Patent application number | Description | Published |
20080200906 | Apparatus and method for administering reduced pressure treatment to a tissue site - The illustrative embodiments described herein are directed to a system and method for administering reduced pressure at a tissue site. The apparatus includes a reduced pressure source. The reduced pressure source generates a reduced pressure. The apparatus includes a tube having a plurality of lumens. The plurality of lumens includes at least one collection lumen. The reduced pressure source applies the reduced pressure to the tissue site through the plurality of lumens such that the at least one collection lumen receives fluid from the tissue site. The at least one collection lumen stores the fluid received from the tissue site. | 08-21-2008 |
20080228526 | System and method for managing history of patient and wound therapy treatment - A tissue treatment system including a processing unit executing software, an electronic display in communication with the processing unit, and a storage unit in communication with the processing unit. The software may be configured to cause the processing unit to manage a patient history database, treatment history database, and image history database. The processing unit may further be configured to enable a clinician to access and display information stored in any of the databases. | 09-18-2008 |
20080234641 | System and method for managing reduced pressure at a tissue site - The illustrative embodiments described herein are directed to an apparatus and method for managing reduced pressure at a tissue site. The apparatus includes a reduced pressure source that generates reduced pressure. The reduced pressure is delivered to the tissue site via a delivery tube. The apparatus includes a single pressure sensor. The single pressure sensor detects an actual reduced pressure at the tissue site. The apparatus also includes a controller. The controller determines a responsiveness of the actual reduced pressure measured by the single pressure sensor to an increase in reduced pressure generated by the reduced pressure source. The apparatus includes an indicator. The indicator emits a signal when the controller determines that the actual reduced pressure measured by the single pressure sensor is nonresponsive to the increase in reduced pressure generated by the reduced pressure source. | 09-25-2008 |
20090221990 | SYSTEM AND METHOD FOR COLLECTING EXUDATES - A reduced pressure treatment system includes a porous pad positioned at a tissue site and a canister having a collection chamber, an inlet, and an outlet. The inlet is fluidly connected to the porous pad. A reduced pressure source is fluidly connected to the outlet of the canister to such that fluid from the tissue site may be drawn into the collection chamber. A hydrophobic filter is positioned adjacent the outlet to prevent liquid from exiting the collection chamber through the outlet. A baffle is positioned within the canister to create a tortuous path between the inlet and the outlet to prevent premature blocking of the hydrophobic filter. | 09-03-2009 |
20090240185 | DRESSING AND METHOD FOR APPLYING REDUCED PRESSURE TO AND COLLECTING AND STORING FLUID FROM A TISSUE SITE - A reduced pressure dressing for applying reduced pressure treatment to a tissue site includes an interface layer adapted to be positioned at the tissue site. An absorbent layer is in fluid communication with the interface layer to absorb liquid from at least one of the interface layer and the tissue site. A pump is in fluid communication with the absorbent layer to deliver a reduced pressure to the tissue site. A cover is positioned over the pump, the absorbent layer, and the interface layer to maintain the reduced pressure at the tissue site, and a liquid-air separator is positioned between the absorbent layer and the pump to inhibit liquid from entering the pump. | 09-24-2009 |
20090254066 | REDUCED PRESSURE INDICATOR FOR A REDUCED PRESSURE SOURCE - A reduced pressure apparatus includes a first casing portion and a second casing portion slidably coupled to the first casing portion such that the first casing portion is compressible into a plurality of positions relative to the second casing portion. The plurality of positions includes a fully compressed position and a fully uncompressed position. An indicator is disposed on at least one of the first casing portion and the second casing portion, the indicator being exposed when the first casing portion is in the fully uncompressed position. | 10-08-2009 |
20090275922 | MANUALLY-ACTUATED REDUCED PRESSURE TREATMENT SYSTEM HAVING REGULATED PRESSURE CAPABILITIES - A reduced pressure treatment apparatus includes a charging chamber storing a first pressure less than an ambient pressure and a regulated chamber storing a second pressure less than the ambient pressure. The first pressure is less than the second pressure. A conduit provides fluid communication between the regulated chamber and the charging chamber. A regulator member is operably associated with the conduit to prevent fluid communication through the conduit when the second pressure is less than or equal to a desired therapy pressure and to allow fluid communication through the conduit when the second pressure exceeds the desired therapy pressure. | 11-05-2009 |
20090306630 | REDUCED-PRESSURE, LIQUID-COLLECTION CANISTER WITH MULTI-ORIENTATION FILTER - A reduced pressure treatment system includes a liquid-collection canister for collecting liquid from a tissue site to which reduced pressure treatment is applied. The canister includes a first space configured to collect the liquid from the tissue site and a filter having a frame and a non-planar filter element. The filter defines a second space within the canister separated from the first space by the filter element. The filter element substantially prevents liquid from passing from the first space into the second space. The filter element substantially allows gaseous communication between the first space and the second space when the second space is exposed to a reduced pressure. | 12-10-2009 |
20100030166 | MANUALLY-ACTUATED, REDUCED-PRESSURE SYSTEMS FOR TREATING WOUNDS - A manually-actuated, constant reduced-pressure apparatus for use with a reduced-pressure system for treating tissue at a tissue site includes a flexible, collapsible member that is operable to move between a compressed position and an extended position. The collapsible member may be disposed between a carrier member and a slider member that move between a compressed position and an extended position. The carrier member and slider member are urged away from each other by a constant-force biasing member, e.g., a constant force coil spring. As the apparatus moves from the compressed position to the extended position, a constant reduced-pressure is generated and delivered to a reduced-pressure port. Systems, methods of manufacturing a manually-actuated, constant reduced-pressure apparatus, and methods of treating a tissue site are also provided. | 02-04-2010 |
20100121286 | REDUCED-PRESSURE, WOUND-TREATMENT DRESSINGS AND SYSTEMS - A wound-closing dressing, which is suitable for use as part of a reduced-pressure, wound-treatment system, may include a sealing drape, one or more contracting elements, and a gripping member. The contracting element may be coupled to the sealing drape and is configured to contract when activated and to generate a closing force. A gripping member is coupled to the sealing drape and is configured to transmit the closing force to a patient's epidermis. Other dressings, systems, and methods are also disclosed. | 05-13-2010 |
20100125258 | FLUID POUCH, SYSTEM, AND METHOD FOR STORING FLUID FROM A TISSUE SITE - The illustrative embodiments described herein are directed to an apparatus, system, and method for storing liquid from a tissue site. The apparatus may include a drape having an aperture, and a fluid pouch coupled to the drape such that the fluid pouch is in fluid communication with the aperture. In one embodiment, the fluid pouch is operable to transfer reduced pressure to the aperture such that the liquid from the tissue site is drawn into the fluid pouch. The fluid pouch may have a cavity that stores the liquid that is drawn from the tissue site. In another embodiment, the fluid pouch may include at least one baffle. The fluid pouch may also include a fluid channel at least partially defined by the at least one baffle. The fluid channel may be operable to store liquid from the tissue site when reduced pressure is applied through the fluid channel. | 05-20-2010 |
20100160874 | REDUCED-PRESSURE WOUND TREATMENT SYSTEMS AND METHODS EMPLOYING MICROSTRAIN-INDUCING MANIFOLDS - Microstrain-inducing manifolds, systems, and methods are presented that involve microstrain-inducing manifolds that include a plurality of shaped projections for creating microstrain. The shaped projections may be tapered projections. A system may include a sealing member for placing over the tissue site, a microstrain-inducing manifold, and a reduced-pressure subsystem that delivers reduced pressure to the sealing member. The reduced pressure causes the shaped projections to create microstrain at the tissue site. Other methods, apparatuses, and systems are also presented. | 06-24-2010 |
20100168654 | APPARATUSES, SYSTEMS, AND METHODS FOR MANAGING LIQUID FLOW ASSOCIATED WITH A TISSUE SITE USING THE PRESENCE OF REDUCED PRESSURE - The illustrative embodiments described herein are directed to apparatuses, systems, and methods for managing liquid flow associated with a tissue site that involves using reduced pressure to control fluid flow. In one instance, an apparatus includes a first valve and a second valve in fluid communication with a reduced-pressure source. The valves are movable between an open position and a closed position and are operable to change flow status (open to closed or vice versa) based on a presence of reduced pressure. At least one of the first valve or the second valve is in the closed position to obstruct a flow of a liquid while the other is in the open position. The apparatus also includes a reservoir fluidly coupled to the first valve and the second valve. Other systems, methods, and apparatuses are presented. | 07-01-2010 |
20100276556 | HANGING APPARATUS FOR FIXING A MEDICAL DEVICE TO A SUBSTANTIALLY HORIZONTAL OR SUBSTANTIALLY VERTICAL SUPPORT STRUCTURE - A hanging apparatus is provided that facilitates the attachment of a medical instrument to a support structure. The mechanism includes a generally longitudinal, telescoping assembly that extends outward from the back of the medical instrument and positions a rotatable arm to serve as one face of a clamp, opposing the back of the medical instrument as the second face of the clamp. The mechanism assembly includes a cylindrical shaft that extends outward against the tension force of a spring from a housing component of the assembly. A cam mechanism within the hanging apparatus allows for locking and tightening of the clamp against the support structure after closure of the clamp under the influence of the tensioning spring. | 11-04-2010 |
20110054420 | REDUCED-PRESSURE WOUND DRESSINGS AND SYSTEMS FOR RE-EPITHELIALIZATION AND GRANULATION - Methods, apparatuses, and systems for promoting re-epithelialization and granulation as an aspect of wound healing are presented. A method and system for promoting granulation and re-epithelialization of a wound at the same time involves using a reduced-pressure treatment dressing and applying a moist, water-sensitive barrier to promote re-epithelialization and to inhibit granulation. Other systems, apparatuses, and methods are presented. | 03-03-2011 |
20110054422 | RE-EPITHELIALIZATION WOUND DRESSINGS AND SYSTEMS - Methods, apparatuses, and systems for promoting re-epithelialization as an aspect of wound healing are presented. A re-epithelialization dressing for use with reduced pressure has a moist tissue-interface layer, a manifold member, and a sealing member. The moist tissue-interface layer has a plurality of apertures. The moist tissue-interface layer is for disposing adjacent to the wound and provides a moisture balance (i.e., provides moisture when the wound is dry and receives moisture when the wound site is substantially wet). The reduced pressure, apertures, and moist tissue-interface layer help with liquid management and otherwise promote re-epithelialization. Other systems, apparatuses, and methods are presented. | 03-03-2011 |
20110092927 | DRESSING REDUCED-PRESSURE INDICATORS, SYSTEMS, AND METHODS - Dressings, systems, and methods are disclosed in some embodiments that involve treating a tissue site with reduced pressure wherein the dressing includes a dressing reduced-pressure indicator that allows one to ascertain that the reduced pressure applied at the dressing is greater than a threshold reduced pressure. The dressing reduced-pressure indicator may include a moving member that is adapted to move under reduced pressure and a visual indicator associated with the moving member. Another embodiment uses an electro-mechanical indicator to provide a powered visual alert or audible alert or another output signal. Other dressings, systems, and methods are disclosed. | 04-21-2011 |
20110106031 | COMPONENT MODULE FOR A REDUCED PRESSURE TREATMENT SYSTEM - A reduced pressure treatment system includes a control unit having a control system and a reduced pressure source. The reduced pressure treatment system further includes a manifold unit in fluid communication with the reduced pressure source and a component module to augment treatment. The component module is configured to communicate with the control system of the control unit, and the component module includes a first mounting region configured to be coupled to a complimentary mounting region of the control unit. The component module further includes a second mounting region identical to the complimentary mounting region of the control unit to allow a second component module to be coupled to the first component module. | 05-05-2011 |
20110125066 | BREATHABLE INTERFACE SYSTEM FOR TOPICAL REDUCED PRESSURE - A reduced pressure tissue treatment system includes an applicator having an aperture, a first pad section, and a second pad section substantially covering the aperture and positioned substantially adjacent the first pad section. A fabric layer is located at least partially between the second pad section and the drape, and the fabric layer includes a woven or non-woven fabric made from a fiber material. A drape substantially covers the first pad section, the second pad section, the fabric layer, and the applicator. A reduced pressure source is in fluid communication with at least one of the first pad section and the fabric layer for providing reduced pressure to the aperture. | 05-26-2011 |
20110130642 | SYSTEM AND METHOD FOR TRACKING HEALING PROGRESS OF TISSUE - A system and method for analyzing tissue healing may include capturing an image including a tissue site. A clinician may be enabled to define multiple regions of the image of the tissue site, where at least two of the regions of the image define tissue types at different stages of tissue healing. An area may be calculated of each of the at least two regions of the image defining tissue type at different stages of tissue healing. The calculated areas may be displayed to a clinician. In one embodiment, an image color adjustment may be determined by adjusting the image of the reference color marker to the predetermined color. The image of the tissue site may be normalized by applying the image color adjustment to generate a normalized image. | 06-02-2011 |
20110178451 | Foam Wound Inserts With Regions of Higher and Lower Densities, Wound Dressings, and Methods - Foam wound inserts with high-density and low-density regions, methods for making wound inserts, wound-treatment methods, and wound-treatment systems. | 07-21-2011 |
20110178481 | Wound-Connection Pads For Fluid Instillation and Negative Pressure Wound Therapy, and Systems and Methods - Connection pads for coupling fluid-instillation and negative pressure wound therapy (NPWT) apparatuses to wound dressing, and methods and wound dressings for breaching a drape after coupling a wound dressing to a fluid-instillation and/or NPWT apparatus. | 07-21-2011 |
20110190703 | SYSTEMS AND METHODS FOR POSITIONING FLUID SUPPLY SYSTEM - Fluid supply systems and methods for therapeutic fluid delivery systems, including those used for negative pressure wound therapy (NPWT) systems and methods. | 08-04-2011 |
20110190717 | Multi-Conduit Connectors and Methods for Negative Pressure Wound Therapy - Multi-conduit connector apparatuses for use in negative pressure wound therapy (NPWT) apparatuses to wound dressing, and methods for installing multi-conduit connector apparatuses in NPWT apparatuses. | 08-04-2011 |
20110224633 | REDUCED-PRESSURE DRESSING CONNECTION PADS, SYSTEMS, AND METHODS - Systems, methods, and connectors are provided that introduce a working gas at certain times into a reduced-pressure dressing into order to break or avoid vacuum locks in the conduits removing fluids. In one instance, a reduced-pressure connector includes a connector body for applying a reduced pressure to the tissue site. The connector body is formed with a venting port, a body conduit, and a receptacle to receive a reduced-pressure delivery conduit. The reduced-pressure connector includes a flexible member coupled to the connector body over the venting port. The flexible member is formed with at least one venting aperture. The flexible member is biased away from the venting port and is configured to collapse and seal the venting port under a reduced pressure greater than a threshold pressure. Other systems, apparatuses, and methods are disclosed. | 09-15-2011 |
20110224634 | ADJUSTABLE REDUCED-PRESSURE WOUND COVERINGS - Adjustable covers, systems, and methods are presented that include an adjustable cover that may be adjusted to an appropriate size by hand without requiring cutting tools and without substantial leaks. In one instance, the adjustable covering includes a drape member with a plurality of non-leaking tear paths. Each non-leaking tear path includes a weakened path of the drape member that may be torn. The adjustable covering may further include a first plurality of tear starters formed on a first initiation edge of the drape member. Each tear starter of the first plurality of tear starters is aligned with one of the plurality of tear paths. Each of the first plurality of tear starters is adapted to facilitate the initiation of a tear along a tear path. The grains of the drape member, a backing layer, and support layer may also be in the same direction. Other adjustable covers, systems, and methods are presented. | 09-15-2011 |
20110230849 | DELIVERY-AND-FLUID-STORAGE BRIDGES FOR USE WITH REDUCED-PRESSURE SYSTEMS - Systems, methods, and apparatuses are presented that facilitate the provision of reduced pressure to a tissue site by using a delivery-and-fluid-storage bridge, which separates liquids and gases and provides a flow path for reduced pressure. In one instance, a delivery-and-fluid-storage bridge includes a delivery manifold for delivering reduced pressure to a treatment manifold at the tissue site and an absorbent layer proximate the delivery manifold adapted to receive and absorb liquids. The delivery manifold and the absorbent layer are encapsulated in an encapsulating pouch. A first aperture is formed proximate a first longitudinal end of the delivery-and-fluid-storage bridge for fluidly communicating reduced pressure to the delivery manifold from a reduced-pressure source, and a second aperture is formed on a patient-facing side of the delivery-and-fluid-storage bridge. Reduced pressure is transferred to the tissue site via the second aperture. Other systems, apparatuses, and methods are disclosed. | 09-22-2011 |
20110245682 | SYSTEM AND METHOD FOR LOCATING FLUID LEAKS AT A DRAPE USING SENSING TECHNIQUES - A system and method for determining location of a fluid leak at a drape of a reduced pressure delivery system being used on a tissue site of a patient may include applying a reduced pressure to the tissue site of the patient. The drape may be imaged to generate image data, and a determination of a location of a fluid leak of the drape may be made from the image data. As a result of the determination of the location of the fluid leak, the drape may be corrected. The imaging may be made in a non-visible spectrum. The non-visible spectrum may be in an IR spectrum or UV spectrum. In one embodiment, a fluid, such as compressed air, may be applied to the dressing via the interface between the drape and tissue of the patient to improve imaging in the non-visible spectrum. | 10-06-2011 |
20110257572 | DRESSINGS AND METHODS FOR TREATING A TISSUE SITE ON A PATIENT - Dressings, systems, and methods for treating a tissue site on a patient involve allowing liquids from the tissue site or a priming fluid to evaporate and exit the dressing through a liquid-impermeable, vapor-permeable membrane. The dressing is able to process more liquids than would otherwise be possible without evaporation and potentially to create reduced pressure. Other dressings, systems, and methods are disclosed. | 10-20-2011 |
20110257611 | SYSTEMS, APPARATUSES, AND METHODS FOR SIZING A SUBCUTANEOUS, REDUCED-PRESSURE TREATMENT DEVICE - Systems, apparatuses, and methods for sizing a subcutaneous reduced-pressure treatment device are presented. The subcutaneous reduced-pressure treatment device typically includes a drape envelope with a manifold in the envelope that is adapted for use in a body cavity. In a sizing step, a sizing tool is used to seal and cut simultaneously the reduced-pressure treatment device so as to keep the manifold away from tissue. Other systems, apparatuses, and methods are presented. | 10-20-2011 |
20110257612 | REDUCED-PRESSURE SOURCES, SYSTEMS, AND METHODS EMPLOYING A POLYMERIC, POROUS, HYDROPHOBIC MATERIAL - Reduced-pressure sources, systems, and methods involve using a vacuum pump that is disposed within a sealed space to produce reduced pressure. The exhaust from the vacuum pump is exhausted from the sealed space through pores in an enclosure member that is made of a polymeric, porous, hydrophobic material. Other devices, systems, and methods are disclosed. | 10-20-2011 |
20110257613 | EVAPORATIVE BODY-FLUID CONTAINERS AND METHODS - Body-fluid containers, methods, and systems are presented that include a container that has a container housing formed, at least in part, by a liquid-impermeable, vapor-permeable material. The liquid-impermeable, vapor-permeable material allows water to evaporate and be transmitted outside of the container. The evaporation allows more fluid to be processed by the container than the container could otherwise hold. Other systems, methods, and apparatuses are presented. | 10-20-2011 |
20110264062 | SYSTEM AND METHOD FOR UTILIZING EXUDATE WITH A REDUCED PRESSURE TREATMENT SYSTEM TO GENERATE ELECTRICITY - A method for providing reduced pressure treatment to a tissue site is further provided according to an illustrative embodiment. The method includes applying a reduced pressure to the tissue site. The method collects exudate drawn from the tissue site in a liquid collection chamber and utilizes the collected exudate in the liquid collection chamber to generate electricity. | 10-27-2011 |
20110288510 | REDUCED-PRESSURE TREATMENT SYSTEMS AND METHODS EMPLOYING A FLUIDLY ISOLATED PUMP CONTROL UNIT - Systems, devices, and methods for treating a tissue site on a patient with reduced pressure are presented. In one instance, a reduced-pressure treatment device to treat a tissue site with reduced pressure may include a pump control unit fluidly separate from a collection unit. Pump energy may be provided by the pump control unit to deflect one or more diaphragms within the collection unit to create reduced pressure. Other systems, devices, and methods are presented. | 11-24-2011 |
20110288511 | REDUCED-PRESSURE CANISTERS AND METHODS FOR RECYCLING - Reduced-pressure canisters and methods for recycling are disclosed. In one instance, a method for performing multiple reduced pressure treatments on one or more patients includes providing a reduced-pressure treatment system that includes a first canister body, a fluid reservoir, and one or more modules, such as a pump control module. The method involves using the reduced-pressure system and then removing one or more modules and placing the one or more modules in fitted shipping receptacle that disallows shipping of the fluid reservoir. The one or more modules may be reconditioned and coupled to a second canister body. Other systems and methods are disclosed. | 11-24-2011 |
20110288512 | REDUCED-PRESSURE MEDICAL SYSTEMS AND METHODS EMPLOYING A MOISTURE PROCESSING DEVICE - Systems, methods, and devices related to removing fluids from a patient are provided. In one instance, fluid is removed from the patient and delivered to a canister using reduced pressure. Reduced pressure is supplied to the canister via a reduced-pressure delivery conduit that includes a moisture processing device and a hydrophobic filter. The moisture processing device condenses moisture from the air to prevent condensation from occluding the hydrophobic filter. The moisture processing devices includes an expanded volume and one or more liquid-impermeable, vapor-permeable membranes. The liquid-impermeable, vapor-permeable membrane allows vapor to egress the moisture processing device. Other systems, methods, and devices are presented. | 11-24-2011 |
20110288535 | SYSTEMS AND METHODS FOR MEASURING REDUCED PRESSURE EMPLOYING AN ISOLATED FLUID PATH - Systems, devices, and methods are presented that provide for the assessment of reduced pressure at a tissue site. The systems, devices, and methods involve an assessment chamber that is fluidly isolated from a pressure detector. Other systems, methods, and devices are presented. | 11-24-2011 |
20110301557 | INLINE SWIVEL CONNECTION FOR MULTI-LUMEN TUBING - An apparatus for connecting multi-lumen conduits may include a conduit adapter and a conduit collar. The conduit adapter may include a housing, a bayonet connector, and a support member connecting the housing and the bayonet connector. The support member has an aperture that permits fluid communication through the support member. One end of the conduit collar is sized for insertion into the housing, and a second end is adapted to receive a first multi-lumen conduit. The housing also is adapted to receive a second multi-lumen conduit. The bayonet connector engages a primary lumen of the first multi-lumen conduit and the second multi-lumen conduit such that the primary lumen of the second multi-lumen conduit fluidly communicates with the primary lumen of the first multi-lumen conduit. The conduit adapter and the conduit collar are capable of 360 degree rotation relative to each other about a common axis. | 12-08-2011 |
20120016323 | INFLATABLE OFF-LOADING WOUND DRESSING ASSEMBLIES, SYSTEMS, AND METHODS - To offload forces from a tissue site being treated with reduced pressure, an offloading pressure component may be used as part of a reduced-pressure treatment system. A reduced-pressure source of the reduced-pressure treatment system vents positive pressure exhaust into the offloading pressure component to inflate the offloading pressure component. The offloading pressure component disperses forces away from the tissue site. Other devices, methods, and systems are presented. | 01-19-2012 |
20120016324 | SYSTEM AND METHOD FOR INTERFACING WITH A REDUCED PRESSURE DRESSING - Systems, devices, and methods for treating a tissue site on a patient with reduced pressure are presented. In one instance, a reduced-pressure interface includes a conduit housing having a cavity divided by a dividing wall into a reduced-pressure-application region and a pressure-detection region. The reduced-pressure interface further includes a reduced-pressure port disposed within the reduced-pressure-application region, a pressure-detection port disposed within the pressure-detection region, and a base connected to the conduit housing, the base having a manifold-contacting surface. The dividing wall includes a surface substantially coplanar with the manifold-contacting surface. | 01-19-2012 |
20120034109 | SYSTEM AND METHOD FOR MEASURING PRESSURE APPLIED BY A PIEZO-ELECTRIC PUMP - A system and method for measuring the pressure provided by a disc pump is disclosed. The disc pump comprises an actuator mounted within the disc pump on a flexible skirt that allows the actuator to oscillate for generating air flow through the cavity of the pump and allows the actuator to be displaced with increasing pressure to a load. The actuator moves from a rest position when air begins flowing through the cavity to a biased position when the load is fully pressurized or depressurized depending on the direction of fluid flow through the cavity. The pump further comprises a sensor which measures the displacement of the actuator at any position between the rest position and the biased position as fluid begins flowing through the cavity to pressurize or depressurize the load. The pressure being delivered by the disc pump is determined as a function of the displacement of the actuator. | 02-09-2012 |
20120035561 | SYSTEM AND METHOD FOR LOCATING FLUID LEAKS AT A DRAPE OF A REDUCED PRESSURE DELIVERY SYSTEM - A system and method for performing tissue therapy may include applying a reduced pressure to a tissue site of a patient. A fluid parameter associated with applying a reduced pressure to the tissue site may be sensed. An audible fluid leak location sound may be generated in response to sensing the fluid parameter. The audible fluid leak location sound may be altered in response to sensing that the fluid parameter changes. By altering the audible fluid leak location sound in response to sensing a change of the fluid parameter, a clinician may detect location of a fluid leak at the drape by applying force to the drape. The force applied to the drape may be a clinician pressing a finger onto an edge of the drape. | 02-09-2012 |
20120035562 | SYSTEM AND METHOD FOR TREATING TISSUE OF A PATIENT USING A THERMOELECTRIC GENERATOR - A system and method for treating a tissue site of a patient may include applying a reduced pressure to a tissue site of a patient. Electricity may be generated in response to sensing a temperature level being generated by the patient. The generated electricity may be collected for use in applying a reduced pressure to the tissue site of the patient. In one embodiment, the generated electricity may be collected in a rechargeable battery. | 02-09-2012 |
20120046624 | REDUCED-PRESSURE, MULTI-ORIENTATION, LIQUID-COLLECTION CANISTER - An apparatus for use in a multi-orientation liquid collection canister to collect liquid from a tissue site is provided. The apparatus includes a substantially planar, liquid-air separator disposed on at least one wall of the multi-orientation liquid collection canister to prevent the liquid from exiting the multi-orientation liquid collection canister. The apparatus further includes an elongated member connected to the liquid-air separator and extending away from the liquid-air separator into a first space of the multi-orientation liquid collection canister. The elongated member has a membrane defining a second space along at least a portion of a length of the elongated member. At least a portion of the membrane allows gaseous communication between the first space and the second space. | 02-23-2012 |
20120046626 | APPARATUS AND METHOD FOR ADMINISTERING REDUCED PRESSURE TREATMENT TO A TISSUE SITE - The illustrative embodiments described herein are directed to a system and method for administering reduced pressure at a tissue site. The apparatus includes a reduced pressure source. The reduced pressure source generates a reduced pressure. The apparatus includes a tube having a plurality of lumens. The plurality of lumens includes at least one collection lumen. The reduced pressure source applies the reduced pressure to the tissue site through the plurality of lumens such that the at least one collection lumen receives fluid from the tissue site. The at least one collection lumen stores the fluid received from the tissue site. | 02-23-2012 |
20120101512 | DEBRIDEMENT HAND TOOL - The disclosed embodiments include tools for aiding a user in debriding necrotic tissue. For example, in one embodiment, a debridement tool is disclosed that includes a housing having an interior space. A motor and a power source are disposed within the interior space of the housing. The power source is operable to provide power to the motor. A blade is coupled to a first end of the housing. The blade is operable to vibrate when the motor is powered. The debridement tool further includes a lighting element disposed within the housing and beneath a cutting edge of the blade. The lighting element is operable to illuminate the tissue site. In some embodiments, the lighting element operates at a particular wavelength that assists in distinguishing between necrotic tissue and healthy tissue. | 04-26-2012 |
20120109034 | INTERACTIVE, WIRELESS REDUCED-PRESSURE DRESSINGS, METHODS, AND SYSTEMS - Systems, methods, and dressings are presented that involve using a RFID device in a dressing to provide pressure data or other data to a remote base unit. The dressing is an interactive dressing. The reduced pressure in the dressing may be monitored and used to control delivery of reduced pressure. In one instance, the pressure data at each dressing allows a plurality of tissue sites to be monitored and used with as single remote base unit. In another instance, devices and methods for assuring a proper pairing of reduced-pressure dressings and remote base units are also presented. Other systems, methods, and dressings are presented. | 05-03-2012 |
20120109083 | REDUCED-PRESSURE SYSTEMS, DRESSINGS, AND METHODS EMPLOYING A WIRELESS PUMP - Systems, methods, and dressings for providing reduced pressure to a tissue site on a patient are presented that involve wirelessly providing power to a reduced-pressure pump. In one instance, a RFID antenna is used to power a reduced-pressure pump that is fluidly coupled by a conduit to a reduced-pressure dressing. In another instance, a reduced-pressure dressing incorporates a micro-pump and a RFID antenna that is used to power the micro-pump. Other systems, methods, and devices are presented. | 05-03-2012 |
20120116331 | COMPONENT MODULE FOR A REDUCED PRESSURE TREATMENT SYSTEM - A reduced pressure treatment system includes a control unit having a control system and a reduced pressure source. The reduced pressure treatment system further includes a manifold unit in fluid communication with the reduced pressure source and a component module to augment treatment. The component module is configured to communicate with the control system of the control unit, and the component module includes a first mounting region configured to be coupled to a complimentary mounting region of the control unit. The component module further includes a second mounting region identical to the complimentary mounting region of the control unit to allow a second component module to be coupled to the first component module. | 05-10-2012 |
20120116332 | SYSTEM AND METHOD FOR COLLECTING EXUDATES - A reduced pressure treatment system includes a porous pad positioned at a tissue site and a canister having a collection chamber, an inlet, and an outlet. The inlet is fluidly connected to the porous pad. A reduced pressure source is fluidly connected to the outlet of the canister to such that fluid from the tissue site may be drawn into the collection chamber. A hydrophobic filter is positioned adjacent the outlet to prevent liquid from exiting the collection chamber through the outlet. A baffle is positioned within the canister to create a tortuous path between the inlet and the outlet to prevent premature blocking of the hydrophobic filter. | 05-10-2012 |
20120123358 | SYSTEMS AND METHODS FOR MANAGING REDUCED PRESSURE AT A PLURALITY OF WOUND SITES - Systems and methods are presented for providing reduced pressure to and monitoring pressure at a plurality of tissue sites using a plurality of pressure management devices. The pressure management devices are associated with a plurality of sensing conduits that fluidly couple the pressure management devices and the plurality of tissue sites. Other systems, methods, and devices are disclosed. | 05-17-2012 |
20120123360 | REDUCED-PRESSURE SYSTEMS AND METHODS EMPLOYING AN ULTRAVIOLET LIGHT SOURCE FOR REDUCING BIOBURDEN - Systems and methods are provided for moving fluids from a patient to a canister and lowering or eliminating the bio-burden of the canister. In one instance, a method for removing fluids from a patient includes using reduced pressure to remove fluids from a patient, delivering the fluids into a reduced-pressure conduit and into a fluid reservoir, exposing the fluids removed from the patient to a UV light source to kill pathogens to create disposable fluids, and disposing of the disposable fluids. Other systems, devices, and methods are presented. | 05-17-2012 |
20120143113 | WOUND HEALING APPARATUS FOR PROMOTING GRANULATION AND EPITHELIALISATION AT A TISSUE SITE - An apparatus for promoting granulation and epithelialisation at a tissue site having a substantially gas impermeable, flexible mat. A plurality of projections extend from a surface of the substantially gas impermeable, flexible mat, and each projection has a first end connected to the surface and a second end opposing the first end. A flexible membrane is positioned adjacent the second end of at least a portion of the plurality of projections and the flexible membrane is sufficiently flexible to allow deformation of the flexible membrane by the at least the portion of the plurality of projections when a biasing force exerted on the substantially gas impermeable, flexible mat or the plurality of projections is greater than or equal to a threshold force. | 06-07-2012 |
20120143114 | DRAPE HAVING MICROSTRAIN INDUCING PROJECTIONS FOR TREATING A WOUND SITE - Systems and apparatuses for administering reduced pressure treatment to a tissue site include a reduced pressure source, a drape having a plurality of projections for contacting the tissue site, and an adhesive connected to at least a portion of the drape for sealing the drape to a portion of a patient's intact epidermis. | 06-07-2012 |
20120157750 | Targeted Delivery of Magnetically Tagged Active Agents in Combination with Negative Pressure Wound Therapy - Methods and systems for treating a wound using targeted delivery of magnetically-tagged active agents in combination with negative pressure wound therapy are presented. In particular, a magnetically-active wound insert may be used to attract magnetically-tagged stem cells to a wound site to treat the wound. | 06-21-2012 |
20120157826 | Method for the Remote Detection of Wound Interface Materials Inside the Body - Methods and apparatuses of detecting wound interface materials in a wound are provided. In particular, a metal detector may be used to detect parts of a metallic negative pressure manifold used in combination with negative pressure wound therapy. | 06-21-2012 |
20120157941 | Occluder to Prevent Fluid Flow Through Pump with Vacuum at Output - An occluder to prevent fluid flow through a pump with a vacuum at the output is provided. Embodiments may be used in combination with negative pressure wound therapy systems, in which the occluder is coupled to a fluid source, a wound insert, and a negative pressure source, and the occluder is configured to permit fluid delivery to the wound insert under positive pressure. | 06-21-2012 |
20120157945 | Foam Dressing with Integral Porous Film - Wound dressings and wound inserts comprising a porous film layer and at least a channel, wound inserts of forming wound inserts comprising a porous film layer and at least a channel, and wound-treatment wound inserts. | 06-21-2012 |
20120179123 | Breathable Interface System for Topical Reduced Pressure - A reduced pressure tissue treatment system includes an applicator having an aperture, a first pad section, and a second pad section substantially covering the aperture and positioned substantially adjacent the first pad section. A fabric layer is located at least partially between the second pad section and the drape, and the fabric layer includes a woven or non-woven fabric made from a fiber material. A drape substantially covers the first pad section, the second pad section, the fabric layer, and the applicator. A reduced pressure source is in fluid communication with at least one of the first pad section and the fabric layer for providing reduced pressure to the aperture. | 07-12-2012 |
20120271256 | SYSTEM AND METHOD FOR MANAGING REDUCED PRESSURE DELIVERED TO A TISSUE SITE - An apparatus and method for managing reduced pressure at a tissue site are disclosed. The apparatus comprises a pump for supplying reduced pressure to the tissue site, a motor coupled to the pump to propel the pump, and a drive system electrically coupled to the motor that includes a power source that provides a source of direct current power to the motor during an operational period at a substantially constant current and of sufficient magnitude to supply a targeted reduced pressure during the operational period. The drive system also includes a controller that monitors the pump's loading on the motor by measuring the voltage across the motor to determine whether the motor voltage remains within a predetermined operational range of voltages necessary for maintaining the reduced pressure supplied by the pump proximate to the targeted reduced pressure without directly measuring the reduced pressure using a pressure sensor. | 10-25-2012 |
20120271257 | SYSTEM FOR PURGING NEGATIVE PRESSURE WOUND THERAPY SYSTEM - Systems and methods for purging a negative pressure wound therapy system. | 10-25-2012 |
20120271320 | SKIN GRAFT DEVICES AND METHODS - Devices and methods for obtaining a plurality of skin tissue particles for use in skin grafting. | 10-25-2012 |
20120302979 | WOUND HEALING SYSTEM USING POSITIVE PRESSURE TO PROMOTE GRANULATION AT A TISSUE SITE - A wound healing system for promoting healing of a wound of a patient includes a positive pressure source, a reduced pressure source, and a porous foam positioned in contact with the wound. The porous foam includes a plurality of flow channels in fluid communication with the reduced pressure source. The system further includes a filler member having a flexible wall defining an interior chamber. The interior chamber is in fluid communication with the positive pressure source, and a cover member is positioned over the filler member. | 11-29-2012 |
20120330252 | MEDICAL DRAPES, DEVICES, AND SYSTEMS EMPLOYING A HOLOGRAPHICALLY-FORMED POLYMER DISPERSED LIQUID CRYSTAL (H-PDLC) DEVICE - A reduced-pressure medical treatment system for treating a tissue site on a patient includes a medical drape that has an holographically-formed polymer dispersed liquid crystal (H-PDLC) device that changes visual appearance when experiencing strain. The change in visual appearance of the H-PDLC device allows identification of the existence of strain and may allow a quantitative assessment of the range of stress involved. In other aspects, a dressing conduit connector, canister, and reduced-pressure interface use a holographically-formed polymer dispersed liquid crystal (H-PDLC) device to help determine the existence and perhaps the amount of stress experienced. Other systems, methods, and devices are presented. | 12-27-2012 |
20130012894 | REDUCED PRESSURE INDICATOR FOR A REDUCED PRESSURE SOURCE - A reduced pressure apparatus includes a first casing portion and a second casing portion slidably coupled to the first casing portion such that the first casing portion is compressible into a plurality of positions relative to the second casing portion. The plurality of positions includes a fully compressed position and a fully uncompressed position. An indicator is disposed on at least one of the first casing portion and the second casing portion, the indicator being exposed when the first casing portion is in the fully uncompressed position. | 01-10-2013 |
20130030394 | SYSTEMS AND METHODS FOR TREATING A TISSUE SITE WITH REDUCED PRESSURE INVOLVING A REDUCED-PRESSURE INTERFACE HAVING A CUTTING ELEMENT - Systems and methods for a reduced-pressure interface for providing reduced pressure through a sealing member to a distribution manifold includes a housing having a flange portion and a cavity wall portion such that the cavity wall portion forms a cavity having a tissue-facing cavity opening. A conduit port is coupled to the cavity wall and has a conduit aperture, such that the conduit port is adapted to receive a reduced-pressure delivery conduit. An attachment device is coupled to a tissue-facing side of the flange portion of the housing such that the attachment device couples the housing to the sealing member. Additionally, a cutting element is at least temporarily coupled to the housing proximate to the tissue-facing cavity opening such that the cutting element is adapted to form an aperture in the sealing member when the cutting element is driven into the sealing member with a driving force. | 01-31-2013 |
20130035649 | REDUCED-PRESSURE WOUND DRESSINGS - Systems, methods, and dressings for treating a linear wound, such as an incision, on a patient are presented. The systems, dressings, and methods involve a sealed wound dressing assembly that helps form a fluid seal around the linear wound while simultaneously encompassing a subcutaneous delivery conduit to deliver fluid to or from a subcutaneous tissue site. In one instance, a reduced-pressure interface is used to allow the subcutaneous delivery conduit to pass through tissue at or near the linear wound and through a wound dressing assembly to a drainage receptacle. | 02-07-2013 |
20130053793 | REDUCED-PRESSURE TREATMENT AND DEBRIDEMENT SYSTEMS AND METHODS - A reduced-pressure treatment system for debriding a treatment area of a tissue site and applying reduced pressure is disclosed. The reduced-pressure treatment system includes a hydrogel having a blocked acid debriding agent. The hydrogel is adapted to cover the treatment area and enhance autolytic debridement at the treatment area. The reduced-pressure treatment system includes a manifold that is adapted to cover the hydrogel and distribute reduced pressure to the tissue site. The reduced-pressure treatment system also includes a sealing drape for forming a fluid seal over the tissue site and manifold. Other systems, methods, and dressings are presented. | 02-28-2013 |
20130053795 | REDUCED-PRESSURE DRESSINGS, SYSTEMS, AND METHODS WITH EVAPORATIVE DEVICES - Wounds dressings, systems, and methods are presented for removing liquid from a wound site into a dressing and moving air through the dressing to evaporate at least a portion of the removed liquid. The air is moved in one instance by a Coanda device incorporated into the dressing. Other systems, dressings, and methods are presented. | 02-28-2013 |
20130053796 | REDUCED-PRESSURE INTERFACES, SYSTEMS, AND METHODS EMPLOYING A COANDA DEVICE - Systems, devices, and methods for treating a wound on a patient involve a reduced-pressure interface having an interface body that facilitates the delivery of reduced pressure to the wound and also a Coanda device that develops an airflow over a wound dressing. The airflow developed by the Coanda device enhances evaporation of liquids from the dressing. Other systems, methods, and devices are presented herein. | 02-28-2013 |
20130053797 | INLINE STORAGE POUCHES FOR USE WITH BODY FLUIDS - Inline storage pouches and systems for receiving and retaining body fluids from an animal are presented. The inline storage pouch include a flexible pouch body has an interior portion with a fluid storage material disposed within the interior portion. In addition to receiving body fluids, the inline storage pouch may fluidly couple a pressure sensing conduit between a first port and a second port using a first bypass conduit. The first port may be a patient-port interface. The second port may be a device-port interface. Multiple sensors and bypass conduits may be included and associated with a microprocessor that is configured to locate blockages or determine when the inline storage pouch is full. Another inline storage pouch has two chambers and receives and discharges fluids from a pouch connector. Other pouches, systems, and methods are presented herein. | 02-28-2013 |
20130053798 | EVAPORATIVE FLUID POUCH AND SYSTEMS FOR USE WITH BODY FLUIDS - An inline storage-and-liquid-processing pouch for use with body fluids from a patient is presented that involves introducing body fluids into a first chamber in the storage-and-liquid-processing pouch and flowing air through a second chamber. The chambers are separated by a high-moisture-vapor-transfer-rate member. The air flow in the second chamber enhances liquid removal from the first chamber across the high-moisture-vapor-transfer-rate member. Other systems, devices, and methods are disclosed herein. | 02-28-2013 |
20130053799 | ABSORBENT POLYMER DRESSINGS, SYSTEMS, AND METHODS EMPLOYING EVAPORATIVE DEVICES - Wound treatment systems and methods are presented that involve treating a wound, such as a burn wound, with an absorbent polymer that helps maintain a desired moisture level and that also involve an evaporative subsystem that removes excess liquid from the absorbent polymer. Other systems, methods, and dressings are presented herein. | 02-28-2013 |
20130066285 | REDUCED-PRESSURE SYSTEMS AND METHODS EMPLOYING A LEAK-DETECTION MEMBER - Systems, methods, and apparatus are provided for detecting leaks in systems for treating a patient with reduced pressure. In one instance, a system includes a distribution manifold for disposing proximate to the tissue site and a sealing member for disposing over the distribution manifold and at least a portion of intact epidermis of the patient. The sealing member has at least a portion that is substantially transparent. The system further includes a reduced-pressure source associated with the distribution manifold for providing reduced pressure to the distribution manifold and a leak-detection member sized and configured to substantially surround the distribution manifold. The leak-detection member includes a detection material that develops a color contrast when a portion is exposed to air and a portion is not exposed to air. The leak detection member works with even low flow systems. Other systems, methods, and apparatus are presented. | 03-14-2013 |
20130066301 | REDUCED-PRESSURE CANISTERS HAVING HYDROPHOBIC PORES - A reduced-pressure canister includes a canister body having a fluid reservoir, an inlet for receiving fluids from a patient, and an integral hydrophobic filter formed within a side or top portion of the canister body. The integral hydrophobic filter has a plurality of pores in the canister body that are covered by a hydrophobic coating. Other canisters, methods, and systems are also presented. | 03-14-2013 |
20130071273 | DISC PUMP AND VALVE STRUCTURE - A dual-cavity pump having a pump body with a substantially elliptical shape including a cylindrical wall closed at each end by end plates is disclosed. The pump further comprises a pair of disc-shaped interior plates supported within the pump by a ring-shaped isolator affixed to the cylindrical wall of the pump body. The internal surfaces of the cylindrical wall, one of the end plates, one of the interior plates, and the ring-shaped isolator form a first cavity within the pump. The internal surfaces of the cylindrical wall, the other end plate, the other interior plate, and the ring-shaped isolator form a second cavity within the pump. The interior plates together form an actuator that is operatively associated with the central portion of the interior plates. The illustrative embodiments of the dual-cavity pump have three valves including one located within a common end wall between the cavities of the pump. Methods for fabricating the pump are also disclosed. | 03-21-2013 |
20130072850 | TISSUE TREATMENT SYSTEMS AND METHODS HAVING A NON-TACTILE-STIMULUS-ACTIVATED, MACROSCOPICALLY-DEFORMING MATERIAL - A system for treating a tissue site of a patient includes a dressing filler adapted to be positioned at the tissue site. The dressing filler includes a base and a plurality of nodes extending from the base. The base further includes a plurality of openings disposed in the base. At least one of the plurality of nodes is comprised of a non-tactile-stimulus-activated, macroscopically-deforming (NTSAMD) material. | 03-21-2013 |
20130090615 | DRESSING AND METHOD FOR APPLYING REDUCED PRESSURE TO AND COLLECTING AND STORING FLUID FROM A TISSUE SITE - A reduced pressure treatment system includes a reduced pressure source and a reduced pressure dressing. The dressing includes an interface layer adapted to be positioned at a tissue site and an absorbent layer in fluid communication with the interface layer to absorb liquid from at least one of the interface layer and the tissue site. A diverter layer is positioned adjacent the absorbent layer, and the diverter layer includes a plurality of apertures in fluid communication with the absorbent layer to distribute a reduced pressure to the absorbent layer. A cover is positioned over the diverter layer to maintain the reduced pressure at the tissue site. | 04-11-2013 |
20130102979 | DRESSING AND METHOD FOR APPLYING REDUCED PRESSURE TO AND COLLECTING AND STORING FLUID FROM A TISSUE SITE - A reduced pressure dressing for applying reduced pressure treatment to a tissue site includes an interface layer adapted to be positioned at the tissue site. An absorbent layer is in fluid communication with the interface layer to absorb liquid from at least one of the interface layer and the tissue site. A pump is in fluid communication with the absorbent layer to deliver a reduced pressure to the tissue site. A cover is positioned over the pump, the absorbent layer, and the interface layer to maintain the reduced pressure at the tissue site, and a liquid-air separator is positioned between the absorbent layer and the pump to inhibit liquid from entering the pump. | 04-25-2013 |
20130116638 | REDUCED-PRESSURE TREATMENT SYSTEMS WITH RESERVOIR CONTROL - A reduced-pressure system for delivering reduced pressure for medical purposes to a desired site and to receive fluids in one instance includes a reservoir having an interior space operable to contain the fluids. A reduced-pressure delivery conduit is placed in fluid communication with the interior space for delivering the reduced pressure to the desired site. A source conduit and a pressure sensor conduit are placed in fluid communication with the interior space. A pressure sensor is placed in fluid communication with the pressure sensor conduit. A reduced-pressure source is placed in fluid communication with the source conduit. A reduced-pressure control unit is associated with the pressure sensor and the reduced-pressure source and is operable to receive pressure data from the pressure sensor and supply data from the reduced-pressure source and to determine when a reservoir-full/blockage condition exists. Other systems and methods are presented. | 05-09-2013 |
20130123722 | DRESSINGS, SYSTEMS, AND METHODS FOR TREATING A WOUND ON A PATIENT'S LIMB EMPLOYING LIQUID CONTROL - Wound dressings, systems, and methods are presented for treating a wound on a patient's limb, such as a venous leg ulcer. The dressings, systems, and methods involve creating airflow within the dressing to vaporize and remove liquid. The airflow may begin when the dressing becomes saturated. The dressings may be used to provide compression and reduced pressure to the wound. Other systems, methods, and dressings are presented herein. | 05-16-2013 |
20130123723 | REDUCED-PRESSURE, TUNNEL-WOUND DRESSINGS, SYSTEMS, AND METHODS - Systems, methods, and dressing are presented for treating a tunnel wound on a patient. In one instance, a reduced-pressure, tunnel-wound dressing includes a longitudinal core member formed from a closed-cell foam that is surrounded by a first longitudinal concentric member formed from a manifolding material. When subjected to reduced pressure, the longitudinal core member expands and the first longitudinal concentric member compresses. These actions create intimate contact between the tunnel wound and the dressing, oppose collapse of the tunnel, and when reduced pressure is removed provide clearance to remove the dressing. Other embodiments are presented. | 05-16-2013 |
20130123728 | MEDICAL DRESSINGS, SYSTEMS, AND METHODS WITH THERMALLY-ENHANCED VAPOR TRANSMISSIONS - Wounds dressings, systems, and methods are presented that involve using a patient's body heat to enhance liquid removal from the wound dressing through a high-moisture-vapor-transmission-rate drape. Additional heat sources or devices, such as nano-antennas or electrical heating elements, may be added or used separately to enhance the removal liquid from the wound dressing. Other dressings, systems, and methods are presented herein. | 05-16-2013 |
20130123755 | SYSTEM AND METHOD FOR DETERMINING A FILL STATUS OF A CANISTER OF FLUID IN A REDUCED PRESSURE TREATMENT SYSTEM - A reduced pressure treatment system is provided that includes a canister that is fluidly connected to a tissue site and is configured to receive fluid drawn from the tissue site under the influence of a reduced pressure. A reduced pressure source provides the reduced pressure and is fluidly connected to the tissue site by a fluid communication path, which may include a source conduit, the canister, and a target conduit. A sensing device communicates with the source conduit and is configured to sense a pressure in the source conduit. A valve communicates with the source conduit and is configured to vent the reduced pressure. A processing unit communicates with the sensing device and the valve and is configured to open the valve for a selected amount of time, determine a decay of reduced pressure, and determine a fill status of the canister based on the decay of reduced pressure. | 05-16-2013 |
20130131471 | SYSTEMS, DEVICES, AND METHODS FOR IDENTIFYING PORTIONS OF A WOUND FILLER LEFT AT A TISSUE SITE - Methods for treating a wound include positioning a wound filler having a coating agent containing a fluorescent material proximate the wound. The wound filler is removed after a time period. The wound is then scanned using a fluorescence scanner to determine whether a portion of the wound filler remains at the wound. In response to the portion of the wound filler remaining at the wound, the portion of the wound filler is removed. Other methods and systems are presented. | 05-23-2013 |
20130131564 | TISSUE TREATMENT SYSTEMS AND METHODS HAVING A POROUS SUBSTRATE WITH A COMPRESSED REGION AND AN EXPANDED REGION - A system for treating a tissue site of a patient includes a dressing filler adapted to be positioned at the tissue site. The dressing filler is comprised of a porous substrate having at least one compressed region and at least one expanded region. The compressed region of the porous substrate is held in a compressed state by a first coating capable of dissolving in the presence of a fluid, and the expanded region of the porous substrate is held in an expanded state by, a second coating. | 05-23-2013 |
20130131616 | REDUCED PRESSURE TISSUE TREATMENT SYSTEMS AND METHODS HAVING A REDUCED PRESSURE DRESSING AND ASSOCIATED VALVE - A system for treating multiple tissue sites of a patient includes a first dressing filler adapted to be positioned at a first of the tissue sites. A second dressing filler is adapted to be positioned at a second of the tissue sites. A bridge manifold is positioned between the first tissue site and the second tissue site to provide fluid communication between the first and the second tissue site. A reduced pressure source is fluidly connected to at least one of the bridge manifold, the first tissue site, and the second tissue site. A valve is operably associated with one of the first and the second tissue sites to allow fluid to flow from the one of the first and the second tissue sites, but precluding flow towards the one of the first and the second tissue sites. | 05-23-2013 |
20130144227 | REDUCED-PRESSURE SYSTEMS, METHODS, AND DEVICES FOR SIMULTANEOUSLY TREATING A PLURALITY OF TISSUE SITES - Systems and methods for treating a plurality of tissue sites include a multi-port therapy unit. The multi-port therapy unit includes a plurality of patient-side ports each fluidly coupled to a plurality of conduits and a fluid reservoir fluidly coupled to the plurality of ports. A plurality of pressure sensors are associated with the plurality of patient-side ports to determining a pressure associated with each conduit. A controller is operatively coupled to the plurality of pressure sensors to receive treatment pressure data, monitor pressure for each pressure sensor of the plurality of pressure sensors, and signal an alarm condition if the pressure is outside of a pre-selected range. The system includes a reduced-pressure source fluidly coupled to a dressing at each tissue site through the multi-port therapy unit. | 06-06-2013 |
20130152945 | SEALING SYSTEMS AND METHODS EMPLOYING A SWITCHABLE DRAPE - A sealing system that includes a switchable drape is presented. The drape provides enhanced sealing by using a high-strength adhesive. In one instance, the switchable drape has a plurality of perforations through which a switching solution may be delivered to the high-strength adhesive. The switching solution causes the high-strength adhesive to become less adhesive so that the switchable drape may be removed more easily. Other systems, methods, and drapes are presented. | 06-20-2013 |
20130165836 | WOUND FILLER HAVING DYNAMIC MOTION - Systems and apparatuses for administering reduced pressure treatment to a tissue site including a wound filler for positioning adjacent a wound site on a patient. The wound filler includes at least one strand having a plurality of nodes positioned along a length of the strand. The at least one strand has a charged state and an uncharged state. In the charged state, the at least one strand includes a stored energy that when released would deform or move the at least one strand. In the discharged state, the stored energy has been released. The wound filler further includes a removable sheath encasing the at least one strand. The at least one strand transitions from the charged state to the uncharged state as the removable sheath is removed. | 06-27-2013 |
20130172839 | SYSTEM AND METHOD FOR MANAGING REDUCED PRESSURE AT A TISSUE SITE - The illustrative embodiments described herein are directed to an apparatus and method for managing reduced pressure at a tissue site. The apparatus includes a reduced pressure source that generates reduced pressure. The reduced pressure is delivered to the tissue site via a delivery tube. The apparatus includes a single pressure sensor. The single pressure sensor detects an actual reduced pressure at the tissue site. The apparatus also includes a controller. The controller determines a responsiveness of the actual reduced pressure measured by the single pressure sensor to an increase in reduced pressure generated by the reduced pressure source. The apparatus includes an indicator. The indicator emits a signal when the controller determines that the actual reduced pressure measured by the single pressure sensor is nonresponsive to the increase in reduced pressure generated by the reduced pressure source. | 07-04-2013 |
20130186826 | REDUCED-PRESSURE MEDICAL SYSTEMS AND METHODS EMPLOYING A MOISTURE PROCESSING DEVICE - Systems, methods, and devices related to removing fluids from a patient are provided. In one instance, fluid is removed from the patient and delivered to a canister using reduced pressure. Reduced pressure is supplied to the canister via a reduced-pressure delivery conduit that includes a moisture processing device and a hydrophobic filter. The moisture processing device condenses moisture from the air to prevent condensation from occluding the hydrophobic filter. The moisture processing devices includes an expanded volume and one or more liquid-impermeable, vapor-permeable membranes. The liquid-impermeable, vapor-permeable membrane allows vapor to egress the moisture processing device. Other systems, methods, and devices are presented. | 07-25-2013 |
20130190707 | REDUCED-PRESSURE TREATMENT SYSTEMS AND METHODS EMPLOYING A FLUIDLY ISOLATED PUMP CONTROL UNIT - Systems, devices, and methods for treating a tissue site on a patient with reduced pressure are presented. In one instance, a reduced-pressure treatment device to treat a tissue site with reduced pressure may include a pump control unit fluidly separate from a collection unit. Pump energy may be provided by the pump control unit to deflect one or more diaphragms within the collection unit to create reduced pressure. Other systems, devices, and methods are presented. | 07-25-2013 |
20130209277 | SYSTEMS AND METHODS FOR MONITORING A DISC PUMP SYSTEM USING RFID - A disc pump system includes a pump body having a substantially cylindrical shape defining a cavity for containing a fluid, the cavity being formed by a side wall closed at both ends by substantially circular end walls, at least one of the end walls being a driven end wall. The system includes an actuator operatively associated with the driven end wall to cause an oscillatory motion of the driven end and an isolator is operatively associated with the peripheral portion of the driven end wall to reduce damping of the displacement oscillations. The isolator comprises a flexible material, which in turn includes an RFID tag. | 08-15-2013 |
20130209278 | SYSTEMS AND METHODS FOR ELECTROCHEMICAL DETECTION IN A DISC PUMP - A disc pump system includes a pump body having a substantially cylindrical shape defining a cavity for containing a fluid, the cavity being formed by a side wall closed at both ends by substantially circular end walls, at least one of the end walls being a driven end wall having a central portion and a peripheral portion extending radially outwardly from the central portion of the driven end wall. The system includes an electrochemical detection system including a working electrode, a reference electrode, and an auxiliary electrode. The electrochemical detection system functions to detect the presence of a target gas in the fluid that flows through the pump body. | 08-15-2013 |
20130209279 | SYSTEMS AND METHODS FOR REGULATING THE TEMPERATURE OF A DISC PUMP SYSTEM - A disc pump system includes a pump body having a substantially cylindrical shape defining a cavity for containing a fluid, and an actuator operatively associated with the central portion of a driven end wall to cause an oscillatory motion of the driven end wall thereby generating displacement oscillations with an annular node between the center of the driven end wall and the side wall when in use. A heating element is thermally coupled to the actuator to maintain the actuator at a target temperature. | 08-15-2013 |
20130209281 | SYSTEMS AND METHODS FOR MONITORING REDUCED PRESSURE SUPPLIED BY A DISC PUMP SYSTEM - A disc pump system includes a pump body having a substantially cylindrical shape defining a cavity for containing a fluid, the cavity being formed by a side wall closed at both ends by substantially circular end walls, at least one of the end walls being a driven end wall. The system includes an actuator operatively associated with the driven end wall to cause an oscillatory motion of the driven end wall and an isolator is operatively associated with the peripheral portion of the driven end wall to reduce damping of the displacement oscillations. The isolator comprises a flexible printed circuit material that includes a strain gauge. The strain gauge measures data that may be used to determine the amount of pressure provided by the pump. | 08-15-2013 |
20130223979 | SYSTEMS AND METHODS FOR SUPPLYING REDUCED PRESSURE AND MEASURING FLOW USING A DISC PUMP SYSTEM - Disc pump systems and methods relate to a disc pump system that includes a first disc pump having a first actuator and a second disc pump having a second actuator. The systems and methods utilize sensors to measure the displacements of the actuators and a processor to determine the pressure differential across each actuator as a function of the measured displacements of the actuators. The disc pumps are fluidly coupled by a known restriction and the processor determines the flow rate of the disc pump system based on the determined pressure differentials across each actuator and the characteristics of the known restriction. | 08-29-2013 |
20130226115 | REDUCED-PRESSURE DRESSING CONNECTION PADS, SYSTEMS, AND METHODS - Systems, methods, and connectors are provided that introduce a working gas at certain times into a reduced-pressure dressing into order to break or avoid vacuum locks in the conduits removing fluids. In one instance, a reduced-pressure connector includes a connector body for applying a reduced pressure to the tissue site. The connector body is formed with a venting port, a body conduit, and a receptacle to receive a reduced-pressure delivery conduit. The reduced-pressure connector includes a flexible member coupled to the connector body over the venting port. The flexible member is formed with at least one venting aperture. The flexible member is biased away from the venting port and is configured to collapse and seal the venting port under a reduced pressure greater than a threshold pressure. Other systems, apparatuses, and methods are disclosed. | 08-29-2013 |
20130236338 | DISC PUMP WITH ADVANCED ACTUATOR - A two-cavity pump having a single valve in one cavity and a bidirectional valve in another cavity is disclosed. The pump has a side wall closed by two end walls for containing a fluid. An actuator is disposed between the two end walls and functions as a portion of a common end wall of the two cavities. The actuator causes an oscillatory motion of the common end walls to generate radial pressure oscillations of the fluid within both cavities. An isolator flexibly supports the actuator. The first cavity includes the single valve disposed in one of a first and second aperture in the end wall to enable fluid flow in one direction. The second cavity includes the bidirectional valve disposed in one of a third and fourth aperture in the end wall to enable fluid flow in both directions. | 09-12-2013 |
20130237936 | MULTI-CONDUIT CONNECTORS AND METHODS FOR NEGATIVE PRESSURE WOUND THERAPY - Multi-conduit connector apparatuses for use in negative pressure wound therapy (NPWT) apparatuses to wound dressing, and methods for installing multi-conduit connector apparatuses in NPWT apparatuses. | 09-12-2013 |
20130245556 | SYSTEMS AND METHODS FOR POSITIONING FLUID SUPPLY SYSTEM - Fluid supply systems and methods for therapeutic fluid delivery systems, including those used for negative pressure wound therapy (NPWT) systems and methods. | 09-19-2013 |
20130245580 | WOUND TREATMENT APPARATUSES AND METHODS FOR CONTROLLED DELIVERY OF FLUIDS TO A WOUND - Pump cassettes, wound-treatment apparatuses and methods. In some embodiments, a pump cassette comprises: a pump body having a pump chamber, an inlet valve in fluid communication with the pump chamber, and an outlet valve in fluid communication with the pump chamber; a diaphragm coupled to the pump body such that the diaphragm is movable to vary a volume in the pump chamber; and an identifier configured to store one or more properties of the pump cassette such that the identifier is readable by an automated reader to determine the one or more properties. In some embodiments, the pump cassette is configured to be removably coupled to a wound-treatment apparatus having an actuator such that the actuator can be activated to move the diaphragm. | 09-19-2013 |
20130245583 | ADJUSTABLE REDUCED-PRESSURE WOUND COVERINGS - Adjustable covers, systems, and methods are presented that include an adjustable cover that may be adjusted to an appropriate size by hand without requiring cutting tools and without substantial leaks. In one instance, the adjustable covering includes a drape member with a plurality of non-leaking tear paths. Each non-leaking tear path includes a weakened path of the drape member that may be torn. The adjustable covering may further include a first plurality of tear starters formed on a first initiation edge of the drape member. Each tear starter of the first plurality of tear starters is aligned with one of the plurality of tear paths. Each of the first plurality of tear starters is adapted to facilitate the initiation of a tear along a tear path. The grains of the drape member, a backing layer, and support layer may also be in the same direction. Other adjustable covers, systems, and methods are presented. | 09-19-2013 |
20130253401 | REDUCED-PRESSURE, WOUND-TREATMENT DRESSINGS AND SYSTEMS - A wound-closing dressing, which is suitable for use as part of a reduced-pressure, wound-treatment system, may include a sealing drape, one or more contracting elements, and a gripping member. The contracting element may be coupled to the sealing drape and is configured to contract when activated and to generate a closing force. A gripping member is coupled to the sealing drape and is configured to transmit the closing force to a patient's epidermis. Other dressings, systems, and methods are also disclosed. | 09-26-2013 |
20130270166 | Reduced-Pressure, Liquid-Collection Canister With Multi-Orientation Filter - A reduced pressure treatment system includes a liquid-collection canister for collecting liquid from a tissue site to which reduced pressure treatment is applied. The canister includes a first space configured to collect the liquid from the tissue site and a filter having a frame and a non-planar filter element. The filter defines a second space within the canister separated from the first space by the filter element. The filter element substantially prevents liquid from passing from the first space into the second space. The filter element substantially allows gaseous communication between the first space and the second space when the second space is exposed to a reduced pressure. | 10-17-2013 |
20130276906 | DISC PUMP VALVE WITH PERFORMANCE ENHANCING VALVE FLAP - A disc pump valve for controlling the flow of fluid through a disc pump includes a first plate having first plate apertures and a second plate having second plate apertures both extending generally perpendicular through the first plate and the second plate, respectively. The second plate apertures are substantially offset from the first plate apertures. The disc pump valve also includes a sidewall disposed between the first plate and second plate. A valve flap is disposed and moveable between the first plate and second plate. The valve flap includes flap apertures substantially offset from the first plate apertures and substantially aligned with the second plate apertures, and low-mass areas. The low-mass areas are offset from the first plate apertures and second plate apertures. The valve flap moves between the first plate and second plate in response to a change in direction of differential pressure of the fluid outside the valve. | 10-24-2013 |
20130280105 | DISC PUMP WITH PERIMETER VALVE CONFIGURATION - A disc pump valve includes an elliptical pump base having at least one aperture extending through the base. The base comprises a first end wall and a sealing surface. The pump includes an isolator overlying the base and having an isolator valve aperture extending through the isolator at or near the periphery of the isolator and partially overlying a cavity formed by the base to form an outlet. In addition, the disc pump includes a valve flap disposed between the pump base and the isolator. The flap has apertures arranged about its periphery, beyond the periphery of the cavity but underlying an isolator valve aperture. The flap seals against the sealing surface to close the pump outlet and prevent fluid from flowing from the outlet into the cavity and flexes away from the sealing surface to allow fluid to pass from the cavity through the pump outlet. | 10-24-2013 |
20130281946 | SYSTEMS AND METHODS FOR IMPROVED CONNECTION TO WOUND DRESSINGS IN CONJUNCTION WITH REDUCED PRESSURE WOUND TREATMENT SYSTEMS - A system for applying reduced pressure to tissue includes a multi-lumen reduced pressure delivery tube having a proximate end, a distal end, a primary lumen extending through the conduit from the proximate end to the distal end, and an ancillary lumen extending through the conduit from the proximate end to the distal end. A vacuum pump is coupled to the proximate end of the primary lumen, and a reduced pressure adapter is coupled to the distal end of the reduced pressure delivery tube. The adapter includes channels to direct liquid away from the ancillary lumens and into the primary lumen. | 10-24-2013 |
20130289503 | APPARATUSES, SYSTEMS, AND METHODS FOR MANAGING LIQUID FLOW ASSOCIATED WITH A TISSUE SITE USING THE PRESENCE OF REDUCED PRESSURE - The illustrative embodiments described herein are directed to apparatuses, systems, and methods for managing liquid flow associated with a tissue site that involves using reduced pressure to control fluid flow. In one instance, an apparatus includes a first valve and a second valve in fluid communication with a reduced-pressure source. The valves are movable between an open position and a closed position and are operable to change flow status (open to closed or vice versa) based on a presence of reduced pressure. At least one of the first valve or the second valve is in the closed position to obstruct a flow of a liquid while the other is in the open position. The apparatus also includes a reservoir fluidly coupled to the first valve and the second valve. Other systems, methods, and apparatuses are presented. | 10-31-2013 |
20130310778 | SYSTEM AND METHOD FOR LOCATING FLUID LEAKS AT A DRAPE OF A REDUCED PRESSURE DELIVERY SYSTEM - A system and method for performing tissue therapy may include applying a reduced pressure to a tissue site, sensing a fluid parameter being applied to the tissue site, generating a fluid sensor signal in response to sensing the fluid parameter, and altering the fluid sensor signal in response to sensing that the fluid parameter changes. A fluid leak location mode may be entered. In response to the fluid leak location mode being entered, a graphical user interface that provides for fluid leak location functionality may be displayed. In one embodiment, the fluid leak location mode may be automatically entered in response to the sensor signal crossing a threshold value. Additionally, an alarm signal may be generated in response to determining that the fluid sensor signal crosses the threshold value. | 11-21-2013 |
20130317406 | DRESSINGS AND METHODS FOR TREATING A TISSUE SITE ON A PATIENT - Dressings, systems, and methods for treating a tissue site on a patient involve allowing liquids from the tissue site or a priming fluid to evaporate and exit the dressing through a liquid-impermeable, vapor-permeable membrane. The dressing is able to process more liquids than would otherwise be possible without evaporation and potentially to create reduced pressure. Other dressings, systems, and methods are disclosed. | 11-28-2013 |
20130317464 | REDUCED-PRESSURE DRESSINGS, SYSTEMS, AND METHODS EMPLOYING DESOLIDIFYING BARRIER LAYERS - Reduced-pressure medical dressings, systems, and methods involve a dressing with a first barrier layer that desolidifies when exposed to a fluid—typically a liquid—to form a treatment aperture in the first barrier that is used to deliver reduced pressure to a tissue site. The first barrier layer is formed from a desolidifying material. The system includes a drape covering a second surface of a manifold and a portion of the patient's epidermis to provide a substantially sealed space containing a manifold and the first barrier layer. Other systems, dressings, and methods are also disclosed. | 11-28-2013 |
20130324953 | DRESSING REDUCED-PRESSURE INDICATORS, SYSTEMS, AND METHODS - Dressings, systems, and methods are disclosed, in some embodiments, that involve treating a tissue site with reduced pressure, wherein the dressing includes a dressing reduced-pressure indicator that allows one to ascertain that the reduced pressure applied at the dressing is greater than a threshold reduced pressure. The dressing reduced-pressure indicator may include a moving member that is adapted to move under reduced pressure and a visual indicator associated with the moving member. Another embodiment uses an electro-mechanical indicator to provide a powered visual alert or audible alert or another output signal. Other dressings, systems, and methods are disclosed. | 12-05-2013 |
20140005618 | WOUND CONNECTION PAD WITH RFID AND INTEGRATED STRAIN GAUGE PRESSURE SENSOR | 01-02-2014 |
20140012213 | RELEASABLE MEDICAL DRAPES - A releasable medical drape, and systems and methods having the same, includes at least a liquid-impermeable, vapor-permeable layer, a pressure-sensitive adhesive layer, and a soft-gel layer having a plurality of apertures. The soft-gel layer is configured to be disposed adjacent to a tissue site. A portion of the pressure-sensitive adhesive layer extends through the plurality of apertures in the soft-gel layer to contact the tissue site. The soft-gel layer forms a good seal with the tissue site and the pressure-sensitive adhesive layer extending through the plurality of apertures forms a firm—but releasable—coupling with the tissue site. | 01-09-2014 |
20140017093 | SYSTEMS AND METHODS FOR REGULATING THE REASONANT FREQUENCY OF A DISC PUMP CAVITY - A disc pump system includes a pump body having a substantially cylindrical shape defining a cavity for containing a fluid. The cavity having a resonant cavity frequency is formed by an internal sidewall and substantially closed at both ends by a first end wall and a driven end wall. The disc pump system includes an actuator that is driven a frequency (f) that corresponds to the fundamental resonant frequency of the actuator. The internal sidewall is configured to expand and contract in response to changes in temperature, thereby causing the actuator and cavity to have approximately the same resonant frequencies over a range of operating temperatures. | 01-16-2014 |
20140031771 | INCISIONAL ABSORBENT DRESSING - Dressings, systems, and methods are disclosed, in some embodiments, that involve treating a tissue site with reduced pressure. In one embodiment, a reduced-pressure dressing may include a dressing bolster, a retention pouch, and a sealing member. The dressing bolster may be adapted to apply a compressive force to the tissue site capable of closing a wound or incision therein. The retention pouch may be adapted to retain and manage fluid extracted from the tissue site to keep the tissue site substantially free of fluid and to prevent clogging of the reduced-pressure dressing. The sealing member may provide a seal over the retention pouch, the dressing bolster, and a portion of the epidermis of the patient. Other dressings, systems, and methods are disclosed. | 01-30-2014 |
20140039424 | INTERFACES, SYSTEMS, AND METHODS FOR USE IN REDUCED PRESSURE TISSUE TREATMENT - Systems and devices for treating a tissue site may include an interface adapted to provide a reduced pressure to a dressing. The interface may include a positive-pressure channel for delivering a positive pressure from a positive-pressure port to a positive pressure outlet. The positive-pressure channel may include a constricted portion configured to provide a pressure drop. The interface may additionally include a reduced-pressure channel adapted to deliver reduced pressure to the dressing that substantially corresponds to the pressure drop. The reduced-pressure channel may be fluidly coupled between the positive pressure channel and a side of the interface body adapted to face the dressing. Other systems and devices are disclosed. | 02-06-2014 |
20140039426 | REDUCED-PRESSURE SYSTEMS, DRESSINGS, AND METHODS EMPLOYING A WIRELESS PUMP - Systems, methods, and dressings for providing reduced pressure to a tissue site on a patient are presented that involve wirelessly providing power to a reduced-pressure pump. In one instance, a RFID antenna is used to power a reduced-pressure pump that is fluidly coupled by a conduit to a reduced-pressure dressing. In another instance, a reduced-pressure dressing incorporates a micro-pump and a RFID antenna that is used to power the micro-pump. Other systems, methods, and devices are presented. | 02-06-2014 |
20140046282 | REDUCED-PRESSURE SYSTEMS AND METHODS EMPLOYING AN ULTRAVIOLET LIGHT SOURCE FOR REDUCING BIOBURDEN - Systems and methods are provided for moving fluids from a patient to a canister and lowering or eliminating the bio-burden of the canister. In one instance, a method for removing fluids from a patient includes using reduced pressure to remove fluids from a patient, delivering the fluids into a reduced-pressure conduit and into a fluid reservoir, exposing the fluids removed from the patient to a UV light source to kill pathogens to create disposable fluids, and disposing of the disposable fluids. Other systems, devices, and methods are presented. | 02-13-2014 |
20140058345 | FOAM DRESSING WITH INTEGRAL POROUS FILM - Wound dressings and wound inserts comprising a porous film layer and at least a channel, wound inserts of forming wound inserts comprising a porous film layer and at least a channel, and wound-treatment wound inserts. | 02-27-2014 |
20140066867 | DRESSINGS AND METHODS FOR TREATING A TISSUE SITE ON A PATIENT - Dressings, systems, and methods for treating a tissue site on a patient involve allowing liquids from the tissue site or a priming fluid to evaporate and exit the dressing through a liquid-impermeable, vapor-permeable membrane. The dressing is able to process more liquids than would otherwise be possible without evaporation and potentially to create reduced pressure. Other dressings, systems, and methods are disclosed. | 03-06-2014 |
20140074053 | SYSTEMS AND METHODS FOR COLLECTING EXUDATES IN REDUCED-PRESSURE THERAPY - In one example embodiment, a dressing connector is described that provides a first fluid path between a first connector and a second connector, and a second fluid path between a third connector and a fourth connector. A liquid barrier may be disposed in the first fluid path. The first fluid path and the second fluid path are generally exposed to an exterior surface of the dressing connector. In some embodiments, a tube may also be bonded to the third connector to provide a third fluid path between the dressing connector and another component. In more particular embodiments, the liquid barrier may be a filter, such as a hydrophobic bacterial filter, a sintered polymer filter, and/or a charcoal filter. | 03-13-2014 |
20140100539 | SYSTEM, METHOD, AND APPARATUS FOR REGULATING PRESSURE - Subject matter relating to pressure regulation is described. In one illustrative embodiment, an apparatus for regulating pressure may include a supply chamber, a control chamber, and a charging chamber. The supply chamber may have a supply port adapted for coupling to a supply lumen, and the control chamber may have a control port adapted for coupling to a feedback lumen. The charging chamber can be fluidly coupled to the supply chamber through a charging port. A regulator valve within the control chamber can operate to control fluid communication through the charging port based on a differential between pressure in the control chamber and a target pressure. | 04-10-2014 |
20140107600 | REDUCED-PRESSURE WOUND DRESSINGS AND SYSTEMS FOR RE-EPITHELIALIZATION AND GRANULATION - Methods for promoting re-epithelialization and granulation as an aspect of wound healing are presented. A method for promoting granulation and re-epithelialization of a wound at the same time involves using a reduced-pressure treatment dressing and applying a moist, water-sensitive barrier to promote re-epithelialization and to inhibit granulation. Other methods are also presented. | 04-17-2014 |
20140115893 | REDUCED-PRESSURE TREATMENT SYSTEMS WITH RESERVOIR CONTROL - A reduced-pressure system for delivering reduced pressure for medical purposes to a desired site and to receive fluids in one instance includes a reservoir having an interior space operable to contain the fluids. A reduced-pressure delivery conduit is placed in fluid communication with the interior space for delivering the reduced pressure to the desired site. A source conduit and a pressure sensor conduit are placed in fluid communication with the interior space. A pressure sensor is placed in fluid communication with the pressure sensor conduit. A reduced-pressure source is placed in fluid communication with the source conduit. A reduced-pressure control unit is associated with the pressure sensor and the reduced-pressure source and is operable to receive pressure data from the pressure sensor and supply data from the reduced-pressure source and to determine when a reservoir-full/blockage condition exists. Other systems and methods are presented. | 05-01-2014 |
20140121614 | MANUALLY-ACTUATED, REDUCED-PRESSURE SYSTEMS FOR TREATING WOUNDS - A manually-actuated, constant reduced-pressure apparatus for use with a reduced-pressure system for treating tissue at a tissue site includes a flexible, collapsible member that is operable to move between a compressed position and an extended position. The collapsible member may be disposed between a carrier member and a slider member that move between a compressed position and an extended position. The carrier member and slider member are urged away from each other by a constant-force biasing member, e.g., a constant force coil spring. As the apparatus moves from the compressed position to the extended position, a constant reduced-pressure is generated and delivered to a reduced-pressure port. Methods of manufacturing a manually-actuated, constant reduced-pressure apparatus and methods of treating a tissue site are also provided. | 05-01-2014 |
20140121615 | WOUND CONNECTION PAD WITH PNEUMATIC CONNECTION CONFIRMATION ABILITY - A system, apparatus, and method for treating a tissue site with reduced pressure includes a connector having a connector body. The connector body includes a cavity and a cavity aperture. The connector also includes a conduit port fluidly coupling a conduit to the cavity. The connector further includes a base adjacent the cavity aperture that is configured to be positioned adjacent a drape. The cavity is configured to be fluidly coupled to a manifold through an aperture of the drape. The connector also includes a sensing probe having a proximal end configured to be fluidly coupled to the conduit and a distal end extending to the cavity aperture. The distal end is configured to be positioned adjacent to and in fluid communication with a manifold. | 05-01-2014 |
20140121617 | REDUCED-PRESSURE CANISTERS AND METHODS FOR RECYCLING - Reduced-pressure canisters and methods for recycling are disclosed. In one instance, a method for performing multiple reduced pressure treatments on one or more patients includes providing a reduced-pressure treatment system that includes a first canister body, a fluid reservoir, and one or more modules, such as a pump control module. The method involves using the reduced-pressure system and then removing one or more modules and placing the one or more modules in fitted shipping receptacle that disallows shipping of the fluid reservoir. The one or more modules may be reconditioned and coupled to a second canister body. Other systems and methods are disclosed. | 05-01-2014 |
20140148769 | RE-EPITHELIALIZATION WOUND DRESSINGS AND SYSTEMS - Methods, apparatuses, and systems for promoting re-epithelialization as an aspect of wound healing are presented. A re-epithelialization dressing for use with reduced pressure has a moist tissue-interface layer, a manifold member, and a sealing member. The moist tissue-interface layer has a plurality of apertures. The moist tissue-interface layer is for disposing adjacent to the wound and provides a moisture balance (i.e., provides moisture when the wound is dry and receives moisture when the wound site is substantially wet). The reduced pressure, apertures, and moist tissue-interface layer help with liquid management and otherwise promote re-epithelialization. Other systems, apparatuses, and methods are presented. | 05-29-2014 |
20140155791 | MEDICAL DRAPE WITH PATTERN ADHESIVE LAYERS AND METHOD OF MANUFACTURING SAME - A medical drape for use with a reduced pressure system for providing reduced pressure to a tissue site is described. In some embodiments, the drape may include a flexible film, and an adhesive layer coupled to the flexible film. The adhesive layer may include a first adhesive disposed on a first portion of the flexible film in a first pattern. The first adhesive can be configured to secure the flexible film proximate to the tissue site. The adhesive layer generally includes a second adhesive disposed on a second portion of the flexible film in a second pattern. The second adhesive can be configured to seal the flexible film proximate to the tissue site. The first pattern and the second pattern are preferably registered so that the first portion and the second portion are offset to cover substantially different portions of the flexible film. | 06-05-2014 |
20140163490 | INTELLIGENT THERAPY SYSTEM WITH EVAPORATION MANAGEMENT - Dressings, systems, and methods are disclosed that, in some embodiments, relate to treating a tissue site. In one embodiment, a dressing may include a manifold, a retention pouch, a sealing member, and a conduit interface. The manifold may be adapted to distribute reduced pressure to the tissue site, and the retention pouch may be adapted to retain and manage fluid extracted from the tissue site. The sealing member may cover the retention pouch and the manifold to provide a sealed space with the tissue site. The conduit interface may be in fluid communication with the sealed space and an exterior surface of the sealing member. The dressing may be utilized with a therapy device operable to control reduced pressure in the dressing and fluid flow over the sealing member. | 06-12-2014 |
20140180226 | SYSTEM AND METHOD FOR INTERFACING WITH A REDUCED PRESSURE DRESSING - Systems, devices, and methods for treating a tissue site on a patient with reduced pressure are presented. In one instance, a reduced-pressure interface includes a conduit housing having a cavity divided by a dividing wall into a reduced-pressure-application region and a pressure-detection region. The reduced-pressure interface further includes a reduced-pressure port disposed within the reduced-pressure-application region, a pressure-detection port disposed within the pressure-detection region, and a base connected to the conduit housing, the base having a manifold-contacting surface. The dividing wall includes a surface substantially coplanar with the manifold-contacting surface. | 06-26-2014 |
20140180227 | BREATHABLE INTERFACE SYSTEM FOR TOPICAL REDUCED PRESSURE - A reduced pressure tissue treatment system includes an applicator having an aperture, a first pad section, and a second pad section substantially covering the aperture and positioned substantially adjacent the first pad section. A fabric layer is located at least partially between the second pad section and the drape, and the fabric layer includes a woven or non-woven fabric made from a fiber material. A drape substantially covers the first pad section, the second pad section, the fabric layer, and the applicator. A reduced pressure source is in fluid communication with at least one of the first pad section and the fabric layer for providing reduced pressure to the aperture. | 06-26-2014 |
20140188058 | FLEXIBLE, ADHERENT, AND NON-POLYURETHANE FILM WOUND DRAPE COVER - A system for treating a tissue site includes a reduced-pressure source to apply reduced pressure, a manifold in fluid communication with the pressure source to provide reduced pressure to the tissue site, and a drape for adhering to the tissue site to cover the tissue site and the manifold. The drape includes an adhesive layer for sealing the drape to the tissue site to create a sealed space having the manifold therein, and a non-adhesive layer formed from a portion of the adhesive layer. A method for manufacturing a medical drape includes providing a sheet of adhesive material and treating a side of the sheet of adhesive material to form a non-adhesive layer and an adhesive layer. The method laminates a release liner adjacent the adhesive layer. | 07-03-2014 |
20140188059 | MEDICAL DRAPE HAVING AN ULTRA-THIN DRAPE FILM AND A THICK ADHESIVE COATING - A system for treating a tissue site includes a pressure source to apply reduced pressure, and a manifold in fluid communication with the pressure source to provide reduced pressure to the tissue site. The system includes a drape for adhering to the tissue site to cover the tissue site and the manifold. The drape has a film layer having a thickness less than about 15 microns, and an adhesive coupled to the film layer. The adhesive seals the film layer to the tissue site to create a sealed space having the manifold therein. The adhesive is sufficiently thick to limit leaks between the film layer and the tissue site. | 07-03-2014 |
20140194837 | REDUCED-PRESSURE WOUND TREATMENT SYSTEMS AND METHODS EMPLOYING MANIFOLD STRUCTURES - Manifold structures, systems, and methods are disclosed that include using longitudinal members and one or more shaped projections to cause microstrain at a tissue site. In one instance a manifold structure includes a plurality of spaced longitudinal members and at least one shaped projection coupled to at least one of the plurality of longitudinal members for creating a microstrain at a tissue site. The at least one shaped projection includes a columnar member having a distal end and includes an enlarged member positioned at the distal end of the columnar member. The columnar member has a first outer diameter (D | 07-10-2014 |
20140200526 | SYSTEMS AND METHODS OF STIMULATION AND ACTIVATION OF FLUIDS FOR USE WITH INSTILLATION THERAPY - Systems and methods of stimulating or activating fluids for use in wound treatment systems. | 07-17-2014 |
20140200532 | ION EXCHANGE ENHANCED ABSORBENT SYSTEMS - A system, method, and apparatus for treating a tissue site with reduced pressure includes a dressing adapted to be positioned proximate the tissue site. An absorbent may be adapted to be fluidly coupled to the manifold, and an ion exchange member may be adapted to be fluidly coupled between the manifold and the absorbent. A sealing member may be adapted to cover the tissue site to form a sealed space having the manifold disposed therein. A reduced-pressure source may be adapted to be fluidly coupled to the manifold. | 07-17-2014 |
20140200533 | DRESSING WITH ASYMMETRIC ABSORBENT CORE FOR NEGATIVE PRESSURE WOUND THERAPY - Systems, methods, and apparatuses for treating a tissue site with reduced pressure are described. The system includes a manifold configured to be placed adjacent the tissue site, and a sealing member configured to be placed over the tissue site and the manifold. The system also includes a reduced-pressure source fluidly coupled to the manifold through the sealing member. The system further includes a pouch having an upstream layer having a first thickness, a downstream layer having a second thickness, and an absorbent member enclosed between the upstream layer and the downstream layer. The second thickness is greater than the first thickness. The upstream layer may have a hydrophilic side adjacent the absorbent member, and the downstream layer may have a hydrophobic side adjacent the absorbent member. | 07-17-2014 |
20140200534 | REDUCED-PRESSURE SOURCES, SYSTEMS, AND METHODS EMPLOYING A POLYMERIC, POROUS, HYDROPHOBIC MATERIAL - Reduced-pressure sources, systems, and methods involve using a vacuum pump that is disposed within a sealed space to produce reduced pressure. The exhaust from the vacuum pump is exhausted from the sealed space through pores in an enclosure member that is made of a polymeric, porous, hydrophobic material. Other devices, systems, and methods are disclosed. | 07-17-2014 |
20140200535 | MANUALLY-ACTUATED REDUCED PRESSURE TREATMENT SYSTEM WITH AUDIBLE LEAK INDICATOR - Illustrative embodiments of new and useful systems and methods for reduced-pressure therapy are described. One example embodiment is a manually-actuated pump for applying reduced-pressure therapy. The pump generally comprises a charging chamber, a regulated chamber, and a regulator passage between the charging chamber and the regulated chamber. A valve body controls fluid communication through the regulator passage, and a regulator spring may be engaged with the valve body to bias the valve body against a differential between a pressure in the regulated chamber and an ambient pressure. The regulator passage may have a bore size adapted deflect the valve body to cause an audible indication of a leak. | 07-17-2014 |
20140236106 | SYSTEM AND METHOD FOR DETERMINING A FILL STATUS OF A CANISTER OF FLUID IN A REDUCED PRESSURE TREATMENT SYSTEM - A reduced pressure treatment system is provided that includes a canister that is fluidly connected to a tissue site and is configured to receive fluid drawn from the tissue site under the influence of a reduced pressure. A reduced pressure source provides the reduced pressure and is fluidly connected to the tissue site by a fluid communication path, which may include a source conduit, the canister, and a target conduit. A sensing device communicates with the source conduit and is configured to sense a pressure in the source conduit. A valve communicates with the source conduit and is configured to vent the reduced pressure. A processing unit communicates with the sensing device and the valve and is configured to open the valve for a selected amount of time, determine a decay of reduced pressure, and determine a fill status of the canister based on the decay of reduced pressure. | 08-21-2014 |
20140257213 | APPARATUSES, SYSTEMS, AND METHODS FOR MANAGING LIQUID FLOW ASSOCIATED WITH A TISSUE SITE USING THE PRESENCE OF REDUCED PRESSURE - The illustrative embodiments described herein are directed to apparatuses, systems, and methods for managing liquid flow associated with a tissue site that involves using reduced pressure to control fluid flow. In one instance, an apparatus includes a first valve and a second valve in fluid communication with a reduced-pressure source. The valves are movable between an open position and a closed position and are operable to change flow status (open to closed or vice versa) based on a presence of reduced pressure. At least one of the first valve or the second valve is in the closed position to obstruct a flow of a liquid while the other is in the open position. The apparatus also includes a reservoir fluidly coupled to the first valve and the second valve. Other systems, methods, and apparatuses are presented. | 09-11-2014 |
20140276288 | SYSTEM AND METHOD UTILIZING VACUUM FOR PROMOTING THE HEALING OF SPRAINS - A system and apparatus for promoting perfusion at a tissue site containing a sprain by applying a vacuum to intact skin extending over or surrounding the tissue site. The system and apparatus comprise a manifold formed from a porous material and configured to be disposed proximate the intact skin for distributing vacuum to the intact skin, and a sleeve adapted to cover the manifold and form a chamber containing the manifold to seal the manifold within the chamber between the sleeve and the intact skin. The system and apparatus further comprise a fluid coupling member adapted to deliver vacuum to the manifold for distribution to the intact skin. A method for applying vacuum to the intact skin of a tissue site is also disclosed and described herein. | 09-18-2014 |
20140276487 | APPARATUS AND METHOD FOR IDENTIFYING ALTERNATIVE CELL CHEMISTRIES FOR BATTERIES - New and useful systems, methods, and apparatuses for automatically identifying alternative cell chemistries of batteries that power portable electric devices and adjusting the characteristics of such devices in response to the identification of such cells in a reduced-pressure therapy environment are set forth in the appended claims. | 09-18-2014 |
20140276488 | COLLAPSIBLE CANISTER FOR USE WITH REDUCED PRESSURE THERAPY DEVICE - A wound fluid collection system includes a canister with a chamber fluidly connected to a wound dressing in a tissue site through an inlet and also fluidly connected to a reduced pressure source through an outlet. At least a portion of the canister is collapsible and yet can be maintained in an extended state when exposed to subatmospheric pressure. The canister is releasably attachable to a supporting member. | 09-18-2014 |
20140276489 | MICRO-POROUS CONDUIT - A porous conduit may be suitable for use in treating a tissue site, and may include a central lumen and a porous wall positioned substantially concentric about the central lumen. The porous wall may have an open porous structure that may define a plurality of interconnected pores in fluid communication with one another. As part of a system, the porous conduit may be used with a manifold adapted to be positioned at a tissue site, a sealing drape adapted to cover the manifold to provide a sealed space relative to the tissue site, and a therapy device including a reduced-pressure source. The porous conduit may be disposed in the sealed space and in fluid communication between the sealed space and the reduced-pressure source. | 09-18-2014 |
20140276490 | ABSORBENT DRESSING WITH HYBRID DRAPE - A dressing may be suitable for use with systems and methods for treating a tissue site. Embodiments of the dressing may include a base layer, an adhesive, a sealing member, a first wicking layer, a second wicking layer, and an absorbent layer. The base layer may have a plurality of apertures and may be adapted to cover the tissue site. The adhesive may be positioned between the sealing member and the base layer such that the sealing member and the base layer define an enclosure. The first and the second wicking layer may each be disposed in the enclosure with the absorbent layer positioned between the first and the second wicking layer. Other dressings, systems, and methods are disclosed. | 09-18-2014 |
20140276491 | ABSORBENT DRESSING AND METHOD - A system that may be adapted to distribute reduced pressure to a tissue site may include a dressing and a sealing member. The dressing may include a manifold layer, a storage layer, and a plurality of retainers. The manifold layer may be adapted to be positioned proximate the tissue site, and the storage layer may be positioned proximate the manifold layer. The plurality of retainers may be disposed in the storage layer. Each of the retainers may define a fluid communication channel through the storage layer. The retainers may be adapted to substantially preclude deformation of the storage layer into the fluid communication channels. The sealing member may be adapted to cover the dressing and to provide a fluid seal between the sealing member and the tissue site. | 09-18-2014 |
20140276492 | SYSTEM AND METHOD FOR MULTIPLE DIRECTION FLEXIBLE INLINE CANISTER - A system and apparatus for treating a tissue site with reduced pressure and collecting fluids from the tissue site is disclosed. The system may include a reduced-pressure source, a pouch in fluid communication with the reduced pressure source, and a dressing in fluid communication with the pouch. The pouch may include a first wall, a second wall having a periphery coupled to the first wall to form an interior, and a third wall extending through the interior to form a first chamber in fluid communication with the dressing and a second chamber in fluid communication with the reduced pressure source. A plurality of filters are positioned in the third wall. The filters permit fluid communication between the first chamber and the second chamber. | 09-18-2014 |
20140276497 | SYSTEM AND METHOD FOR BODILY FLUID COLLECTION - A bodily fluid collection system may include a canister fluidly connected to a dressing at a tissue site through an inlet. The canister may also be fluidly connected to a reduced pressure source through an outlet. At least a portion of the wall of the canister may be a membrane and may have the open edge of a flexible bag container fixed to the canister surrounding the perimeter of the membrane. The flexible bag may contain an osmotic agent capable of drawing absorbent from bodily fluid in the canister through the membrane and into the flexible bag. | 09-18-2014 |
20140276499 | EXPANDABLE FLUID COLLECTION CANISTER - A bodily fluid collection system includes a reduced pressure treatment unit for providing reduced pressure to a fluid collection system through a canister having a container with an inlet adapted to be fluidly coupled to the fluid collection system, an outlet adapted to be connected to a source of reduced pressure, and an absorptive lamination disposed within the container. The absorptive lamination may be formed from a plurality of absorptive layers and wicking layers interleaved between the absorptive layers that collectively manifold bodily fluids from a tissue site into and throughout the absorptive lamination to trap and collect the bodily fluids. The container expands as the absorptive lamination swells with the bodily fluid being collected. | 09-18-2014 |
20140277454 | Absorbent Substrates For Harvesting Skin Grafts - Methods and devices for management of fluids during skin graft transplantation are disclosed. In one aspect of the invention, absorbent substrates for transplanting skin grafts are disclosed having a surface adapted to contact at least one excised skin graft and engage said graft for removal from a donor site; a sealing member at least partially surrounding an absorbent material disposed within the enclosure; wherein at least a portion of the skin-contacting surface is porous and in fluid communication with the absorbent layer to capture fluids. | 09-18-2014 |
20140316358 | FLUID COLLECTION CANISTER WITH INTEGRATED MOISTURE TRAP - A moisture trap for removing liquid from fluid from a tissue site treated with reduced pressure are described. The moisture trap may include a barrier adapted to be fluidly coupled to and define an indirect fluid path between a fluid reservoir and a reduced-pressure source. The barrier may have a hydrophilic surface. The moisture trap also may include a sump adapted to receive condensation from the barrier. | 10-23-2014 |
20140330227 | DELIVERY-AND-FLUID-STORAGE BRIDGES FOR USE WITH REDUCED-PRESSURE SYSTEMS - Systems, methods, and apparatuses are presented that facilitate the provision of reduced pressure to a tissue site by using a delivery-and-fluid-storage bridge, which separates liquids and gases and provides a flow path for reduced pressure. In one instance, a delivery-and-fluid-storage bridge includes a delivery manifold for delivering reduced pressure to a treatment manifold at the tissue site and an absorbent layer proximate the delivery manifold adapted to receive and absorb liquids. The delivery manifold and the absorbent layer are encapsulated in an encapsulating pouch. A first aperture is formed proximate a first longitudinal end of the delivery-and-fluid-storage bridge for fluidly communicating reduced pressure to the delivery manifold from a reduced-pressure source, and a second aperture is formed on a patient-facing side of the delivery-and-fluid-storage bridge. Reduced pressure is transferred to the tissue site via the second aperture. Other systems, apparatuses, and methods are disclosed. | 11-06-2014 |
20140343516 | FLUID POUCH, SYSTEM, AND METHOD FOR STORING FLUID FROM A TISSUE SITE - The illustrative embodiments described herein are directed to an apparatus, system, and method for storing liquid from a tissue site. The apparatus may include a drape having an aperture, and a fluid pouch coupled to the drape such that the fluid pouch is in fluid communication with the aperture. In one embodiment, the fluid pouch is operable to transfer reduced pressure to the aperture such that the liquid from the tissue site is drawn into the fluid pouch. The fluid pouch may have a cavity that stores the liquid that is drawn from the tissue site. In another embodiment, the fluid pouch may include at least one baffle. The fluid pouch may also include a fluid channel at least partially defined by the at least one baffle. The fluid channel may be operable to store liquid from the tissue site when reduced pressure is applied through the fluid channel. | 11-20-2014 |
20140350498 | EVAPORATIVE BODY-FLUID CONTAINERS AND METHODS - Body-fluid containers, methods, and systems are presented that include a container that has a container housing formed, at least in part, by a liquid-impermeable, vapor-permeable material. The liquid-impermeable, vapor-permeable material allows water to evaporate and be transmitted outside of the container. The evaporation allows more fluid to be processed by the container than the container could otherwise hold. Other systems, methods, and apparatuses are presented. | 11-27-2014 |
20140371696 | COMPONENT MODULE FOR A REDUCED PRESSURE TREATMENT SYSTEM - A reduced pressure treatment system includes a control unit having a control system and a reduced pressure source. The reduced pressure treatment system further includes a manifold unit in fluid communication with the reduced pressure source and a component module to augment treatment. The component module is configured to communicate with the control system of the control unit, and the component module includes a first mounting region configured to be coupled to a complimentary mounting region of the control unit. The component module further includes a second mounting region identical to the complimentary mounting region of the control unit to allow a second component module to be coupled to the first component module. | 12-18-2014 |
20150018784 | MANUALLY POWERED, REGULATED, NEGATIVE PRESSURE PUMP WITH ADAPTER FOR EXTERNAL PRESSURE SOURCE - A manually-actuated pump for applying reduced-pressure therapy includes a charging chamber and a regulated chamber. The charging chamber has a closed end. A regulator passage extends between the charging chamber and the regulated chamber, and a valve body is adapted to control fluid communication through the regulator passage. A regulator spring is engaged with the valve body to bias the valve body against a differential between a pressure in the regulated chamber and an ambient pressure. The manually-actuated pump also includes an outlet port coupled to the regulated chamber; and a valve assembly coupled to the charging chamber to permit fluid flow through the closed end of the charging chamber. | 01-15-2015 |
20150018786 | WOUND-CONNECTION PADS FOR FLUID INSTILLATION AND NEGATIVE PRESSURE WOUND THERAPY, AND SYSTEMS AND METHODS - Connection pads for coupling fluid-instillation and negative pressure wound therapy (NPWT) apparatuses to wound dressing, and methods and wound dressings for breaching a drape after coupling a wound dressing to a fluid-instillation and/or NPWT apparatus. | 01-15-2015 |
20150025485 | FLUID VOLUME MEASUREMENT USING CANISTER RESONANCE FOR REDUCED PRESSURE THERAPY SYSTEMS - A wound fluid collection system includes a canister adapted to collect bodily fluids from a tissue site. The canister includes an acoustic transducer adapted and positioned to insonify a cavity within the canister, the cavity being defined by a wall of the canister and the bodily fluids collected within the canister. A resonant frequency may be calculated based on a resulting received signal from the insonification. The resonant frequency may indicate a volume of the cavity within the canister. The difference between a known volume of the canister and the calculated volume of the cavity provides the volume of bodily fluid collected in the canister. | 01-22-2015 |
20150051561 | MANUALLY-ACTUATED REDUCED PRESSURE TREATMENT SYSTEM HAVING REGULATED PRESSURE CAPABILITIES - A reduced pressure treatment apparatus includes a charging chamber storing a first pressure less than an ambient pressure and a regulated chamber storing a second pressure less than the ambient pressure. The first pressure is less than the second pressure. A conduit provides fluid communication between the regulated chamber and the charging chamber. A regulator member is operably associated with the conduit to prevent fluid communication through the conduit when the second pressure is less than or equal to a desired therapy pressure and to allow fluid communication through the conduit when the second pressure exceeds the desired therapy pressure. | 02-19-2015 |
20150073358 | DRESSING AND METHOD FOR APPLYING REDUCED PRESSURE TO AND COLLECTING AND STORING FLUID FROM A TISSUE SITE - A reduced pressure treatment system includes a reduced pressure source and a reduced pressure dressing. The dressing includes an interface layer adapted to be positioned at a tissue site and an absorbent layer in fluid communication with the interface layer to absorb liquid from at least one of the interface layer and the tissue site. A diverter layer is positioned adjacent the absorbent layer, and the diverter layer includes a plurality of apertures in fluid communication with the absorbent layer to distribute a reduced pressure to the absorbent layer. A cover is positioned over the diverter layer to maintain the reduced pressure at the tissue site. | 03-12-2015 |
20150073361 | NEGATIVE PRESSURE THERAPY WITH DYNAMIC PROFILE CAPABILITY - An apparatus and system for fluidly connecting a reduced-pressure source to a dressing and a method for manufacturing and using the same include a base having an aperture and a wall having a peripheral portion coupled to the base. The wall may form a cavity in fluid communication with the aperture. The apparatus also may include a conduit port fluidly coupled to the cavity and adapted to receive a conduit. The base may be adapted to couple to the dressing, and the wall may be adapted to collapse from a first position to a second position in response to a supply of reduced pressure from the reduced-pressure source. | 03-12-2015 |
20150088033 | APPARATUSES AND METHODS FOR INLINE COLLECTION OF A FLUID SPECIMEN - A collection fitting, system, and method for sampling fluid from a tissue site is described. The collection fitting includes a switch fitting having a first passage and a second passage. The collection fitting also includes a bypass switch coupled to the switch fitting. The bypass switch is operable to fluidly couple the first passage and the second passage through the bypass switch. The bypass switch is also operable to fluidly couple the first passage and the second passage through a specimen container. | 03-26-2015 |
20150088034 | APPARATUSES AND METHODS FOR INLINE COLLECTION OF A FLUID SPECIMEN - A collection fitting, system, and method for sampling fluid from a tissue site is described. The collection fitting includes a housing having a central passage, a first union, and a second union. The first union and the second union are in fluid communication with the central passage. The collection fitting also includes a plunger disposed in the housing and movable between a sampling position and a bypass position. The plunger includes a bypass passage configured to fluidly couple the first union and the second union through the central passage in the bypass position. The collection fitting also includes a cap having a boss configured to be inserted into the central passage. The boss includes a first inlet and a second inlet and inserts into the central passage to move the plunger. The first and second inlet fluidly couple the first union and the second union in the sampling position. | 03-26-2015 |
20150088035 | APPARATUSES AND METHODS FOR INLINE COLLECTION OF A FLUID SPECIMEN - An apparatus, system, and method for sampling a fluid from a tissue site is described. The system includes a collection fitting, a reduced-pressure source, and a specimen container. The collection fitting includes a tee-fitting having a first arm having a first union, a second arm having a second union, and a third arm. At least one lumen extends through the tee-fitting from the first arm to the third arm, and at least one lumen extends through the tee-fitting from the second arm to the third arm. A container union is coupled to the third arm. The reduced-pressure source is configured to be fluidly coupled to the first union, and the specimen container is configured to be coupled to the container union. | 03-26-2015 |