| 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 |
| 20090216170 | SYSTEM AND METHOD FOR HEALING A WOUND AT A TISSUE SITE - Provided herein is a system and method for facilitating removal of a drape from a tissue site. One aspect provides a system comprising a drape, and adhesive layer, and a release agent, where the system is adapted to be coupled to a tissue site and released therefrom upon or after exposure to an external stimulus. Another aspect provides a method for application and removal of a drape using less force than required with a conventional drape. | 08-27-2009 |
| 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 |
| 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 |
| 20100160876 | 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 | 06-24-2010 |
| 20100305490 | 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 non-motor-driven pump is in fluid communication with the absorbent layer to deliver a reduced pressure to the tissue site. A cover is positioned over the non-motor-driven 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 non-motor-driven pump to inhibit liquid from entering the non-motor-driven pump. | 12-02-2010 |
| 20100305526 | REDUCED-PRESSURE TREATMENT SYSTEMS AND METHODS EMPLOYING HYDROGEL RESERVOIR MEMBERS - A reduced-pressure treatment system for treating a tissue site of a patient, the system includes a manifold pad for disposing proximate the tissue site. The manilfold pad includes a hydrogel reservoir member and a manifold member. The hydrogel reservoir member is adapted to receive and store fluid from the tissue site at a first pressure and adapted to release at least a portion of the fluid at a second pressure. The first pressure is greater than the second pressure on an absolute pressure scale. The system also includes a sealing drape for placing over the tissue and manifold pad. The sealing drape forms a fluid seal over the tissue and manifold pad. A reduced-pressure subsystem delivers reduced pressure to the sealing drape. Other systems, apparatuses, and methods are disclosed. | 12-02-2010 |
| 20110015595 | 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. | 01-20-2011 |
| 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 |
| 20110066123 | MEDICAL DRESSINGS, SYSTEMS, AND METHODS EMPLOYING SEALANTS - According to an illustrative embodiment, a system for treating a wound at a tissue site of a patient comprising a reduced-pressure source to supply reduced pressure, a drape adhering to the tissue site to cover the wound where possible leak passages between the drape and the tissue site may occur, and a seal disposed between the drape and the tissue site, is disclosed. The seal is adapted to react with a fluid to form a sealant substantially filling the passages in response to air leaking through the passages from outside the drape when reduced pressure is applied to the wound. According to another illustrative embodiment, a method for sealing a drape to a tissue site for treating a wound at the tissue site comprising applying the drape to cover the tissue site whereby passages are formed between the drape and the tissue site, positioning a seal between the drape and the tissue site wherein the seal is adapted to react with a fluid to form a sealant for substantially filling the passages, is also disclosed. | 03-17-2011 |
| 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 |
| 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 |
| 20110184357 | DEVICES, SYSTEMS, AND METHODS FOR INSTILLATION OF FOAMED FLUID WITH NEGATIVE PRESSURE WOUND THERAPY - Systems and methods for delivering a foamed fluid to a wound of a patient (e.g., through a wound dressing covering the wound and coupled to the skin around the wound). | 07-28-2011 |
| 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 |
| 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 |
| 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 |
| 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 |
| 20110319753 | SYSTEMS AND METHODS FOR IMAGING SINUSES - Systems, devices, and methods for imaging a sinus in a patient involving a through sinus are presented. In one instance, a system includes a radiopaque wound filler for disposing into the through sinus. The system further includes a radiopaque solution for deploying into the sinus, and a radiopaque solution unit having a radiopaque solution reservoir and a positive pressure source. Other systems, devices, and methods are presented. | 12-29-2011 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 20120209226 | REDUCED-PRESSURE DRESSINGS, SYSTEMS, AND METHODS FOR USE WITH LINEAR WOUNDS - Systems, methods, and dressings for treating a linear wound, such as an incision, on a patient are presented. The systems, dressings, and methods include a sealing ring that helps form a fluid seal around the linear wound. In one instance, a sealing material is extruded around the linear wound to help form a seal. In another instance, a sealing ring is coupled to a lower portion of a dressing bolster to form a seal. Other systems, methods, and apparatuses are disclosed. | 08-16-2012 |
| 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 |
| 20120330253 | REDUCED-PRESSURE DRESSINGS EMPLOYING TISSUE-FIXATION ELEMENTS - A reduced-pressure system for treating a tissue site on a patient includes a distribution manifold that adheres to a tissue site to allow retention without external support. The distribution manifold includes a porous member and a tissue-fixation element. The tissue-fixation element maintains the porous member substantially adjacent to the tissue site while a sealing member is applied. In one instance, the tissue-fixation element is a soluble adhesive that partially covers either the tissue-facing side of the porous member or a tissue-facing side of a fluid-permeable substrate layer that is on the tissue-facing side of the porous member. Other systems, distributions manifolds, and methods 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 20130150815 | SYNTHETIC GRANULATING GAUZE FOR USE WITH REDUCED-PRESSURE TREATMENT SYSTEMS - A manifold member for use in applying reduced pressure to a tissue site on a patient looks or feels like medical cotton gauze but has a plurality of plurality of interlocking synthetic fibers and a plurality of asperities that provide enhanced performance. Other manifold members, systems, and methods are disclosed. | 06-13-2013 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 20130324951 | 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. | 12-05-2013 |
| 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 |
| 20140012215 | SYSTEMS, METHODS, AND DEVICES FOR TREATING A TISSUE SITE ON A MAMMAL HAVING HAIR PROXIMATE THE TISSUE SITE - Systems, methods, and devices are presented for treating a tissue site and managing hair proximate the tissue site. A composition is provided for inhibiting, removing, or weakening hair proximate the tissue site and for providing an improved fluid seal by a flexible film drape over the tissue site. In some example embodiments, a hair-modification agent is disposed at least proximate a peripheral edge of a treatment manifold between a drape and epidermis proximate a tissue site. The hair-modification agent can be configured to flow over imperfections on the epidermis and to form a fluid seal against the epidermis, and can further be configured to at least substantially weaken hair on the epidermis as the hair encounters the hair-modification agent. | 01-09-2014 |
| 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 |
| 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 |
| 20140114264 | MEDICAL DRESSINGS, SYSTEMS, AND METHODS EMPLOYING SEALANTS - According to an illustrative embodiment, a system for treating a wound at a tissue site of a patient comprising a reduced-pressure source to supply reduced pressure, a drape adhering to the tissue site to cover the wound where possible leak passages between the drape and the tissue site may occur, and a seal disposed between the drape and the tissue site, is disclosed. The seal is adapted to react with a fluid to form a sealant substantially filling the passages in response to air leaking through the passages from outside the drape when reduced pressure is applied to the wound. According to another illustrative embodiment, a method for sealing a drape to a tissue site for treating a wound at the tissue site comprising applying the drape to cover the tissue site whereby passages are formed between the drape and the tissue site, positioning a seal between the drape and the tissue site wherein the seal is adapted to react with a fluid to form a sealant for substantially filling the passages, is also disclosed. | 04-24-2014 |
| 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 |
| 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 |
| 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 |
| 20140188060 | MOISTURE ABSORBING SEAL - A sealing drape may be suitable for use with a reduced-pressure treatment system for treating a tissue site. The sealing drape may have an interior surface adapted for positioning adjacent to a peripheral surface of the tissue site. The sealing drape may include a sealing material and an absorbent material. The sealing material may be hydrophobic and substantially free of hydrophilic components. Further, the sealing material may be positioned between the interior surface of the sealing drape and the absorbent material. The sealing drape may be used with a manifold for positioning at the tissue site, a reduced-pressure interface, and a reduced-pressure source. Methods of manufacture and treatment are also disclosed. | 07-03-2014 |
| 20140188061 | RECHARGING NEGATIVE-PRESSURE WOUND THERAPY - A system is illustratively described herein that generally comprises a vacuum chamber, an ambient pressure chamber, a valve configured for unidirectional flow from the vacuum chamber to the ambient pressure chamber during a charging stroke, and a liquid filter configured to retain liquid in the pump. In some embodiments, the liquid filter is configured to retain liquid in the vacuum chamber during the charging stroke. In other embodiments, it may be configured to retain liquid in the ambient pressure chamber during an operating stroke. In more particular embodiments, a piston may be disposed between the vacuum chamber and the ambient pressure chamber, a passage may fluidly couple the vacuum chamber and the ambient pressure chamber, and the valve can be configured to control fluid flow through the passage. Additionally, a lumen may couple the vacuum chamber to a dressing to deliver negative pressure to the dressing in some illustrative embodiments. | 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 |
| 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 |
| 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 |
| 20140276275 | COMPRESSION BANDAGE HAVING AN INTEGRATED STRAIN GAUGE - A compression therapy apparatus and a method for manufacturing and applying compression with the same may include a bandage and a tension indicator coupled to the bandage. A tension indicator may include a film having layers of liquid crystal droplets deposited on a polymer matrix. The tension indicator can b adapted to color shift under tension between the first end and the second end of the bandage. | 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 |
| 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 |
| 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 |
| 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 |
| 20140336601 | 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. | 11-13-2014 |
| 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 |
| 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 |
| 20150057624 | DRESSING INTERFACE WITH MOISTURE CONTROLLING FEATURE AND SEALING FUNCTION - Provided are systems, dressings, and methods suitable for treating a tissue site, such as an incision or linear wound. The systems, dressings, and methods relate to a dressing assembly that may include a dressing bolster and a sealing ring. The sealing ring may be adapted to provide a fluid seal around the tissue site, and to absorb fluids from the tissue site. In some embodiments, the sealing ring may be extruded around the tissue site. In other embodiments, the sealing ring may be coupled to the dressing bolster. Other systems, apparatuses, and methods are disclosed. | 02-26-2015 |
| 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 |
