Class / Patent application number | Description | Number of patent applications / Date published |
604320000 | Having vacuum shutoff means (e.g., float valve, etc.) | 19 |
20080281283 | SYSTEM FOR DISPOSAL OF FLUIDS - A system for disposing of body fluids collected during surgery comprises a canister and an apparatus for emptying and cleaning the canister. The canister has a lid having an inlet port to receive body fluids during surgery and for insertion of a cleaning fluid sprayer during servicing, an outlet port with a suction tube extending into the canister for removal of fluids therefrom, and a vacuum port for the application of vacuum to the canister. The servicing unit is an appliance having a receiving compartment in which the canister is placed. A connector head in the servicing unit connects the canister to a source of cleaning fluid and to a conduit for evacuating the fluids in the canister through the suction tube and to a decontamination chamber, where they are brought into contact with a disinfecting fluid, and subsequently to a drain. | 11-13-2008 |
20090012485 | Fluid collection and disposal system having interchangeable collection and other features and methods relating thereto - Various implementations of a fluid collection system having a flexible liner are disclosed. In one exemplary variation, the fluid collection system may include a container having a top opening, a lid configured to close the top opening, and a flexible liner attached to the lid. The liner may be interposed between the lid and the container when the lid closes the top opening. The liner and the lid may define a substantially sealed interior space therebetween. The lid may include an access port through which the interior space receives fluid. The flexible liner may also be configured to controllably collapse as the fluid is removed from the interior space. | 01-08-2009 |
20090030385 | Disposable apparatus that includes a shutoff valve mechanism and a hose anchoring mechanism for suction devices and the like - A disposable shutoff valve apparatus used in conjunction with a surgical suction device having a suction nozzle for stopping the suction action and muffling the noise from the suction device during surgery. The apparatus includes an upper portion, a base portion and a flexible member. The base portion can be securely attached to a surgical drape around a patient during surgery or other stationary object. The suction nozzle of the suction device can be inserted into and through the open end of the suction chamber and passes through the upper retaining member such that the suction nozzle pulls the flexible member toward itself, and thereby the flexible member stops the suction action of the suction nozzle and muffles the noise from the suction nozzle of the suction device and further simultaneously grips the suction device within the suction chamber. | 01-29-2009 |
20090082741 | Combo suction regulator for medical use - A combo suction regulator for medical use which comprises a cover (casing), a vacuum gauge, a regulating module, a integrated flow channel module, an intermittent timer regulating means, a mode select switch, a vacuum relief and air buffer, wherein a flow channel board and a bottom board coupled with each other to form the integrated flow channel module; the air buffer are disposed inside the casing on the board surface of the flow channel board which forms part of the integrated flow channel module, and tow holes disposed at a bottom part thereof for communicating corresponding flow channels of the integrated flow channel module; a sleeve seat is disposed at the center for installing vacuum gauge. The probe/adapter port is used to input of vacuum source and needle vales are used to timer adjusting in the bottom board at a middle part thereof; the flow channel board has a pole on a front side thereof for installing the mode select switch, and channel holes for communicating with flow channels on the flow channel board thereof; in a lower part of the flow channel board, an sleeve seat is disposed for installing the regulating module, which communicates with a flow channel on the flow channel board and adjusts the output vacuum; the fitting port is used to output of the suction regulator and disposed the bottom side. The intermittent timer module comprises the diaphragm piston disposed on one side and the change valve disposed on another side of the middle part of the front side of the flow channel board. | 03-26-2009 |
20090105674 | SNIVEL ASPIRATOR - A snivel aspirator includes a bottle and a snivel aspirator main body. The bottle has a bottle lid having an air-aspirating tube communicating with the bottle and having a non-return valve. The bottle lid further has an air-sucking tube communicating with the bottle and disposed with an air-valve switch. The snivel aspirator main body connected with the air-sucking tube of the bottle has a filth-collecting box and an air-outgoing passageway communicating with the air-sucking tube of the bottle by a connecting tube, disposed with an air-valve press button fixed with an insert rod having a spring fitted thereon and having its lower end secured with a clogging block facing the air-outgoing passageway. The snivel aspirator main body has another side provided with a snivel-aspirating tube communicating with the filth-collecting box. | 04-23-2009 |
20090275905 | Canister having fluid flow control - A canister for use with a medical suction or aspiration device has a first fluid chamber and a second fluid chamber. The first fluid chamber has an inlet. The second fluid chamber has an outlet port. A splash baffle is disposed between the first fluid chamber and the second fluid chamber. The splash baffle has an aperture formed therethrough to allow for fluid flow from the first fluid chamber to the second fluid chamber. An absorbent valve having voids is disposed within the second fluid chamber and engages a portion of the outlet port. The absorbent valve restricting fluid permeability upon contact with fluid from the first fluid chamber to restrict fluid flow through the outlet port. | 11-05-2009 |
20100174251 | REDUCED PRESSURE WOUND TREATMENT SYSTEM - A reduced pressure treatment appliance is provided for treating a wound on the body of a patient. In some embodiments, the appliance comprises a cover, which can have a top cup member and an interface member. The interface member can have flow control means, configured to permit exudate from the wound to flow through the flow control means into the volume under the cover, but not in the opposite direction. Also, in some embodiments, the top cup member can have a lid member, a cup body member, and lid attachment means to removably attach the lid member to the cup body member. In some embodiments, the cover can be configured to facilitate access to the wound for monitoring, treatment and other purposes without removing the cover from the body. The wound treatment appliance can have a vacuum system to supply reduced pressure to the site of the wound in the volume under the cover. A suction bulb can he used lo provide a source of reduced pressure to the cover. Additionally, methods are provided for using various embodiments of the treatment appliance. | 07-08-2010 |
20100198175 | PORTABLE DRAINAGE SYSTEM WITH INCORPORATED SUCTION - A drainage system comprising a portable ergonomic carrier, the carrier further comprising at least one electric motor which moves a moving member that is powered by at least one battery and that is commanded by at least one electronic driver. The drainage system also includes a disposable collector that comprises at least one suction mechanism or pump that is adapted to receive said moving member and this collector also includes a least one valve mechanism and at least one filter mechanism. The collector forms at least one collecting chamber and is engagingly mated and coupled demountably into the portable ergonomic carrier. | 08-05-2010 |
20100268180 | TEST APPARATUS - A method and apparatus and an adapter device for testing the integrity of a dressing applied to a wound for the purpose of applying topical negative pressure therapy to that wound are described, the method comprising the steps of: applying a dressing to the wound so as to create a sealed cavity over the wound, the cavity having an aspiration conduit operably connected thereto for the purpose of creating a vacuum in the cavity; providing adapter device means to a liquid scalpel so as to create a substantially closed volume around a region in which a water jet exists in operation of the water scalpel; connecting a free end of the aspiration conduit to the closed volume formed by the adapter device means on the scalpel; and, using a vacuum created by a venturi effect of the liquid jet in the closed volume to create a vacuum in the dressing cavity. | 10-21-2010 |
20110028921 | PORTABLE WOUND THERAPY APPARATUS AND METHOD - Methods and apparatuses are disclosed for providing topical negative pressure to a wound. One such apparatus comprises a waste canister for collecting and holding wound exudate and at least one pump arranged to urge wound exudate along a flow path from the wound to the waste canister. The pump can be further configured to deliver a single factory set pressure. Accordingly, the pressure delivered to the wound would be determined by the pressure set for the pump along with the parameters associated with the flow path, such as whether a leak or a blockage occurs. | 02-03-2011 |
20110046585 | REDUCED PRESSURE TREATMENT SYSTEM - A wound treatment apparatus is provided for treating tissue damage, which comprises a fluid impermeable wound cover sealed over a site for purposes of applying a reduced pressure to the site. The apparatus also includes a cover with protrusions on its surface for purposes of monitoring pressure at the site. An absorbable matrix may be placed in the site of a wound to encourage tissue growth into the matrix. Temperature of the site may be monitored using a layer of temperature sensitive material and temperature sensors connected to an alarm and recording device. A vacuum pump supplies suction within the wound cover over the treatment site. A portable version of the wound treatment apparatus is also provided. Finally, a method for treating wounds using reduced pressure is provided. | 02-24-2011 |
20110257614 | VACUUM SURGE SUPPRESSOR FOR SURGICAL ASPIRATION SYSTEMS - An apparatus and method to suppress vacuum surges in a surgical aspiration system is disclosed and claimed. A vacuum surge suppressor includes a first fluid path for coupling to a surgical instrument, and a filter attached to the first fluid path. A flow restrictor is coupled to the filter with the filter disposed upstream of the flow restrictor. The filter defines a filter longitudinal axis that may be oriented vertically with respect to gravity, so that a downstream direction at the filter is upwards. The vacuum surge suppressor also includes a second fluid path for coupling to a vacuum pump. The second fluid path is connected to the flow restrictor and disposed downstream of the flow restrictor. A third fluid path is coupled to the filter and is connected to the second fluid path, bypassing the flow restrictor. A valve in the third fluid path selectively obstructs or permits flow in the third fluid path. | 10-20-2011 |
20130102980 | WOUND DRAINAGE CONTROL APPARATUS - A wound drainage device flow regulator ( | 04-25-2013 |
20130144235 | Portable Negative Pressure Wound Therapy Device - A portable NPWT system includes a dressing assembly for positioning over a wound to apply a negative pressure to the wound and a canister assembly. The canister assembly includes a control unit having a vacuum source and a controller and a collection canister in communication with the dressing assembly operable to receive fluid from the wound. The collection canister has ports to introduce a vacuum from the vacuum source into the collection canister. A ball float is provided to substantially close the suction port in response to one of collection of a predetermined volume of exudate in the collection canister, tilting of the collection canister beyond a predetermined angle of orientation or inversion of the collection canister. | 06-06-2013 |
20130289504 | PORTABLE VACUUM DEVICE - A portable vacuum device including: a source of liquefied gas; a gas operated vacuum generator having a vacuum inlet; a valve for controlling flow of gas from the source to the vacuum generator; a suction tube having proximal and distal ends; a collection container having an outlet coupled to the vacuum inlet of the vacuum generator and an inlet coupled to the proximal end of the suction tube, the arrangement being such that when said valve is opened the vacuum generator creates a vacuum in the container and at the distal end of the suction tube. | 10-31-2013 |
20130289505 | NEGATIVE PRESSURE WOUND THERAPY SYSTEM - A negative pressure wound therapy system creates a negative pressure environment in the opening of a wound-dressing unit and a positive pressure environment in the collecting bag. Then a positive pressure detecting procedure is proceeded in the positive pressure environment and a negative pressure detecting procedure is proceeded in the negative pressure environment. The detecting results are sent to determine whether a micro pump is stopped. | 10-31-2013 |
20130296816 | NEGATIVE PRESSURE DEVICE - A method and apparatus are disclosed for providing negative pressure at a wound site. The apparatus includes a suction pump for generating negative pressure, a negative pressure reservoir, a valve element arranged to selectively provide a fluid communication path between the reservoir and the wound site while a negative pressure in the negative pressure reservoir is greater than a threshold negative pressure, to thereby provide a desired negative pressure at the wound site, and wherein in response to a pressure in the negative pressure reservoir decreasing to the threshold negative pressure, the suction pump is operable to re-establish an initial negative pressure in the negative pressure reservoir. | 11-07-2013 |
20150065969 | DIGITAL PRESSURE GAUGE - A vacuum pressure regulator system is provided for use in association with a vacuum system in which a vacuum is employed for healthcare purposes, for assisting in monitoring and regulating the vacuum pressure, and having a manual pressure control valve to adjust the treatment vacuum pressure supplied to the patient, a vacuum pressure sensor to sense the treatment vacuum pressure for the patient in the system, and producing a treatment vacuum pressure signal, a sampling circuit which intermittently samples the pressure signal generated by the pressure sensor and generate sampling signals, an electrically powered pressure display circuit, and digital pressure display, for receiving the sampling signals and providing a visible display, and a non-mains power supply. | 03-05-2015 |
20150141943 | DRAINAGE CONTAINER DEVICE AND SUCTION BAG UNIT - A drainage container device for collecting suctioned bodily fluids by means of a vacuum source includes a drainage container with a suction port to be connected with the vacuum source; an essentially one-piece container lid for closing and opening the drainage container, and with a drainage port to be connected with a patient drainage line; a suction bag for holding the suctioned bodily fluid, which is arranged on the container lid and accommodated by the drainage container; a channel that runs at least partially through the container lid, which joins an interior space of the suction bag with the suction port by way of an interior space of the drainage container, and is otherwise closed, and a protective element, in particular a filter, for avoiding overflow and/or contamination of the vacuum source by a suctioned bodily fluid. | 05-21-2015 |