Patent application number | Description | Published |
20080294147 | DEVICE FOR TREATING A WOUND - A medical device that seals a wound and facilitates wound drainage with suction is provided. In one exemplary embodiment, the device comprises a suction portion, having both an inlet valve and an outlet valve, for suctioning fluids from the wound, and a sealing portion for sealing the wound by engaging the skin adjacent the wound, the suction portion and sealing portion being integral with one another. A method for draining a wound comprises the steps of under-packing the wound with a packing material; sealing the wound; and applying suction to the wound to promote wound drainage and to promote intimate contact between the wound and the packing material. | 11-27-2008 |
20090005744 | SYSTEM FOR TREATING A WOUND WITH SUCTION AND METHOD OF DETECTING LOSS OF SUCTION - A system for applying suction to a wound uses a reference airflow for monitoring system operation. A reference airflow (or “controlled leak”) to the suction source is provided when the system is in operation, such that deviation from the reference airflow can be monitored as an indication of a change in operation, such as a leak in the seal of the wound cover, a blockage of airflow from crimping of the suction conduit or overfill of the waste collector, or an inadvertent turn off or disconnect from the suction source. | 01-01-2009 |
20090012501 | SYSTEM FOR SUCTION-ASSISTED WOUND HEALING - A system for treating a wound with suction is provided. The system comprises a wound cover, a pump having an input port and an output port, the input port providing suction to the wound via the wound cover, and a reservoir coupled to the output port of the pump. The reservoir is adapted to receive effluent from the wound and the pump is capable of maintaining a controlled level of suction at the wound. | 01-08-2009 |
20090088708 | METHOD FOR TREATING A WOUND - A method for treating a wound with sutures is disclosed. One method includes placing the body and shaft of the device within a cavity of the wound; attaching a first end of at least one suture to a first side of the wound; passing a second end of the at least one suture through the body and coupling it to the shaft; attaching a second end of the at least one suture to the second side of the wound; and rotating the shaft with respect to the body to pull the first side of the wound and the second side of the wound toward one another. | 04-02-2009 |
20090131892 | TUBE ATTACHMENT DEVICE FOR WOUND TREATMENT - The invention provides a vacuum tube attachment device for vacuum assisted wound dressings. The device is in the form of a patch that can be attached to the primary wound cover. The patch forms a substantially air-tight seal to the primary wound cover, and a vacuum tube is fixed to the patch such that the patch can be oriented on the wound cover to locate the tube near an opening in the cover to allow vacuum pressure to be communicated to the wound. The patch has an adhesive area around its perimeter for attaching the patch in a substantially air-tight seal to the wound cover at any convenient location on the cover. Several embodiments of the patch are described. | 05-21-2009 |
20090137973 | SYSTEM FOR TREATING A WOUND WITH SUCTION AND METHOD OF DETECTING LOSS OF SUCTION - A system for applying suction to a wound uses a reference airflow for monitoring system operation. A reference airflow (or “controlled leak”) to the suction source is provided when the system is in operation, such that deviation from the reference airflow can be monitored as an indication of a change in operation, such as a leak in the seal of the wound cover, a blockage of airflow from crimping of the suction conduit or overfill of the waste collector, or an inadvertent turn off or disconnect from the suction source. | 05-28-2009 |
20090287129 | METHOD OF TREATING A WOUND UTILIZING SUCTION - A therapeutic device for promoting the healing of a wound in a mammal is disclosed. An exemplary device comprises a permeable structure having a plurality of depressions formed in a surface thereof. In use, the surface having the depressions is disposed adjacent a surface of the wound. A method of treating a wound comprises the steps of providing a permeable structure comprising a plurality of randomly disposed fibers and having i) a plurality of wound surface contact elements disposed between end portions of the structure, and ii) a plurality of voids defined by the contact elements; and applying the permeable structure to at least one surface of the wound. | 11-19-2009 |
20100022990 | PUMP SYSTEM FOR NEGATIVE PRESSURE WOUND THERAPY AND IMPROVEMENTS THEREON - A wound therapy system is provided which includes at least one sensor placed in a wound for sensing information regarding status of a body of a living being, and a communication link for electronically passing the information regarding the at least one sensor to a controller. A method for providing wound therapy is also provided which includes the steps of providing at least one sensor, each sensor placed in a wound, sensing information regarding status of a body of a living being utilizing the at least one sensor, and passing the information from the at least one sensor to a controller, via a communication link, between the at least one sensor and the controller. | 01-28-2010 |
20100145290 | MEDICAL SUCTION CONTROL WITH ISOLATION CHARACTERISTICS - A suction regulator for controlling a level of negative pressure in a system in which compensatory clean airflow is used to isolate a control device for regulating suction delivered to a patient is disclosed. The regulator comprises an inlet; an outlet; a controller for controlling the suction delivered to the inlet; and a barrier for isolating the controller from the inlet. | 06-10-2010 |
20100318046 | WOUND PACKING MATERIAL FOR USE WITH SUCTION - A wound packing for use with suction is provided. The wound packing comprises a plurality of nonabsorbent synthetic polymeric fibers coupled together to form a nonabsorbent material suitable for placement in the wound of a mammal. A method for treating the wound in a mammal using the disclosed wound packing is also provided. | 12-16-2010 |
20110077605 | PUMP SYSTEM FOR NEGATIVE PRESSURE WOUND THERAPY - A pump system for applying negative pressure to a wound, including a flow monitor capable of detecting a deviation from a reference airflow rate provided by a controlled leak to determine whether the system is operating normally or abnormally, and a flow status annunciator to indicate a normal operating condition or whether an abnormal condition is a leak or an occluded line in the system. The pump system further includes a pressure controller for regulating operation of a pump to control pressure in the system at a range around a user-selected setpoint. The pump system may also include a waste collector and a level sensor for detecting when the collector is full. | 03-31-2011 |
20110270202 | GROWTH STIMULATING WOUND DRESSING WITH IMPROVED CONTACT SURFACES - A wound contact device comprising a permeable material and a wound contact layer having voids extending through the contact layer to a depth in the permeable material. The wound contact layer can comprise a thin sheet or film forming a generally flat and smooth wound contact surface having essentially no discontinuities or gaps. The wound contact layer can comprise a thin sheet of highly calendered fabric forming a wound contact surface having a mean surface roughness in the range of about 0 microns to about 200 microns. In progressive wound healing, an embodiment of the wound contact device having the fabric contact surface is used in earlier healing stages and an embodiment of the wound contact device with film contact surface is used in later healing stages. The wound contact device is particularly useful in wound dressings for use in suction-assisted wound therapy. | 11-03-2011 |
20110282310 | SYSTEM FOR SUCTION-ASSISTED WOUND HEALING - A system for treating a wound with suction is provided. The system comprises a wound cover, a pump having an input port and an output port, the input port providing suction to the wound via the wound cover, and a reservoir coupled to the output port of the pump. The reservoir is adapted to receive effluent from the wound and the pump is capable of maintaining a controlled level of suction at the wound. | 11-17-2011 |
20110284149 | TUNNEL DRESSING FOR USE WITH NEGATIVE PRESSURE WOUND THERAPY SYSTEM - A tunnel dressing for use in treating a tunneling wound using negative pressure wound therapy. The tunnel dressing includes an elongate permeable member having a closed distal end for entering the wound and an open proximal end into which an applicator is removably disposed for guiding the dressing into the wound. The tunnel dressing has a support structure adapted to transport wound exudates away from the wound and to resist compression under suction. The tunnel dressing also has a wound contact surface adapted to minimize tissue entanglement to facilitate removal. The support structure and wound contact surface may be formed from the same material or from two adjacent layers of different material. | 11-24-2011 |
20120001366 | METHOD OF MANUFACTURING A DRESSING - A therapeutic device for promoting the healing of a wound in a mammal is disclosed. An exemplary device comprises a permeable structure having a plurality of depressions formed in a surface thereof. In use, the surface having the depressions is disposed adjacent a surface of the wound. A method of manufacturing a therapeutic device for promoting the healing of a wound in a mammal comprising the steps of providing a permeable substrate, and forming a plurality of depressions into a surface of the permeable substrate to provide the therapeutic device. A method of treating a wound comprises: providing a permeable structure comprising a plurality of randomly disposed fibers and having i) a plurality of wound surface contact elements disposed between end portions of the structure, and ii) a plurality of voids defined by the contact elements; and applying the permeable structure to at least one surface of the wound. | 01-05-2012 |
20120238972 | MEDICAL SUCTION DEVICES AND METHODS OF USE - Devices for controlling the level of suction to a patient in a hospital suction collection system are disclosed. The hospital collection system includes a conduit arranged to be coupled to the patient and a wall plate coupled to a source of suction and to which the device will be connected. The device includes a plastic body, an inlet portion, an outlet portion and a regulator for sensing and controlling the level of suction applied to the inlet portion. Means may be provided for ensuring that when the device is subjected to excessive mechanical force it operates in a predetermined manner, e.g., fails or pulls out of the wall plate. The device may includes means to ensuring that after it is disconnected from the wall plate it cannot be reconnected to it and a fluidic dampening system to dampen oscillatory vibrations. | 09-20-2012 |
20120277646 | WOUND DRESSING WITH A DISCONTINUOUS CONTACT LAYER SURFACE - A therapeutic device for promoting the healing of a wound in a mammal is disclosed. An exemplary device comprises a permeable structure having a plurality of depressions formed in a surface thereof. In use, the surface having the depressions is disposed adjacent a surface of the wound. A method of manufacturing a therapeutic device for promoting the healing of a wound in a mammal comprising the steps of providing a permeable substrate, and forming a plurality of depressions into a surface of the permeable substrate to provide the therapeutic device. A method of treating a wound comprises: providing a permeable structure comprising a plurality of randomly disposed fibers and having i) a plurality of wound surface contact elements disposed between end portions of the structure, and ii) a plurality of voids defined by the contact elements; and applying the permeable structure to at least one surface of the wound. | 11-01-2012 |
20120289915 | SYSTEM FOR TREATING A WOUND WITH SUCTION AND METHOD OF DETECTING A LOSS OF SUCTION - A system for applying suction to a wound is provided, including a suction source for providing suction to a conduit operatively associated with the wound to communicate suction to the wound, a vent in fluid communication with the conduit to provide a reference airflow into the conduit when the system is in operation, such that a loss of suction at the wound is indicated by deviation from the reference airflow, and a waste collector canister between the wound and the suction source for collecting liquids aspirated from the wound, wherein the canister includes one or more disks containing gelling agent. | 11-15-2012 |
20130035652 | TUNNEL DRESSING FOR USE WITH NEGATIVE PRESSURE WOUND THERAPY SYSTEM - A tunnel dressing for use in treating a tunneling wound using negative pressure wound therapy. The tunnel dressing includes an elongate permeable member having a closed distal end for entering the wound and an open proximal end into which an applicator is removably disposed for guiding the dressing into the wound. The tunnel dressing has a support structure adapted to transport wound exudates away from the wound and to resist compression under suction. The tunnel dressing also has a wound contact surface adapted to minimize tissue entanglement to facilitate removal. The support structure and wound contact surface may be formed from the same material or from two adjacent layers of different material. | 02-07-2013 |
20130296815 | WOUND PACKING MATERIAL FOR USE WITH SUCTION - A wound packing for use with suction is provided. The wound packing comprises a plurality of nonabsorbent synthetic polymeric fibers coupled together to form a nonabsorbent material suitable for placement in the wound of a mammal. A method for treating the wound in a mammal using the disclosed wound packing is also provided. | 11-07-2013 |
20140148731 | GASTRIC SIZING SYSTEMS INCLUDING INSTRUMENTS FOR USE IN BARIATRIC SURGERY - Systems and methods for effecting bariatric procedures are disclosed. Each system includes an instrument, a control valve and, optionally, a suction controller. The instrument is in the form of an elongated, flexible sizing tube having a distal end portion including a plurality of apertures. The control valve enables suction to be applied to the patient's stomach via the apertures to drain gastric fluids and to bring adjacent portions of the patient's stomach into engagement with the sizing tube to provide a visually perceptible delineation line along which a portion of the stomach may be resected, sealed and tested. | 05-29-2014 |
20140336602 | SYSTEM FOR TREATING A WOUND WITH SUCTION AND METHOD OF DETECTING A LOSS OF SUCTION - A system for applying suction to a wound is provided, including a suction source for providing suction to a conduit operatively associated with the wound to communicate suction to the wound, a vent in fluid communication with the conduit to provide a reference airflow into the conduit when the system is in operation, such that a loss of suction at the wound is indicated by deviation from the reference airflow, and a waste collector canister between the wound and the suction source for collecting liquids aspirated from the wound, wherein the canister includes one or more disks containing gelling agent. | 11-13-2014 |
20150088068 | SUCTION REGULATOR HAVING FOUR MODES OF OPERATION - A suction regulator arranged to be coupled to a source of partial vacuum and a patient circuit and which is operative in four modes is disclosed. A first mode isolates the source of partial vacuum from the patient. A second mode provides continuous regulated suction to the patient. A third mode provides intermittent regulated suction to the patient. The fourth mode provides unregulated full suction to the patient. The regulator includes a movable control knob for establishing the first, second, third and fourth modes and a detent mechanism holding the control knob in the position to select the desired mode. An interlock is also provided to prevent the control knob from being accidentally moved to the position establishing the unregulated full suction mode. | 03-26-2015 |