System for suction-assisted wound healing
First Claim
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1. A system for use with a source of suction for treating a wound of a patient with suction comprising:
- a cover having at least a portion which is conformable for covering the wound;
an adhesive for sealing at least said portion of said cover to said the patient adjacent the wound;
a pump;
a first conduit coupled to and in fluid communication with said wound cover and said pump for applying suction to the wound and for carrying effluent from the wound for collection;
a pressure sensor to monitor a level of suction within the wound;
a second conduit coupled to and in fluid communication with said sensor and said wound cover;
a controller for controlling the operation of said pump in response to a signal from said pressure sensor; and
a passageway coupled to said second conduit for providing a rinsing flow of gas into said second conduit during operation of said pump to keep said second conduit free of effluent during the application of suction to the wound.
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Accused Products
Abstract
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.
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Citations
27 Claims
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1. A system for use with a source of suction for treating a wound of a patient with suction comprising:
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a cover having at least a portion which is conformable for covering the wound; an adhesive for sealing at least said portion of said cover to said the patient adjacent the wound; a pump; a first conduit coupled to and in fluid communication with said wound cover and said pump for applying suction to the wound and for carrying effluent from the wound for collection; a pressure sensor to monitor a level of suction within the wound; a second conduit coupled to and in fluid communication with said sensor and said wound cover; a controller for controlling the operation of said pump in response to a signal from said pressure sensor; and a passageway coupled to said second conduit for providing a rinsing flow of gas into said second conduit during operation of said pump to keep said second conduit free of effluent during the application of suction to the wound. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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14. A system for use with a source of suction for treating a wound with suction and determining if an inadequate level of suction is being applied to the wound, said system comprising:
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a suction control for controlling the level of suction provided by the source of suction; a wound cover for enclosing the wound; a waste receptacle for collecting liquids from the wound and comprising an inlet and an outlet; a first conduit coupled between said source of suction and said outlet of said waste receptacle for producing a level of suction at said waste receptacle; a second conduit coupled between said waste receptacle and the wound for applying a level of suction to the wound; a third conduit connected in parallel to said second conduit and communicating with the wound; a pressure sensor for determining if there is difference in pressure between said first conduit and said third conduit; and a flow sensor coupled between the source of suction and said waste receptacle for sensing the flow of fluids to the source of suction. - View Dependent Claims (15, 16, 17, 18, 19, 20, 21, 22)
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23. A system for use with a source of suction for applying suction to a wound to treat the wound, wherein an obstructed condition of said system may result in an inadequate level of suction applied to the wound, said system being arranged for determining if an adequate level of suction is being applied to the wound and comprising:
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a cover for sealing the wound and thereby establishing a sealing state of the wound; a conduit in fluid communication with the source of suction and said wound cover for applying suction to the wound; a suction control for controlling the level of suction applied to the wound based upon a user selectable setting; a flow sensor for detecting the rate of flow of fluid in said conduit to determine the sealing state of the wound; a passageway in fluid communication with said conduit, said flow sensor and the ambient air outside of said system for providing a flow of air into said system; and wherein the detection of said flow of air by said flow sensor indicates a non-obstructed condition of said system. - View Dependent Claims (24, 25, 26, 27)
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Specification