Negative pressure wound therapy dressing system
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
A61F-013/02
A61M-027/00
A61M-001/00
A61M-035/00
A61F-013/00
출원번호
US-0600365
(2017-05-19)
등록번호
US-9950100
(2018-04-24)
우선권정보
GB-0409446.2 (2004-04-28)
발명자
/ 주소
Blott, Patrick Lewis
Hartwell, Edward Yerbury
Lee-Webb, Julian
Nicolini, Derek
출원인 / 주소
Smith & Nephew PLC
대리인 / 주소
Knobbe Martens Olson & Bear LLP
인용정보
피인용 횟수 :
0인용 특허 :
259
초록▼
A dressing (2) and an apparatus (1) comprising the dressing, for cleansing the wounds (5) in which an irrigant fluid from a reservoir (12) connected to a conformable would dressing and would exudate from the dressing are moved by a device (18) (which may be a single pump or two pumps) for moving flu
A dressing (2) and an apparatus (1) comprising the dressing, for cleansing the wounds (5) in which an irrigant fluid from a reservoir (12) connected to a conformable would dressing and would exudate from the dressing are moved by a device (18) (which may be a single pump or two pumps) for moving fluid through a flow Path (6, 7, 9, 10) which passes through the dressing with a means for providing simultaneous aspiration and irrigation of the wound, to provide a desired balance of fluid at a controlled nominal flow rate that removes materials deleterious to wound healing, while distributing materials that are beneficial in promoting would healing over the wound bed.
대표청구항▼
1. A negative pressure wound therapy dressing system comprising: a substantially conformable wound filler configured to be positioned in a wound;a backing layer configured to be positioned over the wound filler to provide a substantially fluid tight seal over the wound;a first aperture configured to
1. A negative pressure wound therapy dressing system comprising: a substantially conformable wound filler configured to be positioned in a wound;a backing layer configured to be positioned over the wound filler to provide a substantially fluid tight seal over the wound;a first aperture configured to be in fluid communication with a negative pressure source configured to aspirate fluid from the wound;a fluid aspiration manifold comprising a plurality of flow channels in fluid communication with the first aperture, the plurality of flow channels radially extending from the first aperture;a second aperture configured to be in fluid communication with an irrigation source configured to provide irrigant to the wound; anda third aperture configured to be in fluid communication with a pressure sensor configured to measure pressure at the wound,wherein each of the first, second, and third apertures are separate from one another. 2. The system of claim 1, wherein: the first aperture is configured to be fluidically connected to the source of negative pressure via a first tube, the second aperture is configured to be fluidically connected to the irrigation source via a second tube, and the third aperture is configured to be fluidically connected to the pressure sensor via a third tube, andeach of the first, second, and third tubes are separate from one another. 3. The system of claim 1, further comprising a boss configured to be fluidically connected to the negative pressure source and to the irrigation source, the boss comprising the first, second, and third apertures. 4. The system of claim 3, wherein the boss is circular. 5. The system of claim 1, further comprising a first boss and a second boss, the first boss and the second boss including the first, second, and third apertures. 6. The system of claim 5, wherein the first boss is circular. 7. The system of claim 1, wherein a measurement of pressure at the wound enables control of operation of at least one of the negative pressure source or the irrigation source. 8. The system of claim 1, wherein the negative pressure source comprises a first pump and the irrigation source comprises a second pump. 9. The system of claim 8, wherein the first pump is configured to cycle negative pressure. 10. The system of claim 1, wherein the wound filler comprises foam. 11. A kit comprising the system of claim 1 in combination with a negative pressure wound therapy device including the negative pressure source and the irrigation source. 12. The kit of claim 11, wherein the device is configured to control operation of at least one of the negative pressure source or the irrigation source based on measured pressure at the wound. 13. The kit of claim 11 further comprising a canister configured to store fluid aspirated from the wound. 14. A method of controlling a negative pressure wound therapy system, the method comprising: applying negative pressure through a first aperture of the system including a substantially conformable wound filler configured to be positioned in a wound and a backing layer configured to be positioned over the wound filler to provide a substantially fluid tight seal over the wound, the first aperture being in fluid communication with a fluid aspiration manifold comprising a plurality of flow channels radially extending from the first aperture;providing irrigant through a second aperture of the system; andmeasuring pressure through a third aperture of the system,wherein each of the first, second, and third apertures are separate from one another. 15. The method of claim 14, wherein the first aperture is configured to be fluidically connected to the source of negative pressure via a first tube, the second aperture is configured to be fluidically connected to the irrigation source via a second tube, and the third aperture is configured to be fluidically connected to the pressure sensor via a third tube, and wherein each of the first, second, and third tubes are separate from one another. 16. The method of claim 14, wherein the system further comprises a boss attached to the backing layer, and wherein the first, second, and third apertures are formed in the boss. 17. The method of claim 16, wherein the boss is circular. 18. The method of claim 14, wherein the system further comprises first and second bosses, the first boss attached to the backing layer, and wherein the first, second, and third apertures are formed in the first and second bosses. 19. The method of claim 17, wherein the first boss is circular. 20. The method of claim 18, further comprising controlling operation of at least one of the negative pressure source or the irrigation source based on a measurement of pressure at the wound. 21. The method of claim 14, further comprising cycling the negative pressure.
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