IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0084742
(2011-04-12)
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등록번호 |
US-8702665
(2014-04-22)
|
발명자
/ 주소 |
- Locke, Christopher Brian
- Robinson, Timothy Mark
- Coulthard, Richard Daniel John
|
출원인 / 주소 |
|
인용정보 |
피인용 횟수 :
5 인용 특허 :
106 |
초록
▼
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 mat
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.
대표청구항
▼
1. A reduced-pressure source for use with a reduced-pressure system for treating a tissue site on a patient, the reduced-pressure source comprising: a pump housing forming a sealed space that is liquid-tight, wherein an enclosure member forms at least a portion of the pump housing;a vacuum pump disp
1. A reduced-pressure source for use with a reduced-pressure system for treating a tissue site on a patient, the reduced-pressure source comprising: a pump housing forming a sealed space that is liquid-tight, wherein an enclosure member forms at least a portion of the pump housing;a vacuum pump disposed within the sealed space;a reduced-pressure outlet fluidly coupled to the vacuum pump and configured to discharge reduced pressure out of the vacuum pump to a reduced-pressure chamber;an exhaust outlet fluidly coupled to the vacuum pump and configured to discharge an exhaust gas from the vacuum pump to the sealed space; andwherein the enclosure member is formed from a polymeric, porous, hydrophobic material and configured so that the exhaust gas exits the sealed space through the enclosure member under pressure. 2. The reduced-pressure source of claim 1, wherein the polymeric, porous, hydrophobic material comprises a hydrophobic sintered polymer. 3. The reduced-pressure source of claim 1, wherein the polymeric, porous, hydrophobic material comprises a hydrophobic spun-bonded material. 4. The reduced-pressure source of claim 1, wherein the polymeric, porous, hydrophobic material comprises hydrophobic bonded, porous fibers. 5. The reduced-pressure source of claim 1, further comprises a liquid-sensitive dye associated with the enclosure member and adapted to change colors upon becoming wet. 6. The reduced-pressure source of claim 1, wherein the enclosure member is translucent. 7. The reduced-pressure source of claim 1, wherein the enclosure member comprises a vent panel on the pump housing. 8. The reduced-pressure source of claim 1, wherein the enclosure member comprises a dressing covering and the vacuum pump comprises a micro-pump disposed between the dressing covering and the patient. 9. The reduced-pressure source of claim 1, wherein the polymeric, porous, hydrophobic material comprises an odor-absorbing material. 10. A system for treating a tissue site on a patient with reduced pressure, the system comprising: a treatment manifold for placing proximate to the tissue site for distributing reduced pressure to the tissue site;a reduced-pressure source fluidly coupled to the treatment manifold for providing reduced pressure to the treatment manifold; anda sealing member for forming a fluid seal over the tissue site; andwherein the reduced-pressure source comprises: a pump housing forming a sealed space that is liquid-tight, wherein an enclosure member forms at least a portion of the pump housing,a vacuum pump disposed in the sealed space,a reduced-pressure outlet fluidly coupled to the vacuum pump and configured to discharge reduced pressure out of the vacuum pump to a reduced-pressure chamber,an exhaust outlet fluidly coupled to the vacuum pump and configured to discharge an exhaust gas from the vacuum pump to the sealed space, andwherein the enclosure member is formed by a polymeric, porous, hydrophobic material configured so that the exhaust gas exits the sealed space through the enclosure member under pressure. 11. The system of claim 10, wherein the polymeric, porous, hydrophobic material comprises a hydrophobic sintered polymer. 12. The system of claim 10, wherein the polymeric, porous, hydrophobic material comprises a hydrophobic spun-bonded material. 13. The system of claim 10, wherein the polymeric, porous, hydrophobic material comprises hydrophobic bonded, porous fibers. 14. The system of claim 10, wherein the polymeric, porous, hydrophobic material comprises a polyolefin material. 15. The system of claim 10, further comprises a liquid-sensitive dye associated with the enclosure member and adapted to change colors upon becoming wet. 16. The system of claim 10, wherein the enclosure member comprises a vent panel on the pump housing. 17. The system of claim 10, wherein the enclosure member comprises a dressing covering and the vacuum pump comprises a micro-pump disposed between the dressing covering and the patient. 18. The system of claim 10, wherein the polymeric, porous, hydrophobic material comprises an odor-absorbing material. 19. A method of treating a tissue site with reduced pressure, the method comprising: forming a sealed space configured to block the passage of liquids, wherein at least a portion of the sealed space is formed by an enclosure member comprising a polymeric, porous, hydrophobic material;disposing a vacuum pump within the sealed space, wherein the vacuum pump includes a reduced-pressure outlet and an exhaust outlet;discharging a reduced pressure out of the vacuum pump to a reduced-pressure chamber;discharging an exhaust gas from the vacuum pump through the exhaust outlet to the sealed space;exhausting the exhaust gas substantially from the sealed space through the enclosure member without a vent aperture; anddelivering the reduced pressure to the tissue site. 20. The method of claim 19, wherein the polymeric, porous, hydrophobic material comprises a hydrophobic spun-bonded material. 21. The method of claim 19, wherein the polymeric, porous, hydrophobic material comprises a polyolefin material. 22. The method of claim 19, wherein the polymeric, porous, hydrophobic material comprises a hydrophobic sintered polymer and a liquid-sensitive dye associated with the enclosure member that is adapted to change colors upon becoming wet. 23. The method of claim 19, wherein the enclosure member comprises a vent panel on the pump housing. 24. The method of claim 19, wherein the enclosure member comprises a dressing covering and the vacuum pump comprises a micro-pump disposed between the dressing covering and the patient. 25. The method of claim 19, wherein the polymeric, porous, hydrophobic material comprises an odor-absorbing material. 26. A dressing for treating a tissue site on a patient with reduced pressure, the dressing comprising: a treatment manifold for placing proximate to the tissue site;an absorbent layer for receiving and retaining fluids from the tissue site;a micro-pump having an exhaust outlet, the micro-pump for generating reduced pressure and an exhaust that exits the exhaust outlet;an enclosing cover covering the treatment manifold, the absorbent layer, and the micro-pump to form a sealed space that is liquid-tight, the sealed space having a first portion and a second portion;wherein in the exhaust outlet of the micro-pump is fluidly coupled to the first portion of the sealed space to provide exhaust to the first portion of the sealed space and the micro-pump is fluidly coupled to the second portion of the sealed space to provide reduced pressure to the second portion of the sealed space; andwherein at least a portion of the enclosing cover is formed from a polymeric, porous, hydrophobic material and is adapted to allow the exhaust to egress the sealed space under pressure. 27. The dressing of claim 26, wherein the polymeric, porous, hydrophobic material comprises a hydrophobic sintered material. 28. The dressing of claim 26, wherein the polymeric, porous, hydrophobic material comprises hydrophobic bonded, porous fibers. 29. The dressing of claim 26, further comprising a liquid-gas separator and a diverter layer. 30. The dressing of claim 26, further comprising a liquid-gas separator for preventing liquids from the tissue site from reaching the micro-pump, a diverter layer for distributing reduced pressure from the micro-pump, a sealing layer for placing proximate to the tissue site outboard of the treatment manifold, and a sealing member for disposing over at least a portion of the enclosing cover.
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