Multi-orientation canister for use with a reduced pressure treatment system
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
A61M-001/00
A61F-013/15
출원번호
US-0401433
(2012-02-21)
등록번호
US-8758315
(2014-06-24)
발명자
/ 주소
Chen, Fernando T.
Dai, Kevin H.
Yeadon, Stephen C.
출원인 / 주소
KCI Licensing, Inc.
인용정보
피인용 횟수 :
2인용 특허 :
90
초록▼
Systems and methods for reduced pressure tissue treatments, including a multi-orientation canister. The canister includes an inlet for receiving fluids from a tissue site, and a main chamber in fluid communication with the inlet for receiving fluids from the inlet. The canister includes a filter cha
Systems and methods for reduced pressure tissue treatments, including a multi-orientation canister. The canister includes an inlet for receiving fluids from a tissue site, and a main chamber in fluid communication with the inlet for receiving fluids from the inlet. The canister includes a filter chamber separated from the main chamber by one or more filter chamber walls. The one or more filter chamber walls includes a primary hole having a first diameter and a secondary hole having a second diameter smaller than the first diameter. The primary hole provides a first path of fluid communication between the filter chamber and the main chamber. The canister includes an outlet for providing fluid communication between the filter chamber and a reduced pressure source.
대표청구항▼
1. A multi-orientational canister for use in a reduced pressure tissue treatment, comprising: an inlet adapted to be fluidly connected with a tissue site and capable of receiving fluids from the tissue site;a main chamber in fluid communication with the inlet for receiving the fluids from the inlet;
1. A multi-orientational canister for use in a reduced pressure tissue treatment, comprising: an inlet adapted to be fluidly connected with a tissue site and capable of receiving fluids from the tissue site;a main chamber in fluid communication with the inlet for receiving the fluids from the inlet;a filter chamber separated from the main chamber by one or more filter chamber walls;a filter positioned within the filter chamber and separated from the main chamber by one or more of the filter chamber walls;a primary hole having a first diameter positioned through the one or more filter chamber walls for providing a first path of fluid communication between the filter chamber and the main chamber;a secondary hole having a second diameter smaller than the first diameter positioned through the one or more filter chamber walls; andan outlet providing fluid communication with the filter chamber, the outlet adapted to be fluidly connected to a reduced pressure source. 2. The multi-orientational canister of claim 1, further comprising the reduced pressure source attached to the filter chamber. 3. The multi-orientational canister of claim 1, further comprising a baffle positioned adjacent the inlet to inhibit splashing of the fluids as the fluids enter the multi-orientational canister through the inlet. 4. The multi-orientational canister of claim 1, further comprising a gelling agent positioned within the main chamber for creating a gel upon contact with the fluids received from the tissue site. 5. The multi-orientational canister of claim 1, wherein the multi-orientational canister has a primary operating orientation. 6. The multi-orientational canister of claim 5, wherein the primary hole is positioned beneath the secondary hole in the multi-orientational canister's primary operating orientation. 7. The multi-orientational canister of claim 5, wherein the primary hole is horizontal to a force of gravity when the multi-orientational canister is in the primary operating orientation. 8. The multi-orientational canister of claim 5, wherein the secondary hole is vertical to a force of gravity when the multi-orientational canister is in the primary operating orientation. 9. The multi-orientational canister of claim 1, wherein the primary hole is positioned on a centroid of the multi-orientational canister. 10. The multi-orientational canister of claim 1, wherein the primary hole is positioned on a center of mass of the multi-orientational canister. 11. A canister for use in a reduced pressure tissue treatment, the canister comprising: one or more canister walls arranged to create an enclosure;a main chamber positioned within the enclosure configure for collecting exudate received by a tissue site;a filter chamber positioned within the enclosure, the filter chamber having a first filter chamber wall and a second filter chamber wall for partitioning the filter chamber from the main chamber;a first aperture extending through the first filter chamber wall spaced apart from the one or more canister walls, the first aperture being positioned on a centroid of the canister; anda second aperture smaller than the first aperture extending through the second filter chamber wall. 12. The canister of claim 11 further comprising a filter positioned within the filter chamber and partitioned from the main chamber. 13. The canister of claims 11 further comprising a reduced pressure source attached to the filter chamber. 14. The canister of claim 11 further comprising: a receiving chamber positioned between an inlet of the canister and the main chamber for receiving fluids from the tissue site, the receiving chamber having an aperture for providing fluid communication between the receiving chamber and the main chamber; anda baffle positioned adjacent the receiving chamber aperture to inhibit splashing of fluids as the fluids enter the main chamber. 15. The canister of claim 11 further comprising a gelling agent positioned within the main chamber for creating a gel upon contact with the fluids received from the tissue site. 16. The canister of claim 11, wherein the canister has a primary operating orientation. 17. The canister of claim 16, wherein the first aperture is positioned beneath the second aperture in the canister's primary operating orientation. 18. The canister of claim 16, wherein the first aperture is horizontal to a force of gravity when the canister is in the primary operating orientation. 19. The canister of claim 16, wherein the second aperture is vertical to a force of gravity when the canister is in the primary operating orientation. 20. The canister of claim 16, wherein: the first aperture is positioned beneath the second aperture in the canister's primary operating orientation;the first aperture is horizontal to a force of gravity when the canister is in the primary operating orientation; andthe second aperture is vertical to the force of gravity when the canister is in the primary operating orientation. 21. The canister of claim 11, wherein the first filter chamber wall is normal to the second filter chamber wall. 22. A canister for use in a reduced pressure tissue treatment, the canister comprising: a main chamber having an inlet adapted to receive fluid from a tissue site;a filter chamber isolated from the main chamber by one or more walls, the filter chamber having an outlet adapted to be fluidly coupled to a reduced pressure source;a filter positioned within the filter chamber; anda first aperture and a second aperture extending through the one or more walls, the first aperture and the second aperture being sized to prevent the fluid, upon entrance into the main chamber, from incidentally contacting the filter. 23. The canister of claim 22 further comprising a gelling agent positioned within the main chamber for creating a gel upon contact with the fluid received from the tissue site. 24. A reduced pressure delivery system configured for applying a reduced pressure tissue treatment to a tissue site comprising: a multi-orientational canister comprising: one or more canister walls arranged to create an enclosure;a main chamber positioned within the enclosure for receiving exudate from the tissue site;a filter chamber positioned within the enclosure, the filter chamber having a first filter chamber wall and a second filter chamber wall for partitioning the filter chamber from the main chamber;a first aperture extending through the first filter chamber wall spaced apart from the one or more canister walls, the first aperture being positioned on a centroid of the multi-orientational canister; anda second aperture smaller than the first aperture extending through the second filter chamber wall; anda reduced pressure source fluidly connected to the multi-orientational canister for applying reduced pressure to the tissue site;a manifold positioned adjacent the tissue site; anda conduit fluidly connected between the main chamber and the manifold for delivering fluids from the tissue site to the main chamber. 25. A method for emptying fluids from a filter chamber positioned in a canister used in reduced pressure tissue treatment, the method comprising: receiving the fluids into a main chamber of the canister;rotating the canister into a first position to cause the fluids in the main chamber to flow into the filter chamber through either a first aperture or a second aperture, the first aperture being larger than the second aperture, and the first aperture being located in a first plane substantially perpendicular to a second plane of which the second aperture is located; androtating the canister into a second position to cause the fluids in the filter chamber to flow back into the main chamber through the first aperture. 26. A method, comprising: receiving fluids into a main chamber of a multi-orientational canister, wherein the fluids react with a gelling agent to create a gel;applying reduced pressure to the main chamber via a first aperture positioned in a partition that separates the main chamber from a filter chamber until a fluid or gel level in the main chamber covers the first aperture causing a temporary blockage of the first aperture;responsive to the first aperture becoming temporarily blocked, continuing to apply the reduced pressure to the main chamber via a second aperture positioned in the partition until the fluid or gel level in the main chamber covers the second aperture; andresponsive to the fluid or gel level covering the second aperture, continuing to apply the reduced pressure to the main chamber through the first aperture causing the gel in the main chamber to be pulled into the filter chamber until both the main chamber and the filter chamber are substantially full of gel.
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