Methods for the prevention of surgical site infections
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
A61B-001/32
A61B-017/02
A61B-017/00
출원번호
US-0736875
(2013-01-08)
등록번호
US-9084594
(2015-07-21)
발명자
/ 주소
Suh, Insoo
Coe, Jonathan
Gnanashanmugam, Swaminadhan
Koehler, Jeremy
Welton, Mark
출원인 / 주소
The Board of Trustees of the Lealand Stanford Junior University
대리인 / 주소
Knobbe, Martens, Olson & Bear, LLP
인용정보
피인용 횟수 :
4인용 특허 :
137
초록▼
Several methods to reduce surgical site infections include inserting a surgical access device into an incision, retracting tissue, and introducing fluid into the surgical access device such that the fluid exits the surgical access device and irrigates a surgical site. Other methods do not include in
Several methods to reduce surgical site infections include inserting a surgical access device into an incision, retracting tissue, and introducing fluid into the surgical access device such that the fluid exits the surgical access device and irrigates a surgical site. Other methods do not include introducing fluid into a surgical access device but include suctioning a fluid into the surgical access device and removing the fluid from the body.
대표청구항▼
1. A method for retracting tissue in a surgical site in a body, the method comprising: inserting at least a portion of a surgical access device into an incision, wherein the surgical access device comprises a first retention member, a second retention member, a pliable membrane comprising an inner l
1. A method for retracting tissue in a surgical site in a body, the method comprising: inserting at least a portion of a surgical access device into an incision, wherein the surgical access device comprises a first retention member, a second retention member, a pliable membrane comprising an inner layer and an outer layer with a space therebetween, the pliable membrane coupled to the first retention member and the second retention member, and a fluid delivery inlet configured to be placed in fluid communication with the pliable membrane;advancing the first retention member into the body through the incision;placing the second retention member outside the body;retracting the tissue using the pliable membrane;introducing fluid into the fluid delivery inlet such that the fluid flows through the space and exits an opening in a lateral surface of a first portion of the pliable membrane and the introduced fluid contacts a wall of the surgical site; andsuctioning at least a portion of the fluid after the fluid contacts the wall of the surgical site through a second portion of the pliable membrane not in direct fluid communication with the first portion, wherein the suctioned fluid enters the pliable membrane at a location disposed between the first and the second retention members. 2. The method of claim 1, wherein a fluid conduit member is coupled to the first retention member and the method further comprises suctioning the fluid into the fluid conduit member and removing the fluid from the body. 3. The method of claim 1, wherein the fluid comprises an antibiotic fluid. 4. The method of claim 1, wherein the fluid comprises a saline solution. 5. The method of claim 1, wherein the fluid comprises a diagnostic or therapeutic agent. 6. The method of claim 1, wherein the fluid exits the pliable membrane at a location disposed between the first and second retention members. 7. The method of claim 1, wherein the surgical access device comprises a plurality of fluid delivery regions and a plurality of fluid removal regions, and wherein the plurality of fluid delivery regions and the plurality of fluid removal regions are disposed between the first and the second retention members. 8. The method of claim 1, wherein the inner layer and the outer layer are joined together at a plurality of locations thereby forming a quilted pattern which prevents billowing of the pliable membrane. 9. The method of claim 1, wherein a porous material is disposed in the space. 10. The method of claim 1, wherein the pliable membrane comprises a plurality of perforations disposed between the first and second retention members, the plurality of perforations disposed away from the first and second retention members, and wherein the fluid exits at least some of the plurality of perforations and contacts the wall of the surgical site. 11. A method for retracting tissue in a surgical site in a body, the method comprising: inserting at least a portion of a surgical access device into an incision, wherein the surgical access device comprises a first retention member, a second retention member, a pliable membrane coupled to the first retention member and the second retention member, and a fluid removal conduit coupled to the first retention member;advancing the first retention member into the body through the incision;placing the second retention member outside the body;retracting the tissue using the pliable membrane;introducing a fluid into the surgical access device such that the fluid exits a first section of the pliable membrane and wherein the introduced fluid flows out of the surgical access device into the body before being suctioned back into the surgical access device,suctioning the fluid from the body into the surgical access device, wherein the fluid flows from the body through a second section of the pliable membrane not in direct fluid communication with the first section, and wherein the fluid enters the pliable membrane at a location disposed between the first and the second retention members; andremoving the fluid from the body. 12. The method of claim 11, further comprising coupling a suction device to the fluid removal conduit. 13. The method of claim 11, wherein the surgical access device comprises a plurality of fluid delivery regions and a plurality of fluid removal regions, and wherein the plurality of fluid delivery regions and the plurality of fluid removal regions are disposed between the first and the second retention members. 14. The method of claim 11, wherein the pliable membrane comprises an inner layer and an outer layer joined together at a plurality of locations thereby forming a quilted pattern which prevents billowing of the pliable membrane. 15. The method of claim 14, wherein a porous material is disposed in a space between the inner layer and the outer layer. 16. A method for retracting tissue in a surgical site in a body, the method comprising: inserting a retraction device into an incision;retracting tissue;introducing fluid into the retraction device; andforcing the fluid out of the retraction device into the surgical site, wherein the retraction device comprises a pliable membrane comprising an inner layer and an outer layer with a space therebetween, and wherein the fluid exits an opening in a lateral surface of a first section of the pliable membrane, and wherein the fluid flows through the space, wherein the introduced fluid contacts a wall of the surgical site; andsuctioning at least a portion of the fluid after said fluid contacts the wall of the surgical site in through a lateral surface of a second section of the pliable membrane not in direct fluid communication with the first section of the pliable membrane. 17. The method of claim 16, wherein forcing the fluid out of the retraction device comprises forcing the fluid through a channel system that substantially circumscribes the retraction device. 18. The method of claim 16, wherein forcing the fluid out of the retraction device comprises forcing the fluid through a porous material. 19. The method of claim 16, wherein the retraction device comprises an upper portion and a lower portion that are not in direct fluid communication, wherein forcing the fluid out of the retraction device comprises forcing the fluid out of the upper portion and suctioning the fluid from the surgical site comprises suctioning the fluid into the lower portion. 20. The method of claim 16, wherein the inner layer and the outer layer are joined together at a plurality of locations thereby forming a quilted pattern which prevents billowing of the pliable membrane. 21. The method of claim 16, wherein a porous material is disposed in the space. 22. The method of claim 16, wherein the retraction device comprises first and second retention members, and the pliable membrane comprises a plurality of perforations disposed between the first and second retention members, the plurality of perforations disposed away from the first and second retention members, and wherein the fluid exits at least some of the plurality of perforations and contacts the wall of the surgical site.
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이 특허에 인용된 특허 (137)
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Nguyen, Eric; Gadberry, Donald L.; Johnson, Gary M.; Hart, Charles C.; Brustad, John R.; Bowes, Robert R.; Albrecht, Jeremy J.; Sakakine, Ghassan; Kahle, Henry, Wound retractor.
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