Scraping fluid removal in a surgical access device
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
A61B-001/00
A61M-005/178
A61B-001/12
A61B-017/34
출원번호
US-0110727
(2008-04-28)
등록번호
US-8870747
(2014-10-28)
발명자
/ 주소
Moreno, Jr., Cesar E.
Minnelli, Patrick J.
Gilker, Thomas A.
Mumaw, Daniel J.
Mollere, Rebecca J.
Tanguay, Randall
Duke, Daniel H.
Kistler, Paul H.
출원인 / 주소
Ethicon Endo-Surgery, Inc.
대리인 / 주소
Mintz Levin Cohn Ferris Glovsky and Popeo, P.C.
인용정보
피인용 횟수 :
1인용 특허 :
265
초록▼
The present invention generally provides methods and devices for removing fluid from a surgical instrument. Surgical access devices and seal systems are generally provided having one or more valves or seal assemblies to create a closed system between the outside environment and the environment in wh
The present invention generally provides methods and devices for removing fluid from a surgical instrument. Surgical access devices and seal systems are generally provided having one or more valves or seal assemblies to create a closed system between the outside environment and the environment in which the surgical access device is being inserted. In one embodiment, a seal assembly is provided and can include a seal having an opening configured to receive a surgical instrument therethrough and a fluid remover in the form of an absorbent element, a scraper element, a wicking element, or any combination thereof can be associated with the seal and configured to remove fluid from the opening and/or a surgical instrument.
대표청구항▼
1. A surgical access device, comprising: a housing having a cannula extending distally therefrom;a first seal disposed within the housing and configured to receive a surgical instrument therethrough, and to form a seal around a surgical instrument disposed therethrough; anda second seal disposed wit
1. A surgical access device, comprising: a housing having a cannula extending distally therefrom;a first seal disposed within the housing and configured to receive a surgical instrument therethrough, and to form a seal around a surgical instrument disposed therethrough; anda second seal disposed within the housing and separate and detached from the first seal, the second seal being configured to form a seal when no surgical instrument is disposed therethrough; anda scraper disposed within the housing and positioned distal to the first and second seals and configured to scrape fluid off of a surgical instrument extending through the first and second seals and the scraper, the scraper having a central opening and capillary channels formed on a distal surface thereof, disassociated from the central opening and extending radially outward from the central opening. 2. The surgical access device of claim 1, wherein the scraper is positioned a distance apart from the first and second seals. 3. The surgical access device of claim 1, wherein the first seal comprises an instrument seal having an opening formed therethrough and configured to form a seal around a surgical instrument disposed therethrough, and wherein the second seal comprises a zero-closure seal configured to form a seal when no surgical instrument is disposed therethrough. 4. The surgical access device of claim 3, further comprising a second scraper positioned between the instrument seal and the zero-closure seal. 5. The surgical access device of claim 1, wherein the scraper comprises first and second rotatable members configured to rotate as a surgical instrument is passed therethrough. 6. The surgical access device of claim 1, wherein at least one of the first and second seals is substantially conical shaped and includes a protector disposed proximal thereto. 7. The surgical access device of claim 6, wherein the protector and the at least one of the first and second seals each include multiple layers. 8. The surgical access device of claim 1, wherein the scraper is substantially cone shaped. 9. The surgical access device of claim 1, wherein the scraper includes at least one slit formed therein and configured to allow the scraper to radially expand. 10. The surgical access device of claim 1, wherein an inner portion of the scraper includes a fluid collection member configured to collect fluid scraped by the scraper. 11. The surgical access device of claim 10, wherein the fluid collection member comprises a substantially C-shaped lip. 12. The surgical access device of claim 10, wherein at least a portion of the fluid collection member is sorbent. 13. The surgical access device of claim 1, wherein at least a portion of the scraper is adapted to sorb fluid. 14. A surgical access device, comprising: a housing defining a working channel sized and configured to receive a surgical instrument;a cannula extending distally from the housing configured for receiving a surgical instrument inserted through the housing;a seal assembly disposed in the housing for forming a seal around a surgical instrument disposed through the working channel and forming a seal in the working channel when no surgical instrument is disposed through the working channel;a scraping element disposed in the housing and positioned distal to the seal assembly, the scraping element having a central opening, and the scraping element being configured to scrape fluid off of a surgical instrument passed through the working channel and through the central opening, and the scraping element having radially-oriented elongate capillary grooves disassociated from the central opening; anda lid positioned distal of the seal assembly and seated on a proximal surface of the scraping element, the lid having an unobstructed opening formed therein, wherein a diameter of the opening of the lid is greater than a diameter of the central opening in the scraping element. 15. The surgical access device of claim 14, wherein the seal assembly includes a first seal having an opening configured to form a seal around a surgical instrument disposed therethrough, and a second seal configured to form a seal in the working channel of the housing when no instrument is disposed therethrough. 16. The surgical access device of claim 15, further comprising a second scraping element positioned between the first and second seals. 17. The surgical access device of claim 14, wherein the seal assembly comprises a single seal configured to both form a seal around a surgical instrument disposed through the working channel and form a seal in the working channel when no surgical instrument is disposed through the working channel. 18. The surgical access device of claim 14, wherein the scraping element is expandable. 19. The surgical access device of claim 14, wherein the scraping element comprises first and second rotatable members configured to rotate as a surgical instrument is passed therethrough. 20. The surgical access device of claim 14, wherein the scraping element is substantially cone shaped. 21. The surgical access device of claim 14, wherein at least a portion of the scraping element is sorbent. 22. The surgical access device of claim 16, wherein the second scraping element is disposed in a removable cap of the housing. 23. The surgical access device of claim 14, wherein an inner portion of the scraping element includes a fluid collection member configured to collect fluid scraped by the scraping element. 24. A surgical access device, comprising: a housing having a cannula extending distally therefrom, the housing and cannula defining a working channel extending therethrough, and the housing having a distal portion and a proximal cap portion that is removably coupled to the distal portion;an instrument seal disposed within the proximal removable cap portion of the housing, the instrument seal having an opening formed therethrough and configured to form a seal around a surgical instrument disposed therethrough;a zero-closure seal disposed within the distal portion of the housing and positioned distal of the instrument seal, the zero-closure seal being configured to form a seal across the working channel when no surgical instrument is disposed therethrough;a lid disposed within the distal portion of the housing and positioned distal of the zero-closure seal; anda scraper disposed within the distal portion of the housing and fixedly positioned distal of the lid, the scraper having a plurality of channels extending only partially into a terminal, distal-facing surface thereof and configured to scrape fluid off and wick fluid away from instruments passed through the scraper. 25. The device of claim 24, wherein the scraper is part of a fluid remover assembly positioned distal of the lid. 26. The device of claim 25, wherein the fluid remover assembly includes a sorbent element and a wicking element. 27. The device of claim 24, wherein the plurality of channels extend radially outward from a central opening in the scraper.
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이 특허에 인용된 특허 (265)
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