IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0403008
(2012-02-23)
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등록번호 |
US-8702657
(2014-04-22)
|
발명자
/ 주소 |
- Racenet, David C.
- Stellon, Gene A.
- Vumback, William J.
- Pasqualucci, Joseph
|
출원인 / 주소 |
|
인용정보 |
피인용 횟수 :
0 인용 특허 :
122 |
초록
▼
A seal assembly for reception of an elongated surgical instrument is provided which includes a body having at least one opening configured and dimensioned to permit entry of an elongated surgical instrument and defining a central longitudinal axis; a seal member formed of a resilient material and de
A seal assembly for reception of an elongated surgical instrument is provided which includes a body having at least one opening configured and dimensioned to permit entry of an elongated surgical instrument and defining a central longitudinal axis; a seal member formed of a resilient material and defining an aperture therein, the aperture being configured and dimensioned such that insertion of the surgical instrument into the aperture causes the resilient material defining the aperture to resiliently contact the outer surface of the surgical instrument in a substantially fluid tight manner; and a fabric layer juxtaposed relative to the resilient material. A coating may be applied to the seal member to reduce friction between the seal member and surgical instrumentation inserted therein. The coating is preferably a hydrocyclosiloxane membrane prepared by plasma polymerization process.
대표청구항
▼
1. A surgical access device for permitting insertion of a surgical object into body tissue, which comprises: a housing assembly;a first member including a resilient material positioned within the housing assembly, the first member including a proximal face and a distal face, the first member includi
1. A surgical access device for permitting insertion of a surgical object into body tissue, which comprises: a housing assembly;a first member including a resilient material positioned within the housing assembly, the first member including a proximal face and a distal face, the first member including inner portions defining a first aperture extending therethrough and being adapted to expand from a first open condition to an expanded second open condition upon insertion of a surgical object;a flexible member positioned between the first member and the housing assembly, the flexible member being sinusoidal in configuration;a fabric material positioned adjacent to at least one of the proximal and distal faces of the first member;a second member positioned within the housing assembly, the second member forming a seal defining a second aperture extending therethrough; anda cannula assembly extending distally from the housing assembly along a longitudinal axis, the cannula assembly being configured and dimensioned for introduction into body tissue and including a longitudinal passage configured and dimensioned to permit insertion of the surgical object. 2. The surgical access device of claim 1, wherein the fabric material includes a first layer of fabric positioned adjacent to the proximal face, and a second layer of fabric positioned adjacent to the distal face. 3. The surgical access device of claim 1, further including a third member positioned within the cannula assembly such that the third member is positioned distally of the housing assembly. 4. The surgical access device of claim 3, wherein the third member is configured and dimensioned to substantially inhibit communication of fluid therethrough in the absence of the surgical object. 5. The surgical access device of claim 1, wherein the first member is non-inflatable. 6. The surgical access device of claim 1, wherein the fabric material is a layer of fabric. 7. The surgical access device of claim 1, wherein the fabric material is in direct contact with the at least one of the proximal and distal faces of the first member. 8. The surgical access device of claim 1, wherein the fabric material is cured into the at least one of the proximal and distal faces of the first member. 9. The surgical access device of claim 1, wherein the fabric material is compressed into the at least one of the proximal and distal faces of the first member. 10. The surgical access device of claim 1, wherein the first member is a seal. 11. The surgical access device of claim 10, wherein inner portions of the first member engage the surgical object in the second open condition to establish a substantially fluid-tight seal therewith. 12. The surgical access device of claim 1, wherein the second member is positioned within the housing assembly distally of the first member. 13. The surgical access device of claim 1, wherein the fabric material is positioned adjacent to the proximal face of the first member. 14. The surgical access device of claim 13, further comprising a second fabric material positioned adjacent to the distal face of the first member. 15. The surgical access device of claim 1, wherein the flexible member is formed from a resilient material. 16. The surgical access device of claim 15, wherein the first member and the flexible member are formed from the same material. 17. The surgical access device of claim 1, wherein the flexible member extends outwardly from the first member. 18. The surgical access device of claim 17, wherein the flexible member is integrally formed with the first member. 19. A surgical access assembly, comprising: a housing;an elongate member extending distally from the housing, the elongate member including a longitudinal passage extending therethrough configured and dimensioned to permit insertion and removal of a surgical instrument;engagement structure for contacting the surgical instrument, the engagement structure including a body portion comprising a resilient material, and fabric material positioned in contact with the resilient material, the body portion including an aperture extending therethrough configured and dimensioned to removably receive the surgical instrument, and being movable from an initial open condition to a subsequent open condition upon insertion of the surgical instrument; anda flexible member positioned between the engagement structure and the housing, the flexible member being sinusoidal in configuration. 20. The surgical access assembly of claim 19, wherein the engagement structure is non-inflatable. 21. A surgical access assembly, which comprises: a body dimensioned and adapted to provide access to an internal body cavity, the body defining a longitudinal axis and having a longitudinal passageway for reception of a surgical object;a first member positioned within the body and dimensioned to intersect the longitudinal passageway, the first member comprising an elastomeric material and a fabric material in contact with the elastomeric material, the first member having inner portions defining an open aperture, the inner portions contacting the surgical object during passage of the surgical object through the open aperture; anda second, flexible member positioned between the first member and the body, the second, flexible member being sinusoidal in configuration. 22. The surgical access assembly of claim 21, wherein the first member positioned within the body is non-inflatable. 23. A surgical access assembly, comprising: a housing;an elongate member extending distally from the housing;a resilient member supported within the housing, the resilient member including a body portion comprising a resilient material, and fabric material positioned in contact with the resilient material, the body portion including an aperture extending therethrough configured and dimensioned to removably receive a surgical instrument, the resilient member being movable between an initial open condition and a subsequent open condition upon insertion of the surgical instrument; anda flexible member positioned between the resilient member and the housing, the flexible member being sinusoidal in configuration. 24. The surgical access assembly of claim 23, wherein the body of the resilient member includes a proximal face and a distal face, the fabric material being embedded within the body of the resilient member such that the fabric material is at least partially positioned between the proximal and distal faces of the body. 25. The surgical access assembly of claim 24, wherein the fabric material includes a plurality of individual strands. 26. The surgical access assembly of claim 23, wherein the resilient member is non-inflatable.
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