Clip applier with migrational resistance features
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
A61B-017/128
A61B-017/10
A61B-019/00
A61B-017/068
출원번호
US-0111328
(2011-05-19)
등록번호
US-8821516
(2014-09-02)
발명자
/ 주소
Huitema, Thomas W.
출원인 / 주소
Ethicon Endo-Surgery, Inc.
대리인 / 주소
Mintz Levin Cohn Ferris Glovsky and Popeo, P.C.
인용정보
피인용 횟수 :
44인용 특허 :
222
초록▼
A surgical clip applier and methods for applying surgical clips to a vessel, duct, shunt, etc., during a surgical procedure are provided. In one exemplary embodiment, a surgical clip applier is provided having a housing with a trigger movably coupled thereto and a shaft extending therefrom with oppo
A surgical clip applier and methods for applying surgical clips to a vessel, duct, shunt, etc., during a surgical procedure are provided. In one exemplary embodiment, a surgical clip applier is provided having a housing with a trigger movably coupled thereto and a shaft extending therefrom with opposed jaws formed on a distal end thereof. The trigger is adapted to advance a clip to position the clip between the jaws, and to move the jaws from an open position to a closed position to crimp the clip positioned therebetween. The surgical clip applier can include a variety of features to facilitate use of the device, including features to align a clip with the jaws, features to prevent unintentional migration of a clip, and features to prevent clip fallout during formation.
대표청구항▼
1. A surgical clip applier, comprising: an elongate shaft having opposed jaws formed on a distal end thereof;a clip track extending through the shaft and adapted to retain a plurality of clips; anda feeder shoe slidably disposed within the clip track and adapted to advance the plurality of clips thr
1. A surgical clip applier, comprising: an elongate shaft having opposed jaws formed on a distal end thereof;a clip track extending through the shaft and adapted to retain a plurality of clips; anda feeder shoe slidably disposed within the clip track and adapted to advance the plurality of clips through the clip track, the feeder shoe having a first deflectable tang formed thereon biased against the clip track and configured to prevent proximal movement of the feeder shoe within the clip track, a second deflectable tang formed thereon and configured to be engaged by a feed bar to advance the feeder shoe distally, and a distal end of the feeder shoe having a notch for seating a proximal-most clip of the plurality of clips, the feeder shoe being configured to resist unintentional movement of the feeder shoe by generating friction against the clip track through contact therewith before the feeder shoe is advanced, and the feeder shoe including at least one protrusion formed thereon and in contact with the clip track to generate friction with the clip track. 2. The surgical clip applier of claim 1, wherein the clip track includes at least one surface protrusion formed thereon and adapted to engage a third tang on the feeder shoe. 3. The surgical clip applier of claim 1, further comprising a third deflectable tang having a lip formed thereon and adapted to engage a corresponding ridge formed in a feed bar. 4. The surgical clip applier of claim 1, wherein the feeder shoe has a cantilevered configuration to generate friction with the clip track. 5. The surgical clip applier of claim 1, wherein the clip track includes a support surface with opposed sidewalls extending therealong, and wherein the feeder shoe is slidably disposed between the opposed sidewalls. 6. The surgical clip applier of claim 5, wherein the opposed sidewalls bias the feeder shoe into a substantially V-shaped cross-section. 7. A surgical clip applier, comprising: an elongate shaft having opposed jaws formed on a distal end thereof;a clip track extending through the shaft and adapted to retain a plurality of clips, the clip track including a support surface with opposed sidewalls extending therealong; anda feeder shoe slidably disposed within the clip track and adapted to advance the plurality of clips through the clip track, the feeder shoe having a first tang extending in a superior direction and configured to prevent proximal movement of the feeder shoe within the clip track, and a second tang extending in an inferior direction and configured to be engaged by a feed bar to advance the feeder shoe distally, the first tang being located at an intermediate location of the feeder shoe and distal of the second tang, the feeder shoe being slidably disposed between the opposed sidewalls, and the opposed sidewalls biasing the feeder shoe into a substantially V-shaped cross-section. 8. The surgical clip applier of claim 7, wherein the clip track includes at least one surface protrusion formed thereon and adapted to engage a third tang on the feeder shoe. 9. The surgical clip applier of claim 8, wherein the feeder shoe includes at least one protrusion formed thereon and in contact with the clip track to generate friction with the clip track. 10. The surgical clip applier of claim 7, further comprising a third deflectable tang having a lip formed thereon and adapted to engage a corresponding ridge formed in a feed bar. 11. The surgical clip applier of claim 7, wherein the feeder shoe has a cantilevered configuration to generate friction with the clip track. 12. The surgical clip applier of claim 7, wherein the feeder shoe is configured to resist unintentional movement of the feeder shoe by generating friction against the clip track through contact therewith before the feeder shoe is advanced. 13. A surgical clip applier, comprising: an elongate shaft having opposed jaws formed on a distal end thereof;a clip track extending through the shaft and having opposed side rails adapted to seat a plurality of clips, the clip track including a support surface with opposed sidewalls extending therealong; anda feeder shoe slidably disposed within the clip track and having opposed lateral edges that engage the opposed side rails of the clip track, the feeder shoe being adapted to advance the plurality of clips through the clip track, and the feeder shoe having a first tang formed thereon biased against the clip track and configured to prevent proximal movement of the feeder shoe within the clip track, and a second tang formed thereon and configured to be engaged by a feed bar to advance the feeder shoe distally, the feeder shoe being slidably disposed between the opposed sidewalls, and the opposed sidewalls biasing the feeder shoe into a substantially V-shaped cross-section. 14. The surgical clip applier of claim 13, wherein the clip track includes at least one surface protrusion formed thereon and adapted to engage a third tang on the feeder shoe. 15. The surgical clip applier of claim 14, wherein the feeder shoe includes at least one protrusion formed thereon and in contact with the clip track to generate friction with the clip track. 16. The surgical clip applier of claim 13, further comprising a third tang having a lip formed thereon and adapted to engage a corresponding ridge formed in a feed bar. 17. The surgical clip applier of claim 13, wherein the feeder shoe has a cantilevered configuration to generate friction with the clip track.
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이 특허에 인용된 특허 (222)
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