Clip applier tool having a discharge configuration
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
A61B-017/10
A61B-017/03
출원번호
UP-0969138
(2004-10-20)
등록번호
US-7572266
(2009-08-25)
발명자
/ 주소
Young, Wayne P.
Ratcliff, Keith
Trutza, George R.
대리인 / 주소
Martin & Ferraro, LLP
인용정보
피인용 횟수 :
86인용 특허 :
176
초록
A surgical ligation instrument and method for ligating a fluid carrying structure are provided. In one aspect, there is provided a surgical ligation instrument and method for deploying a spring clip over the fluid carrying structure without pre-clamping the fluid carrying structure.
대표청구항▼
We claim: 1. A surgical ligation apparatus for compressing a fluid carrying structure, comprising: at least one ligation clip comprising a length with a proximal end and an opposite distal end, and opposed contact surfaces for contacting the fluid carrying structure being biased toward one another,
We claim: 1. A surgical ligation apparatus for compressing a fluid carrying structure, comprising: at least one ligation clip comprising a length with a proximal end and an opposite distal end, and opposed contact surfaces for contacting the fluid carrying structure being biased toward one another, said opposed contact surfaces moveable from at least a first position to a maximum open position; and a ligation clip applier having: a proximal end, an opposite distal end for insertion first into a patient, and a mid-longitudinal axis passing through and a length extending between said proximal and distal ends, said distal end having no portion adapted to move away from the mid-longitudinal axis; a shaft having a passage adapted to receive said ligation clip therein, said shaft having guide surfaces proximate said distal end, and rails including first and second sides extending along at least a portion of said length of said clip applier to said guide surfaces, said first side adapted to contact one of said opposed contact surfaces of said ligation clip and said second side adapted to contact another of said opposed contact surfaces of said ligation clip, said rails adapted to facilitate advancement of said ligation clip therealong to said guide surfaces with said opposed contact surfaces spaced apart from one another in the first position, said guide surfaces including first portions adapted to be positioned between and contact said opposed contact surfaces of said ligation clip to move said clip to the maximum open position and facilitate contact of said opposed contact surfaces with the fluid carrying structure; and at least one indentation formed in said first portions of said guide surfaces, said at least one indentation sized to receive a portion of said ligation clip, said clip prior to release thereof from said clip applier being maintained in a pre-release position with said opposed contact surfaces being spaced apart from one another when said portion thereof is received in said at least one indentation, the distance between said opposed contact surfaces of said ligation clip in the pre-release position being greater than in the first position, and being less than in the maximum open position, wherein the fluid carrying structure can be received between said opposed contact surfaces of said ligation clip when said clip is in the pre-release position with said portion of said clip received in said at least one indentation. 2. The apparatus of claim 1, wherein said distal end of said ligation clip applier has no portion adapted to move along the mid-longitudinal axis of said apparatus. 3. The apparatus of claim 1, further comprising a clip carrier moveable within said passage of said shaft for holding a plurality of surgical ligation clips therein. 4. The apparatus of claim 1, wherein said first portions of said guide surfaces of said ligation clip applier are wedge-shaped. 5. The apparatus of claim 1, wherein said first portions of said guide surfaces of said clip applier open said ligation clip immediately before said clip compresses the fluid carrying structure. 6. The apparatus of claim 1, wherein said first portions of said guide surfaces of said clip applier are adapted to transition said ligation clip from the first position to the maximum open position. 7. The apparatus of claim 1, wherein said first portions of said guide surfaces of said clip applier contact said opposed contact surfaces to wedge said ligation clip into the maximum open position. 8. The apparatus of claim 1, further comprising second portions of said guide surfaces of said clip applier adapted to contact said proximal end of said ligation clip to align said clip with the mid-longitudinal axis of said clip applier. 9. The apparatus of claim 8, wherein said second portions of said guide surfaces of said clip applier face said mid-longitudinal axis of clip applier. 10. A surgical ligation apparatus for compressing a fluid carrying structure, comprising: at least one surgical ligation clip having a length with a proximal end and an opposite distal end, and opposed contact surfaces for contacting the fluid carrying structure being biased toward one another and disposed between said proximal end and said distal end; and a ligation clip applier having: a proximal end, an opposite distal end adapted to be inserted first into a patient, and a mid-longitudinal axis passing through and a length extending between said proximal and distal ends, said distal end of said clip applier being fixed relative to the mid-longitudinal axis; a shaft having a passage adapted to receive said ligation clip therein, said shaft having guide surfaces proximate said distal end, and rails including first and second sides extending along at least a portion of said length of said clip applier to said guide surfaces, said first side adapted to contact one of said opposed contact surfaces of said ligation clip and said second side adapted to contact another of said opposed contact surfaces of said ligation clip, said rails adapted to facilitate advancement said ligation clip therealong to said guide surfaces with said opposed contact surfaces spaced apart from one another in a first position, and said guide surfaces including first portions adapted to contact said opposed contact surfaces of said ligation clip to move said clip to a maximum open position, and second portions adapted to contact said proximal ends of said ligation clip to align said clip with the mid-longitudinal axis of said apparatus, while said distal end of said ligation clip and a majority of said length thereof is beyond said distal end of said apparatus; at least one indentation formed in said first portions of said guide surfaces, said at least one indentation sized to receive a portion of said ligation clip, said ligation clip prior to release thereof from said clip applier being maintained in a pre-release position with said opposed contact surfaces being spaced apart from one another when said portion thereof is received in said at least one indentation, the distance between said opposed contact surfaces of said ligation clip in the pre-release position being greater than in the first position, and being less than in the maximum open position, wherein the fluid carrying structure can be received between said opposed contact surfaces of said ligation clip when said clip is in the pre-release position with said portion of said clip received in said at least one indentation; and a clip carrier moveable within said passage of said shaft for holding a plurality of surgical ligation clips therein. 11. The apparatus of claim 10, wherein said guide surfaces are located substantially within said shaft. 12. The apparatus of claim 10, wherein said first portions of said guide surfaces of said clip applier are wedge-shaped. 13. The apparatus of claim 10, wherein each of said first portions of said guide surfaces of said clip applier have upper and lower portions adapted to move apart two portions of said ligation clip. 14. The apparatus of claim 10, wherein said first portions of said guide surfaces of said clip applier open said ligation clip immediately before said clip compresses the fluid carrying structure. 15. The apparatus of claim 10, wherein said first portions of said guide surfaces of said clip applier are adapted to transition said ligation clip from the first position to the maximum open position. 16. The apparatus of claim 10, wherein said first portions of said guide surfaces of said clip applier contact said opposed contact surfaces to wedge said ligation clip into the maximum open position. 17. The apparatus of claim 10, wherein said second portions of said guide surfaces of said clip applier face said mid-longitudinal axis of said clip applier. 18. A surgical ligation apparatus for compressing a fluid carrying structure, comprising: a plurality of surgical ligation clips, each of said ligation clips comprising a length with a proximal end and an opposite distal end, and opposed contact surfaces for contacting the fluid carrying structure being biased toward one another and disposed between said proximal end and said distal end; and a ligation clip applier comprising: a proximal end, an opposite distal end for insertion first into a patient, and a mid-longitudinal axis passing through and a length extending between said proximal and distal ends, said distal end of said clip applier being fixed relative to the mid-longitudinal axis; a shaft having a passage adapted to receive a plurality of surgical ligation clips therein, said shaft having guide surfaces proximate said distal end, and rails including first and second sides extending along at least a portion of said length of said clip applier to said guide surfaces, said first side adapted to contact one of opposed contact surfaces of each of said ligation clips and said second side adapted to contact another of said opposed contact surfaces of each of said ligation clips, said rails adapted to facilitate advancement of said ligation clips therealong to said guide surfaces with said opposed contact surfaces spaced apart from one another in a first position, and said guide surfaces including first portions adapted to be positioned between said opposed contact surfaces to move each of said ligation clips to a maximum open position, and second portions adapted to contact said proximal ends of each of said ligation clips, said first portions contacting said opposed contact surfaces and said second portions contacting said proximal ends of said ligation clips simultaneously, immediately before said ligation clips are released from said apparatus; and at least one indentation formed in said first portions of said guide surfaces, said at least one indentation sized to receive a portion of each of said ligation clips, said ligations clips prior to release thereof from said clip applier being maintained in a pre-release position with said opposed contact surfaces being spaced apart from one another when said portion thereof is received in said at least one indentation, the distance between said opposed contact surfaces of each of said ligation clips in the pre-release position being greater than in the first position, and being less than in the maximum open position, wherein the fluid carrying structure can be received between said opposed contact surfaces of each of said ligation clips when said clips are in the pre-release position with said portion of said clips received in said at least one indentation. 19. The apparatus of claim 18, wherein said distal end of said clip applier has no portion adapted to move along the mid-longitudinal axis thereof. 20. The apparatus of claim 18, further comprising a clip carrier moveable within said passage of said shaft for holding said plurality of surgical ligation clips therein. 21. The apparatus of claim 18, wherein said first portions of guide surfaces of said clip applier are wedge-shaped. 22. The apparatus of claim 18, wherein said first portions of said guide surfaces of said clip applier open said ligation clips immediately before said clips compress the fluid carrying structure. 23. The apparatus of claim 18, wherein said first portions of said guide surfaces of said clip applier are adapted to transition each of said ligation clips from the first position to the maximum open position. 24. The apparatus of claim 18, wherein said first portions of said guide surfaces of said applier contact said opposed contact surfaces to wedge each of said ligation clips into the maximum open position. 25. The apparatus of claim 18, wherein said second portions of said guide surfaces of said clip applier are adapted to contact said proximal end of each of said ligation clips to align said clips with the mid-longitudinal axis of said clip applier. 26. The apparatus of claim 18, wherein said second portions of said guide surfaces face said mid-longitudinal axis of said clip applier.
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이 특허에 인용된 특허 (176)
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