Medical devices with detachable pivotable jaws
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
A61B-017/128
A61B-017/122
A61B-017/08
A61B-017/10
A61B-017/29
A61B-017/00
A61B-017/12
출원번호
US-0753464
(2015-06-29)
등록번호
US-9987018
(2018-06-05)
발명자
/ 주소
Surti, Vihar C.
Martinez, Michelle D.
출원인 / 주소
Cook Medical Technologies LLC
대리인 / 주소
Brinks Gilson & Lione
인용정보
피인용 횟수 :
0인용 특허 :
122
초록▼
Medical systems, devices and methods are provided for engaging tissue, e.g. for clipping tissue, closing a perforation or performing hemostasis. Generally, the medical system including a housing, first and second jaws rotatable relative to the housing, a driver, and an elongate drive wire. The elong
Medical systems, devices and methods are provided for engaging tissue, e.g. for clipping tissue, closing a perforation or performing hemostasis. Generally, the medical system including a housing, first and second jaws rotatable relative to the housing, a driver, and an elongate drive wire. The elongate drive wire may be disconnected from the driver, first and second jaws, and the housing, which are left in vivo engaged with the tissue.
대표청구항▼
1. A medical device for engaging tissue, the medical device comprising: a housing defining an internal passageway and a longitudinal axis extending between proximal and distal ends of the housing;a first jaw slidably and pivotally connected to the housing, the first jaw having proximal and distal en
1. A medical device for engaging tissue, the medical device comprising: a housing defining an internal passageway and a longitudinal axis extending between proximal and distal ends of the housing;a first jaw slidably and pivotally connected to the housing, the first jaw having proximal and distal ends, the first jaw slidably received within the internal passageway for longitudinal movement between an extended position and a retracted position;a second jaw slidably and pivotally connected to the housing, the second jaw having proximal and distal ends, the second jaw slidably received within the internal passageway for longitudinal movement between an extended position and a retracted position; anda driver engaged with the proximal ends of the first and second jaws for movement therewith between the retracted position and the extended position, wherein, when the first and second jaws are in their retracted positions, distal advancement of the driver moves the first and second jaws distally towards the extended position without rotation, and wherein further distal advancement of the driver moves the driver distally relative to the proximal ends of the first and second jaws to rotate the first and second jaws relative to the housing, and wherein the driver engages the proximal ends of the first and second jaws at first and second engagement points on the first and second jaws in the retracted and extended positions, and wherein the further distal advancement of the driver moves the driver distally relative to the first and second engagement points. 2. The medical device of claim 1, wherein the housing defines first and second guide surfaces, the first and second guide surfaces each having a distal end, the first and second guide surfaces guiding longitudinal movement of the first and second jaws, respectively, and wherein the distal ends of the first and second guide surfaces restrict longitudinal movement of the first and second jaws beyond their extended positions, and wherein, when the first and second jaws are in their extended positions, distal advancement of the driver rotates the first and second jaws relative to the housing. 3. The medical device of claim 1, wherein the housing defines a driver guide surface, the driver guide surface guiding longitudinal movement of the driver on the longitudinal axis. 4. The medical device of claim 1, wherein the proximal ends of the first and second jaws are slidably and pivotally attached to the housing. 5. The medical device of claim 1, wherein the driver maintains its radial position relative to the longitudinal axis as the driver moves longitudinally between the retracted position and the extended position of the first and second jaws. 6. The medical device of claim 1, wherein the driver moves co-axially with the longitudinal axis as the first and second jaws rotate. 7. The medical device of claim 1, wherein the driver directly engages the proximal ends of the first and second jaws in the retracted position. 8. A medical device for engaging tissue, the medical device comprising: a housing defining an internal passageway and a longitudinal axis extending between proximal and distal ends of the housing, the housing defining first and second guide surfaces, the first and second guide surfaces each having a distal end;a first jaw slidably and pivotally connected to the housing, the first jaw having proximal and distal ends, the first jaw slidably received within the internal passageway for longitudinal movement guided by the first guide surface between an extended position and a retracted position, the distal end of the first guide surface restricting longitudinal movement of the first jaw beyond the extended position;a second jaw slidably and pivotally connected to the housing, the second jaw having proximal and distal ends, the second jaw slidably received within the internal passageway for longitudinal movement guided by the second guide surface between an extended position and a retracted position, the distal end of the second guide surface restricting longitudinal movement of the second jaw beyond the extended position;first and second pins slidably and pivotally connecting the first and second jaws to the housing, wherein the first and second pins slide along the first and second guide surfaces and abut the distal ends of the first and second guide surfaces in the extended positions; anda driver engaged with the proximal ends of the first and second jaws for movement therewith between the retracted position and extended position, wherein, when the first and second jaws are in their extended positions, further distal advancement of the driver rotates the first and second jaws relative to the housing. 9. The medical device of claim 8, wherein the first and second jaws rotate about the first and second pins, respectively. 10. The medical device of claim 8, wherein the driver moves distally relative to the proximal ends of the first and second jaws to rotate the first and second jaws relative to the housing. 11. The medical device of claim 8, wherein the driver maintains its radial position relative to the longitudinal axis as the driver moves longitudinally between the retracted position and the extended position of the first and second jaws. 12. The medical device of claim 8, wherein the driver directly engages the proximal ends of the first and second jaws in the retracted position. 13. A medical device for engaging tissue, the medical device comprising: a housing defining an internal passageway and a longitudinal axis extending between proximal and distal ends of the housing, the housing defining a driver guide surface;a first jaw slidably and pivotally connected to the housing, the first jaw having proximal and distal ends, the first jaw slidably received within the internal passageway for longitudinal movement between an extended position and a retracted position;a second jaw slidably and pivotally connected to the housing, the second jaw having proximal and distal ends, the second jaw slidably received within the internal passageway for longitudinal movement between an extended position and a retracted position; anda driver slidably connected to the housing for longitudinal movement guided by the driver guide surface, the driver engaged with the proximal ends of the first and second jaws for movement therewith, the driver maintaining its radial position relative to the longitudinal axis as the driver moves along the driver guide surface between the retracted position and the extended position of the first and second jaws, further longitudinal movement of the driver, when the first and second jaws are in their extended positions, rotating the first and second jaws relative to the housing, the driver maintaining its radial position relative to the longitudinal axis during such further longitudinal movement and rotation of the first and second jaws. 14. The medical device of claim 13, wherein the driver moves longitudinally on the longitudinal axis as the first and second jaws rotate. 15. The medical device of claim 13, wherein the driver moves co-axially with the longitudinal axis as the first and second jaws rotate. 16. The medical device of claim 13, wherein the driver guide surface guides movement of the driver in a longitudinal plane, and wherein the driver guide surface prevents movement of the driver away from the longitudinal plane. 17. The medical device of claim 13, wherein the driver guide surface is defined by C-shaped channel receiving the driver therein. 18. The medical device of claim 17, wherein the driver guide surface is defined by two C-shaped channels formed on opposing sides of the housing. 19. The medical device of claim 13, wherein the housing defines first and second guide surfaces, the first and second guide surfaces each having a distal end, the first and second guide surfaces guiding longitudinal movement of the first and second jaws, respectively, and wherein the distal end of the first and second guide surfaces restricts longitudinal movement of the first and second jaws beyond their extended positions, and wherein, when the first and second jaws are in their extended positions, distal advancement of the driver rotates the first and second jaws relative to the housing. 20. The medical device of claim 13, wherein the driver directly engages the proximal ends of the first and second jaws in the retracted position.
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