Compound angle laparoscopic methods and devices
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
A61B-019/00
A61B-017/00
A61B-017/29
A61B-017/34
A61B-017/28
출원번호
US-0032747
(2013-09-20)
등록번호
US-9468426
(2016-10-18)
발명자
/ 주소
Conlon, Sean P.
Weisenburgh, II, William B.
출원인 / 주소
Ethicon Endo-Surgery, Inc.
대리인 / 주소
Mintz Levin Cohn Ferris Glovsky and Popeo, P.C.
인용정보
피인용 횟수 :
1인용 특허 :
261
초록▼
Methods and devices are provided for performing minimally invasive surgical procedures. In one embodiment, a surgical device is provided that include an elongate shaft having a distal portion configured to be movable between a first configuration in which the distal portion of the shaft is substanti
Methods and devices are provided for performing minimally invasive surgical procedures. In one embodiment, a surgical device is provided that include an elongate shaft having a distal portion configured to be movable between a first configuration in which the distal portion of the shaft is substantially straight or linear and a second configuration in which the distal portion of the shaft is articulated at a compound angle. The shaft's distal portion can include two articulation joints to facilitate formation of the compound angle.
대표청구항▼
1. An articulating laparoscopic access device, comprising: an elongate shaft;a first linkage having proximal and distal ends, the proximal end of the first linkage being pivotally coupled to a distal end of the elongate shaft at a first pivot point;a second linkage having proximal and distal ends;a
1. An articulating laparoscopic access device, comprising: an elongate shaft;a first linkage having proximal and distal ends, the proximal end of the first linkage being pivotally coupled to a distal end of the elongate shaft at a first pivot point;a second linkage having proximal and distal ends;a linkage bar having proximal and distal ends, a proximal end of the linkage bar being pivotally coupled to the distal end of the first linkage at a second point, and the distal end of the linkage bar being pivotally coupled to the proximal end of the second linkage at a third pivot point;wherein the first and second linkages and the linkage bar are configured to move from a first position, in which the first and second linkages and the linkage bar are longitudinally aligned, in which the first linkage defines a first straight longitudinal axis, and in which the second linkage defines a second straight longitudinal axis, to a second position, in which the distal end of the first linkage, the proximal end of the second linkage, and the proximal and distal ends of the linkage bar are displaced from a longitudinal axis of the elongate shaft, in which the first and second longitudinal axes remain straight, and in which the proximal end of the first linkage and the distal end of the second linkage are not displayed from the longitudinal axis of the elongate shaft. 2. The system of claim 1, wherein the first and second linkages extend substantially perpendicular to one another when the first and second linkages are in the second position. 3. The device of claim 1, further comprising an actuator coupled to the distal end of the second linkage and being longitudinally movable in proximal and distal directions relative to the elongate shaft. 4. The device of claim 3, wherein in the second position, the first longitudinal axis of the first linkage, the second longitudinal axis of the second linkage, and a longitudinal axis of the actuator form a substantially triangular shape. 5. The device of claim 3, wherein the distal end of the second linkage is pivotally coupled to the actuator at a fourth pivot point, the actuator constraining the fourth pivot point to movement parallel to the longitudinal axis of the elongate shaft. 6. The device of claim 3, wherein the actuator is a rigid rod. 7. The device of claim 1, wherein the proximal end of the first linkage is axially fixed relative to the longitudinal axis of the elongate shaft. 8. The system of claim 1, wherein the first and second linkages comprise tubular members having an inner lumen configured to receive a tool therein. 9. The device of claim 1, wherein the proximal end of the linkage bar is seated within a first groove formed in the distal end of the first linkage, and wherein the distal end the linkage bar is seated within a second groove formed in the proximal end of the second linkage, the first groove defining a first range of motion and the second groove defining a second range of motion. 10. The device of claim 1, further comprising an end effector coupled to the distal end of the second linkage. 11. The device of claim 10, wherein the end effector includes opposed jaws, and the device includes a second actuator extending through the elongate shaft, the first linkage, and the second linkage and coupled to a proximal end of the opposed jaws, the second actuator being configured to move the opposed jaws between a closed position and an open position. 12. A laparoscopic system, comprising: an elongate shaft;an articulating portion consisting of: a first linkage coupled to the elongate shaft at a first joint,a second linkage coupled to the first linkage at a second joint, the second joint being movable radially outward relative to a central longitudinal axis of the elongate shaft, andan end effector directly coupled to a distal end of the second linkage; andan actuator coupled to the distal end of the second linkage and being movable relative to the elongate shaft, the actuator constraining the distal end of the second linkage to movement parallel to a longitudinal axis of the elongate shaft. 13. The system of claim 12, wherein the end effector is angularly oriented relative to the central longitudinal axis when the second joint is disposed radially outward from the central longitudinal axis. 14. The system of claim 12, wherein the actuator extends parallel to and offset from the central longitudinal axis of the elongate shaft. 15. The system of claim 12, wherein the distal end of the actuator is coupled to the distal end of the second linkage at a pivot point such that the second linkage is configured to pivot about the pivot point relative to the actuator. 16. The system of claim 12, wherein the actuator is configured to move proximally to move the second joint radially outward relative to the central axis of the elongate shaft. 17. The system of claim 12, wherein the first and second linkages are positioned on the same side relative to the central axis of the elongate shaft when the second joint is disposed radially outward from the central axis. 18. The system of claim 12, further comprising a locking mechanism configured to lock the articulation assembly in a fixed position relative to the elongate shaft. 19. An articulating laparoscopic access device, comprising: an elongate shaft;a first linkage having proximal and distal ends, the proximal end of the first linkage being pivotally coupled to a distal end of the elongate shaft at a first pivot point;a second linkage having proximal and distal ends;a linkage bar having proximal and distal ends, a proximal end of the linkage bar being pivotally coupled to the distal end of the first linkage at a second point, and the distal end of the linkage bar being pivotally coupled to the proximal end of the second linkage at a third pivot point; andan actuator coupled to the distal end of the second linkage and being longitudinally movable in proximal and distal directions relative to the elongate shaft,wherein the first and second linkages and the linkage bar are configured to move from a first position in which the first and second linkages and the linkage bar are longitudinally aligned to a second position in which the distal end of the first linkage, the proximal end of the second linkage, and the proximal and distal ends of the linkage bar are displaced from the longitudinal axis of the elongate shaft, andwherein the distal end of the second linkage is pivotally coupled to the actuator at a fourth pivot point, the actuator constraining the fourth pivot point to movement parallel to a longitudinal axis of the elongate shaft. 20. The device of claim 19, wherein the distal end of the second linkage is pivotally coupled to the actuator at a fourth pivot point, the actuator constraining the fourth pivot point to movement parallel to the longitudinal axis of the elongate shaft.
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