[미국특허]
System for managing Bowden cables in articulating instruments
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
A61B-001/005
B25J-009/06
G02B-023/24
출원번호
US-0871104
(2007-10-11)
등록번호
US-9220398
(2015-12-29)
발명자
/ 주소
Woodley, Bruce Robert
Oen, Joshua
Brown, Aaron
Julian, Chris
Laby, Keith P.
Keller, Wade
Kerver, Lawrence
Kreidler, Marc
Reiner, Scott
Whitin, Katherine
출원인 / 주소
Intuitive Surgical Operations, Inc.
인용정보
피인용 횟수 :
6인용 특허 :
287
초록▼
The present invention relates, generally, to the reduction or elimination of permanent and catastrophic herniations in Bowden cables or coil pipes in articulating devices or snake-like robots. More particularly, the present invention relates managing the coil pipes in a spiral pattern along the arti
The present invention relates, generally, to the reduction or elimination of permanent and catastrophic herniations in Bowden cables or coil pipes in articulating devices or snake-like robots. More particularly, the present invention relates managing the coil pipes in a spiral pattern along the articulating device or snake-like robot to reduce or eliminate the necessity of the Bowden cables or coil pipes to slide along the length of the articulating device or snake-like robot. Reduction or elimination of the necessity for the Bowden cables or coil pipes to slide reduces or eliminates catastrophic herniations in articulating devices or snake-like robots undergoing one or more articulations.
대표청구항▼
1. A system for managing the transmission of force to articulate an elongate medical device, the system comprising: an elongate body comprising a plurality of articulatable segments;a plurality of coil pipes, wherein each coil pipe is fixed at a proximal end of each coil pipe relative to an actuator
1. A system for managing the transmission of force to articulate an elongate medical device, the system comprising: an elongate body comprising a plurality of articulatable segments;a plurality of coil pipes, wherein each coil pipe is fixed at a proximal end of each coil pipe relative to an actuator, and at a distal end of each coil pipe relative to a proximal portion of a differing one of said plurality of articulatable segments; anda plurality of tensioning members each housed in one of said plurality of coil pipes, wherein a proximal end of each of said plurality of tensioning members is coupled to said actuator, wherein a distal end of each of said plurality of tensioning members extends out the distal end of one of said plurality of coil pipes, and wherein the articulatable segments are actuated by the plurality of tensioning members, with the distal ends of at least two of the plurality of tensioning members being connected to differing articulatable segments of the plurality of articulatable segments to respectively actuate the differing articulatable segments in response to tensioning of the tensioning members,wherein said plurality of coil pipes extend along each of the differing articulatable segments in a spiral pattern; andwherein the articulatable segments comprise: a proximal vertebra control ring located in a proximal portion of the articulatable segments, a distal vertebra control ring located in a distal portion of the articulatable segments, and at least one intermediate vertebra control ring disposed between the proximal and distal vertebra control rings,wherein each of the proximal and distal vertebra control rings includes a plurality of bypass passages respectively arranged to receive and route the coil pipes in the spiral pattern, andwherein the at least one intermediate vertebra control ring has a single, centrally disposed passage, the coil pipes passing through the centrally disposed passage as the coil pipes extend in the spiral pattern from the proximal vertebra control ring to the distal vertebra control ring. 2. The system according to claim 1, wherein each of the proximal and distal vertebra control rings comprises four bypass passages located at quadrants of the proximal and distal vertebra control rings. 3. The system according to claim 1, wherein said spiral pattern comprises an approximate integral number of approximately full spiral turns along each of the differing articulatable segments. 4. The system according to claim 3, wherein said approximate integral number is approximately one. 5. The system according to claim 1, wherein said plurality of coil pipes are constructed from approximately round wire. 6. The system according to claim 1, wherein said plurality of coil pipes are constructed from D-shaped wires. 7. The system according to claim 1, wherein said plurality of coil pipes are centerless ground. 8. The system according to claim 1, wherein each coil pipe comprises: a wire coiled into a plurality of windings to form the coil pipe, wherein a cross-section of each of the plurality of windings comprises: two approximately parallel approximately flat sides extending in a direction along a longitudinal axis of the pipe and between first and second oppositely disposed extremities of the cross-section,wherein the first extremity has a convex surface, andwherein the second extremity has a concave surface,wherein the concave and convex surfaces of adjacent windings of the plurality of windings approximately nest with one another; andwherein said approximately parallel flat sides of the plurality of windings together define an interior and an exterior of said pipe. 9. The system according to claim 8, wherein the wire is a solid wire. 10. The system according to claim 8, wherein said convex surface and said concave surface each have an approximately curved shape. 11. The system according to claim 10, wherein said approximately curved shape is a partial circumference of an approximate circle. 12. The system according to claim 8, wherein said convex surface and said concave surface have an approximately angular shape. 13. The system according to claim 12, wherein said angular shape is an approximate V-shape. 14. The system according to claim 1, wherein the coil pipes are made of solid wire. 15. The system according to claim 1, wherein each of the proximal and distal vertebra control rings comprises four bypass passages located at quadrants of the proximal and distal vertebra control rings; and wherein the quadrants are formed by a body and a cross bar within the body. 16. The system according to claim 15, wherein the cross bar pivots relative to the body of the proximal vertebrae control ring. 17. The system according to claim 1, wherein more than one tensioning member and more than one coil pipe extend through each of the bypass passages of the proximal and distal vertebra control rings. 18. The system according to claim 1, wherein the bypass passages of the proximal and distal vertebra control rings are rotationally offset relative to one another with respect to a longitudinal axis of the elongate body to route the plurality of coil pipes in the spiral pattern. 19. The system according to claim 1, wherein the centrally disposed passage of the at least one intermediate vertebra control ring is configured to provide a relatively unconstrained space in which the coil pipes are received. 20. A system for managing the transmission of force in an articulating device, the system comprising: an elongate body comprising a plurality of articulatable segments;a plurality of Bowden-type cables, wherein a proximal end of each of the Bowden-type cables is coupled to an actuator and distal ends of at least two of the Bowden-type cables are connected to differing articulatable segments of the plurality of articulatable segments to respectively actuate the differing articulatable segments in response to tensioning of the Bowden-type cables,wherein the at least two of the Bowden-type cables extend along each of the differing articulatable segments in a spiral pattern;wherein the Bowden-type cables comprise coils wound into coil pipes and tensioning members that pass through the coil pipes,wherein the coil pipes have an approximately flat outer surface along an axial length of the coil pipe;wherein the articulatable segments comprise: a proximal vertebra control ring located in a proximal portion of the articulatable segments, a distal vertebra control ring located in a distal portion of the articulatable segments, and at least one intermediate vertebra control ring disposed between the proximal and distal vertebra control rings,wherein each of the proximal and distal vertebra control rings include a plurality of bypass passages, the bypass passages of the proximal and distal vertebra control rings being respectively arranged to receive and route the Bowden-type cables in the spiral pattern, andwherein the at least one intermediate vertebra control ring has a single, centrally disposed passage, the Bowden-type cables passing through the centrally disposed passage as the Bowden-type cables extend in the spiral pattern from the proximal vertebra control ring to the distal vertebra control ring. 21. The system according to claim 20, wherein said spiral pattern comprises an approximate integral number of approximately full spiral turns along each of said plurality of articulatable segments. 22. The system according to claim 21, wherein said approximate integral number is approximately one. 23. The system according to claim 20, wherein each of the proximal and distal vertebra control rings comprises four bypass passages located at quadrants of the proximal and distal vertebra control rings. 24. The system according to claim 20, wherein the bypass passages of the proximal and distal vertebra control rings are rotationally offset relative to one another with respect to a longitudinal axis of the elongate body to route the plurality of Bowden-type cables in the spiral pattern. 25. The system according to claim 20, wherein the centrally disposed passage of the at least one intermediate vertebra control ring is configured to provide a relatively unconstrained space in which the Bowden-type cables are received.
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