[미국특허]
Shaft, e.g., for an electro-mechanical surgical device
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
A61B-017/04
A61B-010/04
A61B-001/04
A61B-017/00
A61B-017/068
A61B-017/115
A61B-017/128
A61B-017/72
A61B-019/00
A61B-017/29
출원번호
US-0495920
(2006-07-27)
등록번호
US-8960519
(2015-02-24)
발명자
/ 주소
Whitman, Michael P.
Malinouskas, Donald T.
출원인 / 주소
Covidien LP
인용정보
피인용 횟수 :
101인용 특허 :
9
초록▼
A shaft being, e.g., flexible, that includes an elongated outer sheath, at least one drive shaft disposed within the outer sheath and a ring non-rotatably mounted on the at least one rotatable drive shaft and at least one light source mounted within the shaft, such that, upon rotation of the at leas
A shaft being, e.g., flexible, that includes an elongated outer sheath, at least one drive shaft disposed within the outer sheath and a ring non-rotatably mounted on the at least one rotatable drive shaft and at least one light source mounted within the shaft, such that, upon rotation of the at least one rotatable drive shaft, the ring alternately blocks and allows light from the light source to be detected. The shaft may also include a moisture sensor disposed within the outer sheath of the shaft and configured to detect moisture within the outer sheath. The shaft may include couplings that connect a distal end of the outer sheath to a surgical attachment and a proximal end of the outer sheath to a remote power console.
대표청구항▼
1. A surgical instrument including a shaft having an elongated outer sheath, an anvil, and a staple/driver cutter, the surgical instrument comprising: a plurality of rotatable drive shafts disposed within the outer sheath, each of the plurality of rotatable drive shafts configured to rotate at a sel
1. A surgical instrument including a shaft having an elongated outer sheath, an anvil, and a staple/driver cutter, the surgical instrument comprising: a plurality of rotatable drive shafts disposed within the outer sheath, each of the plurality of rotatable drive shafts configured to rotate at a selectable speed setting and a selectable torque setting; anda quadrature ring having two tabs and two phototransistors, the two tabs mounted on at least one rotatable drive shaft of the plurality of rotatable drive shafts, the two tabs extending radially from and configured to rotate with the at least one rotatable drive shaft of the plurality of rotatable drive shafts, and the two phototransitors mounted proximal to the two tabs of the quadrature ring and within the outer sheath arranged approximately 90 degrees from each other relative to an axis of the at least one rotatable drive shaft of the plurality of rotatable drive shafts and a plurality of light sources mounted distal to the two tabs and within the outer sheath, wherein, upon rotation of the at least one rotatable drive shaft of the plurality of rotatable drive shafts, the two tabs alternately block and allow light from each of the plurality of light sources to be detected by the two phototransitors to permit the quadrature ring to determine angular position and rotational direction of the at least one rotatable drive shaft of the plurality of rotatable drive shafts based on one-quarter-revolution increments;wherein the angular position and rotational direction determined by the quadrature ring facilitate determination of a relative displacement of the anvil with respect to the staple/driver cutter. 2. The surgical instrument according to claim 1, wherein each of the plurality of light sources is mounted at a distal end of the shaft. 3. The surgical instrument according to claim 1, wherein the shaft is flexible. 4. The surgical instrument according to claim 1, wherein the shaft is rigid. 5. The surgical instrument according to claim 1, wherein the shaft is articulable. 6. The surgical instrument according to claim 1, wherein the shaft is articulatable. 7. The surgical instrument according to claim 1, wherein each of the plurality of light sources is a light-emitting diode. 8. The surgical instrument according to claim 7, wherein the outer sheath is autoclavable. 9. The surgical instrument according to claim 7, wherein the outer sheath includes a fluoropolymer/silicone material. 10. The surgical instrument according to claim 1, further comprising at least one fiber optic cable for transmitting light from each of the plurality of light sources. 11. The surgical instrument according to claim 10, wherein the two tabs of the quadrature ring and the plurality of light sources are configured such that light transmitted from each of the plurality of light sources is interpretable by a controller in order to determine the rotation of the at least one rotatable drive shaft of the plurality of rotatable drive shafts. 12. The surgical instrument according to claim 11, wherein the controller is disposed within a remote power console. 13. The surgical instrument according to claim 12, further comprising a first coupling at a proximal end of the shaft, the first coupling being configured to detachably couple the shaft to the remote power console. 14. The surgical instrument according to claim 13, further comprising a second coupling connected to a distal end of the outer sheath configured to detachably couple to a surgical attachment. 15. The surgical instrument according to claim 14, wherein the controller is configured to determine a position of a component of the surgical attachment based upon an interpretation of the transmitted light. 16. The surgical instrument according to claim 1, further comprising a moisture sensor disposed within the outer sheath configured to detect moisture within the outer sheath. 17. The surgical instrument according to claim 1, further comprising a memory unit disposed in the shaft. 18. The surgical instrument according to claim 17, wherein the memory unit stores data including at least one of serial number data, identification data or usage data. 19. The surgical instrument according to claim 18, further comprising a data transfer cable disposed within the shaft, wherein the memory unit is logically and electrically connected to the data transfer cable. 20. A surgical instrument including a shaft having an elongated outer sheath, an anvil, and a staple/driver cutter, the surgical instrument comprising: a plurality of rotatable drive shafts disposed within the outer sheath, each of the plurality of rotatable drive shafts configured to rotate at a selectable speed setting and a selectable torque setting;a plurality of light sources mounted at a distal position within the outer sheath;a quadrature ring having two tabs mounted on at least one rotatable shaft of the plurality of rotatable drive shafts, the two tabs extending radially from and configured to rotate with the at least one rotatable drive shaft of the plurality of rotatable drive shafts; andat least one fiber optic cable extending along the length of the elongated outer sheath and configured to transmit light received from each of the plurality of light sources at the distal position within the outer sheath to a proximal position within the outer sheath, wherein, upon rotation of the at least one rotatable drive shaft of the plurality of rotatable drive shafts, the two tabs of the quadrature ring alternately block and allow light from each of the plurality of light sources to be received and transmitted by the at least one fiber optic cable to permit the quadrature ring to determine angular position and rotational direction of the at least one rotatable drive shaft of the plurality of rotatable drive shafts based on one-quarter-revolution increments;wherein the angular position and rotational direction determined by the quadrature ring facilitate determination of a relative displacement of the anvil with respect to the staple/driver cutter.
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