최소 단어 이상 선택하여야 합니다.
최대 10 단어까지만 선택 가능합니다.
다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
NTIS 바로가기다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
DataON 바로가기다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
Edison 바로가기다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
Kafe 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
|
출원번호 | US-0536295 (2012-06-28) |
등록번호 | US-9119657 (2015-09-01) |
발명자 / 주소 |
|
출원인 / 주소 |
|
인용정보 | 피인용 횟수 : 301 인용 특허 : 1976 |
A surgical instrument may include an end effector, an input drive shaft, a closure drive, and/or a firing drive. The end effector may comprise a jaw assembly including a first jaw member and a second jaw member. The end effector may comprise an I-beam member axially translated between a proximal pos
A surgical instrument may include an end effector, an input drive shaft, a closure drive, and/or a firing drive. The end effector may comprise a jaw assembly including a first jaw member and a second jaw member. The end effector may comprise an I-beam member axially translated between a proximal position and a distal position within the end effector. In one embodiment, the input drive shaft may selectively engage the firing drive and/or the closure drive. In one configuration, the closure drive is threadedly engaged with the firing drive allowing the input drive shaft, during a firing stroke, to simultaneously move the closure drive and the firing drive until the closure drive is disengaged from the firing drive. On a reverse stroke, the closure drive may be reengaged with the firing drive.
1. A surgical tool, comprising: an end effector, comprising: a first jaw member;a second jaw member; andan I-beam member configured to translate in an axial direction to cam the first jaw member toward the second jaw member, said I-beam member connected to a threaded rotary drive member coupled to a
1. A surgical tool, comprising: an end effector, comprising: a first jaw member;a second jaw member; andan I-beam member configured to translate in an axial direction to cam the first jaw member toward the second jaw member, said I-beam member connected to a threaded rotary drive member coupled to a rotary drive nut;a shaft assembly proximal to the end effector, wherein the end effector is configured to rotate relative to the shaft assembly;a rotary drive shaft configured to transmit rotary motions, the rotary drive shaft selectively movable axially between a first axial position and a second axial position relative to the shaft assembly; anda locking mechanism comprising a locking member movably coupled to the rotary drive shaft, wherein the locking member is axially movable with the rotary drive shaft, wherein the locking member is in a third axial position relative to the shaft assembly when the rotary drive shaft is in the first axial position, wherein the locking member is in a fourth axial position relative to the shaft assembly when the rotary drive shaft is in the second axial position, wherein the rotary drive shaft is rotatable relative to the locking member in the fourth axial position, wherein the locking member is configured to prevent rotation of the end effector when the locking member is in the third axial position, and wherein the locking member is disengaged from the end effector in the fourth axial position;wherein the rotary drive shaft is configured to engage with the rotary drive nut to transmit rotary motions to the rotary drive nut, and wherein rotary motions of the rotary drive nut actuate translation of the threaded rotary drive member and the I-beam member in the axial direction, andwherein the rotary drive shaft is configured to apply the rotary motions to the end effector when in the second axial position. 2. The surgical tool of claim 1, wherein the shaft assembly comprises an articulation joint configured to independently articulate the end effector in a vertical direction and a horizontal direction. 3. The surgical tool of claim 1, wherein the locking member comprises a spline lock. 4. A surgical tool, comprising: an end effector, comprising: a first jaw member;a second jaw member; andan I-beam member configured to translate in an axial direction to cam the first jaw member toward the second jaw member, the I-beam member connected to a threaded rotary drive member coupled to a rotary drive nut;a shaft assembly proximal to the end effector;a rotary drive shaft configured to transmit rotary motions, the rotary drive shaft being selectively moveable between a first position and a second position relative to the shaft assembly, wherein when in the first position, the rotary drive shaft is configured to engage with the rotary drive nut to transmit rotary motions to the rotary drive nut, and wherein rotary motions of the rotary drive nut actuate translation of the threaded rotary drive member and the I-beam in the axial direction, wherein the rotary drive shaft is configured to engage and selectively transmit the rotary motions to the end effector when the rotary drive shaft is in the second position, and wherein the rotary drive shaft is configured to disengage from the rotary drive nut when in the second position; anda locking mechanism comprising a locking member movably coupled to the rotary drive shaft, wherein the locking member is axially movable with the rotary drive shaft, wherein the locking member is in a third position relative to the shaft assembly when the rotary drive shaft is in the first position, wherein the locking member is in a fourth position relative to the shaft assembly when the rotary drive shaft is in the second position, wherein the rotary drive shaft is rotatable relative to the locking member in the fourth position, wherein the locking member is configured to rotationally lock the end effector to the shaft assembly in the third position, and wherein the locking member is configured to disengage from the end effector in the fourth position. 5. The surgical tool of claim 4, wherein the shaft assembly comprises an articulation joint configured to independently articulate the end effector in a vertical direction and a horizontal direction. 6. The surgical tool of claim 4, wherein the locking member comprises a spline lock, wherein the end effector comprises a first spline member, and wherein the shaft assembly comprises a second spline member. 7. The surgical tool of claim 6, wherein the spline lock is engaged with the first spline member and the second spline member in the third position, and wherein the spline lock is disengaged from the first spline member in the fourth position. 8. A surgical tool, comprising: a shaft assembly;an end effector extending distally from the shaft assembly, the end effector comprising: a first jaw member; anda second jaw member; wherein the first jaw member is movable relative to the second jaw member between an open position and a closed position;a first actuation mechanism comprising an I-beam member configured to translate in an axial direction to cam the first jaw member toward the second jaw member, the I-beam member connected to a threaded rotary drive member coupled to a rotary drive nut;a second actuation mechanism;a clutch member configured to selectively engage and transmit rotary motions to either the first or the second actuation mechanism, wherein the clutch member is selectively movable between a first distal position and a first proximal position, wherein the clutch member is configured to engage with the rotary drive nut to transmit the rotary motions to the rotary drive nut, and wherein the rotary motions of the rotary drive nut actuate translation of the threaded rotary drive member and the I-beam in the axial direction, wherein the clutch member is configured to transmit the rotary motions to the second actuation mechanism in the first proximal position to rotate the end effector relative to the shaft assembly; anda locking mechanism comprising a locking member movably coupled to the clutch member, wherein the locking member is axially movable with the clutch member between a second distal position and a second proximal position, wherein the locking member is in the second distal position when the clutch member is in the first distal position, wherein the locking member is in the second proximal position when the clutch member is in the first proximal position, wherein the clutch member is rotatable relative to the locking member in the second proximal position, wherein the locking member is configured to rotationally lock the end effector to the shaft assembly in the second distal position, and wherein the locking member is configured to disengage from the end effector in the second proximal position. 9. The surgical tool of claim 8 wherein the shaft assembly comprises an articulation joint configured to independently articulate the end effector in a vertical direction and a horizontal direction. 10. The surgical tool of claim 8, further comprising: an end effector drive housing removably coupled to the end effector; andan end effector connector tube rotatably coupled to the end effector drive housing, wherein the locking mechanism is configured to mechanically prevent rotation of the end effector drive housing relative to the end effector connector tube when the clutch member engages the first actuation mechanism. 11. The surgical tool of claim 10, wherein the locking mechanism comprises a spline lock connected to the clutch member, wherein the spline lock engages both the end effector drive housing and the end effector connector tube when the clutch member engages the first actuation mechanism, and wherein the spline lock disengages from the end effector drive housing when the clutch member engages the second actuation mechanism.
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