A medical equipment includes a surgical instrument having a movable part to perform medical treatment on a target spot, an actuator configured to operate the movable part, and a detachable interface installed on the surgical instrument and configured to attachably and detachably couple the surgical
A medical equipment includes a surgical instrument having a movable part to perform medical treatment on a target spot, an actuator configured to operate the movable part, and a detachable interface installed on the surgical instrument and configured to attachably and detachably couple the surgical instrument to the actuator. The detachable interface has an origin return mechanism configured to move the movable part to a predetermined origin position when the surgical instrument is detached from the actuator.
대표청구항▼
1. A medical equipment comprising: an actuator configured to generate rotary motion about a first axis; anda surgical instrument comprising: an end effector configured to move;a rotary member configured to be detachably connected to the actuator, wherein the rotary member is configured to rotate abo
1. A medical equipment comprising: an actuator configured to generate rotary motion about a first axis; anda surgical instrument comprising: an end effector configured to move;a rotary member configured to be detachably connected to the actuator, wherein the rotary member is configured to rotate about a second axis, coaxial with the first axis, in accordance with receiving the rotary motion to move the end effector; andan origin return mechanism configured to rotate the rotary member about the second axis to a predetermined origin position when the rotary member is detached from the actuator. 2. The medical equipment according to claim 1, wherein the origin return mechanism comprises: a moving member connected to the rotary member, wherein the moving member is configured to be rotated by the rotary member about the second axis to move the end effector; anda return member configured to contact the moving member such that the moving member rotates the rotary member about the second axis to the predetermined origin position. 3. The medical equipment according to claim 2, wherein the return member comprises a biasing member configured to bias the moving member and to cause the moving member to rotate the rotary member about the second axis to the predetermined origin position. 4. The medical equipment according to claim 3, further comprising a regulating member configured to regulate movement of the moving member by the biasing member. 5. The medical equipment according to claim 4, wherein the regulating member comprises an adjustment part configured to adjust an amount of the movement of the moving member. 6. The medical equipment according to claim 3, wherein the biasing member comprises a damper. 7. The medical equipment according to claim 2, wherein the actuator comprises: a shaft body configured to be rotated; anda power source configured to rotate the shaft body using a central axis of the shaft body as a rotational center,wherein the rotary member is configured to be detachably connected to the shaft body and to be rotated about the second axis along with the shaft body, andwherein the surgical instrument further comprises a power transmission member, wherein a first portion of the power transmission member is coupled to the moving member, and a second portion of the power transmission member is coupled to the end effector such that the end effector is moved via the power transmission member by a rotation of the rotary member and the moving member about the second axis. 8. The medical equipment according to claim 7, wherein the moving member comprises a cam configured to extend in a circumferential direction of the moving member, andwherein the return member comprises a cam pin configured to come into contact with and press the cam such that the moving member rotates the rotary member about the second axis to the predetermined origin position. 9. The medical equipment according to claim 8, wherein the rotary member comprises a stopper configured to regulate a rotation of the rotary member so that the rotary member is stopped at the predetermined origin position. 10. The medical equipment according to claim 7, wherein the moving member comprises a cam configured to extend in a circumferential direction of the moving member, andwherein the rotary member comprises a stopper configured to regulate a rotation of the rotary member so that the rotary member is stopped at the predetermined origin position. 11. The medical equipment according to claim 2, wherein the return member comprises: a string member put on an outer circumference of the moving member; andsprings fixed to the string member, andwherein the moving member is connected to the springs via the string member so as to rotate the rotary member about the second axis to the predetermined origin position when no external force is applied to the springs. 12. A surgical instrument comprising: an end effector configured to be moved;a rotary member configured to be detachably connected to an actuator configured to generate rotary motion about a first axis, the rotary member being configured to rotate about a second axis, coaxial with the first axis, in accordance with receiving the rotary motion to move the end effector; andan origin return mechanism configured to rotate the rotary member about the second axis to a predetermined origin position when the rotary member is detached from the actuator. 13. A medical equipment comprising: an actuator configured to generate rotary motion; anda surgical instrument comprising: an end effector configured to be moved;an origin return mechanism; anda rotary member having a connected state and a disconnected state, wherein in the connected state, the origin return mechanism is configured to disengage from the rotary member, and the rotary member is configured to be connected to the actuator to be rotated about a rotation axis by the rotary motion to move the end effector, andwherein in the disconnected state, the rotary member is configured to be disconnected from the actuator, and the origin return mechanism is configured to engage the rotary member to rotate the rotary member to a predetermined position. 14. The medical equipment according to claim 13, wherein the origin return mechanism comprises a pressing member, andwherein in the disconnected state, the rotary member is configured to be disconnected from the actuator, and the pressing member is configured to press the rotary member to rotate the rotary member to the predetermined position. 15. A surgical instrument comprising: an end effector configured to be moved;an origin return mechanism; anda rotary member having a connected state and a disconnected state, wherein in the connected state, the origin return mechanism is configured to disengage from the rotary member, and the rotary member is configured to be connected to an actuator configured to generate rotary motion, to be rotated about a rotation axis by the rotary motion to move the end effector, andwherein in the disconnected state, the rotary member is configured to be disconnected from the actuator, and the origin return mechanism is configured to engage the rotary member to rotate the rotary member to a predetermined position.
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