Technical Realization Elements Of Positioning Mechanism And Surgical Robot

Technical implementation elements:

4. Based on this, it is necessary to provide a positioning mechanism and a surgical robot for the problem of how to ensure that the puncture sampling of the same lesion is consistent with the positioning of cryoablation, so as to improve the accuracy of surgery.

5. In one aspect, the present technology provides a positioning mechanism, comprising:

6. Mounting seat, the mounting seat is provided with a rotating shaft;

7. A first positioning member, the first positioning member is rotatably connected to the rotating shaft, and the first positioning member can be rotated around the rotating shaft to a first working position or a first avoiding position; and,

8. A second positioning member, the second positioning member is rotatably connected to the rotating shaft, and the second positioning member can be rotated around the rotating shaft to the second working position or the second avoiding position;

9. The positioning mechanism has a first working state and a second working state. In the first working state, the first positioning member is in the first working position for positioning the first instrument, and the second The positioning member is in the second avoiding position to avoid the first instrument; in the second working state, the second positioning member is in the second working position for positioning the second instrument, and the first positioning member in a second avoidance position to avoid the second instrument.

10. The technical solution of this technology is further described below:

11. In one embodiment, a first limiting structure is provided between the mounting seat and the first positioning member, and the first limiting structure is used to limit the first positioning member to the position of the first positioning member. The first working position or the first avoidance position

12. In one embodiment, the first limiting structure includes a first limiting pin movably disposed on the mounting seat, and the first positioning member is provided with a first limiting hole and a first limiting hole at intervals. Two limiting holes, when the first positioning member is at the first working position, the first limiting pin is inserted into the first limiting hole; when the first positioning member is at the first position In an avoidance position, the first limiting pin is inserted into the second limiting hole.

13. In one embodiment, a second limiting structure is provided between the mounting seat and the second positioning member, and the second limiting structure is used to limit the second positioning member to the The second working position or the second avoidance position.

14. In one of the embodiments, the second limiting structure includes a second movably disposed on the mounting seat.

A limit pin and a third limit pin, the second positioning member is provided with a third limit hole, when the second positioning member is in the second working position, the second limit pin is inserted in the the third limiting hole; when the second positioning member is located at the second avoidance position, the third limiting pin is inserted into the third limiting hole.

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