CN-122005008-A - Integrated annular cutter head, surgical knife and surgical robot

CN122005008ACN 122005008 ACN122005008 ACN 122005008ACN-122005008-A

Abstract

The invention provides an integrated annular cutter head, a surgical knife and a surgical robot, and relates to the field of medical appliances, wherein the integrated annular cutter head comprises an annular cutter head and an energy conversion component integrally arranged on the annular cutter head; wherein at least part of the inner surface of the central through hole of the annular cutter head forms a cutting edge. The integrated annular cutter head can more smoothly transmit vibration signals, and a vibration cutting device using the integrated annular cutter head has smaller size.

Inventors

QIU XUEWEN
YANG LU
YI CHENGQI
XIAO FAN
FU JINBI

Assignees

武汉半边天微创医疗技术有限公司

Dates

Publication Date: 20260512
Application Date: 20260209

Claims (10)

1. An integrated annular cutter head, characterized in that the integrated annular cutter head comprises: Annular cutter head, and The energy conversion component is integrally arranged on the annular cutter head; Wherein, at least part of the internal surface of the middle through hole of the annular cutter head forms a cutting edge.
2. The integrated annular cutter head of claim 1 wherein a portion of the inner surface of the central throughbore forms the cutting edge and the cutting edge is located on a side remote from the energy conversion member.
3. The integrated annular cutter head of claim 2 wherein the inner surface comprises a circular inner wall and the cutting edge; The annular cutter head further comprises a transition curved surface, the transition curved surface is connected with the circular arc inner wall and the cutting edge, so that the dimension of the circular arc inner wall in the thickness direction is smoothly transited to the dimension of the cutting edge in the thickness direction, and the thickness direction is parallel to the depth direction of the middle through hole.
4. A unitary annular cutter according to any one of claims 1 to 3, further comprising: a cutter bar portion extending in a first direction in which one end of the cutter bar portion is connected to the energy conversion member and the other end of the cutter bar portion is connected to the annular cutter head; The cutter bar part is a cylinder, and an arc-shaped transition surface is arranged between the cutter bar part and the annular cutter head.
5. A surgical knife, the surgical knife comprising: an integrated annular cutter head as claimed in any one of claims 1 to 4, and The cutter bar is connected with the integrated annular cutter head, and a hollow channel is formed in the cutter bar; The energy generating device is connected with the energy conversion component through a wire; Wherein the energy conversion component is used for converting energy of the energy generation device into vibration energy.
6. The scalpel of claim 5, further comprising a sleeve that is sleeved outside of the energy conversion member and the blade bar to connect the energy conversion member with the blade bar.
7. The scalpel of claim 5 or 6, wherein the blade carrier is detachably connected to the energy conversion member.
8. A surgical robot, the surgical robot comprising: an integrated annular cutter head as claimed in any one of claims 1 to 4, and An operation part connected with the integrated annular cutter head; a lever portion extending in the first direction and connected to the operation portion, the operation portion being capable of deflecting with respect to the lever portion in a direction perpendicular to the first direction; a yaw drive assembly for driving the operation portion to yaw with respect to the lever portion, a portion of the yaw drive assembly passing through the lever portion; the energy conversion device is used for converting energy of the energy generation device into vibration energy.
9. The surgical robot of claim 8, wherein the shaft comprises: a first part connected to the operation part; The second part is connected with the first part through a movable joint so that the first part can deflect relative to the second part.
10. The surgical robot of claim 9, wherein one end of the movable joint has a first arc surface that abuts an end surface of the first portion, and the other end of the movable joint has a second arc surface that abuts an end surface of the second portion; The two first arc surfaces are positioned on two sides of the movable joint in a third direction, the two second arc surfaces are positioned on two sides of the movable joint in a fourth direction, the third direction is perpendicular to a first axis, the fourth direction is perpendicular to the first axis and the first direction, and the first axis is a central axis parallel to the extending direction of the rod portion.

Description

Integrated annular cutter head, surgical knife and surgical robot Technical Field The invention relates to the field of medical instruments, in particular to an integrated annular cutter head, a surgical knife and a surgical robot. Background The cutting ring is a surgical cutting tool, and can be applied to the scenes of skin cutting operation, circular cutting operation and the like, for example, the cutting depth and the cutting range of the surgical knife with the structure can be accurately controlled. The related annular cutter head can cause the problems of larger vibration transmission difficulty and larger size of the vibration cutting equipment under the condition of being applied to the vibration cutting equipment. Disclosure of Invention The embodiment of the invention provides an integrated annular cutter head, a surgical knife and a surgical robot, which are used for reducing the transmission difficulty of vibration signals while reducing the size of vibration cutting equipment, and are particularly suitable for enucleation surgery of the parts of the cavity channels such as urethra, vagina and the like. The first aspect of the embodiment of the invention provides an integrated annular cutter head, which comprises an annular cutter head and an energy conversion component integrally arranged on the annular cutter head, wherein at least part of the inner surface of a middle through hole of the annular cutter head forms a cutting edge. In some embodiments, a portion of the inner surface of the central through hole forms the cutting edge, and the cutting edge is located on a side remote from the energy conversion component. In some embodiments, the inner surface comprises an arc inner wall and the cutting edge, the annular cutter head further comprises a transition curved surface, and the transition curved surface connects the arc inner wall and the cutting edge, so that the dimension of the arc inner wall in the thickness direction smoothly transits to the dimension of the cutting edge in the thickness direction, and the thickness direction is parallel to the depth direction of the middle through hole. In some embodiments, the integrated annular cutter head further comprises a cutter bar part extending along a first direction, one end of the cutter bar part is connected with the energy conversion component in the first direction, the other end of the cutter bar part is connected with the annular cutter head, the cutter bar part is a cylinder, and an arc transition surface is arranged between the cutter bar part and the annular cutter head. A second aspect of the embodiment of the present invention provides a surgical knife, which comprises an integrated annular knife head provided in the first aspect of the foregoing embodiment, and a knife bar connected with the integrated annular knife head, wherein the knife bar has a hollow channel therein, and an energy generating device connected with the energy conversion component through a wire, wherein the energy conversion component is used for converting energy of the energy generating device into vibration energy. In some embodiments, the surgical knife further comprises a sleeve that is sleeved outside the energy conversion member and the blade bar to connect the energy conversion member with the blade bar. In some embodiments, the knife bar is detachably connected to the energy conversion member. A third aspect of the embodiment of the invention provides a surgical robot, which comprises the integrated annular cutter head provided by the first aspect of the embodiment, an operation part connected with the integrated annular cutter head, a rod part extending along the first direction and connected with the operation part, wherein the operation part can deflect relative to the rod part in a direction perpendicular to the first direction, a deflection driving assembly used for driving the operation part to deflect relative to the rod part, and a part of the deflection driving assembly penetrates through the rod part, wherein the energy conversion device is used for converting energy of the energy generation device into vibration energy. In some embodiments, the lever portion includes a first portion coupled to the operating portion and a second portion coupled to the first portion by a movable joint to enable the first portion to yaw relative to the second portion. In some embodiments, one end of the movable joint is provided with a first arc surface, the first arc surface is abutted against the end surface of the first portion, the other end of the movable joint is provided with a second arc surface, the second arc surface is abutted against the end surface of the second portion, the two first arc surfaces are located on two sides of the movable joint in a third direction, the two second arc surfaces are located on two sides of the movable joint in a fourth direction, the third direction is perpendicular to a first axis, the fourth direction is perpe