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Marker positioning device

A positioning device and marking technology, applied in surgical robots, surgical navigation systems, etc., can solve the problems of loosening of the robotic arm tracker and the positioner, and the influence of joint replacement surgery, so as to improve the accuracy of motion detection, reduce the difficulty of surgery, and improve the operation efficiency. handy effect

Active Publication Date: 2019-06-28
SHANGHAI ELECTRICGROUP CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The technical problem to be solved by the present invention is to provide a marker positioning device in order to overcome the defect that the mechanical arm tracer and the locator are easily loosened in the prior art, thereby causing a great impact on the joint replacement operation

Method used

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  • Marker positioning device
  • Marker positioning device

Examples

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Embodiment 1

[0058] Such as figure 1 with figure 2As shown, the marker positioning device of Embodiment 1 of the present invention includes a tracking assembly 1 and a positioning assembly 2. The tracking assembly 1 includes a reference frame 11 and a tracking frame 12. One end of the tracking frame 12 is connected to the reference frame 11, and the other end of the tracking frame 12 One end is provided with a first tooth portion 121 , the positioning assembly 2 is provided with a second tooth portion 21 , the first tooth portion 121 is engaged with the second tooth portion 21 , and the positioning assembly 2 is connected with the tracking bracket 12 . When the tracking assembly 1 is connected to the positioning assembly 2, it is connected to the positioning assembly 2 through the tracking bracket 12, and the first tooth portion 121 is engaged with the second tooth portion 21, so that the tracking assembly 1 and the positioning assembly 2 are not easily connected after being connected. L...

Embodiment 2

[0068] The structure of the marker positioning device of this embodiment is the same as that of Embodiment 1, and will not be repeated, and only the differences will be described. The positioning assembly in this embodiment 2 is different from the positioning assembly in embodiment 1. The positioning assembly includes a first locking shaft and a positioning mechanism. The second tooth part is arranged on the positioning mechanism. The first locking shaft passes through and threads It is connected to the first tooth portion, and the first locking shaft is threadedly connected to the second tooth portion. The positioning assembly in this embodiment 2 omits the structure of the connecting head and the second locking shaft, the second tooth part is directly arranged at the end of the clamp, and the tracking bracket and the clamp are directly connected by the first tooth part and the The second teeth are meshed and connected, and the structure is simple and the operation is conveni...

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Abstract

The invention discloses a marker positioning device. The marker positioning device comprises a tracing assembly and a positioning assembly, wherein the tracing assembly comprises a reference frame anda tracing bracket, one end of the tracing bracket is connected to the reference frame, the other end of the tracing bracket is provided with a first tooth part, the positioning assembly is provided with a second tooth part, the first tooth part is meshed with the second tooth part, and the positioning assembly is connected with the tracing assembly. The marker positioning device has the advantages that the first tooth part is meshed with the second tooth part, so that loosening does not easily occur after the tracing assembly and the positioning assembly are connected, the motion detection precision of the marker positioning device is greatly improved, the surgery difficulty is reduced, and the surgery precision is improved; the installation height, direction and pitch angle of the tracing assembly can be all rapidly adjusted, and the marker positioning device can adapt to the use demands under the complex environment.

Description

technical field [0001] The invention relates to a marker positioning device. Background technique [0002] At present, surgical robots have been applied to joint replacement surgery in China. For example, the patent publication No. CN104083217A discloses a surgical positioning device and method and a robotic surgical system. The device includes a patient tracker and a mechanical arm tracker. The challenge of joint replacement surgery is to determine the relative position between the prosthesis and the bone, and accurately cut the osteotomy to make the prosthesis fit better with the bone; the degree of fit between the prosthesis and the bone and the placement of the prosthesis directly affect the Performance and prosthesis life cycle; during joint replacement surgery, the movement of the patient's limbs or external influences (such as movement of the operating table, unpredictable external force interference, etc.) will have a greater impact on the accuracy of osteotomy and p...

Claims

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Application Information

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IPC IPC(8): A61B34/20A61B34/30
Inventor 李攀张长青朱振中
Owner SHANGHAI ELECTRICGROUP CORP
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