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A double fracture reduction trajectory planning method and reduction system

A trajectory planning, double fracture technology, applied in computer-aided planning/modeling, medical science, surgery, etc., can solve the problems of affecting the reduction effect, insufficient gravity load of the mechanical arm, and large space for movement, so as to reduce pain and reduce 2 The effect of secondary damage and improving work efficiency

Active Publication Date: 2022-06-03
毕建平
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] At present, many scientific research institutions use robots for fracture reduction, and robot reset includes parallel robot reset and series robot reset. Due to the structural limitations of parallel robots, it is difficult to reset double fractures at the same time. The space is large, and double fractures can be reset at the same time, but there is also the problem of insufficient load capacity of the mechanical arm, which affects the reset effect

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  • A double fracture reduction trajectory planning method and reduction system
  • A double fracture reduction trajectory planning method and reduction system
  • A double fracture reduction trajectory planning method and reduction system

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Embodiment 1

[0060] For the reduction of double fractures of the tibia and fibula or the ulna and radius, the present embodiment discloses a method for planning the trajectory of the double fracture reduction, such as: figure 1 shown, including the following steps:

[0061] Step 1: Obtain the CT image of the fracture site, carry out three-dimensional reconstruction, and segment the fractured bone model to obtain a proximal model combination and a distal model combination;

[0062] Since the two ends of the tibia and fibula or ulna and radius are connected by ligaments such as figure 2 As shown, the proximal model assembly includes two end-connected proximal models, and the distal model assembly includes two end-connected distal models. Hereinafter, the two connected proximal model connection points are recorded as the superior tibiofibular syndesmosis or the superior radioulnar syndesmosis, as the rotation center of the proximal thinner broken bone, and the two connected distal model con...

Embodiment 2

[0092] The purpose of this embodiment is to provide a reduction system on the basis of the method for planning a double fracture reduction trajectory provided in Embodiment 1, including: an operating bed, a first robotic arm, a second robotic arm, and a broken bone clamping device , a plurality of bone external fixation devices, a traction device, a first robotic arm control cabinet, a second robotic arm control cabinet and a processor. The microprocessor is respectively connected with the first robotic arm control cabinet and the second robotic arm control cabinet, and the first robotic arm control cabinet and the second robotic arm control cabinet are respectively connected with the first robotic arm and the second robotic arm for driving the first robotic arm and the second robotic arm. A mechanical arm and a second mechanical arm, the microprocessor is also connected with the traction device through a drive motor.

[0093] The operating bed includes a base and a main body ...

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Abstract

The invention discloses a double fracture reduction trajectory planning method and a reset system. The method includes: acquiring medical images of double fracture parts and performing three-dimensional reconstruction; dividing the three-dimensional model to obtain a proximal model combination and a distal model combination; Generate a copy of the distal model, and use the copy of the distal model as a reference for virtual reset to obtain virtual reset models of two broken bones; generate a reset axis based on the virtual reset model; generate a model copy of the reset axis, Based on the thicker distal model, the combination of the copy of the reset axis and the copy of the thicker distal model is registered; according to the copy of the reset axis and the reset axis, the reset trajectories of the two broken bones are obtained. The present invention can obtain multiple stages of trajectories, and resets according to the trajectories sequentially according to the reset stage, can minimize secondary damage to patients, reduce pain of patients, and is suitable for clinical application.

Description

technical field [0001] The invention belongs to the technical field of computer-aided medicine, and in particular relates to a double fracture reduction trajectory planning method and a reduction system. Background technique [0002] The statements in this section merely provide background information related to the present disclosure and do not necessarily constitute prior art. [0003] Double fractures, double fractures, such as tibia and fibula fractures in the lower limbs and ulna and radius fractures in the upper limbs, because of their different functional characteristics, the treatment has certain particularities. seriously affect the patient's quality of life. Reduction methods include closed reduction and surgical reduction. Closed reduction largely depends on the experience of the doctor, and its manipulation and strength are closely related to the reduction effect, while the surgical reduction method has problems such as large trauma, heavy economic burden, and ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61B34/10A61B17/88
CPCA61B34/10A61B17/88A61B2034/104A61B2034/105
Inventor 毕建平马平
Owner 毕建平