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A surgical guide for coracoclavicular ligament reconstruction and its preparation method

A technology of ligament reconstruction and guide plate, applied in the directions of surgery, stereotaxic surgical instruments, bone drill guidance, etc., can solve the problems of long learning curve and unsatisfactory position of the establishment of the bone marrow canal, so as to reduce damage, avoid unsatisfactory establishment position, Pain relief for patients

Active Publication Date: 2021-04-13
THE FIRST PEOPLES HOSPITAL OF CHANGZHOU
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  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

[0003] In order to overcome the disadvantages of the existing coracoclavicular ligament reconstruction with a long learning curve and the unsatisfactory location of the bone marrow canal, the present invention provides a surgical guide for coracoclavicular ligament reconstruction and its preparation method

Method used

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  • A surgical guide for coracoclavicular ligament reconstruction and its preparation method
  • A surgical guide for coracoclavicular ligament reconstruction and its preparation method
  • A surgical guide for coracoclavicular ligament reconstruction and its preparation method

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Embodiment Construction

[0020] like figure 1 and 2 It is a structural schematic diagram of the present invention, a surgical guide plate in coracoclavicular ligament reconstruction, including a base 1, the base 1 is a thin-walled curved plate, and its thin-walled curved surface fits and covers the area from the distal end to the middle of the clavicle 2 On the surface, the ratio of the length of the base 1 to the total length of the clavicle 2 is 0.38 to 0.42, and the base 1 is also provided with a channel one 3 and a channel two 4, and the position of the channel one 3 is along the base of the coracoid process 5 The position corresponding to the direction of the central axis 9 of the clavicle 2, the ratio of the length from the second channel 4 to the distal end of the clavicle 2 to the total length of the clavicle 2 is 0.14, and the direction is that the central axis 9 of the clavicle 2 is inclined backward by 15° to 30°, figure 2 The central axis 9 of the clavicle 2 is shown, figure 2 "Front" ...

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Abstract

The invention relates to the technical field of medical devices, in particular to a surgical guide plate in coracoclavicular ligament reconstruction and a preparation method thereof. To the surface of the middle part, the ratio of the length of the base to the total length of the clavicle is 0.38 to 0.42. There are also channels 1 and 2 on the base. The position of the channel 1 is that the base of the coracoid process is along the middle axis of the clavicle The position corresponding to the direction, the ratio of the length from channel 2 to the distal end of the clavicle to the total length of the clavicle is 0.14, and the direction is that the middle axis of the clavicle is tilted backward by 15° to 30°, which has the advantages of accurate positioning, less damage, less operation time, and lower patient The use of CT scanning and 3D printing methods to make surgical guides can ensure that the specifications and sizes of the surgical guides are in line with the patient, avoiding the defects of unsatisfactory establishment of traditional bone tunnels, simplifying the operation, and reducing the need for newcomers to learn coracoclavicular ligament reconstruction surgery time.

Description

technical field [0001] The invention relates to the technical field of medical devices, in particular to a surgical guide plate in coracoclavicular ligament reconstruction and a preparation method thereof. Background technique [0002] In coracoclavicular ligament reconstruction, the accurate establishment of the bone tunnel of the clavicle and coracoid process is an important link to ensure the success of the operation. The current establishment method is completed by visual inspection or an angled locator, and the location of the bone tunnel is often not ideal. Insufficient or excessive reduction of the clavicle is caused, and the "wiper effect" occurs, leading to fracture of the reconstruction material, and even iatrogenic fracture of the coracoid process. Based on the above reasons, coracoclavicular ligament reconstruction has high requirements on the operator's surgical operation skills, and the learning curve is long, requiring years of surgical experience. Contents ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61B17/17A61B90/11
CPCA61B17/1714A61B90/11A61B17/1778
Inventor 张楚王雨辰
Owner THE FIRST PEOPLES HOSPITAL OF CHANGZHOU
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