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An elbow joint rotation center guide used in clinical operations

A technology of rotation center and elbow joint, applied in stereotaxic surgical instruments, surgery, medical science, etc., can solve the problems of inability to adjust during operation, complicated operation, high technical requirements, etc., to improve accuracy and stability, and avoid positioning errors Accurate, precision-enhancing effects

Inactive Publication Date: 2018-10-26
佛山市乙太医疗用品有限公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the self-made elbow joint rotation center guide mentioned in this document has a fixed angle and cannot be adjusted during the operation, and the operation is relatively complicated, the cost of tool making materials is high, the technical requirements are high, and multiple fluoroscopy is still required during the operation The number of times, so the repeatability and operability are not strong

Method used

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  • An elbow joint rotation center guide used in clinical operations
  • An elbow joint rotation center guide used in clinical operations
  • An elbow joint rotation center guide used in clinical operations

Examples

Experimental program
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Embodiment Construction

[0028] The technical solutions of the present invention will be further described below in conjunction with the accompanying drawings and through specific implementation methods.

[0029] Such as figure 1 and figure 2 As shown, an elbow joint rotation center guide used in clinical operations; includes a main body seat 1, a rotating arm 2 and a guide needle sleeve 7 that can pass a bone circular needle;

[0030] Such as image 3 and Figure 4 As shown, the main body seat 1 is provided with a support surface 11 of the elbow joint, the support surface 11 is an arc-shaped surface, and a positioning datum is provided on the arc-shaped surface 11; the rotating arm 2 is fixed on the main body seat 1. The guide needle sleeve 7 is fixed on the rotating arm 2, and the central axis of the guide needle sleeve 7 is on the same vertical line as the center of the positioning reference.

[0031] In this embodiment, in the left view or right view of the main body seat, the angle between t...

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Abstract

The invention provides an elbow joint rotation center guider applied to a clinical operation. The elbow joint rotation center guider comprises a body seat, a rotating arm and a pin guide sleeve capable of allowing an osseous pin to penetrate. The body seat is provided with a supporting face of an elbow joint, the supporting face is an arc-shaped face, and a positioning reference is arranged on the arc-shaped face. The rotating arm is fixed to the body seat, the pin guide sleeve is fixed to the rotating arm, and the central axis of the pin guide sleeve and the center of the positioning reference are located on the same vertical straight line. The body seat is provided with the arc-shaped face, eversion and extorsion angles of a rotation center of the elbow joint can be overcome through 5-degree included angles of horizontal and coronary positions of the arc-shaped face, the arc-shaped face can play a role in fixing the elbow joint, inaccurate positioning caused by the body position change is avoided, and the requirement for the stability of the elbow joint during the operation is met.

Description

technical field [0001] The invention relates to an elbow joint rotation center positioning device, in particular to an elbow joint rotation center guide used in clinical operations. Background technique [0002] Among all joint injuries, elbow joint injuries are most likely to cause post-injury stiffness. Elbow joint stiffness seriously affects the upper limb function and causes a lot of inconvenience to patients in daily life. The goal of treating elbow joint stiffness is to provide patients with a painless, stable joints. When surgery is required to improve the range of motion, the application of external fixation brackets after the elbow joint is completely loose can fully stabilize the elbow joint, allowing the ligament to be repaired without tension, and it can also stretch the joint space, allowing early functional exercise, and improving joint function after surgery. The scope is obvious. In the treatment of elbow stiffness with external fixators, accurate positioni...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61B90/11A61B17/56
CPCA61B2017/564
Inventor 余斌姚金波王磊肖亮星
Owner 佛山市乙太医疗用品有限公司
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