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A bone traction device for the middle part of the dog's face

A skeletal traction and canine face technology, applied in the field of cranio-maxillofacial correction experimental equipment, can solve the problems of complex support and inconvenient operation, and achieve the effect of reasonable structure and perfect function of the device

Inactive Publication Date: 2017-08-04
高全文
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, with the demand for complex bone plastic surgery in the middle of the face, when multi-point positioning traction is required, the support is complicated by increasing the number of vertical connecting rods (8), and the operation is extremely inconvenient. The bone traction device in the middle of the face can not meet the requirements of traction experiments on dogs, and further improvement is needed

Method used

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  • A bone traction device for the middle part of the dog's face
  • A bone traction device for the middle part of the dog's face
  • A bone traction device for the middle part of the dog's face

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] Such as figure 1 , figure 2 , a traction device for the bones in the middle of the dog's face, comprising a traction frame 10, a skull fixation screw 11 for fixing the traction frame on the dog's skull, and a traction belt 20 for pulling the bones in the middle of the dog's face.

[0023] Described traction frame is provided with two side arms 12, and two side arms are connected at the front end, and tail end is open opening end, forms a " U " shape frame body, and the shape of " U " shape frame body corresponds to the shape of dog's skull. The open end of the "U"-shaped frame is set on both sides of the dog's head. A plurality of screw holes are provided on the two side arms of the traction frame, and a plurality of said skull fixing screws are installed in the screw holes. fixed on the dog's head.

[0024] The front end of the traction frame "U"-shaped frame body is provided with a traction shaft hole, and a set screw hole is provided on the hole wall of the tract...

Embodiment 2

[0032] Such as Figure 4 , a bone traction device for the middle part of the dog's face. This embodiment is a structural improvement of the bone traction device for the middle part of the dog's face in the first embodiment.

[0033] A traction belt hanging ring 60 is provided on the traction cross bar, and a traction belt hanging groove 61 is provided on the outer diameter of the traction belt suspension ring, and the traction belt suspension ring slides to adjust the position on the traction cross bar and is fixed by screws on the drawbar.

[0034] In this embodiment, the traction crossbar is an optical axis, and a scale line 43 is provided on the outer diameter of the traction crossbar. The traction belt hanging ring is provided with a central hole, and the central hole of the traction belt hanging ring cooperates with the traction cross bar and slides on the traction cross bar. The traction belt hanging ring is provided with a fixing screw hole connected with the central ...

Embodiment 3

[0037] Such as Figure 5, Figure 6 , a bone traction device for the middle part of the dog's face. This embodiment is a structural improvement of the bone traction device for the middle part of the dog's face in the second embodiment.

[0038] A lower positioning sleeve 71 and an upper positioning sleeve 72 are arranged on the traction shaft, the lower positioning sleeve is arranged under the traction cross bar, the upper end surface of the lower positioning sleeve is in contact with the lower end surface of the traction cross bar, and the upper positioning sleeve The sleeve is arranged above the traction cross bar, and the lower end surface of the upper positioning sleeve is in contact with the upper end surface of the traction cross bar; the upper positioning sleeve and the lower positioning sleeve slide to adjust the position on the traction shaft, and are fixed on the traction shaft by fixing screws 73, The traction cross bar is sleeved on the traction shaft with a rota...

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Abstract

The invention relates to a dog mid-face bone traction device. The device comprises a traction frame and a traction belt for traction of dog mid-face bone, wherein the traction frame is in the shape of a U-shaped frame body corresponding to the shape of a dog head and is fixedly arranged on the dog head by skull set screws on the two sides of the dog head; a connecting end of the U-shaped frame body is provided with a traction shaft; when the traction frame is fixedly arranged on the dog head, the traction shaft is positioned in front of a dog face in the vertical direction; the traction shaft is provided with a traction transverse rod; the traction transverse rod sleeves the traction shaft and extends towards the two sides of the traction shaft in the direction perpendicular to the traction shaft; the traction belt is an elastic traction belt and is hung on the traction transverse rod. The device has the beneficial effects that the device has a rational structure and complete functions and is suitable for performing mid-face bone traction experiments on dogs to acquire complete experiment data, help a doctor to deeply understand the mechanism and the rule of the mid-face bone traction and make a best mid-face bone traction therapeutic scheme for a patient.

Description

technical field [0001] The invention belongs to craniomaxillofacial correction experimental equipment, in particular to a traction device for bones in the middle part of the dog's face. Background technique [0002] The mid-face skeletal traction device is used to correct the hypoplasia or deformity of the patient's mid-face. Since mid-face correction is a complex and difficult treatment method, it is necessary to carefully analyze and study each patient's condition and formulate an appropriate treatment plan. In order to explore the mechanism and curative effect of mid-face bone traction, animal experiments are needed, and dogs can be used for mid-face bone traction experiments; Data, so that doctors can have a deeper understanding of the skeletal traction correction treatment for midface hypoplasia, and formulate the correct treatment plan for patients. A set of well-functioning bone traction device in the middle of the dog's face plays an important role in obtaining corr...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61B17/62
Inventor 高全文宋慧锋金增强许明火李冰柴家科柳春明
Owner 高全文