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Device for expanding temporomandibular joint

A temporomandibular joint and fixed support technology is applied in the field of devices for opening the temporomandibular joint, which can solve the problems of insufficient exposure of the operation area of ​​the condyle operation area, difficult and stable opening of the temporomandibular joint, and small operation space. Achieve the effect of avoiding secondary damage, fast recovery, and large operating space

Active Publication Date: 2019-07-26
GENERAL HOSPITAL OF PLA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In order to solve the problems that the temporomandibular joint is difficult to stably stretch during condylar surgery, the operating area of ​​the condylar process is not fully exposed, and the operation space is small, the present invention provides a device for stretching the temporomandibular joint

Method used

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  • Device for expanding temporomandibular joint
  • Device for expanding temporomandibular joint
  • Device for expanding temporomandibular joint

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Embodiment Construction

[0041] In order to clearly understand the content of the present invention, the following will be combined with the attached Figure 1-5 and examples in detail.

[0042] Such as Figure 1-2 As shown, a device for distracting the inferior temporal joint in this embodiment includes a fixed support 1 , a movable support 2 , a sliding body 3 , a rotating mechanism 4 , a connecting member 5 and a handle bar 7 . Wherein said fixed support 1 comprises a fixed arm 11, said mobile support 2 comprises a movable arm 21, and one end of said sliding body 3 is connected with the upper part of said fixed arm 11, and is perpendicular to said fixed arm 11, so The moving arm 21 is parallel to the fixed arm 11 and is movably connected with the sliding body 3 . The handle rod 7 is fixed at one end of the sliding body 3, perpendicular to the sliding body 3 and the fixed arm 11 respectively, and the three are distributed along the x-y-z axis for the device user to grasp. The bottom of the fixed ...

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Abstract

The invention discloses a device for expanding a temporomandibular joint. The device comprises a fixed supporting piece, a movable supporting piece, a sliding body, a rotating mechanism and a connecting piece, wherein one end of the sliding body is connected with the upper portion of a fixed arm of the fixed supporting piece and is perpendicular to the fixed arm; a fixed arm hook is located at thebottom of the fixed arm and faces away from the sliding body, and a movable arm hook is located at the bottom of the movable arm and faces opposite to the fixed arm hook. The sliding body is a flat cuboid, the top surface of the sliding body is provided with a rack, the side surface of the sliding body is provided with a track, the rotating mechanism comprises a gear, a rotating handle and a locking device, the rotating handle is connected with the gear, and the gear can roll on the rack by turning the rotating handle or be locked by the locking device, the connecting piece is fixed to the sliding body and is connected with and linked with the rotating mechanism and the movable arm, and the connecting piece can be driven by the rotating mechanism to translate or be locked along the trackso as to enable the movable arm to translate or be locked on the sliding body.

Description

technical field [0001] The invention relates to the field of surgical instruments, in particular to a device for distracting temporomandibular joints, so as to realize sufficient and stable exposure of mandibular condylar process operation area. Background technique [0002] The temporomandibular joint is the movable joint in front of the ears on both sides of the face. It is the only left and right bilateral linkage joint in the maxillofacial region. It has certain stability and multi-directional mobility. Under the action of muscles, it participates in various important activities such as chewing, swallowing, language, and facial expressions. The temporomandibular joint is composed of the mandibular condyle, the glenoid fossa, the articular disc between them, the joint capsule around the joint, and the articular ligament. The temporomandibular joint is closely related to people's daily life, and it is frequently used, which is prone to damage and pathological changes. ...

Claims

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Application Information

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IPC IPC(8): A61B17/02
CPCA61B17/0206A61B17/025
Inventor 刘华蔚毕文婷黄海涛寇彤李永锋刘昌奎张安东胡敏
Owner GENERAL HOSPITAL OF PLA
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