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Sleeve for orthopedic drilling

A sleeve, orthopedic technology, used in the field of medical devices

Pending Publication Date: 2020-08-14
自贡市第三人民医院
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In view of the above prior art, the present invention provides a sleeve for orthopedic drilling to solve the problem that the drill bit continues to advance to the soft tissue on the opposite side of the bone after it breaks through the bone

Method used

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  • Sleeve for orthopedic drilling
  • Sleeve for orthopedic drilling
  • Sleeve for orthopedic drilling

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Embodiment Construction

[0035] The specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0036] In the embodiment of the present invention, such as Figure 1~5 As shown, a sleeve for orthopedic drilling is provided. Such as figure 1 and 2 As shown, the sleeve of the present invention includes a sleeve body 1 and a damper 2 arranged on the top of the sleeve body 1, the damper 2 is used to buffer the impact of the drilling device, so as to prevent the drill bit 5 of the drilling device 4 from drilling through Continue advancing after bone 3. The sleeve body 1 is made of stainless steel and is tubular as a whole; in order to facilitate the adjustment of the posture of the sleeve body 1 and better support, a handle 12 is fixedly connected to the side wall of the sleeve body 1 by welding or the like, and the handle 12 It is made of the same material as the sleeve body 1. In a preferred embodiment of the present invention, in o...

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PUM

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Abstract

The invention discloses a sleeve for orthopedic drilling. The sleeve comprises a sleeve body and a damper arranged at the top of the sleeve body and used for buffering impact of a drilling device. Thedamper supports the drilling device, before a drill bit of the drilling device drills through a bone, the drilling device applies certain continuous pressure to the damper, the drilling device can slowly move downwards, and the damper cannot affect normal drilling operation of the drilling device. After the drill bit drills through the bone, the drill bit falls off, instantaneous impact force acts on the damper, the damper generates resistance under the impact of suddenly increased external force, the drill bit is prevented from continuing to advance, and soft tissues such as blood vessels and nerves behind the bone can be effectively prevented from being injured.

Description

technical field [0001] The invention belongs to the technical field of medical devices, and in particular relates to a sleeve for orthopedic drilling. Background technique [0002] At present, fracture reduction and internal fixation is the most common and effective method for orthopedic treatment of fracture patients. The main advantage of internal fixation is that it can better maintain the anatomical reduction of the fracture and effectively prevent the scissor or rotational movement of the fracture end; The internal fixation has a strong supporting effect, which is beneficial to the functional exercise of the injured limb. [0003] Almost all internal fixation procedures require drilling holes in the bone and then securing the internal fixation to the bone with screws. The surgical requirement is to drill through the bone to measure the depth and select suitable screws for effective fixation. Because human bones are so hard, surgeons need to apply pressure against the ...

Claims

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Application Information

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IPC IPC(8): A61B17/16A61B90/00
CPCA61B17/16A61B90/08A61B2017/564A61B2090/08021
Inventor 郑强
Owner 自贡市第三人民医院