Oral cavity drag hook system and method of use thereof
Patent Information
- Authority / Receiving Office
- CN · China
- Current Assignee / Owner
- 杨进城
- Publication Date
- 2019-05-14
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Abstract
Description
technical field
[0001] The invention relates to the field of medical instruments, more specifically, an oral retractor system for opening the oral cavity, pressing down the tongue, expanding the soft palate and the soft tissue of the posterior pharyngeal wall during an operation through the oral cavity and a method of use thereof. Background technique
[0002] When performing anterior atlantoaxial surgery through the oral cavity, in order to facilitate the operation, it is necessary to open the mouth and press down the tongue to expose the skull base and the posterior pharyngeal wall in front of the upper cervical spine as much as possible. It is the codman retractor system. The codman retractor system mainly relies on the hand strength of the operator when opening the mouth and pulling the tongue. However, the size of the mouth of different patients and the strength of the muscles around the mouth are different, which makes it difficult for some patients to open the mouth. ...