Retractor for neck lymph node dissection

Abstract

The invention provides a novel retractor for cleaning the cervical lymph nodes. The novel retractor comprises a retractor body, a steel wire hose, a handle, an insertion groove, an insertion pin, a hook handle, a first hook, a second hook, a third hook, a fourth hook, a piston head, a plurality of connection ropes, a spring, a spring base, a threading groove, a hook handle head, a gear, a motor, magnets, a rotating shaft, a bearing base, a power cord, a power switch, a soft steel wire, a silicone sleeve, a pull rope and a hook handle base; one end of the retractor body is provided with a hookhandle, the hook handle is composed of the hook handle base and the hook handle head, one end of the hook handle is provided with the piston head, and the piston head is provided with the connection ropes. According to the novel retractor for cleaning the cervical lymph nodes, a retractor rod is provided with the retractor bodies, the retractor bodies are fixed on the retractor rod through the magnets, and the angles of the retractor bodies can be adjusted by drawing the pull rope to clean away lymph different in thickness; the retractor can also be rotated to clean away lymph in different directions, convenience is brought to people, and the novel retractor is simple in structure and convenient to popularize.

Description

technical field [0001] The invention relates to a hook for cleaning lymph nodes, in particular to a hook for cleaning lymph nodes in the neck. Background technique [0002] Cervical lymph is located in the submental triangle, receiving lymph from the chin, floor of the mouth, and tip of the tongue, and injecting into the submandibular lymph nodes and internal jugular vein digastric lymph nodes. Lymphatic tissue in the neck comes from the lymphatic drainage of the nose, sinuses, pharynx, larynx, mouth, and face. Lymph node is an important immune organ of the body, and it is the place where an immune response is generated by antigen stimulation, and it has functions of filtering, proliferation and immunity. Normal human superficial lymph nodes are very small, mostly within 0.5 cm in diameter, with smooth and soft surfaces, no adhesion to surrounding tissues, and no tenderness. But what existing neck lymphadenectomy used is simple " S " pull hook or thyroid retractor, and it ...

AI Technical Summary

Problems solved by technology

But what existing cervical lymphadenectomy used is simple " S " pull hook or thyroid retractor, and it has following shortcoming: 1, existing pull hook is relatively single, can not be provided with several hooks around the hook bar, can not Effective removal of neck lymph; 2. The pull hook cannot be rotated, and the lymph in different parts cannot be quickly removed, and the angle of the hook cannot be adjusted, which brings inconvenience to people

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