Percutaneous skin-puncture traction retractor radially unfolded in visual endoscopy

Abstract

The invention relates to percutaneous skin-puncture traction retractor radially unfolded in a visual endoscopy, and solves the problems that the existing operation retractor can only be retracted in one retractor direction, the established operation space is high in limitation, the retractor is small in thrust face and high in partial stress, and postoperative recovery is affected. The percutaneous skin-puncture traction retractor comprises a central core rod and a sleeve which are embedded in an internal-external manner; the front end of the central core rod extends out of the front end of the sleeve, and a tip cone for skin puncture is arranged at the front end of the central core rod; a plurality of externally-unfolded group valves which are around the central core rod are arranged between the back end of the tip cone and the front end of the sleeve; arc-shaped tooth surfaces are arranged on the inner sides of the externally-unfolded group valves; gear rings correspondingly matched the arc-shaped tooth surfaces are arranged on the rod body of the central core rod; and the back end of the central core rod extends out of the back end of the sleeve to be used as a turning driving end. According to the percutaneous skin-puncture traction retractor, by virtue of the externally-unfolded group valves which can be unfolded in a swinging manner, the operation space under skin is established in one step and the operation space is supported in all directions, so that partial skin stress is lowered, postoperative recovery is facilitated, it is more convenient to establish the operation space, and the operation efficiency is improved.

Description

technical field [0001] The invention relates to a medical device, in particular to a percutaneous puncture skin traction hook which is radially deployed under a visual endoscope. Background technique [0002] When the hospital performs body surface surgery on a patient, it is necessary to cut the skin and muscles, and then use the surgical retractor to pull the surgical wound, so as to fully expose the field of vision suitable for the operation, so that the doctor can perform the operation. At present, the development trend of head and neck surgery is gradually developing towards minimally invasive surgery. In the process of endoscopic endoscopic surgery, due to the indirect operation and the complex tissue structure of the head and neck, there is a problem that the operation of the endoscopic surgery site is limited. At this time, it is often necessary to use auxiliary retractors. Currently, The existing retractors for wire puncture surgery have single function, poor opera...

AI Technical Summary

Problems solved by technology

In the process of endoscopic endoscopic surgery, due to the indirect operation and the complex tissue structure of the head and neck, there is a problem that the operation of the endoscopic surgery site is limited. At this time, it is often necessary to use auxiliary retractors. Currently, The existing retractors for wire puncture surgery have single function, poor operability, and poor practicability. Therefore, during the operation, the lack of structure of the retractor will affect the progress of the operation, increase the labor intensity of medical staff, and easily cause safety hazards , and even medical malpractice

At the same time, the existing retractors mainly expose the key parts of the operation by pulling the soft tissue in the visual endoscopic surgery area, but the problems of the current retractors are also obvious, mainly because the retractor material is soft and the hardness is not enough. The internal tissue is laborious, and at the same time, the current puncture retractor can only pull the intracavity tissue in one direction. Not only is the surgical operation space constructed is limited, but also the force-bearing surface of the retractor is small, and small incision operations require long-term and high-strength cutting and pulling. Local skin incisions will cause relaxation of skin incisions, resulting in uneven alignment of skin incisions after surgery, which will affect wound healing and cause postoperative scar hyperplasia

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