Crochet hook pull rod-type skin distraction closer

Abstract

The invention provides a crochet hook pull rod-type skin distraction closer. The crochet hook pull rod-type skin distraction closer comprises a pull rod, joints, a buckle and two groups of crochet hooks, wherein one side of the pull rod is provided with a tooth groove; a through hole is formed in the middle of each joint, and the pull rod penetrates through the through holes in the middles of the two joints; the buckle is fixedly arranged above the joint and is movably matched with the tooth groove in one side of the pull rod; and the two groups of crochet hooks are fixedly connected below the two joints respectively, and hook bending directions of the two groups of crochet hooks are opposite. The crochet hook pull rod-type skin distraction closer is used for distracting wound skin which is difficult to directly suture; wound skin distraction is performed by adopting the pull rod and the crochet hooks; a distraction force can be conveniently adjusted and can be reversibly adjusted; the crochet hook pull rod-type skin distraction closer can adapt to plane and non-plane irregular wounds, has a relatively small size, has small injury to skin, does not influence postoperative activities of a patient, and meanwhile, is very convenient to operate, and low in price.

Description

technical field [0001] The invention relates to the technical field of clinically applicable surgical instruments for trauma surgery, orthopedics and plastic surgery, in particular to a crochet rod-type skin stretching closure. Background technique [0002] Skin defect is a difficult problem that surgeons often need to deal with clinically. Common causes of skin defects include tumors, scars, trauma, inflammation, and skin lesions. Larger skin defects cannot be directly sutured to close the wound. At present, the main methods of clinical treatment of skin defects at home and abroad include skin grafting, skin flap transplantation, artificial skin, skin expansion, and skin stretching. The usual treatment is skin flap transplantation or skin expansion, which is complicated and has high complications. [0003] Skin stretching and stretching uses a skin stretching closure to make use of the stretchability of the skin to stretch the normal skin on both sides of the skin defect ...

AI Technical Summary

Problems solved by technology

The existing skin stretch closures that are currently clinical or still in the research and development stage have the following deficiencies: 1. The structure is too complicated, and the clinical installation operation is cumbersome and time-consuming, which increases the operating burden of medical staff; 2. The traction force is insufficient or excessive. Large, the stretching force cannot be effectively adjusted locally to suit the stretching force needs of different parts of the wound; 3. Most of the stretching is unidirectionally adjusted, and it cannot or is not easy to retreat when the stretch is too tight; 4. The cross-section is mostly flat The design cannot adapt to non-planar or irregular wounds; 5. It is large in size, and it is inconvenient for patients who cannot be stretched and closed on the operating table for a short time and need to wear it for a long time; 6. It is expensive. heavy financial burden on patients

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