Sheath Type Disposable Safety Scalpel

Abstract

A sheath-type disposable safety scalpel is composed of a blade, a knife handle and a knife cover. When the knife cover slides back and forth relative to the knife handle and is positioned, the blade presents two states of protruding and retracting from the knife cover. Its characteristics That is: the positioning mechanism is composed of a button on the knife cover and a knife guard lock (7) and an exposed knife lock (8) on the handle. Among them, the lower part of the knife guard lock and the exposed knife lock Set the unlocking slope, when the button is pressed and dragged, the lock head will touch the unlocking slope and climb out of the lock along the unlocking slope to form an unlocking, so that the knife cover is locked at both the guard lock and the exposed knife lock relative to the handle Swipe to switch between positions. The invention breaks the monopoly of traditional positioning mechanism design, improves the safety of the scalpel, and improves the use feel and hearing experience of the scalpel.

Description

technical field [0001] The invention relates to a medical surgical scalpel, in particular to a disposable safety scalpel with a blade protection cover (also known as a disposable safety scalpel). Background technique [0002] The development of disposable safety scalpel has a history of decades, and the improvement of the scalpel has gone through many stages. At present, the product of disposable safety scalpel has gradually matured, and the design concept of the product has risen to: On the premise of ensuring security, pay more attention to user experience. For example, use elements such as feel, visual experience, and user psychology. [0003] The closest prior art with the present invention is U.S. Patent No. 6,626,925B2, which is called the invention patent of "Safe Surgical Knife". The scalpel of this patent is composed of a blade, a knife handle and a knife cover. Buttons and locks are arranged on the knife cover, a chute is provided on the knife handle, a knife gua...

AI Technical Summary

Problems solved by technology

[0006] The present invention provides a sheath-type disposable safety scalpel, the purpose of which is to break the traditional design monopoly of this type of scalpel sheath and knife handle on the positioning mechanism, and to design a new positioning mechanism suitable for the scalpel. Solve the problems of poor security and user experience in the prior art

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