Disposable safety self destruction injector

Abstract

A high-safety self-destroy expensive injector is composed of a needle, a connecting holder connected to said needle by spiral thread and with a central hole having a toothed hole and a matching hole, a rubber piston with a toothed front end having a matching head, a push rod and a pipe. When said push rod is pushed to bottom of pipe, said matching head is matched with said matching hole. When said push rod is withdrawn, the needle and connecting holder is pulled into the pipe.

Description

Technical field [0001] The invention provides a disposable safe self-destruction syringe, which belongs to the technical field of syringes. Background technique [0002] Most of the current disposable syringes are equipped with a self-destruct function after injection to prevent repeated use and cause adverse consequences to patients. After the syringe is used to contact the sick body, the contaminated needle is exposed, and the medical staff or cleaning staff are not careful, and they are very easy to be infected by needle sticks. In response to the above problems, there are currently technical reports on safe self-destructing disposable syringes, such as the utility model patent disclosed in the Chinese Patent Gazette on April 17, 2002: safe self-destructing disposable sterile syringes, patent number: 01221139 It is composed of the jacket, the core rod in the jacket, the sealing ring at the head of the core rod, the needle connected with the jacket, and the needle cover. ...

AI Technical Summary

Problems solved by technology

The disadvantage is that there are many parts, complex structure and high cost

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