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Disposable safety self destruction injector

A disposable, syringe technology, applied in the field of syringes, can solve the problems of high cost, many parts, complex structure, etc.

Inactive Publication Date: 2006-02-08
SHINVA MEDICAL INSTR CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

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

Method used

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  • Disposable safety self destruction injector
  • Disposable safety self destruction injector
  • Disposable safety self destruction injector

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0011] 1. Needle 2, connecting seat 3, rubber plug 4, push rod 5, syringe 6, liquid medicine channel 7, tooth hole 8, engaging hole 9, tooth post 10, head 11, cylinder 12, breaking opening 13, Sealing ring 14, diversion groove 15, lug 16, needle sheath

[0012] The needle head 1 is threadedly connected with the connecting seat 2 by a standard needle head, the connecting seat 2 is placed in the constriction at the top of the syringe 5, a lug 15 is provided on the outer surface of the front end, and a section of thread is provided on the inner surface of the syringe 5, and the two are threaded. , the end of the connecting seat 2 is a tapered sealing surface and the tapered inner surface of the syringe 5 for damping sealing, the center of which is a penetrating liquid medicine channel 6, and the bottom of the medicine liquid channel 6 is a tooth hole 7 with internal teeth, located on the tooth The front end of the hole 7 is a reduced-diameter engagement hole 8, the rubber plug 3 ...

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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 When said push rod is withdrawn, the needle and connecting holder is pulled into the pipe.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. ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61M5/50A61M5/31A61M5/178
Inventor 张少军王福茂
Owner SHINVA MEDICAL INSTR CO LTD
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