Patent ID: 7393345
Filing Date: 2008-07-01
Classification: A61B,A61M

Abstract:
1. A sterilized safety syringe which is coupled with an air compressor using air feeding pipes for infusing drugs into the patient's body or extracting body fluid therefrom, comprising: a syringe tube having a tip, an inner wall, an outer surface and an injection needle inserted at said tip, the inner wall of said tube defining a cavity and a guide slot formed between the outer surface and the inner wall of said syringe tube, said guide slot passing through a front wall surface of said syringe tube, and having a protrusion at a front end thereof, a plunger provided in said cavity and in close contact with the inner wall surface of said cavity, a rear end of said syringe tube being in a sealed state wherein said cavity and said guide slot are coupled with a plurality of air feeding pipes of said air compressor via an air conducting pipe; a protective cover having a drilled hole at a front end thereof and the protective cover provided with a sliding plate at a rear end thereof, said sliding plate provided with a fixed part at a front portion thereof and an annular flange at its rear end; wherein said annular flange has a check fitting formed at a front edge and wherein said protective cover is actuated by said air compressor via one of said air conducting pipes; a sterilizer having a main body with a pallet formed at a front end thereof, and a sterilized cotton swab being affixed to said pallet, a film formed at the front end of said main body for sealing said pallet, while a rear end of said main body forms a plug; wherein said sliding plate of said protective cover is fitted into said guide slot of said syringe tube and is forcibly in close contact with a wall of said guide slot with said annular flange; wherein said plug formed at the rear end of said sterilizer is plugged into said drilled hole of said protective cover.