Throw-away syringe cylinder structure

• Main Author: JINGWEI HONG
• Format: Patent
• Language: English
• Published: 24.08.2005
• Edition: 7
• Subjects: DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROMTHE BODY; HUMAN NECESSITIES; HYGIENE; MEDICAL OR VETERINARY SCIENCE

The utility model provides a throw-away syringe cylinder structure, which relates to the field of a disposable syringe structure technology, in particular to a throw-away syringe cylinder structure after used. The utility model comprises a syringe, a push rod and a safe syringe needle sleeve. A baffle ring is sheathed at the opening of the back end of the syringe. Two and more than two fins which convexly extend to the wall of the syringe are arranged nearby the back end of the push rod. When the push rod is pushed ahead in the syringe while fastening parts on the fins pass through the baffle ring, the fastening parts of the fins are just fastened to the baffle ring. By now, the push rod can not be drew out rearward again. A gap which is bigger than a semicircumference is arranged on the rear end of the safe syringe needle sleeve. A V-shaped groove is arranged on the front end of the safe syringe needle sleeve nearby the gap. A plane is arranged at the bottom of the safe syringe needle sleeve, which is convenient to enable the safe syringe needle sleeve to naturally smoothly place. Owing to the utility model has the advantages of simple structure and easy operation, the throw-away syringe cylinder structure can effectively prevent the syringe from recycling and raise the quality and the using safety of medical articles.