Safety injector

• Main Author: JIANGLI LU
• Format: Patent
• Language: English
• Published: 13.03.2002
• 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 relates to a safety injector, comprising a syringe, a connecting seat and a injection handle, wherein the connecting seat is penetrated in the syringe which is penetrated in a sliding groove by a covering block to make the injection handle and the connecting seat integrated into a whole, and the connecting seat is moved forward by pushing the injection handle, when the connecting seat is moved to the front end of the syringe, the injection handle is rotated a certain angle, to make the combing part of the front end of the connecting seat and the needle separated, when the pharmaceutical product is injected completely, the injection handle is moved to the front end, and is rotated a certain angle, to make the combining part of the connecting seat and the needle be integrated into a whole, and the injection handle is moved backward to the tail end of the syringe, and the covering block of the injection handle is moved out the sliding groove, the needle is detained in the syringe, thereby achieving the relative safety.