HYPODERMIC SYRINGE HAVING A SELECTIVELY RETRACTABLE NEEDLE

• Main Author: JON S. BELL
• Format: Patent
• Language: Chinese; English
• Published: 17.05.2002
• 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

A syringe (10) includes an elongate barrel (12) having an open proximal end (18) and a distal end (20) that includes a fitting (22). It also has a plunger (24) having a proximal end (26) and a distal end (28), sized for slidable movement within the barrel (12) thereby defining a chamber (30) within...