ASSEMBLY FOR SYRINGE, PREFILLED SYRINGE, SEAL CAP FOR PIERCING NEEDLE-ATTACHED BARREL, AND PACKAGE FOR ASSEMBLY FOR SYRINGE

• Main Authors: NAKAYAMA, Kyoko, OKUMA, Tadashi, KONDO, Keiko, SHIBA, Toru, YOKOYAMA, Yusuke, ENOMOTO, Kaori, ABE, Yoshihiko
• Format: Patent
• Language: English
• Published: 18.07.2019
• 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

An assembly of the present invention for a syringe includes a piercing needle-attached barrel having a barrel body and a hollow piercing needle fixed to the barrel body and a seal cap for sealing a piercing needle tip. The seal cap has a hollow part and a pierceable part into which the piercing needle tip inserted into the hollow part can be pierced. The seal cap is water vapor permeable and placed in a state in which the piercing needle tip has been pierced into the pierceable part. At least the pierceable part of the seal cap is formed of an elastic material containing silicone rubber as a main material thereof, silicone particles, and a lubricant.