Title:
PEFILLED SYRINGE
Document Type and Number:
Japanese Patent JP2023016541
Kind Code:
A
Abstract:
To provide a prefilled syringe in which an occurrence of an event of air removal failure is suppressed compared to conventional products.SOLUTION: A prefilled syringe includes a cylindrical cartridge in which a chemical solution is housed with air bubbles for agitating and a front assembly 14 which secures a lead-out flow passage of the air bubbles and chemical solution while capturing a front stopper separated from a front opening of the cartridge. On an inner wall of the front assembly, a plurality of lead assistance means 35 are formed in a front-back direction. In the lead-out assistance means, a front side is a groove part 40, and a rear side is a protrusion part 41.SELECTED DRAWING: Figure 3
Inventors:
YANO HISASHI
KITAZATO HIROMI
MORITA MIKA
KITAZATO HIROMI
MORITA MIKA
Application Number:
JP2021120924A
Publication Date:
February 02, 2023
Filing Date:
July 21, 2021
Export Citation:
Assignee:
KM BIOLOGICS CO LTD
International Classes:
A61M5/28; A61M5/31
Attorney, Agent or Firm:
Kenichiro Matsuo
Yasuo Ichikawa
Yasuo Ichikawa