Title:
SYRINGE
Document Type and Number:
WIPO Patent Application WO/2022/202887
Kind Code:
A1
Abstract:
The syringe of the present invention is configured from an outer cylinder provided with a cylinder tip having a small hole at one end and an open portion at the other end, a gasket provided hermetically sealably and slidably within the outer cylinder, and a plunger connected to the gasket, the syringe characterized in that a layer of a deformable material that can be freely deformed by external pressure is provided on the cylinder tip side surface of the gasket. This makes it possible to provide a syringe capable of keeping residual drug solution to a minimum when a drug solution has been ejected.
Inventors:
ONISHI KATSUNORI (JP)
Application Number:
PCT/JP2022/013426
Publication Date:
September 29, 2022
Filing Date:
March 23, 2022
Export Citation:
Assignee:
BUILDING SYSTEM DESIGN CO LTD (JP)
International Classes:
A61M5/315; A61B17/20
Foreign References:
| US20120271245A1 | 2012-10-25 | |||
| JP2020150998A | 2020-09-24 | |||
| JP2007517613A | 2007-07-05 |
Attorney, Agent or Firm:
ONO Yuki et al. (JP)
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