Title:
NEEDLE UNIT, INJECTION SYRINGE AND PROTECTIVE MEMBER FOR INJECTION NEEDLE
Document Type and Number:
Japanese Patent JP2020137809
Kind Code:
A
Abstract:
To provide a needle unit which can bleed air of an injection syringe and an injection needle in a state of being worn, and reliably holds a liquid medicine leaked from the tip of the injection needle.SOLUTION: A needle unit includes: an injection needle; a holding member for holding the injection needle; a cylindrical protective member having an insertion opening into which the injection needle is inserted in one end in an axial direction, and an opening to allow air to flow to the outside in the other end in the axial direction, and mounted on the holding member in a state in which the injection needle is stored inside from the insertion opening; a filter member 39 provided inside the protective member and at the other end side in the axial direction, and making gas permeable and liquid impermeable; and a seal member 40 provided inside the protective member, forming a space 60 to expose at least a part of the exhaust port of the injection needle implanted between the filter member 39 and itself when the protective member is mounted on the holding member, and fluid-tightly holding the space 60.SELECTED DRAWING: Figure 3
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Inventors:
MIYASAKA SUSUMU
KARASAWA KOJI
TAKEUCHI SHINICHI
KARASAWA KOJI
TAKEUCHI SHINICHI
Application Number:
JP2019035578A
Publication Date:
September 03, 2020
Filing Date:
February 28, 2019
Export Citation:
Assignee:
FORTE GROW MEDICAL KK
International Classes:
A61M5/32
Attorney, Agent or Firm:
Furuya Fumio
Akira Kano
Takeshi Ohashi
Yoshio Kawada
Akira Kano
Takeshi Ohashi
Yoshio Kawada