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Patent Searching and Data


Title:
MEDICAL PUNCTURING NEEDLE
Document Type and Number:
WIPO Patent Application WO/2021/193041
Kind Code:
A1
Abstract:
Provided is a medical puncturing needle (10) capable of efficiently administering a sufficient quantity of a liquid medicine into thin tissue. The medical puncturing needle (10) comprises: a cylindrical main body (14) having a through-hole (12) formed therein; an annular blade surface (16) cut into a tapered shape such that the thickness of the main body (14) reduces towards the needle tip (14a) at the tip of the main body (14); and an annular blade tip (18) formed at the tip of the blade surface (16) and following a plane orthogonal to the central axis of the main body (14).

Inventors:
IWASE YOICHIRO (JP)
MAEKAWA MINAMI (JP)
YOSHIDA YASUYUKI (JP)
Application Number:
PCT/JP2021/009411
Publication Date:
September 30, 2021
Filing Date:
March 10, 2021
Export Citation:
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Assignee:
TERUMO CORP (JP)
International Classes:
A61M5/32
Domestic Patent References:
WO2010007664A12010-01-21
Foreign References:
JP2011513036A2011-04-28
DE102006032534A12008-01-24
Attorney, Agent or Firm:
CHIBA Yoshihiro et al. (JP)
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