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Patent Searching and Data


Title:
穿刺針及びカテーテル組立体
Document Type and Number:
Japanese Patent JP7130732
Kind Code:
B2
Abstract:
The puncture needle according to the present disclosure is a medial puncture needle having a blade surface formed on a distal end portion of a rod-shaped main body, wherein the blade surface has a first blade surface portion that extends so as to incline with respect to a central axis of the main body, and a second blade surface portion that is formed on the back side of the first blade surface portion and that forms a blade edge having a needle tip as one end by a ridge line where the second blade surface portion meets the first blade surface portion. The first blade surface portion is constituted by a concave surface that is concave in a side view of the main body in which the first blade surface portion appears linear.

Inventors:
Takehiko Ueda
Masahiko Nagasawa
Application Number:
JP2020507789A
Publication Date:
September 05, 2022
Filing Date:
March 18, 2019
Export Citation:
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Assignee:
Terumo Corporation
International Classes:
A61M5/158; A61M5/32
Domestic Patent References:
JP2016059427A
JP2016101179A
Foreign References:
US20170216536
CN2801183Y
WO2009024522A1
Attorney, Agent or Firm:
Kenji Sugimura
Mitsutsugu Sugimura
Yasuyuki Komatsu