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
Masahiko Nagasawa
Application Number:
JP2020507789A
Publication Date:
September 05, 2022
Filing Date:
March 18, 2019
Export Citation:
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
Mitsutsugu Sugimura
Yasuyuki Komatsu