Title:
医療用の穿刺針及び穿刺針の製造方法
Document Type and Number:
Japanese Patent JP6785840
Kind Code:
B2
Abstract:
A medical puncture needle according to the present invention is a medical puncture needle in which a blade surface is formed at a distal end portion of a rod-shaped main body portion, wherein the blade surface includes a first blade surface portion and a second blade surface portion which form a blade edge having a needle tip as one end by ridge lines intersecting with each other on a distal end side, and at least one blade surface portion of the first blade surface portion and the second blade surface portion is made up of a plane, and the at least one blade surface portion extends to be closer to a proximal end side of the main body portion than an intermediate position in a central axis direction of the main body portion of a blade surface region in which the blade surface is formed.
More Like This:
| WO/2002/102442 | A RETRACTABLE NEEDLE ASSEMBLY FOR A CATHETER AND WHICH USES AN ELASTOMERIC MEMBER TO RETRACT THE NEEDLE |
| JP2014136115 | INDWELLING NEEDLE |
| WO/2005/018712 | DIALYSIS CATHETER WITH STIFFNER |
Inventors:
Takehiko Ueda
Application Number:
JP2018508469A
Publication Date:
November 18, 2020
Filing Date:
January 30, 2017
Export Citation:
Assignee:
Terumo Corporation
International Classes:
A61M5/158; A61M5/32
Domestic Patent References:
| JP2003290354A | ||||
| JP2000262615A | ||||
| JP2005323898A | ||||
| JP2008154842A |
Foreign References:
| FR2481930A1 |
Attorney, Agent or Firm:
Kenji Sugimura
Mitsutsugu Sugimura
Yasuyuki Komatsu
Mitsutsugu Sugimura
Yasuyuki Komatsu