Title:
METAL INJECTION NEEDLE
Document Type and Number:
Japanese Patent JP2007038021
Kind Code:
A
Abstract:
To provide a metal injection needle where the inner surface is smooth in spite of a small diameter and its production method.
A metal injection needle has main features that the maximum height difference Rf of the surface roughness of an inner surface is less than 3 μm and an inside diameter is less than 1.0 mm.
Inventors:
OOYANAI TETSUYA
OKANO MASAYUKI
OKANO MASAYUKI
Application Number:
JP2006300523A
Publication Date:
February 15, 2007
Filing Date:
November 06, 2006
Export Citation:
Assignee:
TERUMO CORP
OKANO KOGYO KK
OKANO KOGYO KK
International Classes:
A61M5/158; A61M5/32; B21D5/01
Domestic Patent References:
JP2001225106A | 2001-08-21 | |||
JP2001054573A | 2001-02-27 | |||
JPH0880347A | 1996-03-26 | |||
JPH09308910A | 1997-12-02 |
Attorney, Agent or Firm:
Nozomi Watanabe
Haruko Sanwa
Haruko Sanwa