Title:
MEDICAL CUTTING TOOL
Document Type and Number:
WIPO Patent Application WO/2012/014979
Kind Code:
A1
Abstract:
[Problem] To provide a method for manufacturing a medical cutting tool and a medical cutting tool that will not rust and that is capable of stably demonstrating high strength. [Solution] A working section (2) formed by a cemented carbide or ceramic is brazed to the tip of a shank part (1) formed by a round bar-shaped austenitic stainless steel, thereby constituting a cutting tool (A). The shank part (1) comprises a shank (1a), a neck (1b), and a joint (1c) to which the working section (2) is brazed. At least part of the stainless steel near the joint (1c) of the neck (1b) and in the joint (1c) has a fiber-like structure. The structure of the stainless steel in the joint (1c) on the working section (2) side has a granular structure.
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Inventors:
SHIOIRI MUTSUNORI (JP)
Application Number:
PCT/JP2011/067263
Publication Date:
February 02, 2012
Filing Date:
July 28, 2011
Export Citation:
Assignee:
MANI INC (JP)
SHIOIRI MUTSUNORI (JP)
SHIOIRI MUTSUNORI (JP)
International Classes:
A61C3/06; A61B17/16; A61C3/02
Domestic Patent References:
| WO2009107595A1 | 2009-09-03 | |||
| WO2009017148A1 | 2009-02-05 | |||
| WO2007135936A1 | 2007-11-29 |
Foreign References:
| JPH08206133A | 1996-08-13 | |||
| JPH06199580A | 1994-07-19 | |||
| JPH0975373A | 1997-03-25 | |||
| JP2010120144A | 2010-06-03 |
Attorney, Agent or Firm:
NAKAGAWA INTERNATIONAL PATENT OFFICE (JP)
Patent business corporation Nakagawa international patent firm (JP)
Patent business corporation Nakagawa international patent firm (JP)
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