The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 11, 2012
Filed:
Sep. 26, 2006
Applicants:
Kanji Matsutani, Utsunomiya, JP;
Masahiko Saito, Utsunomiya, JP;
Inventors:
Kanji Matsutani, Utsunomiya, JP;
Masahiko Saito, Utsunomiya, JP;
Assignee:
Mani, Inc., Utsunomiya, Tochigi, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61B 17/32 (2006.01);
U.S. Cl.
CPC ...
Abstract
A workmade of a hard wire rod of austenitic stainless steel is pressed at a rolling reduction of 60% or greater, into a paddle-shaped end, and then subjected to work hardening, making the hardness of the end550 Hv or greater. Afterwards, the paddle-shaped endis cut through machining, forming a main bodyof a medical knife and cutting blades. As a result, a medical knife, which is easily fabricated, is corrosion resistant, has sufficient hardness and sharpness, high toughness preventing cracks, can be provided.