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:
Mar. 03, 2020
Filed:
Aug. 26, 2015
Mani, Inc., Tochigi, JP;
Masaaki Matsutani, Tochigi, JP;
Shinichi Akutsu, Tochigi, JP;
Masato Mizui, Tochigi, JP;
Takashi Ishida, Tochigi, JP;
MANI, INC., Tochigi, JP;
Abstract
Strength of a front end part having a sharp point of a medical suture needle is maintained and resistance when piercing tissue is reduced. There is provided a medical suture needle having a triangular cross section made of austenitic stainless steel having a fibrously extending structure, having two first slanted surfaces () ground and sandwiching a ridge (), and a bottom surface () sandwiched between the two first slanted surfaces and ground. The ridge is formed comprising a first cutting blade () that is formed by the two first slanted surfaces () intersecting, a ridge part () that is formed on a body part side of the first cutting blade without the first slanted surfaces () intersecting, and a second cutting blade () that is formed by two second slanted surfaces () ground, intersecting and sandwiching the first cutting blade () on a front end side of the first cutting blade (). Length Lof the first cutting blade is within a range of 3 to 20 times length Lof the second cutting blade (), and a front end () of the second cutting blade () is positioned deviating from the material center.