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:
Jun. 22, 2021
Filed:
Mar. 13, 2019
Terumo Kabushiki Kaisha, Tokyo, JP;
Kousuke Nishio, Machida, JP;
TERUMO KABUSHIKI KAISHA, Tokyo, JP;
Abstract
A medical device is disclosed for cutting an object in a body lumen, including: a rotatable drive shaft; and a rotatable rotation structure which is connected to the drive shaft, the rotation structure including: a proximal portion; a distal portion; and a constricted portion provided between the proximal portion and the distal portion, the constricted portion including: a first tapered portion which includes a first cutting portion and decreases in diameter toward the distal side; a second tapered portion which includes a second cutting portion and decreases in diameter toward the proximal side; and a bottom portion which is provided between the first tapered portion and the second tapered portion.