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:
May. 14, 2024
Filed:
Aug. 27, 2020
Touchstone International Medical Science Co., Ltd., Suzhou, CN;
Teng Shan, Suzhou, CN;
Yuanyang Cao, Suzhou, CN;
Touchstone International Medical Science Co., Ltd., Suzhou, CN;
Abstract
The present disclosure provides a closure driving mechanism and a medical stapler including the same. The closure driving mechanism includes a driving part and a cylinder body, the driving part is connected with a closure pulling sheet of the stapler, and a cavity provided with a one-way valve is formed inside the cylinder body. When the driving part moves toward a distal side of the stapler, a volume of the cavity is decreased, the one-way valve is closed, and the driving part drives the closure pulling sheet to move distally, so as to open a head assembly of the stapler. Since the driving part is subjected to a resistance of compressed air in the cavity, a movement speed of the driving part is decreased, and the head assembly is opened slowly to prevent a force of opening the head assembly being too large to damage surrounding tissues.