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. 20, 2023
Filed:
Aug. 30, 2018
Shanghai Keci Medical Technology Co., Ltd, Shanghai, CN;
Zhichao Zhang, Shanghai, CN;
Chuanhai Zhang, Shanghai, CN;
SHANGHAI KECI MEDICAL TECHNOLOGY CO., LTD, Shanghai, CN;
Abstract
A balloon pulling device, comprising a core tube () portion and a balloon () portion, wherein the core tube () portion may inflate and deflate the balloon () portion by using a fluid; the present invention is characterized in that the balloon () portion comprises a plurality of expansion segments (), the expansion segments () being larger than the remaining portion of the balloon () after being inflated with a fluid such that the entire balloon () forms a curved contour. A simple and reliable balloon pulling device capable of retracting at a long distance while being finely adjusted is achieved.