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:
Sep. 23, 2025
Filed:
Dec. 27, 2024
Method of preparing urinary catheter having balloon of three cavities at top end of urinary catheter
Wuxi Second People's Hospital, Jiangsu, CN;
Ninghan Feng, Jiangsu, CN;
Yuwei Zhang, Jiangsu, CN;
Yangkun Feng, Jiangsu, CN;
Ye Hua, Jiangsu, CN;
Yang Wang, Jiangsu, CN;
Menglu Li, Jiangsu, CN;
Peng Jiang, Jiangsu, CN;
Yang Shen, Jiangsu, CN;
Bo Liu, Jiangsu, CN;
WUXI SECOND PEOPLE'S HOSPITAL, Wuxi, CN;
Abstract
A method of preparing a urinary catheter having a balloon of three cavities at a top end thereof includes: step 1, preparing a catheter having one urinary guiding cavity and three water injection cavities, cutting two ends of the catheter to be flat; step 2, cutting from a top end of the catheter having the four cavities from the catheter longitudinally to form three separated catheters, each having one second cavity, closing a top end of each of the three catheters; step 3, hot-pressing the three catheters by placing the three catheters in a steel plate for 40° C. to 60° C. and 5 min to 15 min at 5 kg to 7.5 kg, trimming the outer wall of the catheters; step 4, connecting top ends of the catheters to each other, taking a guide thread to pass through the urinary guiding cavity to be connected to the top ends of the catheters.