US 12,251,522 B1
Post-operative indwelling urinary catheter suitable for males
Yanfei Chen, Guangdong (CN); Guoshuo Chen, Guangdong (CN); Ling Li, Guangdong (CN); Yingwen Zhu, Guangdong (CN); Xuejin Zhu, Guangdong (CN); Sian Chen, Guangdong (CN); and Jinhai Wu, Guangdong (CN)
Assigned to Guangzhou Institute of Cancer Research, the Affiliated Cancer Hospital, Guangzhou Medical University, Guangdong (CN)
Filed by Guangzhou Institute of Cancer Research, the Affiliated Cancer Hospital, Guangzhou Medical University, Guangdong (CN)
Filed on Nov. 6, 2024, as Appl. No. 18/939,382.
Application 18/939,382 is a continuation of application No. PCT/CN2024/121603, filed on Sep. 27, 2024.
Int. Cl. A61M 25/00 (2006.01); A61M 25/10 (2013.01)
CPC A61M 25/0017 (2013.01) [A61M 25/10 (2013.01)] 10 Claims
OG exemplary drawing
 
1. A post-operative indwelling urinary catheter suitable for males, comprising a urinary catheter I (3), wherein a balloon tube (10) is sheathed and fixed to a position near a top end of a circumferential outer wall of the urinary catheter I (3), and a balloon ring (11) is mounted at a top end of the balloon tube (10); a gas transmission tube (13) is inserted at a position near a bottom end of a circumferential outer wall of the balloon tube (10), and a control valve I (14) is sheathed and fixed to a circumferential outer wall of the gas transmission tube (13); a spiral tube (2) is sheathed and fixed to a position near a bottom end of the circumferential outer wall of the balloon tube (10), and a limiting ring (15) is screwed at a position near a middle of a circumferential outer wall of the spiral tube (2); a chassis (12) is sheathed at a position near a top end of the circumferential outer wall of the spiral tube (2), and a shield (1) is sheathed and fixed to a circumferential outer wall of the chassis (12); a top end of the shield (1) is fixed to a fixing soft disk (17), and ventilation holes (16) are uniformly disposed on a circumferential outer wall of the shield (1); a double-control mechanism is mounted at the position near a bottom end of the circumferential outer wall of the urinary catheter I (3), and the double-control mechanism comprises a urinary catheter II (8); an anti-backflow mechanism is mounted at a position near a bottom end of a circumferential outer wall of the urinary catheter II (8), and the anti-backflow mechanism comprises a urinary catheter III (7); and a fixing mechanism is sheathed at a position near a bottom end of a circumferential outer wall of the urinary catheter III (7), and the fixing mechanism comprises a fixing ring (44).