Large bore catheter having flexible tip construction
US4597755A · kind A · utility
129Cited by
6References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 30, 1984 |
| Grant date | Jul 1, 1986 |
| Priority date | — |
| Expiry date | May 30, 2004 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2025/1093
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
Large bore catheter having a flexible tip construction. A main flexible shaft tube is provided having a flow passage therein and having proximal and distal ends. A coil spring is secured to the distal end of the main shaft tube. Flexible tubing extends over the exterior of the coil spring and has a distal extremity which extends beyond the distal extremity of the coil spring. The flexible tubing forms a close fit over the coil spring.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.