Coil reinforced catheter inner tubular member
US7041125B2 · kind B2 · utility
5Cited by
7References
24Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 1, 2002 |
| Grant date | May 9, 2006 |
| Priority date | — |
| Expiry date | Jul 13, 2023 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M25/104
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A catheter having an elongated shaft formed of a polymeric tube with at least a section having an outer coiled support member wound in a first direction and embedded in the polymeric tube, and an inner coiled support member wound in a second direction opposite to the first direction. In a presently preferred embodiment, the inner coiled support member has coils spaced closer together than coils of the outer coiled support member. In one embodiment, the inner coiled support member is partially embedded in the polymeric tube.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.