Catheter and introducer catheter having torque transfer layer and method of manufacture
US7914515B2 · kind B2 · utility
51Cited by
6References
26Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 18, 2007 |
| Grant date | Mar 29, 2011 |
| Priority date | — |
| Expiry date | Sep 16, 2029 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/4998
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
The instant invention relates generally to catheters and to introducer catheters used to help deliver catheters or other medical devices to locations within the human body. In particular, the instant invention relates to large diameter catheters and introducer catheters having a torque transfer layer that includes at least two flat wires braided into a wire mesh. The flat wires have a width of at least about 0.007 inches and a depth of at least about 0.003 inches. The lumen diameter of the catheter is at least about 6 French. The torque transfer layer provides increased strength, flexibility, and kink resistance.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.