Medical electrical lead having variable stiffness tip-ring spacer
US6489562B1 · kind B1 · utility
14Cited by
12References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 1, 1997 |
| Grant date | Dec 3, 2002 |
| Priority date | — |
| Expiry date | Apr 1, 2017 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61N1/0573
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An implantable electrical lead having a tip electrode and a ring electrode located proximal to the tip electrode. A flexible spacer is located between the electrodes and includes a tubular plastic member having a thickness gradually increasing proximally and distally of a point intermediate the electrodes. Optionally the spacer includes an inner member of a lower durometer plastic, gradually decreasing in thickness proximally and distally from the intermediate point.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.