Endocardial lead system with defibrillation electrode fixation
US5693081A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Oct 11, 1995 |
| Grant date | Dec 2, 1997 |
| Priority date | — |
| Expiry date | Oct 11, 2015 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61N1/0563
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A lead system for use with an implantable cardioverter/defibrillator is disclosed. The lead system includes a fixation hook positioned approximately half-way between the distal tip of the lead and the tricuspid valve. The distal tip of the lead is positioned at the apex of the right ventricle and may or may not be secured there by a second fixation means such as a screw tip or tines. The fixation hook allows the defibrillation electrode to be accurately positioned by the patient's surgeon and maintained in contact with the septum wall of the patient's heart. By providing such intimate contact between the defibrillation electrode and the septum wall, defibrillation thresholds are reduced.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.