Pacemaker lead with extendable retractable lockable fixing helix
US5259395A · kind A · utility
184Cited by
6References
22Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jan 15, 1992 |
| Grant date | Nov 9, 1993 |
| Priority date | — |
| Expiry date | Jan 15, 2012 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61N1/0573
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A body implantable lead including a sheath, an electrode sleeve secured at a distal end of the sheath, a rotor body positioned within the sleeve, a fixing helix secured to a distal end of the rotor body, a torsion spring secured to a proximal end of the rotor body, and a rotation guide formed between the electrode sleeve and the rotor body which includes a helical groove formed on either the rotor body or the electrode sleeve and at least one guide pin formed on the electrode sleeve or the rotor body, respectively.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.