Expandable electrode assemblies for forming lesions to treat dysfunction in sphincters and adjoining tissue regions
US6258087A · kind A · utility
723Cited by
149References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 4, 1999 |
| Grant date | Jul 10, 2001 |
| Priority date | — |
| Expiry date | May 4, 2019 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B2218/007
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
Expandable assemblies for treating a tissue region at or near a sphincter comprises a support basket formed from an array of spines. A mechanism flexes the spines to expand and collapse the basket. Electrodes carried by the spines for advancement in a path to penetrate the tissue region upon expansion of the basket. The basket can be formed from a mechanical array of molded, jointed spines, or from an extruded tube having axial slits forming the spines.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.