Cardiac devices and methods for minimally invasive repair of ischemic mitral regurgitation
US8292884B2 · kind B2 · utility
162Cited by
38References
34Claims
0Family size
Inventors
Key dates
| Filing date | Aug 1, 2003 |
| Grant date | Oct 23, 2012 |
| Priority date | — |
| Expiry date | May 27, 2025 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F2/2457
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
Novel apparatus and minimally invasive methods to treat atrioventricular valve regurgitation that is a result of tethering of chordae attaching atrioventricular valve leaflets to muscles of the heart, such as papillary muscles and muscles in the heart wall, thereby restricting the closure of the leaflets. Catheter embodiments for delivering and positioning chordal severing and elongating instruments are described.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.