Cardiac access methods and apparatus
US8311648B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 20, 2010 |
| Grant date | Nov 13, 2012 |
| Priority date | — |
| Expiry date | Feb 10, 2031 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61N1/0587
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A delivery apparatus for accessing the pericardial space of a heart including an elongated body defining a lumen and a piercing member that extends from a distal portion of the elongated body for piercing tissue of the heart. A spring expands from a distal end of the piercing member in response to the distal end of the piercing member passing through the tissue and into the pericardial space. An electrode located on the spring in order to sense signals indicative of a distal end of the spring passing through the tissue and into the pericardial space.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.