Patent · US Active

Cardiac access methods and apparatus

US8311648B1 · kind B1 · utility

4Cited by
10References
10Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 20, 2010
Grant dateNov 13, 2012
Priority date
Expiry dateFeb 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.