Method for using a wireless pressure sensor to monitor pressure inside the human heart
US7909770B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 3, 2007 |
| Grant date | Mar 22, 2011 |
| Priority date | — |
| Expiry date | Jul 3, 2027 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B5/413
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A method for measuring pressure within a heart includes the steps of: (1) providing a passive wireless pressure sensor having a characteristic impedance and a deflectable surface, the characteristic impedance changing in response to deflection of the deflectable surface; (2) inserting the sensor to a location within the body of a patient at which the sensor can detect pressure within the heart; (3) affixing the sensor relative to the heart; (4) interrogating the sensor with an electromagnetic field; (5) receiving a signal from the sensor corresponding to a sensed pressure; and (6) leaving the sensor in situ so that future pressure measurements can be made.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.