Sensors for detecting substances indicative of stroke, ischemia, or myocardial infarction
US7769420B2 · kind B2 · utility
59Cited by
37References
11Claims
0Family size
Inventors
Key dates
| Filing date | Nov 16, 2005 |
| Grant date | Aug 3, 2010 |
| Priority date | — |
| Expiry date | Jun 3, 2029 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B2560/0219
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A sensor is disclosed, for implantation within a blood vessel to monitor a substance in or property of blood. In one embodiment, the sensor detects nitric oxide or a nitric oxide metabolite. In another embodiment, other substances such as glutamate, aspartate, arginine, citrulline, acetylcholine, calcium, potassium, or dopamine are monitored. The sensor may be attached to a support structure such as a stent, guidewire, or catheter. In a further embodiment, a catheter is disclosed that extracts patient fluid to a sensor outside the body for monitoring a substance or property of the patient fluid. Methods are also disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.