Strain monitoring system and apparatus

Details Strain monitoring system and apparatus Strain monitoring system and apparatus

2007-01-08

2011-12-06

Hoekstra, Jeffrey G (Department: 3736)

Surgery

Diagnostic testing

Measuring anatomical characteristic or force applied to or...

C600S587000

Reexamination Certificate

active

08070695

ABSTRACT:
A system for monitoring strain as an indicator of biological conditions, such as spinal fusion, glucose levels, spinal loading, and heart rate. The system includes an inter-digitated capacitor sensor, and RF transmitter, and an associated antenna, all of which are microminiature or microscopic in size and can be implanted in a biological host such as a human or animal. An inductively coupled power supply is also employed to avoid the need for implantation of chemical batteries. Power is provided to the sensor and transmitter, and data is transmitted from the sensor, when an external receiving device, such as a handheld RF ID type receiver, is placed proximate the location of the implanted sensor, transmitter and inductively coupled power supply. The implanted sensor, transmitter and inductively coupled power supply can be left in place permanently or removed when desired.

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Japanese Patent Office, Translation of an Office Action of Japan Patent Office, Patent Application No. 2007-520554, dispatched Nov. 30, 2010, with claims examined appended thereto, counterpart to U.S. Appl. 11/620,973, pp. 1-22.

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