Medical device synchronization

Details Medical device synchronization Medical device synchronization

2007-03-06

2007-03-06

Pezzuto, Robert E. (Department: 3766)

Surgery: light, thermal, and electrical application

Light, thermal, and electrical application

Electrical therapeutic systems

C123S601000

Reexamination Certificate

active

10424027

ABSTRACT:
The invention is directed to techniques for synchronizing the internal clocks of two devices, such as an implantable medical device and an external device, with reduced reliance on periodic polling. In one embodiment, the invention is directed to a technique in which one of the devices computes a time drift. The time drift may occur because the internal clock of one device may run more slowly than the internal clock of the other device. One device may poll the other as a function of the time drift. In another embodiment, a system of medical devices synchronizes internal clocks to a time signal generated by a time reference.

REFERENCES:
patent: 5540729 (1996-07-01), Weijand
patent: 5893931 (1999-04-01), Peng et al.
patent: 6083248 (2000-07-01), Thompson
patent: 6292698 (2001-09-01), Duffin et al.
patent: 6427088 (2002-07-01), Bowman et al.
patent: 7079977 (2006-07-01), Osorio et al.

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