| 摘要 |
Implantable medical device systems and methods for measuring a body parameter utilizing an implantable functional pressure sensor and a fixed reference sensor, wherein the reference sensor compensates for drift of all other components in the measurement system other than the functional sensor. The reference sensor provides a basis for comparison to determine if and to what extent the electronic components, for example, have drifted over time, and thus provides a basis for correcting functional measurements and improving long term measurement accuracy.
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