Method and circuit for storing and providing historical physiological data

1. An oximeter sensor, comprising:

a light emitting element configured to emit light;

a light detector configured to receive the light;

an accelerometer configured to detect motion of the oximeter sensor; and

a memory storing an algorithm configured to correct physio-optic effects from motion detected by the accelerometer.

2. The oximeter sensor of claim 1 , wherein the accelerometer comprises a MEMS accelerometer incorporated into a chip within the oximeter sensor.

3. An oximeter system, comprising:

an oximeter sensor comprising:

a light emitting element configured to emit light;

a light detector configured to receive the light;

an accelerometer configured to detect motion of the oximeter sensor; and

a sensor memory storing an algorithm configured to correct physio-optic effects from motion detected by the accelerometer; and

a monitor communicatively coupleable with the sensor, the monitor configured to receive light detector and accelerometer information from the sensor and to implement the algorithm.

4. The oximeter system of claim 3 , wherein the oximeter sensor comprises an alarm mechanism configured to indicate the presence of a designated amount of motion detected by the accelerometer.

5. The oximeter system of claim 3 , wherein the monitor comprises a suspend mechanism configured to suspend operation of the oximeter system when a designated amount of motion is detected by the accelerometer.

6. The oximeter system of claim 3 , wherein the accelerometer comprises a MEMS accelerometer incorporated into a chip within the oximeter sensor.

7. An oximeter monitor, comprising:

a drive circuit configured to provide signals to circuitry of an oximeter sensor;

a circuit configured to receive optical data from a detector of the oximeter sensor and information from an accelerometer of the oximeter sensor, the information relating to motion of the oximeter sensor; and

a circuit configured to receive and implement an algorithm from memory of the oximeter sensor, wherein the algorithm is configured to correct physio-optic effects from motion detected by the accelerometer in the optical data.

8. The monitor of claim 7 , comprising an alarm mechanism configured to indicate the presence of a designated amount of motion detected by the accelerometer.

9. A method of monitor operation, comprising:

providing signals to circuitry of an oximeter sensor;

receiving information from an accelerometer of the oximeter sensor, the information relating to motion of the oximeter sensor; and

receiving and implementing an algorithm from a memory of the oximeter sensor, wherein the algorithm is configured to correct physio-optic effects from motion detected by the accelerometer.

10. The method of claim 9 , comprising indicating the presence of a designated amount of motion detected by the accelerometer with accelerometer data.

11. The method of claim 9 , comprising suspending operation of the oximeter sensor when a designated amount of motion is detected by the accelerometer.

12. A method of oximeter sensor operation, comprising:

projecting light from a light emitting element;

receiving the light with a light detector;

detecting motion of the oximeter sensor with an accelerometer component of the oximeter sensor; and

providing a monitor access to an algorithm stored in a sensor memory, wherein the algorithm is configured to correct physio-optic effects from motion detected by the accelerometer.

13. The method of claim 12 , comprising indicating the presence of a designated amount of motion detected by the accelerometer with accelerometer data.

14. The method of claim 12 , wherein the accelerometer component comprises a MEMS accelerometer incorporated into a chip within the oximeter sensor.

15. A method of manufacturing an oximeter sensor, comprising:

providing a light emitting element configured to emit light;

providing a light detector configured to receive the light;

providing an accelerometer configured to detect motion of the oximeter sensor; and

providing a memory storing an algorithm configured to correct physio-optic effects from motion detected by the accelerometer.

16. The method of claim 15 , wherein providing the accelerometer comprises providing a MEMS accelerometer incorporated into a chip within the oximeter sensor.