Infusion pump with accelerometer controlled surface temperature
AssigneesBaxter International Inc., Baxter Healthcare S.A.
InventorsJiri Slaby, Slawomir Edward Wojtysiak
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Abstract
An infusion pump includes a housing, a pumping mechanism, an accelerometer configured to detect at least one of pump motion and pump angular orientation, and a temperature control unit. The temperature control unit is configured to receive accelerometer data and determine a pump configuration based on the accelerometer data. The pump configuration may include a contact configuration or a non-contact configuration. The temperature control unit is also configured to establish a threshold housing temperature based on the determined pump configuration. Additionally, the temperature control unit is configured to modify at least one pump feature or function to maintain the housing below the threshold housing temperature.
Claims20
An infusion pump comprising:
- a housing;
- a pumping mechanism;
- an accelerometer configured to detect pump motion and to output corresponding accelerometer data;
- and
- a temperature control unit, wherein the temperature control unit:
- receives the accelerometer data,
- determines a pump angular orientation based on the g-values of the accelerometer data,
- determines a pump configuration based on the pump angular orientation, the pump configuration including one of a contact configuration corresponding to relatively greater changes to the pump angular orientation and a non-contact configuration corresponding to relatively less changes to the pump angular orientation,
- establishes a threshold housing temperature based on the determined pump configuration, and
- maintains a temperature of the housing below the threshold housing temperature by modifying at least one pump feature or function, the at least one pump feature or function based on the determined pump configuration, feedback information from the temperature control unit, and ambient temperature information from the temperature control unit.
A method comprising:
- a temperature control unit, wherein the temperature control unit:
- receives accelerometer data,
- determines a pump angular orientation based on the g-values of the accelerometer data,
- determines a pump configuration based on the pump angular orientation, the pump configuration including one of a contact configuration and a non-contact configuration;
- establishes a threshold housing temperature based on the determined pump configuration, and
- maintains a temperature of the housing below the threshold housing temperature by modifying at least one pump feature or function, the at least one pump feature or function based on the determined pump configuration, feedback information from the temperature control unit, and ambient temperature information from the temperature control unit.
A method comprising:
- a temperature control unit, wherein the temperature control unit:
- detects a device motion and a device orientation;
- determines a device configuration based on the device motion and the device orientation;
- and
- modifies at least one pump feature and or function of a pumping mechanism to maintain a temperature of a device housing below a threshold housing temperature based on the determined device configuration, the at least one pump feature or function based on the determined pump configuration, feedback information from the temperature control unit, and ambient temperature information from the temperature control unit.
Dependencies are inferred from the claim text.