Safety limits for closed-loop infusion pump control
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
A61M-031/00
출원번호
UP-0490006
(2009-06-23)
등록번호
US-7850641
(2011-02-10)
발명자
/ 주소
Lebel, Ronald J.
Starkweather, Timothy
출원인 / 주소
Medtronic Minimed, Inc.
대리인 / 주소
Foley & Lardner LLP
인용정보
피인용 횟수 :
25인용 특허 :
27
초록▼
A system and process for providing safety limits on the delivery of an infusion formulation by an infusion pump system in response to a sensed biological state. The safety limits may comprise user-initiated event signals corresponding to events that may significantly affect the biological state. The
A system and process for providing safety limits on the delivery of an infusion formulation by an infusion pump system in response to a sensed biological state. The safety limits may comprise user-initiated event signals corresponding to events that may significantly affect the biological state. The safety limits may further comprise user-initiated event ranking signals for respective events which specify a degree, quantity, or measure for the respective event. The user-initiated event and event ranking signals may be communicated to a computing element associated with the infusion pump by an associated communication device having a user interface which comprises a plurality of user-selectable operators for entering information about the events and event rankings.
대표청구항▼
What is claimed is: 1. A process for providing safety limits on the delivery of infusion formulation by an infusion pump system in response to a sensed biological state, comprising: monitoring a biological state; providing information about the biological state to a computing element, the computing
What is claimed is: 1. A process for providing safety limits on the delivery of infusion formulation by an infusion pump system in response to a sensed biological state, comprising: monitoring a biological state; providing information about the biological state to a computing element, the computing element being programmed to regulate the delivery of the infusion formulation in accordance with the information; communicating a user-initiated event signal to the computing element, the user-initiated event signal being representative of an event affecting the biological state; and providing a plurality of user-selectable operators corresponding to respective ones of a plurality of event rankings for ranking respective events; wherein the computing element is further programmed to receive the user-initiated event signal and initiate a variation in the delivery of the infusion formulation in accordance with the received user-initiated signal. 2. The process recited in claim 1, wherein the biological state comprises a glucose level. 3. The process recited in claim 1, wherein the infusion formulation comprises an insulin formulation. 4. The process recited in claim 1, wherein the event affecting the biological state comprises at least one of a meal event, an exercise event, a stress event, a sleep event, and a medication event. 5. The process recited in claim 1, further comprising receiving the user-initiated event signal by the computing element and initiating a variation in delivery of the infusion formulation in accordance with the user initiated event signal received by the computing element. 6. The process recited in claim 1, wherein initiating a variation in delivery comprises determining whether an amount of the delivery of the infusion formulation is outside of a user basal range and, upon determining that the amount is outside of the user basal range, receiving the user-initiated event signal and initiate a variation in the delivery of the infusion formulation in accordance with the received user-initiated signal. 7. The process recited in claim 6, further comprising comparing, with the computing element, the amount of the delivery of the infusion formulation to at least one of a pre-porgrammed minimum value and a pre-programmed maximum value and determining whether the amount of the delivery of the infusion formulation is outside of the user basal range based on that comparison. 8. The process recited in claim 1, wherein the variation in the delivery of the infusion formulation is substantially contemporaneous with the receipt of the user-initiated signal. 9. The process recited in claim 1, further comprising receiving the user-initiated event signal by the computing element and initiating a variation in delivery of the infusion formulation in response to the user initiated event signal by increasing in an amount of the delivered insulin formulation or decreasing in an amount of the delivered insulin formulation. 10. The process recited in claim 1, further comprising providing a plurality of user-selectable operators corresponding to respective ones of a plurality of events, the user-selectable operators being selectable for communicating to the computing element the user-initiated signal. 11. The process recited in claim 1, further comprising displaying on a display device events and event rankings affecting the sensed biological state. 12. The process recited in claim 1, further comprising verifying that the user initiated event signal is consistent with a detected change in the sensed biological state. 13. The process recited in claim 12, further comprising allerting a user when the user initiated event signal is not consistent with the detected change in the sensed biological state. 14. The process recited in claim 12, further comprising ceasesing an automatic control of an infusion pump for delivery of infusion formulation and switches to a manual operation of an infusion pump when the user initiated event signal is not consistent with the detected change in the sensed biological state. 15. The process recited in claim 12, further comprising recording a history of user-initiated event signals. 16. A process for providing safety limits on the delivery of infusion formulation by an infusion pump system in response to a sensed biological state, comprising: monitoring a biological state; providin information about the biological state to a computing element, the computing element being programmed to regulate the delivery of the infusion formulation in accordance with the information; communicating a user-initiated event signal to the computing element, the user-initiated event signal being representative of an event affecting the biological state; and communicating a user-initiated event ranking signal to the computing element, the user-initiated event ranking signal being representative of an event ranking affecting the biological state, wherein the computing element is further programmed to receive the user-initiated event signal and initiate a variation in the delivery of the infusion formulation in accordance with the received user-initiated signal.
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