IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
UP-0414500
(2006-04-28)
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등록번호 |
US-7558629
(2009-07-15)
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발명자
/ 주소 |
- Keimel, John G.
- Starkebaum, Warren L.
- Lubben, Gary L.
|
출원인 / 주소 |
|
대리인 / 주소 |
Shumaker & Sieffert, P.A.
|
인용정보 |
피인용 횟수 :
44 인용 특허 :
8 |
초록
▼
Techniques are described that allow an implantable device to sense gastric data and activity data from a patient, and estimate the patient's amount of energy consumed and energy expended based on the sensed data. A system provides feedback to the patient, a family member, or a doctor about the patie
Techniques are described that allow an implantable device to sense gastric data and activity data from a patient, and estimate the patient's amount of energy consumed and energy expended based on the sensed data. A system provides feedback to the patient, a family member, or a doctor about the patient's energy consumed, energy expended, and net energy. The data may be provided in table or graphical format, and may show daily or weekly energy balance data or may show a trend of the daily or weekly energy data. The patient may receive feedback by an implanted alert module that provides and audio alert or a vibration alert. In addition, data acquired by the system may be used to adjust the patient's stimulation therapy parameters.
대표청구항
▼
The invention claimed is: 1. A method comprising: receiving gastric data sensed by an implantable device implanted within a patient; determining a number of gastric contractions based on the sensed gastric data; estimating, with at least one component of a therapy system, an amount of energy consum
The invention claimed is: 1. A method comprising: receiving gastric data sensed by an implantable device implanted within a patient; determining a number of gastric contractions based on the sensed gastric data; estimating, with at least one component of a therapy system, an amount of energy consumed by the patient based on the number of gastric contractions; and controlling therapy to the patient with at least one component of the therapy system based on the amount of energy consumed. 2. The method of claim 1, wherein controlling therapy includes providing feedback based on the amount of energy consumed. 3. The method of claim 1, wherein the therapy system includes an implantable stimulator implanted within the patient, and wherein controlling therapy includes modifying electrical stimulation parameters of an implantable stimulator based on the estimated amount of energy consumed. 4. The method of claim 1, wherein the therapy system includes a drug delivery system implanted within the patient, and wherein controlling therapy includes modifying drug therapy delivered by the drug delivery system based on the estimated amount of energy consumed. 5. The method of claim 1, wherein receiving the sensed gastric data comprises receiving gastric data from one or more of a gastric electrical sensor, a pressure sensor, a piezoelectric sensor, a triboelectric sensor, a strain gauge sensor, a gastric impedance sensor, an acoustic sensor, and an ultrasonic sensor. 6. The method of claim 1, wherein estimating the amount of energy consumed based on the number of gastric contractions comprises multiplying the number of gastric contractions by an average amount of calories per contraction. 7. The method of claim 6, further comprising: comparing a projected physiological parameter to an actual physiological parameter, wherein the projected physiological parameter is calculated based on the average amount of calories per contraction, and wherein the physiological parameter is one of patient weight and patient body fat; and recalibrating the average amount of calories per contraction based the comparison. 8. The method of claim 1, further comprising measuring an amount of body fat of the patient using an impedance sensor of the implantable device. 9. The method of claim 1, wherein the at least one component of the therapy system for estimating an amount of energy consumed comprises one of an external module, an implantable device, and a central server. 10. The method of claim 1, wherein the at least one component of the therapy system for controlling therapy to the patient comprises one of an external module, an implantable device, and a central server. 11. The method of claim 1, further comprising: comparing the estimated amount of energy consumed to a goal amount of energy consumed; and providing feedback based on the comparison. 12. The method of claim 11, wherein providing feedback comprises transmitting a wireless communication to an external module. 13. The method of claim 12, further comprising displaying information about the amount of energy consumed to the patient via the external module. 14. The method of claim 11, wherein providing feedback comprises activating an implanted alert module. 15. The method of claim 14, wherein activating an implanted alert module comprises alerting the patient using one of an audio transducer, vibration in the implantable device, or stimulation by the implanted device of patient tissue. 16. The method of claim 11, wherein providing feedback comprises displaying trend information about the amount of energy consumed during a time period. 17. The method of claim 16, wherein the time period is one of a week and a month. 18. The method of claim 1, further comprising: receiving activity data sensed by an implantable device implanted within a patient; and estimating an amount of energy expended by the patient based on the sensed activity data, wherein controlling therapy includes controlling therapy based on both the amount of energy consumed and the amount of energy expended. 19. The method of claim 18, wherein controlling therapy includes providing feedback based on the amount of energy consumed and the amount of energy expended. 20. The method of claim 18, wherein controlling therapy includes modifying electrical stimulation parameters of an implantable stimulator implanted within the patient based on the amount of energy consumed and the amount of energy expended. 21. The method of claim 18, wherein receiving sensed activity data comprises receiving data indicating one of heart rate, heart rate variability, electrocardiogram (ECG), Q-T interval, night heart rate, cardiac variability index, minute volume, minute ventilation, blood oxygen level, activity level, blood pressure, and body temperature of the patient. 22. The method of claim 18, wherein receiving sensed activity data comprises receiving accelerometer data. 23. The method of claim 18, wherein controlling therapy based on both the amount of energy consumed and the amount of energy expended includes modifying electric stimulation parameters to reduce energy intake by the patient.
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