Method and apparatus for monitoring ingestion of medications using an implantable medical device
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
G08B-023/00
출원번호
US-0012565
(2011-01-24)
등록번호
US-8269636
(2012-09-18)
발명자
/ 주소
Kroll, Mark W.
Vogel, Alan B.
출원인 / 주소
Pacesetter, Inc.
인용정보
피인용 횟수 :
4인용 특허 :
35
초록▼
An implantable medical device, such as a pacemaker or implantable cardioverter defibrillator (ICD), is configured to automatically detect ingestion of medications to verify that prescribed medications are taken in a timely manner and at the correct dosage. Briefly, individual pills are provided with
An implantable medical device, such as a pacemaker or implantable cardioverter defibrillator (ICD), is configured to automatically detect ingestion of medications to verify that prescribed medications are taken in a timely manner and at the correct dosage. Briefly, individual pills are provided with miniature radio frequency identification (RFID) devices capable of transmitting RFID tag signals, which identify the medication contained within the pill and its dosage. The implanted device is equipped with an RFID transceiver for receiving tag signals from a pill as it is being ingested. The implanted system decodes the tag to identify the medication and its dosage, then accesses an onboard database to verify that the medication being ingested was in fact prescribed to the patient and to verify that the correct dosage was taken. Warning signals are generated if the wrong medication or the wrong dosage was taken. Therapy may also be automatically adjusted. Non-RF-based ID devices are also described, which instead transmit ID data via biphasic current pulses.
대표청구항▼
1. In a system comprising an implantable medical device and an external device in communication with the implantable medical device, a method comprising: sensing, with the implantable medical device, a signal transmitted by a pill being ingested by a patient;detecting ingestion of the pill based on
1. In a system comprising an implantable medical device and an external device in communication with the implantable medical device, a method comprising: sensing, with the implantable medical device, a signal transmitted by a pill being ingested by a patient;detecting ingestion of the pill based on the sensed signal;transmitting data from the implantable medical device to the external device; andprocessing the data at the external device to determine medication compliance by the patient by comparing the pill against a database listing medications prescribed to the patient, and generating a warning signal if the pill is not listed in the database. 2. The method of claim 1 wherein the pill is equipped with radio frequency identification (RFID) device and wherein sensing the signal transmitted by the pill comprises sensing an RFID signal transmitted by the RFID device of the pill. 3. The method of claim 2 wherein the RFID device is an active ID device and wherein sensing the signal transmitted by the pill comprises sensing active ID signals transmitted by the ID device. 4. The method of claim 2 wherein the pill is equipped with a passive RFID device and wherein sensing signals comprises: transmitting a power signal to the passive RFID device of the pill; andreceiving a responsive signal returned by the passive RFID device of the pill. 5. The method of claim 1 wherein generating a warning signal is performed by transmitting a warning signal to the external device. 6. The method of claim 1 further comprising automatically recording, within the implantable medical device, data indicative of the time the pill was ingested. 7. In a system comprising an implantable medical device and an external device in communication with the implantable medical device, a method comprising: sensing, with the implantable medical device, a signal transmitted by a pill being ingested by a patient;detecting ingestion of the pill based on the sensed signal;transmitting data from the implantable medical device to the external device;processing the data at the external device to determine medication compliance by the patient;determining a dosage of the pill ingested and determining whether the dosage is appropriate for the patient; andgenerating a warning signal if the dosage being ingested is not the appropriate dosage for the patient. 8. The method of claim 7 and further comprising determining the dosage taken by the patient over a period of time, comparing the dosage over the period of time to a schedule, and determining whether the patient has taken a correct dosage over the period of time. 9. A system for use in monitoring the ingestion of pills by a patient, the system comprising: an implantable medical device adapted to sense a signal from a pill being ingested by a patient, and to transmit data corresponding to the pill; andan external device in communication with the implantable medical device and adapted to receive the data from the implantable medical device and to process the data to determine medication compliance by the patient wherein the external device is programmed to verify that the pill is prescribed to the patient and to adjust therapy if the pill is not prescribed to the patient. 10. The system of claim 9 wherein the external device is adapted to automatically record data indicative of the time the pill was ingested. 11. A system for use in monitoring the ingestion of pills by a patient, the system comprising: an implantable medical device adapted to sense a signal from a pill being ingested by a patient, and to transmit data corresponding to the pill; andan external device in communication with the implantable medical device and adapted to receive the data from the implantable medical device and to process the data to determine medication compliance by the patient wherein the external device is programmed to verify that the pill is prescribed to the patient, wherein the external device is programmed to generate a warning signal if the pill is not prescribed to the patient. 12. A system for use in monitoring the ingestion of pills by a patient, the system comprising: an implantable medical device adapted to sense a signal from a pill being ingested by a patient, and to transmit data corresponding to the pill; andan external device in communication with the implantable medical device and adapted to receive the data from the implantable medical device and to process the data to determine medication compliance by the patient, wherein the external device is adapted to automatically record data indicative of the time the pill was ingested; andwherein the external device is adapted to determine a dosage of the pill ingested and determine whether the dosage is appropriate for the patient, and generate a warning signal if the dosage being ingested is not the appropriate dosage for the patient. 13. A system for use in monitoring the ingestion of pills by a patient, the system comprising: an implantable medical device adapted to sense a signal from a pill being ingested by a patient, and to transmit data corresponding to the pill; andan external device in communication with the implantable medical device and adapted to receive the data from the implantable medical device and to process the data to determine medication compliance by the patient, wherein the external device is adapted to automatically record data indicative of the time the pill was ingested; andwherein the external device is adapted to determine the dosage taken by the patient over a period of time, compare the dosage over the period of time to a schedule, and determine whether the patient has taken a correct dosage over the period of time.
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