최소 단어 이상 선택하여야 합니다.
최대 10 단어까지만 선택 가능합니다.
다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
NTIS 바로가기다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
DataON 바로가기다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
Edison 바로가기다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
Kafe 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0768043 (2001-01-22) |
발명자 / 주소 |
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출원인 / 주소 |
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대리인 / 주소 |
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인용정보 | 피인용 횟수 : 718 인용 특허 : 14 |
An implanted medical device (e.g. infusion pump) and external device communicate with one another via telemetry wherein messages are transmitted under a robust communication protocol. The communication protocol gives enhanced assurance concerning the integrity of messages that impact medical operati
An implanted medical device (e.g. infusion pump) and external device communicate with one another via telemetry wherein messages are transmitted under a robust communication protocol. The communication protocol gives enhanced assurance concerning the integrity of messages that impact medical operations of the implantable device. Messages are transmitted using a multipart format that includes a preamble, a frame sync, a telemetry ID, data, and a validation code. The data portion of the message includes an op-code that dictates various other elements that form part of the message. The data portion may also include additional elements such as sequence numbers, bolus numbers, and duplicate data elements. A telemetry ID for the transmitting device may be implicitly embedded in the message as part of the validation code that is sent with the message and that must be pre-known by the receiver to confirm the integrity of the received message.
1. A medical system, comprising:a) an ambulatory medical device (MD) comprising MD electronic control circuitry that further comprises at least one MD telemetry system and at least one MD processor that controls, at least in part, operation of the MD telemetry system and operation of the medical dev
1. A medical system, comprising:a) an ambulatory medical device (MD) comprising MD electronic control circuitry that further comprises at least one MD telemetry system and at least one MD processor that controls, at least in part, operation of the MD telemetry system and operation of the medical device, wherein the medical device is configured to provide a treatment to a body of a patient or to monitor a selected state of the body; andb) a communication device (CD) comprising CD electronic control circuitry that further comprises at least one CD telemetry system and at least one CD processor that controls, at least in part, operation of the CD telemetry system and operation of the communication device, wherein the CD telemetry system sends messages to or receives messages from the MD telemetry system,wherein the MD telemetry system and the CD telemetry system are controlled to use one of a predefined plurality of preambles including a first preamble for messages sent from the communication device to the medical device and a second preamble for messages sent from the medical device to the communication device. 2. The system of claim 1 wherein a first portion of the MD telemetry system is incorporated into the MD processor and a second portion of the MD telemetry system is external to the MD processor, or wherein a first portion of the CD telemetry system is incorporated into the CD processor and a second portion of the CD telemetry system is external to the CD processor. 3. The system of claim 2 wherein (1) the MD electronic control circuitry comprises at least one external MD functional module, other than the second portion of the MD telemetry system, that is external to the MD processor, (2) the CD electronic control circuitry comprises at least one external CD functional module, other than the second portion of the CD telemetry system, that is external to the CD processor, (3) the MD processor comprises an internal MD CPU and at least one other internal MD functional module, or (4) the CD processor comprises an internal CD CPU and at least one other internal CD functional module. 4. The system of claim 1 wherein the medical device comprises and implantable infusion pump for selectively dispensing a drug. 5. The system of claim 4 wherein the drug comprises insulin. 6. The system of claim 1 wherein the medical device comprises an implantable sensor for sensing a selected state of the body. 7. The system of claim 6 wherein the sensor comprises a glucose sensor. 8. The system of claim 1 wherein the medical device comprises an implantable electrode for selectively stimulating a portion of the body of the patient. 9. The system of claim 1 wherein at least a portion of the plurality of preambles comprise different bit patterns. 10. The system of claim 9 wherein at least one bit pattern comprises a sequence that includes repeated use of a pattern of 10 or 01 and at least one other bit pattern comprises a sequence that includes repeat use of a pattern of 110, 011, 001, or 100. 11. The system of claim 1 wherein at least a portion of the plurality of preambles comprise bit patterns of different lengths. 12. The system of claim 1 wherein the first preamble comprises a sequence that includes repeated use of a pattern of 110 and wherein the second preamble comprises a sequence that includes repeated use of a pattern of 10. 13. The system of claim 1 wherein at least a portion of the preambles of messages sent to the medical device from the communication device have preambles of varying length. 14. The system of claim 1 wherein the preambles of messages sent to the communication device by the medical device have fixed lengths. 15. The system of claim 14 wherein at least some of the plurality of preambles comprise both different bit patterns and different lengths. 16. The system of claim 1 wherein a first preamble is used to send at least some messages from the communication device to the medical device and a second preamble, which is diffe rent from the first preamble, is used to send at least some messages from the medical device to the communication device. 17. The system of claim 1 wherein messages are sent from the communication device to the medical device using at least two different preamble lengths. 18. A medical system comprising:a) an ambulatory medical device (MD) comprising MD electronic control circuitry that further comprises at least one MD telemetry system and at least one MD processor that controls, at least in part, operation of the MD telemetry system and operation of the medical device, wherein the medical device is configured to provide a treatment to a body of a patient or to monitor a selected state of the body; andb) a communication device (CD) comprising CD electronic control circuitry that further comprises at least one CD telemetry system and at least one CD processor that controls, at least in part, operation of the CD telemetry system and operation of the communication device, wherein the CD telemetry system sends messages to or receives messages form the MD telemetry system,wherein the CD telemetry system is controlled to send messages from the communication device to the medical device using at least two different preambles, including an attention preamble for some messages and a standard preamble far other messages, the attention preamble comprising a preamble that captures and holds the attention of the MD telemetry system as long as it continues to be received, and the standard preamble comprising a preamble that does not hold the attention of the MD telemetry system beyond a prescribed inbound listening period. 19. The system of claim 18 wherein the attention preamble is of a different pattern than the standard preamble. 20. A system of claim 1, wherein the first and second preambles each comprises a first bit pattern and wherein the first bit pattern in one of the first or second preambles is repeated an extended number of times relative to the first bit pattern in the other of the first or second preambles. 21. A system of claim 1, wherein the first and second preambles each comprises a first bit pattern and wherein the first bit pattern in the first preamble is repeated an extended number of times relative to the first bit pattern in the second preamble. 22. A system of claim 1 wherein the CD telemetry system is controlled to send messages from the communication device to the medical device using at least two different first preambles, including an attention preamble for some messages and a standard preamble for other messages, the attention preamble comprising a preamble that captures and holds the attention of the MD telemetry system as long as it continues to be received, and the standard preamble comprising a preamble that does not hold the attention of the MD telemetry system beyond a prescribed inbound listening period.
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