06687546 is referenced by 649 patents and cites 4 patents.

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.

Title
Ambulatory medical apparatus and method using a robust communication protocol
Application Number
9/768202
Publication Number
6687546 (B2)
Application Date
January 22, 2001
Publication Date
February 3, 2004
Inventor
John D Richert
La Habra Heights
CA, US
John T Armstrong
Pasadena
CA, US
Robert C Dennard
Lancaster
CA, US
Philip T Weiss
Pasadena
CA, US
Timothy J Starkweather
Simi Valley
CA, US
Sam W Bowman IV
Valencia
CA, US
Varaz Shahmirian
Northridge
CA, US
Ronald J Lebel
Sherman Oaks
CA, US
Agent
Foley & Lardner
US
Assignee
Medtronic Minimed
CA, US
IPC
A61B 5/00
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