Patents by Inventor Robert C. Dennard

Robert C. Dennard has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 7347819
    Abstract: 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.
    Type: Grant
    Filed: June 15, 2004
    Date of Patent: March 25, 2008
    Assignee: Medtronic Minimed, Inc.
    Inventors: Ronald J. Lebel, Varaz Shahmirian, Sam W. Bowman, IV, Timothy J. Starkweather, Philip T. Weiss, Robert C. Dennard, John T. Armstrong, John D. Richert
  • Patent number: 7024245
    Abstract: 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.
    Type: Grant
    Filed: May 11, 2004
    Date of Patent: April 4, 2006
    Assignee: Medtronic Minimed, Inc.
    Inventors: Ronald J. Lebel, Varaz Shahmirian, Sam W. Bowman, IV, Robert C. Dennard, John T. Armstrong, John D. Richert
  • Publication number: 20040225338
    Abstract: 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.
    Type: Application
    Filed: June 15, 2004
    Publication date: November 11, 2004
    Applicant: Medtronic MiniMed, Inc.
    Inventors: Ronald J. Lebel, Varaz Shahmirian, Sam W. Bowman, Timothy J. Starkweather, Philip T. Weiss, Robert C. Dennard, John T. Armstrong, John D. Richert
  • Patent number: 6811534
    Abstract: An implanted medical device (e.g. infusion pump) and an external device communicate with one another via telemetry messages that are receivable only during windows or listening periods. Each listening period is open for a prescribed period of time and is spaced from successive listening periods by an interval. The prescribed period of time is typically kept small to minimize power consumption. To increase likelihood of successful communication, the window may be forced to an open state, by use of an attention signal, in anticipation of an incoming message. To further minimize power consumption, it is desirable to minimize use of extended attention signals, which is accomplished by the transmitter maintaining an estimate of listening period start times and attempting to send messages only during listening periods. In the communication device, the estimate is updated as a result of information obtained with the reception of each message from the medical device.
    Type: Grant
    Filed: January 22, 2001
    Date of Patent: November 2, 2004
    Assignee: Medtronic Minimed, Inc.
    Inventors: Sam W. Bowman, IV, Ronald J. Lebel, Varaz Shahmirian, Timothy J. Starkweather, Philip T. Weiss, Daniel H. Villegas, Robert C. Dennard, John T. Armstrong, John D. Richert
  • Patent number: 6813519
    Abstract: 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.
    Type: Grant
    Filed: January 22, 2001
    Date of Patent: November 2, 2004
    Assignee: Medtronic Minimed, Inc.
    Inventors: Ronald J. Lebel, Varaz Shahmirian, Sam W. Bowman, IV, Robert C. Dennard, John T. Armstrong, John D. Richert
  • Patent number: 6811533
    Abstract: 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.
    Type: Grant
    Filed: January 22, 2001
    Date of Patent: November 2, 2004
    Assignee: Medtronic Minimed, Inc.
    Inventors: Ronald J. Lebel, Varaz Shahmirian, Sam W. Bowman, IV, Timothy J. Starkweather, Philip T. Weiss, Robert C. Dennard, John T. Armstrong, John D. Richert
  • Publication number: 20040210267
    Abstract: 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.
    Type: Application
    Filed: May 11, 2004
    Publication date: October 21, 2004
    Applicant: Medtronic MiniMed, Inc.
    Inventors: Ronald J. Lebel, Varaz Shahmirian, Sam W. Bowman, Robert C. Dennard, John T. Armstrong, John D. Richert
  • Patent number: 6758810
    Abstract: 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.
    Type: Grant
    Filed: January 22, 2001
    Date of Patent: July 6, 2004
    Assignee: Medtronic Minimed, Inc.
    Inventors: Ronald J. Lebel, Varaz Shahmirian, Timothy J. Starkweather, Philip T. Weiss, John T. Armstrong, Robert C. Dennard, John D. Richert
  • Patent number: 6687546
    Abstract: 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.
    Type: Grant
    Filed: January 22, 2001
    Date of Patent: February 3, 2004
    Assignee: Medtronic Minimed, Inc.
    Inventors: Ronald J. Lebel, Varaz Shahmirian, Sam W. Bowman, IV, Timothy J. Starkweather, Philip T. Weiss, Robert C. Dennard, John T. Armstrong, John D. Richert
  • Patent number: 6659948
    Abstract: An implanted medical device (e.g. infusion pump) and an external device communicate with one another via telemetry messages that are receivable only during windows or listening periods. Each listening period is open for a prescribed period of time and is spaced from successive listening periods by an interval. The prescribed period of time is typically kept small to minimize power consumption. To increase likelihood of successful communication, the window may be forced to an open state, by use of an attention signal, in anticipation of an incoming message. To further minimize power consumption, it is desirable to minimize use of extended attention signals, which is accomplished by the transmitter maintaining an estimate of listening period start times and attempting to send messages only during listening periods. In the communication device, the estimate is updated as a result of information obtained with the reception of each message from the medical device.
    Type: Grant
    Filed: January 22, 2001
    Date of Patent: December 9, 2003
    Assignee: Medtronic Minimed, Inc.
    Inventors: Ronald J. Lebel, Varaz Shahmirian, Timothy J. Starkweather, Philip T. Weiss, Daniel H. Villegas, Robert C. Dennard, John T. Armstrong, John D. Richert
  • Patent number: 6585644
    Abstract: An implanted medical device (e.g. infusion pump) and an external device communicate with one another via telemetry messages that are receivable only during windows or listening periods. Each listening period is open for a prescribed period of time and is spaced from successive listening periods by an interval. The prescribed period of time is typically kept small to minimize power consumption. To increase likelihood of successful communication, the window may be forced to an open state, by use of an attention signal, in anticipation of an incoming message. To further minimize power consumption, it is desirable to minimize use of extended attention signals, which is accomplished by the transmitter maintaining an estimate of listening period start times and attempting to send messages only during listening periods. In the communication device, the estimate is updated as a result of information obtained with the reception of each message from the medical device.
    Type: Grant
    Filed: January 22, 2001
    Date of Patent: July 1, 2003
    Assignee: Medtronic Minimed, Inc.
    Inventors: Ronald J. Lebel, Varaz Shahmirian, Timothy J. Starkweather, Philip T. Weiss, Daniel H. Villegas, Robert C. Dennard, John T. Armstrong, John D. Richert
  • Publication number: 20030050535
    Abstract: An implanted medical device (e.g. infusion pump) and an external device communicate with one another via telemetry messages that are receivable only during windows or listening periods. Each listening period is open for a prescribed period of time and is spaced from successive listening periods by an interval. The prescribed period of time is typically kept small to minimize power consumption. To increase likelihood of successful communication, the window may be forced to an open state, by use of an attention signal, in anticipation of an incoming message. To further minimize power consumption, it is desirable to minimize use of extended attention signals, which is accomplished by the transmitter maintaining an estimate of listening period start times and attempting to send messages only during listening periods. In the communication device, the estimate is updated as a result of information obtained with the reception of each message from the medical device.
    Type: Application
    Filed: January 22, 2001
    Publication date: March 13, 2003
    Inventors: Sam W. Bowman, Ronald J. Lebel, Varaz Shahmirian, Timothy J. Starkweather, Philip T. Weiss, Daniel H. Villegas, Robert C. Dennard, John T. Armstrong, John D. Richert
  • Publication number: 20030028079
    Abstract: An implanted medical device (e.g. infusion pump) and an external device communicate with one another via telemetry messages that are receivable only during windows or listening periods. Each listening period is open for a prescribed period of time and is spaced from successive listening periods by an interval. The prescribed period of time is typically kept small to minimize power consumption. To increase likelihood of successful communication, the window may be forced to an open state, by use of an attention signal, in anticipation of an incoming message. To further minimize power consumption, it is desirable to minimize use of extended attention signals, which is accomplished by the transmitter maintaining an estimate of listening period start times and attempting to send messages only during listening periods. In the communication device, the estimate is updated as a result of information obtained with the reception of each message from the medical device.
    Type: Application
    Filed: January 22, 2001
    Publication date: February 6, 2003
    Inventors: Ronald J. Lebel, Varaz Shahmirian, Timothy J. Starkweather, Philip T. Weiss, Daniel H. Villegas, Robert C. Dennard, John T. Armstrong, John D. Richert
  • Publication number: 20030028184
    Abstract: An implanted medical device (e.g. infusion pump) and an external device communicate with one another via telemetry messages that are receivable only during windows or listening periods. Each listening period is open for a prescribed period of time and is spaced from successive listening periods by an interval. The prescribed period of time is typically kept small to minimize power consumption. To increase likelihood of successful communication, the window may be forced to an open state, by use of an attention signal, in anticipation of an incoming message. To further minimize power consumption, it is desirable to minimize use of extended attention signals, which is accomplished by the transmitter maintaining an estimate of listening period start times and attempting to send messages only during listening periods. In the communication device, the estimate is updated as a result of information obtained with the reception of each message from the medical device.
    Type: Application
    Filed: January 22, 2001
    Publication date: February 6, 2003
    Inventors: Ronald J. Lebel, Varaz Shahmirian, Timothy J. Starkweather, Philip T. Weiss, Daniel H. Villegas, Robert C. Dennard, John T. Armstrong, John D. Richert
  • Publication number: 20030009203
    Abstract: 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.
    Type: Application
    Filed: January 22, 2001
    Publication date: January 9, 2003
    Inventors: Ronald J. Lebel, Varaz Shahmirian, Sam W. Bowman, Timothy J. Starkweather, Philip T. Weiss, Robert C. Dennard, John T. Armstrong, John D. Richert
  • Publication number: 20020198513
    Abstract: 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.
    Type: Application
    Filed: January 22, 2001
    Publication date: December 26, 2002
    Inventors: Ronald J. Lebel, Varaz Shahmirian, Sam W. Bowman, Robert C. Dennard, John T. Armstrong, John D. Richert
  • Publication number: 20020173703
    Abstract: 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.
    Type: Application
    Filed: January 22, 2001
    Publication date: November 21, 2002
    Inventors: Ronald J. Lebel, Varaz Shahmirian, Timothy J. Starkweather, Philip T. Weiss, John T. Armstrong, Robert C. Dennard, John D. Richert
  • Publication number: 20020173702
    Abstract: 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.
    Type: Application
    Filed: January 22, 2001
    Publication date: November 21, 2002
    Inventors: Ronald J. Lebel, Varaz Shahmirian, Sam W. Bowman, Timothy J. starkweather, Philip T. Weiss, Robert C. Dennard, John T. Armstrong, John D. Richert