Patent ReferencesImplantable medication infusion system Systems and methods for operating ambulatory medical devices such as drug delivery devices System and method for noninvasively altering the function of an implanted pacemaker Parallel processors in implantable medical device Apparatus and method for dynamically interpreting and displaying a real-time telemetry link Ambulatory infusion pump Base plate for a drug pump Pump chamber back pressure dissipation apparatus and method Systems and methods for operating ambulatory medical devices such as drug delivery devices Systems and methods for automated testing of medical equipment Inventors
AssigneeApplicationNo. 768221 filed on 01/22/2001US Classes:607/60, Telemetry or communications circuits128/903, RADIO TELEMETRY604/67Sensor controls pump, motor, or pressure driven meansExaminersPrimary: Wolfe, Willis R.Attorney, Agent or FirmForeign Patent References
International ClassA61N 001/08AbstractAn implantable infusion pump possesses operational functionality that is, at least in part, controlled by software operating in two processor ICs which are configured to perform some different and some duplicate functions. The pump exchanges messages with an external device via telemetry. Each processor controls a different part of the drug infusion mechanism such that both processors must agree on the appropriateness of drug delivery for infusion to occur. Delivery accumulators are incremented and decremented with delivery requests and with deliveries made. When accumulated amounts reach or exceed, quantized deliverable amounts, infusion is made to occur. The accumulators are capable of being incremented by two or more independent types of delivery requests. Operational modes of the infusion device are changed automatically in view of various system errors that are trapped, various system alarm conditions that are detected, and when excess periods of time lapse between pump and external device interactions.Other References
Field of SearchRADIO TELEMETRYBy comparison of patient data to other data DIAGNOSTIC TESTING Via monitoring a plurality of physiological data, e.g., pulse and blood pressure Infrared, visible light, or ultraviolet radiation directed on or through body or constituent released therefrom Partial pressure of constituent Detecting heartbeat electric signal Testing artificially regulated or assisted heart Respiratory Material flow varying means controlled by condition responsive sensor Sensor responsive to body condition Sensor controls pump, motor, or pressure driven means Combined cardioverting/defibrillating and pacing Cardioverting/defibrillating Controlling or indicating stimulation level Heart rate regulating (e.g., pacing) Parameter control in response to sensed physiological load on heart Plural sensed conditions Remotely changing, (e.g., programming, pacer) parameters or operation Assurance of security, accuracy, or completion of programming procedure Communicating with pacer (e.g., telemetry) Telemetry or communications circuits | |