# US 9,775,532 B2 · Remote control of implantable device through medical implant communication service band

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- Number: US 9,775,532 B2
- Document ID: US9775532B2
- Status: Granted
- Kind: B2
- Application number: 11/852,746
- Filed: 2007-09-10
- Published: 2007-12-27
- Granted: 2017-10-03
- Earliest claimed: 2001-10-01
- Assignees: Medtronic, Inc.
- Applicants: Eckhard Alt; John Philip Brinkmann
- Inventors: Eckhard Alt; John Philip Brinkmann
- Web page: https://patentgrep.com/patent/US9775532B2

## CPC

- A61B 5/0031: {Implanted circuitry}
- A61B 5/0205: Simultaneously evaluating both cardiovascular conditions and different types of body conditions, e.g. heart and respiratory condition
- A61B 5/0537: Measuring body composition by impedance, e.g. tissue hydration or fat content
- A61B 5/316: Modalities, i.e. specific diagnostic methods
- A61N 1/3627: {for treating a mechanical deficiency of the heart, e.g. congestive heart failure or cardiomyopathy}
- A61B 5/086: {by impedance pneumography}
- A61B 5/7232: {involving compression of the physiological signal, e.g. to extend the signal recording period}
- A61B 2560/0271: using a remote monitoring unit
- A61B 2562/0219: Inertial sensors, e.g. accelerometers, gyroscopes, tilt switches
- A61N 1/36521: {the parameter being derived from measurement of an electrical impedance}
- A61B: DIAGNOSIS; SURGERY; IDENTIFICATION (usefulness limited to only animals A61D)
- A61N: ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY (measurement of bioelectric currents A61B; surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body A61B18/00; anaesthetic apparatus in general A61M; incandescent lamps H01K; infrared radiators for heating H05B)

## Abstract

A system and method for communicating data and signals through the Medical Implant Communication Service Band using a repeater or base station in the proximity to an implantable device within a patient is disclosed. In a preferred embodiment, the device is capable for early detection and monitoring of congestive heart failure in a patient. Impedance measurements, or other health parameters depending on the type of implantable device or sensor used, are sent using a bi-directional low-power radio operating in the MICS band to a nearby base station which may provide signal processing and analysis. The base station may have an interface to one or more communications networks to connect to a remote location. The system and method of the present invention permits a healthcare professional to monitor an ambulatory patient's condition at a remote location and to program the implanted device.

## Claims

### Claim 1

A device-implemented method of detecting and monitoring an event indicative of congestive heart failure in a patient, comprising:
implanting the device on a lower left anterior lateral hemithorax of the patient;
performing ongoing measurements of impedance of a portion of the patient's body generally occupied by the lungs, said measurements of impedance being indicative, at least in part, of said event indicative of congestive heart failure;
transmitting transmissions including said measurements of impedance to a base station at a transmission time being based, at least in part, on an occurrence of the event indicative of congestive heart failure using a radio transmitter; and
sending data relating to said measurements of impedance from the base station to a remote location via a telecommunications network.