Medical diagnostic and communication system

• US 20070032832A1
• Filed: 08/03/2005
• Published: 02/08/2007
• Est. Priority Date: 08/03/2005
• Status: Active Grant

• Current Assignee: Kamilo Feher
• Original Assignee: Kamilo Feher
• Inventors: Feher, Kamilo
• Granted Patent: US 7,548,787 B2
• Time in Patent Office: Days
• US Class Current: 607/32
• CPC Class Codes: A61B 5/0015 characterised by features of the telemetry system
• CPC Class Codes: A61B 5/0022 Monitoring a patient using a global network, e.g. telephone networks, internet
• CPC Class Codes: A61B 5/01 Measuring temperature of body parts ; Diagnostic temperature sensing, e.g. for malignant or inflamed tissue clinical contact thermometers G01K13/20
• CPC Class Codes: A61B 5/024 Detecting, measuring or recording pulse rate or heart rate A61B5/0205, A61B5/021 take precedence
• CPC Class Codes: A61B 5/14532 for measuring glucose, e.g. by tissue impedance measurement
• CPC Class Codes: G16H 10/60 for patient-specific data, e.g. for electronic patient records
• CPC Class Codes: G16H 15/00 ICT specially adapted for medical reports, e.g. generation or transmission thereof
• CPC Class Codes: H04B 1/1036 with automatic suppression of narrow band noise or interference, e.g. by using tuneable notch filters H04B1/123 takes precedence; filter circuits H03H
• CPC Class Codes: H04B 1/69 Spread spectrum techniques
• CPC Class Codes: H04B 1/707 using direct sequence modulation
• CPC Class Codes: H04B 1/709 Correlator structure
• CPC Class Codes: H04B 2201/70715 with application-specific features
• CPC Class Codes: H04B 2201/70716 Quadrature
• CPC Class Codes: H04B 7/04 using two or more spaced independent antennas
• CPC Class Codes: H04B 7/18504 Aircraft used as relay or high altitude atmospheric platform
• CPC Class Codes: H04B 7/2628 using code-division multiple access [CDMA] or spread spectrum multiple access [SSMA] H04B7/2618 takes precedence
• CPC Class Codes: H04J 11/00 Orthogonal multiplex systems, e.g. using WALSH codesH04J13/00 takes precedence
• CPC Class Codes: H04L 1/0003 by switching between different modulation schemes
• CPC Class Codes: H04L 27/2017 in which the phase changes are non-linear, e.g. generalized and Gaussian minimum shift keying, tamed frequency modulation H04L27/201 takes precedence
• CPC Class Codes: H04L 27/2071 in which the data are represented by the carrier phase, e.g. systems with differential coding
• CPC Class Codes: H04L 27/2627 : Modulators
• CPC Class Codes: H04L 27/2649 : Demodulators
• CPC Class Codes: H04L 5/0007 : the frequencies being orthogonal, e.g. OFDM(A), DMT
• CPC Class Codes: H04L 5/1453 : of modulation type
• CPC Class Codes: H04M 7/006 : Networks other than PSTN/ISDN providing telephone service, e.g. Voice over Internet Protocol (VoIP) , including next generation networks with a packet-switched transport layer H04L65/00 takes precedence; aspects not specific to the type of network H04M3/00; special services in those networks H04M3/42
• CPC Class Codes: H04W 12/06 : Authentication
• CPC Class Codes: H04W 12/79 : Radio fingerprint
• CPC Class Codes: H04W 4/023 : using mutual or relative location information between multiple location based services [LBS] targets or of distance thresholds
• CPC Class Codes: H04W 4/025 : using location based information parameters
• CPC Class Codes: H04W 4/90 : Services for handling of emergency or hazardous situations, e.g. earthquake and tsunami warning systems [ETWS]
• CPC Class Codes: H04W 64/00 : Locating users or terminals or network equipment for network management purposes, e.g. mobility management
• CPC Class Codes: H04W 88/02 : Terminal devices
• CPC Class Codes: H04W 88/06 : adapted for operation in multiple networks or having at least two operational modes, e.g. multi-mode terminals
• CPC Class Codes: Y02A 90/10 : Information and communication technologies [ICT] supporting adaptation to climate change, e.g. for weather forecasting or climate simulation

Abstract

Cardiac stimulation device and wireless communication system, without magnetic detection or magnetic control of the heart pacemaker parameters, having leads for carrying stimulating pulses to and or from one or more electrodes located in a heart and a pulse generator configured to generate stimulation pulses. In certain embodiments and environments the heart pacemaker could operate in an emergency room, even during Magnetic Resonance Imaging (MRI) diagnostic studies. A processor for connection of the stimulating pulses to and/or from one or more spread spectrum transmitter-receiver (T/R) circuits and/or from a signal processing network for receiving said stimulation pulses and for providing cross-correlated in-phase and quadrature-phase baseband signals. One or more modulators and demodulators for transmission and/or reception of one or more spread spectrum and/or cross-correlated signals.

Claims

1. A cardiac stimulation device and communication system comprising:

leads for carrying stimulation pulses to and or from one or more electrodes;

a pulse generator configured to generate stimulation pulses and for providing said pulses by said leads to the electrodes;

an interface circuit and/or processor for connection of said stimulation pulses to and/or from one or more wireless transmitter-receiver (T/R) circuits for transmission and/or reception of one or more wireless signals; and

a control circuit coupled to one or more of said wireless transmitter-receiver circuits, said control circuit comprising a control signal generator for generating control signals for controlling operation parameters of the implantable cardiac stimulation device.

2. A cardiac stimulation and communication system comprising:

a pulse generator and processor for processing the stimulation pulses to and/or from one or more electrodes, said electrodes located in a heart;

a signal processing network for receiving said stimulation pulses and for providing cross-correlated in-phase and quadrature-phase baseband signals;

a signal processing network for receiving said stimulation pulses and for providing a filtered baseband signal; and

a selector for selecting either the cross-correlated signals or the filtered signal or both the cross-correlated signals and the filtered signal; and

providing the selected signals to one or more modulators for signal modulation.

3. An implantable cardiac stimulation and modulation system comprising:

a processor for processing stimulation pulses to and/or from one or more electrodes;

a signal processing network for receiving said stimulation pulses and for providing in-phase and quadrature-phase baseband signals;

a signal processing network for receiving said stimulation pulses and for providing a filtered baseband signal; and

a selector for selecting either the in-phase and quadrature-phase baseband signals or the filtered signal or both the in-phase and quadrature-phase baseband signals and the filtered signal; and

providing the selected signals to one or more modulators for signal modulation.

4. A medical diagnostic and communication system comprising:

a processor for processing signals received from one or more medical diagnostic devices;

a first signal processing network for receiving said processed signals and for providing in-phase and quadrature-phase baseband signals;

a second signal processing network for receiving said processed signals and for providing a filtered baseband signal; and

a selector for selecting either the in-phase and quadrature-phase baseband signals or the filtered baseband signal or both the in-phase and quadrature-phase baseband signals and the filtered signal; and

providing the selected signals to one or more modulators for signal modulation.

5. A medical diagnostic and communication system comprising:

a processor for processing signals received from one or more medical diagnostic devices;

a first signal processing network for receiving said processed signals and for providing baseband signals having a first specified bit rate;

a second signal processing network for receiving said processed signals and for providing baseband signals having a second specified bit rate; and

a selector for selecting either the first specified bit rate signal or the second specified bit rate signal or both the first specified bit rate signal and the second specified bit rate signal; and

providing the selected signals to one or more modulators for signal modulation.

6. In a medical and diagnostic communication system, the improvement comprising:

a transmitter of signals generated by a medical device;

a receiver for reception and processing of said medical device generated signals to baseband signals;

circuitry for processing said baseband signals for generation of in-phase and quadrature-phase spread spectrum baseband signals; and

a modulator for quadrature modulation of the in-phase and quadrature-phase baseband spread spectrum signals.

7. A stimulation device and communication system comprising:

leads for carrying stimulating pulses to and or from one or more electrodes;

a pulse generator configured to generate stimulation pulses and for providing said pulses by said leads to the electrodes;

an interface circuit and/or processor for connection of said stimulating pulses to and/or from one or more spread spectrum transmitter-receiver (T/R) circuits for transmission and/or reception of one or more spread spectrum signals;

a control circuit coupled to one or more of said spread spectrum transmitter-receiver circuits and the said pulse generator and further arranged to process and detect one or more received signals; and

said control circuit having a control signal generator for controlling the operation parameters of the stimulation device.