Electronic medical system with implantable medical device, having wireless power supply transfer

• US 10,207,121 B2
• Filed: 10/27/2016
• Issued: 02/19/2019
• Est. Priority Date: 07/23/2013
• Status: Active Grant

• Current Assignee: R39 S.R.L.
• Original Assignee: Ado Holding SA
• Inventors: Guardiani, Carlo, Piazza, Daniele, Menegoli, Paolo, Clementi, Leonardo
• Primary Examiner(s): Hulbert, Amanda K
• Assistant Examiner(s): Edwards, Philip C
• Application Number:
  US15/336,196
• Publication Number:
  US 20170043170A1
• Time in Patent Office: 845 Days
• Field of Search: 607 60
• CPC Class Codes: A61M 2205/3515 using magnetic means
• CPC Class Codes: A61M 5/14276 specially adapted for implantation
• CPC Class Codes: A61M 5/172 electrical or electronic A61M5/16804, A61M5/16831 take precedence
• CPC Class Codes: A61N 1/37223 Circuits for electromagnetic coupling
• CPC Class Codes: A61N 1/3787 from an external energy source
• CPC Class Codes: H02J 2310/23 The load being a medical device, a medical implant, or a life supporting device
• CPC Class Codes: H02J 50/20 using microwaves or radio frequency waves
• CPC Class Codes: H02J 50/23 characterised by the type of transmitting antennas, e.g. directional array antennas or Yagi antennas
• CPC Class Codes: H02J 50/27 characterised by the type of receiving antennas, e.g. rectennas
• CPC Class Codes: H02J 50/80 involving the exchange of data, concerning supply or distribution of electric power, between transmitting devices and receiving devices
• CPC Class Codes: H04B 5/79 for data transfer in combination with power transfer

Abstract

An electronic medical system is described. The system comprises an external RF power transmitter configured to emit a first power signal via an electromagnetic coupling, said RF power transmitter being configured to emit said first energy signal with a power no greater than 1W. The system further comprises an implantable medical device comprising: at least one receiver antenna configured to receive said first energy signal via an electromagnetic coupling; an RF power receiver module configured to extract a second energy signal having a power of at least 1 mW and to be powered by said second energy signal; a power actuator module, operatively connected to the RF power receiver module, powered by said second energy signal. The power actuator module is configured to deliver a medical treatment to at least a target tissue of a patient on the basis of a control signal generated by the RF power receiver module.

Claims

1. An electronic medical system, comprising:

an external RF power transmitter configured to emit a first energy signal via an electromagnetic coupling, said external RF power transmitter being configured to emit said first energy signal with a power no greater than 1 W;

an implantable medical device comprising;

at least one receiver antenna configured to receive said first energy signal via the electromagnetic coupling;

an RF power receiver module operatively connected to the at least one receiver antenna, the RF power receiver module being configured to extract a second energy signal having a power of at least 1 milliwatt (mW), the RF power receiver module being powered by said second energy signal, the RF power receiver module being configured to generate a control signal;

a power actuator module, operatively connected to the RF power receiver module, powered by said second energy signal, the power actuator module being configured to receive said control signal, the power actuator module being configured to deliver a medical treatment to at least a target tissue of a patient on a basis of said control signal; and

wherein the implantable medical device comprises a RF front end module, an impedance matching network, a voltage rectifier, the power actuator module, and a voltage protection and backscattering module; and

wherein the implantable medical device further comprises a second communication interface module operatively connected to the RF power receiver module, said second communication interface module being configured to communicate data with the external RF power transmitter via a wireless link.

2. The electronic medical system of claim 1, wherein the medical treatment is an electronic stimulation, the power actuator module comprising a pulse signal generator configured to apply electrical stimulation to the target tissue, controlled by means of the control signal, providing electrical stimulus to one or more electrodes connected to the target tissue.

3. The electronic medical system of claim 1, wherein the medical treatment is an action of a medical substance, the power actuator module comprising a pump, controlled by means of the control signal, to dispense the medical substance into the target tissue.

4. The electronic medical system of claim 1, wherein the implantable medical device comprises a second programmable control unit, operatively connected to the RF power receiver module, configured to manage the implantable medical device.

5. The electronic medical system of claim 4, wherein the implantable medical device further comprises a reference module operatively connected to both the RF power receiver module and the second programmable control unit, the reference module being configured to generate a reference voltage used by a pulse generator module within the RF power receiver module.

6. An electronic medical system, comprising:

an external RF power transmitter configured to emit a first energy signal via an electromagnetic coupling, said external RF power transmitter being configured to emit said first energy signal with a power no greater than 1 W;

an implantable medical device comprising;

at least one receiver antenna configured to receive said first energy signal via the electromagnetic coupling;

an RF power receiver module operatively connected to the at least one receiver antenna, the RF power receiver module being configured to extract a second energy signal having a power of at least 1 milliwatt (mW), the RF power receiver module being powered by said second energy signal, the RF power receiver module being configured to generate a control signal;

a power actuator module, operatively connected to the RF power receiver module, powered by said second energy signal, the power actuator module being configured to receive said control signal, the power actuator module being configured to deliver a medical treatment to at least a target tissue of a patient on a basis of said control signal; and

wherein the implantable medical device comprises a RF front end module, an impedance matching network, a voltage rectifier, the power actuator module, and a voltage protection and backscattering module; and

wherein the voltage protection and backscattering module is operatively connected to the at least one receiver antenna via the RF front end module, the voltage protection and backscattering module being operatively connected to the target tissue, the voltage protection and backscattering module being configured to transmit to the external RF power transmitter feedback information received from the target tissue.

7. The electronic medical system of claim 6, wherein the medical treatment is an electronic stimulation, the power actuator module comprising a pulse signal generator configured to apply electrical stimulation to the target tissue, controlled by means of the control signal, providing electrical stimulus to one or more electrodes connected to the target tissue.

8. The electronic medical system of claim 6, wherein the medical treatment is an action of a medical substance, the power actuator module comprising a pump, controlled by means of the control signal, to dispense the medical substance into the target tissue.

9. The electronic medical system of claim 6, wherein the implantable medical device further comprises a second communication interface module operatively connected to the RF power receiver module, said second communication interface module being configured to communicate data with the external RF power transmitter via a wireless link.

10. The electronic medical system of claim 9, wherein the implantable medical device comprises a second programmable control unit, operatively connected to the RF power receiver module, configured to manage the implantable medical device.

11. The electronic medical system of claim 10, wherein the implantable medical device further comprises a reference module operatively connected to both the RF power receiver module and the second programmable control unit, the reference module being configured to generate a reference voltage used by a pulse generator module within the RF power receiver module.