Rechargeable implantable cardioverter defibrillator

• US 10,050,476 B2
• Filed: 05/11/2016
• Issued: 08/14/2018
• Est. Priority Date: 05/12/2015
• Status: Active Grant

• Current Assignee: Newpace Ltd.
• Original Assignee: Newpace Ltd.
• Inventors: Strommer, Gera, Broder, Avraham
• Primary Examiner(s): Mahmood, Nadia A
• Application Number:
  US15/151,656
• Publication Number:
  US 20160331980A1
• Time in Patent Office: 825 Days
• Field of Search: 607 5
• CPC Class Codes: A61N 1/0504 Subcutaneous electrodes
• CPC Class Codes: A61N 1/0563 specially adapted for defibrillation or cardioversion
• CPC Class Codes: A61N 1/36507 controlled by gradient or slope of the heart potential
• CPC Class Codes: A61N 1/37223 Circuits for electromagnetic coupling
• CPC Class Codes: A61N 1/37229 Shape or location of the implanted or external antenna
• CPC Class Codes: A61N 1/3756 Casings with electrodes thereon, e.g. leadless stimulators
• CPC Class Codes: A61N 1/3787 from an external energy source
• CPC Class Codes: A61N 1/395 for treating atrial fibrillation
• CPC Class Codes: A61N 1/3956 Implantable devices for applying electric shocks to the heart, e.g. for cardioversion
• CPC Class Codes: A61N 1/3968 Constructional arrangements, e.g. casings A61N1/375 takes precedence
• CPC Class Codes: H02J 2310/23 The load being a medical device, a medical implant, or a life supporting device
• CPC Class Codes: H02J 50/10 using inductive coupling
• CPC Class Codes: H02J 50/12 of the resonant type
• 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: H02J 50/90 involving detection or optimisation of position, e.g. alignment
• CPC Class Codes: H02J 7/345 using capacitors as storage or buffering devices
• CPC Class Codes: H04B 5/79 for data transfer in combination with power transfer

Abstract

Rechargeable implantable cardioverter defibrillator including a hermetically sealed can and at least one lead, coupled with the hermetically sealed can, the hermetically sealed can including at least one high voltage capacitor, an electronic circuit, coupled with the high voltage capacitor and a rechargeable battery, coupled with the electronic circuit and the high voltage capacitor, an outer surface of the hermetically sealed can including an active section and a non-active section, the non-active section being electrically insulated from the active section, wherein a surface area of the active section acts as at least one of an electrode with the lead for forming an electric shock vector for applying a high voltage shock and a sensor for sensing electrical activity and wherein a surface area of the non-active section acts as at least one antenna for transmitting and receiving information wirelessly while also receiving electromagnetic energy to inductively charge the rechargeable battery.

Claims

1. Rechargeable implantable cardioverter defibrillator (ICD) comprising:

a hermetically sealed can; and

at least one lead, coupled with said hermetically sealed can,

said hermetically sealed can comprising;

at least one high voltage capacitor;

an electronic circuit, coupled with said at least one high voltage capacitor; and

a rechargeable battery, coupled with said electronic circuit and said at least one high voltage capacitor;

an outer surface of said hermetically sealed can comprising;

an active section; and

a non-active section, said non-active section being electrically insulated from said active section,

wherein a surface area of said active section acts as at least one of an electrode with said at least one lead for forming an electric shock vector for applying a high voltage shock and a sensor for sensing electrical activity;

wherein a surface area of said non-active section acts as at least one antenna for transmitting and receiving information wirelessly while also receiving electromagnetic (EM) energy to inductively charge said rechargeable battery; and

wherein when implanted inside a patient, said active section is placed proximal to the heart of said patient and said non-active section is placed proximal to the skin of said patient.

2. The rechargeable ICD according to claim 1, wherein said electronic circuit comprises a processor.

3. The rechargeable ICD according to claim 1, wherein said electronic circuit comprises a charging circuit, coupled with said rechargeable battery.

4. The rechargeable ICD according to claim 1, wherein said at least one lead is placed in a location in a patient selected from the list consisting of:

intravascularly; and

nonvascularly.

5. The rechargeable ICD according to claim 1, said hermetically sealed can further comprising a dielectric feed-thru, for coupling said at least one lead with at least one of said at least one high voltage capacitor, said electronic circuit and said rechargeable battery.

6. The rechargeable ICD according to claim 1, said hermetically sealed can further comprising a lead connector, for coupling said at least one lead with at least one of said at least one high voltage capacitor, said electronic circuit and said rechargeable battery.

7. The rechargeable ICD according to claim 1, wherein said non-active section is made from an insulating material selected from the list consisting of:

glass;

ceramic; and

porcelain.

8. The rechargeable ICD according to claim 1, wherein said at least one antenna is internal to said non-active section.

9. The rechargeable ICD according to claim 1, wherein said at least one antenna comprises a transmission antenna and an induction antenna.

10. The rechargeable ICD according to claim 9, wherein said transmission antenna and said induction antenna are coupled with said electronic circuit and wherein said induction antenna is also coupled with a charging circuit in said active section.

11. The rechargeable ICD according to claim 10, wherein said induction antenna receives EM energy and wherein said charging circuit converts said received EM energy into electrical energy for inductively recharging said rechargeable battery.

12. The rechargeable ICD according to claim 9, wherein said transmission antenna only transmits signals and wherein said induction antenna transmits and receives signals.

13. The rechargeable ICD according to claim 1, wherein said rechargeable battery is a lithium-ion battery.

14. The rechargeable ICD according to claim 1, wherein said received signals and said transmitted signals are wireless protocol signals.

15. The rechargeable ICD according to claim 14, wherein said wireless protocol signals are selected from the list consisting of:

Bluetooth®

;

Bluetooth low energy (BLE®

);

Wi-Fi®

;

Medical Implant Communication Service (MICS);

Medical Implant Communication Service Medical Data Service (MICS/MEDS); and

Medical Device Radiocommunications Service (MedRadio).

16. The rechargeable ICD according to claim 1, wherein said at least one antenna can wirelessly transmit signals indicative of a status of said rechargeable ICD to an external device;

and

wherein said at least one antenna can wirelessly receive signals from a programmer for programming said electronic circuit.

17. The rechargeable ICD according to claim 16, wherein said received signals from said programmer are modulated signals for simultaneously recharging said rechargeable battery and programming said electronic circuit.

18. Rechargeable implantable cardioverter defibrillator (ICD) comprising:

a hermetically sealed can; and

at least one lead, coupled with said hermetically sealed can,

said hermetically sealed can comprising;

at least one high voltage capacitor;

an electronic circuit, coupled with said at least one high voltage capacitor; and

a rechargeable battery, coupled with said electronic circuit and said at least one high voltage capacitor;

an outer surface of said hermetically sealed can comprising;

an active section;

a non-active section; and

an isolator, coupled with said active section and said non-active section, for electrically insulating said active section from said non-active section,

wherein a surface area of said active section acts as at least one of an electrode with said at least one lead for forming an electric shock vector for applying a high voltage shock and a sensor for sensing electrical activity;

wherein a surface area of said non-active section acts as at least one antenna for transmitting and receiving information wirelessly while also receiving electromagnetic (EM) energy to inductively charge said rechargeable battery; and

wherein said isolator is made from an insulating material.

19. The rechargeable ICD according to claim 18, wherein said hermetically sealed can has a D-shape.

20. The rechargeable ICD according to claim 18, wherein said non-active section has a substantially circular shape.

21. The rechargeable ICD according to claim 18, wherein said isolator has a circular shape.

22. The rechargeable ICD according to claim 18, wherein each of said active section and said non-active section has a D-shape, separating said outer surface of said hermetically sealed can into an outer active half of said hermetically sealed can and an outer non-active half of said hermetically sealed can;

wherein said isolator has a circular shape; and

wherein said isolator separates said outer active half from said outer non-active half.

23. The rechargeable ICD according to claim 22, wherein said isolator is along a circumference of said hermetically sealed can.

26. The rechargeable ICD according to claim 18, wherein said insulating material is selected from the list consisting of:

glass;

ceramic; and

porcelain.

24. Rechargeable implantable cardioverter defibrillator (ICD) comprising:

an active section; and

a non-active section, said non-active section being electrically insulated from said active section and forming a hermetically sealed can with said active section,

said active section comprising;

at least one high voltage capacitor;

an electronic circuit, coupled with said at least one high voltage capacitor; and

a rechargeable battery, coupled with said electronic circuit and said at least one high voltage capacitor;

wherein a surface area of said active section acts as at least one of an electrode for forming an electric shock vector for applying a high voltage shock and a sensor for sensing electrical activity;

wherein a surface area of said non-active section acts as at least one antenna for transmitting and receiving information wirelessly while also receiving electromagnetic (EM) energy to inductively charge said rechargeable battery; and

wherein when implanted inside a patient, said active section is placed proximal to the heart of said patient and said non-active section is placed proximal to the skin of said patient.

25. Rechargeable implantable cardioverter defibrillator (ICD) comprising:

a hermetically sealed can; and

at least one lead, coupled with said hermetically sealed can,

said hermetically sealed can comprising;

at least one high voltage capacitor;

an electronic circuit, coupled with said at least one high voltage capacitor;

a rechargeable battery, coupled with said electronic circuit and said at least one high voltage capacitor;

at least one antenna; and

a dielectric feed-thru,

wherein said at least one antenna can wirelessly receive electromagnetic (EM) energy for inductively charging said rechargeable battery;

wherein said at least one antenna can wirelessly transmit signals indicative of a status of said rechargeable ICD to an external device;

wherein said at least one antenna can wirelessly receive signals from a programmer for programming said electronic circuit; and

wherein said at least one antenna is placed on an outer surface of said hermetically sealed can and is coupled with said electronic circuit and said rechargeable battery via said dielectric feed-thru.