Implantable pulse generator systems and methods for providing functional and/or therapeutic stimulation of muscles and/or nerves and/or central nervous system tissue
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
A61N-001/378
A61N-001/36
A61N-001/372
A61N-001/375
A61N-001/05
출원번호
US-0517170
(2006-09-07)
등록번호
US-9205255
(2015-12-08)
발명자
/ 주소
Strother, Robert B.
Thrope, Geoffrey B.
출원인 / 주소
MEDTRONIC URINARY SOLUTIONS, INC.
대리인 / 주소
Shumaker & Sieffert, P.A.
인용정보
피인용 횟수 :
1인용 특허 :
246
초록▼
Improved assemblies, systems, and methods provide a stimulation system for prosthetic or therapeutic stimulation of muscles, nerves, or central nervous system tissue, or any combination. The stimulation system includes a pulse generator including a housing sized and configured for implantation in su
Improved assemblies, systems, and methods provide a stimulation system for prosthetic or therapeutic stimulation of muscles, nerves, or central nervous system tissue, or any combination. The stimulation system includes a pulse generator including a housing sized and configured for implantation in subcutaneous tissue, circuitry carried within the housing, the circuitry operable for generating electrical stimulation pulses, and a rechargeable battery coupled to the circuitry and carried within the housing, the rechargeable battery including a battery capacity. The circuitry is adapted to suspend the generation of electrical stimulation pulses at a first remaining battery capacity, and the circuitry is adapted to enter a dormant mode at a second remaining battery capacity. The first battery remaining capacity may be greater than or equal to the second remaining battery capacity. At the second remaining battery capacity, only a safety margin battery capacity remains.
대표청구항▼
1. A pulse generator adapted to be coupled to an electrode to provide electrical stimulation comprising: a housing configured for implantation in tissue of a patienta rechargeable battery carried within the housing;circuitry carried within the housing and coupled to the rechargeable battery, the cir
1. A pulse generator adapted to be coupled to an electrode to provide electrical stimulation comprising: a housing configured for implantation in tissue of a patienta rechargeable battery carried within the housing;circuitry carried within the housing and coupled to the rechargeable battery, the circuitry comprising first circuitry for generating electrical stimulation pulses and second circuitry for recharging the rechargeable battery; anda power receiving coil coupled to the second circuitry,wherein the circuitry is configured to suspend the generation of electrical stimulation pulses when a capacity of the rechargeable battery decreases below a first remaining capacity and the circuitry is configured to cause the pulse generator to enter a dormant mode when the capacity of the rechargeable battery decreases below a second remaining capacity,wherein the first and second circuitry are electrically isolated from the rechargeable battery when the pulse generator is in the dormant mode,wherein the pulse generator is configured to exit the dormant mode upon receipt of power by the power receiving coil from a transcutaneously applied radio frequency magnetic field,wherein the pulse generator exits the dormant mode by at least electrically reconnecting the second circuitry to the rechargeable battery, andwherein the second remaining capacity comprises a safety margin capacity between approximately 5% and approximately 20% of a total capacity of the battery. 2. The pulse generator according to claim 1, wherein the first remaining capacity is greater than or equal to the second remaining capacity. 3. The pulse generator according to claim 1, wherein the housing includes a connection header coupled to the circuitry, the connection header configured to accept an IS-1 standard plug-in lead connector. 4. The pulse generator according to claim 1, wherein the second circuitry is configured to transfer the received power to the rechargeable battery and to recharge the battery in a time period of not more than six hours. 5. The pulse generator according to claim 1, wherein the capacity of the rechargeable battery is at least 30 mA-hr when the rechargeable battery is fully charged, and wherein recharging of the rechargeable battery is required less than weekly. 6. The pulse generator according to claim 1, wherein the pulse generator is temporarily inert when the pulse generator is in the dormant mode. 7. The pulse generator according to claim 1, wherein the pulse generator is configured to operate at a low rate of wireless telemetry at the first capacity. 8. The pulse generator according to claim 1, further comprising an antenna coupled to the circuitry and carried within the housing, wherein the antenna is configured to communicate with a remote device by wireless telemetry. 9. The pulse generator according to claim 8, wherein the implantable pulse generator is configured to enter the dormant mode based on at least one of a wireless telemetry command from an external controller or a static magnetic field transcutaneously applied to the pulse generator at any capacity of the rechargeable battery. 10. The pulse generator of claim 1, wherein the pulse generator is configured to enter an active and charging mode upon the receipt of the power by the power receiving coil from the transcutaneously applied radio frequency magnetic field, wherein the rechargeable battery provides battery power to the first circuitry of the implantable pulse generator and receives recharge current from the second circuitry when the pulse generator is in the active and charging mode. 11. The pulse generator of claim 10, wherein the pulse generator is configured to exit the dormant mode and enter an active and charging mode upon receipt of power by the power receiving coil from a transcutaneously applied radio frequency magnetic field when the rechargeable battery is at or less than the first remaining capacity. 12. The pulse generator of claim 1, wherein the pulse generator is configured to exit the dormant mode by at least electrically reconnecting the first circuitry to the rechargeable battery. 13. The pulse generator of claim 12, wherein the pulse generator is configured to resume generation of stimulation via the first circuitry after exiting the dormant mode, wherein the pulse generator resumes generation of stimulation when the rechargeable battery is at or less than the first remaining capacity. 14. The pulse generator of claim 13, wherein, after entering the active and charging mode, the pulse generator is configured to enter an active mode, wherein the rechargeable battery provides power to the first circuitry of the implantable pulse generator but does not receive recharge current from the second circuitry when the pulse generator is in the active mode. 15. A method comprising: suspending the generation of electrical stimulation pulses of an implantable pulse generator when a capacity of a rechargeable battery decreases below a first remaining capacity, the implantable pulse generator comprising: a housing configured for implantation in tissue of a patient,the rechargeable battery carried within the housing,circuitry carried within the housing and coupled to the rechargeable battery, the circuitry including first circuitry for generating electrical stimulation pulses and second circuitry for recharging the rechargeable battery, anda power receiving coil coupled to the second circuitry;entering a dormant mode when the capacity of the rechargeable battery decreases below a second remaining capacity, wherein the first and second circuitry are electrically isolated from the rechargeable battery when the pulse generator is in the dormant mode;exiting the dormant mode upon receipt of power by the power receiving coil from a transcutaneously applied radio frequency magnetic field, wherein exiting the dormant mode includes reconnecting the second circuitry to the rechargeable battery, andwherein the second remaining capacity comprises a safety margin capacity between approximately 5% and approximately 20% of a total capacity of the battery. 16. The method according to claim 15, wherein the first remaining capacity is greater than or equal to the second remaining capacity. 17. The method according to claim 15, wherein the pulse generator is configured to operate at a low rate of wireless telemetry at the first capacity. 18. The method according to claim 15, wherein the pulse generator is temporarily inert when the pulse generator is in the dormant mode. 19. The method according to claim 15, wherein at least one of a wireless telemetry command from an external controller or a static magnetic field transcutaneously applied to the pulse generator is configured to cause the pulse generator to enter the dormant mode at any capacity of the rechargeable battery. 20. The method of claim 15, further comprising entering an active and charging mode upon receipt of the power by the power receiving coil from the transcutaneously applied radio frequency magnetic field, wherein the rechargeable battery provides battery power to the first circuitry of the implantable pulse generator and receives recharge current from the second circuitry when the pulse generator is in the active and charging mode. 21. The method of claim 20, wherein the pulse generator is configured to exit the dormant mode and enter an active and charging mode upon receipt of power by the power receiving coil from a transcutaneously applied radio frequency magnetic field when the rechargeable battery is at or less than the first remaining capacity. 22. The method of claim 15, wherein exiting the dormant mode includes electrically reconnecting the first circuitry to the rechargeable battery. 23. The method of claim 22, further comprising resuming the generation of stimulation via the first circuitry after exiting the dormant mode, wherein the generation of stimulation is resumed when the rechargeable battery is at or less than the first remaining capacity.
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