[미국특허]
Systems and methods for restoring muscle function to the lumbar spine
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
A61N-001/18
A61N-001/36
A61N-002/00
A61N-002/06
출원번호
US-0061614
(2013-10-23)
등록번호
US-9072897
(2015-07-07)
발명자
/ 주소
Sachs, Dan
Rawat, Prashant Brijmohansingh
Shiroff, Jason Alan
Crosby, Peter Andrew
출원인 / 주소
Mainstay Medical Limited
대리인 / 주소
Foley & Lardner LLP
인용정보
피인용 횟수 :
7인용 특허 :
52
초록▼
A system for restoring muscle function to the lumbar spine to treat low back pain is provided. The system may include electrodes coupled to an implantable pulse generator (IPG), a handheld activator configured to transfer a stimulation command to the IPG, and an external programmer configured to tra
A system for restoring muscle function to the lumbar spine to treat low back pain is provided. The system may include electrodes coupled to an implantable pulse generator (IPG), a handheld activator configured to transfer a stimulation command to the IPG, and an external programmer configured to transfer programming data to the IPG. The stimulation command directs the programmable controller to stimulate the tissue in accordance with the programming data. The system may include a software-based programming system run on a computer such that the treating physician may program and adjust stimulation parameters.
대표청구항▼
1. A system for restoring muscle function to the lumbar spine, the system comprising: one or more electrodes configured to be implanted in or adjacent to tissue associated with control of the lumbar spine;an implantable pulse generator coupled to the one or more electrodes, the implantable pulse gen
1. A system for restoring muscle function to the lumbar spine, the system comprising: one or more electrodes configured to be implanted in or adjacent to tissue associated with control of the lumbar spine;an implantable pulse generator coupled to the one or more electrodes, the implantable pulse generator having a programmable controller and a first communications circuit;a handheld activator having a second communications circuit, the activator configured to transfer a stimulation command to the implantable pulse generator via the first and second communications circuits; andan external programmer having a third communications circuit, the external programmer configured to transfer programming data to the implantable pulse generator via the first and third communications circuits,wherein the stimulation command directs the programmable controller to stimulate the tissue in accordance with the programming data to improve lumbar spine stability and to rehabilitate function of one or more of a multifidus, transverse abdominus, quadratus lumborum, psoas major, internus abdominus, obliquus externus abdominus, and erector spinae muscles. 2. The system of claim 1, wherein the external programmer is coupled to a computer, the computer having software configured to select, adjust, and display the programming data based on user input. 3. The system of claim 1, wherein the programming data comprises at least one of: pulse amplitude, pulse width, stimulation rate, stimulation frequency, ramp timing, cycle timing, session timing, or electrode configuration. 4. The system of claim 1, wherein the stimulation commands comprises at least one of: a command to start a treatment session or stop the treatment session; a command to provide a status of the implantable pulse generator; or a request to conduct an impedance assessment. 5. The system of claim 1, wherein the one or more electrodes are configured to be implanted in or adjacent to at least one of nervous tissue, a muscle, a ligament, or a joint capsule. 6. The system of claim 1, wherein the programmable controller directs the one or more electrodes to stimulate the dorsal ramus nerve, or fascicles thereof, that innervate the multifidus muscle. 7. The system of claim 1, wherein the first, second, and third communication circuits are inductive. 8. The system of claim 1, wherein the first, second, and third communication circuits employ RF transceivers. 9. The system of claim 1, wherein the handheld activator comprises a pad coupled to a handheld housing by a cable, the cable having a sufficient length to enable a user to place the pad in extracorporeal proximity to the implantable pulse generator while viewing the handheld housing. 10. The system of claim 1, wherein the programmable controller directs the one or more electrodes to stimulate the tissue at a pulse amplitude between about 0.1-7 mA, a pulse width between about 20-500 μs, and a stimulation rate between about 1-20 Hz. 11. The system of claim 1, further comprising a lead having the one or more electrodes disposed thereon, the lead configured to be coupled to the implantable pulse generator. 12. The system of claim 11, further comprising a first fixation element coupled to the lead, the first fixation element configured to anchor the lead to an anchor site. 13. The system of claim 12, further comprising a second fixation element coupled to the lead distal to the first fixation element, wherein the first fixation element is angled distally relative to the lead and the second fixation element is angled proximally relative to the lead, and wherein the first and second fixation elements are configured to sandwich the anchor site therebetween. 14. The system of claim 1, wherein the programmable controller directs the one or more electrodes to stimulate the tissue in a charge-balanced manner. 15. The system of claim 1, wherein the programmable controller directs the one or more electrodes to stimulate the tissue with increasing pulse amplitudes to a peak pulse amplitude and then stimulate with decreasing pulse amplitudes. 16. A method for restoring muscle function of the lumbar spine to reduce back pain, the method comprising: providing one or more electrodes, an implantable pulse generator, an external programmer, and a handheld activator;implanting the one or more electrodes in or adjacent to tissue associated with control of the lumbar spine;implanting the implantable pulse generator in communication with the one or more electrodes;transferring programming data to the implantable pulse generator from the external programmer; andoperating the handheld activator to command the implantable pulse generator to stimulate the tissue with the one or more electrodes responsive to the programming data to improve lumbar spine stability and to rehabilitate function of one or more of a multifidus, transverse abdominus, quadratus lumborum, psoas major, internus abdominus, obliquus externus abdominus, and erector spinae muscles. 17. The method of claim 16, wherein implanting the one or more electrodes comprises implanting the one or more electrodes in or adjacent to at least one of: nervous tissue, a muscle, a ligament, or a joint capsule. 18. The method of claim 16, wherein the handheld activator commands the implantable pulse generator to stimulate the dorsal ramus nerve, or fascicles thereof, that innervate the multifidus muscle. 19. The method of claim 16, wherein the programming data comprises at least one of: pulse amplitude, pulse width, stimulation rate, stimulation frequency, ramp timing, cycle timing, session timing, or electrode configuration. 20. The method of claim 16, wherein the handheld activator commands the implantable pulse generator to start or stop a treatment session, report a status of the implantable pulse generator, or to request an impedance assessment.
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