Surgery: light – thermal – and electrical application – Light – thermal – and electrical application – Electrical therapeutic systems
Reexamination Certificate
2007-11-27
2007-11-27
Layno, Carl (Department: 3766)
Surgery: light, thermal, and electrical application
Light, thermal, and electrical application
Electrical therapeutic systems
C607S046000, C607S049000, C623S024000, C623S027000, C623S057000
Reexamination Certificate
active
10030973
ABSTRACT:
This invention relates to a system and methods for relieving phantomlimb pain in amputees, and for providing an amputee with sensory feedback from a prosthetic limb. The system employs implantable multichannel, multi-chambered interface structures, namely, nerve cuffs. The implanted nerve cuffs have electrodes which transmit electrical signals generated by a signal generator to nerves, recruiting certain neurons to send sensory signals to the cerebral cortex, suggesting sensory sensations to the amputee. Such signals can arise directly from the signal generator, approximating the train of signals seen by the cortex in a normally innervated limb, or can originate from sensors in a prosthetic limb.
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“Discrimination of Phantom Hand Sensations Elicited by Afferent Electrical Nerve Stimulation in Below-Elbow Amputees,” Anani et al., Med. Progr. Technol. 6, 131-135 (1979).
Johnson Shevon E
Layno Carl
Neurostream Technologies Inc.
Seyfarth Shaw LLP
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