Closed loop system and method for controlling muscle activity via an intrathecal catheter
First Claim
1. A closed loop feedback drug delivery system for controlling muscle activity comprising:
- a sensor for monitoring abnormal muscle activity and generating a detected muscle activity signal;
a controller for automatically adjusting at least one of timing and dosage of a drug administered to control muscle activity based on the detected muscle activity signal and producing a control signal;
a pump for administering the drug for controlling muscle activity based on the control signal; and
an intrathecal catheter delivering the drug dispensed from said pump to the spinal column.
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Accused Products
Abstract
A closed loop feedback drug delivery system for controlling muscle activity, e.g., spasticity. The system includes a sensor, e.g., an EMG sensor, for monitoring muscle activity and generating a detected muscle activity signal. A controller automatically adjusts at least one of timing and dosage of a drug administered to control muscle activity based on the detected muscle activity signal and produces a control signal. Administering of the drug, e.g., an antispasmodic drug, for controlling muscle activity based on the control signal is performed by an infusion pump. The drug after being emitted from the pump is then delivered to the spinal cord of the patient using an intrathecal catheter.
27 Citations
16 Claims
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1. A closed loop feedback drug delivery system for controlling muscle activity comprising:
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a sensor for monitoring abnormal muscle activity and generating a detected muscle activity signal; a controller for automatically adjusting at least one of timing and dosage of a drug administered to control muscle activity based on the detected muscle activity signal and producing a control signal; a pump for administering the drug for controlling muscle activity based on the control signal; and an intrathecal catheter delivering the drug dispensed from said pump to the spinal column. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A method for controlling muscle activity using a closed loop feedback drug delivery system, comprising the steps of:
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monitoring abnormal muscle activity and generating a detected muscle activity signal; automatically adjusting at least one of timing and dosage of a drug administered to control muscle activity based on the detected muscle activity signal and producing a control signal; administering a drug for controlling muscle activity based on the control signal; and delivering the drug to be administered via an intrathecal catheter to the spinal column. - View Dependent Claims (9, 10, 11, 12, 13, 14)
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15. A method for controlling muscle activity using a closed loop feedback drug delivery system, comprising the steps of:
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monitoring naturally occurring muscle activity and generating a detected muscle activity signal; automatically adjusting at least one of timing and dosage of a drug administered to control muscle activity based on the detected muscle activity signal and producing a control signal; administering a drug for controlling muscle activity based on the control signal; and delivering the drug to be administered via an intrathecal catheter to the spinal column.
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16. A closed loop feedback drug delivery system for controlling muscle activity comprising:
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a sensor for monitoring naturally occurring muscle activity and generating a detected muscle activity signal; a controller for automatically adjusting at least one of timing and dosage of a drug administered to control muscle activity based on the detected muscle activity signal and producing a control signal; a pump for administering the drug for controlling muscle activity based on the control signal; and an intrathecal catheter delivering the drug dispensed from said pump to the spinal column.
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Specification