Technique for blood pressure regulation
First Claim
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1. A system for neural stimulation for controlling cardiovascular function in a living body comprising:
- an pulse generator for producing a pulsed electrical signal at a variable output rate, said pulse generator comprising;
a neurostimulation electrode;
a first lead, for conducting said pulsed electrical signal to said neurostimulation electrode; and
a first communications interface for receiving an external control signal, said output rate being responsive to said control signal;
wherein said output rate is within a range of activity of a baroreceptor.
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Abstract
An implantable device (20) uses the carotid baroreflex in order to control systemic blood pressure. The implant includes sampling and pulse stimulation electrodes (44) preferably located on the carotid sinus nerve branch of the glossopharyngeal nerve, adjacent and distal to the carotid sinus baroreceptors. The stimulators have an external control unit, which communicates with the implant for determining appropriate operational parameters, and for retrieving telemetry information from the device'"'"'s data bank. Typically two internal devices are implanted, one at each side of the patient'"'"'s neck.
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Citations
30 Claims
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1. A system for neural stimulation for controlling cardiovascular function in a living body comprising:
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an pulse generator for producing a pulsed electrical signal at a variable output rate, said pulse generator comprising;
a neurostimulation electrode;
a first lead, for conducting said pulsed electrical signal to said neurostimulation electrode; and
a first communications interface for receiving an external control signal, said output rate being responsive to said control signal;
wherein said output rate is within a range of activity of a baroreceptor. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23)
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24. A method for controlling cardiovascular function in a living body comprising the steps of:
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conducting a pulsatile signal to a nerve, said nerve carrying baroreceptor impulses at a stimulation rate that is within a range of activity of a type II baroreceptor;
measuring a value of a cardiovascular parameter in said body; and
adjusting said stimulation rate responsive to said value. - View Dependent Claims (25, 26, 27, 28, 29, 30)
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Specification