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US 2013/0172957 A1Published application
Non-invasive nerve stimulator circuit
AssigneeElectroCore, Inc.
InventorsSteven Mendez, Hechung Hu, Arthur Ross, Puyon Guo
Life of this patent
Estimating the term…
Abstract
The present disclosure describes a circuit that may be used in a non-invasive nerve stimulator. The circuit contains a signal source, a power source, an amplification source and a user interface portion. The circuit may be used in a handheld device that is applied directly to the surface of a patient or it may be used in other configurations.
Claims19
A circuit for non-invasive nerve stimulator comprising:
- a signal generator having an output for generating a pattern of stimulating pulses;
- a primary power source;
- a power converter coupled to the primary power source;
- a signal amplification stage, coupled to the power converter and the signal generator, comprising a current mirror, a differential amplifier, and a current limiter, and
- a pair of contacts for non-invasively conveying the pattern of stimulating pulses to the skin of a patient.
2 more elements
A circuit for non-invasive nerve stimulation comprising:
- a signal microcontroller for storing a digital signal and outputting an analog signal, the signal microcontroller coupled to a real time clock,
- a user interface coupled to the signal microcontroller comprising;
- a switch, an audio generator, and a visual indicator;
- a first power supply and a second power supply coupled to the signal microcontroller and the user interface,
- wherein the second power supply contains a voltage converter for increasing the voltage from the first power supply,
- a signal treatment stage, coupled to the signal microcontroller and the second power supply, comprising a current mirror for amplifying and differentiating the analog signal, and at least one conductor connected to the signal treatment stage for non invasively delivering the analog signal to a patient.
3 more elements
A signal generator for generating a signal comprising:
- a microprocessor;
- a primary power source;
- a power converter coupled to the primary power source;
- a signal amplification stage, coupled to the power converter, comprising a current mirror, a differential amplifier, and a current limiter, and
- a pair of contacts for non-invasively conveying the signal to the skin of a patient.
2 more elements
Dependencies are inferred from the claim text.