Neuromuscular block monitor

Details Neuromuscular block monitor Neuromuscular block monitor

1979-09-10

1981-09-29

Michell, Robert W.

Surgery

Truss

Pad

128741, A61B 505

Patent

active

042917050

ABSTRACT:
To determine the degree of neuromuscular blockage, the apparatus of the invention electrically, supramaximally stimulates the motor nerve of a patient by stimulus means, applies the resulting electromyogram (EMG) produced by the muscle associated with that motor nerve and integrates the amplified EMG with respect to time. The integrated, amplified EMG is then displayed. In a preferred embodiment of the invention means are also provided for displaying the integrated, amplified EMG, taken after a muscle relaxant has been administered to the patient, as a ratio of a control EMG taken with the apparatus before the administration of the drug.

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Gigauri, et al., "A New Instrument for Monitoring of Muscle Relaxation of a Patient, " Trans. from Meditsinskaya Tekhinika, No. 4, Jul.-Aug., 1974, pp. 232-234.
Thomas, H. "Muscle Measurement and Therapy Instruments", Ch. 10 in Handbook of Biomedical Instrumentation & Measurement, Reston Publ. Co., .COPYRGT.1974 pp. 321-349.
Lee, et al., "A New Instr. for Cont. Recording of Evoked Compound EMG in the Clin. Setting", Anest & Analges . . . Curr. Researches V56No2 Mar. -Apr. 1977 pp. 260-270.
Aminoff, M. J. "The Apparatus; non EMG System,", Ch. 4 in EMG in Clin Practice Wesley Publ. 1978.

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