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The Advanced Spinal Mobilization Instrument (ASMI) is for adjustment, mobilization, or manipulation of the musculoskeletal joints of the spine by a licensed health care professional. The device is for external use only.

The Advanced Spinal Mobilization Instrument (ASMI) is a handheld electromechanical device intended for adjustment, mobilization, or manipulation of the musculoskeletal joints of the spine by a licensed health care professional. The device operates in three distinct modes: introductory, mobilization, and recovery. The system incorporates a handset connected to a console. The handset consists of a metal body containing pistons and two five-port solenoid-operated valves. The console consists of a filter/regulator/filter (FRF) and a metal case which contains a proportional valve and printed circuit board (PCB). The pads, the only patient contact part, are made of silicon. The system is designed for standard connection to a compressed air source. The equipment is failsafe. The power supply is via a transformer with an output of 1.7 A at 12V. In recovery mode, the ASMI transmits a peak force of 50N. In mobilization mode, the pistons act as air springs or cushions and therefore primarily transmit the mobilizing effort applied by the practitioner.