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BLMD Series

Brushless Medical Series

MTI's Brushless Medical Series of DC Motors (the BLMD Series) is designed for high performance medical applications. Design features include high torque to inertia ratios, high operating efficiencies, high power densities, and high operating speeds. For medical use, BLMD motors are also designed to withstand autoclave cleaning and sterilization under high steam pressure and temperature conditions. In addition, these motors include custom features as prescribed by respective medical equipment manufacturers. They can be adapted to a broad array of stringent applications.

To find a medical brushless DC motor to best meet your needs, please select one from the list below. 

Fields of Applications

MTI has designed many of these types of brushless DC motors for use in the following systems:

  • Orthoscopic Surgical Tools
  • Dental Surgical Tools
Design Features
  • Vacuum environments
  • Autoclavable up to 1000 cycles
  • Highest torque and power density in the industry today
  • High torque to inertia ratio
  • Windings optimized for each application
  • High operating efficiency

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Brushless Commercial Medical Motors

Size Parameters


Model Number Former Model Number Max. Continuous Stall Torque, Tcs
Inertia, Jm
Motor Constant, Km
oz-in/Watt ½
Thermal Resistance, tr
BLMD-07-01-4P BLCM-7 3.2 1.00 1.70 20.00
BLMD-09-01-4P BLCM-09 1.76 0.28 0.85 16.00
BLMD-11-01-4P BLCM-11 9.68 0.78 4.40 14.80