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Application — Medical Equipment

Brushless Motor For Medical Equipment And Lab Devices.

Medical devices demand motors that are quiet, precise and failure-resistant. A brushless DC motor produces no carbon dust from brush wear, runs at noise levels below 45 dB(A), and delivers the repeatable speed accuracy that ventilators, infusion pumps and centrifuges require. Shenghe builds compact BLDC motors and planetary gear motors optimized for medical OEM integration.

  • 12V / 24V low-voltage safe operation
  • 20W — 400W rated power range
  • Ultra-low noise: 35-45 dB(A)
  • Precision speed control within ±1%
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Why BLDC In Medical

What Makes Brushless Motors The Standard In Medical Device Design

  • No carbon brush dust contaminating cleanroom or patient environments
  • 35-45 dB(A) noise level suitable for ICU, ward and operating room use
  • Precise speed control within ±1% for accurate fluid delivery and centrifuge RPM
  • 20,000+ hour lifespan reduces maintenance intervals on critical devices
  • No electromagnetic spark interference with sensitive monitoring equipment
  • Compact size and low weight for handheld surgical tools and portable devices

Typical Medical Motor Spec Range

ParameterRange
VoltageDC 12V / 24V
Rated power20 W — 400 W
Motor speed500 — 10,000 RPM
Gear ratio3:1 — 200:1 (planetary)
Output torque0.05 Nm — 20 Nm
Noise level35 — 45 dB(A)
Shaft runout< 0.02 mm for precision tools
FeedbackHall sensor + encoder (optional)

Medical Equipment Use Cases

  • Ventilators and CPAP: Blower impeller drive with precise airflow and pressure control for respiratory therapy
  • Infusion pumps: Peristaltic roller drive requiring accurate, pulsation-free low-speed rotation
  • Surgical power tools: Bone drills, saws and dermatome handpieces needing high speed and low vibration
  • Laboratory centrifuges: High-speed spin with balanced rotor and controlled acceleration/deceleration curves
  • Patient bed actuators: Quiet height, tilt and Trendelenburg adjustment via geared BLDC motors
  • Imaging equipment: CT gantry positioning, X-ray collimator adjustment, MRI-compatible variants
  • Dental handpieces: Ultra-compact high-speed motors for polishing, drilling and endodontic instruments

Quality And Compliance Details

  • 100% end-of-line testing: Every motor tested for speed, current, vibration and noise before shipment
  • Traceability: Laser-engraved serial numbers with full production records retained 10+ years
  • RoHS / REACH: Full material declarations available for device regulatory submissions
  • Low outgassing: Medical-grade adhesives and insulation for cleanroom compatibility
  • EMC design: Shielded windings and filtered leads to minimize electromagnetic interference
  • Sterilization-ready housing: IP65 enclosure withstands surface disinfection wipe-down

Motor For Your Medical Device?

Send us your device type, speed range, torque requirement, noise limit and expected annual volume. We will recommend a tested BLDC motor platform and provide compliance documentation to support your regulatory submission. Quote within one working day.

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