ITO EU-921: High-End Dual-Channel Electrotherapy & Ultrasound Combination System
A high-performance combination physical therapy workstation featuring 3 independent channels (2 Electrotherapy + 1 Ultrasound), 7-inch color touchscreen with anatomical body diagrams, and low-BNR multi-frequency transducers.
• Biophysical Mechanism: Simultaneous Acoustic & Electrical Therapy
Targeted Deep Neuromuscular Activation
By concurrently transmitting therapeutic ultrasound through the active electrotherapy applicator, the EU-921 dramatically reduces electrical skin impedance. This facilitates deeper current penetration to depolarize hyperirritable motor points with lower perceived pain.
Dual-Frequency Acoustic Selectivity
1 MHz acoustic emission penetrates up to 5 cm into deep musculature, while 3 MHz concentrates therapeutic thermal energy within superficial tendinous and ligamentous tissues (1–2 cm). Low BNR crystals eliminate hot spots.
Key Clinical Innovations & Advantages
3 Independent Channels
Supports simultaneous treatment of two electrotherapy zones plus one ultrasound zone with dedicated intensity dials and independent timers.
Interactive Body Diagrams
Over 47 pre-set clinical protocols organized anatomically for rapid, evidence-based parameter selection on the 7-inch color display.
13 Clinical Waveforms
Includes High Voltage, Microcurrent (MCR), TENS, Russian, Diadynamic, Galvanic, and Traebert currents for all phases of rehabilitation.
Visual Coupling Ring
The ergonomic ultrasound head features a 360-degree LED indicator ring that turns off if acoustic contact is lost, protecting patient and probe.
Clinical Indications & Therapeutic Applications
Pain Management
- Cervical & Lumbar Spondylosis
- Sciatica & Nerve Root Entrapment
- Myofascial Trigger Point Spasms
- Chronic Joint Arthralgia
Sports Rehabilitation
- Rotator Cuff Tendinopathy
- Achilles & Patellar Tendon Pain
- Hamstring & Groin Strains
- Ankle Inversion Sprains
Neuromuscular Training
- Quadriceps Activation Post-Surgery
- Peripheral Facial Paresis
- Muscle Re-education Post-Immobilization
- Muscle Spasm Release
Post-Surgical Healing
- Microcurrent Cellular Repair
- Hematoma & Edema Resorption
- Scar Tissue Mobilization
- Adhesive Capsulitis
Technical Specifications & Engineering Parameters
| Parameter | Technical Specification |
|---|---|
| Manufacturer | Ito Co., Ltd. (Tokyo, Japan) |
| Channels | 3 Independent Channels (2 Electrotherapy + 1 Ultrasound) |
| Ultrasound Frequencies | 1 MHz & 3 MHz Multi-Frequency Transducers |
| Ultrasound Intensity | Continuous: 2 W/cm² | Pulsed: 3 W/cm² (Peak) |
| Duty Cycles | Continuous, Pulsed (5%, 10%, 20%, 30%, 40%, 50%) |
| BNR | Large: 1 MHz: 4.6, 3 MHz: 2.4 | Small: 1 MHz: 2.9, 3 MHz: 2.4 |
| Electrotherapy Modes | 13 Modes (HV, MCR, TENS, Diadynamic, Russian, Faradic, Galvanic, Traebert, I/T Curve & AQ) |
| Output Control | Constant Current (CC) / Constant Voltage (CV) |
| Program Memories | 210 Memorable Program Numbers |
| Pre-set Protocols | 47 Clinical Protocols with Body Diagrams |
| Display | 7.0-inch TFT Full-Color Touchscreen |
| Dimensions & Weight | 345 × 267 × 124 mm | Approx. 3.0 kg |
| Regulatory | CE Marked Class IIa Medical Device, ISO 13485 |
| Regional Warranty | 2-Year Comprehensive Warranty backed by Beamed Trading |
Standard Components & Clinical Accessories
- Large Ultrasound Probe (37.5 mm)
- Small Ultrasound Probe (16 mm)
- 2x 4-Pole Electrotherapy Cables
- 4x Rubber Electrodes with Viscose Sponges
- Ultrasound Gel (250 ml)
- Optional: SU-520 Vacuum Unit
- Optional: Medical Workstation Trolley












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