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- Weight: 14.0 lb
- Provides muscle stimulation through two-channel, four-pad application and therapeutic ultrasound through a lightweight ergonomically designed transducer
- Each modality may be used independently or in combination
- Treatment stop switch allows the patient to discontinue stimulator output at the press of a button
- Transducer sealed for underwater therapy
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MFR:
Amrex
Ships from Manufacturer
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MPN: 01-US54-ST
- Phone: (800) 221-9069
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Frequently asked questions
Does the US/54 offer advanced combination therapy?
Yes, the Amrex SynchroSonic US/54 is specifically engineered for advanced combination therapy, allowing for the simultaneous application of two powerful modalities:
- Therapeutic Ultrasound: Delivers thermal effects using a high-quality Barium-titanate crystal transducer operating at 1.0 MHz. The transducer is sealed, making it suitable for underwater therapy.
- Low Volt Muscle Stimulation: Provides analgesic and muscle recruitment benefits through a dual-channel, four-pad stimulator.
This capability allows practitioners to leverage the synergistic effects of both deep heating (ultrasound) and muscle stimulation (analgesic effects) for comprehensive treatment.
What important safety features are included?
The Amrex SynchroSonic US/54 is equipped with multiple professional-grade safety features to protect both the patient and the equipment:
- Patient Treatment Stop Switch: A critical feature that allows the patient to immediately and safely discontinue the electrical stimulator output, ensuring maximum comfort and control.
- Cable Fault Alarm System: For the ultrasound component, this system actively monitors the transducer connection and cable integrity. It triggers an automatic safety shutdown if it detects improper connection or cable damage.
- Intensity Reset Circuit: Included in the low volt muscle stimulator to provide operational protection and safety control.
- Transducer Protection Switch: A dedicated safeguard to protect the sensitive ultrasound transducer during operation.
Is a comprehensive accessory kit included?
Yes, the Amrex SynchroSonic US/54 ships with a comprehensive accessory kit, ensuring immediate usability for both ultrasound and electrical muscle stimulation treatments. This allows practitioners to begin combination therapy routines immediately.
The essential components included are:
- Ultrasound & Conductance:
- The required Ultrasound Transducer (the specific type depends on the configuration purchased).
- Bottle of Conductance and Coupling Gel (#02-OCG-01).
- Bottle of Flextrode Conductive Spray (#02-OCS-01).
- Electrical Stimulation Supplies:
- (4) 4-inch Flextrode Pads (#02-F104) and (20) 4-inch Flextrode Covers (#02-FC104).
- (1) 3.5” x 7” Sponge Pad Electrode (#02-A105).
- A complete set of Patient Leads (Dual Retractable, Black, and White).
- Safety and Support:
- Patient Treatment Stop Switch (#23-PIS), which enables the patient to immediately cease stimulator output.
- Retention Straps: (2) 22-inch and (2) 42-inch straps.
- Hospital Grade Power Cord (#27-PCH).
Can I use ultrasound and stimulation modes separately?
Yes, the Amrex SynchroSonic US/54 offers excellent flexibility. You can use the therapeutic ultrasound and the low volt muscle stimulation modalities independently or utilize them simultaneously for SynchroSonic combination therapy.
Is this device suitable for professional use?
Yes, the Amrex SynchroSonic US/54 is specifically designed for professional use in settings like physical therapy clinics and rehabilitation centers. It requires a prescription for patients.
Can the transducer be used underwater?
Yes, the transducer included with the Amrex SynchroSonic US/54 is sealed for underwater therapy, expanding its treatment applications.
What advanced safety features does the US/54 include?
The Amrex SynchroSonic US/54 is engineered with multiple critical safety features to ensure reliable professional use and patient well-being, especially during combination therapy.
Key safety components include:
- Patient Treatment Stop Switch: A dedicated control that allows the patient to instantly and safely discontinue the electrical muscle stimulator output when pressed.
- Cable Fault Alarm System: This advanced ultrasound safety feature actively monitors the transducer connection, initiating a safety shutdown if an improper connection or cable damage is detected.
- Sealed Transducer and Protection Switch: The ergonomic transducer is sealed, allowing for safe underwater therapy, and includes an internal transducer protection switch.
- Intensity Reset Circuit: The electrical stimulator section incorporates this circuit to maintain stable and safe output levels.
Additionally, the device is CSA Approved, confirming compliance with rigorous safety and performance standards for professional medical equipment.
What are the dimensions and weight of the unit?
The dimensions and weight specifications for the Amrex SynchroSonic US/54 unit are as follows:
- Overall Dimensions: 14.5” (W) x 11” (D) x 7” (H)
- Unit Weight (including the transducer): 14 lb (6.4 kg)
- Shipping Weight: 22 lb (10 kg)
What are the core ultrasound transducer specifications?
The Amrex SynchroSonic US/54 utilizes a professional, lightweight, and ergonomically designed ultrasound transducer that is fully sealed, making it suitable for effective underwater therapy.
Key technical specifications for the transducer and ultrasound output are:
- Frequency: 1.0 MHz (± 5% tolerance).
- Output Power: Adjustable intensity up to 5 W/cm² (0 to 20 W total output).
- Effective Radiating Area (ERA): 4 cm² (± 20%).
- Beam Nonuniformity Ratio (BNR): A maximum of 5.5:1, indicating a highly uniform therapeutic beam pattern.
- Crystal Material: Barium-titanate.
- Beam Type: Collimating.
For enhanced operational safety, the system incorporates a Cable Fault Alarm System to monitor transducer connection integrity, triggering a safety shutdown if a fault is detected. The transducer is available in standard or small faceplates, with optional QuickConnect configurations for easy cable replacement.
Does the stimulator have a wide frequency range?
Yes, the electrical stimulator features a versatile frequency range, adjustable from 1 to 80 pulses per second. This broad range supports various stimulation protocols, including Tetanize, pulsation, ramped surge, and reciprocal modes, allowing practitioners to customize treatments effectively.

Amrex SynchroSonic US/54 Therapeutic ...