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Revolutionize Sensory Neuropathy Testing

STX4 is the first point-of-care, battery-operated diagnostic device enabling doctors to objectively detect and track Diabetic Peripheral Neuropathy (DPN).

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How Does It Work?

All-in-One Testing

STX4 replaces four traditional tools with one compact unit: it performs the Graduated Monofilament Test, Vibration Perception, and Hot/Cold Sensation testing, all at the point of care. No separate equipment, no delays, just fast, reliable data in seconds.

HIPAA-Compliant Reports

Each test produces a quantitative, HIPAA-compliant report that offers a true baseline for tracking the progression of Sensory Neuropathy. Cloud-based storage lets you securely retrieve and monitor results across multiple visits and locations.

Portable & Easy to Use

STX4 is lightweight, handheld, and battery-operated—no cords, no complicated setup. It’s built for ease of use by medical assistants and clinicians alike, making neuropathy screening fast, accurate, and consistent.

Our users are Happy

“We have done the clinical user study and clinical validation of the STX4 device. The device has helped to objectively diagnose over 1,000 patients in our clinical to date and is very helpful in assessing the neuropathic condition in the foot.”

G. Arun Maiya, MD

“I’ve been using the STX4 device for the last 15 months for screening patients with diabetic peripheral neuropathy. It is a hand-held device and makes objective diagnosis uncomplicated. We objectively diagnosed over 650 patients to date.

Amrit Nanaiah, MD, Diabetic Foot Specialist

“It has been a complete transformation in handling the determination of diabetic neuropathy once we started with STX4. It is a 4-in-1 solution for all tests required. The fact that it is portable makes it easy to use in our Dept. of Podiatry.”

Pavan Belehalli, DPM, Podiatric Surgeon

we’re here to answer all your questions

Yes. STX4 is specifically designed to be medical-assistant friendly, with simple app-guided instructions, fast setup, and intuitive operation. No advanced training is required, making it ideal for busy clinics.

Absolutely. STX4 follows established medical protocols and is FDA-approved. All test data is securely stored in the cloud and can be accessed anytime, ensuring data accuracy and compliance with HIPAA standards.

STX4 performs four validated tests:

  • Graduated Monofilament Test (Protective Sensation)

  • Vibration Perception Test

  • Hot and Cold Perception Test

  • Instant Patient Report Generation
    These tests help clinicians assess sensory loss and progression of neuropathy quickly and objectively.

STX4 is ideal for patients with diabetes, pre-diabetes, or symptoms of neuropathy such as numbness, tingling, or burning in the feet. It’s also a valuable screening tool for high-risk populations during routine podiatric or primary care visits.

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15932 Midway Rd, Addison, TX 75001

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