
Carpal Tunnel Syndrome & Trigger Finger
Sonex Procedure
At Mississippi Motion, we offer Sonex, an advanced, ultrasound-guided procedure designed to relieve carpal tunnel syndrome and trigger finger when conservative treatments fall short.
Using the SX-One MicroKnife® and real-time ultrasound, Sonex precisely targets and releases compressed nerves or tendons through a tiny 3-5mm entry point, sparing healthy tissue and avoiding invasive surgery.
The result? A quick, in-office procedure with no sutures, no general anesthesia, and a rapid return to daily activities with minimal discomfort.
A Better Path to Hand and Wrist Recovery
Sonex directly addresses the compression causing carpal tunnel syndrome and trigger finger, offering lasting relief beyond temporary symptom management.
Rather than resorting to repetitive treatments or major surgery, Sonex:
- Leverages live ultrasound imaging to locate nerve or tendon compression
- Utilizes the SX-One MicroKnife® via a small 3-5mm entry point
- Frees up affected tissue while preserving surrounding healthy areas
- Supports a swift return to normal function with minimal recovery time
- Performs the procedure in-office using only local anesthesia
Developed by Sonex Health, founded by Mayo Clinic physicians and a business expert, Sonex is an FDA-cleared, ultrasound-guided technique trusted by hand and orthopedic specialists nationwide.
What Can Sonex Treat?
Sonex is designed for patients with carpal tunnel syndrome or trigger finger whose symptoms persist despite rest, splinting, or other non-surgical treatments.
Common uses include:
- Carpal tunnel syndrome causing numbness, tingling, or hand weakness
- Trigger finger leading to painful locking or clicking of the finger
- Chronic hand or wrist discomfort from repetitive strain
- Nerve or tendon compression confirmed by ultrasound or clinical evaluation
- Patients seeking a minimally invasive alternative to traditional surgery
If your symptoms of carpal tunnel syndrome or trigger finger have lasted over 3 months and conservative treatments haven’t provided relief, Sonex may be a practical solution.
Precise. Proven. Minimally Disruptive.
How the Sonex Procedure Works
- Ultrasound Assessment
We use advanced ultrasound imaging to identify the precise location of nerve or tendon compression. - Local Anesthesia
The treatment area is numbed with a local anesthetic, eliminating the need for sedation or general anesthesia - Ultrasound-Guided MicroKnife Insertion
The SX-One MicroKnife® is inserted through a small 3-5mm entry point under continuous ultrasound guidance. - Targeted Tissue Release
The MicroKnife gently releases the compressed nerve or tendon, preserving healthy surrounding tissue. - Immediate Recovery
A simple bandage covers the tiny entry point; no sutures are needed. Most patients leave the office and resume normal activities within days.

Conditions Treated with Sonex
Region | Conditions Treated | Description |
---|---|---|
Wrist | Carpal Tunnel Syndrome | Compression of the median nerve in the wrist, causing numbness, tingling, and hand weakness. Sonex releases the nerve through a tiny incision, enabling faster recovery than traditional surgery. |
Hand/Finger | Trigger Finger (Stenosing Tenosynovitis) | Tendon entrapment causing painful locking or clicking of the finger. Sonex uses ultrasound-guided technology to release the tendon, reducing discomfort with minimal downtime. |
Advanced Precision. Lasting Relief.
Why Patients Choose Sonex
Whether you’re struggling with hand numbness, finger locking, or persistent discomfort, Sonex offers a targeted and effective alternative to traditional surgery.
Minimally Invasive
Releases compressed nerves or tendons through a small 3-5mm entry point, no sutures or large scars.
Local Anesthesia Only (Optional)
Performed comfortably in-office with local anesthetic, avoiding the risks of general anesthesia.
Quick and Efficient
Most procedures take just 10–15 minutes, allowing patients to return to light activities soon after.
Faster Recovery
With no surgical trauma and healthy tissue preserved, most patients recover significantly faster than with open surgery.
Long-Term Relief
By addressing the root compression, not just masking symptoms, Sonex promotes sustained comfort and function.
Streamlined Scheduling
If you’re a candidate, Sonex can often be performed within days of your consultation.
Ready to See If Sonex Is Right for You?
Dr. Penton will evaluate your hand or wrist condition with diagnostic ultrasound, discuss your treatment options, and determine if Sonex is the best solution. Qualified candidates can often have the procedure scheduled within days of their consultation.
FAQs
Is the Sonex procedure covered by insurance?
Yes, most commercial insurers and Medicare cover the Sonex procedure for qualified diagnoses of carpal tunnel syndrome or trigger finger.
How long is the recovery period?
Most patients resume daily activities within 3–5 days, experiencing less post-procedure discomfort compared to traditional open surgery.
Are stitches required?
No. The 3-5mm incision is so small that it typically needs only a bandage, not sutures.