Minimally Invasive
Releases compressed nerves or tendons through a small 3–5mm entry point, no sutures or large scars.
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Mississippi Motion 
Service
Carpal Tunnel Syndrome & Trigger Finger
Overview
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.
Non-surgical approach
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:
Indications
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:
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.
We use advanced ultrasound imaging to identify the precise location of nerve or tendon compression.
The treatment area is numbed with a local anesthetic, eliminating the need for sedation or general anesthesia.
The SX-One MicroKnife® is inserted through a small 3–5mm entry point under continuous ultrasound guidance.
The MicroKnife gently releases the compressed nerve or tendon, preserving healthy surrounding tissue.
A simple bandage covers the tiny entry point; no sutures are needed. Most patients leave the office and resume normal activities within days.
Treated conditions
| Region | Condition | 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.
Whether you're struggling with hand numbness, finger locking, or persistent discomfort, Sonex offers a targeted and effective alternative to traditional surgery.
Releases compressed nerves or tendons through a small 3–5mm entry point, no sutures or large scars.
Performed comfortably in-office with local anesthetic, avoiding the risks of general anesthesia.
Most procedures take just 10–15 minutes, allowing patients to return to light activities soon after.
With no surgical trauma and healthy tissue preserved, most patients recover significantly faster than with open surgery.
By addressing the root compression, not just masking symptoms, Sonex promotes sustained comfort and function.
If you're a candidate, Sonex can often be performed within days of your consultation.
Take the next step
Dr. Penton will evaluate your hand or wrist condition with diagnostic ultrasound, discuss your treatment options, and determine if Sonex is the best solution.
Common questions
Yes, most commercial insurers and Medicare cover the Sonex procedure for qualified diagnoses of carpal tunnel syndrome or trigger finger.
Most patients resume daily activities within 3–5 days, experiencing less post-procedure discomfort compared to traditional open surgery.
No. The 3–5mm incision is so small that it typically needs only a bandage, not sutures.
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