Carpal Tunnel Syndrome
Dual Syringe Injector Manual (PDF)
Compression of the median nerve in the carpal tunnel produces symtoms of tingling or numbness in the radial part of the hand, which often disturb sleeping at night. If motor and sensory function is normal, this condition can be treated with a local steroid injection into the carpal tunnel.
Distal technique
The carpal tunnel is most easily reached from a distal direction, where the median nerve has divided into its branches. Inject local anesthesia with the Dual Injector while penetrating the skin, advance the needle into the carpal tunnel during injection. If paresthesia from the nerve occurs, change the placement of the needle to a pain free spot. Inject 0,5 cc of Lederspan®. Inject anesthesia when retracting the needle. Put adhesive tape over the wound.
The carpal tunnel is most easily reached from a distal direction, where the median nerve has divided into its branches. Inject local anesthesia with the Dual Injector while penetrating the skin, advance the needle into the carpal tunnel during injection. If paresthesia from the nerve occurs, change the placement of the needle to a pain free spot. Inject 0,5 cc of Lederspan®. Inject anesthesia when retracting the needle. Put adhesive tape over the wound.
Proximal technique
The Carpal Tunnel may also be reached from a proximal direction. The injection spot should be between the tendons of Palmaris Longus and Flexor Carpi Radialis in the flexion crease of the wrist. In this region the Median Nerve has a very superficial position and is more exposed to injury.
The Carpal Tunnel may also be reached from a proximal direction. The injection spot should be between the tendons of Palmaris Longus and Flexor Carpi Radialis in the flexion crease of the wrist. In this region the Median Nerve has a very superficial position and is more exposed to injury.
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