Neurosurgery Laser Dics Depression Treatment

Clinic Explanation:
The mechanism of PLDD is use laser energy to evaporate water in the nucleus pulposus.A decrease of intradiscal volume causes a disproportionally large decrease in intradiscal pressure.A reduction of intradiscal pressure causes the herniated disc material to recede toward the center of the disc, thus leading to reduction of nerve root compression and radicular pain.

Related Keywords:
nucleus pulposus,disc decompression,herniated lumbar disc,PLDD

Medical device:
VELAS30B
Mode: CW mode
Operation power: 10-15W

Accessories:
400um fiber, PLDD kits,CT.18g-needle

Operation procedure:
The patients well put on the CT table,make the lumbar spine in a semi-flexed position.
Under the X-Ray guidance,find the puncture point and the pathway,infiltration with 2%lidocaine,a 15 cm,18-gauge needle was inserted 8 cm deer in the midline, into the centre of the disc
Connecting the accessories, then opening the device and setting parameters.Out put power 10w~15w.
Press the foot switch and lase the total energy of 1200j~1500j which displayed on the screen.

Advantage:
Reduce volume and pressure of the pathological disk without damage to other spinal structures
Avoidance of general anesthesia,reduced recovery time, reduced soft-tissue and bone injury
No interference with the muscles, bones or joints, and there is no manipulation of the nerves in the lower back.

Notice:
* Synchronous suction technique through syringe is necessary for the improvement the overall outcome

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