Disc biacuplasty using the TransDiscal™ system was developed by Baylis Medical Company Inc. to treat patients with chronic back pain originating in the spinal disc. Using patented radiofrequency technology, disc biacuplasty aims to target and treat discogenic pain, offering long-lasting relief. The TransDiscal system consists of a radiofrequency generator, and two water-cooled probe electrodes that maximize the treatment area while minimizing excessive heating. Disc biacuplasty (meaning “two needle treatment of the disc”), targets the pain-generating nerves, and may stop them from transmitting pain signals. This treatment could greatly reduce pain, or even eliminate it.

The disc biacuplasty procedure is minimally invasive and takes approximately 30 minutes to treat a painful disc. It is done as an outpatient procedure, does not involve general anesthesia, and may offer a lower risk of complications when compared to more invasive treatments. Disc biacuplasty may even be an alternative to back surgery in some cases.


How does it work?

During the procedure, two TransDiscal probes are inserted into either side of the affected disc through introducer needles. Radiofrequency energy is then passed between the probes which heats the disc tissue between and surrounding the probes. An internal water-cooling system in the probes allows for temperature moderation which ensures the creation of an ideal heating profile. The sensory nerve fibers in the spinal disc that may be responsible for pain are thus deactivated.
Typically during the procedure, the patient will be asked to lie down on their stomach on a procedural table. Equipment may be used to track the patient’s vital signs. The physician will then:Administer a sedative to make the patient more comfortable.Inject local anesthetic to the areas where the introducer needles will be inserted to minimize dicomfort.Insert the introducer needles into the skin and navigate them to the disc using fluoroscopy (an x-ray that can follow the physician’s movements in real-time).Apply physiologically-safe radiofrequency energy between the two probes, aiming to treat the sensory nerve fibers that are causing the pain.After the procedure is finished, the probes are removed, and a sterile bandage is placed on the needle insertion sites. The patient rests for a short period of time under observation while the sedative wears off. The patient may then return home accompanied by a responsible adult.

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