Treatment Options

VAX-D Spinal Decompression Therapy

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VAX-D Spinal Decompression Therapy

VAX-D is a non-invasive spinal decompression therapy for the management of patients with chronic back and leg pain due to lumbar disc and facet joint conditions. It offers a safe, conservative alternative to surgery, injections, or anesthesia, with minimal downtime and strong outcomes for patients who are appropriately selected. Patients who have had back surgery and continue to have pain (Failed Back Syndrome) may also benefit from VAX-D.

Why VAX-D Matters

Chronic low back pain remains one of the most common causes of disability worldwide. Conventional treatments often fail to address disc-related pathology effectively, while surgery carries significant risks. VAX-D offers a middle ground — a scientifically supported, non-surgical option for patients with discogenic pain and sciatica.

How VAX-D Works

Patients are fitted with a ‘pelvic harness’ and then the treatments are administered on the VAX-D Table and console by a trained and certified technician. Each session lasts approximately 45 minutes. VAX-D utilises computer-controlled cycles of decompression and relaxation to generate negative intradiscal pressure within the lumbar discs. This promotes retraction of herniated disc material, improves nutrient exchange, and reduces nerve root compression.

Treatment protocols typically involve 20–25 sessions over 4–6 weeks, tailored to the patient’s diagnosis and response. All patients are treated fully clothed. Patients should refrain from activities that significantly increase intradiscal pressure during the course of treatment (lifting, bending, certain exercises etc). Patients find VAX-D to be a comfortable and relaxing experience. Many experience a relief of their pain and symptoms during the VAX-D sessions, and then a gradual reduction of symptoms as treatment progresses.

How VAX‑D Differs from Traditional Traction (and Why Candidate Selection Matters)

Why did traction lose favour?

Traction applies a constant, generalised pull to the spine. Over decades, systematic reviews have found that traction rarely produces strong, lasting clinical benefits when used alone for low back pain. It cannot selectively unload injured spinal segments and often fails to change intradiscal pressure meaningfully. As a result, traction has been largely deprecated in many modern guidelines for low back pain.

What makes VAX‑D (and spinal decompression) different

VAX‑D is not simply ‘traction by another name.’ It uses computer‑controlled distraction cycles and a pelvic harness system designed to target and unload specific disc levels. Key advantages include:

  • Negative pressure creation: Unlike simple pull, decompression can generate negative intradiscal pressure, which can pull fluid back into a damaged disc, reduce bulges, and promote nutrient exchange.
  • Cyclic tension/relaxation: By alternating load phases with rest phases, the system avoids muscular guarding and improves tissue response, enhancing the unloading effect.
  • Precision targeting: The device can localise force to lumbar segments rather than applying uniform stretch across the spine.
  • Controlled speeds and angles: Adjustments are made for angle of pull, time under tension, and patient comfort, parameters unavailable in fixed traction setups.

What research suggests

In intradiscal manometry studies, decompression devices have been shown to achieve negative disc pressures, a phenomenon that traditional traction cannot reliably reproduce. Case series and observational data report symptom relief, functional improvement, and reduction in leg pain in many patients with disc herniation or radiculopathy when decompression is included. While traction trials often show minimal effect beyond placebo or standard care, decompression protocols show higher success rates (commonly in the 50–70% range) in carefully selected patients.

Treatable Conditions / Indications for VAX-D

  • Low back pain, unilateral or bilateral
  • Sciatica (leg and foot pain/numbness)
  • Post-surgical patients with failed back syndrome

Why doesn’t everyone qualify?

VAX-D is not suitable for all individuals with back pain. Success depends heavily on proper patient selection. Current plain X-rays and/or CT Scans are required to rule out contraindications.

Key considerations include:

  • Discogenic pain or radiculopathy, rather than purely muscular pain, tends to respond better.
  • No major structural contraindications such as severe osteophytes, fusion hardware, fractures, spinal tumours, or high‑grade spondylolisthesis.
  • Symptom duration and responsiveness matter: patients whose symptoms have failed to improve after standard conservative care are better candidates.
  • Patient compliance is crucial. Daily sessions, activity modification, and follow-up care are needed.
  • Adjunct therapy integration is essential. Decompression must be combined with exercise, posture correction, manual therapy, and lifestyle adjustments as guided by their clinician.

Due to these complexities, applying VAX-D indiscriminately is unlikely to yield satisfactory results. Our clinic emphasises careful screening, diagnostic correlation, and monitored progress, all to maximise benefit and reduce wasted treatment.

Frequently Asked Questions

VAX-D is primarily used for lumbar disc herniation, degenerative disc disease, sciatica, posterior facet syndrome, and failed back surgery syndrome.

Unlike traction, VAX-D utilises computer-controlled cycles that generate negative intradiscal pressure, enabling disc rehydration and nerve decompression. Traditional traction applies a constant pull and has not demonstrated the same clinical benefits as other methods.

Most patients require 20–25 sessions over a period of 4–6 weeks. Severe or multi-level cases may need additional sessions, and maintenance sessions may be recommended after initial recovery.

No, VAX-D is typically comfortable, and most patients find it relaxing. Some even experience symptom relief during the early sessions.

Research studies report success rates between 50–70% in carefully selected patients when combined with exercise and rehabilitation.

Patients with spinal tumours, severe osteoporosis, fractures, spinal infections, pregnancy, or fusion hardware are not suitable candidates.

Yes, recent imaging, such as MRI or CT scans, is recommended to confirm the diagnosis and exclude contraindications.

For many patients with disc-related pain, VAX-D can reduce symptoms significantly and delay or even prevent the need for surgery if started early. More than 3,000 patients a day now receive VAX-D therapy in the USA, and studies on its efficacy from all independent sources (hospitals, private clinics, and clinical studies) consistently report similar levels of success in the range of 70%.

Some patients notice changes within the first few sessions, while others may take 2–3 weeks before significant improvements occur.

Coverage varies depending on your insurance provider and the specific plan you have, including health fund coverage. Our clinic team can assist with documentation if required.