Minimally Invasive Laminectomy
What is a minimally invasive laminectomy?
A minimally invasive lumbar laminectomy, sometimes referred to as minimally invasive decompression, is a surgical procedure designed to ease pressure on the spinal nerves in the lower back.
This approach is frequently used to address symptoms related to spinal stenosis or disc herniations. Its main advantages include limiting tissue disruption, lowering postoperative discomfort, promoting faster recovery, and providing results comparable to traditional open surgery.
Using this advanced technique, Dr. B makes a small incision—about the size of a nickel—to carry out the procedure. By utilizing specialized tubular instruments that gently separate rather than cut through musculature, surrounding tissue is preserved and this helps shorten the healing process compared to a conventional laminectomy.
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A good candidate for a minimally invasive lumbar laminectomy is typically someone who:
Has nerve compression in the lower back (lumbar spine) that causes symptoms such as leg pain (sciatica), numbness, tingling, or weakness.
Has not improved with conservative treatments like physical therapy, medications, or injections.
Has conditions such as lumbar spinal stenosis, herniated discs, or arthritis-related narrowing of the spinal canal.
Is in generally good health and able to tolerate anesthesia and surgery.
Seeks quicker recovery and less tissue damage compared to traditional open surgery.
It may not be appropriate for patients with extensive spinal instability, severe deformity, multiple prior back surgeries, or other complex spinal conditions where a more open approach is necessary.
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During the procedure, Dr. B makes a tiny incision in the back, about the size of a nickel, at the site of nerve compression. A specialized instrument called a tubular retractor is then inserted. This slender, tube-like instrument creates a pathway by carefully separating the muscles and soft tissues, giving access to the area of the spine where the nerves are compressed. Through this tunnel, with the aid of a surgical microscope, Dr. B uses delicate surgical tools to relieve pressure on the affected nerves.
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In contrast to traditional open surgery, which requires a larger incision and cutting through muscle, a minimally invasive lumbar laminectomy is performed through smaller openings using advanced surgical tools. This approach is designed to limit tissue disruption, lessen pain after surgery, shorten recovery, and deliver results comparable to standard open techniques.
Key benefits include a smaller incision, less injury to muscles and surrounding tissues, quicker return to activity, minimal blood loss, and reduced postoperative discomfort—often allowing patients to avoid the need for narcotic pain medications.
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Please refer to our Patient Education Booklet for detailed information.
Disclaimer: All materials presented on this website are the opinions of Dr. Patawut “Pat” Bovonratwet, or Dr. B, and any guest writers, and should not be construed as medical advice. Each patient’s specific condition is different, and a comprehensive medical assessment requires a full medical history, physical exam, and review of diagnostic imaging. If you would like to seek the opinion of Dr. B for your specific case, we recommend contacting our office to make an appointment.