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The DRX9000-SL True Non-Surgical Spinal Decompression System provides a primary treatment modality for the management of pain and disability for patients suffering with incapacitating low back pain and sciatica. It is designed to apply spinal decompressive forces to compressive and degenerative injuries of the spine. It has been found to provide relief of pain and symptoms associated with herniated discs, bulging or protruding intervertebral discs, degenerative disc disease, posterior facet syndrome and sciatica.

The DRX9000-SL True Non-Surgical Spinal Decompression System provides accurately controlled tensions designed to relax and confuse paraspinal muscles and allow distractive forces to decompress intervertebral spinal disc space. The user interface provided by the treatment computer constantly updates a servo-amplifier controlling a servo-motor to immediately and safely apply forces as determined by qualified healthcare personnel. Load-cell feedback is utilized to further verify and adjust tensile forces, allowing for variations in patient posture and outside forces such that continuous and smooth tension is experienced by the patient.

An upper chest harness and a lower pelvic harness are used to help distribute the applied forces evenly. Once in place, the patient is slowly reclined to a horizontal position. Following the physician's orders, the therapist localizes the pain, makes any adjustments and directs the treatment to the proper area. The DRX9000-SL True Non-Surgical Spinal Decompression System helps to mobilize the troubled disc segment without introducing further damage to the spine.

The patient safety switch is held by the patient who at any time and for any reason may quickly pause any tensile forces. The patient safety switch is monitored and executed by two redundant systems, which will gradually reduce the tension to zero to stop the treatment and after a 5 second delay directly disable the treatment motor.

The emergency stop button is accessible to the operator who at any time and for any reason may quickly pause any tensile forces. The emergency stop button is monitored and executed by two redundant systems, which will gradually reduce the tension to zero to stop the treatment and after a 5 second delay directly disable the treatment motor.

Integral to effective spinal decompression and included in the device are continuous load-cell tensile feedback into the treatment computer, dedicated and matched servo-amplifier and servo-motor, smoothly modulated cyclic tension application (high and low tension plateaus transitioned into via non-linear tension change), two segment (upper and lower) textile patient harness, patient safety switch, and free-floating lower body mattress. The free-floating lower body mattress allows the interdiscal segments of the lumbar spine to decompress at their own rate. As tension is cycled, the lower body can extend independent of the upper body which is held in place via an upper body textile patient harness. The treatment bed and textile harness allow the patient to relax completely and require no conscious exertion on the part of the patient. Total patient relaxation encourages paraspinal muscle relaxation from both a physical and psychological standpoint and is a key to spinal decompression.

The provided FDA 510(k) clearance letter and summary for the DRX9000-SL True Non-Surgical Spinal Decompression System do not contain information related to acceptance criteria for an AI device, nor any study that proves an AI device meets such criteria.

The submission is for a medical device that applies spinal decompressive forces, and it primarily focuses on demonstrating substantial equivalence to a predicate device (DRX9000 True Non-Surgical Spinal Decompression System) through non-clinical testing of electrical safety, EMC, usability, risk management, biocompatibility, and software.

Therefore, I cannot provide the requested information, as the input document does not pertain to an AI device or a study with typical AI-related acceptance criteria.

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