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The Reliance VBS System is intended for use in the thoracolumbar spine (T1-L5) to replace a portion of a collapsed, damaged, or unstable vertebral body due to tumor or trauma (i.e., fracture) in order to achieve anterior decompression of the spinal cord and neural tissues, and to restore the height of a collapsed vertebral body. The Reliance VBS is designed to restore biomechanical integrity of the anterior, middle, and posterior spinal column, even in the absence of fusion for a prolonged period of time.

The Reliance VBS System is to be used with a legally cleared anterior or posterior supplemental fixation device. Additionally, the Reliance VBS is intended to be used with bone graft.

The Reliance VBS System is comprised of implant and instrument components. The implant component, the Reliance VBS device, is a spacer, which replaces a portion of the vertebral bodies in the anterior column of the thoracic and lumbar spine. The spacer may be made of PEEK with Tantalum markers, or made of Titanium alloy.

The provided text is a 510(k) Summary for a medical device called the "Reliance VBS System." This type of document is for regulatory clearance and focuses on demonstrating substantial equivalence to previously marketed devices, often through comparison of design, materials, and intended use.

*Crucially, this document does not describe acceptance criteria, performance metrics, or any study results typical of an AI/ML or diagnostic device.

The Reliance VBS System is a spinal implant (a spacer to replace a portion of a vertebral body). Its "performance" is primarily assessed through its design, materials, and mechanical properties, not through a clinical study that would have a "test set," "ground truth," or "expert readers" in the way one might evaluate an AI-powered diagnostic tool.

Therefore, I cannot provide the requested information in the table or the detailed points about studies, sample sizes, and ground truth establishment, as these concepts are not applicable to the information contained in this 510(k) summary for a physical orthopedic implant.

The document states:

• Device Description: The Reliance VBS device is a spacer, which replaces a portion of the vertebral bodies in the anterior column of the thoracic and lumbar spine. It may be made of PEEK with Tantalum markers, or made of Titanium alloy.
• Intended Use/Indications for Use: For use in the thoracolumbar spine (T1-L5) to replace a portion of a collapsed, damaged, or unstable vertebral body due to tumor or trauma to achieve anterior decompression, restore height, and biomechanical integrity. It is to be used with a cleared supplemental fixation device and bone graft.
• Substantial Equivalence: The device is stated to be substantially equivalent to several legally marketed predicate devices in terms of material, intended use, levels of attachment, size range, and use with supplemental fixation.

To reiterate, this is a hardware device approval, not a software or AI approval. Therefore, the concepts requested in the prompt (acceptance criteria for a study, device performance results, sample sizes for test/training sets, ground truth, expert adjudication, MRMC comparative effectiveness studies, and standalone algorithm performance) are not present in this type of regulatory submission and are not relevant to the approval of this spinal implant.

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The Sustain Radiolucent Spacer is a vertebral body replacement device intended for use in the thoracolumbar spine (T1-L5) to replace a collapsed, damaged, or unstable vertebral body due to tumor or trauma (i.e., fracture). The Sustain Radiolucent Spacer is intended to be used with supplemental spinal fixation systems that have been labeled for use in the thoracic and/or lumbar spine (i.e., posterior pedicle screw and rod systems, anterior plate systems, and anterior screw and rod systems). The interior of the spacer can be packed with bone grafting material.

The Sustain Radiolucent Spacer is designed to provide anterior spinal column support even in the absence of fusion for a prolonged period.

The Sustain Radiolucent Spacer is a vertebral body replacement device used to provide structural stability in skeletally mature individuals following corpectomy or vertebrectomy. The system is comprised of spacers of various fixed heights and footprints to fit the anatomical needs of a wide variety of patients. Each spacer has an axial hole to allow grafting material to be packed inside of the spacer. Protrusions on the superior and inferior surfaces of each device will grip the endplates of the adjacent vertebrae to resist expulsion.

The Sustain Radiolucent Spacer devices are made from radiolucent polymer and titanium alloy as specified in ASTM F2026 and F136.

The provided 510(k) summary for the Globus Medical Inc. Sustain Radiolucent Spacer details a medical device, not a software algorithm or AI-powered system, therefore, the requested information regarding acceptance criteria and a study proving device performance in the context of AI/ML is not applicable.

The document indicates that the device's substantial equivalence is based on its similarity to a predicate device (Globus Sustain Spacer K031302) and highlights mechanical testing according to "Guidance for Industry and FDA Staff, Guidance for Spinal System 510(k)s", September 27, 2000. This implies that the 'acceptance criteria' were met through established biomechanical benchmarks for spinal implants, rather than performance metrics related to diagnostic accuracy, sensitivity, or specificity that would be relevant for AI studies.

Therefore, I cannot populate the table or answer the specific questions about sample sizes, expert ground truth, adjudication methods, MRMC studies, standalone performance, or training set details as these pertain to the evaluation of AI/ML models.

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