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510(k) Data Aggregation
(129 days)
The SpineFrontier® PedFuse® Pedicle Screw System is intended to provide immobilization and stabilization of spinal segments in skeletally mature patients as an adjunct to fusion in the treatment of the following acute instabilities or deformities of the thoracic, lumbar, and sacral spine: degenerative spondylolisthesis with objective evidence of neurological impairment, fracture, dislocation, scoliosis, kyphosis, spinal tumor, and failed previous fusion (Pseudarthrosis).
In addition, the SpineFrontier® PedFuse® Pedicle Screw System is indicated for the treatment of severe spondylolisthesis (Grade 3 and 4) of the L5-S1 vertebra in skeletally mature patients receiving fusion by autogenous bone graft, with the device fixed or attached to the lumbar and sacral spine.
When used in a percutaneous approach with MIS instrumentation, the SpineFrontier® PedFuse® Pedicle Screw System is intended to provide immobilization and stabilization of spinal segments in skeletally mature patients as an adjunct to fusion in the treatment of the following acute instabilities or deformities of the thoracic, lumbar, and sacral spine: degenerative spondylolisthesis with objective evidence of neurological impairment, fracture, dislocation, scoliosis, kyphosis, spinal tumor, failed previous fusion (Pseudarthrosis) and severe spondylolisthesis (Grade 3 and 4) of the L5-S1 vertebra in skeletally mature patients receiving fusion by autogenous bone graft, with the device fixed or attached to the lumbar and sacral spine.
The SpineFrontier® PedFuse® Pedicle Screw System consists of longitudinal rods, polyaxial screws, tulips, transverse connectors, and instrumentation to facilitate installation of this system.
The PedFuse® Pedicle Screw is offered in multiple screw types, with multiple diameters and lengths to accommodate individual patient needs. PedFuse® Pedicle Screw assemblies consist of the screw, a tulip, and a washer that secures the tulip to the screw and also serves as the saddle for the longitudinal rod. The tulip and screw designs allow the screw to have a polyaxial rotation relative to the tulip. A locking cap is placed on top of the pedicle screw assembly to secure the position of the implant and to retain the longitudinal rod.
The PedFuse® Pedicle Screw assembly serves as the central fixation device to which various rods and cross connectors are secured to provide desired fixation.
Longitudinal rods are provided in two configurations, straight and lordotic, have a fixed diameter (5.5mm), and vary by length.
Cross connector assemblies are provided in multiple configurations, varying by length. Cross connectors are used to provide additional fixation support.
For percutaneous, minimally invasive surgical (MIS) procedure, extended Respond tulips and bulleted rods are introduced. Instruments for the MIS technique are also used.
The SpineFrontier® PedFuse® Pedicle Screw System components are fabricated from medical grade titanium conforming to ASTM F-136 specifications.
The provided text describes the SpineFrontier® PedFuse® Pedicle Screw System, a medical device for spinal fixation. It details the device's technical characteristics, intended use, and substantial equivalence to predicate devices, but it does NOT include information typically associated with acceptance criteria or studies proving performance for an AI/software device. This document is a 510(k) summary for a physical medical implant (pedicle screw system), not an AI algorithm.
Therefore, many of the requested categories for information (e.g., sample size for test/training sets, ground truth establishment, expert qualifications, MRMC studies, standalone algorithm performance) are not applicable or cannot be extracted from this document, as they relate to the validation of AI/software rather than a mechanical implant.
However, I can extract the relevant information from the provided text for a physical medical device.
1. A table of acceptance criteria and the reported device performance
| Acceptance Criteria (from FDA Guidance and Recognized Test Methods) | Reported Device Performance |
|---|---|
| Mechanical Performance: Adherence to established standards for spinal implant constructs in a vertebrectomy model. | The SpineFrontier® PedFuse® Pedicle Screw System was evaluated in accordance with FDA Document, Guidance for Industry and FDA Staff – Spinal System 510(k)s, May 3, 2004, and has been found to meet criteria defined in the guidance document. Mechanical testing includes performance assessments per ASTM Standard F1717, "Standard Test Methods for Spinal Implant Constructs in a Vertebrectomy Model". |
| Material Compatibility: Use of medical-grade materials. | Components are fabricated from medical grade titanium conforming to ASTM F-136 specifications. |
| Substantial Equivalence: Comparison of indications for use, function, operating principles, and materials to predicate devices. | The device was shown to be substantially equivalent to predicate devices (K092420, K950099, K992739, K100605, K061591) in terms of indications for use, function, materials, and performance (mechanical testing). |
2. Sample size used for the test set and the data provenance (e.g. country of origin of the data, retrospective or prospective)
This information is not applicable as the device is a physical implant and its performance was evaluated through mechanical testing, not a clinical study involving a "test set" of patient data in the context of an AI/software device. The document states "Clinical data was not required for this device."
3. Number of experts used to establish the ground truth for the test set and the qualifications of those experts (e.g. radiologist with 10 years of experience)
This information is not applicable. Ground truth establishment by experts is relevant for clinical data interpretation or labeling in AI/software validation, not for the mechanical testing of a physical medical implant.
4. Adjudication method (e.g. 2+1, 3+1, none) for the test set
This information is not applicable as no clinical "test set" requiring adjudication methods was used.
5. If a multi-reader multi-case (MRMC) comparative effectiveness study was done, If so, what was the effect size of how much human readers improve with AI vs without AI assistance
This information is not applicable as the device is a physical implant, not an AI-assisted diagnostic or interpretive tool. No MRMC study was conducted.
6. If a standalone (i.e. algorithm only without human-in-the loop performance) was done
This information is not applicable as the device is a physical implant, not an AI algorithm.
7. The type of ground truth used (expert consensus, pathology, outcomes data, etc)
For this physical device, the "ground truth" for performance is defined by the established mechanical testing standards (ASTM F1717) and the material specifications (ASTM F-136). The device's substantial equivalence was also based on its alignment with the characteristics of legally marketed predicate devices.
8. The sample size for the training set
This information is not applicable as the device is a physical implant and does not involve AI/machine learning requiring a training set.
9. How the ground truth for the training set was established
This information is not applicable as the device is a physical implant and does not involve AI/machine learning requiring a training set or its associated ground truth.
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