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510(k) Data Aggregation
(282 days)
NOVEL SPINAL SYSTEM
The Novel Spinal System is a pedicle screw system 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 having implants attached to the fumbar and sacral spine (L3 to sacrum) with removal of the implants after the attainment of a solid fusion.
In addition, the Novel Spinal 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 and chronic 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).
Novel Spinal System, internal frxation device for spinal surgery comprise rods, pedicle screws, cross link as well as set screw. Various forms and sizes of these implants are available, so that adaptations can always be made to take into account the pathology and individual patient.
This 510(k) premarket notification for the Novel Spinal System does not describe a clinical study with acceptance criteria, human readers, or AI assistance. Instead, it relies on performance data from mechanical testing and comparison to predicate devices to demonstrate substantial equivalence.
Here's an analysis based on the provided document:
1. Table of Acceptance Criteria and Reported Device Performance
| Acceptance Criteria | Reported Device Performance |
|---|---|
| Mechanical performance per ASTM F1717 | "Performance data per ASTM F1717 were submitted to characterize the subject Novel Spinal System components addressed in this notification." (Implied acceptance by FDA clearance) |
| Substantial equivalence in design, materials, indications, intended use, packaging, and labeling to predicate devices. | "Testing and other comparisons have established that the subject of Novel Spinal System is substantially equivalent in design, materials, indications and intended use, packaging, labeling, and performance to other predicate devices of the type currently marketed in the U.S." |
2. Sample Size Used for the Test Set and Data Provenance
- Sample Size: Not applicable. The "test set" in this context refers to the physical devices subjected to mechanical testing. The document does not specify the number of devices tested.
- Data Provenance: Not applicable for a clinical study. The data provenance relates to the mechanical testing conducted on the device components. The location of the testing is not specified, but it would presumably be in a lab setting.
3. Number of Experts Used to Establish the Ground Truth for the Test Set and Qualifications of Those Experts
Not applicable. "Ground truth" in the context of expert consensus or pathology is relevant for studies involving diagnostic or prognostic assessments, often associated with image analysis or clinical outcomes. This submission is for a mechanical implant, and its performance is assessed via engineering standards, not expert medical opinion for a "ground truth" test set.
4. Adjudication Method for the Test Set
Not applicable. Adjudication methods like "2+1" or "3+1" are used in clinical trials or diagnostic studies to resolve discrepancies among multiple expert readers. This is a mechanical device submission.
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
Not applicable. This device is a spine implant; it does not involve human readers interpreting images, nor does it involve AI assistance.
6. If a Standalone (i.e., algorithm only without human-in-the-loop performance) was done
Not applicable. This device is a mechanical implant, not an algorithm.
7. The Type of Ground Truth Used
- Mechanical Performance: The "ground truth" for the mechanical performance of the device components is established by the ASTM F1717 standard. This standard outlines the methodology for in vitro static and fatigue compression bending testing of spinal implant assemblies. The performance of the Novel Spinal System components is compared against the requirements and established performance characteristics found within this engineering standard, and indirectly, against the performance of the predicate devices which would have also met similar standards.
8. The Sample Size for the Training Set
Not applicable. This is a 510(k) submission for a mechanical device, not a machine learning model that requires a training set.
9. How the Ground Truth for the Training Set Was Established
Not applicable. As this is not an AI/machine learning device, there is no training set or associated ground truth establishment method.
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