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(1) Femur Reconstruction Interlocking Nail System
The Femur Reconstruction Interlocking Nail System is intended to stabilize femoral shaft fractures, subtrochanteric fractures, ipsilateral neck/shaft fractures, impending pathologic fractures, non-unions and malunions.

(2) Femur Retrograde Interlocking Nail System
The Femur Retrograde Interlocking Nail System is indicated for simple long bone fractures: severely comminuted, spiral, large oblique and segmental fractures; nonunions; polytrauma and multiple fractures; prophylactic nailing of impending pathologic fractures; reconstruction, following tumor resection and grating; supracondylar fractures; bone lengthening and shortening. Interlocking intramedullary nails are indicated for fixation of fractures that occur in and between the proximal and distal third of long bones being treated.

(3) Humerus Interlocking Nail System
The Humerus Interlocking Nail System indicated for fractures of the proximal humerus, including 2-part surgical neck fractures, 3-part fractures, and 4-part fractures with diaphyseal extension, diaphyseal extension, diaphyseal fractures of the humeral shaft, and impending pathologic humeral fractures.

(4) Tibia Interlocking Nail System
The Tibia Interlocking Nail System is intended to stabilize fractures of the proximal and distal thatt; open and closed tibial shaft fractures; certain pre- and post-isthmic fractures; and tibial malunions and non- unions.

(5) Compression Hip Nail System
The Compression Hip Nail System is intended to treat stable proximal femoral fracture including Pertrochanteric fractures, Intertrochanteric fractures and High sub trochanteric fractures and combination of these fractures.

This intramedullary fixation rod is used for stabilization of shaft fracture in humeral bone, femoral bone and tibial bone. It is implanted into medullary cavity inside of the long bone (humeral bone, femoral bone and tibial bone) with a fracture and the fractured long bone (humeral bone, femoral bone and tibial bone) is fixed to the nail by using the locking screw at the upper and lower parts of the fractured part.
The nailing system consists of the Femur Reconstruction Interlock Nail System, Femur Retrograde Interlocking Nail System, Humerus Interlocking Nail System, Tibia Interlocking Nail System, and Compression Hip Nailing System.

The provided document is a 510(k) premarket notification FDA clearance letter for an intramedullary fixation rod system. It does not contain any information about acceptance criteria, device performance, study design, or ground truth establishment.

Therefore, I cannot fulfill your request to describe the acceptance criteria and the study that proves the device meets them based solely on the provided text. The document is concerned with demonstrating substantial equivalence to a predicate device, primarily through non-clinical testing and comparison of technical characteristics, rather than reporting on a clinical or performance study with defined acceptance criteria.

The relevant sections explicitly state:

• "Clinical Test Conclusion: Clinical testing was not required for this submission."
• "Non-clinical Test Conclusion: The following properties were tested based on the referenced standards. All the test results support substantial equivalence to the predicate devices." (lists biological and mechanical standards).

To answer your questions, I would need a different document, such as a summary of safety and effectiveness data or a clinical study report.

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The TopFix System is indicated for the fixation of fractures and ostectomies of the distal femur and proximal tibia related to the treatment of bone and joint deformities and / or malalignment caused by injury or disease (e.g., osteoarthritis).

The Trifix Large System is indicated for the fixation of fractures (including periprosthetic), non-unions of the femur and tibia in adult patients with normal or osteopenic bone.

The Newnecks System is indicated for the fixation of fractures of the femoral trochanteric region (e.g., simple intertrochanteric, reverse oblique trochanteric, complex multi-fragmentary, and fractures with associated medial cortex instability).

The TDM Large Bone Plate and Screw System contains the TopFix System, Trifix Large System, and the Newnecks System, which comprise a family of flat and contoured plates and screws. The plates are constructed from Titanium alloy (Ti-6AL-4V) and come in a variety of configurations. The plates are intended to be used with solid locking and non-locking screws and non-locking low profile screws. The screws are constructed from Titanium alloy (Ti-6AL-4V) and are available as threaded locking screws, cortical or cancellous, cannulated screws from 4.0mm to 6.5mm in diameter and range from 12mm to 100mm in length.

This FDA 510(k) premarket notification summary describes a orthopedic device, not an AI/ML device, therefore the requested information for acceptance criteria and study details for an AI/ML device are not applicable.

The document discusses the substantial equivalence of the TDM Large Bone Plate and Screw System to previously cleared predicate devices. The "acceptance criteria" discussed are primarily related to mechanical performance testing against established ASTM standards and biocompatibility.

Here's a breakdown based on the provided text, noting where the requested AI/ML specific information is not relevant:

1. Table of Acceptance Criteria and Reported Device Performance

2. Sample size used for the test set and the data provenance

• Test Set: Not explicitly stated as a "test set" in the context of an AI/ML device. The testing involved bench testing of the physical device components (plates and screws).
• Sample Size:
  • For mechanical testing, the number of samples tested per configuration is not detailed in this summary but would be specified in the full test reports.
  • Biocompatibility likely involved material testing and review, not a "sample size" in the traditional sense of patient data.
• Data Provenance: Not applicable as this is a physical device, not a data-driven AI/ML model. The "data" comes from engineered bench tests.

3. Number of experts used to establish the ground truth for the test set and the qualifications of those experts

• Ground Truth Establishment: Not applicable. The "ground truth" for mechanical performance is defined by engineering standards (ASTM F382-17, ASTM F543-17) and FDA guidance documents related to orthopedic fracture fixation plates/screws. There are no clinical experts establishing "ground truth" for the mechanical properties of a bone plate.

4. Adjudication method for the test set

• Adjudication Method: Not applicable. Bench tests are assessed against objective, predefined engineering performance criteria, not requiring expert adjudication.

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

• MRMC Study: No. This is a physical orthopedic implant, not an AI/ML device.

6. If a standalone (i.e. algorithm only without human-in-the-loop performance) was done

• Standalone Performance: Not applicable. This is a physical orthopedic implant, not an AI/ML device.

7. The type of ground truth used

• Ground Truth: Engineering specifications, material standards (ASTM F136, ASTM F67), and mechanical testing standards (ASTM F382-17, ASTM F543-17), along with relevant FDA guidance documents ("Orthopedic Fracture Fixation Plates – Performance Criteria for Safety and Performance Based Pathway" and "Orthopedic Non-Spinal Metallic Bone Screws and Washers -Performance Criteria for Safety and Performance Based Pathway").

8. The sample size for the training set

• Training Set: Not applicable. This is a physical orthopedic implant.

9. How the ground truth for the training set was established

• Ground Truth for Training Set: Not applicable. This is a physical orthopedic implant.

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