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510(k) Data Aggregation

    K Number
    K173960
    Date Cleared
    2018-09-21

    (267 days)

    Product Code
    Regulation Number
    888.3353
    Reference & Predicate Devices
    Why did this record match?
    Applicant Name (Manufacturer) :

    DePuy France S.A.S.

    AI/MLSaMDIVD (In Vitro Diagnostic)TherapeuticDiagnosticis PCCP AuthorizedThirdpartyExpeditedreview
    Intended Use

    Total hip replacement or hip arthroplasty is indicated in the following conditions:

    1. A severely painful and/or disabled joint from osteoarthritis, traumatoid arthritis, or congenital hip dysplasia.
    2. Avascular necrosis of the femoral head.
    3. Acute traumatic fracture of the femoral head or neck.
    4. Failed previous hip surgery including joint reconstruction, arthrodesis, hemi-arthroplasty, surface replacement arthroplasty, or total hip replacement.
    5. Certain cases of ankylosis.

    Partial hip replacement or hip hemi-arthroplasty is indicated in the following conditions:

    1. Acute fracture of the femoral head or neck that cannot be appropriately reduced and treated with internal fixation.
    2. Fracture dislocation of the hip that cannot be appropriately reduced and treated with internal fixation.
    3. Avascular necrosis of the femoral head.
    4. Non-union of femoral neck fractures.
    5. Certain high subcapital and femoral neck fractures in the elderly.
    6. Degenerative arthritis involving only the femoral head in which the acetabulum does not require replacement.
    7. Pathology involving only the femoral head/neck and/or proximal femur that can be adequately treated by hip hemi-arthroplasty.

    HA coated stems of the Corail Hip System are indicated for cementless use only.

    Device Description

    The DePuy Corail AMT hip stems are manufactured from forged titanium alloy (Ti6Al4V) and plasma-sprayed with a hydroxyapatite (HA) coating for bone fixation. The stem consists of a wide range of stem neck designs and sizes allowing an accurate anatomical match for each patient. Corail AMT stems are available with or without a collar, with various neck angles, and with various neck offsets. The stems are compatible with both unipolar and bipolar heads intended for hip hemi-arthroplasty and with modular femoral heads intended for total hip arthroplasty.

    AI/ML Overview

    The document describes a 510(k) premarket notification for the DePuy Corail AMT Hip Prosthesis, which is a medical device. The submission aims to demonstrate substantial equivalence to a previously cleared predicate device (DePuy Corail AMT Hip Prosthesis K123991) and includes additional sizes, neck angles, and neck offsets as a line extension.

    Here's a breakdown of the requested information based on the provided text:

    1. A table of acceptance criteria and the reported device performance

    The document does not explicitly state "acceptance criteria" in a tabular format for the device's overall performance. Instead, it lists non-clinical tests conducted for determination of substantial equivalence, implying that compliance with these test standards is the performance criteria. The reported performance is that the device passed these tests, indicating it met the requirements of each standard.

    Acceptance Criteria (Test Standard)Reported Device Performance
    Neck fatigue testing in accordance with ISO 7206-6:1992Passed / Compliant
    Distal fatigue testing in accordance with ISO 7206-4:2010Passed / Compliant
    Validation of taper dimensionPassed / Compliant
    Validation of taper to head and neck to head dimensionPassed / Compliant
    Range of motion in accordance with ISO 21535:2007Passed / Compliant
    Pyrogenicity testing using the Bacterial Endotoxin Testing (BET) method as specified in ANSI/AAMI ST72:2011Passed / Compliant
    Hydroxyapatite coating characterization, as specified by FDA Guidance 510(k) Information Needed for Hydroxyapatite Coated Orthopedic Implants, in accordance with ASTM F1160-05:2011, ASTM F1044-05:2011, ASTM F1147-05:2011, ASTM F1926:2010 and ISO 13779-3:2008Passed / Compliant

    2. Sample sized used for the test set and the data provenance (e.g. country of origin of the data, retrospective or prospective)

    The document refers to non-clinical (laboratory) testing, not clinical studies with patients. Therefore, the concept of a "test set" in the context of patient data, data provenance, or retrospective/prospective data does not apply here. The sample sizes for the mechanical and material tests (e.g., number of hip stems tested for fatigue) are not specified in the provided summary.

    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 question pertains to clinical studies and the establishment of ground truth by human experts. Since no clinical tests were conducted for substantial equivalence, this information is not applicable and thus not provided in the document.

    4. Adjudication method (e.g. 2+1, 3+1, none) for the test set

    As no clinical tests with patient data were performed, there was no "test set" requiring expert adjudication. This information is not applicable.

    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

    The device described is a hip prosthesis, a physical implant. It is not an AI/software device that would involve human readers or MRMC studies to assess improvement with AI assistance. Therefore, this information is not applicable.

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

    This refers to the performance of an algorithm without human intervention, which is relevant for AI/software devices. The DePuy Corail AMT Hip Prosthesis is a physical medical device, not an algorithm. Therefore, this information is not applicable.

    7. The type of ground truth used (expert concensus, pathology, outcomes data, etc)

    For the non-clinical tests conducted, the "ground truth" would be the specifications and requirements of the respective ISO, ASTM, and ANSI/AAMI standards. The device's components (neck, distal region, taper, coating) were tested against the performance parameters defined by these engineering and material standards.

    8. The sample size for the training set

    This question is typically relevant for machine learning or AI models, where a "training set" of data is used to develop the algorithm. Since the device is a physical hip prosthesis and its substantial equivalence was determined through non-clinical (mechanical and material) testing, there is no "training set" in this context.

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

    As there is no training set for this type of device, this information is not applicable.

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    K Number
    K123991
    Date Cleared
    2013-09-16

    (264 days)

    Product Code
    Regulation Number
    888.3390
    Reference & Predicate Devices
    Why did this record match?
    Applicant Name (Manufacturer) :

    DEPUY FRANCE S.A.S.

    AI/MLSaMDIVD (In Vitro Diagnostic)TherapeuticDiagnosticis PCCP AuthorizedThirdpartyExpeditedreview
    Intended Use

    Total Hip Arthroplasty and Hemi Hip Arthroplasty

    Total hip replacement or hip arthroplasty is indicated in the following conditions:

    1. A severely painful and/or disabled joint from osteoarthritis, traumatic arthritis, rheumatoid arthritis, or congenital hip dysplasia.
    2. Avascular necrosis of the femoral head.
    3. Acute traumatic fracture of the femoral head or neck.
    4. Failed previous hip surgery including joint reconstruction, internal fixation, arthrodesis, hemi-arthroplasty, surface replacement arthroplasty, or total hip replacement.
    5. Certain cases of ankylosis.

    Partial hip replacement or hip hemi-arthroplasty is indicated in the following conditions:

    1. Acute fracture of the femoral head or neck that cannot be appropriately reduced and treated with internal fixation.
    2. Fracture dislocation of the hip that cannot be appropriately reduced and treated with internal fixation.
    3. Avascular necrosis of the femoral head.
    4. Non-union of femoral neck fractures.
    5. Certain high subcapital and femoral neck fractures in the elderly.
    6. Degenerative arthritis involving only the femoral head in which the acetabulum does not require replacement.
    7. Pathology involving only the femoral head/neck and/or proximal femur that can be adequately treated by hip hemi-arthroplasty.

    HA coated stems of the Corail Hip System are indicated for cementless use only.

    Device Description

    The Corail AMT Hip is a tapered stem available both collarless and collared. The stems are manufactured from titanium alloy (Ti6Al4V) and plasma-sprayed with a biocompatible hydroxyapatite (HA) coating for bone fixation. The Corail AMT stems feature a 12/14 modular taper that accepts 12/14 heads with a wide range of diameters. The compatible components for the hip hemi-arthroplasty application are bipolar heads cleared via 510(k) K812672 and unipolar heads cleared via 510(k) K903084. Corail AMT stems are indicated for cementless use only.

    AI/ML Overview

    The provided document describes the Corail AMTTM Hip Prosthesis, an orthopaedic device. The submission is a 510(k) to expand the cleared indication for use to include hip hemi-arthroplasty surgical application.

    Here's an analysis of the acceptance criteria and the study that proves the device meets them:

    1. A table of acceptance criteria and the reported device performance

    Acceptance Criteria CategorySpecific Test/CharacteristicAcceptance CriteriaReported Device Performance
    MaterialCompositionTi-6Al-4VTi-6Al-4V (Same as predicate)
    Stem SurfaceCoating for bone fixationPlasma-sprayed with biocompatible hydroxyapatite (HA) coatingPlasma-sprayed with biocompatible hydroxyapatite (HA) coating (Same as predicate)
    Compatible Femoral HeadsTypes of heads acceptedBipolar and UnipolarBipolar and Unipolar (Same as predicate)
    Taper DesignModular Taper12/14 taper12/14 taper (Same as predicate)
    PlacementMethod of implantationPress Fit: CementlessPress Fit: Cementless (Same as predicate)
    Performance DataValidation of taper/heads dimensional compatibilityImplied to perform acceptably for mechanical matingPerformed as "Validation of the taper/heads dimensional compatibility with Corail AMT Stems"
    Performance DataFatigue ResistanceImplied to withstand anticipated physiological loads and cyclesPerformed as "Fatigue Resistance tests for the Corail AMT Stems"
    Clinical Equivalence (for expanded indication)Safety and effectiveness for hip hemi-arthroplastySubstantial equivalence to predicate devices and supported by existing clinical literatureSupported by a systematic literature review of Corail Hip System for femoral neck fractures, demonstrating no fundamental change in scientific technology and consistency with established safety and effectiveness.

    2. Sample size used for the test set and the data provenance (e.g. country of origin of the data, retrospective or prospective)

    • Non-clinical (Performance) Tests: The document does not specify the exact sample sizes (number of devices tested) for the "Validation of the taper/heads dimensional compatibility" or the "Fatigue Resistance tests." It only states that these tests were performed. Given the nature of these tests, they would typically involve a defined number of test articles to meet industry standards (e.g., ISO or ASTM standards for implant testing).
    • Clinical Evaluation: No new clinical tests were conducted. The clinical evaluation utilized a "systematic literature review of Corail Hip System for the treatment of femoral neck fractures." The provenance of the data in this systematic review would depend on the included studies, but the document does not provide details on country of origin or whether these studies were retrospective or prospective. It is a compilation of retrospective existing scientific literature.

    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)

    Not applicable. This submission relies on non-clinical performance testing and a literature review for clinical evaluation, not on a test set requiring expert ground truth for interpretation of images or other data.

    4. Adjudication method (e.g. 2+1, 3+1, none) for the test set

    Not applicable. There was no clinical test set 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

    Not applicable. This is a medical device for hip arthroplasty, not an AI-based diagnostic or imaging device that would typically involve MRMC studies or AI assistance for human readers.

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

    Not applicable. This is a hip prosthesis, not an algorithm or AI.

    7. The type of ground truth used (expert consensus, pathology, outcomes data, etc)

    • Non-clinical (Performance) Tests: Ground truth for these tests is based on engineering specifications, material properties, and established test standards (e.g., demonstrating mechanical compatibility and fatigue life under simulated physiological conditions).
    • Clinical Evaluation: The "ground truth" for the clinical evaluation is based on the outcomes data and findings reported in the systematic scientific literature review regarding the safety and effectiveness of the Corail Hip System for femoral neck fractures, by extension supporting the expanded indications for hemi-arthroplasty.

    8. The sample size for the training set

    Not applicable. This is a medical device for hip arthroplasty, not an AI or machine learning model that requires a training set.

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

    Not applicable. As above, there is no training set for this type of device submission.

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