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The Ignite Anatomic Shoulder System is intended for use in total or hemi-shoulder replacement procedures the following:

• · Non-inflammatory degenerative joint disease including osteoarthritis and avascular necrosis.
• · Rheumatoid arthritis.
• · Revision where other devices or treatments have failed.
• · Correction of functional deformity.
• · Fracture of the humeral head
• · Difficult clinical management problems, including cuff arthropathy, where other methods of treatment may not be suitable or may be inadequate.

Fixation Methods
The humeral stem is intended for cementless use. The glenoid is intended for cemented use only.

The Ignite Anatomic Shoulder System is total shoulder arthroplasty system consisting of humeral heads (38 - 57mm diameters), offset taper adapters (multiple offsets), stems (66-82mm lengths), and glenoid components (multiple sizes).

The anatomic humeral consists of a wrought Cobalt-Chromium Humeral Head, a wrought Ti-6Al-4V Taper Adapter, and an additively manufactured Ti-6Al-4V Stem.

The All-Poly Anatomic Glenoid consists of Crosslinked Alpha-Tocopherol (Vitamin-E) infused Ultra-High-Molecular-Weight-Polyethylene. This device also has a 316L stainless steel pin pressed into it as an x-ray marker.

The system is provided with a set of instruments designed for preparation of the implant site and insertion of the implants into bone.

The provided FDA 510(k) document is for the Ignite Anatomic Shoulder System, a medical device. This document describes the device itself and its equivalence to previously cleared devices. It does not contain information about an AI/ML powered device or a study involving acceptance criteria for such a device.

Therefore, I cannot provide the requested information regarding acceptance criteria, device performance tables, sample sizes, data provenance, expert ground truth establishment, adjudication methods, MRMC studies, standalone performance, or training set details.

The document explicitly states: "Clinical testing was not necessary to demonstrate substantial equivalence of the Ignite Anatomic Shoulder System to the predicate devices." This indicates that the regulatory clearance was based on non-clinical testing and comparison to predicate devices, not on a clinical study evaluating its performance against specific acceptance criteria in patient populations.

The "Non-Clinical Testing" section lists various mechanical and material-related tests (e.g., Range of Motion, Biocompatibility, Wear Testing, Fatigue Testing) conducted to demonstrate the device's substantial equivalence to predicate devices, but these are for the physical implant itself, not an AI/ML component.

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The ReUnion RSA Shoulder System is intended for primary, fracture, or revision of total Shoulder replacement. The patient's joint must be anatomically suited to receive the selected implant(s), and a functional deltoid muscle is necessary to use the device.

The patient's joint must have gross rotator cuff deficiency, a functional deltoid muscle and be anatomically and structurally suited to receive the selected implant(s).

· Painful, disabling joint disease of the shoulder resulting from: degenerative arthritis or rheumatoid arthritis.

• · Proximal humeral fracture.
  · Revision of previously failed shoulder joint replacement.

Glenoid Baseplate components are intended for cementless use with the addition of screw fixation.

The Humeral Stem components are intended for both cemented and cementless use.

In the case of revision, when ReUnion TSA humeral stems are well fixed, the system is indicated for conversion to a reverse shoulder arthroplasty.

In conjunction with ReUnion RSA humeral and glenoid components, ReUnion TSA humeral stems can be converted from a hemi or total shoulder arthroplasty to a reverse shoulder arthroplasty, as well as revised from an existing reverse shoulder arthroplasty to a secondary reverse shoulder arthroplasty, in treatment of a grossly deficient rotator cuff with sever arthropathy or previously failed joint replacement with a grossly deficient rotator cuff. The patient must have a functional deltoid muscle, and be anatomically and structurally suited to receive the implant(s).

For use as a Hemi or Total Shoulder Replacement

· Aseptic necrosis of the humeral head.

· Painful, disabling joint disease of the shoulder resulting from: degenerative arthritis, rheumatoid arthritis or posttraumatic arthritis.

• Proximal humeral fracture and/or dislocation.

· Clinical management problems where arthrodesis or alternative techniques are less likely to achieve satisfactory results.

· Revision of previous unsuccessful total shoulder replacement, resurfacing or other procedure.

Glenoid components are intended for cemented use only. The humeral stem components are intended for both cemented and cementless use.

In the case of revision, when ReUnion TSA humeral stems are well fixed, the system is indicated for conversion to a total shoulder arthroplasty. In conjunction with ReUnion TSA humeral and glenoid components, if the natural grovides sufficient bone stock, ReUnion TSA humeral stems can be converted from a hemiarthroplasty to a total shoulder arthroplasty, as well as revised from an existing total shoulder arthroplasty total shoulder arthroplasty. It is also indicated for conversion to a hemiarthroplasty. In conjunction with ReUnion TSA humeral components, ReUnion TSA humeral stems can be converted from a total or ReUnion RSA reverse shoulder arthroplasty, as well as revised from an existing hemiarthroplasty to a secondary hemiarthroplasty, in treatment of previously failed shoulder arthroplasty cases where revision to a reverse shoulder arthroplasty is inappropriate.

The ReUnion RFX System includes a Reversible Fracture Stem) that can utilize either the ReUnion Total Shoulder Arthroplasty (TSA) or ReUnion Reverse Shoulder Arthroplasty (RSA) humeral and glenoid components and is indicated for use a hemi, total or reverse shoulder replacement. The ReUnion RFX stem is intended use only.

When used with ReUnion TSA Humeral & Glenoid Components

The ReUnion RFX System, when used with ReUnion TSA Humeral and Glenoid components, is indicated for use as a Hemi or Total Shoulder Replacement:

• Aseptic necrosis of the humeral head.
• · Painful, disabling joint disease of the shoulder resulting from: degenerative arthritis, or posttraumatic arthritis.
• · Proximal humeral fractures and/or dislocation.
• · Clinical management problems where arthrodesis or alternative techniques are less likely to achieve satisfactory results.
• · Revision of previous unsuccessful total shoulder replacement, resurfacing or other procedure.

In the case of revision, when ReUnion RFX humeral stems are well fixed, the system is indicated for conversion to a total shoulder arthroplasty. In conjunction with ReUnion TSA humeral and glenoid components, if the natural grovides sufficient bone stock, ReUnion RFX humeral stems can be converted from a hemiarthroplasty to a total shoulder arthroplasty, as well as revised from an existing total shoulder arthroplasty total shoulder arthroplasty. It is also indicated for conversion to a hemiarthroplasty. In conjunction with ReUnion TSA humeral components, ReUnion RFX humeral stems can be converted from a total or reverse shoulder arthroplasty to a hemiarthroplasty, as well as revised from an existing hemiarthroplasty to a secondary hemiarthroplasty, in treatment of previously failed shoulder arthroplasty cases where revision to a reverse shoulder arthroplasty is inappropriate.

The glenoid components are intended for cemented use only.

When used with ReUnion RSA Humeral & Glenoid Components

The ReUnion RFX System, when used with ReUnion RSA humeral & glenoid components, is intended for primary, fracture, or revision total shoulder replacement. The patient's joint must have gross rotator cuff deficiency, a functional deltoid muscle, and be anatomically and structurally suited to receive the implant(s).

· Painful, disabling joint disease of the shoulder resulting from degenerative arthritis or rheumatoid arthritis;

• Proximal humeral fractures
• · Revisions of previously failed shoulder joint replacements

In the case of revision, when ReUnion RFX humeral stems are well fixed, the system is indicated for conversion to a reverse shoulder arthroplasty. In conjunction with ReUnion RSA humeral and glenoid components, ReUnion RFX humeral stems can be converted from a hemi or total shoulder arthroplasty to a reverse shoulder arthroplasty, as well as revised from an existing reverse shoulder arthroplasty to a secondary reverse shoulder arthroplasty, in treatment of a grossly deficient rotator cuff with severe arthropathy failed joint replacement with a grossly deficient rotator cuff. The patient must have a functional deltoid muscle, and be anatomically suited to receive the implant(s).

Glenoid Baseplate components are intended for cementless use with the addition of screw fixation.

This Traditional 510(k) submission is being supplied to the U.S. FDA to provide authorization to market new devices within the ReUnion TSA System and ReUnion RSA System, including modifications to:

• ReUnion TSA System to add shorter length ReUnion S humeral stems
• · ReUnion TSA System to add EtO sterilized X3 glenoid components
• ReUnion RSA System to add EtO sterilized X3 humeral inserts

A line extension to the existing standard ReUnion TSA humeral stems is being introduced to the existing system. The line extension, also referred to as ReUnion S, will consist of reduced length humeral stems. While the ReUnion S stem is shorter in length compared to the standard stems, both stems share similar instrumentation and surgical workflow.

In addition to the line extension, this submission will introduce Reunion X3 Glenoids and Inserts that are identical in their design to the predicate components, Glenoids and Inserts (K181742). The subject inserts will use a different method of terminal sterilization of ethylene oxide per ISO 11135 and will be formed by consolidating resin via conventional methods which meet the specifications of ASTM F648. The same change was previously cleared in K172634 and K180612.

The ReUnion Reversible Fracture System consists of a humeral fracture stem component which may be used in conjunction with TSA or RSA humeral and glenoid components for conventional total shoulder arthroplasty or reverse shoulder arthroplasty. It may also be used in conjunction with TSA humeral components to articulate directly with the anatomic glenoid in a hemi-shoulder application. The device contains various number of suture holes. The stems have a female taper on the proximal end of the shaft to accept TSA and RSA Gleno-humeral components. It is designed to be used in cemented applications only.

The ReUnion RSA Shoulder System is a system of components intended for total shoulder replacement in a reverse shoulder configuration. The system is comprised of a humeral insert, glenosphere, glenoid baseplate and screws. The Humeral Cup with the Humeral Insert are attached to the humeral side of the joint via the ReUnion TSA Humeral Stem while the Glenosphere is implanted with the Glenoid Baseplate onto the glenoid side of the joint fixated with locking Center and Peripheral Screws.

The Reunion Total Shoulder Arthroplasty (TSA) System is intended for shoulder arthroplasty. The components of this system consist of humeral stems, a modular humeral neck adapter, single radius humeral heads, and self-pressurizing glenoids (SPG). The humeral stem is offered in both cemented and cementless designs. The cementless humeral stem design features a circumferential Ti-plasma spray and hydroxyapatite (HA) coating at the proximal end and the cemented humeral stems have no coating at the proximal end. These humeral stems were designed to mate with the subject single radius humeral heads or the modular neck adapter, for compatibility with other marketed humeral heads. The self-pressuring glenoids (SPG) mate with the single radius heads. The SPGs are offered in both pegged and keeled configurations.

Note: ReUnion TSA Humeral Stems include both standard length ReUnion TSA stems and shorter length ReUnion S stems.

I am sorry, but the provided text does not contain information about the acceptance criteria or a study that proves a device meets those criteria, specifically concerning AI/human reader performance in a medical context.

The document is an FDA 510(k) Premarket Notification for orthopedic devices (shoulder arthroplasty systems) and primarily focuses on demonstrating substantial equivalence to a predicate device. It details:

• Device Name: ReUnion Reversible Fracture System (RFX), ReUnion Reverse Shoulder Arthroplasty System (RSA), ReUnion Total Shoulder Arthroplasty System (TSA)
• Regulation Number and Name: 21 CFR 888.3660 (Shoulder Joint Metal/Polymer Semi-Constrained Cemented Prosthesis)
• Indications for Use: Detailed descriptions for each system (RSA, TSA, RFX) specifying conditions like degenerative arthritis, rheumatoid arthritis, fractures, and revisions.
• Device Description: Explanations of the components (humeral stems, glenoid components, humeral heads, etc.) and their intended mechanisms.
• Non-Clinical Testing: Lists various material tests (ASTM F648, F2565), biocompatibility testing (ISO 10993-1), sterilization validation (ISO 11135), dynamic and static evaluations, LAL testing, and MRI compatibility testing.
• Clinical Testing: Explicitly states, "Clinical testing was not required for this submission."

Therefore, I cannot extract the acceptance criteria, study details, sample sizes, expert qualifications, or ground truth information relevant to the AI-assisted medical device performance that you are asking for, as this information is not present in the provided FDA submission.

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The Equinoxe Preserve Stems are indicated for use in skeletally mature individuals with degenerative diseases of the glenohumeral joint where anatomic total arthroplasty, anatomic hemi-arthroplasty, or reverse total arthroplasty is determined by the surgeon to be the preferred method of treatment.

Clinical indications for anatomic total arthroplasty and anatomic hemi-arthroplasty are as follows:

• · Rheumatoid arthritis, osteoarthritis, osteonecrosis or post-traumatic degenerative problems
• · Congenital abnormalities in the skeletally mature
• · Primary and secondary necrosis of the humeral head.
• · Pathologies where arthrodesis or resectional arthroplasty of the humeral head are not acceptable
• · Revisions of humeral prostheses when other treatments or devices have failed (where adequate fixation can be achieved)
• · To restore mobility from previous procedures (e.g. previous fusion)

The Equinoxe Preserve Stems are additionally indicated for use in reverse total arthroplasty in skeletally mature individuals with degenerative diseases of the glenohumeral joint and a grossly deficient, irreparable rotator cuff or a failed glenohumeral joint replacement with loss of rotator cuff function resulting in superior migration of the humeral head. The patient must be anatomically and structurally suited to receive the implants and a functional deltoid muscle is necessary.

The Equinoxe Preserve Stems are intended for press-fit applications but may be used with bone cement at the discretion of the surgeon.

The Exactech Equinoxe Preserve Stem is a line extension to the range of humeral stems marketed by Exactech under the Equinoxe brand name. The subject device is intended to provide surgeons with a short-stem, distal bone preserving option that is compatible with minimally invasive surgical techniques. The proposed device is manufactured from Ti-6Al-4V and has Titanium Plasma Spray, grit blasted, and polished regions. The stems are available in 10 sizes, with distal stem diameters between 6mm and length of 70mm.

This document is a 510(k) premarket notification for a medical device called the Exactech® Equinoxe® Preserve Stem, a humeral stem for shoulder replacement surgery. It establishes substantial equivalence to previously marketed predicate devices rather than providing a detailed study proving the device meets specific acceptance criteria in the context of AI/algorithm performance. Therefore, I cannot extract the requested information regarding acceptance criteria and studies in the way you've outlined, as this document pertains to a physical orthopedic implant and its regulatory clearance process based on substantial equivalence, not an AI/software as a medical device.

The document discusses:

• Indications for Use: What the device is intended for.
• Technological Characteristics: How the device is similar to predicate devices (materials, design, dimensions, sterilization).
• Non-Clinical Testing: Engineering analyses performed to demonstrate performance (Fatigue Testing, Subsidence and Pull-out Testing, Pyrogen testing).

It does not contain information about:

1. A table of acceptance criteria and reported device performance (in terms of AI metrics).
2. Sample size for a test set, data provenance, or ground truth.
3. Number of experts or their qualifications for establishing ground truth.
4. Adjudication method.
5. Multi-reader multi-case (MRMC) comparative effectiveness studies.
6. Standalone (algorithm only) performance.
7. Type of ground truth used (expert consensus, pathology, outcomes data).
8. Sample size for the training set.
9. How ground truth for the training set was established.

This document is a regulatory submission for a physical medical device, not an AI/ML-driven diagnostic or therapeutic device that would require the specific types of studies and acceptance criteria you're asking about.

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