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The PRIMA Humeral System is intended for partial or total, primary or revision, shoulder joint replacement in skeletally mature patient's joint must be anatomically and structurally suited to receive the selected implants and a functional deltoid muscle is necessary to use the device. The PRIMA Short Stem and PRIMA Short Stem Plus are intended for use in cementless and cemented applications, at the discretion of the surgeon.

The PRIMA Anatomic implant is indicated for partial or total, primary or revision shoulder joint replacement, in patients suffering from pain and disability due to:

• . Non-inflammatory degenerative joint disease (i.e. osteoarthritis),
• Inflammatory arthritis of the glenohumeral join including rheumatoid arthritis, .
• Avascular necrosis of the humeral head, ●
• . Traumatic/post-traumatic arthritis,
• Fractures of the humeral head where adequate fixation can be achieved and adequate bone . stock remains,
• . Post-fracture deformity with intact rotator cuff, where adequate fixation can be achieved and adequate bone stock remains,
• . Cuff tear arthropathy (CTA Heads only).

The PRIMA Reverse implant is indicated for primary reverse total shoulder replacement or for revision when converting an anatomic PRIMA arthroplasty to a reverse total shoulder arthroplasty (i.e. in case of cuff tear arthropathy or in a grossly rotator cuff deficiency joint with severe arthropathy).

Revision surgery with retention of the PRIMA Short Stem and PRIMA Short Stem Plus are intended as conversion surgery from anatomic to reverse, where the stem is stable, well positioned and tissue integrated. Other revisions of the humeral prosthesis part should be treated with traditional shoulder prostheses.

The PRIMA reverse implant is indicated for patients suffering from pain and disability due to:

• Rotator cuff tear arthropathy,
• Osteoarthritis with rotator cuff tear,
• Rheumatoid arthritis with rotator cuff tear,
• Massive irreparable rotator cuff tear,
• Avascular necrosis of the humeral head,
• Correction of functional deformity, where adequate fixation can be achieved and adequate bone stock remains,

The PRIMA Glenoid System is indicated for primary, fracture or revision total shoulder replacement in a grossly rotator cuff deficient joint with severe arthropathy (disabled shoulder). The patient's joint must be anatomically and structurally suited to receive the selected implants and a functional deltoid muscle is necessary to use the device. The PRIMA Glenoid System components are intended for uncemented use with the addition of screw fixation.

This 510(k) submission aims at introducing new components to the previously cleared PRIMA Humeral (K212800) and Glenoid (K222427) systems.

The PRIMA Short Stem Plus is introduced as part of the PRIMA Humeral System. As the already cleared PRIMA Short Stem, the PRIMA Short Stem Plus is a convertible short stem component with proximal (metaphyseal) fixation with Trabecular Titanium to be used in both anatomic and reverse configurations. Depending on the configuration, the stem component can be coupled with an Adaptor for the humeral heads for the anatomic configuration and with a Reverse Tray and Reverse Insert in reverse configuration.

The PRIMA Short Stem Plus is intended for use in cementless and cemented applications.

The PRIMA Short Stem Plus is made of Ti6A14V (ISO 5832-3) and is available in two different lengths: 86 mm and 96 mm. Each length is available in seven different sizes, varying from 28mm to 40mm in the proximal diameter.

The PRIMA TT Glenoid Central Compressive Cortical and Cancellous Screws in length 20mm are introduced as part of the PRIMA Glenoid System, as an additional option to the already available sizes (length 25 to 50mm), cleared via K222427. The PRIMA TT Glenoid Central Compressive Cortical and Cancellous Screws are intended to be inserted in the central hole of the glenoid baseplate and are used to fix the PRIMA TT Glenoid baseplates to the glenoid bone.

As for the already cleared central compressive screws of PRIMA TT Glenoid, the PRIMA TT Glenoid Central Compressive Cortical and Cancellous Screws in length 20 mm are manufactured from Ti6A14V (ASTM F1472, ISO 5832-3) and have respectively diameter 5mm (cortical) and 6.5mm (cancellous).

The provided document is a 510(k) Premarket Notification from the FDA, which assesses the substantial equivalence of medical devices to legally marketed predicate devices. It does not contain information about acceptance criteria or a study proving that a device meets specific performance criteria related to AI or diagnostic accuracy.

The document describes the PRIMA Humeral System and PRIMA TT Glenoid devices, which are shoulder joint replacement prostheses. The review focuses on their substantial equivalence in terms of intended use, design, materials, and mechanical non-clinical testing to previously cleared devices.

Therefore, I cannot provide an answer based on the given prompt about acceptance criteria and a study proving device performance in the context of diagnostic accuracy or AI assistance, as this information is not present in the provided text.

Specifically, the document states:

• "Clinical testing was not necessary to demonstrate substantial equivalence of PRIMA Humeral System and PRIMA TT Glenoid to the predicate devices." (Page 8)

This confirms that no clinical study for performance (like diagnostic accuracy, AI assistance, or human reader improvement) was conducted or needed for this particular 510(k) clearance.

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The PRIMA Glenoid System is indicated for primary, fracture or revision total shoulder replacement in a grossly rotator cuff deficient joint with severe arthropathy (disabled shoulder). The patient's joint must be anatomically and structurally suited to receive the selected implants and a functional deltoid muscle is necessary to use the device.

The PRIMA Glenoid System components are intended for uncemented use with the addition of screw fixation.

The PRIMA TT Glenoid, that is part of the PRIMA Glenoid System, is a modular shoulder system intended to be used in combination with the previously cleared humeral components of the SMR Shoulder System (K220792) and PRIMA Humeral System (K212800).

The new system components include a monoblock glenoid baseplate, a modular glenoid baseplate and the related glenoid peg, a glenosphere connector with screw, central and peripheral bone screws and locking caps.

The baseplates are provided in different angulations, ranging between 10° and 20°, and in different offsets, up to +4mm lateralization. The glenosphere has articular diameter 36, 40 and 42mm and the connector with screw is available in low, medium and high lateralization. Central compressive screws are available in dia. 5 and 6.5mm and in length ranging between 25 and 50mm, while peripheral screws are available in dia. 5mm and in length ranging between 18 to 50mm.

Baseplates, peg, screws and locking cap are made of Ti6Al4V, the glenosphere is made of CoCrMo and the glenosphere connector with screw is made of Ti6Al4V and UHMWPE.

This document is a 510(k) Premarket Notification for the PRIMA TT Glenoid, a shoulder implant system. It primarily focuses on demonstrating substantial equivalence to predicate devices through non-clinical (mechanical) testing, and explicitly states that clinical testing was not necessary. Therefore, this document does not contain the information requested regarding acceptance criteria and a study proving the device meets those criteria based on clinical performance data.

Specifically, the document states: "Clinical testing was not necessary to demonstrate substantial equivalence of PRIMA TT Glenoid to the predicate devices."

As a result, I cannot provide the detailed information requested in points 1-9 regarding a study that proves the device meets acceptance criteria through clinical performance. The provided text only discusses non-clinical mechanical testing for equivalence.

However, I can extract information related to the non-clinical testing performed:

Non-clinical Testing Information Provided:

• Type of Testing: Mechanical tests.
• Purpose: To demonstrate that device performance fulfilled the intended use and that the device is substantially equivalent to the predicate devices.
• Tests Performed:
  • Evaluation of modular connection dissociation strength
  • Fatigue fretting test on glenoid baseplates in reverse shoulder configuration
  • Evaluation of modular connection dissociation strength post-fatigue
  • Dynamic Evaluation of the Glenoid Loosening or Disassociation (ASTM F2028)
  • Evaluation of range of motion for worst case devices
• Components Tested: Worst case components or constructs.

Since clinical performance data and associated acceptance criteria are not present in the provided text, the table for clinical acceptance criteria and the detailed study information cannot be generated from this document.

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