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The Catalyst F1x Shoulder System is a reverse total shoulder replacement for patients with a functional deltoid muscle and a grossly deficient rotator cuff joint suffering from pain and dysfunction due to: · Severe arthropathy with a grossly deficient rotator cuff; · Previously failed joint replacement with a grossly deficient rotator cuff; · Fracture of glenohumeral joint from trauma or pathologic conditions of the shoulder including humeral head fracture, displaced 3- or 4-part fractures of proximal humerus, or reconstruction after tumor resection; • Non-inflammatory degenerative disease including osteoarthritis and avascular necrosis of the natural head and/or glenoid; · Inflammatory arthritis including rheumatoid arthritis; · Correction of functional deformity The Catalyst F1x press-fit stems are intended for cementless press-fit applications. The Catalyst F1x cemented stems are intended for cemented fixation. The Catalyst F1x stem is compatible with the implants from the R1 Shoulder Systems.

The Catalyst F1x Shoulder System is intended for use as a replacement of shoulder joints in reverse arthroplasty. The stems can be used in conjunction with the Catalyst R1 Reverse Shoulder humeral articulating poly inserts and glenoid implants for use in reverse shoulder arthroplasty. This submission for the Catalyst F1x Shoulder System consists of proximal bodies, distal stems, locking screws and spacers. The fracture specific proximal bodies have asymmetric, right- and left-sided finned geometry to provide specific locations to reattach the greater and lesser tuberosities for a stable reconstruction of the proximal humerus. The proximal bodies have a porous titanium structure on the bone engaging regions. The distal stems shall be provided in varying diameters to accommodate varying bone geometries. The distal stems will be offered in press-fit and cemented versions. The press-fit distal stems shall have a tapered, splined proximal geometry with an HA (hydroxyapatite) coating. The cemented stems shall have a smooth stem geometry. The proximal bodies and distal stems shall be secured together using a mechanical taper interface that is supplemented with a locking screw. Spacers shall be provided to offer additional options for restoring the appropriate humeral height.

The Catalyst R1 Reverse Shoulder System is a reverse total shoulder replacement for patients with a functional deltoid muscle and a grossly deficient rotator cuff joint suffering from pain and dysfunction due to: - · Severe arthropathy with a grossly deficient rotator cuff; - · Previously failed joint replacement with a grossly deficient rotator cuff; - Fracture of glenohumeral joint from trauma or pathologic conditions of the shoulder including humeral head fracture, displaced 3- or 4-part fractures of proximal humerus, or reconstruction after tumor resection; - · Bone defect in proximal humerus; - · Non-inflammatory degenerative disease including osteoarthritis and avascular necrosis of the natural head and/or glenoid: - · Inflammatory arthritis including rheumatoid arthritis; - · Correction of functional deformity The humeral stems are intended for cemented or uncemented applications. The glenoid baseplate is intended for uncemented use with the addition of screws for fixation.

The Catalyst OrthoScience R1 Reverse Shoulder System is a total shoulder prosthesis designed for use in patients with a non-functional rotator cuff. The articulation of this reverse design is inverted compared to a traditional anatomic total shoulder prosthesis, where the articulating sphere is on the glenoid side of the joint, and the mating insert is fixed into the humeral stem implant. This submission is to add polyethylene inserts with a modified locking ring to the R1 Reverse Shoulder System. These polyethylene inserts are a design modification of the polyethylene inserts cleared in K202611 and K211991. There are no changes to the articulating interface or overall dimensions of the construct in vivo, the only change is to the locking mechanism. These polyethylene inserts do not replace the standard polyethylene inserts cleared in K202611 and K211991 but are an additional option and are compatible with all components within the Catalyst R1 Reverse Shoulder System.

The Catalyst R1 Reverse Shoulder System is a reverse total shoulder replacement for patients with a functional deltoid muscle and a grossly deficient rotator cuff joint suffering from pain and dysfunction due to: · Severe arthropathy with a grossly deficient rotator cuff; - · Previously failed joint replacement with a grossly deficient rotator cuff: - Fracture of glenohumeral joint from trauma or pathologic conditions of the shoulder including humeral head fracture, - displaced 3- or 4-part fractures of proximal humerus, or reconstruction after tumor resection; - · Bone defect in proximal humerus; - · Non-inflammatory degenerative disease including osteoarthritis and avascular necrosis of the natural head and/ or glenoid; - · Inflammatory arthritis including rheumatoid arthritis: - · Correction of functional deformity The humeral stems are intended for cemented or uncemented applications. The glenoid baseplate is intended for uncemented use with the addition of screws for fixation.

The Catalyst R1 Reverse Shoulder System is a total shoulder prosthesis designed for use in patients with a non-functional rotator cuff. The articulation of this reverse design is inverted compared to a traditional anatomic total shoulder prosthesis, where the articulating sphere is on the glenoid side of the joint, and the mating insert is fixed into the humeral stem implant. This submission is to add optional sizes of the glenospheres and baseplates to the R1 Reverse Shoulder System. The additional sizes of the glenospheres and baseplates are a design modification of the glenospheres and baseplates cleared in K202611. The glenospheres and baseplates in this submission are not replacing the glenospheres and baseplates cleared in K202611 but are an additional option and are compatible with all components within the Catalyst R1 Reverse Shoulder System.

The Catalyst EA Convertible Stemmed Shoulder is intended for use as a replacement of shoulder joints in anatomic or reverse arthroplasty. Should the need arise for a conversion from an anatomic total shoulder to a reverse total shoulder, the humeral stem can remain in place, while the articulating surfaces are exchanged.

The Catalyst EA Convertible Stemmed Shoulder is an anatomic designed total shoulder prosthesis that mates with the Catalyst R1 humeral stems cleared in K202611. This submission adds conversion adapters, locking screw and humeral heads to mate with the previously cleared Catalyst R1 humeral stems. The humeral head components are compatible with previously cleared CSR 3 Peg glenoid components or for articulation with the glenoid cavity of the scapula. When the humeral stem (cleared K202611), adapter and humeral head are mated together, this creates a hemiarthroplasty (product code HSD). When the humeral stem, adapter and humeral head are used in conjunction with the CSR glenoid components (cleared K191811 and K173812), this creates a total shoulder arthroplasty (product code KWS). The adapters and locking screw are manufactured from Ti-6A1-4V ELI conforming to ASTM F136. The humeral components are manufactured from Co-Cr-Mo alloy conforming to ASTM F1537.

The Catalyst R1 Reverse Shoulder System is a reverse total shoulder replacement for patients with a functional deltoid muscle and a grossly deficient rotator cuff joint suffering from pain and dysfunction due to: - · Severe arthropathy with a grossly deficient rotator cuff; - · Previously failed joint replacement with a grossly deficient rotator cuff; - · Fracture of glenohumeral joint from trauma or pathologic conditions of the shoulder including humeral head fracture, displaced 3- or 4-part fractures of proximal humerus, or reconstruction after tumor resection; - · Bone defect in proximal humerus; - · Non-inflammatory degenerative disease including osteoarthritis and avascular necrosis of the natural humeral head and/or glenoid; - · Inflammatory arthritis including rheumatoid arthritis; - · Correction of functional deformity The humeral stems are intended for cemented or uncemented applications. The glenoid baseplate is intended for uncemented use with the addition of screws for fixation.

The Catalyst R1 Reverse Shoulder System is a total shoulder prosthesis designed for use in patients with a non-functional rotator cuff. The articulation of this reverse design is inverted compared to a traditional anatomic total shoulder prosthesis, where the articulating sphere is on the glenoid side of the joint, and the mating insert is fixed into the humeral stem implant. The Catalyst R1 Reverse Shoulder System was previously cleared per K202611 and modified to add semi-constrained polyethylene inserts per K211991. This submission is to add humeral spacers to the R1 Reverse Shoulder System. The humeral spacers allow for a height extension of the humeral stems cleared in K202611. These humeral spacers are an additional option and are compatible with all components within the Catalyst R1 Reverse Shoulder System.

The Catalyst R1 Reverse Shoulder System is a reverse total shoulder replacement for patients with a functional deltoid muscle and a grossly deficient rotator cuff joint suffering from pain and dysfunction due to: · Severe arthropathy with a grossly deficient rotator cuff; - · Previously failed joint replacement with a grossly deficient rotator cuff; - Fracture of glenohumeral joint from trauma or pathologic conditions of the shoulder including humeral head fracture, displaced 3- or 4-part fractures of proximal humerus, or reconstruction after tumor resection: - · Bone defect in proximal humerus; - · Non-inflammatory degenerative disease including osteoarthritis and avascular necrosis of the natural head and/ or glenoid: - · Inflammatory arthritis including rheumatoid arthritis; - · Correction of functional deformity The humeral stems are intended for cemented or uncemented applications. The glenoid baseplate is intended for uncemented use with the addition of screws for fixation.

The Catalyst R1 Reverse Shoulder System is a total shoulder prosthesis designed for use in patients with a non-functional rotator cuff. The articulation of this reverse design is inverted compared to a traditional anatomic total shoulder prosthesis, where the articulating sphere is on the glenoid side of the joint, and the mating insert is fixed into the humeral stem implant. This submission is to add semi-constrained polyethylene inserts to the R1 Reverse Shoulder System. The semi-constrained polyethylene inserts are a design modification of the polyethylene inserts cleared in K202611. The semi-constrained polyethylene inserts are not replacing the standard polyethylene inserts cleared in K202611 but are an additional option and are compatible with all components within the R1 Reverse Shoulder System.

The Catalyst R1 Reverse Shoulder System is a reverse total shoulder replacement for patients with a functional deltoid muscle and a grossly deficient rotator cuff joint suffering from pain and dysfunction due to: · Severe arthropathy with a grossly deficient rotator cuff; - · Previously failed joint replacement with a grossly deficient rotator cuff; - · Fracture of glenohumeral joint from trauma or pathologic conditions of the shoulder including humeral head fracture, displaced 3- or 4-part fractures of proximal humerus, or reconstruction after tumor resection: - · Bone defect in proximal humerus; - Non-inflammatory degenerative disease including osteoarthritis and avascular necrosis of the natural humeral head and/ or glenoid: - · Inflammatory arthritis including rheumatoid arthritis; - · Correction of functional deformity The humeral stems are intended for cemented or uncemented applications. The glenoid baseplate is intended for uncemented use with the addition of screws for fixation.

The Catalyst R1 Reverse Shoulder System is a total shoulder prosthesis designed for use in patients with a non-functional rotator cuff. The articulation of this reverse design is inverted compared to a traditional anatomic total shoulder prosthesis, where the articulating sphere is on the glenoid side of the joint, and the mating insert is fixed into the humeral stem implant. The humeral implant system consists of humeral stems and polyethylene inserts. The stem implants are manufactured from Ti-6Al-4V ELI conforming to ASTM F136 with a porous structure on the proximal portion. The humeral stems are offered in short and long stem configurations to accommodate varying bone geometries. The humeral articulating inserts are manufactured from UHMWPE conforming to ASTM F648. They have a concave bearing geometry that radially matches the different sized glenospheres and are offered in varying thicknesses to achieve stability of the glenohumeral joint. The glenoid implant system consists of a central baseplate, glenosphere, fixation components, and locking components. The central baseplate is a circular disc that rests against the glenoid bone and is secured to the bone using up to four peripheral screws and either a central screw or post. The baseplate is manufactured from Ti-6AI-4V ELI conforming to ASTM F136 with a titanium plasma spray on the bone facing surface. The baseplate is offered in standard and augmented configurations. The Co-Cr-Mo glenospheres are manufactured from CoCrMo conforming to ASTM F1537 and are secured to the baseplate by a taper lock, and with an additional locking screw. The fixation components are manufactured from Ti-6Al-4V ELI conforming to ASTM F136.

The Catalyst CSR Shoulder System is indicated for use in skeletally mature individuals with degenerative diseases of the glenohumeral joint where hemi- or total shoulder arthroplasty is determined by the surgeon to be the preferred method of treatment. The Catalyst CSR Shoulder System is intended for use in patients with the following conditions where the humeral head, neck and glenoid vault are of sufficient bone stock and the rotator cuff is intact or reconstructable. - Osteoarthritis - Avascular Necrosis - Rheumatoid Arthritis - Post-traumatic Arthritis - Correction of functional deformity The Catalyst CSR humeral and glenoid implants are intended for cemented use. The Catalyst CSR Press-Fit humeral implants are intended for uncemented or cemented use.

The Catalyst CSR Shoulder System is a bone preserving total shoulder prosthesis designed for use in patients where the humeral head, neck and glenoid vault are of sufficient bone stock and there is an intact or reconstructable rotator cuff. The design requires minimal bone resection, thus giving the patient an alternative to other total shoulder designs where more bone is removed. This submission adds augmented glenoid components to the CSR Shoulder System. The CSR Augmented Glenoids are nearly identical to the previously cleared CSR 3 Peg Glenoids, except that additional material has been added to the fixation surface creating a 10 degree posterior wedge. Like the previously cleared CSR 3 Peg glenoid components, the CSR Augments are manufactured from UHMWPE conforming to ASTM F648. Also like the previously cleared CSR 3 Peg Glenoid components, three sizes of augmented glenoid components are available. The bearing surface has a symmetrical, oval shaped profile allowing use of each component on either the right or the left side. The glenoid component is designed to allow insertion at an angle, in the same orientation as the surgeon's exposure, to reduce the forceful retraction and bone and soft tissue trauma usually required to insert standard glenoid components. Three backside pegs are engineered to provide implant fixation within the dense cortical and subchondral bone. The CSR Augmented Glenoid components are compatible with previously cleared CSR Press-Fit humeral components.

The Catalyst CSR Shoulder System is indicated for use in skeletally mature individuals with degenerative diseases of the glenohumeral joint where hemi- or total shoulder arthroplasty is determined by the surgeon to be the preferred method of treatment. The Catalyst CSR Shoulder System is intended for use in patients with the following conditions where the humeral head, neck and glenoid vault are of sufficient bone stock and the rotator cuff is intact or reconstructable. - Osteoarthritis - Avascular Necrosis ● - Rheumatoid Arthritis ● - Post-traumatic Arthritis - Correction of functional deformity The Catalyst CSR humeral and glenoid implants are intended for cemented use. The Catalyst CSR Press-Fit humeral implants are intended for uncemented or cemented use.

The Catalyst CSR Shoulder System is a bone preserving total shoulder prosthesis designed for use in patients where the humeral head, neck and glenoid vault are of sufficient bone stock and there is an intact or reconstructable rotator cuff. The design requires minimal bone resection, thus giving the patient an alternative to other total shoulder designs where more bone is removed. This submission adds Press-Fit Humeral Components to the CSR Shoulder System. The press-fit humeral components have a non-spherical polished surface for articulation with the glenoid component or the glenoid cavity of the scapula. The humeral components incorporate 4 pegs which assist with alignment and provide rotational stability. The four plane geometry of the back side of the humeral component matches four cut surfaces on the humeral head to recreate the geometry and thickness of the removed bone. The CSR Press-Fit Humeral Components are manufactured from cast Co-Cr-Mo alloy conforming to ASTM F75. The undersurface of the head and the proximal portion of the alignment pegs are coated with a plasma sprayed coating of CP Ti conforming to ASTM F1580. The CSR humeral components are compatible with previously cleared CSR 3 Peg glenoid components.

The Catalyst CSR Shoulder System is indicated for use in skeletally mature individuals with degenerative diseases of the glenohumeral joint where hemi- or total shoulder arthroplasty is determined by the surgeon to be the preferred method of treatment. The Catalyst CSR Shoulder System is intended for use in patients with the following conditions where the humeral head, neck and glenoid vault are of sufficient bone stock and the rotator cuff is intact or reconstructable. - Osteoarthritis - Avascular Necrosis - Rheumatoid Arthritis - Post-traumatic Arthritis - Correction of functional deformity Both components of the Catalyst CSR Shoulder System are intended for cemented use only.

The Catalyst CSR Shoulder System is a bone preserving total shoulder prosthesis designed for use in patients where the humeral head, neck and glenoid vault are of sufficient bone stock and there is an intact or reconstructable rotator cuff. The design requires minimal bone resection, thus giving the patient an alternative to other total shoulder designs where more bone is removed. This submission adds larger, standard (non-spherical) humeral components to the CSR Shoulder System. Like the previously cleared CSR humeral components, the Size H and Size I CSR standard humeral components are manufactured from cast Co-Cr-Mo alloy conforming to ASTM F75. They have a non-spherical polished surface for articulation with the glenoid component or the glenoid cavity of the scapula. The humeral components incorporate 4 pegs which assist with alignment and provide rotational stability. The four plane geometry of the back side of the humeral component matches four cut surfaces on the humeral head to recreate the geometry and thickness of the removed bone. The CSR humeral components are compatible with previously cleared CSR 3 Peg glenoid components.