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Shoulder endoprosthetics

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modular shoulder system

AGILON® Omarthrosis

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shoulder primary endoprosthetics

Design Rationale

The AGILON® modular shoulder system offers the surgeon great flexibility via an extensive range of modular components and has been designed for arthritic scenarios as well as reconstruction following 3-fragment to 4-fragment fracture of the humeral head. It is possible to change from the anatomic replacement option to the inverse option intraoperatively while leaving the bone anchoring components (i.e. the humeral stem and the glenoid) in place. With the help of extension pieces the proximal length of the implant can be extended from 5mm to 17.5 mm in steps of 2.5 mm. Because the diaphyseal stem and metaphyseal component are modular retroversion can be adjusted and securely fixed via the toothed connections. The humeral caps feature eccentricity and come in a range of heights as well as a range of diameters which allows fine tuning of the medio-lateral offset. Primary fixation of the cementless glenoid is augmented by locking screws. The inverse option utilises a polyethylene (PE) glenosphere and a thin metal humeral cap which reduces the risk of scapula impingement and hence increases the available range of motion. Additionally cuff tear arthropathy (CTA) caps are also available in a range of diameters and heights. Retentive inverse caps as well as cemented PE glenoids complete the system.

Product details

Indications:

  • arthritis of the shoulder
  • defect arthropathy

Materials:

implatan®; TiAl6V4-according to ISO 5832-3 is used for the metaphyseal components, extension pieces, cementless stems, caps, CTA caps and inverse as well as retentive inverse caps
implavit®; CoCrMo according to ISO 5832-4 is used for the cemented stems and screws
pure titanium (cpTi) according to ISO 5832-2 with HA-coating is used for the glenoids
UHMW-PE according to ISO 5834-2 is used for the glenoid-inserts, cemented glenoids and the glenospheres

Coatings:

  • TiN-coating is applied to the articulating surfaces of the metal components as well as on the cemented stems on request
  • implaFix® HA; HA-coating according to ISO 13779-2 is applied to the cementless glenoids

Product range:

  • 2 metaphyseal angle: 135° and 155°
  • 3 metaphyseal components: 2 for primary (in 30mm or 40mm heights) and 1 for trauma (in a height of 30mm)
  • 5 extension pieces: 7.5mm, 10mm, 12.5mm, 15mm and 17.5mm
  • cementless stems: Ø 9 - 18mm, in the lengths 30, 60, 120, 180* and 240*mm (Ø 9mm not for 30mm length and Ø 17 - 18mm only in 30 and 60mm) *featuring 2 distal locking screw holes,
  • cemented stems:  Ø 6 - 12mm, in the lengths 60, 90 and 120mm
  • 12 anatomic eccentric humeral caps: Ø 44, 47, 50 and 53mm), in the heights 14, 17 and 20mm
  • 12 CTA caps: Ø 44, 47, 50 and 53mm), in the heights 14, 17 and 20mm
  • 2 glenoid cementless anatomical: size 2, size 3 and size 3 round
  • 2 glenoid cementless anatomical for revision featuring a longer central peg: size 2 and size 3
  • 3 glenoid PE-inserts: size 2, size 3 and size 4
  • 3 cemented PE glenoids: size 2, size 3 and size 4
  • 6 PE-glenospheres: Ø 36, 40 and 44mm for both sizes
  • 9 inverse humeral caps and 9 retentive inverse humeral caps: Ø 36, 40 and 44mm, in the neck lengths S, M and L

Smaller sizes of glenoid and humeral cap are also available on request for Asian patients.

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