Shoulder endoprosthetics

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Humeral Diaphyseal Implant

Design Rationale

The MUTARS® Diaphyseal implant is a modular system comprising the diaphyseal component itself (available in a silver-coated and/or a titanium nitride (TiN) coated options), the connecting part and extension pieces (available in a silver-coated options), cementless and cemented stems plus a range of bolts or screws to securely connect the impant construct.

The silver coating option is ideal where infection is a concern (e.g. if the patient‘s immune system has been suppressed by chemo- or radiotherapy).

The titanium alloy (TiAl6V4) cemented diaphyseal component comes in a single length and two diameters (8mm, 9mm). This should always be implanted in the shortest remaining bone segment.

The diaphyseal component comes with its connecting part to connect directly to the stem at the opposite end of a reconstruction of 80mm. Alternatively one of three TiAl6V4 extension pieces (20mm, 40mm, 60mm) can be placed between the connecting part and the stem for reconstructions up to 140mm.

Product details

Tumours in the area of the humeral diaphysis

implatan®; TiAl6V4 according to ISO 5832-2
implavit®; CoCrMo according to ISO 5832-4


  • implaFix® HA; HA-coating according to ISO 13779-2 (cementless stems; optional)

System components:

  • 2 cemented humeral diaphyseal implants (with stem and connecting part): 8mm or 9mm diameter
  • 3 extension pieces: 20mm, 40mm, 60mm
  • 14 stems which are 75mm in length: 9 cementless (8mm to 16mm) and 5 cemented (8mm to 12mm)

Reconstruction length:
from 80mm

This area is intended for medical professionals only and may only be provided to certain professional personnel.