Hüftpfanne mit einer gespritzten HA-Schicht für eine optimierte und schnellere Osseointegration

Plasma-Sprayed HA Coatings

Plasma-sprayed HA-coating on a hip shaft
SEM pictures of the HA sprayed surface
SEM pictures of the HA sprayed surface

Technology

DOT applies the plasma sprayed HA coating to the implants in a vacuum chamber using the VPS vacuum technique.

Plasma-Sprayed HA Coatings - PDF: 600 KB

Range of Application

  • Joint implants: hip joint, knee joint, ankle joint, shoulder joint, wrist joint, finger implants and spinal implants

Advantages of the Procedure

  • Surface enlargement
  • High primary stability of the implant due to rough surface
  • Long-time stability due to bone ingrowth into the porous HA layer
  • Improved fatigue strength of the implants compared with sintering techniques
  • Application of VPS technique leads to increased purity and adhesive strength in comparison to other methods (e.g. APS - Atmospheric Plasma Spray)

Properties

  • Coating thickness: 20–200 µm
  • Roughness Ra: 5–13 µm
  • Porosity: 10–20 %
  • Adhesion strength: ≥ 15 MPa
  • Ca/P ratio: 1.61–1.76
  • Porous, crystalline surface

Another calcium phosphate layer that we offer:

DOT GmbH
Charles-Darwin-Ring 1a
18059 Rostock l Germany

Phone: +49 381- 4 03 35-0

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