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 using the APS technique.

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

Properties

  • Coating thickness: On Customer Request
  • Adhesion (tensile strength) ASTM F1147: ≥ 15MPa
  • Adhesion (shear tensile strength) ASTM F1044: ≥ 15 MPa
  • Ca/P ratio: 1.61–1.76
  • Degree of crystallinity of HA phase:  ≥ 45 %
  • Crystalline phases: 
    • HA: 50 w%
    • a-TCP, ß-TCP, TTCP: ≤ 30 w%
    • CaO: ≤ 5 w%

Another calcium phosphate layer that we offer:

BONIT

BONIT®

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

Phone: +49 381- 4 03 35-0