SINTERED MOULDED BODY
A sintered molded body consisting of a material that contains aluminum oxide with chromium doping, zirconium oxide with Y-stabilization and strontium aluminates with variable Cr-doping, which is particularly suitable for medical applications.
1 - 7 . (canceled)
8 . A sintered molding comprising 70 to 90 parts by volume aluminium oxide with chromium doping (Al 2 O 3 :Cr), 12 to 22 parts by volume zirconium oxide with Y stabilisation (ZrO 2 :Y) and 1 to 5 parts by volume strontium aluminate having the formula SrAl 12-x Cr x O 19 with variable Cr doping.
9 . A sintered molding according to claim 8 , wherein the components zirconium oxide and strontium aluminate are embedded in the aluminium oxide matrix.
10 . A sintered molding according to claim 8 , wherein the strontium aluminate is present in the form of plate-like crystallites, platelets.
11 . A sintered molding according to claim 8 , wherein the material is additionally interspersed with whiskers, fibers, net-like structures or woven fabrics made of suitable materials.
12 . A medical device comprising the sintered molding according to claim 8 .
13 . An orthosis and endoprosthesis comprising the sintered molding of claim 8 .
14 . A hip or knee joint implant comprising the sintered molding of claim 8 .
15 . A sintered molding according to claim 9 , wherein the strontium aluminate is present in the form of plate-like crystallites, platelets.
16 . A sintered molding according to claim 9 , wherein the material is additionally interspersed with whiskers, fibers, net-like structures or woven fabrics made of suitable materials.
17 . A medical device comprising the sintered molding according to claim 9 .
18 . An orthosis and endoprosthesis comprising the sintered molding of claim 9 .
19 . A hip or knee joint implant comprising the sintered molding of claim 9 .
20 . A sintered molding according to claim 10 , wherein the material is additionally interspersed with whiskers, fibers, net-like structures or woven fabrics made of suitable materials.
21 . A medical device comprising the sintered molding according to claim 10 .
22 . An orthosis and endoprosthesis comprising the sintered molding of claim 9 .
23 . A hip or knee joint implant comprising the sintered molding of claim 9 .
24 . A sintered molding according to claim 10 , wherein the material is additionally interspersed with whiskers, fibers, net-like structures or woven fabrics made of suitable materials.
25 . A medical device comprising the sintered molding according to claim 10 .
26 . An orthosis and endoprosthesis comprising the sintered molding of claim 10 .
27 . A hip or knee joint implant comprising the sintered molding of claim 10 .