公开(公告)号：US4158684A

公开(公告)日：1979-06-19

申请号：US750087

申请日：1976-12-13

Applicant: Jerome J. Klawitter ,  Nazir A. Bhatti

Inventor： Jerome J. Klawitter ,  Nazir A. Bhatti

IPC: A61F2/00 ,  A61F2/30 ,  A61F2/38 ,  B32B18/00 ,  C04B35/111 ,  C04B38/06 ,  C04B33/34

CPC classification number: B32B18/00 ,  A61F2/30767 ,  A61F2/389 ,  C04B35/111 ,  C04B38/0615 ,  A61F2002/30006 ,  A61F2002/30011 ,  A61F2002/30013 ,  A61F2002/30929 ,  A61F2002/30971 ,  A61F2002/3895 ,  A61F2250/0015 ,  A61F2250/0023 ,  A61F2250/0024 ,  A61F2310/00203 ,  A61F2310/00604 ,  C04B2235/6567 ,  C04B2237/064 ,  C04B2237/343 ,  C04B2237/52 ,  C04B2237/586 ,  C04B2237/704 ,  C04B2237/76 ,  Y10S623/923

Abstract: A method for fabricating a ceramic prosthesis of high aluminum oxide suite for the tibial plateau of a knee joint with the superior (upper) portion of the prosthesis being of a high density Al.sub.2 O.sub.3 having a very low porosity and the inferior (lower) portion being of high density Al.sub.2 O.sub.3 having a high degree of porosity capable of accepting bone growth. The method of fabricating the prosthesis comprises mixing a powdered batch of high aluminum oxide material to produce a viscous slip, adding a foaming agent to the slip, adding a catalyst to the slip to decompose the foaming agent, infiltrating the slip into a sponge, drying the composite, producing a planar surface on the porous layer, fabricating a second denser layer, placing a slurry between the two layers, drying and sintering the laminate.

Abstract translation: 一种用于制造适合于膝关节胫骨平台的高氧化铝陶瓷假体的方法，所述假体的上（上）部分具有非常低孔隙率的高密度Al 2 O 3，而下（下）部分为 具有能够接受骨生长的高孔隙率的高密度Al 2 O 3。 制造假体的方法包括将粉末状高铝氧化物材料混合以产生粘性滑动剂，向滑移剂中加入发泡剂，向滑移剂中加入催化剂以分解发泡剂，将滑移物浸入海绵中，干燥 所述复合材料在所述多孔层上产生平坦表面，制造第二致密层，将浆料放置在所述两层之间，干燥和烧结所述层压体。

公开(公告)号：US4000525A

公开(公告)日：1977-01-04

申请号：US606630

申请日：1975-08-21

Applicant: Jerome J. Klawitter ,  Nazir A. Bhatti

Inventor： Jerome J. Klawitter ,  Nazir A. Bhatti

IPC: A61F2/00 ,  A61F2/30 ,  A61F2/38 ,  B32B18/00 ,  C04B35/111 ,  C04B38/06 ,  A61F1/24

CPC classification number: A61F2/389 ,  A61F2/30767 ,  B32B18/00 ,  C04B35/111 ,  C04B38/0615 ,  A61F2002/30013 ,  A61F2002/30971 ,  A61F2002/3895 ,  A61F2250/0024 ,  A61F2310/00203 ,  A61F2310/00604 ,  C04B2235/6567 ,  C04B2237/343 ,  C04B2237/586

Abstract: A ceramic prosthesis of high aluminum oxide suitable for the tibial plateau of a knee joint with the superior (upper) portion of the prosthesis being of a high density AL.sub.2 O.sub.3 having a very low porosity and the inferior (lower) portion being of high density AL.sub.2 O.sub.3 having a high degree of porosity capable of accepting bone growth.

Abstract translation: 一种适用于膝关节胫骨平台的高氧化铝陶瓷假体，假体的上（上）部分是具有非常低孔隙率的高密度AL 2 O 3，而较低（较低）部分具有高密度AL 2 O 3， 能够接受骨生长的高孔隙率。