公开(公告)号：US09776246B2

公开(公告)日：2017-10-03

申请号：US14553343

申请日：2014-11-25

Applicant: Howmedica Osteonics Corp.

Inventor： Daniel E. Lawrynowicz ,  Aiguo Wang ,  Zongtao Zhang ,  Haitong Zeng

IPC: B22F3/115 ,  B22F3/08 ,  C23C4/00 ,  C23C4/04 ,  C23C4/06 ,  C23C4/067 ,  C23C4/10 ,  C23C4/12 ,  C23C4/123 ,  C23C4/126 ,  C23C4/129 ,  C23C4/131 ,  C23C4/134 ,  C23C4/137 ,  B22F9/08 ,  A61L27/42 ,  B22D23/00 ,  B22F1/00 ,  C22C32/00 ,  A61F2/02

CPC classification number: B22F9/082 ,  A61F2/02 ,  A61L27/427 ,  B22D23/00 ,  B22F1/0007 ,  B22F2009/0848 ,  B22F2302/10 ,  C22C32/0052

Abstract: A method of fabricating a material having a high concentration of a carbide constituent. The method may comprise adding a carbide source to a biocompatible material in which a weight of the carbide source is at least approximately 10% of the total weight, heating the carbide source and the biocompatible material to a predetermined temperature to melt the biocompatible material and allow the carbide source to go into solution to form a molten homogeneous solution, and impinging the molten homogeneous solution with a high pressure fluid to form spray atomized powder having carbide particles. The size of a particle of carbide in the atomized powder may be approximately 900 nanometers or less. The biocompatible material may be cobalt chrome, the carbide source may be graphite, and the fluid may be a gas or a liquid.

公开(公告)号：US09763791B2

公开(公告)日：2017-09-19

申请号：US13760449

申请日：2013-02-06

Applicant: Howmedica Osteonics Corp.

Inventor： Daniel E. Lawrynowicz ,  Haitong Zeng ,  Zongtao Zhang ,  Aiguo Wang ,  Keenan Michael Hanson

IPC: A61F2/36 ,  A61F2/30

CPC classification number: A61F2/3609 ,  A61F2/30767 ,  A61F2002/30051 ,  A61F2002/30107 ,  A61F2002/30332 ,  A61F2002/30973 ,  A61F2002/3611

Abstract: A prosthetic head for a femoral component has a metal shell with a tapered cavity. The shell has a part-spherical outer surface defining an inner portion terminating in an open end. A polymeric material completely fills the inner portion of the hollow shell extending from an inner surface of the shell to the open end. The polymeric material includes a conically tapered socket centered about the polar axis intermediate ends of the open end wherein the shell is a hollow titanium shell having an inner surface with a porous structure for receiving a portion of the polymeric material. The hollow titanium shell inner surface has at least one rib extending inwardly toward the conically tapered socket.

公开(公告)号：US20140222158A1

公开(公告)日：2014-08-07

申请号：US13760449

申请日：2013-02-06

Applicant: Howmedica Osteonics Corp.

Inventor： Daniel E. Lawrynowicz ,  Haitong Zeng ,  Zongtao Zhang ,  Aiguo Wang ,  Keenan Michael Hanson

IPC: A61F2/36

CPC classification number: A61F2/3609 ,  A61F2/30767 ,  A61F2002/30051 ,  A61F2002/30107 ,  A61F2002/30332 ,  A61F2002/30973 ,  A61F2002/3611

Abstract: A prosthetic head for a femoral component has a metal shell with a tapered cavity. The shell has a part-spherical outer surface defining an inner portion terminating in an open end. A polymeric material completely fills the inner portion of the hollow shell extending from an inner surface of the shell to the open end. The polymeric material includes a conically tapered socket centered about the polar axis intermediate ends of the open end wherein the shell is a hollow titanium shell having an inner surface with a porous structure for receiving a portion of the polymeric material. The hollow titanium shell inner surface has at least one rib extending inwardly toward the conically tapered socket.

Abstract translation: 用于股骨部件的假体头具有具有锥形腔的金属壳。 壳体具有限定终止于开口端的内部部分的球形外表面。 聚合物材料完全填充从壳体的内表面延伸到开口端的中空壳体的内部。 聚合物材料包括以开口端的极轴中心端为中心的圆锥形插座，其中壳体是中空钛壳体，其具有用于容纳聚合物材料的一部分的多孔结构的内表面。 中空的钛壳内表面具有至少一个朝着锥形锥形插座向内延伸的肋。

公开(公告)号：US20150068362A1

公开(公告)日：2015-03-12

申请号：US14553343

申请日：2014-11-25

Applicant: Howmedica Osteonics Corp.

Inventor： Daniel E. Lawrynowicz ,  Aiguo Wang ,  Zongtao Zhang ,  Haitong Zeng

IPC: B22F9/08 ,  C22C32/00 ,  B22F1/00

CPC classification number: B22F9/082 ,  A61F2/02 ,  A61L27/427 ,  B22D23/00 ,  B22F1/0007 ,  B22F2009/0848 ,  B22F2302/10 ,  C22C32/0052

Abstract: A method of fabricating a material having a high concentration of a carbide constituent. The method may comprise adding a carbide source to a biocompatible material in which a weight of the carbide source is at least approximately 10% of the total weight, heating the carbide source and the biocompatible material to a predetermined temperature to melt the biocompatible material and allow the carbide source to go into solution to form a molten homogeneous solution, and impinging the molten homogeneous solution with a high pressure fluid to form spray atomized powder having carbide particles. The size of a particle of carbide in the atomized powder may be approximately 900 nanometers or less. The biocompatible material may be cobalt chrome, the carbide source may be graphite, and the fluid may be a gas or a liquid.

Abstract translation: 一种制造具有高浓度碳化物组分的材料的方法。 该方法可以包括将碳化物源添加到生物相容性材料中，其中碳化物源的重量为总重量的至少约10％，将碳化物源和生物相容性材料加热到预定温度以熔化生物相容性材料并允许 碳化物源进入溶液以形成熔融均匀溶液，并用高压流体冲击熔融的均匀溶液以形成具有碳化物颗粒的喷雾雾化粉末。 雾化粉末中的碳化物颗粒的尺寸可以为约900纳米或更小。 生物相容性材料可以是钴铬，碳化物源可以是石墨，并且流体可以是气体或液体。