Anterior lumbar cage and inserter device
US-2024033090-A1 · Feb 1, 2024 · US
Prosthesis with surfaces having different textures and method of making the prosthesis
US9101476B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9101476-B2 |
| Application number | US-90457810-A |
| Country | US |
| Kind code | B2 |
| Filing date | Oct 14, 2010 |
| Priority date | May 21, 2009 |
| Publication date | Aug 11, 2015 |
| Grant date | Aug 11, 2015 |
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Abstract
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A joint prosthesis system is suitable for cementless fixation. The system has two metal implant components and a bearing. One of the metal implant components has an articulation surface for articulation with the bearing. The other metal implant component has a mounting surface for supporting the bearing. One of the metal implant components includes a solid metal portion and a porous metal portion. The porous metal portion has surfaces with different characteristics, such as roughness, to improve bone fixation, ease removal of the implant component in a revision surgery, reduce soft tissue irritation, improve the strength of a sintered bond between the solid and porous metal portions, or reduce or eliminate the possibility of blood traveling through the porous metal portion into the joint space. A method of making the joint prosthesis is also disclosed. The invention may also be applied to discrete porous metal implant components, such as augment.
First claim
Opening claim text (preview).
We claim: 1. An orthopaedic implant component comprising a porous metal body having an exposed bone-engaging surface and a second exposed surface extending from the exposed bone-engaging surface, the porous metal body having a central longitudinal axis intersecting the second exposed surface and centered between opposite portions of the exposed bone-engaging surface, wherein the exposed bone-engaging surface has a static coefficient of friction and the second exposed surface has a…
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Operations & Transport · mapped topic
Human Necessities · mapped topic
Chemistry & Metallurgy · mapped topic
Human Necessities · mapped topic
Human Necessities · mapped topic
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- What does patent US9101476B2 cover?
- A joint prosthesis system is suitable for cementless fixation. The system has two metal implant components and a bearing. One of the metal implant components has an articulation surface for articulation with the bearing. The other metal implant component has a mounting surface for supporting the bearing. One of the metal implant components includes a solid metal portion and a porous metal porti…
- Who is the assignee on this patent?
- Deruntz Stephanie M, Deffenbaugh Daren L, Liu Hengda D, and 5 more
- What technology area does this patent fall under?
- Primary CPC classification A61F2/30734. Mapped technology areas include Human Necessities.
- When was this patent published?
- Publication date Tue Aug 11 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).