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Electrochemical coupling of metallic biomaterial implants for biological effect
US9039764B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9039764-B2 |
| Application number | US-53444309-A |
| Country | US |
| Kind code | B2 |
| Filing date | Aug 3, 2009 |
| Priority date | Aug 3, 2009 |
| Publication date | May 26, 2015 |
| Grant date | May 26, 2015 |
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Abstract
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The invention discloses a novel method of controlling the open circuit potential (OCP) of a medical implant by coupling it with small amounts of metals having a lower OCP than the implant. Coupling of Mg to less than 1% of the surface area of a titanium implant is shown to induce cathodic polarization of the titanium that inhibits cell proliferation at the surface of the implant. Mg—Ti coupling in medical devices promises to attenuate or eliminate potential complications of surgery such as peri-implantitis and bacterial infections at the site of implantation.
First claim
Opening claim text (preview).
What is claimed is: 1. A medical implant, comprising: a biocompatible material forming a surface for said implant; a metal having a cathodic electrochemical potential embedded in the biocompatible material and inducing a cathodic electrochemical potential at the surface of said implant relative to said biocompatible material in the absence of said metal. 2. The medical implant of claim 1 , wherein said metal having a cathodic electrochemical potential comp…
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Human Necessities · mapped topic
Human Necessities · mapped topic
Human Necessities · mapped topic
Human Necessities · mapped topic
- A61F2/30767Primary
Human Necessities · mapped topic
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- What does patent US9039764B2 cover?
- The invention discloses a novel method of controlling the open circuit potential (OCP) of a medical implant by coupling it with small amounts of metals having a lower OCP than the implant. Coupling of Mg to less than 1% of the surface area of a titanium implant is shown to induce cathodic polarization of the titanium that inhibits cell proliferation at the surface of the implant. Mg—Ti coupling…
- Who is the assignee on this patent?
- Gilbert Jeremy L, Univ Syracuse
- What technology area does this patent fall under?
- Primary CPC classification A61F2/30767. Mapped technology areas include Human Necessities.
- When was this patent published?
- Publication date Tue May 26 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).