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Methods for collagen processing and products using processed collagen
US9056151B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9056151-B2 |
| Application number | US-67397207-A |
| Country | US |
| Kind code | B2 |
| Filing date | Feb 12, 2007 |
| Priority date | Feb 12, 2007 |
| Publication date | Jun 16, 2015 |
| Grant date | Jun 16, 2015 |
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Abstract
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Purifying human derived collagen from human tissue includes treating harvested human tissue with an enzyme to form a collagen product, deactivating the enzyme with a non-alkaline enzyme deactivation solution, and collecting the collagen product resulting from the enzyme treatment, where the collected collagen product includes a preserved amount of its natural collagen constituents. Various medical implants can be formed using the isolated, enzymatically-treated human derived collagen having an amount of its natural collagen constituents preserved, and may include implantable sponges, patches, tubes, structural supports and coatings, and which may be used for repair, barrier, support and/or stabilization purposes.
First claim
Opening claim text (preview).
What is claimed is: 1. A medical implant comprising isolated, enzymatically-treated human derived collagen having a preserved amount of its natural collagen constituents, wherein the enzyme treatment comprises digesting the collagen with ficin and deactivating the ficin with a non-alkaline sodium chlorite solution to maintain growth factors and morphogenic proteins otherwise stripped away by exposure to an alkaline solution, wherein the collagen is lyophilized by exposing the colla…
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Human Necessities · mapped topic
Human Necessities · mapped topic
- A61L27/54Primary
Human Necessities · mapped topic
Human Necessities · mapped topic
Human Necessities · mapped topic
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Frequently asked questions
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- What does patent US9056151B2 cover?
- Purifying human derived collagen from human tissue includes treating harvested human tissue with an enzyme to form a collagen product, deactivating the enzyme with a non-alkaline enzyme deactivation solution, and collecting the collagen product resulting from the enzyme treatment, where the collected collagen product includes a preserved amount of its natural collagen constituents. Various medi…
- Who is the assignee on this patent?
- Lauritzen Nels J, Shimp Lawrence A, Warsaw Orthopedic Inc
- What technology area does this patent fall under?
- Primary CPC classification A61L27/54. Mapped technology areas include Human Necessities.
- When was this patent published?
- Publication date Tue Jun 16 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).