The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Aug. 29, 2017

Filed:

Jul. 16, 2007
Applicants:

Silvia S. Chen, Derwood, MD (US);

Xiaofei Qin, Virginia Beach, VA (US);

Jingsong Chen, Virginia Beach, VA (US);

Lloyd Wolfinbarger, Jr., Norfolk, VA (US);

Inventors:

Silvia S. Chen, Derwood, MD (US);

Xiaofei Qin, Virginia Beach, VA (US);

Jingsong Chen, Virginia Beach, VA (US);

Lloyd Wolfinbarger, Jr., Norfolk, VA (US);

Assignee:

Lifenet Health, Virginia Beach, VA (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61F 2/28 (2006.01); A61F 2/30 (2006.01); A61B 17/16 (2006.01); A61F 2/46 (2006.01); A61L 27/36 (2006.01); A61L 27/38 (2006.01); A61F 2/38 (2006.01);
U.S. Cl.
CPC ...
A61F 2/30756 (2013.01); A61B 17/1604 (2013.01); A61B 17/1635 (2013.01); A61F 2/28 (2013.01); A61F 2/30749 (2013.01); A61F 2/4644 (2013.01); A61L 27/3612 (2013.01); A61L 27/3654 (2013.01); A61L 27/3683 (2013.01); A61L 27/3804 (2013.01); A61B 17/1675 (2013.01); A61F 2/3094 (2013.01); A61F 2/38 (2013.01); A61F 2/3859 (2013.01); A61F 2002/2817 (2013.01); A61F 2002/2839 (2013.01); A61F 2002/30004 (2013.01); A61F 2002/30224 (2013.01); A61F 2002/30235 (2013.01); A61F 2002/30751 (2013.01); A61F 2002/30759 (2013.01); A61F 2002/30762 (2013.01); A61F 2002/30764 (2013.01); A61F 2002/4646 (2013.01); A61F 2002/4648 (2013.01); A61F 2002/4649 (2013.01); A61F 2230/0069 (2013.01); A61F 2250/0014 (2013.01); A61L 2430/06 (2013.01);
Abstract

The invention is directed to producing a shaped cartilage matrix isolated from a human or animal where the cartilage has been crafted to facilitate disinfection, cleaning, devitalization, recellularization, and/or integration after implantation. The invention relates to a process for repairing a cartilage defect and implantation of a cartilage graft into a human or animal by crafting the cartilage matrix into individual grafts, disinfecting and cleaning the cartilage graft, applying a pretreatment solution to the cartilage graft, removing cellular debris using an extracting solution to produce a devitalized cartilage graft, implanting the cartilage graft into the cartilage defect with or without an insertion device, and sealing the implanted cartilage graft with recipient tissue. The devitalized cartilage graft is optionally recellularized in vitro, in vivo, or in situ with viable cells to render the tissue vital before or after the implantation. The devitalized cartilage graft is also optionally stored between the removing cellular debris and the recellularizing steps.


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