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Cancellous constructs, cartilage particles and combinations of cancellous constructs and cartilage particles


Title: Cancellous constructs, cartilage particles and combinations of cancellous constructs and cartilage particles.
Abstract: Constructs that are at least partially constructed of allograft cancellous bone are disclosed, along with cartilage particles that may be used with the constructs for repairing articular cartilage defects. A multi-piece construct includes a base member, a cap member and at least one pin that secures the cap member to the base member. The base member may be constructed of mineralized cancellous bone, and is used to replace the subchondral bone removed when a surgeon cuts a bore in the area of an adjacent cartilage defect. The base member includes a blind bore and first and second through-going transverse bores in opposite sides of a wall of the base member. The cap member includes an upper section that has a thickness that is similar to that of a patient's surrounding articular cartilage layer and a stem depending from the upper section that is dimensioned to be received in and by the blind bore of the base member. The stem includes a transverse through-going bore, which may be aligned with the transverse through-going bores of the base member to receive the pin therein when the construct has been assembled. The cap member is at least partially formed of demineralized allograft cancellous bone, into which a mixture containing lyophilized, freeze-milled allograft cartilage particles may be infused for the repair of articular cartilage defects. The cartilage particles have a size within a range of from about 10 microns to about 210 microns. ...
USPTO Applicaton #: #20090319045
Inventors: Katherine G. Truncale, Eric J. Semler, Arthur A. Gertzman, Moon Hae Sunwoo, William W. Tomford, Roman Shikhanovich, Alex B. Callahan, Judith I. Yannariello-brown, Morris L. Jacobs, John C. Munson, Yen-chen Huang



The Patent Description & Claims data below is from USPTO Patent Application 20090319045, Cancellous constructs, cartilage particles and combinations of cancellous constructs and cartilage particles.




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Helicoil interference fixation system for attaching a graft ligament to a bone
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Hyoid suspension for obstructive sleep apnea
Industry Class:
Prosthesis (i.e., artificial body members), parts thereof, or aids and accessories therefor
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stats Patent Info
Application #
US 20090319045 A1
Publish Date
12/24/2009
Document #
12381072
File Date
03/05/2009
USPTO Class
623 1611
Other USPTO Classes
623 2373
International Class
/
Drawings
35


Your Message Here(14K)


Allograft
Articular Cartilage
Blind
Cartilage
Defect
Defects
Graft
Infuse
Lyophilize
Micron
Opposite Side
Surge
Surgeon
Transverse


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Prosthesis (i.e., Artificial Body Members), Parts Thereof, Or Aids And Accessories Therefor   Implantable Prosthesis   Bone  

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