US Patent No: RE43714

Number of patents in Portfolio can not be more than 2000

Preparation for repairing cartilage defects or cartilage/bone defects in human or animal joints

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ATTORNEY / AGENT: (SPONSORED)
 

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Abstract

Repairs of cartilage defects or of cartilage/bone defects in human or animal joints with the help of devices including a bone part (1), a cartilage layer (2) and a subchondral bone plate (4) or an imitation of such a plate in the transition region between the cartilage layer (2) and the bone part (1). After implantation, the bone part (4) is resorbed and is replaced by reparative tissue only after being essentially totally resorbed. In a critical phase of the healing process, a mechanically inferior cyst is located in the place of the implanted bone part (1). In order to prevent the cartilage layer (2) from sinking into the cyst space during this critical phase of the healing process the device has a top part (11). and a bottom part (12), wherein the top part (11) consists essentially of the cartilage layer (2) and the subchondral bone plate (4) and the bottom part (12) corresponds essentially to the bone part (1) and wherein the top part (11) parallel to the subchondral bone plate (4) has a larger diameter than the bottom part (12). After implantation in a suitable opening or bore (20), the cartilage layer (2) and the subchondral bone plate (4) are supported not only on the bone part (1) but also on native bone tissue having a loading capacity not changing during the healing process. Therefore, the implanted cartilage layer cannot sink during the healing process.

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First Claim

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Patent Owner(s)

Patent OwnerAddressTotal Patents
ZIMMER ORTHOBIOLOGICS, INC.AUSTIN, TX35

International Classification(s)

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  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Akens, Margarete K - 1 1
Auer, Jorg Lenzburg, CH 2 17
Bittmann, Pedro Zurich, CH 6 120
Nadler, Daniel - 4 22
Von, Rechenberg Brigitte - 1 1

Cited Art

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Patent Citation Ranking

Forward Cites

Patent Info (Count) # Cites Year
 
ZIMMER, INC. (1)
8,435,305 Osteochondral graft delivery device and uses thereof 0 2010

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7.5 Year Payment $3600.00 $1800.00 $900.00 Apr 2, 2020
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