Joint prosthesis having PTFE cushion

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 5507823
SERIAL NO

08306725

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A joint prosthesis for interconnecting the ends of adjoining bones includes a cushion of expanded PTFE having at least two facets for attachment to the bones. The cushion may or may not include stems for insertion into the bones. An optional sheath surrounds the non-facet surfaces of the cushion for preventing adherence of tissue. The motion of the prosthesis is defined or limited by the orientation of the facets and/or by the porosity of the cushion and/or by an insert within the cushion.

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First Claim

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Haas, Lawrence M 5468 Gleneagles Dr., Tucson, AZ 85718 3 330
Walston, D Kenneth 10225 Placita Cresta Feliz, Tucson, AZ 85749 4 338

Cited Art Landscape

Patent Info (Count) # Cites Year
 
Medevelop AB (1)
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Other [Check patent profile for assignment information] (1)
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STRYKER CORPORATION (1)
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INSTITUTET FOR TILLAMPAD BIOTEKNOLOGT (1)
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ZIMMER GMBH (1)
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W. L. GORE & ASSOCIATES, INC. (3)
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TRANQUIL PROSPECTS LTD. (1)
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* Cited By Examiner

Patent Citation Ranking

Forward Cite Landscape

Patent Info (Count) # Cites Year
 
BIONX IMPLANTS OY (3)
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Other [Check patent profile for assignment information] (8)
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DEPUY SYNTHES PRODUCTS, LLC (2)
8968365 Interspinous spacer 1 2008
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7993366 Self-tensioning vascular occlusion device and method for its use 2 2004
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FACET SOLUTIONS, INC. (23)
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GMEDELAWARE 2 LLC (17)
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* 2006/0149,375 Prostheses, Tools And Methods For Replacement Of Natural Facet Joints With Artificial Facet Joint Surfaces 89 2006
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* 2007/0282,445 FACET ARTHROPLASTY DEVICES AND METHODS 28 2007
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8663293 Systems and methods for facet joint treatment 3 2011
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9314277 Systems and methods for facet joint treatment 6 2013
 
ACTIVE IMPLANTS CORPORATION (10)
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7758653 Implants 31 2003
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ZIMMER SPINE, INC. (1)
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GLOBUS MEDICAL, INC. (49)
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8409254 Prostheses, tools and methods for replacement of natural facet joints with artificial facet joint surfaces 0 2008
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BIOCON OY (2)
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LIMBER LTD. (1)
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SYNTHES USA, LLC (2)
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* Cited By Examiner