Four compartment knee
A femoral knee implant (1) includes a fourth compartment of articulation. The superior posterior articulating surface is achieved by first increasing the thickness of the superior posterior condylar portion of the femoral component to widen the superior posterior edge of the posterior condyle (6). S...
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| creator | HELDRETH, MARK ZAWADSKI, STEVE HORI, ROY YOSHIKAZU INSALL, JOHN OHKUNI, KYOKO ROHR, WILLIAM WEBSTER, VINCE BECKMAN, AUDREY |
| description | A femoral knee implant (1) includes a fourth compartment of articulation. The superior posterior articulating surface is achieved by first increasing the thickness of the superior posterior condylar portion of the femoral component to widen the superior posterior edge of the posterior condyle (6). Second, the newly created surface at the superior posterior condyle (7) is smoothly rounded to provide an articular surface with no sharp changes in the surface contours. In one embodiment, the fourth articular compartment of this invention is provided in a one piece femoral design. In another embodiment, it is provided as a modular addition to an existing prior art femoral component. In another embodiment, the fourth compartment is combined with a posterior stabilized (PS) TKR design that includes a tibial post and cooperating femoral cam characterized by low engagement of the cam on the spine. |
| format | Patent |
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The superior posterior articulating surface is achieved by first increasing the thickness of the superior posterior condylar portion of the femoral component to widen the superior posterior edge of the posterior condyle (6). Second, the newly created surface at the superior posterior condyle (7) is smoothly rounded to provide an articular surface with no sharp changes in the surface contours. In one embodiment, the fourth articular compartment of this invention is provided in a one piece femoral design. In another embodiment, it is provided as a modular addition to an existing prior art femoral component. In another embodiment, the fourth compartment is combined with a posterior stabilized (PS) TKR design that includes a tibial post and cooperating femoral cam characterized by low engagement of the cam on the spine.</description><edition>7</edition><language>eng ; fre ; ger</language><subject>BANDAGES, DRESSINGS OR ABSORBENT PADS ; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF,TUBULAR STRUCTURES OF THE BODY, E.G. STENTS ; FILTERS IMPLANTABLE INTO BLOOD VESSELS ; FIRST-AID KITS ; FOMENTATION ; HUMAN NECESSITIES ; HYGIENE ; MEDICAL OR VETERINARY SCIENCE ; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES ; PROSTHESES ; TREATMENT OR PROTECTION OF EYES OR EARS</subject><creationdate>2004</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20041222&DB=EPODOC&CC=EP&NR=0941719B1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20041222&DB=EPODOC&CC=EP&NR=0941719B1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>HELDRETH, MARK</creatorcontrib><creatorcontrib>ZAWADSKI, STEVE</creatorcontrib><creatorcontrib>HORI, ROY YOSHIKAZU</creatorcontrib><creatorcontrib>INSALL, JOHN</creatorcontrib><creatorcontrib>OHKUNI, KYOKO</creatorcontrib><creatorcontrib>ROHR, WILLIAM</creatorcontrib><creatorcontrib>WEBSTER, VINCE</creatorcontrib><creatorcontrib>BECKMAN, AUDREY</creatorcontrib><title>Four compartment knee</title><description>A femoral knee implant (1) includes a fourth compartment of articulation. The superior posterior articulating surface is achieved by first increasing the thickness of the superior posterior condylar portion of the femoral component to widen the superior posterior edge of the posterior condyle (6). Second, the newly created surface at the superior posterior condyle (7) is smoothly rounded to provide an articular surface with no sharp changes in the surface contours. In one embodiment, the fourth articular compartment of this invention is provided in a one piece femoral design. In another embodiment, it is provided as a modular addition to an existing prior art femoral component. In another embodiment, the fourth compartment is combined with a posterior stabilized (PS) TKR design that includes a tibial post and cooperating femoral cam characterized by low engagement of the cam on the spine.</description><subject>BANDAGES, DRESSINGS OR ABSORBENT PADS</subject><subject>DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF,TUBULAR STRUCTURES OF THE BODY, E.G. STENTS</subject><subject>FILTERS IMPLANTABLE INTO BLOOD VESSELS</subject><subject>FIRST-AID KITS</subject><subject>FOMENTATION</subject><subject>HUMAN NECESSITIES</subject><subject>HYGIENE</subject><subject>MEDICAL OR VETERINARY SCIENCE</subject><subject>ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES</subject><subject>PROSTHESES</subject><subject>TREATMENT OR PROTECTION OF EYES OR EARS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2004</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZBB1yy8tUkjOzy1ILCrJTc0rUcjOS03lYWBNS8wpTuWF0twMCm6uIc4euqkF-fGpxQWJyal5qSXxrgEGliaG5oaWTobGRCgBADpvIM0</recordid><startdate>20041222</startdate><enddate>20041222</enddate><creator>HELDRETH, MARK</creator><creator>ZAWADSKI, STEVE</creator><creator>HORI, ROY YOSHIKAZU</creator><creator>INSALL, JOHN</creator><creator>OHKUNI, KYOKO</creator><creator>ROHR, WILLIAM</creator><creator>WEBSTER, VINCE</creator><creator>BECKMAN, AUDREY</creator><scope>EVB</scope></search><sort><creationdate>20041222</creationdate><title>Four compartment knee</title><author>HELDRETH, MARK ; ZAWADSKI, STEVE ; HORI, ROY YOSHIKAZU ; INSALL, JOHN ; OHKUNI, KYOKO ; ROHR, WILLIAM ; WEBSTER, VINCE ; BECKMAN, AUDREY</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_EP0941719B13</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; fre ; ger</language><creationdate>2004</creationdate><topic>BANDAGES, DRESSINGS OR ABSORBENT PADS</topic><topic>DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF,TUBULAR STRUCTURES OF THE BODY, E.G. STENTS</topic><topic>FILTERS IMPLANTABLE INTO BLOOD VESSELS</topic><topic>FIRST-AID KITS</topic><topic>FOMENTATION</topic><topic>HUMAN NECESSITIES</topic><topic>HYGIENE</topic><topic>MEDICAL OR VETERINARY SCIENCE</topic><topic>ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES</topic><topic>PROSTHESES</topic><topic>TREATMENT OR PROTECTION OF EYES OR EARS</topic><toplevel>online_resources</toplevel><creatorcontrib>HELDRETH, MARK</creatorcontrib><creatorcontrib>ZAWADSKI, STEVE</creatorcontrib><creatorcontrib>HORI, ROY YOSHIKAZU</creatorcontrib><creatorcontrib>INSALL, JOHN</creatorcontrib><creatorcontrib>OHKUNI, KYOKO</creatorcontrib><creatorcontrib>ROHR, WILLIAM</creatorcontrib><creatorcontrib>WEBSTER, VINCE</creatorcontrib><creatorcontrib>BECKMAN, AUDREY</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>HELDRETH, MARK</au><au>ZAWADSKI, STEVE</au><au>HORI, ROY YOSHIKAZU</au><au>INSALL, JOHN</au><au>OHKUNI, KYOKO</au><au>ROHR, WILLIAM</au><au>WEBSTER, VINCE</au><au>BECKMAN, AUDREY</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Four compartment knee</title><date>2004-12-22</date><risdate>2004</risdate><abstract>A femoral knee implant (1) includes a fourth compartment of articulation. The superior posterior articulating surface is achieved by first increasing the thickness of the superior posterior condylar portion of the femoral component to widen the superior posterior edge of the posterior condyle (6). Second, the newly created surface at the superior posterior condyle (7) is smoothly rounded to provide an articular surface with no sharp changes in the surface contours. In one embodiment, the fourth articular compartment of this invention is provided in a one piece femoral design. In another embodiment, it is provided as a modular addition to an existing prior art femoral component. In another embodiment, the fourth compartment is combined with a posterior stabilized (PS) TKR design that includes a tibial post and cooperating femoral cam characterized by low engagement of the cam on the spine.</abstract><edition>7</edition><oa>free_for_read</oa></addata></record> |
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| language | eng ; fre ; ger |
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| subjects | BANDAGES, DRESSINGS OR ABSORBENT PADS DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF,TUBULAR STRUCTURES OF THE BODY, E.G. STENTS FILTERS IMPLANTABLE INTO BLOOD VESSELS FIRST-AID KITS FOMENTATION HUMAN NECESSITIES HYGIENE MEDICAL OR VETERINARY SCIENCE ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES PROSTHESES TREATMENT OR PROTECTION OF EYES OR EARS |
| title | Four compartment knee |
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