DEPUY INTERNATIONAL FRAMEWORK

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• Pevra DePuy ??????? ???????? ? 1895 ? ? Warsaw,
  Indiana
• 1979 -?????? ? ???? ??????? ???
  ????????????? ???????? ?????????????? ???????
• 1984 - ?????? ? ???? ??????? ??????????????????
  ????????? ??????? ? ?????????????? ?????????
• 1998 - Johnson Johnson ??????????? DePuy ?? 3,5
  ????. ? ?????????? ? JJ Orthopedics ??? ?????
  ????????? DePuy, a Johnson Johnson company

• Orthopedics
• Trauma
• Sport Care
• Spine

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1998 Global Hip Market Share

Global 1,949M
Does not include Canada and Latin America
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International Knee Market 1999
Market Value 770 Million
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The LCS Knee System
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The LCS Knee System
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AML ? Elite
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CEMENTED STEM PHILOSOPHIES COLLARLESS
COLLARED Cement Mantle Thin
Thick Tapered
Polished MÜLLER CHARNLEY
LING HARRIS
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MULLER (SULZER)

• Collarless Straight Design
• Dual fixation through self locking by taper
  wedging
• The Thin Cement Mantle (less than 1 mm) is
  acting as filler
• 32 mm Head
• 14/16 Taper

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CHARNLEY (DE PUY)

• Collarless Straight Design
• Thick Cement Mantle
• Smooth non-polished finish (Vaquasheen)
• Undercut Flange
• Reduced Diameter Neck
• Small (22.225 mm) Head

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LING (HOWMEDICA, EXETER)

• Collarless Double Tapered Design with
• Highly Polished Surface allowing subsidence in
  the
• Thick Cement Mantle with no abrasion on the stem
  cement interface.

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HARRIS (ZIMMER)

• Collared Straight Design to provide
• Calcar Loading on the proximal femur.
• The collar will also prevent or reduce sinking of
  the stem due to this contact.

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Bone LoadingCollarless/Collared Load Transfer

• Complete seating
• Even load distribution
• Hoop Stresses
• Better Rotational Stability
• Allows sinking

• Collar prevents firm seating
• Axial stability
• Direct loading on the calcar
• Distal Stress shielding
• No sinking

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Cement Mantle

• The design includes the configuration of the
  cement mantle itself.

Muller Charnley Ling Harris