Pevra DePuy основал компанию в 1895 г в Warsaw, Indiana Первая в мире система для биологическойфиксации тазобедренного сустава Первая в мире система эндопротезирования коленного сустава с распределенной нагрузкой Johnson & Johnson приобретает DePuy за 3,5 млрд. и объединяет с J&J Orthopedics под общим названием DePuy, a Johnson & Johnson company Orthopedics Trauma Sport Care Spine

1998 Global Hip Market Share Does not include Canada and Latin America $ Global $1,949M

International Knee Market – 1999 Market Value: $ 770 Million

The LCS Knee System

AML® и Elite

CEMENTED STEM PHILOSOPHIES COLLARLESS COLLARED Cement Mantle Thin Thick Tapered Polished MÜLLER CHARNLEY LINGHARRIS

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

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

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.

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.

Bone Loading Collarless/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

Muller CharnleyLing Harris Cement Mantle The design includes the configuration of the cement mantle itself.