CEMENT CARTRIDGE DISPENSING DEVICE HAVING ROLLING CLAMPING BODIES
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United States of America Patent
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Issued Date -
May 26, 2016
app pub date -
Sep 30, 2015
filing date -
Sep 30, 2015
priority date (Note) -
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Abstract
Dispensing device for polymethylmethacrylate bone cements comprising a manually actuatable rocker lever, an adapter for a cement cartridge, a movable clamping rod, a propulsion body shiftable in axial direction of the clamping rod, at least one sphere-shaped or roller-shaped clamping body arranged in a cavity of the propulsion body, an elastic element pushing the clamping body onto an inclined surface or edge of the cavity of the propulsion body, a spring element which pushes on the at least one propulsion body opposite to the propulsion direction of the clamping rod, at least one securing element touching against the clamping rod, at least one sphere-shaped or roller-shaped clamping body arranged in a cavity of the securing element, an elastic element pushing the at least one clamping body of the securing element onto an inclined surface or edge of the cavity of the at least one securing element.
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