LUCAS® 2 Chest Compression System – Service Manual
3323809-001, © 2017 Physio-Control, Inc.
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3.2. Compression Mechanism
The Drive Belt, driven by the Electrical Motor, drives the Carry Ball screw, forcing the carry
ball nut up and down.
The nut is fitted to a piston that moves the suction cup piston up and down.
The Decompression Spring reduces the upstroke force
The Suction Cup is adjusted to the patients’ chest with a servo aid system. It
can easily be
replaced with respect to hygiene.
Figure 3.2-1: Schematic picture of the
Compression Mechanism
of LUCAS
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