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ratchet
(redirected from ratchets)

    Also found in: Dictionary/thesaurus, Encyclopedia, Wikipedia 0.01 sec.
ratchet
a steplocking device on surgical instruments. As the handles are closed the jaws are also closed and the ratchet holds them in a locked position. The ratchet consists of a notched bar on each handle, the notches facing and overriding when the handles are closed.
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What makes these adjustments possible to perform are the headrests'' ratchets or claws.
Four Tips for Your Patio Furniture Repair.. by bilal shaikh / Business community
Although a company engineering order stated that no validation was needed because the firm visually inspected the formed ratchets during production, FDA found the justification not adequate because it does not explain whether the visual inspection can detect microcracks and other defects in the distal end of the ratchet, and thus prevent occurrences of ratchet slippage in catheter impeding stent deployment in patients.
Validation procedures lacking at IDev Technologies by Mashaw, Rebecca / Validation Times
Big changes like changeable bits, reversible shafts, and ratchets contained in small handles are not true improvements.
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