Dispensing instrument
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United States of America Patent
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Nov 10, 2015
Grant Date -
Aug 29, 2013
app pub date -
Apr 12, 2013
filing date -
Jun 23, 2008
priority date (Note) -
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Abstract
A delivery device for semi-solid implantable material such as synthetic bone graft substitutes. The device includes a handle, a cylinder extending from the handle and having an outlet at its distal end. A piston is operated by a trigger and is slidable within the cylinder to displace the material from the cylinder. The cylinder has a substantially constant inner diameter along its entire length such that the outlet has substantially the same inner diameter as the rest of the cylinder. When the trigger is fully depressed, a ratchet mechanism is disengaged allowing the piston to be pulled back to a starting position.
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