Circular stapler with an automatic safety mechanism
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United States of America Patent
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-
Mar 8, 2011
Grant Date -
Mar 11, 2010
app pub date -
Nov 15, 2006
filing date -
Dec 14, 2005
priority date (Note) -
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Abstract
A circular stapler with an automatic safety mechanism comprises a stapler body, a stapler head, an actuating mechanism and a transmission adjusting mechanism; wherein the actuating mechanism comprises a handle and a handle coat, the transmission adjusting mechanism comprises a screw rod and an adjusting knob; a stopper is disposed either inside said handle or said handle coat; a safety rod and a pulling sheet are further provided, the safety rod has a safety block on one end and has a protruding block and a pin hole as its middle portion, a cylindrical pin is inserted into the pin hole so as to get the safety rod to be pivotally connected with the stapler body; the pulling sheet has a rear portion mounted on the screw rod and has a pulling hook at its front portion, the pulling hook hooks with the protruding block.
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