PLASTIC STENT AND STENT OPERATION APPARATUS FOR THE SAME
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United States of America Patent
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Issued Date -
Nov 17, 2011
app pub date -
Apr 27, 2011
filing date -
May 14, 2010
priority date (Note) -
Abandoned
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Abstract
Disclosed herein are a plastic stent and a stent operation apparatus for plastic stents. The plastic stent includes a stent body with a flow hole formed through the stent body in the longitudinal direction thereof. The stent operation apparatus includes a stent push rod having an externally threaded end. The stent body has an internal thread on the circumferential inner surface of the flow hole so that the internal thread engages with the externally threaded end of the stent push rod of the stent operation apparatus. The plastic stent is coupled to the stent push rod by the threaded engagement between the externally threaded end and the internal thread, is inserted into the body of a patient, is adjusted in location by pushing or pulling the stent push rod, and is released from the stent push rod at a correct location in the body of the patient by disengaging the threaded engagement.
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