INTRAVASCULAR DRUG ELUTION-TYPE CATHETER
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United States of America Patent
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Issued Date -
May 9, 2013
app pub date -
Jul 21, 2011
filing date -
Jul 23, 2010
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
When the intravascular drug elution-type catheter is inserted into a blood vessel, the elastically deformable portion is formed into a deflated shape and accommodated in the first lumen of the catheter body. When the top end side of the catheter body reaches near a damaged blood vessel wall, the shaft is inserted into the catheter body, the elastically deformable portion is pushed out from the first lumen of the catheter body to elastically return to an inflated shape from the deflated shape, and then the drug holding film presses the blood vessel wall. Thus, the drug eluted from the drug holding film can be infiltrated into the blood vessel wall, The state where the drug holding film is pressed against the blood vessel wall can be maintained without blocking the blood flow toward the peripheral side.
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