AXIAL SHARP NEEDLE REENTRY DEVICE

A catheter, such as for use for total occlusion crossing and lumen reentry, incorporate a retractable long flexible nitinol curved needle at the catheter distal end. The needle is straight when withdrawn inside the catheter. When pushed forward, the needle is deployed by protruding axially out, dire...

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Bibliographische Detailangaben
Hauptverfasser:	PESIS, Yossi, MATZKIN, Avraham, ROTTENBERG, Dan
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROMTHE BODY HUMAN NECESSITIES HYGIENE MEDICAL OR VETERINARY SCIENCE
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Beschreibung
Zusammenfassung:	A catheter, such as for use for total occlusion crossing and lumen reentry, incorporate a retractable long flexible nitinol curved needle at the catheter distal end. The needle is straight when withdrawn inside the catheter. When pushed forward, the needle is deployed by protruding axially out, directly from the distal tip, through a mechanism used to direct the curved needle into a specific radial direction. When pushed forward, the needle restores its curved shape and can penetrate the plaque or the media and intimal layers to reenter the true lumen.