VARIABLE EXPOSURE NEEDLE

A system for accessing a biliary duct includes an access cannula and a needle. The cannula extends along a longitudinal axis from a proximal end to a distal end and includes a channel extending longitudinally therethrough. A distal portion of the cannula includes a laser cut pattern including slots...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	ROMANY, Cristina, GAVALIS, Robb Morse, THOMSON, Perry
Format:	Patent
Sprache:	eng
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 DIAGNOSIS HUMAN NECESSITIES HYGIENE IDENTIFICATION MEDICAL OR VETERINARY SCIENCE SURGERY
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Beschreibung
Zusammenfassung:	A system for accessing a biliary duct includes an access cannula and a needle. The cannula extends along a longitudinal axis from a proximal end to a distal end and includes a channel extending longitudinally therethrough. A distal portion of the cannula includes a laser cut pattern including slots extending through a wall thereof so that the cannula is movable between a biased non-compressed configuration and a compressed configuration, in which the cannula is compressed along the longitudinal axis. The needle extends longitudinally from a proximal end to a sharp distal end. The needle is housed within the channel so that, when the cannula is in the non-compressed configuration, the sharp distal end is covered via the cannula and, when the cannula is in the compressed configuration, the sharp distal end is exposed to puncture a wall of one of an organ and a target duct.