Large-diameter introducer sheath having hemostasis valve

A catheter introducing system (10) includes an introducer catheter (12) comprising a flexible sheath (16) having a hemostasis valve (18) and an obturator (14) having a steering mechanism operated by a proximal actuator handle (22). The catheter introducer system will usually be introduced with the o...

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Bibliographische Detailangaben
Hauptverfasser:	KIM, STEVEN W, FREISLINGER, KIRSTEN, HERMAN, GEORGE D, EVANS, MICHAEL A, LENKER, JAY A
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BANDAGES, DRESSINGS OR ABSORBENT PADS 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 DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF,TUBULAR STRUCTURES OF THE BODY, E.G. STENTS DIAGNOSIS FILTERS IMPLANTABLE INTO BLOOD VESSELS FIRST-AID KITS FOMENTATION HUMAN NECESSITIES HYGIENE IDENTIFICATION MEDICAL OR VETERINARY SCIENCE ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES PROSTHESES SURGERY TREATMENT OR PROTECTION OF EYES OR EARS
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Beschreibung
Zusammenfassung:	A catheter introducing system (10) includes an introducer catheter (12) comprising a flexible sheath (16) having a hemostasis valve (18) and an obturator (14) having a steering mechanism operated by a proximal actuator handle (22). The catheter introducer system will usually be introduced with the obturator inside of the flexible sheath so that the obturator can effect steering by laterally deflecting the distal end of the combined sheath and obturator. Such catheter introducing systems are particularly useful for large diameter sheaths which are not readily introduced over guide wires. A first exemplary hemostasis valve comprises a compressed foam insert having an axial lumen therein. A second exemplary hemostasis valve comprises an elastomeric insert which receives and seals over the catheter.