EXPANDABLE SHEATH AND METHODS OF USING THE SAME

Disclosed herein are expandable introducer sheaths and methods of making and using the same. The sheaths minimize trauma to a patient's vasculature by allowing for temporary expansion of a portion of the sheath to accommodate passage of a delivery system for an implant, then return to a non-exp...

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Hauptverfasser: GOWDAR, Alpana, WHITE, Richard, LE, Thanh, LE, Tung, TRAN, Sonny, MAK, Sovanpheap
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Sprache:eng ; fre
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creator GOWDAR, Alpana
WHITE, Richard
LE, Thanh
LE, Tung
TRAN, Sonny
MAK, Sovanpheap
description Disclosed herein are expandable introducer sheaths and methods of making and using the same. The sheaths minimize trauma to a patient's vasculature by allowing for temporary expansion of a portion of the sheath to accommodate passage of a delivery system for an implant, then return to a non-expanded state after the passage of the device. The sheath includes a foldable inner member having a detached flap structure at its distal tip that facilitates expansion of the sheath lumen to increased diameters, and an elastomeric distal end that reduces push and retrieval forces therethrough. The sheath can include a hemostasis seal on its proximal end to prevent the leakage of blood out of the sheath and prevent ballooning of outer layer of the sheath. L'invention concerne des gaines d'introduction expansibles et leurs méthodes de fabrication et d'utilisation. Les gaines minimisent le traumatisme du système vasculaire d'un patient en permettant une expansion temporaire d'une partie de la gaine pour s'adapter au passage d'un système de pose d'un implant, puis reviennent à un état non expansé après le passage du dispositif. La gaine comprend un élément interne pliable ayant une structure de rabat détachable au niveau de son extrémité distale qui facilite l'expansion de la lumière de gaine à des diamètres accrus, et une extrémité distale élastomère qui réduit les forces de poussée et d'extraction à travers celle-ci. La gaine peut comprendre un joint d'hémostase sur son extrémité proximale pour empêcher la fuite de sang hors de la gaine et empêcher le ballonnement de la couche externe de la gaine.
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Les gaines minimisent le traumatisme du système vasculaire d'un patient en permettant une expansion temporaire d'une partie de la gaine pour s'adapter au passage d'un système de pose d'un implant, puis reviennent à un état non expansé après le passage du dispositif. La gaine comprend un élément interne pliable ayant une structure de rabat détachable au niveau de son extrémité distale qui facilite l'expansion de la lumière de gaine à des diamètres accrus, et une extrémité distale élastomère qui réduit les forces de poussée et d'extraction à travers celle-ci. La gaine peut comprendre un joint d'hémostase sur son extrémité proximale pour empêcher la fuite de sang hors de la gaine et empêcher le ballonnement de la couche externe de la gaine.</abstract><oa>free_for_read</oa></addata></record>
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subjects 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
title EXPANDABLE SHEATH AND METHODS OF USING THE SAME
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