EXPANDABLE SHEATH FOR INTRODUCING AN ENDOVASCULAR DELIVERY DEVICE INTO A BODY
Aspects of an expandable sheath can be used in conjunction with a catheter assembly to introduce a prosthetic device, such as a heart valve, into a patient. Such aspects can minimize trauma to the vessel by allowing for temporary expansion of a portion of the introducer sheath to accommodate the del...
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Main Authors | , , , , , , , , , , , , , |
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Format | Patent |
Language | English French |
Published |
02.09.2021
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Subjects | |
Online Access | Get full text |
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Abstract | Aspects of an expandable sheath can be used in conjunction with a catheter assembly to introduce a prosthetic device, such as a heart valve, into a patient. Such aspects can minimize trauma to the vessel by allowing for temporary expansion of a portion of the introducer sheath to accommodate the delivery apparatus, followed by a return to the original diameter once the prosthetic device passes through. Some aspects can include a sheath with a variable diameter inner liner wound in a spiral slidable configuration and an outer layer. The disclosed sheath is configured to expand from a predetermined rest diameter dr to an expanded diameter de during application of a radial outward force by passage of a medical device through the sheath.
L'invention concerne une gaine expansible qui, selon certains aspects, peut être utilisée en conjonction avec un ensemble cathéter servant à introduire un dispositif prothétique, tel qu'une valve cardiaque, chez un patient. Ces aspects peuvent minimiser le traumatisme subi par le vaisseau en permettant une expansion temporaire d'une partie de la gaine d'introduction pour recevoir l'appareil d'administration, suivie d'un retour au diamètre d'origine après le passage de la prothèse. Certains aspects peuvent comprendre une gaine avec une doublure interne de diamètre variable enroulé dans une configuration coulissante en spirale et une couche extérieure. La gaine de l'invention est configurée pour se dilater d'un diamètre de repos prédéterminé (dr) à un diamètre dilaté (de) pendant l'application d'une force radiale vers l'extérieur par le passage d'un dispositif médical à travers la gaine. |
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AbstractList | Aspects of an expandable sheath can be used in conjunction with a catheter assembly to introduce a prosthetic device, such as a heart valve, into a patient. Such aspects can minimize trauma to the vessel by allowing for temporary expansion of a portion of the introducer sheath to accommodate the delivery apparatus, followed by a return to the original diameter once the prosthetic device passes through. Some aspects can include a sheath with a variable diameter inner liner wound in a spiral slidable configuration and an outer layer. The disclosed sheath is configured to expand from a predetermined rest diameter dr to an expanded diameter de during application of a radial outward force by passage of a medical device through the sheath.
L'invention concerne une gaine expansible qui, selon certains aspects, peut être utilisée en conjonction avec un ensemble cathéter servant à introduire un dispositif prothétique, tel qu'une valve cardiaque, chez un patient. Ces aspects peuvent minimiser le traumatisme subi par le vaisseau en permettant une expansion temporaire d'une partie de la gaine d'introduction pour recevoir l'appareil d'administration, suivie d'un retour au diamètre d'origine après le passage de la prothèse. Certains aspects peuvent comprendre une gaine avec une doublure interne de diamètre variable enroulé dans une configuration coulissante en spirale et une couche extérieure. La gaine de l'invention est configurée pour se dilater d'un diamètre de repos prédéterminé (dr) à un diamètre dilaté (de) pendant l'application d'une force radiale vers l'extérieur par le passage d'un dispositif médical à travers la gaine. |
Author | GHANBARI, SARAH SALEH, NASSER WILLIAM FINE, MAXWELL HARRISON SCHERB, DANIEL J TRAN, SONNY BULMAN, ERIK TRAN, TRI D TRINH, UY D MERCADO, RAYMOND AVERY, NEAL H GOWDAR, ALPANA KIRAN TAMIR, ILAN MAK, SOVANPHEAP LEE, JEONG SOO |
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DocumentTitleAlternate | GAINE EXPANSIBLE POUR L'INTRODUCTION D'UN DISPOSITIF D'ADMINISTRATION ENDOVASCULAIRE DANS UN CORPS |
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Snippet | Aspects of an expandable sheath can be used in conjunction with a catheter assembly to introduce a prosthetic device, such as a heart valve, into a patient.... |
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SubjectTerms | BANDAGES, DRESSINGS OR ABSORBENT PADS DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF,TUBULAR STRUCTURES OF THE BODY, E.G. STENTS FILTERS IMPLANTABLE INTO BLOOD VESSELS FIRST-AID KITS FOMENTATION HUMAN NECESSITIES HYGIENE MEDICAL OR VETERINARY SCIENCE ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES PROSTHESES TREATMENT OR PROTECTION OF EYES OR EARS |
Title | EXPANDABLE SHEATH FOR INTRODUCING AN ENDOVASCULAR DELIVERY DEVICE INTO A BODY |
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