AustralieFrV1, PascalFrancis, Corpus, bibRecord, 005984

Influence of manufacturing methods on the homogeneity and properties of nitinol tubular stents

Identifieur interne : 005984 ( PascalFrancis/Corpus ); précédent : 005983; suivant : 005985

Influence of manufacturing methods on the homogeneity and properties of nitinol tubular stents

Auteurs : D. Favier ; L. Orgeas ; D. Ferrier ; P. Poncin ; Y. Liu

Source :

Journal de physique. IV [ 1155-4339 ] ; 2001.

RBID : Pascal:02-0126111

Descripteurs français

Pascal (Inist)
- Stent, Vaisseau sanguin, Procédé fabrication, Etude comparative, Propriété thermomécanique, Endoprothèse.

English descriptors

KwdEn :
- Blood vessel, Comparative study, Endoprosthesis, Manufacturing process, Stent, Thermomechanical properties.

Abstract

Nitinol has found growing applications in vascular stents, with the recent introduction on the market of a number of new nitinol tubular devices for coronary and peripheral usage. These stents can be produced either through the expansion of a pattern cut on a small tube (pre-cut) or by cutting the deployed design on a tube of a larger size (pre-expanded) [1].The aim of the study was to analyze the differences of properties induced by the two manufacturing methods. For this purpose, Differential Scanning Calorimetry (DSC) measurements were performed on various specimens from the two types of stents. A first set of measurements shows that pre-expanded stents exhibit usual A↔R↔M transformations whereas multi-stage transformations occur for pre-cut stents. Two types of DSC specimens were then prepared for each stent, corresponding to the straight sections and the curved parts of the stent. It is shown that the pre-cut stents exhibit less homogeneous thermomechanical properties of the material within each stent compared to the pre-expanded stents. This is attributed to the manufacturing method which involves non-homogeneous bending stress-state for the pre-cut stents.

Notice en format standard (ISO 2709)

Pour connaître la documentation sur le format Inist Standard.

A01	`01`	`1`		`@0 1155-4339`
A03		`1`		`@0 J. phys., IV`
A05				`@2 88`
A08	`01`	`1`	`ENG`	`@1 Influence of manufacturing methods on the homogeneity and properties of nitinol tubular stents`
A09	`01`	`1`	`ENG`	`@1 Fifth European Symposium on Martensitic Transformations and Shape Memory Alloys, ESOMAT 2000, Como, Italy, September 4-8, 2000`
A11	`01`	`1`		`@1 FAVIER (D.)`
A11	`02`	`1`		`@1 ORGEAS (L.)`
A11	`03`	`1`		`@1 FERRIER (D.)`
A11	`04`	`1`		`@1 PONCIN (P.)`
A11	`05`	`1`		`@1 LIU (Y.)`
A12	`01`	`1`		`@1 AIROLDI (Graziella) @9 ed.`
A12	`02`	`1`		`@1 BESSEGHINI (Stefano) @9 ed.`
A14	`01`			`@1 Laboratoire Sols, Solides, Structures, UMR 5521 du CNRS, UJF-INPG, BP. 53 @2 38041 Grenoble @3 FRA @Z 1 aut. @Z 2 aut.`
A14	`02`			`@1 Société Minitubes SA, 7 avenue du Grand Chatelet @2 38000 Grenoble @3 FRA @Z 3 aut. @Z 4 aut.`
A14	`03`			`@1 Department of Mechanical and Materials Engineering, University of Western Australia @2 Nedlands, WA 6009 @3 AUS @Z 5 aut.`
A15	`01`			`@1 Dipartimento di Scienza dei Materiali, Università di Milano Bicocca, Via R. Cozzi 53 @2 20125 Milano @3 ITA @Z 1 aut.`
A15	`02`			`@1 CNT-TeMPE, Sezione di Lecco, Corso Promessi Sposi 28 @2 23900 Lecco @3 ITA @Z 2 aut.`
A20				`@2 Pr8.541-Pr8.546`
A21				`@1 2001`
A23	`01`			`@0 ENG`
A43	`01`			`@1 INIST @2 125C @5 354000102981080900`
A44				`@0 0000 @1 © 2002 INIST-CNRS. All rights reserved.`
A45				`@0 10 ref.`
A47	`01`	`1`		`@0 02-0126111`
A60				`@1 P @2 C`
A61				`@0 A`
A64	`01`	`1`		`@0 Journal de physique. IV`
A66	`01`			`@0 FRA`
C01	`01`		`ENG`	@0 Nitinol has found growing applications in vascular stents, with the recent introduction on the market of a number of new nitinol tubular devices for coronary and peripheral usage. These stents can be produced either through the expansion of a pattern cut on a small tube (pre-cut) or by cutting the deployed design on a tube of a larger size (pre-expanded) [1].The aim of the study was to analyze the differences of properties induced by the two manufacturing methods. For this purpose, Differential Scanning Calorimetry (DSC) measurements were performed on various specimens from the two types of stents. A first set of measurements shows that pre-expanded stents exhibit usual A↔R↔M transformations whereas multi-stage transformations occur for pre-cut stents. Two types of DSC specimens were then prepared for each stent, corresponding to the straight sections and the curved parts of the stent. It is shown that the pre-cut stents exhibit less homogeneous thermomechanical properties of the material within each stent compared to the pre-expanded stents. This is attributed to the manufacturing method which involves non-homogeneous bending stress-state for the pre-cut stents.
C02	`01`	`X`		`@0 002B26N`
C03	`01`	`X`	`FRE`	`@0 Stent @5 01`
C03	`01`	`X`	`ENG`	`@0 Stent @5 01`
C03	`01`	`X`	`SPA`	`@0 Stent @5 01`
C03	`02`	`X`	`FRE`	`@0 Vaisseau sanguin @5 02`
C03	`02`	`X`	`ENG`	`@0 Blood vessel @5 02`
C03	`02`	`X`	`SPA`	`@0 Vaso sanguíneo @5 02`
C03	`03`	`X`	`FRE`	`@0 Procédé fabrication @5 03`
C03	`03`	`X`	`ENG`	`@0 Manufacturing process @5 03`
C03	`03`	`X`	`SPA`	`@0 Procedimiento fabricación @5 03`
C03	`04`	`X`	`FRE`	`@0 Etude comparative @5 04`
C03	`04`	`X`	`ENG`	`@0 Comparative study @5 04`
C03	`04`	`X`	`SPA`	`@0 Estudio comparativo @5 04`
C03	`05`	`X`	`FRE`	`@0 Propriété thermomécanique @5 05`
C03	`05`	`X`	`ENG`	`@0 Thermomechanical properties @5 05`
C03	`05`	`X`	`SPA`	`@0 Propriedad termomecánica @5 05`
C03	`06`	`X`	`FRE`	`@0 Endoprothèse @5 06`
C03	`06`	`X`	`ENG`	`@0 Endoprosthesis @5 06`
C03	`06`	`X`	`SPA`	`@0 Endoprotesis @5 06`
C07	`01`	`X`	`FRE`	`@0 Génie biomédical @5 37`
C07	`01`	`X`	`ENG`	`@0 Biomedical engineering @5 37`
C07	`01`	`X`	`SPA`	`@0 Ingeniería biomédica @5 37`
N21				`@1 070`
N82				`@1 PSI`

A30	`01`	`1`	`ENG`	`@1 European Symposium on Martensitic Transformations and Shape Memory Alloys @2 5 @3 Como ITA @4 2000-09-04`

Format Inist (serveur)

NO :	PASCAL 02-0126111 INIST
ET :	Influence of manufacturing methods on the homogeneity and properties of nitinol tubular stents
AU :	FAVIER (D.); ORGEAS (L.); FERRIER (D.); PONCIN (P.); LIU (Y.); AIROLDI (Graziella); BESSEGHINI (Stefano)
AF :	Laboratoire Sols, Solides, Structures, UMR 5521 du CNRS, UJF-INPG, BP. 53/38041 Grenoble/France (1 aut., 2 aut.); Société Minitubes SA, 7 avenue du Grand Chatelet/38000 Grenoble/France (3 aut., 4 aut.); Department of Mechanical and Materials Engineering, University of Western Australia/Nedlands, WA 6009/Australie (5 aut.); Dipartimento di Scienza dei Materiali, Università di Milano Bicocca, Via R. Cozzi 53/20125 Milano/Italie (1 aut.); CNT-TeMPE, Sezione di Lecco, Corso Promessi Sposi 28/23900 Lecco/Italie (2 aut.)
DT :	Publication en série; Congrès; Niveau analytique
SO :	Journal de physique. IV; ISSN 1155-4339; France; Da. 2001; Vol. 88; Pr8.541-Pr8.546; Bibl. 10 ref.
LA :	Anglais
EA :	Nitinol has found growing applications in vascular stents, with the recent introduction on the market of a number of new nitinol tubular devices for coronary and peripheral usage. These stents can be produced either through the expansion of a pattern cut on a small tube (pre-cut) or by cutting the deployed design on a tube of a larger size (pre-expanded) [1].The aim of the study was to analyze the differences of properties induced by the two manufacturing methods. For this purpose, Differential Scanning Calorimetry (DSC) measurements were performed on various specimens from the two types of stents. A first set of measurements shows that pre-expanded stents exhibit usual A↔R↔M transformations whereas multi-stage transformations occur for pre-cut stents. Two types of DSC specimens were then prepared for each stent, corresponding to the straight sections and the curved parts of the stent. It is shown that the pre-cut stents exhibit less homogeneous thermomechanical properties of the material within each stent compared to the pre-expanded stents. This is attributed to the manufacturing method which involves non-homogeneous bending stress-state for the pre-cut stents.
CC :	002B26N
FD :	Stent; Vaisseau sanguin; Procédé fabrication; Etude comparative; Propriété thermomécanique; Endoprothèse
FG :	Génie biomédical
ED :	Stent; Blood vessel; Manufacturing process; Comparative study; Thermomechanical properties; Endoprosthesis
EG :	Biomedical engineering
SD :	Stent; Vaso sanguíneo; Procedimiento fabricación; Estudio comparativo; Propriedad termomecánica; Endoprotesis
LO :	INIST-125C.354000102981080900
ID :	02-0126111

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Pascal:02-0126111

Le document en format XML

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<front><div type="abstract" xml:lang="en">Nitinol has found growing applications in vascular stents, with the recent introduction on the market of a number of new nitinol tubular devices for coronary and peripheral usage. These stents can be produced either through the expansion of a pattern cut on a small tube (pre-cut) or by cutting the deployed design on a tube of a larger size (pre-expanded) [1].The aim of the study was to analyze the differences of properties induced by the two manufacturing methods. For this purpose, Differential Scanning Calorimetry (DSC) measurements were performed on various specimens from the two types of stents. A first set of measurements shows that pre-expanded stents exhibit usual A↔R↔M transformations whereas multi-stage transformations occur for pre-cut stents. Two types of DSC specimens were then prepared for each stent, corresponding to the straight sections and the curved parts of the stent. It is shown that the pre-cut stents exhibit less homogeneous thermomechanical properties of the material within each stent compared to the pre-expanded stents. This is attributed to the manufacturing method which involves non-homogeneous bending stress-state for the pre-cut stents.</div>
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<fC01 i1="01" l="ENG"><s0>Nitinol has found growing applications in vascular stents, with the recent introduction on the market of a number of new nitinol tubular devices for coronary and peripheral usage. These stents can be produced either through the expansion of a pattern cut on a small tube (pre-cut) or by cutting the deployed design on a tube of a larger size (pre-expanded) [1].The aim of the study was to analyze the differences of properties induced by the two manufacturing methods. For this purpose, Differential Scanning Calorimetry (DSC) measurements were performed on various specimens from the two types of stents. A first set of measurements shows that pre-expanded stents exhibit usual A↔R↔M transformations whereas multi-stage transformations occur for pre-cut stents. Two types of DSC specimens were then prepared for each stent, corresponding to the straight sections and the curved parts of the stent. It is shown that the pre-cut stents exhibit less homogeneous thermomechanical properties of the material within each stent compared to the pre-expanded stents. This is attributed to the manufacturing method which involves non-homogeneous bending stress-state for the pre-cut stents.</s0>
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<fC07 i1="01" i2="X" l="SPA"><s0>Ingeniería biomédica</s0>
<s5>37</s5>
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<fN21><s1>070</s1>
</fN21>
<fN82><s1>PSI</s1>
</fN82>
</pA>
<pR><fA30 i1="01" i2="1" l="ENG"><s1>European Symposium on Martensitic Transformations and Shape Memory Alloys</s1>
<s2>5</s2>
<s3>Como ITA</s3>
<s4>2000-09-04</s4>
</fA30>
</pR>
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<server><NO>PASCAL 02-0126111 INIST</NO>
<ET>Influence of manufacturing methods on the homogeneity and properties of nitinol tubular stents</ET>
<AU>FAVIER (D.); ORGEAS (L.); FERRIER (D.); PONCIN (P.); LIU (Y.); AIROLDI (Graziella); BESSEGHINI (Stefano)</AU>
<AF>Laboratoire Sols, Solides, Structures, UMR 5521 du CNRS, UJF-INPG, BP. 53/38041 Grenoble/France (1 aut., 2 aut.); Société Minitubes SA, 7 avenue du Grand Chatelet/38000 Grenoble/France (3 aut., 4 aut.); Department of Mechanical and Materials Engineering, University of Western Australia/Nedlands, WA 6009/Australie (5 aut.); Dipartimento di Scienza dei Materiali, Università di Milano Bicocca, Via R. Cozzi 53/20125 Milano/Italie (1 aut.); CNT-TeMPE, Sezione di Lecco, Corso Promessi Sposi 28/23900 Lecco/Italie (2 aut.)</AF>
<DT>Publication en série; Congrès; Niveau analytique</DT>
<SO>Journal de physique. IV; ISSN 1155-4339; France; Da. 2001; Vol. 88; Pr8.541-Pr8.546; Bibl. 10 ref.</SO>
<LA>Anglais</LA>
<EA>Nitinol has found growing applications in vascular stents, with the recent introduction on the market of a number of new nitinol tubular devices for coronary and peripheral usage. These stents can be produced either through the expansion of a pattern cut on a small tube (pre-cut) or by cutting the deployed design on a tube of a larger size (pre-expanded) [1].The aim of the study was to analyze the differences of properties induced by the two manufacturing methods. For this purpose, Differential Scanning Calorimetry (DSC) measurements were performed on various specimens from the two types of stents. A first set of measurements shows that pre-expanded stents exhibit usual A↔R↔M transformations whereas multi-stage transformations occur for pre-cut stents. Two types of DSC specimens were then prepared for each stent, corresponding to the straight sections and the curved parts of the stent. It is shown that the pre-cut stents exhibit less homogeneous thermomechanical properties of the material within each stent compared to the pre-expanded stents. This is attributed to the manufacturing method which involves non-homogeneous bending stress-state for the pre-cut stents.</EA>
<CC>002B26N</CC>
<FD>Stent; Vaisseau sanguin; Procédé fabrication; Etude comparative; Propriété thermomécanique; Endoprothèse</FD>
<FG>Génie biomédical</FG>
<ED>Stent; Blood vessel; Manufacturing process; Comparative study; Thermomechanical properties; Endoprosthesis</ED>
<EG>Biomedical engineering</EG>
<SD>Stent; Vaso sanguíneo; Procedimiento fabricación; Estudio comparativo; Propriedad termomecánica; Endoprotesis</SD>
<LO>INIST-125C.354000102981080900</LO>
<ID>02-0126111</ID>
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Influence of manufacturing methods on the homogeneity and properties of nitinol tubular stents

Influence of manufacturing methods on the homogeneity and properties of nitinol tubular stents

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