Name: monitoring the wall mechanics during stent deployment in a vessel
Uploaded: 2012-05-08T12:00:00
Description: Watch this Scientific Journal Video about Monitoring the Wall Mechanics During Stent Deployment in a Vessel at JoVE.com

Denne studien ble støttet delvis av NASA Nebraska Space Grant og National Science Foundation i henhold stipend nr. 0926880.

1. Klargjøring av lateks Vessel <ol><li> Fiks begge ender av latex fartøyet til piggete slangekoplingene, som er festet på en solid arbeidsbenk. </li><li> Mål arealet av renter på latex fartøy å bestemme synsfeltet. Området av interesse for en stent test skal være sentrert mellom de piggete slangekoblinger og omfatter omtrent en tomme på hver side av stent for å observere de påkjenningene utenfor stentet området. </li><li> Ta opp avstanden fra ytterkanten av en piggete slangekoblingen til midten beliggenh...

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Den stereo optisk overflate belastning målesystem brukes til å måle de lokale stammene over deformeres overflaten for både i-og ut-av-plane bevegelser uten å kontakte prøven. Dette systemet bruker to høyhastighets optiske kameraene til å ta bilder av en tilfeldig kontrastfarge mønster sette på overflaten for å konstruere nøyaktige målinger av bevegelser av hvert punkt, med en høy nøyaktighet for å løse overflaten stammer. Det bør bemerkes at den nødvendige kontrasterende m...

<table border="1"><tbody><tr><td> Utstyr Brukte </td><td> Firma </td><td> Katalognummer </td><td> Kommentarer </td></tr><tr><td> ARAMIS Camera System </td><td> GOM: Optisk måling Techniques </td><td></td><td></td></tr><tr><td> PALMAZ Genesis transhepatisk Leverscintigrafi Stent </td><td> Cordis Corporation </td><td> PG5910B </td><td> Balloon-utvidbart stent </td></tr><tr><td> Z-MED Balloon Utvidelse kateter </td><td> B. Braun Medical Inc. </td><td> PDZ336 </td><td> Balloon dilatasjon kateter </td></tr></tbody></table>

monitoring the wall mechanics during stent deployment in a vessel

Kliniske studier har rapportert ulike restenosis priser for forskjellige stent design 1. Det er spekulert i at stent-indusert belastningsskader konsentrasjoner på arterieveggen føre til vevsskade, som utløser restenosis 2-7. Denne hypotesen trenger videre undersøkelser inkludert bedre Kvantifiseringen av ikke-uniform belastning fordeling på arterien etter stentimplantasjon. En ikke-kontakt overflate belastning målemetode for stentet arterien blir presentert i dette arbeidet. ARAMIS stereo optisk overflate belastning målesystem bruker to optiske høye fotobokser for å fange bevegelsene til hvert referansepunkt, og løse tredimensjonale stammer over deformeres overflaten 8,9. Som en maske stent er utplassert i en latex fartøy med en tilfeldig kontrasterende mønster sprayet eller tegnet på sin ytre overflate, overflaten belastningen registrert på hvert øyeblikk av deformasjonen. De beregnede belastningsskader distribusjoner kan deretter brukes til å forstå LOcal lesjon respons, validere beregningsmodeller, og formulere hypoteser for videre in vivo studier.

Watch this Scientific Journal Video about Monitoring the Wall Mechanics During Stent Deployment in a Vessel at JoVE.com

Monitoring the Wall Mechanics During Stent Deployment in a Vessel

Stent-indusert arterielle belastningsskader distribusjoner karakteriseres ved hjelp av en optisk overflate belastning målesystem. Denne visualiseringen teknikken brukes til å få innsikt i effekten av stentimplantasjon på verten fartøyet.

Overvåking veggen Mechanics Under Stent Deployment i en Vessel

Clinical trials have reported different restenosis rates for various stent designs1. It is speculated that stent-induced strain concentrations on the ...

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