WO1994017304B1 - Pompe a sang a ensemble rotor jetable - Google Patents

Pompe a sang a ensemble rotor jetable

Info

Publication number
WO1994017304B1
WO1994017304B1 PCT/US1994/000539 US9400539W WO9417304B1 WO 1994017304 B1 WO1994017304 B1 WO 1994017304B1 US 9400539 W US9400539 W US 9400539W WO 9417304 B1 WO9417304 B1 WO 9417304B1
Authority
WO
WIPO (PCT)
Prior art keywords
impeller
barrel
pump
blood
pump assembly
Prior art date
Application number
PCT/US1994/000539
Other languages
English (en)
Other versions
WO1994017304A1 (fr
Filing date
Publication date
Priority claimed from US08/006,735 external-priority patent/US5393207A/en
Application filed filed Critical
Priority to EP94909456A priority Critical patent/EP0832357A4/fr
Priority to JP6517132A priority patent/JPH08508803A/ja
Publication of WO1994017304A1 publication Critical patent/WO1994017304A1/fr
Publication of WO1994017304B1 publication Critical patent/WO1994017304B1/fr

Links

Abstract

Une pompe centrifuge à sang se caractérise par un ensemble pompe (14) comportant un corps cylindrique pouvant s'insérer dans un stator (12) de moteur. Le corps cylindrique renferme un rotor (58) de moteur qui est couplé directement à la roue hélice (40) de la pompe. Le corps cylindrique peut être orienté et bloqué dans le stator du moteur selon différentes orientations angulaires. On prévient l'hémolyse en dépit d'un fonctionnement à grande vitesse, en réduisant le jeu entre la roue hélice (40) et la chambre de cette dernière, et en arrondissant les arêtes des pales de la roue hélice, et en plaçant un détecteur pour empêcher le sang d'être propulsé plus d'une fois autour de la chambre de ladite roue hélice. Un mécanisme de verrouillage libérable efficace est également décrit, ainsi qu'un procédé préféré d'assemblage de l'ensemble pompe avec des tolérances étroites.
PCT/US1994/000539 1993-01-21 1994-01-21 Pompe a sang a ensemble rotor jetable WO1994017304A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP94909456A EP0832357A4 (fr) 1993-01-21 1994-01-21 Pompe a sang a ensemble rotor jetable
JP6517132A JPH08508803A (ja) 1993-01-21 1994-01-21 使い捨てロータアセンブリィ付き血液ポンプ

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/006,735 US5393207A (en) 1993-01-21 1993-01-21 Blood pump with disposable rotor assembly
US08/006,735 1993-01-21

Publications (2)

Publication Number Publication Date
WO1994017304A1 WO1994017304A1 (fr) 1994-08-04
WO1994017304B1 true WO1994017304B1 (fr) 1994-09-15

Family

ID=21722313

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US1994/000539 WO1994017304A1 (fr) 1993-01-21 1994-01-21 Pompe a sang a ensemble rotor jetable

Country Status (5)

Country Link
US (1) US5393207A (fr)
EP (1) EP0832357A4 (fr)
JP (1) JPH08508803A (fr)
CA (1) CA2154248A1 (fr)
WO (1) WO1994017304A1 (fr)

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