Ultrasound catheter

A - Human Necessities – 61 – B

Patent

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Details

A61B 8/12 (2006.01) A61B 8/06 (2006.01) B06B 1/06 (2006.01) G01S 15/89 (2006.01) G10K 11/00 (2006.01)

Patent

CA 2133475

An ultrasound catheter is disclosed for providing substantially real-time images of small cavities. The ultrasound catheter is characterized by separate and distinct materials for backing the transducers and for carrying the electronics components. The separate materials comprise an electronics carrier meeting the requirements for holding the integrated circuitry of the ultrasound device and a backing material displaying superior characteristics relating to reducing ringing and minimizing the effect of other sources of signal degradation in the transducer assembly. Also, in accordance with the present invention, a technique is described for connecting the conductor lines of the separate transducer assembly and electronics body.

L'invention porte sur un cathéter à ultrason au moyen duquel il est possible d'obtenir des images de petites cavités en temps réel. Le cathéter à ultrason est caractérisé par des matériaux séparés et distincts pour renforcer les transducteurs et pour transporter les composants électroniques. Les matériaux séparés forment un porteur électronique satisfaisant aux exigences pour tenir les circuits intégrés du dispositif à ultrason et un matériau de renforcement présentant des caractéristiques supérieures servant à réduire la suroscillation et à minimiser l'effet d'autres sources de dégradation du signal dans l'ensemble de transducteurs. De plus, conformément à l'invention susmentionnée, il y est décrit une technique pour connecter les lignes de conducteurs de l'ensemble de transducteurs et du corps électronique.

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