Ultrasound imaging guidewire with static central core and tip

Details Ultrasound imaging guidewire with static central core and tip Ultrasound imaging guidewire with static central core and tip

A - Human Necessities

61

B

A61B 8/12 (2006.01)

Patent

CA 2304742

This invention is an ultrasound imaging guide wire (10) that is inserted into a patient's body. The guide wire has a static central core (20), and an imaging guide wire body (12) comprising an acoustical scanning device (18). The acoustical scanning device (18) can be rotated to obtain 360 degree acoustical images of a site of interest in the patient's body. Furthermore, the imaging guide wire (10) includes a connector (26) that permits the imaging guide wire body (12) to be disengaged from the static central core tip (14, 20) so that the imaging guide wire body can be axially translated to obtain multi-position imaging. The imaging guide wire body (12) is axially translated without losing the original guide wire positioning because the static central core (20) maintains its position in the patient's body.

La présente invention concerne un fil-guide (10) de formation d'images ultrasonores, ce fil-guide étant introduit dans le corps d'un patient. Le fil-guide possède une âme centrale statique (20) et un corps (12) de fil-guide de formation d'images comprenant un dispositif de balayage acoustique (18). On peut tourner le dispositif de balayage acoustique (18) pour obtenir des images acoustiques de 360 degrés d'un site intéressant dans le corps du patient. En outre, le fil-guide (10) de formation d'images comprend un connecteur (26) permettant de dégager le corps (12) de fil-guide de formation d'images de la pointe (14, 20) de l'âme centrale statique de sorte qu'on puisse déplacer axialement le corps de fil-guide de formation d'images pour obtenir une formation d'images dans des positions multiples. Le corps (12) de fil-guide de formation d'images est déplacé axialement sans perdre sa position d'origine parce que l'âme centrale statique (20) maintient sa position dans le corps du patient.

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