Apparatus and method for monitoring intraocular and blood...

Details Apparatus and method for monitoring intraocular and blood... Apparatus and method for monitoring intraocular and blood...

A - Human Necessities

61

B

A61B 3/16 (2006.01) A61B 6/00 (2006.01)

Patent

CA 2168792

An apparatus and method is provided for monitoring internal pressure of a physiological vessel using non-contact contour, measurement technique. A pressure measuring system (10) includes a light or acoustic source (24) for im- pinging a beam on the vessel surface and a detec- tor (26) for detecting a reflected beam from the vessel surface, the system (10) being mounted proximate to the vessel (e.g., an eye). The appa- ratus compares changes in vessel surface contour measurements with stored data relating changes in vessel surface contour with calibrated mea- surements corresponding to internal pressure of the vessel.

L'invention concerne un appareil et une méthode de surveillance de la pression interne d'un vaisseau physiologique mettant en oeuvre des techniques de mesure sans contact du contour. Le système de mesure de la pression (10) comprend une source lumineuse ou acoustique (24) pour faire passer un faisceau sur la surface du vaisseau, et un détecteur (26) pour détecter le faisceau réfléchi par la surface du vaisseau, le système (10) étant monté près de ce dernier (par exemple, un oeil). Cet appareil compare les variations dans le contour de la surface du vaisseau avec les mesures calibrées correspondant à la pression interne du vaisseau.

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