Tonometer calibration tool

A - Human Necessities – 61 – B

Patent

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A61B 3/16 (2006.01)

Patent

CA 2482000

An apparatus (14) for calibrating a non-contact tonometer (12) includes an electronic eye (24) having a damped pressure sensor (60) for receiving a tonometer air pulse and providing a pressure signal in response to the air pulse, and applanation simulation means (70) connected to the pressure sensor for providing a pseudo-applanation event when the pressure signal reaches a predetermined level corresponding to a known IOP measurement standard. A method for calibrating a non-contact tonometer using the inventive calibration apparatus is also described.

Un appareil pour l'étalonnage d'un tonomètre sans contact comprend : un oeil électronique doté d'un capteur de pression amorti conçu pour recevoir un impulsion d'air du tonomètre et pour fournir un signal de pression en réaction à l'impulsion d'air ; et un moyen de simulation d'aplanation connecté au capteur de pression pour fournir un événement de pseudo-aplanation lorsque le signal de pression atteint un niveau prédéterminé correspondant à une norme de mesure IOP connue. Un procédé d'étalonnage d'un tonomètre sans contact au moyen de l'appareil d'étalonnage de l'invention est également décrit.

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