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60 experts over the territory
The ultrasound scanner US-4000 proposes eye biometric analyses, with the measure of the axial length, thanks to the ultrasound technology in mode echo-A, and 2D sections of the eye in mode echo-B. The option US-4000P is, in addition, equipped with a probe dedicated to measuring the thickness of the cornea, or pachymetry.
The US-4000 is an independent compact ultrasound scanner, with a tilting touchscreen, dedicated to biometry and ultrasound eye imaging.
Thanks to the high-frequency ultrasound beam reflected by the differences of composition of the different eye structures, the US-4000 can measure the biometric dimensions of the eyeball: axial length, depth of the anterior chamber, crystalline thickness and vitreous depth, and reconstruct 2D sections to analyse the fundus. It is frequently used in case of medium opacity, ocular inflammation, haemorrhage or tumour, as, in these cases, the light beams of optical biometers and of usual imaging devices, particularly slit lamps, are limited.
Finally the results can be directly printed using the integrated thermal printer, saved to the internal memory or exported to an external device, USB drive or computer.
In echo-A mode, the biometric lengths are essential to calculate the power of intraocular lenses (IOL’s). This calculation is automatically performed by the US-500 depending on the values collected and using the different formulas saved to the device.
To make the reading easier through dens cataracts, the user can select the function “Dense Cataract” and the detection gates “Gate” to reinforce the signal detected.To make the reading easier through dens cataracts, the user can select the function “Dense Cataract” and the detection gates “Gate” to reinforce the signal detected.
In echo-B mode, the images provided through a 400-line scanning over a 60° field show a gray scale section of the retina, whose contrast can be adjusted by changing the grain. This representation makes possible analysing the fundus and detecting important anomalies of the eyeball.
The model US-4000 P proposes the pachymetry option. If so, it is equipped with a probe dedicated to the measurement of the cornea thickness. This probe is designed to directly apply on the cornea. This datum is important for all surgeries having consequences on the cornea, and is used to correct the intraocular pressure readings, considering the strength of the cornea.
Indications : Dispositif médical de Classe IIa / Certifié par le TÜV / CE0123. L’échoscan NIDEK US-4000 est un instrument médical utilisé pour mesurer la longueur axiale de l’oeil, la profondeur de la chambre antérieure, l’épaisseur de la cornée, l’épaisseur du cristallin et l’épaisseur du corps vitré afin de calculer la puissance réfractive de la lentille intraoculaire et observer l’intérieur de l’oeil par image d’échographie B.
Informations de bon usage : Dispositif médical destiné aux professionnels de santé. L’utilisation de ce dispositif est limitée aux ophtalmologues ou aux personnels engagés dans la pratique médicale selon les instructions des ophtalmologues suivant le mode d’emploi du dispositif. Les précautions de sécurité et les procédures d’utilisation, notamment, doivent être parfaitement assimilées avant l’utilisation de ce dispositif.
Veuillez lire attentivement les instructions figurant dans le manuel d’utilisation.
Matériel fabriqué par NIDEK CO.,LTD. Date de dernière mise à jour : février 2014
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