Catheters with fluorescent temperature sensors

Details Catheters with fluorescent temperature sensors Catheters with fluorescent temperature sensors

2005-05-10

2005-05-10

Winakur, Eric F. (Department: 3736)

Surgery

Diagnostic testing

Temperature detection

C600S474000

Reexamination Certificate

active

06890307

ABSTRACT:
A catheter with a fluorescent temperature sensor is shown and described. The catheter includes a lumen, a fiber-optic cable that extends through the lumen. A distal end of the fiber-optic cable is coated with a fluorescent material and a proximal end of the fiber-optic cable is connected to a console. The console includes a light source for transmitting light through the fiber-optic cable for exciting the fluorescent material. The console further includes a photo multiplier tube for converting light emitted by the excited fluorescent material to a plurality of analog voltage signals. The console further includes a digital oscilloscope linked to the photo multiplier tube for converting the plurality of analog voltage signals to at least one digital signal. The console further includes a processor linked to the digital oscilloscope for converting the at least one digital signal to a temperature value for the distal end of the fiber-optic cable.

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