FA-800 portable tonometer rebound Product performance parameters
FA800 is a hand-held portable week voltage intraocular pressure measurement equipment
Small contact area between the probe and the patient's cornea, short measuring time, without unsuitable reaction
The probe is magnetizing and withdrawing needle automatically
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Weight: |
300g |
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Measuring range: |
3mmHg~70mmHg |
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Measuring error:
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±1.5mmHg(3mmHg≤Intraocular pressure measured≤25mmHg);
±2.5mmHg (25mmHg≤Intraocular pressure measured≤70mmHg) |
Advantages:
1.Themeasurementresults areaccurateand consIstent, and proven correct through clinical studies
2.Itis painlessand therefore creates no anxiety No local anaesthetic is needed
3. Repeated measurements could beconducted without nearly any harm to the eyes of adults
and children.
4.Easymanipulation forself-measurement which doesn't requirementothers'assistance
5. The most advanced lateralLCD(liquid crystal display) design which better enables the
operators to control the distance between the probe and the cornea and read the values on the display, a new innovative move.
6.Itis small and easy to take along. You can use it anywhere without environmental
restrictions to continually monitor the ocular pressures.
7. Theuse ofdisposable probes avoid the cross infection.
8.Usually patient could use it in an upright gesture, in the cases
when patients could not stand up, the lying gesture is also allowed
9. Wireless data printing(require another photocopier)10.Built-in storage function which can store some ten sets
of data for review or printing.
11.The time and date could be set for review.
12.The use ofAA battery is safe and less energy-consumed.
13.Use integrated circuits in order to work more stable and longer
Applicability:
1. Used in tonometery tests by ophthalmologists
optometrists,general physician,professional healthadvisors
2. Better for patients with dementia, mobility problems
and children in the measurement of corneal edema, opacity or uneven corneal surface.
3.Handy forglaucoma patients in measuring ocular pressure at home.
Usages:
1.Turn on the tonometer and install the probe.
2.Move the machine close to the eyes and adjust the distance
3. Gently press the button and obtain the single measurement
values and average values in several times.* Short Measuring Time, Only seconds.* Reduce the check time for glaucoma
A
* Capable of storing the ocular data
of some ten patients. TVRheinl
The working mechanism of FA800 rebound tonometer
Reboundtonometer,also knownasimpact tonometer, adopts an innovative sensing rebound technology.The probe will be magnetized when being inserted into the tonometer and generatesN/Spoles.An transientcurrentin the solenoids of the device (lasting about 30 milliseconds) produces antransient magnetic field that causes the magnetized probe to movetowardthecorneaat0.2m/s(homopolar repulsion principle). The probe bounces on the anterior surface ofthe cornea,slowing down and rebounding. the ocular pressure is increased,thedeceleration ofthe probeincreases. and the duration of the impact decreases Theelectricalcontrol switch monitors the solenoid voltage caused by the rebound of the magnetizedprobes,and the electronic signal processor and the microsensor calculate the deceleration oftheprobeafterimpacting the cornea. Finally, the integrated information is converted into ocular pressure readings.
Rebound tonometer is an electric measuring type pressure gauge which converts the pressure into the voltage or current signal
through the physical characteristics of the metal. Tonometer can obtain the measurement data within 0.1 seconds.
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