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Function vs Mode
Description Foot pedal controls for system with integrated Cold Phaco Mode
COLD PHACO MODE - FOOT PEDAL CONTROLS
Eye4Vision Int'l.
®
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0459
Cold Phaco Mode
REFLUX -CAUTERY
U/S    Continuous
ASP Aspiration
Foot Pedal
IRR  Irrigation
control
0
4
1
U/S COLD

-x-
IRR
IRR+ASP
IRR+ASP+U/S         *
IRR+ASP+U/S         *
REFLUX
U/S PULSE

-x-
IRR
IRR+ASP
IRR+ASP+U/S
  *
IRR+ASP+U/S   *
REFLUX
P
P
U/S

-x-
IRR
IRR+ASP
IRR+ASP+U/S   *
IRR+ASP+U/S   *
REFLUX
C
C
-x-
IRR

IRR+ASP*/CUT
IRR+ASP*/CUT
REFLUX
*  Surgeon variable via treadle position
Audible / vibrational knock indicates entry into new position
IRR

-x-
IRR
IRR
IRR
IRR
REFLUX
I/A

-x-
IRR
IRR+ASP*
IRR+ASP*
IRR+ASP*
REFLUX
CAUTERY

-x-
-x-
CAUT
CAUT
CAUT
REFLUX
Cold
Cold
SINGLE
CUT
VITRECTOMY
TREADLE
Position
0  
1†
2†
3†
4  
REFLUX
Function versus Mode
Enables Foot pedal proportional aspiration rate via Peristaltic pump, permitting required vacuum for effective aspiration.
Actual vacuum and requested aspiration rates displayed whenever Foot pedal treadle ≥ Position 2 with maximum
aspiration rate at Position 4.
Peristaltic pump actuation is only enabled when selected maximum vacuum has not been exceeded.
Any vacuum generated by the peristaltic pump is automatically and safely vented whenever
foot pedal treadle position is returned ≤ Position 2.
Enables Foot pedal proportional U/S Power to be delivered to the attached
ultrasonic handpiece with maximum U/S Power at Position 4.
Requested U/S Power is displayed whenever Foot pedal treadle position ≥ Position 3.
Aspiration rate is fixed at the selected aspiration rate.
Same as U/S  except U/S Power is pulsed at
10 pulses / sec.
The Vitrector is actuated at selected cut rate whenever
Foot pedal treadle position is ≥ Position 2.
Actuates reverse peristaltic pump rotation ( 20cc / MIN )
Electrically heat targeted tissue held by the Cautery forceps at the set cautery power
As above except maximum selected U/S Power is delivered to the attached U/S handpiece
in 20 ( LO ), 40 ( MED ), 90 ( HI ) or 200 ( XTR ) mSEC selected constant-width pulses.
Minimum pulse repetition rate is 1 PPS (Position 3 ) and increases with Foot pedal treadle depression to
maximum pulse repetition rate ( Position 4 )
U/S    Pulsed
C
U/S
Cold
P
1
CUT
1
FUNCTION vs MODE
IRR+ASP*/CUT   IRR+ASP*
Irrigation pinch valve is actuated, permitting the elevated irrigation solution to safely maintain intraocular pressure.
2
3
Treadle
Reflux Switch
Position
FOOT PEDAL
ergonomic


























































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Phacoemulsification System - Cold Phaco