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The Valleylab Force 2 electrosurgical unit is a long standing work horse and provides cutting and coagulation in monopolar or bipolar outputs. The generator has audible and visual alarms, including REM™ Fault Indicator. The REM™ (Return Electrode Monitoring) is standard. 300 watts is available for output in the cut setting. A monopolar foot switch is included, a bipolar foot switch is optional as is a rolling cart. Refurbished units are available from Avante Health Solutions.
Force 2 Features
Blended Cut Modes
Provide flexibility through varying degrees of hemostasis. Choose one of three preset modes.
Simultaneous Independent Coagulation
Permits two surgeons to fulgurate from a single generator, for added convenience and efficacy. Accessories are activated only when keyed, reducing the potential for injury caused by inadvertent activation.
Low Voltage Coagulation
Ensures controlled, precise desiccation with less destruction of peripheral tissue, making the Force° 2 generator ideal for laparoscopic procedures.
REM™ Safety
Is guaranteed with Valleylab's patented adaptive REM° system, which continually monitors patient impedance levels. If a fault in the patient/return electrode contact is detected, the REM° system automatically deactivates the generator virtually eliminating the risk of burns under the return electrode. Valleylab REM° safety has been proven in more than 100 million surgical procedures worldwide.
SPECIFICATIONS
Physical Weight & Dimensions
Height: 8 inches (20 cm)
Width: 13 inches (33 cm)
Depth: 21 inches (53 cm)
Weight: 23 lbs (10.4 kg)
Output Waveforms
Cut: 510 kHz sinusoid
Blend 1: 510 kHz sinusoidal bursts at 50% duty cycle recurring at 31 kHz
Blend 2: 510 kHz sinusoidal bursts at 37.5% duty cycle recurring at 31 kHz
Blend 3: 510 kHz sinusoidal bursts at 25% duty cycle recurring at 31 kHz
Coag: 510 kHz damped sinusoidal bursts with a repetition frequency of 31 kHz Low Voltage 510 kHz sinusoidal bursts at 25%
Coag: duty cycle recurring at 31 kHz
Bipolar: 510 kHz sinusoid Output power changes by less than 5% or 5 watts, whichever is greater, as the line voltage varies from 85-135 volts (into a 300 ohm load).
Low Frequency Leakage (50-60 Hz) Source current, patient leads, all outputs tied together.
Normal polarity, intact chassis ground < 10 µA
Normal polarity, ground open <100 µA
Reverse polarity, ground open <100 µA
Sink current, 140V applied, all inputs <150 µA
High Frequency Leakage
Less than 150 mA rms
Input Power Requirements
Operating range is 85 to 135 AC volts. Current is less than 8 amperes in cut and less than 4 amperes in coag.
Power Readouts
Agree with actual power into rated load to within ± 15% or 5 watts, whichever is greater.
Adaptive REM™ System
Measurement Frequency: 140 kHz ± 20 kHz
Measurement Current: 3 mA maximum
Acceptable Resistance Ranges:
REM° pad Ñ 5-135 ohms
Non-REM° pad Ñ less than 20 ohms
Acceptance range is 5-135 ohms after REM° PolyHesive° II return electrode is applied. REM° trip is initial impedance plus 40%. For example, if the initial impedance is 30 ohms, the upper level trip is approximately 42 ohms.
Cooling
Convection, no fan.
Audio Volume
The mode indicator tones are adjustable to a minimum level of 45 dB at 1 meter. The alarm tones are not adjustable and are set at 65 dB minimum at 1 meter. Also available in a 220-240 volt, 50-60 Hz configuration. Designed to meet UL and CSA specifications.
