Self-Test Features

The RFG-1A can be tested before
and during a procedure. The RFG-TP Output Test Plug plugs into the output jack and simulates a test load to check RF heating and temperature controls. The optional RFG-STP Sterilizable Test Pad checks connections, electrodes, and cables without breaking sterility. The RFG-1A displays actual measured output values, not preset screen settings, confirming what is being delivered to the patient.

Lightweight and Portable

The RFG-1A is lightweight, only 15 pounds (6.8 Kgm), and compact, making it easy to transport and store. It has an optional HAN Carrying Handle that also serves as a tilt stand (see figure at the top of the page).

Sterile Adapted

The RFG-1A is available in the
sterile-adapted version, the
RFG-1A-S. It comes with a SKG Sterilizable Knob, FS-1 Footswitch, and RFG-STP Sterilizable Test Pad, so that the unit can be operated without breaking sterility. Clear sterile drapes are available to cover the front panel to sterily actuate pushbuttons.

The RFG–1A Generator:
A Modern and Advanced Design

The RFG-1A has been designed by Cosman and manufactured by his team of expert engineers and technicians at Cosman Medical, all of whom he selected from the best of his previous coworkers at Radionics. Thus the RFG-1A incorporates the most modern and advanced electronic designs plus decades of RF clinical experience, making it more functional, reliable, and safe. The RFG-1A software is upgradable to accomodate new functionality.

Reliability and Economy

The RFG-1A’s modern design means better technology for less production costs. That translates directly to a more robust and reliable unit. It also means that Cosman can pass the savings onto the customer, offering a superior generator at a better price.

Wider Settings for Both Neurosurgeons
and Pain Management Clinicians

The RFG-1A has a wider range of stimulation parameters than its RFG-1B counterpart to accommodate the needs of both neurosurgeons and pain management specialists.

Easy to Operate:
Clear, Simple, and Logical Controls

The RFG-1A has a simplified and easy-to-understand front panel. The Impedance, Stimulator, RF Output, Timer, and Temperature controls are located logically from left to right on the front panel. Large color-coded digital displays are bright and easy-to-read from a distance in the procedure room. There are no confusing menus or program steps to remember, but rather a clear panel layout to improve clarity and confidence at every step.
A . Impedance Monitor
Electrode impedance is measured continuously at all times, including stimulation and lesioning. This enables detection of any changes during the critical procedure steps. Its wide range accomodates even the smallest electrodes and future developments. Impedance is shown on a large green LED display for instant clarity.

B. Stimulator Section
The RATE and DURATION buttons select a wide range of pulse rates and widths. Either voltage or milliamps outputs can be selected and are shown on the large digital display.


C. Pulsed RF Section
The Pulsed RF (PRHF) output voltage and current are shown on large digital displays. A wide range of pulse rates and durations can be selected, and are displayed.

D. Continuous RF Section
The RF output voltage, current (mA), and power (Watts) are shown on large digital displays. The output can be finely controlled, even for low power applications such as in the brain, spinal cord, or ganglia.		 E. Timer
Preset lesion times can be selected and are shown on the large digital display. The timer can be reset to 0 or stopped at a desired elapsed time at any point in the procedure..

F. Temperature Monitor
Electrode temperature, the most critical RF heating parameter, is shown on a large red digital display that can be seen from across the room.

G. Reference Connection
The reference jack connects to the Cosman Disposable Grounding Pad or to the Non Disposable Ground Plate.

H. Active Electrode Connection
The active jack connects the outputs to the active electrode.

II. Stimulation Mode Selector
This pushbutton selects the Stimulation section

J. Pulsed RF Mode Selector
This pushbutton selects the Pulsed RF section.
 K. Continuous RF Mode Selector
This pushbutton selects the continuous RF
section.

L. Automatic Temperature Control
Either Manual or Automatic Temperature Control can be selected. Preset set temperatures can be selected and are shown on the digital display.

M. Output Control
In STIM, Pulsed RF, or RF modes, the OUTPUT CONTROL knob raises the output smoothly, even at the very low levels. A yellow pilot light and an audible beeper signify delivery of output. The output can be shut off at any time.

Graphic Display Outputs

The RFG-GO Graphical Output Jacks enable real-time graphic display and storage of RFG-1A parameters of a procedure on a laptop computer using the CB120 cable.



Face Cover

The RFG-FC-1 attaches to the front face, protecting it in transport or storage.

Carrying and Tilt Handle

The HAN Handle is a convenient carrying handle (see previous page) and also enables variable tilt angle for easy viewing in the procedure room (see front cover).


Sterile Adapted Version

The RFG-1A-S includes an SKG Sterilizable Knob, FS-1 Footswitch, and RFG-STP Sterilizable Test Pad.

Storage and Travel Case

The SC-1 Storage Case provides secure protection for storage and transportation.

ELECTRICAL SUPPLY
Domestic: 120 Vac
International: 100 Vac, 220 Vac, 240 Vac

GENERAL
Size: W 14” (35.5 cm), H 6” (15.3 cm),
D 10.5” (26.7 cm)
Weight: 15 lbs (6.8 Kg)

IMPEDANCE MONITOR
Range: 0-3000 ohms digital
Resolution: 1 ohm between 0-999,
10 ohms between 1000-3000

STIMULATOR
Pulse Rate: 2, 5, 50, 75, 100, 150, 180, 200 Hz
Stimulation Voltage: 0-3 Volts
Pulse Duration: 0.1, 0.5, 1, 2, 3 mS
Voltage Stimulation Mode: 0-3 Volts
Constant Current Stimulation Mode: 0-10 mA

RF GENERATOR
Continuous RF Mode
Voltage: 0-70 Volts (rms)
Current: 0-750 mA
Power: 0-50 Watts
Pulsed RF Mode
Voltage: 0-100 Volts (peak)
Pulsed Rate: 1, 2, 3, 4, 5, 6, 7, 8 Hz
Pulse Duration: 5, 10, 20, 30 mS

TIMER
Selectable: 30, 60, 90, 120, 180, 600 Sec

TEMPERATURE MONITOR
Range: 0-100 oC
Resolution: 1 oC
AUTOMATIC TEMPERATURE CONTROL
Select: ON or OFF
Continuous RF: 50, 55, 60, 65, 70, 75, 80,
85, 90 oC
Pulsed RF: 42 oC

OUTPUT PORTS (Optional)
RF Volts: 0-100 Volts = 0-1 VDC
RF Current: 0-750 mA = 0-.75 VDC
RF Watts: 0-50 watts = 0-.5 VDC
Impedance: 0-3000 ohms = 0-1 VDC
Temperature: 0-100 oC = 0-1 VDC

STANDARDS
Unit meets CSA Canadian and USA standards.Cosman Medical, Inc. is an ISO-13485 certified company.
Catalog No.

RFG-1A

RFG-1A-S 		Description

RF Generator

RF Generator,
Sterile-Adapted
Catalog No.

CB112-TC
CB102
CB103-R
CB103-B
CB113
CB118
CB119
CB120
 Description

Cable for TC electrodes
Reference Connection Cable
Cable, Red with Alligator Clip
Cable, Black with Alligator Clip
Bipolar Reference Cable
Power Cable, Europe
Power Cable, USA
Graphics Cable		 Catalog No.

RFG-TP
HAN
RFG-FC-1
SKG
FS-1
RFG- STP
SC-1
RFG-GO 		Description

Output Test Plug
Handle
Face Cover
Sterile Knob - Gold
Foot Switch
Sterile Test Pad
Storage Case
Graphical Output Jacks
Cosman Medical, Inc.     76 Cambridge Street, Burlington, MA 01803-4140 USA      Phone: 781-272-6561     Fax: 781-272-6563
info@cosmanmedical.com    http://www.cosmanmedical.com     Copyright © 2006-2010 Cosman Medical, Inc. All Rights Reserved.