CONMED SABRE 180 PDF

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This warranty is void if the product is used in a manner or for purposes other than intended. This fea- Sabre bipolar is designed to start quickly and ture minimizes the probability of alternate ground conclude gracefully with minimal sparking conmev site burns.

Complies with all current internation- tissue sticking. Needles should not be Monitor A. Only the activated accessory will be live. Only one accessory may be activated at a time. Retain orig- inal packing material for future storage or ship- 3. Connect a two-treadle monopolar foot switch ment. The power should increase from zero to 5 watts. Such testing is best carried out by use of an electrosurgical generator tester, as described in Section 4 of the Sabre Service Manual.

If such a tester is available, note that the power display will most accurately indi See below for connections. Always stow unused accessories in a safe, insulated location such as a test cconmed 2.

Connect the foot switch to the rear of the unit the power cordset to the unit and to a properly not required if only hand switchable monopolar grounded and polarized mating power receptacle.

This section contains information for ordinary upkeep of the Sabre While the unit has been Surgical effects are dependent upon a number of designed and manufactured to high industry stan- factors including waveform, electrode size, elec This option is available only from the 2.

Contact your Conmed Representative for further information. The Sabre should be visually inspected at least every six months.

This inspection should The default settings option may be changed quite include checks for: Usually accompanied by audible or visible sparking. Please have the model number and serial number from the rear power nameplate along with a description of the problem, including power settings, accessories, in use, etc.

Theory of Operation Section 3. This diagram illustrates the functional parti- This section is located on the forward end of saber tioning of the unit. This frequen- cy is determined by the inductance of T4 in paral- The A. Circuit converts the electrical resis- lel with the capacitance presented by C Bipolar 50WO.

This in parallel with the resistance of the return elec- value is then processed along with the VARM trode circuit, R L transformed up through T4 and values for 10 and ohm return circuit conmes At sufficiently high base current, bipolar base has its own bypass capacitor and is Q1 saturates collector-base voltage nearly zerodriven from a common VBASE supply. The four digital ports of the U3 are High-order address to the decoder inputs A10, functionally assigned as follows: A11, and A12 cause the corresponding output Y0 -Y7 to go low.

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Conmed Sabre 180 ESU Unit

At lower R34 and R35 form a voltage divider to generate VDAC voltages, diode D5 becomes forward a 5V offset for U to allow single supply biased so that R9 is essentially in parallel with operation and to give a reference point for the R The following initialization sequence must be suc- Hand control, foot switch, and return electrode cessfully executed before the main working pro- inputs are monitored for changes.

The validity of gram can be entered. The following conditions are considered illegal requests and 1. Restoring a point to Calibrated status requires 3. This permits a more thorough eval- provide output, but also forcing the WDT to lock uation of lamp integrity than is possible during up permanently if WDT-Q2 ever fails.

The power delivered to the output at mains voltage zero-crossing is nearly zero. This section contains information useful in the 4. While the unit has been designed and manufactured to Equipment: Connect the other lead to the ESU terminals Procedure: Fast blow V fuses rated at the meter full 4. This results in output current dental meter failure.

Place the meter and resistors on the table so that they are at least 0. To avoid destroying the meter, never activate output terminal connected to Equipment: Same as in Section 4. Disconnect the meter and resistor from the unit. This unit may be completely calibrated without selecting or adjusting components. Normal entry to CAL Mode is signalled by a necessary to compensate for unit-to-unit manufac- continuous Lamp Test, with all display elements turing tolerances and to normalize performance If any power calibration targets were adjust- power down or move A3S1 yet.

The Sabre may be reconfigured in the field to change the mains voltage range and to change the 6. If restrapping from V to or Vpre- power-up setting restore feature. While wires are inserted fully into Sarbe, tighten 4.

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Verify security of the connection by pulling on the wires with The factory configures the unit to power up using the pliers. Be careful not to damage insulation. If the their use. Not all failures can be covered in a One may select one of three pulse frequencies by using the monopolar foot Armed with a good conmedd of the Theory switch. One of the selections places pulses contin- of 108 in Section 3, one can make effective uously inside the normal Watchdog Timer win- use of Diagnostic Modes in trouble-shooting dow, while the others are too early and too late.

Since the WDT timing accuracy and ability to may result in damage to other components which interrupt RF output are verified by the micro- had previously been spared by the microproces- processor on every power up, there is no need to sor’s fast response to overcurrents in RUN mode.

Check the Base Voltage Generator and Waveform The open circuit voltage on the switching lines Generator xonmed proper function before proceeding. Sanre all four fail to cause the unit to Section 4. Referring to Figure 5.

When the Top Refer to Figure 5. A notch on the left side will clear the left hand heatsink insulators for damage or holes and Top Conme stud, permitting the Shield to be replace if necessary. Use only Conmed-specifica- removed fully, left side first.

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Place spacer static-sensitive devices. Take appropriate static washers on the encoder bushings prior to mount- ing on the Control Panel; these washers are thick- control precautions during handling and ser- er than the ssbre washers used under the encoder vice. Page of 72 Go.

Table of Contents Add to my manuals Add. Page 6 This page intentionally left blank. Page 9 purged and filled with non-flammable gas prior possible from the electrosurgical site and the to abdominal surgery. Explanation Of Symbols 1. Installation And Operation Xonmed representative immediately. Preliminary Performance Testing Such testing is best carried out by use of an electrosurgical generator tester, as described in Section 4 of the Sabre Service Manual.

Conmed Sabre 180

Controls, Displays And Connectors 2. Operation This section contains information for ordinary upkeep of the Sabre Cleaning This option is available only from the 2. Page 26 Usually accompanied by audible or visible sparking. Rf Output Waveforms Figure 3. Page 32 The A. Page 35 will draw collector current in proportion to its The PA consists of a single power MOSFET dri- base current, which in turn is controlled by ving the emitters of three bipolar transistors.

Power Amplifier Waveforms Figure 3. Power On Reset combination of R6 and C6. Tone Generator lines, WV0-WV7, determine which waveform is swbre is switched on and off at the frequency of the selected by the microprocessor, and the lower desired tone.

Page 44 The following initialization sequence must be suc- Hand control, foot switch, and return electrode cessfully executed before the main working pro- inputs are monitored for changes. Page 50 This page intentionally left blank.

Aspen Return 10 a. Rf Output Power Fast blow V fuses rated at the meter full 4. Rf Leakage From Inactive Outputs 4. Cal Mode General 4. Rf Output Power Calibration conmmed. Option Selection The Sabre may be reconfigured xonmed the field to change the mains voltage range and to change the 6.

Power-up Default Selection 8. Pseudo Run Diagnostics di2 Since the WDT timing accuracy and ability to may result in damage to other components which interrupt RF output are verified by the micro- had previously been spared by the microproces- processor on every power up, there is no need to sor’s fast response to overcurrents in RUN mode.

Waveform Generator Troubleshooting proceed with this test; find the failed swbre If the Resistance Indicator vs. Continuity Detector Troubleshooting Check the Base Voltage Generator and Waveform The open circuit voltage on the switching lines Generator for proper function before proceeding.

Shield A notch on the left side will clear the left hand heatsink insulators for damage or holes and Top Cover stud, permitting the Shield to be replace if necessary. Comments to this Manuals Your Name.