An internal component malfunction can damage the fuses. The system fuses may need to be replaced if the system fails the power-on self-test or if the system stops functioning, even though it is receiving power from a wall outlet.
Additional Resources. Product Details. Surgical Reimbursement. Can't find what you're looking for? Get in touch with your local Medtronic rep to get answers fast. Three bipolar modes are available: Low delivers precision and fine control over the amount of desiccation.
Standard is a conventional bipolar output at low voltage. Macro microbipolar may be used for bipolar cutting or rapid coagulation. Power remains constant over a wide range of tissue types. The auto bipolar feature senses tissue impedance between the two bipolar electrodes then uses the impedance information to automatically start or stop bipolar RF energy delivery.
Optionally, the user may choose between footswitch start and auto start, or program a delay between auto-start and RF activation. The refurbished ForceTriads are both technically and cosmetically refurbished back to their original engineering manufacturer specifications. The Medtronic ESUs get technically refurbished by fully trained, skilled, and certified in-house biomedical engineers. Every part of these electrosurgical units are tested to make sure they are working properly and the necessary parts are replaced.
Once everything is working the way it should, the Valleylab gets calibrated and dialed into the same specifications it had when it originally left the manufacturer. Once the ESU is working like new, it undergoes a special cosmetic restoration process where the unit is cleaned and minor scrapes and dents are repaired. This entire technical and cosmetic restoration process not only ensures the product functions like new, but it also looks new too.
If you or your medical facility are interested in purchasing a Covidien Valleylab be sure to contact our dedicated sales team at [email protected] or call GET-SOMA. If you or your facility have a used or pre-owned Covidien Valleylab Generator you are trying to sell, contact Soma Tech Intl!
We have an experienced purchasing department that will help you through the entire process from start to finish. Selling your used medical equipment to Soma Tech Intl cuts out the middle man and ensures that you will get top dollar for your equipment. Soma also gives the option for trade-in credit that you can use toward your next equipment purchase. If your facility is looking to regain floor space or extend your budget further for this year contact Soma Tech Intl to sell your used medical equipment today!
Soma Tech Intl offers a wide range of electrosurgical units. If you have any questions about any of our electrosurgical units, electrosurgical generators, or need a quick quote, call GET-SOMA and one of our knowledgeable sales representatives will help you.
SOMA 1. Toggle navigation. Medtronic Covidien Valleylab Force Triad. Other products by Valleylab Other products in Electrosurgical Units. System Conventions: Touchscreens The ForceTriad Energy Platform features a user-friendly interface with three touchscreens that allow the user to control system functions.
Power Modes As a safety feature, the simultaneous activation of multiple instruments is not possible on the Medtronic ForceTriad Energy Platform. Covidien recommends against the use of laparoscopic surgery on pregnant patients.
Bipolar instruments must be connected to the bipolar instrument receptacle only. Improper connection may result in inadvertent system activation. Use of these instruments with other Covidien generators or with generators produced by other manufacturers may not result in electrical output for which these instruments were designed and thus may not result in the desired clinical effect. If the seal-complete tone has not sounded, an optimal seal may not have been achieved. The LigaSure tissue-fusion function has not been shown to be effective for tubal sterilization or tubal coagulation for sterilization procedures.
Do not use this function for these procedures. Use caution during surgical cases in which patients exhibit certain types of vascular pathology atherosclerosis, aneurysmal vessels, etc.
For best results, apply the seal to unaffected vasculature. Do not activate the system in the LigaSure mode until the tissue-fusion instrument has been applied with the proper pressure. Activating the system before this is done results in an improper seal and may increase thermal spread to tissue outside the surgical site.
Tissue fusion requires the application of RF energy and pressure from the instrument. Tissue to be sealed must be firmly grasped between the instrument jaw electrodes. Tissue in the jaw hinge or outside the instrument jaw will not be sealed even if thermal blanching occurs.
LigaSure instruments that require single-use electrodes must be used with the correct electrode type. Use of these instruments with any other electrodes could result in injury to the patient or surgical team, or cause damage to the instrument. Conductive fluids e. Energy based devices, such as electrosurgical pencils or ultrasonic scalpels, that are associated with thermal spread should not be used to transect seals.
Avoid placing fingers in the handle ratchet mechanism or between the ring handles or jaws as applicable depending on the type of instrument.
Injury to the user may result. Activate the system only when the instrument is near or in direct contact with the target tissue to reduce the possibility of unintended burns. Electric Shock Hazard Do not remove the system cover.
Contact qualified personnel for service. Refer to Chapter 9, Maintenance and Repair for maintenance recommendations and function and output power verification procedures. Some surgical instruments e. If the instrument manufacturer recommends the use of a shunt cord s-cord to direct the current back to the system, you must also use a EB adapter.
When this system is used in procedures where conductive fluid saline or lactated Ringers is introduced into the surgical site for distention or to conduct RF current, higher than normal currents greater than one amp may be produced. In this situation, use one or more adult-size return electrodes.
Do not use return electrodes labeled for children, infants, babies, neonatal use, or pediatric use. This chapter provides detailed information about how the ForceTriad energy platform functions and how the internal components interact. The ForceTriad energy platform is a combination of a full-featured general-surgery electrosurgical unit and a LigaSure vessel sealing system.
The monopolar and bipolar sections of the system are isolated electrosurgical outputs that provide the appropriate power for cutting, desiccating, and fulgurating tissue during monopolar and bipolar surgery. The LigaSure section of the system provides power for vessel sealing. During monopolar electrosurgery, radio frequency RF current flows from the system to an active electrode, which delivers the current to the patient. The LigaSure vessel sealing system provides precise energy delivery and electrode pressure to vessels for a controlled time period to achieve a complete and permanent fusion of the vessel lumen.
The system automatically senses resistance and adjusts the output voltage to maintain a consistent tissue effect across different tissue impedance. This adjustment is based on the selected mode, the power setting, and the level of tissue resistance.
The system uses the REM Contact Quality Monitoring system to monitor the quality of electrical contact between the patient return electrode and the patient. The REM system is designed to minimize the risk of burns at the return electrode site during monopolar electrosurgery. When the user connects a REM Polyhesive patient return electrode to the patient return electrode receptacle, they activate the REM system.
When the user activates monopolar output, the system connects the patient return electrode path. If the user activates bipolar output while a return electrode is connected to the patient, the return electrode circuit is deactivated automatically to eliminate the possibility of current dispersal.
The REM system also adapts to individual patients by measuring the initial contact resistance baseline resistance between the patient and the patient return electrode. If the tissue impedance at the return electrode decreases during electrosurgery, the REM system resets the baseline resistance. The REM Alarm indicator flashes red, a tone sounds, and the system stops producing output power when either of the following occurs:.
The REM Alarm indicator remains illuminated red until the condition causing the alarm is corrected. Then, the indicator illuminates green and RF output is enabled. The rectified voltage is monitored and is flagged if the voltage starts to drop too low or if the rectified voltage exceeds VDC. The AC section also incorporates a soft start circuit that reduces the inrush AC current at power up.
These limits include over voltage, over current, over power, and short circuit. Another feature of the HVDC is an active discharge circuit; this circuit places a load across the output. Operation of Principles.
A push-pull topology is used to accomplish this voltage conversion. The gate-drive signals turn on each of the FETs at opposite times to deliver a waveform at the specified power requested from the user. Primary and redundant sense circuits detect the RF output voltage and current. An accurate scaled down AC voltage representative of each of these is sent to the controller PCBA, which in turn keeps the output at levels appropriate for the mode in use.
Four sense relays for each circuit correspond to specific modes and switch in voltage dividers tuned to divide the output signals to levels that are manageable for the controller PCBA. Three relays for each voltage sense circuit divide down the output voltages from Vpk - Vpk to around 1 Vpk, depending on the mode selected by the user.
The current sensors use one relay for each circuit; this relay activates for currents higher than 1 A RMS. The sensor signals are passed through a multiplier which uses a gain control signal from the controller PCBA.
After this multiplier stage, the signal is filtered and routed to the controller PCBA. RF voltage and current foldback circuits use the ranges selected on the sensors to determine if a limit has been reached. This in turn reduces the RF output amplitude. It is used to monitor the bipolar output impedance. The RF PCBA also features a leakage current monitor circuit, which measures the active and return of the system and puts out a DC voltage that represents the difference.
If this voltage exceeds a limit, the RF is folded back to prevent excess leakage current. The sensor circuit provides RF output voltage and current monitoring to software in order to deliver the correct energy dosage during a surgical procedure.
Two identical sensory circuit paths, composed of a primary and backup, are implemented to provide fail-safe mitigation in the event of circuit failure. Because each primary and backup sensor circuit mirrors the other, the sensed output voltages, which are monitored by software, are equal when the sensory system maintains proper operation. In the event of a failure of the primary or backup sense circuit, dissimilar outputs are present and software detection stops delivery of RF.
The user is notified with an error message displayed on the front panel of the ForceTriad energy platform. Each primary and backup sensory circuit consists of four processing elements to ensure that the correct RF is delivered. In the description that follows, the primary sensory path is identified for the voltage-sense circuitry, with reference designation only provided to the backup circuit.
Backup-circuit operation is identical to the primary circuit that is described here. RF current-sense circuit process is symmetrical to the voltage-sense description in that it also uses four processing elements. The only notable difference between voltage and current sensing is the different transfer gains required to adequately address the dynamic range of individual system operating modes.
First: Transformer T6, along with resistors R and R, provide RF output voltage monitoring by generating a proportionately scaled, secondary-sense voltage, which is correlated to the delivered RF output voltage. Backup referenced components are T1, R95, and R Second: Coupled to the secondary of transformer T6, a software-controlled switchedpad network is implemented to provide proper impedance scaling to address the dynamic sensory range required for all operating modes of the system. This pad-impedance switched network is used to develop the proportionately scaled secondary sense voltage of T6.
Resistors R and R provide the initial impedance termination, paralleled by resistor-paired components R and R, R94 and R, and R85 and R, which are switched independent on the selected system cut, blend, and coag operating modes respectively.
Third: The Pad network output of T6 is then differentially fed to a gain control module, U18, which provides continuous gain control to normalize the sensed voltage output, independent of system operating modes and delivered RF power levels. Amplifier, U19, buffers the signal received from software which is used to precisely control the gain of U18, while amplifier U17 provides a scaled differential-output voltage,.
Backup referenced components are gain-control module U40, buffer amp U31, and difference amp U30 respectively. Fourth: The output of amplifier U17 is now delivered to the last stage for sensory-signal processing. An anti-alias filter device, U16, receives the difference signal from U The last stage of sensor processing provides a benefit to the RF-monitored output; it increases the accuracy of the delivered RF by minimizing noise to the sensed signals.
Backup components U29, R, and R are used. To accommodate the need for high isolation between the patient and ground-referenced voltages during use, the ForceTriad Steering Relay PCBA design incorporates several different types of relays designed for very high voltage standoff.
In addition, cut-outs on the PCBA increase distances at strategic locations to help reduce creepage issues. Because only one output can be active at any given time, the Steering Relay PCBA plays an important role in maintaining the isolation between all the outputs and their respective circuits. During mono and footswitch modes, a return path, called Mono return, is required.
This circuit monitors the resistance between the two return areas on a REM electrode. This 80 kHz signal monitors the bipolar output impedance. The circuits used to detect hand-switching requests are powered from individual, highly isolated power supplies.
When an active hand-switch signal is detected, the detection signal is transferred across an optocoupler and is sent to the microprocessor. The final function of this PCBA is footswitch and bipolar sense. These circuits determine if an instrument is connected to any of the receptacles. A single IC handles bi-directional communication. Data is read out of the FIFO and presented to the displays at the pixel rate. In either case, the pixel rate must be derived from the receive clock to keep the display output in sync with the display data generation on the controller PCBA and prevent overflowing or under flowing of the pixel FIFO.
The touch-screen driver reads user input from the touchscreens. The touchscreen driver polls each screen in turn to determine whether the user is pressing on it. If so, the X and Y position of the touch are detected. The FPGA stores this value in the touch-screen register.
The FPGA stores this value in the touch-screen register along with the X-coordinate value and the address of the touchscreen that has been touched. The register data is sent to the Controller which updates the display image. The power supply has an input of 5 V and converts it down to 3. Based on these parameters, the FPGA accesses corresponding parallel data from flash memory, serializes it and passes it out to the DAC.
Control data is also passed to the DAC that sets the volume level of the output-amplifier stage. Footswitch data is collected and sent to the controller PCBA as well.
From those input voltages it also generates 2. The 2. The 5 V rail should draw approximately mA. The 12 V rail should draw approximately mA at full volume with no expansion port peripherals connected. The 12 V supply is used by the audio amplifier, TPA, and also generates all of the isolated-power supplies. The master of this bus is the controller PCBA. Three commands can be received from the controller PCBA; reset, parameter write and parameter read. The reset command resets all internal-state machines inside the FPGA.
It also immediately stops a running audio stream. The parameter commands allow the controller to write and read three internal parameters that control sending out audio data. The wave-file parameter selects a particular wave file in the flash memory by selecting a base memory address from a look up table.
The duration parameter selects how many times to repeat the wave file. Since each wave file is a fixed length, that file can be repeated up to 30 times, or it can be told to be sent out continuously until another command is received.
Finally, the volume parameter simply selects a volume level between 0 mute and highest volume, approximately 60 dBA. When a command is received, the FPGA processes that command only once. For example, if a particular wave file is selected to be played twice, the FPGA plays that wave file twice and then stop until a new command is received.
If a wave file is to be played continuously, it can be set using the duration parameter. After being cleared, the FPGA immediately polls the footswitches for new footswitch activations.
It is controlled by two serial interfaces. One interface streams leftand right-channel audio data. The other interface sends control data to the DAC, including amplification settings. The volume parameter is passed directly to the DAC by way of this interface. It is a 6 W amplifier and runs off 12 V. The FPGA, as noted above, polls the footswitches for activations. The expansion port also has an RS interface that links directly to the controller.
The controller PCBA regulates all system outputs, receives and interrupts all customer inputs, monitors the entire system for safety issues and proper functionality, and acts as the overall manager for all systems within the ForceTriad. These are discussed in the next few pages. The controller PCBA constantly monitors the health and overall operation of the system. If the unit operates outside of a set of operational specifications built into the system, the system alerts the user of the malfunction or system issue using an error code.
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Preface This manual and the equipment it describes are for use only by qualified personnel trained in the particular technique and surgical procedure to be performed. Caution Indicates a hazardous situation which, if not avoided, may result in minor or moderate injury.
Notice Indicates a hazard which may result in product damage. Important Indicates an operating tip or maintenance suggestion. Limited Warranty Covidien warrants each covered product listed below to be free from defects in material and workmanship for normal use and service for the period s set forth below. Table of Contents Preface. Overview and General Features Introduction. Patient and Operating Room Safety General.
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