Related Manuals for DMT 840MD
Summary of Contents for DMT 840MD
- Page 1 MYOGRAPH SYSTEM - 840MD USER MANUAL VOL. 3.0 Danish Myo Technology A/S | Tel.: +45 87411100 | Email: support@dmt.dk | Web: www.dmt.dk...
- Page 2 Danish Myo Technology A/S | Tel.: +45 87411100 | Email: support@dmt.dk | Web: www.dmt.dk...
- Page 3 3.6.2 VALVE DELAY 3.6.3 FORCE REC. OUTPUT 3.6.4 MEASUREMENT RANGE 3.6.5 INTERFACE SETTINGS 3.6.6 FORCE CALIBRATION 3.6.2 VALVE DELAY 3.6.3 FORCE REC. OUTPUT 3.6.4 MEASUREMENT RANGE Danish Myo Technology A/S | Tel.: +45 87411100 | Email: support@dmt.dk | Web: www.dmt.dk...
- Page 4 3.6.5.2 Factory Diagnostics CHAPTER 4 - PROTOCOL COMMANDS EXAMPLE 1 DESCRIPTION OF PROTOCOL EXAMPLE 1: EXAMPLE 2 DESCRIPTION OF PROTOCOL EXAMPLE 2: DIGITAL INPUT DIGITAL OUTPUT Danish Myo Technology A/S | Tel.: +45 87411100 | Email: support@dmt.dk | Web: www.dmt.dk...
- Page 5 SAFETY The 840MD has been designed for use only in teaching and research applications. It is not intended for clinical or critical life-care use and should never be used for these purposes; nor for the prevention, diagnosis, curing, treatment, or alleviation of disease, injury, or handicap.
- Page 6 General warnings regarding EMC: Do not use this device near sources of strong electromagnetic radiation (e.g. unshielded intentional RF sources), as these may interfere with the proper operation. Danish Myo Technology A/S | Tel.: +45 87411100 | Email: support@dmt.dk | Web: www.dmt.dk...
- Page 7 CHAPTER 1 - SYSTEM OVERVIEW INTERFACE Myo-Interface display Heat indicator Valve buttons Power indicator Figure 1.1 Interface Front Panel Danish Myo Technology A/S | Tel.: +45 87411100 | Email: support@dmt.dk | Web: www.dmt.dk...
- Page 8 RS 232 Port for serial ON/OFF switch (digital) Connection to PC Power connector 4 Recorder Coiling water circuit Vacuum input outputs (analogue) Figure 1.2 Interface Rear Panel Danish Myo Technology A/S | Tel.: +45 87411100 | Email: support@dmt.dk | Web: www.dmt.dk...
- Page 9 Force transducer pin Hooks support connected to Hooks support connected micrometer to force transducer Figure 1.3 MyoDynamics Muscle Strip Myograph - 840MD with close-up of the chamber Danish Myo Technology A/S | Tel.: +45 87411100 | Email: support@dmt.dk | Web: www.dmt.dk...
- Page 10 This chapter contains a complete step-by-step description of how to set up a complete Multi Myograph System as illustrated in figure 2.1. Figure 2.1 Example of complete set-up - MyoDynamics Muscle Strip Myograph System - 840MD Danish Myo Technology A/S | Tel.: +45 87411100 | Email: support@dmt.dk | Web: www.dmt.dk...
- Page 11 Power Lab, Rec 2 to Input 2 etc. Connect the PowerLab unit to one of the USB-ports on the computer using the USB cable delivered with the PowerLab system. Follow the “DMT Quick-Start Guide” provided with the PowerLab system to install the PowerLab driver and Chart software on the computer 2.
- Page 12 The stimulation electrodes are built into the chamber cover and can be used to activate the muscle via field stimulation. Figure 2.3 - Chamber cover with built-in electrodes for 840MD (optional) Danish Myo Technology A/S | Tel.: +45 87411100 | Email: support@dmt.dk | Web: www.dmt.dk...
- Page 13 Prior to shipping the MyoDynamics Muscle Strip Myograph System is subjected to two days of continuous testing, including a final force calibration. However, DMT recommends that a new force calibration is performed before using the myograph system for the first time. The force calibration procedure is described in detail in chapter 3.6.1.
- Page 14 Pressing the white X in the red box will exit the menu and take you automatically to the Actual Force display. Danish Myo Technology A/S | Tel.: +45 87411100 | Email: support@dmt.dk | Web: www.dmt.dk...
- Page 15 Three menus are accessible from the default Actual Force display. These menus are: Zero Menu Heat Menu Protocols Menu Settings Menu Danish Myo Technology A/S | Tel.: +45 87411100 | Email: support@dmt.dk | Web: www.dmt.dk...
- Page 16 The system will heat to the designated temperature setpoint. A little red light to the right of the touch screen will turn on when the heat is turned on. Danish Myo Technology A/S | Tel.: +45 87411100 | Email: support@dmt.dk | Web: www.dmt.dk...
- Page 17 When the protocol number is selected press ENTER to upload the protocol to the motor. The line will return to black. Chamber 3 Protocol no. 2 SELECT Chamber 4 Protocol no. 6 SELECT ENTER Danish Myo Technology A/S | Tel.: +45 87411100 | Email: support@dmt.dk | Web: www.dmt.dk...
- Page 18 The LEFT and RIGHT arrows at the bottom of the display are used to scroll between the different commands. The UP and DOWN arrows at the middle are used to change the numeric value in the command. Danish Myo Technology A/S | Tel.: +45 87411100 | Email: support@dmt.dk | Web: www.dmt.dk...
- Page 19 Protocol no. 5 Wait long [sec.] SELECT COPY ENTER UP and DOWN arrows to change numeric values LEFT and RIGHT arrows to select between the different commands Danish Myo Technology A/S | Tel.: +45 87411100 | Email: support@dmt.dk | Web: www.dmt.dk...
- Page 20 A quick press on the UP or DOWN arrow make the motor move 10µm. If the UP or DOWN arrow is pressed constantly, the motor speed will accelerate. Motor forward Motor reverse Danish Myo Technology A/S | Tel.: +45 87411100 | Email: support@dmt.dk | Web: www.dmt.dk...
- Page 21 Motor position scale with maximum travel marked with a STOP line Motor direction - forward/reverse Danish Myo Technology A/S | Tel.: +45 87411100 | Email: support@dmt.dk | Web: www.dmt.dk...
- Page 22 The calibration procedure is listed in 6 individual steps and needs to be performed for each channel or transducer when calibrating the system. Danish Myo Technology A/S | Tel.: +45 87411100 | Email: support@dmt.dk | Web: www.dmt.dk...
- Page 23 (see figure 3.2 and 3.3). Press NEXT STEP when the calibration kit has been properly placed. Figure 3.1 – Force calibration kit shown in place on a Myograph chamber. Danish Myo Technology A/S | Tel.: +45 87411100 | Email: support@dmt.dk | Web: www.dmt.dk...
- Page 24 Once the chamber(s) are heated and have reached the target temperature, press “NEXT STEP”. Danish Myo Technology A/S | Tel.: +45 87411100 | Email: support@dmt.dk | Web: www.dmt.dk...
- Page 25 45 seconds for the applied force to stabilize before BACK NEXT STEP pressing NEXT STEP. Once the four digit number has stabilized, press NEXT STEP. Danish Myo Technology A/S | Tel.: +45 87411100 | Email: support@dmt.dk | Web: www.dmt.dk...
- Page 26 Pressing ENTER after modifying the value(s) for valve delay will lock in the number(s) and be retained in memory every time the system is turned on. Danish Myo Technology A/S | Tel.: +45 87411100 | Email: support@dmt.dk | Web: www.dmt.dk...
- Page 27 NOTE: ANYTIME THIS FUNCTION IS CHANGED, A NEW FORCE CALIBRATION ON THE TRANSDUCERS SHOULD BE PERFORMED, ENTERING THE NEW VOLTAGE VALUES INTO THE DATA ACQUISITION SYSTEM BEING USED. Danish Myo Technology A/S | Tel.: +45 87411100 | Email: support@dmt.dk | Web: www.dmt.dk...
- Page 28 This is referred to as temperature offset (Temp Offset on chamber). Danish Myo Technology A/S | Tel.: +45 87411100 | Email: support@dmt.dk | Web: www.dmt.dk...
- Page 29 Danish Myo Technology A/S | Tel.: +45 87411100 | Email: support@dmt.dk | Web: www.dmt.dk...
- Page 30 Jump to line no. And execute the protocol from the new line - range is 1-30 16. Repeat How many times the protocol has to be repeated. The range is 1 to 250 times. Danish Myo Technology A/S | Tel.: +45 87411100 | Email: support@dmt.dk | Web: www.dmt.dk...
- Page 31 Wait short [msec.] Motor forward [µm] Wait long [sec.] Repeat Jump to line Protocol End Protocol example 1 - A typical protocol can look like this. Danish Myo Technology A/S | Tel.: +45 87411100 | Email: support@dmt.dk | Web: www.dmt.dk...
- Page 32 Use the arrows to select the protocol number. Chamber 3 Protocol no. Pres the ENTER button to go to the programming menu. Chamber 4 Protocol no. Danish Myo Technology A/S | Tel.: +45 87411100 | Email: support@dmt.dk | Web: www.dmt.dk...
- Page 33 STOP Chamber 2: Protocol 1 START STOP Chamber 3: Protocol 5 STOP START Chamber 4: Not Loaded START STOP START LOAD EDIT MANUEL PROTOCOL PROTOCOL CONTROL Danish Myo Technology A/S | Tel.: +45 87411100 | Email: support@dmt.dk | Web: www.dmt.dk...
- Page 34 Line 5: Wait long [sec.] Line 6: Motor reverse [µm] Line 7: Wait short [msec.] Line 8: Motor forward [µm] Line 9: Wait long [sec.] Line 10: Repeat Danish Myo Technology A/S | Tel.: +45 87411100 | Email: support@dmt.dk | Web: www.dmt.dk...
- Page 35 After programming (editing) the protocol, it is ready to be loaded into chamber 1. After loading, the protocol is ready to start. NOTE: AFTER A PROTOCOL HAS BEEN EDITED IT MUST BE RELOADED BEFORE IT IS ACTIVE. Danish Myo Technology A/S | Tel.: +45 87411100 | Email: support@dmt.dk | Web: www.dmt.dk...
- Page 36 Motor forward [µm] Wait long [sec.] Set Dig-OUT1 OFF Repeat Jump to line Protocol End Protocol example 2 - A typical protocol may look like this. Danish Myo Technology A/S | Tel.: +45 87411100 | Email: support@dmt.dk | Web: www.dmt.dk...
- Page 37 The protocol is ready for a new manual start from the display. NOTE: AFTER A PROTOCOL, ALWAYS MAKE A TEST RUN WITHOUT ANY TISSUE MOUNTED TO MAKE SURE THE PROTOCOL WORKS AS INTENDED. Danish Myo Technology A/S | Tel.: +45 87411100 | Email: support@dmt.dk | Web: www.dmt.dk...
- Page 38 Each output channel is bidirectional and works like a Relay. The maximum voltage at the output is 24volts. The output impedance is 120Ohm. The minimums pulse length at the output is 10m Danish Myo Technology A/S | Tel.: +45 87411100 | Email: support@dmt.dk | Web: www.dmt.dk...
- Page 39 Danish Myo Technology A/S | Tel.: +45 87411100 | Email: support@dmt.dk | Web: www.dmt.dk...
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