variable speed infusion pump
Contents
1. 798 4 959 5 794 8 353 8 843 9 694 10 732 11 861 13 112 16 264 18 092 9 20 00 0 688 2 446 4 236 6 397 6 612 7 726 11 137 11 789 12 925 14 310 15 814 17 483 21 686 24 122 To calculate the flow rate of a syringe not given above use the following formula Flow Rate mL min 0 19538 RPM syringe cross sectional area DOC 001 Rev 3 5 Copyright O 2013 MED Associates Inc MED Control Connect the MED Control connector shown in Figure 3 1 to any available output on a Standard MED Connection Panel using a standard Molex cable The pinout of the 3 pin Molex connector is shown in Figure 3 4 Upon receiving an operate signal the pump will begin the infusion the settings of the TIME and RATE switches on the front panel and then it will stop The operate signal must be toggled off between infusions Any changes made to the TIME and RATE settings during an infusion will not be acknowledged Figure 3 4 MED Control Connector Pinout Molex Pin Function 1 1 Not Used Numbered 2 Molex 2 28 Volts Connector 3 3 Operate TTL Control 5V Connect the TTL ground to the screw terminal and the TTL operate signal to the screw terminal A TTL high to low transition on the operate line activates the pump CAUTION Voltage levels above 5 2 VDC at the TTL terminals can damage the unit Switch Closure Control Simply connect a switch between the and screw terminals Closing the switch will operate the pump The switch must be2. State Notation 12 MED RC Log Error S iii MU 14 Chapter 5 Automatic Shut Off Switch Adjustment ss 15 Appendix A PHM 100VSS Addressing Scheme ccccccccccsscccccccccccccccccccerececcccsesecceesenesenes 16 Appendix B Contact Information 17 ii DOC 001 Rev 3 5 Copyright 2013 MED Associates Inc MED ASSOCIATES INC PHM 100VSS VARIABLE SPEED INFUSION PUMP CHAPTER 1 INTRODUCTION The PHM 100VSS provides infusions from 0 1 to 99 9 seconds at rates ranging from 0 5 to 20 RPM The unit can be operated using a MED interface output bit a TTL control line a switch closure MED PC or a computer with the serial control The PHM 100VSS requires 110 volts 60 cycle AC Use part number PHM 100VSSA for 220 volt 50 cycle applications The PHM 100VSS requires a DIG 729 High Speed Serial controller card in the operating computer if used with MED PC Figure 1 1 PHM 100VSS Front View Variable Rate Infusion Pump TIME RATE zx 2 O Operate Flush 0 1 05 2 10 3 15 4 20 5 333 6 50 T 10 8 15 20 0 0 0 XX X secs 5 med aSSOCIS ES inc PHM 100VSS DOC 001 Rev 3 5 Copyright 2013 MED Associates Inc MED ASSOCIATES INC PHM 100VSS VARIABLE SPEED INFUSION PUMP CHAPTER 2 SYRINGE PLACEMENT Care should be exercised to ensure that the hub of the syringe barrel is positioned adjacent to the syringe clamp when loading the syringe pump If a gap exists between the hub and th
3. ap MEO associates inc instrumentation and software for research VARIABLE SPEED INFUSION PUMP WITH SERIAL CONTROL PHM 100VSS USER S MANUAL DOC 001 Rev 3 5 Copyright 2013 All Rights Reserved Med Associates Inc P O Box 319 St Albans Vermont 05478 Phone 802 527 2343 Fax 802 527 5095 www med associates com PHM 100VSS VARIABLE SPEED INFUSION PUMP DOC 001 Rev 3 5 Copyright O 2013 MED Associates Inc PHM 100VSS VARIABLE SPEED INFUSION PUMP Table of Contents Chapter 1 Miren IIR 1 Chapter2 Syringe Placement reete eee rove ses scevesedeesscsesescevdoscesestencdvessedesteesesestesseveneess 2 Primihg tlie Line ete RR ni don 3 Glass Syringes eee dente iore o ei eene 3 Chapter 3 Controlling the Pump in Manual Mode eee 4 Setting the TIME and RATE Switches iii 5 Flow Rates and Pump Speeds imer iii 7 MED COntro 55 EE 8 TELContr l OV ii ERR RENTRER ERIT RENDERE ee E ERE nd ere 8 Switch Clos re Controlin te UR Db REC hee e CE Reb reet obe UE haee ae ee Dor pul reete 8 Chapter 4 Controlling the Pump in PC Mode cccecececececececeeeeeceeeeececeeeeecececeseeeceeeeeseseeeeeeess 9 DIG 729 Installation eere ett eR e et amet ete ee e t RI RES ERE Pee Ede tenga 9 Wiring INStRUCHIONS 2 I AAA Gee sect hat nek i a s nent 9 Controlling the Pump Using MED Test 10 Controlling the Pump Using the Included MED State Notation 11 Controlling the Pump Using Custom MED
4. e clamp accurate flow rates cannot be assured as the entire syringe both barrel and plunger may move forward A visual check by observing the plunger move in relation to the barrel by rotating the front knob of the pump is advised Figure 2 1 illustrates the procedure for loading a syringe into the pump Figure 2 1 Loading a Syringe 1 Move the slide to rear toward motor section by squeezing the jaws Insert syringe by lifting clamp cover and placing the syringe body into the clamp Move the slide to the end of the syringe po ow m ou Rotate the knob so that the slide makes contact with the plunger and the syringe contacts the clamp DOC 001 Rev 3 5 Copyright O 2013 MED Associates Inc Priming the Line Once the syringe is installed the line should be primed until liquid drips out of the syringe or tubing This ensures that fluid will be infused properly when the pump is activated Prime the line by setting the Flush switch in the down position for as long as required The settings of the TIME and RATE switches are not recognized when the Flush switch is on the pump will operate at 10 RPM and will only operate when a timed infusion is not in progress Glass Syringes Extra caution should be exercised when using glass syringes with a ground glass plunger These syringes exhibit almost no sliding friction and thus can cause an uncontrolled infusion in the following two ways 1 The weight
5. e the automatic shut off switch to activate sooner In order to reset this switch and resume pump operation the slider must be moved back until the Automatic Shut Off Switch is deactivated Figure 5 1 Automatic Shut Off Switch Adjustment 15 DOC 001 Rev 3 5 Copyright 2013 MED Associates Inc MED ASSOCIATES INC PHM 100VSS VARIABLE SPEED INFUSION PUMP APPENDIX A PHM 100VSS ADDRESSING SCHEME The PHM 100VSS pump address settings should only be modified if a new pump is being added to an existing network If the pumps have been purchased from MED Associates as part of a package or system the addresses have been factory set and there is no need to adjust these settings To change the address or termination settings of a PHM 100VSS pump remove the two recessed screws from the bottom panel of the unit There is an 8 position dipswitch that resembles Figure 5 2 Figure 5 2 PHM 100VSS Dipswitch ADDRESS NOT TERMINATE USED Switches 1 through 4 are used for setting the pump s address according to Table 5 1 Switches 6 7 and 8 are used for differential line terminations which are preset at the factory Do not change unless adding additional pumps to the configuration Only the last pump in the series should have switches 6 7 and 8 set to ON All other pumps should have these switches set to OFF Switch 5 is not used In Figure 5 2 the pump address is set to 1 and since the terminate switches are all ON it is the last p
6. ements must be expressed using square brackets P 1 not the normal parenthesis used in MEDSTATE NOTATION MedState Notation Examples The following two examples are functionally equivalent A five second infusion at 3 33 RPM is used as the reinforcer for an FR 10 schedule Example A Sessi S1 0 01 SETPUMP MG BOX 3 33 5 S2 S2 10 R1 gt ONPUMP MG BOX S2 Example B LIST P 0 3 33 5 S S 1 Sl 0 01 SET P 0 BOX SETPUMP MG P 0 P 1 P 2 gt 82 S25 10 R1 ONPUMP MG P 0 gt S2 13 DOC 001 Rev 3 5 Copyright 2013 MED Associates Inc MED PC Log Errors If a pump parameter is improperly specified or a pump is not responding MED PC will flag the error in the log files The following list describes the errors and how to correct them Error 1 Pump is not responding 2 Rate must be between 0 5 and 20 RPM 3 Duration must be 0 1 to 99 9 seconds 4 Pump halted due to errors Cause The pump specified by SETPUMP did not return the proper checksum within the time required Rate is not set within the allowable range Duration is not set within the allowable range ONPUMP command not allowed due to errors in a previous SETPUMP command 14 Correction Check that a pump with that number exists in the system Verify that the unit s power is on Check all network cabling Refer to page 1 for electrical connectio
7. ght O 2013 MED Associates Inc Figure 4 2 Controlling Additional Pumps MED Control Switch LL Manual Manual MODE KE HE MODE U P p gt to DIG 729 to PUMP 3 PUMP 1 PUMP 2 NOTE The length of the SG 219C cables used to connect the pumps should not exceed 10 feet PHM 100VSS node numbers are factory set and should be clearly labeled on the pump case The units can be daisy chained in any order however the last unit in a series must have the highest node number and must have the terminate switches ON In most cases users will not need to adjust the network address or terminate settings on the PHM 100VSS pump However if a new PHM 100VSS pump is being added to an existing daisy chain network the network address and terminate settings of the PHM 100VSS pumps may need to be reset See Appendix A for details on changing network addresses and terminate settings on the PHM 100VSS pump Controlling the Pump Using MED Test The MED Test software allows the user to test the PHM 100VSS pumps MED Test is included on the MED PC software CD If an updated version of MED Test is needed please contact MED Associates for instructions on how to get the latest version Open MED Test and select Pumps PHM 100VSS to open the Test Screen Figure 4 3 MED Test Screen PHM 100 SS Node 1 BPM 0 5 Infusion Time sec 5 Sum Check Sent 282 Lock On Sum Check Rec 282 Lock Off Exit Enter the node numbe
8. hesis used in MEDSTATE NOTATION OnPump The ONPUMP command selects the pump node and turns that pump on It is not necessary to issue a SETPUMP command each time the pump is turned on Allow at least one clock tick between the SETPUMP command and the ONPUMP command i e do not place both commands in the same State Syntax OnPump MG P1 Where MG MED PC Global Pointer P1 The Pump Node Value 1 to 16 12 DOC 001 Rev 3 5 Copyright O 2013 MED Associates Inc Comments P4 may be a number constant special identifier or variable Note Array elements must be expressed using square brackets P 1 not the normal parenthesis used in MEDSTATE NOTATION LockOnPump The LockOnPump command selects the pump node and locks on the pump until a LockOffPump command is sent Syntax LockOnPump MG P1 Where MG MED PC Global Pointer P1 The Pump Node Value 1 to 16 Comments P4 may be a number constant special identifier or variable Note Array elements must be expressed using square brackets P 1 not the normal parenthesis used in MEDSTATE NOTATION LockOffPump The LockOffPump command selects the pump node and turns off the pump It can even turn off the pump when it was turned on with the PumpOn command Syntax LockOffPump MG P1 Where MG MED PC Global Pointer P1 The Pump Node Value 1 to 16 Comments P4 may be a number constant special identifier or variable Note Array el
9. infusion when operating in Manual mode If the end of the syringe is reached during an infusion the Automatic Shut Off Switch will be activated and the infusion will be stopped Refer to the Automatic Shut Off Switch Adjustment section of this manual for further information Figure 3 1 Back Panel of the PHM 100VSS MED Control Manual MODE U Figure 3 2 Front Panel of the PHM 100VSS Variable Rate Infusion Pump TIME 5 2 e Q Operate Flush UO i ND 0 5 1 0 21 5 20 3 33 5 0 10 15 20 0 0 0 XX X secs b MEO associates ino PHM 100VSS DOC 001 Rev 3 5 Copyright 2013 MED Associates Inc Setting the TIME and RATE Switches The duration and speed of the infusion are set using the TIME and RATE pushbutton switches on the front of the PHM 100VSS The TIME switches are used to set infusion times from 00 0 to 99 9 seconds and the RATE switch is used to select the pump RPMs as indicated by the table on the pump and also shown in Table 3 1 For example a RATE pushbutton switch setting of 2 would produce a speed of 1 0 RPM Note that O is not used and has no effect In the example shown in Figure 3 3 the infusion time has been set to 35 0 seconds and the rate is set to 2 0 RPM If the end of the syringe is reached during an infusion the Automatic Shut Off Switch will be activated and the infusion will be stopped Refer to the Automatic Shut Off Switch Adjustment section
10. n information Try operating the unit using the MED Test program Call MED Associates for assistance if necessary Verify that the proper rates are used Refer to the Controlling the Pump Using Custom MED State Notation section of this manual Verify that the proper durations are used Refer to the Controlling the Pump Using Custom MED State Notation section of this manual Check the log for previous errors and refer to the listings above for explanations DOC 001 Rev 3 5 Copyright O 2013 MED Associates Inc MED ASSOCIATES INC PHM 100VSS VARIABLE SPEED INFUSION PUMP CHAPTER 5 AUTOMATIC SHUT OFF SWITCH ADJUSTMENT The automatic shut off switch is activated when the pump reaches the end of the syringe causing the pump motor to cease operation The automatic shut off switch uses an internal micro switch that detects when the slide assembly reaches a certain point This point is adjustable so that the pump can accommodate various sizes and brands of syringes To adjust the automatic shut off switch insert an empty syringe with the plunger at the desired shut off position Move the slide assembly to the rear of the plunger Figure 5 1A With the pump turned on switch the Flush switch on and rotate the adjustment screw Figure 5 1B until the pump stops operating Turning the screw clockwise will allow the pump to operate longer before the automatic shut off switch activates Conversely turning the screw counterclockwise will caus
11. of the plunger may be sufficient to push the fluid out of the syringe if the syringe is held with the plunger above the syringe 2 The weight of the fluid in the tubing may be sufficient to siphon the fluid out of the syringe if the catheter infusion site is below the height of the syringe 3 To test for these two conditions it is suggested that the syringe be connected to the tubing and held vertically at the height of the pump If no motion occurs the syringe can then be placed in the pump The following may reduce the danger of an uncontrolled infusion 1 Lower the relative height of the infusion pump in relation to the infusion site With the pump below the infusion site the instrument will pump the fluid to the higher elevation 2 Use a smaller bore catheter which will reduce the weight of the fluid in the tubing and increase the friction on the flowing fluid 3 Position the pump so that the syringe is vertical plunger below thus the weight of the syringe plunger will be acting against the weight of the fluid Use a syringe with a rubber seal on the plunger i e an O ring sealed or plastic syringe DOC 001 Rev 3 5 Copyright O 2013 MED Associates Inc CHAPTER 3 CONTROLLING THE PUMP IN MANUAL MODE The following control options can be used to control the pump when the MODE switch is in the Manual position as shown in Figure 3 1 The settings of the TIME and RATE switches will determine the duration and rate of the
12. of this manual for further information Figure 3 3 Example Settings Table 3 1 RATE Pushbutton Switch Settings RATE Pushbutton x Corresponding RPMs Setting 0 N A 1 0 5 2 1 0 3 1 5 4 2 0 5 3 33 6 5 0 7 10 0 8 15 0 9 20 0 DOC 001 Rev 3 5 Copyright O 2013 MED Associates Inc MED ASSOCIATES INC PHM 100VSS VARIABLE SPEED INFUSION PUMP DOC 001 Rev 3 5 Copyright O 2013 MED Associates Inc Flow Rates and Pump Speeds The following table shows the flow rates in milliliters per minute of several commonly used syringes 50 60 mL Tnumbwnec Motor 1 m 2 m 5 p 10 mi 10 mi 12 mi 20 mi 20 mi 20 mL 30 m 30 m 35 m Plastipsk 50 mL Setting RPM Multifit Multifit Multifit Plastipak Multifit Monoject Plastipak Multifit Monoject Plastipak Multifit Monoject Monoject Multifit 1 0 50 0 017 0 061 0 106 0 160 0 165 0 193 0 278 0 295 0 323 0 358 0 395 0 437 0 542 0 603 2 1 00 0 034 0 122 0 212 0 320 0 331 0 386 0 557 0 589 0 646 0 715 0 791 0 874 1 084 1 206 3 1 50 0 052 0 184 0 318 0 480 0 496 0 579 0 835 0 884 0 969 1 073 1 186 1 311 1 626 1 809 4 2 00 0 069 0 245 0 424 0 640 0 661 0 773 1 114 1 179 1 292 1 431 1 581 1 748 2 169 2 412 5 3 33 0 115 0 408 0 706 1 066 1 102 1 288 1 856 1 965 2 154 2 385 2 636 2 914 3 614 4 02 6 5 00 0 172 0 612 1 059 1 600 1 653 1 931 2 784 2 947 3 231 3 577 3 954 4 371 5 421 6 031 7 10 00 0 344 1 223 2 118 3 198 3 306 3 863 5 895 5 895 6 462 7 155 7 907 8 741 10 843 12 061 8 15 00 0 516 1 835 3 177 4
13. opened and closed again to activate the pump for another cycle DOC 001 Rev 3 5 Copyright O 2013 MED Associates Inc CHAPTER 4 CONTROLLING THE PUMP IN PC MODE The supplied software allows the pump to be controlled using MED Test program or MED PC when the MODE switch is in the PC position The settings of the TIME and RATE switches are not recognized when operating in PC mode If the end of the syringe is reached during an infusion the Automatic Shut Off Switch will be activated and the infusion will be stopped Refer to the Automatic Shut Off Switch Adjustment section of this manual for further information DIG 729 Installation Consult the DIG 729 High Speed Serial Controller Installation Guide MED Associates Part Number DOC 002 for instructions on installing the DIG 729 card Wiring Instructions Connect the female DB 15 port on the back panel of the PHM 100VSS to the DIG 729 card in the PC using the SG 219C cable provided Figure 4 1 Connect Female DB 15 to DIG 729 Card MED Contro Switch vo E PI Connect the PHM 100VSS power cord to a standard wall outlet and power on using the lighted ON OFF switch To control additional PHM 100VSS pumps connect them in daisy chain fashion by connecting the male DB 15 port on the first pump the female DB 15 port on the second pump using an SG 219C cable Up to 16 pumps may be daisy chained together in this fashion 9 DOC 001 Rev 3 5 Copyri
14. opyright O 2013 MED Associates Inc 934 Send the values down to the Pump 0 01 SetPump MG BOX R D v SHOW 1 Duration D 2 Rate R 3 Pump Off 0 SET E D A gt SA S4 Wait for command to turn the Pump on K1 OnPump MG BOX SET R R 1 SHOW 3 Pump On l gt S5 K2 OnPump MG BOX SET R R 1 SHOW 3 Pump On l gt S5 K3 LockOnPump MG BOX SHOW 3 Pump On l gt S6 55 X Make sure the User can t send another OnPump V command while the Pump is running EST IF R gt 20 True False True SET R 20 gt S3 GFalse IF R lt 1 True GFalse True SET R 1 gt 83 False gt 53 S6 Turn the Pump off K4 LockOffPump MG BOX gt S3 Controlling the Pump Using Custom MED State Notation The PHM 100VSS can be controlled using the included MED State Notation procedure PHM 100VSS mpc or a custom procedure can be created using the following commands SetPump The SETPUMP command sets all pump parameters to be the same as the specified pump and retains them until they are changed or power is turned off Syntax SetPump MG P1 P2 P3 Where MG MED PC Global Pointer P1 The Pump Node Value 1 to 16 P2 The Rate 0 5 to 20 RPM P3 The Infusion Time 0 1 to 99 9 seconds Comments P4 through P3 may be numbers constants special identifiers or variables Note Array elements must be expressed using square brackets P 1 not the normal parent
15. r each of these steps may not be seen Open MED PC and the MED PC Experiment Loading Wizard s Welcome screen will appear Follow the steps to load the program issue a START command or the desired K pulse by selecting to Configure Signals X Copyright C 2008 MED Associates All rights reserved PHM100VSS MPC This program demonstrates how to properly call the MED PC commands that Start and Stop the PHM 100VSS Pump The BOX parameter specifies which PHM 100VSS Pump to start When this program is running in Box 1 then the BOX parameter will equal 1 and Pump 1 will Start When this program is running in Box 2 then the BOX parameter will equal 2 and Pump 2 will start etc This allows the same program to be run in multiple Boxes and control different Pumps LL LL LL LL NV A Control Variables with Assigned Aliases as Defined Var Alias Duration 0 1 99 9 seconds D Default 10 seconds Var Alias Rate 0 5 20 0 RPM R Default 1 Revolution Per Minute V List Working Variables Here E Infusion Duration in MED Ticks X K Pulses Used in this Program Kl Turn on the Pump at the currently set Rate and then increase the Rate by 1 K2 Turn on the Pump at the currently set Rate and then decrease the Rate by 1 K3 Lock on the Pump at the currently set Rate K4 Turn off the Pump 549x Sly 0 001 SET D 10 R 1 ee S2 S2 START gt S3 1 SHOW 1 Duration D 2 Rate R gt S2 11 DOC 001 Rev 3 5 C
16. r the pump should be labeled with this number the desired rate RPM and Infusion Time in seconds Once these values are entered click Set Pump to start the PHM 100VSS pump After the data is sent to the pump the pump s status is displayed in the Sum 10 DOC 001 Rev 3 5 Copyright O 2013 MED Associates Inc Check Sent and Sum Check Rec fields The two fields should match If a pump is not responding check that the power is on and all network connections have been properly made If necessary contact MED Associates for further assistance Once the correct data has been entered and the pump is responding the pump can be turned on by clicking the Pump On button A pump may be operated repeatedly with the same data by repeatedly clicking the Pump On button Controlling the Pump Using the Included MED State Notation To control the pump using the program that is included on the PHM 100VSS CD insert the CD into the CD ROM drive and click To Install the PHM 100VSS Software The procedure is copied into the installation directory Programs written in MedState Notation must be translated using Trans IV before they can be executed in this application Open Trans IV icon and select Translation Translate and Compile Select the program s to use and click Make Click OK to start the translator and it will automatically parse the MedState Notation and then open to a DOS screen to compile the Pascal code Depending on the speed of the compute
17. ump in the series 16 DOC 001 Rev 3 5 Copyright O 2013 MED Associates Inc Table 5 1 Address Switch Positions Pump Address 1 10 11 12 13 14 15 16 APPENDIX B 1 OFF ON OFF ON OFF ON OFF ON OFF ON OFF ON OFF ON OFF ON CONTACT INFORMATION Switch Number 2 ON OFF OFF ON ON OFF OFF ON ON OFF OFF ON ON OFF OFF ON 3 ON ON ON OFF OFF OFF OFF ON ON ON ON OFF OFF OFF OFF ON ON ON ON ON ON ON ON OFF OFF OFF OFF OFF OFF OFF OFF ON Please contact MED Associates Inc for information regarding any of our products Visit our website at www med associates com for contact information For technical questions email support med associates com 17 DOC 001 Rev 3 5 Copyright 2013 MED Associates Inc
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