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CAPINTEC, INC.

CAPTUS

600

CHAPTER 19

MULTICHANNEL ANALYZER

OPERATION

MCA MEASUREMENTS

The Multichannel Analyzer can be used for measurements in the Well or Probe.

Press the

HOME

key and then the

UTIL

key. The main

Utilities

menu (Figure 19-1) will

appear.

UTILITIES

1. MULTICHANNEL ANALYZER

2. STAFF BIO ASSAY RESULTS

3. SETUP

4. DIAGNOSTICS

0. RETURN TO PROBE SCREEN

14:32

Figure 19-1

Press

to select

MULTICHANNEL ANALYZER

. The Multichannel Analyzer Select Input

Screen (Figure 19-2) will appear.

M U L T IC H A N N E L AN A L Y Z E R

1 . W E L L

2 . P R O B E

S E L E C T IN P U T

0 . R E T U R N T O U T IL IT IE S M E N U

Figure 19-2

November 07

MULTICHANNEL ANALYZER OPERATION

19-1

Содержание CAPTUS 600

Страница 1: ...rrow Road Ramsey NJ 07446 Phone 800 ASK 4CRC Fax 201 825 1336 Capintec Inc Service Center 620 Alpha Drive Pittsburgh PA 15238 Phone 800 227 6832 Fax 412 963 0610 Copyright 1995 Capintec Inc CAPTUS is...

Страница 2: ......

Страница 3: ...Storage 2 3 Isolation Transformer 2 4 Printer 2 4 Readout Unit 2 4 Nuclear Data 2 4 Calibration Source Data 2 5 Multichannel Pulse Height Analyzer 2 5 Diagnostics and Test 2 5 Utilities 2 5 Display 2...

Страница 4: ...Number and Letters 3 7 SPACE Key 3 7 Decimal Point 3 7 BLANK ENTRIES 3 8 INVALID VALUES 3 8 ENTERING DATE and TIME 3 8 SETUP PASSWORD 3 8 YES or NO Answers 3 9 COUNTING METHODS 3 9 MEASUREMENT ERRORS...

Страница 5: ...ing 5 2 SETTING HOSPITAL OR FACILITY NAME 5 3 CURIES BECQUEREL SETUP 5 4 Cs137 STANDARD SETUP 5 7 CHI SQUARE TEST SETUP 5 9 CONVERSION FACTORS 5 11 Entering Nuclide Name 5 13 Selecting Measure or Inpu...

Страница 6: ...RE 9 1 PRE DOSE MEASUREMENT 9 1 ENTERING CAPSULE DATA 9 2 MEASURING THE CAPSULE S 9 3 ADMINISTERED DOSE 9 6 Administering the Dose Later 9 6 Entering Administered Dose Data 9 7 UPTAKE MEASUREMENT 9 8...

Страница 7: ...ty of a Nuclide 13 7 Activity for Generic Conversion Factor 13 7 WIPE REPORT 13 7 INTERPRETING WIPE RESULTS 13 9 LAB TESTS SETUP 14 1 INTRODUCTION 14 1 GENERAL PROCEDURE 14 1 STARTING LAB TESTS 14 2 E...

Страница 8: ...9 1 Calibration 19 2 MEASURING BACKGROUND 19 2 MEASURING A SOURCE 19 4 Activity of a Nuclide 19 8 Exiting MCA Measurement 19 8 CLEANING AND MAINTENANCE 20 1 INTRODUCTION 20 1 CLEANING INSTRUCTIONS 20...

Страница 9: ...and NaI sodium iodide Detector with Collimator which includes an Isolation Transformer attached to stand Note Two versions of detectors are available Flat Face Probe or Drilled Probe Readout Unit Pri...

Страница 10: ...Plug the unit into an outlet on a circuit different from that which the affected device is connected If this fails to correct the problem please contact Capintec s Authorized Service Center INSTALLATI...

Страница 11: ...ttention consult owner s manual for further information Fuse AC Voltage ON power OFF power 0413 CE Mark Waste in Electrical and Electronic Equipment WEEE This symbol indicates that the waste of electr...

Страница 12: ...tor support pin is not fully inserted and latched into the receptacle block of spring arm the collimator may detach from the spring arm and fall onto the patient In addition the arm can again forceful...

Страница 13: ...e owner s manual before connecting the power The second statement alerts the user to select an electrical power receptacle that is designated as HOSPITAL ONLY or HOSPITAL GRADE to insure reliable grou...

Страница 14: ...nside of the Instrument Figure 1 6 This Consult Accompanying Document symbol Figure 1 7 refers to the CHAPTER 3 GENERAL OPERATION OVERVIEW for instructions on how to use the Probe Offset Well Offset a...

Страница 15: ...minated remove liner and clean unit as stated in CHAPTER 20 CLEANING AND MAINTENANCE before operating CAUTION Care must be exercised when moving the system or when maintenance is performed The system...

Страница 16: ...length of time Do not touch the print head until it has had a chance to cool Do not use the equipment near water or spill liquids of any kind into the equipment Be sure that your power source matches...

Страница 17: ...Thyroid Uptake Stand and NaI sodium iodide Detector with Collimator which includes an isolation transformer attached to stand Note Two types of probe are available Flat Face Probe or Drilled Probe Rea...

Страница 18: ...generated by the system is directly proportional to the energy of the incident gamma or x ray detected by the system Multichannel Analyzer A multichannel analyzer MCA records the number and height of...

Страница 19: ...constant as possible The instrument should be located where the temperature is stable within a range of 50 F to 85 F 10 C to 30 C and the maximum relative humidity is 90 non condensing to warrant max...

Страница 20: ...ta 184 Turbo 80 column dot matrix printing mode Graphics and near letter quality text printing Power Requirements 115V 0 4A 50 60Hz Dimensions Height 8 1 cm 3 2 Width 36 0 cm 14 2 Depth 27 4 cm 10 8 W...

Страница 21: ...inear display automatic or manual Automatic Full Width Half Max FWHM measurement Auto ranging counts full scale Maximum recommended dead time 80 Diagnostics and Test Full system self diagnosis includi...

Страница 22: ...0 16 cm 1 16 thick to minimize back scatter Thickness 2 5 cm 1 Height 39 4 cm 4 5 Diameter 11 4 cm 4 5 Weight 31 8 kg 70 lb Regulatory Listings The CAPTUS 600 has been independently tested and is man...

Страница 23: ...including any decay correction The basic concept of the Thyroid Uptake measurement with the CAPTUS 600 remains the same for any protocol used The uptake of the thyroid gland is equal to some portion...

Страница 24: ...t is administered a capsule whose activity is known and entered into the CAPTUS 600 memory At a later time when the patient s thyroid neck counts and thigh counts are measured the uptake is calculated...

Страница 25: ...capsules are measured together Wipe Tests The Wipe Test measures radioactive contamination for nuclear medicine departments and laboratories as mandated by state and federal radiation safety requireme...

Страница 26: ...00 survival and automatically decay corrects each subsequent sample This permits the user to measure each sample as soon as it is collected For this reason all sample volumes must be the same Each sam...

Страница 27: ...any measurement functions If the device is not thoroughly warmed up measurements may not be accurate Note It is recommended that you leave the system turned ON all the time When you first turn the sys...

Страница 28: ...intouts from your CAPTUS 600 Input the password will be displayed in place of each character and press ENTER Figure 3 3 or Figure 3 4 will appear SYSTEM FUNCTIONS The functions of the CAPTUS 600 can b...

Страница 29: ...REEN The Probe Screen is shown in Figure 3 3 14 32 PROBE F1 F2 F3 F4 T U STAND BIO Figure 3 3 WELL SCREEN The Well Screen is shown is Figure 3 4 14 32 W ELL F1 F2 F3 F4 W IPE LAB Figure 3 4 November 0...

Страница 30: ...be function press HOME and then press the WELL key Note Even if you are using the Probe as a Well you still press the WELL key for measurements of wipe urine and blood samples Changing from WELL to PR...

Страница 31: ...Blood Laboratory tests When the rectangles at the bottom of the screen are blank the corresponding function key does not work for that particular screen These keys are sometimes referred to as SOFT k...

Страница 32: ...y This key located just above the ENTER key erases characters one at a time When the keyboard is not being used to enter a value the BSP key can be used to back step through the current procedure For...

Страница 33: ...ber and Letters Some entries e g RX ID Hospital Name can have both numbers and letters For these entries the F1 key is used to switch between numbers and letters When the screen is displayed F1 will b...

Страница 34: ...t a time or date Always input digits with no spaces colons or other punctuation marks The CAPTUS 600 runs on a 24 hour clock For example 9 30 a m would be input as 9 3 0 ENTER while 9 30 p m would be...

Страница 35: ...is not measured and therefore lost During this time the MCA is said to be DEAD Live Time is defined as the time during which the MCA can actually measure a pulse Real Time is defined as the actual clo...

Страница 36: ...igh voltage controls which are independently set for each detector Probe and Well These controls are used for the initial calibration and manual re calibration of the unit if Autocalibration fails Adj...

Страница 37: ...99 seconds NUMBER OF TESTS 1 4 NUMBER OF REPETITIONS 1 or 2 Thyroid Uptake Measurements DISTANCE 15 40 cm NUMBER OF CAPSULES 1 4 DOSE THYROID UPTAKE STANDARD I123 10 600 Ci 0 37 22 2 MBq I131 1 9973 C...

Страница 38: ...Volume HEMATOCRIT 01 99 PATIENT WEIGHT 01 999 kg RBC Survival Measurement 10 Measurements Per Patient 2 patients in memory Patient Demographics LAST NAME 20 Characters FIRST NAME 20 Characters ID 20...

Страница 39: ...2000 cpm WORK 60 9999 dpm 1 166 65 Bq 2000 dpm UNRESTRICTED 60 9999 dpm 1 166 65 Bq 200 dpm RECEIVING SEALED SOURCE 0 1 270 nCi 3 7 9990 Bq 5 nCi Staff Data LAST NAME 20 Characters FIRST NAME 20 Chara...

Страница 40: ......

Страница 41: ...nge of 50 F to 85 F 10 C to 30 C and the maximum relative humidity is 90 non condensing to warrant maximum reliability and accuracy The instrument should be located where the barometric pressure is wi...

Страница 42: ...rnally Use of a filtered line is recommended if excessive line noise is anticipated TURN ON PROCEDURE Once the system components are mounted securely and all cables are connected you are ready to turn...

Страница 43: ...he standard source Cesium 137 used to calibrate the CAPTUS 600 should also be entered or measured The CAPTUS 600 uses a Cs137 source to calibrate daily Data about this source should be entered into th...

Страница 44: ...ormed first Reference CHAPTER 7 THYROID UPTAKE SETUP In order to perform Wipe Tests with the CAPTUS 600 the Wipe Setup must be performed first Reference CHAPTER 12 WIPE TEST SETUP SETTING UP FOR LAB T...

Страница 45: ...eature to choose the format that you use The format choices are MONTH DAY YEAR DAY MONTH YEAR or YEAR MONTH DAY The default is MONTH DAY YEAR When the Setup Menu appears press 8 to select OTHER The Ot...

Страница 46: ...procedures can be documented It is important that Date and Time be set properly before using the CAPTUS 600 All sources are decay corrected based upon the CAPTUS 600 internal clock When the Other menu...

Страница 47: ...NTER key To change the time input the three or four digits that represent the current time and press the ENTER key Press F4 OK when both date and time are correct The new date and time will then be di...

Страница 48: ...ory CURIES BECQUEREL SETUP The CAPTUS 600 can display units of radiation measurements in Curies or Becquerels Setting the units to Curie or Becquerels in this section configures the entire CAPTUS 600...

Страница 49: ...ER key The Setup menu Figure 5 7 will appear Note Selection 0 will display RETURN TO WELL SCREEN if the Utilities menu is accessed from the Well Main Screen 1 Ci Bq 2 TEST DATA 3 THYROID UPTAKE 4 BIO...

Страница 50: ...ILL BE IN Bq Ci Bq OK Figure 5 9 When the screen displays the correct units of measure press the F4 OK key The screen returns to the Setup menu Figure 5 7 The entire CAPTUS 600 will run in the select...

Страница 51: ...ANALYZER 2 STAFF BIO ASSAY RESULTS 3 SETUP 4 DIAGNOSTICS 0 RETURN TO PROBE SCREEN 14 32 Figure 5 10 Press 3 to select SETUP The message PASSWORD will appear Type the last three digits of your CAPTUS 6...

Страница 52: ...e 5 13 Select which detector the standard is for by pressing 1 for WELL or 2 for PROBE Even if you have a single probe and use it as Probe and Well you must still enter a Cs137 Standard for both The C...

Страница 53: ...k to letter input for the Source ID and display NUM for F1 Input the calibrated activity of the Cesium 137 source Input the calibration date of the Cesium 137 standard source in the format chosen in U...

Страница 54: ...UPTAKE 4 BIO ASSAY 6 ACTIVITY CONVERSION FACTORS SETUP 5 AUTO CALIBRATION 7 WIPE AND MCA SETUP 8 OTHER 0 RETURN TO UTILITIES MENU 14 32 Figure 5 16 Press 2 to select TEST DATA The Test Data menu Figur...

Страница 55: ...ndance of the gamma energy peak s of the isotope and the Region of Interest selected for that nuclide You can store Conversion Factors for all of the radionuclides already stored in your CAPTUS 600 an...

Страница 56: ...enu is accessed from the Well Main Screen Press 3 to select SETUP The message PASSWORD will appear Type the last three digits of your CAPTUS 600 serial number and press the ENTER key The Setup menu Fi...

Страница 57: ...depending on the chosen detector Entering Nuclide Name 13 06 CF FOR WELL OK NUCLIDE NAME DONE Figure 5 22 Type the one or two letter symbol for the nuclide If this nuclide has just one letter be sure...

Страница 58: ...xists the current value will be displayed and you will be asked if you would like to change it If you respond that you would like to change it the system will proceed to Figure 5 23 otherwise you will...

Страница 59: ...MEASURE CF was selected the CF Source Calibration Data screen Figure 5 25 will appear 13 06 CF FOR W ELL OK NUCLIDE NAME TC99m CALIB ACTIVITY CALIB DATE CALIB TIME 12 00 Ci Bq Ci Figure 5 25 Input the...

Страница 60: ...o be done in the Well the calibrated source must be placed in the Well when measuring CF If you are measuring Conversion Factors for Bioassay the calibrated source must be placed at the distance from...

Страница 61: ...for a measurement of Co57 SAVE EXIT CO57 NET 4335 cpm CALIB 268 6kdpm CURRENT 5503 dpm CF 1 27 P Figure 5 28 Press F4 SAVE to save the Conversion Factor Press PRINT P to print a report with the origin...

Страница 62: ......

Страница 63: ...ed daily two things are accomplished 1 The fine gain of the multichannel analyzer is adjusted eliminating the need to adjust the High Voltage This assures the unit is calibrated 2 The Full Width Half...

Страница 64: ...late Chi Square at least 5 measurements should be made but at least 10 is recommended When the test is finished a report is printed or displayed on the screen if there is no printer The Minimum Detect...

Страница 65: ...hen Well or Probe has been selected the appropriate Test Screen will appear Figure 6 3 or Figure 6 4 If an ID for the Cs137 source has been entered in the Cs137 Standard Setup Function the ID will app...

Страница 66: ...the results automatically If the printer is off line or there is no printer connected to the CAPTUS 600 a check printer message will appear on the screen and prompt you to press any key to continue If...

Страница 67: ...urements The Chi Square value should fall between the 0 95 and 0 05 probability values in the table almost all of the time The more stringent 0 90 and 0 10 values are given for reference n of measurem...

Страница 68: ...RETURN TO WELL SCREEN if the Utilities menu is accessed from the Well Main Screen Press 3 to select SETUP The message PASSWORD will appear Type the last three digits of your CAPTUS 600 serial number a...

Страница 69: ...CALIBRATION MEASURE Cs137 START CS1 Figure 6 10 Place the Cs137 standard source in the CAPTUS 600 detector Press the F4 START key The counting display Figure 6 11 will appear As the counts increase th...

Страница 70: ...10keV ch 800 keV Figure 6 12 The screen then returns to the Setup menu Note If the printer is off line or if no printer is attached to the CAPTUS 600 a check printer message will appear on the screen...

Страница 71: ...in the calculation The minimum detectable counting rate is given by T counts p MDR where p is the precision counts is the background counts in the channels for the nuclide and T is the counting time T...

Страница 72: ...the Nuclide Entry Screen Figure 6 15 will appear 13 06 MDA TEST OK NUCLIDE NAME TC99M DONE WELL Figure 6 15 If another nuclide is desired type in the new nuclide name use the for the m in metastable n...

Страница 73: ...ll be shaded and the counting rate in that ROI will be displayed for verification If the counting rate is OK i e there were counts but no source press Y and ENTER A report with the selected nuclide de...

Страница 74: ...ics Utility by pressing 4 The Diagnostics Screen Figure 6 18 will appear 14 32 DIAGNOSTICS Figure 6 18 If the printer is off line or there is no printer connected to the CAPTUS 600 a check printer mes...

Страница 75: ...PTUS 600 if any Diagnostics test results read FAIL Diagnostics Printout On the following pages is a sample Diagnostics printout Below is a description of the sections in the Diagnostics printout Syste...

Страница 76: ...memory HV Reference Probe and Well A listing of the High Voltage Reference set during the Autocalibration Test These values will vary between 0 and 255 Fine Gain Adjustment Probe and Well A listing of...

Страница 77: ...CAPINTEC INC CAPTUS 600 Page 1 November 07 ACCEPTANCE QUALITY ASSURANCE TESTS 6 15...

Страница 78: ...CAPINTEC INC CAPTUS 600 Page 2 Page 3 6 16 ACCEPTANCE QUALITY ASSURANCE TESTS November 07...

Страница 79: ...g this time the MCA is said to be DEAD Live Time is defined as the time during which the MCA can actually accept and process a pulse Real Time is defined as the actual clock interval If LIVE time is c...

Страница 80: ...TURN TO UTILITIES MENU 14 32 Figure 7 2 Press 3 to select THYROID UPTAKE The Thyroid Uptake Setup menu Figure 7 3 will appear 1 COUNTING 2 PROTOCOLS 0 RETURN TO SETUP MENU 14 32 THYROID UPTAKE SETUP 3...

Страница 81: ...ey is pressed to select REAL time the screen changes to Figure 7 5 14 32 BASE THYROID UPTAKE SETUP OK COUNTING TIME BASE REAL Count for Specified Real Time Counting rate is calculated from measured Li...

Страница 82: ...Uptake study cannot be done without a protocol No protocols come with the CAPTUS 600 they are always entered by the user When patient data is entered a screen listing the protocols is displayed if mor...

Страница 83: ...UP 8 OTHER 0 RETURN TO UTILITIES MENU 14 32 Figure 7 8 Press 3 to select THYROID UPTAKE The Thyroid Uptake Setup menu Figure 7 9 will appear 1 COUNTING 2 PROTOCOLS 0 RETURN TO SETUP MENU 14 32 THYROID...

Страница 84: ...ll appear NO ROOM FOR MORE PROTOCOLS Press Any Key to Continue A protocol will have to be deleted to make another entry While entering data for a protocol the BSP key can be used to go back any number...

Страница 85: ...s F1 METH to change the Calculation method from ONE CAPSULE to STANDARD to TWO CAPSULES Refer to the CHAPTER 2 FUNCTIONAL TECHICAL DESCRIPTION SECTION THYROID UPTAKE PROTOCOLS for a description of the...

Страница 86: ...type of problem the best solution is to make a printout of all patient data and then change the last measurement of the protocol to obtain results of the additional measurement Press F3 REPS to select...

Страница 87: ...psules When the correct option is displayed press F4 OK The Measurement Times and Normal Value Range can now be input Figure 7 17 for each uptake 14 32 TU PROTOCOLS OK NAME PROT 1 CALCULATION ONE CAPS...

Страница 88: ...report They do not in any way define normal values in a diagnostic sense Each facility must establish these values The actual uptake results are the data to check when reading reports Press F4 OK whe...

Страница 89: ...will not allow you to delete a protocol that is assigned to an active patient You must complete the patient study and or delete the patient data before deleting a protocol The name of the protocol wi...

Страница 90: ......

Страница 91: ...id Uptake Studies Entering Patient Demographics Selecting Protocol Selecting Patient Printing TU Patient Summary Viewing Results Selecting Patient To Measure Measuring The Neck And Thigh Pre Dose Meas...

Страница 92: ...T IE N T N A M E O K L A S T F IR S T ID D O B P H Y S S E X S E X F Figure 8 4 The maximum number of Thyroid Uptake patients is 15 If 15 Thyroid Uptake patients have already been entered a message w...

Страница 93: ...igure 8 5 Use the ARROW keys to position the cursor next to the protocol to be assigned to this patient and press the ENTER key The Protocol Summary Screen Figure 8 6 will appear KETCHUM LIN PROTOCOL...

Страница 94: ...e discussed separately SELECTING PATIENT When administered data has been entered for a patient the measurement hours day and time for the first 2 uptakes only 1 if the protocol only called for 1 uptak...

Страница 95: ...YROID UPTAKE PATIENT SUMMARY To obtain a summary of the results for all the Thyroid Uptake patients press PRINT P on the Patient Selection Screen Figure 8 2 VIEWING PATIENT INFORMATION To view or prin...

Страница 96: ...ompt appears at the measurement to be performed Press PRINT P to print the complete Thyroid Uptake report SELECTING PATIENT TO MEASURE When it is time to perform an uptake the patient and measurement...

Страница 97: ...r 14 32 THYROID UPTAKE DASILVA AND PROTOCOL 1 CAPSULE CAPSULE TU 11 09 250 0 UPTAKE 1 24 UPTAKE 2 30 REVIEW RESULTS MEASUREMENT FINISHED Ci Figure 8 12 Pressing ENTER with the prompt at REVIEW RESULTS...

Страница 98: ...ure 8 14 The energy scale is marked on the horizontal axis and depends on the nuclide The counting period set up in the protocol appears to the right of the graph in this example 60 seconds The counts...

Страница 99: ...each repetition of the Neck measurement If the second repetition is not desired press F2 ABORT during the count and the measurement will not be used Position the probe at the patient s thigh and pres...

Страница 100: ...n the Measure Neck Screen Figure 8 19 will appear 14 32 THYROID UPTAKE DASILVA AND START EXIT PROTOCOL 1 CAPSULE MEASURE NECK AT 25 CM COUNTING REPETITION 1 2 Figure 8 19 If the Thyroid Uptake method...

Страница 101: ...al values entered in the protocol unless 0 and 99 were chosen which indicates no minimum and maximum Note There is a 1 hour time window before and after the chosen uptake time where the minimum and ma...

Страница 102: ......

Страница 103: ...asure neck and thigh according to the directions in CHAPTER 8 THYROID UPTAKE GENERAL INSTRUCTIONS The instructions below begin after the protocol is chosen PRE DOSE MEASUREMENT If the protocol indicat...

Страница 104: ...h to numeric input and display LET for F1 Press F1 LET to switch back to letter input and display NUM for F1 The default of 1 capsule to be measured is displayed The number of capsules to measure depe...

Страница 105: ...Capsule Data Entry Screen EACH Measure the 1 capsule then the 2 capsule until the number of capsules that was entered in the One Capsule Data Entry Screen has been measured Each capsule is measured fo...

Страница 106: ...ent again When the counting period is over the area below the curve is shaded and the screen displays total counts as shown in Figure 9 5 100 5683 cpm CAPSULE 400 keV OK Y OR N Figure 9 5 If the measu...

Страница 107: ...T Figure 9 6 Remove the capsules from the Probe and press the F4 START key Note The capsule s should be located far away from the Probe so that they will not contribute to the background activity meas...

Страница 108: ...press ENTER If the protocol calls for Pre Dose Measurement and it has been skipped you will have another chance now to do the Pre Dose Measurement If SKIP is chosen now Pre Dose cannot be measured for...

Страница 109: ...already measured the capsule s it will decay correct the capsule counts from the measurement time to the time of administration and use that value as the initial counts Entering Administered Dose Data...

Страница 110: ...as the number that was measured and cannot be changed Press the F4 OK key when all the data is correct Figure 9 12 will appear KETCHUM LIN PROTOCOL PROT 1 DONE P Figure 9 12 Press PRINT P to print a...

Страница 111: ...Figure 9 14 will appear AGAIN DONE P 2 24 hours 50 40 30 20 10 U P T A K E DASILVA AND Figure 9 14 Press PRINT P to print a report of this Thyroid Uptake study Refer to Figure 9 15 for an example of t...

Страница 112: ...CAPINTEC INC CAPTUS 600 Figure 9 15 9 10 THYROID UPTAKE ONE CAPSULE METHOD November 07...

Страница 113: ...s chosen PRE DOSE MEASUREMENT If the protocol indicates that a Pre Dose Measurement is to be performed the measurements must be made after the protocol is chosen and before the administered data is en...

Страница 114: ...of capsules administered The dose is entered for reference only Input the time and date of administration if it is different from the default of now The number of capsules depends upon the Multi Caps...

Страница 115: ...apsule then the 2 capsule until the number of capsules that was entered in the Administered Dose Screen has been measured Each capsule is measured for the number of repetitions in the protocol If Pre...

Страница 116: ...t again When the counting period is over the area below the curve is shaded and the screen displays total counts as shown in Figure 10 5 100 5683 cpm REFERENCE 400 keV OK Y OR N Figure 10 5 If this me...

Страница 117: ...Figure 10 6 Remove the capsules from the Probe and press the F4 START key Note The capsule s should be located far away from the Probe so that they will not contribute to the background activity measu...

Страница 118: ...reen Figure 10 6 will re appear allowing the background measurement to be repeated If the total count is OK press the Y key to answer YES and press ENTER UPTAKE MEASUREMENT When it is time to perform...

Страница 119: ...10 10 will appear AGAIN DONE P 2 24 hours 50 40 30 20 10 U P T A K E DASILVA AND Figure 10 10 Press PRINT P to print a report of this Thyroid Uptake study Refer to Figure 10 11 for an example of the...

Страница 120: ...CAPINTEC INC CAPTUS 600 Figure 10 11 10 8 THYROID UPTAKE TWO CAPSULES METHOD November 07...

Страница 121: ...andard Capsule Protocol Choose Standard Perform Pre Dose Measurement if it is in protocol Enter Capsule Administration Data Perform the uptakes at the indicated times ACCESSING TU STANDARD To access T...

Страница 122: ...will be blank ADDING A TU STANDARD Press F1 ADD Figure 11 4 will appear 14 32 TU STANDARD NUCLD REPS OK NUCLIDE I 131 COUNTING REPETITIONS 2 Figure 11 4 Press the F1 NUCLD key to select the correct n...

Страница 123: ...tter input and display NUM for F1 Input the calibration activity Input the calibration date according to the chosen Date Entry Format Input the calibration time in 24 hour format Press F4 OK when all...

Страница 124: ...e patients deleted PRINTING TU STANDARD DATA Press PRINT P on the Standard List Screen to obtain a printout of the TU Standard data that has been entered MEASURING TU STANDARD The TU Standard must be...

Страница 125: ...and ENTER Otherwise press N and ENTER and the unit will count again The unit will then prompt you to measure room background Remove all sources and press the F4 START key Accept or reject the room bac...

Страница 126: ...creen SELECTING STANDARD FOR TU STUDY After a Standard Capsule protocol has been chosen the Standard must be chosen and or verified If no Standard data has been entered an error message will appear If...

Страница 127: ...ENT If the protocol indicates that a Pre Dose Measurement is to be performed the measurements must be made after the protocol and Standard are chosen and before the administered data is entered There...

Страница 128: ...ay NUM for F1 Enter the total dose in Ci and the number of capsules administered The dose is used in the calculation but the number of capsules is entered for reference only Input the time and date of...

Страница 129: ...r the current calendar day or if the distance has been changed the TU Standard measurement procedure will be performed When the Standard has been measured with the same distance measure the neck and t...

Страница 130: ...6 for an example of the printout Press F1 AGAIN if an error was made in the measurement and the measurement needs to be repeated Press F4 DONE to exit the screen and return to the Patient Selection Sc...

Страница 131: ...CAPINTEC INC CAPTUS 600 Figure 11 16 November 07 THYROID UPTAKE STANDARD CAPSULE METHOD 11 11...

Страница 132: ......

Страница 133: ...OBE SCREEN 14 32 Figure 12 1 Note Selection 0 will display RETURN TO WELL SCREEN if the Utilities menu is accessed from the Well main screen Press 3 to select SETUP The message PASSWORD will appear Ty...

Страница 134: ...ntouts of Wipe Test measurements you must tell the CAPTUS 600 where the wipes were taken Wipes can be from one of 4 different areas These are Work areas Unrestricted areas Receiving Sealed Sources Ent...

Страница 135: ...e Depending upon which area has been selected a screen similar to Figure 12 5 will appear 13 06 W ORK AREAS P DONE DEL ADD W 01 HOT LAB SINK W 02 HOT LAB KNOB EDIT Figure 12 5 If no locations have bee...

Страница 136: ...ter adding all wipe locations and after having returned to Figure 12 5 press the F4 DONE key and the Wipe Descriptions Screen Figure 12 4 will re appear Pressing 0 will return the system to the Wipe a...

Страница 137: ...IVING or SEALED SOURCES is selected the trigger level is in nCi Bq if in Becquerel mode The GENERAL category is for wipes in an area with no description Only counting time is entered there is no trigg...

Страница 138: ...be used as a check and not as a measure of activity of any particular isotope The Generic CF is multiplied by the cpm measured for a Region of Interest consisting of all 256 channels of the CAPTUS 600...

Страница 139: ...ay be added To set up additional nuclides from the Wipe and MCA Setup menu press 3 to select ADDITIONAL NUCLIDES Figure 12 10 will appear 13 06 ADDITIONAL NUCLIDES NUCLIDE NAME DONE OK Figure 12 10 Ty...

Страница 140: ...ss the F4 OK key The data will be stored in memory and Figure 12 10 will re appear If all additional nuclides have been entered press F1 DONE Up to ten additional nuclides may be stored in the CAPTUS...

Страница 141: ...KEY DONE OK Figure 12 12 Press the F1 UKEY key to toggle between the various USER keys When the proper USER key is shown press the F4 OK key Figure 12 13 will appear showing the current assignment of...

Страница 142: ...CAPTUS 600 13 06 ASSIGN NUCLIDE TO USER KEY 1 NUCLIDE NAME DONE OK Figure 12 14 Input the nuclide name Press F4 OK to accept the name Press F1 DONE to keep the previous assignment 12 10 WIPE TEST SETU...

Страница 143: ...roid Uptake press HOME and then press WELL Figure 13 1 will appear 13 06 W ELL W IPE F1 F2 F3 F4 LAB Figure 13 1 If your system is configured for just one detector and you press the WELL key the syste...

Страница 144: ...When the background measurement is complete Figure 13 3 will appear as long as the counting rate has not exceeded the limits set in Background Trigger Level setup If the counting rate limits have been...

Страница 145: ...ions of these keys MEASURING A WIPE If the background is saved the Wipe Test Area Select Screen Figure 13 5 will appear 1 BACKGROUND 2 W ORK AREAS 3 UNRESTRICTED AREAS 4 RECEIVING W IPE TEST 5 SEALED...

Страница 146: ...free up memory Move the prompt in Figure 13 6 to the line showing the proper location and press the F1 SELCT key A screen similar to Figure 13 8 will appear 13 06 START INSERT W IPE W 01 HOT LAB SINK...

Страница 147: ...s stored in memory C Indicates that results for the Generic CF is for 1600 keV scale If only the 400 keV scale was measured 400 would be displayed and the CF for the 400 keV scale would be used D Wipe...

Страница 148: ...will print as well WIPE GRAPHICS SCREEN COUNT ACT NEXT 500 Cts FS 1024 keV P RANGE 1600 keV A B C Figure 13 10 A Cursor Position B Cursor C Indicates Range The function keys of the Graph Screen Figur...

Страница 149: ...essing one of the Pre Set Nuclide keys Cr51 Co57 Ga67 Tc99m In111 I131 I123 I125 Tl201 a USER key which has had a nuclide assigned to it or the NUCL key After the NUCL key is pressed input the name of...

Страница 150: ...CAPINTEC INC CAPTUS 600 Figure 13 11 13 8 WIPE TEST November 07...

Страница 151: ...S 600 has identified the presence of the nuclide on the wipe it has only identified a peak at a particular energy The user must decide if the data is consistent with nuclides used in the department Li...

Страница 152: ......

Страница 153: ...the procedures have been designed around the instructions outlined in the Mallinckrodt package insert for the selected tests The CAPTUS 600 expects that the samples for the Lab Tests will be counted...

Страница 154: ...phic data is included in the total of 50 The RBC Survival tests store the results during the period of the tests up to 60 days This is the only test that stores the results STARTING LAB TESTS Accessin...

Страница 155: ...n the next two chapters ENTERING PATIENT DEMOGRAPHICS Patient demographics are entered in the same manner for each Lab Test The Schilling Test screens are used in the examples The only difference for...

Страница 156: ...ATIENT LAST FIRST ID DOB PHYS SEX Figure 14 5 Enter data in all the fields The Date of Birth DOB field is optional The SEX field is toggled between M and F by pressing the F1 SEX key When the data is...

Страница 157: ...test or patient chosen press the F1 EXIT key to return to Figure 14 4 After pressing the F4 START key the system will begin counting and a live spectrum will be displayed as is shown in Figure 14 7 2...

Страница 158: ...o look for the expected peak If it cannot detect a peak or detects a peak that clearly isn t from the expected nuclide the Measurement Error Screen Figure 14 9 will appear to alert the user to a measu...

Страница 159: ...nstructions in CHAPTER 14 LAB TESTS SETUP PERFORMING SCHILLING TEST MEASUREMENTS To perform the actual measurements with this protocol the system assumes the following samples have been prepared for c...

Страница 160: ...or The ratio of the activity of the Co57 capsule to the activity of the Co57 Standard When using a 1 standard the Dilution Factor equals 100 Aliquot Volume Volume of urine taken from the full urine vo...

Страница 161: ...is calculated as D B S A V B U 100 excretion where U Urine count rate B Room Background V Urine Volume S Standard count rate D Dilution factor A Aliquot Volume To print the results press the PRINT P...

Страница 162: ...CAPINTEC INC CAPTUS 600 Figure 15 5 15 4 LAB TESTS URINE TEST November 07...

Страница 163: ...S 1 BLOOD VOLUME Cr51 2 BLOOD VOLUME I 125 3 RBC SURVIVAL Cr51 Figure 16 1 BLOOD VOLUME Cr51 This protocol may used in the determination of Red Blood Cell Volume From the Main Blood Tests Screen Figur...

Страница 164: ...e patient ten to twenty minutes post injection Weight Weight of the patient in kilograms When the data in Figure 16 2 are correct press the F4 OK key Figure 16 3 will appear 14 32 RBC VOLUME OK PATIEN...

Страница 165: ...ions in CHAPTER 14 LAB TESTS SETUP After the plasma sample counts have been accepted the RBC Volume Cr51 Results Screen Figure 16 4 will appear 14 32 RBC VOLUME DONE PATIENT RBC 1290 ml 18 ml kg BLOOD...

Страница 166: ...s the F4 DONE key before printing you will be reminded that the data will be deleted The message Data will be deleted OK Y or N will appear on the display At this point you may answer NO and go back a...

Страница 167: ...CAPINTEC INC CAPTUS 600 Figure 16 5 November 07 LAB TESTS BLOOD TESTS 16 5...

Страница 168: ...aphics are entered The first Plasma Volume Data Screen Figure 16 6 will appear 14 32 PLASMA VOLUME OK PATIENT ONE HEMATOCRIT W EIGHT kg Figure 16 6 Input the hematocrit determined from a whole blood s...

Страница 169: ...rom the whole blood withdrawn from the patient five to ten minutes post injection Perform each measurement according to the instructions in CHAPTER 14 LAB TESTS SETUP After the plasma sample counts ha...

Страница 170: ...back and print the results before deleting the data The results of the test are not saved Patient demographics are saved Note A comparison of the radioactive hematocrit with the microhematocrit will g...

Страница 171: ...CAPINTEC INC CAPTUS 600 Figure 16 9 November 07 LAB TESTS BLOOD TESTS 16 9...

Страница 172: ...minimum of 30 days or until the 50 remaining level is reached 4 Print results From the Main Blood Tests Screen Figure 16 1 press 3 to select RBC SURVIVAL Cr51 Note There is a limit of two patients in...

Страница 173: ...Perform the measurements according to the directions in CHAPTER 14 LAB TESTS SETUP After the room background measurement is accepted Figure 16 12 will appear if this is the first measurement 14 32 EXI...

Страница 174: ...e the range of the graph will not be plotted but will appear on the print out When 4 or more measurements have been made the best fit straight line through the data points will be calculated and displ...

Страница 175: ...CAPINTEC INC CAPTUS 600 Figure 16 14 November 07 LAB TESTS BLOOD TESTS 16 13...

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Страница 177: ...y measurements on the staff the staff member names ID numbers and initials should be stored in the CAPTUS 600 memory if not the results can t be saved as well as the parameters for the Bioassay protoc...

Страница 178: ...ure 17 3 will appear 1 STAFF DATA 2 BIO ASSAY PROTOCOL 0 RETURN TO SETUP MENU 14 32 BIO ASSAY SETUP Figure 17 3 Adding Staff Member From the Bioassay Setup menu Figure 17 3 press 1 to select STAFF DAT...

Страница 179: ...ters MID is the middle initial and is only 1 letter ID can include up to 20 numbers When all information has been entered press the F4 OK key The screen returns to the Staff Name List Screen Figure 17...

Страница 180: ...t three letters of the first name in the second line will appear on the screen DO YOU WANT TO DELETE Y OR N To answer YES press the Y key then press the ENTER key The screen returns to the Staff Name...

Страница 181: ...from the I125 X Ray region of interest The default values are 8 5 for I131 and 92 for I123 and have been derived from actual test data The last field is the DISTANCE in centimeters between the Probe a...

Страница 182: ...und press the F4 MEAS key Room background must be measured in the Probe on the 400 keV scale at least once on the current day before a Bioassay can be performed If room background has not yet been mea...

Страница 183: ...BIO ASSAY I 131 51 29 69 cpm I 123 22 41 60 88 cpm Press any key to 023 003 Ci I 125 10 41 50 75 cpm Figure 17 10 If a Conversion Factor has been measured for I131 I125 or I123 the results will be dis...

Страница 184: ...MEMBER OK ALL Figure 17 12 To return to the option of printing a report for all staff members press F1 ALL When the desired option is displayed press F4 OK If the option of All Staff Members has been...

Страница 185: ...the chosen Staff Member will be printed If data has been entered for only one Staff Member the report will be printed as soon as Staff Bioassay Results is chosen After the report is printed the follow...

Страница 186: ......

Страница 187: ...es Selectable Low Level Cutoff Channel Selectable Count Times Storage of Frequently Used Setups for MCA Measurements MCA SETUPS Four MCA Setups can be stored in the CAPTUS 600 To add edit or delete a...

Страница 188: ...RSION FACTORS SETUP 5 AUTO CALIBRATION 7 WIPE AND MCA SETUP 8 OTHER 0 RETURN TO UTILITIES MENU 14 32 Figure 18 2 Press 7 to select WIPE AND MCA SETUP The Wipe and MCA Setup menu Figure 18 3 will appea...

Страница 189: ...to add a setup Figure 18 5 will appear 14 32 MULTICHANNEL ANALYZER NUM OK NAME SETUP Figure 18 5 Input the name of the setup up to 20 characters Press F1 NUM to switch to numeric input and display LET...

Страница 190: ...eV by the gain of the energy range selected The gains for the energy ranges are as follows 200 keV scale 1 keV Channel 400 keV scale 2 keV Channel 800 keV scale 4 keV Channel 1600 keV scale 8 keV Chan...

Страница 191: ...The Region of Interest number will be displayed as shown in Figure 18 8 13 06 DEL MULTICHANNEL ANALYZER SETUP FROM CHANNEL ROI NUMBER 1 OK TO CHANNEL Figure 18 8 Entering Regions of Interest is optio...

Страница 192: ...rsor to the desired setup and press F2 EDIT The screens are the same as in adding a setup except that the current values are displayed Deleting a Setup To delete an existing setup move the cursor to t...

Страница 193: ...tilities menu Figure 19 1 will appear UTILITIES 1 MULTICHANNEL ANALYZER 2 STAFF BIO ASSAY RESULTS 3 SETUP 4 DIAGNOSTICS 0 RETURN TO PROBE SCREEN 14 32 Figure 19 1 Press 1 to select MULTICHANNEL ANALYZ...

Страница 194: ...orm the Calibration Test every day in order to use the MCA If calibration has not been performed Gain will be displayed instead of keV for the spectra The relationship between Gain and keV scales is 2...

Страница 195: ...ected range F1 will change to DESEL and pressing it will de select the range When all desired energy ranges have been selected press F4 OK Figure 19 5 will appear 13 06 OK MULTICHANNEL ANALYZER BACKGR...

Страница 196: ...for each press of an ARROW key Reference the F4 SC CR section on page 19 7 for usage instructions PRINT P Prints the Background Measurement To exit Background and measure Sources press the BSP key Th...

Страница 197: ...S ENERGY SCALE MEASURE BACKGROUND NOW If you answer YES the Background Range Selection Screen will appear with the chosen range highlighted Proceed as if Background had been selected During the measur...

Страница 198: ...the indicated value by 10 All pre set ROIs will be filled in The cursor may be moved right or left by using the ARROW keys When the cursor enters a ROI the cc cursor count will be replaced by R and t...

Страница 199: ...when viewing the MCA screen the MCA is either in Scale Mode or Cursor Mode the F4 SC CR key toggles between these two modes The MCA defaults to Cursor Mode This means the number to the right of the SC...

Страница 200: ...f the Pre Set Nuclide keys Cr51 Co57 Ga67 Tc99m In111 I131 I123 I125 Tl201 a USER key which has had a nuclide assigned to it or the NUCL key After the NUCL key is pressed enter the name of the nuclide...

Страница 201: ...tec s Authorized Service Center in Pittsburgh for servicing or re calibration at 1 800 227 6832 CLEANING INSTRUCTIONS CAUTION DISCONNECT THE POWER BEFORE CLEANING TO AVOID ELECTRICAL SHOCK OR DAMAGING...

Страница 202: ...ent where the temperature is stable within a range of 50 F to 85 F 10 C to 30 C and the maximum relative humidity is 90 non condensing The unit should be powered up for at least one half hour prior to...

Страница 203: ...tions or on site service Figure 20 1 WARNING FAILURE TO FOLLOW THESE INSTRUCTIONS COULD RESULT IN SERIOUS INJURY OR PRODUCT MALFUNCTION SERVICING The system is covered by a one year limited warranty u...

Страница 204: ...1 5 5 1 4 Figure 20 2 No Recycling Material Code Important Information 1 External Electrical Cables 2 Lithium Battery Contained on the HPC CPU printed circuit board inside of the readout unit 3 LCD D...

Страница 205: ...power cord that is connected to the front of the Isolation Transformer Unit 3 Use a small screwdriver to pry open the tab of the fuse drawer that is located directly below the power cord connector Th...

Страница 206: ...to Figure 20 4 3 To remove the first of the two fuse carriers insert the tip of the screwdriver behind the arrow and pull it out Repeat this process for the second fuse 4 Remove the blown fuse s from...

Страница 207: ...0029 Detector Base Assembly PM 600 2000 5420 2126 Well Detector 1 Shielding 5420 2033 Well Detector 2 Shielding 5430 0069 Rod Source Cs137 0 5 Ci 0975 137R Power cable hospital grade 15 feet long 8125...

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Страница 209: ...1 16 1 Blood Volume I125 16 6 BSP Key 3 6 C Calibration Source 5 7 data 2 5 Calibration Test 6 2 frequency 6 1 cc 19 6 Cesium 137 standard 5 7 input limits 3 11 CF input 5 14 measure 5 14 5 15 Chi Squ...

Страница 210: ...e Protocols 3 11 Wipe 3 12 Input Out of Range 3 8 invalid values 3 8 Isolation Transformer 2 4 K Keyboard 3 6 L Lab Tests Blood Tests 2 10 introduction 16 1 Blood Volume Cr51 calculation 16 3 Dose Hem...

Страница 211: ...16 Measurement Errors 3 10 Minimum Detectable Activity 6 9 mode cursor 13 7 scale 13 7 Monthly Tests 6 1 Multi Capsules 2 9 Multichannel Analyzer 2 2 see MCA Multichannel Pulse Height Analyzer 2 5 N...

Страница 212: ...7 1 General Instructions 8 1 Measurements input limits 3 11 Measuring Neck and Thigh 8 7 Nuclides 2 7 One Capsule Method 2 8 Administered Dose 9 6 Entering Capsule Data 9 2 General Procedure 9 1 Meas...

Страница 213: ...etector 2 6 Screen 3 3 WELL Key 3 2 14 2 Wipe Test 2 9 13 1 Activity for Generic Conversion Factor 13 7 Activity of a Nuclide 13 7 areas 12 3 Background 12 5 13 1 too high 13 2 Count Times 12 4 Descri...

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Страница 215: ...mplied warranties and we make no warranty that the products sold herein are merchantable or are suitable for any particular purpose The benefits of this warranty shall extend only to the buyer and to...

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