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Revision D

170 Series Monitor

6-5

2003023-001

Uterine Activity Monitoring:

Intrauterine Pressure Monitoring (Internal Method)

Intrauterine Pressure Monitoring (Internal Method)

Methodology

A catheter inserted transcervically into the uterine cavity measures intrauterine
pressure. You can monitor using either a fluid-filled catheter or a transducer-tipped
catheter. The uterine activity value is displayed in mmHg from 0–100 and the trend
is continuously plotted on the bottom (or right) grid of the strip chart paper as a plain
black line.

Pressure exceeding 100 mmHg is printed as a straight line at

100 mmHg.

Why Zeroing is Important

When you zero the system, you are referencing the pressure to

0 mmHg while the system is open to air to ensure an absolute pressure measurement.

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Summary of Contents for Corometrics 170 Series

Page 1: ...Corometrics 170 Series OPERATOR S MANUAL MANUAL P N 2003023 001 REV D ...

Page 2: ......

Page 3: ...Corometrics 170 Series OPERATOR S MANUAL MANUAL P N 2003023 001 REV D ...

Page 4: ...n under this guarantee is limited to repairing or at our option replacing any defective parts of our equipment except fuses or batteries without charge if such defects occur in normal service Claims for damage in shipment should be filed promptly with the transportation company All correspondence covering the instrument should specify the model and serial numbers GE Medical Systems Information Tec...

Page 5: ...quipment and standard EN 60601 1 General Requirements for Safety Components of the Certified Systems The IEC electromagnetic compatibility EN standards require individual equipment components and accessories to be configured as a system for evaluation For systems that include a number of different equipments that perform a number of functions one of each type of equipment shall be included in the ...

Page 6: ... 2003023 001 CE Marking Information Be aware that adding accessories or components or modifying the medical device or system may degrade the EMI performance Consult with qualified personnel regarding changes to the system configuration ...

Page 7: ...cations of Potential Fetal Compromise 2 3 Monitoring Methods 2 4 Fetal Heart Rate 2 4 Internal Method Pulsed Doppler Ultrasound 2 4 Internal Method Direct Fetal Electrocardiogram FECG 2 4 Maternal Uterine Activity 2 4 External Method Tocotransducer TOCO 2 4 Internal Method Intrauterine Pressure Catheter and Strain Gauge IUP 2 4 3 Controls Indicators and Connectors 3 1 Front Panel Controls 3 2 Powe...

Page 8: ...nt Alarms 3 7 Signal Quality Alarms 3 7 Front Panel Connectors 3 8 Model 171 Connectors 3 8 Ultrasound Connector 3 8 Uterine Activity Connector 3 8 Model 172 Connectors 3 9 Primary Ultrasound Connector 3 9 Secondary Ultrasound Connector 3 9 Uterine Activity Connector 3 9 Model 173 Connectors 3 10 Ultrasound Connector 3 10 FECG Connector 3 10 Uterine Activity Connector 3 10 Model 174 Connectors 3 1...

Page 9: ...G Internal Method 5 4 Methodology 5 4 Artifact Elimination 5 4 Enabling Disabling Artifact Elimination 5 4 Theory and Methodology 5 4 Fetal Heart Rate Offset 5 5 Enabling Disabling the Fetal Heart Rate Offset Mode 5 5 Activating the Fetal Heart Rate Offset Mode 5 6 De Activating the Fetal Heart Rate Offset Mode 5 6 Heartbeat Coincidence 5 7 Enabling Disabling Heartbeat Coincidence Detection 5 7 Di...

Page 10: ...ure Monitoring Internal Method 6 5 Methodology 6 5 Why Zeroing is Important 6 5 7 Strip Chart Recorder 7 1 Strip Chart Paper 7 2 Trends 7 5 Annotations 7 6 Standard Annotations 7 6 Peripheral Equipment Data 7 6 Data from a Maternal Non Invasive Blood Pressure Monitor 7 6 Data from a Fetal Oxygen Saturation Monitor 7 7 Annotations from a Central Information System 7 8 Multiple Annotations 7 8 Paper...

Page 11: ...ltrasound Troubleshooting 9 3 FECG Troubleshooting 9 4 External UA Troubleshooting 9 5 Internal UA Troubleshooting 9 6 10 Supplies and Accessories 10 1 11 Technical Specifications 11 1 General Monitor 11 2 Operating Modes 11 3 Strip Chart Recorder 11 4 ...

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Page 13: ...equipment reliability This chapter describes how the terms Danger Warning Caution Important and Note are used throughout the manual In addition GE Medical Systems Information Technologies standard equipment symbols are defined This section includes the following important information General Information 1 2 Definitions of Terminology 1 3 Monitor Safety Information 1 4 Definitions of Symbols 1 8 ...

Page 14: ... carried out by persons authorized by GE Medical Systems Information Technologies the electrical installation of the relevant room complies with the requirements of appropriate regulations and the monitor is used in accordance with the instructions for use Responsibility of the User This device is intended for use by clinical professionals who are expected to know the medical procedures practices ...

Page 15: ...rtance Table 1 1 Definitions of Terminology Danger A DANGER notice indicates an imminently hazardous situation which if not avoided will result in death or serious injury Warning A WARNING indicates a potentially hazardous situation which if not avoided could result in death or serious injury Caution A CAUTION indicates a potentially hazardous situation which if not avoided may result in minor or ...

Page 16: ... of electrical shock do not remove the monitor cover Refer servicing to qualified personnel ELECTROMAGNETIC INTERFERENCE Be aware that strong electromagnetic fields may interfere with monitor operation Interference prevents the clear reception of signal by the monitor If the hospital is close to a strong transmitter such as TV AM or FM radio police or fire stations a HAM radio operator an airport ...

Page 17: ...cal engineering personnel before using with patients Serious injury or death could result if the leakage current exceeds applicable standards The use of accessory equipment not complying with the equivalent safety requirements of this equipment may lead to a reduced level of safety of the resulting system Consideration relating to choice shall include use of the accessory in the patient vicinity a...

Page 18: ...gies Service Representative DAILY TESTING It is essential that the monitor and accessories be inspected every day It is recommended practice to ensure the monitor passes its self test routine initiated each time the monitor is turned on Refer to Monitor Self Test Routines on page 4 8 ENVIRONMENT The performance of the monitor has not been tested in certain areas such as x ray and imaging suites Th...

Page 19: ...ty or strength of a source may result in disruption of performance of this device This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with these instructions may cause harmful interference with other devices in the vicinity Disruption or interference may be evidenced by erratic readings cessation of operation or incorrect functioning If ...

Page 20: ... 2 Equipment Symbols ATTENTION Consult accompanying documents TYPE B EQUIPMENT Type B equipment is suitable for intentional external and internal application to the patient excluding direct cardiac application TYPE BF EQUIPMENT Type BF equipment is suitable for intentional external and internal application to the patient excluding direct cardiac application Type BF equipment has an F type applied ...

Page 21: ...Revision D 170 Series Monitor 1 9 2003023 001 Safety Definitions of Symbols For your notes ...

Page 22: ...1 10 170 Series Monitor Revision D 2003023 001 Safety Definitions of Symbols ...

Page 23: ...sts the indications for use for monitors in the 170 Series as well as provides an explanation of the different patient monitoring modalities This section summarizes the clinical applications of monitors in the 170 Series Indications for Use 2 2 Risk Conditions 2 3 Monitoring Methods 2 4 ...

Page 24: ...72 Fetal Monitors are indicated for use in antepartum testing of fetal well being particularly in the high risk pregnancy and for routine non invasive monitoring throughout labor and delivery Models 173 and 174 Models 173 and 174 Fetal Monitors can be used for routine non invasive and invasive monitoring throughout labor and delivery ...

Page 25: ...ical Bulletin Number 188 Antepartum Fetal Surveillance January 1994 Postdate pregnancy 42 weeks or more Previous unexplained fetal demise Isoimmunization moderate to severe Hyperthyroidism Diabetes mellitus insulin treated Hypertensive disorders Cyanotic heart disease Chronic renal disease Systemic lupus erythematosus Hemoglobinopathies hemoglobin SS hemoglobin SC presence of both hemoglobin S and...

Page 26: ...m FECG FECG is available on Models 173 and 174 only The Model 173 provides a dedicated FECG connector The Model 174 provides a combi connector which can be used for either FECG or US FECG signals are obtained via a spiral electrode attached to the fetal presenting part FHR is computed on a beat to beat basis using the R to R time interval of the QRS complexes The instantaneous FHR pattern is print...

Page 27: ...tors 3 This section describes all possible controls indicators and connectors in the 170 Series This section contains the following information Front Panel Controls 3 2 Front Panel Displays and Indicators 3 6 Front Panel Connectors 3 8 Strip Chart Recorder 3 12 Rear Panel Connectors 3 14 ...

Page 28: ... Controls Indicators and Connectors Front Panel Controls Front Panel Controls Figure 3 1 Front Panel Controls Model 172 shown Table 3 1 Front Panel Controls Symbol Name Power Record Paper Advance Mark Offset Setup Volume UA Reference Alarm Silence ...

Page 29: ...Paper Advance Button Pressing the Paper Advance button causes the recorder to advance chart paper at a rate of 40 cm min for as long as the button is pressed If the recorder is on twenty seconds after the button is released the recorder prints the time date active trends legends and chart speed Mark Offset Button The Mark Offset button is a multifunction button Mark Briefly pressing the button pri...

Page 30: ...e audio signals emitted by the speaker The volume buttons are also used during setup Model 171 This monitor has two volume buttons used to control the ultrasound audio Models 172 173 and 174 These monitors have four volume buttons The left pair controls the audio signals for the mode shown in the primary FHR display likewise the right pair of buttons controls the audio for the mode shown in the se...

Page 31: ...released While the button is held down the strip chart tracing remains unchanged Once the button is released the recorder trace takes on this new value This value is stored as the new baseline for the currently measured uterine activity signal Setting a Baseline for Internal Monitoring IUPC NOTE IUPC monitoring is only available on Models 173 and 174 Pressing the UA Reference button sets the press...

Page 32: ...mary of display positions relative to connectors Uterine Activity Display This green three digit display indicates the uterine activity values Tocotransducer If uterine activity is measured using a tocotransducer the uterine activity value displays in relative units A plus sign flashes when the uterine activity value exceeds the strip chart range of 100 relative units IUP Models 173 and 174 Only I...

Page 33: ...g alarms Audio Alarm Indicator Active Patient Alarms For active patient alarms this yellow indicator flashes it continues to flash even if the alarm is silenced Resolved Patient Alarms For resolved patient alarms the indicator continues to flash until you silence the alarm This ensures that the alarm is acknowledged by a clinician Signal Quality Alarms For signal quality alarms the indicator flash...

Page 34: ...ransducer shows in the fetal heart rate display Uterine Activity Connector The uterine activity connector is a white round receptacle mechanically keyed to accept a Corometrics tocotransducer The uterine activity value obtained from this transducer shows in the uterine activity display If the Model 171 is interfaced to a central information system CIS be aware that the CIS may be designed to alarm...

Page 35: ...ceptacle identical to the primary ultrasound connector described above The fetal heart rate derived from this connector displays in the secondary fetal heart rate display Uterine Activity Connector The uterine activity connector is a white round receptacle mechanically keyed to accept a Corometrics tocotransducer The uterine activity value obtained from this transducer shows in the uterine activit...

Page 36: ...l heart rate derived from the spiral electrode displays in the secondary fetal heart rate display Uterine Activity Connector The uterine activity connector is a white round receptacle mechanically keyed to accept a Corometrics tocotransducer a Corometrics strain gauge transducer plug or any intrauterine pressure catheter with compatible cable plug The uterine activity value obtained from this tran...

Page 37: ...option of monitoring twins using dual US or FECG US Secondary Ultrasound Connector The secondary ultrasound connector is a blue round receptacle mechanically keyed to accept only a Corometrics ultrasound transducer plug The fetal heart rate derived from this connector shows in the secondary fetal heart rate display Uterine Activity Connector The uterine activity connector is a white round receptac...

Page 38: ...loading strip chart paper into the recorder Heart Rate Grid One or two fetal heart rate trends print in the top or left grid of the strip chart paper depending on your model monitor and the active modalities If only one fetal heart rate is being monitored the FHR trend is printed in black If twins are being monitored the primary trend is printed in plain black while the secondary trend is bolded R...

Page 39: ...k on the bottom or right grid of the strip chart paper Read Chapter 6 Uterine Activity Monitoring and Chapter 7 Strip Chart Recorder for more information about uterine activity trends and annotations Annotation Area An annotation area is provided between the fetal heart rate and uterine activity grids Refer to Chapter 7 Strip Chart Recorder for detailed information ...

Page 40: ...n optional Corometrics Model 146 Fetal Acoustic Stimulator FAST The annotation prints on the strip chart each time the Model 146 is used Remote Mark Connector This connector is provided for attaching an optional Corometrics Remote Event Marker This accessory annotates the strip chart recorder paper with a marker which can be configured as one of the following This annotation is commonly used to re...

Page 41: ...o connect cables to these connectors without contacting your Biomedical Engineering Department or Service Representative This is to ensure the connectors comply with leakage current requirements of one of the following applicable standards Underwriters Laboratories UL 2601 1 Canadian Standards Associations CSA 22 2 No 125 or International Electrotechnical Commission EN60601 1 Telemetry Connector T...

Page 42: ...3 16 170 Series Monitor Revision D 2003023 001 For your notes ...

Page 43: ...to the accessories attached to it the clinical applications in which it is used and the personal preferences of the users This chapter lists all available user setup options in the monitor and provides step by step instructions for making selections Loading Strip Chart Paper 4 2 Turning the Monitor On 4 7 Turning the Monitor On 4 7 Recorder Test 4 9 Mounting the Strain Gauge for IUP Monitoring 4 1...

Page 44: ... monitors Using paper other than catalog number REF 4305AAO BAO CAO DAO may produce inferior print quality could result in permanent damage to the recorder s print head and may void your warranty STORAGE TRANSPORT Paper should be installed in the monitor s strip chart recorder at all times This reduces particle build up on the printhead and facilitates opening the recorder door To protect against ...

Page 45: ...teps CAUTION LOADING PAPER Paper loading instructions for a 170 or 120 Series Monitor are different than other Corometrics monitors with which you may be familiar 1 Press on each side of the paper drawer to release the drawer latches Figure 4 1 Releasing the Drawer Latches 2 Slide the paper drawer out toward you Figure 4 2 Opening the Paper Drawer 3 Remove the plastic wrapper from the paper and di...

Page 46: ...g the Paper NOTE The black squares indicate the end of the recorder paper When the black squares appear the strip chart recorder has approximately 20 minutes of paper remaining when running at a speed of 3 cm min 5 Hold the package of paper so that the black squares are on the bottom of the pack and the GE Medical Systems Information Technologies name and page numbers are on the left side of the p...

Page 47: ... Loading Strip Chart Paper 6 Unfold two sheets from the top of the pack so that they extend toward you Figure 4 5 Creating a Paper Leader 7 Place the pack in the drawer so that the pack is laying flat in the bottom of the paper tray Figure 4 6 Inserting the Paper ...

Page 48: ...ure on both sides of the drawer Avoid skewing the drawer in its tracks The pre printed vertical lines on the paper should be parallel to the printhead You will hear a click when the drawer is locked in place Figure 4 8 Closing the Paper Drawer IMPORTANT PAPER Paper should always be installed in the monitor The monitor runs a self test routine each time it is powered on part of this routine include...

Page 49: ...onnect the AC adapter into the power supply connector labeled CONNECT TO GE MEDICAL SYSTEMS REF 7714AAT ONLY Figure 4 9 Connecting the AC Adapter 2 Connect one end of the detachable line cord to the AC adapter connect the other end into a hospital grade grounded wall outlet 3 Press the monitor s Power button The green indicator next to the button illuminates A self test routine automatically runs ...

Page 50: ...lete If the recorder was on at the time the monitor was turned off the tests will be performed and the recorder will remain on After completion of a successful self test routine the monitor is ready for use Table 4 1 Summary of Self Test Routines Test Description What to Verify Display Indicator Test All displays and indicators illuminate Ensure all indicators and each segment of the displays illu...

Page 51: ...3 001 Setup Procedures Monitor Self Test Routines Figure 4 11 Recorder Test GEMEDICALSYSTEMS 4305CAO kPa UA mm Hg 100 75 50 25 0 12 10 8 4 2 6 0 FHR bpm 30 60 90 120 150 180 240 210 41153 TEST ARE ALLDOTS PRINTED PAGES REMAING 30 240 HR Scale ...

Page 52: ...s Figure 4 12 Setup Mode Summary Model 172 shown 2 1 2 1 2 1 Press to enter the user setup mode Use to select feature code 2 FHR High Alarm Limit See Table 4 2 Press to switch displays The heartbeat indicator lights 2 1 Use to change the value to 185 BPM See Table 4 2 Press to switch displays again The sign lights Repeat steps 2 to 5 1 3 4 5 2 Monitor Feature Code e g FHR Alarms or High Alarm Limi...

Page 53: ... seconds to enter the user setup mode 3 Use the UA Reference button to toggle between the setup code shown in the UA display and the setting or value shown in the primary FHR display The UA display is active when the qualifier illuminates the FHR display is active when the heartbeat indicator illuminates 4 Use the Volume buttons to increase or decrease the code value or setting shown in the active...

Page 54: ...splay Code Description 1 FHR Alarms 0 off disabled 1 on enabled 2 FHR High Alarm Limit 140 210 BPM in increments of 5 BPM 3 FHR Low Alarm Limit 50 140 BPM in increments of 5 BPM 4 FHR Alarm Volume 2 10 10 Minutes time setting 0 59 minutes 11 Hours time setting 0 23 hours 12 Day of Month date setting 1 31 day 13 Month date setting 1 12 month 14 Year date setting 00 99 year ...

Page 55: ...Elimination Models 173 and 174 only off Heartbeat Coincidence Models 172 173 and 174 only off Fetal Movement Detection if purchased and installed on Language set according to shipping destination Recorder Speed United States 3 cm min International 1 cm min Paper Scale United States 30 240 BPM International 50 210 BPM RS 232 Port 1 Communications Mode HP RS 232 Port 1 Baud Rate 1200 RS 232 Port 2 C...

Page 56: ... Strain Gauge for IUP Monitoring IUP monitoring is an intrapartum monitoring method available on Models 173 and 174 Fetal Monitors only There is no provision for mounting the strain gauge directly on the monitor It is recommended that you use a standard IV intravenous pole and mount it according to your hospital protocol ...

Page 57: ... page 4 8 Ensure the monitor enters the normal operating mode NOTE Refer to Customizing the Monitor on page 4 10 if you need to change an alarm or time date setting 3 Check the status of the monitor s alarms disabled indicator When lit the alarms are disabled 4 If the alarms are enabled check the strip chart printout and acknowledge the settings for the high and low alarm limits for the fetal hear...

Page 58: ...4 16 170 Series Monitor Revision D 2003023 001 For your notes ...

Page 59: ...e 170 Series offers the following 171 singleton ultrasound 172 dual ultrasound 173 ultrasound and FECG 174 FECG ultrasound or dual ultrasound This section summarizes the fetal heart rate monitoring methods available in the 170 Series as well as the heart rate offset heartbeat coincidence and heart rate alarm features Ultrasound External Method 5 2 Simulated Fetal Movement Detection Trace 5 3 Fetal...

Page 60: ...or Fetal movement detection FMD is an option which can be installed in your monitor to function with the ultrasound channel Contact your Service Representative for information about purchasing this option Methodology Fetal movement detection is designed to detect gross fetal body movements and body movements with associated limb movement GE Medical Systems Information Technologies defines gross fe...

Page 61: ...ulting from the Remote Event Marker can be configured as one of the following commonly used to record a general event or commonly used as an indication that the mother has perceived fetal movement This is the factory default setting Instruct the mother to press the button on the Remote Event Marker whenever she feels fetal movement Ask her to hold down the button for the duration of the perceived ...

Page 62: ...ory default setting is off Refer to the 170 Series Service Manual for more information Theory and Methodology When ECG artifact elimination is turned on the monitor will not print any new FHR value which differs by more than 25 BPM from the previously calculated heart rate value The printing inhibition functions on a beat to beat basis by comparing the last calculated rate against the newly calcul...

Page 63: ...ling Disabling the Fetal Heart Rate Offset Mode The fetal heart rate offset mode can be enabled disabled from a service setup mode Refer to the 170 Series Service Manual for more information NOTE Enabled and active do not mean the same thing When the option is enabled via the service mode you then have the capability to activate and de activate the function as needed The fetal heart rate offset mo...

Page 64: ...und trace is shifted 20 BPM and the symbol is printed on the heart rate grid every page Upon activation a vertical dashed line is printed to draw attention to the start of the shifted trend De Activating the Fetal Heart Rate Offset Mode After the FHR patterns have been assessed set the secondary FHR trend back to the normal unshifted position 1 Ensure the recorder is on NOTE If the auto revert 10 ...

Page 65: ...Manual for more information Display Indicator When heartbeat coincidence detection is enabled and the monitor detects two heartbeats that appear to be coinciding this may indicate that both heart rate channels are picking up the same signal When this coincidence occurs the heart rate numerics for both heart rates flash alternately one on while the other is off As soon as coincidence is resolved th...

Page 66: ... of the strip chart paper the hearts print twice per page for as long as coincidence is detected Once coincidence is resolved two side by side hearts print once Refer to Figure 5 3 If you disconnect a transducer while coincidence is detected the overlaid hearts stop printing and the side by side hearts print once In addition the mode status line prints on the strip chart paper without the HBC anno...

Page 67: ...the Monitor on page 4 10 A threshold alarm is indicated both visually and audibly Visual indications are provided by flashing the Alarm indicator and the respective heart rate numerics The audio alarm is described as alternating high low tones CAUTION Prior to monitoring each patient it is recommended that you check the alarm status and alarm limits to ensure they are appropriate for the patient T...

Page 68: ...lue returns to within the defined acceptable range Unsilenced Resolved Threshold Alarm If a threshold alarm condition resolves prior to being silenced clinical acknowledgment the visual and audible indications both remain present Press the Alarm Silence button to cancel both the audible and visual indications FHR High Alarm The simplest example of a high FHR alarm occurs when the FHR value is cont...

Page 69: ... alarm limit setting Figure 5 7 Fluctuations Near High Alarm Limit Example Whether or not the pattern shown in Figure 5 7 generates an alarm depends on what percentage of the data violates the limit The monitor evaluates the data on an on going basis the methodology can be simplified as follows A FHR threshold alarm occurs if the FHR violates the alarm limit setting for more time than it stays wit...

Page 70: ... Alarm indicator illuminates and dashes display in the affected fetal heart rate display The audio alarm is described as alternating high low tones Resolved Signal Quality Alarm As soon as an alarm condition is resolved both the visual and audible indications automatically disappear 100 Signal Loss In cases where there is a complete absence of signal the signal quality time to alarm is 1 25 minute...

Page 71: ...n has been resolved Summary The alarm algorithms are intended to assist the perinatal staff in assessing the status of a patient at bedside by recognizing vital signs data that falls outside the user defined normal range The monitor does not replace observation and evaluation of the mother and fetus at regular intervals by a qualified care provider who will make diagnoses and decide on treatments ...

Page 72: ...5 14 170 Series Monitor Revision D 2003023 001 Fetal Heart Rate Monitoring Fetal Heart Rate Alarms For your notes ...

Page 73: ...vailable on 170 Series Fetal Monitors Refer to the Maternal Fetal Monitoring Operator s Manual for additional information The 170 Series offers the following 171 172 TOCO 173 174 TOCO and IUP This section summarizes the uterine activity monitoring methods available in the 170 Series Tocotransducer External Method 6 2 Intrauterine Pressure Monitoring Internal Method 6 4 ...

Page 74: ... Operator s Manual IMPORTANT FOR TRIMLINE TOCOTRANSDUCERS ONLY You must wait at least ten seconds from the time you power the monitor on or connect a tocotransducer before pressing the UA Reference button Establishing a Baseline Monitoring uterine activity using a tocotransducer provides relative pressure measurements compared to a baseline or UA reference The quality of measurements depends on th...

Page 75: ...when applying and tightening the belt You will have to set the baseline again after tightening the belt Accounting for Belt Tension When you adjust the belt on the patient regardless of transducer type you want to ensure a comfortable fit you also want to ensure that the transducer is held securely in place GE Medical Systems Information Technologies recommends adjusting the belt tension so that b...

Page 76: ...ia the service setup mode The monitor is shipped from the factory with a default setting of 10 relative units Qualified service personnel can access the service setup mode to set the baseline default to 5 10 15 20 or 25 relative units Refer to the 170 Series Service Manual for more information Manually Overriding the Baseline Default Value Pressing and holding the UA Reference button for more than...

Page 77: ...onitor using either a fluid filled catheter or a transducer tipped catheter The uterine activity value is displayed in mmHg from 0 100 and the trend is continuously plotted on the bottom or right grid of the strip chart paper as a plain black line Pressure exceeding 100 mmHg is printed as a straight line at 100 mmHg Why Zeroing is Important When you zero the system you are referencing the pressure...

Page 78: ...6 6 170 Series Monitor Revision D 2003023 001 For your notes ...

Page 79: ... chapter discusses the different types of strip chart paper as well as the trends and annotations which are printed This section includes the following information Strip Chart Paper 7 2 Trends 7 5 Annotations 7 6 Paper Error Conditions 7 12 Removing Unused Paper from the Recorder 7 13 ...

Page 80: ... BPM scale with the recorder speed set at 3 cm min As shown in Figure 7 1 a dark line is printed every 3 cm min which represents 1 minute in time at a speed of 3 cm min The uterine activity scale is also pre printed from 0 100 mmHg this same scale is used for relative units In other countries the most common grid may be the 50 210 BPM scale with the recorder speed set at 1 cm min As shown in Figur...

Page 81: ... S AING PAGES REMAING GE MARQUETTE MEDICAL SYSTEMS INC GE MARQUETTE MEDICAL SYSTEMS INC FHR bpm bpm 30 60 90 120 150 180 240 210 FHR kPa UA mm Hg UA mm Hg 100 75 50 25 0 100 75 50 25 0 2 0 8 4 2 6 12 10 8 4 2 6 0 0 kPa 02378 02377 30 60 90 120 150 180 240 210 1 CM 3 CM TOP GRID PRIMARY ANNOTATION AREA BOTTOM GRID PRE PRINTED HR SCALE PRE PRINTED UA SCALE ...

Page 82: ... 2 8 10 12 100 80 60 20 40 kPa 0 6 4 2 8 0 2 200 180 160 140 120 100 80 60 200 180 160 140 120 100 80 60 FHR bpm FHR bpm UA 0mmHg 100 80 60 20 40 UA 0mmHg 4305DAO GE MARQUETTE MEDICAL SYSTEMS INC GE MARQUETTE MEDICAL SYSTEMS INC S ING PAGES REMAING TOP GRID PRIMARY ANNOTATION AREA BOTTOM GRID PRE PRINTED HR SCALE PRE PRINTED UA SCALE 1 CM 3 CM 02378 02377 ...

Page 83: ...lities Two fetal heart rate trends can print in the top or left channel of the strip chart paper The primary trend is printed in plain black the secondary trend is printed in bold black Refer to Table 7 1 The uterine activity trend is printed on the bottom or right grid of the strip chart paper in plain black The fetal heart rate and uterine activity trends are printed continuously Table 7 1 Heart...

Page 84: ...try annotations Peripheral Equipment Data Your 170 Series Monitor has two built in RS 232C ports which can be used to connect to other devices such as a maternal non invasive blood pressure monitor a fetal oxygen saturation monitor or a central information system which supports Hewlett Packard s Digital Series Protocol Contact your Service Representative for more information Data from a Maternal N...

Page 85: ... the diamond marker prints at the time of the reading however the vital signs data print sometime afterwards when a line becomes available The FSpO2 trace prints on the bottom or right of the strip chart paper along with a scale marking the 0 50 and 100 marks The FSPO2 trace is a beaded trace annotated by FSpO2 on the mode line See Figure 7 3 An adequate FSpO2 signal is indicated by a continuous t...

Page 86: ... bottom two lines of the heart rate grid to mark the time of the annotation and to indicate the annotation was made from a remote location TEMP 102 FLUIDS GIVEN SPW Multiple Annotations Sometimes annotations occur within seconds of each other Consider the following example which is illustrated by Figure 7 4 an automatic NBP reading occurs at 16 51 30 three annotations are received from a central i...

Page 87: ...s the elapsed time since the monitor was turned on the time will revert to 00 00 after 24 hours TEST ARE ALL DOTS PRINTED This annotation prints in the middle of the annotation area during the monitor s self test routine which is performed when you turn on the monitor The annotation reminds you to check for a continuous unbroken line of recorder dots US The trend source prints on the bottom annota...

Page 88: ...ure reading and also indicates that the information comes from an external device interfaced via one of the monitor s RS 232C ports The vital signs data prints in one of the top three lines of the annotation area as soon as a printing line is available Fetal oxygen saturation data For example FSpO2 47 The FSpO2 data received from an external fetal oxygen saturation monitor prints once every five m...

Page 89: ...ate grid indicate the start end of the fetal heart rate offset mode respectively This annotation prints on the bottom two lines of the heart rate grid indicating an event Generate the mark by one of the following Briefly press the monitor s Mark Offset button Press the Remote Marker button The Remote Marker is an accessory that can be connected to a 170 Series Monitor The monitor can be configured...

Page 90: ...y be familiar To protect against paper jams the 170 Series recorder contains a paper loading sensor which detects if the paper is incorrectly loaded When the recorder detects a paper load error condition the recorder does not print the Record indicator flashes on and off every second and three short beeps with a low tone sound every three seconds at a fixed volume until the condition is resolved T...

Page 91: ...ront is aligned with the edge of the cart or table on which it stands 2 Press on each side of the paper drawer to release the drawer latches 3 Slide the paper drawer out toward you The drawer should extend out over the cart or table on which the monitor rests 4 Reach underneath the paper drawer and locate the hole in the bottom of the drawer Use your finger to push up on the paper through this hol...

Page 92: ...7 14 170 Series Monitor Revision D 2003023 001 Strip Chart Recorder Removing Unused Paper from the Recorder For your notes ...

Page 93: ...d its accessories If an accessory is not listed consult the manufacturer s instructions CAUTION Unplug the monitor from the AC power source and detach all accessories from the monitor Do not immerse accessories in any liquid Do not use abrasive cloth or cleaners on monitor or accessories This chapter describes the following Monitor Exterior Including Displays 8 2 Tocotransducer Ultrasound Transduc...

Page 94: ...g Monitor Exterior Including Displays Monitor Exterior Including Displays To clean the exterior of the monitor 1 Wipe any fluids from the surface of the monitor 2 Dampen a cloth or paper towel with isopropyl alcohol and gently rub soiled area until clean ...

Page 95: ...r hold under running water 1 Dampen a cloth or paper towel with one of the following products then wring out until only slightly wet Sodium Hypochlorite 5 25 Bleach diluted 10 1 Cidex Sporicidin Soap and water 2 Rub soiled area until clean taking care not to excessively wet the tocotransducer diaphragm seal or the contact surface of the ultrasound transducer 3 Use a cloth dampened with water on th...

Page 96: ...AUTOCLAVE Do not autoclave pressure transducer IMMERSION Do not immerse any part of the electrical connector of the transducer in the cleaning solution at any time Examine the outer sheath of the cable for perforations If the outer covering is damaged in any way do not immerse the cable in the cleaning solution this may result in moisture entering the transducer case which is vented through the ca...

Page 97: ...If the response to a specific question is not found contact your Service Representative Inside the United States Call 1 800 558 5120 Outside the United States Call 414 355 3790 or contact your local distributor This section contains the following General Troubleshooting 9 2 Ultrasound Troubleshooting 9 3 FECG Troubleshooting 9 4 External UA Troubleshooting 9 6 Internal UA Troubleshooting 9 6 ...

Page 98: ...unction yet the Record indicator is on Recorder is out of paper Paper loaded backwards Service required Install paper Refer to page 4 2 Re install paper Refer to page 7 12 Call for service The edges of the paper curl as paper advances out of recorder Paper is loaded skewed Open paper drawer Ensure paper lays flat in the bottom of the tray See Figure 4 7 Close the drawer making sure that the vertic...

Page 99: ... Active fetus or mother Fetal arrhythmia or hiccups Extreme maternal obesity No signal Service required Ensure that transducer is firmly attached to monitor Wait before moving transducer FHR often returns Reposition transducer Apply more gel Replace transducer Use alternate technique Auscultate FHR Call for service Static noise on ultrasound Active fetus Environmental noise Maternal movement Defec...

Page 100: ...ured to legplate post Electrode wire not secure in legplate post Paste is dried or incorrect paste is being used Electrode not properly attached No FECG signal Defective electrode Defective legplate Defective attachment pad Service required Ensure transducer is firmly attached to the monitor Secure legplate to patient Inspect legplate connection Check ECG paste re apply if necessary Replace electr...

Page 101: ...button while no pressure is applied to transducer button Re apply transducer Do not overtighten belt Press UA Reference pushbutton again between contractions Flashing sign Relative pressure 100 Press the UA Reference pushbutton between contractions Flashing dashes show in place of numerics in uterine activity display UA Reference pushbutton pressed before UA circuits stabilized Trimline Tocotransd...

Page 102: ... at same height as catheter tip Catheter has fallen out of place Catheter or strain gauge not zeroed Service required Ensure transducer is securely attached to monitor Flush dome and catheter Replace dome Adjust strain gauge height Replace catheter Calibrate catheter or strain gauge Call for service Blockage in fluid filled catheter Fetus pressing directly on catheter Defective strain gauge or cat...

Page 103: ... 558 5120 Outside the United States Call 414 355 3790 or contact your local distributor and Table 10 1 Supplies Accessories Item Catalog Number REF 170 Series Service Manual 200947 004 Remote Event Marker 3919BAO 170 Series Transducer Holder Desktop Mount 1705ARO 170 Series Mobile Cart with Transducer Holder 1706ARO 170 Series Wall Mount System with Transducer Holder 1707ARO Model 3116 LDR LDRP Be...

Page 104: ...cer Foam Style with Velcro Closure 8024AAO Qwik Connect Plus Spiral Electrode 50 carton 7000AAO Legplate for Qwik Connect Plus Spiral Electrode 8 foot Cord 1590AAO Button Style Legplate for Qwik Connect Plus Spiral Electrode 8 foot Cord 1590CAO Strap Adaptor for Qwik Connect Plus Spiral Electrode Legplates 1594AAO ECG Conductive Cream Bottle 118 ml 12 carton 4514AAO Reusable Legplate Strap with Ve...

Page 105: ...Revision D 170 Series Monitor 10 3 2003023 001 Supplies Accessories Corometrics Saflex Intermediate Cable 1336AAO Holder Assembly for Disposable Pressure Transducer 4518BAO ...

Page 106: ...10 4 170 Series Monitor Revision D 2003023 001 Supplies Accessories ...

Page 107: ...pter 11 Technical Specifications 11 This section contains a detailed list of the technical specifications for the 170 Series Monitor This chapter lists specifications for the following General Monitor 11 2 Operating Modes 11 3 Strip Chart Recorder 11 4 ...

Page 108: ...hart Papera Ambient Temperature Relative Humidity a Paper operating environmental conditions are for a period of less than one month Paper storage environmental conditions are for extended storage Operating Storage 50 F to 104 F 10 C to 40 C 14 F to 131 F 10 C to 55 C 10 to 75 non condensing 10 to 90 non condensing 50 F to 104 F 10 C to 40 C 80 F 26 5 C 30 to 70 non condensing 45 to 65 non condens...

Page 109: ...ype Pulse Repetition Frequency Pulse Duration Transmitter Frequency Spatial Average Temporal Average Intensity Focal 20 dB Beam Area Peak Instantaneous Intensity Heart Rate Counting Range Leakage Current Isolationa Mains to Patient a The ultrasound connector is isolated for the primary ultrasound channel combi connector on Model 174 Monitors only Pulsed Doppler with autocorrelation processing 9 cr...

Page 110: ...ications Heart Rate Scale Chart Width Scaling Range Resolution Domestic International 7 cm 8 cm 30 BPM cm 20 BPM cm 30 240 BPM 50 210 BPM 1 BPM 1 BPM Uterine Activity Scale Chart Width Scaling Range Resolution Strain Gauge Tocotransducer 4 cm 4 cm 25 mmHg cm 25 relative units cm 0 100 mmHg 0 100 relative units 1 mmHg 1 relative unit Recorder Drive Speeds Speed Accuracy 1 2 and 3 cm min 2 over 10 m...

Page 111: ......

Page 112: ...an Representative GE Medical Systems Information Technologies GmbH Munzinger Straße 3 5 D 79111 Freiburg Germany Tel 49 761 45 43 0 Fax 49 761 45 43 233 Asia Headquarters GE Medical Systems Information Technologies Asia GE China Co Ltd 24th Floor Shanghai MAXDO Center 8 Xing Yi Road Hong Qiao Development Zone Shanghai 200336 P R China Tel 86 21 5257 4650 Fax 86 21 5208 2008 0459 ...

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