IDA - Weebly

IDA - Weebly

Infusion Pump IDA Dr Fadhl Al-Akwaa [email protected] www.Fadhl-alakwa.weebly.co m Please contact Dr Fadhl to use this material Infusion Pumps ?What are they Usually electrically powered infusion devices ?What do they do Use pumping action to infuse fluids, medication or nutrients into patient

Suitable for intravenous, subcutaneous, enteral and epidural infusions in the intensive therapy units (ITUs) and .theaters Infusion Pumps ?Why are they used To provide accurate and controllable flow over a prescribed period or on demand ?What are they used for Wide range of drugs and therapies including Chemotherapy Pain management

Total parental nutrition Anaesthesia/sedation .Etc. etc How to deliver medical solution to the patient? Flow rate ml/hr=# drops /hr * drop size ml Please contact Dr Fadhl to use this material Example ml 500

hr 1 500 ml/hr Flow rate ml/hr=# drops /hr * drop size ml 500 ml/hr=# drops /hr * 0.07 ml 2 drops/sec Please contact Dr Fadhl to use this material Example ml 10 hr 1 ml/hr 10 Flow rate ml/hr=# drops /hr * drop size ml 10 ml/hr=# drops /hr * 0.07 ml 0.03 drops/sec

Impossible manually Please contact Dr Fadhl to use this material The automation is the solution (Infusion pump) Please contact Dr Fadhl to use this material How it works? IR disconnect by drop EMITER TRANSMITER IR light

Microcontroller .counter Counter increment MICROCONTROLLER Flow rate ml/hr=# drops /hr * drop size ml Please contact Dr Fadhl to use this material P0.0 Flow Rate

Heart Disease dangerous 1ml/h<= Normal feeding glucose 100-200ml\h Patient suffering from 4ml\h diabetes (400) Patient suffering from

3ml\h diabetes (300) Heart attack patient needed Medical 240ml/h solution (dopamine) Low pressure & bleeding )loss of body fluids( Please contact Dr Fadhl to use this material 400-600ml/h How it works? Flow rate set by

the nurse Desired FR IR disconnect by drop EMITER TRANSMITER IR light Microcontroller .counter

Counter increment MICROCONTROLLER Flow rate ml/hr=# drops /hr * drop size ml Measured FR Please contact Dr Fadhl to use this material P0.0 Measured FR

N > Measured FR Desired FR Y Please contact Dr Fadhl to use this material How to move the fluid Rollers .

3 Please contact Dr Fadhl to use this material Flow Rate :" "Flow Rate " "

Please contact Dr Fadhl to use this. material Hagen-Poiseuille Q = .r^4 r^4 (P1 P2)(R.r^4 P.r^4 M).................................. 8.r^4 .r^4 L Q: ml/hr r: P1: P2:

: L: R.r^4 P.r^4 M : Please contact Dr Fadhl to use this material Pressure sensor Clock generator POWER supply

ADC LCD display Electronics for LCD THE patient Air bubble sensor KEYPAD MICRO CONTROLLER

buffer Stepper motor Driver Connectivity Package Signal conditioning electronics Drop sensor (infra-red)

Please contact Dr Fadhl to use this material IV-SET Gear box Hazard Analysis 1. Operational Hazards 2. Environmental Hazards

3. Electrical Hazards 4. Hardware Hazards 5. Software Hazards 6. Mechanical Hazards (Physical Hazards) 7. Biological and Chemical Hazards 8. Use Hazards Please contact Dr Fadhl to use this material Alarm & Alert Alarm (p): An alarm consists of audio and video signals. p indicates a specific type of alarm, e.g., occlusion. Alert (p): A warning issued to the user. Typically just a visual signal. Infusion should not be stopped. Please contact Dr Fadhl to use this material

ALARMS 1- Occlusion 2. Air-in-line 3. Dead battery / No power 4. Empty Reservoir 5. No reservoir 6. Dose limit / Bolus limit Exceeded 7. Key pressed alarm 8. POST failure issued when one of the POST tests fails a CPU test failure b ROM / RAM CRC test failure c Battery test failure d Stuck key test failure e Watchdog test failure f Real Time Clock test failure g Tone test failure Please contact Dr Fadhl to use this material

ALARMS 9. Watchdog alarm issued when the watchdog timer/counter reaches zero 10. Overheating 11. Channel disconnected 12. Sensor failure 13. Defective battery / Battery cannot be charged 14. A-to-D conversion failed 15. System failure issued when one of the system checks fails Please contact Dr Fadhl to use this material ALERT 1. Low battery 2. Dose out of range / Check dose settings 3. Low Reservoir 4. Panel unlocked / door open 5. Infusion set not loaded properly

6. Dose error reduction check failed / Dose set out of range 7. Key press required (a key input is required, while the pump is idle for 5minutes) Please contact Dr Fadhl to use this material Flow Rate Sensor IR disconnect by drop TRANSMITER EMITER IR light Counter increment MICROCONTROLLER

Please contact Dr Fadhl to use this material P0.0 Pressure Transducer INPUT PRESURRE TRANCDUCER D0 D1 D2 D3 D4 D5 D6 D7

P7.0 P7.1 P7.2 P7.3 P7.4 P7.5 P7.6 P7.7 SOC EOC P0.2 P0.3 ADC0808

7414 CIRCUIT CLOCK Please contact Dr Fadhl to use this material MICROCONTROLLER Pressure Transducer monitoring Capture the data Y alarm D > 204 stop alarm

N D < 102 Y Display (LCD) alarm Display (LCD) N Display (LCD) Please contact Dr Fadhl to use this material Air Bubble Sensor Matching network

Frequency filter Transmit Crystal Place for liquid flow detector output Receive Crystal RF amplifier Matching network

Please contact Dr Fadhl to use this material Code to work Keypad 8pins LCD 13 pins ADC 13 SENSORS ADC STEPER MOTOR 4 ALARMS DAC

Please contact Dr Fadhl to use this material Code to work http://fadhl-alakwa.weebly.com/uploads/5/3/6/4/5364958/graduationproject.rar

$INCLUDE (C8051F020.Inc) org 000h Ljmp start org 003h Ljmp FLOW_INT ORG 0BH LJMP steeper_int ORG 01BH LJMP delay_INT ORG 073H LJMP T3_INT ;PROGRAM START ; INTERUPT SUBROUTINE TO CALCULATE

;DROPS NUMBER ;TIMER INTERUPT FORM WATCH org 100h start: ///////////////////////////////////////////INITALAZE THE KIT//////////////////////////////////// MOV SP,#05FH Mov WDTCN, #0DEh ;DISABLE WATCH DOG Mov WDTCN, #0ADh LCALL PORT_INI ;DETERMINE WHICH PORT IN OR OUT AND MOV IE ,#10001011B ;ENABLE /INT0 $TIMER0 __REGISTER MOV EIE2,#00000001B ;ENABLE TIMER3

Mov OSCICN, #00000100b DJNZ r8,$ DJNZ r8,$ LCALL LCD_INI XBR0,XBR1,XBR2__ ; INATALIZE LCD ;///////////////////////////////////////////////////////// MAINLOOP////////////////////////////////////////////// MAINLOOP: Lcall adc keypad: Mov p2,#7 Mov a,p1 cjne a,#15,fc ; bb:

Mov p2,#11 Mov a,p1 cjne a,#15,sc cc: Mov p2,#13 Mov a,p1 cjne a,#15,fady2 ; ;TO WORK ADC first column ;second column ;third column Please contact Dr Fadhl to use this material

Infusion Pumps TYPES Drip-Rate Pumps Syringe Pumps Volumetric Pumps Pumps) PCA(Patient Controlled Analgesia Pumps for Ambulatory Use Pumps Anesthesia Spring driven clockwork, and gas powered .infusion devices are also available

Syringe Pump Syringe Pumps Generally used for low volume, low flow rate infusions Good short term accuracy Long start up time at low flow rates Prime and purge line before connecting to patient Alarms: End/near end of infusion; drive disengaged, occlusion, battery low Specialised syringe pumps for ambulatory use, PCA, sedation, insulin etc Patient Controlled Analgesia (PCA) Pumps These are devices in which the patient is able to initiate a dose of the infusion solution for the relief of pain.

They are typically syringe pumps, as the total volume of drug to be infused can usually be contained in a single-use syringe. Some PCA pumps are based on volumetric designs. The difference between a PCA pump and a normal syringe pump is the provision of a facility to enable patients to deliver a bolus dose themselves. Access by the patient to the pump itself is prevented, pre-programmed restraints are placed on the parameters of the boluses and, in addition, a basal rate delivery of solution outside the control of the patient may be provided. Please contact Dr Fadhl to use this material Volumetric Pumps Latch

Cam followers (fingers) Pressure sensor Air in line detector Volumetric Pumps Preferred for medium and high flow rates and large volumes Generally not suitable for rates < 5ml/h Variable short term accuracy Alarms: Latch/door open, set out, occlusion, battery low, air-in-line Specialised volumetric pumps for ambulatory .use, epidural infusions etc

Mode of operation Please contact Dr Fadhl to use this material IDA Please contact Dr Fadhl to use this material TEST PARAMETERS Measurement of Volume Delivered 0.06 - 9999 ml Measurement of Flow Rate 0.5 - 1000 ml/hr. Measurement of Occlusion Pressure Measurement of Back Pressure0 to 45 PSI and equivalents in mmHg and kPa.

PCA Bolus Measurement PCA Pre Trig Time The bolus flow rate should be at least four times the basal flow rate for reliable detection of boluses. Please contact Dr Fadhl to use this material What to test? Perform a Flow Test Perform a Volume Test Perform an Occlusion Pressure Test Perform a PCA Test Perform a Dual Flow Rate Test

Please contact Dr Fadhl to use this material Please contact Dr Fadhl to use this material Please contact Dr Fadhl to use this material Please contact Dr Fadhl to use this material Terminology Bolus Volume: This is the bolus volume that the pump is set to deliver. Lockout Time: time the device under test should inhibit requests for a bolus after the last bolus was delivered. The time that the PCA pump is programmed to inhibit patient demands between boluses. keep vein open KVO minimum basal rate to keep vein open. free-flow fluid enter patient body by gravity . occlusion response times time required to sense the occlusion.

basal rate (continuous low rate infusion) Dual flow rate: primary and secondary flow rate Please contact Dr Fadhl to use this material VERY Importance A suitable test fluid can be made using de-ionized water with a wetting agent such as MICRO-90. It is suggested that a 1-% stock solution of MICRO-90 be prepared in volume using de-ionised water which may be kept up to 6 months in a closed vessel. This solution should then be diluted 10:1 with deionized water for daily use. Should the water you use cause too much foaming, then a 20:1 dilution is recommended for the daily solution. Please contact Dr Fadhl to use this material

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