Course detail

Electronic systems and measurement

FEKT-APBTAcad. year: 2014/2015

The subject is focused to operation of some medical devices. In practical exercises the students will deal with problems encountered in operation of medical devices.

Language of instruction

Czech

Number of ECTS credits

4

Mode of study

Not applicable.

Guarantor

doc. Ing. Milan Chmelař, CSc.

Department

Department of Biomedical Engineering (UBMI)

Learning outcomes of the course unit

The student obtain practical experience with operating of basic instruments in clinical practice, application these instruments to patients and with procedure for evaluation of measured values.

Prerequisites

Diagnostic medical technology. Therapeutic and protetic technology.

Co-requisites

Not applicable.

Planned learning activities and teaching methods

Teaching methods depend on the type of course unit as specified in the article 7 of BUT Rules for Studies and Examinations.

Assesment methods and criteria linked to learning outcomes

Requirements for successful completion of the course are specified by guarantor’s regulation updated for every academic year.

Course curriculum

Lectures
1. Construction and testing of basic electronic equipments
2. Measurement of basic electrical quantity (current, voltage, power, frequency, phase shift, impedance, capacity, inductance)
3. Basic measuring instruments and methods for DC and AC measurement
4. Basic modules of electronic instruments (power supplies, filters, amplifiers)
5. Basic modules of electronic instruments (comparators, electronic switches, flip-flops)
6. Logic circuits and principles of realisation of logical functions
List of practical laboratory exercises
Exercise 1
Pacemaker
The aim of this exercise is construction of a simple pacemaker and measuring of its properties. For this exercise is detailed instruction.
Exercise 2
Simple alarm system with acoustic (varying sound) and optical indicator (flashing LED)
The aim is construction of this circuit and measuring of this property. For this exercise is detailed instruction.
Exercise 3
Automatic defibrillator (the introduction for this exercise is short presentation about defibrillators)
Practice in resuscitation by using of AED simulator ZOLL. Each student is tested.
Exercise4
EEG 1
The aim of this exercise is teach of basic function EEG apparatus from ALIEN company in order to record of EEG signal by students.
Exercise 5
EEG2
The aim of this exercise is practical record of EEG signal from subject and demonstration of biofeedback.
Exercise 6
EMG 1
The aim of this exercise is teach of basic function EMG apparatus (include stimulator) from ALIEN company in order to record of EMG signal by students.
Exercise 7
EMG2
The aim of this exercise is practical record of EMG signal from subject (native and with using of stimulator). For hygienic reason, the disposable Ag-AgCl electrodes are used.
Exercise 8
Blood pressure measurement
Blood pressure measurement by using of auscultation method, blood pressure measurement by using of automatic oscillometric apparatus. Procedure for calibration of automatic blood pressure apparatus.
Exercise 9
ECG+simulator+blod oxygen saturation measurement
Description of the ECG machine. Characterization of ECG signal variability (by using of ECG simulator), record of ECG from a subject, determination of electrical heart axis. Using of pulse oximeter, calibration of pulse oximeter by using of tester.
Exercise 10
Simple stable pulse generator for battery power supply
Construction and measuring of properties stable pulse generator with battery power supply (without necessity stabilisation of power supply)
Exercise 11
Substitute exercise
This exercise is for students which have been missing any exercise. For compensation is stated one week.

Work placements

Not applicable.

Aims

The knowledge of students will be extendt to general instruments technique. The next profit will be theoretical and practical dexterity from electrical measurement of electrical and nonelectrical quantity. The part of education is practical experience with measuring instruments and methods for DC and Ac measurement.

Specification of controlled education, way of implementation and compensation for absences

Extent and forms of monitored teaching is specified by guarantor’s regulation updated for every academic year.

Recommended optional programme components

Not applicable.

Prerequisites and corequisites

Not applicable.

Basic literature

Chmelař M.: Lékařská laboratorní technika – VUT Brno 2000 (CS)
Chmelař M. : Lékařská přístrojová technika I – CERM, s.r.o. 1995 (CS)

Recommended reading

Not applicable.

Classification of course in study plans

  • Programme BTBIO-A Bachelor's

    branch A-BTB , 3 year of study, summer semester, compulsory

  • Programme EEKR-CZV lifelong learning

    branch EE-FLE , 1 year of study, summer semester, compulsory

Type of course unit

 

Lecture

13 hod., optionally

Teacher / Lecturer

doc. Ing. Milan Chmelař, CSc.

Syllabus

1.Konstrukce a testování základních elektronických obvodů
2.Měření základních elektrických veličin (proud, napětí, výkon, kmitočet, fázový posun, impedance, kapacita, indukčnost)
3.Základní měřicí přístroje a metody pro stejnosměrná a střídavá měření
4.Základní moduly elektronických přístrojů (napájecí zdroje, filtry, zesilovače)
5.Základní moduly elektronických přístrojů (komparátory, elektronické spínače, klopné obvody)
6.Logické členy a obvodové principy realizace kombinačních funkcí

Laboratory exercise

39 hod., compulsory

Teacher / Lecturer

Ing. Markéta Koťová
doc. Ing. Milan Chmelař, CSc.
Ing. Vratislav Harabiš, Ph.D.

Syllabus

1. Electrocardiograph – scanning of EKG signal, the basis of evaluation
2. Electromyograph – scanning of signals from groups of muscles ( using surface electrodes) for different isometric load of muscles
3. For the whole group of above devices – effect of transmission characteristics of the device on the resulting shape of signal (the source will be a simulator). Diagnostic significance of the changes. Simulated defects in devices influence the resulting transmission characteristics.
4. Scanning of the electric activity of brain – impact on the behaviour of the patient and on the nature of the signal, evaluation of the shape of the signal
5. The parameters of scanning electrodes.
6. Blood pressure measurement – use of Korotkov sounds and the oscillometric method and their comparison.
7. Pure tone audiometry, speech audiometry
8. Impact of the discrimination factor of the device on the magnitude of interference with the scanned signal by network frequency of 50 Hz. Impact of the transition resistivity of electrodes on the resulting discrimination factor (difference between the theoretical and practical value).
9. Impact of the discrimination factor of the device on the magnitude of interference with the scanned signal by network frequency of 50 Hz. Impact of the transition resistivity of electrodes on the resulting discrimination factor (difference between the theoretical and practical value).
10. Impedance measurement of blood flow
11. Measurement of blood saturation with oxygen. Possible ways of influencing the final result.
12. Alternative medicine – application of electroacupuncture
13. Substitute exercises + course-unit credit