Electromedical Engineering Laboratory

Laboratory views W08 (basement)

Table of contents:

Practical experiments, 4th semester

To gain an understanding of how the human respiratory system works
To familiarise students with the equipment and methods used in pulmonary function testing
Presentation and analysis of physical parameters relating to respiration and gas exchange
To familiarise students with methods of artificial ventilation in humans using a ventilator and a lung simulator
Photo captions: 1 PC, 2 Matalyzer (Cortex, Leipzig), 3 breathing mask, 4 calibration pump, 5 lung simulator, 6 ventilator (Dräger)

To familiarise oneself with the structure of the measurement chain in medical measurement technology
To determine the characteristics of a biosignal amplifier for ECG, EEG and MEG signals (frequency response, step response, common-mode rejection)
To familiarise oneself with the types of interference coupling and the methods available for reducing interference
To deepen understanding of unbalanced and balanced signal sources

To demonstrate the methods used for invasive and non-invasive blood pressure measurement
To describe the technical aspects of the individual measurement systems and to determine the resistance and compliance, resonance frequency, quality factor and damping of a hydraulic system
To familiarise students with methods of specific signal processing for pressure signals
Comparison and evaluation of the various methods of blood pressure measurement

Application of ultrasonic measurement technology using 1 MHz and 2 MHz probes based on the echo and Doppler measurement principles for material testing and flow measurement
Explanation of the basic principles of colour Doppler
Familiarisation with the key instrument parameters and their influence on image quality
Familiarisation with the main artefacts and ways to minimise them

An opportunity for interdisciplinary training for medical students or biologists!

To gain an understanding of the structure, parameters and specific requirements of a biosignal amplifier
Demonstration of the effects of using incorrect filter parameters and design or application errors

To familiarise oneself with recording techniques and standard interpretations in electrocardiography
Investigation of biological and technical artefacts in ECG recordings
Application of standard methods of digital biosignal processing
To familiarise students with characteristic pathological electrocardiograms and the possibilities of automatic, computer-assisted interpretation

To familiarise oneself with the design and operation of Biotronik pacemakers
Programming of pacemakers
To observe the pacemaker’s response to abnormal cardiac electrical activity using a patient simulator
Testing the pacemaker’s tissue impedance measurement

An opportunity for interdisciplinary training for doctors and/or biologists!

To determine and compare the properties of various electrodes used in electrodiagnostics and electrotherapy
Equilibrium potential
U-I characteristic curve and step response
Determination of the conductivity of electrolytes
Polarisability and noise of electrodes
Impedance spectrum of various electrodes

Testing of electro-medical equipment in accordance with standards
Carrying out measurements using equipment in a practical setting
Gaining an understanding of the specific safety requirements for medical devices