Standard

 

BMI 232 – Medical Equipment – Function and Operation I

Course Description:

Introduces the study of electromechanical systems currently in use throughout the health care field.  Provides an overview of typical biomedical instruments used in the field.  Topics include:  monitors, ECG machines, intensive care units, coronary care units, operating room equipment, and telemetry systems.

 

Competency Areas:

Hours:

 

 

 

Monitors                                                                                           

Class

3

ECG Machines

D. Lab

0

Intensive Care Units

P. Lab/O.B.I.

3

Coronary Care Units

Credit

4

Operating Room Equipment

 

 

Telemetry System

 

 

 

 

 

Prerequisites

 

Corequisites:

AHS 101, AHS 109, BMI 233
 
Course Guide

 

Competency

After completing this section, the student will:

Hours

Class

D. Lab

P. Lab/

O.B.I.

MONITORS

10

0

15

Signal acquisition

Discuss the purpose of signal acquisition systems and give examples of electrodes and transducers used for this purpose.

 

 

 

Electrodes

Describe ECG electrode use in a patient monitoring system.

 

 

 

 

Describe EEG electrode use in a patient monitoring system.

 

 

 

Bridge circuits

Give an example of Wheatstone bridge circuit use for monitoring patient conditions.

 

 

 

Strain gages

Name the types of strain gages used with patient monitoring systems.

 

 

 

 

Compute gage factor and explain its use in a patient monitoring system.

 

 

 

Transducers

Name the types of transducers used in patient monitoring systems.

 

 

 

 

Describe inductive transducer operation in patient monitoring systems.

 

 

 

 

Describe capacitive transducer operation in patient monitoring systems.

 

 

 

 

Give examples of transducers use in monitoring patients’ temperature.

 

 

 

 

Compare and contrast the advantages and disadvantages of each.

 

 

 

Physiological pressure measurements

Define physiological pressure as applicable to biomedical equipment used in monitoring blood pressure.

 

 

 

Measurement methods

Name the types of blood pressure monitoring equipment.

 

 

 

 

Describe the various types of amplifiers used in physiological pressure monitoring equipment.

 

 

 

 

Explain blood pressure detector circuit function and operation in deriving systolic, diastolic, and mean measurement.

 

 

 

Analyzing problems

Discuss the problems associated with monitoring patients’ physiological pressure.

 

 

 

Pressure monitoring equipment calibration

Calibrate various types of physiological pressure monitoring equipment.

 

 

 

Pressure monitoring equipment maintenance

Analyze faults in various types of physiological pressure monitoring equipment.

 

 

 

 

Remove and replace components and/or sub-systems to return physiological pressure monitoring equipment to a serviceable condition.

 

 

 

ECG MACHINES

10

0

10

Electrocardiographs

Discuss the heart as a potential source of information about its condition.

 

 

 

 

Components

Identify the various parts of an ECG waveform.

 

 

 

 

Describe the parts of a standard lead system and state the purpose for the different parts.

 

 

 

Operation

Describe ECG machine operation.

 

 

 

 

Operate an ECG machine.

 

 

 

Maintenance

Isolate ECG machine faults.

 

 

 

 

Repair and/or calibrate an ECG machine.

 

 

 

INTENSIVE CARE UNITS

5

0

0

Purpose

Discuss the purpose of intensive care units.

 

 

 

Biomedical instruments

Describe the common biomedical instruments used in an intensive care unit.

 

 

 

Maintenance

Discuss scheduled maintenance performance procedures on biomedical instruments used in intensive care units.

 

 

 

CORONARY CARE UNITS

5

0

0

Purpose

Discuss the purpose of coronary care units.

 

 

 

Biomedical instruments

Describe the common biomedical instruments used in coronary care units.

 

 

 

Maintenance

Discuss scheduled maintenance performance procedures on biomedical instruments used in coronary care units.

 

 

 

OPERATING ROOM EQUIPMENT

5

0

0

Purpose

Discuss the purpose of operating room units.

 

 

 

Biomedical instruments

Describe the common biomedical instruments used in operating room units.

 

 

 

Maintenance

Discuss scheduled maintenance performance procedures on biomedical instruments used in operating room units.

 

 

 

TELEMETRY SYSTEMS

5

0

5

Purpose

Give examples of information which is processed by hospital telemetry systems.

 

 

 

Process

Draw a block diagram of a typical hospital telemetry system and name each block.

 

 

 

Fault analysis

Describe the symptoms of a hospital telemetry system transmitter unit failure.

 

 

 

 

Describe the symptoms of a hospital telemetry system receiver unit failure.

 

 

 

 

Describe the symptoms of a hospital telemetry system transmission unit failure.

 

 

 

Preventative maintenance

Develop a preventative maintenance program for a hospital telemetry system including schedules for servicing equipment, equipment list, and estimated hour of accomplishing tasks.

 

 

 

 

Suggested Resources

 

Books:

 

American Hospital Association.  (1988).  Maintenance management for medical equipment.  Chicago: Author.

Association for the Advancement of Medical Instrumentation.  (1990).  AAMI standards and recommended practice (Vol. 1).  Arlington, VA: Author.

Association for the Advancement of Medical Instrumentation.  (1990).  AAMI standards and recommended practice (Vol. 2).  Arlington, VA: Author.

Association for the Advancement of Medical Instrumentation.  (1990).  AAMI standards and recommended practice (Vol. 3).  Arlington, VA: Author.

Aston, R.  (1990).  Principles of biomedical instrumentation and measurement.  Columbus, OH: Merrill.

Carr, J. J., & Brown, J. M.  (1981).  Introduction to biomedical equipment technology.  Arlington, VA: Assn Adv Med Instrn.

Vocational-Technical Education Consortium of States.  (1991).  Biomedical equipment technology: Product elements.  Decatur, GA: Author.