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Medical measuring

instruments

Pulse oximeter

It is a medical control and diagnostic device for non-invasive measurement of oxygen saturation of capillary blood (pulse oximetry).

Applicationthe:

• evaluation function of the respiratory system
• Anesthesiology
• chronic obstructive pulmonary disease
• Sarcoidosis
• tuberculosis

Spirometer

This is a medical device for measuring the volume of air coming from the lungs with the greatest exhalation after the greatest inhalation. Spirometer is used to determine the respiratory ability. The process of measuring the vital capacity of the lungs using a spirometer is called spirometry.

Application:

• in departments of functional diagnostics of out-patient and in-patient medical institutions;
• in medical research institutes;
• in the offices of family doctors and clinics of family medicine;

Sphygmograph

Sphygmograph is an outdated medical diagnostic device for obtaining a graphical display of the properties of the arterial pulse, which became widespread in the XIX century. The method of instrumental research, in which this mapping is obtained, was called sphygmography. The result of sphygmography is a sphygmogram, which assesses the dynamics of changes in blood pressure in the arteries and heart rate. In medical history, it is believed that sphygmography is the first attempt of non-invasive measurement of blood pressure.

Sphygmomanometer

Sphygmomanometer-tonometer for non-invasive measurement of blood pressure. The sphygmomanometer consists of a pressure gauge measuring air pressure; a cuff worn on the patient's arm; and an air blower with an adjustable descent valve.

There are four types of sphygmomanometers: mercury, mechanical (aneroid), automatic and semi-automatic.

Tonometer

Tonometer-medical diagnostic device for measuring blood pressure (Sphygmomanometer), intraocular pressure (see Eye tonometry) or tonic tension (tone) of muscles.

Phoropter

A foropter (or foropter) is a device commonly used by optometrists and ophthalmologists during an eye examination (vision test) to measure a patient's refractive error (refractive error) and determine prescription information for glasses.

Foropter can determine: forii (natural position of the eyes at rest), the amplitude of accommodation, the delay of accommodation, the state of accommodation, horizontal and vertical vergences, the presence of astigmatism, which has an axis measured by an angle of 0 to 180 degrees from the horizontal position, etc.

Acidogastrometer

Acidogastrometer-medical device for the study of acid-producing and acid-neutralizing functions of the gastrointestinal tract. Main components: the recording unit (the technical name of the secondary transducer) and one or more pH probes (the technical name of the primary Converter). the pH probe is inserted into the hollow organ in which the acidity is measured.

In modern medical practice, there are following types of alcoholimetro:

• stationary and wearable;computer and not computer;
• single and multi-seat (multi-seat only stationary);
• performing one type of study (pH-metry) or several