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The development process of B-ultrasound

The development of B-mode ultrasound has gone through three stages of development. The first is black and white ultrasonic diagnosis, that is, ordinary B-mode ultrasound. The images measured by ultrasound probe are black and white. They can only observe the structure of the fetus and measure how big the head is and how long it is. Color B ultrasound in 80s of last century in pu...

Importance of combination of urine analyzer and microscope

The importance of the combination of urine analyzer and microscope is convenient and diagnostic for clinical diagnosis with the universal use of modern urine.

Classification and function of lead glass (lead glass)

The classification and function of lead glass (leadglass) consist of glass with many lead oxide except silica, three oxidation and two boron. It is used for manufacturing optical glass, electric vacuum glass, low temperature sealing glass, radiation shielding glass, lead crystal glass, Flint type optical glass, low melting glass, delay line glass, and so on.

Common faults and treatment of Hitachi 7170 automatic biochemical analyzer

Hitachi 7170 automatic biochemical analyzer common faults and processing Hitachi 7170A automatic biochemical analyzer is our hospital purchased from Hitachi analyzer, it has the characteristics of high accuracy, high speed, good repeatability and so on, is an ideal biochemical analyzer.

Electrocardiogram machine operation process and matters needing attention

Electrocardiogram machine operation process and matters needing attention: shielding the screen, cleaning the skin, connecting the lead line and the lead ball, opening the switch, designing the paper speed, opening the anti-interference key, testing, recording the paper and closing the switch. Notice of electrocardiogram 1.. Confirm the lead and...

Constitution of automatic biochemical analyzer

The composition of automatic biochemical analyzer: because the automatic biochemical analyzer is the process of imitation manual operation, so no matter which kind of automatic biochemical analyzer, its structure composition is similar to some manual equipment, generally can have the following parts: 1, sample device: placing the sample to be tested, standard, and so on.

Safety guarantee for using high frequency electric knife

Safety assurance, high frequency electric knife itself must have a perfect and reliable security system, which is the most basic condition to ensure the safety of patients and medical staff. Therefore, high frequency electric scalpel should be strictly tested and checked one by one or repeatedly. Users should also establish appropriate...

Portable medical X ray machine

Medical portable X optical machine medical portable X optical machine is also known as portable medical X optical machine or medical X perspective instrument. This type of X optical machine is suitable for medical purposes, mainly for clinics, township hospitals, athletes training departments and schools, medical departments and other departments. From...

Introduction and working principle of electrocardiograph

The electrocardiograph is an instrument used to record physiological electrical signals generated during cardiac activity. Because the diagnostic technology of electrocardiograph is mature, reliable, simple and convenient, the price is moderate, and the patient is free from injury.

Introduction of high frequency electrosurgical knife

High frequency electrosurgical knife (high frequency electrosurgical knife) is a kind of electrosurgical instrument instead of a mechanical scalpel for tissue cutting. The tissue is heated by the high frequency and high voltage current generated by the effective electrode tip when contacting with the body.

Safe use of high frequency electric knife (monopole)

The safe use of high frequency electrocautery (monopole) in operation room, high frequency electric knife is a kind of electrosurgical equipment instead of mechanical scalpel for tissue cutting. It is widely used in surgical operation. High frequency electrosurgical knife has the advantages of fast hemostasis, less bleeding, prevention of bacterial infection, and good postoperative healing. Safety of electrosurgery and patient's...

Some functions of the infusion pump of "computer infusion pump"

It consists of 5 parts: microcomputer system, pump device, detection device, alarm device and input and display device. Basic operations: 5 infusion processes, including infusion pumps, infusion pumps, pipes, channels, venipuncture and infusion. Objective: to make up for the shortage of traditional infusion.

Audiometric audiometry of audiometer audiometer

Pure tone hearing threshold test is a subjective behavior test, so the test results will be influenced by some external factors and internal factors. External factors include testing environment, testing instruments, inspectors' professional skills, methods and procedures. The internal factors are: Subjects' motivation, responsiveness, and understanding of test requirements. ...

What are the main uses of the traction bed?

Cervical vertebrae and lumbar bones are difficult to get effective exercise without external force. In order to help exercise and protect the neck and lumbar vertebrae, the multifunctional traction bed of neck and lumbar vertebra is integrated into the Department of orthopedics. The scientific theory of ergonomics, biomechanics and traditional massage can be used to synchronize the neck shoulder, back vertebrae and lumbar vertebrae to the joints of the big and the lower legs.

What is the effect of microinjection pump?

The microinjection pump pumps a small amount of liquid into the body accurately, minim, evenly and continuously. The operation is convenient, regular and quantitative, and the concentration and speed of drugs can be adjusted at any time according to the needs of the patients, so that the drug can maintain effective blood concentration in the body. Using micropump to rescue critically ill patients can reduce the workload of nurses and improve work efficiency.

How does cardiopulmonary resuscitation device use CPR correctly?

Cardiopulmonary resuscitatory apparatus: commonly known as cardiopulmonary resuscitatory machine, cardiopulmonary resuscitatory device, etc., is a mechanical device for the treatment of cardiac arrest. Over the past forty years, with the development and progress of science and technology, the "cardiopulmonary resuscitatory" has been constantly improved and perfected according to clinical needs. The latest generation of equipment is designed according to the American Heart Association.

What's the effect of fetal echocardiography on fetus?

Fetal heart is the mother's initial listening to the baby, fetal movement, is the baby's initial interaction with the mother. Fetal movement is often felt during pregnancy. The fetal heart must be listened to by professional instruments at the time of birth examination. The first trimester is usually checked once a month, for a pregnant mother who wants to listen to the fetal heart at home, a Doppler fetus.

What are the correct steps to use the monitor?

Routine chest bipolar lead monitoring, select the ideal location, and choose the monitoring, operation or diagnosis, and so on, should make the ECG waveforms clear and easy to analyze arrhythmia. The positive electrode is located below the negative pole, avoiding the location of auscultation and defibrillation, avoiding friction and frequently moving parts, and avoiding the electric knife output line. &...

Operating rules and precautions for electric aspirator electric aspirator

The aspirator is used to suck out the contents of bleeding, exudates, pus, and viscera in the operation, so as to make the operation clear and reduce the chance of contamination. The principle of the suction device is very simple, that is, the negative pressure state of the suction head can be made by a certain way, so that the air pressure will squeeze the material outside the head to the suction head, so that the end will end.

What is the good function of the hyperosteogeny therapeutic apparatus?

The potential therapy apparatus is very magical. Some people say that they can cure all diseases. Some people say that they can strengthen their health and prolong their lives. But there are also many people who worry and doubt that they are exaggerating propaganda and cheating. The electrostatic field has the function of regulating the autonomic nerve function of the human body, and can promote the local blood circulation and restore the lesion site.
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