Medical ultrasound scanner, also known as ultrasound diagnostic instrument, is a medical device that uses high-frequency sound waves to non-invasive detect the internal structure of the human body. Since the early 1980s, medical ultrasound scanners have played an important role in medical imaging diagnosis, especially in fields such as prenatal examination of pregnant women, cardiovascular disease, and tumor detection, becoming indispensable tools.

2、 The principle of medical ultrasound scanner

Basic Principles

The core principle of medical ultrasound scanners is to use specific frequency sound waves (usually in the range of 2MHz to 10MHz) to non-invasive detect human tissues. These sound waves will reflect back specific signals when encountering different organizational structures within the human body. These reflected signals are captured by the receiver and converted into visible images through computer processing. By analyzing these images, doctors can intuitively understand the internal structure and morphology of the human body for diagnosis.

technological development 

Since the advent of medical ultrasound scanners, their technology has gone through multiple stages of development. From the initial A-type scanner to advanced technologies such as B-type, M-type, color blood flow imaging, 3D and 4D, medical ultrasound scanners have significantly improved in image quality, resolution, and diagnostic range.

3、 The Technology of Medical Ultrasonic Scanner

Color blood flow imaging

Medical ultrasound scanners can display the blood flow inside blood vessels through color blood flow imaging technology. This technology can help doctors better understand the blood flow status of diseased tissues and organs, providing more information for diagnosis.

3D and 4D imaging

Medical ultrasound scanners have evolved from basic two-dimensional imaging to three-dimensional and four-dimensional imaging. 3D imaging can provide three-dimensional images to help doctors more accurately assess the condition. On the other hand, four-dimensional imaging can increase the time dimension on the basis of three-dimensional imaging, presenting dynamic three-dimensional images and providing more information for doctors' diagnosis.

High frequency and ultra-high frequency technology

With the advancement of technology, the frequency of medical ultrasound scanners has increased from basic 2MHz to 10MHz to ultra-high frequency, such as 50MHz or even higher. The advantage of high-frequency sound waves is that they can provide higher image resolution, allowing doctors to observe small lesions more clearly.

Artificial intelligence assisted diagnosis

In recent years, the application of artificial intelligence technology has also begun to be applied in medical ultrasound scanners. Through technologies such as deep learning and pattern recognition, medical ultrasound scanners can automatically identify lesion areas and even provide preliminary diagnostic opinions. The application of this technology greatly improves diagnostic efficiency and reduces the burden on doctors.

4、 The Application of Medical Ultrasonic Scanner

Prenatal examination of pregnant women

Medical ultrasound scanners play a very important role in prenatal examination of pregnant women. Through ultrasound scanning, the morphology of the fetus can be clearly observed, and various physiological indicators of the fetus, such as fetal position, head circumference, abdominal circumference, limb length, etc., can be measured to confirm the health status of the fetus. At the same time, 3D and 4D ultrasound technology can present fetal images in a more three-dimensional and clear manner, allowing doctors to more accurately assess the condition of the fetus.

Cardiovascular and cerebrovascular diseases

Medical ultrasound scanners can clearly display the structure and function of the heart, which is of great value for the diagnosis of cardiovascular and cerebrovascular diseases. For example, by measuring the thickness, movement status, valve function, etc. of the heart, it is possible to diagnose cardiomyopathy, valvular heart disease, etc. Meanwhile, ultrasound technology can also display lesions such as vascular stenosis and arteriosclerosis.

Tumor detection

Medical ultrasound scanners can detect tumors in the human body, such as liver tumors, breast tumors, thyroid tumors, etc. By observing information such as the size, shape, and location of tumors, reliable diagnostic evidence can be provided for doctors.

Other applications

Medical ultrasound scanners are also widely used in fields such as brain diseases, musculoskeletal system diseases, and digestive system diseases, providing important support for doctors' diagnosis. For example, in the diagnosis of brain diseases, medical ultrasound scanners can display the condition of cerebral blood vessels, helping doctors determine whether there is a cerebrovascular disease. In the diagnosis of musculoskeletal system diseases, medical ultrasound scanners can display damage to tissues such as muscles and ligaments, providing a basis for doctors to develop treatment plans. In the diagnosis of digestive system diseases, medical ultrasound scanners can detect the gastrointestinal tract through endoscopy and other methods, helping doctors determine the nature and degree of gastrointestinal diseases.

5、 Conclusion

In summary, medical ultrasound scanners, as a non-invasive, fast, and accurate diagnostic tool, are playing an increasingly important role in the field of medical imaging diagnosis. With the continuous development of technology, the technology of medical ultrasound scanners will continue to progress, bringing greater contributions to the cause of human health.