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Structural Analysis of Sonography Probe

1. Overview sonography probe

The sonography probe is an important part of ultrasonic testing, and it is also an important structure that affects the test results. As a precision instrument, sonography probes are used frequently in clinical ultrasound examinations and directly contact human skin and mucous membranes. Therefore, it is necessary to understand the structure of the sonography probe and protect it from damage as much as possible.

Stork Healthcare is one of the top handheld ultrasound probe companies in China that provides the convex array probe, the linear US probe, etc.

2. The structure of the ultrasound probe

Sonography probes are divided into in-vivo probes and in-vitro probes according to the application method. Among them, in vivo probes include intravascular probes, female probes, rectal probes and transesophageal probes. Extracorporeal probes can be divided into cardiac probes, abdominal probes and thyroid probes. The sonography probe is a precision instrument, and the parts from the outside to the inside: acoustic lens, matching layer, wafer, sound absorption block, support frame and sound headshell. Among them, the chip is the core part, which is a high-energy sensor, which has the function of transmitting and receiving sound waves. The acoustic lens concentrates the light waves emitted by the wafer, which can improve the ultrasonic resolution. If the outermost acoustic lens is damaged or rubbed hard, the penetrating power of the acoustic lens will decrease, leading to its damage and affecting the diagnosis result.

Because of the particularity of the material of the sonography probe, most of the sonography probes cannot be disinfected by ordinary disinfection methods such as ultraviolet radiation, 75% alcohol, aldehydes, oxidants, etc. If the disinfection method is improper, it will also affect the diagnosis results, and may even damage the service life of the probe. The structure of the sonography probe is not watertight. Once liquid enters the sonography probe, it may cause a short circuit of the internal materials, which may cause the diagnostic system to fail to work properly. Therefore, no liquid is allowed to submerge the seam line under the sonography probe.

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