Knowledge Point

What is an Ultrasound Probe?

An ultrasound probe, also known as a transducer, is a medical diagnostic device that emits ultrasound waves into a patient's body and transmits data to a computer to produce an internal image of the body, known as a sonogram. Ultrasound waves bounce off of tissue masses and boundaries in the body, and these echoes are recorded by the ultrasound probe and interpreted by the computer, which then creates the sonogram on a monitor. The ultrasound probe is generally placed directly on the patient's body and moved over the area to be viewed. Since water is a good conductor for sound waves, a water-based gel is usually placed on the patient's skin to help facilitate movement of the ultrasound waves, and patients undergoing obstetric ultrasound are usually asked to arrive for the test with a full bladder.

What is an ultrasound transducer and what does it do?

An ultrasound transducer, also called a probe, is a device that produces sound waves that bounce off body tissues and make echoes.

The transducer also receives the echoes and sends them to a computer that uses them to create an image called sonogram.

Moreover, the essential element of each ultrasound transducer is a piezoelectric crystal. It serves to generate as well as receive ultrasound waves.

The main components of a typical ultrasound transducer consist of:

1. Lens

2. Strain Relief

3. Cyrstal

4. Cable

5. Connector Housing

Basic Ultrasound Transducer Types:

1. Linear Transducers

2. Convex or curved array Transducers

3. Phased Array Transducers

4. Sector Transducers

5. Endocavity Transducers

6. 3d/4d Transducers

7. Tee Transducers