12-4 Probes and Biopsy
12.1.1 Name and Function of Each Part of the Probe
The basic structures and corresponding functions of probes are basically the same. The
following will take probe 7L4s as an example to illustrate.
No. Name Function
<1> Probe head
It converts the electrical signal into ultrasound signal,
making the sound beams focus in the given direction;
meanwhile, it will receive the ultrasound signal and then
convert the received signal into electrical signal.
The lens on the surface is the acoustic lens. Apply
ultrasound gel on the acoustic lens.
<2>
Needle-guided
bracket fix tabs and
grooves
Used to mount the needle-guided bracket.
<3> Probe cable
Used to transmit electrical signals between the probe
body and connector.
<4> Probe connector
Used to connect the probe to the ultrasonic diagnostic
system.
Tips:
The probes’ structure marked <2> in the figure above may vary with the matched
needle-guided brackets.
<2>
<1>
<3>
<4>
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