Probes and Biopsy 13-5 
No. 
Probe 
Model 
Illustration 
17.  7LT4s 
 
For details of probe P7-3Ts, please refer to P7-3Ts Ultrasonic Transducer Operator’s 
Manual. 
 
13.1.1  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. 
 
<2> 
<1> 
<3> 
<4>