13-22 Probes and Biopsy 
<7>  Guiding block 
Used for installing biopsy needle; there are five 
specifications of guiding blocks for different biopsy 
needles. 
<8> 
Specification of 
guiding block (14G) 
Matched with the corresponding biopsy needle (14G) 
<9> 
Guiding hole of the 
biopsy needle 
Used for installing the biopsy needle. 
<10> 
Pinch nut of needle-
guided bracket 
Used for locking the needle-guided bracket and the 
transducer. 
  Plastic/ needle detachable: 
   
<1> 
Support of needle-
guided bracket 
Used for installing the needle-guided bracket on the transducer   
<2> 
Angle block 
Used for determining the angle of the biopsy; there are three 
specifications of blocks of angle   
<3> 
Guiding block 
Used for installing biopsy needle; there are five specifications of 
guiding blocks for different biopsy needles   
<4> 
needle-guided bracket 
Respectively matched with the tab and groove of the transducer   
<5> 
block (13G) 
Matched with the corresponding biopsy needle (13G) 
Needle guide hole    Used for installing the biopsy needle 
<7> 
block (45°) 
Corresponding to the size of the biopsy angle (45°)