Probes and Biopsy 13-29
d) Select a proper guiding block and push it into the groove above the angle
block, and clamp it tightly.
e) Screw the nut of the block to secure the block.
f) Insert a biopsy needle with the same specification as that of the guiding block
into the hole of the guiding block.
z Plastic needle-guided bracket
a) Put on the sterile probe sheath.
b) Hold the probe by one hand, select the proper needle-guided bracket, and
hold it with the other hand. Align the narrow end tab of the needle-guided
bracket with the groove of the probe, then push the needle-guided bracket
forward, making the tabs and the grooves of the needle-guided bracket to
match with the grooves and tabs of the probe.
c) Check manually to confirm that the needle-guided bracket is securely
installed on the probe.
d) Select a proper guiding block and push it into the groove above the angle
block, and clamp it tightly.
e) Insert a biopsy needle with the same specification as that of the guiding block
into the hole of the guiding block.