—
4
—
protective
cover
Biofeedback
probe
USB data cable
wireless charging
cradle
Figure 1.1 Composition of PelPal device
1.3 Biofeedback probe
The biofeedback probe consists of a handle with sensors. The probe sensors are inserted in the
subject's anorectal area to detect the pressure of the rectum and anal sphincter when the subject
is performing a simulated defecation or clamping the anus, as shown in Figure 1.2.
Probe sensors
Probe indicator
Hall switch
Probe handle
Figure 1.2 Biofeedback Probe
1.4 Wireless charging cradle
The wireless charging cradle is used for storing and managing the probe charging before and after
