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YNA VITIS is a biofeedback
device for the therapy of incontinence. A vaginal or anal
sensor records the behaviour of the muscles of the pelvic
floor; the patient views these signals on a display. Patients
often have difficulty in locating the muscles of the pelvic
floor and instead they activate surrounding muscles. For
this reason, stick electrodes are attached to the abdomen,
thigh and buttocks to monitor muscle activity in these
regions. |
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Familiarization mode
Before starting the training proper, users can experiment
at leisure with their muscles and develop a feel for
the position of the muscles of the pelvic floor. On
the display, the patient sees an ellipse, the size and
position of which indicate whether the correct muscles
are being trained.
By tensioning the muscles in those areas to which stick
electrodes have been attached, the patient can alter
the image.
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Training
The training consists of phases of tensioning and relaxation.
During the tensioning phase, the patient sees the same
ellipse as in the familiarization mode. Ideally, the
ellipse should become almost a vertical line, indicating
that the patient has learned to tension just the pelvic
floor. This information is also imparted through headphones
worn by the patient.
A vertical line indicates total success in training.
During the tensioning phase, the bars to the left and
right are a measure of the extent of the pelvic-floor
contraction. The phases of tensioning and relaxation
alternate throughout the fifteen-minute training period.
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Statistics
Progress during training is recorded and the results are
related to those from earlier training sessions and presented
diagrammatically. The displayed information includes the
duration of the individual training sessions, and the
muscle power and tenacity of the pelvic floor. Continuing
success during training is denoted by a rising curve.
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