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Founded
in 1998, Dymedix is a privately held medical device company located
in Minneapolis, Minnesota. The Company has developed a full line
of reusable and disposable sensors for sleep disorder diagnostics.
These products offer the Sleep Specialist a more sensitive, accurate
and comfortable alternative to thermistors, thermocouples and air
pressure transducers. The sensors, based on polyvinylidene fluoride
film (PVDF) technology, have essentially no thermal lag and are
able to respond to temperature changes within 0.005 seconds, 200
times faster than thermocouples. DYMEDIX PVDF film sensors are capable
of detecting subtle airflow changes resulting in an improved diagnostic
capability. PVDF generates a voltage of 2.5 volts per degree Centigrade
change in temperature. The advantage of PVDF film is that the signal
(and associated environmental noise) must be reduced in amplitude,
in order to be compatible with existing polysomnographs. This attenuation
of the noise results in an improved signal-to-noise ratio when using
DYMEDIX PVDF sensors. Additionally, DYMEDIX has developed and patented
noise-cancellation circuitry which further reduces the environmental
noise often associated with other hospital equipment such as MRI,
cautery generators, r.f. ablation devices, the CAT scan and the
X-ray equipment.
DYMEDIX Solution
The DYMEDIX vision is to become the ultimate solution for sleep
diagnostic data collection. To this end, DYMEDIX has focused on
reducing the number of sensors, electrodes and wires connected to
the patient; developed sensors that improve the quality and accuracy
of the waveforms used in the diagnosis of sleep disorders; improved
infection control for both the patient and the technologist by developing
disposable sensors and electrodes; and improved patient comfort
by providing small, soft and flexible sensors, which will not disrupt
the patient’s sleep during testing.
DYMEDIX has developed, patented and received regulatory agency clearance,
to market sensors that are compatible with all major data acquisition
equipment.
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