Dynatron® 850plus & 550plus
General & Technical Information
120
Additional Technical Information Available (for Technicians Only)
Dynatronics will make available on request circuit block diagrams, component part lists,
descriptions, calibration instructions or other information which will assist the user’s
appropriately qualified technical personnel to repair those parts of the equipment which are
designated by Dynatronics as repairable and which will not violate protection of Dynatronics’
proprietary information.
FDA Compliant Electrodes and Lead Wires
Poly Electrode with Wire Connector
P ALS and P ALS PLUS
Female connector (no pin)
Pigtail lead wire from patient
Patient Cable (from device)
Patient cable
(from device)
Female connector (no pin)
Pigtail lead wire (from patient)
about 3-5 inches in length
POL Y ELECTRODE WITH SNAP ADAPTER
Female connector (no pin)
Patient Cable (from device)
Electrode (from patient)
Poly Electrode with Snap Connector
Female connector (no pin)
Patient cable
(from device)
Electrode (from patient)
Carbon Electrode Inset Connector
P ALS and P ALS PLUS
Female connector (no pin)
Pigtail lead wire from patient
Patient Cable (from device)
Female connector (no pin)
Patient cable
(from device)
The FDA has issued a Public Health Advisory regarding “Unsafe Electrode Lead Wires and
Patient Cables Used With Medical Devices.” This warning pertains specifically to lead wires
with unprotected pins; that is, leads with one end connected to the patient and the other end
having pins that can be inserted directly to a power source such as a wall AC outlet. The
diagrams on this page illustrate the compliance of configurations using Dynatronics
electrodes and lead wires.
Neither the Poly electrodes with snap adapters nor carbon electrodes have lead wires or pins
that could allow direct connection to a power source. Polys electrodes with wire connector
have a short pigtail (3 to 5 inches in length); the pigtails have female connectors. Since all
Dynatronics electrodes have either no lead wire at all or very short pigtail lead wires, it is
impossible to connect an electrode directly to an improper power source when the electrode
alone is attached to the patient.
Lead wire ( from patient
only when an electrode
LEAD WIRE FROM P A TIENT T O DEVICE
Electrode attached to patient
Lead Wire From Patient to Device
Stereo connector to device - requires a stereo
jack. Cannot be inserted into a wall outlet.
Lead wire (from patient only
when an electrode is attached)
Electrode attached to patient
Tip not connected to patient.
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