NC‐stat DPNCheck

NC‐stat DPNCheck System

NC‐stat DPNCheck Reference Guide Rev C

Reference Guide

2 Pages

Troubleshooting Display  Light Description  Possible Causes  Solution  • Incorrect limb setting on device.  1. Ensure that the limb setting on the device is correct. 2. If incorrect, re-select the limb on the device by pressing the button down for 1-2 seconds until correct limb is selected (l = left; r = right). 3. Retest.  Lb  Data quality issue  Pn  Data quality issue  • Adequate signal could not be recorded.  1. Confirm placement and retest.  Pr  Stimulation issue  • Insufficient gel on probes. • Poor contact of probes with skin. • Inadequate skin preparation in probe contact area. • Probe movement during test. • Gel smeared between the probes.  1. Re-do skin preparation and device 		placement. 		• Clean probes and re-apply gel. 		• Vigorously scrub the ankle area. 		• Reposition the device on the patient with 		 firm pressure to both probes and on biosensor. 2. Retest with constant force to limit device 		movement during test.  Sn  Biosensor disconnected during test  • Biosensor disconnected during test.  1. Re-insert biosensor with tail traces 		 		facing outward. 		• Entire biosensor tail must be inserted. 2. If problem persists, replace biosensor.  Sn  Data quality issue  • Biosensor backing not removed. • Incomplete biosensor contact. • Skin in biosensor contact area inadequately prepared.  1. Remove biosensor backing and retest. • Check for good contact on both sides of the foam. 2. If problem persists, re-prepare skin and 		replace with new biosensor. 3. Retest.  Ec  Data quality issue  • Signal contamination due to patient movement or excessive muscle contraction.  1. Confirm that the patient is relaxing leg muscles. 2. Reposition patient if necessary. 3. Retest.  Ec oC  Data quality issue  • Biosensor backing not removed.  1. Remove biosensor backing and retest.  Patient ankle cold  • Temperature detector field of view obstructed. • Patient’s ankle temperature <23°C.  1. Ensure that tester’s hand does not obstruct 		temperature detector. 2. Warm patient’s lower leg by: 		• putting a sock on and elevating the leg. 			 - If unsuccessful: º instruct the patient to put on their shoes and socks then walk around for 1-2 minutes if able. 		OR the patient’s lower leg and ankle 		 º wrap  with a blanket or heating pad. 		OR rub the patient’s lower ankle. 		 º briskly  (Note: Although it is not an ideal approach, this technique can be used if the tester is in a hurry.) 3. Retest.  Lo Hd  Low battery  • Battery is low.  1. Replace battery.  Device hardware issue  • Device hardware issue.  1. Contact Customer Service.  Ub  Excessive biosensor reuse detected. Device is disabled  • Excessive biosensor reuse detected. • Excessive repeat testing.  1. Contact Customer Service.  NC-stat DPNCheck ®  Reference Guide  • Device Use • Testing Protocol • Test Results • Troubleshooting  Always remember to perform the test away from electrical equipment that may cause interference. If you continue to experience issues, please call Customer Service at (888) 786-7287.  NEUROMetrix®  NEUROMetrix®  62 Fourth Avenue, Waltham, MA 02451 (888) 786-7287 www.neurometrix.com  © 2012 NeuroMetrix, Inc. All Rights Reserved. PN2203591 Rev. C  ™
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