On (b)(6) 2017 - we have requested the device be returned to the manufacturer.To date, we have not received the device.Manufacturers narrative: testing was not possible as returned product was not working on receipt.Visual inspection was done and a summary was provided below.Visual inspection: without a full understanding or analysis of the use site, there are a number of conditions that are obvious from the returned sample and the complaint.A copy of the ib is included and the points discussed highlighted.1 - the heating pad was used in a folded condition.We state is the instruction booklet (ib) that the heating pad is to be "draped" over the part of the body to be treated.The heating pad is not to be folded.A) when the heating pad is folded, the internal wires can cross and are then not controlled by the thermostat.The area that the wire cross can get excessively hot when used for long periods of time.B) this is why we recommend a 20 min use time and to check frequently under pad for overheat indications.2 - unit was used under covers.If she was laying in bed, with the pad on top of her legs and the sheets and her legs got burned, it would imply the heating pad was between her legs and the comforter (and sheets).Using the heating pad under covers increases the chance of hot spots when using it in a folded condition.
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