MAUDE Adverse Event Report: NIHON KOHDEN CORPORATION ZM-521PA; TRANSMITTER

Model Number ZM-531PA

Device Problems Overheating of Device (1437); Smoking (1585); Temperature Problem (3022)

Patient Problems No Consequences Or Impact To Patient (2199); No Information (3190)

Event Date 02/21/2017

Event Type  malfunction  

Manufacturer Narrative

The customer reports that the batteries in the transmitter over heated and started to slightly smoke.The batteries were removed and thrown away.The device was not used on the patient.No patient harm was reported.There is some case warping from the heated battery.The unit has no service history besides cleaning after each use.Since the incident, new batteries have been used in the device.The device turns on and functions without issue.As a precaution, nihon kohden advised the customer to send the unit in for evaluation.The device is pending evaluation.Nihon kohden continues to investigate the reported event.Nihon kohden will submit a supplemental report in accordance with 21 cfr section 803.56 when additional information becomes available.

Event Description

The customer reports that the batteries in the transmitter over heated and started to slightly smoke.

Manufacturer Narrative

The customer reports that the batteries in the transmitter over heated and started to slightly smoke.The batteries were removed and thrown away.The device was not used on the patient.No patient harm was reported.There is some case warping from the heated battery.The unit has no service history besides cleaning after each use.Since the incident, new batteries have been used in the device.The device turns on and functions without issue.Unit was returned for evaluation.The customer batteries required for this investigation were not returned.New batteries were inserted into the unit and heating could not be duplicated.In addition, the battery door hinge was broken and the battery door was damaged.Inspection of the negative contacts shows resin melting at the spring which per our investigation on a similar incident is indicative of improper battery insertion.Nihon kohden will submit a supplemental report in accordance with 21 cfr section 803.56 if additional information becomes available.

• Brand Name: ZM-521PA
• Type of Device: TRANSMITTER
• Manufacturer (Section D): NIHON KOHDEN CORPORATION; 1-31-4 nishiochia, shinjuku-ku; attn: shama mooman; tokyo, japan 161-8 560; JA 161-8560
• Manufacturer (Section G): NIHON KOHDEN TOMIOKA CORPORATION; 1-1 tajino; attn: shama mooman; tomioka city, gunma 370-2 314; JA 370-2314
• Manufacturer Contact: shama mooman ; safety mgmt dept, quality mgmt; seibu bldg 2, 4th floor 1-11-2; seibu bldg 2, 4th floor 1-11-2, saitama 359-8-580 ; JA 359-8580 ; 2687488
• MDR Report Key: 6430135
• MDR Text Key: 71004688
• Report Number: 8030229-2017-00081
• Device Sequence Number: 1
• Product Code: DRT
• UDI-Device Identifier: 04931921115084
• UDI-Public: 4931921115084
• Combination Product (y/n): N
• Reporter Country Code: US
• PMA/PMN Number: K043517
• Number of Events Reported: 1
• Summary Report (Y/N): N
• Report Source: Manufacturer
• Source Type: user facility
• Reporter Occupation: Biomedical Engineer
• Type of Report: Initial,Followup
• Report Date: 03/23/2017,02/22/2017

1 Device was Involved in the Event

1 Patient was Involved in the Event

• Is this an Adverse Event Report?: No
• Is this a Product Problem Report?: Yes
• Device Operator: Health Professional
• Device Model Number: ZM-531PA
• Device Catalogue Number: ZM-531PA
• Was Device Available for Evaluation?: Device Returned to Manufacturer
• Date Returned to Manufacturer: 03/07/2017
• Is the Reporter a Health Professional?: Yes
• Was the Report Sent to FDA?: Yes
• Date Report Sent to FDA: 03/23/2017
• Distributor Facility Aware Date: 02/22/2017
• Device Age: 31 MO
• Event Location: Hospital
• Date Report to Manufacturer: 03/23/2017
• Initial Date Manufacturer Received: 03/23/2017
• Initial Date FDA Received: 03/23/2017
• Supplement Dates Manufacturer Received: Not provided
• Supplement Dates FDA Received: 04/22/2017
• Was Device Evaluated by Manufacturer?: Yes
• Date Device Manufactured: 07/04/2014
• Is the Device Single Use?: No
• Is This a Reprocessed and Reused Single-Use Device?: No
• Type of Device Usage: Reuse
• Patient Sequence Number: 1