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MalfunctionGXZ

NIM® EMG ELECTRODE

Received Mar 15, 2023 · Event occurred Feb 14, 2023

Report 9612501-2023-00440 · MDR key 16542729

Device

Generic name

Electrode, Needle

Manufacturer

Covidien Llc

Model number

8227411

Catalog number

8227411

Lot number

0224419206

Product problems

  • Unable to Obtain Readings
  • Unable to Obtain Readings

Patient

63 YR · Male

  • No Clinical Signs, Symptoms or Conditions
  • No Clinical Signs, Symptoms or Conditions

Narrative

Additional Manufacturer Narrative

H3: PRODUCT ANALYSIS OF THE DEVICE FOUND THAT VISUALLY, THE CARTON WAS DAMAGED WHEN RETURNED. THE CARTON CONTAINED INSERTS, GROUND/STIM ELECTRODES, AND SUBDERMAL ELECTRODES. THE ELECTRODES WERE TANGLED ALL TOGETHER, AND NEEDLES WERE CUT OFF WHEN RETURNED. EACH ELECTRODE WAS STRIP OFF (A SMALL PORTION OF ELECTRODE WAS REMOVED WHERE THE NEEDLE SUPPOSED TO BE) TO CONNECT TO MULTIMETER FOR READING. THE RESISTANCE OF THE GREEN GROUND AND RED/WHITE STIM ELECTRODES FROM END TO END SHALL BE LESS THAN 2.5 OHMS AND THE ACTUAL MEASUREMENTS WERE RED/WHITE 0.7 OHMS AND GREEN 0.8 OHMS (WITHIN SPECIFICATION). ELECTRICALLY, THE RESISTANCE OF THE RED, BLUE, ORANGE, AND VIOLET ELECTRODES FROM END TO END SHALL BE LESS THAN 2.0 OHMS AND THE ACTUAL MEASUREMENTS BETWEEN BOTH POLES WERE 1.3 AND 1.4 OHMS (RED), 1.2 AND 1.4 OHMS (BLUE), 1.3 AND 1.4 OHMS (ORANGE), 1.2 AND 1.3 OHMS (PURPLE). ALL THE ELECTRODES WERE WITHIN THE SPECIFICATION. IN THE RETURNED CONDITION, THERE WAS NO OUT OF SPECIFICATION CONDITION THAT WAS RELATED TO THE COMPLAINT. H6: INITIALLY SUBMITTED CODE FDR C21, FDM B21, FDC D16 ARE NO LONGER VALID NOW. MEDTRONIC IS SUBMITTING THIS REPORT TO COMPLY WITH FDA REPORTING REGULATIONS UNDER 21 CFR PARTS 4 AND 803. THIS REPORT IS BASED UPON INFORMATION OBTAINED BY MEDTRONIC, WHICH THE COMPANY MAY NOT HAVE BEEN ABLE TO FULLY INVESTIGATE OR VERIFY PRIOR TO THE DATE THE REPORT WAS REQUIRED BY THE FDA. MEDTRONIC HAS MADE REASONABLE EFFORTS TO OBTAIN MORE COMPLETE INFORMATION AND HAS PROVIDED AS MUCH RELEVANT INFORMATION AS IS AVAILABLE TO THE COMPANY AS OF THE SUBMISSION DATE OF THIS REPORT. THIS REPORT DOES NOT CONSTITUTE AN ADMISSION OR A CONCLUSION BY FDA, MEDTRONIC, OR ITS EMPLOYEES THAT THE DEVICE, MEDTRONIC, OR ITS EMPLOYEE CAUSED OR CONTRIBUTED TO THE EVENT DESCRIBED IN THE REPORT. IN PARTICULAR, THIS REPORT DOES NOT CONSTITUTE AN ADMISSION BY ANYONE THAT THE PRODUCT DESCRIBED IN THIS REPORT HAS ANY ¿DEFECTS¿ OR HAS ¿MALFUNCTIONED¿. THESE WORDS ARE INCLUDED IN THE FDA 3500A FORM AND ARE FIXED ITEMS FOR SELECTION CREATED BY THE FDA TO CATEGORIZE THE TYPE OF EVENT SOLELY FOR THE PURPOSE OF REGULATORY REPORTING. MEDTRONIC OBJECTS TO THE USE OF THESE WORDS AND OTHERS LIKE THEM BECAUSE OF THE LACK OF DEFINITION AND THE CONNOTATIONS IMPLIED BY THESE TERMS. THIS STATEMENT SHOULD BE INCLUDED WITH ANY INFORMATION OR REPORT DISCLOSED TO THE PUBLIC UNDER THE FREEDOM OF INFORMATION ACT. ANY REQUIRED FIELDS THAT ARE UNPOPULATED ARE BLANK BECAUSE THE INFORMATION IS CURRENTLY UNKNOWN OR UNAVAILABLE. A GOOD FAITH EFFORT WILL BE MADE TO OBTAIN THE APPLICABLE INFORMATION RELEVANT TO THE REPORT. IF INFORMATION IS PROVIDED IN THE FUTURE, A SUPPLEMENTAL REPORT WILL BE ISSUED.

Description of Event or Problem

IT WAS REPORTED THAT ELECTRODE CANNOT BE DETECTED. EVENT OCCURRED INTRA OPERATIVE. THERE IS NO PATIENT INJURY.

Additional Manufacturer Narrative

MEDTRONIC IS SUBMITTING THIS REPORT TO COMPLY WITH FDA REPORTING REGULATIONS UNDER 21 CFR PARTS 4 AND 803. THIS REPORT IS BASED UPON INFORMATION OBTAINED BY MEDTRONIC, WHICH THE COMPANY MAY NOT HAVE BEEN ABLE TO FULLY INVESTIGATE OR VERIFY PRIOR TO THE DATE THE REPORT WAS REQUIRED BY THE FDA. MEDTRONIC HAS MADE REASONABLE EFFORTS TO OBTAIN MORE COMPLETE INFORMATION AND HAS PROVIDED AS MUCH RELEVANT INFORMATION AS IS AVAILABLE TO THE COMPANY AS OF THE SUBMISSION DATE OF THIS REPORT. THIS REPORT DOES NOT CONSTITUTE AN ADMISSION OR A CONCLUSION BY FDA, MEDTRONIC, OR ITS EMPLOYEES THAT THE DEVICE, MEDTRONIC, OR ITS EMPLOYEE CAUSED OR CONTRIBUTED TO THE EVENT DESCRIBED IN THE REPORT. IN PARTICULAR, THIS REPORT DOES NOT CONSTITUTE AN ADMISSION BY ANYONE THAT THE PRODUCT DESCRIBED IN THIS REPORT HAS ANY ¿DEFECTS¿ OR HAS ¿MALFUNCTIONED¿. THESE WORDS ARE INCLUDED IN THE FDA 3500A FORM AND ARE FIXED ITEMS FOR SELECTION CREATED BY THE FDA TO CATEGORIZE THE TYPE OF EVENT SOLELY FOR THE PURPOSE OF REGULATORY REPORTING. MEDTRONIC OBJECTS TO THE USE OF THESE WORDS AND OTHERS LIKE THEM BECAUSE OF THE LACK OF DEFINITION AND THE CONNOTATIONS IMPLIED BY THESE TERMS. THIS STATEMENT SHOULD BE INCLUDED WITH ANY INFORMATION OR REPORT DISCLOSED TO THE PUBLIC UNDER THE FREEDOM OF INFORMATION ACT. ANY REQUIRED FIELDS THAT ARE UNPOPULATED ARE BLANK BECAUSE THE INFORMATION IS CURRENTLY UNKNOWN OR UNAVAILABLE. A GOOD FAITH EFFORT WILL BE MADE TO OBTAIN THE APPLICABLE INFORMATION RELEVANT TO THE REPORT. IF INFORMATION IS PROVIDED IN THE FUTURE, A SUPPLEMENTAL REPORT WILL BE ISSUED.

Description of Event or Problem

ADDITIONAL INFORMATION RECEIVED AFTER FOLLOW UP THAT ELECTRODE NOT DETECTED (ELECTRODE CHECK FAILURE).

Description of Event or Problem

IT WAS REPORTED THAT ELECTRODE CANNOT BE DETECTED. EVENT OCCURRED INTRA OPERATIVE. THERE IS NO PATIENT INJURY.

Additional Manufacturer Narrative

PRODUCT ANALYSIS OF DEVICE IS IN PROGRESS, ANALYSIS RESULTS OF THE DEVICE WILL BE SUBMITTED IN SUPPLEMENTAL REPORT. MEDTRONIC IS SUBMITTING THIS REPORT TO COMPLY WITH FDA REPORTING REGULATIONS UNDER 21 CFR PARTS 4 AND 803. THIS REPORT IS BASED UPON INFORMATION OBTAINED BY MEDTRONIC, WHICH THE COMPANY MAY NOT HAVE BEEN ABLE TO FULLY INVESTIGATE OR VERIFY PRIOR TO THE DATE THE REPORT WAS REQUIRED BY THE FDA. MEDTRONIC HAS MADE REASONABLE EFFORTS TO OBTAIN MORE COMPLETE INFORMATION AND HAS PROVIDED AS MUCH RELEVANT INFORMATION AS IS AVAILABLE TO THE COMPANY AS OF THE SUBMISSION DATE OF THIS REPORT. THIS REPORT DOES NOT CONSTITUTE AN ADMISSION OR A CONCLUSION BY FDA, MEDTRONIC, OR ITS EMPLOYEES THAT THE DEVICE, MEDTRONIC, OR ITS EMPLOYEE CAUSED OR CONTRIBUTED TO THE EVENT DESCRIBED IN THE REPORT. IN PARTICULAR, THIS REPORT DOES NOT CONSTITUTE AN ADMISSION BY ANYONE THAT THE PRODUCT DESCRIBED IN THIS REPORT HAS ANY ¿DEFECTS¿ OR HAS ¿MALFUNCTIONED¿. THESE WORDS ARE INCLUDED IN THE FDA 3500A FORM AND ARE FIXED ITEMS FOR SELECTION CREATED BY THE FDA TO CATEGORIZE THE TYPE OF EVENT SOLELY FOR THE PURPOSE OF REGULATORY REPORTING. MEDTRONIC OBJECTS TO THE USE OF THESE WORDS AND OTHERS LIKE THEM BECAUSE OF THE LACK OF DEFINITION AND THE CONNOTATIONS IMPLIED BY THESE TERMS. THIS STATEMENT SHOULD BE INCLUDED WITH ANY INFORMATION OR REPORT DISCLOSED TO THE PUBLIC UNDER THE FREEDOM OF INFORMATION ACT. ANY REQUIRED FIELDS THAT ARE UNPOPULATED ARE BLANK BECAUSE THE INFORMATION IS CURRENTLY UNKNOWN OR UNAVAILABLE. A GOOD FAITH EFFORT WILL BE MADE TO OBTAIN THE APPLICABLE INFORMATION RELEVANT TO THE REPORT. IF INFORMATION IS PROVIDED IN THE FUTURE, A SUPPLEMENTAL REPORT WILL BE ISSUED.