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U.S. Department of Health and Human Services

MAUDE Adverse Event Report: MEDTRONIC MED REL MEDTRONIC PUERTO RICO ACTIVA STIMULATOR, ELECTRICAL, IMPLANTED, FOR PARKINSONIAN TREMOR

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MEDTRONIC MED REL MEDTRONIC PUERTO RICO ACTIVA STIMULATOR, ELECTRICAL, IMPLANTED, FOR PARKINSONIAN TREMOR Back to Search Results
Model Number 37603
Event Type  Injury  
Manufacturer Narrative

Concomitant products: product id 37085-40, serial # (b)(4), implanted: (b)(6) 2014, product type extension; product id 3387-40, lot # 0208456401, implanted: (b)(6) 2014, product type lead. (b)(4).

 
Event Description

It was reported that the patient had unilateral lead placement to control tremor with good response initially. It had been observed that after 4 to 6 weeks, the patient experienced ¿rapid habituation¿ of the current, and their tremor returned within 4 days and it was ¿to the same extent that it was prior to the device¿ but ¿not as bad as the refractory tremor. ¿ this had reportedly been a ¿constant cycle¿ and became a concern as the patient reached 6v in bipolar mode and "bordered on" the patient experiencing a ¿capsular effect. ¿ this ¿capsular effect¿ was clarified to mean ¿voice, speech, double vision as well as a hot and cold sensation. ¿ other experiences that had increased since having the device included tremor, inbalance, headache, arm aching, ¿clammy hands¿, contracture of the hand, exhaustion from tremor and inability to hold cutlery. It was also noted that when the patient¿s device was turned off, he had a ¿severe¿ refractory tremor, far worse than it was prior to the device. This was ¿so violent¿ that it could only be turned off for a minute. There had been no falls or trauma prior to noticing this. The physician feared that it could be morphology of the disease. The reporter indicated that initial thresholding was done but electrode configuration had remained the same at a setting of 90's, 130 hz on electrode pair 0-,1+. The amplitude had been increased from 2. 2v to 6. 4 in several increments. Threshold testing had been performed again, but to no avail. All electrode and therapy impedances were normal for all testing done with the patient in a rested position, arms up and head to the side. Additionally, no error messages had been observed on either the clinician or patient programmers. The patient was admitted to the hospital for further tests and was placed on constant current mode at 4. 6a under observation. A ct scan was performed which showed ¿perfect lead placement within the proposed target. ¿ the patient had also undergone ¿some more testing¿, details of which were not available at the time of the report. The patient had however not had any ¿positive change¿ yet. Discussions about the possibility of creating a "lesion effect" with the lead were underway. The reporter stated that the implantable neurostimulator (ins) was going to be replaced. If additional information becomes available, a follow-up report will be submitted.

 
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Brand NameACTIVA
Type of DeviceSTIMULATOR, ELECTRICAL, IMPLANTED, FOR PARKINSONIAN TREMOR
Manufacturer (Section D)
MEDTRONIC MED REL MEDTRONIC PUERTO RICO
ceiba norte industrial park, r
juncos PR 00777
Manufacturer (Section G)
MEDTRONIC NEUROMODULATION
7000 central avenue ne rcw215
minneapolis MN 55432
Manufacturer Contact
diane wolf
7000 central avenue ne rcw215
minneapolis , MN 55432
7635263987
MDR Report Key4334699
Report Number3004209178-2014-24082
Device Sequence Number1
Product CodeMHY
Report Source Manufacturer
Source Type Foreign,Health Professional,Company Representative
Reporter Occupation Physician
Type of Report Initial
Report Date 11/24/2014
1 Device Was Involved in the Event
1 Patient Was Involved in the Event
Date FDA Received12/16/2014
Is This An Adverse Event Report? Yes
Is This A Product Problem Report? Yes
Device Operator Health Professional
Device EXPIRATION Date08/14/2014
Device MODEL Number37603
Device Catalogue Number37603
Was Device Available For Evaluation? No
Is The Reporter A Health Professional? Yes
Date Manufacturer Received11/24/2014
Was Device Evaluated By Manufacturer? No Answer Provided
Date Device Manufactured02/22/2013
Is The Device Single Use? Yes
Is this a Reprocessed and Reused Single-Use Device? No
Type of Device Usage Initial

Patient TREATMENT DATA
Date Received: 12/16/2014 Patient Sequence Number: 1
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