MovDisordV3, Ncbi, Merge, bibRecord, 001110

Sudden failure of dual channel pulse generators.

Identifieur interne : 001110 ( Ncbi/Merge ); précédent : 001109; suivant : 001111

Sudden failure of dual channel pulse generators.

Auteurs : François Alesch [Autriche]

Source :

Movement disorders : official journal of the Movement Disorder Society [ 0885-3185 ] ; 2005.

RBID : pubmed:15580627

English descriptors

KwdEn :
- Deep Brain Stimulation (instrumentation), Deep Brain Stimulation (methods), Electric Power Supplies, Electrodes, Implanted, Equipment Design, Equipment Failure, Equipment Failure Analysis, Follow-Up Studies, Humans, Parkinson Disease (therapy), Subthalamic Nucleus (radiation effects).
MESH :
- instrumentation : Deep Brain Stimulation.
- methods : Deep Brain Stimulation.
- radiation effects : Subthalamic Nucleus.
- therapy : Parkinson Disease.
- Electric Power Supplies, Electrodes, Implanted, Equipment Design, Equipment Failure, Equipment Failure Analysis, Follow-Up Studies, Humans.

Abstract

We report a series of four sudden hardware failures in dual channel pulse generators implanted for chronic stimulation of the subthalamic nucleus in the treatment of Parkinson's disease. In all cases, a sudden and severe deterioration of the patient's neurological condition occurred with symptoms similar to those present before surgery. In all cases, destructive analysis of the generator revealed a fracture of the wire bonds connecting the battery to the hybrid (electronic) part of the pulse generator. This fracture led to repeated Power On Resets, bringing the parameter settings back to default (factory settings). As a cause, we propose that relative movements between the hybrid and the battery led to low cycle fatigue fractures due to insufficient stiffness of the device. That three of four failures occurred when the implant was in the infracostal region makes it likely that the fractures depend on the mechanical stress applied to the device. The efficacy of the therapy resumed immediately after device replacement. As a corrective measure, the manufacturer has added epoxy between both components, increasing significantly the stiffness of the device.

DOI: 10.1002/mds.20354
PubMed: 15580627

Links toward previous steps (curation, corpus...)

to stream PubMed, to step Corpus: 003191
to stream PubMed, to step Curation: 003191
to stream PubMed, to step Checkpoint: 002F49

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pubmed:15580627

Le document en format XML

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<author><name sortKey="Alesch, Francois" sort="Alesch, Francois" uniqKey="Alesch F" first="François" last="Alesch">François Alesch</name>
<affiliation wicri:level="3"><nlm:affiliation>Neurosurgical Department, Medical University of Vienna, Vienna, Austria. francois.alesch@meduniwien.ac.at</nlm:affiliation>
<country xml:lang="fr">Autriche</country>
<wicri:regionArea>Neurosurgical Department, Medical University of Vienna, Vienna</wicri:regionArea>
<placeName><settlement type="city">Vienne (Autriche)</settlement>
<region nuts="2" type="province">Vienne (Autriche)</region>
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<profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Deep Brain Stimulation (instrumentation)</term>
<term>Deep Brain Stimulation (methods)</term>
<term>Electric Power Supplies</term>
<term>Electrodes, Implanted</term>
<term>Equipment Design</term>
<term>Equipment Failure</term>
<term>Equipment Failure Analysis</term>
<term>Follow-Up Studies</term>
<term>Humans</term>
<term>Parkinson Disease (therapy)</term>
<term>Subthalamic Nucleus (radiation effects)</term>
</keywords>
<keywords scheme="MESH" qualifier="instrumentation" xml:lang="en"><term>Deep Brain Stimulation</term>
</keywords>
<keywords scheme="MESH" qualifier="methods" xml:lang="en"><term>Deep Brain Stimulation</term>
</keywords>
<keywords scheme="MESH" qualifier="radiation effects" xml:lang="en"><term>Subthalamic Nucleus</term>
</keywords>
<keywords scheme="MESH" qualifier="therapy" xml:lang="en"><term>Parkinson Disease</term>
</keywords>
<keywords scheme="MESH" xml:lang="en"><term>Electric Power Supplies</term>
<term>Electrodes, Implanted</term>
<term>Equipment Design</term>
<term>Equipment Failure</term>
<term>Equipment Failure Analysis</term>
<term>Follow-Up Studies</term>
<term>Humans</term>
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<front><div type="abstract" xml:lang="en">We report a series of four sudden hardware failures in dual channel pulse generators implanted for chronic stimulation of the subthalamic nucleus in the treatment of Parkinson's disease. In all cases, a sudden and severe deterioration of the patient's neurological condition occurred with symptoms similar to those present before surgery. In all cases, destructive analysis of the generator revealed a fracture of the wire bonds connecting the battery to the hybrid (electronic) part of the pulse generator. This fracture led to repeated Power On Resets, bringing the parameter settings back to default (factory settings). As a cause, we propose that relative movements between the hybrid and the battery led to low cycle fatigue fractures due to insufficient stiffness of the device. That three of four failures occurred when the implant was in the infracostal region makes it likely that the fractures depend on the mechanical stress applied to the device. The efficacy of the therapy resumed immediately after device replacement. As a corrective measure, the manufacturer has added epoxy between both components, increasing significantly the stiffness of the device.</div>
</front>
</TEI>
<pubmed><MedlineCitation Owner="NLM" Status="MEDLINE"><PMID Version="1">15580627</PMID>
<DateCreated><Year>2005</Year>
<Month>01</Month>
<Day>24</Day>
</DateCreated>
<DateCompleted><Year>2005</Year>
<Month>05</Month>
<Day>09</Day>
</DateCompleted>
<DateRevised><Year>2006</Year>
<Month>11</Month>
<Day>15</Day>
</DateRevised>
<Article PubModel="Print"><Journal><ISSN IssnType="Print">0885-3185</ISSN>
<JournalIssue CitedMedium="Print"><Volume>20</Volume>
<Issue>1</Issue>
<PubDate><Year>2005</Year>
<Month>Jan</Month>
</PubDate>
</JournalIssue>
<Title>Movement disorders : official journal of the Movement Disorder Society</Title>
<ISOAbbreviation>Mov. Disord.</ISOAbbreviation>
</Journal>
<ArticleTitle>Sudden failure of dual channel pulse generators.</ArticleTitle>
<Pagination><MedlinePgn>64-6; discussion 66</MedlinePgn>
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<Abstract><AbstractText>We report a series of four sudden hardware failures in dual channel pulse generators implanted for chronic stimulation of the subthalamic nucleus in the treatment of Parkinson's disease. In all cases, a sudden and severe deterioration of the patient's neurological condition occurred with symptoms similar to those present before surgery. In all cases, destructive analysis of the generator revealed a fracture of the wire bonds connecting the battery to the hybrid (electronic) part of the pulse generator. This fracture led to repeated Power On Resets, bringing the parameter settings back to default (factory settings). As a cause, we propose that relative movements between the hybrid and the battery led to low cycle fatigue fractures due to insufficient stiffness of the device. That three of four failures occurred when the implant was in the infracostal region makes it likely that the fractures depend on the mechanical stress applied to the device. The efficacy of the therapy resumed immediately after device replacement. As a corrective measure, the manufacturer has added epoxy between both components, increasing significantly the stiffness of the device.</AbstractText>
<CopyrightInformation>(c) 2004 Movement Disorder Society.</CopyrightInformation>
</Abstract>
<AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Alesch</LastName>
<ForeName>François</ForeName>
<Initials>F</Initials>
<AffiliationInfo><Affiliation>Neurosurgical Department, Medical University of Vienna, Vienna, Austria. francois.alesch@meduniwien.ac.at</Affiliation>
</AffiliationInfo>
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<Language>eng</Language>
<PublicationTypeList><PublicationType UI="D003160">Comparative Study</PublicationType>
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<MedlineJournalInfo><Country>United States</Country>
<MedlineTA>Mov Disord</MedlineTA>
<NlmUniqueID>8610688</NlmUniqueID>
<ISSNLinking>0885-3185</ISSNLinking>
</MedlineJournalInfo>
<CitationSubset>IM</CitationSubset>
<MeshHeadingList><MeshHeading><DescriptorName MajorTopicYN="N" UI="D046690">Deep Brain Stimulation</DescriptorName>
<QualifierName MajorTopicYN="Y" UI="Q000295">instrumentation</QualifierName>
<QualifierName MajorTopicYN="N" UI="Q000379">methods</QualifierName>
</MeshHeading>
<MeshHeading><DescriptorName MajorTopicYN="Y" UI="D011211">Electric Power Supplies</DescriptorName>
</MeshHeading>
<MeshHeading><DescriptorName MajorTopicYN="N" UI="D004567">Electrodes, Implanted</DescriptorName>
</MeshHeading>
<MeshHeading><DescriptorName MajorTopicYN="N" UI="D004867">Equipment Design</DescriptorName>
</MeshHeading>
<MeshHeading><DescriptorName MajorTopicYN="Y" UI="D004868">Equipment Failure</DescriptorName>
</MeshHeading>
<MeshHeading><DescriptorName MajorTopicYN="N" UI="D019544">Equipment Failure Analysis</DescriptorName>
</MeshHeading>
<MeshHeading><DescriptorName MajorTopicYN="N" UI="D005500">Follow-Up Studies</DescriptorName>
</MeshHeading>
<MeshHeading><DescriptorName MajorTopicYN="N" UI="D006801">Humans</DescriptorName>
</MeshHeading>
<MeshHeading><DescriptorName MajorTopicYN="N" UI="D010300">Parkinson Disease</DescriptorName>
<QualifierName MajorTopicYN="Y" UI="Q000628">therapy</QualifierName>
</MeshHeading>
<MeshHeading><DescriptorName MajorTopicYN="N" UI="D020531">Subthalamic Nucleus</DescriptorName>
<QualifierName MajorTopicYN="N" UI="Q000528">radiation effects</QualifierName>
</MeshHeading>
</MeshHeadingList>
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<Month>12</Month>
<Day>8</Day>
<Hour>9</Hour>
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<PublicationStatus>ppublish</PublicationStatus>
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<affiliations><list><country><li>Autriche</li>
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<tree><country name="Autriche"><region name="Vienne (Autriche)"><name sortKey="Alesch, Francois" sort="Alesch, Francois" uniqKey="Alesch F" first="François" last="Alesch">François Alesch</name>
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	Movement Disorders (revue)
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Movement Disorders (revue)

Sudden failure of dual channel pulse generators.

Sudden failure of dual channel pulse generators.

Source :

English descriptors

Abstract

Links toward previous steps (curation, corpus...)

Links to Exploration step

Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

Pour mettre un lien sur cette page dans le réseau Wicri

Pour générer des pages wiki