A Novel Actuator for Simulation of Epidural Anesthesia and Other Needle Insertion Procedures
Identifieur interne : 000F31 ( Pmc/Curation ); précédent : 000F30; suivant : 000F32A Novel Actuator for Simulation of Epidural Anesthesia and Other Needle Insertion Procedures
Auteurs : John C. Magill ; Marten F. Byl ; Michael F. Hinds ; William Agassounon ; Stephen D. Pratt ; Philip E. HessSource :
- Simulation in healthcare : journal of the Society for Simulation in Healthcare [ 1559-2332 ] ; 2010.
Abstract
When navigating a needle from skin to epidural space, a skilled clinician maintains a mental model of the anatomy and uses the various forms of haptic and visual feedback to track the location of the needle tip. Simulating the procedure requires an actuator that can produce the feel of tissue layers even as the needle direction changes from the ideal path.
A new actuator and algorithm architecture simulate forces associated with passing a needle through varying tissue layers. The actuator uses a set of cables to suspend a needle holder. The cables are wound onto spools controlled by brushless motors. An electromagnetic tracker is used to monitor the position of the needle tip.
Novice and expert clinicians simulated epidural insertion with the simulator. Preliminary depth-time curves show that the user responds to changes in tissue properties as the needle is advanced. Some discrepancy in clinician response indicates that the feel of the simulator is sensitive to technique, thus perfect tissue property simulation has not been achieved.
The new simulator is able to approximately reproduce properties of complex multilayer tissue structures, including fine-scale texture. Methods for improving fidelity of the simulation are identified.
Url:
DOI: 10.1097/SIH.0b013e3181ce761a
PubMed: 20651481
PubMed Central: 2978502
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<record><TEI><teiHeader><fileDesc><titleStmt><title xml:lang="en">A Novel Actuator for Simulation of Epidural Anesthesia and Other Needle Insertion Procedures</title>
<author><name sortKey="Magill, John C" sort="Magill, John C" uniqKey="Magill J" first="John C." last="Magill">John C. Magill</name>
</author>
<author><name sortKey="Byl, Marten F" sort="Byl, Marten F" uniqKey="Byl M" first="Marten F." last="Byl">Marten F. Byl</name>
</author>
<author><name sortKey="Hinds, Michael F" sort="Hinds, Michael F" uniqKey="Hinds M" first="Michael F." last="Hinds">Michael F. Hinds</name>
</author>
<author><name sortKey="Agassounon, William" sort="Agassounon, William" uniqKey="Agassounon W" first="William" last="Agassounon">William Agassounon</name>
</author>
<author><name sortKey="Pratt, Stephen D" sort="Pratt, Stephen D" uniqKey="Pratt S" first="Stephen D." last="Pratt">Stephen D. Pratt</name>
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<author><name sortKey="Hess, Philip E" sort="Hess, Philip E" uniqKey="Hess P" first="Philip E." last="Hess">Philip E. Hess</name>
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<sourceDesc><biblStruct><analytic><title xml:lang="en" level="a" type="main">A Novel Actuator for Simulation of Epidural Anesthesia and Other Needle Insertion Procedures</title>
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<author><name sortKey="Byl, Marten F" sort="Byl, Marten F" uniqKey="Byl M" first="Marten F." last="Byl">Marten F. Byl</name>
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<author><name sortKey="Hinds, Michael F" sort="Hinds, Michael F" uniqKey="Hinds M" first="Michael F." last="Hinds">Michael F. Hinds</name>
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<author><name sortKey="Agassounon, William" sort="Agassounon, William" uniqKey="Agassounon W" first="William" last="Agassounon">William Agassounon</name>
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<author><name sortKey="Pratt, Stephen D" sort="Pratt, Stephen D" uniqKey="Pratt S" first="Stephen D." last="Pratt">Stephen D. Pratt</name>
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<author><name sortKey="Hess, Philip E" sort="Hess, Philip E" uniqKey="Hess P" first="Philip E." last="Hess">Philip E. Hess</name>
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<series><title level="j">Simulation in healthcare : journal of the Society for Simulation in Healthcare</title>
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<front><div type="abstract" xml:lang="en"><sec id="S1"><title>Introduction</title>
<p id="P1">When navigating a needle from skin to epidural space, a skilled clinician maintains a mental model of the anatomy and uses the various forms of haptic and visual feedback to track the location of the needle tip. Simulating the procedure requires an actuator that can produce the feel of tissue layers even as the needle direction changes from the ideal path.</p>
</sec>
<sec sec-type="methods" id="S2"><title>Methods</title>
<p id="P2">A new actuator and algorithm architecture simulate forces associated with passing a needle through varying tissue layers. The actuator uses a set of cables to suspend a needle holder. The cables are wound onto spools controlled by brushless motors. An electromagnetic tracker is used to monitor the position of the needle tip.</p>
</sec>
<sec id="S3"><title>Results</title>
<p id="P3">Novice and expert clinicians simulated epidural insertion with the simulator. Preliminary depth-time curves show that the user responds to changes in tissue properties as the needle is advanced. Some discrepancy in clinician response indicates that the feel of the simulator is sensitive to technique, thus perfect tissue property simulation has not been achieved.</p>
</sec>
<sec id="S4"><title>Conclusions</title>
<p id="P4">The new simulator is able to approximately reproduce properties of complex multilayer tissue structures, including fine-scale texture. Methods for improving fidelity of the simulation are identified.</p>
</sec>
</div>
</front>
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<front><journal-meta><journal-id journal-id-type="nlm-journal-id">101264408</journal-id>
<journal-id journal-id-type="pubmed-jr-id">35526</journal-id>
<journal-id journal-id-type="nlm-ta">Simul Healthc</journal-id>
<journal-title>Simulation in healthcare : journal of the Society for Simulation in Healthcare</journal-title>
<issn pub-type="ppub">1559-2332</issn>
<issn pub-type="epub">1559-713X</issn>
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<article-meta><article-id pub-id-type="pmid">20651481</article-id>
<article-id pub-id-type="pmc">2978502</article-id>
<article-id pub-id-type="doi">10.1097/SIH.0b013e3181ce761a</article-id>
<article-id pub-id-type="manuscript">NIHMS248109</article-id>
<article-categories><subj-group subj-group-type="heading"><subject>Article</subject>
</subj-group>
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<title-group><article-title>A Novel Actuator for Simulation of Epidural Anesthesia and Other Needle Insertion Procedures</article-title>
</title-group>
<contrib-group><contrib contrib-type="author"><name><surname>Magill</surname>
<given-names>John C.</given-names>
</name>
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<contrib contrib-type="author"><name><surname>Byl</surname>
<given-names>Marten F.</given-names>
</name>
</contrib>
<contrib contrib-type="author"><name><surname>Hinds</surname>
<given-names>Michael F.</given-names>
</name>
</contrib>
<contrib contrib-type="author"><name><surname>Agassounon</surname>
<given-names>William</given-names>
</name>
</contrib>
<contrib contrib-type="author"><name><surname>Pratt</surname>
<given-names>Stephen D.</given-names>
</name>
</contrib>
<contrib contrib-type="author"><name><surname>Hess</surname>
<given-names>Philip E.</given-names>
</name>
</contrib>
</contrib-group>
<pub-date pub-type="nihms-submitted"><day>28</day>
<month>10</month>
<year>2010</year>
</pub-date>
<pub-date pub-type="ppub"><month>6</month>
<year>2010</year>
</pub-date>
<pub-date pub-type="pmc-release"><day>1</day>
<month>6</month>
<year>2011</year>
</pub-date>
<volume>5</volume>
<issue>3</issue>
<fpage>179</fpage>
<lpage>184</lpage>
<abstract><sec id="S1"><title>Introduction</title>
<p id="P1">When navigating a needle from skin to epidural space, a skilled clinician maintains a mental model of the anatomy and uses the various forms of haptic and visual feedback to track the location of the needle tip. Simulating the procedure requires an actuator that can produce the feel of tissue layers even as the needle direction changes from the ideal path.</p>
</sec>
<sec sec-type="methods" id="S2"><title>Methods</title>
<p id="P2">A new actuator and algorithm architecture simulate forces associated with passing a needle through varying tissue layers. The actuator uses a set of cables to suspend a needle holder. The cables are wound onto spools controlled by brushless motors. An electromagnetic tracker is used to monitor the position of the needle tip.</p>
</sec>
<sec id="S3"><title>Results</title>
<p id="P3">Novice and expert clinicians simulated epidural insertion with the simulator. Preliminary depth-time curves show that the user responds to changes in tissue properties as the needle is advanced. Some discrepancy in clinician response indicates that the feel of the simulator is sensitive to technique, thus perfect tissue property simulation has not been achieved.</p>
</sec>
<sec id="S4"><title>Conclusions</title>
<p id="P4">The new simulator is able to approximately reproduce properties of complex multilayer tissue structures, including fine-scale texture. Methods for improving fidelity of the simulation are identified.</p>
</sec>
</abstract>
<contract-num rid="EB1">R44 EB000365-03
||EB</contract-num>
<contract-num rid="EB1">R44 EB000365-02A2
||EB</contract-num>
<contract-sponsor id="EB1">National Institute of Biomedical Imaging and Bioengineering : NIBIB</contract-sponsor>
</article-meta>
</front>
</pmc>
</record>
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