Pilot studies suggesting new applications of NiTi in dynamic orthoses for the ankle joint.
Identifieur interne : 001113 ( PubMed/Corpus ); précédent : 001112; suivant : 001114Pilot studies suggesting new applications of NiTi in dynamic orthoses for the ankle joint.
Auteurs : Simone Pittaccio ; Stefano Viscuso ; Elena Beretta ; Anna Carla Turconi ; Sandra StrazzerSource :
- Prosthetics and orthotics international [ 1746-1553 ] ; 2010.
English descriptors
- KwdEn :
- MESH :
- chemical : Nickel, Titanium.
- physiology : Ankle Joint, Gait.
- physiopathology : Equinus Deformity.
- rehabilitation : Equinus Deformity.
- Adolescent, Adult, Electromyography, Humans, Male, Middle Aged, Orthotic Devices, Physical Therapy Modalities, Pilot Projects.
Abstract
NiTi is a metal alloy with unconventional functional characteristics: Shape memory and pseudoelasticity. Its use in the field of rehabilitation is very innovative. This work presents applications in lower limb orthotics. Three different devices were assembled and tested: An equinus gait dynamic splint, a compliant ankle positioning brace, and a dual-mode haptic/active exerciser for the dorsiflexors. Results are derived from technical and preclinical trials. The gait splint improves several walking parameters even better than a traditional flexible ankle-foot orthoses (AFO). In particular, it supports mid-stance and propulsion biomechanics and affects physiological activation of tibialis anterior during swing much less than posterior leaf AFO. The haptic/active exerciser, able to provide dorsiflexion through a suitable articular range, could be controlled on the basis of minimal surface electromyographic (sEMG) signals, suggesting its use as an aid for early active workouts as soon as patients start to recover voluntary control of tibialis anterior. Further evidence must be sought in future to confirm for the ankle joint the promising results obtained in repositioning applications in prior upper limb studies. The work done so far on the tested prototypes is encouraging: Material characteristics and dimensioning will be optimized so that customized NiTi devices can be prescribed to best meet individual patients' requirements.
DOI: 10.3109/03093641003702253
PubMed: 20384547
Links to Exploration step
pubmed:20384547Le document en format XML
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Its use in the field of rehabilitation is very innovative. This work presents applications in lower limb orthotics. Three different devices were assembled and tested: An equinus gait dynamic splint, a compliant ankle positioning brace, and a dual-mode haptic/active exerciser for the dorsiflexors. Results are derived from technical and preclinical trials. The gait splint improves several walking parameters even better than a traditional flexible ankle-foot orthoses (AFO). In particular, it supports mid-stance and propulsion biomechanics and affects physiological activation of tibialis anterior during swing much less than posterior leaf AFO. The haptic/active exerciser, able to provide dorsiflexion through a suitable articular range, could be controlled on the basis of minimal surface electromyographic (sEMG) signals, suggesting its use as an aid for early active workouts as soon as patients start to recover voluntary control of tibialis anterior. Further evidence must be sought in future to confirm for the ankle joint the promising results obtained in repositioning applications in prior upper limb studies. The work done so far on the tested prototypes is encouraging: Material characteristics and dimensioning will be optimized so that customized NiTi devices can be prescribed to best meet individual patients' requirements.</div></front></TEI><pubmed><MedlineCitation Owner="NLM" Status="MEDLINE"><PMID Version="1">20384547</PMID><DateCreated><Year>2010</Year><Month>08</Month><Day>26</Day></DateCreated><DateCompleted><Year>2010</Year><Month>12</Month><Day>16</Day></DateCompleted><DateRevised><Year>2013</Year><Month>11</Month><Day>21</Day></DateRevised><Article PubModel="Print"><Journal><ISSN IssnType="Electronic">1746-1553</ISSN><JournalIssue CitedMedium="Internet"><Volume>34</Volume><Issue>3</Issue><PubDate><Year>2010</Year><Month>Sep</Month></PubDate></JournalIssue><Title>Prosthetics and orthotics international</Title><ISOAbbreviation>Prosthet Orthot Int</ISOAbbreviation></Journal><ArticleTitle>Pilot studies suggesting new applications of NiTi in dynamic orthoses for the ankle joint.</ArticleTitle><Pagination><MedlinePgn>305-18</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.3109/03093641003702253</ELocationID><Abstract><AbstractText>NiTi is a metal alloy with unconventional functional characteristics: Shape memory and pseudoelasticity. Its use in the field of rehabilitation is very innovative. This work presents applications in lower limb orthotics. Three different devices were assembled and tested: An equinus gait dynamic splint, a compliant ankle positioning brace, and a dual-mode haptic/active exerciser for the dorsiflexors. Results are derived from technical and preclinical trials. The gait splint improves several walking parameters even better than a traditional flexible ankle-foot orthoses (AFO). In particular, it supports mid-stance and propulsion biomechanics and affects physiological activation of tibialis anterior during swing much less than posterior leaf AFO. The haptic/active exerciser, able to provide dorsiflexion through a suitable articular range, could be controlled on the basis of minimal surface electromyographic (sEMG) signals, suggesting its use as an aid for early active workouts as soon as patients start to recover voluntary control of tibialis anterior. Further evidence must be sought in future to confirm for the ankle joint the promising results obtained in repositioning applications in prior upper limb studies. The work done so far on the tested prototypes is encouraging: Material characteristics and dimensioning will be optimized so that customized NiTi devices can be prescribed to best meet individual patients' requirements.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Pittaccio</LastName><ForeName>Simone</ForeName><Initials>S</Initials><AffiliationInfo><Affiliation>Institute for Energetics and Interphases, Italian National Research Council, Lecco, Italy. s.pittaccio@ieni.cnr.it</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Viscuso</LastName><ForeName>Stefano</ForeName><Initials>S</Initials></Author><Author ValidYN="Y"><LastName>Beretta</LastName><ForeName>Elena</ForeName><Initials>E</Initials></Author><Author ValidYN="Y"><LastName>Turconi</LastName><ForeName>Anna Carla</ForeName><Initials>AC</Initials></Author><Author ValidYN="Y"><LastName>Strazzer</LastName><ForeName>Sandra</ForeName><Initials>S</Initials></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D002363">Case Reports</PublicationType><PublicationType UI="D023362">Evaluation Studies</PublicationType><PublicationType UI="D016428">Journal Article</PublicationType></PublicationTypeList></Article><MedlineJournalInfo><Country>England</Country><MedlineTA>Prosthet Orthot Int</MedlineTA><NlmUniqueID>7707720</NlmUniqueID><ISSNLinking>0309-3646</ISSNLinking></MedlineJournalInfo><ChemicalList><Chemical><RegistryNumber>12035-60-8</RegistryNumber><NameOfSubstance UI="C040654">titanium nickelide</NameOfSubstance></Chemical><Chemical><RegistryNumber>7OV03QG267</RegistryNumber><NameOfSubstance UI="D009532">Nickel</NameOfSubstance></Chemical><Chemical><RegistryNumber>D1JT611TNE</RegistryNumber><NameOfSubstance UI="D014025">Titanium</NameOfSubstance></Chemical></ChemicalList><CitationSubset>IM</CitationSubset><MeshHeadingList><MeshHeading><DescriptorName MajorTopicYN="N" UI="D000293">Adolescent</DescriptorName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D000328">Adult</DescriptorName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D000843">Ankle Joint</DescriptorName><QualifierName MajorTopicYN="Y" UI="Q000502">physiology</QualifierName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D004576">Electromyography</DescriptorName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D004863">Equinus Deformity</DescriptorName><QualifierName MajorTopicYN="N" UI="Q000503">physiopathology</QualifierName><QualifierName MajorTopicYN="N" UI="Q000534">rehabilitation</QualifierName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D005684">Gait</DescriptorName><QualifierName MajorTopicYN="N" UI="Q000502">physiology</QualifierName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D006801">Humans</DescriptorName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D008297">Male</DescriptorName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D008875">Middle Aged</DescriptorName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="Y" UI="D009532">Nickel</DescriptorName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="Y" UI="D009989">Orthotic Devices</DescriptorName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D026741">Physical Therapy Modalities</DescriptorName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D010865">Pilot Projects</DescriptorName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="Y" UI="D014025">Titanium</DescriptorName></MeshHeading></MeshHeadingList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="entrez"><Year>2010</Year><Month>4</Month><Day>14</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="pubmed"><Year>2010</Year><Month>4</Month><Day>14</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2010</Year><Month>12</Month><Day>17</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="doi">10.3109/03093641003702253</ArticleId><ArticleId IdType="pubmed">20384547</ArticleId></ArticleIdList></PubmedData></pubmed></record>Pour manipuler ce document sous Unix (Dilib)
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