HIDE: a new hybrid environment for the design of custom-made hip prosthesis
Identifieur interne : 000458 ( Istex/Corpus ); précédent : 000457; suivant : 000459HIDE: a new hybrid environment for the design of custom-made hip prosthesis
Auteurs : Marco Viceconti ; Debora Testi ; Roberto Gori ; Cinzia Zannoni ; Angelo Cappello ; Angelo De LollisSource :
- Computer Methods and Programs in Biomedicine [ 0169-2607 ] ; 2001.
English descriptors
- KwdEn :
- Teeft :
- Basic implant shape, Basic shapes, Biomedicine, Bone contours, Bone tissue, Computer methods, Computer reconstruction, Contact surface, Control section, Control sections, Cremascoli ortho, Data import, Design environment, Design procedure, Design process, Design time, Design times, Dicom format, Elsevier science ireland, Femoral, Femur, Full navigation tool, Good results, Hipcom design environment, Host bone, Image depth, Image segmentation, Implant, Implant section, Implant shape, Manual procedure, Mechanical design, Medical company, Methods programs biomed, Orthop, Orthopaedic procedures, Orthopaedic surgery, Other cases, Part program, Planar curves, Planning system, Primary window, Projective views, Prosthesis, Prosthetic component, Raster description, Similar approach, Technical note, Total design time, Vectorial description, Viceconti.
Abstract
Abstract: This technical note describes a new software environment (HIPCOM design environment, HIDE) for the design of custom-made total hip replacements. These devices are frequently designed using general-purpose mechanical computer-aided design (CAD) programs using a set of bone contours extracted from the computer tomography (CT) images as anatomical reference. On the contrary, the HIDE system was developed to let the operator directly design the stem shape onto the CT images in a single-step operation. The operator can directly import CT data in DICOM format or use special functions to reconvert to a digital stack, the CT images printed on a radiological film. Once the stack of CT images is loaded, the operator can design the implant shape by imposing control sections directly on the CT images. The interpolation of these control sections produces the basic 3D shape of the custom-made stem. The shape is then exported to the CAD–computer-aided manufacturing (CAM) program to refine the design and to generate the part program to manufacture the implant with a CNC tooling machine. Using HIDE, the duration of design steps it affected was reduced by more than 50% with respect to the standard method in use at the manufacturer site. HIDE also improved the accuracy and the repeatability of the whole procedure. The learning curve became flat after only ten cases. These good results were achieved because of the integration of the vectorial description of the prosthetic component with the raster description of the CT data that allowed the designer to use all details available in the CT images.
Url:
DOI: 10.1016/S0169-2607(00)00097-3
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ISTEX:37EA82F035C31EF21A2DAF1DBB92ABC33B6B9AF0Le document en format XML
<record><TEI wicri:istexFullTextTei="biblStruct"><teiHeader><fileDesc><titleStmt><title xml:lang="en">HIDE: a new hybrid environment for the design of custom-made hip prosthesis</title><author><name sortKey="Viceconti, Marco" sort="Viceconti, Marco" uniqKey="Viceconti M" first="Marco" last="Viceconti">Marco Viceconti</name><affiliation><mods:affiliation>Laboratorio di Tecnologia Medica, Istituti Ortopedici Rizzoli, Via di Barbiano, 1/10, 40136 Bologna, Italy</mods:affiliation></affiliation><affiliation><mods:affiliation>Corresponding author. Tel.: +39-51-6366864; fax: +39-51-6366863</mods:affiliation></affiliation><affiliation><mods:affiliation>E-mail: viceconti@tecno.ior.it</mods:affiliation></affiliation></author><author><name sortKey="Testi, Debora" sort="Testi, Debora" uniqKey="Testi D" first="Debora" last="Testi">Debora Testi</name><affiliation><mods:affiliation>Laboratorio di Tecnologia Medica, Istituti Ortopedici Rizzoli, Via di Barbiano, 1/10, 40136 Bologna, Italy</mods:affiliation></affiliation><affiliation><mods:affiliation>DEIS, Università di Bologna, Bologna, Italy</mods:affiliation></affiliation></author><author><name sortKey="Gori, Roberto" sort="Gori, Roberto" uniqKey="Gori R" first="Roberto" last="Gori">Roberto Gori</name><affiliation><mods:affiliation>Laboratorio di Tecnologia Medica, Istituti Ortopedici Rizzoli, Via di Barbiano, 1/10, 40136 Bologna, Italy</mods:affiliation></affiliation></author><author><name sortKey="Zannoni, Cinzia" sort="Zannoni, Cinzia" uniqKey="Zannoni C" first="Cinzia" last="Zannoni">Cinzia Zannoni</name><affiliation><mods:affiliation>BioComputing Competence Centre, CINECA, Bologna, Italy</mods:affiliation></affiliation></author><author><name sortKey="Cappello, Angelo" sort="Cappello, Angelo" uniqKey="Cappello A" first="Angelo" last="Cappello">Angelo Cappello</name><affiliation><mods:affiliation>DEIS, Università di Bologna, Bologna, Italy</mods:affiliation></affiliation></author><author><name sortKey="De Lollis, Angelo" sort="De Lollis, Angelo" uniqKey="De Lollis A" first="Angelo" last="De Lollis">Angelo De Lollis</name><affiliation><mods:affiliation>Cremascoli Ortho, Milano, Italy</mods:affiliation></affiliation></author></titleStmt><publicationStmt><idno type="wicri:source">ISTEX</idno><idno type="RBID">ISTEX:37EA82F035C31EF21A2DAF1DBB92ABC33B6B9AF0</idno><date when="2001" year="2001">2001</date><idno type="doi">10.1016/S0169-2607(00)00097-3</idno><idno type="url">https://api.istex.fr/document/37EA82F035C31EF21A2DAF1DBB92ABC33B6B9AF0/fulltext/pdf</idno><idno type="wicri:Area/Istex/Corpus">000458</idno><idno type="wicri:explorRef" wicri:stream="Istex" wicri:step="Corpus" wicri:corpus="ISTEX">000458</idno></publicationStmt><sourceDesc><biblStruct><analytic><title level="a" type="main" xml:lang="en">HIDE: a new hybrid environment for the design of custom-made hip prosthesis</title><author><name sortKey="Viceconti, Marco" sort="Viceconti, Marco" uniqKey="Viceconti M" first="Marco" last="Viceconti">Marco Viceconti</name><affiliation><mods:affiliation>Laboratorio di Tecnologia Medica, Istituti Ortopedici Rizzoli, Via di Barbiano, 1/10, 40136 Bologna, Italy</mods:affiliation></affiliation><affiliation><mods:affiliation>Corresponding author. Tel.: +39-51-6366864; fax: +39-51-6366863</mods:affiliation></affiliation><affiliation><mods:affiliation>E-mail: viceconti@tecno.ior.it</mods:affiliation></affiliation></author><author><name sortKey="Testi, Debora" sort="Testi, Debora" uniqKey="Testi D" first="Debora" last="Testi">Debora Testi</name><affiliation><mods:affiliation>Laboratorio di Tecnologia Medica, Istituti Ortopedici Rizzoli, Via di Barbiano, 1/10, 40136 Bologna, Italy</mods:affiliation></affiliation><affiliation><mods:affiliation>DEIS, Università di Bologna, Bologna, Italy</mods:affiliation></affiliation></author><author><name sortKey="Gori, Roberto" sort="Gori, Roberto" uniqKey="Gori R" first="Roberto" last="Gori">Roberto Gori</name><affiliation><mods:affiliation>Laboratorio di Tecnologia Medica, Istituti Ortopedici Rizzoli, Via di Barbiano, 1/10, 40136 Bologna, Italy</mods:affiliation></affiliation></author><author><name sortKey="Zannoni, Cinzia" sort="Zannoni, Cinzia" uniqKey="Zannoni C" first="Cinzia" last="Zannoni">Cinzia Zannoni</name><affiliation><mods:affiliation>BioComputing Competence Centre, CINECA, Bologna, Italy</mods:affiliation></affiliation></author><author><name sortKey="Cappello, Angelo" sort="Cappello, Angelo" uniqKey="Cappello A" first="Angelo" last="Cappello">Angelo Cappello</name><affiliation><mods:affiliation>DEIS, Università di Bologna, Bologna, Italy</mods:affiliation></affiliation></author><author><name sortKey="De Lollis, Angelo" sort="De Lollis, Angelo" uniqKey="De Lollis A" first="Angelo" last="De Lollis">Angelo De Lollis</name><affiliation><mods:affiliation>Cremascoli Ortho, Milano, Italy</mods:affiliation></affiliation></author></analytic><monogr></monogr><series><title level="j">Computer Methods and Programs in Biomedicine</title><title level="j" type="abbrev">COMM</title><idno type="ISSN">0169-2607</idno><imprint><publisher>ELSEVIER</publisher><date type="published" when="2001">2001</date><biblScope unit="volume">64</biblScope><biblScope unit="issue">2</biblScope><biblScope unit="page" from="137">137</biblScope><biblScope unit="page" to="144">144</biblScope></imprint><idno type="ISSN">0169-2607</idno></series></biblStruct></sourceDesc><seriesStmt><idno type="ISSN">0169-2607</idno></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Custom prosthesis</term><term>Design environment</term><term>Software interface</term></keywords><keywords scheme="Teeft" xml:lang="en"><term>Basic implant shape</term><term>Basic shapes</term><term>Biomedicine</term><term>Bone contours</term><term>Bone tissue</term><term>Computer methods</term><term>Computer reconstruction</term><term>Contact surface</term><term>Control section</term><term>Control sections</term><term>Cremascoli ortho</term><term>Data import</term><term>Design environment</term><term>Design procedure</term><term>Design process</term><term>Design time</term><term>Design times</term><term>Dicom format</term><term>Elsevier science ireland</term><term>Femoral</term><term>Femur</term><term>Full navigation tool</term><term>Good results</term><term>Hipcom design environment</term><term>Host bone</term><term>Image depth</term><term>Image segmentation</term><term>Implant</term><term>Implant section</term><term>Implant shape</term><term>Manual procedure</term><term>Mechanical design</term><term>Medical company</term><term>Methods programs biomed</term><term>Orthop</term><term>Orthopaedic procedures</term><term>Orthopaedic surgery</term><term>Other cases</term><term>Part program</term><term>Planar curves</term><term>Planning system</term><term>Primary window</term><term>Projective views</term><term>Prosthesis</term><term>Prosthetic component</term><term>Raster description</term><term>Similar approach</term><term>Technical note</term><term>Total design time</term><term>Vectorial description</term><term>Viceconti</term></keywords></textClass><langUsage><language ident="en">en</language></langUsage></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Abstract: This technical note describes a new software environment (HIPCOM design environment, HIDE) for the design of custom-made total hip replacements. These devices are frequently designed using general-purpose mechanical computer-aided design (CAD) programs using a set of bone contours extracted from the computer tomography (CT) images as anatomical reference. On the contrary, the HIDE system was developed to let the operator directly design the stem shape onto the CT images in a single-step operation. The operator can directly import CT data in DICOM format or use special functions to reconvert to a digital stack, the CT images printed on a radiological film. Once the stack of CT images is loaded, the operator can design the implant shape by imposing control sections directly on the CT images. The interpolation of these control sections produces the basic 3D shape of the custom-made stem. The shape is then exported to the CAD–computer-aided manufacturing (CAM) program to refine the design and to generate the part program to manufacture the implant with a CNC tooling machine. Using HIDE, the duration of design steps it affected was reduced by more than 50% with respect to the standard method in use at the manufacturer site. HIDE also improved the accuracy and the repeatability of the whole procedure. The learning curve became flat after only ten cases. These good results were achieved because of the integration of the vectorial description of the prosthetic component with the raster description of the CT data that allowed the designer to use all details available in the CT images.</div></front></TEI><istex><corpusName>elsevier</corpusName><keywords><teeft><json:string>prosthesis</json:string><json:string>viceconti</json:string><json:string>orthop</json:string><json:string>implant</json:string><json:string>femur</json:string><json:string>biomedicine</json:string><json:string>femoral</json:string><json:string>computer methods</json:string><json:string>design process</json:string><json:string>control sections</json:string><json:string>design environment</json:string><json:string>bone contours</json:string><json:string>total design time</json:string><json:string>image segmentation</json:string><json:string>planning system</json:string><json:string>methods programs biomed</json:string><json:string>prosthetic component</json:string><json:string>design procedure</json:string><json:string>raster description</json:string><json:string>vectorial description</json:string><json:string>computer reconstruction</json:string><json:string>orthopaedic procedures</json:string><json:string>orthopaedic surgery</json:string><json:string>good results</json:string><json:string>hipcom design environment</json:string><json:string>technical note</json:string><json:string>similar approach</json:string><json:string>manual procedure</json:string><json:string>data import</json:string><json:string>dicom format</json:string><json:string>part program</json:string><json:string>primary window</json:string><json:string>other cases</json:string><json:string>image depth</json:string><json:string>elsevier science ireland</json:string><json:string>implant section</json:string><json:string>control section</json:string><json:string>host bone</json:string><json:string>basic shapes</json:string><json:string>implant shape</json:string><json:string>planar curves</json:string><json:string>full navigation tool</json:string><json:string>contact surface</json:string><json:string>bone tissue</json:string><json:string>design times</json:string><json:string>medical company</json:string><json:string>design time</json:string><json:string>mechanical design</json:string><json:string>projective views</json:string><json:string>cremascoli ortho</json:string><json:string>basic implant shape</json:string></teeft></keywords><author><json:item><name>Marco Viceconti</name><affiliations><json:string>Laboratorio di Tecnologia Medica, Istituti Ortopedici Rizzoli, Via di Barbiano, 1/10, 40136 Bologna, Italy</json:string><json:string>Corresponding author. Tel.: +39-51-6366864; fax: +39-51-6366863</json:string><json:string>E-mail: viceconti@tecno.ior.it</json:string></affiliations></json:item><json:item><name>Debora Testi</name><affiliations><json:string>Laboratorio di Tecnologia Medica, Istituti Ortopedici Rizzoli, Via di Barbiano, 1/10, 40136 Bologna, Italy</json:string><json:string>DEIS, Università di Bologna, Bologna, Italy</json:string></affiliations></json:item><json:item><name>Roberto Gori</name><affiliations><json:string>Laboratorio di Tecnologia Medica, Istituti Ortopedici Rizzoli, Via di Barbiano, 1/10, 40136 Bologna, Italy</json:string></affiliations></json:item><json:item><name>Cinzia Zannoni</name><affiliations><json:string>BioComputing Competence Centre, CINECA, Bologna, Italy</json:string></affiliations></json:item><json:item><name>Angelo Cappello</name><affiliations><json:string>DEIS, Università di Bologna, Bologna, Italy</json:string></affiliations></json:item><json:item><name>Angelo De Lollis</name><affiliations><json:string>Cremascoli Ortho, Milano, Italy</json:string></affiliations></json:item></author><subject><json:item><lang><json:string>eng</json:string></lang><value>Custom prosthesis</value></json:item><json:item><lang><json:string>eng</json:string></lang><value>Design environment</value></json:item><json:item><lang><json:string>eng</json:string></lang><value>Software interface</value></json:item></subject><arkIstex>ark:/67375/6H6-0XZWFM01-T</arkIstex><language><json:string>eng</json:string></language><originalGenre><json:string>Full-length article</json:string></originalGenre><abstract>Abstract: This technical note describes a new software environment (HIPCOM design environment, HIDE) for the design of custom-made total hip replacements. These devices are frequently designed using general-purpose mechanical computer-aided design (CAD) programs using a set of bone contours extracted from the computer tomography (CT) images as anatomical reference. On the contrary, the HIDE system was developed to let the operator directly design the stem shape onto the CT images in a single-step operation. The operator can directly import CT data in DICOM format or use special functions to reconvert to a digital stack, the CT images printed on a radiological film. Once the stack of CT images is loaded, the operator can design the implant shape by imposing control sections directly on the CT images. The interpolation of these control sections produces the basic 3D shape of the custom-made stem. The shape is then exported to the CAD–computer-aided manufacturing (CAM) program to refine the design and to generate the part program to manufacture the implant with a CNC tooling machine. Using HIDE, the duration of design steps it affected was reduced by more than 50% with respect to the standard method in use at the manufacturer site. HIDE also improved the accuracy and the repeatability of the whole procedure. The learning curve became flat after only ten cases. These good results were achieved because of the integration of the vectorial description of the prosthetic component with the raster description of the CT data that allowed the designer to use all details available in the CT images.</abstract><qualityIndicators><score>8.919</score><pdfWordCount>3919</pdfWordCount><pdfCharCount>23335</pdfCharCount><pdfVersion>1.2</pdfVersion><pdfPageCount>8</pdfPageCount><pdfPageSize>536 x 674 pts</pdfPageSize><refBibsNative>true</refBibsNative><abstractWordCount>257</abstractWordCount><abstractCharCount>1612</abstractCharCount><keywordCount>3</keywordCount></qualityIndicators><title>HIDE: a new hybrid environment for the design of custom-made hip prosthesis</title><pmid><json:string>11137197</json:string></pmid><pii><json:string>S0169-2607(00)00097-3</json:string></pii><genre><json:string>research-article</json:string></genre><host><title>Computer Methods and Programs in Biomedicine</title><language><json:string>unknown</json:string></language><publicationDate>2001</publicationDate><issn><json:string>0169-2607</json:string></issn><pii><json:string>S0169-2607(00)X0052-1</json:string></pii><volume>64</volume><issue>2</issue><pages><first>137</first><last>144</last></pages><genre><json:string>journal</json:string></genre></host><namedEntities><unitex><date><json:string>1986</json:string><json:string>2001</json:string><json:string>4096</json:string><json:string>1983</json:string><json:string>1989</json:string></date><geogName></geogName><orgName><json:string>Elsevier Science Ireland Ltd</json:string></orgName><orgName_funder></orgName_funder><orgName_provider></orgName_provider><persName><json:string>Via di Barbiano</json:string><json:string>Bernhard Geiger</json:string><json:string>M. Viceconti</json:string></persName><placeName><json:string>Bologna</json:string><json:string>European Union</json:string><json:string>Italy</json:string></placeName><ref_url></ref_url><ref_bibl><json:string>Murphy et al.</json:string><json:string>Soyama et al.</json:string><json:string>[7,8]</json:string><json:string>[18]</json:string><json:string>[11]</json:string><json:string>[17]</json:string><json:string>[5,6]</json:string><json:string>[21]</json:string><json:string>[20]</json:string><json:string>[3,4]</json:string><json:string>[15]</json:string><json:string>[3,7,12,13]</json:string><json:string>M. Viceconti et al.</json:string><json:string>[14]</json:string><json:string>[9]</json:string><json:string>[22,23]</json:string><json:string>[2]</json:string><json:string>[19]</json:string></ref_bibl><bibl></bibl></unitex></namedEntities><ark><json:string>ark:/67375/6H6-0XZWFM01-T</json:string></ark><categories><wos><json:string>1 - science</json:string><json:string>2 - medical informatics</json:string><json:string>2 - engineering, biomedical</json:string><json:string>2 - computer science, theory & methods</json:string><json:string>2 - computer science, interdisciplinary applications</json:string></wos><scienceMetrix><json:string>1 - applied sciences</json:string><json:string>2 - information & communication technologies</json:string><json:string>3 - medical informatics</json:string></scienceMetrix><scopus><json:string>1 - Health Sciences</json:string><json:string>2 - Medicine</json:string><json:string>3 - Health Informatics</json:string><json:string>1 - Physical Sciences</json:string><json:string>2 - Computer Science</json:string><json:string>3 - Computer Science Applications</json:string><json:string>1 - Physical Sciences</json:string><json:string>2 - Computer Science</json:string><json:string>3 - Software</json:string></scopus><inist><json:string>1 - sciences appliquees, technologies et medecines</json:string><json:string>2 - sciences biologiques et medicales</json:string><json:string>3 - sciences medicales</json:string></inist></categories><publicationDate>2001</publicationDate><copyrightDate>2001</copyrightDate><doi><json:string>10.1016/S0169-2607(00)00097-3</json:string></doi><id>37EA82F035C31EF21A2DAF1DBB92ABC33B6B9AF0</id><score>1</score><fulltext><json:item><extension>pdf</extension><original>true</original><mimetype>application/pdf</mimetype><uri>https://api.istex.fr/document/37EA82F035C31EF21A2DAF1DBB92ABC33B6B9AF0/fulltext/pdf</uri></json:item><json:item><extension>zip</extension><original>false</original><mimetype>application/zip</mimetype><uri>https://api.istex.fr/document/37EA82F035C31EF21A2DAF1DBB92ABC33B6B9AF0/fulltext/zip</uri></json:item><istex:fulltextTEI uri="https://api.istex.fr/document/37EA82F035C31EF21A2DAF1DBB92ABC33B6B9AF0/fulltext/tei"><teiHeader><fileDesc><titleStmt><title level="a" type="main" xml:lang="en">HIDE: a new hybrid environment for the design of custom-made hip prosthesis</title></titleStmt><publicationStmt><authority>ISTEX</authority><publisher>ELSEVIER</publisher><availability><p>©2001 Elsevier Science Ireland Ltd</p></availability><date>2001</date></publicationStmt><notesStmt><note type="content">Fig. 1: The two basic shapes available, a section made of two circles connected by two tangent segments (top); and a simpler circular section (bottom).</note><note type="content">Fig. 2: An aggregate view of the stack window (right) and two slices (left). In the slices, the two basic shapes for the stem design are represented, a double centre shape (top); and a circle (bottom).</note><note type="content">Fig. 3: Full 3-D navigation tool of the stem in the host bone morphology.</note><note type="content">Fig. 4: An example of the contact map between stem and cortical bone.</note><note type="content">Table 1: Comparison between the manual process times and HIDE times average on 20 CMP designs</note></notesStmt><sourceDesc><biblStruct type="inbook"><analytic><title level="a" type="main" xml:lang="en">HIDE: a new hybrid environment for the design of custom-made hip prosthesis</title><author xml:id="author-0000"><persName><forename type="first">Marco</forename><surname>Viceconti</surname></persName><email>viceconti@tecno.ior.it</email><affiliation>Laboratorio di Tecnologia Medica, Istituti Ortopedici Rizzoli, Via di Barbiano, 1/10, 40136 Bologna, Italy</affiliation><affiliation>Corresponding author. Tel.: +39-51-6366864; fax: +39-51-6366863</affiliation></author><author xml:id="author-0001"><persName><forename type="first">Debora</forename><surname>Testi</surname></persName><affiliation>Laboratorio di Tecnologia Medica, Istituti Ortopedici Rizzoli, Via di Barbiano, 1/10, 40136 Bologna, Italy</affiliation><affiliation>DEIS, Università di Bologna, Bologna, Italy</affiliation></author><author xml:id="author-0002"><persName><forename type="first">Roberto</forename><surname>Gori</surname></persName><affiliation>Laboratorio di Tecnologia Medica, Istituti Ortopedici Rizzoli, Via di Barbiano, 1/10, 40136 Bologna, Italy</affiliation></author><author xml:id="author-0003"><persName><forename type="first">Cinzia</forename><surname>Zannoni</surname></persName><affiliation>BioComputing Competence Centre, CINECA, Bologna, Italy</affiliation></author><author xml:id="author-0004"><persName><forename type="first">Angelo</forename><surname>Cappello</surname></persName><affiliation>DEIS, Università di Bologna, Bologna, Italy</affiliation></author><author xml:id="author-0005"><persName><forename type="first">Angelo</forename><surname>De Lollis</surname></persName><affiliation>Cremascoli Ortho, Milano, Italy</affiliation></author><idno type="istex">37EA82F035C31EF21A2DAF1DBB92ABC33B6B9AF0</idno><idno type="DOI">10.1016/S0169-2607(00)00097-3</idno><idno type="PII">S0169-2607(00)00097-3</idno></analytic><monogr><title level="j">Computer Methods and Programs in Biomedicine</title><title level="j" type="abbrev">COMM</title><idno type="pISSN">0169-2607</idno><idno type="PII">S0169-2607(00)X0052-1</idno><imprint><publisher>ELSEVIER</publisher><date type="published" when="2001"></date><biblScope unit="volume">64</biblScope><biblScope unit="issue">2</biblScope><biblScope unit="page" from="137">137</biblScope><biblScope unit="page" to="144">144</biblScope></imprint></monogr></biblStruct></sourceDesc></fileDesc><profileDesc><creation><date>2001</date></creation><langUsage><language ident="en">en</language></langUsage><abstract xml:lang="en"><p>This technical note describes a new software environment (HIPCOM design environment, HIDE) for the design of custom-made total hip replacements. These devices are frequently designed using general-purpose mechanical computer-aided design (CAD) programs using a set of bone contours extracted from the computer tomography (CT) images as anatomical reference. On the contrary, the HIDE system was developed to let the operator directly design the stem shape onto the CT images in a single-step operation. The operator can directly import CT data in DICOM format or use special functions to reconvert to a digital stack, the CT images printed on a radiological film. Once the stack of CT images is loaded, the operator can design the implant shape by imposing control sections directly on the CT images. The interpolation of these control sections produces the basic 3D shape of the custom-made stem. The shape is then exported to the CAD–computer-aided manufacturing (CAM) program to refine the design and to generate the part program to manufacture the implant with a CNC tooling machine. Using HIDE, the duration of design steps it affected was reduced by more than 50% with respect to the standard method in use at the manufacturer site. HIDE also improved the accuracy and the repeatability of the whole procedure. The learning curve became flat after only ten cases. These good results were achieved because of the integration of the vectorial description of the prosthetic component with the raster description of the CT data that allowed the designer to use all details available in the CT images.</p></abstract><textClass xml:lang="en"><keywords scheme="keyword"><list><head>Keywords</head><item><term>Custom prosthesis</term></item><item><term>Design environment</term></item><item><term>Software interface</term></item></list></keywords></textClass></profileDesc><revisionDesc><change when="2000-03-20">Modified</change><change when="2001">Published</change></revisionDesc></teiHeader></istex:fulltextTEI><json:item><extension>txt</extension><original>false</original><mimetype>text/plain</mimetype><uri>https://api.istex.fr/document/37EA82F035C31EF21A2DAF1DBB92ABC33B6B9AF0/fulltext/txt</uri></json:item></fulltext><metadata><istex:metadataXml wicri:clean="Elsevier, elements deleted: ce:floats; body; tail"><istex:xmlDeclaration>version="1.0" encoding="utf-8"</istex:xmlDeclaration><istex:docType PUBLIC="-//ES//DTD journal article DTD version 4.5.2//EN//XML" URI="art452.dtd" name="istex:docType"><istex:entity SYSTEM="gr1" NDATA="IMAGE" name="gr1"></istex:entity><istex:entity SYSTEM="gr2" NDATA="IMAGE" name="gr2"></istex:entity><istex:entity SYSTEM="gr3" NDATA="IMAGE" name="gr3"></istex:entity><istex:entity SYSTEM="gr4" NDATA="IMAGE" name="gr4"></istex:entity></istex:docType><istex:document><converted-article version="4.5.2" docsubtype="fla" xml:lang="en"><item-info><jid>COMM</jid><aid>2055</aid><ce:pii>S0169-2607(00)00097-3</ce:pii><ce:doi>10.1016/S0169-2607(00)00097-3</ce:doi><ce:copyright type="full-transfer" year="2001">Elsevier Science Ireland Ltd</ce:copyright></item-info><head><ce:title>HIDE: a new hybrid environment for the design of custom-made hip prosthesis</ce:title><ce:author-group><ce:author><ce:given-name>Marco</ce:given-name><ce:surname>Viceconti</ce:surname><ce:cross-ref refid="AFF1"><ce:sup>a</ce:sup></ce:cross-ref><ce:cross-ref refid="CORR1">*</ce:cross-ref><ce:e-address>viceconti@tecno.ior.it</ce:e-address></ce:author><ce:author><ce:given-name>Debora</ce:given-name><ce:surname>Testi</ce:surname><ce:cross-ref refid="AFF1"><ce:sup>a</ce:sup></ce:cross-ref><ce:cross-ref refid="AFF2"><ce:sup>b</ce:sup></ce:cross-ref></ce:author><ce:author><ce:given-name>Roberto</ce:given-name><ce:surname>Gori</ce:surname><ce:cross-ref refid="AFF1"><ce:sup>a</ce:sup></ce:cross-ref></ce:author><ce:author><ce:given-name>Cinzia</ce:given-name><ce:surname>Zannoni</ce:surname><ce:cross-ref refid="AFF3"><ce:sup>c</ce:sup></ce:cross-ref></ce:author><ce:author><ce:given-name>Angelo</ce:given-name><ce:surname>Cappello</ce:surname><ce:cross-ref refid="AFF2"><ce:sup>b</ce:sup></ce:cross-ref></ce:author><ce:author><ce:given-name>Angelo</ce:given-name><ce:surname>De Lollis</ce:surname><ce:cross-ref refid="AFF4"><ce:sup>d</ce:sup></ce:cross-ref></ce:author><ce:affiliation id="AFF1"><ce:label><ce:sup>a</ce:sup></ce:label><ce:textfn>Laboratorio di Tecnologia Medica, Istituti Ortopedici Rizzoli, Via di Barbiano, 1/10, 40136 Bologna, Italy</ce:textfn></ce:affiliation><ce:affiliation id="AFF2"><ce:label><ce:sup>b</ce:sup></ce:label><ce:textfn>DEIS, Università di Bologna, Bologna, Italy</ce:textfn></ce:affiliation><ce:affiliation id="AFF3"><ce:label><ce:sup>c</ce:sup></ce:label><ce:textfn>BioComputing Competence Centre, CINECA, Bologna, Italy</ce:textfn></ce:affiliation><ce:affiliation id="AFF4"><ce:label><ce:sup>d</ce:sup></ce:label><ce:textfn>Cremascoli Ortho, Milano, Italy</ce:textfn></ce:affiliation><ce:correspondence id="CORR1"><ce:label>*</ce:label><ce:text>Corresponding author. Tel.: +39-51-6366864; fax: +39-51-6366863</ce:text></ce:correspondence></ce:author-group><ce:date-received day="30" month="12" year="1999"></ce:date-received><ce:date-revised day="20" month="3" year="2000"></ce:date-revised><ce:date-accepted day="20" month="4" year="2000"></ce:date-accepted><ce:abstract><ce:section-title>Abstract</ce:section-title><ce:abstract-sec><ce:simple-para>This technical note describes a new software environment (HIPCOM design environment, HIDE) for the design of custom-made total hip replacements. These devices are frequently designed using general-purpose mechanical computer-aided design (CAD) programs using a set of bone contours extracted from the computer tomography (CT) images as anatomical reference. On the contrary, the HIDE system was developed to let the operator directly design the stem shape onto the CT images in a single-step operation. The operator can directly import CT data in DICOM format or use special functions to reconvert to a digital stack, the CT images printed on a radiological film. Once the stack of CT images is loaded, the operator can design the implant shape by imposing control sections directly on the CT images. The interpolation of these control sections produces the basic 3D shape of the custom-made stem. The shape is then exported to the CAD–computer-aided manufacturing (CAM) program to refine the design and to generate the part program to manufacture the implant with a CNC tooling machine. Using HIDE, the duration of design steps it affected was reduced by more than 50% with respect to the standard method in use at the manufacturer site. HIDE also improved the accuracy and the repeatability of the whole procedure. The learning curve became flat after only ten cases. These good results were achieved because of the integration of the vectorial description of the prosthetic component with the raster description of the CT data that allowed the designer to use all details available in the CT images.</ce:simple-para></ce:abstract-sec></ce:abstract><ce:keywords class="keyword"><ce:section-title>Keywords</ce:section-title><ce:keyword><ce:text>Custom prosthesis</ce:text></ce:keyword><ce:keyword><ce:text>Design environment</ce:text></ce:keyword><ce:keyword><ce:text>Software interface</ce:text></ce:keyword></ce:keywords></head></converted-article></istex:document></istex:metadataXml><mods version="3.6"><titleInfo lang="en"><title>HIDE: a new hybrid environment for the design of custom-made hip prosthesis</title></titleInfo><titleInfo type="alternative" lang="en" contentType="CDATA"><title>HIDE: a new hybrid environment for the design of custom-made hip prosthesis</title></titleInfo><name type="personal"><namePart type="given">Marco</namePart><namePart type="family">Viceconti</namePart><affiliation>Laboratorio di Tecnologia Medica, Istituti Ortopedici Rizzoli, Via di Barbiano, 1/10, 40136 Bologna, Italy</affiliation><affiliation>Corresponding author. Tel.: +39-51-6366864; fax: +39-51-6366863</affiliation><affiliation>E-mail: viceconti@tecno.ior.it</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">Debora</namePart><namePart type="family">Testi</namePart><affiliation>Laboratorio di Tecnologia Medica, Istituti Ortopedici Rizzoli, Via di Barbiano, 1/10, 40136 Bologna, Italy</affiliation><affiliation>DEIS, Università di Bologna, Bologna, Italy</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">Roberto</namePart><namePart type="family">Gori</namePart><affiliation>Laboratorio di Tecnologia Medica, Istituti Ortopedici Rizzoli, Via di Barbiano, 1/10, 40136 Bologna, Italy</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">Cinzia</namePart><namePart type="family">Zannoni</namePart><affiliation>BioComputing Competence Centre, CINECA, Bologna, Italy</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">Angelo</namePart><namePart type="family">Cappello</namePart><affiliation>DEIS, Università di Bologna, Bologna, Italy</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">Angelo</namePart><namePart type="family">De Lollis</namePart><affiliation>Cremascoli Ortho, Milano, Italy</affiliation><role><roleTerm type="text">author</roleTerm></role></name><typeOfResource>text</typeOfResource><genre type="research-article" displayLabel="Full-length article" authority="ISTEX" authorityURI="https://content-type.data.istex.fr" valueURI="https://content-type.data.istex.fr/ark:/67375/XTP-1JC4F85T-7">research-article</genre><originInfo><publisher>ELSEVIER</publisher><dateIssued encoding="w3cdtf">2001</dateIssued><dateModified encoding="w3cdtf">2000-03-20</dateModified><copyrightDate encoding="w3cdtf">2001</copyrightDate></originInfo><language><languageTerm type="code" authority="iso639-2b">eng</languageTerm><languageTerm type="code" authority="rfc3066">en</languageTerm></language><abstract lang="en">Abstract: This technical note describes a new software environment (HIPCOM design environment, HIDE) for the design of custom-made total hip replacements. These devices are frequently designed using general-purpose mechanical computer-aided design (CAD) programs using a set of bone contours extracted from the computer tomography (CT) images as anatomical reference. On the contrary, the HIDE system was developed to let the operator directly design the stem shape onto the CT images in a single-step operation. The operator can directly import CT data in DICOM format or use special functions to reconvert to a digital stack, the CT images printed on a radiological film. Once the stack of CT images is loaded, the operator can design the implant shape by imposing control sections directly on the CT images. The interpolation of these control sections produces the basic 3D shape of the custom-made stem. The shape is then exported to the CAD–computer-aided manufacturing (CAM) program to refine the design and to generate the part program to manufacture the implant with a CNC tooling machine. Using HIDE, the duration of design steps it affected was reduced by more than 50% with respect to the standard method in use at the manufacturer site. HIDE also improved the accuracy and the repeatability of the whole procedure. The learning curve became flat after only ten cases. These good results were achieved because of the integration of the vectorial description of the prosthetic component with the raster description of the CT data that allowed the designer to use all details available in the CT images.</abstract><note type="content">Fig. 1: The two basic shapes available, a section made of two circles connected by two tangent segments (top); and a simpler circular section (bottom).</note><note type="content">Fig. 2: An aggregate view of the stack window (right) and two slices (left). In the slices, the two basic shapes for the stem design are represented, a double centre shape (top); and a circle (bottom).</note><note type="content">Fig. 3: Full 3-D navigation tool of the stem in the host bone morphology.</note><note type="content">Fig. 4: An example of the contact map between stem and cortical bone.</note><note type="content">Table 1: Comparison between the manual process times and HIDE times average on 20 CMP designs</note><subject lang="en"><genre>Keywords</genre><topic>Custom prosthesis</topic><topic>Design environment</topic><topic>Software interface</topic></subject><relatedItem type="host"><titleInfo><title>Computer Methods and Programs in Biomedicine</title></titleInfo><titleInfo type="abbreviated"><title>COMM</title></titleInfo><genre type="journal" authority="ISTEX" authorityURI="https://publication-type.data.istex.fr" valueURI="https://publication-type.data.istex.fr/ark:/67375/JMC-0GLKJH51-B">journal</genre><originInfo><publisher>ELSEVIER</publisher><dateIssued encoding="w3cdtf">200102</dateIssued></originInfo><identifier type="ISSN">0169-2607</identifier><identifier type="PII">S0169-2607(00)X0052-1</identifier><part><date>200102</date><detail type="volume"><number>64</number><caption>vol.</caption></detail><detail type="issue"><number>2</number><caption>no.</caption></detail><extent unit="issue-pages"><start>77</start><end>152</end></extent><extent unit="pages"><start>137</start><end>144</end></extent></part></relatedItem><identifier type="istex">37EA82F035C31EF21A2DAF1DBB92ABC33B6B9AF0</identifier><identifier type="ark">ark:/67375/6H6-0XZWFM01-T</identifier><identifier type="DOI">10.1016/S0169-2607(00)00097-3</identifier><identifier type="PII">S0169-2607(00)00097-3</identifier><accessCondition type="use and reproduction" contentType="copyright">©2001 Elsevier Science Ireland Ltd</accessCondition><recordInfo><recordContentSource authority="ISTEX" authorityURI="https://loaded-corpus.data.istex.fr" valueURI="https://loaded-corpus.data.istex.fr/ark:/67375/XBH-HKKZVM7B-M">elsevier</recordContentSource><recordOrigin>Elsevier Science Ireland Ltd, ©2001</recordOrigin></recordInfo></mods><json:item><extension>json</extension><original>false</original><mimetype>application/json</mimetype><uri>https://api.istex.fr/document/37EA82F035C31EF21A2DAF1DBB92ABC33B6B9AF0/metadata/json</uri></json:item></metadata><serie></serie></istex></record>Pour manipuler ce document sous Unix (Dilib)
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