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intraoral discluder device and method for preventing migraine and tension

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Patents Publication number US6666212 B2 Publication type Grant Application number US 10/033,693 Publication date Dec 23, 2003 Filing date Dec 27, 2001 Priority date Dec 14, 2001 Fee status Paid Also published as US20030116164, 4 More » Inventors James P. Boyd, Sr. Original Assignee James P. Boyd, Sr. Export Citation BiBTeX, EndNote, RefMan Patent Citations (30), Referenced by (13), Classifications (12), Legal Events (5) External Links: USPTO, USPTO Assignment, Espacenet CLAIMS (20) I claim: 1. A semicustom intraoral discluder device comprising: a prefabricated trough defining a first axis and having a front wall and a rear wall sized and configured to accommodate at least one upper or lower incisor, wherein the front wall is disposed is adjacent to the front of the incisor when the trough is in the wearer's mouth; and a protrusion attached to the trough and projecting anteriorly from the front wall of the trough and posteriorly from the rear wall of the trough when the trough is in the wearer's mouth, wherein the protrusion defines a second axis generally perpendicular to the first axis of the trough, and wherein the protrusion is sized and configured to prevent contact between opposing upper and lower teeth, including when the mandible is in a protrusive position or a retrusive position. 2. The intraoral discluder device according to claim 1, and further comprising a quantity of adaptable material disposed within the trough and adapted to conform to the shape of the incisor, to assist in retaining the device in the wearer's mouth. 3. The intraoral discluder device according to claim 2, and further comprising means for retaining the adaptable material within the trough. 4. The intraoral discluder device according to claim 3, wherein the means for retaining includes one or more cutouts formed in a wall of the trough. 5. The intraoral discluder device according to claim 2, wherein the means for retaining is selected from the group consisting of a mechanical undercut in a wall of the trough, an adhesive, and natural Intraoral discluder device and method for preventing migraine and tension headaches and temporomandibular disorders US 6666212 B2 ABSTRACT A semicustom intraoral discluder device for preventing chronic tension and common migraine headaches and temporomandibular disorders that are caused or perpetuated by chronic activity of the temporalis muscle. The discluder includes a trough, contoured to encompass at least one maxillary or mandibular incisor, from which extends a protrusion, typically of a dome shape. The trough can be retained on the teeth by any adaptable material which can flow around the teeth and then maintain its shape. The adaptation of the retentive material can be performed by the end user, health care provider, or anyone trained in the art. Once in place in the wearer's mouth, one or two opposing incisor teeth will come into contact with the protrusion prior to the upper and lower posterior and/or canine teeth coming into contact, regardless of the position of the mandible, thereby reducing the intensity of the activity of the temporalis muscle. DESCRIPTION BACKGROUND OF THE INVENTION The present invention relates generally to intraoral devices and, more particularly, to an intraoral discluder device for use in relieving tension headaches, common migraine headaches, and temporomandibular disorders. Tension and muscle contraction headaches affect many people every day. The headaches are often recurring and, without effective treatment, can become very painful, restricting an individual's ability to think clearly and function effectively. The discomfort associated with tension and muscle contraction headaches is usually due to pain from strained and fatigued muscles of the head. The majority of the muscles of the human head are not sufficiently strong to elicit the type of pain and discomfort associated with tension and muscle contraction headaches. That is not the case with the temporalis muscle, however, which is located on the side of the skull and extends from just behind the eye to just behind the ear, and which is an extremely powerful muscle that functions to close or elevate the jaw. Under normal circumstances, the temporalis muscle should not exert a large static force by contracting isometrically, except possibly during normal chewing. Inappropriate isometric contraction of temporalis muscle is commonly known as “clenching” and clinically known as myofascial dysfunction. Unfortunately, myofacial dysfunction is particularly difficult to detect or diagnose because the act of clenching is a relatively motionless act that is commonly done while a person is concentrating on another topic, or while sleeping. As the muscular contraction condition of “clenching” continues, the muscle becomes fatigued and susceptible to spasm and cramping. The pain from spasming and cramping temporalis fibers is severe and is usually diagnosed as a common migraine. Individuals suffering from headaches, who seek the assistance of a physician, are usually treated with muscle relaxants, analgesics, Find prior art Discuss this patent View PDF Download PDF IMAGES (3) Application Grant +saurav…

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  • 3/13/2015 PatentUS6666212Intraoraldiscluderdeviceandmethodforpreventingmigraineandtension...GooglePatents

    http://www.google.com/patents/US6666212 1/6

    Patents

    Publicationnumber US6666212B2Publicationtype GrantApplicationnumber US10/033,693Publicationdate Dec23,2003Filingdate Dec27,2001Prioritydate Dec14,2001Feestatus Paid

    Alsopublishedas US20030116164,4More

    Inventors JamesP.Boyd,Sr.

    OriginalAssignee JamesP.Boyd,Sr.

    ExportCitation BiBTeX,EndNote,RefMan

    PatentCitations(30),Referencedby(13),Classifications(12),LegalEvents(5)

    ExternalLinks:USPTO,USPTOAssignment,Espacenet

    CLAIMS (20)

    Iclaim:

    1.Asemicustomintraoraldiscluderdevicecomprising:

    aprefabricatedtroughdefiningafirstaxisandhavingafrontwallandarearwallsizedandconfiguredtoaccommodateatleastoneupperorlowerincisor,whereinthefrontwallisdisposedisadjacenttothefrontoftheincisorwhenthetroughisinthewearer'smouthand

    aprotrusionattachedtothetroughandprojectinganteriorlyfromthefrontwallofthetroughandposteriorlyfromtherearwallofthetroughwhenthetroughisinthewearer'smouth,whereintheprotrusiondefinesasecondaxisgenerallyperpendiculartothefirstaxisofthetrough,andwhereintheprotrusionissizedandconfiguredtopreventcontactbetweenopposingupperandlowerteeth,includingwhenthemandibleisinaprotrusivepositionoraretrusiveposition.

    2.Theintraoraldiscluderdeviceaccordingtoclaim1,andfurthercomprisingaquantityofadaptablematerialdisposedwithinthetroughandadaptedtoconformtotheshapeoftheincisor,toassistinretainingthedeviceinthewearer'smouth.

    3.Theintraoraldiscluderdeviceaccordingtoclaim2,andfurthercomprisingmeansforretainingtheadaptablematerialwithinthetrough.

    4.Theintraoraldiscluderdeviceaccordingtoclaim3,whereinthemeansforretainingincludesoneormorecutoutsformedinawallofthetrough.

    5.Theintraoraldiscluderdeviceaccordingtoclaim2,whereinthemeansforretainingisselectedfromthegroupconsistingofamechanicalundercutinawallofthetrough,anadhesive,andnatural

    IntraoraldiscluderdeviceandmethodforpreventingmigraineandtensionheadachesandtemporomandibulardisordersUS6666212B2

    ABSTRACT

    Asemicustomintraoraldiscluderdeviceforpreventingchronictensionandcommonmigraineheadachesandtemporomandibulardisordersthatarecausedorperpetuatedbychronicactivityofthetemporalismuscle.Thediscluderincludesatrough,contouredtoencompassatleastonemaxillaryormandibularincisor,fromwhichextendsaprotrusion,typicallyofadomeshape.Thetroughcanberetainedontheteethbyanyadaptablematerialwhichcanflowaroundtheteethandthenmaintainitsshape.Theadaptationoftheretentivematerialcanbeperformedbytheenduser,healthcareprovider,oranyonetrainedintheart.Onceinplaceinthewearer'smouth,oneortwoopposingincisorteethwillcomeintocontactwiththeprotrusionpriortotheupperandlowerposteriorand/orcanineteethcomingintocontact,regardlessofthepositionofthemandible,therebyreducingtheintensityoftheactivityofthetemporalismuscle.

    DESCRIPTION

    BACKGROUNDOFTHEINVENTION

    Thepresentinventionrelatesgenerallytointraoraldevicesand,moreparticularly,toanintraoraldiscluderdeviceforuseinrelievingtensionheadaches,commonmigraineheadaches,andtemporomandibulardisorders.

    Tensionandmusclecontractionheadachesaffectmanypeopleeveryday.Theheadachesareoftenrecurringand,withouteffectivetreatment,canbecomeverypainful,restrictinganindividual'sabilitytothinkclearlyandfunctioneffectively.Thediscomfortassociatedwithtensionandmusclecontractionheadachesisusuallyduetopainfromstrainedandfatiguedmusclesofthehead.Themajorityofthemusclesofthehumanheadarenotsufficientlystrongtoelicitthetypeofpainanddiscomfortassociatedwithtensionandmusclecontractionheadaches.Thatisnotthecasewiththetemporalismuscle,however,whichislocatedonthesideoftheskullandextendsfromjustbehindtheeyetojustbehindtheear,andwhichisanextremelypowerfulmusclethatfunctionstocloseorelevatethejaw.

    Undernormalcircumstances,thetemporalismuscleshouldnotexertalargestaticforcebycontractingisometrically,exceptpossiblyduringnormalchewing.Inappropriateisometriccontractionoftemporalismuscleiscommonlyknownasclenchingandclinicallyknownasmyofascialdysfunction.Unfortunately,myofacialdysfunctionisparticularlydifficulttodetectordiagnosebecausetheactofclenchingisarelativelymotionlessactthatiscommonlydonewhileapersonisconcentratingonanothertopic,orwhilesleeping.

    Asthemuscularcontractionconditionofclenchingcontinues,themusclebecomesfatiguedandsusceptibletospasmandcramping.Thepainfromspasmingandcrampingtemporalisfibersissevereandisusuallydiagnosedasacommonmigraine.Individualssufferingfromheadaches,whoseektheassistanceofaphysician,areusuallytreatedwithmusclerelaxants,analgesics,

    Findpriorart Discussthispatent ViewPDF DownloadPDF

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    Application Grant

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    https://plus.google.com/u/0/stream/all?hl=enhttps://plus.google.com/u/0/me?tab=tX&authuser=0http://www.google.com/patents/US6666212.bibtexhttp://www.google.com/intl/en/options/https://plus.google.com/u/0/?tab=tXhttp://patentimages.storage.googleapis.com/US6666212B2/US06666212-20031223-D00001.pnghttp://www.google.com/url?id=ZeljBAABERAJ&q=http://patft.uspto.gov/netacgi/nph-Parser%3FSect2%3DPTO1%26Sect2%3DHITOFF%26p%3D1%26u%3D/netahtml/PTO/search-bool.html%26r%3D1%26f%3DG%26l%3D50%26d%3DPALL%26RefSrch%3Dyes%26Query%3DPN/6666212&usg=AFQjCNFuIHgM9R6RtN5x2KuTvH0atATHughttp://www.google.com/patentshttp://patentimages.storage.googleapis.com/US6666212B2/US06666212-20031223-D00000.pnghttp://www.google.com/patents/US6666212.enwhttp://www.google.com/search?tbo=p&tbm=pts&hl=en&q=ininventor:%22James+P.+Boyd,+Sr.%22http://www.google.com/url?id=ZeljBAABERAJ&q=http://assignment.uspto.gov/&usg=AFQjCNHoPWssUj8g7I7ZvJp8SPCTncwUEQ#/search?q=6666212http://www.google.com/url?id=ZeljBAABERAJ&q=http://worldwide.espacenet.com/publicationDetails/biblio%3FCC%3DUS%26NR%3D6666212B2%26KC%3DB2%26FT%3DD&usg=AFQjCNGuiSGSxvSXi-moXTaxDVG2MANJsQhttp://patentimages.storage.googleapis.com/US6666212B2/US06666212-20031223-D00002.pnghttp://www.google.com/patents/US6666212?hl=en&output=html_texthttp://www.google.com/webhp?hl=en&tab=tt&authuser=0http://www.google.com/patents/US6666212.rishttp://www.google.com/search?tbo=p&tbm=pts&hl=en&q=inassignee:%22James+P.+Boyd,+Sr.%22http://www.google.com/patents/US20030116164

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    attractionoftheadaptablematerialtothetrough.

    6.Theintraoraldiscluderdeviceaccordingtoclaim1,whereinthetroughandtheprotrusionbotharefabricatedfromabiocompatiblematerial.

    7.Theintraoraldiscluderdeviceaccordingtoclaim1,whereintheprotrusioncomprisesapluralityoftabsthatincreasethedistancefromatleastoneopposingincisortothetrough.

    8.Theintraoraldiscluderdeviceaccordingtoclaim1,whereintheprotrusionisconfigurednottomovewhencontactedbyatleastoneopposingincisor.

    9.Theintraoraldiscluderdeviceaccordingtoclaim1,whereintheprotrusionhasalengthintheanterior/posteriordirectionintherangeofabout8mmtoabout12mm.

    10.Theintraoraldiscluderdeviceaccordingtoclaim9,whereintheprotrusionprojectsanteriorlyfromthefrontwallbyatleastabout3mm.

    11.Amethodforusingasemicustomintraoraldiscluderdevice,comprisingthestepsof:

    providingasemicustomintraoraldiscluderdevicethatincludes

    atroughdefiningafirstaxisandhavingafrontwallandarearwallsizedandconfiguredtoaccommodateatleastoneupperorlowerincisor,whereinthefrontwallisdisposedadjacenttothefrontoftheincisorandtherearwallisdisposedadjacenttotherearoftheincisorwhenthetroughisinthewearer'smouth,and

    aprotrusionattachedtothetroughandprojectinganteriorlyfromthefrontwallofthetroughandaposteriorlyfromtherearwallofthetroughwhenthetoughisinthewearer'smouth,whereintheprotrusiondefinesasecondaxisgenerallyperpendiculartothefirstaxisofthetrough,andwhereintheprotrusionissizedandconfiguredtopreventcontactbetweenopposingupperandlowerteethand

    placingtheintraoraldiscluderdeviceonatleastoneofthewearer'supperorlowerincisorssothattheprotrusionwillcontactatleastoneopposingincisortoothpriortocontactbetweenupperandlowerteeth,includingwhenthemandibleisinaprotrusivepositionoraretrusiveposition.

    12.Themethodaccordingtoclaim11,andfurtherincludingastepofplacingaquantityofadaptablematerialintothetrough,suchmaterialconformingtotheshapeoftheatleastoneupperorlowerincisor,therebyassistinginretainingthedeviceinthewear'smouth.

    13.Themethodaccordingtoclaim12,whereinthesemicustomintraoraldiscluderdeviceprovidedinthestepofprovidingfurtherincludesmeansforretainingtheadaptablematerialwithinthetrough.

    14.Theintraoraldiscluderdeviceaccordingtoclaim13,whereinthemeansforretainingisselectedfromthegroupconsistingofoneormorecutoutsformedinawallofthetrough,amechanicalundercutinawallofthetrough,anadhesive,andnaturalattractionoftheadaptablematerialtothetrough.

    15.Themethodaccordingtoclaim11,whereinthetroughandprotrusionarefabricatedfromabiocompatiblematerial.

    16.Themethodaccordingtoclaim11,andfurtherincludingastepofsecuringatleastoneprefabricatedtabtotheprotrusion,toincreasethedistancefromatleastoneopposingincisortothetrough.

    17.Themethodaccordingtoclaim11,whereintheprotrusionisconfigurednottomovewhencontactedbyatleastoneopposingincisor.

    18.Themethodaccordingtoclaim11,whereintheprotrusionhasalengthintheanterior/posteriordirectionintherangeofabout8mmtoabout12mm.

    andphysicaltherapyforthemusclefatigue.However,medicationsandtherapyrequirecontinualtreatmentandtreatonlythesymptomsoftheunderlyingproblemandnottheproblemitself.

    Personssufferingfromheadaches,whoseektheassistanceofadentist,commonlywillbediagnosedwithatemporomandibulardisorderandtreatedwithanintraoraljawpositioningappliance.Unfortunately,theintraoralappliancesprovidedbydentistsusuallyarenotentirelyeffective,becausetheyonlyapproximatetherelativepositionsoftheupperandlowerteethwithrespecttoeachother,allowingclenchingtocontinuewithminimalmandibularmovement.Further,theseintraoralappliancesordinarilycannotbeusedwithpatientswhohavemalocclusions,protrusionsorretrusionsofthemandible,orotherirregularteethormandibularorientations.Typically,theintraoralappliancemustalsobefabricatedbyadentistataprohibitivecosttoamajorityofindividualswhosufferfromtensionandcommonmigraineheadaches.Lastly,mostintraoraljawpositioningappliancesandothertypesofsemicustomintraoraldiscluderscanonlybeusedontheupperteeth.However,insomecircumstances,useofthedeviceontheupperteethisimpossibleduetomalocclusionsandirregularorientationoftheteeth.

    Itshouldbeapparentfromtheforegoingdiscussion,thatthereisneedforamoreeffectivesemicustomintraoraldevicethatcanbeusedwithvariousteethandjaworientationsandthatcanbeplacedoneithertheupperteethorthelowerteethtopreventcontactoftheupperandlowerteethinallmandibularmovements.Bypreventingcontactoftheupperandlowerteeth,thesemicustomintraoraldiscluderwouldbeabletoinhibitinappropriateisometriccontractionofthetemporalismuscleandtherebypreventtensionandcommonmigraineheadachesandothertemporomandibulardisorders.Thepresentinventionsatisfiesthisneed.

    SUMMARYOFTHEINVENTION

    Theabovenotedproblems,andothers,areovercomeinaccordancewiththisinventionbyasmallsemicustomintraoraldiscluderdevicethatcanbeusedwithvariousteethandjaworientationsandthatcanbeplacedoneithertheupperteethorthelowerteeth,topreventcontactofopposingupperandlowerteeth.Bypreventingcontactoftheupperandlowerteeth,thesemicustomintraoraldiscluderdeviceinhibitsinappropriateisometriccontractionofthetemporalismuscle,therebypreventingtensionandcommonmigraineheadachesandothertemporomandibulardisorders.

    Theintraoraldiscluderdeviceoftheinventionincludesaprefabricatedtrough,havingafrontwallandarearwall.Extendingasubstantiallydistanceanteriorlyandposteriorlyfromthetroughisaprotrusion,typicallydomeshaped,thatextendssuchthatasthelowerjawiselevated,theedgeoftheopposingincisororincisorscomesintocontactwiththecontactsurfaceoftheprotrusionpriortotheopposingupperandlowerteethcomingintocontact.Thecontactsurfaceoftheprotrusionpreventstheupperandlowerteethfromcontactingeachother,regardlessoftheprotrusive,retrusive,orexcursivepositionofthemandibleortheteethoranymandibularmovementandsuppressesisometriccontractionofthetemporalismuscle.Theprotrusioncanbefurthermodifiedbythepractitionerorwearertoaccommodateforanyunusualorextrememandibularmovementsorteethorientations.

    Ifnecessary,thetroughcanbefilledwithanadaptablematerialthatconformstotheshapeoftheincisorsandassistsinretainingthetroughontheupperorlowerincisors.Inaddition,meanscanbeprovidedforenhancingretentionoftheadaptablematerialwithinthetrough.Suchretainingmeanscantaketheformofoneormorecutoutsformedinawallofthetrough,amechanicalundercutinawallofthetrough,anadhesive,and/ornaturalattractionoftheadaptablematerialtothetrough.

    Inother,moredetailedfeaturesoftheinvention,theprotrusionpreferablyhasalengthintheanterior/posteriordirectionintherangeofabout8mmtoabout12mm.Further,theprotrusionpreferablyprojectsanteriorlyfromthefrontwallbyatleastabout3mm.

    Otherfeatures,andadvantagesofthepresentinventionshouldbecomeapparentfromthefollowingdescriptionofthepreferredembodiments,takeninconjunctionwiththeaccompanyingdrawings,whichillustrate,bywayofexample,the

  • 3/13/2015 PatentUS6666212Intraoraldiscluderdeviceandmethodforpreventingmigraineandtension...GooglePatents

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    19.Themethodaccordingtoclaim11,whereintheprotrusionprojectsanteriorlyfromthefrontwallbyatleastabout3mm.

    20.Asemicustomintraoraldiscluderdevicecomprising:

    aprefabricatedtroughdefiningafirstaxisandhavingafrontwallandarearwallsizedandconfiguredtoaccommodateatleastoneupperorlowerincisor,whereinthefrontwallisdisposedisadjacenttothefrontoftheincisorwhenthetroughisinthewearer'smouth

    aquantityofadaptablematerialdisposedwithinthetroughandadaptedtoconformtotheshapeoftheincisor,toassistinretainingthedeviceinthewearer'smouth

    meansforretainindtheadaptablematerialwithinthetroughand

    aprotrusionattachedtothetroughandprojectinganteriorlyfromthefrontwallofthetroughandposteriorlyfromtherearwallofthetroughwhenthetroughisinthewearer'smouth

    whereinthetrough,theadaptablematerial,andtheprotrusionallareformedofabiocompatiblematerial

    whereintheprotrusionhasalengthintheanterior/posteriordirectionintherangeofabout8mmtoabout12mm,andwhereintheprotrusionprojectsanteriorlyfromthefrontwallofthetroughbyatleastabout3mm,andwhereintheprotrusiondefinesasecondaxisgenerallyperpendiculartothefirstaxisofthetrough,andwhereintheprotrusionissizedandconfiguredtopreventcontactbetweenopposingupperandlowerteeth,includingwhenthemandibleisinaprotrusivepositionoraretrusiveposition.

    principlesoftheinvention.

    BRIEFDESCRIPTIONOFTHEDRAWINGS

    Embodimentsofthepresentinventionwillnowbedescribed,bywayofexampleonly,withreferencetothefollowingdrawingsinwhich:

    FIG.1isaschematicsideelevationviewofthehumanskullwithapreferredembodimentofasemicustomintraoraldiscluderoftheinventionpositionedoverthemaxillaryteeth.

    FIG.2isaperspectiveviewoftheintraoraldiscluderofFIG.1.

    FIG.3isafrontelevationalviewoftheintraoraldiscluderofFIG.2,inplaceoverthemaxillaryteeth,opposingthemandibularincisors.

    FIG.4isafrontelevationalviewoftheintraoraldiscluderofFIG.2,inplaceoverthemandibularteeth,opposingthemaxillaryincisors.

    FIG.5isasidesectionalviewoftheintraoraldiscluderofFIG.2,inplaceoveramaxillaryincisorwithanadaptablematerialconformingtotheshapeofthemaxillaryincisor,opposingamandibularincisor,withthemandibularincisorshowninbothaprotrusiveandaretrusiveposition.

    FIG.6isasidesectionalviewoftheintraoraldiscluderofFIG.2,inplaceoveramandibularincisorwithanadaptablematerialconformingtotheshapeofthemandibularincisor,opposingamaxillaryincisor,withthemandibleinaretrudedposition.

    FIG.7isasidesectionalviewoftheintraoraldiscluderofFIG.2,similartotheviewofFIG.6,butwiththemandibleinaprotrudedposition.

    FIG.8isaperspectiveviewofanalternativeembodimentofasemicustomintraoraldiscluderinaccordancewiththeinvention,includingatroughfilledwithanadaptivematerial,aprotrusion,andoneextendingtabplacedontheprotrusionandanotherextendingtabalignedforplacementonthefirstextendingtab.

    FIG.9isaperspectiveviewofanotheralternativeembodimentofasemicustomintraoraldiscluderinaccordancewiththeinvention,thisembodimentdifferingfromthediscluderembodimentofFIG.2inthatthefrontwallofitstroughincludescutoutsforenhancingretentionoftheadaptablematerial.

    DETAILEDDESCRIPTIONOFTHEPREFERREDEMBODIMENTS

    Withreferencenowtotheexemplarydrawings,andparticularlytoFIGS.1and2,thereisshownasemicustomintraoraldiscluder2inaccordancewiththeinvention,whichfunctionstopreventtensionandcommonmigraineheadachesandtemporomandibulardisorders.WithparticularreferencetoFIG.1,aschematicrepresentationofahumanskull4isshown,whereinthetemporalismuscle6extendsfromtheskulltoitsattachment8onthemandible10.Acontractionofthetemporalismusclecausesthejawtoclose.Thediscluderpreventstheupperteeth12andthelowerteeth14fromcontactingeachotherandtherebyinhibitsinappropriatecontractionofthetemporalismuscle.

    Thediscluder2includesatrough22withalabialwall20andaprotrusion18withananteriorcontactsurface16extendingfromthelabialwallofthetrough.Thediscludermaybemadeofanybiocompatiblematerialthatwillholditsform,including,e.g.,polymers,enamels,rubbers,siliconeresins,andanyothermaterialsthatwouldbeknowntobeusedbythoseskilledintheart.Inanalternativeembodiment,theprotrusionandthetroughmaybemadeofdifferentbiocompatiblematerialsselectedfromthesesameexamples.

    FIG.3showstheintraoraldiscluder2inplaceoverthemaxillaryincisors24,withthecontactsurface16oftheprotrusion18contactingtheopposingmandibularincisors26whenthemandible10elevates.Thecontactsurfaceispositionedasufficientdistanceawayfromthetrough22topreventtheopposingupperteeth12andlowerteeth14fromcontactingeachother.Typically,thisdistanceisontheorderofseveralmillimeters.

    WithreferencenowtoFIG.5,thetrough22oftheintraoraldiscluder2isdefinedbyafrontwall28andarearwall30.Anadaptivematerial32canoptionallybedisposedwithinthetrough,forconformingengagementwiththemaxillaryincisors24.Thisadaptivematerialmaybemadeofanytypeofmaterialthatconformsandretainsitsshape,including,e.g.,siliconeresins,polymers,enamels,rubbers,andanyothermaterialthatwouldbeknowntobeusedbythoseskilledintheart.Thismaterialaidsinprovidingacomfortableanddurableengagementbetweenthediscluderandtheincisors.

    Inonefeatureoftheinvention,theprotrusion18projectsbothanteriorlyandposteriorlyfromthetrough22.Thisensuresthattheopposingmandibularincisors26willcontactthecontactsurface16oftheprotrusion18regardlessofwhetherthemandibleisinaprotrusivepositionoraretrusiveposition.ThesetwopositionsaredepictedinFIG.5,withthemandibularincisorbeingidentifiedbythereferencenumeral26whenitisinaprotrusivepositionandbythereferencenumeral26whenitisinaretrusiveposition.Preferably,theprotrusionhasalengthintheanterior/posteriordirectionintherangeofabout8mmtoabout12mm.Itprojectsanteriorlyfromthefrontwall28ofthetroughbyatleastabout3mm.

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    Alternatively,asshowninFIG.4,theintraoraldiscluder2canbeplacedoverthemandibularincisors26,withthecontactsurface16oftheprotrusion18contactingtheopposingmaxillaryincisors24whenthemandible10elevates.Asinthecasewhenthediscluderisplacedoverthemaxillaryincisors,thispreventstheopposingupperandlowerteeth12,14fromcontactingeachother.

    FIGS.6and7showthediscluder2positionedonthemandibularincisors,withitstrough22beingheldinplacebytheadaptivematerial32aroundthemandibularincisor26.InFIG.6,theopposingmaxillaryincisor24contactsananteriorportionofthecontactsurface16oftheprotrusion18whenthemandibleisinaretrusiveposition.InFIG.7,ontheotherhand,theopposingmaxillaryincisorcontactsaposteriorportionofthecontactsurfacewhenthemandibleisinaprotrusiveposition.

    Analternativeembodimentofasemicustomintraoraldiscluder2inaccordancewiththeinventionisdepictedinFIG.8.Itincludesatrough22andaprotrusion18projectingbothanteriorlyandposteriorlyfromthetrough.Anadaptivematerial32isdisposedwithinthetrough,andtwoextendingtabs36,38areincludedforplacementontheprotrusion,toincreasethedistanceofthecontactingsurface16fromthetrough.Theextendingtab36isshownsecuredtotheprotrusion,andtheextendingtab38isshowninalignmentwiththetab36.Thesetabsareselectivelyusedifthewearer'smouthisconfiguredsuchthattheupperteeth12andthelowerteeth14contacteachotherbeforetheopposingincisors24or26contacttheprotrusion.Thewearerorpractitionercanselectivelyadhereoneormoreoftheseextensiontabstotheoccludingfaceoftheprotrusiontoincreasethedistancebetweenthecontactsurfaceandthetrough.Theextensiontabsmaybemadeofanysuitablebiocompatiblematerial,including,e.g.,siliconeresins,polymers,enamels,rubbers,andanyothermaterialknowntothoseskilledintheart.Theextensiontabsmaybeadheredtotheentireprotrusion,asshown,ortoonlyaportionoftheprotrusion.Theextensiontabsmaybeadheredbyanysuitablemethod,including,e.g.,adhesives,cutouts,prefabricatedsnapinplacepieces,naturalattraction,adhesion,orotheranyothersuitablemethodknowntothoseskilledintheart.

    Anotheralternativeembodimentofasemicustomintraoraldiscluder2inaccordancewiththeinventionisdepictedinFIG.9.Thisdiscluderincludesatrough22andaprotrusion18projectingbothanteriorlyandposteriorlyfromthetrough,andanadaptivematerial32isdisposedwithinthetrough.Thisdiscluderfurtherincludesthreecircularcutouts40inthetrough'sfrontwall28,forenhancingtheretentionoftheadaptivematerialwithinthetrough.Otherstructuresforenhancingretentionoftheadaptivematerialcouldincludemechanicalundercuts,adhesives,and/ornaturalattractionoftheadaptablematerialtothetrough.

    Itshouldbeevidentfromthedrawingsandthediscussionabovethatthesemicustomintraoraldiscluder2oftheinventionmaybeusedoneithertheupperteeth12orlowerteeth14andwithvariousteethandjaworientations,topreventtheupperteethandlowerteethfromcontactingeachotherandcausinginappropriateisometriccontractionsofthetemporalismuscle6.Theintraoralsemicustomdiscluderoftheinventionpreventstensionandcommonmigraineheadachesandtemporomandibulardisordersthatresultfrominappropriateisometriccontractionofthetemporalismuscle.

    Althoughtheinventionhasbeendescribedindetailwithreferencetothepresentlypreferredembodiments,thoseofordinaryskillintheartwillappreciatethatvariousmodificationscanbemadewithoutdepartingfromtheinvention.Accordingly,theinventionisdefinedonlybythefollowingclaims.

    PATENT CITATIONS

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  • 3/13/2015 PatentUS6666212Intraoraldiscluderdeviceandmethodforpreventingmigraineandtension...GooglePatents

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    REFERENCED BY

    CitingPatent Filingdate Publicationdate Applicant TitleUS7214064* Jan29,2004 May8,2007 TracyHall Implementforspeechtherapy

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    US8082923 Feb13,2009 Dec27,2011RandmarkDentalProducts,LLC

    Intraoraldevice

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    US8656926* Dec19,2011 Feb25,2014 MarcDoctorsIntraoraldeviceandmethodofrelievinghead,neck,facial,jointandtoothpain

    US8752554* Jun1,2010 Jun17,2014DavidL.Spainhower

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    US20110171592* Sep30,2009 Jul14,2011 ElsaWittbold MethodofDirectFabricationofIntraoralDevices

    US20110290261* Jun1,2010 Dec1,2011 DavidSpainhowerMouthguardsfortreatingoftemporomandibulardisorderandassociatedmethods

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    CLASSIFICATIONS

    U.S.Classification 128/859,128/861,433/41

    InternationalClassification A61C3/00,A61C5/14,A61F5/56,A61K

    CooperativeClassification A61F2005/563,A61F5/566,A61C7/36

    EuropeanClassification A61C7/36,A61F5/56B

    LEGAL EVENTS

    Date Code Event Description

    Jun23,2011 FPAY Feepayment Yearoffeepayment:8

    Jul14,2010 AS Assignment

    Ownername:BOYDRESEARCH,INC.,CALIFORNIAFreeformattext:ASSIGNMENTOFASSIGNORSINTERESTASSIGNOR:BOYD,JAMESP.REEL/FRAME:24678/874Effectivedate:20100714Ownername:BOYDRESEARCH,INC.,CALIFORNIA

    http://www.google.com/patents/US5033480http://www.google.com/url?id=ZeljBAABERAJ&q=http://www.uspto.gov/web/patents/classification/uspc128/defs128.htm&usg=AFQjCNGjl9q_l-XTxZ44q3zsgsK3JYPF-w#C128S861000http://www.google.com/patents/US7654267http://www.google.com/patents/US7214064http://www.google.com/patents/US20110290261http://www.google.com/url?id=ZeljBAABERAJ&q=http://web2.wipo.int/ipcpub/&usg=AFQjCNER44F5jlVoswCkvW3YEcB5lW4moA#refresh=page&notion=scheme&version=20130101&symbol=A61F0005560000http://www.google.com/patents/WO2011100355A1?cl=enhttp://www.google.com/url?id=ZeljBAABERAJ&q=http://worldwide.espacenet.com/classification&usg=AFQjCNGs5WqSrPE3A4ZP63zGuM6PRNfEFA#!/CPC=A61F5/566http://www.google.com/patents/US5513656http://www.google.com/patents/US8752554http://www.google.com/url?id=ZeljBAABERAJ&q=http://www.uspto.gov/web/patents/classification/uspc128/defs128.htm&usg=AFQjCNGjl9q_l-XTxZ44q3zsgsK3JYPF-w#C128S859000http://www.google.com/patents/US7607438http://www.google.com/patents/US8082923http://www.google.com/patents/US7730891http://www.google.com/url?id=ZeljBAABERAJ&q=http://www.uspto.gov/web/patents/classification/uspc433/defs433.htm&usg=AFQjCNH2MJSBdks61CwnFgk55hBVMiujmQ#C433S041000http://www.google.com/patents/US8186356http://www.google.com/url?id=ZeljBAABERAJ&q=http://worldwide.espacenet.com/classification&usg=AFQjCNGs5WqSrPE3A4ZP63zGuM6PRNfEFA#!/CPC=A61F2005/563http://www.google.com/patents/US20110171592http://www.google.com/patents/US5277203http://www.google.com/patents/US5085584http://www.google.com/patents/US5795150http://www.google.com/url?id=ZeljBAABERAJ&q=http://web2.wipo.int/ipcpub/&usg=AFQjCNER44F5jlVoswCkvW3YEcB5lW4moA#refresh=page&notion=scheme&version=20130101&symbol=A61C0005140000http://www.google.com/patents/US5503552http://www.google.com/patents/US5092346http://www.google.com/patents/US5779470http://www.google.com/patents/US5554665http://www.google.com/patents/US5624257http://www.google.com/patents/US8656926http://www.google.com/patents/US5067896http://www.google.com/url?id=ZeljBAABERAJ&q=http://worldwide.espacenet.com/classification&usg=AFQjCNGs5WqSrPE3A4ZP63zGuM6PRNfEFA#!/CPC=A61C7/36http://www.google.com/url?id=ZeljBAABERAJ&q=http://web2.wipo.int/ipcpub/&usg=AFQjCNER44F5jlVoswCkvW3YEcB5lW4moA#refresh=page&notion=scheme&version=20130101&symbol=A61C0003000000http://www.google.com/patents/US20120118298http://www.google.com/patents/US5885073http://www.google.com/url?id=ZeljBAABERAJ&q=http://web2.wipo.int/ipcpub/&usg=AFQjCNER44F5jlVoswCkvW3YEcB5lW4moA#refresh=page&notion=scheme&version=20130101&symbol=A61Khttp://www.google.com/patents/WO2011103322A1?cl=enhttp://www.google.com/patents/US6231337

  • 3/13/2015 PatentUS6666212Intraoraldiscluderdeviceandmethodforpreventingmigraineandtension...GooglePatents

    http://www.google.com/patents/US6666212 6/6

    Freeformattext:ASSIGNMENTOFASSIGNORSINTERESTASSIGNOR:BOYD,JAMESP.REEL/FRAME:024678/0874

    Jun29,2010 RFReissueapplicationfiled

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    Feb24,2004 CCCertificateofcorrection

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