Source: http://www.google.es/patents/US7008226?dq=flatulence
Timestamp: 2013-05-18 11:45:52
Document Index: 559421891

Matched Legal Cases: ['art 1', 'art 2', 'art 1', 'art 1', 'art 2', 'art 2', 'art 2']

Patente US7008226 - Implant, in particular a dental implant - Google PatentesB�squeda Im�genes Maps Play YouTube Noticias Gmail Drive M�s » B�squeda avanzada de patentes | Historial web | Iniciar sesi�n B�squeda avanzada de patentesPatentesAm implant (1), in particular a dental implant, comprises surface regions (4) of a first type which have osseo-integrative, inflammation-inhibiting, infection-combating and/or growth-promoting properties, and surface regions (8) of a second type which consist of a material which is liquefiable by mechanical...http://www.google.es/patents/US7008226?utm_source=gb-gplus-sharePatente US7008226 - Implant, in particular a dental implant N�mero de publicaci�nUS7008226 B2Tipo de publicaci�nConcesi�n N�mero de solicitud10/417,645 Fecha de publicaci�n7 Mar 2006 Fecha de presentaci�n17 Abr 2003 Fecha de prioridad23 Ago 2002Tambi�n publicado comoCN1688263ACN100506186CEP1530446A1EP1530446B1EP2108331A1EP2108332A1EP2108333A1EP2108334A1US6921264US20040038180US20040053196WO2004017857A1 InventoresMarcel AeschlimannJorg MayerLaurent Torriani Cesionario originalWoodwelding Ag Clasificaci�n de EE.UU.433/173433/174 Clasificaci�n internacionalA61F2/00A61B17/70A61F2/30A61B17/68A61F2/02A61F2/28A61F2/46A61C8/00A61F2/44A61L27/00 Clasificaci�n cooperativaA61L2430/02A61F2002/30784A61F2002/4627A61F2250/003A61F2002/30088A61F2/4611A61B17/68A61F2002/30065A61F2002/30064A61F2/30767A61F2002/30884A61F2/447A61C8/0018A61F2/0077A61C8/0012A61F2210/008A61F2002/30899A61F2002/4683A61C8/0019A61F2002/30067A61F2210/0004A61B17/70A61F2002/30062A61F2210/0071A61C8/0016A61B2017/00955A61F2002/30032A61F2002/4475A61F2002/30878A61F2002/30892 Clasificaci�n europeaA61C 8/00E3A61B 17/68A61C 8/00EA61B 17/70A61F 2/46B7A61F 2/44F6ReferenciasCitas de patentes (99)Otras citas (5) Citada por (21)Enlaces externosUSPTO Cesi�n de USPTO EspacenetImplant, in particular a dental implantUS 7008226 B2 Resumen Am implant (1), in particular a dental implant, comprises surface regions (4) of a first type which have osseo-integrative, inflammation-inhibiting, infection-combating and/or growth-promoting properties, and surface regions (8) of a second type which consist of a material which is liquefiable by mechanical oscillations. The implant is positioned in an opening of e.g. a jawbone and then mechanical oscillations, e.g. ultrasound is applied to it while it is pressed against the jawbone. The liquefiable material is such liquefied at least partly and is pressed into unevennesses and pores of the surrounding bone tissue where after resolidification it forms a positive-fit connection between the implant and the bone tissue. The surface regions of the two types are arranged and dimensioned such that, during implantation, the liquefied material does not flow or flows only very little over the surface regions of the first type such enabling the biologically integrative properties of these surface regions to start acting directly after implantation. The dental implant comprises a central implant part (1) which for example consists of titanium, which comprises at its proximal end a fixation location (3) or an artificial tooth crown, and which forms the surface regions (4) of the first type. Furthermore the implant comprises a peripheral implant part (2) which consists of a liquefiable material and forms the surface regions (8) of the second type. The dental implant achieves with the help of the positive fit a very good (primary) stability which is later taken over by the (secondary) stability of the osseointegration when resorbable liquefiable materials are used or which is supplemented by the stability of osseointegration when non-resorbable liquefiable materials are used.
BACKGROUND OF THE INVENTION Field of the Invention The invention is in the field of medical technology and relates to an implant which is suitable for being implanted in bone issue. More particularly, the implant is a dental implant, which, assuming the function of a natural tooth root, is implanted into a jawbone. For purposes of fastening an artificial tooth crown, a bridge or a tooth prosthesis, the implant comprises at its proximal end a fixation location, which after implantation, is located in the region of the bone surface. The dental implant may represent a complete tooth replacement, i.e., the implant may also have a crown region in addition to a root region to be implanted.
SUMMARY OF THE INVENTION It is therefore the object of the invention to provide an implant suitable for implantation in bone tissue, in particular a dental implant, wherein the implant has a primary stability that is relevantly improved with respect to similar implants according to the state of the art in a manner, such that the implant can be loaded immediately after implantation, or at least significantly earlier after implantation than known implants. Furthermore, the implant according to the invention is to have properties regarding osseointegration such that the above mentioned positive effects on osseointegration effected by early loading can be fully exploited, and at the same time full osseointegration compared with known implants is reduced or delayed to at the most a very low degree. Furthermore, neither the implant according to the invention, nor its implantation is to be significantly more complicated than is the case for implants according to the state of the art.
BRIEF DESCRIPTION OF THE DRAWINGS Exemplary embodiments of the implant according to the invention are described in detail by way of the following Figures. The implants shown in the Figs. and correspondingly described are all dental implants. This does not mean that the invention is restricted to dental implants. The invention also concerns implants that are to be implanted in areas other than jaw bones, where good primary stability combined with unimpaired osseointegration is advantageous and important. Such implants may, for example, be pin shaped implants for stabilizing bone fractures or cracks or for fixing plates or joint prostheses. Of the Figs.:
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS FIGS. 1 and 2A to 2C show an exemplary, pin-like embodiment of the dental implant according to the invention. The dental implant comprises a central implant part 1 and a peripheral implant part 2, wherein the central implant part 1 comprises at its proximal end a fixation location 3 (such as a pocket hole with an inner thread or a location at which the dental surgeon may create such a pocket hole) or an artificial tooth crown. The implant is designed to be chisel-shaped for a self-cutting effect. The implant may also, as illustrated in the cross section according to FIG. 2C, comprise axially extending, self-cutting elements 9. The central implant part 1 comprises surface regions 4 of the first type (e.g. with osseo-integrative, inflammation-inhibiting, infection-combating and/or growth-promoting properties) extending parallel to the implantation direction A. Between the surface regions 4 of the first type, the implant comprises surfaces which are suitable for connection to the peripheral implant part 2. The connection between the peripheral implant part 2 and the central implant part may be an adhesive connection 5 (FIG. 2A), or a material-fit connection, such as individual grooves 5′ (FIGS. 2A and 2C) with narrowed opening slots or surfaces 5″ with a multitude of openings or grooves (FIG. 2B). The peripheral implant part 2 comprises fingers 6 which, for example, fit into the grooves 5′ or onto the surface regions 5″ and which form at least one part of the surface regions 8 of the second type.
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