DE102010052914A1 - Endoprosthesis, useful e.g. endoscopy and transport of bone cement or a medicament, comprises base body made of biocompatible material and at least one channel and/or at least one cavity located within the base body - Google Patents
Endoprosthesis, useful e.g. endoscopy and transport of bone cement or a medicament, comprises base body made of biocompatible material and at least one channel and/or at least one cavity located within the base body Download PDFInfo
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- DE102010052914A1 DE102010052914A1 DE102010052914A DE102010052914A DE102010052914A1 DE 102010052914 A1 DE102010052914 A1 DE 102010052914A1 DE 102010052914 A DE102010052914 A DE 102010052914A DE 102010052914 A DE102010052914 A DE 102010052914A DE 102010052914 A1 DE102010052914 A1 DE 102010052914A1
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- endoprosthesis
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2/32—Joints for the hip
- A61F2/36—Femoral heads ; Femoral endoprostheses
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L27/00—Materials for grafts or prostheses or for coating grafts or prostheses
- A61L27/50—Materials characterised by their function or physical properties, e.g. injectable or lubricating compositions, shape-memory materials, surface modified materials
- A61L27/54—Biologically active materials, e.g. therapeutic substances
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
- B22F10/20—Direct sintering or melting
- B22F10/28—Powder bed fusion, e.g. selective laser melting [SLM] or electron beam melting [EBM]
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F5/00—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product
- B22F5/10—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product of articles with cavities or holes, not otherwise provided for in the preceding subgroups
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C14/00—Alloys based on titanium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C19/00—Alloys based on nickel or cobalt
- C22C19/07—Alloys based on nickel or cobalt based on cobalt
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/88—Osteosynthesis instruments; Methods or means for implanting or extracting internal or external fixation devices
- A61B17/8802—Equipment for handling bone cement or other fluid fillers
- A61B2017/883—Means for indicating hardening of bone cement
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2002/30001—Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
- A61F2002/30667—Features concerning an interaction with the environment or a particular use of the prosthesis
- A61F2002/30677—Means for introducing or releasing pharmaceutical products, e.g. antibiotics, into the body
- A61F2002/3068—Means for introducing or releasing pharmaceutical products, e.g. antibiotics, into the body the pharmaceutical product being in a reservoir
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2002/30001—Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
- A61F2002/30667—Features concerning an interaction with the environment or a particular use of the prosthesis
- A61F2002/30691—Drainage means, e.g. for evacuating blood or other fluids
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2/30767—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth
- A61F2/30771—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth applied in original prostheses, e.g. holes or grooves
- A61F2002/30772—Apertures or holes, e.g. of circular cross section
- A61F2002/30784—Plurality of holes
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2/3094—Designing or manufacturing processes
- A61F2002/30985—Designing or manufacturing processes using three dimensional printing [3DP]
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2/46—Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor
- A61F2002/4631—Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor the prosthesis being specially adapted for being cemented
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
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- Epidemiology (AREA)
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Abstract
Description
Die vorliegende Erfindung bezieht sich auf eine Endoprothese mit mindestens einem Kanal und/oder mindestens einem Hohlraum, ein Verfahren zur Herstellung der Endoprothese und eine Verwendung der Endoprothese.The present invention relates to an endoprosthesis having at least one channel and / or at least one cavity, a method for producing the endoprosthesis and a use of the endoprosthesis.
Als Endoprothese bezeichnet man ein Implantat aus einem Fremdmaterial, das einem geschädigten Körperteil nachgebildet ist, in das Innere des Körpers eingebracht wird und dort dauerhaft verbleibt. Endoprothesen werden z. B. als Hüftgelenke, Kniegelenke, Schultergelenke, Sprunggelenke, Fingergelenke, Schädelplatten oder Zahnimplantate ausgebildet.An endoprosthesis is an implant of a foreign material, which is modeled on a damaged part of the body, is introduced into the interior of the body and remains there permanently. Endoprostheses z. B. as hip joints, knee joints, shoulder joints, ankle joints, finger joints, skull plates or dental implants.
Die dauerhafte Verankerung der Endoprothese erfolgt durch vom Körper des Patienten neu gebildete Knochensubstanz, die die Endoprothese mit dem körpereigenen Knochen verbindet. Endoprothesen können auch unter Verwendung von Knochenzement mit dem körpereigenen Knochen verbunden werden.The permanent anchoring of the endoprosthesis is carried out by the body of the patient newly formed bone substance, which connects the endoprosthesis with the body's own bone. Endoprostheses can also be connected to the endogenous bone using bone cement.
Herkömmliche Endoprothesen werden herkömmlicherweise durch Gießen, Umformen oder spanabhebende Fertigungsverfahren hergestellt.Conventional endoprostheses are conventionally made by casting, forming or machining processes.
Während des operativen Eingriffs zum Einsetzen der Endoprothese werden üblicherweise zur Ableitung von Blut und Wundwasser Drainagen verwendet, die an verschiedenen Wundschichten enden und zu einer Vakuumflasche führen, in der diese Flüssigkeiten gesammelt werden. Diese Drainagen müssen aufwendig installiert werden und stören bei dem operativen Eingriff.During surgery to insert the endoprosthesis, drains are usually used to drain blood and sacs, ending in various wound layers and leading to a vacuum bottle in which these fluids are collected. These drains must be installed consuming and interfere with the surgical procedure.
Nach dem Einsetzen der Endoprothese kann es zu Komplikationen kommen, z. B. in Form von Bluterguss, Nachblutung, Nervenverletzung, Wundinfektion, Eindringen von Keimen in die Wunde und damit verbundener Knocheneiterung sowie im Zusammenhang damit stehender Schmerzen. Die Zuführung von Medikamenten mit Heilwirkung oder Schmerzlinderung zu diesen Stellen ist jedoch problembehaftet, so dass in vielen Fällen weitere Operationen durchgeführt werden müssen.After the onset of the endoprosthesis can cause complications, such. B. in the form of bruising, rebleeding, nerve injury, wound infection, penetration of germs into the wound and associated bone conduction and related pain. However, the delivery of drugs with curative or pain relief to these sites is problematic, so that in many cases further operations must be performed.
Der Erfindung liegt die Aufgabe zugrunde, eine Endoprothese zu schaffen, die die Gefahr von Revisionsoperationen verringert, ein Verfahren zur Herstellung einer solchen Endoprothese anzugeben sowie eine Verwendung einer solchen Endoprothese anzugeben.The invention has for its object to provide an endoprosthesis, which reduces the risk of revision surgery to provide a method for producing such endoprosthesis and to provide a use of such endoprosthesis.
Diese Aufgabe wird durch die in den Patentansprüchen 1, 11, 14, 16 und 17 angegebenen Merkmale gelöst.This object is achieved by the features specified in the
Weiterbildungen der Erfindung sind in den Unteransprüchen angegeben.Further developments of the invention are specified in the subclaims.
Erfindungsgemäß wird durch Ausbilden wenigstens eines Kanals und/oder eines Hohlraums im Grundkörper der Endoprothese die Voraussetzung geschaffen, die Beschaffenheit der Verbindung der Endoprothese mit dem körpereigenen Knochen zu überwachen, die Verankerungsfestigkeit der Endoprothese zu erhöhen und eine gezielte Medikamentenabgabe zu ermöglichen.According to the invention, by forming at least one channel and / or a cavity in the main body of the endoprosthesis, the prerequisite is created to monitor the nature of the connection of the endoprosthesis with the endogenous bone, to increase the anchoring strength of the endoprosthesis and to enable targeted drug delivery.
Durch die Anordnung und Form des wenigstens einen Hohlraums und die Anordnung und Form des wenigstens einen Kanals kann unterschiedlichen Einsatzzwecken oder unterschiedlichen Positionen des Patienten, der mit der Endoprothese versorgt wurde, Rechnung getragen werden.Due to the arrangement and shape of the at least one cavity and the arrangement and shape of the at least one channel, different applications or different positions of the patient, who has been supplied with the endoprosthesis, be taken into account.
Durch die Ausbildung von Kanälen mit unterschiedlich großem Querschnitt kann der unterschiedlichen Nutzung der Kanäle, z. B. zur Drainage von Wundwasser, zur Medikamentenabgabe oder zur Endoskopie, entsprochen werden.Due to the formation of channels with different sized cross-section of the different use of the channels, z. As for the drainage of wound water, for drug delivery or endoscopy, be met.
In einer vorteilhaften Weiterbildung der Ausführungsform ist der mindestens eine Kanal an einem Endabschnitt zur Außenfläche hin sich erweiternd ausgebildet, wodurch die Verankerungsfestigkeit der Endoprothese erhöht werden kann.In an advantageous development of the embodiment, the at least one channel is designed to widen at an end section towards the outer surface, whereby the anchoring strength of the endoprosthesis can be increased.
Bei einer Ausführungsform, bei der der mindestens eine Kanal im einem der Außenfläche nahegelegenen Bereich eine größere Oberflächenrauheit oder eine andere Volumenstruktur hat als der Rest des Kanals, kann ebenfalls die Verankerungsfestigkeit der Endoprothese erhöht werden.In an embodiment in which the at least one channel has a larger surface roughness or volume structure in the region close to the outer surface than the rest of the channel, the anchoring strength of the endoprosthesis can also be increased.
In einer weiteren vorteilhaften Ausführungsform ist in dem Hohlraum oder dem Kanal ein Behältnis mit einem Behältnisinhalt untergebracht, wodurch die Möglichkeit besteht, den Behältnisinhalt dem Körper im Bereich der Endoprothese auf einfache Weise zuzuführen. Bevorzugterweise ist das Behältnis ein Medikamentenreservoir zur Abgabe eines Medikaments.In a further advantageous embodiment, a container with a container contents is accommodated in the cavity or channel, whereby it is possible to supply the container contents to the body in the region of the endoprosthesis in a simple manner. Preferably, the container is a drug reservoir for delivery of a medicament.
In einer anderen Ausführungsform ist in dem Hohlraum oder dem Kanal ein Sensor angeordnet, mit dem die Verankerungsfestigkeit der Endoprothese oder der Aushärtungszustand von Knochenzement ermittelt werden kann.In another embodiment, a sensor is arranged in the cavity or channel with which the anchoring strength of the endoprosthesis or the hardening state of bone cement can be determined.
Durch den Einsatz eines generativen Fertigungsverfahrens (auch additiven Fertigungsverfahrens, auch Rapid Prototyping genannt) zur Herstellung der Endoprothese kann diese auch eine komplizierte geometrische Form aufweisen, wobei die Endoprothese mit hoher Maßgenauigkeit hergestellt werden kann.By using a generative manufacturing process (also known as additive manufacturing process, also called rapid prototyping) for the production of the endoprosthesis this can also have a complicated geometric shape, the endoprosthesis can be produced with high dimensional accuracy.
Insbesondere wird die Endoprothese durch schichtweises Aufbauen aus einem pulverförmigen biokompatiblen Material hergestellt, wobei jede Pulverschicht vor dem Aufbringen der nächsten Pulverschicht durch Erhitzen zum Schmelzen oder Sintern gebracht wird zur Fixierung mit der darunter befindlichen Schicht. In particular, the endoprosthesis is fabricated by laminating it from a powdery biocompatible material, each layer of powder, prior to application of the next layer of powder, being melted or sintered by heating to fix it to the underlying layer.
Auf vorteilhafte Weise kann auch eine herkömmlich hergestellte Endoprothese durch ein materialabtragendes Fertigungsverfahren mit wenigstens einem Hohlraum und/oder wenigstens einem Kanal versehen werden. Hierzu eignen sich insbesondere Bohren und Funkenerosion.Advantageously, a conventionally produced endoprosthesis can be provided by a material-removing manufacturing process with at least one cavity and / or at least one channel. In particular, drilling and spark erosion are suitable for this purpose.
Ein besonderer Vorteil einer mit wenigstens einem Kanal und/oder wenigstens einem Hohlraum ausgebildeten Endoprothese liegt in einer Verwendung zur Endoskopie.A particular advantage of an endoprosthesis formed with at least one channel and / or at least one cavity is in a use for endoscopy.
Ein weiterer Vorteil einer mit wenigstens einem Kanal und/oder wenigstens einem Hohlraum ausgebildeten Endoprothese liegt in der Verwendung zum Transport von Knochenzement oder eines Medikaments.Another advantage of an endoprosthesis formed with at least one channel and / or at least one lumen is the use for transporting bone cement or a medicament.
Die Erfindung wird an einem Ausführungsbeispiel an Hand der Zeichnungen näher erläutert. Darin zeigen:The invention will be explained in more detail using an exemplary embodiment with reference to the drawings. Show:
Wie in
Innerhalb des Grundkörpers
Der Hohlraum
Eine Gruppe von Zweigkanälen
Wie in
Die Anzahl, die Form und der Verlauf des wenigstens einen Kanals
Die Endoprothese
Durch die Kanäle
Auch im Falle einer erforderlichen Revisionsoperation kann durch ein Endoskopieren über die Kanäle
Da neu gebildete Knochensubstanz während des Verbindungsprozesses der Endoprothese mit dem körpereigenen Knochen in die Kanäle
In einem der Außenfläche
Durch die Zuführung von Knochenzement bzw. eines bioresorbierbaren Füllstoffs über die Kanäle
Das Medikament ist ein Mittel zur Infektionsprävention, zur Schmerzlinderung, zur Förderung der Wundheilung und/oder der Bildung neuer Knochensubstanz. Das Medikament kann auch eine Kombination der genannten Wirkstoffe beinhalten. Das Behältnis
In einer modifizierten Ausführungsform weist das Behältnis
Das Behältnis
In einer anderen Ausführungsform ist im Hohlraum
Das Behältnis
In einer Ausführungsform ist bzw. sind das Behältnis
Zur Fertigung der Endoprothese wird bevorzugterweise ein generatives Fertigungsverfahren, insbesondere Strahlschmelzen (Energiestrahlschmelzen wie Laserstrahlschmelzen oder Elektronenstrahlschmelzen) oder Lasersintern eingesetzt. Hierbei werden zunächst CAD-Daten der Endoprothese
Durch den Einsatz eines solchen generativen Fertigungsverfahrens ist es möglich, Endoprothesen mit hoher geometrischer Komplexität, mit einer gewünschten Oberflächengüte und hoher Genauigkeit herzustellen.By using such a generative manufacturing method, it is possible to produce endoprostheses with high geometric complexity, with a desired surface quality and high accuracy.
In einer anderen Ausführungsform wird die Endoprothese
In einer weiteren Ausführungsform werden in eine herkömmlich hergestellte Endoprothese durch ein materialabtragendes Fertigungsverfahren der wenigstens eine Hohlraum
Die Erfindung ist nicht auf die beschriebenen Ausführungsformen beschränkt.The invention is not limited to the described embodiments.
In einer anderen Ausführungsform weist der Grundkörper
In einer weiteren Ausführungsform weist der Grundkörper
Die Form, die Anzahl und der Verlauf der Kanäle
In einer weiteren Ausführungsform verlaufen Kanäle sternförmig vom Hohlraum
In einer anderen Ausführungsform ist der Grundkörper
In einer weiteren Ausführungsform weisen die Wand des wenigstens einen Kanals
Claims (20)
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DE102010052914A DE102010052914B4 (en) | 2010-11-30 | 2010-11-30 | Endoprosthesis and use of the endoprosthesis |
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DE102010052914A DE102010052914B4 (en) | 2010-11-30 | 2010-11-30 | Endoprosthesis and use of the endoprosthesis |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2014150658A2 (en) * | 2013-03-15 | 2014-09-25 | Osteoceramics, Inc. | Devices, systems, and methods for elongating bone |
US9138317B2 (en) | 2013-03-14 | 2015-09-22 | Osteoceramics, Inc | Conduits for enhancing tissue regeneration |
CN105943202A (en) * | 2016-05-17 | 2016-09-21 | 嘉思特华剑医疗器材(天津)有限公司 | Prosthesis component for drug-release treatment of postoperative infection of joints |
WO2017017648A1 (en) * | 2015-07-30 | 2017-02-02 | Tecres S.P.A. | Prosthetic device with antibiotics |
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US9138317B2 (en) | 2013-03-14 | 2015-09-22 | Osteoceramics, Inc | Conduits for enhancing tissue regeneration |
WO2014150658A2 (en) * | 2013-03-15 | 2014-09-25 | Osteoceramics, Inc. | Devices, systems, and methods for elongating bone |
WO2014150658A3 (en) * | 2013-03-15 | 2014-12-24 | Osteoceramics, Inc. | Devices, systems, and methods for elongating bone |
US9039781B2 (en) | 2013-03-15 | 2015-05-26 | Osteoceramics, Inc. | Devices, systems, and methods for elongating bone |
US11504242B2 (en) | 2015-06-17 | 2022-11-22 | Osteal Therapeutics, Inc. | Total joint replacement infection control devices and methods |
WO2017017648A1 (en) * | 2015-07-30 | 2017-02-02 | Tecres S.P.A. | Prosthetic device with antibiotics |
US11051945B2 (en) | 2015-07-30 | 2021-07-06 | Tecres S.P.A. | Prosthetic device with antibiotics |
CN105943202A (en) * | 2016-05-17 | 2016-09-21 | 嘉思特华剑医疗器材(天津)有限公司 | Prosthesis component for drug-release treatment of postoperative infection of joints |
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