DE102012019576A1 - Compression and fixation capable osteosynthesis plate (KFOP) used for fixing bone portion, has triangular spike that is located in bulged portion for compression and fixation of bone portion - Google Patents

Compression and fixation capable osteosynthesis plate (KFOP) used for fixing bone portion, has triangular spike that is located in bulged portion for compression and fixation of bone portion Download PDF

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Publication number
DE102012019576A1
DE102012019576A1 DE201210019576 DE102012019576A DE102012019576A1 DE 102012019576 A1 DE102012019576 A1 DE 102012019576A1 DE 201210019576 DE201210019576 DE 201210019576 DE 102012019576 A DE102012019576 A DE 102012019576A DE 102012019576 A1 DE102012019576 A1 DE 102012019576A1
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compression
fixation
kfop
plate
bone portion
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German (de)
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Anmelder Gleich
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    • 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
    • A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
    • A61B17/80—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates
    • A61B17/809—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates with bone-penetrating elements, e.g. blades or prongs

Abstract

The osteosynthesis plate (1) has base plate whose center region (4) is provided in flat shape. Side mesial surface is provided with bulged region that is curved inward. A triangular spike (3) provided in prism and pyramid shape is located in bulged portion for the compression and fixation of bone portions. A top region (5,8) of triangular spike is located approximately and directed distally towards geographic center of holes (2) provided at ends of base plate.

Description

  • Anwendungsbereich: chirurgische Behandlung von Knochendefekten. Sie werden zwecks Befestigung von Knochenteilen angewendet.Application: Surgical treatment of bone defects. They are used for the attachment of bone parts.

Stand der Technik:State of the art:

Die implantatfähige Osteosynthese Platte (meist aus Titan) wird zwecks Fixation und Kompression von gebrochenen Knochenteilen angewendet. Diese besteht aus einem Steg, dass mit Löchern versehen ist. Die Befestigung der Platte an den Knochen erfolgt durch separat-erhältliche Schrauben. Die Kompression der Knochenteile zueinander ermöglicht einen dichten Kontakt zwischen den Knochenteilen und fördert somit die primere Knochenheilung. Die Kompression wird dadurch ermöglicht, indem z. B. die Schrauben exzentrisch eingelegt werden, wodurch beim Eindrehen der Schraube eine Kompression der beiden Knochenteile in Richtung der Bruchlinie bewirkt wird. Die Befestigung durch Schrauben ist manchmal mit Schwierigkeiten oder Komplikationen verbunden. Z. B. eine unkontrollierte Bohrung kann zur Beschädigung der Nachbarstrukturen wie Zähne oder Nerven führen.The implantable osteosynthesis plate (mostly titanium) is used for fixation and compression of fractured bone parts. This consists of a bridge that is provided with holes. The plate is attached to the bone by means of separately available screws. The compression of the bone parts to each other allows a tight contact between the bone parts and thus promotes the primary bone healing. The compression is made possible by z. B. the screws are inserted eccentrically, whereby a compression of the two bone parts in the direction of the fracture line is effected when screwing the screw. The fastening by screws is sometimes associated with difficulties or complications. For example, an uncontrolled bore can damage neighboring structures such as teeth or nerves.

Problemlösung:Troubleshooting:

Die Osteosynthese Platte wird mit Dornen versehen, welche die Aufgaben der Fixation u. Kompression erfüllen.The osteosynthesis plate is provided with thorns, the tasks of fixation u. Fulfill compression.

Ausführungsbeispiele:EXAMPLES

Die Kompressions- und Fixierungsfähige Osteosynthese Platte (KFOP) besteht aus stegförmiger Grundplatte (1), zwei Löcher (2) und zwei dreieckige Dornen. Welcher aus zwei Teilen mit unterschiedlichen Geometrie; Prisma (6) und Pyramide (7) bestehen. Die Grundfläche des Dorns ist dreieckig. Die Spitze der Pyramide liegt räumlich ca. in der Mitte der Grundfläche. Eine Seitenfläche (3) je Pyramide ist flach und mesial (zur Plattenmitte 4) ausgerichtet. Die scharfe Kante (5) ist distal ausgerichtet. Die anderen Seitenflächen des Dorns weisen eine Wölbung nach innen auf (8). Die Dornenoberflächenstruktur kann glatt, teil oder komplett angeraut sein. Das Anrauen erfolgt wie üblich durch Ätzen.The compression and fixation-capable osteosynthesis plate (KFOP) consists of a bar-shaped base plate ( 1 ), two holes ( 2 ) and two triangular thorns. Which of two parts with different geometry; Prism ( 6 ) and pyramid ( 7 ) consist. The base of the spine is triangular. The top of the pyramid is located approximately in the middle of the base area. A side surface ( 3 ) each pyramid is flat and mesial (to the middle of the plate 4 ). The sharp edge ( 5 ) is distally aligned. The other side surfaces of the mandrel have a curvature inwards ( 8th ). The thorn surface structure may be smooth, partially or completely roughened. The roughening is done as usual by etching.

Die (KFOP) Platte wird an die Knochenoberfläche angepasst und durch Drücken oder leichtes Hämmern befestigt. Durch gleichzeitige Insertion der Pyramiden an zwei getrennten Knochenteilen wird durch die Schrägbildung der mesialen Pyramidenfläche (3) eine Kompression dieser Knochenteile zueinander bewirkt. Beim weiteren Inserieren führt das Prisma (6) zu einer Befestigung zwischen der KFOP und dem Knochengewebe und verhindert damit ihr Ablösen. Falls zusätzliche Befestigungsbedarf vorliegt, können Schrauben in die beiliegenden Löcher (2) eingesetzt werden. Die gewölbten Seitenflächen des Dorns (8) erleichtern die scharfe Insertion des Dorns in das Knochengewebe. Das Anrauen hat das Ziel, die Haftung der Dornen zu verbessern.The (KFOP) plate is adapted to the bone surface and fixed by pressing or light hammering. By simultaneous insertion of the pyramids on two separate bone parts, the oblique formation of the mesial pyramid surface ( 3 ) causes compression of these bone parts to each other. Upon further insertion, the prism ( 6 ) to an attachment between the KFOP and the bone tissue, thus preventing their detachment. If additional mounting requirements exist, screws can be inserted into the enclosed holes ( 2 ) are used. The curved sides of the spine ( 8th ) facilitate the sharp insertion of the spine into the bone tissue. The purpose of roughening is to improve the adhesion of the thorns.

Vorteile der KFOP im Vergleich zur klassischen Variante:Advantages of the KFOP compared to the classic version:

  • 1 – Komplett oder Teilverzicht auf separate Befestigungselemente (Schrauben).1 - Complete or partial waiver on separate fasteners (screws).
  • 2 – Reduktion von Risiken durch Einbringen oder Entfernen von Schrauben.2 - Reduction of risks by introducing or removing screws.
  • 3 – Zeitreduktion beim Anbringen bzw. Entfernen der Platte.3 - Time reduction when attaching or removing the plate.
  • 4 – Der Hauptindikation der Platte liegt darin, wenn eine starke Fixation nicht nötig ist, und das Einsetzen von Schrauben nicht erwünscht ist.4 - The main indication of the plate is when strong fixation is not necessary and insertion of screws is not desired.

Claims (1)

Beispiel 1. Eine Kompressions- und Fixierungsfähige Osteosynthese Platte (KFOP) ist dadurch gekennzeichnet, dass die Platte Dornen aufweist. 2. Eine Kompressions- und Fixierungsfähige Osteosynthese Platte (KFOP) nach Anspruch 1 dadurch gekennzeichnet, dass durch die oben beschriebene Geometrie der Dornen eine Fixation und Kompression der Knochenteile ermöglicht werden kann. Der dreieckige Dorn besteht aus einem Prisma und einer Pyramide. Eine mesiale Seitenfläche ist flach und zur Plattenmitte ausgerichtet. Die anderen Seitenflächen sind nach innen gewölbt. Die Spitze der Pyramide ist scharf u. liegt räumlich ca. in der Mitte der Grundfläche. Die scharfe Kante ist distal ausgerichtet. Ein Dorn weißt eine Grundfläche von ca. 1 mm breite und eine Höhe von ca. 2 mm. (Die Höhe des Prisma 0,2 mm und der Pyramide 1,8 mm) 3. Eine Kompressions- und Fixierungsfähige Osteosynthese Platte (KFOP) nach Anspruch 1 u. 2 dadurch gekennzeichnet, dass die Dornenoberflächenstruktur glatt, teil oder komplett angeraut sein kann.Example 1. A compression and fixation osteosynthesis plate (KFOP) is characterized in that the plate has spikes. 2. A compression and Fixierungsfähige osteosynthesis plate (KFOP) according to claim 1, characterized in that by the geometry of the spikes described above, a fixation and compression of the bone parts can be made possible. The triangular spine consists of a prism and a pyramid. A mesial side surface is flat and aligned with the center of the plate. The other side surfaces are curved inwards. The top of the pyramid is sharp & is located approximately in the middle of the base area. The sharp edge is distally aligned. A thorn knows a footprint of about 1 mm wide and a height of about 2 mm. (The height of the prism 0.2 mm and the pyramid 1.8 mm) 3. A compression and fixation osteosynthesis plate (KFOP) according to claim 1 u. 2, characterized in that the thorn surface structure may be smooth, partially or completely roughened.
DE201210019576 2012-09-27 2012-09-27 Compression and fixation capable osteosynthesis plate (KFOP) used for fixing bone portion, has triangular spike that is located in bulged portion for compression and fixation of bone portion Withdrawn DE102012019576A1 (en)

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DE201210019576 DE102012019576A1 (en) 2012-09-27 2012-09-27 Compression and fixation capable osteosynthesis plate (KFOP) used for fixing bone portion, has triangular spike that is located in bulged portion for compression and fixation of bone portion

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DE201210019576 DE102012019576A1 (en) 2012-09-27 2012-09-27 Compression and fixation capable osteosynthesis plate (KFOP) used for fixing bone portion, has triangular spike that is located in bulged portion for compression and fixation of bone portion

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DE102012019576A1 true DE102012019576A1 (en) 2014-03-27

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017060120A1 (en) * 2015-10-09 2017-04-13 Königsee Implantate GmbH Osteosynthesis plate for managing a fracture of the head of the humerus

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017060120A1 (en) * 2015-10-09 2017-04-13 Königsee Implantate GmbH Osteosynthesis plate for managing a fracture of the head of the humerus

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Effective date: 20150401