Die Osteosynthese- bzw. Rekonstruktionsplatten nach Anspruch 1 und mit den von der AO vorgeschlagenen sphärischen Gleitlochprinzip (s. Skizze 1a-d), dienen der funktionsstabilen anatomischen Fixierung von Knochenfragmenten nach Frakturen, z. B. in der Extremitäten und craniofacialen Chirurgie, bei der chirurgischen Behandlung von craniofacialen Anomalien, Malokklusionen und der Rekonstruktion nach tumorchirurgischen Eingriffen.The osteosynthesis or reconstruction plates according to claim 1 andwith the spherical sliding hole principle proposed by the AO(see sketch 1a-d), serve the functionally stable anatomicalFixation of bone fragments after fractures, e.g. B. in the Extremors and craniofacial surgery, in surgicalTreatment of craniofacial abnormalities, malocclusions and theReconstruction after tumor surgery.
Die je nach Indikation zu verwendenden Platten (z. B. bei der ExtremitätenchirurgieAbb. 1 oder cranialen ChirurgieAbb. 2) weisen auf der Unterseite, die dem Knochen anliegt, eine sphärische Noppung auf.Abb. 1 und Skizze 1b-d.Depending on the indication, the plates to be used (e.g. in extremity surgeryFig. 1 or cranial surgeryFig. 2) have a spherical nub on the underside, which lies against the bone.Fig. 1 and sketch 1b-d.
Durch diese noppenförmige Gestaltung der Plattenunterseite paßt sich die Platte dem Makrorelief des Knochens genauer an. (s. CT-Bilder des Unterkiefers inAbb. 3d,Abb. 5b.)Due to this knob-shaped design of the underside of the plate, the plate adapts more precisely to the macro relief of the bone. (see CT images of the lower jaw inFig. 3d,Fig. 5b.)
Es entsteht somit ein homogeneres Gefüge zwischen Knochen- und Osteosyntheseplatte.This creates a more homogeneous structure between bone andOsteosynthesis plate.
Umständliches und zeitraubendes Anpassen herkömmlicher Osteosyntheseplatten mit planer knochenseitiger Unterseite lassen sich auf ein Minimum reduzieren und die Narkosedauer läßt sich dadurch verkürzen. Die Gefahr der Plattenlockerung, die mit lokaler Infektion, Veränderung im Bereich der Weichteile und der Operationsnarbe und im ungünstigsten Fall mit Fistelbildung und Auftreten von Dehiszenzen einhergehen, läßt sich durch die noppenförmige Bauweise günstig beeinflussen. Die Noppen, die im günstigen Fall in die Tiefe des Makroreliefs des Knochens eingreifen, führen zur erhöhten Retention zwischen Platte und Bruchenden, dadurch zur verbesserten Stabilisation der Bruchenden (s.Abb. 1-6). Das Risiko von Pseudoarthrosen und Wundheilungsstörungen können damit günstig beeinflußt werden.Cumbersome and time-consuming adaptation of conventional osteosynthesis plates with a flat underside on the bone side can be reduced to a minimum and the duration of anesthesia can be shortened. The risk of loosening of the plate, which is associated with local infection, changes in the area of the soft tissues and the surgical scar and, in the worst case, with fistula formation and the occurrence of dehiscences, can be favorably influenced by the knob-shaped construction. The knobs, which in the favorable case reach into the depth of the macro relief of the bone, lead to increased retention between the plate and the fracture ends, thereby improving the stabilization of the fracture ends (seeFig. 1-6). The risk of pseudoarthrosis and wound healing disorders can thus be influenced favorably.
Abb. 3 und 4 zeigen an hand computertomographisch erstellter Schichtbilder des Ramus ascendens des menschlichen Unterkiefers die individuell unterschiedlichen Strukturen des Knochens, das Makrorelief(D), die Dichte des Knochens im Dichteprofil(F) entlang einer Strecke(E). In der Fotomontage ist mitA die in Anspruch 1 aufgeführte Platte gekennzeichnet, mitC Schraube mit halbkugelförmigen Schraubenkopf und mitG das Gleitloch.Figs. 3 and 4 show the individually different structures of the bone, the macrorelief(D) , the density of the bone in the density profile(F) along a path(E) using computed tomography slice images of the ascending ramus of the human lower jaw. In the photomontage, the plate listed in claim 1 is identified byA , byC a screw with a hemispherical screw head and byG the gliding hole.
Abb. 3 Computertomographisches Schichtbild des Ramus ascendens mit nach Anspruch 1 beschriebenen Platte als Fotomontage.Fig. 3 Computed tomographic slice of the ascending ramus with plate described in claim 1 as a photomontage.
Abb. 4 Computertomographische Schichtbilder des menschlichen Ramus Ascendens zwischen Incisura semilunaris und Foramen mandibulae und Fotomontage der Platte nach Anspruch 1.Fig. 4 Computed tomographic slices of the human ascending ramus between the incisura semilunaris and foramen mandibulae and photomontage of the plate according to claim 1.
Abb. 5 und 6 Computertomographische Schichtbilder des Ramus ascendens;A Platte nach Anspruch 1 als Fotomontage,B Knochenmakrorelief.Fig. 5 and 6 computed tomography slices of the ascending ramus;A plate according to claim 1 as a photomontage,B bone macro relief.
Skizze 1a bis d.Sketch 1a to d.
Prinzip der dynamischen Compression Platte mit modifiziert gestalteter Plattenunterseite.Principle of the dynamic compression plate with modified platesbottom.
Abb. 1 und 2Fig. 1 and 2
Anwendungsbeispiele für Osteosyntheseplatten.Application examples for osteosynthesis plates.
Abb. 1 Osteosyntheseplatte mit sphärisch genoppter Plattenunterseite, die sich dem Makrorelief des Knochens günstig anpaßt. Durch diese Bauweise wird eine höhere Retention und Friktion zwischen Platte und Bruchenden erzielt.Fig. 1 Osteosynthesis plate with a spherically nubbed plate underside, which adapts favorably to the macrorelief of the bone. This design results in a higher retention and friction between the plate and the break ends.
Abb. 2 Stabilisierung craniofacialer Frakturen durch Plattenosteosynthese.Fig. 2 Stabilization of craniofacial fractures by plate osteosynthesis.
| Application Number | Priority Date | Filing Date | Title | 
|---|---|---|---|
| DE19873743638DE3743638A1 (en) | 1987-12-22 | 1987-12-22 | Osteosynthesis or reconstruction plates | 
| Application Number | Priority Date | Filing Date | Title | 
|---|---|---|---|
| DE19873743638DE3743638A1 (en) | 1987-12-22 | 1987-12-22 | Osteosynthesis or reconstruction plates | 
| Publication Number | Publication Date | 
|---|---|
| DE3743638A1true DE3743638A1 (en) | 1989-07-06 | 
| DE3743638C2 DE3743638C2 (en) | 1993-04-15 | 
| Application Number | Title | Priority Date | Filing Date | 
|---|---|---|---|
| DE19873743638GrantedDE3743638A1 (en) | 1987-12-22 | 1987-12-22 | Osteosynthesis or reconstruction plates | 
| Country | Link | 
|---|---|
| DE (1) | DE3743638A1 (en) | 
| Publication number | Priority date | Publication date | Assignee | Title | 
|---|---|---|---|---|
| FR2738477A1 (en)* | 1995-09-11 | 1997-03-14 | Landanger Landos | IMPROVEMENT ON IMPLANTABLE PLATES IN MAXILLOFACIAL SURGERY | 
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| US7951176B2 (en) | 2003-05-30 | 2011-05-31 | Synthes Usa, Llc | Bone plate | 
| US9855082B2 (en) | 2009-05-12 | 2018-01-02 | DePuy Synthes Products, Inc. | Readjustable locking plate hole | 
| US10335211B2 (en) | 2004-01-26 | 2019-07-02 | DePuy Synthes Products, Inc. | Highly-versatile variable-angle bone plate system | 
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| US10624686B2 (en) | 2016-09-08 | 2020-04-21 | DePuy Synthes Products, Inc. | Variable angel bone plate | 
| US10772665B2 (en) | 2018-03-29 | 2020-09-15 | DePuy Synthes Products, Inc. | Locking structures for affixing bone anchors to a bone plate, and related systems and methods | 
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| US10905476B2 (en) | 2016-09-08 | 2021-02-02 | DePuy Synthes Products, Inc. | Variable angle bone plate | 
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| US11013541B2 (en) | 2018-04-30 | 2021-05-25 | DePuy Synthes Products, Inc. | Threaded locking structures for affixing bone anchors to a bone plate, and related systems and methods | 
| US11026727B2 (en) | 2018-03-20 | 2021-06-08 | DePuy Synthes Products, Inc. | Bone plate with form-fitting variable-angle locking hole | 
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| US11291484B2 (en) | 2004-01-26 | 2022-04-05 | DePuy Synthes Products, Inc. | Highly-versatile variable-angle bone plate system | 
| Publication number | Priority date | Publication date | Assignee | Title | 
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| CH462375A (en)* | 1966-06-22 | 1968-09-15 | Synthes Ag | Osteosynthetic pressure plate | 
| US3469573A (en)* | 1966-05-04 | 1969-09-30 | Michael A Florio | Orthopedic clamp | 
| DE2708704A1 (en)* | 1976-03-04 | 1977-09-08 | Meyrueis Jean Paul Prof | PLATE FOR BONE JOINT | 
| WO1989004150A1 (en)* | 1987-11-03 | 1989-05-18 | Synthes Ag | Implant for osteosynthesis | 
| Publication number | Priority date | Publication date | Assignee | Title | 
|---|---|---|---|---|
| US3469573A (en)* | 1966-05-04 | 1969-09-30 | Michael A Florio | Orthopedic clamp | 
| CH462375A (en)* | 1966-06-22 | 1968-09-15 | Synthes Ag | Osteosynthetic pressure plate | 
| DE2708704A1 (en)* | 1976-03-04 | 1977-09-08 | Meyrueis Jean Paul Prof | PLATE FOR BONE JOINT | 
| WO1989004150A1 (en)* | 1987-11-03 | 1989-05-18 | Synthes Ag | Implant for osteosynthesis | 
| Publication number | Priority date | Publication date | Assignee | Title | 
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| US5702396A (en)* | 1995-03-27 | 1997-12-30 | Hoenig; Johannes Franz | Osteosynthesis plate | 
| FR2738477A1 (en)* | 1995-09-11 | 1997-03-14 | Landanger Landos | IMPROVEMENT ON IMPLANTABLE PLATES IN MAXILLOFACIAL SURGERY | 
| US10653466B2 (en) | 2003-05-30 | 2020-05-19 | DePuy Synthes Products, Inc. | Bone plate | 
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| US11291484B2 (en) | 2004-01-26 | 2022-04-05 | DePuy Synthes Products, Inc. | Highly-versatile variable-angle bone plate system | 
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| Date | Code | Title | Description | 
|---|---|---|---|
| 8110 | Request for examination paragraph 44 | ||
| D2 | Grant after examination | ||
| 8363 | Opposition against the patent | ||
| 8331 | Complete revocation |