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FR2671966A3 - Device for reducing factures - Google Patents

Device for reducing factures Download PDF

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Publication number
FR2671966A3
FR2671966A3 FR9200398A FR9200398A FR2671966A3 FR 2671966 A3 FR2671966 A3 FR 2671966A3 FR 9200398 A FR9200398 A FR 9200398A FR 9200398 A FR9200398 A FR 9200398A FR 2671966 A3 FR2671966 A3 FR 2671966A3
Authority
FR
France
Prior art keywords
ring
rod
head
femur
screw
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
FR9200398A
Other languages
French (fr)
Other versions
FR2671966B3 (en
Inventor
Iaia Ciro Rosario
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hit Medica Srl
Original Assignee
Hit Medica Srl
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hit Medica Srl filed Critical Hit Medica Srl
Publication of FR2671966A3 publication Critical patent/FR2671966A3/en
Application granted granted Critical
Publication of FR2671966B3 publication Critical patent/FR2671966B3/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods
    • 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 or setting implements
    • A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
    • A61B17/74—Devices for the head or neck or trochanter of the femur
    • A61B17/742—Devices for the head or neck or trochanter of the femur having one or more longitudinal elements oriented along or parallel to the axis of the neck
    • A61B17/746—Devices for the head or neck or trochanter of the femur having one or more longitudinal elements oriented along or parallel to the axis of the neck the longitudinal elements coupled to a plate opposite the femoral head
    • 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
    • A61F2002/30108—Shapes
    • A61F2002/3011—Cross-sections or two-dimensional shapes
    • A61F2002/30138—Convex polygonal shapes
    • A61F2002/30146—Convex polygonal shapes octagonal
    • 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
    • A61F2002/30316—The prosthesis having different structural features at different locations within the same prosthesis; Connections between prosthetic parts; Special structural features of bone or joint prostheses not otherwise provided for
    • A61F2002/30329—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements
    • A61F2002/30331—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements made by longitudinally pushing a protrusion into a complementarily-shaped recess, e.g. held by friction fit
    • A61F2002/30362—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements made by longitudinally pushing a protrusion into a complementarily-shaped recess, e.g. held by friction fit with possibility of relative movement between the protrusion and the recess
    • A61F2002/30364—Rotation about the common longitudinal axis
    • A61F2002/30367—Rotation about the common longitudinal axis with additional means for preventing said rotation
    • 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
    • A61F2220/00—Fixations or connections for prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
    • A61F2220/0025—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements
    • A61F2220/0033—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements made by longitudinally pushing a protrusion into a complementary-shaped recess, e.g. held by friction fit
    • 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
    • A61F2230/00—Geometry of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
    • A61F2230/0002—Two-dimensional shapes, e.g. cross-sections
    • A61F2230/0017—Angular shapes

Landscapes

  • Health & Medical Sciences (AREA)
  • Orthopedic Medicine & Surgery (AREA)
  • Surgery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Neurology (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Prostheses (AREA)
  • Surgical Instruments (AREA)

Abstract

The present invention relates to a device for reducing factures, such as those of the trochanter, the condyle and the neck of the femur, of the type comprising a plate (7) which is capable of being applied, by means of screws, against the body of the bone and is provided with a ring (9), and a rod (15) having one end shaped as a screw (18) for its screwing into the head of the bone, and one end (18) housed in the ring (9) and blocked inside the latter. The end (19) of the rod (15), housed in the ring (9), is advantageously connected in a rotational manner to the ring (9) by means of a polygonal prismatic connection.

Description

La présente invention concerne un dispositif pour réduire les fractures notamment du trochanter, du condyle et du col du fémur.The present invention relates to a device for reducing fractures, particularly of the trochanter, condyle and neck of the femur.

Les dispositifs connus de ce type, par exemple pour réduire les fractures du col du fémur, comprennent une plaque, apte à être appliquée par l'intermédiaire d'une vis contre le corps du fémur, et pourvue d'une bague coaxiale à l'axe de la tête du fémur, et une tige ayant une extrémité conformée en vis pour son vissage dans la tête du fémur, et une extrémité logée dans la bague et bloquée à l'intérieur de cette dernière.Known devices of this type, for example for reducing fractures of the neck of the femur, comprise a plate, capable of being applied by means of a screw against the body of the femur, and provided with a ring coaxial with the axis of the head of the femur, and a rod having one end shaped into a screw for screwing it into the head of the femur, and one end housed in the ring and locked inside the latter.

Dans ces dispositifs connus, quelques inconvénients ont été relevés concernant la possibilité de positionner la plaque par rapport à la tige après que cette dernière a été engagée in situ.In these known devices, some drawbacks have been noted concerning the possibility of positioning the plate relative to the rod after the latter has been engaged in situ.

Le but de la présente invention est par conséquent de réaliser un dispositif qui permet un positionnement angulaire plus précis entre la plaque et la tige afin de satisfaire à pratiquement toutes les exigences.The object of the present invention is therefore to provide a device which allows more precise angular positioning between the plate and the rod in order to meet practically all requirements.

A cet effet, le dispositif pour réduire des fractures, telles que du trochanter, du condyle et du col du fémur, du type comprenant une plaque susceptible d'être appliquée, au moyen de vis, contre le corps de l'os et pourvue d'une bague, et une tige ayant une extrémité conformée en vis pour son vissage dans la tête de l'os, et une extrémité logée dans la bague et bloquée à l'intérieur de cette dernière, est remarquable, selon l'invention, en ce que l'extrémité de la tige logée dans la bague est liée, de façon rotative, à la bague même au moyen d'une liaison prismatique polygonale. To this end, the device for reducing fractures, such as the trochanter, the condyle and the neck of the femur, of the type comprising a plate capable of being applied, by means of screws, against the body of the bone and provided with 'a ring, and a rod having one end shaped into a screw for its screwing in the head of the bone, and one end housed in the ring and locked inside the latter, is remarkable, according to the invention, in that the end of the rod housed in the ring is rotatably connected to the ring even by means of a prismatic polygonal connection.

Les figures du dessin annexé feront bien comprendre comment l'invention peut être réalisée. Sur ces figures, des références identiques désignent des éléments semblables.The figures of the appended drawing will make it clear how the invention can be implemented. In these figures, identical references designate similar elements.

La figure 1 montre une vue en coupe du dispositif conforme à l'invention, appliqué à un fémur fracturé au niveau du col.Figure 1 shows a sectional view of the device according to the invention, applied to a fractured femur at the neck.

La figure 2 montre une vue éclatée du dispositif.Figure 2 shows an exploded view of the device.

La figure 3 est une vue en coupe du dispositif selon la ligne III-III de la figure 1.FIG. 3 is a sectional view of the device according to line III-III of FIG. 1.

En se référant à ces figures, le fémur est indiqué par la référence numérique 1, la tête de fémur par la référence numérique 2 et, par la référence numérique 3 une fracture située au niveau du col 4. La tête 2 est logée dans l'acétabule 5 pour former l'articulation de la hanche.Referring to these figures, the femur is indicated by the reference numeral 1, the femur head by the reference numeral 2 and, by the reference numeral 3 a fracture located at the level of the neck 4. The head 2 is housed in the acetabulum 5 to form the hip joint.

Le dispositif pour réduire la fracture 3 porte la référence numérique 6 et il comprend une plaque ou platine 7 pourvue de trous 8, et une bague 9 formant, avec la plaque 7, un corps unique. La plaque 7 est façonnée afin d'épouser la surface externe du fémur à laquelle est fixée la plaque 7 au moyen de vis 10 qui traversent les trous 8.The device for reducing the fracture 3 carries the reference numeral 6 and it comprises a plate or plate 7 provided with holes 8, and a ring 9 forming, with the plate 7, a single body. The plate 7 is shaped so as to follow the external surface of the femur to which the plate 7 is fixed by means of screws 10 which pass through the holes 8.

La bague 9 forme avec la plaque 7 un angle obtus tel qu'elle peut s'engager dans un trou 11 ménagé dans le fémur sensiblement coaxialement à l'axe de la tête fémorale 2. La bague 9 est pourvue d'un logement 12 de section prismatique, par exemple octogonal qui, vers l'extérieur, prolonge coaxialement un logement cylindrique 13 de diamètre supérieur de façon à définir ainsi un épaulement annulaire 14.The ring 9 forms with the plate 7 an obtuse angle such that it can engage in a hole 11 formed in the femur substantially coaxially with the axis of the femoral head 2. The ring 9 is provided with a housing 12 of prismatic, for example octagonal, section which, towards the outside, coaxially extends a cylindrical housing 13 of greater diameter so as to thus define an annular shoulder 14.

Dans le logement 12 est insérée une tige 15 percée axialement par un canal 16. La tige 15 s'engage dans un trou 17 coaxial au trou 11, mais de diamètre inférieur, et traversant la zone de fracture 3.In the housing 12 is inserted a rod 15 pierced axially by a channel 16. The rod 15 engages in a hole 17 coaxial with the hole 11, but of smaller diameter, and crossing the fracture zone 3.

La tige 15 présente une partie terminale façonnée sensiblement en vis conique 18 avec un filetage très prononcé, et une partie terminale opposée 19, de section octogonale, complémentaire de celle du logement 12 de la bague 9. La tige 15 et la bague 9 sont ainsi liées en rotation par cette liaison prismatique. Bien que la partie intermédiaire aux parties d'extrémité 18, 19 ait dans cet exemple une section octogonale, elle pourrait toutefois avoir une tout autre section, par exemple circulaire.The rod 15 has an end part shaped substantially as a conical screw 18 with a very pronounced thread, and an opposite end part 19, of octagonal section, complementary to that of the housing 12 of the ring 9. The rod 15 and the ring 9 are thus linked in rotation by this prismatic connection. Although the intermediate portion to the end portions 18, 19 in this example has an octagonal section, it could however have a completely different section, for example circular.

Le canal 16, en correspondance de la partie 19, est taraudé pour permettre le vissage d'une vis 20 engagée à travers le logement 13, et dont la tête présente un rebord 21 qui s'applique contre l'épaulement 14.The channel 16, in correspondence with the part 19, is tapped to allow the screwing of a screw 20 engaged through the housing 13, and the head of which has a flange 21 which is applied against the shoulder 14.

Par conséquent, après avoir vissé la tige 15 dans la tête fémorale 2, il est possible d'accoupler la partie octogonale 19 de la tige 15 dans le logement 12 de la bague 9, après avoir orienté la plaque de façon à pouvoir être fixée au corps du fémur. Ensuite, en vissant la vis 20, on détermine le blocage et la compression de la tête 2 au corps du fémur le long de la zone de fracture 3.Consequently, after having screwed the rod 15 into the femoral head 2, it is possible to couple the octagonal part 19 of the rod 15 into the housing 12 of the ring 9, after having oriented the plate so that it can be fixed to the body of the femur. Then, by screwing the screw 20, the blocking and compression of the head 2 to the body of the femur are determined along the fracture zone 3.

Il doit être noté que la section octogonale de la tige 15 et du logement 12 permet de positionner la plaque 7 selon des déplacements angulaires de 45 , tandis que des positions intermédiaires peuvent être corrigées par de légers vissages de la tige dans la tête 2, jusqu'à l'obtention d'un alignement parfait entre la tige 15 et le logement 12. Le dispositif 6 de l'invention atteint par conséquent les objectifs fixés.It should be noted that the octagonal section of the rod 15 and of the housing 12 makes it possible to position the plate 7 according to angular displacements of 45, while intermediate positions can be corrected by slight screwings of the rod in the head 2, up to 'to obtain perfect alignment between the rod 15 and the housing 12. The device 6 of the invention therefore achieves the objectives set.

En particulier, il permet de diminuer les temps de recherche de l'alignement entre la tige 15 et la plaque 7, et donc, en définitif, le temps d'intervention. En outre, le dispositif permet d'éviter les rotations excessives de la tige, qui peuvent entraîner des effets critiques surtout en ce qui concerne la capacité d'ancrage de la partie 18 de la tige dans la tête 2. Une précaution est de remarquer que les corrections angulaires de la tige ne peuvent se produire qu'au vissage, puisque la forme conique de la partie à vis 18 provoquerait, au dévissage, un excessif desserrage de l'ancrage dans la tête 2.  In particular, it makes it possible to reduce the search times for alignment between the rod 15 and the plate 7, and therefore, ultimately, the intervention time. In addition, the device makes it possible to avoid excessive rotation of the rod, which can cause critical effects especially with regard to the anchoring capacity of the part 18 of the rod in the head 2. A precaution is to note that the angular corrections of the rod can only occur when screwing, since the conical shape of the screw part 18 would cause, when unscrewing, excessive loosening of the anchoring in the head 2.

Claims (3)

REVENDICATIONS 1. Dispositif pour réduire des fractures, telles que du trochanter, du condyle, et du col du fémur, du type comprenant une plaque (7) susceptible d'être appliquée, au moyen de vis, contre le corps de l'os et pourvue d'une bague (9), et une tige (15) ayant une extrémité conformée en vis (18) pour son vissage dans la tête de l'os, et une extrémité (19), logée dans la bague (9) et bloquée à l'intérieur de cette dernière, caractérisé en ce que l'extrémité (19) de la tige (15), logée dans la bague (9), est liée de façon rotative à la bague (9) au moyen d'une liaison prismatique polygonale.1. Device for reducing fractures, such as the trochanter, the condyle, and the neck of the femur, of the type comprising a plate (7) capable of being applied, by means of screws, against the body of the bone and provided a ring (9), and a rod (15) having one end shaped as a screw (18) for screwing it into the head of the bone, and one end (19), housed in the ring (9) and locked inside the latter, characterized in that the end (19) of the rod (15), housed in the ring (9), is rotatably connected to the ring (9) by means of a connection prismatic polygonal. 2. Dispositif selon la revendication 1, caractérisé en ce que la bague (9) présente un logement (12) de section polygonale qui, vers l'extérieur, prolonge un logement (13) de section cylindrique d'un plus grand diamètre, définissant un épaulement (14) pour la tête d'une vis (20) vissée axialement dans un trou taraudé (16) de ladite tige (15). 2. Device according to claim 1, characterized in that the ring (9) has a housing (12) of polygonal section which, towards the outside, extends a housing (13) of cylindrical section of a larger diameter, defining a shoulder (14) for the head of a screw (20) screwed axially in a threaded hole (16) of said rod (15). 3. Dispositif selon la revendication 1 ou 2, caractérisé en ce que l'extrémité (18) de la tige (15), opposée à celle (19) engagée dans la bague, est conformée en vis conique ayant un filetage très prononcé. 3. Device according to claim 1 or 2, characterized in that the end (18) of the rod (15), opposite that (19) engaged in the ring, is shaped as a conical screw having a very pronounced thread.
FR9200398A 1991-01-24 1992-01-16 DEVICE FOR REDUCING FRACTURES. Expired - Lifetime FR2671966B3 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITBO910011U IT224673Z2 (en) 1991-01-24 1991-01-24 DEVICE TO REDUCE TROCANTERIC, CONDYLIC AND NECK OF FEMORE FRACTURES.

Publications (2)

Publication Number Publication Date
FR2671966A3 true FR2671966A3 (en) 1992-07-31
FR2671966B3 FR2671966B3 (en) 1992-12-31

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FR9200398A Expired - Lifetime FR2671966B3 (en) 1991-01-24 1992-01-16 DEVICE FOR REDUCING FRACTURES.

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FR (1) FR2671966B3 (en)
IT (1) IT224673Z2 (en)

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6004322A (en) * 1994-10-25 1999-12-21 Sdgi Holdings, Inc. Modular pedicle screw system
US6176861B1 (en) 1994-10-25 2001-01-23 Sdgi Holdings, Inc. Modular spinal system
US7229445B2 (en) 2004-06-21 2007-06-12 Synthes (Usa) Bone plate with bladed portion
EP0925038A4 (en) * 1996-07-17 2008-12-31 Designs Inc Orthopedic Surgical fastener assembly
US7951176B2 (en) 2003-05-30 2011-05-31 Synthes Usa, Llc Bone plate
US10335211B2 (en) 2004-01-26 2019-07-02 DePuy Synthes Products, Inc. Highly-versatile variable-angle bone plate system
US10342586B2 (en) 2003-08-26 2019-07-09 DePuy Synthes Products, Inc. Bone plate
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
US10820930B2 (en) 2016-09-08 2020-11-03 DePuy Synthes Products, Inc. Variable angle bone plate
US10905476B2 (en) 2016-09-08 2021-02-02 DePuy Synthes Products, Inc. Variable angle bone plate
US10925651B2 (en) 2018-12-21 2021-02-23 DePuy Synthes Products, Inc. Implant having locking holes with collection cavity for shavings
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
US11259851B2 (en) 2003-08-26 2022-03-01 DePuy Synthes Products, Inc. Bone plate
US11291484B2 (en) 2004-01-26 2022-04-05 DePuy Synthes Products, Inc. Highly-versatile variable-angle bone plate system

Cited By (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6004322A (en) * 1994-10-25 1999-12-21 Sdgi Holdings, Inc. Modular pedicle screw system
US6176861B1 (en) 1994-10-25 2001-01-23 Sdgi Holdings, Inc. Modular spinal system
US6379357B1 (en) 1994-10-25 2002-04-30 Sdgi Holdings, Inc. Modular spinal system
EP0925038A4 (en) * 1996-07-17 2008-12-31 Designs Inc Orthopedic Surgical fastener assembly
US11419647B2 (en) 2003-05-30 2022-08-23 DePuy Synthes Products, Inc. Bone plate
US7951176B2 (en) 2003-05-30 2011-05-31 Synthes Usa, Llc Bone plate
US9931148B2 (en) 2003-05-30 2018-04-03 DePuy Synthes Products, Inc. Bone plate
US10231768B2 (en) 2003-05-30 2019-03-19 DePuy Synthes Products, Inc. Methods for implanting bone plates
US10653466B2 (en) 2003-05-30 2020-05-19 DePuy Synthes Products, Inc. Bone plate
US10342586B2 (en) 2003-08-26 2019-07-09 DePuy Synthes Products, Inc. Bone plate
US11259851B2 (en) 2003-08-26 2022-03-01 DePuy Synthes Products, Inc. Bone plate
US10335211B2 (en) 2004-01-26 2019-07-02 DePuy Synthes Products, Inc. Highly-versatile variable-angle bone plate system
US11291484B2 (en) 2004-01-26 2022-04-05 DePuy Synthes Products, Inc. Highly-versatile variable-angle bone plate system
US7229445B2 (en) 2004-06-21 2007-06-12 Synthes (Usa) Bone plate with bladed portion
US10624686B2 (en) 2016-09-08 2020-04-21 DePuy Synthes Products, Inc. Variable angel bone plate
US10905476B2 (en) 2016-09-08 2021-02-02 DePuy Synthes Products, Inc. Variable angle bone plate
US10820930B2 (en) 2016-09-08 2020-11-03 DePuy Synthes Products, Inc. Variable angle bone plate
US11529176B2 (en) 2016-09-08 2022-12-20 DePuy Synthes Products, Inc. Variable angle bone plate
US11026727B2 (en) 2018-03-20 2021-06-08 DePuy Synthes Products, Inc. Bone plate with form-fitting variable-angle locking hole
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
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
US10925651B2 (en) 2018-12-21 2021-02-23 DePuy Synthes Products, Inc. Implant having locking holes with collection cavity for shavings

Also Published As

Publication number Publication date
ITBO910011U1 (en) 1992-07-24
ITBO910011V0 (en) 1991-01-24
IT224673Z2 (en) 1996-06-27
FR2671966B3 (en) 1992-12-31

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