FR2862862A1 - Humerus fracture sites compressing unit for use in e.g. medical field, has cylinder with tip exerting pressure on opening to move linking unit along direction perpendicular to that of cylinder, from larger to smaller diameter of opening - Google Patents

Humerus fracture sites compressing unit for use in e.g. medical field, has cylinder with tip exerting pressure on opening to move linking unit along direction perpendicular to that of cylinder, from larger to smaller diameter of opening Download PDF

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Publication number
FR2862862A1
FR2862862A1 FR0314092A FR0314092A FR2862862A1 FR 2862862 A1 FR2862862 A1 FR 2862862A1 FR 0314092 A FR0314092 A FR 0314092A FR 0314092 A FR0314092 A FR 0314092A FR 2862862 A1 FR2862862 A1 FR 2862862A1
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cylinder
opening
compression set
direction perpendicular
diameter
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FR0314092A
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FR2862862B1 (en
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Jean Michel Cognet
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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
    • A61B17/8004—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates with means for distracting or compressing the bone or bones
    • A61B17/8019—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates with means for distracting or compressing the bone or bones where the means are a separate tool rather than being part of the plate
    • 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
    • A61B17/72—Intramedullary pins, nails or other devices
    • A61B17/7216—Intramedullary pins, nails or other devices for bone lengthening or compression
    • A61B17/7225—Intramedullary pins, nails or other devices for bone lengthening or compression for bone compression
    • 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
    • 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
    • A61B17/92—Impactors or extractors, e.g. for removing intramedullary devices
    • A61B17/921—Impactors or extractors, e.g. for removing intramedullary devices for intramedullary devices

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  • 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)
  • Surgical Instruments (AREA)

Abstract

The unit has a linking unit provided with an oval opening (5) and four circular openings. A cylinder (6) is provided with a conical tip (7), a screw thread (8) and a handle (9). The cylinder moves into another cylinder (10) using the thread. The tip exerts pressure on the opening (5) to move the linking unit along a direction perpendicular to that of the cylinder (6), from larger to smaller diameter of the opening (5).

Description

La présente invention concerne un ensemble de mise en compression de deuxThe present invention relates to a compression set of two

éléments disposés vis à vis l'un de l'autre, le dit ensemble étant constitué de deux dispositifs distincts s'emboîtant l'un dans l'autre. Cet ensemble de mise en compression est destiné en la matière au rapprochement des fragments osseux lors de la survenue d'une fracture mais son  elements arranged opposite one another, the said assembly consisting of two separate devices fitting one into the other. This set of compression is intended for this purpose to bring the bone fragments closer together when a fracture occurs but its

application peut se concevoir pour toute autre domaine.qu'il soit d'ordre médical ou non.  application can be conceived for any other domain. whether it is medical or not.

Les dispositifs existant actuellement ne permettent qu'une compression modérée (de l'ordre de quelques millimètres) et limitée en fonction des matériels utilisés.  Existing devices only allow a moderate compression (of the order of a few millimeters) and limited depending on the materials used.

L'ensemble de mise en compression selon l'invention permet de remédier à ces inconvénients. Il comporte en effet selon une première caractéristique un moyen de liaison comprenant au moins cinq orifices dont l'un d'entre eux est de forme ovale asymétrique. L'orifice ovale asymétrique comporte à chaque extrémité un demi-cercle, l'un étant d'un rayon inférieur à l'autre, d'où le caractère asymétrique. L'ensemble de mise en compression comporte, selon une deuxième caractéristique un cylindre métallique plein comportant à une extrémité un embout conique se prolongeant par un pas de vis, et à l'autre extrémité, un dispositif de préhension. Il comporte selon une troisième caractéristique un cylindre métallique creux d'un diamètre légèrement supérieur et d'une longueur inférieure au premier cylindre métallique selon la deuxième caractéristique. Ce cylindre est creux et comporte sur sa face interne un pas de vis correspondant au pas de vis présent sur la circonférence du premier cylindre. Le but de ce deuxième cylindre est de servir de guide au premier cylindre. Il comporte selon une quatrième caractéristique un dispositif de stabilisation de l'ensemble, situé sur le cylindre creux selon la troisième caractéristique.  The compression set according to the invention overcomes these disadvantages. It comprises in fact according to a first characteristic a connecting means comprising at least five orifices, one of which is of asymmetrical oval shape. The asymmetrical oval orifice has at each end a semicircle, one being of a smaller radius than the other, hence the asymmetrical character. The compression set comprises, according to a second feature, a solid metal cylinder having at one end a conical tip extending by a thread, and at the other end, a gripping device. It comprises, according to a third characteristic, a hollow metal cylinder with a slightly larger diameter and a shorter length than the first metal cylinder according to the second characteristic. This cylinder is hollow and has on its inner face a screw thread corresponding to the thread present on the circumference of the first cylinder. The purpose of this second cylinder is to serve as a guide to the first cylinder. According to a fourth characteristic, it comprises a device for stabilizing the assembly, located on the hollow cylinder according to the third characteristic.

L'ensemble de mise en compression fonctionne comme suit: Soit deux éléments distincts, disposés vis à vis l'un de l'autre et séparés par un espace que l'on cherche à faire disparaître en obtenant la compression des éléments pré-cités. L'un des éléments est fixé au moyen de liaison. La fixation peut s'effectuer au moyen de vis disposées dans les orifices circulaires.  The compression set works as follows: Either two distinct elements, arranged opposite one another and separated by a space that is sought to disappear by obtaining the compression of the aforementioned elements. One of the elements is attached to the linking means. Fixing can be done by means of screws arranged in the circular orifices.

L'extrémité de l'embout conique pénètre dans la partie de plus petit diamètre de l'orifice ovale asymétrique. Sa progression est assurée par le pas de vis qui permet un avancement automatique du premier cylindre. Le second cylindre, pourvu d'un pas de vis sur sa partie interne et d'un dispositif de stabilisation, assure la rectitude du trajet et l'avancement automatique du premier cylindre. L'embout conique avance dans l'orifice ovale asymétrique jusqu'à ce que son diamètre soit supérieur au plus petit diamètre de l'orifice ovale asymétrique; il y a alors contrainte et l'orifice ovale asymétrique et son support fixé à l'un des éléments, du fait de la poussée du premier cylindre subissent une poussée perpendiculaire à l'axe du cylindre dont le sens est dirigé du plus grand diamètre vers le plus petit diamètre de l'orifice ovale asymétrique. On obtient alors la compression des deux éléments avec disparition de l'espace les séparant.  The tip of the conical tip enters the smaller diameter portion of the asymmetrical oval hole. Its progression is ensured by the thread which allows an automatic advance of the first cylinder. The second cylinder, provided with a screw thread on its inner part and a stabilizing device, ensures the straightness of the path and the automatic advance of the first cylinder. The conical tip advances into the asymmetrical oval hole until its diameter is greater than the smallest diameter of the asymmetrical oval orifice; there is then constraint and the asymmetrical oval orifice and its support fixed to one of the elements, because of the thrust of the first cylinder undergo a thrust perpendicular to the axis of the cylinder whose direction is directed from the largest diameter towards the smallest diameter of the asymmetrical oval orifice. We then obtain the compression of the two elements with disappearance of the space separating them.

Selon des modes particuliers de réalisation: le dispositif comportant les orifices peut avoir la forme d'une plaque ou d'un clou ses mensurations peuvent varier - la longueur et le diamètre de l'orifice ovale asymétrique peuvent varier - le diamètre et le nombre des orifices circulaires peuvent varier la longueur et le diamètre des deux cylindres peuvent varier le dispositif de préhension peut varier la longueur, le diamètre et la pente du cône constituant l'extrémité du premier cylindre 15 peuvent varier le dispositif de stabilisation du deuxième cylindre peut varier et comporter des vis, des broches, une pince ou tout autre système utile à son maintien Les dessins annexés illustrent l'invention: La figure 1 représente l'ensemble de mise en compression, soit les deux cylindres en coupe et le moyen de liaison comportant l'orifice ovale asymétrique et les orifices circulaires.  According to particular embodiments: the device comprising the orifices may have the shape of a plate or a nail its measurements may vary - the length and the diameter of the asymmetrical oval orifice may vary - the diameter and the number of circular orifices may vary the length and diameter of the two cylinders may vary the gripping device may vary the length, diameter and slope of the cone constituting the end of the first cylinder 15 may vary the stabilizing device of the second cylinder may vary and The accompanying drawings illustrate the invention: FIG. 1 represents the compression set, ie the two cylinders in section, and the connecting means comprising the asymmetrical oval hole and circular holes.

La figure 2 représente le dispositif appliqué à la compression du foyer de fracture d'un humérus traité par enclouage centro médullaire statique.  FIG. 2 represents the device applied to the compression of the fracture site of a humerus treated by static centro medullary nailing.

La figure 3 représente le dispositif appliqué à la compression de deux éléments de forme cubique.  Figure 3 shows the device applied to the compression of two cubic shaped elements.

En référence à ces dessins, l'ensemble de mise en compression comporte un moyen de liaison (M), comportant au moins cinq orifices dont quatre de forme circulaire (1, 2, 3, 4) et un dont la forme est ovale asymétrique (5) Cet orifice ovale asymétrique comporte une extrémité dont le diamètre (Dl) est inférieur au diamètre de l'autre extrémité (D2). L'ensemble de mise en compression comporte également un cylindre plein (6) muni à son extrémité d'un embout conique (7), dont le plus grand diamètre (D3) est supérieur au plus petit diamètre (Dl) de l'orifice ovale asymétrique et inférieur ou égal au plus grand diamètre (D2) de l'orifice ovale asymétrique. A la suite de cet embout conique, le cylindre plein (6) comporte un pas de vis sur sa circonférence (8), et un système de préhension à son autre extrémité (9). L'ensemble de mise en compression comporte un deuxième cylindre (10), creux, avec, sur sa face interne un pas de vis (11), et à une de ses extrémités un dispositif de stabilisation (12).  With reference to these drawings, the compression set comprises a connecting means (M), comprising at least five orifices, four of which are circular in shape (1, 2, 3, 4) and one whose shape is oval asymmetric ( 5) This asymmetric oval orifice has an end whose diameter (D1) is smaller than the diameter of the other end (D2). The compression assembly also comprises a solid cylinder (6) provided at its end with a conical tip (7), the largest diameter (D3) of which is greater than the smallest diameter (D1) of the oval orifice. asymmetrical and less than or equal to the largest diameter (D2) of the asymmetrical oval orifice. Following this conical tip, the solid cylinder (6) has a thread on its circumference (8), and a gripping system at its other end (9). The compression set comprises a second cylinder (10), hollow, with a screw thread (11) on its internal face, and at one of its ends a stabilizing device (12).

La forme et les mensurations du moyen de liaison peuvent varier Il peut s'agir d'un clou ou d'une plaque S'il s'agit d'un clou, celui-ci peutêtre plein ou creux Le nombre et le diamètre des orifices circulaires peuvent varier Le diamètre et la longueur de l'orifice ovale asymétrique peuvent varier Le diamètre et la longueur du cylindre plein peuvent varier Le diamètre et la longueur du guide peuvent varier Le diamètre et la longueur de l'embout conique peuvent varier La longueur du pas de vis et sa position peuvent varier A titre d'exemple non limitatif et illustré par la figure 2, considérant une fracture d'humérus dont la partie proximale (H1) est séparé de la partie distale (H2) par un espace, et dont le traitement comporte un enclouage centro médullaire, les vis proximales (1 et 2) du clou [(M) représentant le moyen de liaison] assurent la cohésion entre le clou (M) et la partie proximale de l'humérus (Hl). Le cylindre (6), progressant au travers de son guide (10), après avoir traversé la première corticale, va pénétrer à l'intérieur du clou (M) au travers de son orifice ovale asymétrique (5). Le diamètre de la pointe du cylindre devenant, au cours de sa progression supérieure au diamètre de l'orifice ovale asymétrique, une contrainte va s'exercer sur le clou (M) solidaire de la partie proximale de l'humérus (Hl). Cette contrainte va entraîner une descente progressive du clou et de la partie proximale de l'humérus (H1) qui va venir au contact de la partie distale de l'humérus (H2). L'effet obtenu est une compression du foyer de fracture, avec disparition du diastasis. La pérennisation de cet effet de compression se fait par l'adjonction de deux vis supplémentaire (3 et 4) solidarisant le clou (M) à la partie distale de l'humérus (H2). L'ensemble de mise en compression peut alors être enlevé.  The shape and measurements of the connecting means may vary It may be a nail or a plate If it is a nail, it may be full or hollow The number and diameter of the holes The diameter and length of the asymmetric oval orifice may vary The diameter and length of the solid cylinder may vary The diameter and length of the guide may vary The diameter and length of the conical tip may vary no screw and its position may vary As a non-limiting example and illustrated in Figure 2, considering a humerus fracture whose proximal portion (H1) is separated from the distal portion (H2) by a space, and the treatment comprises a centro-medullary nailing, the proximal screws (1 and 2) of the nail [(M) representing the connecting means] ensure the cohesion between the nail (M) and the proximal portion of the humerus (H1). The cylinder (6), progressing through its guide (10), after passing through the first cortex, will penetrate inside the nail (M) through its asymmetrical oval orifice (5). The diameter of the tip of the cylinder becoming, during its progression greater than the diameter of the asymmetric oval orifice, a stress will be exerted on the nail (M) integral with the proximal portion of the humerus (H1). This constraint will cause a gradual descent of the nail and the proximal portion of the humerus (H1) which will come into contact with the distal portion of the humerus (H2). The effect obtained is compression of the fracture site, with disappearance of the diastasis. The durability of this compression effect is achieved by the addition of two additional screws (3 and 4) solidarisant the nail (M) to the distal portion of the humerus (H2). The compression set can then be removed.

A titre d'exemple non limitatif et illustré par la figure 3, considérant 2 pièces de forme cubique (A et B) séparées par un espace, une plaque de forme rectangulaire [(M) représentant le moyen de liaison] est appliquée sur A et B. Cette plaque comporte en regard de A plusieurs orifices permettant sa fixation sur A par l'intermédiaire de vis (1 et 2). M est donc solidaire de A. M comporte en regard de B plusieurs orifices dont l'un d'entre eux est un orifice ovale asymétrique. L'introduction, au niveau du plus petit diamètre (Dl) de l'orifice ovale asymétrique du cylindre à embout conique va provoquer une contrainte dont le résultat sera une mobilisation de l'ensemble (M + A) de telle sorte que A se rapproche de B. L'effet obtenu est une compression de A sur B. Une fois cet effet obtenu, des vis (3 et 4) peuvent être mises en place pour solidariser M et B et pérenniser ainsi la compression obtenue entre A et B grâce au dispositif de mise en compression.  By way of nonlimiting example and illustrated by FIG. 3, considering two cubic pieces (A and B) separated by a space, a rectangular plate [(M) representing the connecting means] is applied to A and B. This plate has a plurality of orifices to A for fixing it to A by means of screws (1 and 2). M is therefore integral with A. M has opposite B several orifices, one of which is an asymmetrical oval orifice. The introduction, at the level of the smaller diameter (D1) of the asymmetrical oval orifice of the conical tip cylinder will cause a constraint, the result of which will be a mobilization of the assembly (M + A) so that A gets closer The effect obtained is a compression of A on B. Once this effect has been obtained, screws (3 and 4) can be put in place to secure M and B and thereby sustain the compression obtained between A and B by virtue of compression device.

L'ensemble de mise en compression est particulièrement destiné à la compression de deux parties séparées par un espace et destinées à venir au contact l'une de l'autre.  The compression set is particularly intended for the compression of two parts separated by a space and intended to come into contact with one another.

Claims (5)

Revendicationsclaims 1) Ensemble de mise en compression de deux éléments disposés vis à vis l'un de l'autre, notamment dans le cadre d'une fracture osseuse, caractérisé en ce qu'il est constitué d'une part d'un moyen de liaison (M) fixé sur l'un des éléments précités (A), le dit moyen de liaison étant pourvu d'un orifice ovale asymétrique (5) et d'au moins deux orifices (3 et 4) permettant sa fixation sur l'autre élément (B), et d'autre part une tige pleine (6) pourvue à l'une de ses extrémités d'une poignée (9), et à l'autre extrémité d'un embout conique (7) destiné à prendre place dans l'orifice ovale asymétrique (5), ladite tige pleine (6) étant mobile au moyen d'un pas de vis (8) dans un cylindre creux (10) pourvu d'un pas de vis(11) et à sa base d'un appui (12) de sorte que l'embout conique (7) exerce une pression sur l'orifice ovale asymétrique (5) provoquant un déplacement de l'organe de liaison (M) selon une direction perpendiculaire à celle du cylindre suivant un sens du plus grand diamètre (D2) vers le plus petit diamètre (D 1).  1) Compression set of two elements arranged opposite one another, particularly in the context of a bone fracture, characterized in that it consists on the one hand of a connecting means (M) fixed on one of the aforementioned elements (A), said connecting means being provided with an asymmetrical oval orifice (5) and at least two orifices (3 and 4) allowing its attachment to the other element (B), and secondly a solid rod (6) provided at one of its ends with a handle (9), and at the other end of a conical tip (7) intended to take place in the asymmetrical oval orifice (5), said solid rod (6) being movable by means of a thread (8) in a hollow cylinder (10) provided with a thread (11) and at its base a support (12) so that the conical tip (7) exerts a pressure on the asymmetric oval orifice (5) causing a displacement of the connecting member (M) in a direction perpendicular to that of the next cylinder a sen s from the largest diameter (D2) to the smallest diameter (D 1). 2) Ensemble de mise en compression selon la revendication 1 caractérisé en ce que 15 l'orifice ovale asymétrique (5) est situé à proximité des orifices circulaires (3 et 4).  2) compression set according to claim 1 characterized in that the asymmetrical oval orifice (5) is located near the circular orifices (3 and 4). 3) Ensemble de mise en compression selon la revendication 2 caractérisé en ce que le moyen de liaison (M) est constitué par une plaque.  3) compression set according to claim 2 characterized in that the connecting means (M) is constituted by a plate. 4) Ensemble de mise en compression selon la revendication 2 caractérisé en ce que le moyen de liaison (M) est constitué par un clou qui est soit plein, soit creux.  4) compression set according to claim 2 characterized in that the connecting means (M) is constituted by a nail which is either solid or hollow. 5) Ensemble de mise en compression selon la revendication 1 caractérisé en ce que les orifices 3 et 4 sont circulaires de façon à permettre le passage d'une vis de fixation.  5) compression set according to claim 1 characterized in that the orifices 3 and 4 are circular so as to allow the passage of a fixing screw.
FR0314092A 2003-12-01 2003-12-01 ASSEMBLY FOR COMPRESSORING TWO ELEMENTS DISPOSED OF THE ONE OF THE OTHER ESPECIALLY IN THE FRAMEWORK OF A BONE FRACTURE Expired - Fee Related FR2862862B1 (en)

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FR0314092A FR2862862B1 (en) 2003-12-01 2003-12-01 ASSEMBLY FOR COMPRESSORING TWO ELEMENTS DISPOSED OF THE ONE OF THE OTHER ESPECIALLY IN THE FRAMEWORK OF A BONE FRACTURE

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FR0314092A FR2862862B1 (en) 2003-12-01 2003-12-01 ASSEMBLY FOR COMPRESSORING TWO ELEMENTS DISPOSED OF THE ONE OF THE OTHER ESPECIALLY IN THE FRAMEWORK OF A BONE FRACTURE

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8449581B2 (en) * 2007-05-07 2013-05-28 Stryker Trauma Gmbh Sliding plate with reinforced slot
US9855082B2 (en) 2009-05-12 2018-01-02 DePuy Synthes Products, Inc. Readjustable locking plate hole

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4388921A (en) * 1980-05-28 1983-06-21 Institut Straumann Ag Device comprising a plate and screws for fastening a plate to a bone
EP0207884A2 (en) * 1985-07-05 1987-01-07 Mecron Medizinische Produkte Gmbh Straight self-tensioning bone plate
US5643265A (en) * 1995-04-13 1997-07-01 Fastenetix, L.L.C. Dynamic compression polyaxial locking screw plate assembly
US5779704A (en) * 1996-03-19 1998-07-14 Kim; Andrew C. Bi-directional universal dynamic compression device
US20010047172A1 (en) * 1999-10-13 2001-11-29 Foley Kevin T. System and method for securing a plate to the spinal column

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4388921A (en) * 1980-05-28 1983-06-21 Institut Straumann Ag Device comprising a plate and screws for fastening a plate to a bone
EP0207884A2 (en) * 1985-07-05 1987-01-07 Mecron Medizinische Produkte Gmbh Straight self-tensioning bone plate
US5643265A (en) * 1995-04-13 1997-07-01 Fastenetix, L.L.C. Dynamic compression polyaxial locking screw plate assembly
US5779704A (en) * 1996-03-19 1998-07-14 Kim; Andrew C. Bi-directional universal dynamic compression device
US20010047172A1 (en) * 1999-10-13 2001-11-29 Foley Kevin T. System and method for securing a plate to the spinal column

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8449581B2 (en) * 2007-05-07 2013-05-28 Stryker Trauma Gmbh Sliding plate with reinforced slot
US9855082B2 (en) 2009-05-12 2018-01-02 DePuy Synthes Products, Inc. Readjustable locking plate hole
US10799275B2 (en) 2009-05-12 2020-10-13 DePuy Synthes Products, Inc. Readjustable locking plate hole

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