FR2707479A1 - Device for fixing a prosthetic implant in a bone cavity using cement - Google Patents

Device for fixing a prosthetic implant in a bone cavity using cement Download PDF

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Publication number
FR2707479A1
FR2707479A1 FR9308437A FR9308437A FR2707479A1 FR 2707479 A1 FR2707479 A1 FR 2707479A1 FR 9308437 A FR9308437 A FR 9308437A FR 9308437 A FR9308437 A FR 9308437A FR 2707479 A1 FR2707479 A1 FR 2707479A1
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cement
elements
cavity
connecting element
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French (fr)
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FR2707479B1 (en
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Cuilleron Olivier
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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
    • A61B17/88—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
    • 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
    • A61F2/30721—Accessories
    • A61F2/30724—Spacers for centering an implant in a bone cavity, e.g. in a cement-receiving cavity
    • 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
    • A61F2/34—Acetabular cups
    • 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
    • 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
    • A61F2/3609—Femoral heads or necks; Connections of endoprosthetic heads or necks to endoprosthetic femoral shafts
    • 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
    • A61F2002/30003—Material related properties of the prosthesis or of a coating on the prosthesis
    • A61F2002/3006—Properties of materials and coating materials
    • A61F2002/30062—(bio)absorbable, biodegradable, bioerodable, (bio)resorbable, resorptive
    • 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
    • A61F2002/30199—Three-dimensional shapes
    • A61F2002/30242—Three-dimensional shapes spherical
    • 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
    • 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
    • A61F2002/30621—Features concerning the anatomical functioning or articulation of the prosthetic joint
    • A61F2002/30649—Ball-and-socket joints
    • A61F2002/30662—Ball-and-socket joints with rotation-limiting means
    • 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
    • A61F2/30907—Nets or sleeves applied to surface of prostheses or in cement
    • A61F2002/30909—Nets
    • 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
    • A61F2/34—Acetabular cups
    • A61F2002/3479—Cage-like shells, e.g. hemispherical outer shells made of meridian strips or wires connected to an equatorial strip, rim or wire
    • 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
    • A61F2/34—Acetabular cups
    • A61F2002/348—Additional features
    • A61F2002/3493—Spherical shell significantly greater than a hemisphere, e.g. extending over more than 200 degrees
    • 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
    • A61F2/3609—Femoral heads or necks; Connections of endoprosthetic heads or necks to endoprosthetic femoral shafts
    • A61F2002/3625—Necks
    • A61F2002/3631—Necks with an integral complete or partial peripheral collar or bearing shoulder at its base
    • 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
    • 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
    • A61F2210/00—Particular material properties of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
    • A61F2210/0004—Particular material properties of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof bioabsorbable
    • 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
    • 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
    • A61F2230/0063—Three-dimensional shapes
    • A61F2230/0071—Three-dimensional shapes spherical
    • 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
    • A61F2310/00—Prostheses classified in A61F2/28 or A61F2/30 - A61F2/44 being constructed from or coated with a particular material
    • A61F2310/00005—The prosthesis being constructed from a particular material
    • A61F2310/00179—Ceramics or ceramic-like structures
    • A61F2310/00293—Ceramics or ceramic-like structures containing a phosphorus-containing compound, e.g. apatite

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

Abstract

The fixation device comprises spacer means (1) joined by at least one connection element (2) in order to be introduced into the cavity with a view to guaranteeing a constant thickness of the cement after fitting of the implant in the said cavity so as to bear against the said spacer means (1).

Description

Dispositif de fixation nar ciment d'un implant Drothétiaue dans une cavité osseuse
L'invention concerne plus particulièrement la fixation par ciment de tout type d'implants orthopédiques devant être implantés dans une cavité osseuse. C'est le cas notamment des implants devant être impactés dans la cavité cotyloîdienne de l'os iliaque.Nar cement fixation device for a Drothetia implant in a bone cavity
The invention relates more particularly to the cement fixation of all types of orthopedic implants to be implanted in a bone cavity. This is particularly the case for implants to be impacted in the acetabular cavity of the iliac bone.

Pour obtenir une fixation sure, efficace et durable dans le temps1 il est nécessaire, dans la mesure du possible, de garantir une épaisseur constante du ciment orthopédique sous peine de voir apparaître des risques de déscellement Il est nécessaire que l'implant exerce des forces d'appui dans la cavité concemée régulièrement réparties. To obtain a secure, effective and durable fixation over time1 it is necessary, as far as possible, to guarantee a constant thickness of the orthopedic cement, otherwise risk of loosening appear. It is necessary that the implant exerts forces of 'support in the concemed cavity regularly distributed.

Pour tenter d'obtenir une répartition uniforme de la couche de ciment, différentes solutions ont été proposées notamment dans le cas des implants cotyloldiens. En effet, très souvent des risques de descellement apparaissent avec ce type d'implants où les contraintes exercées au niveau de la cavité cotyloïde sont très importantes. In an attempt to obtain a uniform distribution of the cement layer, various solutions have been proposed, in particular in the case of acetabular implants. Indeed, very often risks of loosening appear with this type of implants where the stresses exerted at the level of the acetabular cavity are very significant.

Parmi ces différentes solutions, on peut citer les Brevets GB 2.080.118, US 4.566.138, FR 2.617.040. Pour l'essenffei, ces documents divulguent des agencements tonnés en débordement de la périphérie de l'anneau cotyloidien. Ces agencements sont le plus souvent constitués par des bossages formés soit directement, soit de manière rapportée en débordement de l'anneau considéré. Il apparat donc que ces différents bossages font partie intégrante de l'anneau et se trouvent donc limités à l'application spécifique envisagée. Among these different solutions, there may be mentioned the Patents GB 2,080,118, US 4,566,138, FR 2,617,040. For essenffei, these documents disclose arrangements tonnées in overflow of the periphery of the acetabular ring. These arrangements are most often constituted by bosses formed either directly, or in a reported manner overflowing the ring considered. It therefore appears that these different bosses are an integral part of the ring and are therefore limited to the specific application envisaged.

II apparat donc que les solutions techniques employées font partie intégrante de l'implant considéré, de sorte qu'il n'est pas possible d'envisager de les utiliser pour d'autres types d'implants. It therefore appears that the technical solutions used are an integral part of the implant considered, so that it is not possible to envisage using them for other types of implants.

L'invention s'est fixée pour but de remédier à ces inconvénients d'une manière simple, sure, efficace et rationneile.  The invention aims to remedy these drawbacks in a simple, safe, effective and efficient manner.

Le problème que se propose de résoudre l'invention est d'obtenir une épaisseur constante de la couche de ciment devant etre introduite dans la cavité après mise en place de l'implant, et ceci quel que soit le type d'implant. Notamment il est apparu nécessaire de proposer une solution totalement indépendante de l'implant considéré. The problem that the invention proposes to solve is to obtain a constant thickness of the cement layer to be introduced into the cavity after the implant has been placed, and this regardless of the type of implant. In particular, it appeared necessary to propose a solution completely independent of the implant considered.

Pour résoudre un tel problème, il a été conçu et mis au point un dispositif qui comprend des moyens entretoises réunis par au moins un élément de liaison pour être introduit dans la cavité en vue de garantir une épaisseur constante du ciment après mise en place de l'implant dans ladite cavité en appui sur lesdits moyens entretoises. To solve such a problem, a device has been designed and developed which comprises spacer means joined by at least one connecting element to be introduced into the cavity in order to guarantee a constant thickness of the cement after placement of the implant in said cavity resting on said spacer means.

Pour résoudre le problème posé de permettre une répartition du ciment par rapport au moyen entretoise, le ou les éléments de liaison sont de type filiforme. To solve the problem posed of allowing a distribution of the cement relative to the spacer means, the connecting element or elements are of filiform type.

A partie de cette conception de base, différentes solutions peuvent être employées: - soit les moyens entretoises débordent de part et d'autre du ou des éléments de liaison, notamment de manière équidistante; - soit les moyens entretoises débordent d'un seul côté du ou des éléments de liaison;
Avantageusement, pour résoudre le problème posé d'obtenir une structure rigide avec capacité de déformation, le ou les éléments de liaison constituent une structure grillagée. II en résuite que cette structure constitue un élément de renforcement du ciment.From this basic design, different solutions can be used: - either the spacer means protrude on either side of the connecting element or elements, in particular equidistantly; - Either the spacer means protrude on one side of the connecting element or elements;
Advantageously, to solve the problem of obtaining a rigid structure with deformation capacity, the connecting element or elements constitute a mesh structure. It follows that this structure constitutes an element for reinforcing the cement.

Pour résoudre le problème posé de simplifier la mise en oeuvre au niveau de la fabrication et de la mise en place dans la cavité de l'os considéré, les moyens entretoises sont constitués par des billes. To solve the problem posed of simplifying the implementation at the manufacturing level and the positioning in the cavity of the bone in question, the spacer means consist of balls.

Un autre problème important que se propose de résoudre l'invention est de faire disparaitre au bout d'un temps déterminé l'ensemble du dispositif, de sorte que les moyens entretoises et le ou les éléments de liaison sont en matériau biodégrable. Celui-ci peut être remplacé par de l'os ou par des matériaux de comblement à base d'hydroxyapathite ou de phosphate tricalcique. Another important problem which the invention proposes to solve is to make the entire device disappear after a determined time, so that the spacer means and the connecting element or elements are made of biodegradable material. This can be replaced by bone or by filling materials based on hydroxyapathite or tricalcium phosphate.

L'invention est exposée, ci-après plus en détail à l'aide des dessins annexés, dans lesquels:
La figure 1 est une vue en coupe du dispositif d'entretoisement monté dans le fond de la cavité cotyloTde et avant mise en place de l'implant. The invention is set out below in more detail using the appended drawings, in which:
Figure 1 is a sectional view of the bracing device mounted in the bottom of the acetabular cavity and before placement of the implant.

La figure 2 est une vue correspondant à la figure 1 montrant l'impaction de l'implant dans la cavité cotyloïde équipé du dispositif afin de garantir une épaisseur constante du ciment
La figure 3 est une vue en coupe correspondant à la figure 2 après effacement des éléments constitutifs du dispositif.Figure 2 is a view corresponding to Figure 1 showing the impact of the implant in the acetabular cavity equipped with the device in order to guarantee a constant thickness of the cement
Figure 3 is a sectional view corresponding to Figure 2 after erasing the components of the device.

Les figures 4, 5, 6 et 7 sont des vues à plus grande échelle montrant des exemples nullement limitatif de différentes formes de réalisation du dispositif.  Figures 4, 5, 6 and 7 are views on a larger scale showing non-limiting examples of different embodiments of the device.

Les différentes figures des dessins montrent l'application du dispositif à un implant cotyloidien comprenant, d'une manière parfaitement connue de l'homme du métier, une cupule (C) dans laquelle est articulée la tête sphérique d'un élément fémoral (F). Ces dispositions ne sont pas décrites en détail car elles ne font pas partie de l'objet spécifique de l'invention et ne concement qu'un exemple nullement limitatif du dispositif. The various figures of the drawings show the application of the device to an acetabular implant comprising, in a manner perfectly known to those skilled in the art, a cup (C) in which the spherical head of a femoral element (F) is articulated. . These provisions are not described in detail since they do not form part of the specific object of the invention and only concern an example which is in no way limitative of the device.

Selon l'invention, le dispositif comprend des moyens entretoises (1) réunis par au moins un élément de liaison (2). Le ou les éléments de liaison (2) sont du type filiforme et sont conformés pour réaliser, en combinaison avec les moyens entretoises (1), une structure avec capacité de déformation. Les éléments (2) peuvent réunir les moyens entretoises (1) selon différentes formes géométriques en fonction notamment de l'application envisagée notamment du type d'implants considérés. According to the invention, the device comprises spacer means (1) joined by at least one connecting element (2). The connecting element (s) (2) are of the filiform type and are shaped to produce, in combination with the spacer means (1), a structure with deformation capacity. The elements (2) can bring together the spacer means (1) according to different geometric shapes depending in particular on the application envisaged, in particular on the type of implants considered.

Les figures 6 et 7 montrent deux exemples de liaison des moyens entretoises (1) par les éléments filiformes (2). De meme, les moyens entretoises (I) peuvent déborder de part et d'autre des éléments de liaison (2) (figure 5), d'une manière équidistante ou non, ou bien déborder d'un seul côté du ou des éléments de liaison (2) (figure 4). Figures 6 and 7 show two examples of connection of the spacer means (1) by the filiform elements (2). Likewise, the spacer means (I) can extend on either side of the connecting elements (2) (FIG. 5), in an equidistant manner or not, or else protrude on one side of the element (s) link (2) (Figure 4).

Avantageusement, les moyens entretoises (t) sont réunis par les éléments de liaison (2) pour constituer une structure grillagée (figure 7). Advantageously, the spacer means (t) are joined by the connecting elements (2) to form a mesh structure (Figure 7).

Les moyens entretoises sont constitués par des billes dont le diamètre correspond à l'épaisseur désirée de la couche de ciment (3). The spacer means consist of balls whose diameter corresponds to the desired thickness of the cement layer (3).

Bien évidemment, on n'exclut pas d'autres formes géométriques des moyens entretoises (1) à la seule condition qu'ils fassent office de butée à l'implant pour garantir une épaisseur constante de la couche de ciment (3).Obviously, other geometric shapes are not excluded from the spacer means (1) on the sole condition that they act as a stop for the implant to guarantee a constant thickness of the cement layer (3).

Le dispositif est de mise en oeuvre particulièrement simple. En effet, il suffit de disposer l'ensemble des billes entretoises (I) réunies par les éléments (2) dans la cavité de l'os considéré. Compte tenu du caractère déformable de la structure ainsi constituée, cette dernière épouse sans difficulté le profil de la cavité. Dans les exemples illustrés, la structure remplit le fond de la cavité cotylofdienne de l'os iliaque (figure 1). The device is particularly simple to implement. Indeed, it suffices to have all the spacer balls (I) joined by the elements (2) in the cavity of the bone considered. Given the deformable nature of the structure thus formed, the latter easily follows the profile of the cavity. In the examples illustrated, the structure fills the bottom of the acetabular cavity of the iliac bone (Figure 1).

Les billes sont en appui dans le fond de cette cavité. L'implant prothétique (C) prend appui sur les billes (1) garantissant ainsi un espace constant (e) et par conséquent une épaisseur constante du ciment (3) (figure 2).The balls are supported in the bottom of this cavity. The prosthetic implant (C) rests on the balls (1) thus guaranteeing a constant space (e) and therefore a constant thickness of the cement (3) (Figure 2).

Les différents éléments (1 et 2) sont exécutés en matériau biodégradable de sorte qu'au bout d'un temps déterminé, ces demiers disparaissent (figure 3). Les différents éléments (1 et 2) peuvent également etre exécutés en matériau favorisant la repousse osseuse. The different elements (1 and 2) are made of biodegradable material so that after a certain time, these last disappear (Figure 3). The various elements (1 and 2) can also be made of material promoting bone regrowth.

Les avantages ressortent bien de la description, en particulier on souligne et on rappelle:
- La totale indépendance du dispositif par rapport à l'implant considéré, de sorte qu'il n'est pas nécessaire de prévoir des agencements particuliers au niveau de l'implant en tant que tel.The advantages clearly emerge from the description, in particular it is emphasized and recalled:
- The complete independence of the device with respect to the implant considered, so that it is not necessary to provide special arrangements at the level of the implant as such.

- L'application du dispositif à tous types d'implants. - The application of the device to all types of implants.

- La simplicité de mise en oeuvre. - The simplicity of implementation.

- Le caractère biodégradable des éléments constitutifs du dispositif. - The biodegradable nature of the components of the device.

- Le caractère ostéogénique.  - The osteogenic character.

Claims (8)

REVENDICATIONS -1- Dispositif de fixation par ciment d'un implant prothétique dans une cavité osseuse, caractérisé en ce qu'il comprend des moyens entretoises (1) réunis par au moins un élément de liaison (2) pour être introduits dans la cavité en vue de garantir une épaisseur constante du ciment après mise en place de l'implant dans ladite cavité en appui sur lesdits moyens entretoises (1). -1- Device for fixing by cement a prosthetic implant in a bone cavity, characterized in that it comprises spacer means (1) joined by at least one connecting element (2) to be introduced into the cavity in view to guarantee a constant thickness of the cement after placing the implant in said cavity bearing on said spacer means (1). -2- Dispositif selon la revendication 1, caractérisé en ce que le ou les éléments de liaison (2) sont de type filiforme.-2- Device according to claim 1, characterized in that the connecting element or elements (2) are of filiform type. -3- Dispositif selon la revendication 1, caractérisé en ce que les moyens entretoises (1) débordent de part et d'autre du ou des éléments de liaison (2).-3- Device according to claim 1, characterized in that the spacer means (1) protrude on either side of the connecting element or elements (2). -4- Dispositif selon la revendication 3, caractérisé en ce que les moyens entretoises (1) débordent de part et d'autres du ou des éléments de liaison (2) de manière équidistante.-4- Device according to claim 3, characterized in that the spacer means (1) protrude on either side of the connecting element or elements (2) equidistantly. -5- Dispositif selon la revendication 1, caractérisé en ce que les moyens entretoises (1) débordent d'un seul côté du ou des éléments de liaison (2) .-5- Device according to claim 1, characterized in that the spacer means (1) project on one side of the connecting element or elements (2). -6- Dispositif selon la revendication 2, caractérisé en ce que le ou les éléments de liaison (2) constituent une structure grillagée.-6- Device according to claim 2, characterized in that the connecting element or elements (2) constitute a mesh structure. -7- Dispositif selon la revendication I, caractérisé en ce les moyens entretoises (1) sont constitués par des billes.-7- Device according to claim I, characterized in that the spacer means (1) consist of balls. -8- Dispositif selon la revendication 1, caractérisé en ce que les moyens entretoises (1) et le ou les éléments de liaison (2) sont en matériau biodégrable. -8- Device according to claim 1, characterized in that the spacer means (1) and the connecting element or elements (2) are made of biodegradable material.
FR9308437A 1993-07-02 1993-07-02 Device for cement fixing a prosthetic implant in a bone cavity. Expired - Fee Related FR2707479B1 (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2753080A1 (en) * 1996-09-09 1998-03-13 Boom Annemarieke V D Spacer implant, for use especially in joint prosthesis surgery
WO1999003429A3 (en) * 1997-07-14 1999-04-08 Volkmar Jansson Compression endoprosthesis system
WO2004021934A2 (en) * 2002-09-04 2004-03-18 Depuy International Limited A cup assembly of an orthopaedic joint prosthesis
DE102008064175A1 (en) 2008-12-22 2010-07-15 Dot Gmbh Modular hip joint endoprosthesis
US10687947B2 (en) * 2017-05-15 2020-06-23 Biomet Manufacturing, Llc Augments and methods for implanting hip prostheses

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0011809A1 (en) * 1978-11-22 1980-06-11 Battelle-Institut e.V. Intermediate layer for securing a prosthesis
GB2080118A (en) * 1980-07-05 1982-02-03 Hardinge Kevin An acetabular cup
EP0153523A1 (en) * 1984-02-14 1985-09-04 Howmedica International Inc. Acetabular cup
US4566138A (en) * 1983-03-08 1986-01-28 Zimmer, Inc. Prosthetic device with spacers
FR2617040A1 (en) * 1987-06-23 1988-12-30 Erato Acetabular prosthesis
GB2216015A (en) * 1988-02-25 1989-10-04 James Sheehan Joint prosthesis
EP0336884A1 (en) * 1988-03-29 1989-10-11 GebràœDer Sulzer Aktiengesellschaft Reinforcement for a bed of bone cement
FR2639218A1 (en) * 1988-11-23 1990-05-25 Icp Sa Acetabular element
FR2651996A3 (en) * 1989-09-21 1991-03-22 Augoyard Marc Cemented prosthesis cup
EP0430831A1 (en) * 1989-11-28 1991-06-05 Fabrique D'implants Et D'instruments Chirurgicaux Societe A Responsabilite Limitee Artificial acetabular cup fastened in the cotyloid cavity with cement

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0011809A1 (en) * 1978-11-22 1980-06-11 Battelle-Institut e.V. Intermediate layer for securing a prosthesis
GB2080118A (en) * 1980-07-05 1982-02-03 Hardinge Kevin An acetabular cup
US4566138A (en) * 1983-03-08 1986-01-28 Zimmer, Inc. Prosthetic device with spacers
EP0153523A1 (en) * 1984-02-14 1985-09-04 Howmedica International Inc. Acetabular cup
FR2617040A1 (en) * 1987-06-23 1988-12-30 Erato Acetabular prosthesis
GB2216015A (en) * 1988-02-25 1989-10-04 James Sheehan Joint prosthesis
EP0336884A1 (en) * 1988-03-29 1989-10-11 GebràœDer Sulzer Aktiengesellschaft Reinforcement for a bed of bone cement
FR2639218A1 (en) * 1988-11-23 1990-05-25 Icp Sa Acetabular element
FR2651996A3 (en) * 1989-09-21 1991-03-22 Augoyard Marc Cemented prosthesis cup
EP0430831A1 (en) * 1989-11-28 1991-06-05 Fabrique D'implants Et D'instruments Chirurgicaux Societe A Responsabilite Limitee Artificial acetabular cup fastened in the cotyloid cavity with cement

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2753080A1 (en) * 1996-09-09 1998-03-13 Boom Annemarieke V D Spacer implant, for use especially in joint prosthesis surgery
WO1999003429A3 (en) * 1997-07-14 1999-04-08 Volkmar Jansson Compression endoprosthesis system
WO2004021934A2 (en) * 2002-09-04 2004-03-18 Depuy International Limited A cup assembly of an orthopaedic joint prosthesis
WO2004021934A3 (en) * 2002-09-04 2005-03-24 Depuy Int Ltd A cup assembly of an orthopaedic joint prosthesis
US7771486B2 (en) 2002-09-04 2010-08-10 Depuy International, Ltd. Cup assembly of an orthopaedic joint prosthesis
DE102008064175A1 (en) 2008-12-22 2010-07-15 Dot Gmbh Modular hip joint endoprosthesis
US10687947B2 (en) * 2017-05-15 2020-06-23 Biomet Manufacturing, Llc Augments and methods for implanting hip prostheses

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