FR2627983A1 - Handling device for hip prosthesis implant - has movable jaws for engaging neck of femoral component operated by relative pivotal action of grip handle and shaft - Google Patents

Handling device for hip prosthesis implant - has movable jaws for engaging neck of femoral component operated by relative pivotal action of grip handle and shaft Download PDF

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Publication number
FR2627983A1
FR2627983A1 FR8802646A FR8802646A FR2627983A1 FR 2627983 A1 FR2627983 A1 FR 2627983A1 FR 8802646 A FR8802646 A FR 8802646A FR 8802646 A FR8802646 A FR 8802646A FR 2627983 A1 FR2627983 A1 FR 2627983A1
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FR
France
Prior art keywords
rod
prosthesis
jaw
handle
cap
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
FR8802646A
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French (fr)
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FR2627983B1 (en
Inventor
Victor Deloison
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.)
VECTEUR ORTHOPEDIC SA
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VECTEUR ORTHOPEDIC SA
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Publication date
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Priority to FR8802646A priority Critical patent/FR2627983B1/en
Publication of FR2627983A1 publication Critical patent/FR2627983A1/en
Application granted granted Critical
Publication of FR2627983B1 publication Critical patent/FR2627983B1/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • 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
    • A61F2/4603—Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor for insertion or extraction of endoprosthetic joints or of accessories thereof
    • A61F2/4607—Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor for insertion or extraction of endoprosthetic joints or of accessories thereof of hip femoral endoprostheses
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B5/00—Clamps
    • B25B5/06—Arrangements for positively actuating jaws
    • B25B5/12—Arrangements for positively actuating jaws using toggle links
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B7/00—Pliers; Other hand-held gripping tools with jaws on pivoted limbs; Details applicable generally to pivoted-limb hand tools
    • B25B7/12—Pliers; Other hand-held gripping tools with jaws on pivoted limbs; Details applicable generally to pivoted-limb hand tools involving special transmission means between the handles and the jaws, e.g. toggle levers, gears
    • B25B7/123—Pliers; Other hand-held gripping tools with jaws on pivoted limbs; Details applicable generally to pivoted-limb hand tools involving special transmission means between the handles and the jaws, e.g. toggle levers, gears with self-locking toggle levers
    • 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
    • A61F2/0095—Packages or dispensers for prostheses or other implants
    • 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
    • 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
    • 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
    • A61F2002/30667—Features concerning an interaction with the environment or a particular use of the prosthesis
    • A61F2002/30718—Means for protecting prosthetic parts, e.g. during operation
    • 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
    • A61F2/30771—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth applied in original prostheses, e.g. holes or grooves
    • A61F2002/30795—Blind bores, e.g. of circular cross-section
    • 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
    • A61F2/3094—Designing or manufacturing processes
    • A61F2002/30975—Designing or manufacturing processes made of two halves
    • 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
    • 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
    • A61F2/4603—Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor for insertion or extraction of endoprosthetic joints or of accessories thereof
    • A61F2002/4625—Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor for insertion or extraction of endoprosthetic joints or of accessories thereof with relative movement between parts of the instrument during use
    • A61F2002/4628—Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor for insertion or extraction of endoprosthetic joints or of accessories thereof with relative movement between parts of the instrument during use with linear motion along or rotating motion about an axis transverse to the instrument axis or to the implantation direction, e.g. clamping
    • 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
    • A61F2002/4681—Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor by applying mechanical shocks, e.g. by hammering
    • 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
    • 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
    • A61F2310/00011—Metals or alloys
    • A61F2310/00017—Iron- or Fe-based alloys, e.g. stainless steel

Landscapes

  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Orthopedic Medicine & Surgery (AREA)
  • Mechanical Engineering (AREA)
  • Transplantation (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Biomedical Technology (AREA)
  • Cardiology (AREA)
  • Vascular Medicine (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Prostheses (AREA)

Abstract

The device includes a grip handle (2) and shaft (7) arranged to engage and secure the ball end of the femoral implant (13). The handle is pivotally attached to a plate (5), to which the shaft is also slidably connected via a sleeve (6). The plate is extended to form one (8) of implant-engaging jaws. The jaw assembly includes a protective head (12) for the ball end of the implant. A second jaw (10) is connected via a pivotable link rod (9) to be moveable against the implant neck under the action of the grip handle. USE/ADVANTAGE - Secure, quick-release grip for installation of implant.

Description

La présente invention concerne un dispositif de mise en place de prothèses fémorales de hanches qui permet de manipuler une prothèse et de l'introduire dans le canal médulaire tout en pouvant imprimer à la prothèse la rotation indispensable à sa mise en place avec antéversion. The present invention relates to a device for placing femoral hip prostheses which makes it possible to manipulate a prosthesis and introduce it into the medular canal while being able to impart to the prosthesis the rotation essential for its positioning with anteversion.

L'homme de l'art sait que l'antéversion est la position angulaire de la prothèse en position normale. En général, pour les prothèses fémorales de hanches l'antéversion est de 10 à 150 du fait que la tête du fémur est orientée vers l'avant
Le dispositif de mise en place de la présente invention se compose de deux parties fondamentales qui coopèrent ensemble r une desdites parties ayant pour objet d'immobiliser la prothèse dans un cylindre tandis que sa coopération avec l'autre partie permet un verrouillage. Un avantage du dispositif de mise en place de la présente invention réside en ce qu'il est facile à manipuler et notamment il peut être manipulé d'une seule main dans la position de mise en place.Those skilled in the art know that anteversion is the angular position of the prosthesis in the normal position. In general, for femoral hip prostheses the anteversion is from 10 to 150 because the head of the femur is oriented forward
The positioning device of the present invention consists of two fundamental parts which cooperate together with one of said parts intended to immobilize the prosthesis in a cylinder while its cooperation with the other part allows locking. An advantage of the positioning device of the present invention lies in that it is easy to handle and in particular it can be manipulated with one hand in the positioning position.

Une telle manipulation avec une seule main constitue un avantage extrêmement important pour un chirurgien car son autre main est libre pour une autre tâche. Such manipulation with one hand is an extremely important advantage for a surgeon because his other hand is free for another task.

Pour autant qu'on le sache, on ne connaît pas dans l'art antérieur un dispositif de mise en place de prothèses fémorales de hanches ayant la structure du dispositif selon la présente invention. As far as is known, there is no known in the prior art a device for placing femoral hip prostheses having the structure of the device according to the present invention.

Le dispositif de la présente invention simplifie considérablement la mise en place des protheses fémorales de hanches grâce à la structure d'utilisation pratique du-dit dispositif. The device of the present invention considerably simplifies the placement of hip femoral prostheses thanks to the practical use structure of said device.

Il existait depuis longtemps dans le domaine de la chirurgie des prothèses de hanches,un besoin pour un dispositif du type de celui de la présente invention qui est très facile à utiliser.  There has been a long history in the field of hip prosthesis surgery, a need for a device of the type of the present invention which is very easy to use.

La présente invention a donc pour objet un dispositif de mise en place de prothèses fémorales de hanches comprenant en combinaison une poignée de manoeuvre et une tige coopérant avec la prothèse, ladite poignée étant prolongée par un corps pourvu d'une chape dans laquelle pivote une patte munie d'une part d'un manchon dans lequel coulisse la tige et d'autre part d'une mâchoire, ledit corps portant également un étrier pivotant sur lequel est articulée en bout une deuxième mâchoire destinée à s'appliquer contre la première mâchoire lorsque la tête de prothèse munie d'un capuchon protecteur a été introduite dans ladite première re mâchoire et lorsque la tige est au contact du capuchon recouvrant la tête de prothèse après son insertion dans le manchon , la poignée étant progressivement appliquée contre la tige pour verrouiller la prothèse en réunissant les deux mâchoires alors que le déverrouillage est effectué en sens inverse par éloignement de la poignée de la tige
La présente invention concerne également les caractéristiques ci-après considérées isolément ou selon toutes leurs combinaisons techniquement possibles
- chaque mâchoire présente une section hémicylindrique;
- la tige. présente à son extrémité distale une partie arrondie et à son extrémité proximale une enclume;
- les deux axes de pivotement de l'étrier sont parallèles à l'axe de pivotement de la patte
- l'extrémité du manchon tournée vers les mâchoires est tronconique
- la mâchoire portée sur la patte comporte à sa partie supérieure un évidement dans lequel vient s'appliquer l'extrémité distale de la tige;;
- la tête de prothèse est recouverte d'un capuchon réalisé en deux demi-parties qui sont asujetties en place;
- chaque capuchon présente un picot de fixation et une ouverture correspondante pour la fixation sur la tête de la prothèse
- le dispositif est réalisé en acier inoxydable.The present invention therefore relates to a device for placing femoral hip prostheses comprising in combination an operating handle and a rod cooperating with the prosthesis, said handle being extended by a body provided with a yoke in which pivots a tab. provided on the one hand with a sleeve in which the rod slides and on the other hand with a jaw, said body also carrying a pivoting stirrup on which is articulated at the end a second jaw intended to be applied against the first jaw when the prosthesis head provided with a protective cap has been introduced into said first jaw and when the rod is in contact with the cap covering the prosthesis head after its insertion into the sleeve, the handle being gradually applied against the rod to lock the prosthesis by joining the two jaws while unlocking is performed in the opposite direction by moving the handle away from the stem
The present invention also relates to the characteristics below considered in isolation or in all their technically possible combinations
- each jaw has a semi-cylindrical section;
- the stem. has a rounded part at its distal end and an anvil at its proximal end;
- the two pivot axes of the stirrup are parallel to the pivot axis of the tab
- the end of the sleeve facing the jaws is tapered
- The jaw carried on the tab has at its upper part a recess in which is applied the distal end of the rod;
- The prosthesis head is covered with a cap made of two half-parts which are secured in place;
- each cap has a fixing pin and a corresponding opening for fixing on the head of the prosthesis
- the device is made of stainless steel.

Divers avantages et caractéristiques de la présente invention ressortiront de la description détaillée ci-après faite en regard des dessins annexés sur lesquels
Fig.l est une vue de face en position de verrouillage du dispositif de l'invention;
Fig.2 est une vue de face correspondant à celle de la figure 1 avant le verrouillage du dispositif de l'invention;
Fig.3 est une vue de face de la prothèse et du capuchon recouvrant la tête
Fig.4 est une vue de face de la poignée et du corps portant les mâchoires ;
Fig.5 est une vue de face de la tige de manoeuvre;
Fig.6 est une vue de face de la moitié d'un capuchon;
Fig.7 est une vue de côté prise suivant la ligne Vil-Vil de la figure 7;;
Fig.8 est une vue de côté prise suivant la ligne Vili-Vili de la figure 4
Aux dessins annexés , où les mêmes symboles de référence désignent des parties analogues , le dispositif de mise en place de prothèses fémorales de hanches selon la présente invention est désigné dans son ensemble par l.Le dispositif 1 comprend une poignée 2 prolongée par un corps 3 pourvu à son extrémité opposée d'une chape 4 dans laquelle pivote une patte 5 . L'ensemble constitué par la poignée 2 et le corps 3 a une fonction de pince qui coopère avec la tige 7 pour obtenir un verrouillage. Lors du verrouillage la poignée 2 vient s'appliquer dans l'alignement de la tige 7 comme illustré sur la figure 1.Pour libérer la tête de prothèse 11 , il suffit de manipuler la poignée 2 vers l'avant pour libérer la mâchoire 8 et sortir la prothèse 13 ou la rentrer
La prothèse 13 est bloquée lorsque les mâchoires 8
et 10 sont réunies et lorsque la poignée 2 et la tige 7
sont contigües . Various advantages and characteristics of the present invention will emerge from the detailed description below made with reference to the appended drawings in which
Fig.l is a front view in the locking position of the device of the invention;
Fig.2 is a front view corresponding to that of Figure 1 before the locking of the device of the invention;
Fig.3 is a front view of the prosthesis and the cap covering the head
Fig.4 is a front view of the handle and the body carrying the jaws;
Fig.5 is a front view of the operating rod;
Fig.6 is a front view of half of a cap;
Fig.7 is a side view taken along the line Vil-Vil of Figure 7 ;;
Fig.8 is a side view taken along the Vili-Vili line of Figure 4
In the accompanying drawings, where the same reference symbols designate similar parts, the device for placing femoral hip prostheses according to the present invention is designated as a whole by 1. The device 1 comprises a handle 2 extended by a body 3 provided at its opposite end with a yoke 4 in which a lug 5 pivots. The assembly constituted by the handle 2 and the body 3 has a clamp function which cooperates with the rod 7 to obtain a locking. When locking the handle 2 is applied in alignment with the rod 7 as illustrated in FIG. 1. To release the prosthesis head 11, it suffices to manipulate the handle 2 forwards to release the jaw 8 and take out prosthesis 13 or take it in
The prosthesis 13 is blocked when the jaws 8
and 10 are met and when the handle 2 and the rod 7
are contiguous.

I1 est prévu sur la patte 5 un manchon 6 dont la
fonction est de faire passer la tige 7 et de permettre son
coulissement jusqu'à ce que son extrémité distale 14 vienne
se loger dans l'évidement 20.I1 is provided on the tab 5 a sleeve 6 whose
function is to pass the rod 7 and allow its
sliding until its distal end 14 comes
fit in the recess 20.

L'extrémité proximale 15 de la tige 7 sert à
l'enfoncement . Le corps 3 porte également un étrier pivo
tant 9 à axes de pivotement 17, 18 parallèles à celui de la
patte 5 sur lequel est articulée en bout une deuxième mâ choir 10 destinée à s'appliquer contre la première mâchoi
re 8. La tête de prothèse 11 est munie d'un capuchon
protecteur 12.The proximal end 15 of the rod 7 serves to
the depression. The body 3 also carries a pivot bracket
both 9 with pivot axes 17, 18 parallel to that of the
tab 5 on which a second chuck 10 is hinged at the end intended to be applied against the first jaw
re 8. The prosthesis head 11 is provided with a cap
protector 12.

La figure 1 illustre clairement la position de ver
rouillage souhaitée
La figure 2 correspond à celle de la figure 1 mais il
s'agit d'une vue intermédiaire dans laquelle la poignée 2
n'est pas appliquée en position de verrouillage contre la
tige 7. Cette figure 2 permet de mieux comprendre comment
s articulent la poignée 2 et le corps 3
La figure 3 illustre la prothèse et son capuchon pro
tecteur qui vont être introduits dans le dispositif de mise
en place de la présente invention. Comme illustré sur cette
figure 3 , la prothèse 13 comporte une queue 21 et une tête
11 ainsi qu'un col 25.Tant la tête 11 de la prothèse 13
que son col 25 sont recouverts par un capuchon 12 en
deux parties . Le capuchon en deux parties présente des -rainures latérales 22 , un. picot de fixation 23 et une ou
verture 24
La figure 6 illustre une moitié de capuchon qui com
porte en outre à la base un évidement 28.Figure 1 clearly illustrates the worm position
desired rusting
Figure 2 corresponds to that of Figure 1 but it
this is an intermediate view in which the handle 2
is not applied in the locked position against
stem 7. This figure 2 provides a better understanding of how
hinge handle 2 and body 3
Figure 3 illustrates the prosthesis and its pro cap
guard which will be introduced into the setting device
in place of the present invention. As illustrated on this
Figure 3, the prosthesis 13 has a tail 21 and a head
11 as well as a neck 25. As the head 11 of the prosthesis 13
that its neck 25 are covered by a cap 12 in
two parts . The two-part cap has lateral grooves 22, one. fixing pin 23 and one or
verture 24
Figure 6 illustrates one half of the cap which com
further carries at the base a recess 28.

La figure 4 illustre la structure de la poignée et du
corps 3 portant les différents pivots 17,19. Figure 4 illustrates the structure of the handle and
body 3 carrying the various pivots 17.19.

La figure 5 illustre la structure de la tige notamment son extrémité distale 14 arrondie et son extrémité proximale 15 pourvue d'une enclume 16. FIG. 5 illustrates the structure of the rod, in particular its rounded distal end 14 and its proximal end 15 provided with an anvil 16.

Les figures 7 et 8 permettent de bien comprendre la façon dont coopère d'une part la tige 7 et d'autre part la prothèse 13 lorsqu'elle est insérée dans la poignée 2 et le corps 3 sur lequel s'articulent d'une part un étrier 9 et d'autre part une patte 5
Comme représenté sur les figures 4 et 8, le corps 3 est prolongé dans la poignée 2 par un ancrage 26.Chaque mâchoire 8, 10 présente une section hémi-cylindrique 27. Il importe de remarquer que les deux axes de pivotement 17, 18 de l'étrier 9 sont parallèles à l'axe de pivotement 19 de la patte 5 .L'extrémité du manchon 6 tournée vers les m - choires 8, 10 est tronconique
La mâchoire 8 portée sur la patte 5 comporte à sa partie supérieure un évidement 20 sur lequel vient s'appliquer l'extrémité distale14 de la tige de manoeuvre 7
La tête de prothèse 11 est recouverte comme illustré sur les figures 3 et 6 d'un capuchon 12 réalisé en deux demi-parties qui sont assujetties en place . Ce capuchon est habituellement en matière plastique semi-rigide. Le dispositif de mise en place de prothèses fémorales de hanches de la présente invention est habituellement en le même matériau que la prothèse elle-même et il s'agit , en général d'acier inoxydable
La présente invention n'est pas limitée aux modes de réalisations représentés et décrits en détails et diverses modifications peuvent y être apportées sans sortir de son cadre
Les signes de référence insérés après les caraeLéris- tiques techniques mentionnées dans les revendications ont pour seul but de faciliter la compréhension de ces dernières et n'en limitent aucunement la portée. Figures 7 and 8 provide a good understanding of how the rod 7 cooperates on the one hand and the prosthesis 13 on the other hand when it is inserted into the handle 2 and the body 3 on which are articulated on the one hand a stirrup 9 and on the other hand a lug 5
As shown in Figures 4 and 8, the body 3 is extended in the handle 2 by an anchor 26. Each jaw 8, 10 has a semi-cylindrical section 27. It is important to note that the two pivot axes 17, 18 of the caliper 9 are parallel to the pivot axis 19 of the lug 5. The end of the sleeve 6 facing the jaws 8, 10 is frustoconical
The jaw 8 carried on the tab 5 has at its upper part a recess 20 on which is applied the distal end14 of the operating rod 7
The prosthesis head 11 is covered as illustrated in FIGS. 3 and 6 with a cap 12 produced in two half-parts which are secured in place. This cap is usually made of semi-rigid plastic. The device for placing femoral hip prostheses of the present invention is usually made of the same material as the prosthesis itself and is generally stainless steel.
The present invention is not limited to the embodiments shown and described in detail and various modifications can be made without departing from its scope.
The reference signs inserted after the technical specifications mentioned in the claims are intended only to facilitate understanding of the latter and in no way limit their scope.

Claims (9)

REVENDICATIONS 1. Dispositif de mise en place de prothèses fémorales de hanches comprenant en. combinaison une poignée de manoeuvre (2) et une tige (7) coopérant avec la prothèse (13), ladite poignée (2) étant prolongée par un corps (3) pourvu d'une chape (4) dans laquelle pivote une patte (5) munie d'une part d'un manchon (6) dans lequel coulisse la tige (7) et d'autre part d'une mâchoire (8) , ledit corps (3) portant également un étrier pivotant (9) sur lequel est articulée en bout une deuxième mâchoire (8) destinée à s'appliquer contre la première mâchoire (9) lorsque la tête de prothèse (11) munie d'un capuchon protecteur (12) a été introduite dans ladite première mâchoire (8) et lorsque la tige (7) est au contact du capuchon (12) recouvrant la tête de prothèse (11) après son insertion dans le manchon (6) la poignée (2) étant progressivement appliquée contre la tige (7) pour verrouiller la prothèse (13) en réunissant les deux mâchoires (8, 10) alors que le déverrouillage est effectué en sens inverse par éloignement de la poignée (2) de la tige (7). 1. Device for placing femoral hip prostheses comprising. combination of an operating handle (2) and a rod (7) cooperating with the prosthesis (13), said handle (2) being extended by a body (3) provided with a yoke (4) in which a tab (5) pivots ) provided on the one hand with a sleeve (6) in which the rod (7) slides and on the other hand with a jaw (8), said body (3) also carrying a pivoting stirrup (9) on which is articulated at the end a second jaw (8) intended to be applied against the first jaw (9) when the prosthesis head (11) provided with a protective cap (12) has been introduced into said first jaw (8) and when the rod (7) is in contact with the cap (12) covering the prosthesis head (11) after its insertion into the sleeve (6) the handle (2) being progressively applied against the rod (7) to lock the prosthesis (13 ) by joining the two jaws (8, 10) while unlocking is carried out in the opposite direction by moving the handle (2) away from the rod (7). 2. Dispositif selon la revendication 1, caractérisé en ce que chaque mâchoire (8, 10) présente une section hémi-cylindrique (27). 2. Device according to claim 1, characterized in that each jaw (8, 10) has a semi-cylindrical section (27). 3. Dispositif selon l'une quelconque des revendications 1 ou 2 , caractérisé en ce que la tige (7) présente à son extrémité distale (14) une partie arrondie et à son extrémité proximale (15) une enclume (16). 3. Device according to any one of claims 1 or 2, characterized in that the rod (7) has at its distal end (14) a rounded part and at its proximal end (15) an anvil (16). 4. Dispositif selon l'une quelconque des revendications 1 à 3, caractérisé en ce que les deux axes de pivotement (17, 18) de l'étrier (9) sont parallèles à l'axe de pivotement (19) de la patte (5). 4. Device according to any one of claims 1 to 3, characterized in that the two pivot axes (17, 18) of the stirrup (9) are parallel to the pivot axis (19) of the tab ( 5). 5.Dispositif selon l'une quelconque des revendications 1 à 4 , caractérisé en ce que l'extrémité du manchon (6) tournée vers les mâchoires (8, 10) est tronconique. 5. Device according to any one of claims 1 to 4, characterized in that the end of the sleeve (6) facing the jaws (8, 10) is frustoconical. 6.Dispositif selon l'une quelconque des revendications 1 à 5, caractérisé en ce que la mâchoire (8) portée sur la patte (5) comporte à sa partie supérieure un évidement (20) dans lequel vient s'appliquer l'extrémité distale (14) de la tige (7). 6.A device according to any one of claims 1 to 5, characterized in that the jaw (8) carried on the tab (5) has at its upper part a recess (20) in which the distal end is applied (14) of the rod (7). 7.Dispositif selon l'une quelconque des revendications 1 à 6, caractérisé en ce que la tête de prothèse (il) est recouverte d'un capuchon (12) réalisé en deux demiparties qui sont assujetties en place 7. Device according to any one of claims 1 to 6, characterized in that the prosthesis head (il) is covered with a cap (12) produced in two half-portions which are secured in place 8. Dispositif selon l'une quelconque des revendications 1 à 7, caractérisé en ce que chaque capuchon (12) présente un picot de fixation (23) et une ouverture correspondante (24) pour la fixation sur la tête (11) de la prothèse (13). 8. Device according to any one of claims 1 to 7, characterized in that each cap (12) has a fixing pin (23) and a corresponding opening (24) for fixing on the head (11) of the prosthesis (13). 9.Dispositif selon l'une quelconque des revendications 1 à 8, caractérisé en ce qu'il est réalisé en acier inoxydable  9. Device according to any one of claims 1 to 8, characterized in that it is made of stainless steel
FR8802646A 1988-03-02 1988-03-02 DEVICE FOR PLACING FEMALE HIP PROSTHESES Expired - Fee Related FR2627983B1 (en)

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FR8802646A FR2627983B1 (en) 1988-03-02 1988-03-02 DEVICE FOR PLACING FEMALE HIP PROSTHESES

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FR8802646A FR2627983B1 (en) 1988-03-02 1988-03-02 DEVICE FOR PLACING FEMALE HIP PROSTHESES

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FR2627983B1 FR2627983B1 (en) 1997-05-16

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Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0645127A1 (en) * 1993-09-27 1995-03-29 Zsolt Szabo Hip prostheses extractor with sliding mass
US5499986A (en) * 1994-01-07 1996-03-19 Smith & Nephew Richards Inc. Quick release handle apparatus for removing and inserting intramedullary nails
FR2770128A1 (en) * 1997-10-24 1999-04-30 Aesculap Sa Hip joint prosthesis and fitting tool
EP0968693A2 (en) * 1998-06-29 2000-01-05 Johnson & Johnson Medical Limited Inserter device
EP0940128A3 (en) * 1998-03-02 2000-10-25 Benoist Girard Et Cie Prosthesis inserter
EP0940127A3 (en) * 1998-03-02 2000-11-02 Benoist Girard Et Cie Prosthesis inserter
JP2009507587A (en) * 2005-09-09 2009-02-26 ヴアルデマール・リンク・ゲゼルシヤフト・ミツト・ベシユレンクテル・ハフツング・ウント・コンパニー・コマンデイトゲゼルシヤフト Insertion device for an internal prosthesis with a prosthetic trunk inserted into the medullary cavity
US7799086B2 (en) 2002-04-25 2010-09-21 Zimmer Technology, Inc. Modular bone implant, tools, and method
FR2947169A1 (en) * 2009-06-30 2010-12-31 Xnov HALF RING HOLDER WITH MOBILE JAW
WO2012001384A1 (en) * 2010-07-01 2012-01-05 Finsbury (Development) Ltd An impactor
US8690951B2 (en) 2005-11-18 2014-04-08 Zimmer, Gmbh Base platform for an artificial joint
FR3133123A1 (en) * 2022-03-07 2023-09-08 Claude MAJOU DEVICE FOR EXTRACTING A PROSTHETIC ELEMENT SUCH AS A FEMORAL ROD

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Publication number Priority date Publication date Assignee Title
GB581670A (en) * 1944-10-10 1946-10-21 William Thomas George Jenkins Improvements in or relating to clamps
FR1042322A (en) * 1951-09-20 1953-10-30 Hand gripper with high gripping power and adjustable stroke
FR1236863A (en) * 1959-09-29 1960-07-22 Clamping jaw pliers
FR2151863A5 (en) * 1971-08-09 1973-04-20 Thackray C F Ltd
US3857389A (en) * 1973-06-06 1974-12-31 H Amstutz Prosthesis holder
DE3010421A1 (en) * 1980-03-19 1981-09-24 Waldemar Link (Gmbh & Co), 2000 Hamburg INSTRUMENT FOR HOLDING AND INSERTING THE TIBIA PLATE FOR A KNEE-JOINT SLIDING PROSTHESIS
EP0207873B1 (en) * 1985-06-24 1989-12-20 Equipement Medical Et Chirurgical De L'ouest Prosthesis holder

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB581670A (en) * 1944-10-10 1946-10-21 William Thomas George Jenkins Improvements in or relating to clamps
FR1042322A (en) * 1951-09-20 1953-10-30 Hand gripper with high gripping power and adjustable stroke
FR1236863A (en) * 1959-09-29 1960-07-22 Clamping jaw pliers
FR2151863A5 (en) * 1971-08-09 1973-04-20 Thackray C F Ltd
US3857389A (en) * 1973-06-06 1974-12-31 H Amstutz Prosthesis holder
DE3010421A1 (en) * 1980-03-19 1981-09-24 Waldemar Link (Gmbh & Co), 2000 Hamburg INSTRUMENT FOR HOLDING AND INSERTING THE TIBIA PLATE FOR A KNEE-JOINT SLIDING PROSTHESIS
EP0207873B1 (en) * 1985-06-24 1989-12-20 Equipement Medical Et Chirurgical De L'ouest Prosthesis holder

Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5534006A (en) * 1993-09-27 1996-07-09 Zsolt Szabo Knockout tool for joint prostheses
EP0645127A1 (en) * 1993-09-27 1995-03-29 Zsolt Szabo Hip prostheses extractor with sliding mass
US5499986A (en) * 1994-01-07 1996-03-19 Smith & Nephew Richards Inc. Quick release handle apparatus for removing and inserting intramedullary nails
FR2770128A1 (en) * 1997-10-24 1999-04-30 Aesculap Sa Hip joint prosthesis and fitting tool
EP0940128A3 (en) * 1998-03-02 2000-10-25 Benoist Girard Et Cie Prosthesis inserter
EP0940127A3 (en) * 1998-03-02 2000-11-02 Benoist Girard Et Cie Prosthesis inserter
EP0968693A2 (en) * 1998-06-29 2000-01-05 Johnson & Johnson Medical Limited Inserter device
EP0968693A3 (en) * 1998-06-29 2001-10-24 Johnson & Johnson Medical Limited Inserter device
US8075628B2 (en) 2002-04-25 2011-12-13 Zimmer, Inc. Modular bone implant, tools, and method
US7799086B2 (en) 2002-04-25 2010-09-21 Zimmer Technology, Inc. Modular bone implant, tools, and method
JP2009507587A (en) * 2005-09-09 2009-02-26 ヴアルデマール・リンク・ゲゼルシヤフト・ミツト・ベシユレンクテル・ハフツング・ウント・コンパニー・コマンデイトゲゼルシヤフト Insertion device for an internal prosthesis with a prosthetic trunk inserted into the medullary cavity
US8690951B2 (en) 2005-11-18 2014-04-08 Zimmer, Gmbh Base platform for an artificial joint
FR2947169A1 (en) * 2009-06-30 2010-12-31 Xnov HALF RING HOLDER WITH MOBILE JAW
US8262668B2 (en) 2009-06-30 2012-09-11 Xnov Hip file carrier with a movable jaw
WO2012001384A1 (en) * 2010-07-01 2012-01-05 Finsbury (Development) Ltd An impactor
FR3133123A1 (en) * 2022-03-07 2023-09-08 Claude MAJOU DEVICE FOR EXTRACTING A PROSTHETIC ELEMENT SUCH AS A FEMORAL ROD
WO2023170356A1 (en) * 2022-03-07 2023-09-14 Claude Majou Device for extracting a prosthetic element such as a femoral rod

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