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FR2674119A1 - Device for guiding the sliding of the osteosynthesis screws for an intracapsular fracture of the neck of the femur - Google Patents

Device for guiding the sliding of the osteosynthesis screws for an intracapsular fracture of the neck of the femur
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Publication number
FR2674119A1
FR2674119A1FR9103533AFR9103533AFR2674119A1FR 2674119 A1FR2674119 A1FR 2674119A1FR 9103533 AFR9103533 AFR 9103533AFR 9103533 AFR9103533 AFR 9103533AFR 2674119 A1FR2674119 A1FR 2674119A1
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France
Prior art keywords
femur
distal
thread
screw
anchoring
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Granted
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FR9103533A
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French (fr)
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FR2674119B1 (en
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Fixano SA
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Fixano SA
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Priority to FR9103533ApriorityCriticalpatent/FR2674119B1/en
Publication of FR2674119A1publicationCriticalpatent/FR2674119A1/en
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Publication of FR2674119B1publicationCriticalpatent/FR2674119B1/en
Anticipated expirationlegal-statusCritical
Expired - Fee Relatedlegal-statusCriticalCurrent

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Abstract

The object of the present invention is to guide and centre the sliding of the screw or screws used for osteosynthesis of intracapsular fractures of the neck of the femur. The device is a cylinder (B) introduced around the headless and cylindrical distal part of the screw (A). The cylinder (B) is blocked by being screwed into the osseous orifice for introduction of the equipment. The screwing is achieved by means of a thread situated on the outer surface of the distal sector of the cylinder, the pitch increasing in the proximodistal direction.

Description

Translated fromFrench

DISPOSITIF DE GUIDAGE DU GLISSEMENT
DES VIS D'OSTEOSYNTHESE
POUR FRACTURE INTRA-CAPSULAIRE DU COL DU FEMUR
I - Le dispositif (figure 1) vise à guider et centrer au niveau de l'orifice d'entrée du fémur, la vis (A) d'ostéosynthèse pour fracture du col du fémur au cours de son glissement progressif post-opératoire. Ce dispositif est composé d'un cylindre (B), introduit autour de la partie distale de la vis démunie de tête. Il est introduit par l'orifice osseux (1) agrandi et il est vissé dans le tissu osseux cortical.
SLIDING GUIDE DEVICE
OSTEOSYNTHESIS SCREWS
FOR INTRA-CAPSULAR FRACTURE OF THE FEMUR'S NECK
I - The device (FIG. 1) aims to guide and center, at the level of the femur entry orifice, the screw (A) for osteosynthesis for fracture of the neck of the femur during its progressive post-operative sliding. This device is composed of a cylinder (B), introduced around the distal part of the headless screw. It is introduced through the enlarged bone opening (1) and is screwed into the cortical bone tissue.

Il - Le modèle de base (figure 2) est donc un cylindre (B) de longueur variable, mais au moins inférieure à la moitié de la longueur du segment non fileté de la vis. La surface extérieure présente 2 parties : les 2 tiers proximaux (2) sont faits d'une surface lisse, introduits dans la partie la plus profonde du fémur. Le tiers distal (3) est muni d'un filetage acéré dont la hauteur des filets croit dans le sens proximo-distal. C'est la partie qui sera vissée dans l'orifice osseux du fémur (1) et assurera un ancrage du cylindre.II - The basic model (Figure 2) is therefore a cylinder (B) of variable length, but at least less than half the length of the unthreaded segment of the screw. The outer surface has 2 parts: the 2 proximal thirds (2) are made of a smooth surface, inserted into the deepest part of the femur. The distal third (3) is provided with a sharp thread whose height of the threads increases in the proximo-distal direction. This is the part that will be screwed into the bone opening of the femur (1) and will anchor the cylinder.

La surface intérieure (figure 3) est entièrement cylindrique et lisse (4), de diamètre légèrement supérieur au corps lisse de la vis, permettant ainsi un jeu de glissement de la vis (A) dans la pièce guide (B).The internal surface (FIG. 3) is entirely cylindrical and smooth (4), with a diameter slightly greater than the smooth body of the screw, thus allowing a play of sliding of the screw (A) in the guide part (B).

III - Le modèle de base (B) peut être remplacé par tout autre dispositif capable d'améliorer l'ancrage du cylindre dans l'orifice osseux fémoral.III - The basic model (B) can be replaced by any other device capable of improving the anchoring of the cylinder in the femoral bone orifice.

Ainsi, (figure 4) cette pièce (C) gardant les mêmes caractéristiques générales que la pièce (B), présente en plus des fentes longitudinales (5) dans la partie proximale, site du filetage. Ces fentes délimitent des lames (6) qui. donnent au dispositif des forces d'expansion radiaires accentuant le blocage de la pièce dans l'orifice osseux si une pince de serrage maintient celle-ci en position de fermeture lors de son vissage (figure 5).Thus, (Figure 4) this part (C) keeping the same general characteristics as the part (B), has in addition longitudinal slots (5) in the proximal part, site of the thread. These slots delimit blades (6) which. give the device radial expansion forces accentuating the blocking of the part in the osseous orifice if a clamp keeps it in the closed position when it is screwed (Figure 5).

IV - Un autre dispositif peut être envisagé à la place des pièces (B) et (C) : le dispositif d'expansion distal est compos de 2 pièces (D) et (E) (figure 6).IV - Another device can be envisaged in place of parts (B) and (C): the distal expansion device is made up of 2 parts (D) and (E) (Figure 6).

La pièce (D) (figure 7) est un cylindre de taille et de forme semblable à la pièce (B), mais elle est munie sur son tiers distal de 3 ou 4 fentes (7) longitudinales, délimitant 3 ou 4 lames (8) pouvant s'écarter de l'axe central de la pièce. La surface extérieure de chacune des lames est munie d'un système d'ancrage dans l'os : aileron longitudinal (X9) et crénelure (10).The part (D) (figure 7) is a cylinder of size and shape similar to the part (B), but it is provided on its distal third with 3 or 4 slots (7) longitudinal, delimiting 3 or 4 blades (8 ) which can deviate from the central axis of the part. The outer surface of each of the blades is provided with an anchoring system in the bone: longitudinal fin (X9) and notch (10).

La surface intérieure des lames présente un filetage (11).The inner surface of the blades has a thread (11).

L'écartement des lames et leur ancrage dans l'orifice osseux est assure par vissage de la pièce (E) (figure 8). C'est un anneau globalement cylindrique de longueur 10 à 15 mm, muni sur sa surface extérieure d'un filetage dont les filets croissent en hauteur dans le sens proximo-distal (12). Sa surface intérieure (figure 9) est lisse (13) et rigoureusement cylindrique. Son diamètre est légèrement supérieur à celui du corps de la vis (A). L'écartement des lames (8) de la pièce (D) est assuré en introduisant la pièce (E) autour de la vis (A). Le vissage de la pièce (E) assure ainsi l'ancrage de la pièce (D) dans le tissu osseux. The spacing of the blades and their anchoring in the bone opening is ensured by screwing the part (E) (Figure 8). It is a generally cylindrical ring of length 10 to 15 mm, provided on its outer surface with a thread whose threads grow in height in the proximo-distal direction (12). Its interior surface (Figure 9) is smooth (13) and strictly cylindrical. Its diameter is slightly greater than that of the body of the screw (A). The spacing of the blades (8) of the part (D) is ensured by introducing the part (E) around the screw (A). The screwing of the part (E) thus ensures the anchoring of the part (D) in the bone tissue.

V - Le modèle de base et ses 2 variantes sont applicables pour tout type d'ostéosynthèse par vis du col du fémur basé sur le principe du glissement post-opératoire progressif, quel que soit la taille et le nombre de vis utilisés (figures 10, 11 et 12).V - The basic model and its 2 variants are applicable for any type of osteosynthesis using a femoral neck screw based on the principle of progressive post-operative sliding, regardless of the size and number of screws used (Figures 10, 11 and 12).

Claims (5)

Translated fromFrench
REVENDICATIONS1 - Dispositif adjoint aux vis (A) utilisées dans l'ostéosynthèse des fractures intra-capsulaires du col du fémur et dont la fonction est d'assurer leur centrage distal lors de leur glissement progressif après leur mise en place. Le dispositif est un cylindre (B) introduit autour de la partie distale lisse et cylindrique de la vis et ancré par vissage dans l'orifice osseux d'introduction dans le fémur.1 - Device attached to the screws (A) used in osteosynthesis of intra-capsular fractures of the neck of the femur and whose function is to ensure their distal centering during their gradual sliding after their placement. The device is a cylinder (B) introduced around the smooth and cylindrical distal part of the screw and anchored by screwing in the osseous orifice for introduction into the femur.2 - Dispositif selon la revendication 1 caractérisé en ce que la pièce (B) est munie à sa partie distale de sa surface extérieure d'un filetage dont les filets sont de hauteur croissante dans le sens proximo-distal, tandis que le reste de la surface extérieure de la pièce est lisse.2 - Device according to claim 1 characterized in that the part (B) is provided at its distal part of its outer surface with a thread whose threads are of increasing height in the proximo-distal direction, while the rest of the outer surface of the workpiece is smooth.3 - Dispositif selon la revendication 2 caractérisé en ce que l'ancrage osseux de la pièce (B) peut être accentué en utilisant une pièce (C) munie d'un dispositif d'expansion distale grâce à des fentes longitudinales séparant des lames pouvant s'écarter de l'axe central de la pièce grâce à des forces radiaires.3 - Device according to claim 2 characterized in that the bone anchoring of the part (B) can be accentuated by using a part (C) provided with a distal expansion device thanks to longitudinal slots separating blades which can s '' deviate from the central axis of the room thanks to radiating forces.4 - Dispositif selon les revendications 1, 2 et 3 caractérisé en ce que le mode d'ancrage de la pièce cylindrique utilise un autre dispositif comportant 2 pièces - La pièce (D) cylindrique comporte à sa partie distale des fentes longitudinales (7). La surface extérieure des lames ainsi délimitée (8) est munie d'ailerons (9) et de crénelures (10) afin d'améliorer l'ancrage dans l'orifice osseux. La surface intérieure quant à elle, est munie d'un filetage.4 - Device according to claims 1, 2 and 3 characterized in that the anchoring mode of the cylindrical part uses another device comprising 2 parts - The cylindrical part (D) has at its distal part longitudinal slots (7). The outer surface of the blades thus delimited (8) is provided with fins (9) and notches (10) in order to improve the anchoring in the bone orifice. The interior surface is provided with a thread. - La pièce (E) est un anneau de 10 à 15 mm de longueur. Sur sa surface extérieure, il y a un filetage de hauteur croissante (12) qui sera vissé dans le pas de vis de la surface intérieure de la partie distale du cylindre (D). La surface intérieure de la pièce (E) est lisse. Ainsi, en vissant la pièce (E) autour du corps de la vis (A), on crée un processus d'écartement progressif des lames, ce qui assure un dosage de l'ancrage du dispositif dans l'orifice osseux du fémur. - The part (E) is a ring 10 to 15 mm long. On its outer surface, there is a thread of increasing height (12) which will be screwed into the thread of the inner surface of the distal part of the cylinder (D). The interior surface of the part (E) is smooth. Thus, by screwing the part (E) around the body of the screw (A), a process of progressive separation of the blades is created, which assures a dosage of the anchoring of the device in the bone opening of the femur.5 - Dispositif selon les revendications de 1 à 4 caractérisé en ce que les dispositifs présentés sont applicables à toute vis capable de glisser après ostéosynthèse pour fracture intra-capsulaire du col du fémur, quel que soit la taille et le nombre de vis utilisés.5 - Device according to claims from 1 to 4 characterized in that the devices presented are applicable to any screw capable of sliding after osteosynthesis for intra-capsular fracture of the neck of the femur, whatever the size and the number of screws used.
FR9103533A1991-03-221991-03-22 DEVICE FOR GUIDING THE SLIDING OF OSTEOSYNTHESIS SCREWS FOR INTRA-CAPSULAR FRACTURE OF THE FEMUR'S NECK.Expired - Fee RelatedFR2674119B1 (en)

Priority Applications (1)

Application NumberPriority DateFiling DateTitle
FR9103533AFR2674119B1 (en)1991-03-221991-03-22 DEVICE FOR GUIDING THE SLIDING OF OSTEOSYNTHESIS SCREWS FOR INTRA-CAPSULAR FRACTURE OF THE FEMUR'S NECK.

Applications Claiming Priority (1)

Application NumberPriority DateFiling DateTitle
FR9103533AFR2674119B1 (en)1991-03-221991-03-22 DEVICE FOR GUIDING THE SLIDING OF OSTEOSYNTHESIS SCREWS FOR INTRA-CAPSULAR FRACTURE OF THE FEMUR'S NECK.

Publications (2)

Publication NumberPublication Date
FR2674119A1true FR2674119A1 (en)1992-09-25
FR2674119B1 FR2674119B1 (en)1993-06-18

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FR9103533AExpired - Fee RelatedFR2674119B1 (en)1991-03-221991-03-22 DEVICE FOR GUIDING THE SLIDING OF OSTEOSYNTHESIS SCREWS FOR INTRA-CAPSULAR FRACTURE OF THE FEMUR'S NECK.

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Cited By (27)

* Cited by examiner, † Cited by third party
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WO1994004086A1 (en)*1992-08-251994-03-03Alexandre WorcelOsteosynthesis device
FR2698261A1 (en)*1992-11-241994-05-27Lacaffiniere Jean Yves De Device for guiding a double screw of the neck of the femur for locked trochantero-diaphyseal nail.
US5409486A (en)*1993-04-161995-04-25Phoenix Surgical Products, Inc.Double threaded arthrodesis screw
FR2718200A1 (en)*1994-03-301995-10-06T2C SarlStabilised pin for insertion into fractured bones during surgery
WO1996015737A1 (en)*1994-11-191996-05-30Merck Patent GmbhJoint prosthesis
WO1996032899A1 (en)*1995-04-211996-10-24Gerd WerdingNail for maintaining the location and shape of broken long bones
WO1997025930A1 (en)*1996-01-181997-07-24Synthes Ag ChurThreaded washer
FR2745709A1 (en)*1996-03-081997-09-12Caffiniere Jean Yves DeScrew threaded retainer for bone fractures
NL1009831C2 (en)*1998-08-102000-02-11Novarticulate Bv Hip prosthesis as well as an assembly of a hip prosthesis and a clamping tool.
US6077265A (en)*1995-04-212000-06-20Werding; GerdNail for fixing the position and shape of broken long bones
US6127597A (en)*1997-03-072000-10-03Discotech N.V.Systems for percutaneous bone and spinal stabilization, fixation and repair
WO2000067652A3 (en)*1999-05-112001-04-19Gerhard HehlImplant for operative treatment of femoral neck fractures and the like
WO2004030549A1 (en)*2002-10-012004-04-15Synthes Ag ChurDevice for fixing bones
NL1026925C2 (en)*2004-08-302006-03-01Univ Delft Tech Joint prosthesis, blocking organ and method for bone fixation.
US7097648B1 (en)1999-01-272006-08-29Disc-O-Tech Medical Technologies Ltd.Expandable element delivery system
WO2008098728A3 (en)*2007-02-122008-10-23Stryker Trauma GmbhFixation device
US8809418B2 (en)2004-03-212014-08-19DePuy Synthes Products, LLCMethods, materials and apparatus for treating bone and other tissue
US8956368B2 (en)2003-06-172015-02-17DePuy Synthes Products, LLCMethods, materials and apparatus for treating bone and other tissue
US8992541B2 (en)2003-03-142015-03-31DePuy Synthes Products, LLCHydraulic device for the injection of bone cement in percutaneous vertebroplasty
US9254153B2 (en)2007-04-192016-02-09Stryker Trauma GmbhHip fracture device with static locking mechanism allowing compression
US9259696B2 (en)2005-11-222016-02-16DePuy Synthes Products, Inc.Mixing apparatus having central and planetary mixing elements
US9642932B2 (en)2006-09-142017-05-09DePuy Synthes Products, Inc.Bone cement and methods of use thereof
US9839460B2 (en)2003-03-312017-12-12DePuy Synthes Products, Inc.Remotely-activated vertebroplasty injection device
US9918767B2 (en)2005-08-012018-03-20DePuy Synthes Products, Inc.Temperature control system
US10111697B2 (en)2003-09-262018-10-30DePuy Synthes Products, Inc.Device for delivering viscous material
USRE47427E1 (en)1999-01-272019-06-11Medtronic Holding Company SárlExpandable intervertebral spacer
US10494158B2 (en)2006-10-192019-12-03DePuy Synthes Products, Inc.Fluid delivery system

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US9381024B2 (en)2005-07-312016-07-05DePuy Synthes Products, Inc.Marked tools
EP2094197B8 (en)2006-12-072016-03-09IHip Surgical, LLCApparatus for total hip replacement
US8974540B2 (en)2006-12-072015-03-10Ihip Surgical, LlcMethod and apparatus for attachment in a modular hip replacement or fracture fixation device
US8579985B2 (en)2006-12-072013-11-12Ihip Surgical, LlcMethod and apparatus for hip replacement
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Cited By (46)

* Cited by examiner, † Cited by third party
Publication numberPriority datePublication dateAssigneeTitle
FR2695026A1 (en)*1992-08-251994-03-04Alexandre Worcel Device for maintaining compression of a fractured bone.
US5437674A (en)*1992-08-251995-08-01Alexandre WorcelOsteosynthesis device
WO1994004086A1 (en)*1992-08-251994-03-03Alexandre WorcelOsteosynthesis device
FR2698261A1 (en)*1992-11-241994-05-27Lacaffiniere Jean Yves De Device for guiding a double screw of the neck of the femur for locked trochantero-diaphyseal nail.
EP0599752A1 (en)*1992-11-241994-06-01Fixano SaOsteosynthesis device for trochanter or intertrochanter fracture
US5409486A (en)*1993-04-161995-04-25Phoenix Surgical Products, Inc.Double threaded arthrodesis screw
FR2718200A1 (en)*1994-03-301995-10-06T2C SarlStabilised pin for insertion into fractured bones during surgery
WO1996015737A1 (en)*1994-11-191996-05-30Merck Patent GmbhJoint prosthesis
US5888206A (en)*1994-11-191999-03-30Merck Patent GmbhJoint prothesis
US6025537A (en)*1995-04-212000-02-15Werding; GerdNail for maintaining the location and shape of broken long bones
WO1996032899A1 (en)*1995-04-211996-10-24Gerd WerdingNail for maintaining the location and shape of broken long bones
US6077265A (en)*1995-04-212000-06-20Werding; GerdNail for fixing the position and shape of broken long bones
KR100417221B1 (en)*1996-01-182004-06-14신테스 아게 츄어 Apparatus for fixing small bone fragments
US5899906A (en)*1996-01-181999-05-04Synthes (U.S.A.)Threaded washer
US6048344A (en)*1996-01-182000-04-11Synthes (U.S.A.)Threaded washer and bone screw apparatus
WO1997025930A1 (en)*1996-01-181997-07-24Synthes Ag ChurThreaded washer
US5997541A (en)*1996-01-181999-12-07Synthes (U.S.A)Threaded washer
FR2745709A1 (en)*1996-03-081997-09-12Caffiniere Jean Yves DeScrew threaded retainer for bone fractures
US6127597A (en)*1997-03-072000-10-03Discotech N.V.Systems for percutaneous bone and spinal stabilization, fixation and repair
NL1009831C2 (en)*1998-08-102000-02-11Novarticulate Bv Hip prosthesis as well as an assembly of a hip prosthesis and a clamping tool.
WO2000009044A1 (en)*1998-08-102000-02-24Novarticulate Holdings LimitedJoint prosthesis and anchoring means
US7097648B1 (en)1999-01-272006-08-29Disc-O-Tech Medical Technologies Ltd.Expandable element delivery system
USRE47427E1 (en)1999-01-272019-06-11Medtronic Holding Company SárlExpandable intervertebral spacer
WO2000067652A3 (en)*1999-05-112001-04-19Gerhard HehlImplant for operative treatment of femoral neck fractures and the like
WO2004030549A1 (en)*2002-10-012004-04-15Synthes Ag ChurDevice for fixing bones
US8992541B2 (en)2003-03-142015-03-31DePuy Synthes Products, LLCHydraulic device for the injection of bone cement in percutaneous vertebroplasty
US10799278B2 (en)2003-03-142020-10-13DePuy Synthes Products, Inc.Hydraulic device for the injection of bone cement in percutaneous vertebroplasty
US9186194B2 (en)2003-03-142015-11-17DePuy Synthes Products, Inc.Hydraulic device for the injection of bone cement in percutaneous vertebroplasty
US9839460B2 (en)2003-03-312017-12-12DePuy Synthes Products, Inc.Remotely-activated vertebroplasty injection device
US10485597B2 (en)2003-03-312019-11-26DePuy Synthes Products, Inc.Remotely-activated vertebroplasty injection device
US8956368B2 (en)2003-06-172015-02-17DePuy Synthes Products, LLCMethods, materials and apparatus for treating bone and other tissue
US9504508B2 (en)2003-06-172016-11-29DePuy Synthes Products, Inc.Methods, materials and apparatus for treating bone and other tissue
US10039585B2 (en)2003-06-172018-08-07DePuy Synthes Products, Inc.Methods, materials and apparatus for treating bone and other tissue
US10111697B2 (en)2003-09-262018-10-30DePuy Synthes Products, Inc.Device for delivering viscous material
US8809418B2 (en)2004-03-212014-08-19DePuy Synthes Products, LLCMethods, materials and apparatus for treating bone and other tissue
US9750840B2 (en)2004-03-212017-09-05DePuy Synthes Products, Inc.Methods, materials and apparatus for treating bone and other tissue
NL1026925C2 (en)*2004-08-302006-03-01Univ Delft Tech Joint prosthesis, blocking organ and method for bone fixation.
WO2006025729A1 (en)*2004-08-302006-03-09Technische Universiteit DelftJoint prosthesis and method of bone fixation
US9918767B2 (en)2005-08-012018-03-20DePuy Synthes Products, Inc.Temperature control system
US9259696B2 (en)2005-11-222016-02-16DePuy Synthes Products, Inc.Mixing apparatus having central and planetary mixing elements
US10631906B2 (en)2005-11-222020-04-28DePuy Synthes Products, Inc.Apparatus for transferring a viscous material
US9642932B2 (en)2006-09-142017-05-09DePuy Synthes Products, Inc.Bone cement and methods of use thereof
US10272174B2 (en)2006-09-142019-04-30DePuy Synthes Products, Inc.Bone cement and methods of use thereof
US10494158B2 (en)2006-10-192019-12-03DePuy Synthes Products, Inc.Fluid delivery system
WO2008098728A3 (en)*2007-02-122008-10-23Stryker Trauma GmbhFixation device
US9254153B2 (en)2007-04-192016-02-09Stryker Trauma GmbhHip fracture device with static locking mechanism allowing compression

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TPTransmission of property
CAChange of address
CDChange of name or company name
STNotification of lapse

Effective date:20091130


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