INTERVERTEBRAL DISC PROSTHESIS

The invention relates to an intervertebral disc prosthesis () that comprises first and second rigid half-envelopes () in the form of plates, each intended to be secured to one of the two vertebrae adjacent to the intervertebral disc to be replaced. The first half-envelope () includes a central tubular part () oriented towards the second half-envelope, while the second half-envelope () includes a central stud () having a cross-section smaller than that of the tubular part, said stud being oriented towards the first half-envelope and inserted in the tubular part. According to the invention, the intervertebral disc prosthesis further comprises a compression pad () disposed between the two half-envelopes, including in the space between the tubular part and the stud. The compression pad () comprises a central portion () extending between the central areas of the first and second half-envelopes (), and a plurality of branches () extending perpendicularly from the central portion () and angularly offset relative to each other. 1. An intervertebral disc prosthesis comprising:first and second rigid half-envelopes in a form of shells or plates, each intended to be secured to one of two vertebrae adjacent to the intervertebral disc to be replaced,the first half-envelope including a central tubular part oriented towards the second half envelope,the second half-envelope including a central stud having a cross-section smaller than that of the tubular part,said stud being oriented towards the first half-envelope and inserted in the tubular part,the intervertebral disc prosthesis further comprising a compression pad disposed between the two half-envelopes, including in a space between the tubular part and the stud,the compression pad being secured to the first and second half-envelopes,wherein the compression pad comprises a central portion extending between the central areas of the first and second half-envelopes along an axis substantially perpendicular to the first and second ...

INTERVERTEBRAL-DISC PROSTHESIS

The intervertebral disc prosthesis comprises first and second plates () designed to be attached on one of the two vertebrae adjacent to the intervertebral disc to be replaced, and a compression pad arranged between the first and second plates. Each plate comprises first attaching means including two attaching portions () positioned symmetrically on either side of the anteroposterior median plane of said plate, second attaching means including two attaching portions () positioned symmetrically on either side of a first plane inclined by an angle comprised between 50° and 70° relative to the anteroposterior median plane of said plate, and third attaching means opposite the second attaching means relative to the anteroposterior median plane and including two attaching portions () positioned symmetrically on either side of a second plane inclined by an angle of approximately 90°, relative to the anteroposterior median plane of said plate. 1. An intervertebral disc prosthesis , comprising:first and second rigid plates each comprising an inner face and an outer face designed to be attached on one of two vertebrae adjacent to an intervertebral disc to be replaced, each of the first and second plates comprises first attaching means including two first attaching portions positioned substantially symmetrically on either side of an anteroposterior median plane of said plate, second attaching means including two second attaching portions positioned substantially symmetrically on either side of a first plane substantially perpendicular to the inner face of said plate and inclined by a first angle comprised between 50° and 70° relative to the anteroposterior median plane of said plate, and third attaching means opposite the second attaching means relative to the anteroposterior median plane and including two third attaching portions positioned substantially symmetrically on either side of a second plane substantially perpendicular to the inner face of said plate and inclined by a ...

DEVICE FOR GUIDING PIERCING TOOLS FOR PLACING A GLENOID IMPLANT

A guide device having a guide body including a bearing surface designed to bear in a glenoidal cavity of a scapula that has been prepared beforehand, the guide body including at least one through orifice emerging in the bearing surface, a reference member mounted on the guide body and including a bearing portion designed to bear on the anterior cortex of the scapula, and adjustment means arranged to adjust the position of the reference member with respect to the guide body so as to adjust the distance between the bearing portion and an axis of the through orifice. 1. A guide device for guiding piercing tools for placing a glenoid implant , comprising:a guide body comprising a bearing surface designed to bear in a glenoidal cavity of a scapula that has been prepared beforehand, the guide body comprising at least one through orifice emerging in the bearing surface,a reference member mounted on the guide body and including a bearing portion designed to bear on the anterior cortex of the scapula, andadjustment means arranged to adjust the position of the reference member with respect to the guide body so as to adjust the distance between the bearing portion and an axis of the through orifice.2. The guide device according to claim 1 , wherein the guide body comprises an mounting portion on which the reference member is movably mounted.3. The guide device according to claim 2 , wherein the adjustment means include a stop member movably assembled on the reference member claim 2 , the stop member being arranged to cooperate with the mounting portion so as to limit the travel of the reference member with respect to said mounting portion in at least one movement direction.4. The guide device according to claim 3 , wherein the adjustment means include immobilizing means for immobilizing the stop member with respect to the reference member.5. The guide device according to claim 2 , wherein the adjustment means include a thread formed on the reference member and arranged to ...

HOST AND INTESTINAL MICROBIOTA DERIVED METABOLOMIC BLOOD PLASMA SIGNATURE FOR PRIOR RADIATION INJURY

Provided are methods of determining prior radiation dose exposure levels for subjects, and kits therefor. Also provided are methods of treatment. 1. A kit for determining the dose of radiation that a subject has been exposed to , the kit comprising:a mass spectrometer;a receptacle into which a body fluid sample from the subject is placed, and which is connectable to the mass spectrometer so that the mass spectrometer can measure a plurality of metabolite levels in the sample;a microprocessor to implement an algorithm on data comprising the plurality of metabolite levels in the sample so as to determine the dose of radiation that the subject has been exposed to;a visual display and/or audible signal that indicates the dose of radiation that the subject has been exposed to.2. The kit of claim 1 , wherein the plurality of metabolites comprise metabolites arising from both the subject and from the intestinal microbiota of the subject.3. The kit of claim 1 , wherein the plurality of metabolites comprises 10 or more of the following metabolites:Thymidine2′-Deoxyuridine2-Aminobutyrate2-Hydroxyisobutyrate1-Eicosadienoylglycerophosphocholine2-PalmitoylglycerophosphocholineEctoineHomocitrulline3-HydroxypropanoateCitrulline1-ArachidonoylglycerophosphoethanolamineEquol glucuronide3-Phenylpropionate (hydrocinnamate)Stachydrine1-Palmitoleoylglycerophosphocholinechino-InositolDocosahexaenoate (DHA22:6n3)gamma-Glutamylisoleucine1-ArachidonoylglycerophosphoinositolEicosapentaenoate (EPA20:5n3)PipecolateDihomo-linolenate (20:3n3 or n6)1-Myristoylglycerophosphocholine2-LinoleoylglycerophosphoethanolamineSalicylatePhenol sulfateN-acetylhistidine4-Vinylphenol sulfate1-Linoleoylglycerophosphoethanolamine3-Indoxyl sulfatep-Cresol sulfateIndolelactate1-LinoleoylglycerophosphoinositolHomostachydrine1-PalmitoylglycerophosphoinositolEquol sulfateIndolepropionate.4. The kit of claim 1 , wherein the plurality of metabolites comprises 20 or more the listed metabolites.5. The kit of claim 1 , ...

METHOD FOR MANUFACTURING IMPLANTS FOR HIP PROSTHESIS, AND COTYLOID IMPLANT OBTAINED THEREBY

Intervertebral disc prosthesis

COTYLOID IMPLANT

MEDULAR NAIL OF OSTEOSYNTHESIS

Cervical intervertebral disc prosthesis for replacing damaged cervical intervertebral disc of vertebral column of patient, has attachment unit comprising holding portions on compression cushion, where each portion cooperates with housing

The prosthesis (2) has a compression cushion (21) placed between plates (3, 4), where each plate has an internal face and an external face. Attachment units attach the cushion to the plates. One of the attachment units has housings (27) placed on the plates, where the housings emerge in cavity (11) and another cavity arranged on internal faces of the plates. The attachment unit has a set of holding portions (29) placed on the cushion, where each of the portions is arranged to cooperate with one of the housings of the plates.

Implant i.e. cotyloid implant, fabricating method for hip prosthesis, involves sterilizing implant with sterilization gas, and positioning lined sachet containing sterile in sealed sachet, where lined sachet is filled with inert gas

The method involves taking out implant blanks from sealed sachets, and machining each blank with dimensions and final geometry of an implant to be fabricated. The implant is washed in a neutral washing liquor and water bath, and is packaged in lined sachets to pass sterilization gas i.e. ethylene oxide. The implant is sterilized with the gas. Each lined sachet containing a sterile implant is positioned in each sealed sachet, and is filled with inert gas e.g. nitrogen. A metal or ceramic wedging device is inserted in cardboard boxes. Packaging of the blanks is realized under acetylene gas. An independent claim is also included for a cotyloid implant comprising a hemispherical cavity.

COTYLOIDIAN IMPLANT CUP

Osseous preparation accessory for femur of patient to receive prosthetic femoral component of knee prosthesis, has positioning and orientation units comprising predetermined gaps along direction perpendicular to distal cutting plane

The accessory (2) has a distal cutting guidance unit (21) for guiding a cutting tool along a distal cutting plane, and a set of positioning and orientation units to position and orient the accessory with respect to a femur. The positioning and orientation units define a set of positions of the accessory with respect to the femur and maintain the distal cutting plane oriented at a predetermined angle with respect to a femoral diaphysary axis. The positioning and orientation units have predetermined gaps with respect to each other along a direction perpendicular to the distal cutting plane.

INTERVERTEBRAL DISC PROSTHESIS

Cette prothèse de disque intervertébral (2) comporte des première et seconde demi-enveloppes (3, 4) rigides en forme de plateaux, destinées chacune à être fixées sur une des deux vertèbres adjacentes au disque intervertébral à remplacer, la première demi-enveloppe (3) comportant dans sa zone centrale une pièce tubulaire (5) tournée vers la seconde demi-enveloppe, la seconde demi-enveloppe (4) comportant dans sa zone centrale un plot (6) de section inférieure à celle de la pièce tubulaire, tourné vers la première demi-enveloppe et engagé dans la pièce tubulaire, la prothèse de disque intervertébral comportant en outre un coussin de compression (7) disposé entre les deux demi-enveloppes, y compris dans le volume compris entre la pièce tubulaire et le plot. Le coussin de compression (7) comporte une portion centrale (8) s'étendant entre les zones centrales des première et seconde demi-enveloppes (3, 4), et une pluralité de branches (9, 10) s'étendant radialement à partir de la portion centrale (8) et décalées angulairement les unes par rapport aux autres. This intervertebral disk prosthesis (2) comprises rigid first and second half-envelopes (3, 4) in the form of trays, each intended to be fixed on one of the two vertebrae adjacent to the intervertebral disk to be replaced, the first half-shell ( 3) comprising in its central zone a tubular piece (5) facing the second half-casing, the second half-casing (4) comprising in its central zone a stud (6) of smaller section than that of the tubular piece, turned towards the first half-casing and engaged in the tubular piece, the intervertebral disc prosthesis further comprising a compression pad (7) disposed between the two half-casings, including in the volume between the tubular piece and the pad. The compression pad (7) has a central portion (8) extending between the central zones of the first and second half-shells (3, 4), and a plurality of branches (9, 10) extending radially from of the central portion (8) and ...

VIEWFINDER FOR LIGAMENTARY SURGERY OF THE KNEE

Ce viseur (2) comprend un corps en arc de cercle (3), un canon de visée principal (5) monté sur le corps en arc de cercle, le canon comportant un alésage s'étendant radialement par rapport au corps en arc de cercle et destiné au passage d'une broche de perçage (6), une tige de guidage (7) solidaire d'un curseur (8) mobile le long du corps en arc de cercle, la tige de guidage comportant des moyens de positionnement (9) destinés à prendre appui contre la surface extérieure d'un tibia ou d'un fémur, et des moyens de guidage (11) agencés pour matérialiser le point d'intersection entre l'axe du canon de visée principal et la tige de guidage. Le viseur comporte un canon de visée secondaire (12) présentant un alésage destiné au passage d'une broche de perçage (14). This sight (2) comprises a body in an arc of a circle (3), a main sighting gun (5) mounted on the body in an arc of a circle, the barrel having a bore extending radially with respect to the body in an arc of a circle. and intended for the passage of a drilling spindle (6), a guide rod (7) integral with a cursor (8) movable along the body in an arc of a circle, the guide rod comprising positioning means (9 ) intended to bear against the outer surface of a tibia or a femur, and guide means (11) arranged to materialize the point of intersection between the axis of the main sighting barrel and the guide rod. The sight comprises a secondary sighting barrel (12) having a bore intended for the passage of a drilling spindle (14).

TOOL FOR MAKING A BORING INTO A BONE

Intramedullary fixation device for femur fracture, has jig bushing fixed in oblique passage of intramedullary nail, and including channels to receive, via their respective insertion ends, cephalic screw end and threaded end of cephalic stem

La présente invention se rapporte à un Ensemble de fixation intramédullaire destiné à assurer la liaison mécanique entre une tête de fémur (1) et son corps fémoral (2), comprenant :un clou intramédullaire (3) possédant une zone proximale (13a) et une zone distale (13b), ladite zone distale présentant au moins un alésage transversal (14) destiné au passage d'une vis de fixation (19),une vis céphalique (5) présentant une première extrémité libre et une deuxième extrémité filetée destinée à être vissée dans la tête du fémur,une tige céphalique (6) présentant une première extrémité libre et une deuxième extrémité filetée, l'une de ces deux extrémités étant destinée à être insérée dans un logement adapté de la tête du fémur,caractérisé en ce qu'il comprend un canon de guidage (4) destiné à être introduit et fixé dans un passage oblique transversal réalisé dans la zone proximale du clou intramédullaire, ce canon de guidage possédant, d'une part, un premier canal destiné à recevoir la deuxième extrémité de la vis céphalique, et d'autre part, un deuxième canal sensiblement parallèle au premier canal et apte à recevoir l'autre extrémité de la tige céphalique.

Bone drill has shaft attached to section of larger diameter fixed to transverse handle, allowing it to be turned, two blades being mounted transversely near tip of shaft, so that they produce cylindrical hole when drill is turned

The bone drill has a shaft (12) attached to a section of larger diameter (13) fixed to a transverse handle (15), allowing it to be turned. Two blades (16) are mounted transversely near the tip of the shaft, so that they produce a cylindrical hole when the drill is turned.

INTERVERTEBRAL DISC PROSTHESIS

RANGE OF PROTHETIC FEMALE RODS

COTYLOID IMPLANT WITH DEFORMABLE RING

SUTURE NEEDLE FOR SURGICAL REPAIR OF A TENDON ROMPU

ANCILLARY FOR THE BONE PREPARATION OF A FEMUR INTENDED TO RECEIVE A FEMORAL PROTHETIC COMPONENT

HARPON FOR SURGICAL REPAIR OF A TENDON ROMPU, FOR EXAMPLE ACHILLA TENDON, AND METHOD FOR FIXING THE HARPOON ON A SUTURE WIRE

Suture needle for surgical repair of rupture tendon i.e. Achilles tendon, of patient, has pointed end located in continuity of generatrix of cylindrical central portion presenting largest radius of curvature

The needle has a pointed distal portion (3) and a proximal portion (4) connected to each other by a cylindrical central portion (6), where the proximal portion has an oblong opening (5) for passage of a suture wire. A pointed end is located in a continuity of a generatrix of the cylindrical central portion presenting a largest radius of a curvature that ranges between 90 and 110 mm. The distal portion presents a pyramid shape with a triangular base, where the needle is made of a Z40C13 stainless steel material.

Cotyloid implant for hip prosthesis has holes for fixing screws covered by detachable plugs

The implant consists of a hemispherical cup (2) with a series of holes (4) for fixing screws. Each of the holes is blocked by a plug (9) that can be removed by the surgeon to insert fixing screws in selected positions. The plugs are fixed in the holes by breakable connectors (14) in the form of weld points, and are removed by a tool with two claws inserted in cavities (15) on opposite sides of the plug and rotated.

PROTHETIC FEMALE ROD

Acetabular implant for treatment of arthrosic hips, has reinforcing ring including two legs, where each leg is arranged to be deformed elastically towards cup, and is placed in housing at time of impaction of implant in acetabular cavity

The implant (2) has a cup (3) having a polar part (4) and an equatorial portion (5) delimiting an interior cavity (7) in which a prosthetic femoral head is intended to be articulated. A reinforcing ring (8) surrounds the equatorial portion of the cup. The reinforcing ring includes two elastically deformable legs, where each leg is arranged to be deformed elastically towards the cup, and is placed in a corresponding notch (17) at the time of impaction of the acetabular implant in an acetabular cavity.

FEMALE CUTTING GUIDE FOR TRICOMPARTIMENTAL KNEE PROSTHESIS

CUPLE FOR COTYLOID IMPLANT

FEMORAL CUTTING EQUIPMENT FOR THE PLACEMENT OF A TOTAL KNEE PROSTHESIS

Acetubular implant for treatment of femoral neck fracture, has hemispherical shaped plastic cup, where entire surface of cup intended to be in contact with hip bone is coated with osteoconductive metal

The implant (2) has a hemispherical shaped plastic cup (3) for attachment to acetabulum, where the cup defines a hemispherical cavity (4) that is intended to be articulated to a prosthetic femoral head. The cup includes a bone-anchoring unit (6) on its outer surface. An entire surface of the cup intended to be in contact with a hip bone is coated with osteoconductive metal. The coating has thickness ranging between 15 and 50 microns.

Prosthetic femoral rod set for bone cavity, has two femoral rods assemblies, where length and overall profile of medullar part of one rod with specific size are identical to that of medullar part of another rod with another specific size

The set has two assemblies of prosthetic femoral rods without fixation of orthopedic cement e.g. poly methyl methacrylate cement, and with cemented fixation, respectively, where each assembly includes rods of discrete sizes. The rods include medullar parts, where respective ratios of different sizes of one rod between two successive sizes of rods belonging to the same assembly are constant. The medullar part (2) of the rod with a specific size has length and overall profile which are identical to that of the medullar part of the another rod with another specific size.

Phalangeal head prosthesis for use on e.g. phalanx, has lateral surface delimited by cylindrical surface, and part`s end with convex surface articulated in cavity formed by base of phalanx and oriented opposite to opening of cavity

The prosthesis (2) has a cylindrical shaped part whose opposed ends are destined to co-operate with ends of adjacent phalanxes, and a lateral surface delimited by a cylindrical surface. The part has a threaded cavity that is opened in one of the part`s ends and receives a tapered phalangeal neck section. The other end (5) of the part has a convex surface (6) articulated in the cavity formed by a base of one of the phalanxes and oriented opposite to a cavity`s opening. The cavity is delimited by a tapered inner surface converging toward the interior of the prosthesis that is made of ceramics.

INTERVERTEBRAL DISC PROSTHESIS

Humeral intramedullary nail assembly for treating e.g. proximal humeral fractures of aged patient, has intramedullary nails provided with through-holes that are located along orientation and distance with respect to proximal end of one nail

The assembly has a set of humeral intramedullary nails (2) and another set of humeral intramedullary nails with different sizes. Each nail of the former set includes first, second, third and fourth through-holes (5a-5d) on a proximal portion (3) of the nail. Each nail of the latter set includes first, second and third through-holes on a proximal portion of the nail of the latter set. The third hole of the nail of the former set and the second hole of the nail of the latter set are located along orientation and distance with respect to a proximal end (7) or another proximal end of one nail. An independent claim is also included for an accessory for positioning intramedullary nails.

Intervertebral disc prosthesis comprises a cushion enclosed within two rigid half-covers, one of which has a central stud that fits into a sleeve on the other

Intervertebral disc prosthesis comprises a cushion comprising at least two materials of different hardness enclosed within two rigid half-covers for attachment to adjacent vertebrae. One half-cover (7) has a central stud (13) that fits into a sleeve (14) on the other half-cover (10). Intervertebral disc prosthesis comprises a cushion comprising at least two materials of different hardness enclosed within two rigid half-covers for attachment to adjacent vertebrae. One half-cover (7) has a central stud (13) that fits into a sleeve (14) on the other half-cover (10), where the sum of the lengths of the stud and sleeve is greater than the distance between the two half-covers and the cushion is disposed between the two half-covers, including the space between the stud and sleeve. An independent claim is also included for producing the prosthesis by placing the two half-covers in a mold with the stud removed, injecting a hard material (15) into the space outside the sleeve, pouring a soft material (16) into the sleeve through the opening (12) for receiving the stud, and screwing the stud into the opening.

Intervertebral disc prosthesis

The invention relates to an intervertebral disc prosthesis comprising two half-shells ( 7, 10 ) clasping a compression pad. According to the invention, the central part of one ( 10 ) of the two half-shells comprises a shaft ( 14 ) which faces the other half-shell ( 7 ), while the central part of said second half-shell ( 7 ) comprises a stud ( 13 ) which faces the first half-shell, said stud having a smaller cross-section than that of the shaft and being inserted therein. The sum of the lengths of the shaft ( 14 ) and the stud ( 13 ) is greater than the distance between the two half-shells ( 7, 10 ), the aforementioned compression pad being disposed between the two half-shells in the space between the shaft and the stud.

Cup for cotyloidal implant, has tapered part and recess cooperating with outer and inner surfaces of different types of inserts by friction and by detent, respectively, where cap is made of osteo-conductor metal such as titanium alloy

The cup (2) has an inner cavity (3) in which an insert is mounted in a removable manner, where the insert receives a prosthetic femoral head. A tapered part cooperates with outer surface of a type of insert by friction, and a recess (5) cooperates with inner surface of another type of insert by detent, where the cup is made of osteo-conductor metal such as titanium alloy and is coated with hydroxyapatite. The inserts are rigid and are made of ceramic, alumina or metallic alloy.

Intervertebral disc prosthesis

Cette prothèse de disque intervertébral (2) comporte des première et seconde demi-enveloppes (3, 4) rigides en forme de plateaux, destinées chacune à être fixées sur une des deux vertèbres adjacentes au disque intervertébral à remplacer, la première demi-enveloppe (3) comportant dans sa zone centrale une pièce tubulaire (5) tournée vers la seconde demi-enveloppe, la seconde demi-enveloppe (4) comportant dans sa zone centrale un plot (6) de section inférieure à celle de la pièce tubulaire, tourné vers la première demi- enveloppe et engagé dans la pièce tubulaire, la prothèse de disque intervertébral comportant en outre un coussin de compression (7) disposé entre les deux demi-enveloppes, y compris dans le volume compris entre la pièce tubulaire et le plot. Le coussin de compression (7) comporte une portion centrale (8) s'étendant entre les zones centrales des première et seconde demi-enveloppes (3, 4), et une pluralité de branches (9, 10) s'étendant perpendiculairement à partir de la port ion centrale (8 ) et décalées angulairement les unes par rapport aux autres.

DEVICE FOR PRECONTROLLING A LIGAMENT GRAFT

Intervertebral disc prosthesis comprises two rigid metallic plates with compression cushion between them, eternal spikes on each plate anchor prosthesis on vertebrae and support pegs for prosthesis gripping tool

The prosthesis (1) comprises two rigid metallic plates and a compression cushion located between the plates. Each plate comprises spikes (5) on its external face able to anchor the prosthesis on a vertebrae. Each plate also comprises support pegs (9) for a prosthesis gripping tool (20) which enable the gripping of the prosthesis through different successive angles. There are also locking teeth (10) of the tool on the prosthesis which act in cooperation with a locking and unlocking means (25) comprising a finger (26) and a hook (24) integral with the tool. An independent claim is included for a tool for placing the prosthesis.

Intervertebral disc prosthesis

The invention relates to an intervertebral disc prosthesis comprising two half-shells (7, 10) clasping a compression pad. According to the invention, the central part of one (10) of the two half-shells comprises a shaft (14) which faces the other half-shell (7), while the central part of said second half-shell (7) comprises a stud (13) which faces the first half-shell, said stud having a smaller cross-section than that of the shaft and being inserted therein. The sum of the lengths of the shaft (14) and the stud (13) is greater than the distance between the two half-shells (7, 10), the aforementioned compression pad being disposed between the two half-shells in the space between the shaft and the stud.

Host and intestinal microbiota derived metabolomic blood plasma signature for prior radiation injury

Provided are methods of determining prior radiation dose exposure levels for subjects, and kits therefor. Also provided are methods of treatment.

PACKAGING DEVICE FOR ORTHOPEDIC IMPLANT

RANGE OF HUMERAL AND ANCILLARY INTRAMEDULAR NAILS FOR THE INSTALLATION OF INTRAMEDULAR NAILS BELONGING TO THIS RANGE

INTERVERTEBRAL DISC PROSTHESIS

ANCILLARY FOR THE PLACEMENT OF AN INTERVERTEBRAL DISC PROSTHESIS

INTERVERTEBRAL DISC PROSTHESIS

Cette prothèse de disque intervertébral comporte des premier et second plateaux (3, 4) destinés à être fixés sur les vertèbres adjacentes au disque intervertébral à remplacer, et un coussin de compression disposé entre les plateaux. Chaque plateau comporte des premiers moyens d'accrochage comportant deux portions d'accrochage (14a, 14b) disposées de manière symétrique de part et d'autre du plan médian antéro-postérieur dudit plateau, des deuxièmes moyens d'accrochage comportant deux portions d'accrochage (15a, 15b) disposées de manière symétrique de part et d'autre d'un premier plan incliné d'un angle compris entre 50° et 70° par rapport au plan médian antéro-postérieur dudit plateau, et des troisièmes moyens d'accrochage opposés aux deuxièmes moyens d'accrochage par rapport au plan médian antéro-postérieur et comportant deux portions d'accrochage (16a, 16b) disposées de manière symétrique de part et d'autre d'un deuxième plan incliné d'un angle d'environ 90° par rapport au plan médian antéro-postérieur dudit plateau.

Intervertebral-disc prosthesis

The invention relates to an intervertebral-disc prosthesis, which comprises first and second plates (3, 4) to be attached onto the vertebrae adjacent to the intervertebral disc to be replaced, and a compression pad arranged between the plates. Each plate comprises first hooking means comprising two hooking portions (14a, 14b) symmetrically arranged on either side of the anteroposterior median plane of said plate, second hooking means comprising two hooking portions (15a, 15b) arranged symmetrically on either side of a first plane that is inclined at an angle of between 50º and 70º relative to the anteroposterior median plane of said plate, and third hooking means opposite the second hooking means relative to the anteroposterior median plane and comprising two hooking portions (16a, 16b) symmetrically arranged on either side of a second plane inclined at an angle of around 90º relative to the anteroposterior median plane of said plate.

SYSTEM FOR FASTENING A TIBIAL PLATE FOR KNEE PROSTHESIS

Systeme de fixation d'un plateau tibial pour prothese de genou

Système de fixation d'un plateau tibial pour prothèse de genou, dans lequel le plateau tibial comporte une embase (3) présentant des ouvertures (7) pour le passage de vis (18) destinées à être vissées dans le genou pour assurer la fixation du plateau. Chaque ouverture (7) est prolongée, du côté inférieur du plateau par une cheminée (9) dans laquelle est engagée et vient en butée la tête (13) d'une vis (8) en position de fixation du plateau, la paroi délimitant chaque ouverture (7) étant taraudée (10) et chaque ouverture (7) servant à l'engagement d'une vis (19) destinée à assurer le blocage de la vis de fixation (8).