WO2006040483A1 - Instruments de pose de cotyle - Google Patents
Instruments de pose de cotyle Download PDFInfo
- Publication number
- WO2006040483A1 WO2006040483A1 PCT/FR2005/002542 FR2005002542W WO2006040483A1 WO 2006040483 A1 WO2006040483 A1 WO 2006040483A1 FR 2005002542 W FR2005002542 W FR 2005002542W WO 2006040483 A1 WO2006040483 A1 WO 2006040483A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- cup
- adapter
- assembly according
- impactor
- annular
- 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.)
- Ceased
Links
Classifications
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- 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 for implanting artificial joints
- A61F2/4603—Special tools for implanting artificial joints for insertion or extraction of endoprosthetic joints or of accessories thereof
- A61F2/4609—Special tools for implanting artificial joints for insertion or extraction of endoprosthetic joints or of accessories thereof of acetabular cups
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2/32—Joints for the hip
- A61F2/34—Acetabular cups
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- 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 for implanting artificial joints
- A61F2/4637—Special tools for implanting artificial joints for connecting or disconnecting two parts of a prosthesis
-
- 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 for implanting artificial joints
- A61F2/4684—Trial or dummy prostheses
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- 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
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- 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 for implanting artificial joints
- A61F2/4603—Special tools for implanting artificial joints for insertion or extraction of endoprosthetic joints or of accessories thereof
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2002/30001—Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
- A61F2002/30003—Material related properties of the prosthesis or of a coating on the prosthesis
- A61F2002/3006—Properties of materials and coating materials
- A61F2002/30077—Properties of materials and coating materials shrinkable
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- 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
- A61F2002/30354—Cylindrically-shaped protrusion and recess, e.g. cylinder of circular basis
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- 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
- A61F2002/30672—Features concerning an interaction with the environment or a particular use of the prosthesis temporary
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- 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
- A61F2002/3208—Bipolar or multipolar joints, e.g. having a femoral head articulating within an intermediate acetabular shell whilst said shell articulates within the natural acetabular socket or within an artificial outer shell
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2/32—Joints for the hip
- A61F2/34—Acetabular cups
- A61F2002/3401—Acetabular cups with radial apertures, e.g. radial bores for receiving fixation screws
- A61F2002/3403—Polar aperture
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2/32—Joints for the hip
- A61F2/34—Acetabular cups
- A61F2002/3412—Acetabular cups with pins or protrusions, e.g. non-sharp pins or protrusions projecting from a shell surface
- A61F2002/3417—Acetabular cups with pins or protrusions, e.g. non-sharp pins or protrusions projecting from a shell surface the outer shell having protrusions on meridian lines, e.g. equidistant fins or wings around the equatorial zone
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- 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 for implanting artificial joints
- A61F2/4603—Special tools for implanting artificial joints for insertion or extraction of endoprosthetic joints or of accessories thereof
- A61F2002/4629—Special tools for implanting artificial joints for insertion or extraction of endoprosthetic joints or of accessories thereof connected to the endoprosthesis or implant via a threaded connection
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- 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 for implanting artificial joints
- A61F2/4637—Special tools for implanting artificial joints for connecting or disconnecting two parts of a prosthesis
- A61F2002/4641—Special tools for implanting artificial joints for connecting or disconnecting two parts of a prosthesis for disconnecting
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- 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 for implanting artificial joints
- A61F2002/4653—Special tools for implanting artificial joints using cooling means
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- 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 for implanting artificial joints
- A61F2002/4681—Special tools for implanting artificial joints by applying mechanical shocks, e.g. by hammering
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- 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 for implanting artificial joints
- A61F2002/4688—Special tools for implanting artificial joints having operating or control means
- A61F2002/4692—Special tools for implanting artificial joints having operating or control means fluid
- A61F2002/4693—Special tools for implanting artificial joints having operating or control means fluid hydraulic
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2210/00—Particular material properties of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
- A61F2210/0066—Particular material properties of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof shrinkable
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- 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
Definitions
- the present invention relates to instruments for fitting a prosthetic acetabulum to replace the natural acetabulum of the hip.
- a total hip prosthesis comprises two parts constituting a ball joint, namely a female part intended to replace the natural acetabulum of the hip and a male part intended to replace the head of the femur.
- the male part of the joint generally comprises a rod, intended to penetrate the medullary canal of the femur, and whose proximal end is connected by a neck to a spherical head intended to penetrate the acetabulum.
- the female part of the joint which must replace the natural acetabulum of the hip, and which will be generally referred to as the acetabulum, usually comprises a hemispherical metal cup with a convex proximal face and a concave distal surface, the convex proximal surface.
- the concave distal surface accommodating the hemispherical convex proximal face of an insert made of a low friction plastic material such as polyethylene or a ceramic, the insert having itself a coaxial hemispherical distal cavity which receives the spherical head of the male part of the joint.
- the document EP 0 504 521 A1 teaches to provide a convex proximal-face impactor which snaps into the concave distal face of the cup. After fixing the cup in the acetabular cavity, the impactor is separated from the cup by means of a sliding axial bar bearing axially in the center of the convex distal convex sliding face of the cup and set in motion by means of a trigger operated by the surgeon. The support of the sliding bar is likely to locally degrade the sliding face of the cup, which is not acceptable.
- the document FR 2 809 305 A1 teaches to maintain a cup on an impactor end head by creating a vacuum in a free space left between the end head and the concave distal face of the cup.
- the impactor body is therefore provided with a manual piston pump that draws air from the free space through a through hole of the end head.
- An annular seal opposes the air supply of the free space.
- the percussion force is applied by the end head to the concave distal cup face portion around the free space.
- the device is complex, requiring assembly of many parts, with several gas-tight means, and the document does not cite or solve the problem of deformations of the concave distal cup face as a result of unequal support constraints.
- US 4,632,111 A discloses a means suitable for use in fixing an undercut cup.
- the impactor comprises a hemispherical head mounted at the end of a handle and engaging in the distal concave face of the cup.
- An annular flange is slidably mounted on the handle and is pushed towards the head by a socket screwed on the handle.
- An elastomeric ring is pressed axially between the head and the flange, and expands radially thereby coming to bear against the annular portion undercut the distal concave cup face for fixing the impactor.
- the unscrewing of the sleeve allows the removal of the flange, the retraction of the elastomeric ring, and the removal of the impactor.
- This device is complex, consisting of an assembly of relatively numerous parts, and unsuitable for fixing cups without undercut. In addition, its screwing maneuver induces parasitic couples on the cup, risking to alter the quality of its fixation in the acetabul
- cup placement instruments do not allow satisfactory maintenance of the cup for free orientation and sufficient support of the cup in the bone, without degrading the cup or the adjacent bone.
- test insert having substantially the same shape as the final insert of the prosthesis, and intended to receive in one or more times male parts of articulation. This allows the surgeon to test several sizes of male joint part, and to do the movement tests. The goal is to allow the surgeon to choose the most appropriate size of male joint part, depending on the morphology of the patient. And it then removes the test insert, to adapt the final insert in which will be housed the chosen male joint head.
- the problem proposed by the present invention is to avoid the drawbacks of known acetabulum-fitting instruments, by proposing a new instrument structure which ensures both a mechanically resistant cup-shaped resistance on an impactor for handling and fitting. of the cup in an acetabular cavity, and a total absence of deformation or degradation of the concave distal face of the cup by the instruments.
- the means according to the invention must be able to be applied indifferently to prostheses with simple mobility and to prostheses with double mobility.
- Another object of the invention is to reduce the number of sterile parts that the surgeon must assemble during the installation of a prosthesis. It is thus possible to reduce the stocks of instruments, and to facilitate the work of the surgeon, by reducing the operational risks.
- the instruments must be able to be separated from the cup without applying to the cup a mechanical force tending to move it by translation or rotation vis-à-vis the bone in which it is fixed, of to ensure a good quality of fixation of the cup in the bone.
- the invention provides a set of means for acetabular delivery, comprising a cup limited by a convex proximal surface, a concave distal surface with a sliding surface, and by a peripheral lip, and comprising an adapter for securing the cup to an impactor, the adapter comprising:
- fixing means for detachably fixing the adapter to the impactor, fixing means on the cup, leaving a free space between the adapter and the cup once the adapter is fixed to the cup,
- the cup comprises, on its concave distal surface, an annular retaining surface, cylindrical or slightly conical, extending the sliding surface towards the peripheral lip,
- the adapter comprises an annular engagement surface, cylindrical or slightly conical and conforming to the annular retaining surface of the cup, so that the adapter can be retained in force in a sealed manner with its annular engagement surface; radially clamped in the annular retaining surface of the cup.
- the adapter is designed to be retained in force sealingly around its periphery in the cup, it is supported on the distal concave cup surface according to the single annular retaining surface, away from the surface slip, avoiding any irregularity on the sliding surface of the cup.
- the adapter can be withdrawn away from the cup by injecting through the access hole a pressurized fluid, advantageously a liquid under pressure, into the free space between the adapter and the cup.
- a pressurized fluid advantageously a liquid under pressure
- the pressurized fluid produces a resultant force of symmetrical axial ejection of the adapter away from the cup, and produces on the sliding surface of the cup a mechanical stress regularly distributed by the fact that this stress is a pressure of fluid. This avoids any localized deformation of the sliding surface of the cup and avoids any tensile stress, oscillation or rotation on the cup.
- Blocking the force of the adapter in the cup may be sufficient to ensure strong attachment of the adapter, and therefore a strong solidarity of the cup on the impactor.
- the impactor can apply to the adapter a higher impaction force force that is transmitted to the cup on the one hand by the annular surface of engagement of the adapter in the cup, and other part by the abutments resting on the peripheral lip of the cup.
- annular retaining surface of the cup comprises at least one annular groove
- annular engagement surface of the adapter comprises at least one annular rib. corresponding to engage in the annular groove.
- the depth of the grooves and ribs will be chosen relatively low, to improve the joining without compromising the subsequent separation of the adapter away from the cup.
- the cup may comprise a substantially hemispherical sliding surface advantageously polished mirror, extended by a cylindrical retaining surface or slightly short conical.
- the adapter can be supported on the annular retaining surface, which is not a sliding surface of the cup, so that the mechanical stresses applied on the hemispherical sliding surface are reduced.
- the adapter can be secured to the impactor by any means. However, it may be preferred attachment means of the adapter on the impactor comprising a tapped mounting hole made in the adapter, allowing the screwing of a corresponding threaded portion of the impactor. If the mounting hole differs from the access hole, it must be blind.
- the adapter according to the invention is used as a connecting means between the impactor and the cup.
- the adapter a second function, namely a temporary test insert function, by providing an adapter which comprises, on its distal face, a hemispherical cavity sized to allow the engagement of a femoral prosthesis head.
- the hemispherical cavity may be concentric with the convex proximal face of the adapter, particularly for dual mobility prostheses. It is understood that this reduces the number of parts to be assembled by the surgeon for fitting the prosthesis, since there is no longer a specific test insert separate from the adapter.
- the access hole to the free space between the cup and the adapter is advantageously shaped and dimensioned to engage the end of a syringe sealingly. In this way, the fluid under pressure can be injected by a simple syringe, an instrument that is generally available to the surgeon, without this requiring additional equipment.
- the access hole of the adapter can be threaded to simultaneously fulfill the function of fixing hole of the adapter by allowing the screwing of a corresponding threaded portion of the impactor in the adapter.
- the access hole of the adapter can then advantageously be located in the bottom of a hemispherical cavity dimensioned to allow the engagement of a femoral prosthesis head.
- test insert type adapter may be polyethylene.
- the definitive insert can instead be polyethylene or ceramic.
- An impactor having a threaded portion is also provided for screwing into a threaded fastening hole provided on the adapter.
- the impactor may further comprise, at the base of the threaded portion, a hemispherical portion shaped and dimensioned to be housed in a corresponding hemispherical cavity of the adapter.
- the mechanical stresses between the impactor and the adapter are thus more evenly distributed, relatively large stresses occurring during the impaction of the cup in the acetabulum.
- the assembly can advantageously be packaged in the sterile state in a sealed protective envelope.
- the adapter When assembling the adapter and the cup, assembly that can be performed in a production plant, it is advantageous to use the following sequence of steps: a) cool the adapter to reduce the size, b) position the adapter in the cup, c) return to ambient temperature to expand the adapter once in place in the cup, the adapter thus being sealed in force against its annular engagement surface in the annular surface retaining cup. It is further preferably provided a gamma sterilization step of the adapter and the cup once secured. After the cup has been placed, the adapter can be separated from the cup by a step during which a pressurized fluid, advantageously a liquid under pressure, is injected into the space through the access hole. free between the adapter and the cup.
- a pressurized fluid advantageously a liquid under pressure
- FIG. 1 is a perspective view of an assembly according to one embodiment of the invention, comprising an acetabulum cup in which is engaged in force a temporary type of impaction adapter and test;
- FIG. 2 is a side view of the assembly of FIG. 1, inserted in a sealed protective envelope;
- FIG. 5 is a sectional side view showing an impactor engaged in the temporary insert of the insert-cup assembly of FIG. 4;
- FIG. 6 is a sectional side view illustrating a syringe engaged in the passage of the temporary insert in an insert-cup assembly according to the invention.
- the acetabulum dispensing instruments comprise a cup 1 and an adapter 2 shaped as a temporary impaction and test insert.
- the cup 1 constitutes the final cup intended to be fixed in an acetabular cavity of the pelvic bone.
- the adapter 2 has at least the function of an intermediate part between the cup 1 and an impactor which serves to manipulate the cup 1 when it is placed in the acetabular cavity, and the adapter 2 is intended to be subsequently replaced by a definitive insert.
- the cup 1 is a hemisphere with a relatively thin wall, having a convex proximal face 3, better visible in FIG. 4, of generally hemispherical shape with possibly anchoring fins 4, and having a concave distal face 5 comprising a hemispherical surface 5a. prolonged sliding by a cylindrical or slightly conical annular retaining surface 5b to a peripheral lip 6.
- the hemispherical surface 5a of the cup 1 is perfectly smooth and regular, preferably polished mirror, to form a sliding surface in which can perfectly rotate a final hemispherical insert subsequently introduced into the cup 1 after its installation in the acetabulum cavity.
- the adapter 2 has a generally rounded shape limited by a convex proximal face 7 and a distal face 11 with a hemispherical cavity 8.
- the convex proximal face 7 of the adapter 2 comprises a cylindrical or slightly conical annular engagement surface 7a, and a central cap 7b which remains set back from the hemispherical shape constituted by the hemispherical sliding surface 5a of the cup 1. in this way, there remains a free space 9 between the temporary insert 2 and the cup 1 in the fitted position as illustrated in FIG. 4.
- the annular engagement surface 7a has a shape which corresponds to that of the annular retaining surface 5b, and a diameter such that it is held in force in the annular retaining surface 5b of the cup 1, so that the adapter 2 and the cup 1 may constitute a solidarity subassembly capable of withstanding, without relative movement from one with respect to the other, high mechanical stresses, greater than the efforts that must be applied to a cup during its poses in the acetabular cavity.
- annular engagement surface 7a and the annular retaining surface 5b are smooth.
- the annular retaining surface 5b of the cup 1 comprises at least one annular groove 5c
- the annular engagement surface 7a of the adapter 2 comprises at least one annular rib 7c corresponding adapted to engage in the annular groove 5c.
- the hemispherical cavity 8 of the adapter 2 is dimensioned to receive a knee joint head of the femoral joint. In this way, the adapter 2 may constitute a temporary test insert.
- an access hole 10 is provided which communicates with the outside the free space 9 between the adapter 2 and the cup 1.
- the distal face 11 of the adapter 2 is bordered by a circular peripheral rib 12 which constitutes an abutment means bearing on the peripheral lip 6 of the cup 1 in the fitted position illustrated in FIG. 4.
- the Access hole 10 also constitutes a detachable attachment means of an impactor. it comprises for this an internal thread 10a.
- FIG. 5 in which the cup 1, the adapter 2 of the temporary test insert type, the hemispherical cavity 8 of the adapter 2, and the threaded access hole 10 are now considered.
- This figure also shows an impactor 13, comprising a handle 13a, a rod 13b and a threaded end 13c which is screwed into the threaded access hole 10.
- the impactor 13 comprises, at the base of the threaded portion 13c, a hemispherical portion 13d shaped and dimensioned to be housed in the corresponding hemispherical cavity 8 of the adapter 2.
- the impactor 13 makes it possible to manipulate the cup 1 during insertion and positioning in the acetabular cavity.
- FIG. 6 there is illustrated a step of separating the adapter 2 vis-à-vis the cup 1.
- a syringe 14 containing a suitable liquid, for example physiological saline, and comprising a tip 14a that is sealingly engaged in the access hole 10 of the adapter 2.
- the syringe 14 then allows to inject a liquid under pressure into the free space 9, causing the separation of the adapter 2 vis-à-vis the cup 1.
- the impactor 13 comprises a tubular shaft: FIG. 5 thus illustrates an impactor 13 comprising an axial channel 13e.
- the adapter 2 comprises the hemispherical cavity 8, to fulfill the function of temporary test insert.
- an adapter 2 devoid of hemispherical cavity then serving only as an adapter for the positioning of the cup 1 in the acetabulum cavity by an impactor 13.
- the access hole 10 simultaneously serves as a means for attaching the impactor 13 to the adapter 2.
- it could be provided in the central portion of the adapter 2 a hole for the attachment of the impactor 13, while the access hole 10 for the injection of fluid could be deported. The hole for the attachment of the impactor should then be blind.
- the adapter 2 can be assembled in the cup 1 by a procedure comprising the steps of: a) cooling the adapter 2 to a temperature sufficiently low to slightly reduce the dimensions, said dimensions being initially such that the diameter the annular engagement surface 7a of the adapter 2 is slightly larger than the diameter of the annular retaining surface 5b of the cup 1 at the same temperature.
- the adapter 2 By lowering the temperature of the adapter 2, the outer diameter thereof is reduced, in order to facilitate its engagement with the inlet of the cup 1, itself kept at ambient temperature; b) the adapter 2 is then positioned in the cup 1, until it comes into abutment with the peripheral rib 12 against the peripheral lip 6; c) it returns to room temperature to allow the adapter 2 to expand once in place in the cup 1, the adapter 2 thus being fitted and retained in force in a sealed manner along its annular engagement surface 7a in the cup 1 .
- the adapter-well assembly is then sterilized by gamma rays in a sealed protective envelope 15 (FIG. 2). From there, the adapter-cup assembly is thus packaged in the sterile condition in the sealed protective envelope 15.
- the surgeon removes the sealed protective envelope 15, and can engage a sterile impactor 13 by screwing into the access hole 10. The surgeon can then manipulate the cup 1 with the impactor 13 and the adapter 2 fitted, the cup 1 all the mechanical efforts necessary for its positioning and orientation.
- the surgeon then removes the impactor 13 by unscrewing. Then, the surgeon can adapt a ball head in the hemispherical cavity 8 of the adapter 2 of the temporary insert type, which then serves as a temporary test insert.
- the surgeon can remove the temporary insert 2 away from the cup 1 by introducing a liquid or other fluid under pressure, by means of a syringe 14 as shown in FIG. 6, or in the impactor 13 rod-piston 13f and axial channel 13e as shown in Figure 5. It then fits a definitive insert in the cup 1 itself in place in an acetabular cavity. All these operations were performed without risk of deformation of the hemispherical surface 8 of sliding of the cup 1, and without parasitic force on the cup 1.
Landscapes
- Health & Medical Sciences (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Transplantation (AREA)
- Heart & Thoracic Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Veterinary Medicine (AREA)
- Vascular Medicine (AREA)
- Cardiology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Physical Education & Sports Medicine (AREA)
- Prostheses (AREA)
- Surgical Instruments (AREA)
Abstract
Description
Claims
Priority Applications (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2005800346530A CN101039638B (zh) | 2004-10-13 | 2005-10-13 | 用于安装髋臼杯的器械 |
| JP2007536222A JP2008515579A (ja) | 2004-10-13 | 2005-10-13 | 寛骨臼カップを設置する器具 |
| EP05809187A EP1811928B1 (fr) | 2004-10-13 | 2005-10-13 | Instruments de pose de cotyle |
| ES05809187T ES2388143T3 (es) | 2004-10-13 | 2005-10-13 | Instrumentos para la colocación de un cotilo |
| US11/576,894 US9814603B2 (en) | 2004-10-13 | 2005-10-13 | Instruments for setting acetabular cup |
| US15/008,655 US9474628B2 (en) | 2004-10-13 | 2016-01-28 | Instruments for setting acetabular cup |
| US15/724,327 US10398570B2 (en) | 2004-10-13 | 2017-10-04 | Instruments for setting acetabular cup |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR0410879A FR2876278B1 (fr) | 2004-10-13 | 2004-10-13 | Instruments de pose de cotyle |
| FR0410879 | 2004-10-13 |
Related Child Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US11/576,894 A-371-Of-International US9814603B2 (en) | 2004-10-13 | 2005-10-13 | Instruments for setting acetabular cup |
| US15/008,655 Continuation US9474628B2 (en) | 2004-10-13 | 2016-01-28 | Instruments for setting acetabular cup |
| US15/724,327 Continuation US10398570B2 (en) | 2004-10-13 | 2017-10-04 | Instruments for setting acetabular cup |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2006040483A1 true WO2006040483A1 (fr) | 2006-04-20 |
Family
ID=34952812
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/FR2005/002542 Ceased WO2006040483A1 (fr) | 2004-10-13 | 2005-10-13 | Instruments de pose de cotyle |
Country Status (7)
| Country | Link |
|---|---|
| US (3) | US9814603B2 (fr) |
| EP (1) | EP1811928B1 (fr) |
| JP (2) | JP2008515579A (fr) |
| CN (1) | CN101039638B (fr) |
| ES (1) | ES2388143T3 (fr) |
| FR (1) | FR2876278B1 (fr) |
| WO (1) | WO2006040483A1 (fr) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102512268A (zh) * | 2007-01-08 | 2012-06-27 | 托马斯·格拉德尔 | 包含无菌接合面的髋臼 |
| US9125744B2 (en) | 2009-09-28 | 2015-09-08 | Inventorio Sa | Method for manufacturing a prosthetic hip acetabulum |
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| US8277457B1 (en) | 2004-12-09 | 2012-10-02 | Greatbatch Medical S.A. | Orthopaedic inserter using a collet mechanism |
| US7621921B2 (en) * | 2006-01-25 | 2009-11-24 | Symmetry Medical, Inc | Split thread orthopaedic implant impactor |
| DE102007020484A1 (de) * | 2006-05-01 | 2007-12-13 | Precimed S.A. | Einführinstrument für die minimal invasive Gelenkchirurgie mit austauschbarem Gewinde |
| DE202006010069U1 (de) * | 2006-06-28 | 2007-11-08 | Waldemar Link Gmbh & Co. Kg | Einsetzinstrument für Gelenkpfannen von Prothesen |
| US8517241B2 (en) | 2010-04-16 | 2013-08-27 | Covidien Lp | Hand-held surgical devices |
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| US20120209396A1 (en) | 2008-07-07 | 2012-08-16 | David Myung | Orthopedic implants having gradient polymer alloys |
| KR20110040969A (ko) * | 2008-08-05 | 2011-04-20 | 바이오미메디카, 인코포레이티드 | 폴리우레탄-그라프트된 하이드로겔 |
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| FR2961387B1 (fr) * | 2010-06-17 | 2013-06-07 | Thomas Gradel | Cotyle ceramique a fixation externe |
| AU2011293169A1 (en) | 2010-08-27 | 2013-03-21 | Biomimedica, Inc. | Hydrophobic and hydrophilic interpenetrating polymer networks derived from hydrophobic polymers and methods of preparing the same |
| EP2422754B1 (fr) * | 2010-08-27 | 2014-11-05 | Greatbatch Medical SA | Impacteur décalé pour coupelle avec une plaque de saisie pour implants à mobilité double |
| CH703945A1 (de) * | 2010-10-07 | 2012-04-13 | Jossi Holding Ag | Gelenkpfanne und Verfahren zur Herstellung einer Gelenkpfanne. |
| US8585709B2 (en) | 2011-01-17 | 2013-11-19 | Greatbatch Medical S.A. | Straight cup impactor with lever arm |
| US9119731B2 (en) | 2011-01-17 | 2015-09-01 | Greatbach Medical S.A. | Straight cup impactor |
| EP2704651A4 (fr) * | 2011-05-03 | 2014-10-08 | Smith & Nephew Inc | Guides adaptés à un patient pour des implants orthopédiques |
| EP2561835B1 (fr) * | 2011-08-26 | 2016-03-16 | Greatbatch Medical SA | Impacteur droit de cupules articulaires |
| EP2572679B1 (fr) * | 2011-09-23 | 2015-07-15 | Greatbatch Medical SA | Support d'implant céramique |
| EP3357518B1 (fr) | 2011-10-03 | 2020-12-02 | Hyalex Orthopaedics, Inc. | Adhésif polymère pour ancrage de matériaux conformes à une autre surface |
| WO2013078284A1 (fr) * | 2011-11-21 | 2013-05-30 | Biomimedica, Inc. | Systèmes, dispositifs et procédés pour ancrer des implants orthopédiques à l'os |
| US20140309749A1 (en) * | 2011-11-23 | 2014-10-16 | Depuy (Ireland) | Surgical instrument head and assembly including tab separation member |
| CN102908214B (zh) * | 2012-09-21 | 2015-01-28 | 联合骨科器材股份有限公司 | 髋臼杯植入器 |
| EP2815726B1 (fr) * | 2013-06-19 | 2015-08-12 | Arthrex, Inc. | Implant huméral |
| WO2017019329A1 (fr) * | 2015-07-27 | 2017-02-02 | Hip Innovation Technology, LLC | Impacteurs de bille et de cupule pour implantation d'une prothèse de la hanche |
| US11077228B2 (en) | 2015-08-10 | 2021-08-03 | Hyalex Orthopaedics, Inc. | Interpenetrating polymer networks |
| GB2552173A (en) * | 2016-07-12 | 2018-01-17 | Susannah Germaine Clarke | Holder for acetabular cup implant |
| FR3066908B1 (fr) * | 2017-05-31 | 2019-07-19 | Science Et Medecine | Ensemble orthopedique comprenant une cupule et un appareil pour la mise en place de cette cupule dans une cavite anatomique |
| US10869950B2 (en) | 2018-07-17 | 2020-12-22 | Hyalex Orthopaedics, Inc. | Ionic polymer compositions |
| US11103367B2 (en) | 2019-02-15 | 2021-08-31 | Encore Medical, L.P. | Acetabular liner |
| CN111150481B (zh) * | 2020-01-17 | 2024-09-03 | 北京市春立正达医疗器械股份有限公司 | 髋臼外杯安装器 |
| GB202010525D0 (en) * | 2020-07-09 | 2020-08-26 | Embody Orthopaedic Ltd | Improved holder for an acetabular cup implant |
| US12605258B2 (en) | 2020-09-18 | 2026-04-21 | Globus Medical, Inc. | Hip arthroplasty implants |
| FR3117771B1 (fr) * | 2020-12-23 | 2023-02-24 | Soc Detudes De Recherches Et De Fabrication Serf | Dispositif d’engagement d’une tête sphérique dans un insert |
| US12064356B2 (en) | 2021-08-19 | 2024-08-20 | Howmedica Osteonics Corp. | Multi-size acetabular impactor |
| FR3134309B1 (fr) * | 2022-04-08 | 2024-05-10 | Fx Solutions | Implant principalement en céramique et ensemble avec dispositif de préhension et de mise en place |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102512268A (zh) * | 2007-01-08 | 2012-06-27 | 托马斯·格拉德尔 | 包含无菌接合面的髋臼 |
| US9125744B2 (en) | 2009-09-28 | 2015-09-08 | Inventorio Sa | Method for manufacturing a prosthetic hip acetabulum |
| US9987139B2 (en) | 2009-09-28 | 2018-06-05 | Inventorio Sa | Method for manufacturing a prosthetic hip acetabulum |
Also Published As
| Publication number | Publication date |
|---|---|
| US20080077249A1 (en) | 2008-03-27 |
| FR2876278B1 (fr) | 2007-10-26 |
| CN101039638B (zh) | 2012-02-29 |
| JP2012120870A (ja) | 2012-06-28 |
| FR2876278A1 (fr) | 2006-04-14 |
| JP2008515579A (ja) | 2008-05-15 |
| US9814603B2 (en) | 2017-11-14 |
| ES2388143T3 (es) | 2012-10-09 |
| EP1811928B1 (fr) | 2012-05-16 |
| CN101039638A (zh) | 2007-09-19 |
| US10398570B2 (en) | 2019-09-03 |
| US20160135965A1 (en) | 2016-05-19 |
| EP1811928A1 (fr) | 2007-08-01 |
| US9474628B2 (en) | 2016-10-25 |
| JP5367104B2 (ja) | 2013-12-11 |
| US20180055656A1 (en) | 2018-03-01 |
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