WO2002064066A2 - Implantierbare pfanne für hüftgelenk-endoprothesen - Google Patents
Implantierbare pfanne für hüftgelenk-endoprothesen Download PDFInfo
- Publication number
- WO2002064066A2 WO2002064066A2 PCT/EP2002/001422 EP0201422W WO02064066A2 WO 2002064066 A2 WO2002064066 A2 WO 2002064066A2 EP 0201422 W EP0201422 W EP 0201422W WO 02064066 A2 WO02064066 A2 WO 02064066A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- pan
- pole
- thread
- profiles
- pan according
- 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
- A61F2/32—Joints for the hip
- A61F2/34—Acetabular cups
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2/30767—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth
- A61F2/30771—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth applied in original prostheses, e.g. holes or grooves
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2/30767—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2/3094—Designing or manufacturing processes
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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
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- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2002/30001—Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
- A61F2002/30108—Shapes
- A61F2002/30199—Three-dimensional shapes
- A61F2002/30289—Three-dimensional shapes helically-coiled
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- 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
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- A61F2002/30317—The prosthesis having different structural features at different locations within the same prosthesis
- A61F2002/30322—The prosthesis having different structural features at different locations within the same prosthesis differing in surface structures
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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- 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
- A61F2002/30317—The prosthesis having different structural features at different locations within the same prosthesis
- A61F2002/30324—The prosthesis having different structural features at different locations within the same prosthesis differing in thickness
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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- 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
- A61F2002/30332—Conically- or frustoconically-shaped protrusion and recess
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- A—HUMAN NECESSITIES
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- 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
- A61F2002/30362—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 with possibility of relative movement between the protrusion and the recess
- A61F2002/30364—Rotation about the common longitudinal axis
- A61F2002/30367—Rotation about the common longitudinal axis with additional means for preventing said rotation
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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- 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
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- A61F2002/30476—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements locked by an additional locking mechanism
- A61F2002/30477—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements locked by an additional locking mechanism using sharp protrusions, e.g. spikes, for anchoring into connecting prosthetic part
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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- 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
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- A61F2002/30001—Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
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- 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
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- A61F2002/30535—Special structural features of bone or joint prostheses not otherwise provided for
- A61F2002/30537—Special structural features of bone or joint prostheses not otherwise provided for adjustable
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- 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
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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
- A61F2002/4696—Special tools for implanting artificial joints having operating or control means optical
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2220/00—Fixations or connections for prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
- A61F2220/0025—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2220/00—Fixations or connections for prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
- A61F2220/0025—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements
- A61F2220/0033—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements made by longitudinally pushing a protrusion into a complementary-shaped recess, e.g. held by friction fit
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2230/00—Geometry of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
- A61F2230/0063—Three-dimensional shapes
- A61F2230/0091—Three-dimensional shapes helically-coiled or spirally-coiled, i.e. having a 2-D spiral cross-section
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2250/00—Special features of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
- A61F2250/0004—Special features of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof adjustable
- A61F2250/0006—Special features of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof adjustable for adjusting angular orientation
-
- 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
- A61F2250/00—Special features of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
- A61F2250/0014—Special features of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof having different values of a given property or geometrical feature, e.g. mechanical property or material property, at different locations within the same prosthesis
- A61F2250/0026—Special features of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof having different values of a given property or geometrical feature, e.g. mechanical property or material property, at different locations within the same prosthesis differing in surface structures
-
- 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
- A61F2250/00—Special features of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
- A61F2250/0014—Special features of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof having different values of a given property or geometrical feature, e.g. mechanical property or material property, at different locations within the same prosthesis
- A61F2250/0036—Special features of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof having different values of a given property or geometrical feature, e.g. mechanical property or material property, at different locations within the same prosthesis differing in thickness
-
- 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
- A61F2250/00—Special features of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
- A61F2250/0058—Additional features; Implant or prostheses properties not otherwise provided for
- A61F2250/0096—Markers and sensors for detecting a position or changes of a position of an implant, e.g. RF sensors, ultrasound markers
- A61F2250/0097—Visible markings, e.g. indicia
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2310/00—Prostheses classified in A61F2/28 or A61F2/30 - A61F2/44 being constructed from or coated with a particular material
- A61F2310/00005—The prosthesis being constructed from a particular material
- A61F2310/00011—Metals or alloys
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2310/00—Prostheses classified in A61F2/28 or A61F2/30 - A61F2/44 being constructed from or coated with a particular material
- A61F2310/00005—The prosthesis being constructed from a particular material
- A61F2310/00179—Ceramics or ceramic-like structures
Definitions
- the invention relates to an implantable cup for hip joint endoprostheses according to the preamble of claim 1.
- the acetabular cup is also replaced by an artificial cup implanted in the pelvic bone.
- a two-part socket is used today, which consists of a metal socket that is implanted in the bone and a bearing shell that can be inserted into this socket and holds the joint head.
- the bearing shell is made of a wear-resistant material that has good sliding properties when paired with the rod end.
- press-in pans are also known, which are pressed into the correspondingly milled acetabulu.
- the press-in pans have, for example, a cord on the surface (EP 0 381 351 AI) or barb-like projections (US Pat. No. 5,755,799).
- a cord on the surface EP 0 381 351 AI
- barb-like projections US Pat. No. 5,755,799
- the invention has for its object to provide a socket for the hip joint endoprosthesis that can be pressed in with low pressure and ensures stable anchoring, especially primary anchoring.
- pyramid-shaped tips are formed which decrease in height from the entry side of the pan towards the pole.
- the height of the pyramid tips decreases so far that it has decreased to zero before reaching the pole. This leaves an area around the pole of the pan surface free from the pyramid tips.
- This pole area is preferably flattened, ie has a larger radius of curvature.
- the surface is thus characterized in particular by three different radii of curvature: the core radius in the area of the thread profiles, ie the radius of the surface J
- the pyramid tip radius i.e. the radius of the spherical surface in which the tips of the pyramids or the profile back lie and which is different from the core radius due to the decreasing profile height
- the pole radius i.e. the radius of the flattened pole area.
- the acetabulum of the bone is milled in the peripheral area with a radius that corresponds to the core radius of the surface of the cup.
- the pan can thereby be pressed in with a slight pressure, the pyramid-shaped tips anchoring themselves increasingly more strongly in the bone tissue against the entrance plane of the pan due to their height decreasing towards the pole.
- the pyramid tips formed by the opposing threads are offset from one another in the initial direction with a gap, so that there is a strong fixation of the socket against rotation.
- the pyramid tips have a strong asymmetry in the meridian direction due to the opposite thread profiles and the decreasing profile height, so that there is also a strong axial anchoring, which counteracts a loosening of the pan and also causes a high tilt stability of the pan.
- This good anchoring against rotation, axial movement and tilting occurs directly when the pan is pressed in, so that good primary anchoring is ensured.
- This stable primary anchoring represents sufficient fixation of the socket when inserting it, so that additional fixation screws can generally be dispensed with.
- the formation of the pyramid tips by means of milled or screwed-in thread profiles creates a large structured surface of the cup without the total volume of the cup and thus the required bone resection being significantly increased.
- the large textured surface and the relatively little bone resection required favors a quick and good ingrowth of the socket in the bone.
- the surface of the pan can optionally be coated or surface-treated after machining.
- a coating is possible, for example, with hydroxyapatite ceramic or titanium plasma.
- Surface processing can e.g. be carried out by titanium corundum blasting.
- the flattening of the surface of the socket in the pole region offers the advantage that a smaller amount of bone has to be removed in this region, which does not contribute to the fixation of the socket.
- the inner receptacle of the pan for the bearing shell is designed in a manner known per se with a conical surface, the cone angle of which can be selected in accordance with the material pairing of the pan and the bearing shell in such a way that a self-retaining wedge effect holds the bearing shell in the pan.
- the inner receptacle of the socket is designed with an anti-rotation device which enables the bearing shell to be inserted in any continuously adjustable rotational position and which fixes the bearing shell in the inserted position against rotation.
- an anti-rotation device which enables the bearing shell to be inserted in any continuously adjustable rotational position and which fixes the bearing shell in the inserted position against rotation.
- Pan can be used in any rotational position without having to take into account the later orientation of the bearing pan. Since the bearing shell has no preferred orientation in relation to the pan, the required orientation tion without restriction when inserting the bearing shell into the socket of the pan.
- the stepless anti-rotation protection of the bearing shell against rotation is preferably effected by circular multiple teeth on the bottom of the inner receptacle of the cup.
- FIG. 6 shows a plan view of the input side of the cup with a detailed representation of the circular multiple toothing at the bottom of the internal receptacle of the cup and
- Fig. 7 an axially cut in the left half
- FIG. 1 the production of the surface of the pan is shown schematically.
- a pan blank the surface of which has the shape of a hemisphere or spherical cap, serves as the exit.
- the surface of this blank is designated 10 in FIG. 1.
- Left-hand thread profiles 11 and right-hand thread profiles 12 are machined, for example milled, into this surface 10 of the hemispherical blank.
- the profiles 11 and 12 are worked in with a depth decreasing from the input plane 13 towards the pole 14.
- the profiles 11 and 12 thus have the greatest profile height in the area of the entrance level 13.
- the profile height decreases until it has decreased to zero at a certain distance from the pole 14. This results in a pole region 15 in which there are no more profiles 11 and 12.
- left-hand thread profile 11 and one right-hand thread profile 12 are shown in FIG. 1.
- a plurality of threads of such left-hand thread profiles 11 and right-hand thread profiles 12 are incorporated, which are distributed in a uniform division over the circumference of the surface of the pan.
- the intersecting left-hand thread profiles 11 and right-hand thread profiles 12 each produce pyramid tips 16, the height of which decreases in accordance with the decrease in the profile height from the input plane 13 towards the pole region 15.
- Surface 17 has a core radius which is smaller than the pyramid tip radius of surface 10 due to the profile height decreasing towards the pole.
- the pole region 15, in which there are no profiles 11 and 12, is then turned off so that this pole region 15 is flattened and has a pole radius which is larger than the radius of the original surface 10 of the blank.
- the pan according to the invention e.g. about 20 gears of the left-hand thread profiles 11 and 20 gears of the right-hand thread profiles 12 incorporated.
- These thread profiles 11 and 12 each have a pitch angle of approximately 18 °.
- the radial distance between the spherical surfaces 10 and 17 is approximately 0.8 to 1.5 mm in the region of the input plane 13 and decreases continuously to zero up to the pole region 15.
- An opening 18 is preferably provided on the pole 14. When inserting the socket, it can be checked through this opening 18 whether the socket with the pole region 15 is seated on the base of the acetabulum.
- the recess in the opening 18 also has an advantageous medullary decompression effect.
- the pan has an inner receptacle in which the bearing shell, not shown, can be inserted.
- the receptacle initially has the shape of an inner cone 19 adjacent to the input plane 13. This inner cone 19 serves to hold and axially and radially position the bearing shell, which has a corresponding outer cone for this purpose.
- the bearing shell consists of a hard material, for example ceramic or metal
- the bearing shell is preferably held in the inner cone 19 in a self-locking manner.
- the cone angle of the inner cone 19 and the outer cone of the bearing shell are selected in this case so that self-locking occurs according to the material pairing of the pan and the bearing shell.
- an undercut groove 20 is preferably inserted into the inner edge of the inner cone 19, into which the bearing shell engages with a corresponding bead or corresponding projections.
- a circular multiple toothing 22 is formed in a section 21 which adjoins the groove 20 against the base of the receptacle.
- This circularly arranged multiple toothing 22 preferably consists of a multiplicity of pointed teeth projecting slightly inward and distributed over the circumference in the same division.
- a flattened bottom 23 of the receptacle adjoins section 21.
- the bearing shell can be inserted into the socket of the pan in any continuously rotatable position. If the bearing shell is pressed so far into the receptacle that it engages in the groove 20, the teeth of the toothing 22 press radially into the circumference of the bearing shell and fix it against rotation without play.
- the bearing shell is not fixable on the peripheral edge of the inner receptacle, but at the bottom thereof in the pan. A weakening of the maximum thickness of the bearing shell in the direction of the hip-resulting forces therefore does not occur.
- the shape of the pyramid tips 16 formed by the threaded profiles 12 and 13 is determined by the profile cross section of the profiles 11 and 12. If the profiles 11 and 12 have a symmetrical profile cross-section, this results in a pyramid shape that is symmetrical in axial section. If the profiles 11 and 12 have an asymmetrical profile shape, there are different pyramid shapes of the pyramid tips 16. If the profiles 11 and 12 have, for example, a flat profile flank facing the pole 14 and a steep profile flank facing the input plane 13, the result is Pyramid tips 16, which are barb-shaped. The flat profile flanks make it easier to press the socket into the acetabulum, while the steep profile flanks promote the hooking of the socket in the bone and thus, in particular, the primary anchoring.
- the pan can be connected to a navigation or target device.
- markers eg light emitting diodes
- the pan can be navigated two-dimensionally and three-dimensionally and brought into the planned position.
Landscapes
- Health & Medical Sciences (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Cardiology (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Transplantation (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Prostheses (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE10106863.8 | 2001-02-14 | ||
| DE10106863A DE10106863C2 (de) | 2001-02-14 | 2001-02-14 | Implantierbare Pfanne für Hüftgelenk-Endoprothesen |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| WO2002064066A2 true WO2002064066A2 (de) | 2002-08-22 |
| WO2002064066A3 WO2002064066A3 (de) | 2002-12-05 |
Family
ID=7674023
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/EP2002/001422 Ceased WO2002064066A2 (de) | 2001-02-14 | 2002-02-12 | Implantierbare pfanne für hüftgelenk-endoprothesen |
Country Status (2)
| Country | Link |
|---|---|
| DE (1) | DE10106863C2 (de) |
| WO (1) | WO2002064066A2 (de) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2856586A1 (fr) * | 2003-06-24 | 2004-12-31 | 3 S Ortho | Implant cotyloidien |
| EP1712206A3 (de) * | 2005-04-12 | 2006-12-27 | Zimmer Technology, Inc. | Gelenkpfannenimplantat mit einem sich verjüngenden, zur Lagerbefestigung geeigneten Flansch. |
| WO2009022911A3 (en) * | 2007-08-16 | 2009-06-11 | Cam Implants Bv | Prosthesis comprising an anti-micromotion bone-interfacing surface and method for the manufacture thereof |
| FR2936145A1 (fr) * | 2008-09-25 | 2010-03-26 | Sem Sa | Cotyle pour prothese articulaire de hanche a impacter dans la cavite cotyloidienne de l'os iliaque d'un patient |
| EP2338443A1 (de) | 2009-12-23 | 2011-06-29 | Atesos medical AG | Künstliche Hüftgelenkpfanne zur unzementierten Verankerung |
| CN103442666A (zh) * | 2011-03-21 | 2013-12-11 | 乔希控股股份公司 | 关节窝植入体 |
| FR2996118A1 (fr) * | 2012-10-03 | 2014-04-04 | Stephane Denjean | Cupule pour implant cotyloidien destine a etre implante dans une cavite acetabulaire |
| EP3050538A1 (de) * | 2015-01-27 | 2016-08-03 | AQ Implants GmbH | Pfanne einer Hüftgelenkprothese |
| WO2017089332A1 (de) * | 2015-11-23 | 2017-06-01 | Jossi Holding Ag | Gelenkpfannenimplantat |
| FR3048356A1 (fr) * | 2016-03-01 | 2017-09-08 | T O | Element cotyloidien de prothese de hanche, comprenant des reliefs d'aide a l'impaction |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102004004131A1 (de) * | 2004-01-28 | 2005-08-18 | Universität Duisburg-Essen | Hüftgelenkspfanne mit variablen Oberflächeneigenschaften |
| CH704518B1 (de) * | 2011-02-22 | 2019-10-15 | Jossi Holding Ag | Verfahren zur Herstellung eines Implantats mit mindestens einem Bereich mit einer Oberflächenstruktur, nach dem Verfahren hergestelltes Implantat und Vorrichtung zur Durchführung des Verfahrens. |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0381351A1 (de) | 1989-01-31 | 1990-08-08 | Osteonics Corp. | Hüftgelenkspfanne mit zwei Radien |
| DE9402941U1 (de) | 1994-02-24 | 1994-06-09 | Diehl, Klaus, Prof. Dr., 66123 Saarbrücken | Zementfreie Schraubpfanne für den Kunstgelenkersatz des Hüftgelenkes |
| EP0726066A2 (de) | 1992-01-31 | 1996-08-14 | SULZER Medizinaltechnik AG | Implantierbare Gelenkschale |
| US5755799A (en) | 1993-08-18 | 1998-05-26 | Sulzer Medizinaltechnik Ag | Joint implant with self-engaging attachment surface |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH642840A5 (de) * | 1980-02-08 | 1984-05-15 | Allo Pro Ag | Chirurgisches implantat, insbesondere hueftgelenkpfanne. |
| DE3129174A1 (de) * | 1981-07-21 | 1983-02-03 | Mecron Med Prod Gmbh | "hueftgelenkpfannen-prothese" |
| DE4142920A1 (de) * | 1991-12-24 | 1993-07-01 | Chiropro Gmbh | Endoprothesen-gelenkpfanne |
| GB2268408A (en) * | 1992-07-03 | 1994-01-12 | Corin Medical Ltd | Orthopaedic implant |
| NL9302200A (nl) * | 1993-12-16 | 1995-07-17 | Endocare Ag | Elliptische acetabulumcomponent voor een heupprothese. |
| JP3807681B2 (ja) * | 1996-04-22 | 2006-08-09 | ヘルマンスドゥルーファー,ゲルト | 特殊ねじを備える股関節臼 |
| WO1997042913A1 (fr) * | 1996-05-14 | 1997-11-20 | Bruno Balay | Implant cotyloidien fixe sans ciment |
| US6139582A (en) * | 1997-11-21 | 2000-10-31 | Depuy Orthopaedics, Inc. | Acetabular cup with bi-directional steps |
| DE19757799A1 (de) * | 1997-12-29 | 1999-07-01 | Gerd Hoermansdoerfer | Verfahren zum Humpeldrehen und bevorzugte Anwendung des Verfahrens |
| FR2781361B1 (fr) * | 1998-07-24 | 2000-09-15 | Michel Henry Fessy | Cotyle pour prothese de hanche |
-
2001
- 2001-02-14 DE DE10106863A patent/DE10106863C2/de not_active Expired - Fee Related
-
2002
- 2002-02-12 WO PCT/EP2002/001422 patent/WO2002064066A2/de not_active Ceased
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0381351A1 (de) | 1989-01-31 | 1990-08-08 | Osteonics Corp. | Hüftgelenkspfanne mit zwei Radien |
| EP0726066A2 (de) | 1992-01-31 | 1996-08-14 | SULZER Medizinaltechnik AG | Implantierbare Gelenkschale |
| US5755799A (en) | 1993-08-18 | 1998-05-26 | Sulzer Medizinaltechnik Ag | Joint implant with self-engaging attachment surface |
| DE9402941U1 (de) | 1994-02-24 | 1994-06-09 | Diehl, Klaus, Prof. Dr., 66123 Saarbrücken | Zementfreie Schraubpfanne für den Kunstgelenkersatz des Hüftgelenkes |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2856586A1 (fr) * | 2003-06-24 | 2004-12-31 | 3 S Ortho | Implant cotyloidien |
| EP1712206A3 (de) * | 2005-04-12 | 2006-12-27 | Zimmer Technology, Inc. | Gelenkpfannenimplantat mit einem sich verjüngenden, zur Lagerbefestigung geeigneten Flansch. |
| WO2009022911A3 (en) * | 2007-08-16 | 2009-06-11 | Cam Implants Bv | Prosthesis comprising an anti-micromotion bone-interfacing surface and method for the manufacture thereof |
| FR2936145A1 (fr) * | 2008-09-25 | 2010-03-26 | Sem Sa | Cotyle pour prothese articulaire de hanche a impacter dans la cavite cotyloidienne de l'os iliaque d'un patient |
| EP2338443A1 (de) | 2009-12-23 | 2011-06-29 | Atesos medical AG | Künstliche Hüftgelenkpfanne zur unzementierten Verankerung |
| CN103442666B (zh) * | 2011-03-21 | 2016-06-22 | 乔希控股股份公司 | 关节窝植入体 |
| CN103442666A (zh) * | 2011-03-21 | 2013-12-11 | 乔希控股股份公司 | 关节窝植入体 |
| FR2996118A1 (fr) * | 2012-10-03 | 2014-04-04 | Stephane Denjean | Cupule pour implant cotyloidien destine a etre implante dans une cavite acetabulaire |
| WO2014053768A1 (fr) * | 2012-10-03 | 2014-04-10 | Horizon Ii | Cupule pour implant cotyloïdien destine a etre implante dans une cavite acetabulaire |
| EP3050538A1 (de) * | 2015-01-27 | 2016-08-03 | AQ Implants GmbH | Pfanne einer Hüftgelenkprothese |
| WO2017089332A1 (de) * | 2015-11-23 | 2017-06-01 | Jossi Holding Ag | Gelenkpfannenimplantat |
| CN108289740A (zh) * | 2015-11-23 | 2018-07-17 | 乔希控股股份公司 | 关节窝植入体 |
| US10945849B2 (en) | 2015-11-23 | 2021-03-16 | Jossi Holding Ag | Joint socket implant |
| FR3048356A1 (fr) * | 2016-03-01 | 2017-09-08 | T O | Element cotyloidien de prothese de hanche, comprenant des reliefs d'aide a l'impaction |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2002064066A3 (de) | 2002-12-05 |
| DE10106863C2 (de) | 2003-04-03 |
| DE10106863A1 (de) | 2002-09-12 |
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