KR20050062786A - 추간 디스크 인공삽입물 - Google Patents
추간 디스크 인공삽입물 Download PDFInfo
- Publication number
- KR20050062786A KR20050062786A KR1020057007915A KR20057007915A KR20050062786A KR 20050062786 A KR20050062786 A KR 20050062786A KR 1020057007915 A KR1020057007915 A KR 1020057007915A KR 20057007915 A KR20057007915 A KR 20057007915A KR 20050062786 A KR20050062786 A KR 20050062786A
- Authority
- KR
- South Korea
- Prior art keywords
- core
- lower plate
- intervertebral disc
- prosthesis
- plate
- Prior art date
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Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2/44—Joints for the spine, e.g. vertebrae, spinal discs
- A61F2/442—Intervertebral or spinal discs, e.g. resilient
- A61F2/4425—Intervertebral or spinal discs, e.g. resilient made of articulated components
-
- 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
- A61F2/44—Joints for the spine, e.g. vertebrae, spinal discs
-
- 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
- A61F2/44—Joints for the spine, e.g. vertebrae, spinal discs
- A61F2/442—Intervertebral or spinal discs, e.g. resilient
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/064—Surgical staples, i.e. penetrating the tissue
- A61B17/0642—Surgical staples, i.e. penetrating the tissue for bones, e.g. for osteosynthesis or connecting tendon to bone
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/064—Surgical staples, i.e. penetrating the tissue
- A61B17/0644—Surgical staples, i.e. penetrating the tissue penetrating the tissue, deformable to closed position
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/064—Surgical staples, i.e. penetrating the tissue
- A61B2017/0647—Surgical staples, i.e. penetrating the tissue having one single leg, e.g. tacks
-
- A—HUMAN NECESSITIES
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- 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
- A61F2/08—Muscles; Tendons; Ligaments
- A61F2/0811—Fixation devices for tendons or ligaments
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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
- A61F2/08—Muscles; Tendons; Ligaments
- A61F2/0811—Fixation devices for tendons or ligaments
- A61F2002/0876—Position of anchor in respect to the bone
- A61F2002/0882—Anchor in or on top of a bone tunnel, i.e. a hole running through the entire bone
-
- 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
- A61F2002/30354—Cylindrically-shaped protrusion and recess, e.g. cylinder of circular basis
-
- A—HUMAN NECESSITIES
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- 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
- A61F2002/30362—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
- A61F2002/30365—Rotation about the common longitudinal axis with additional means for limiting said rotation
-
- 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
- A61F2002/30362—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
- A61F2002/30369—Limited lateral translation of the protrusion within a larger recess
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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
- A61F2002/30383—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements made by laterally inserting a protrusion, e.g. a rib into a complementarily-shaped groove
- A61F2002/3039—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements made by laterally inserting a protrusion, e.g. a rib into a complementarily-shaped groove with possibility of relative movement of the rib within the groove
- A61F2002/30392—Rotation
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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
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- 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
- A61F2002/30383—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements made by laterally inserting a protrusion, e.g. a rib into a complementarily-shaped groove
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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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- 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
- A61F2002/30383—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements made by laterally inserting a protrusion, e.g. a rib into a complementarily-shaped groove
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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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- A61F2002/30316—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
- A61F2002/30433—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements using additional screws, bolts, dowels, rivets or washers e.g. connecting screws
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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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- 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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-
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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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- A61F2002/30316—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
- A61F2002/30535—Special structural features of bone or joint prostheses not otherwise provided for
- A61F2002/30576—Special structural features of bone or joint prostheses not otherwise provided for with extending fixation tabs
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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
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- 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
- A61F2002/30535—Special structural features of bone or joint prostheses not otherwise provided for
- A61F2002/30604—Special structural features of bone or joint prostheses not otherwise provided for modular
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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
- A61F2002/30621—Features concerning the anatomical functioning or articulation of the prosthetic joint
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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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- A61F2/30771—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth applied in original prostheses, e.g. holes or grooves
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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
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- A61F2/30771—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth applied in original prostheses, e.g. holes or grooves
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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
- A61F2/44—Joints for the spine, e.g. vertebrae, spinal discs
- A61F2/442—Intervertebral or spinal discs, e.g. resilient
- A61F2/4425—Intervertebral or spinal discs, e.g. resilient made of articulated components
- A61F2002/443—Intervertebral or spinal discs, e.g. resilient made of articulated components having two transversal endplates and at least one intermediate component
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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
- A61F2220/0008—Fixation appliances for connecting prostheses to the body
-
- 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
- A61F2220/0008—Fixation appliances for connecting prostheses to the body
- A61F2220/0016—Fixation appliances for connecting prostheses to the body with sharp anchoring protrusions, e.g. barbs, pins, spikes
-
- 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
- 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
- A61F2220/0041—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements using additional screws, bolts, dowels or rivets, e.g. connecting screws
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Abstract
본 발명은 상부 판(1)으로 된 제1 판, 하부 판(2)으로 된 제2 판, 및 코어(3)의 적어도 3개의 부품들을 포함하며, 코어(3)의 상부면이 상부 판(1)의 하부면의 적어도 일부분(10)과 접촉되고 코어(3)의 하부면은 하부 판(2)의 상부면의 적어도 일부와 접촉되며, 상부 판(1)은 적어도 코어(3)에 대해 이동 가능한 추간 디스크 인공삽입물에 있어서, 하부 판(2)과 코어(3) 사이에, 하부 판(2)에 대해 평행한 축선을 따른 하부 판(2)에 대한 코어(3)의 평행 운동을 제한 또는 제거하거나, 하부 판(2)에 대해 수직한 축선을 중심으로, 하부 판(2)에 대한 코어(3)의 회전 운동을 제한 또는 제거하기 위한, 협동 수단이 제공되며, 상부 판(1)과 하부 판(2)을 통과하는 평면들이 일정한 각도를 형성하는 것을 특징으로 하는 추간 디스크 인공삽입물에 관한 것이다.
Description
본 발명은 척주, 특히 척추 경부에서 척추를 결합하는 섬유연골 디스크를 구성하도록 된, 추간 디스크 인공삽입물에 관한 것이다.
종레 기술에 여러 가지 타입들의 인공삽입물이 알려져 있다. 이들 일부의 인공삽입물에서는, 압축성 재료로 제조되어 있거나 또는 인공삽입물의 다른 구성 부분들의 서로에 대한 과도한 이동을 허용하기 때문에, 환자에게 바람직스럽지 않은, 인공삽입물의 적어도 일부의 척추 외측으로의 이탈이 비교적 용이하게 유도되었다.
본 발명의 목적은 인공삽입물의 다른 구성 부품들의 서로에 대한 이동을 제한할 수 있는 간단한 추간 디스크 인공삽입물을 제안함에 의해 종래 기술의 결점들을 해소하려는 것이다.
도1a 및 1b는 일 실시예에 따른 상부 판의 저면도 및 저면 사시도,
도2a 및 2b는 일 실시예에 따른 하부 판의 평면도 및 사시도,
도3a 및 3b는 일 실시예에 따른 코어의 평면도 및 사시도,
도4a 및 4b는 도1a, 1b, 2a, 2b, 3a 및 3b의 실시예에 따른 추간 디스크 인공삽입물의 평면도 및 측면도,
도5a 및 5b는 제2 실시예에 따른 추간 디스크 인공삽입물의 도5a의 D-D 평면의 측면도 및 단면도,
도6a는 제3 실시예에 따른 추간 디스크 인공삽입물의 측면도,
도6b 및 6d는 하부 판에 대해 각각 약간의 간격을 갖거나 또는 간격이 없는 경우의 코어의 도6a의 A-A 평면의 단면도,
도6c 및 6e는 추간 디스크 인공삽입물의 각각의 도6b 및 6d의 B-B 평면의 단면도,
도7a 및 8a는 2개의 다른 실시예에 따른 하부 판의 평면도 및 저면도,
도7b 및 8b는, 인공삽입물 고정 수단이 2개의 다른 실시예들에 따라 삽입되는, 도7a 및 8a의 하부 판의 측면도 및 평면도,
도9a는 제4 실시예에 따른 하부 판의 평면도,
도9b는 도9a의 C-C 평면의 하부 판의 단면도, 및
도10a 및 10b는 또 다른 실시예에 따른 상부 판의 배면도 및 측면도이다.
상기 목적은 상부 판으로 된 제1 판, 하부 판으로 된 제2 판, 및 코어의 적어도 3개의 부품들을 포함하며, 코어의 상부면이 상부 판의 하부면의 적어도 일부분과 접촉되고 코어의 하부면은 하부 판의 상부면의 적어도 일부와 접촉되며, 상부 판은 적어도 코어에 대해 이동 가능한 추간 디스크 인공삽입물에 있어서, 하부 판과 코어 사이에, 하부 판에 대해 평행한 축선을 따른 하부 판에 대한 코어의 평행 운동을 제한 또는 제거하거나, 하부 판에 대해 수직한 축선을 중심으로, 하부 판에 대한 코어의 회전 운동을 제한 또는 제거하기 위한, 협동 수단이 제공되며, 상부 판과 하부 판을 통과하는 평면들이 일정한 각도를 형성하는 것을 특징으로 하는 추간 디스크 인공삽입물에 의해 성취된다.
다른 특징에 따르면, 하부 판은 코어의 자형 수단과 협동하는 웅형 수단을 포함한다.
또 다른 특징에 따르면, 하부 판은 코어의 웅형 수단과 협동하는 자형 수단을 포함한다.
또 다른 특징에 따르면, 상기 각도는 코어가 전-후 방향으로 예각을 형성하여 얻어진다.
또 다른 특징에 따르면, 동일의 판들이 다른 두께의 코어들로써 조립될 수 있다.
또 다른 특징에 따르면, 상부 판 및 하부 판 사이의 각도는 0°내지 15°사이로 된다.
또 다른 특징에 따르면, 코어는 상부 판 및/또는 하부 판에 대해 이동 가능하고, 이로써 인공삽입물의 상기 3개의 부품들의 위치 결함들을 서로에 대해 보상할 수 있게 된다.
또 다른 특징에 따르면, 상부 판의 하부면의 적어도 일부분은 코어의 상부면에 대해 상보적으로 오목하게 되어 있다.
또 다른 특징에 따르면, 각각의 웅형 수단의 치수는 각각의 자형 수단의 치수보다 약간 작게 되어 코어와 하부 판 사이에 약간의 간격을 허용하고 있다.
또 다른 특징에 따르면, 각각의 웅형 수단의 치수는 각각의 자형 수단의 치수와 동일하게 되어 코어와 하부 판 사이에 어떠한 간격도 허용하지 않는다.
또 다른 특징에 따르면, 하부 판의 웅형 수단은 인공삽입물의 내측을 향해 구부려져 있고 인공삽입물의 2개의 에지들 상에 서로 대향하게 배치된 2개의 핀들이며, 코어의 자형 수단은 2개의 홈들이다.
또 다른 특징에 따르면, 적어도 하나의 핀이 천공부가 형성된 러그로 대체되며 상기 천공부로 진입하는 은못을 이용하는 태그가 천공부 상에 제공되어 있다.
또 다른 특징에 따르면, 하부 판의 웅형 수단은 하부 판의 중앙 부근에 배치된 2개의 은못 핀들이고, 코어의 자형 수단은 2개의 깊은 구멍들이다.
또 다른 특징에 따르면, 하부 판의 웅형 수단은 인공삽입물의 2개의 에지들부근에서 서로 대향하게 배치된 2개의 벽들이며, 코어의 자형 수단은 홈들이다.
또 다른 특징에 따르면, 하부 판의 웅형 수단은 인공삽입물의 중앙에 배치된 리브이고, 코어의 자형 수단은 홈이다.
또 다른 특징에 따르면, 상기 코어는 폴리에틸렌으로 제조된다.
또 다른 특징에 따르면, 하부 판은 척추에 인공삽입물 고정 수단을 수용하도록 제공된, 그의 전면 부근에 하나 이상의 구멍들을 포함한다.
또 다른 특징에 따르면, 하부 판의 구멍은 장방형이고, 고정 수단은 하부 판과 예각을 형성하는 몸체 및 헤드로 구성된다.
또 다른 특징에 따르면, 하부 판의 구멍은 원형이고, 고정 수단은 못 형태이다.
또 다른 특징에 따르면, 상부 판은 척추의 형상에 맞추어지도록 그의 상부면의 적어도 일부분이 볼록으로 되어 있다.
본 발명의 다른 특징 및 장점들은 첨부 도면들을 참조한 이하의 상세한 설명으로부터 더욱 명백하게 된다.
본 발명에 따른 추간 디스크 인공삽입물은, 도 4a, 4b, 5a 및 6a에 도시된 바와 같이, 코어(3)에 의해 하부 판(2)에 대해 관절 연결되어 있는 상부 판(1)으로 구성된다. 본 발명에 따른 인공삽입물의 일 장점은 인공삽입물이 척추 경부 상에 맞추어지도록 설계될 수 있는 간단한 부품들을 포함한다는 것이다.
도1a 및 1b에 특히 잘 나타나 있는 상부 판(1)은 그의 하부면의 적어도 일부분(10)에서 약간 오목하게 되어 있으며, 이로써 코어(3)의 약간 볼록한 상부면과 잘 맞추어지게 된다. 코어(3)의 상부면은 상부 판(1)의 오목한 부분(10)에 대해 상보적이며, 상부 판(1)과 코어(3) 사이에서 이동을 허용한다.
다른 실시예에서, 상부 판(1)의 상부면의 일부분이, 도10a 및 10b에 도시된 바와 같이 볼록하게 되어, 인공삽입물이 끼워 맞추어질 척추상에 더 양호하게 맞추어지게 되며, 척추의 하부는 오목하게 되어 있다. 이 경우에, 상부 판(1)의 볼록부는, 도10b에 잘 도시된 바와 같이 상부 판의 전방에 배치된다.
하부 판(2)은 사실상 평면이다. 실제로, 척추의 최상부는 편평하므로 그의 하부면은 볼록 또는 오목하게 될 필요가 없다. 도2a, 2b, 7a 및 8a에 나타낸 실시예에서, 하부 판(2)은 그 판(2)의 2개의 평향한 에지들(21,22)상에 서로 대향하게 배치된 2개의 핀(20)을 포함한다. 각 핀(20)은 인공삽입물의 내측을 향해 구부려져 있고 이로써 코어(3)상에 배치된 홈들(30)로 진입될 수 있다. 도3a 및 3b에 잘 도시된 바와 같이, 코어(3)는 하부 판(2)상에 맞추어지도록 제공된, 편평한 하부면을 포함한다. 코어(3)는 경부 인공삽입물용으로서 얇거나(예컨대 두께 3mm) 또는 허리 인공삽입물용으로서 두껍게(예컨대 두께 15mm) 될 수 있다.
도3a, 3b, 4a 및 4b의 실시예에서, 코어(3)의 각 홈(30)의 치수는 하부 판(20)의 각 핀(20)의 치수보다 약간 크게 되어, 하부 판(2)과 평행한 축선을 따른 운동, 및 하부 판(20)에 대해 수직한 축선을 중심으로 한 회전 운동 양자에 있어서, 하부 판(2)에 대한 코어(3)의 간격을 제한한다. 상부 판(1)과 코어(3) 사이의 이동 및 하부 판(2)에 대한 코어(3)의 간격에 의해 환자가 이동할 수 있게 되며, 필요한 경우 인공삽입물의 위치 결함을 보완하도록 한다. 또한, 상기 간격은 인공삽입물에 가해지는 응력으로 인한 조기의 마모를 방지하는 장점을 제공한다.
도5a 및 5b에 도시된 실시예에서, 코어(3)의 각 홈(30)의 치수는 하부 판(2)의 각 핀(20)의 치수와 사실상 동일하게 되어, 평행 운동 또는 회전 운동 양자에 있어서, 하부 판(2)에 대한 코어(3)의 어떠한 간격도 제공하지 않고 있다. 후자의 경우, 허용되는 인공삽입물의 운동은 오로지 코어(3)에 대한 상부 판(1)의 운동 뿐이다.
도9a 및 9b에 도시된 실시예에서, 핀들(20) 중 하나는 천공부(200)가 형성된 러그로 대체되어 있다. 태그(23)는 천공부(200)로 진입하는 은못(dowel)(24)에 의해 러그 상에 고정된다. 다른 실시예에서, 양쪽 핀들이 태그(23)가 고정되어 있는 러그로 대체될 수 있다.
도6a, 6b, 6c, 6d 및 6e에 도시된 실시예에서, 하부 판(2)은 핀들(20)을 포함하지 않고 그 판(2)의 중앙 부근에 배치된 2개의 은못 핀들(25)을 포함한다. 이 경우에, 코어(3)는, 상보적으로, 홈들(30)을 포함하지 않고, 그의 하부면에 2개의 깊은 구멍들(35)을 포함한다. 하부 판(2)의 은못 핀(25)과 코어(3)의 깊은 구멍(35)의 치수들은, 도6b 및 6c에 나타낸 다른 실시예에서, 평행 운동 및 회전 운동이 허용되도록 약간의 간격을 제공하고, 도6d 및 6e에 나타낸 다른 실시예에서는, 간격을 허용하지 않도록 되어 있다.
도시되지 않은 다른 실시예에서, 하부 판(2)은 그의 상부면에 리브(rib)를 포함하며 핀들(20) 또는 은못 핀들(25)을 포함하지 않는다. 이와 상보적으로, 코어(3)는 그의 하부면 아래쪽에 홈을 포함한다. 하부 판의 리브와 코어의 홈의 치수는, 일 실시예에서, 평행 운동 및 회전 운동이 허용되는 약간의 간격을 제공하고, 이와 다른 실시예에서는, 간격을 허용하지 않도록 되어 있다.
도시되지 않은 다른 실시예에서, 하부 판(2)은, 핀들(20) 대신에, 하부 판의 2개의 평행한 에지들(21,22) 근방에 서로 대향하게 배열된 2개의 벽들을 포함하며, 인공삽입물에 핀(20)이 포함되지 않게 한다. 코어(3)는 벽들에 대해 상보적인 홈들을 포함한다. 이 실시예에서 코어의 각 홈의 치수는 하부 판의 각 벽의 치수보다 약간 크거나 또는 거의 동일하게 되어, 평행 운동 또는 회전 운동 시에 약간의 간격을 제공하거나 또는 그렇지 않을 수 있다.
도시되지 않은 또 다른 실시예에서, 하부 판에 자형 부품이 제공되고 코어 상에 웅형 부품이 제공될 수 있다.
본 발명에 따른 추간 디스크 인공삽입물은, 특히, 척추 전만증(前彎症) 결함의 보정 및 척추, 예컨대 척추 경부에 대한 전만증을 부가할 수 있다. 따라서, 도4b에서 인공삽입물의 상부 판(1)과 하부 판(2) 사이의 전-후 방향 F으로의 예각(銳角)의 성립이 필요하게 된다. 예컨대, 이 각은 0°내지 15°사이이다. 환자에 따라 요구되는 각도를 조정하기 위해서는, 코어의 상부면을 나타내는 중간 평면 및 코어의 하부면을 통과하는 평면 사이에 적절한 각도를 갖는 코어(3)를 선택하기만 하면 된다.
하부 판에 자형 부품들이 제공되고 코어 상에 웅형 부품들이 제공되는 경우, 전-후 방향으로 예각을 형성하는 전만(前彎)성의 코어가 하부 판의 공동 또는 구멍으로 삽입되는 돌출부에 의해 상기 하부 판과 일체로 형성될 수 있다.
종래 기술에 알려져 있는 인공삽입물의 경사도는, 코어가 편평할때, 상부 판의 형상, 또는 코어가 볼록일 때, 코어에 대한 상부 판의 위치에 의해 얻어진다. 상기한 종래 기술의 제1 경우에 있어서는, 코어가 판들을 구성하는 것보다 덜 비싼 재료(예컨대, 폴리에틸렌)로 구성되기 때문에 본 발명에 따른 인공삽입물의 기계 가공이 훨씬 경제적이다. 상기한 종래 기술의 제2 경우에 있어서는, 인공삽입물이 제 위치에 있을 때 판들 사이의 각도가 사실상 일정하기 때문에 본 발명의 코어가 인공삽입물 외측으로 빠져나오기가 어렵게 된다.
만일 외과 의사가 어느 환자에 대해 정해진 전만증을 필요로 할때, 그들은 하부 판(2)에 대해 간격을 허용하지 않는 코어(3)를 선택할 것이다. 한편, 그들이 전만증을 단순하게 어느 값들 내로 유지하기만을 필요로 하게 될때, 그들은 하부 판(2)에 대한 평행 운동 및 회전 운동 시에 약간의 간격을 허용하는 코어를 선택할 것이다.
본 발명에 따른 추간 디스크 인공삽입물은, 도7a, 7b, 8a 및 8b에 도시된 다른 실시예에서, 전만증의 증가로 인해, 제 위치에 있는 인공삽입물상의 척주(脊柱)에 의해 가해지는 힘의 횡방향 효과에 의해 인공삽입물이 이동함을 방지하도록 척주에 고정될 수 있다. 이 경우에, 하부 판(2)은 인공삽입물의 후면측 근방에 배치된 하나 이상의 구멍(28,29)을 포함하여, 고정 수단(4,5)을 수용할 수 있게 된다.
이 방식에서, 도7a 및 7b의 경우에, 하부 판(2)의 구멍(28)은 장방형이고 고정 수단(4)은 몸체(40)와 헤드(41)로 구성된다. 헤드(41)의 치수는 하부 판(2)의 구멍(28)의 치수보다 약간 크게되어, 일단 고정 수단(4)이 척추의 제 위치에 있게되면, 하부 판(2)이 고정 수단(4)의 헤드(41)와 척추 사이에 끼여있게 된다. 고정 수단(4)의 몸체(40)와 하부 판(2) 사이의 각도는 90°이하로 되어 있다.
도8a 및 8b의 경우에, 하부 판(2)에 2개의 원형 구멍들(29)이 형성되고 고정 수단(5)은 못 형태로 되어 있으며, 못의 헤드의 치수가 구멍(29)의 치수보다 크게 되어, 하부 판(2)이 고정 수단(5)의 헤드 및 인공삽입물이 고정되어 있는 척추 사이에 끼여질 수 있도록 하고 있다.
당업자들에게는 본 발명이 특허청구의 범위에 기재된 본 발명의 범위를 벗어나지 않고 많은 다른 형태의 실시예들로 될 수 있음은 명백하게 될 것이다. 따라서, 본 실시예들은 예시적으로만 간주되어야 하며, 첨부된 특허청구의 범위에 의해 한정된 분야에서 변경될 수 있는 것으로서, 본 발명은 상기한 상세한 설명의 내용으로만 제한되는 것은 아니다.
Claims (20)
- 상부 판(1)으로 된 제1 판, 하부 판(2)으로 된 제2 판, 및 코어(3)의 적어도 3개의 부품들을 포함하며, 코어(3)의 상부면이 상부 판(1)의 하부면의 적어도 일부분(10)과 접촉되고 코어(3)의 하부면은 하부 판(2)의 상부면의 적어도 일부와 접촉되며, 상부 판(1)은 적어도 코어(3)에 대해 이동 가능한 추간 디스크 인공삽입물에 있어서, 하부 판(2)과 코어(3) 사이에, 하부 판(2)에 대해 평행한 축선을 따른 하부 판(2)에 대한 코어(3)의 평행 운동을 제한 또는 제거하거나, 하부 판(2)에 대해 수직한 축선을 중심으로, 하부 판(2)에 대한 코어(3)의 회전 운동을 제한 또는 제거하기 위한, 협동 수단이 제공되며, 상부 판(1)과 하부 판(2)을 통과하는 평면들이 일정한 각도를 형성하는 것을 특징으로 하는 추간 디스크 인공삽입물.
- 제1항에 있어서, 하부 판(2)은 코어(3)의 자형 수단과 협동하는 웅형 수단을 포함하는 추간 디스크 인공삽입물.
- 제1항에 있어서, 하부 판(2)은 코어(3)의 웅형 수단과 협동하는 자형 수단을 포함하는 추간 디스크 인공삽입물.
- 제1항 내지 3항 중 어느 한 항에 있어서, 상기 각도는 코어(3)가 전-후 방향(F)으로 예각을 형성하여 얻어지는 추간 디스크 인공삽입물.
- 제4항에 있어서, 상부 판(1) 및 하부 판(2)은 다른 두께의 코어들(3)로써 조립될 수 있는 추간 디스크 인공삽입물.
- 제4항 또는 5항에 있어서, 상부 판(1) 및 하부 판(2) 사이의 각도는 0°내지 15°사이로 되는 추간 디스크 인공삽입물.
- 제1항 내지 6항 중 어느 한 항에 있어서, 코어(3)는 상부 판(1) 및/또는 하부 판(2)에 대해 이동 가능하고, 이로써 인공삽입물의 상기 3개의 부품들(1,2,3)의 위치 결함들을 서로에 대해 보상할 수 있게 되는 추간 디스크 인공삽입물.
- 제1항 내지 7항 중 어느 한 항에 있어서, 상부 판(1)의 하부면의 적어도 일부분(10)은 코어(3)의 상부면(31)에 대해 상보적으로 오목하게 되어 있는 추간 디스크 인공삽입물.
- 제1항 내지 8항 중 어느 한 항에 있어서, 각각의 웅형 수단의 치수는 각각의 자형 수단의 치수보다 약간 작게 되어 코어(3)와 하부 판(2) 사이에 약간의 간격을 허용하는 추간 디스크 인공삽입물.
- 제1항 내지 8항 중 어느 한 항에 있어서, 각각의 웅형 수단의 치수는 각각의 자형 수단의 치수와 동일하게 되어 코어(3)와 하부 판(2) 사이에 어떠한 간격도 허용하지 않는 추간 디스크 인공삽입물.
- 제2항 및 제4항 내지 10항 중 어느 한 항에 있어서, 하부 판(2)의 웅형 수단은, 인공삽입물의 내측을 향해 구부려져 있고 인공삽입물의 2개의 에지들(21,22) 상에 서로 대향하게 배치된 2개의 핀들(20)이며, 코어(3)의 자형 수단은 2개의 홈들(30)인 추간 디스크 인공삽입물.
- 제11항에 있어서, 적어도 하나의 핀(20)이 천공부(200)가 형성된 러그로 대체되며 상기 천공부(200)로 진입하는 은못(24)을 이용하는 태그(23)가 천공부 상에 제공되어 있는 추간 디스크 인공삽입물.
- 제2항 및 제4항 내지 10항 중 어느 한 항에 있어서, 하부 판(2)의 웅형 수단은 하부 판(2)의 중앙 부근에 배치된 2개의 은못 핀들(25)이고, 코어(3)의 자형 수단은 2개의 깊은 구멍들(35)인 추간 디스크 인공삽입물.
- 제2항 및 제4항 내지 10항 중 어느 한 항에 있어서, 하부 판(2)의 웅형 수단은 인공삽입물의 2개의 에지들(21,22) 부근에 서로 대향하게 배치된 2개의 벽들이며, 코어(3)의 자형 수단은 홈들인 추간 디스크 인공삽입물.
- 제2항 및 제4항 내지 10항 중 어느 한 항에 있어서, 하부 판(2)의 웅형 수단은 인공삽입물의 중앙에 배치된 리브이고, 코어(3)의 자형 수단은 홈인 추간 디스크 인공삽입물.
- 제1항 내지 15항 중 어느 한 항에 있어서, 상기 코어(3)는 폴리에틸렌으로 제조되는 추간 디스크 인공삽입물.
- 제1항 내지 16항 중 어느 한 항에 있어서, 하부 판(2)은 척추에 인공삽입물 고정 수단(4,5)을 수용하도록 제공된, 그의 전면 부근에 하나 이상의 구멍들(28,29)을 포함하는 추간 디스크 인공삽입물.
- 제17항에 있어서, 하부 판(2)의 구멍(28)은 장방형이고, 고정 수단(4)은 하부 판(2)과 예각을 형성하는 몸체(40) 및 헤드(41)로 구성되는 추간 디스크 인공삽입물.
- 제17항에 있어서, 하부 판(2)의 구멍(29)은 원형이고, 고정 수단(5)은 못 형태인 추간 디스크 인공삽입물.
- 제1항 내지 19항 중 어느 한 항에 있어서, 상부 판(1)은 척추의 형상에 맞추어지도록 그의 상부면의 적어도 일부분이 볼록으로 되어 있는 추간 디스크 인공삽입물.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0213833A FR2846550B1 (fr) | 2002-11-05 | 2002-11-05 | Prothese de disque intervertebral |
FR0213833 | 2002-11-05 | ||
PCT/IB2003/004872 WO2004041129A1 (en) | 2002-11-05 | 2003-10-31 | Intervertebral disk prosthesis |
Publications (2)
Publication Number | Publication Date |
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KR20050062786A true KR20050062786A (ko) | 2005-06-27 |
KR101087153B1 KR101087153B1 (ko) | 2011-11-25 |
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KR1020057007915A KR101087153B1 (ko) | 2002-11-05 | 2003-10-31 | 추간 디스크 인공삽입물 |
Country Status (16)
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US (5) | US7682396B2 (ko) |
EP (3) | EP2327375B1 (ko) |
JP (2) | JP4410112B2 (ko) |
KR (1) | KR101087153B1 (ko) |
CN (2) | CN1720010A (ko) |
AU (2) | AU2003276503B2 (ko) |
BR (1) | BR0315914B1 (ko) |
CA (1) | CA2504583C (ko) |
DK (2) | DK2633835T3 (ko) |
ES (3) | ES2445876T3 (ko) |
FR (1) | FR2846550B1 (ko) |
MX (1) | MXPA05004788A (ko) |
PT (2) | PT2327375E (ko) |
RU (1) | RU2338488C2 (ko) |
WO (1) | WO2004041129A1 (ko) |
ZA (1) | ZA200503937B (ko) |
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Publication number | Priority date | Publication date | Assignee | Title |
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KR100825357B1 (ko) * | 2006-11-02 | 2008-04-28 | 주식회사 지에스메디칼 | 추간 디스크 인공삽입물 |
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