JPH07148189A - 体内脊柱埋め込み管 - Google Patents

体内脊柱埋め込み管

Info

Publication number
JPH07148189A
JPH07148189A JP6179134A JP17913494A JPH07148189A JP H07148189 A JPH07148189 A JP H07148189A JP 6179134 A JP6179134 A JP 6179134A JP 17913494 A JP17913494 A JP 17913494A JP H07148189 A JPH07148189 A JP H07148189A
Authority
JP
Japan
Prior art keywords
tube according
peripheral wall
tube
implantable
rib
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.)
Granted
Application number
JP6179134A
Other languages
English (en)
Other versions
JP2558438B2 (ja
Inventor
Jean Godefroy
ジャン ゴデフロイ
Claude Laville
クロード ラビル
Raymond Roy-Camille
レーモン ロイ−カミーユ
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Advanced Technical Fabrication SA
Original Assignee
Advanced Technical Fabrication SA
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Advanced Technical Fabrication SA filed Critical Advanced Technical Fabrication SA
Publication of JPH07148189A publication Critical patent/JPH07148189A/ja
Application granted granted Critical
Publication of JP2558438B2 publication Critical patent/JP2558438B2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS 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
    • A61F2/00Filters 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
    • A61F2/02Prostheses implantable into the body
    • A61F2/30Joints
    • A61F2/44Joints for the spine, e.g. vertebrae, spinal discs
    • A61F2/4455Joints for the spine, e.g. vertebrae, spinal discs for the fusion of spinal bodies, e.g. intervertebral fusion of adjacent spinal bodies, e.g. fusion cages
    • A61F2/446Joints for the spine, e.g. vertebrae, spinal discs for the fusion of spinal bodies, e.g. intervertebral fusion of adjacent spinal bodies, e.g. fusion cages having a circular or elliptical cross-section substantially parallel to the axis of the spine, e.g. cylinders or frustocones
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS 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
    • A61F2/00Filters 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
    • A61F2/02Prostheses implantable into the body
    • A61F2/30Joints
    • A61F2/44Joints for the spine, e.g. vertebrae, spinal discs
    • A61F2/442Intervertebral or spinal discs, e.g. resilient
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS 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
    • A61F2/00Filters 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
    • A61F2/02Prostheses implantable into the body
    • A61F2/30Joints
    • A61F2/46Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor
    • A61F2/4603Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor for insertion or extraction of endoprosthetic joints or of accessories thereof
    • A61F2/4611Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor for insertion or extraction of endoprosthetic joints or of accessories thereof of spinal prostheses
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS 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
    • A61F2/00Filters 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
    • A61F2/02Prostheses implantable into the body
    • A61F2/28Bones
    • A61F2002/2835Bone graft implants for filling a bony defect or an endoprosthesis cavity, e.g. by synthetic material or biological material
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS 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
    • A61F2/00Filters 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
    • A61F2/02Prostheses implantable into the body
    • A61F2/30Joints
    • A61F2002/30001Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
    • A61F2002/30108Shapes
    • A61F2002/3011Cross-sections or two-dimensional shapes
    • A61F2002/30138Convex polygonal shapes
    • A61F2002/30158Convex polygonal shapes trapezoidal
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS 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
    • A61F2/00Filters 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
    • A61F2/02Prostheses implantable into the body
    • A61F2/30Joints
    • A61F2002/30001Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
    • A61F2002/30108Shapes
    • A61F2002/30199Three-dimensional shapes
    • A61F2002/30205Three-dimensional shapes conical
    • A61F2002/3021Three-dimensional shapes conical frustoconical
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS 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
    • A61F2/00Filters 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
    • A61F2/02Prostheses implantable into the body
    • A61F2/30Joints
    • A61F2002/30001Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
    • A61F2002/30108Shapes
    • A61F2002/30199Three-dimensional shapes
    • A61F2002/30205Three-dimensional shapes conical
    • A61F2002/30217Three-dimensional shapes conical hollow cones, e.g. tubular-like cones
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS 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
    • A61F2/00Filters 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
    • A61F2/02Prostheses implantable into the body
    • A61F2/30Joints
    • A61F2002/30001Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
    • A61F2002/30108Shapes
    • A61F2002/30199Three-dimensional shapes
    • A61F2002/30252Three-dimensional shapes quadric-shaped
    • A61F2002/30253Three-dimensional shapes quadric-shaped ellipsoidal or ovoid
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS 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
    • A61F2/00Filters 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
    • A61F2/02Prostheses implantable into the body
    • A61F2/30Joints
    • A61F2002/30001Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
    • A61F2002/30316The 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
    • A61F2002/30317The prosthesis having different structural features at different locations within the same prosthesis
    • A61F2002/30327The prosthesis having different structural features at different locations within the same prosthesis differing in diameter
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS 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
    • A61F2/00Filters 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
    • A61F2/02Prostheses implantable into the body
    • A61F2/30Joints
    • A61F2002/30001Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
    • A61F2002/30316The 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
    • A61F2002/30535Special structural features of bone or joint prostheses not otherwise provided for
    • A61F2002/30537Special structural features of bone or joint prostheses not otherwise provided for adjustable
    • A61F2002/30538Special structural features of bone or joint prostheses not otherwise provided for adjustable for adjusting angular orientation
    • A61F2002/3054Special structural features of bone or joint prostheses not otherwise provided for adjustable for adjusting angular orientation about a connection axis or implantation axis for selecting any one of a plurality of radial orientations between two modular parts, e.g. Morse taper connections, at discrete positions, angular positions or continuous positions
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS 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
    • A61F2/00Filters 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
    • A61F2/02Prostheses implantable into the body
    • A61F2/30Joints
    • A61F2002/30001Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
    • A61F2002/30316The 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
    • A61F2002/30535Special structural features of bone or joint prostheses not otherwise provided for
    • A61F2002/30593Special structural features of bone or joint prostheses not otherwise provided for hollow
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS 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
    • A61F2/00Filters 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
    • A61F2/02Prostheses implantable into the body
    • A61F2/30Joints
    • A61F2002/30001Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
    • A61F2002/30316The 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
    • A61F2002/30535Special structural features of bone or joint prostheses not otherwise provided for
    • A61F2002/30617Visible markings for adjusting, locating or measuring
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS 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
    • A61F2/00Filters 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
    • A61F2/02Prostheses implantable into the body
    • A61F2/30Joints
    • A61F2/30767Special external or bone-contacting surface, e.g. coating for improving bone ingrowth
    • A61F2/30771Special external or bone-contacting surface, e.g. coating for improving bone ingrowth applied in original prostheses, e.g. holes or grooves
    • A61F2002/30772Apertures or holes, e.g. of circular cross section
    • A61F2002/30774Apertures or holes, e.g. of circular cross section internally-threaded
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS 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
    • A61F2/00Filters 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
    • A61F2/02Prostheses implantable into the body
    • A61F2/30Joints
    • A61F2/30767Special external or bone-contacting surface, e.g. coating for improving bone ingrowth
    • A61F2/30771Special external or bone-contacting surface, e.g. coating for improving bone ingrowth applied in original prostheses, e.g. holes or grooves
    • A61F2002/30772Apertures or holes, e.g. of circular cross section
    • A61F2002/30777Oblong apertures
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS 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
    • A61F2/00Filters 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
    • A61F2/02Prostheses implantable into the body
    • A61F2/30Joints
    • A61F2/30767Special external or bone-contacting surface, e.g. coating for improving bone ingrowth
    • A61F2/30771Special external or bone-contacting surface, e.g. coating for improving bone ingrowth applied in original prostheses, e.g. holes or grooves
    • A61F2002/30772Apertures or holes, e.g. of circular cross section
    • A61F2002/30784Plurality of holes
    • A61F2002/30785Plurality of holes parallel
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS 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
    • A61F2/00Filters 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
    • A61F2/02Prostheses implantable into the body
    • A61F2/30Joints
    • A61F2/30767Special external or bone-contacting surface, e.g. coating for improving bone ingrowth
    • A61F2/30771Special external or bone-contacting surface, e.g. coating for improving bone ingrowth applied in original prostheses, e.g. holes or grooves
    • A61F2002/30841Sharp anchoring protrusions for impaction into the bone, e.g. sharp pins, spikes
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS 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
    • A61F2/00Filters 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
    • A61F2/02Prostheses implantable into the body
    • A61F2/30Joints
    • A61F2/30767Special external or bone-contacting surface, e.g. coating for improving bone ingrowth
    • A61F2/30771Special external or bone-contacting surface, e.g. coating for improving bone ingrowth applied in original prostheses, e.g. holes or grooves
    • A61F2002/30878Special external or bone-contacting surface, e.g. coating for improving bone ingrowth applied in original prostheses, e.g. holes or grooves with non-sharp protrusions, for instance contacting the bone for anchoring, e.g. keels, pegs, pins, posts, shanks, stems, struts
    • A61F2002/30879Ribs
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS 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
    • A61F2/00Filters 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
    • A61F2/02Prostheses implantable into the body
    • A61F2/30Joints
    • A61F2/30767Special external or bone-contacting surface, e.g. coating for improving bone ingrowth
    • A61F2/30771Special external or bone-contacting surface, e.g. coating for improving bone ingrowth applied in original prostheses, e.g. holes or grooves
    • A61F2002/30904Special external or bone-contacting surface, e.g. coating for improving bone ingrowth applied in original prostheses, e.g. holes or grooves serrated profile, i.e. saw-toothed
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS 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
    • A61F2230/00Geometry of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
    • A61F2230/0002Two-dimensional shapes, e.g. cross-sections
    • A61F2230/0017Angular shapes
    • A61F2230/0026Angular shapes trapezoidal
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS 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
    • A61F2230/00Geometry of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
    • A61F2230/0063Three-dimensional shapes
    • A61F2230/0067Three-dimensional shapes conical
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS 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
    • A61F2230/00Geometry of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
    • A61F2230/0063Three-dimensional shapes
    • A61F2230/0073Quadric-shaped
    • A61F2230/0076Quadric-shaped ellipsoidal or ovoid
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS 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
    • A61F2250/00Special features of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
    • A61F2250/0014Special 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
    • A61F2250/0039Special 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 diameter
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS 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
    • A61F2250/00Special features of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
    • A61F2250/0058Additional features; Implant or prostheses properties not otherwise provided for
    • A61F2250/0096Markers and sensors for detecting a position or changes of a position of an implant, e.g. RF sensors, ultrasound markers
    • A61F2250/0097Visible markings, e.g. indicia

Abstract

(57)【要約】 【目的】 本発明は、嵌め込み中の神経損傷の危険性が
低減され、埋め込み管の脊椎間での回転に対抗する良好
な位置及び固定と、機械的剛性の増加と、良好な骨の接
着とを提供する新しい体内埋め込み管の構造の画定を目
的とする。 【構成】 本発明の中空管状の埋め込み管は、第1の端
で開口し略円形状の断面の外面を有する周囲壁により画
成される内部空洞よりなる。2つの側面は固く、上及び
底面は連通孔を有する。環状外部リブは、隣接する2つ
の脊椎の間に埋め込み管が挿入されるとき、埋め込み管
の逆行する動きと回転を防止する。埋め込み管は、嵌め
込み前に埋め込み管に挿入された骨の組織片によって2
つの脊椎を共に固定し融合する。

Description

【発明の詳細な説明】
【0001】
【産業上の利用分野】本発明は、一定の平円形の空間を
確保するよう隣接する2つの脊柱の対向する面内に予め
形成された溝に挿入されるべきプラグを形成するよう設
計された脊柱固定用の中空管状の体内埋め込み管に関す
る。
【0002】
【従来の技術】この種の中空管状の体内埋め込み管は、
例えば、米国特許出願第4 501269号明細書に記
載されている。この挿入管は、少なくとも第1の端で開
口する周囲壁により画成される内部空洞と、挿入管の外
部と内部とを連通させ、脊椎と埋め込み管内に挿入され
た海綿状の骨の組織片との直接的な接触を可能にさせる
上部及び底部の開口部とよりなる。これにより、体内脊
椎接合が行われる。
【0003】国際特許出願第89 12431号明細書
には、その側面に亘って孔が分布する円筒形のケージ
と、かかるケージを適当な場所にねじ込むための外部螺
旋状ねじとよりなる別の装置が記載されている。これら
の装置は、孔の大きさが必然的に制限され、また、回転
に対する固定は不充分であるので、2つの順次の脊椎を
共に接合するために有効ではないことが分かっている。
【0004】欧州特許第0 307 241号明細書に
は、並列管状のケージの形で他の埋め込み管が記載され
ている。この種のケージの長手方向のエッジは、隣接す
る脊椎の間に埋め込み管を挿入する間に脊髄又は脊髄神
経の付け根を痛める。他の従来技術の埋め込み管は、ケ
ージの2つのエッジを結合する4本の柱により画成され
た円筒状のケージの形であり、この柱は脊椎の対向する
面に平行に配置される。この種の埋め込み管は、特に、
その構造の機械的剛性が不十分であるため、背骨の正常
な湾曲を回復させるには効果がない。
【0005】
【発明が解決しようとする課題】本発明の課題は、嵌め
込み中の神経損傷の危険性が極めて著しく低減され、脊
椎の間で埋め込み管の回転に対抗する良好な位置及び良
好な固定と、機械的剛性の増加と、隣接する2つの脊椎
の融合を促進する良好な骨の接着とを提供する新しい体
内埋め込み管の構造を画定することである。
【0006】本発明の解決する他の課題は、腰椎の正常
な湾曲を回復させるよう埋め込み管を特定の形状に形成
して脊椎間の角度を矯正することである。
【0007】
【課題を解決するための手段】上記及びその他の目的を
達成するために、本発明の体内埋め込み管は、その周囲
壁が、 − 略円形状の断面の外面と、 − 2つの固い側面と、そこに連通孔を有する上面及び
底面と、 − 逆行する動きを防止する少なくとも一の環状外部リ
ブとよりなる。
【0008】本発明の望ましい一実施例によれば、周囲
壁は、埋め込み管の長手方向の軸周りの回転に対抗する
ために脊椎の骨に固定されるよう適合された少なくとも
一の回転防止外部レリーフを更に有する。周囲壁は、長
手方向の両端の先端が切られた略直円錐台状或いは卵形
状のいずれかであることが望ましく、その大きい方の底
はその第1の端の面よりなり、その小さいほうの底は第
2の端の面よりなる。
【0009】本発明の有利な一実施例は、側面がその外
側に平面部を含み、環状外部リブを含まない。
【0010】
【実施例】本発明の他の目的、特徴及び利点は、以下に
添付図面を参照して本発明の特定の実施例を説明するこ
とにより明らかになる。図面を参照するに、本発明の体
内埋め込み管は、例えば、長手方向の軸I−Iを有し、
金属又は固い材料より作られる中空の管状部材であり、
少なくとも第1の端3で開口する周囲壁2により画成さ
れる内部空洞1よりなる。
【0011】周囲壁2は略円形状の断面の外面4を有す
る。この外面4は、2つの固い側面5及び6と、そこに
連通孔を有する上面7及び底面8とより形成される。例
えば、上面7は、そこに2つの連通孔9及び10を有
し、底面8は、そこに連通孔11及び12を有する。周
囲壁2は、逆行する動きを防止する少なくとも一の環状
外部リブ、例えば、第1の端3の近くにリブ13を更に
有する。
【0012】図示する実施例において、埋め込み管は、
第1の端3の近くに第1の環状外部リブ13と、第2の
端15の近くに第2の環状外部リブ14と、連通孔を含
まない周囲壁2の中間領域17に中間環状外部リブ16
とを有する。図6乃至9に示す実施例において、環状外
部リブ13、14及び16は、直動及び回転の両方に関
する埋め込み管の軸方向の動きを防止するための歯をつ
けられることが望ましく、その歯が脊椎に固定されるよ
うになる。
【0013】或いは、上記の例に対して、周囲壁2の外
面から突出する1以上の長手方向のリブを設けることが
可能である。しかしながら、これらの回転対抗手段は、
環状外部リブ上の歯よりも製造が難しい。全ての実施例
において、連通孔9、10、11及び12は、長円状の
孔であることが有利であり、その長さは、埋め込み管の
長さの半分よりも僅かに短く、その幅は、埋め込み管の
径に実質的に一致する。
【0014】本発明の埋め込み管は、1、2、或いは3
つのリブ、又は、より多数の環状外部リブにより構成し
得ることが理解されよう。特に、図3、5及び8を参照
して、各々の環状外部リブ13、14又は16は、第2
の端15に向かう方向で埋め込み管の動きを防止する非
対称性の鋸歯状の横方向断面を有することが望ましい。
【0015】図1乃至3及び6乃至8の実施例におい
て、周囲壁2は、略直円錐台状の外形を有し、大きい方
の底は、第1の端3の面よりなり、小さい方の底は、第
2の端15の面よりなる。この種の形状により、隣接す
る2つの脊椎間に適切な生理学的角度を回復させ、維持
することが可能である。図5に示す実施例において、周
囲壁2は、第1の端3に大きな底を形成し、第2の端1
5に小さな底を形成する長手方向の両端が先端を切られ
た略卵形状の外形を有する。
【0016】この卵形状は、その間に埋め込み管が挿入
されるべき脊椎の解剖学的形状により良く適合するので
選ばれている。埋め込み管を挿入する前に、溝に適当な
長手方向の断面形状が与えられる。図示する実施例にお
いて、側面5及び6は、外側に外部リブを含まない。従
って、図4及び9により明瞭に示す如く、環状外部リブ
は、側面5又は6の両方で中断される。例えば、外側の
リブ16は、上部に2箇所の中断部18及び19と、下
部に2箇所の中断部20及び21を含み、隣接する2つ
の脊椎の間に係合するとき、この中断部は埋め込み管の
回転を防止する。
【0017】側面5及び6は、図1、4、6及び9に示
す如く、外側に平面部を有し、これにより、そこから埋
め込み管が作られる材料の量を少し減少させることが可
能である。この平面部は、夫々の側面の長さ全体を占め
る。周囲壁2は、その第2の端15で横支承壁22に接
続される。この横支承壁22は、ねじ付軸孔23を有す
るので、埋め込み管と位置を合わされた挿入具を軸穴に
嵌め込むことが可能である。
【0018】横支承壁22は、挿入具と埋め込み管とが
一緒に回転するよう拘束する外部レリーフ、例えば、直
径方向の溝又はスロット24を更に有する。外部レリー
フは、長手方向の軸I−Iに関する埋め込み管の角度位
置を示す視覚的な手段を提供するような形状とされるこ
とが望ましい。直径方向の溝又はスロットの形の外部レ
リーフ構造は、角度位置の視覚的な提示手段を提供する
一つの方法である。特に、この構造により、その間に埋
め込み管が挿入される隣接する2つの脊椎の対応する面
に上面7及び底面8が対向するよう、埋め込み管を2つ
の脊椎の間に位置決めすることが可能である。
【0019】図3、4、5及び9は、隣接する2つの脊
椎25及び26の間に置かれた本発明の埋め込み管を示
す。挿入具を挿入する前に、患者の身体のいずれかの部
位から摘出された海綿状の骨の組織片100が内部空洞
100に挿入される。2つの脊椎の間に埋め込み管を挿
入する前に、矢印で背骨の長手方向の軸に示された適当
な断面の溝が夫々の脊椎に形成され、この2つの溝の組
み合わせは、その断面が埋め込み管の第2の端15の寸
法に実質的に等しい実質的に円筒形のハウジングを形成
する。次いで、2つの脊椎25及び26は、適当な手段
によって離され、埋め込み管が2つの溝の中に軸の方向
に挿入され、その後、脊椎は自由にされる。埋め込み管
の直円錐台状の形状により、適切な角度の向きが脊椎2
5及び26に分与され、腰椎の正常な湾曲のような正常
な形態学的角度が生じる。環状外部リブ13、14及び
16は、埋め込み管の軸方向の平行移動を防止するよう
脊椎25及び26の骨に係合する。環状外部リブ及び長
手方向のリブの端18乃至21、即ち、歯は、埋め込み
管の長手方向の軸周りの回転を防止するよう骨を圧迫す
る。
【0020】埋め込み管が嵌め込まれると、海綿状の骨
の組織片100は、下方の脊椎25と上方の脊椎26の
骨組織と接触し、これらの脊椎は徐々に一体的に融合す
る。寸法の大きな連通孔9、10、11及び12は、封
入された組織片と、2つの脊椎25及び26との間に良
好な接触を与えることにより、かかる融合に寄与する。
【0021】本発明の埋め込み管の固い側面5及び6に
より、埋め込み管は、2つの脊椎25及び26の間の圧
縮負荷に耐え得るよう固定される。埋め込み管の略円形
状の断面により、2つの脊椎の間への埋め込み管の挿入
中に神経損傷の危険が回避される。本発明は、詳述した
実施例に限定されることはなく、特許請求の範囲の記載
の目的の範囲内であらゆる変形とその一般化を含む。
【図面の簡単な説明】
【図1】本発明の体内埋め込み管の第1実施例の斜め上
からの斜視図である。
【図2】図1に示す体内埋め込み管の平面図である。
【図3】2つの脊椎の間の位置にある図1の体内埋め込
み管を示す長手方向断面の側面図である。
【図4】図3の線A−Aによる横断面図である。
【図5】長手方向の両端の先端が切られた略卵形状の埋
め込み管を示す長手方向断面の側面図である。
【図6】本発明の体内埋め込み管の第2実施例の斜め上
からの斜視図である。
【図7】図6に示す体内埋め込み管の平面図である。
【図8】図6に示す埋め込み管の長手方向の断面図であ
る。
【図9】図6に示す埋め込み管の横方向の断面図であ
る。
【符号の説明】
1 内部空洞 2 周囲壁 3 第1の端 4 外面 5,6 側面 7,8 上及び底面 9,10,11,12 連通孔 13,14 環状外部リブ 15 第2の端 16 中間環状外部リブ 17 中間領域 18,19,20,21 中断部 22 横支承壁 23 軸孔 24 外部レリーフ 25,26 脊椎 100 海綿状の骨の組織片
───────────────────────────────────────────────────── フロントページの続き (72)発明者 ラビル クロード フランス国 75016 パリ アヴニュ・ド ゥ・ヴェルサイユ 206 (72)発明者 ロイ−カミーユ レーモン フランス国 75007 パリ リュ・ドゥ・ ブエノス−アイレス 1

Claims (12)

    【特許請求の範囲】
  1. 【請求項1】 連通孔(9,10,11,12)を有す
    る周囲壁(2)により画成される内部空洞(1)よりな
    る脊柱固定用の中空管状の体内埋め込み管であって、 該周囲壁(2)は、 − 略円形状の断面の外面(4)と、 − 2つの固い側面(5,6)と、そこに該連通孔
    (9,10,11,12)を有する上面及び底面(7,
    8)と、 − 逆行する動きを防止する少なくとも一の環状外部リ
    ブ(13)とよりなることを特徴とする体内埋め込み
    管。
  2. 【請求項2】 前記周囲壁(2)は少なくとも一の回転
    防止外部レリーフをさらに有することを特徴とする請求
    項1記載の埋め込み管。
  3. 【請求項3】 前記周囲壁(2)は、長手方向の両端の
    先端が切られた略直円錐台状或いは卵形状であり、その
    大きい方の底はその第1の端(3)の面よりなることを
    特徴とする請求項1又は2記載の埋め込み管。
  4. 【請求項4】 前記周囲壁(2)は、その第1の端
    (3)及びその第2の端(15)近くの夫々環状外部リ
    ブ(13,14)よりなることを特徴とする請求項1乃
    至3のうちいずれか1項記載の埋め込み管。
  5. 【請求項5】 貫通孔のない該壁の中間領域(17)に
    中間環状外部リブ(16)を更に有することを特徴とす
    る請求項4記載の埋め込み管。
  6. 【請求項6】 前記回転防止外部レリーフは、逆行する
    動きを防止する少なくとも一の前記環状外部リブ(1
    3)から突出する少なくとも一の歯よりなることを特徴
    とする請求項2記載の埋め込み管。
  7. 【請求項7】 前記側面(5,6)は環状外部リブを有
    しないことを特徴とする請求項1乃至6のうちいずれか
    1項記載の埋め込み管。
  8. 【請求項8】 前記側面(5,6)はその外側に平面部
    を含むことを特徴とする請求項1乃至7のうちいずれか
    1項記載の埋め込み管。
  9. 【請求項9】 前記周囲壁(2)は、その第2の端(1
    5)で横支承壁(22)に接続されることを特徴とする
    請求項1乃至8のうちいずれか1項記載の埋め込み管。
  10. 【請求項10】 前記横支承壁(22)は、挿入具を取
    り付けるねじ付軸孔(23)よりなることを特徴とする
    請求項9記載の埋め込み管。
  11. 【請求項11】 前記横支承壁(22)は、埋め込み管
    に対する挿入具の回転を防止する外部レリーフ(24)
    を含むことを特徴とする請求項10記載の埋め込み管。
  12. 【請求項12】 前記外部レリーフ(24)は、埋め込
    み管の長手方向の軸(I−I)周りの角度位置を視覚的
    に示す手段を構成するような形状とされていることを特
    徴とする請求項11記載の埋め込み管。
JP6179134A 1993-08-06 1994-07-29 体内脊柱埋め込み管 Expired - Lifetime JP2558438B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9309835 1993-08-06
FR9309835A FR2708461B1 (fr) 1993-08-06 1993-08-06 Implant intersomatique pour colonne vertébrale.

Publications (2)

Publication Number Publication Date
JPH07148189A true JPH07148189A (ja) 1995-06-13
JP2558438B2 JP2558438B2 (ja) 1996-11-27

Family

ID=9450095

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6179134A Expired - Lifetime JP2558438B2 (ja) 1993-08-06 1994-07-29 体内脊柱埋め込み管

Country Status (12)

Country Link
US (1) US5683463A (ja)
EP (1) EP0637440B1 (ja)
JP (1) JP2558438B2 (ja)
KR (1) KR950005279A (ja)
AT (1) ATE159167T1 (ja)
AU (1) AU668654B2 (ja)
CA (1) CA2128932C (ja)
DE (1) DE69406216T2 (ja)
FI (1) FI943640A (ja)
FR (1) FR2708461B1 (ja)
NZ (1) NZ264176A (ja)
TW (1) TW267932B (ja)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6129763A (en) * 1996-09-13 2000-10-10 Chauvin; Jean-Luc Expandable osteosynthesis cage
JP2008531134A (ja) * 2005-02-23 2008-08-14 スモール・ボーン・イノベーションズ・インコーポレーテッド 骨インプラント
JP2008534166A (ja) * 2005-04-01 2008-08-28 コロプラスト アクティーゼルスカブ 人工陰茎先端拡張器用アダプター
US9314348B2 (en) 2014-06-04 2016-04-19 Wenzel Spine, Inc. Bilaterally expanding intervertebral body fusion device
US11219531B2 (en) 2019-04-10 2022-01-11 Wenzel Spine, Inc. Rotatable intervertebral spacing implant

Families Citing this family (155)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6210412B1 (en) 1988-06-13 2001-04-03 Gary Karlin Michelson Method for inserting frusto-conical interbody spinal fusion implants
US7491205B1 (en) 1988-06-13 2009-02-17 Warsaw Orthopedic, Inc. Instrumentation for the surgical correction of human thoracic and lumbar spinal disease from the lateral aspect of the spine
US6923810B1 (en) 1988-06-13 2005-08-02 Gary Karlin Michelson Frusto-conical interbody spinal fusion implants
US7534254B1 (en) 1988-06-13 2009-05-19 Warsaw Orthopedic, Inc. Threaded frusto-conical interbody spinal fusion implants
US6123705A (en) 1988-06-13 2000-09-26 Sdgi Holdings, Inc. Interbody spinal fusion implants
US5609635A (en) 1988-06-28 1997-03-11 Michelson; Gary K. Lordotic interbody spinal fusion implants
BE1007549A3 (nl) 1993-09-21 1995-08-01 Beckers Louis Francois Charles Implantaat.
ES2171193T3 (es) * 1994-09-15 2002-09-01 Surgical Dynamics Inc Caja de fusion anterior de forma conica.
AU708384B2 (en) * 1994-12-12 1999-08-05 Howmedica Osteonics Corp. Conically-shaped fusion cage and method of implantation
CN1134810A (zh) * 1995-02-17 1996-11-06 索发默达纳集团股份有限公司 改进的体内脊骨融合植入件
AU752060B2 (en) * 1995-02-17 2002-09-05 Warsaw Orthopedic, Inc. Improved interbody spinal fusion implants
US6758849B1 (en) 1995-02-17 2004-07-06 Sdgi Holdings, Inc. Interbody spinal fusion implants
WO1996027348A1 (de) * 1995-03-08 1996-09-12 Synthes Ag, Chur Zwischenwirbel-implantat
ZA962368B (en) * 1995-03-27 1996-10-01 Danek Medical Inc Interbody fusion device and method for restoration of normal spinal anatomy
US6206922B1 (en) * 1995-03-27 2001-03-27 Sdgi Holdings, Inc. Methods and instruments for interbody fusion
WO1997031517A2 (en) * 1995-03-27 1997-08-28 Sdgi Holdings, Inc. Spinal fusion implants and tools for insertion and revision
US5782919A (en) 1995-03-27 1998-07-21 Sdgi Holdings, Inc. Interbody fusion device and method for restoration of normal spinal anatomy
ATE405228T1 (de) * 1995-06-07 2008-09-15 Warsaw Orthopedic Inc Translaterales wirbelsäulenimplantat
US20020143402A1 (en) * 1995-09-04 2002-10-03 Limber Ltd. Hip joint prostheses
JP3621424B2 (ja) * 1995-10-20 2005-02-16 ジンテーズ アクチエンゲゼルシャフト クール ケージと回転体を有する椎間インプラント
WO1997015248A1 (de) * 1995-10-20 1997-05-01 Synthes Ag Chur Zwischenwirbel-implantat
FR2742044B1 (fr) * 1995-12-11 1998-03-27 Medinov Sa Prothese d'arthrodese intersomatique vertebrale
FR2742652B1 (fr) * 1995-12-21 1998-02-27 Colorado Implant intervertebral du type cage intersomatique
DE29600879U1 (de) * 1996-01-19 1996-03-28 Howmedica Gmbh Wirbelsäulenimplantat
US5865845A (en) 1996-03-05 1999-02-02 Thalgott; John S. Prosthetic intervertebral disc
FR2747034B1 (fr) * 1996-04-03 1998-06-19 Scient X Systeme de contention et de fusion intersomatique
WO1997037619A1 (de) * 1996-04-10 1997-10-16 Synthes Ag Chur Zwischenwirbel-implantat
DE29616778U1 (de) 1996-09-26 1998-01-29 Howmedica Gmbh Wirbelkörperplatzhalter
FR2754170B1 (fr) * 1996-10-03 1998-12-24 Medinov Amp Prothese d'arthrodese intersomatique vertebrale
ES2150405T1 (es) * 1997-04-25 2000-12-01 Stryker France Sa Implantes intersomaticos en dos partes.
US5876457A (en) 1997-05-20 1999-03-02 George J. Picha Spinal implant
FR2767675B1 (fr) * 1997-08-26 1999-12-03 Materiel Orthopedique En Abreg Implant intersomatique et ancillaire de preparation adapte pour permettre sa pose
USRE38614E1 (en) 1998-01-30 2004-10-05 Synthes (U.S.A.) Intervertebral allograft spacer
US6086593A (en) 1998-06-30 2000-07-11 Bonutti; Peter M. Method and apparatus for use in operating on a bone
WO2000007527A1 (en) 1998-08-03 2000-02-17 Synthes Ag Chur Intervertebral allograft spacer
US6099531A (en) * 1998-08-20 2000-08-08 Bonutti; Peter M. Changing relationship between bones
FR2782632B1 (fr) * 1998-08-28 2000-12-29 Materiel Orthopedique En Abreg Cage de fusion intersomatique expansible
US6117174A (en) * 1998-09-16 2000-09-12 Nolan; Wesley A. Spinal implant device
US6159244A (en) * 1999-07-30 2000-12-12 Suddaby; Loubert Expandable variable angle intervertebral fusion implant
US6547823B2 (en) 1999-01-22 2003-04-15 Osteotech, Inc. Intervertebral implant
FR2789297B1 (fr) * 1999-02-04 2001-05-11 Aesculap Ag & Co Kg Vis de liaison rehabitable pour l'arthrodese d'une articulation osseuse, notamment pour la stabilisation de deux vertebres
CA2361068A1 (en) 1999-02-04 2000-08-10 Sdgi Holdings, Inc. Improved interbody fusion device with anti-rotation features
US6241770B1 (en) 1999-03-05 2001-06-05 Gary K. Michelson Interbody spinal fusion implant having an anatomically conformed trailing end
DE60024979T2 (de) * 1999-04-07 2006-08-24 Howmedica Osteonics Corp. Fusionskäfig mit niedrigem profil und einführungsvorrichtung
AU4988700A (en) 1999-05-05 2000-11-17 Gary K. Michelson Spinal fusion implants with opposed locking screws
WO2000066044A1 (en) * 1999-05-05 2000-11-09 Michelson Gary K Nested interbody spinal fusion implants
US6277149B1 (en) 1999-06-08 2001-08-21 Osteotech, Inc. Ramp-shaped intervertebral implant
FR2794967B1 (fr) * 1999-06-21 2001-12-14 Medicrea Ogive dilatatrice introduite entre des surfaces osseuses articulaires concaves pour en restaurer l'ecartement et la position angulaire
FR2897259B1 (fr) 2006-02-15 2008-05-09 Ldr Medical Soc Par Actions Si Cage intersomatique transforaminale a greffon de fusion intervetebrale et instrument d'implantation de la cage
EP1211985B1 (en) * 1999-08-26 2006-09-27 SDGI Holdings, Inc. Device for implanting fusion cages
US6866682B1 (en) 1999-09-02 2005-03-15 Stryker Spine Distractable corpectomy device
FR2798059B1 (fr) 1999-09-08 2002-03-22 Phusis Implant intersomatique, dispositif pour la stabilisation du rachis et kit pour la realisation d'une arthrodese
DE60005037T2 (de) 1999-10-19 2004-06-17 SDGI Holding, Inc., Wilmington Schneidwerkzeug-vorbereitungszubehör zum einsetzen des implantats
WO2001028461A2 (en) * 1999-10-20 2001-04-26 Sdgi Holdings, Inc. Impacted orthopedic bone support implant
FR2801783B1 (fr) * 1999-12-02 2002-06-14 Claude Laville Cage intersomatique
US7115143B1 (en) 1999-12-08 2006-10-03 Sdgi Holdings, Inc. Orthopedic implant surface configuration
US6827740B1 (en) 1999-12-08 2004-12-07 Gary K. Michelson Spinal implant surface configuration
WO2001049220A1 (en) 1999-12-30 2001-07-12 Osteotech, Inc. Intervertebral implants
US6332895B1 (en) 2000-03-08 2001-12-25 Loubert Suddaby Expandable intervertebral fusion implant having improved stability
US7169183B2 (en) * 2000-03-14 2007-01-30 Warsaw Orthopedic, Inc. Vertebral implant for promoting arthrodesis of the spine
AR027685A1 (es) * 2000-03-22 2003-04-09 Synthes Ag Forma de tejido y metodo para realizarlo
US6436141B2 (en) 2000-04-07 2002-08-20 Surgical Dynamics, Inc. Apparatus for fusing adjacent bone structures
US6350283B1 (en) * 2000-04-19 2002-02-26 Gary K. Michelson Bone hemi-lumbar interbody spinal implant having an asymmetrical leading end and method of installation thereof
US7462195B1 (en) 2000-04-19 2008-12-09 Warsaw Orthopedic, Inc. Artificial lumbar interbody spinal implant having an asymmetrical leading end
JP2004516040A (ja) 2000-06-30 2004-06-03 リトラン、スティーブン 多軸継手装置及び方法
US20020038123A1 (en) * 2000-09-20 2002-03-28 Visotsky Jeffrey L. Osteotomy implant
US6692434B2 (en) 2000-09-29 2004-02-17 Stephen Ritland Method and device for retractor for microsurgical intermuscular lumbar arthrodesis
US7166073B2 (en) 2000-09-29 2007-01-23 Stephen Ritland Method and device for microsurgical intermuscular spinal surgery
US20030120274A1 (en) 2000-10-20 2003-06-26 Morris John W. Implant retaining device
EP1328219A2 (en) * 2000-10-24 2003-07-23 Howmedica Osteonics Corp. Barrel-shaped apparatus for fusing adjacent bone structure
US20020169507A1 (en) * 2000-12-14 2002-11-14 David Malone Interbody spine fusion cage
US20030045935A1 (en) * 2001-02-28 2003-03-06 Angelucci Christopher M. Laminoplasty implants and methods of use
US20020138147A1 (en) * 2001-03-22 2002-09-26 Surgical Dynamics, Inc. Apparatus for fusing adjacent bone structures
US6989031B2 (en) 2001-04-02 2006-01-24 Sdgi Holdings, Inc. Hemi-interbody spinal implant manufactured from a major long bone ring or a bone composite
US6749636B2 (en) 2001-04-02 2004-06-15 Gary K. Michelson Contoured spinal fusion implants made of bone or a bone composite material
US6890355B2 (en) 2001-04-02 2005-05-10 Gary K. Michelson Artificial contoured spinal fusion implants made of a material other than bone
US6974480B2 (en) 2001-05-03 2005-12-13 Synthes (Usa) Intervertebral implant for transforaminal posterior lumbar interbody fusion procedure
US6719794B2 (en) 2001-05-03 2004-04-13 Synthes (U.S.A.) Intervertebral implant for transforaminal posterior lumbar interbody fusion procedure
US6635087B2 (en) 2001-08-29 2003-10-21 Christopher M. Angelucci Laminoplasty implants and methods of use
ATE495709T1 (de) 2001-09-28 2011-02-15 Stephen Ritland Verbindungsstange für ein polyaxiales system mit schraube oder haken
US6979353B2 (en) 2001-12-03 2005-12-27 Howmedica Osteonics Corp. Apparatus for fusing adjacent bone structures
US6855167B2 (en) 2001-12-05 2005-02-15 Osteotech, Inc. Spinal intervertebral implant, interconnections for such implant and processes for making
AR038680A1 (es) 2002-02-19 2005-01-26 Synthes Ag Implante intervertebral
WO2003073908A2 (en) 2002-02-20 2003-09-12 Stephen Ritland Pedicle screw connector apparatus and method
DE20205016U1 (de) * 2002-03-30 2003-08-14 Mathys Medizinaltechnik Ag Bet Chirurgisches Implantat
US6783547B2 (en) * 2002-04-05 2004-08-31 Howmedica Corp. Apparatus for fusing adjacent bone structures
US6966910B2 (en) 2002-04-05 2005-11-22 Stephen Ritland Dynamic fixation device and method of use
WO2003094699A2 (en) 2002-05-08 2003-11-20 Stephen Ritland Dynamic fixation device and method of use
US7044971B2 (en) * 2002-08-30 2006-05-16 Loubert Suddaby Lordotic fusion implant
US7063725B2 (en) 2002-10-21 2006-06-20 Sdgi Holdings, Inc. Systems and techniques for restoring and maintaining intervertebral anatomy
US7125425B2 (en) 2002-10-21 2006-10-24 Sdgi Holdings, Inc. Systems and techniques for restoring and maintaining intervertebral anatomy
US8147548B2 (en) 2005-03-21 2012-04-03 Kyphon Sarl Interspinous process implant having a thread-shaped wing and method of implantation
US20080021468A1 (en) 2002-10-29 2008-01-24 Zucherman James F Interspinous process implants and methods of use
FR2848414B1 (fr) * 2002-12-17 2005-02-25 Vitatech Implant intersomatique pour vertebres
US7192447B2 (en) 2002-12-19 2007-03-20 Synthes (Usa) Intervertebral implant
BRPI0317820B1 (pt) 2003-02-06 2015-06-30 Synthes Gmbh Implante intervertebral
US7094257B2 (en) * 2003-02-14 2006-08-22 Zimmer Spine, Inc. Expandable intervertebral implant cage
EP1596738A4 (en) 2003-02-25 2010-01-20 Stephen Ritland ADJUSTABLE ROD DEVICE AND CONNECTOR, AND METHOD OF USE
US7819903B2 (en) 2003-03-31 2010-10-26 Depuy Spine, Inc. Spinal fixation plate
WO2004110247A2 (en) 2003-05-22 2004-12-23 Stephen Ritland Intermuscular guide for retractor insertion and method of use
US7226482B2 (en) 2003-09-02 2007-06-05 Synthes (U.S.A.) Multipiece allograft implant
US7837732B2 (en) 2003-11-20 2010-11-23 Warsaw Orthopedic, Inc. Intervertebral body fusion cage with keels and implantation methods
US7691146B2 (en) 2003-11-21 2010-04-06 Kyphon Sarl Method of laterally inserting an artificial vertebral disk replacement implant with curved spacer
US6955691B2 (en) 2003-11-21 2005-10-18 Kyungwon Medical Co., Ltd. Expandable interfusion cage
EP1708651A4 (en) 2004-01-27 2011-11-02 Osteotech Inc STABILIZED BONE PROOF
CN100591305C (zh) * 2004-02-13 2010-02-24 小弗朗茨·科波夫 椎间植入物以及用于腰脊柱融合的外科手术方法
CN2707201Y (zh) * 2004-06-21 2005-07-06 李孔嘉 脊椎重建复位器
US7455639B2 (en) 2004-09-20 2008-11-25 Stephen Ritland Opposing parallel bladed retractor and method of use
EP1809212A1 (en) * 2004-10-08 2007-07-25 Warsaw Orthopedic, Inc. Interior connecting interbody cage insertional tools, methods and devices
US7655046B2 (en) * 2005-01-20 2010-02-02 Warsaw Orthopedic, Inc. Expandable spinal fusion cage and associated instrumentation
US20060217717A1 (en) * 2005-03-24 2006-09-28 Dale Whipple Methods and devices for stabilizing a bone anchor
US7674296B2 (en) 2005-04-21 2010-03-09 Globus Medical, Inc. Expandable vertebral prosthesis
EP1906885B2 (en) 2005-07-19 2019-01-16 Warsaw Orthopedic, Inc. Rod extension for extending fusion construct
EP1988855A2 (en) 2006-02-27 2008-11-12 Synthes GmbH Intervertebral implant with fixation geometry
US7959564B2 (en) 2006-07-08 2011-06-14 Stephen Ritland Pedicle seeker and retractor, and methods of use
US8043377B2 (en) 2006-09-02 2011-10-25 Osprey Biomedical, Inc. Implantable intervertebral fusion device
US8097037B2 (en) * 2006-12-20 2012-01-17 Depuy Spine, Inc. Methods and devices for correcting spinal deformities
US7824427B2 (en) * 2007-01-16 2010-11-02 Perez-Cruet Miquelangelo J Minimally invasive interbody device
CA2677903A1 (en) 2007-02-12 2008-08-21 Osteotech, Inc. Joint revision implant
US8556976B2 (en) 2007-03-01 2013-10-15 The Center For Orthopedic Research And Education, Inc. Spinal interbody spacer device
US8491656B2 (en) * 2007-04-05 2013-07-23 George R. Schoedinger, III Arthrodesis of vertebral bodies
DE102007039899B3 (de) * 2007-08-23 2009-04-09 Siemens Ag Sensor zum Ermöglichen des Nachweises einer Substanz im Körper eines Lebewesens
CA2705684A1 (en) 2007-11-16 2009-05-22 Synthes Usa, Llc Low profile intervertebral implant
US20100145460A1 (en) 2008-11-07 2010-06-10 Mcdonough William P Zero-profile interbody spacer and coupled plate assembly
WO2010107692A1 (en) 2009-03-16 2010-09-23 Synthes Usa, Llc System and method for stabilizing vertebrae in spine surgery through a lateral access channel
WO2010127359A1 (en) * 2009-05-01 2010-11-04 Vg Innovations, Inc. Method and apparatus for spinal interbody fusion
US9668882B2 (en) * 2009-10-02 2017-06-06 Amedica Corporation Biomedical implant inserters and related apparatus, systems, and methods
US9028553B2 (en) 2009-11-05 2015-05-12 DePuy Synthes Products, Inc. Self-pivoting spinal implant and associated instrumentation
US20120022653A1 (en) 2010-07-20 2012-01-26 X-Spine Systems, Inc. Composite orthopedic implant having a low friction material substrate with primary frictional features and secondary frictional features
US9241809B2 (en) 2010-12-21 2016-01-26 DePuy Synthes Products, Inc. Intervertebral implants, systems, and methods of use
WO2012088238A2 (en) 2010-12-21 2012-06-28 Synthes Usa, Llc Intervertebral implants, systems, and methods of use
US9610109B2 (en) * 2011-08-16 2017-04-04 Howmedica Osteonics Corp. Wedge shaped fracture fixation devices and methods for using the same
US9724132B2 (en) 2011-08-31 2017-08-08 DePuy Synthes Products, Inc. Devices and methods for cervical lateral fixation
US10022245B2 (en) 2012-12-17 2018-07-17 DePuy Synthes Products, Inc. Polyaxial articulating instrument
US11311312B2 (en) 2013-03-15 2022-04-26 Medtronic, Inc. Subcutaneous delivery tool
US9198774B2 (en) * 2013-11-21 2015-12-01 Perumala Corporation Intervertebral disk cage and stabilizer
US9867718B2 (en) 2014-10-22 2018-01-16 DePuy Synthes Products, Inc. Intervertebral implants, systems, and methods of use
US9987052B2 (en) 2015-02-24 2018-06-05 X-Spine Systems, Inc. Modular interspinous fixation system with threaded component
CN105496609B (zh) * 2015-12-17 2017-12-01 北京市春立正达医疗器械股份有限公司 一种翻修钛网
US10314718B2 (en) 2016-09-22 2019-06-11 Loubert S. Suddaby Expandable intervertebral fusion implant
US11207192B2 (en) 2017-01-26 2021-12-28 Loubert S. Suddaby Stand-alone expandable interbody spinal fusion device with integrated fixation mechanism
US11701239B2 (en) 2017-01-26 2023-07-18 Loubert S. Suddaby Stand-alone expandable interbody spinal fusion device with integrated fixation mechanism
US10966843B2 (en) 2017-07-18 2021-04-06 DePuy Synthes Products, Inc. Implant inserters and related methods
US11045331B2 (en) 2017-08-14 2021-06-29 DePuy Synthes Products, Inc. Intervertebral implant inserters and related methods
US10470895B2 (en) 2017-08-16 2019-11-12 Loubert S. Suddaby Endoscopically implantable fusion implant for endoscopic spinal surgery
US10596010B2 (en) 2017-09-18 2020-03-24 Loubert S. Suddaby Stand-alone expandable interbody spinal fusion device with locking mechanism
US11219532B2 (en) 2017-09-18 2022-01-11 Loubert S. Suddaby Stand-alone expandable interbody spinal fusion device with locking mechanism
US10792165B2 (en) 2017-10-18 2020-10-06 Loubert S. Suddaby Expandable intervertebral implant for treatment of scoliosis
US11331196B2 (en) 2017-10-18 2022-05-17 Loubert S. Suddaby Expandable intervertebral implant for treatment of scoliosis
WO2020011475A1 (en) * 2018-07-10 2020-01-16 Adler Ortho S.P.A. Device for facilitating the formation of new bone tissue
USD948048S1 (en) 2019-04-26 2022-04-05 Warsaw Orthopedic, Inc. Surgical implant
USD955579S1 (en) 2019-04-26 2022-06-21 Warsaw Orthopedic, Inc. Surgical implant
US10905567B2 (en) 2019-04-26 2021-02-02 Warsaw Orthopedic, Inc. Spinal implant system and method
US10898346B1 (en) 2019-07-19 2021-01-26 Loubert S. Suddaby Expandable intervertebral fusion implant
US11026805B2 (en) 2019-07-30 2021-06-08 Loubert S. Suddaby Expandable intervertebral fusion implant

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1146301A (en) * 1980-06-13 1983-05-17 J. David Kuntz Intervertebral disc prosthesis
US4501269A (en) * 1981-12-11 1985-02-26 Washington State University Research Foundation, Inc. Process for fusing bone joints
US4645453A (en) * 1985-09-19 1987-02-24 Niznick Gerald A Bendable adapter for dental implant
DE3620549A1 (de) * 1986-06-19 1987-12-23 S & G Implants Gmbh Implantat zum fixieren benachbarter wirbelknochen der wirbelsaeule
US4834757A (en) * 1987-01-22 1989-05-30 Brantigan John W Prosthetic implant
US5015247A (en) * 1988-06-13 1991-05-14 Michelson Gary K Threaded spinal implant
US4961740B1 (en) * 1988-10-17 1997-01-14 Surgical Dynamics Inc V-thread fusion cage and method of fusing a bone joint
US5458638A (en) * 1989-07-06 1995-10-17 Spine-Tech, Inc. Non-threaded spinal implant
US4936848A (en) * 1989-09-22 1990-06-26 Bagby George W Implant for vertebrae
CA2093900C (en) * 1993-04-13 1996-12-10 Norman H. K. Kwan Dental implant having cutting means

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6129763A (en) * 1996-09-13 2000-10-10 Chauvin; Jean-Luc Expandable osteosynthesis cage
US6371989B1 (en) 1996-09-13 2002-04-16 Jean-Luc Chauvin Method of providing proper vertebral spacing
US8992621B2 (en) 1996-09-13 2015-03-31 Liliane Attali Expandable osteosynthesis cage
JP2008531134A (ja) * 2005-02-23 2008-08-14 スモール・ボーン・イノベーションズ・インコーポレーテッド 骨インプラント
JP2008534166A (ja) * 2005-04-01 2008-08-28 コロプラスト アクティーゼルスカブ 人工陰茎先端拡張器用アダプター
US9314348B2 (en) 2014-06-04 2016-04-19 Wenzel Spine, Inc. Bilaterally expanding intervertebral body fusion device
US9707095B2 (en) 2014-06-04 2017-07-18 Wenzel Spine, Inc. Bilaterally expanding intervertebral body fusion device
US10098756B2 (en) 2014-06-04 2018-10-16 Wenzel Spine, Inc. Bilaterally expanding intervertebral body fusion device
US10945857B2 (en) 2014-06-04 2021-03-16 Wenzel Spine, Inc. Bilaterally expanding intervertebral body fusion device
US11219531B2 (en) 2019-04-10 2022-01-11 Wenzel Spine, Inc. Rotatable intervertebral spacing implant

Also Published As

Publication number Publication date
FI943640A (fi) 1995-02-07
CA2128932A1 (fr) 1995-02-04
EP0637440B1 (fr) 1997-10-15
FR2708461A1 (fr) 1995-02-10
TW267932B (ja) 1996-01-11
JP2558438B2 (ja) 1996-11-27
US5683463A (en) 1997-11-04
NZ264176A (en) 1996-10-28
FR2708461B1 (fr) 1995-09-29
EP0637440A1 (fr) 1995-02-08
CA2128932C (fr) 1998-08-25
ATE159167T1 (de) 1997-11-15
DE69406216T2 (de) 1998-05-28
DE69406216D1 (de) 1997-11-20
FI943640A0 (fi) 1994-08-05
KR950005279A (ko) 1995-03-20
AU668654B2 (en) 1996-05-09
AU6890094A (en) 1995-03-02

Similar Documents

Publication Publication Date Title
JP2558438B2 (ja) 体内脊柱埋め込み管
US10792164B2 (en) Intersomatic implants
US7608105B2 (en) Methods of inserting conically-shaped fusion cages
KR940005299B1 (ko) 견고하게 고정된 치아교체용 에노살 삽입관(Enossal Implant)
JP4230666B2 (ja) 脊椎骨固定手術用ひずみ調整固定保持器
KR101072743B1 (ko) 추간판 이식체
US5976187A (en) Fusion implant
US5893890A (en) Rotating, locking intervertebral disk stabilizer and applicator
US8435299B2 (en) Expandable osteosynthesis cage
JP2004533272A (ja) 癒合用インプラント装置
JP2004508888A (ja) 骨形成融合装置
JP2003501142A5 (ja)
JP2004512083A5 (ja)
EP0750482A1 (en) Middle expanded, removable intervertebral disk stabilizer and method of lumbar intervertebral disk stabilization
JP2004514533A (ja) 骨形成融合装置
JP2004512083A (ja) 癒合用インプラント装置
JPH10234755A (ja) 椎骨間関節固定用人工的補綴物
KR100395253B1 (ko) 척추 융합 이식물
CN110584844A (zh) 可撑开式椎间融合器
EP1278487B1 (en) Rotating, locking intervertebral disk stabilizer
CA2599684A1 (en) Prosthesis for correction of flatfoot deformity