JP2000512162A - 椎間インプラント - Google Patents
椎間インプラントInfo
- Publication number
- JP2000512162A JP2000512162A JP09516164A JP51616497A JP2000512162A JP 2000512162 A JP2000512162 A JP 2000512162A JP 09516164 A JP09516164 A JP 09516164A JP 51616497 A JP51616497 A JP 51616497A JP 2000512162 A JP2000512162 A JP 2000512162A
- Authority
- JP
- Japan
- Prior art keywords
- perforations
- implant
- implant according
- base surface
- total area
- 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.)
- Pending
Links
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
- A61F2/4455—Joints 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
-
- 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
- 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 or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor
- A61F2/4603—Special 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
- A61F2/4611—Special 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
-
- 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
- A61F2/28—Bones
- A61F2002/2835—Bone graft implants for filling a bony defect or an endoprosthesis cavity, e.g. by synthetic material or biological material
-
- 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
- A61F2002/30108—Shapes
- A61F2002/3011—Cross-sections or two-dimensional shapes
- A61F2002/30112—Rounded shapes, e.g. with rounded corners
-
- 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
- A61F2002/30108—Shapes
- A61F2002/3011—Cross-sections or two-dimensional shapes
- A61F2002/30138—Convex polygonal shapes
- A61F2002/30158—Convex polygonal shapes trapezoidal
-
- 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
- A61F2002/30108—Shapes
- A61F2002/30199—Three-dimensional shapes
- A61F2002/30261—Three-dimensional shapes parallelepipedal
-
- 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
- A61F2002/30108—Shapes
- A61F2002/30199—Three-dimensional shapes
- A61F2002/30261—Three-dimensional shapes parallelepipedal
- A61F2002/30266—Three-dimensional shapes parallelepipedal wedge-shaped parallelepipeds
-
- 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
- A61F2002/30535—Special structural features of bone or joint prostheses not otherwise provided for
- A61F2002/30593—Special structural features of bone or joint prostheses not otherwise provided for hollow
-
- 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
- A61F2002/30772—Apertures or holes, e.g. of circular cross section
- A61F2002/30777—Oblong apertures
-
- 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
- A61F2002/30772—Apertures or holes, e.g. of circular cross section
- A61F2002/30784—Plurality of holes
- A61F2002/30785—Plurality of holes parallel
-
- 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
- A61F2002/30795—Blind bores, e.g. of circular cross-section
- A61F2002/308—Blind bores, e.g. of circular cross-section oblong
-
- 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
- A61F2002/3082—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
- A61F2/30771—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth applied in original prostheses, e.g. holes or grooves
- A61F2002/30841—Sharp anchoring protrusions for impaction into the bone, e.g. sharp pins, spikes
- A61F2002/30843—Pyramidally-shaped
-
- 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
- A61F2002/30878—Special 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
- A61F2002/30891—Plurality of protrusions
- A61F2002/30892—Plurality of protrusions parallel
-
- 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
- A61F2230/0002—Two-dimensional shapes, e.g. cross-sections
- A61F2230/0004—Rounded shapes, e.g. with rounded corners
-
- 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
- A61F2230/0002—Two-dimensional shapes, e.g. cross-sections
- A61F2230/0017—Angular shapes
- A61F2230/0026—Angular shapes trapezoidal
-
- 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
- A61F2230/0082—Three-dimensional shapes parallelepipedal
-
- 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
- A61F2310/00023—Titanium or titanium-based alloys, e.g. Ti-Ni 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
Abstract
Description
Claims (1)
- 【特許請求の範囲】 1. 被覆面及びベース面(11、12)、2つの側面(13、14)、正面 壁(16)及び後部壁(15)を備えて空洞(20)を取囲むフレーム状のケー ジ(1)を有する椎間インプラントにおいて、 A)被覆面(11)及び/又はベース面(12)が複数個の穿孔(24)を 備えており、穿孔の総面積が被覆面(11)及び/又はベース面(12)の総面 積の40%ないし55%であり、 B)個々の穿孔(24)の個別面積が被覆面(11)及び/又はベース面( 12)の総面積の最高20%であり、 C)空洞(20)の容積VHとケージ(1)の総容積の比が0.11ないし 0.42の範囲内であり、 D)ケージ(1)がおおむねくさび形に、即ち被覆面(11)及びベース面 (12)が正面壁(16)の方へ拡がるように形成されている ことを特徴とするインプラント。 2. 被覆面(11)及びベース面(12)が三次元構造(18)を備えてい ることを特徴とする請求項1に記載のインプラント。 3. 被覆面(11)及び/又はベース面(12)の縁端区域に設けた穿孔( 24)が、被覆面(11)及び/又はベース面(12)の中央区域に設けた穿孔 より平均して小さいことを特徴とする請求項1又は2に記載のインプラント。 4. 被覆面(11)及びベース面(12)が外側へ湾曲するように形成され ていることを特徴とする請求項1ないし3のいずれか1つに記載のインプラント 。 5. 穿孔(24)の直径が最高9.0mm、好ましくは最高5.0mmであ ることを特徴とする請求項1ないし4のいずれか1つに記載のインプラント。 6. 側面(13、14)が穿孔(19)を備えており、穿孔の総面積が側面 (13、14)の総面積の最高40%、好ましくは最高30%であることを特徴 とする請求項1ないし5のいずれか1つに記載のインプラント。 7. 側面(13、14)が穿孔(19)を備えており、穿孔の総面積が側面 (13、14)の総面積の少なくとも15%、好ましくは少なくとも20%であ ることを特徴とする請求項1ないし6のいずれか1つに記載のインプラント。 8. 三次元構造(18)が構造化した水酸燐灰石被覆であることを特徴とす る請求項1ないし7のいずれか1つに記載のインプラント。 9. 三次元構造(18)がチタン、チタン合金又はその他の生体適合性材料 からなる構造化した被覆であることを特徴とする請求項1ないし7のいずれか1 つに記載のインプラント。 10. 三次元構造(18)が好ましくは規則的配列の歯からなることを特徴 とする請求項1ないしい7のいずれか1つに記載のインプラント。 11. 三次元構造(18)が0.5−2.0mm、好ましくは1.0−1. 5mmの高さを有することを特徴とする請求項1ないし10のいずれか1つに記 載のインプラント。 12. 正面壁(16)がケージ(1)を操作することができる器械の支承の ための手段(17;27)を有することを特徴とする請求項1ないし11のいず れか1つに記載のインプラント。 13. 側面(13、14)がケージ(1)を操作することができる器械の支 承のための手段(28)を有することを特徴とする請求項1ないし12のいずれ か1つに記載のインプラント。 14. 被覆面(11)及びベース面(12)が構造(18)のない自由縁( 32)を有することを特徴とする請求項1ないし13のいずれか1つに記載のイ ンプラント。 15. 穿孔(19)が長穴状の切取り部であることを特徴とする請求項1な いし14のいずれか1つに記載のインプラント。 16. 正面壁(16)が好ましくは縦方向切取り部の形の穿孔を備えている ことを特徴とする請求項1ないし15のいずれか1つに記載のインプラント。 17. 全ケージ(1)が水酸燐灰石又はその他の生物学的活性材料で被覆さ れていることを特徴とする請求項1ないし16のいずれか1つに記載のインプラ ント。 18. 個々の穿孔(24)の個別面積が被覆面(11)及び/又はベース面 (12)の総面積の5−15%、好ましくは8−13%であることを特徴とする 請求項1ないし17のいずれか1つに記載のインプラント。 19. 空洞(20)の容積VHとケージ(1)の総容積VKの比VH/VK が0.17ないし0.33、好ましくは0.21ないし0.28の範囲内である ことを特徴とする請求項1ないし18のいずれか1つに記載のインプラント。 20. 被覆面(11)及び/又はベース面(12)の穿孔(24)の総面積 が被覆面(11)及び/又はベース面(12)の総面積の43ないし51%、好 ましくは45−49%であることを特徴とする請求項1ないし19のいずれか1 つに記載のインプラント。 21. 2個の椎間インプラントが、欠如する側面(14)で互いに一体に結 合されていることを特徴とする請求項1ないし20のいずれか1つに記載の2個 の椎間インプラントを有する結合インプラント。 22. 結合された正面壁(16)が長穴状の切取り部を有することを特徴と する請求項21に記載の結合インプラント。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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CH9500245 | 1995-10-20 | ||
WO95/00245 | 1995-10-20 | ||
PCT/CH1996/000346 WO1997015248A1 (de) | 1995-10-20 | 1996-10-03 | Zwischenwirbel-implantat |
Publications (1)
Publication Number | Publication Date |
---|---|
JP2000512162A true JP2000512162A (ja) | 2000-09-19 |
Family
ID=4549983
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP09516164A Pending JP2000512162A (ja) | 1995-10-20 | 1996-10-03 | 椎間インプラント |
Country Status (9)
Country | Link |
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US (1) | US5888227A (ja) |
EP (1) | EP0857043B1 (ja) |
JP (1) | JP2000512162A (ja) |
KR (1) | KR100415064B1 (ja) |
AT (1) | ATE203886T1 (ja) |
CA (1) | CA2229822C (ja) |
DE (1) | DE59607458D1 (ja) |
TW (1) | TW360530B (ja) |
WO (1) | WO1997015248A1 (ja) |
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US5782919A (en) * | 1995-03-27 | 1998-07-21 | Sdgi Holdings, Inc. | Interbody fusion device and method for restoration of normal spinal anatomy |
US5749916A (en) * | 1997-01-21 | 1998-05-12 | Spinal Innovations | Fusion implant |
-
1996
- 1996-10-03 US US09/011,011 patent/US5888227A/en not_active Expired - Lifetime
- 1996-10-03 WO PCT/CH1996/000346 patent/WO1997015248A1/de active IP Right Grant
- 1996-10-03 CA CA002229822A patent/CA2229822C/en not_active Expired - Lifetime
- 1996-10-03 AT AT96931714T patent/ATE203886T1/de not_active IP Right Cessation
- 1996-10-03 EP EP96931714A patent/EP0857043B1/de not_active Expired - Lifetime
- 1996-10-03 DE DE59607458T patent/DE59607458D1/de not_active Expired - Lifetime
- 1996-10-03 KR KR10-1998-0702841A patent/KR100415064B1/ko not_active IP Right Cessation
- 1996-10-03 JP JP09516164A patent/JP2000512162A/ja active Pending
- 1996-10-04 TW TW085112134A patent/TW360530B/zh not_active IP Right Cessation
Cited By (13)
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JP4654125B2 (ja) * | 2002-10-29 | 2011-03-16 | スパインコア,インコーポレイテッド | 人工椎間板を植え込む際に使用するための器具類、方法、および機能 |
JP2009279413A (ja) * | 2002-10-29 | 2009-12-03 | Spinecore Inc | 人工椎間板を植え込む際に使用するための器具類、方法、および機能 |
JP2006504501A (ja) * | 2002-10-29 | 2006-02-09 | スパインコア,インコーポレイテッド | 人工椎間板を植え込む際に使用するための器具類、方法、および機能 |
JP2006510446A (ja) * | 2002-12-19 | 2006-03-30 | ローダ,ウィリアム,エス. | 椎間インプラント |
US9289309B2 (en) | 2002-12-19 | 2016-03-22 | DePuy Synthes Products, Inc. | Intervertebral implant |
US9554919B2 (en) | 2002-12-19 | 2017-01-31 | DePuy Synthes Products, Inc. | Intervertebral implant |
JP2007501027A (ja) * | 2003-08-01 | 2007-01-25 | アボット・ラボラトリーズ | 脊椎インプラント |
JP4699997B2 (ja) * | 2003-08-01 | 2011-06-15 | アボット・ラボラトリーズ | 脊椎インプラント |
US8292959B2 (en) | 2003-08-01 | 2012-10-23 | Zimmer Spine, Inc. | Spinal implant |
JP2010115477A (ja) * | 2008-11-14 | 2010-05-27 | Paonan Biotech Co Ltd | 椎間関節の安定手段 |
CN102292054A (zh) * | 2008-12-17 | 2011-12-21 | 斯恩蒂斯有限公司 | 全金属阻尼椎间植入件 |
JP2012512009A (ja) * | 2008-12-17 | 2012-05-31 | ジンテス ゲゼルシャフト ミット ベシュレンクテル ハフツング | 総金属製緩衝椎骨間インプラント |
JP2010279635A (ja) * | 2009-06-08 | 2010-12-16 | Nakashima Medical Co Ltd | 椎間ケージ |
Also Published As
Publication number | Publication date |
---|---|
WO1997015248A1 (de) | 1997-05-01 |
DE59607458D1 (de) | 2001-09-13 |
KR100415064B1 (ko) | 2005-04-06 |
EP0857043A1 (de) | 1998-08-12 |
EP0857043B1 (de) | 2001-08-08 |
CA2229822C (en) | 2004-03-09 |
US5888227A (en) | 1999-03-30 |
KR19990064337A (ko) | 1999-07-26 |
ATE203886T1 (de) | 2001-08-15 |
CA2229822A1 (en) | 1997-05-01 |
TW360530B (en) | 1999-06-11 |
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