JP2769926B2 - 特に椎間板のためのスペース維持具 - Google Patents

特に椎間板のためのスペース維持具

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Publication number
JP2769926B2
JP2769926B2 JP7503785A JP50378595A JP2769926B2 JP 2769926 B2 JP2769926 B2 JP 2769926B2 JP 7503785 A JP7503785 A JP 7503785A JP 50378595 A JP50378595 A JP 50378595A JP 2769926 B2 JP2769926 B2 JP 2769926B2
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JPH07508679A (ja
Inventor
ビーダーマン，ルッツ
ハルムス，ユルゲン
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ビーダーマン，ルッツ
ハルムス，ユルゲン
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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
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L27/00—Materials for grafts or prostheses or for coating grafts or prostheses
    • A61L27/02—Inorganic materials
    • A61L27/04—Metals or alloys
    • A61L27/06—Titanium or titanium alloys
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L31/00—Materials for other surgical articles, e.g. stents, stent-grafts, shunts, surgical drapes, guide wires, materials for adhesion prevention, occluding devices, surgical gloves, tissue fixation devices
    • A61L31/02—Inorganic materials
    • A61L31/022—Metals or alloys
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02—Prostheses implantable into the body
    • A61F2/30—Joints
    • A61F2002/30001—Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
    • A61F2002/30003—Material related properties of the prosthesis or of a coating on the prosthesis
    • A61F2002/3006—Properties of materials and coating materials
    • A61F2002/30062—(bio)absorbable, biodegradable, bioerodable, (bio)resorbable, resorptive
    • 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
    • A61F2002/30113—Rounded shapes, e.g. with rounded corners circular
    • 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
    • A61F2002/30125—Rounded shapes, e.g. with rounded corners elliptical or oval
    • 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
    • A61F2002/30133—Rounded shapes, e.g. with rounded corners kidney-shaped or bean-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
    • A61F2002/30001—Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
    • A61F2002/30108—Shapes
    • A61F2002/30199—Three-dimensional shapes
    • A61F2002/30224—Three-dimensional shapes cylindrical
    • A61F2002/3023—Three-dimensional shapes cylindrical wedge-shaped cylinders
    • 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
    • A61F2002/30224—Three-dimensional shapes cylindrical
    • A61F2002/30235—Three-dimensional shapes cylindrical tubular, e.g. sleeves
    • 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
    • A61F2/30907—Nets or sleeves applied to surface of prostheses or in cement
    • A61F2002/30909—Nets
    • A61F2002/30912—Nets made of expanded metal, e.g. diamond mesh or metal nets having lozenge-shaped 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
    • A61F2210/00—Particular material properties of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
    • A61F2210/0004—Particular material properties of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof bioabsorbable
    • 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
    • A61F2230/0006—Rounded shapes, e.g. with rounded corners circular
    • 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
    • A61F2230/0008—Rounded shapes, e.g. with rounded corners elliptical or oval
    • 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
    • A61F2230/0015—Kidney-shaped, e.g. bean-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
    • 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
    • A61F2230/0069—Three-dimensional shapes cylindrical
    • 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
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L2430/00—Materials or treatment for tissue regeneration
    • A61L2430/38—Materials or treatment for tissue regeneration for reconstruction of the spine, vertebrae or intervertebral discs

Landscapes

  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Public Health (AREA)
  • General Health & Medical Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Engineering & Computer Science (AREA)
  • Veterinary Medicine (AREA)
  • Biomedical Technology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Neurology (AREA)
  • Inorganic Chemistry (AREA)
  • Orthopedic Medicine & Surgery (AREA)
  • Transplantation (AREA)
  • Vascular Medicine (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Epidemiology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Dermatology (AREA)
  • Medicinal Chemistry (AREA)
  • Cardiology (AREA)
  • Surgery (AREA)
  • Prostheses (AREA)
  • Holding Or Fastening Of Disk On Rotational Shaft (AREA)

Description

【発明の詳細な説明】 この発明は、請求項１の前提部分に従ったスペース維
持具に関する。
請求項１の前提部分の特徴を有するスペース維持具
は、EP B1 ０ 268 115から周知である。そこに説明
されたスペース維持具は、特に脊椎を代用するために意
図される。ケージの２つの縁は互いに平行である。
この発明の目的は、特に椎間板の代用として使用され
得る態様で上述のようなスペース維持具を形成すること
である。
この目的は、請求項１に規定されたスペース維持具に
よって達成される。
この発明のさらなる発展は、従属請求項において規定
される。
この発明のさらなる特徴および利点は、図面を参照し
て実施例の説明から明らかになるであろう。
図１は、スペース維持具の側面具であり、 図２は、切断線および調節されたスペース維持具の輪
郭を備えたスペース維持具の側面図であり、 図３は、切断線および修正され調節された輪郭を備え
たスペース維持具を示す図であり、さらに、 図４ないし図６は、脊椎間に介挿された様々な形状の
スペース維持具を示す図である。
スペース維持具はケージ形状の壁１を有する。ケージ
によって規定される中空スペースの断面は、好ましくは
長円形である。修正された実施例に従えばこの断面は腎
臓形またはほぼ円筒形である。図面に示された態様で
は、壁１は、スペース維持具の軸２に対して平行に延び
る長い対角線を有するダイヤモンド形状の穴３を有す
る。図面に示されているように、一方側のダイヤモンド
４は最大の高さを有し、反対側のダイヤモンド５は最小
の高さを有する。中間にあるダイヤモンドは、高さが、
最も高いダイヤモンドから最も低いダイヤモンドに着実
に低減するように形成される。ダイヤモンドの端部は上
部および下部の縁で上方にかつ下方にポイント６として
突き出る。図面に示されているように、各ポイント６
は、軸２に対して実質的に平行に延びる出張り部分７を
含む。出張り部分は、実質的に均一な長さである。ダイ
ヤモンドの高さが異なるためにスペース維持具は、ポイ
ント形状部分を規定する２つの縁を有しており、その２
つの縁は、スペース維持具のセクションがウェッジ形状
となるような角度を含む。ウェッジ角度は好ましくは、
８゜〜12゜の間の範囲にあり、特に９゜〜11゜の範囲に
あり、特定の好ましい実施例に従えば約10゜である。
軸方向にのびる部分７の長さは、図２に示されている
ように、最大の高さを有するダイヤモンド４の領域にお
いて部分７がライン10および11に沿って切取られ、かつ
最大の高さのダイヤモンド４と最小の高さのダイヤモン
ド５との間にあるそれらのダイヤモンドの部分が部分的
に切離されると平行な縁ゆえに矩形セクションを有する
スペース維持具８が得られるように、選択される。部分
７の長さをそのようにすると、かつ最小の高さを有する
ダイヤモンド５の部分が切取られ、さらに最大の高さの
ダイヤモンド４と最小の高さのダイヤモンド５との間に
あるダイヤモンドの部分が部分的に切取られると、原形
のウェッジ角度よりも大きい角度、好ましくは14゜〜16
゜の間の範囲で、特に約15゜の角度を有する、スペース
維持具９が形成され得る。
特に、チタンシート材料またはチタンチューブ、もし
くは身体に馴染む樹脂材料がスペース維持具の材料とし
て選択される。
上述のスペース維持具の所望の形状８または９は、点
線の切断線10、11または12、13それぞれに沿ってポイン
トを切離すことによって操作者により得られる。こうし
て、図４および図６に従って、または原形としては図５
に従って、調節されたスペース維持具は脊椎間に介挿さ
れ得る。
スペース維持具の前述の設計により、特に椎間板に使
用のためのスペース維持具の様々なウェッジ形状への簡
単な調節が可能になるだけではなく、操作者は単一の型
のスペース維持具だけを備えておけばよいので保管はか
なり簡単になる。
───────────────────────────────────────────────────── フロントページの続き (72)発明者 ハルムス，ユルゲン ドイツ連邦共和国、デー・76133 カー ルスルーエ、マクシミリアンシュトラー セ、５ (56)参考文献 特開 昭63−177851（ＪＰ，Ａ) (58)調査した分野(Int.Cl.6，ＤＢ名) A61F 2/44

Claims (6)

    (57)【特許請求の範囲】
  1. 【請求項１】特に椎間板のためのスペース維持具であっ
    て、ケージ形状の壁（１）を含み、この壁に複数の穴
    （４、５）を有しさらに壁の両縁に複数のポイント
    （６）を有し、 ポイント（６）は切離し可能な部分（７）を有すること
    を特徴とする、特に椎間板のためのスペース維持具。
  2. 【請求項２】スペース維持具がウェッジ形状のセクショ
    ンを有する態様で２つの縁が相互に傾斜していることを
    特徴とする、請求項１に記載の、特に椎間板のためのス
    ペース維持具。
  3. 【請求項３】壁（１）の穴は、実質的に中空本体の軸方
    向に延びる四角形またはダイヤモンド（５）として形成
    されることを特徴とする、請求項１または２に記載の、
    特に椎間板のためのスペース維持具。
  4. 【請求項４】前記ウェッジ形状を形成する２つの縁のウ
    ェッジ角度は８゜ないし12゜の間の範囲にあることを特
    徴とする、請求項２に記載の、特に椎間板のためのスペ
    ース維持具。
  5. 【請求項５】前記ウェッジ角度は９゜ないし11゜の間に
    あることを特徴とする、請求項４に記載の、特に椎間板
    のためのスペース維持具。
  6. 【請求項６】ケージによって規定された中空スペースの
    断面図は実質的に長円形であることを特徴とする、請求
    項１ないし５のいずれかに記載の、特に椎間板のための
    スペース維持具。
JP7503785A 1993-07-09 1994-06-21 特に椎間板のためのスペース維持具 Expired - Lifetime JP2769926B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4323034A DE4323034C1 (de) 1993-07-09 1993-07-09 Platzhalter, insbesondere für eine Bandscheibe
DE4323034.2 1993-07-09

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JPH07508679A JPH07508679A (ja) 1995-09-28
JP2769926B2 true JP2769926B2 (ja) 1998-06-25

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US (1) US5609637A (ja)
EP (1) EP0659065B1 (ja)
JP (1) JP2769926B2 (ja)
KR (2) KR950703308A (ja)
AT (1) ATE184472T1 (ja)
CA (1) CA2143431C (ja)
DE (2) DE4323034C1 (ja)
ES (1) ES2139078T3 (ja)
WO (1) WO1995001763A1 (ja)

Cited By (4)

* 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
US8771357B2 (en) 2004-05-04 2014-07-08 Biedermann Technologies Gmbh & Co. Kg Flexible space holder
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 (128)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5609635A (en) * 1988-06-28 1997-03-11 Michelson; Gary K. Lordotic interbody spinal fusion implants
US6066175A (en) * 1993-02-16 2000-05-23 Henderson; Fraser C. Fusion stabilization chamber
FR2733413B1 (fr) * 1995-04-27 1997-10-17 Jbs Sa Dispositif de cage cervicale destine a la realisation d'une arthrodese intersomatique
DE19519101B4 (de) * 1995-05-24 2009-04-23 Harms, Jürgen, Prof. Dr. Höhenverstellbarer Wirbelkörperersatz
US6190402B1 (en) * 1996-06-21 2001-02-20 Musc Foundation For Research Development Insitu formable and self-forming intravascular flow modifier (IFM) and IFM assembly for deployment of same
DE29616778U1 (de) * 1996-09-26 1998-01-29 Howmedica GmbH, 24232 Schönkirchen Wirbelkörperplatzhalter
US20050165483A1 (en) * 2004-01-27 2005-07-28 Ray Eddie F.Iii Bone grafts
IL128261A0 (en) 1999-01-27 1999-11-30 Disc O Tech Medical Tech Ltd Expandable element
US5861041A (en) * 1997-04-07 1999-01-19 Arthit Sitiso Intervertebral disk prosthesis and method of making the same
US5897556A (en) * 1997-06-02 1999-04-27 Sdgi Holdings, Inc. Device for supporting weak bony structures
US6149651A (en) * 1997-06-02 2000-11-21 Sdgi Holdings, Inc. Device for supporting weak bony structures
US6511509B1 (en) 1997-10-20 2003-01-28 Lifenet Textured bone allograft, method of making and using same
DE29720022U1 (de) * 1997-11-12 1998-01-15 SCHÄFER micomed GmbH, 73035 Göppingen Zwischenwirbelimplantat
US6159215A (en) * 1997-12-19 2000-12-12 Depuy Acromed, Inc. Insertion instruments and method for delivering a vertebral body spacer
US6086613A (en) 1997-12-23 2000-07-11 Depuy Acromed, Inc. Spacer assembly for use in spinal surgeries
US6482233B1 (en) * 1998-01-29 2002-11-19 Synthes(U.S.A.) Prosthetic interbody spacer
USRE38614E1 (en) * 1998-01-30 2004-10-05 Synthes (U.S.A.) Intervertebral allograft spacer
US6143033A (en) * 1998-01-30 2000-11-07 Synthes (Usa) Allogenic intervertebral implant
US6986788B2 (en) * 1998-01-30 2006-01-17 Synthes (U.S.A.) Intervertebral allograft spacer
GB2338652A (en) * 1998-06-23 1999-12-29 Biomet Merck Ltd Vertebral body replacement
US6228085B1 (en) 1998-07-14 2001-05-08 Theken Surgical Llc Bone fixation system
DE69916280T2 (de) 1998-08-03 2005-05-25 Synthes Ag Chur, Chur Zwischenwirbel-allotransplantat-distanzstück
US20060241763A1 (en) * 1998-08-03 2006-10-26 Synthes (Usa) Multipiece bone implant
US7621950B1 (en) 1999-01-27 2009-11-24 Kyphon Sarl Expandable intervertebral spacer
US6929662B1 (en) 1999-02-04 2005-08-16 Synthes (Usa) End member for a bone fusion implant
US6520996B1 (en) 1999-06-04 2003-02-18 Depuy Acromed, Incorporated Orthopedic implant
NL1012719C1 (nl) * 1999-07-28 2001-01-30 Veldhuizen Dr Ag Wervelkolom prothese.
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
CN1196452C (zh) * 1999-10-20 2005-04-13 Sdgi控股股份有限公司 整形外科的植入物
US6206924B1 (en) * 1999-10-20 2001-03-27 Interpore Cross Internat Three-dimensional geometric bio-compatible porous engineered structure for use as a bone mass replacement or fusion augmentation device
US6830570B1 (en) 1999-10-21 2004-12-14 Sdgi Holdings, Inc. Devices and techniques for a posterior lateral disc space approach
US6764491B2 (en) 1999-10-21 2004-07-20 Sdgi Holdings, Inc. Devices and techniques for a posterior lateral disc space approach
WO2001028469A2 (en) * 1999-10-21 2001-04-26 Sdgi Holdings, Inc. Devices and techniques for a posterior lateral disc space approach
US6592624B1 (en) 1999-11-24 2003-07-15 Depuy Acromed, Inc. Prosthetic implant element
DE19957339C2 (de) * 1999-11-29 2002-03-28 Franz Copf Cageelement, sowie Satz von Cageelementen
US6648915B2 (en) * 1999-12-23 2003-11-18 John A. Sazy Intervertebral cage and method of use
AR027685A1 (es) 2000-03-22 2003-04-09 Synthes Ag Forma de tejido y metodo para realizarlo
US6579318B2 (en) * 2000-06-12 2003-06-17 Ortho Development Corporation Intervertebral spacer
USD501555S1 (en) 2000-06-12 2005-02-01 Ortho Development Corporation Implant
US7018416B2 (en) * 2000-07-06 2006-03-28 Zimmer Spine, Inc. Bone implants and methods
US7048542B2 (en) * 2000-08-16 2006-05-23 Medartis Ag Dental splint
US6520993B2 (en) 2000-12-29 2003-02-18 Depuy Acromed, Inc. Spinal implant
US20030078660A1 (en) * 2001-02-15 2003-04-24 Dale Clifford Orthopedic implant and method for orthopedic treatment
WO2002098332A1 (en) * 2001-02-16 2002-12-12 Sulzer Spine-Tech Inc. Bone implants and methods
EP1638484A4 (en) * 2001-07-25 2011-08-24 Kyphon Sarl DEFORMABLE TOOLS AND IMPLANTS
US20030055503A1 (en) * 2001-09-19 2003-03-20 O'neil Michael J. Alignment verification device and method of use
DE20117773U1 (de) * 2001-10-31 2003-03-20 Koenigsee Implantate & Instr Implantat zur Stabilisierung der Vertebrae cervicales
US7527649B1 (en) 2002-02-15 2009-05-05 Nuvasive, Inc. Intervertebral implant and related methods
AR038680A1 (es) * 2002-02-19 2005-01-26 Synthes Ag Implante intervertebral
US6991653B2 (en) * 2002-03-21 2006-01-31 Sdgi Holdings, Inc. Vertebral body and disc space replacement devices
US6758862B2 (en) 2002-03-21 2004-07-06 Sdgi Holdings, Inc. Vertebral body and disc space replacement devices
US7309358B2 (en) 2002-03-21 2007-12-18 Warsaw Orthopedic, Inc. Vertebral body and disc space replacement devices
US6783547B2 (en) 2002-04-05 2004-08-31 Howmedica Corp. Apparatus for fusing adjacent bone structures
KR100984627B1 (ko) * 2002-08-15 2010-09-30 신세스 게엠바하 추간 원판 임플란트
CA2495373C (en) 2002-08-15 2012-07-24 David Gerber Controlled artificial intervertebral disc implant
DE10238306B4 (de) 2002-08-21 2005-03-24 Biedermann Motech Gmbh Verfahren zum Herstellen eines rohrförmigen Platzhalters und Platzhalter
DE10242329B4 (de) 2002-09-12 2005-03-17 Biedermann Motech Gmbh Bandscheibenprothese
DE10242331B4 (de) * 2002-09-12 2005-10-20 Biedermann Motech Gmbh Platzhalter für Wirbelkörper oder Bandscheiben
EP2335656B1 (de) 2003-02-06 2012-09-05 Synthes GmbH Zwischenwirbelimplantat
WO2004080357A1 (es) 2003-03-14 2004-09-23 Ferreyro Irigoyen Roque Humber Dispositivo hidraulico de inyección de cemento oseo en la vertebroplastiá percutánea
US7918876B2 (en) * 2003-03-24 2011-04-05 Theken Spine, Llc Spinal implant adjustment device
US7819903B2 (en) 2003-03-31 2010-10-26 Depuy Spine, Inc. Spinal fixation plate
US8066713B2 (en) 2003-03-31 2011-11-29 Depuy Spine, Inc. Remotely-activated vertebroplasty injection device
US8415407B2 (en) * 2004-03-21 2013-04-09 Depuy Spine, Inc. Methods, materials, and apparatus for treating bone and other tissue
US7141068B2 (en) * 2003-07-01 2006-11-28 Thomas Ross Spinal spacer assembly
DE10337088A1 (de) 2003-08-12 2005-03-10 Biedermann Motech Gmbh Platzhalter für Wirbelkörper oder Bandscheiben
US7226482B2 (en) * 2003-09-02 2007-06-05 Synthes (U.S.A.) Multipiece allograft implant
WO2005030034A2 (en) 2003-09-26 2005-04-07 Depuy Spine, Inc. Device for delivering viscous material
US8372152B2 (en) * 2003-09-30 2013-02-12 X-Spine Systems, Inc. Spinal fusion system utilizing an implant plate having at least one integral lock and ratchet lock
US8821553B2 (en) 2003-09-30 2014-09-02 X-Spine Systems, Inc. Spinal fusion system utilizing an implant plate having at least one integral lock
US9078706B2 (en) 2003-09-30 2015-07-14 X-Spine Systems, Inc. Intervertebral fusion device utilizing multiple mobile uniaxial and bidirectional screw interface plates
US7641701B2 (en) * 2003-09-30 2010-01-05 X-Spine Systems, Inc. Spinal fusion system and method for fusing spinal bones
US8062367B2 (en) 2003-09-30 2011-11-22 X-Spine Systems, Inc. Screw locking mechanism and method
EP1673048B1 (en) * 2003-10-17 2013-06-19 Biedermann Technologies GmbH & Co. KG Flexible implant
US7544208B1 (en) 2004-05-03 2009-06-09 Theken Spine, Llc Adjustable corpectomy apparatus
EP1949872B1 (de) 2004-05-04 2016-12-28 Biedermann Technologies GmbH & Co. KG Flexibler Platzhalter
EP1786343B1 (en) 2004-07-30 2012-05-02 Depuy Spine, Inc. Apparatus for treating bone and other tissue
US7317331B2 (en) * 2004-11-08 2008-01-08 Tabula, Inc. Reconfigurable IC that has sections running at different reconfiguration rates
US7875080B2 (en) * 2004-11-10 2011-01-25 Warsaw Orthopedic, Inc. Intervertebral spacer
US8172855B2 (en) 2004-11-24 2012-05-08 Abdou M S Devices and methods for inter-vertebral orthopedic device placement
US7674296B2 (en) 2005-04-21 2010-03-09 Globus Medical, Inc. Expandable vertebral prosthesis
US9381024B2 (en) 2005-07-31 2016-07-05 DePuy Synthes Products, Inc. Marked tools
US9918767B2 (en) 2005-08-01 2018-03-20 DePuy Synthes Products, Inc. Temperature control system
ES2322072T3 (es) 2005-10-26 2009-06-16 Biedermann Motech Gmbh Implante con articulacion giratoria de una sola pieza.
US8360629B2 (en) 2005-11-22 2013-01-29 Depuy Spine, Inc. Mixing apparatus having central and planetary mixing elements
US20070161962A1 (en) * 2006-01-09 2007-07-12 Edie Jason A Device and method for moving fill material to an implant
US7935148B2 (en) * 2006-01-09 2011-05-03 Warsaw Orthopedic, Inc. Adjustable insertion device for a vertebral implant
EP1988855A2 (en) 2006-02-27 2008-11-12 Synthes GmbH Intervertebral implant with fixation geometry
US8366776B2 (en) * 2006-04-13 2013-02-05 Warsaw Orthopedic, Inc. Vertebral implants having predetermined angular correction and method of use
US7967847B2 (en) * 2006-07-24 2011-06-28 Warsaw Orthopedic, Inc. Spinal stabilization and reconstruction with fusion rods
US8043377B2 (en) * 2006-09-02 2011-10-25 Osprey Biomedical, Inc. Implantable intervertebral fusion device
EP2068898A4 (en) 2006-09-14 2011-07-20 Depuy Spine Inc BONE CEMENT AND APPLICATION METHOD THEREFOR
US20080161920A1 (en) * 2006-10-03 2008-07-03 Warsaw Orthopedic, Inc. Dynamizing Interbody Implant and Methods for Stabilizing Vertebral Members
US8092533B2 (en) * 2006-10-03 2012-01-10 Warsaw Orthopedic, Inc. Dynamic devices and methods for stabilizing vertebral members
ES2587573T3 (es) 2006-10-19 2016-10-25 Depuy Spine, Inc. Sistema de liberación de fluidos y método relacionado
WO2008139456A2 (en) * 2007-05-10 2008-11-20 Disc-O-Tech Medical Technologies, Ltd Expandable intramedullary nail for small bone fixation
US20090012620A1 (en) * 2007-07-06 2009-01-08 Jim Youssef Implantable Cervical Fusion Device
CA2694558C (en) * 2007-07-25 2014-06-03 Depuy Spine, Inc. Expandable bone filler materials and methods of using same
JP2011502708A (ja) * 2007-11-16 2011-01-27 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 低輪郭の椎間インプラント
KR20110081351A (ko) 2008-11-07 2011-07-13 신세스 게엠바하 척추 체간 스페이서 및 결합된 플레이트 조립체
US8216316B2 (en) * 2008-12-17 2012-07-10 X-Spine Systems, Inc. Prosthetic implant with biplanar angulation and compound angles
US8112869B2 (en) * 2008-12-18 2012-02-14 Depuy Products, Inc. Avascular necrosis cage manufacturing process
PL2358309T3 (pl) 2008-12-18 2016-04-29 4 Web Inc Implant o strukturze kratownicowej
US8764806B2 (en) 2009-12-07 2014-07-01 Samy Abdou Devices and methods for minimally invasive spinal stabilization and instrumentation
DE102010041959A1 (de) 2010-10-05 2012-04-05 Aces Gmbh Medizinisches Implantat
US9241809B2 (en) 2010-12-21 2016-01-26 DePuy Synthes Products, Inc. Intervertebral implants, systems, and methods of use
US9220604B2 (en) 2010-12-21 2015-12-29 DePuy Synthes Products, Inc. Intervertebral implants, systems, and methods of use
US8845728B1 (en) 2011-09-23 2014-09-30 Samy Abdou Spinal fixation devices and methods of use
US20130226240A1 (en) 2012-02-22 2013-08-29 Samy Abdou Spinous process fixation devices and methods of use
DE102012203256A1 (de) 2012-03-01 2013-09-05 Aces Gmbh Zwischenwirbelimplantat
US9198767B2 (en) 2012-08-28 2015-12-01 Samy Abdou Devices and methods for spinal stabilization and instrumentation
CA2889063C (en) 2012-09-25 2021-10-26 4Web, Inc. Programmable implants and methods of using programmable implants to repair bone structures
US9320617B2 (en) 2012-10-22 2016-04-26 Cogent Spine, LLC Devices and methods for spinal stabilization and instrumentation
US10327910B2 (en) 2013-03-14 2019-06-25 X-Spine Systems, Inc. Spinal implant and assembly
KR20150130528A (ko) 2013-03-15 2015-11-23 4웹, 인코포레이티드 외상성 뼈 골절 복구 시스템들 및 방법들
US9101489B2 (en) 2013-10-07 2015-08-11 Spine Wave, Inc. Expandable anterior lumbar interbody fusion device
CN104306085A (zh) * 2014-04-14 2015-01-28 池永龙 一种改良椎间融合器
US10016281B2 (en) 2014-08-08 2018-07-10 Howard Yeon Spinal intervertebral implant
US9867718B2 (en) 2014-10-22 2018-01-16 DePuy Synthes Products, Inc. Intervertebral implants, systems, and methods of use
WO2016137983A1 (en) 2015-02-24 2016-09-01 X-Spine Systems, Inc. Modular interspinous fixation system with threaded component
US10857003B1 (en) 2015-10-14 2020-12-08 Samy Abdou Devices and methods for vertebral stabilization
BR112018012191B1 (pt) 2015-12-16 2022-12-13 Nuvasive, Inc Implante cirúrgico
US10278834B2 (en) * 2016-09-14 2019-05-07 Globus Medical, Inc. Center lordotic mesh cage
US10278833B2 (en) * 2016-09-14 2019-05-07 Globus Medical, Inc. Center lordotic mesh cage
US10973648B1 (en) 2016-10-25 2021-04-13 Samy Abdou Devices and methods for vertebral bone realignment
US10744000B1 (en) 2016-10-25 2020-08-18 Samy Abdou Devices and methods for vertebral bone realignment
US11179248B2 (en) 2018-10-02 2021-11-23 Samy Abdou Devices and methods for spinal implantation
CN115919515B (zh) * 2023-03-14 2023-05-26 中国人民解放军总医院第一医学中心 椎间假体

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU1424826A1 (ru) * 1986-05-22 1988-09-23 Белорусский научно-исследовательский институт травматологии и ортопедии Фиксатор позвоночника
DE3637314A1 (de) * 1986-11-03 1988-05-11 Lutz Biedermann Platzhalter-implantat
GB8718627D0 (en) * 1987-08-06 1987-09-09 Showell A W Sugicraft Ltd Spinal implants
SU1650114A1 (ru) * 1988-01-21 1991-05-23 Ленинградский научно-исследовательский институт фтизиопульмонологии Способ переднего спондилодеза
US5458638A (en) * 1989-07-06 1995-10-17 Spine-Tech, Inc. Non-threaded spinal implant
US5320644A (en) * 1991-08-30 1994-06-14 Sulzer Brothers Limited Intervertebral disk prosthesis
DE9216092U1 (de) * 1992-11-26 1993-01-14 S + G Implants GmbH, 2400 Lübeck Scheibenförmiges Implantat zum Versteifen benachbarter Wirbelknochen
US5405391A (en) * 1993-02-16 1995-04-11 Hednerson; Fraser C. Fusion stabilization chamber
US5425772A (en) * 1993-09-20 1995-06-20 Brantigan; John W. Prosthetic implant for intervertebral spinal fusion

Cited By (12)

* 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
US7828848B2 (en) 1996-09-13 2010-11-09 Wenzel Spine, Inc. Expandable osteosynthesis cage
US8435299B2 (en) 1996-09-13 2013-05-07 Wenzel Spine, Inc. Expandable osteosynthesis cage
US8790407B2 (en) 1996-09-13 2014-07-29 Liliane Attali Expandable osteosynthesis cage
US8992621B2 (en) 1996-09-13 2015-03-31 Liliane Attali Expandable osteosynthesis cage
US8771357B2 (en) 2004-05-04 2014-07-08 Biedermann Technologies Gmbh & Co. Kg Flexible space holder
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

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Publication number Publication date
EP0659065A1 (de) 1995-06-28
KR0149620B1 (ko) 1998-10-01
US5609637A (en) 1997-03-11
KR950703308A (ko) 1995-09-20
EP0659065B1 (de) 1999-09-15
CA2143431C (en) 1999-03-23
ES2139078T3 (es) 2000-02-01
ATE184472T1 (de) 1999-10-15
CA2143431A1 (en) 1995-01-19
JPH07508679A (ja) 1995-09-28
DE4323034C1 (de) 1994-07-28
DE59408746D1 (de) 1999-10-21
WO1995001763A1 (de) 1995-01-19

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