JPH10507386A - 人工脊椎円板核 - Google Patents
人工脊椎円板核Info
- Publication number
- JPH10507386A JPH10507386A JP8513389A JP51338996A JPH10507386A JP H10507386 A JPH10507386 A JP H10507386A JP 8513389 A JP8513389 A JP 8513389A JP 51338996 A JP51338996 A JP 51338996A JP H10507386 A JPH10507386 A JP H10507386A
- Authority
- JP
- Japan
- Prior art keywords
- hydrogel core
- spinal disc
- disc nucleus
- hydrogel
- nucleus body
- 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.)
- Withdrawn
Links
Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2/44—Joints for the spine, e.g. vertebrae, spinal discs
- A61F2/441—Joints for the spine, e.g. vertebrae, spinal discs made of inflatable pockets or chambers filled with fluid, e.g. with hydrogel
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- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2/44—Joints for the spine, e.g. vertebrae, spinal discs
- A61F2/442—Intervertebral or spinal discs, e.g. resilient
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- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
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- A61F2/3094—Designing or manufacturing processes
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- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
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- A61F2002/30001—Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
- A61F2002/30003—Material related properties of the prosthesis or of a coating on the prosthesis
- A61F2002/3006—Properties of materials and coating materials
- A61F2002/3008—Properties of materials and coating materials radio-opaque, e.g. radio-opaque markers
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- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
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- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
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- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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- A61F2250/0098—Markers and sensors for detecting a position or changes of a position of an implant, e.g. RF sensors, ultrasound markers radio-opaque, e.g. radio-opaque markers
Landscapes
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Neurology (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Cardiology (AREA)
- Veterinary Medicine (AREA)
- Transplantation (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Public Health (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Dispersion Chemistry (AREA)
- Chemical & Material Sciences (AREA)
- Prostheses (AREA)
- Materials For Medical Uses (AREA)
Abstract
Description
Claims (1)
- 【特許請求の範囲】 1.矢状直径を有する核領域を備えたヒトの脊椎円板スペースに移植するための 人工脊椎円板核ボディであって、 該円板核の該矢状直径に近い長さと、該長さより小さい幅と、該幅より小さい 高さとを有するヒドロゲルコアと、 該ヒドロゲルコアを取り囲み、該ヒドロゲルコアの膨張および収縮を可能にす る可撓性閉じ込みジャケットとを含む、人工脊椎円板核ボディ。 2.前記ヒドロゲルコアが、完全に水和される時に25〜65%の含水率を有する、 請求項1に記載の人工脊椎円板核ボディ。 3.前記ヒドロゲルコアが、ポリビニルアルコールと水との混合物である、請求 項1に記載の人工脊椎円板核ボディ。 4.前記ヒドロゲルコアが、前記閉じ込みジャケットの中に設置された後、第1 と第2との強さ間の複数の圧縮サイクルにかけられる、請求項1に記載の人工脊 椎円板核ボディ。 5.前記ヒドロゲルコアが流体を吸収し、そして該ヒドロゲルコアが、前記複数 の圧縮サイクルのあとの最初の体積と、流体を吸収した時の膨張した体積とを有 し;そして 該ヒドロゲルコアの完全に膨張した体積が、該ヒドロゲルコアの該最初の体積 の2倍未満である、請求項4に記載の人工脊椎円板核ボディ。 6.前記ヒドロゲルコアが流体を吸収し、そして該ヒドロゲルコアおよび前記閉 じ込みジャケットが、該ヒドロゲルコアが流体を吸収する時に、前記高さが、前 記幅の変化よりも大きな比率で変化するように協働する、請求項1に記載の人工 脊椎円板核ボディ。 7.前記ヒドロゲルコアが流体を放出し、そして該ヒドロゲルコアおよび前記閉 じ込みジャケットが、該ヒドロゲルコアが流体を放出する時に、前記高さが、前 記幅の変化よりも比例的に大きな比率で変化するように協働する、請求項1に記 載の人工脊椎円板核ボディ。 8.前記閉じ込みジャケットが実質的に非弾性である、請求項1に記載の人工脊 椎円板核ボディ。 9.前記閉じ込みジャケットが織りのチューブである、請求項1に記載の人工脊 椎円板核ボディ。 10.前記閉じ込みジャケットが、2つの端を有する織りのチューブであり、且つ 、少なくとも1端が栓を有する、請求項1に記載の人工脊椎円板核ボディ。 11.前記閉じ込みジャケット中に放射線不透過性素材をさらに含む、請求項1に 記載の人工脊椎円板核ボディ。 12.前記ヒドロゲルコア中に放射線不透過性素材をさらに含む、請求項1に記載 の人工脊椎円板核ボディ。 13.前記人工脊椎円板核ボディが前記核領域から後進することを防止する手段を さらに含む、請求項1に記載の人工脊椎円板核ボディ。 14.後進を防止する前記手段が、前記閉じ込みジャケットから突出する、少なく とも1つの高分子量の尖叉を有する、請求項21に記載の人工脊椎円板核ボディ 。 15.前記閉じ込みジャケットが、前記ヒドロゲルコアの外表面のイオン注入によ って形成される、請求項1に記載の人工脊椎円板核ボディ。 16.矢状直径を有する核部分を備えたヒトの脊椎円板スペースに移植される人工 脊椎円板核ボディであって、 該円板核の該矢状直径に近い長さと、該長さより小さい幅と、該幅より小さい 高さとを備えた形状を有するヒドロゲルコアと、 該ヒドロゲルコアの膨張および収縮を可能にする一方で、該ヒドロゲルコアの 該形状をほぼ維持するための、該ヒドロゲルコアに係合する手段とを有する、人 工脊椎円板核ボディ。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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US32414294A | 1994-10-17 | 1994-10-17 | |
US08/324,142 | 1994-10-17 | ||
PCT/US1995/013172 WO1996011642A1 (en) | 1994-10-17 | 1995-10-17 | Prosthetic spinal disc nucleus |
Related Child Applications (2)
Application Number | Title | Priority Date | Filing Date |
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JP2004290830A Division JP2005058781A (ja) | 1994-10-17 | 2004-10-01 | 人工脊椎円板核 |
JP2007175675A Division JP2007283121A (ja) | 1994-10-17 | 2007-07-03 | 人工脊椎円板核 |
Publications (1)
Publication Number | Publication Date |
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JPH10507386A true JPH10507386A (ja) | 1998-07-21 |
Family
ID=23262276
Family Applications (3)
Application Number | Title | Priority Date | Filing Date |
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JP8513389A Withdrawn JPH10507386A (ja) | 1994-10-17 | 1995-10-17 | 人工脊椎円板核 |
JP2004290830A Withdrawn JP2005058781A (ja) | 1994-10-17 | 2004-10-01 | 人工脊椎円板核 |
JP2007175675A Pending JP2007283121A (ja) | 1994-10-17 | 2007-07-03 | 人工脊椎円板核 |
Family Applications After (2)
Application Number | Title | Priority Date | Filing Date |
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JP2004290830A Withdrawn JP2005058781A (ja) | 1994-10-17 | 2004-10-01 | 人工脊椎円板核 |
JP2007175675A Pending JP2007283121A (ja) | 1994-10-17 | 2007-07-03 | 人工脊椎円板核 |
Country Status (7)
Country | Link |
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US (1) | US5674295A (ja) |
EP (1) | EP0786963B1 (ja) |
JP (3) | JPH10507386A (ja) |
CA (1) | CA2201607C (ja) |
DE (1) | DE69532856T2 (ja) |
ES (1) | ES2216021T3 (ja) |
WO (1) | WO1996011642A1 (ja) |
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- 1995-10-17 ES ES95937443T patent/ES2216021T3/es not_active Expired - Lifetime
- 1995-10-17 EP EP95937443A patent/EP0786963B1/en not_active Expired - Lifetime
- 1995-10-17 JP JP8513389A patent/JPH10507386A/ja not_active Withdrawn
- 1995-10-17 DE DE69532856T patent/DE69532856T2/de not_active Expired - Fee Related
- 1995-10-17 WO PCT/US1995/013172 patent/WO1996011642A1/en active IP Right Grant
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1996
- 1996-04-26 US US08/638,306 patent/US5674295A/en not_active Expired - Fee Related
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2004
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US9241796B2 (en) | 1999-05-28 | 2016-01-26 | Bret A. Ferree | Methods and apparatus for treating disc herniation and preventing the extrusion of interbody bone graft |
US9592062B2 (en) | 1999-05-28 | 2017-03-14 | Anova Corp. | Methods and apparatus for treating disc herniation and preventing the extrusion of interbody bone graft |
US10327907B2 (en) | 1999-05-28 | 2019-06-25 | Suture Concepts Inc. | Methods and apparatus for treating disc herniation and preventing the extrusion of interbody bone graft |
US7914553B2 (en) | 1999-08-13 | 2011-03-29 | Anova Corporation | Methods and apparatus for treating disc herniation and preventing the extrusion of interbody bone graft |
JP2004516904A (ja) * | 1999-08-18 | 2004-06-10 | イントリンジック セラピューティックス インコーポレイテッド | 髄核オーグメンテーションおよび保定のための装置および方法 |
JP2006504452A (ja) * | 2002-09-18 | 2006-02-09 | エスディージーアイ・ホールディングス・インコーポレーテッド | コラーゲンを主成分とした椎間板増強材料及び増強方法 |
JP2006515765A (ja) * | 2002-11-15 | 2006-06-08 | エスディージーアイ・ホールディングス・インコーポレーテッド | 滑膜性関節を治療するためのコラーゲンベース材料および方法 |
JP2007530120A (ja) * | 2004-03-26 | 2007-11-01 | ヌヴァシヴ インコーポレイテッド | 脊椎円板髄核置換用多孔質インプラント |
JP2011528571A (ja) * | 2008-07-18 | 2011-11-24 | テクニシェ・ウニベルジテイト・エインドホフェン | 織ったエンベロープを有するゲル材料のコアを含むプロテーゼおよびこれを製造する方法およびその使用 |
Also Published As
Publication number | Publication date |
---|---|
ES2216021T3 (es) | 2004-10-16 |
US5674295A (en) | 1997-10-07 |
EP0786963B1 (en) | 2004-04-07 |
DE69532856D1 (de) | 2004-05-13 |
JP2005058781A (ja) | 2005-03-10 |
EP0786963A1 (en) | 1997-08-06 |
CA2201607C (en) | 2001-02-13 |
EP0786963A4 (en) | 1998-12-16 |
CA2201607A1 (en) | 1996-04-25 |
WO1996011642A1 (en) | 1996-04-25 |
JP2007283121A (ja) | 2007-11-01 |
DE69532856T2 (de) | 2005-04-21 |
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