JPH08503876A - 椎間腔のための植接体 - Google Patents
椎間腔のための植接体Info
- Publication number
- JPH08503876A JPH08503876A JP7509471A JP50947195A JPH08503876A JP H08503876 A JPH08503876 A JP H08503876A JP 7509471 A JP7509471 A JP 7509471A JP 50947195 A JP50947195 A JP 50947195A JP H08503876 A JPH08503876 A JP H08503876A
- Authority
- JP
- Japan
- Prior art keywords
- implant
- grafted
- bone
- body according
- implants
- 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
Links
- 239000007943 implant Substances 0.000 title claims abstract description 147
- 210000000988 bone and bone Anatomy 0.000 claims description 29
- 239000000463 material Substances 0.000 claims description 7
- 239000011800 void material Substances 0.000 claims description 7
- 229910001069 Ti alloy Inorganic materials 0.000 claims description 3
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 3
- 238000011065 in-situ storage Methods 0.000 claims description 3
- 230000000278 osteoconductive effect Effects 0.000 claims description 3
- 230000002138 osteoinductive effect Effects 0.000 claims description 3
- 239000010936 titanium Substances 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 2
- 229910052719 titanium Inorganic materials 0.000 claims description 2
- 238000006073 displacement reaction Methods 0.000 claims 4
- 229910052586 apatite Inorganic materials 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 claims 1
- 229910052588 hydroxylapatite Inorganic materials 0.000 claims 1
- VSIIXMUUUJUKCM-UHFFFAOYSA-D pentacalcium;fluoride;triphosphate Chemical compound [F-].[Ca+2].[Ca+2].[Ca+2].[Ca+2].[Ca+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O VSIIXMUUUJUKCM-UHFFFAOYSA-D 0.000 claims 1
- XYJRXVWERLGGKC-UHFFFAOYSA-D pentacalcium;hydroxide;triphosphate Chemical compound [OH-].[Ca+2].[Ca+2].[Ca+2].[Ca+2].[Ca+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O XYJRXVWERLGGKC-UHFFFAOYSA-D 0.000 claims 1
- 230000002980 postoperative effect Effects 0.000 claims 1
- 238000003780 insertion Methods 0.000 description 8
- 230000037431 insertion Effects 0.000 description 8
- 238000000034 method Methods 0.000 description 8
- 230000033001 locomotion Effects 0.000 description 3
- 238000013519 translation Methods 0.000 description 3
- 230000008468 bone growth Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000001054 cortical effect Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 210000002808 connective tissue Anatomy 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000007688 edging Methods 0.000 description 1
- 238000002513 implantation Methods 0.000 description 1
- 238000012966 insertion method Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
Classifications
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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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- 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
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- A61F2/447—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 substantially parallelepipedal, e.g. having a rectangular or trapezoidal cross-section
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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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- 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
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- A61F2310/00—Prostheses classified in A61F2/28 or A61F2/30 - A61F2/44 being constructed from or coated with a particular material
- A61F2310/00389—The prosthesis being coated or covered with a particular material
- A61F2310/00395—Coating or prosthesis-covering structure made of metals or of alloys
- A61F2310/00407—Coating made of titanium or of Ti-based alloys
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- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2310/00—Prostheses classified in A61F2/28 or A61F2/30 - A61F2/44 being constructed from or coated with a particular material
- A61F2310/00389—The prosthesis being coated or covered with a particular material
- A61F2310/00592—Coating or prosthesis-covering structure made of ceramics or of ceramic-like compounds
- A61F2310/00796—Coating or prosthesis-covering structure made of a phosphorus-containing compound, e.g. hydroxy(l)apatite
Landscapes
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Neurology (AREA)
- Transplantation (AREA)
- Heart & Thoracic Surgery (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Cardiology (AREA)
- Vascular Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Physical Education & Sports Medicine (AREA)
- Prostheses (AREA)
Abstract
Description
Claims (1)
- 【特許請求の範囲】 1.器具(9)により把持するための装置(8)を備えたおおむね直方体状の 本体(7)からなることを特徴とする椎間腔(25)のための植接体(6)。 2.装置(8)が植接体(6)への回転力の行使を可能にするように構成され ていることを特徴とする請求項1に記載の植接体。 3.装置(8)が本体(7)の内側に設けた、少なくとも1個の空欠部からな り、好ましくはキー状の器具(9)をこの空欠部に挿入し得ることを特徴とする 請求項1又は2に記載の植接体。 4.空欠部が本体(7)の内側に設けた六角穴からなることを特徴とする請求 項3に記載の植接体。 5.装置(8)が少なくとも植接体(6)に対する軸方向力、圧縮力又は引張 力の行使が可能であ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4 のいずれか1つに記載の植接体。 6.器具(9)の取付けのための内側空欠部の形の装置(8)を有し、器具( 9)に対する軸方向ロッキング(Sperrung)を有する2個の取り付け部材(27 )が上記空欠部に設けられていることを特徴とする請求項1ないし5のいずれか 1つに記載の植接体。 7.装置(8)が少なくとも植接体(6)に対する横力の行使が可能でるよう に形成されていることを特徴とする請求項1ないし6のいずれか1つに記載の植 接体。 8.異なる直径(D1.D2)を有することを特徴とする請求項1ないし7の いずれか1つに記載の植接体。 9.その間で最小直径(D1)が伸張する側面(14及び15)の大部分が平 行かつ平坦であることを特徴とする請求項8に記載の植接体。 10.最大直径(D2)の縦断面図で植接体(6)が面取りしたレンズ状の輪 郭を有することを特徴とする請求項8又は9に記載の植接体。 11.面取りしたレンズ状の輪郭を挾む側面(15、16)が植接体(6)に 対して横方向に少なくとも部分的に平坦であることを特徴とする請求項10に記 載の植接体。 12.植接体の少なくとも一方の軸方向端部(10;12)が丸みを帯びてい ることを特徴とする請求項1ないし11のいずれか1つに記載の植接体。 13.本体(7)が移植材料(24)の充填のための単数個又は複数個の開口 (18)を有し、植接体(6)の最終的位置で移植材料(24)が椎体(1.2 )に接触するように上記の開口が設けられていることを特徴とする請求項1ない し12のいずれか1つに記載の植接体。 14.植接体(6)が平行な壁面(19、20)を備えた縦長のみぞの形の貫 通する開口(18)を具備することを特徴とする請求項1ないし13のいずれか 1つに記載の植接体。 15.2つの端部に装置(8、26)を具備することを特徴とする請求項1な いし14のいずれか1つに記載の植接体。 16.チタン又はチタン合金からなることを特徴とする請求項1ないし15の いずれか1つに記載の植接体。 17.片側の丸み(31)を備えた長方形横断面を有することを特徴とする請 求項1ないし16のいずれか1つに記載の植接体。 18.a)長方形横断面の長辺と丸みのある縁端をよぎる対角線との差が3m m未満、好ましくは1−2mmであり、 b)骨との接触面が丸み(31)によって2分の1未満、好ましくは3分の1 未満だけ縮小される。 ように片側の丸み(31)の半径が設計されていることを特徴とする請求項1 7に記載の植接体。 19.対角線上に両側の丸み(32)がある長方形横断面を有することを特徴 とする請求項1ないし18のいずれか1つに記載の植接体。 20.a)横断面の長辺と丸みのある縁端をよぎる対角線との差が3mm未満 、好ましくは0.5−1.0mmであり、 b).植接体の小さい方の面が2分の1未満好ましくは4分の1未満だけ縮小 される ように両側の丸み(32)の半径が設計されていることを特徴とする請求項1 9に記載の植接体。 21.このような植接体の一対配列で、その丸みを帯びた縁端が互いに対称に なっていることを特徴とする請求項19又は20に記載の植接体。 22.隣接する椎体の蓋板の凹面へ植接体を回転した後、1ないし4mm好ま しくは2−3mmの椎間腔(25)の伸展が残るように構成された長方形横断面 を有することを特徴とする請求項19ないし21のいずれか1つに記載の植接体 。 23.正方形に縮小された横断面を有し、隣接する椎体の端板の凹面へ植接体 を回転した後、椎間腔(25)の伸展が残らないことを特徴とする請求項19な いし21のいずれか1つに記載の植接体。 24. (a)左右の植接体(6)の間隔とその整列が維持され、 (b)植接体(6)がその縦軸(35)の周りに回転可能であり、 (c)2個の植接体(6)の植接の前に及び/又はその場でコネクタ(34)で 結合することができるように、 左右の植接体の前部がコネクタ(34)で連結し得るように植接体(6)の後端 部を構成したことを特徴とする請求項19ないし22のいずれか1つに記載の植 接体。 25.植接の前に又はその場で第2の植接体(6)で固定されるように構成さ れ、その際この結合が (a)植接体(6)の間の間隔及び角を維持し、 (b)隣接する椎体(1、2)の蓋板の凹面へ植接体(6)をその縦軸(35) の周りに回転することを許容する ことを特徴とする請求項19ないし22のいずれか1つに記載の植接体。 26.縦軸(35)の周りに蓋板の凹面へ回転した後、内側で別の植接体によ り角安定に連結されるように構成されていることを特徴とする請求項19ないし 22のいずれか1つに記載の植接体。 27.表面が好ましくは水酸化燐灰石又はチタンプラズマで被覆されているこ とを特徴とする請求項19ないし26のいずれか1つに記載の植接体。 28.多孔壁を有し、パーホレーシヨン(Perforation)(37)が好ましく は穴状であり、穴の直径が(a)縦長の開口部に圧入された海綿状体が横に脱出 せず、 (b)海綿状体の術後膨張を生じるために、海綿状体に含まれた液が植接体の移 植の後に再び逆拡散することができ、 (c)骨がパーホレーション(Perforation)を経て植接体の中に成長すること ができる ように設計されていることを特徴とする請求項13、14及び19−27のいず れか1つに記載の植接体。 29.植接体と骨の間の一方の接触面が植接体の縦方向のラスター構造を有す ることを特徴とする請求項19−28のいずれか1つに記載の植接体。 30.植接体と骨の間の両方の接触面が植接体の縦方向のラスター構造を有す ることを特徴とする請求項19−28のいずれか1つに記載の植接体。 31.ラスター構造の幾何学的形状が一方の方向への植接体の回転を許容し、 他方の方向への回転を阻止することを特徴とする請求項29又は30に記載の植 接体。 32.植接体と骨との間の一方の接触面が横ラスター構造を有することを特徴 とする請求項19−28のいずれか1つに記載の植接体。 33.植接体と骨との間の両方の接触面が横ラスター構造を有することを特徴 とする請求項19−28のいずれか1つに記載の植接体。 34.ラスター構造の幾何学的形状が植接体の前方へのずれを阻止することを 特徴とする請求項32又は33に記載の植接体。 35.ラスター構造の幾何学的構造が植接体の後方へのずれを阻止することを 特徴とする請求項32又は33に記載の植接体。 36.一方のラスター構造が植接体の前方へのずれを阻止し、他方のラスター 構造が後方へのずれを阻止するように、植接体と骨の間の両方の接触面のラスタ ー構造の幾何学的形状が形成されていることを特徴とする請求項32に記載の植 接体。 37.一方の接触面の縦ラスター構造と他方の接触面の横ラスター構造を有す ることを特徴とする請求項29又は32のいずれか1つに記載の植接体。 38.後方及び前方へのずれが阻止されるように個々の接触面の横ラスター構 造が設計されていることを特徴とする請求項32−35又は37のいずれか1つ に記載の植接体。 39.壁面(19)及び(20)が横スリットを有することを特徴とする請求 項13、14及び請求項19−17及び29−38のいずれか1つに記載の植接 体。 40.隣接する椎体の蓋板から骨が中に成長することができるように、空洞部 及びスリットが骨伝導性又は骨誘導性材料、好ましくは水酸化燐灰石で充填され ていることを特徴とする請求項39に記載の植接体。 41.a)一辺の長さa,b,cのおおむね直方体状の形状、 b)縦軸(35)が貫く軸方向前端面(12)及び軸方向後端面(10)、 c)横軸(44)が貫く2つの側面(14、15)、 d)横軸(45)が貫く上面(16)及び下面(17) を有する椎間腔(25)のための植接体において、 e)植接体(6)が器具(9)により把持するための装置(8)を有し f)軸方向前端面(12)及び/又は軸方向後端面(10)が長方形に形成され ていることを特徴とする植接体。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BE9300982 | 1993-09-21 | ||
BE9300982A BE1007549A3 (nl) | 1993-09-21 | 1993-09-21 | Implantaat. |
PCT/CH1994/000184 WO1995008306A1 (de) | 1993-09-21 | 1994-09-20 | Implantat für den zwischenwirbelraum |
Publications (2)
Publication Number | Publication Date |
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JPH08503876A true JPH08503876A (ja) | 1996-04-30 |
JP3643594B2 JP3643594B2 (ja) | 2005-04-27 |
Family
ID=3887349
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP50947195A Expired - Lifetime JP3643594B2 (ja) | 1993-09-21 | 1994-09-20 | 椎間腔のための植接体 |
Country Status (8)
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US (1) | US5888224A (ja) |
EP (3) | EP1447061B1 (ja) |
JP (1) | JP3643594B2 (ja) |
BE (1) | BE1007549A3 (ja) |
CA (1) | CA2151481C (ja) |
DE (5) | DE59410451D1 (ja) |
ES (3) | ES2285699T3 (ja) |
WO (1) | WO1995008306A1 (ja) |
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JP2003526458A (ja) * | 2000-03-14 | 2003-09-09 | 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 | 脊椎の骨固定を促進する椎骨インプラント |
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US10835388B2 (en) | 2017-09-20 | 2020-11-17 | Stryker European Operations Holdings Llc | Spinal implants |
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US11219531B2 (en) | 2019-04-10 | 2022-01-11 | Wenzel Spine, Inc. | Rotatable intervertebral spacing implant |
Also Published As
Publication number | Publication date |
---|---|
ES2285699T3 (es) | 2007-11-16 |
DE9422456U1 (de) | 2003-02-27 |
BE1007549A3 (nl) | 1995-08-01 |
JP3643594B2 (ja) | 2005-04-27 |
DE59410425D1 (de) | 2006-01-12 |
DE59410451D1 (de) | 2007-05-24 |
EP1464306A2 (de) | 2004-10-06 |
CA2151481A1 (en) | 1995-03-30 |
DE9422480U1 (de) | 2004-01-15 |
WO1995008306A1 (de) | 1995-03-30 |
US5888224A (en) | 1999-03-30 |
EP1464306A3 (de) | 2005-08-31 |
CA2151481C (en) | 2004-11-23 |
EP1464306B1 (de) | 2007-04-11 |
EP0670702B1 (de) | 2007-04-11 |
ES2255011T3 (es) | 2006-06-16 |
EP1447061A1 (de) | 2004-08-18 |
DE59410450D1 (de) | 2007-05-24 |
ES2285300T3 (es) | 2007-11-16 |
EP0670702A1 (de) | 1995-09-13 |
EP1447061B1 (de) | 2005-12-07 |
EP1464306B2 (de) | 2014-06-11 |
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