JP4264031B2 - 生体埋め込み具、及びこの取り付け及び両端間引き伸ばしのための器具 - Google Patents
生体埋め込み具、及びこの取り付け及び両端間引き伸ばしのための器具 Download PDFInfo
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- JP4264031B2 JP4264031B2 JP2004156878A JP2004156878A JP4264031B2 JP 4264031 B2 JP4264031 B2 JP 4264031B2 JP 2004156878 A JP2004156878 A JP 2004156878A JP 2004156878 A JP2004156878 A JP 2004156878A JP 4264031 B2 JP4264031 B2 JP 4264031B2
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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
- A61F2/46—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
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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
- A61F2/4455—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
- A61F2/446—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 having a circular or elliptical cross-section substantially parallel to the axis of the spine, e.g. cylinders or frustocones
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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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- A61F2002/30001—Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
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- A61F2002/30199—Three-dimensional shapes
- A61F2002/30224—Three-dimensional shapes cylindrical
- A61F2002/30235—Three-dimensional shapes cylindrical tubular, e.g. sleeves
- A61F2002/30237—Three-dimensional shapes cylindrical tubular, e.g. sleeves partial tubes
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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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- A61F2002/30535—Special structural features of bone or joint prostheses not otherwise provided for
- A61F2002/30537—Special structural features of bone or joint prostheses not otherwise provided for adjustable
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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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- A61F2002/30535—Special structural features of bone or joint prostheses not otherwise provided for
- A61F2002/30537—Special structural features of bone or joint prostheses not otherwise provided for adjustable
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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
- A61F2002/30316—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
- A61F2002/30601—Special structural features of bone or joint prostheses not otherwise provided for telescopic
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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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- A61F2/30767—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
- A61F2002/30879—Ribs
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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
- A61F2002/448—Joints for the spine, e.g. vertebrae, spinal discs comprising multiple adjacent spinal implants within the same intervertebral space or within the same vertebra, e.g. comprising two adjacent spinal implants
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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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- A61F2002/4625—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 with relative movement between parts of the instrument during use
- A61F2002/4627—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 with relative movement between parts of the instrument during use with linear motion along or rotating motion about the instrument axis or the implantation direction, e.g. telescopic, along a guiding rod, screwing inside the instrument
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- A—HUMAN NECESSITIES
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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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- A61F2/00—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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Description
3 第1の埋め込み具部材3 4 第2の埋め込み具部材
5 分割された1つの管 6 両端間引き伸ばし方向に延びる案内面
7 第1の埋め込み具部材3の案内面6についての先端面
8 スリット 9 先端プレート
10 案内テーパー部 11 案内溝
12 案内突起 13 リング開口
14 ネジ切り孔 15 リング留め部
16 固定ネジ 17 埋め込み具開口
18 案内溝 19 器具
20 把持部 21 中空棒
22 調整部材 23 突起
24 シース 25 振れ動きレバー
26 伝動体 27 中空ネジ回し
28 ネジ切り軸 29 ネジ切り孔
30 棒ネジ山 31 ネジ切りリング
32 棒壁カム32 33 ブラケット
Claims (18)
- 隣り合う2つの椎体(2)を互いに固定するための生体埋め込み具(1)であって、第1の埋め込み具部材(3)と、両端間を引き伸ばすように第1の埋め込み具部材(3)に対して位置・姿勢をシフト可能な第2の埋め込み具部材(4)とからなるものにおいて、
第1の埋め込み具部材(3)及び第2の埋め込み具部材(4)は、両端間を引き伸ばさない状態において、互いに補完するようにして、長さ方向に沿って分割された一つの管(5)をなし、
第1の埋め込み具部材(3)及び第2の埋め込み具部材(4)には、半径方向へと引き伸ばす方向に延び互いに当接する案内面(6)がそれぞれ形成され、
これら案内面(6)についての相対的な位置・姿勢を固定する手段が備えられたことを特徴とする生体埋め込み具。 - 請求項1に記載の生体埋め込み具において、管(5)が、両端間を引き伸ばさない状態において、円形の断面形状を有し、一つの円筒をなすことを特徴とする生体埋め込み具。
- 請求項1または2に記載の生体埋め込み具において、第1の埋め込み具部材(3)の案内面(6)が、第1の埋め込み具部材の先端面(7)に形成され、第2の埋め込み具部材(4)の案内面(6)が、半径方向に延びるスリット(8)中に形成されていることを特徴とする生体埋め込み具。
- 請求項3に記載の生体埋め込み具において、第2の埋め込み具部材(4)の案内面(6)が、先端プレート(9)の内側面に形成されたことを特徴とする生体埋め込み具。
- 請求項4に記載の生体埋め込み具において、スリット(8)が、第1の埋め込み具部材(3)の側へと半径方向に延ばされ、先端プレート(9)が第2の埋め込み具部材(4)の他の部分と別体に形成され、第1の埋め込み具部材(3)の案内面(6)は、スリット(8)に噛み合う案内テーパー部(10)に接して、スリット壁(8)に平行に延びるテーパー状の傾斜壁面として形成されたことを特徴とする生体埋め込み具。
- 請求項5に記載の生体埋め込み具において、先端プレート(9)には、軸方向に延びる案内溝(11)が、第2の埋め込み具部材(4)に設けられた案内突起(12)と協同で作用を行うべく設けられていることを特徴とする生体埋め込み具。
- 請求項6に記載の生体埋め込み具において、案内テーパー部(10)は、周方向の一方で開いたリングとして設けられ、このリング開口(13)が、両端間引き伸ばしを行わない状態で案内突起(12)をつかみ込んでいることを特徴とする生体埋め込み具。
- 請求項5〜7のいずれかに記載の生体埋め込み具において、第1の埋め込み具部材(3)と第2の埋め込み具部材(4)との相対的な位置・姿勢を固定する手段として、先端プレート(9)には内側を向いた面にて軸方向に延びるネジ孔(14)が形成され、第2の埋め込み具部材(4)には、ネジ孔(14)に噛み合う固定ネジ(16)を保持するようにリング留め部(15)が形成されていることを特徴とする生体埋め込み具。
- 請求項3〜8のいずれかに記載の生体埋め込み具において、先端プレート(7)の逆の側に、埋め込み具開口(17)が、埋め込み具内部への入口として形成されることを特徴とする生体埋め込み具。
- 請求項9に記載の生体埋め込み具において、埋め込み具開口(17)には、複数の案内溝(18)が形成され、これらのうちの2つが、第1の埋め込み具部材(3)と第2の埋め込み具部材(4)との間の長手方向部分に沿って延びていることを特徴とする生体埋め込み具。
- 請求項9または10に記載の生体埋め込み具において、固定ネジ(16)のネジ頭の自由端に、ネジ孔(29)が形成されていることを特徴とする生体埋め込み具。
- 請求項1〜11のいずれかに記載の生体埋め込み具において、管(5)は、両端間引き伸ばし方向において互いに逆側に配置される表面に、ギザギザ(34)を備えることを特徴とする生体埋め込み具。
- 請求項1〜12のいずれかに記載の生体埋め込み具において、第1の埋め込み具部材(3)及び第2の埋め込み具部材(4)が、手術用の鋼及び/またはチタンからなることを特徴とする生体埋め込み具。
- 請求項1〜7のいずれかに記載の生体埋め込み具において、固定手段として、第1の埋め込み具部材(3)と第2の埋め込み具部材(4)との間に導入された骨セメントが備えられることを特徴とする生体埋め込み具。
- 請求項1〜14のいずれかに記載の生体埋め込み具の配置及び両端間引き伸ばしのための器具において、把持部(20)が中空棒(21)に接続し、この中空棒(21)の前方端には振れ動き可能な調整部材(22)が備えられ、調整部材(22)は、長手方向部分の両方に割り当てられた案内溝(18)に挿入するための2つの突起(23)を備え、
中空棒(21)には、シース(24)及び振れ動きレバー(25)が接続し、この振れ動きレバー(25)は、調整部材(22)に振れ動きに関して係合する伝動体(26)の作動のために役立つものであり、
中空棒(21)中には中空のネジ回し(27)が配され、ネジ回し(27)には、固定ネジ(16)におけるネジ頭のネジ孔(29)にねじ合わされるネジ切り軸(28)が貫通していることを特徴とする器具。 - 請求項15に記載の器具において、中空棒(21)の後方端には棒ネジ山(30)が設けられ、この棒ネジ山(30)には、シース(24)の調整ストロークを制限するためのネジ切りリング(31)が備えられることを特徴とする器具。
- 請求項15または16に記載の器具において、伝動体(26)が調整部材(22)の上端に係合し、中空棒(21)の前方領域には、互いに逆側に、棒壁カム(32)が形成され、これら棒壁突起(32)が、生体埋め込み具(1)の長手方向部分に対して垂直に配された振れ動き軸を規定し、調整部材(22)は、伝動体(26)と接続する部位から間隔をおいて、棒壁カム(32)に当接することを特徴とする器具。
- 請求項15〜17のいずれかに記載の器具において、把持部(20)にはブラケット(33)が配され、このブラケット(33)が、ネジ切り軸(28)の軸方向ストロークを制限する位置・姿勢と、この制限を解除する位置・姿勢との間で振れ動き可能であることを特徴とする器具。
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DE10324319A DE10324319A1 (de) | 2003-05-27 | 2003-05-27 | Implantat sowie Instrument zur Platzierung und Distraktion des Implantates |
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US (2) | US7534266B2 (ja) |
EP (1) | EP1481654B1 (ja) |
JP (1) | JP4264031B2 (ja) |
AT (1) | ATE342702T1 (ja) |
DE (2) | DE10324319A1 (ja) |
ES (1) | ES2271732T3 (ja) |
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-
2003
- 2003-05-27 DE DE10324319A patent/DE10324319A1/de not_active Withdrawn
-
2004
- 2004-04-24 AT AT04009760T patent/ATE342702T1/de not_active IP Right Cessation
- 2004-04-24 ES ES04009760T patent/ES2271732T3/es not_active Expired - Lifetime
- 2004-04-24 DE DE502004001765T patent/DE502004001765D1/de not_active Expired - Lifetime
- 2004-04-24 EP EP04009760A patent/EP1481654B1/de not_active Expired - Lifetime
- 2004-05-26 US US10/854,650 patent/US7534266B2/en active Active
- 2004-05-26 JP JP2004156878A patent/JP4264031B2/ja not_active Expired - Fee Related
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EP1481654A1 (de) | 2004-12-01 |
ATE342702T1 (de) | 2006-11-15 |
US20050004673A1 (en) | 2005-01-06 |
US7534266B2 (en) | 2009-05-19 |
DE10324319A1 (de) | 2004-12-16 |
ES2271732T3 (es) | 2007-04-16 |
EP1481654B1 (de) | 2006-10-18 |
US20080114371A1 (en) | 2008-05-15 |
JP2004351206A (ja) | 2004-12-16 |
DE502004001765D1 (de) | 2006-11-30 |
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