JP4634055B2 - 脊柱の椎体の間に装入する生体埋め込み具 - Google Patents
脊柱の椎体の間に装入する生体埋め込み具 Download PDFInfo
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- JP4634055B2 JP4634055B2 JP2004066200A JP2004066200A JP4634055B2 JP 4634055 B2 JP4634055 B2 JP 4634055B2 JP 2004066200 A JP2004066200 A JP 2004066200A JP 2004066200 A JP2004066200 A JP 2004066200A JP 4634055 B2 JP4634055 B2 JP 4634055B2
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- Prior art keywords
- implant
- living body
- opening
- implanter
- plate
- 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.)
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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
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- A61F2/442—Intervertebral or spinal discs, e.g. resilient
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- 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
- A61F2002/30845—Sharp anchoring protrusions for impaction into the bone, e.g. sharp pins, spikes with cutting edges
-
- 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
- A61F2220/00—Fixations or connections for prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
- A61F2220/0025—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements
-
- 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
- A61F2220/00—Fixations or connections for prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
- A61F2220/0025—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements
- A61F2220/0033—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements made by longitudinally pushing a protrusion into a complementary-shaped recess, e.g. held by friction fit
-
- 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
- A61F2230/0019—Angular shapes rectangular
-
- 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
- A61F2230/0023—Angular shapes triangular
-
- 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
- A61F2230/0028—Shapes in the form of latin or greek characters
- A61F2230/005—Rosette-shaped, e.g. star-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
- A61F2230/0002—Two-dimensional shapes, e.g. cross-sections
- A61F2230/0028—Shapes in the form of latin or greek characters
- A61F2230/0058—X-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
- A61F2250/00—Special features of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
- A61F2250/0004—Special features of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof adjustable
- A61F2250/0006—Special features of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof adjustable for adjusting angular orientation
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- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Neurology (AREA)
- Heart & Thoracic Surgery (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Transplantation (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)
- Prostheses (AREA)
Description
3 第2の埋め込み具部材 4 回転可能なネジ切りリング
5 継ぎ付け板 6 継ぎ付け板5に設けられた開口
7 継ぎ付け板5における椎体の側の表面
8 継ぎ付け板5の開口6の溝 9 溝8に配置されたバネ
10 尖形突起 11 桟橋状張り出し板
12 通り抜け開放部
Claims (27)
- 脊柱から離された椎骨、椎骨部分または椎間板に代わるスペース保持部材として脊柱の椎体の間に装入するための生体埋め込み具であって、第1の埋め込み具部材(2)と第2の埋め込み具部材(3)とからなり、これら埋め込み具部材が生体埋め込み具(1)の長さを変化させるべく共通の長軸の方向に沿って互いに移動可能であるものにおいて、
継ぎ付け板(5)が備えられ、これが、長軸に実質上垂直の方向に向けられた状態で、2つの埋め込み具部材(2,3)の少なくとも一方についての自由端に、解除可能な固定手段により接続可能であり、
継ぎ付け板(5)が生体埋め込み具(1)の外面から突き出ており、
解除可能な固定手段が、継ぎ付け板(5)に形成された一つの開口(6)を含み、継ぎ付け板(5)が、この開口(6)から放射状に延びる複数の桟橋状張り出し板(11)、及び、これらにより形成され、かつ画された複数の通り抜け開放部(12)からなり、
継ぎ付け板(5)の開口(6)が、継ぎ付け板(5)の重心より外に設けられ、
通り抜け開放部(12)が継ぎ付け板(5)の外縁にまで延びている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、桟橋状張り出し板(11)の放射方向寸法が、いずれも、通り抜け開放部(12)の放射方向内側端と開口(6)との距離よりも大きい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、各桟橋状張り出し板(11)が、外側へと向かって広がる形状をなす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、各通り抜け開放部(12)が、開口(6)の側の端部を除き、放射方向外側へと向かって幅が一定である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、各継ぎ付け板(5)中、通り抜け開放部(12)は、幅が互いに等しいことを特徴とする生体埋め込み具。
- 請求項3〜5のいずれかに記載の生体埋め込み具において、放射方向寸法の最も大きい桟橋状張り出し板(11)は、外縁部において、幅が、隣接する通り抜け開放部(12)の幅よりも大きい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、桟橋状張り出し板(11)が、星形をなし、前記開口のまわりに一定の角度間隔で設けられた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、開口(6)の形状が生体埋め込み具(1)の外周面形状に合わせられてい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、第1の埋め込み具部材(2)と第2の埋め込み具部材(3)とが、いずれも円筒状であり、第1の埋め込み具部材(2)が第2の埋め込み具部材(3)中に差し込まれており、
前記開口(6)が円形であり、前記開口(6)の径が第1の埋め込み具部材(2)の径に実質上、等しい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、第1の埋め込み具部材(2)と第2の埋め込み具部材(3)とが、いずれも円筒状であり、第1の埋め込み具部材(2)が第2の埋め込み具部材(3)中に差し込まれており、
前記開口(6)が円形であり、前記開口(6)の内径が第1の埋め込み具部材(2)の外径に等しいことを特徴とする生体埋め込み具。 - 請求項1〜10のいずれかに記載の生体埋め込み具において、継ぎ付け板(5)の固定手段が2つ備えられ、それぞれが一つの埋め込み具部材(2,3)に割り当てられていることを特徴とする生体埋め込み具。
- 請求項1〜10のいずれかに記載の生体埋め込み具において、固定手段が、継ぎ付け板(5)と埋め込み具部材(2,3)との間に設けられた嵌合接続及び係止個所により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12に記載の生体埋め込み具において、固定手段が、バヨネット式ジョイントにより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1〜10のいずれかに記載の生体埋め込み具において、固定手段が、埋め込み具部材(2,3)の自由端に設けられた溝、及び、継ぎ付け板(5)の開口(6)の溝(8)に配置されたバネを含んでい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において、継ぎ付け板(5)における椎体の側の面には、尖形突起(10)及びナイフエッジの少なくとも一方が配置されていることを特徴とする生体埋め込み具。
- 請求項15に記載の生体埋め込み具において、尖形突起(10)またはナイフエッジが前記開口(6)の全周に沿って配置されていることを特徴とする生体埋め込み具。
- 請求項1〜16のいずれかに記載の生体埋め込み具において、各継ぎ付け板(5)に、桟橋状張り出し板(11)が4個、12個または16個設けられたことを特徴とする生体埋め込み具。
- 請求項1〜17のいずれかに記載の生体埋め込み具において、継ぎ付け板(5)の厚みが、いずれかの埋め込み具部材(2,3)の高さの2.0%〜30.0%に相当することを特徴とする生体埋め込み具。
- 請求項1〜18のいずれかに記載の生体埋め込み具において、継ぎ付け板(5)における椎体の側の表面(7)が凸状に膨出していることを特徴とする生体埋め込み具。
- 請求項1〜19のいずれかに記載の生体埋め込み具において、各通り抜け開放部(12)が、開口(6)の側の端部において、円弧状の縁をなすことを特徴とする生体埋め込み具。
- 請求項1〜20に記載の生体埋め込み具において、桟橋状張り出し板(11)の縁が、一つの円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1〜21のいずれか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(3)に回転可能なネジ切りリング(4)が割り当てられており、このネジ切りリング(4)のネジ切り面が、第1の埋め込み具部材(2)に割り当てられたネジ山に噛み合っており、ネジ切りリング(4)には、かさ歯車の歯列が備えられることを特徴とする生体埋め込み具。
- 請求項1〜22のいずれかに記載の生体埋め込み具において、継ぎ付け板(5)における椎体の側の面は、長軸の方へと傾斜していることを特徴とする生体埋め込み具。
- 請求項1〜23のいずれかに記載の生体埋め込み具において、継ぎ付け板(5)における埋め込み具部材(2,3)の側の面は、長軸の方へと傾斜していることを特徴とする生体埋め込み具。
- 請求項24に記載の生体埋め込み具において、傾斜角が3°と45°との間であることを特徴とする生体埋め込み具。
- 請求項23〜25のいずれかに記載の生体埋め込み具において、埋め込み具部材(2,3)に対する、長軸まわりの継ぎ付け板(5)の回転位置が固定可能であることを特徴とする生体埋め込み具。
- 請求項26に記載の生体埋め込み具において、継ぎ付け板(5)と埋め込み具部材(2,3)との間には、周方向に、10°〜45°の間隔で係止個所が形成されていることを特徴とする生体埋め込み具。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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DE10311477A DE10311477A1 (de) | 2003-03-15 | 2003-03-15 | Implantat zum Einsetzen zwischen Wirbelkörper der Wirbelsäule |
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JP2004275764A JP2004275764A (ja) | 2004-10-07 |
JP4634055B2 true JP4634055B2 (ja) | 2011-02-16 |
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JP2004066200A Expired - Fee Related JP4634055B2 (ja) | 2003-03-15 | 2004-03-09 | 脊柱の椎体の間に装入する生体埋め込み具 |
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US (1) | US20040210312A1 (ja) |
EP (1) | EP1459710A3 (ja) |
JP (1) | JP4634055B2 (ja) |
DE (1) | DE10311477A1 (ja) |
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Also Published As
Publication number | Publication date |
---|---|
DE10311477A1 (de) | 2004-09-23 |
US20040210312A1 (en) | 2004-10-21 |
EP1459710A2 (de) | 2004-09-22 |
EP1459710A3 (de) | 2004-12-29 |
JP2004275764A (ja) | 2004-10-07 |
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