JP2007530182A - 椎間板プロテーゼまたは人口椎体 - Google Patents
椎間板プロテーゼまたは人口椎体 Download PDFInfo
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- JP2007530182A JP2007530182A JP2007505352A JP2007505352A JP2007530182A JP 2007530182 A JP2007530182 A JP 2007530182A JP 2007505352 A JP2007505352 A JP 2007505352A JP 2007505352 A JP2007505352 A JP 2007505352A JP 2007530182 A JP2007530182 A JP 2007530182A
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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
-
- 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
- A61F2/4425—Intervertebral or spinal discs, e.g. resilient made of articulated components
-
- 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
- A61F2/30721—Accessories
- A61F2/30742—Bellows or hose-like seals; Sealing membranes
-
- 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
- A61F2002/30329—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements
- A61F2002/30331—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements made by longitudinally pushing a protrusion into a complementarily-shaped recess, e.g. held by friction fit
- A61F2002/30362—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements made by longitudinally pushing a protrusion into a complementarily-shaped recess, e.g. held by friction fit with possibility of relative movement between the protrusion and the recess
- A61F2002/30369—Limited lateral translation of the protrusion within a larger recess
-
- 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
- A61F2002/30565—Special structural features of bone or joint prostheses not otherwise provided for having spring elements
- A61F2002/30566—Helical springs
-
- 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
- A61F2002/30565—Special structural features of bone or joint prostheses not otherwise provided for having spring elements
- A61F2002/30571—Leaf springs
-
- 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
- A61F2/4425—Intervertebral or spinal discs, e.g. resilient made of articulated components
- A61F2002/443—Intervertebral or spinal discs, e.g. resilient made of articulated components having two transversal endplates and at least one intermediate component
-
- 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
Abstract
【選択図】 図1
Description
本発明は請求項1の特徴を有す椎間板プロテーゼまたは人工椎体以って、与えられた課題を解決する。
− 小さな圧力の場合、十分に大きな弾性的柔軟性および減衰が保証されている。それによってその範囲の椎体の十分な移動自由度が保証される。
− 大きな圧力負荷または衝撃負荷の場合、圧力を吸収するために大きなばね変位が必要ない。
− 健康な脊椎節とプロテーゼを取り付けた脊椎節との間の剛性段差は調和的に減衰されるため、健康な椎間板の場合のような挙動が達成される。
特別な実施形態においては、弾性手段のために復元装置が備えられている。前記復元装置によって皿ばねは滑り落ちることがなく、その位置に維持される。さらに復元装置により、寄せ合った皿ばねが非常に大きな力を吸収することができ、安全性に寄与する。
それ以外の実施形態において、復元装置は柔軟に形成されているため円錐範囲内では軸案内にもなっている。それによって得られる利点は、椎間板プロテーゼは同軸に弾性的に形成されているばかりではなく、同格板が斜め、または回動的に相対して移動が可能である。
それ以外の実施形態において、皿ばねは中心穴を有し、復元装置は内部の、前記穴によって実現された蛇腹として形成されている。
それ以外の実施形態において、皿ばねが、同方向に層状に重ねられた複数の皿ばねの皿ばねパケットに統合されている。これは累進的ばね特性曲線が皿ばねから成るばねのみで造られるという利点を有す。蛇腹と組み合わせると、ばね特性曲線に付加的に影響を与え得るという付加的な利点が生まれる。
それ以外の実施形態において、中央部分は引張りばねとしても圧縮ばねとしても有効な同軸に配置されたばねを含む。それによってコイルばねは捻り力も吸収できる。
それ以外の実施形態において、中央部分は外側に蛇腹から成る外郭を有す。前記外郭は体液の侵入を防ぐ。
それ以外の実施形態において、中央部分は嵌合具によって2枚の同格板に緩嵌可能である。
前記移動は優先的には±0.5mmである。こうして滑り軸受けを通じて、皿ばねの収容を通じて、およびプロテーゼの縦軸周り±30°の回動を通じて全6自由度をカバーする。
それ以外の実施形態においては、皿ばねはその圧縮を限定するストッパーを有す。前記ストッパーは皿ばねを過負荷から保護する。これによって皿ばねに過剰な負荷を与えることなく大きな力を収容できる。
図1は、発明による椎間板プロテーゼの、ひとつの実施形態の中央横断面である。
図2は、発明による椎間板プロテーゼの、それ以外の実施形態の中央横断面である。
6 中心縦軸 7 上部同格板 8 下部同格板 19 弾性手段
20 皿ばね
Claims (14)
- 椎間板プロテーゼ(1)または脊椎間インプラントであって
A)中心縦軸(6)、上端部(4)および下端部(5)を伴う中央部(2)を含み、
B)前記中央部(2)の前記上端部(4)に、前記縦軸(6)に直角に配置され、椎体の基板への装着に好適な上部同格板(7)を含み、
C)前記中央部(2)の前記下端部(5)に、前記縦軸(6)に直角に配置され、椎体の覆板への装着に好適な下部同格板(8)を含み、およびそこで
D)前記中央部(2)が弾性手段(19)を含み
E)前記弾性手段(19)が累進的なばね特性曲線を示すこと
F)前記弾性手段(19)のために復元装置を備えること
を特徴とする椎間板プロテーゼまたは脊椎間インプラント。 - 弾性手段(19)が少なくとも2つの、同軸に配置された皿ばね(20)を含むことを特徴とする請求項1に記載の椎間板プロテーゼ(1)。
- 前記皿ばね(20)の少なくとも2つが、異なる剛性を示すことを特徴とする請求項2に記載の椎間板プロテーゼ(1)。
- 前記皿ばね(20)が、同方向に層状に重ねられた複数の皿ばね(20)が皿ばねパケット(22)に編組されていることを特徴とする請求項2または3に記載の椎間板プロテーゼ(1)。
- 中央部(2)が中空体状に形成されていることを特徴とする請求項1から4のいずれか一項に記載の椎間板プロテーゼ(1)。
- 前記復元装置が柔軟に形成されていること、および軸案内が円錐範囲内に形成されていることを特徴とする請求項1から5のいずれか一項に記載の椎間板プロテーゼ(1)。
- 皿ばね(20)が中心孔(24)を有すこと、および復元装置が内部の、前記中心孔(24)によって案内された蛇腹として形成されていることを特徴とする請求項1から6のいずれか一項に記載の椎間板プロテーゼ(1)。
- 中央部(2)が、引張りばねとしても圧縮ばねとしても有効な、同軸に配置されたばね(18)を含むことを特徴とする請求項1から7のいずれか一項に記載の椎間板プロテーゼ(1)。
- 軸方向のばね変位がX≠0になるまで、前記ばね(18)のみが両同格板(7、8)に留まることを特徴とする請求項8に記載の椎間板プロテーゼ(1)。
- 中央部(2)が外側に、蛇腹(12)から成る外郭(3)を有すことを特徴とする請求項1から9のいずれか一項に記載の椎間板プロテーゼ(1)。
- 中央部(2)が嵌合具によって2つ同格板(7,8)と緩嵌していることを特徴とする請求項1から10のいずれか一項に記載の椎間板プロテーゼ(1)。
- 前記同格板(7,8)が、優先的には磁器材料から成る滑り軸受け(25)を通して、中央部(2)と結合していることを特徴とする請求項1から11のいずれか一項に記載の椎間板プロテーゼ(1)。
- 前記滑り軸受け(25)が、同格板(7,8)が中央部(2)に対向して縦軸(6)に直角に限定移動ができるように形成されていることを特徴とする請求項12に記載の椎間板プロテーゼ(1)。
- 皿ばね(20)が、その圧縮を制限するストッパーを有すことを特徴とする請求項2から13のいずれか一項に記載の椎間板プロテーゼ(1)。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/CH2004/000210 WO2005094733A1 (de) | 2004-04-02 | 2004-04-02 | Bandscheibenprothese oder künstlicher wirbelkörper |
Publications (2)
Publication Number | Publication Date |
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JP2007530182A true JP2007530182A (ja) | 2007-11-01 |
JP4734321B2 JP4734321B2 (ja) | 2011-07-27 |
Family
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Application Number | Title | Priority Date | Filing Date |
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JP2007505352A Expired - Fee Related JP4734321B2 (ja) | 2004-04-02 | 2004-04-02 | 椎間板プロテーゼまたは人口椎体 |
Country Status (14)
Country | Link |
---|---|
US (1) | US8057546B2 (ja) |
EP (1) | EP1729691B1 (ja) |
JP (1) | JP4734321B2 (ja) |
KR (1) | KR101041668B1 (ja) |
CN (1) | CN100508915C (ja) |
AT (1) | ATE466549T1 (ja) |
AU (1) | AU2004318051A1 (ja) |
BR (1) | BRPI0418698A (ja) |
CA (1) | CA2563181C (ja) |
DE (1) | DE502004011144D1 (ja) |
ES (1) | ES2341248T3 (ja) |
NZ (1) | NZ550176A (ja) |
PL (1) | PL1729691T3 (ja) |
WO (1) | WO2005094733A1 (ja) |
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WO2013023098A1 (en) | 2011-08-09 | 2013-02-14 | Neuropro Spinal Jaxx Inc. | Bone fusion device, apparatus and method |
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- 2004-04-02 AU AU2004318051A patent/AU2004318051A1/en not_active Abandoned
- 2004-04-02 DE DE502004011144T patent/DE502004011144D1/de not_active Expired - Lifetime
- 2004-04-02 CA CA2563181A patent/CA2563181C/en not_active Expired - Fee Related
- 2004-04-02 PL PL04725265T patent/PL1729691T3/pl unknown
- 2004-04-02 BR BRPI0418698-2A patent/BRPI0418698A/pt not_active Application Discontinuation
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Also Published As
Publication number | Publication date |
---|---|
EP1729691A1 (de) | 2006-12-13 |
NZ550176A (en) | 2009-09-25 |
AU2004318051A1 (en) | 2005-10-13 |
ATE466549T1 (de) | 2010-05-15 |
CA2563181A1 (en) | 2005-10-13 |
JP4734321B2 (ja) | 2011-07-27 |
CA2563181C (en) | 2011-03-22 |
KR20070032642A (ko) | 2007-03-22 |
KR101041668B1 (ko) | 2011-06-14 |
BRPI0418698A (pt) | 2007-06-12 |
PL1729691T3 (pl) | 2010-10-29 |
WO2005094733A1 (de) | 2005-10-13 |
CN1925816A (zh) | 2007-03-07 |
CN100508915C (zh) | 2009-07-08 |
DE502004011144D1 (de) | 2010-06-17 |
EP1729691B1 (de) | 2010-05-05 |
US20070067038A1 (en) | 2007-03-22 |
US8057546B2 (en) | 2011-11-15 |
ES2341248T3 (es) | 2010-06-17 |
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