JP4431491B2 - 膝の関節形成のための大腿要素 - Google Patents
膝の関節形成のための大腿要素 Download PDFInfo
- Publication number
- JP4431491B2 JP4431491B2 JP2004506687A JP2004506687A JP4431491B2 JP 4431491 B2 JP4431491 B2 JP 4431491B2 JP 2004506687 A JP2004506687 A JP 2004506687A JP 2004506687 A JP2004506687 A JP 2004506687A JP 4431491 B2 JP4431491 B2 JP 4431491B2
- Authority
- JP
- Japan
- Prior art keywords
- femur
- femoral
- femoral element
- resected
- condyle
- 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.)
- Expired - Fee Related
Links
- 210000000689 upper leg Anatomy 0.000 title claims description 178
- 210000003127 knee Anatomy 0.000 title description 20
- 238000011882 arthroplasty Methods 0.000 title description 11
- 210000000629 knee joint Anatomy 0.000 claims description 9
- 210000002303 tibia Anatomy 0.000 claims description 7
- 238000000034 method Methods 0.000 description 12
- 238000002271 resection Methods 0.000 description 12
- 239000002639 bone cement Substances 0.000 description 7
- 239000000463 material Substances 0.000 description 7
- ORQBXQOJMQIAOY-UHFFFAOYSA-N nobelium Chemical compound [No] ORQBXQOJMQIAOY-UHFFFAOYSA-N 0.000 description 7
- 210000004417 patella Anatomy 0.000 description 6
- 230000000295 complement effect Effects 0.000 description 4
- 230000000149 penetrating effect Effects 0.000 description 3
- 238000001356 surgical procedure Methods 0.000 description 3
- 229920004943 Delrin® Polymers 0.000 description 2
- 238000002788 crimping Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 230000000717 retained effect Effects 0.000 description 2
- 239000004696 Poly ether ether ketone Substances 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 230000008468 bone growth Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 239000002657 fibrous material Substances 0.000 description 1
- CNQCVBJFEGMYDW-UHFFFAOYSA-N lawrencium atom Chemical compound [Lr] CNQCVBJFEGMYDW-UHFFFAOYSA-N 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 1
- 229920002530 polyetherether ketone Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000004926 polymethyl methacrylate Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000011883 total knee arthroplasty Methods 0.000 description 1
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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
- 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
- A61F2/30767—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth
- A61F2/30907—Nets or sleeves applied to surface of prostheses or in cement
- A61F2002/30909—Nets
-
- 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
- A61F2/3094—Designing or manufacturing processes
- A61F2002/30975—Designing or manufacturing processes made of two halves
-
- 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
- A61F2220/0041—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements using additional screws, bolts, dowels or rivets, e.g. connecting screws
-
- 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
- A61F2220/005—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements using adhesives
-
- 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
- A61F2230/0004—Rounded shapes, e.g. with rounded corners
-
- 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
- A61F2230/0004—Rounded shapes, e.g. with rounded corners
- A61F2230/0013—Horseshoe-shaped, e.g. crescent-shaped, C-shaped, U-shaped
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- Health & Medical Sciences (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Physical Education & Sports Medicine (AREA)
- Cardiology (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Transplantation (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (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)
- Surgical Instruments (AREA)
Description
従って、膝関節形成術に使用される大腿要素は、嵩張らないで、手術中に大きな切開部を必要としないものが求められる。また、切除された大腿骨に確実に固定されて、取り付けが容易な大腿要素が求められている。
本発明の他の態様によると、大腿骨の先端部において外側顆と内側顆を切除して形成された関節面に装着され、脛骨側と連結されて、関節をなす人工膝関節の大腿要素は、前記切除された関節面を覆って該関節面に係合する内面と、該内面から外側に連続して延び、脛骨側と連結される連接面とを有し、かつ、U字形の横断面を有する本体と、前記本体を大腿骨と係合させるために、該本体の前端から内方へ突出する第1係合リップと、前記本体の内面に形成されるネジ穴とを備え、該ネジ穴に対して、前記大腿骨を貫通して前記大腿要素に延びる装着部材の先端部に形成されたネジ部分が螺合されることを特徴とする。
本発明の別の態様によると、大腿骨の先端部において外側顆と内側顆を切除して形成された関節面に装着され、脛骨側と連結されて、関節をなす人工膝関節の大腿要素は、前記切除された関節面を覆って該関節面に係合する内面と、該内面から外側に連続して延び、脛骨側と連結される連接面とを有し、かつ、U字形の横断面を有する本体と、前記本体は少なくとも2つの連結された部分からなることと、前記本体の内面に形成されるネジ穴とを備え、該ネジ穴に対して、前記大腿骨を貫通して前記大腿要素に延びる装着部材の先端部に形成されたネジ部分が螺合されることとを特徴とする。
図3において、人工膝関節システム20は、(i)任意の第2装着部材38と、(ii)大腿要素22が大腿骨60の切除された関節面64に係合され、第2装着部材38が切除された関節面64の内側面又は外側面を貫通すると、第2装着部材38を大腿要素22に連結するために、大腿要素22の内面26に形成された手段(例えば、第2ネジ穴34)とを有する。
本発明の装着部材の例としては、大腿要素22の内面26に係合するように大腿骨60を貫通して可動されるスクリュー、ボルト、ピンや他の留め具がある。1つ以上の装着部材36,38は、1つ以上のネジ穴32,34にそれぞれ装着されてもよい。一実施例において、装着部材は、図3に示すように、それぞれ、大腿要素の対向する面上にある。上記したように、他の実施例において、装着部材は大腿要素の同じ面に取り付けられてもよい(図4参照)。これらの装着部材は、ネジ穴を有することにより(図3参照)、又は、図4について以下に説明するように、留め具が貫通又は係合するように、内面42上に材料を配置、収容、係合することにより、内面26に係合されてもよい。
図6は、図3及び図5の大腿要素22の斜視図を示しており、同要素22は図5の切除された大腿骨60に取り付けられ、同大腿骨60を貫通して大腿要素22に延びる装着部材36(主に破線で示される)を有し、大腿要素22を大腿骨60に固定する。この装着部材は、大腿要素22を大腿骨60の方へしっかりと引き寄せて固定する。
他の実施例において、図12及び図13について述べたように、第1部分は、ほぼU字形の後側顆162を有し、第2部分は、ほぼU字形の前側顆164を有する。
大腿要素161は、(i)ほぼU字形であって、前端165と対向する後端167との間にそれぞれ延びる外側面163と対向する内側面166とを有する外側顆162と、(ii)ほぼU字形であって、前端171と対向する後端173との間にそれぞれ延びる外側面168と対向する内側面169とを有する内側顆164とを備える。内側顆164の外側面168は、外側顆162の内側面166と係合するように構成されて、スロット179が後端において内側顆と外側顆との間に形成される。
図15A乃至図16Bは、本発明の他の分離型の大腿要素の分解図及び組立図を示しており、同要素は突起を使用して各部分を連結する。2つの部分は、別々に切開部を通って内側面又は外側面に摺動されてから、連結され大腿骨の切除部に取り付けられる。任意で、一方が大腿部の切除面に取り付けられてから、他方がそこに連結されて大腿部の切除面に取り付けられてもよい。
本発明の装置及び方法に関しては、2003年5月23日付けの米国特許出願第10/444927号明細書(発明者:ダニエル エフ.ジャスティン及びイー.マーロウ ゴーブル(Daniel F. Justin andE. Marlowe Goble )、発明の名称:「膝の関節形成のためのモジュール式大腿要素」"Modular Femoral Components for Knee Arthroplasty")において更に開示されており、その開示された内容は、本願においても開示されたものとする。
Claims (7)
- 大腿骨の先端部において外側顆と内側顆を切除して形成された関節面に装着され、脛骨側と連結されて、関節をなす人工膝関節の大腿要素であって、
前記切除された関節面を覆って該関節面に係合する内面と、該内面から外側に連続して延び、脛骨側と連結される連接面とを有し、かつ、U字形の横断面を有する本体と、
前記本体を大腿骨と係合させるために、該本体の前端から内方へ突出する第1係合リップと、
前記本体の内面に形成されるネジ穴とを備え、該ネジ穴に対して、前記大腿骨を貫通して前記大腿要素に延びる装着部材の先端部に形成されたネジ部分が螺合されることを特徴とする大腿要素。 - 前記本体を大腿骨と係合させるために、該本体の後端から内方へ突出する第2係合リップを更に備える請求項1に記載の大腿要素。
- 前記本体は後端近傍において、スロットを挟んで外側顆及び内側顆を有する請求項1又は2に記載の大腿要素。
- 前記本体は少なくとも2つの連結された部分からなる請求項1乃至3のいずれか1項に記載の大腿要素。
- 大腿骨の先端部において外側顆と内側顆を切除して形成された関節面に装着され、脛骨側と連結されて、関節をなす人工膝関節の大腿要素であって、
前記切除された関節面を覆って該関節面に係合する内面と、該内面から外側に連続して延び、脛骨側と連結される連接面とを有し、かつ、U字形の横断面を有する本体と、前記本体は少なくとも2つの連結された部分からなることと、
前記本体の内面に形成されるネジ穴とを備え、該ネジ穴に対して、前記大腿骨を貫通して前記大腿要素に延びる装着部材の先端部に形成されたネジ部分が螺合されることとを特徴とする大腿要素。 - 前記本体の前端及び後端は互いに向かって内方へ突出する請求項5に記載の大腿要素。
- 前記本体は後端近傍において、スロットを挟んで外側顆及び内側顆を有する請求項5又は6に記載の大腿要素。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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US38334802P | 2002-05-24 | 2002-05-24 | |
PCT/US2003/016503 WO2003099159A2 (en) | 2002-05-24 | 2003-05-23 | Femoral components for knee arthroplasty |
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JP2005527294A JP2005527294A (ja) | 2005-09-15 |
JP2005527294A5 JP2005527294A5 (ja) | 2006-07-13 |
JP4431491B2 true JP4431491B2 (ja) | 2010-03-17 |
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JP2004506635A Expired - Fee Related JP4364792B2 (ja) | 2002-05-24 | 2003-05-23 | 膝の関節形成のためのモジュール式大腿要素 |
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JP (2) | JP4431491B2 (ja) |
CN (2) | CN1652734A (ja) |
AU (2) | AU2003233691B2 (ja) |
CA (2) | CA2484522C (ja) |
DE (1) | DE10392660T5 (ja) |
ES (1) | ES2315044B1 (ja) |
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US10278827B2 (en) | 2015-09-21 | 2019-05-07 | Zimmer, Inc. | Prosthesis system including tibial bearing component |
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CN110402123B (zh) | 2017-03-10 | 2022-02-08 | 捷迈有限公司 | 具有胫骨支承部件紧固特征的胫骨假体 |
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2003
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AU2003239872A1 (en) | 2003-12-12 |
DE10392660T5 (de) | 2005-09-01 |
WO2003099106A2 (en) | 2003-12-04 |
CA2484522A1 (en) | 2003-12-04 |
GB2405347B (en) | 2006-08-23 |
CA2484522C (en) | 2011-08-02 |
GB2405347A (en) | 2005-03-02 |
JP2005527288A (ja) | 2005-09-15 |
JP2005527294A (ja) | 2005-09-15 |
CN1655739A (zh) | 2005-08-17 |
JP4364792B2 (ja) | 2009-11-18 |
EP1509174A4 (en) | 2011-04-27 |
CA2486552A1 (en) | 2003-12-04 |
ES2315044B1 (es) | 2009-12-30 |
EP1509174A2 (en) | 2005-03-02 |
WO2003099159A2 (en) | 2003-12-04 |
GB0425295D0 (en) | 2004-12-15 |
EP1507495A2 (en) | 2005-02-23 |
ES2315044A1 (es) | 2009-03-16 |
WO2003099106A3 (en) | 2004-03-18 |
AU2003233691A1 (en) | 2003-12-12 |
EP1507495A4 (en) | 2011-02-02 |
CA2486552C (en) | 2011-01-11 |
AU2003239872B2 (en) | 2008-05-22 |
AU2003233691B2 (en) | 2008-03-06 |
CN1652734A (zh) | 2005-08-10 |
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