JP2016539746A - 母指手根中手関節のプロテーゼのための取付部材及び接続部材、並びに母指手根中手関節のプロテーゼ - Google Patents
母指手根中手関節のプロテーゼのための取付部材及び接続部材、並びに母指手根中手関節のプロテーゼ Download PDFInfo
- Publication number
- JP2016539746A JP2016539746A JP2016539185A JP2016539185A JP2016539746A JP 2016539746 A JP2016539746 A JP 2016539746A JP 2016539185 A JP2016539185 A JP 2016539185A JP 2016539185 A JP2016539185 A JP 2016539185A JP 2016539746 A JP2016539746 A JP 2016539746A
- Authority
- JP
- Japan
- Prior art keywords
- opening
- screw
- end portion
- joint
- metacarpal bone
- 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
- 210000003813 thumb Anatomy 0.000 title claims abstract description 36
- 210000000236 metacarpal bone Anatomy 0.000 claims abstract description 84
- 230000000295 complement effect Effects 0.000 claims description 27
- 210000000988 bone and bone Anatomy 0.000 claims description 16
- 238000003780 insertion Methods 0.000 claims description 7
- 230000037431 insertion Effects 0.000 claims description 7
- 238000005452 bending Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000004696 Poly ether ether ketone Substances 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 229920002530 polyetherether ketone Polymers 0.000 description 3
- 210000002411 hand bone Anatomy 0.000 description 2
- 238000002513 implantation Methods 0.000 description 2
- 201000008482 osteoarthritis Diseases 0.000 description 2
- 238000002054 transplantation Methods 0.000 description 2
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- 229910001182 Mo alloy Inorganic materials 0.000 description 1
- 239000002639 bone cement Substances 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 239000007943 implant Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910001092 metal group alloy Inorganic materials 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000002040 relaxant effect Effects 0.000 description 1
- 210000003189 scaphoid bone Anatomy 0.000 description 1
- 210000002474 sphenoid bone Anatomy 0.000 description 1
- 238000002560 therapeutic procedure Methods 0.000 description 1
Images
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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
- A61F2/42—Joints for wrists or ankles; for hands, e.g. fingers; for feet, e.g. toes
- A61F2/4261—Joints for wrists or ankles; for hands, e.g. fingers; for feet, e.g. toes for wrists
- A61F2002/4271—Carpal bones
- A61F2002/4274—Distal carpal row, i.e. bones adjacent the metacarpal bones
- A61F2002/4276—Trapezium
-
- 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
- A61F2/4637—Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor for connecting or disconnecting two parts of a prosthesis
- A61F2002/4638—Tools for performing screwing, e.g. nut or screwdrivers, or particular adaptations therefor
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- Health & Medical Sciences (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Transplantation (AREA)
- Vascular Medicine (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Cardiology (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
2 (第2の中手骨2Mのための)取付部材
3 (第1の中手骨1Mのための)取付部材
4 ネジ状部品
4a ネジ部
5 ネジ状部品
5a ネジ部
6 球状関節要素
7 関節ソケット要素
8 ロック装置
9 (ロック装置8のための)開口部
9a 錐状テーパー部分(相補的部分)
9b ネジ部分(相補的部分)
9c 中間部分
10 (球状関節要素6のための)開口部
11 ロックピン
11a 一方の端部分
11aa 相補的部分
11ab 相補的部分
11b 他方の端部分
11ba ネジ部分
11bb 非ネジ部分
11bc ストッパ部分
12 取付ピン
13 取付ピン
13a 部分
13b 部分
14 (接続部材16の)開口部
15 (接続部材16の)開口部
15a 部分
15b 部分
16 接続部材
16a 一方の端部分
16b 他方の端部分
16c 一方の面
16d 他方の面
17 ロック手段
18 調整手段
19 調整手段
20 底部
21 嵌め込み式取付部
22 フック状部品
23 表面
24 部分
26 突起
27 開口部
28 カラー
29 錐状部分
30 対応する錐状部分
31 関節面(案内面)
32 ボール
33 関節面(案内面)
34 器具
1M 第1の中手骨
2M 第2の中手骨
Claims (22)
- 母指手根中手関節のプロテーゼのための取付部材において、
前記取付部材(2)が、第2の中手骨(2M)に螺入することによって取り付けられるように構成されているネジ状部品(4)と、前記第2の中手骨(2M)のための前記取付部材(2)を第1の中手骨(1M)のための取付部材(3)に接続するために、前記ネジ状部品(4)を前記プロテーゼの接続部材(16)にロックするように構成されているロック装置(8)とを備えており、
前記ロック装置(8)が、ロックピン(11)とロック手段(17)とを備えており、前記ロックピン(11)の一方の端部分(11a)が、前記ネジ状部品(4)に取り付けられており、前記ロックピン(11)の他方の端部分(11b)が、前記接続部材(16)の開口部(14)に挿入されるように構成されており、前記ロック手段(17)が、前記ロックピン(11)を前記接続部材(16)にロックするように構成されていることを特徴とする取付部材。 - 前記ロックピン(11)の前記一方の端部分(11a)と前記ネジ状部品(4)とが、前記ロックピン(11)が前記ネジ状部品(4)と一体になるように構成されていることを特徴とする請求項1に記載の取付部材。
- 前記ロックピン(11)の前記一方の端部分(11a)が、前記ロックピン(11)を前記ネジ状部品(4)に取り付けるために前記ネジ状部品(4)の開口部(9)に挿入されるように構成されていることを特徴とする請求項1に記載の取付部材。
- 前記ネジ状部品(4)の前記開口部(9)と前記ロックピン(11)の前記一方の端部分(11a)とが、前記ロックピン(11)を前記ネジ状部品(4)に取り付けるための相補的部分(9a,9b,11aa,11ab)それぞれを具備して構成されていることを特徴とする請求項3に記載の取付部材。
- 前記ネジ状部品(4)の前記開口部(9)が、錐状外側部分(9a)及び雌ネジ部分(9b)とを具備して構成されており、前記ロックピン(11)の前記一方の端部分(11a)が、前記ロックピン(11)を前記ネジ状部品(4)に取り付けるためのネジ部を具備した錐状の相補的部分(11aa,11ab)それぞれを具備して構成されていることを特徴とする請求項4に記載の取付部材。
- 前記ロックピン(11)の前記他方の端部分(11b)が、相補的なネジ部を具備するロック手段(17)を介して係合することによって、前記ロックピン(11)を接続部材(16)にロックするために、前記接続部材(16)の開口部(14)に挿入されるためのネジ部分(11ba)と、前記ネジ部分(11ba)に隣接している非ネジ部分(11bb)であって、前記開口部(14)に挿入するための前記非ネジ部分(11bb)と、前記接続部材(16)を前記開口部(14)の周囲に係合するように構成されている前記非ネジ部分(11bb)に隣接しているストッパ部分(11bc)とを具備して構成されていることを特徴とする請求項1〜5のいずれか一項に記載の取付部材。
- 前記ロック手段(17)が、ナット(17)として、前記ナット(17)が前記接続部材(16)に係合すると共に前記ロックピン(11)の前記他方の端部分(11b)の前記ストッパ部分(11bc)が前記接続部材(16)に係合するまで、前記ロックピン(11)の前記他方の端部分(11b)のネジ部分(11ba)に螺合するように構成されていることを特徴とする請求項6に記載の取付部材。
- 前記ロックピン(11)の前記他方の端部分(11b)の前記ストッパ部分(11bc)が、前記接続部材(16)の前記開口部(14)の周囲において相補的な調整手段(19)と係合することによって前記接続部材(16)を前記取付部材(2)に対して調整するための、調整手段(18)を具備して構成されていることを特徴とする請求項7に記載の取付部材。
- 母指手根中手関節のプロテーゼのための接続部材において、
前記接続部材が、桿体状の弧状要素(16)とされ、前記弧状要素(16)が、前記弧状要素(16)の一方の端部分(16a)において、請求項1〜8のいずれか一項に記載の前記第2の中手骨(2M)のための前記取付部材(2)に接続するための開口部(14)を具備して構成されており、前記弧状要素(16)の他方の端部分(16b)において、前記第1の中手骨(1M)のための前記取付部材(3)の球状関節要素(6)に接続するための関節ソケット要素を具備して構成されていることを特徴とする接続部材。 - 母指手根中手関節のプロテーゼのための接続部材において、
前記接続部材が、桿体状の弧状要素(16)を備えており、前記弧状要素(16)が、前記弧状要素(16)の一方の端部分(16a)において、請求項1〜6のいずれか一項に記載の前記第2の中手骨(2M)のための前記取付部材(2)に接続するための開口部(14)を具備して構成されており、前記弧状要素(16)の他方の端部分(16b)において、前記第1の中手骨(1M)のための前記取付部材(3)に接続するための開口部(15)を具備して構成されていることを特徴とする接続部材。 - 桿体状の前記弧状要素(16)の前記一方の端部分(16a)の前記開口部(14)が、前記弧状要素(16)の一方の面(16c)から前記開口部(14)に挿入するための貫通孔として、且つ、前記第2の中手骨(2M)のための前記取付部材(2)の前記ロック装置(8)の前記ロックピン(11)の前記他方の端部分(11b)の前記弧状要素(16)の他方の面(16d)においてロックするための前記貫通孔として構成されていることを特徴とする請求項9又は10に記載の接続部材。
- 桿体状の前記弧状要素(16)の前記一方の端部分(16a)の前記開口部(14)が、前記弧状要素(16)の挿入面(16c)において、前記取付部材(2)の前記ロック装置(8)の前記ロックピン(11)の前記他方の端部分(11b)において相補的な調整手段(18)と係合することによって前記接続部材を前記第2の中手骨(2M)のための前記取付部材(2)に対して調整するための、調整手段(19)によって囲まれていることを特徴とする請求項11に記載の接続部材。
- 桿体状の前記弧状要素(16)の前記他方の端部分(16b)の前記開口部(15)が、前記第1の中手骨(1M)のための前記取付部材(3)の関節ソケット要素(7)の取付ピン(13)を前記開口部(15)に挿入するように構成されていることを特徴とする請求項10〜12のいずれか一項に記載の接続部材。
- 桿体状の前記弧状要素(16)の前記他方の端部分(16b)の前記開口部(15)が、前記関節ソケット要素(7)の前記取付ピン(13)の相補的部分(13a)と共に桿体状の前記弧状要素(16)の前記関節ソケット要素(7)の固定を可能とする部分(15a)を具備して構成されていることを特徴とする請求項13に記載の接続部材。
- 桿体状の前記弧状要素(16)の前記他方の端部分(16b)の前記開口部(15)が、その底部(20)において、相補的な嵌め込み部分(22)を介して前記関節ソケット要素(7)の前記取付ピン(13)に係合するための嵌め込み式取付部(21)を備えていることを特徴とする請求項14に記載の接続部材。
- 桿体状の前記弧状要素(16)の前記他方の端部分(16b)の前記開口部(15)が、前記関節ソケット要素(7)のソケットを形成している部分(24)の相補的部分(26)と共に桿体状の前記弧状要素(16)に対する前記関節ソケット要素(7)の回転を防止する部分(25)を具備して構成されていることを特徴とする請求項13〜15のいずれか一項に記載の接続部材。
- 桿体状の前記弧状要素(16)の前記他方の端部分(16b)の前記開口部(15)が、桿体状の前記弧状要素(16)に対する前記関節ソケット要素(7)の回転を防止するために少なくとも1つの相補的な突起(26)によって前記関節ソケット要素(7)のソケットを形成している前記部分(24)の外面に係合するためのすくなとも1つの凹所(25)を具備して構成されている前記開口部に対して、穴の内側に配置されていることを特徴とする請求項16に記載の接続部材。
- 桿体状の前記弧状要素(16)の前記他方の端部分(16b)の前記開口部(15)が、前記関節ソケット要素(7)及び前記弧状要素(16)を共に押圧することによって前記関節ソケット要素(7)と桿体状の前記弧状要素(16)とが互いに対して取り付けられるように、前記関節ソケット要素(7)の相補的に構成された取付ピン(13)との圧入を形成するように構成されていることを特徴とする請求項14に記載の接続部材。
- 桿体状の前記弧状要素(16)の前記他方の端部分(16b)の前記開口部(15)が、前記関節ソケット要素(7)の錐状に形成された取付ピン(13)と嵌合するように錐状に形成されていることを特徴とする請求項13〜18のいずれか一項に記載の接続部材。
- 桿体状の前記弧状要素(16)の前記他方の端部分(16b)が、大菱形骨として構成されていることを特徴とする請求項9〜19のいずれか一項に記載の接続部材。
- 請求項1〜8のいずれか一項に記載の第2の中手骨(2)のための取付部材(2)と、
母指関節において第1の中手骨(1M)に螺入することによって取り付けられるように構成されているネジ状部品(5)又は前記第1の中手骨に挿入及び取り付けるように構成されているネジ部を有しないステム状部分と、球状関節要素(6)と、を具備する取付部材(3)と、
前記第2の中手骨(2M)のための前記取付部材(2)を前記第1の中手骨(1M)のための前記取付部材(3)に接続するための、請求項9,11,12,及び20のうちいずれか一項に記載の接続部材(16)と、
を備えていることを特徴とする母指手根中手関節のプロテーゼ。 - 請求項1〜8のいずれか一項に記載の第2の中手骨(2M)のための取付部材(2)と、
母指関節において第1の中手骨(1M)に螺入することによって取り付けられるように構成されているネジ状部品(5)又は前記第1の中手骨(1M)に挿入及び取り付けるように構成されているネジ部を有しないステム状部分と、球状関節要素(6)及び対応する関節ソケット要素(7)と、を具備する取付部材(3)と、
前記第2の中手骨(2M)のための前記取付部材(2)を前記第1の中手骨(1M)のための前記取付部材(3)に接続するための、請求項10〜20のいずれか一項に記載の接続部材(16)と、
を備えていることを特徴とする母指手根中手関節のプロテーゼ。
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EP3205311A1 (en) | 2016-02-10 | 2017-08-16 | National University of Ireland, Galway | An implant for a bone joint |
US10799365B1 (en) | 2019-03-25 | 2020-10-13 | Loci Orthopaedics Limited | Bone joint implants |
DK3914194T3 (da) * | 2019-03-25 | 2022-12-19 | Loci Orthopaedics Ltd | Hemi-artroplastik-knogleledsimplantat |
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