JP6672543B2 - 顎関節脱臼防止具 - Google Patents
顎関節脱臼防止具 Download PDFInfo
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- JP6672543B2 JP6672543B2 JP2017009788A JP2017009788A JP6672543B2 JP 6672543 B2 JP6672543 B2 JP 6672543B2 JP 2017009788 A JP2017009788 A JP 2017009788A JP 2017009788 A JP2017009788 A JP 2017009788A JP 6672543 B2 JP6672543 B2 JP 6672543B2
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- JP
- Japan
- Prior art keywords
- temporomandibular joint
- prevention tool
- dislocation prevention
- joint
- attachment portion
- 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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- 210000001738 temporomandibular joint Anatomy 0.000 title claims description 102
- 206010023204 Joint dislocation Diseases 0.000 title claims description 79
- 230000002265 prevention Effects 0.000 title claims description 70
- 210000003582 temporal bone Anatomy 0.000 claims description 45
- 230000033001 locomotion Effects 0.000 claims description 36
- 238000000034 method Methods 0.000 claims description 22
- 210000000988 bone and bone Anatomy 0.000 claims description 20
- 230000008569 process Effects 0.000 claims description 19
- 230000001105 regulatory effect Effects 0.000 claims description 18
- 210000004359 mandibular condyle Anatomy 0.000 claims description 11
- 239000000463 material Substances 0.000 claims description 10
- 210000004373 mandible Anatomy 0.000 claims description 6
- 229910001069 Ti alloy Inorganic materials 0.000 claims description 5
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 5
- 239000000919 ceramic Substances 0.000 claims description 5
- 229910052588 hydroxylapatite Inorganic materials 0.000 claims description 5
- XYJRXVWERLGGKC-UHFFFAOYSA-D pentacalcium;hydroxide;triphosphate Chemical compound [OH-].[Ca+2].[Ca+2].[Ca+2].[Ca+2].[Ca+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O XYJRXVWERLGGKC-UHFFFAOYSA-D 0.000 claims description 5
- 239000011347 resin Substances 0.000 claims description 5
- 229920005989 resin Polymers 0.000 claims description 5
- 239000010936 titanium Substances 0.000 claims description 5
- 229910052719 titanium Inorganic materials 0.000 claims description 5
- 239000010935 stainless steel Substances 0.000 claims description 4
- 229910001220 stainless steel Inorganic materials 0.000 claims description 4
- 230000000670 limiting effect Effects 0.000 claims description 2
- 210000001847 jaw Anatomy 0.000 description 12
- 230000003449 preventive effect Effects 0.000 description 6
- 230000002829 reductive effect Effects 0.000 description 6
- 208000006386 Bone Resorption Diseases 0.000 description 5
- 230000024279 bone resorption Effects 0.000 description 5
- 230000004048 modification Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 239000004698 Polyethylene Substances 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 239000000835 fiber Substances 0.000 description 3
- 239000007943 implant Substances 0.000 description 3
- 210000003041 ligament Anatomy 0.000 description 3
- 210000003205 muscle Anatomy 0.000 description 3
- -1 polyethylene Polymers 0.000 description 3
- 229920000573 polyethylene Polymers 0.000 description 3
- 238000001356 surgical procedure Methods 0.000 description 3
- 230000002123 temporal effect Effects 0.000 description 3
- 125000002066 L-histidyl group Chemical group [H]N1C([H])=NC(C([H])([H])[C@](C(=O)[*])([H])N([H])[H])=C1[H] 0.000 description 2
- 206010067268 Post procedural infection Diseases 0.000 description 2
- 206010048232 Yawning Diseases 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 210000000281 joint capsule Anatomy 0.000 description 2
- 235000013372 meat Nutrition 0.000 description 2
- 210000001519 tissue Anatomy 0.000 description 2
- 210000000216 zygoma Anatomy 0.000 description 2
- 208000028911 Temporomandibular Joint disease Diseases 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 238000013170 computed tomography imaging Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 210000000416 exudates and transudate Anatomy 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 210000003784 masticatory muscle Anatomy 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000003387 muscular Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 230000035882 stress Effects 0.000 description 1
Images
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- Prostheses (AREA)
Description
2 取付部
21 貫通孔
22 取付部密着面
25 突起部
26 孔形成領域
27 孔間領域
3 移動制限部
4 基端部
41 取付部側端部
42 先端部側端部
43 基端部密着面
5 先端部
51 密着面
52 規制面
52a 傾斜面
60 下顎骨
61 下顎頭
62 頬骨突起
63 下顎窩
64 側頭骨関節隆起
65 眼窩
Claims (8)
- 顎関節前方脱臼を防止する顎関節脱臼防止具であって、
側頭骨の頬骨突起外側面における側頭骨関節隆起近傍に取り付けられるプレート状の取付部と、下顎頭の前方移動を制限する移動制限部とを備えており、
前記移動制限部は、前記取付部に接続する基端部、及び、前記基端部から延びて側頭骨関節隆起の下端側に回り込んで配置される先端部を備えており、
前記先端部は、側頭骨関節隆起の表面に沿って密着する密着面と、前記密着面の反対側に設けられ、下顎頭の前方移動を規制する規制面とを備えており、
前記規制面は、下顎頭の前方移動方向に向かうに従い、前記密着面から離隔する方向に傾斜する傾斜面を備えていることを特徴とする顎関節脱臼防止具。 - 前記規制面は、下顎骨側に向けて凸であり、該下顎頭の前方移動方向に沿う湾曲面状であることを特徴とする請求項1に記載の顎関節脱臼防止具。
- 前記基端部は、側頭骨関節隆起の表面に沿って密着する基端部密着面を備えていることを特徴とする請求項1又は2記載の顎関節脱臼防止具。
- 前記取付部は、頬骨突起外側面に沿って密着する取付部密着面を備えていることを特徴とする請求項1から3のいずれかに記載の顎関節脱臼防止具。
- 前記取付部は、頬骨突起の上端面側に回り込み、該上端面に係合する突起部を備えていることを特徴とする請求項1から4のいずれかに記載の顎関節脱臼防止具。
- 前記取付部は、骨に固定されるスクリューが貫通する貫通孔を備える請求項1から5のいずれかに記載の顎関節脱臼防止具。
- 前記基端部は、前記先端部側の幅寸法に対して前記取付部側が幅広に形成されていることを特徴とする請求項1から6のいずれかに記載の顎関節脱臼防止具。
- 前記取付部及び前記移動制限部は、チタン、チタン合金、ステンレス、ハイドロキシアパタイト、セラミック及び繊維強化樹脂からなる群より選択される材料により一体的に形成されている請求項1から7のいずれかに記載の顎関節脱臼防止具。
Priority Applications (1)
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JP2017009788A JP6672543B2 (ja) | 2017-01-23 | 2017-01-23 | 顎関節脱臼防止具 |
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JP2017009788A JP6672543B2 (ja) | 2017-01-23 | 2017-01-23 | 顎関節脱臼防止具 |
Publications (2)
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JP2018117711A JP2018117711A (ja) | 2018-08-02 |
JP6672543B2 true JP6672543B2 (ja) | 2020-03-25 |
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JP2017009788A Active JP6672543B2 (ja) | 2017-01-23 | 2017-01-23 | 顎関節脱臼防止具 |
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Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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WO2022062141A1 (zh) * | 2020-09-25 | 2022-03-31 | 上海交通大学医学院附属第九人民医院 | 一种用于阻挡颞下颌关节前脱位的固定板 |
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