JP2017531523A - 棘突起間癒合型インプラント - Google Patents
棘突起間癒合型インプラント Download PDFInfo
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- JP2017531523A JP2017531523A JP2017521592A JP2017521592A JP2017531523A JP 2017531523 A JP2017531523 A JP 2017531523A JP 2017521592 A JP2017521592 A JP 2017521592A JP 2017521592 A JP2017521592 A JP 2017521592A JP 2017531523 A JP2017531523 A JP 2017531523A
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- 238000000034 method Methods 0.000 title claims abstract description 181
- 230000008569 process Effects 0.000 title claims abstract description 180
- 230000004927 fusion Effects 0.000 title claims abstract description 77
- 239000007943 implant Substances 0.000 title claims abstract description 44
- 210000000988 bone and bone Anatomy 0.000 claims abstract description 44
- 230000008878 coupling Effects 0.000 claims abstract description 25
- 238000010168 coupling process Methods 0.000 claims abstract description 25
- 238000005859 coupling reaction Methods 0.000 claims abstract description 25
- 125000006850 spacer group Chemical group 0.000 claims abstract description 9
- 230000002093 peripheral effect Effects 0.000 claims description 9
- 238000000926 separation method Methods 0.000 abstract description 3
- 230000035876 healing Effects 0.000 abstract 1
- 238000003780 insertion Methods 0.000 description 8
- 230000037431 insertion Effects 0.000 description 8
- 230000000694 effects Effects 0.000 description 7
- 230000007246 mechanism Effects 0.000 description 6
- 210000005036 nerve Anatomy 0.000 description 6
- 210000004556 brain Anatomy 0.000 description 3
- 210000001032 spinal nerve Anatomy 0.000 description 3
- 208000031481 Pathologic Constriction Diseases 0.000 description 2
- 229940036811 bone meal Drugs 0.000 description 2
- 239000002374 bone meal Substances 0.000 description 2
- 210000003041 ligament Anatomy 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 208000005198 spinal stenosis Diseases 0.000 description 2
- 230000036262 stenosis Effects 0.000 description 2
- 208000037804 stenosis Diseases 0.000 description 2
- 238000001356 surgical procedure Methods 0.000 description 2
- 208000008558 Osteophyte Diseases 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000005786 degenerative changes Effects 0.000 description 1
- 230000003412 degenerative effect Effects 0.000 description 1
- 210000004262 dental pulp cavity Anatomy 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000002324 minimally invasive surgery Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
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- A61B17/70—Spinal positioners or stabilisers ; Bone stabilisers comprising fluid filler in an implant
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- 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
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- 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
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- 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
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- 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
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- A61F2/4425—Intervertebral or spinal discs, e.g. resilient made of articulated components
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Abstract
Description
、上側羽根を構成する左側羽根は、ボルト頭部と上位プレートとの間に露出するボルト胴体に結合され、下側羽根を構成する左側羽根は、ボルト頭部と下位プレートとの間に露出するボルト胴体に結合され、上側羽根を構成する右側羽根と下側羽根を構成する右側羽根とは、他側に露出したボルト胴体に結合されることができる。
プレート22の場合も同様である。
回転して広がるようになる。
及び結合させる作業が完了することになる。
20 スペーサ
21 上位プレート
21a、22a 貫通ホール
22 下位プレート
23a、23b 骨癒合孔
25 固定突起
30 上部棘突起結合手段
31 第1の回転棒
32、33 上側羽根
32a、33a、42a、43a 棘突起固定スパイク
34、44 ボルト頭部
35、45 締結ナット
36、46 固定ナット
40 下部棘突起結合手段
41 第2の回転棒
42、43 下側羽根
Claims (11)
- 上部棘突起と下部棘突起との間に挿入されるインプラントであって、上位プレートと下位プレートとの一端が連結されて「コ」字又は「U」字状で形成され、棘突起間に挿入されて弾性力を提供するスペーサと、上位プレートを上部棘突起に密着結合させる上部棘突起結合手段と、下位プレートを下部棘突起に密着結合させる下部棘突起結合手段とを備え、上位プレートは、上部棘突起と癒合されて動くように上位プレートの上面から底面を貫通して形成される1つ以上の骨癒合孔を備え、下位プレートは、下部棘突起と癒合されて動くように下位プレートの上面から底面を貫通して形成される1つ以上の骨癒合孔を備えることを特徴とする棘突起間癒合型インプラント。
- 上位プレートで骨癒合孔が形成されていない上位プレートの上面には、上部棘突起と締結されるように固定突起が複数形成され、下位プレートで骨癒合孔が形成されていない下位プレートの底面には、下部棘突起と締結されるように固定突起が複数形成されることを特徴とする請求項1に記載の棘突起間癒合型インプラント。
- 前記骨癒合孔が形成される部分に対応する上位プレートの側面部は、前記骨癒合孔と連結されるように上位プレートの側面部を貫通して形成される骨癒合孔をさらに備え、前記骨癒合孔が形成される部分に対応する下位プレートの側面部は、前記骨癒合孔と連結されるように下位プレートの側面部を貫通して形成される骨癒合孔をさらに備えることを特徴とする請求項1に記載の棘突起間癒合型インプラント。
- 前記上部棘突起結合手段は、上位プレートの側面を貫通して形成された貫通ホールに挿入されて回転する第1の回転棒により上方に回転した後、上部棘突起の両側面で密着して上部棘突起に結合され、前記下部棘突起結合手段は、下位プレートの側面を貫通して形成された貫通ホールに挿入されて回転する第2の回転棒により下方に回転した後、下部棘突起の両側面で密着して下部棘突起に結合されることを特徴とする請求項1に記載の棘突起間癒合型インプラント。
- 第1の回転棒に貫通結合された上側羽根が上方に回転し、第2の回転棒に貫通結合された下側羽根が下方に回転し、上側羽根と下側羽根とが各々第1の回転棒と第2の回転棒上で互いに密着して締結されることにより、上側羽根に備えられた複数の棘突起固定スパイクと下側羽根に備えられた複数の棘突起固定スパイクとが上部棘突起と下部棘突起とに差し込まれることを特徴とする請求項4に記載の棘突起間癒合型インプラント。
- 前記上位プレートの側面を貫通して形成された貫通ホールと下位プレートの側面を貫通して形成された貫通ホールとは互いに外れた位置に形成されて、第1の回転棒が第2の回転棒より前方に備えられ、第1の回転棒と第2の回転棒とを同じ方向に回転させることにより、第1の回転棒に結合された上側羽根が上方に回転し、第2の回転棒に結合された下側羽根が下方に回転することを特徴とする請求項5に記載の棘突起間癒合型インプラント。
- 上側羽根と下側羽根との下部には、各々第1の回転棒及び第2の回転棒が貫通結合される四角形の貫通ホールが形成され、上部には、複数の棘突起固定スパイクが備えられ、第1の回転棒及び第2の回転棒の外周面は、貫通結合された上側羽根と下側羽根とを回転させることができる形状で形成されることを特徴とする請求項5に記載の棘突起間癒合型インプラント。
- 第1の回転棒及び第2の回転棒はボルト状であって、ボルト頭部は、上位プレート及び下位プレートの一側に位置し、ボルト胴体は、貫通ホールを貫通して他側に露出し、上側
羽根を構成する左側羽根は、ボルト頭部と上位プレートとの間に露出するボルト胴体に結合され、下側羽根を構成する左側羽根は、ボルト頭部と下位プレートとの間に露出するボルト胴体に結合され、上側羽根を構成する右側羽根と下側羽根を構成する右側羽根とは、他側に露出するボルト胴体に結合されることを特徴とする請求項5に記載の棘突起間癒合型インプラント。 - 前記左側羽根と右側羽根とに形成された四角形の貫通ホールに結合する部分に対応するボルト胴体の外周面は、ボルト胴体の回転の際、左右側羽根を回転させることができるように平らに削られた面を複数個備えることを特徴とする請求項8に記載の棘突起間癒合型インプラント。
- 前記右側羽根の外側ボルト胴体には締結ナットが結合され、締結ナットを締結することにより、右側羽根がボルト胴体に沿って左側羽根方向へ移動し、次いで、左側羽根もボルト胴体に沿って右側羽根方向へ移動することにより、左側羽根と右側羽根とが互いに向かい合う方向に密着して締結されることを特徴とする請求項8に記載の棘突起間癒合型インプラント。
- 締結ナットにより左右側羽根が密着して締結された後、締結ナットの外側ボルト胴体には固定ナットが結合されることを特徴とする請求項10に記載の棘突起間癒合型インプラント。
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KR10-2014-0142122 | 2014-10-20 | ||
PCT/KR2015/011009 WO2016064147A1 (ko) | 2014-10-20 | 2015-10-19 | 극돌기간 융합형 임플란트 |
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