JP6704408B2 - 脊椎インプラントシステム及び方法 - Google Patents
脊椎インプラントシステム及び方法 Download PDFInfo
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- JP6704408B2 JP6704408B2 JP2017548403A JP2017548403A JP6704408B2 JP 6704408 B2 JP6704408 B2 JP 6704408B2 JP 2017548403 A JP2017548403 A JP 2017548403A JP 2017548403 A JP2017548403 A JP 2017548403A JP 6704408 B2 JP6704408 B2 JP 6704408B2
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- spinal implant
- interbody
- implant system
- implant
- endplate
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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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- 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
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- 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
Landscapes
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Transplantation (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Cardiology (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Veterinary Medicine (AREA)
- Animal Behavior & Ethology (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Public Health (AREA)
- Neurology (AREA)
- Physical Education & Sports Medicine (AREA)
- Physics & Mathematics (AREA)
- Geometry (AREA)
- Manufacturing & Machinery (AREA)
- Prostheses (AREA)
Description
[0065]一部の実施形態では、終板部は、少なくとも2つの異なる生体材料を含む実質的に中実の複合材の構築物である。一部の実施形態では、第1の生体材料は、例えば、チタン、ニチノールを含むチタン合金、タンタル、Co−Cr、及び/又はステンレス鋼の様な金属系材料である。一部の実施形態では、第2の生体材料は、例えば、HA、CP、TCP、HA−CP、HA−TCP、硫酸カルシウム、生体活性ガラス、ポリ乳酸(PLA)ポリマー、ポリグリコール酸(PGA)ポリマー、ポリ乳酸−グリコール酸(PLGA)コポリマー、HA−PLA、HA−PGA、HA−PLGA、マグネシウム、及び/又はHA−マグネシウム複合材の様な、分解吸収性の材料又は複合材である。一部の実施形態では、生体材料は、例えばオッセオインテグレーションのための骨伝導性(osseoconductive)材料を含んでいる。
12 椎体間インプラント
14、14a、14b、16、16a、16b 終板部
18、18a−18j 椎体間基板部
20 椎骨係合面
22 面
24 歯
26 ピン
30、32 終板部の端
40 層構造
42、44 層
50 椎骨係合面
52 面
54 歯
56 ピン
60、62 端
70 層構造
72、74 層
80、82 椎体間基板部の面
84、86 ピンスロット
90 層構造
94 先導端
96 差込端
98 面
100 キャビティ
101、101a、101b、101c 開口部
104 ハンドプレス
106 ハンドル
108 作動器
110、111 ジョー
112 係合部分
114 面
116 スロット
118 溝
120、122 皿穴
130 係合部分
132 面
134 スロット
136 溝
138、140 皿穴
204 卓上型ハンドプレスプレス
206 ハンドル
208 作動器
210、211 ジョー
212、230 係合部分
304 万力
308 作動器
310、311 ジョー
312、330 係合部分
404 超音波溶着プレス
410、411 ジョー
412、430 係合部分
W、w 幅
H、h 厚さ及び/又は高さ
L、l 長さ
V 椎骨
E 終板
Claims (14)
- 組織係合面及び少なくとも1つの係合要素を含む第1の部材、組織係合面及び少なくとも1つの係合要素を含む第2の部材、及び少なくとも1つの係合要素を含む中間の部材、を備えている少なくとも1つの椎体間インプラントと、
隣接する係合要素を係合させて前記中間の部材を前記第1の部材と前記第2の部材のうちの少なくとも一方と固着するために、前記部材のうちの少なくとも1つと接続可能である術中外科用工具と、
を備え、
前記術中外科用工具は、ハンドプレス、卓上型プレス、超音波溶着プレスのような、前記第1の部材と第2の部材とを圧迫する工具を備えている、
脊椎インプラントシステム。 - 前記外科用工具は事前滅菌されている、請求項1に記載の脊椎インプラントシステム。
- 前記外科用工具は、前記中間の部材を前記第1の部材及び前記第2の部材と固着するために当該第1の部材及び当該第2の部材を当該中間の部材との嵌り係合へと圧迫する離間された面を含んでいる、請求項1に記載の脊椎インプラントシステム。
- 前記外科用工具は、前記第1の部材を配置させる構成のキャビティを画定している第1の部分と、前記第2の部材を配置させる構成のキャビティを画定している第2の部分と、を含んでいて、当該部分が前記部材を嵌り係合へと圧迫するようになっている、請求項1に記載の脊椎インプラントシステム。
- 前記部分は部材係合のためのガイドを備えている、請求項4に記載の脊椎インプラントシステム。
- 前記部分は前記第1の部材及び前記第2の部材を前記中間の部材と整列させる、請求項4に記載の脊椎インプラントシステム。
- 前記中間の部材は基板部本体を含んでおり、前記第1の部材及び前記第2の部材はそれぞれ終板部を含んでいる、請求項1に記載の脊椎インプラントシステム。
- 隣接する部材の前記少なくとも1つの係合要素は、少なくとも1つのピンと嵌合式受け入れスロットを備えている、請求項1に記載の脊椎インプラントシステム。
- 前記第1の部材と前記第2の部材のうちの少なくとも一方は複数の層を備えている、請求項1に記載の脊椎インプラントシステム。
- 前記第1の部材と前記第2の部材のうちの少なくとも一方は中実層と多孔質層を備えている、請求項1に記載の脊椎インプラントシステム。
- 更に複数の代わりの第1の部材を備えており、前記複数の代わりの第1の部材は前記中間の部材に応じて入れ替え可能である、請求項1に記載の脊椎インプラントシステム。
- 前記中間の部材と入れ替え可能である複数の代わりの第2の部材を更に備えている請求項11に記載の脊椎インプラントシステム。
- 前記第1の部材及び前記第2の部材と入れ替え可能である複数の代わりの中間の部材を更に備えている請求項1に記載の脊椎インプラントシステム。
- 組織係合面及び少なくとも1つの係合要素をそれぞれが含んでいる複数の代わりの第1の部材を備える少なくとも1つの椎体間インプラントと、
組織係合面及び少なくとも1つの係合要素をそれぞれが含んでいる複数の代わりの第2の部材と、
少なくとも1つの係合要素を含んでいる中間の部材と、
隣接する係合要素を係合させ前記中間の部材を前記第1の部材と前記第2の部材のうちの少なくとも一方と固着するために、前記部材のうちの少なくとも1つと接続可能である術中外科用工具と、
を備え、
前記術中外科用工具は、ハンドプレス、卓上型プレス、超音波溶着プレスのような、前記第1の部材と第2の部材とを圧迫する工具を備えている、
脊椎インプラントシステムであって、
前記複数の第1の部材と前記複数の第2の部材が前記中間の部材と入れ替え可能である、
脊椎インプラントシステム。
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