JP6833800B2 - 拡張式椎体間装置 - Google Patents
拡張式椎体間装置 Download PDFInfo
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- JP6833800B2 JP6833800B2 JP2018242705A JP2018242705A JP6833800B2 JP 6833800 B2 JP6833800 B2 JP 6833800B2 JP 2018242705 A JP2018242705 A JP 2018242705A JP 2018242705 A JP2018242705 A JP 2018242705A JP 6833800 B2 JP6833800 B2 JP 6833800B2
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- interbody device
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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
- 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
- A61F2/30771—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth applied in original prostheses, e.g. holes or grooves
- A61F2002/30878—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth applied in original prostheses, e.g. holes or grooves with non-sharp protrusions, for instance contacting the bone for anchoring, e.g. keels, pegs, pins, posts, shanks, stems, struts
-
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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
- A61F2/02—Prostheses implantable into the body
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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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- A61F2002/3092—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth having an open-celled or open-pored structure
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- A—HUMAN NECESSITIES
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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
- 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
- A61F2002/3093—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth for promoting ingrowth of bone tissue
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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
- A61F2/46—Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor
- A61F2/4603—Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor for insertion or extraction of endoprosthetic joints or of accessories thereof
- A61F2002/4622—Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor for insertion or extraction of endoprosthetic joints or of accessories thereof having the shape of a forceps or a clamp
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- A—HUMAN NECESSITIES
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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
- A61F2/02—Prostheses implantable into the body
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- A61F2002/4625—Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor for insertion or extraction of endoprosthetic joints or of accessories thereof with relative movement between parts of the instrument during use
- A61F2002/4627—Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor for insertion or extraction of endoprosthetic joints or of accessories thereof with relative movement between parts of the instrument during use with linear motion along or rotating motion about the instrument axis or the implantation direction, e.g. telescopic, along a guiding rod, screwing inside the instrument
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- A—HUMAN NECESSITIES
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- A61F2310/00—Prostheses classified in A61F2/28 or A61F2/30 - A61F2/44 being constructed from or coated with a particular material
- A61F2310/00005—The prosthesis being constructed from a particular material
- A61F2310/00011—Metals or alloys
- A61F2310/00017—Iron- or Fe-based alloys, e.g. stainless steel
-
- 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
- A61F2310/00—Prostheses classified in A61F2/28 or A61F2/30 - A61F2/44 being constructed from or coated with a particular material
- A61F2310/00005—The prosthesis being constructed from a particular material
- A61F2310/00011—Metals or alloys
- A61F2310/00023—Titanium or titanium-based alloys, e.g. Ti-Ni alloys
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- 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
- A61F2310/00—Prostheses classified in A61F2/28 or A61F2/30 - A61F2/44 being constructed from or coated with a particular material
- A61F2310/00005—The prosthesis being constructed from a particular material
- A61F2310/00011—Metals or alloys
- A61F2310/00029—Cobalt-based alloys, e.g. Co-Cr alloys or Vitallium
-
- 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
- A61F2310/00—Prostheses classified in A61F2/28 or A61F2/30 - A61F2/44 being constructed from or coated with a particular material
- A61F2310/00005—The prosthesis being constructed from a particular material
- A61F2310/00179—Ceramics or ceramic-like structures
-
- 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
- A61F2310/00—Prostheses classified in A61F2/28 or A61F2/30 - A61F2/44 being constructed from or coated with a particular material
- A61F2310/00005—The prosthesis being constructed from a particular material
- A61F2310/00179—Ceramics or ceramic-like structures
- A61F2310/00185—Ceramics or ceramic-like structures based on metal oxides
- A61F2310/00203—Ceramics or ceramic-like structures based on metal oxides containing alumina or aluminium oxide
-
- 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
- A61F2310/00—Prostheses classified in A61F2/28 or A61F2/30 - A61F2/44 being constructed from or coated with a particular material
- A61F2310/00005—The prosthesis being constructed from a particular material
- A61F2310/00179—Ceramics or ceramic-like structures
- A61F2310/00185—Ceramics or ceramic-like structures based on metal oxides
- A61F2310/00239—Ceramics or ceramic-like structures based on metal oxides containing zirconia or zirconium oxide ZrO2
-
- 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
- A61F2310/00—Prostheses classified in A61F2/28 or A61F2/30 - A61F2/44 being constructed from or coated with a particular material
- A61F2310/00389—The prosthesis being coated or covered with a particular material
- A61F2310/00395—Coating or prosthesis-covering structure made of metals or of alloys
- A61F2310/00407—Coating made of titanium or of Ti-based alloys
Landscapes
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Neurology (AREA)
- Transplantation (AREA)
- Life Sciences & Earth Sciences (AREA)
- Public Health (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Cardiology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Veterinary Medicine (AREA)
- Physical Education & Sports Medicine (AREA)
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Prostheses (AREA)
- Surgical Instruments (AREA)
Description
本出願は、2013年12月5日に出願された米国仮特許出願第61/912,360号と、2013年12月5日に出願された米国仮特許出願第61/912,432号とに優先権の恩恵を主張する2014年7月16日に出願された米国特許出願第14/333,336号の継続であり、これらの内容は、本明細書において参照により、それらの全体において組み込まれている。
20 椎間腔
30 椎骨
100 拡張式椎体間装置
102 外側構造体
104 内側構造体
106 ネジ機構
108 上面
110 下面
112 前側部
114 後側部
116 左側部、右側部
118 中心開口
120 開口、スロット、溝
122 スロット
124 斜面部、湾曲部
126 上面
128 下面
130 前側部
132 後側部
134 左側部、右側部
136 中心開口
138 近位ネジ付き穴
140 遠位ネジ付き穴
142 突起、歯
150 近位区分
152 遠位区分
154 軸材
156 内部孔
158 雄ネジ山部
160 近位円形頭部
162 円筒係合部
164 球状面
166 遠位円形頭部
168 雄ネジ山部
170 キー付き軸材
172 球状面
200 拡張式椎体間装置
202 外側構造体
204 内側構造体
204a 内側部
204b 下方フランジ部
206 ネジ機構
208 上面
210 下面
212 前側部
214 後側部
216 左側部、右側部
218 中心開口
220 開口、スロット、溝
222 穴
223 スロット
224 傾斜部
226 上面
228 下面
230a 前側部
230b 前側部
232a 後側部
232b 後側部
234a 左側部、右側部
234b 左側部、右側部
236 中心開口
238 ネジ付き穴
240 ネジ付き穴
242 突起、歯
250 近位区分
252 遠位区分
254 軸材
258 近位ネジ山、雄ネジ山部
260 開口、頭部
264 近位斜面部品
268 遠位ネジ山、雄ネジ山部
272 遠位斜面部品
300 拡張式椎体間装置
302 上方構造体
304 下方構造体
306 ネジ機構
308 上面
312 遠位側部
314 近位側部
316 左側部、右側部
318 スロット
319 マーカー
320 凹所
322 ネジ開口
324 傾斜面、斜面部
328 下面
330 遠位側部
332 近位側部
334 左側部、右側部
336 スロット
337 マーカー
342 突起、歯
350 近位区分
352 遠位区分
356 孔
358 ネジ付き部
359 注入穴
360 頭部
361 駆動作用面
364 傾斜面、円錐台形面
366 頭部
368 ネジ付き部
370 軸材
372 傾斜面、円錐台形面
380 結合体
382 近位穴
384 遠位穴
386 突起
388 開口
390 開口
400 展開工具
400' 展開工具
401 遠位側
402 腕部
402' 腕部
403 近位側
404 突起
406 軸材
408 把持部
410 鞘体
412 並進機構
414 ネジ山
420 作動装置
422 軸材
424 ノブ
426 駆動部
430 導管
432 送達通路
432' 通路
500 拡張式椎体間装置
502 上方構造体
504 下方構造体
506 ネジ機構
512 遠位側部
514 近位側部
522 ネジ開口
524 傾斜面
530 遠位側部
532 近位側部
540 挿入体
542 第1の区分
544 第2の区分
545 切り欠き
546 第1の面
548 第2の面
550 近位区分
552 遠位区分
564 傾斜面
572 傾斜面
580 結合体
H1 高さ
H2 高さ
H3 高さ
H4 高さ
H5 距離
H6 距離
L1 長さ
L2 長さ
L3 長さ
L4 長さ
L5 長さ
L6 長さ
Claims (18)
- 隣接する椎骨同士の間に置くための拡張式椎体間装置であって、
上方近位傾斜面および上方遠位傾斜面を備える上方構造体と、
下方近位傾斜面および下方遠位傾斜面を備え、前記上方構造体と滑動可能に結合するように構成される下方構造体と、
前記上方構造体と前記下方構造体との間にあるネジ機構であって、
近位円錐台形面を備える近位区分、
遠位円錐台形面を備える遠位区分、ならびに、
前記近位区分と係合するように構成される近位側部、および、前記遠位区分と係合するように構成される遠位側部を備える結合体を備え、
前記遠位区分の一部および前記近位区分の一部が互いに滑動可能に係合し、それによって前記近位区分および前記遠位区分が、前記ネジ機構の長さを第1の長さから第2の長さへと変化させるために、一体として回転する、ネジ機構と
を備え、
前記上方構造体および前記下方構造体を第1の距離から第2の距離へと移動するために、前記近位円錐台形面が、前記上方近位傾斜面および前記下方近位傾斜面に力を与えるように構成され、前記遠位円錐台形面が、前記上方遠位傾斜面および前記下方遠位傾斜面に力を与えるように構成される、拡張式椎体間装置。 - 前記結合体が、前記近位区分および前記遠位区分が回転されるとき、前記結合体が回転するのを防止するために、前記上方構造体および/または前記下方構造体に係合するように構成される少なくとも1つの回転防止特徴部をさらに備える、請求項1に記載の装置。
- 前記近位区分が、前記結合体における近位ネジ付き穴と係合するように構成される第1の方向で巻回される第1のネジ山を備え、前記遠位区分が、前記結合体における遠位ネジ付き穴と係合するように構成される、前記第1の方向と反対の第2の方向で巻回される第2のネジ山を備える、請求項1に記載の装置。
- 前記ネジ機構が作動されるとき、前記拡張式椎体間装置の近位端が前記拡張式椎体間装置の遠位端と同じ速さで高さを変化させるように、前記第1のネジ山および前記第2のネジ山が同じピッチを有する、請求項3に記載の装置。
- 前記ネジ機構が作動されるとき、前記拡張式椎体間装置の近位端が前記拡張式椎体間装置の遠位端と異なる速さで高さを変化させるように、前記第1のネジ山および前記第2のネジ山が異なるピッチを有する、請求項3に記載の装置。
- 前記上方構造体および/または前記下方構造体が、複数の突起または歯をさらに備える、請求項1に記載の装置。
- 前記上方構造体および/または前記下方構造体が、多孔質面または粗面を含む椎骨係合面を備える、請求項1に記載の装置。
- 前記椎骨係合面がチタン被膜を備える、請求項7に記載の装置。
- 前記近位区分が、前記拡張式椎体間装置の駆動作用面および内部空洞と流体連通する少なくとも1つの穴を備える、請求項1に記載の装置。
- 展開工具と結合するように構成され、前記拡張式椎体間装置の内部空洞と流体連通する穴を備える少なくとも1つの凹所をさらに備える、請求項1に記載の装置。
- 前記遠位区分が、前記近位区分においての合致するキー付き孔と滑動可能に係合するように構成されるキー付き軸材を備える、請求項1に記載の装置。
- 前記近位円錐台形面と前記上方近位傾斜面との間、前記近位円錐台形面と前記下方近位傾斜面との間、前記遠位円錐台形面と前記上方遠位傾斜面との間、および前記遠位円錐台形面と前記下方遠位傾斜面との間のうちの1つまたは複数に配置される1つまたは複数の挿入体をさらに備える、請求項1に記載の装置。
- 前記上方構造体の遠位部分と前記下方構造体の遠位部分とが弾丸形を有する、請求項1に記載の装置。
- 隣接する椎骨同士の間に置くための拡張式椎体間装置であって、
上方構造体と、
前記上方構造体と滑動可能に結合するように構成される下方構造体と、
前記上方構造体と前記下方構造体との間にあるネジ機構であって、近位区分および遠位区分を備えるネジ機構と
を備え、
前記遠位区分の一部および前記近位区分の一部が互いに滑動可能に係合し、それによって前記近位区分および前記遠位区分が、前記ネジ機構の長さを第1の長さから第2の長さへと変化させるために、一体として回転し、
前記ネジ機構の前記長さにおける前記変化が、流体、薬剤、骨移植材料、同種移植片、および脱塩骨基質のうちの1つまたは複数によって充填される室を形成するために、前記上方構造体と前記下方構造体との間の距離を第1の距離から第2の距離へと変化させる、拡張式椎体間装置。 - 脊椎安定化を実施するためのキットであって、
隣接する椎骨同士の間に置くための請求項1〜14のいずれか1項に記載の拡張式椎体間装置であって、拡張構成において室を備える拡張式椎体間装置と、
隣接する椎骨同士の間に前記拡張式椎体間装置を送達するための展開工具であって、前記拡張式椎体間装置に解除可能に取り付け可能である遠位部分、および、外科的切開の外側に延びるように構成される近位部分を備える展開工具と
を備え、
前記近位部分が、前記展開工具を通じて延びる通路への開口を備え、前記展開工具の前記遠位部分と流体連通し、前記通路が、前記外科的切開の外側から前記拡張式椎体間装置の前記室へと物質を移送することができる、キット。 - 前記拡張式椎体間装置の近位区分が、前記室と流体連通する少なくとも1つの穴を備える、請求項15に記載のキット。
- 前記拡張式椎体間装置が、前記室と流体連通する孔を含む少なくとも1つの凹所をさらに備える、請求項15に記載のキット。
- 前記展開工具が、前記少なくとも1つの凹所に取り付けるように構成される腕部を備え、さらに、前記少なくとも1つの凹所を通じて前記拡張式椎体間装置の前記室へと物質を送達するために、前記腕部の先端へと延びる1つまたは複数の通路を備える、請求項17に記載のキット。
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JP2021065735A (ja) * | 2013-12-05 | 2021-04-30 | スパイナル・エレメンツ・インコーポレーテッド | 拡張式椎体間装置 |
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