JP6430708B2 - リンクされたロッキング機構を備える調整可能な伸延ケージ - Google Patents
リンクされたロッキング機構を備える調整可能な伸延ケージ Download PDFInfo
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- JP6430708B2 JP6430708B2 JP2014050074A JP2014050074A JP6430708B2 JP 6430708 B2 JP6430708 B2 JP 6430708B2 JP 2014050074 A JP2014050074 A JP 2014050074A JP 2014050074 A JP2014050074 A JP 2014050074A JP 6430708 B2 JP6430708 B2 JP 6430708B2
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- Prior art keywords
- implant
- support
- spinal implant
- locking
- lock support
- 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.)
- Expired - Fee Related
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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
- 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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- A61F2/30—Joints
- A61F2/44—Joints for the spine, e.g. vertebrae, spinal discs
- A61F2/4455—Joints for the spine, e.g. vertebrae, spinal discs for the fusion of spinal bodies, e.g. intervertebral fusion of adjacent spinal bodies, e.g. fusion cages
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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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- A61F2002/30329—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements
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- A61F2002/3052—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements with possibility of relative movement between the prosthetic parts unrestrained in only one direction, e.g. moving unidirectionally
- A61F2002/30522—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements with possibility of relative movement between the prosthetic parts unrestrained in only one direction, e.g. moving unidirectionally releasable, e.g. using a releasable ratchet
-
- 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
- A61F2002/30001—Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
- A61F2002/30316—The prosthesis having different structural features at different locations within the same prosthesis; Connections between prosthetic parts; Special structural features of bone or joint prostheses not otherwise provided for
- A61F2002/30329—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements
- A61F2002/30518—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements with possibility of relative movement between the prosthetic parts
- A61F2002/30523—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements with possibility of relative movement between the prosthetic parts by means of meshing gear teeth
- A61F2002/30525—Worm gears
-
- 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
- A61F2002/30001—Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
- A61F2002/30316—The prosthesis having different structural features at different locations within the same prosthesis; Connections between prosthetic parts; Special structural features of bone or joint prostheses not otherwise provided for
- A61F2002/30535—Special structural features of bone or joint prostheses not otherwise provided for
- A61F2002/30537—Special structural features of bone or joint prostheses not otherwise provided for adjustable
- A61F2002/30556—Special structural features of bone or joint prostheses not otherwise provided for adjustable for adjusting thickness
-
- 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
- A61F2002/30001—Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
- A61F2002/30316—The prosthesis having different structural features at different locations within the same prosthesis; Connections between prosthetic parts; Special structural features of bone or joint prostheses not otherwise provided for
- A61F2002/30535—Special structural features of bone or joint prostheses not otherwise provided for
- A61F2002/30579—Special structural features of bone or joint prostheses not otherwise provided for with mechanically expandable devices, e.g. fixation devices
-
- 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
- A61F2002/30001—Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
- A61F2002/30316—The prosthesis having different structural features at different locations within the same prosthesis; Connections between prosthetic parts; Special structural features of bone or joint prostheses not otherwise provided for
- A61F2002/30535—Special structural features of bone or joint prostheses not otherwise provided for
- A61F2002/30581—Special structural features of bone or joint prostheses not otherwise provided for having a pocket filled with fluid, e.g. liquid
-
- 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
- A61F2002/30001—Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
- A61F2002/30316—The prosthesis having different structural features at different locations within the same prosthesis; Connections between prosthetic parts; Special structural features of bone or joint prostheses not otherwise provided for
- A61F2002/30535—Special structural features of bone or joint prostheses not otherwise provided for
- A61F2002/30589—Sealing means
-
- 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
- A61F2002/30001—Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
- A61F2002/30316—The prosthesis having different structural features at different locations within the same prosthesis; Connections between prosthetic parts; Special structural features of bone or joint prostheses not otherwise provided for
- A61F2002/30535—Special structural features of bone or joint prostheses not otherwise provided for
- A61F2002/30601—Special structural features of bone or joint prostheses not otherwise provided for telescopic
-
- 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
- A61F2/30767—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
- A61F2002/30772—Apertures or holes, e.g. of circular cross section
- A61F2002/30774—Apertures or holes, e.g. of circular cross section internally-threaded
-
- 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
- A61F2/30767—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
- A61F2002/30841—Sharp anchoring protrusions for impaction into the bone, e.g. sharp pins, spikes
-
- 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
- A61F2/30767—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
- A61F2002/30841—Sharp anchoring protrusions for impaction into the bone, e.g. sharp pins, spikes
- A61F2002/30845—Sharp anchoring protrusions for impaction into the bone, e.g. sharp pins, spikes with cutting edges
-
- 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
- A61F2/30767—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
- A61F2002/30904—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth applied in original prostheses, e.g. holes or grooves serrated profile, i.e. saw-toothed
-
- 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
- A61F2310/00017—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
-
- 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
Landscapes
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Heart & Thoracic Surgery (AREA)
- Cardiology (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Transplantation (AREA)
- Neurology (AREA)
- Vascular Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Prostheses (AREA)
Description
10、10A、10B、10C、10D、10E、10F、10G、10H、10I、10J、10K、10L、10M、10N、10P、10R、10S インプラント
11 ハウジング
11A 中心部材
12 ハウジングベース
13 上部端板
14 底部端板
15 内部キャビティ
16 シリンダー
17 上部ロック支持体
17A 先行作動する上部ロック支持体
17B 追従する上部ロック支持体
18 多段式の下部支持面
19 位置合わせ用ボス
20、20c 下部ロック支持体
20a 3組式の下部ロック支持体
20A 先行作動する下部ロック支持体
20b 相互組合せ用下部ロック支持体
20B 追従する下部ロック支持体
21、21a 多段式の上部支持面
21b 相互組合せ用上部支持面
21c 傾斜支持面
22 ピストン
23 シール部材
24 底部端板の上面
25 ロッキングアクチュエータチャネル
26、26c ロッキングアクチュエータ
27 アーチ形スロット
28 ロッキングアクチュエータ伝達要素
29a、29c 伝達要素タブ
30 スプリングロッキングアクチュエータの前方端部
31 外壁
32 前端ノーズ
33 送達用ボス
34 側部先細面
35 上部先細面
36 底部先細面
37 送達具固定装置
38 ロック解除ポート
40 側面開口部
41 圧力チャネル
42 ロッキングアクチュエータ開口部
44 ストラット
45 シール用ボス
46 下部位置合わせ面
47、47a、47b 上部位置合わせ面
50、50a ロック支持ストップ
50b 相互組合せ用ストップ
52 下部ロックストップレリーフ
53、54 抑制タブ
60 骨係合固定装置
60A スパイク
60B ブレード
60C かかりの付いたスパイク
62 先端
63 側方骨係合固定装置
64 ねじ部材
65 固定装置
66 上部端板
68 孔
70 ねじ表面
71 ねじ山
72 骨係合部材
74 上部ピストン
76 上部ピストンシール
78 中間シリンダー
80 ロッキングアクチュエータ案内チャネル、中間ピストン
82 上部ロック支持体
84、86 下部ロック支持体
88 上部骨係合面
90 円錐状固定装置
92 ベローズ
93 カム押し上げ機構
94 ベローズオリフィス
95 カム面
96 カム
97 上面
98 回転シャフト
99 シャフト支持体
110 インプラント
111 ハウジング
113 関節式上部端板
117 上部ロック支持体
120 下部ロック支持体
122a 遠位ピストン
122b 近位ピストン
137 圧力入力ポート
138 ロックおよびロック解除アクセスポート
160 送達具固定装置
170 ウォーム歯車
172 押し上げねじ
174 下部押し上げねじ山
176 伝達歯車
178 シャフト入力端部
180 上部押し上げナット
182 上部押し上げねじ山
186 支持用ボス
188 ハウジングベアリング
193 ねじ押し上げ機構
202 リンキング要素、リンク
204 取付溝
206 リンクピン
208 チャネルカバー
210 インプラント、リンクチャネル
211 ハウジング
212、212a ロック解除用つなぎ綱
213 境界上部プレート
214 ロック解除用つなぎ綱の近位端部
216 内部シリンダー、ロック解除ポート
217 上部ロック支持体
218 下部支持面
220 下部ロック支持体、歯車付きの底面
221 上部支持面
222 ピストン、ロッキングポート
222a、b 回転ピストン
223 シール
224 シャフト
226A、226B スレッドギヤ
228 鍵付き頭部
230 係合ピン
232 受けスロット
238 圧力入力ポート
246 下部位置合わせ面
247 上部位置合わせ面
270 ピストン捕捉プレート
271 ピストンヘッド
273 下部保持形体
310 インプラント
311 ハウジング
313 上部端板
314 ベース
317 上部ロック支持体
320 下部ロック支持体
322 ピストン
410 インプラント
411 ハウジング
412 ベース
413 上部端板
416 シリンダー
417 上部ロック支持体
420 下部ロック支持体
422 ピストン
510 インプラント
512 ベース
513 上部端板
517 爪
518 自由端部
520 凹部
521 ラチェット
522 ピストン
610 インプラント
617 爪
618 歯
621 ラチェット
710 インプラント
711 ハウジング
717 上部ロック支持体
718 支持面
721 凹状支持面
722 ピストン
775 上部ロック支持拘束体
817 上部ロック支持体
818 支持面
820 下部ロック支持体
821 上部支持面
917 上部ロック支持体
918 支持面
920 下部ロック支持体
970 上部ロッククリアランス開口部
1017 上部ロック支持体
1018 支持面
1020 下部ロック支持体
1021 上部支持面
1070 旋回ピン
1071 爪
1117 上部ロック支持体
1118 支持面
1120 下部ロック支持体
1217 上部ロック支持体
1218 支持面
1220 下部ロック支持体
1221 支持面
1270 旋回顎
1273 グリップベース延長部
1317 上部ロック支持体
1318、1321 支持面
1320 下部ロック支持体
1417 上部ロック支持体
1418 外部支持面
1420 下部ロック支持体
1421 支持面
1470 端部
1517 上部ロック支持体
1518 下部支持面
1520 下部ロック支持体
1521 上部支持面
1570 上部ロッククリアランス開口部
1617 上部ロック支持体
1618、1621 支持面
1620 下部ロック支持体
1717 上部ロック支持体
1718 下部支持面
1720 下部ロック支持体
1721 上部支持面
1722 ピストン
1810 インプラント
1811 ハウジング
1813 上部プレート
1814 底部プレート
1816 シリンダー
1817 上部ロッキング部材
1818、1821 支持面
1820 下部ロッキング部材
1822 ピストン
1910、1910a インプラント
1917、1917a 上部ロッキング部材
1918、1918a 支持面
1919a 係合解除面
1920、1920a 下部ロッキング部材
1921、1921a ロッキング面
1970、1970a 溝
2001A、2001B 球状突起
2002A、2002B 合わせポケット
2003A、2003B 垂直拘束体、幅広部分
2004A、2004B チャネル
2005A、2005B 狭小部分、垂直拘束体
2006A、2006B 分割リング
2101A 遠位枢動ピン
2101B 近位枢動ピン
2222 遠位ピストン上部プレート
2223 近位ピストン上部プレート
2240、2244 水平の椎骨係合面
2242、2246 角度のつけられた椎骨係合面
Claims (15)
- 第1椎体と第2椎体との間に配置される脊椎インプラントにおいて、
第1椎体に係合する面を有する少なくとも1つの第1の部材;
前記第1の部材と協働しかつ第2椎体に係合する面を有する第2の部材;
少なくとも1つの第1の伸長可能な支持要素と1つの第2の伸長可能な支持要素であって、それぞれが、上椎体と下椎体との間でのインプラントの展開を容易にする各々の収縮構成と、前記第2の部材から離れるように前記少なくとも1つの第1の部材を伸長させて、その前記面を前記第1椎体に係合させる少なくとも1つの各々の伸長構成との間で、独立して伸長可能である第1および第2の伸長可能な支持要素;および
前記第1の伸長可能な支持要素に関連した第1の垂直拘束体であって、前記第1の伸長可能な支持要素と前記第2の部材との間で協働して、前記少なくとも1つの第1の部材を前記第2の部材から引き離すのに前記第1の伸長可能な支持要素に許容された第1の最大高さを限定する第1の垂直拘束体;および
前記第2の伸長可能な支持要素に関連した第2の垂直拘束体であって、前記第2の伸長可能な支持要素と前記第2の部材との間で協働して、前記少なくとも1つの第1の部材を前記第2の部材から引き離すのに前記第2の伸長可能な支持要素に許容された第2の最大高さを限定する第2の垂直拘束体;を含み、
前記第1の最大高さが前記第2の最大高さと異なることを特徴とする、脊椎インプラント。 - 請求項1に記載の脊椎インプラントにおいて、前記第1および第2の伸長可能な支持要素が、共通のアクチュエータによって、前記第2の部材を超える、異なる高さまで作動可能であることを特徴とする、脊椎インプラント。
- 請求項2に記載の脊椎インプラントにおいて、前記第1および第2の伸長可能な支持要素が流体作動可能なピストンを含み、および前記共通のアクチュエータが単一の流体圧力源を含むことを特徴とする、脊椎インプラント。
- 請求項1に記載の脊椎インプラントにおいて、さらに、前記第1の部材の前記第1および第2の伸長可能な支持要素の一方と機械的に係合またはインターロックして、前記第1椎体と第2椎体との間において前記インプラントを拡張構成でロックするロッキング要素を有するロッキングシステムを含むことを特徴とする、脊椎インプラント。
- 請求項1に記載の脊椎インプラントにおいて、さらに、前記少なくとも1つの第1の部材を、前記第1および第2の伸長可能な支持要素の異なる伸長高さに対応できるようにする手段を含むことを特徴とする、脊椎インプラント。
- 請求項5に記載の脊椎インプラントにおいて、前記少なくとも1つの第1の部材を異なる伸長高さに対応できるようにする手段が、前記第1および第2の伸長可能な支持要素の各々に可動式に結合された関節式プレートを含むことを特徴とする、脊椎インプラント。
- 請求項6に記載の脊椎インプラントにおいて、前記関節式プレートが、球状突起によって前記第1および第2の伸長可能な支持要素に結合されることを特徴とする、脊椎インプラント。
- 請求項6に記載の脊椎インプラントにおいて、前記関節式プレートが、前記第1および第2の伸長可能な支持要素に多軸式に結合されることを特徴とする、脊椎インプラント。
- 請求項6に記載の脊椎インプラントにおいて、前記第1および第2の垂直拘束体の各々が、前記第1および第2の伸長可能な支持要素にそれぞれ取り付けられかつ前記第2の部材のチャネルに収容される細長い部材を含み、前記チャネルが、前記第1および第2の垂直拘束体の各々が前記第2の部材から出ないようにする狭小部分を含むことを特徴とする、脊椎インプラント。
- 請求項5に記載の脊椎インプラントにおいて、前記少なくとも1つの第1の部材を異なる伸長高さに対応できるようにする前記手段が、2つの別個の部材として設けられている前記少なくとも1つの第1の部材を含み、前記第1および第2の伸長可能な支持要素の1つに1つずつ結合されていることを特徴とする、脊椎インプラント。
- 請求項10に記載の脊椎インプラントにおいて、前記第1の伸長可能な支持要素が前記第2の伸長可能な支持要素の近位に配置され、前記少なくとも1つの第1の部材の前記2つの別個の部材が、前記第1の伸長可能な支持要素に結合された近位の第1の部材と、前記第2の伸長可能な支持要素に結合された遠位の第1の部材とを含むことを特徴とする、脊椎インプラント。
- 請求項11に記載の脊椎インプラントにおいて、前記第1および第2の伸長可能な支持要素の回転位置を調整することによって、前記近位および遠位の第1の部材の各々を複数の伸長構成に位置決めできることを特徴とする、脊椎インプラント。
- 請求項12に記載の脊椎インプラントにおいて、前記第1および第2の伸長可能な支持要素における所与の回転調整に対して、前記遠位の第1の部材が、前記近位の第1の部材よりも長い軸方向距離動くことを特徴とする、脊椎インプラント。
- 請求項11に記載の脊椎インプラントにおいて、前記近位および遠位の第1の部材の少なくとも1つにある、前記第1椎体に係合する前記面が、複数の面を含み、前記複数の面のうちの少なくとも1つが、前記複数の面の別の1つの平面に非平行な平面にあり、前記近位および遠位の第1の部材の少なくとも1つが複数の椎骨係合面角度を有することを特徴とする、脊椎インプラント。
- 請求項11に記載の脊椎インプラントにおいて、前記第1および第2の垂直拘束体の各々が、前記第2の部材に、前記第1および第2の伸長可能な支持要素の各々の幅広部分が前記第2の部材から出ないようにする部分を含むことを特徴とする、脊椎インプラント。
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US13/843,390 US8992620B2 (en) | 2008-12-10 | 2013-03-15 | Adjustable distraction cage with linked locking mechanisms |
US13/843,390 | 2013-03-15 |
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US11446162B2 (en) | 2010-09-03 | 2022-09-20 | Globus Medical, Inc. | Expandable fusion device and method of installation thereof |
US10835387B2 (en) | 2010-09-03 | 2020-11-17 | Globus Medical Inc. | Expandable fusion device and method of installation thereof |
DE102015110202B3 (de) * | 2015-06-25 | 2016-06-09 | Heraeus Medical Gmbh | Bausatz zum Aufbau eines Käfigs für die Spondylodese und Verfahren hierzu sowie entsprechender Käfig und dessen Verwendung |
EP3111896B1 (en) * | 2015-06-30 | 2020-03-04 | Werner Consulting AG | Prosthetic device |
EP3410989B1 (en) * | 2016-02-03 | 2023-08-23 | Globus Medical, Inc. | Expandable fusion device |
AU2017251734B2 (en) * | 2016-10-26 | 2022-10-20 | Howmedica Osteonics Corp. | Expandable interbody implant with lateral articulation |
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US5571189A (en) * | 1994-05-20 | 1996-11-05 | Kuslich; Stephen D. | Expandable fabric implant for stabilizing the spinal motion segment |
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US7985256B2 (en) * | 2005-09-26 | 2011-07-26 | Coalign Innovations, Inc. | Selectively expanding spine cage, hydraulically controllable in three dimensions for enhanced spinal fusion |
US20070270952A1 (en) * | 2006-04-19 | 2007-11-22 | Spinal Kinetics, Inc. | Prosthetic intervertebral discs implantable by minimally invasive surgical techniques |
US7794501B2 (en) * | 2006-04-27 | 2010-09-14 | Wasaw Orthopedic, Inc. | Expandable intervertebral spacers and methods of use |
US8137401B2 (en) * | 2007-03-30 | 2012-03-20 | Depuy Spine, Inc. | Intervertebral device having expandable endplates |
WO2009064787A2 (en) * | 2007-11-12 | 2009-05-22 | Synthes (U.S.A.) | Adjustable height intervertebral implant |
US8696751B2 (en) * | 2008-12-10 | 2014-04-15 | Coalign Innovations, Inc. | Adjustable distraction cage with linked locking mechanisms |
US8992620B2 (en) * | 2008-12-10 | 2015-03-31 | Coalign Innovations, Inc. | Adjustable distraction cage with linked locking mechanisms |
US20100145455A1 (en) * | 2008-12-10 | 2010-06-10 | Innvotec Surgical, Inc. | Lockable spinal implant |
CA2717635C (en) * | 2008-03-07 | 2015-12-29 | Synthes Usa, Llc | Expandable interbody spacer device |
US8172902B2 (en) * | 2008-07-17 | 2012-05-08 | Spinemedica, Llc | Spinal interbody spacers |
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