JP6096279B2 - 拡張可能な固定デバイスおよびその設置方法 - Google Patents
拡張可能な固定デバイスおよびその設置方法 Download PDFInfo
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- JP6096279B2 JP6096279B2 JP2015504742A JP2015504742A JP6096279B2 JP 6096279 B2 JP6096279 B2 JP 6096279B2 JP 2015504742 A JP2015504742 A JP 2015504742A JP 2015504742 A JP2015504742 A JP 2015504742A JP 6096279 B2 JP6096279 B2 JP 6096279B2
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- end plate
- fixation device
- insert
- translation
- actuating member
- Prior art date
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- A61L2430/00—Materials or treatment for tissue regeneration
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Landscapes
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- Transplantation (AREA)
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- Neurology (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Veterinary Medicine (AREA)
- Public Health (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Cardiology (AREA)
- Vascular Medicine (AREA)
- Heart & Thoracic Surgery (AREA)
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Dermatology (AREA)
- Medicinal Chemistry (AREA)
- Epidemiology (AREA)
- Physical Education & Sports Medicine (AREA)
- Prostheses (AREA)
- Surgical Instruments (AREA)
Description
拡張可能な固定デバイスのさらなる実施形態
いくつかの実施形態において、固定デバイス10は、ねじの緩み防止およびさらなる安定性等の付加的利益を提供するさらなる特徴を含むことができる。これらの実施形態について以下に論じる。
トライアル部材
いくつかの実施形態において、拡張可能な新規トライアル部材の補助により、固定デバイス10を所定の位置に設置することができる。固定デバイスのための正確なサイズ測定値を得るために、椎体間に拡張可能な固定デバイスを挿入する前に、拡張可能なトライアル部材を使用することができる。拡張可能なトライアル部材は、ユーザが、椎骨内で使用するために適切なサイズの固定デバイスを決定するのに役立ち得る。有利には、本明細書に開示される拡張可能な新規トライアル部材は、トライアル部材に印加される延伸力の量が、直線的であり、かつその全拡張範囲にわたって一定であるように構成される。
Claims (15)
- 拡張可能なデバイスであって、
第1の端板と、
第2の端板と、
少なくとも前記第1の端板および前記第2の端板の長さに沿って延在する本体部と、
前記第1の端板と前記第2の端板との間で前記本体部内に受容可能な平行移動部材であって、その中にインサートを受容するための陥没部を含む、平行移動部材と、
前記本体部を通して挿入可能な作動部材であって、前記インサートと接触する、作動部材と、を備え、
前記作動部材は近位端及び遠位端を含めて構成され、該遠位端は前記インサートと接触する最遠位面を有する、拡張可能なデバイス。 - 前記インサートは、前記平行移動部材とは異なる材料である、請求項1に記載のデバイス。
- 前記インサートは、PEEKで形成され、前記平行移動部材は、金属で形成される、請求項2に記載のデバイス。
- 前記インサートは、前記作動部材とは異なる材料である、請求項1に記載のデバイス。
- 前記インサートは、PEEKで形成され、前記作動部材は、金属で形成される、請求項4に記載のデバイス。
- 前記平行移動部材は、少なくとも2つの傾斜面を含む、請求項1に記載のデバイス。
- 前記第1の端板は、前記2つの傾斜面に対応する溝を含む、請求項6に記載のデバイス。
- 前記作動部材は、ねじ山付き止めねじを備える、請求項1に記載のデバイス。
- 拡張可能なデバイスであって、
第1の端板と、
第2の端板と、
少なくとも前記第1の端板および前記第2の端板の長さに沿って延在する本体部と、
前記第1の端板と前記第2の端板との間で前記本体部内に受容可能な平行移動部材と、
前記本体部を通して挿入可能な作動部材であって、前記平行移動部材に力を伝達するように構成される、作動部材と、
前記平行移動部材と前記作動部材との間に位置するインサートと、を備え、
前記作動部材は近似端及び遠位端を含めて構成され、該遠位端は前記インサートと接触する最遠位面を有する、拡張可能なデバイス。 - 前記インサートは、PEEKである、請求項9に記載のデバイス。
- 前記インサートは、楔状部材を備える、請求項9に記載のデバイス。
- 前記インサートの材料は、前記作動部材の材料とは異なる、請求項9に記載のデバイス。
- 前記平行移動部材は、少なくとも1つの傾斜面を含む、請求項9に記載のデバイス。
- 前記第1の端板は、椎体に接触するためのテクスチャ付外面を含む、請求項9に記載のデバイス。
- 拡張可能なデバイスであって、
第1の端板と、
第2の端板と、
少なくとも前記第1の端板および前記第2の端板の長さに沿って延在する本体部と、
前記第1の端板と前記第2の端板との間で前記本体部内に受容可能な平行移動部材と、
前記本体部を通して挿入可能な作動部材であって、前記作動部材の回転運動が前記作動部材に力を伝達する、作動部材と、
前記平行移動部材と前記作動部材との間に位置するインサートであって、前記平行移動部材および前記作動部材のどちらとも異なる材料である、インサートと、を備え、
前記作動部材は近似端及び遠位端を含めて構成され、該遠位端は前記インサートと接触する最遠位面を有する、拡張可能なデバイス。
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US11547575B2 (en) | 2019-09-27 | 2023-01-10 | Degen Medical, Inc. | Expandable intervertebral spacers |
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