JP7132376B2 - 移植可能なシステム - Google Patents
移植可能なシステム Download PDFInfo
- Publication number
- JP7132376B2 JP7132376B2 JP2021015020A JP2021015020A JP7132376B2 JP 7132376 B2 JP7132376 B2 JP 7132376B2 JP 2021015020 A JP2021015020 A JP 2021015020A JP 2021015020 A JP2021015020 A JP 2021015020A JP 7132376 B2 JP7132376 B2 JP 7132376B2
- Authority
- JP
- Japan
- Prior art keywords
- ring
- drive screw
- lock
- implant
- driver
- 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.)
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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
- A61F2/02—Prostheses implantable into the body
- 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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- 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
- A61F2/44—Joints for the spine, e.g. vertebrae, spinal discs
- A61F2/442—Intervertebral or spinal discs, e.g. resilient
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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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- A61F2/44—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
- A61F2/447—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 substantially parallelepipedal, e.g. having a rectangular or trapezoidal cross-section
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- 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
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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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- A61F2002/30329—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements
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- 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
- A61F2/46—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
- A61F2002/4625—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
-
- 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
- A61F2/46—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
- A61F2002/4629—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 connected to the endoprosthesis or implant via a threaded connection
Landscapes
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Neurology (AREA)
- Transplantation (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Cardiology (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Physical Education & Sports Medicine (AREA)
- Prostheses (AREA)
- Surgical Instruments (AREA)
Description
Claims (12)
- 移植可能なシステムであって、
第1の端板と、第2の端板と、前記第1の端板と前記第2の端板との間に位置付けられた本体と、前記本体内に位置付けられた駆動ねじおよびロックとを備える、拡張可能なデバイスを備え、前記駆動ねじの回転は、前記第1の端板と前記第2の端板との間の距離を増加させるか、または減少させるように構成されており、前記ロックは、係止位置にある場合、前記駆動ねじへの回転を停止するように構成されており、
前記駆動ねじは、ヘッド部分およびシャフトを有し、前記ヘッド部分は、間に複数のノッチを画定する複数の突起と、環状リングと、前記複数の突起と前記環状リングとの間の円周方向の溝とを有し、
前記ロックは、第1のリングと、支柱によって前記第1のリングに接続された第2のリングとを有し、
前記ロックが前記係止位置にある場合、前記第2のリングは前記ヘッド部分の前記円周方向の溝内にあり、前記支柱は前記ノッチのうちの1つ内に位置し、前記ロックの前記第1のリングは前記ヘッド部分の上面上にある、移植可能なシステム。 - 係止解除位置において、前記第2のリングは前記溝から並進させられて出て、前記支柱は前記ノッチから並進させられて出て、それによって、前記駆動ねじがドライバによって回転することを許容する、請求項1に記載の移植可能なシステム。
- 前記ロックの前記第1のリングは、完全なリングである、請求項1に記載の移植可能なシステム。
- 前記第1のリングは、前記第1のリングの外形の中心から中心がずれた貫通穴を含む、請求項1に記載の移植可能なシステム。
- 前記ロックの前記第2のリングは、C字型のばねリングである、請求項1に記載の移植可能なシステム。
- 前記複数の突起および前記複数のノッチは、前記ヘッド部分の先端の周りに放射状に位置する、請求項1に記載の移植可能なシステム。
- 前記複数の突起は、四辺形の突出部を含む、請求項1に記載の移植可能なシステム。
- 前記拡張可能なデバイスは、前記拡張可能なデバイスの前記本体内に前記ロックおよび駆動ねじを保持するように構成された保持リングをさらに含む、請求項1に記載の移植可能なシステム。
- 前記保持リングは、略C字型の本体を有する、請求項8に記載の移植可能なシステム。
- 前記保持リングは、前記リングが変形することなく偏向することを許容する複数の外側放射状ノッチおよび複数の内側放射状ノッチを含む、請求項9に記載の移植可能なシステム。
- 前記拡張可能なデバイスは、拡張力を低減し、前記駆動ねじに摩擦を加えるように構成された摩擦リングをさらに含む、請求項1に記載の移植可能なシステム。
- 前記摩擦リングは、前記本体に接触するように構成された外面と、前記駆動ねじの前記シャフトに接触するように構成された内面とを有する環状リングである、請求項11に記載の移植可能なシステム。
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US16/779,756 | 2020-02-03 |
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