JP6336303B2 - インプラントの分解に使用するための器具 - Google Patents
インプラントの分解に使用するための器具 Download PDFInfo
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- JP6336303B2 JP6336303B2 JP2014051112A JP2014051112A JP6336303B2 JP 6336303 B2 JP6336303 B2 JP 6336303B2 JP 2014051112 A JP2014051112 A JP 2014051112A JP 2014051112 A JP2014051112 A JP 2014051112A JP 6336303 B2 JP6336303 B2 JP 6336303B2
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- 230000000399 orthopedic effect Effects 0.000 claims description 66
- 238000001356 surgical procedure Methods 0.000 claims description 15
- 230000037361 pathway Effects 0.000 claims description 8
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- 230000014759 maintenance of location Effects 0.000 description 49
- 210000000988 bone and bone Anatomy 0.000 description 21
- 210000003127 knee Anatomy 0.000 description 16
- 210000002303 tibia Anatomy 0.000 description 13
- 210000000689 upper leg Anatomy 0.000 description 10
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- A—HUMAN NECESSITIES
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- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/88—Osteosynthesis instruments; Methods or means for implanting or extracting internal or external fixation devices
- A61B17/92—Impactors or extractors, e.g. for removing intramedullary devices
- A61B17/921—Impactors or extractors, e.g. for removing intramedullary devices for intramedullary devices
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- A—HUMAN NECESSITIES
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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
- A61F2/38—Joints for elbows or knees
- A61F2/3859—Femoral components
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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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- A61F2/38—Joints for elbows or knees
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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
- A61F2/46—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
- A61F2/461—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 of knees
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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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- A61F2/46—Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor
- A61F2/4637—Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor for connecting or disconnecting two parts of a prosthesis
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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
- 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
- A61F2002/30331—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements made by longitudinally pushing a protrusion into a complementarily-shaped recess, e.g. held by friction fit
- A61F2002/30332—Conically- or frustoconically-shaped protrusion and recess
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- A—HUMAN NECESSITIES
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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
- 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
- A61F2002/30476—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements locked by an additional locking mechanism
- A61F2002/30507—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements locked by an additional locking mechanism using a threaded locking member, e.g. a locking screw or a set screw
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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
- A61F2/46—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
- A61F2002/4619—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 for extraction
-
- 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
- A61F2002/4625—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
-
- 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
- A61F2/4637—Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor for connecting or disconnecting two parts of a prosthesis
- A61F2002/4641—Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor for connecting or disconnecting two parts of a prosthesis for disconnecting
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- Health & Medical Sciences (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Transplantation (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Veterinary Medicine (AREA)
- Public Health (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- General Health & Medical Sciences (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Vascular Medicine (AREA)
- Cardiology (AREA)
- Physical Education & Sports Medicine (AREA)
- Surgery (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Prostheses (AREA)
- Surgical Instruments (AREA)
Description
同時係属米国特許出願番号第XX/XXX,XXX号、表題「PROSTHETIC COMPONENTS AND METHODS FOR JOINT LINE ACCESS」(代理人整理番号第265280−223835号,DEP6644USNP1)、及び同第XX/XXXXXX号、表題「PROSTHETIC COMPONENTS WITH SECONDARY RETENTION」(代理人整理番号第265280−223850号,DEP6644USNP2)が相互参照され、これらはそれぞれ、本出願と同一の譲受人に譲渡され、それぞれ同時に出願され、それぞれ本明細書において参照として組み込まれる。
本開示は、概して、移植可能な整形外科的プロテーゼ、より具体的には、移植可能な膝プロテーゼに関する。
(1) 整形外科用器具であって、
ハウジング、及び前記ハウジングから延びる細長い本体を含む主要構成要素であって、前記ハウジング及び前記細長い本体は、長手方向軸を画定し、前記長手方向軸に沿って前記細長い本体内に経路が画定される、主要構成要素と、
(i)前記主要構成要素の前記ハウジングに受容されるように構成されたヘッド、及び(ii)前記ヘッドから延び、前記主要構成要素の前記細長い本体を通過するように構成され、かつ前記主要構成要素の前記細長い本体の長さよりも大きな長さを有する、細長いシャフトを含む、ロッド構成要素と、
前記長手方向軸に沿って、前記ロッド構成要素を動かすように、前記ハウジングに螺入するように構成されたねじ付き本体を含む、スピンドル構成要素とを含む、整形外科用器具。
(2) 前記ロッド構成要素が、複数のロッド構成要素から選択され、前記複数のロッド構成要素のうちの各ロッド構成要素は、異なる長さの細長いシャフトを有する、実施態様1に記載の整形外科用器具。
(3) 前記ハウジングと反対側の、前記主要構成要素の前記細長い本体の端部は、ねじ付き外側表面を有する、実施態様1に記載の整形外科用器具。
(4) 前記ロッド構成要素の前記ヘッドは、前記主要構成要素の前記細長い本体の前記経路の直径よりも大きな直径を有する、実施態様1に記載の整形外科用器具。
(5) 前記スピンドル構成要素は、前記ねじ付き本体の端部に画定される開口部を含み、前記開口部は前記ロッド構成要素の前記ヘッドと嵌合する大きさである、実施態様1に記載の整形外科用器具。
(7) 前記スピンドル構成要素は、前記ねじ付き本体と反対側のハンドル本体を含み、前記ハンドル本体は、前記スピンドル構成要素を螺着するためのハンドル構成要素を受容するように構成されている、実施態様1に記載の整形外科用器具。
(8) 前記主要構成要素の前記ハウジングの外側表面は、レンチ構成要素の接続表面と適合するような形状である、実施態様1に記載の整形外科用器具。
(9) 前記外側表面は、六角レンチの接続表面と適合するような形状である、実施態様8に記載の整形外科用器具。
(10) 大腿骨構成要素アセンブリを分解するための方法であって、前記方法は、
主要構成要素の端部を大腿骨構成要素に固定することと、
前記主要構成要素を通じて第1方向にロッドを前進させて、前記大腿骨構成要素に固定され、患者の骨内に位置付けられたステム構成要素と接触させることと、
スピンドル構成要素を前記主要構成要素に螺入して、前記ロッドへと前記第1方向に力をかけることと、
前記スピンドル構成要素を前記主要構成要素へと螺入し続け、前記第1方向にかかる前記力を増加させて、前記ステム構成要素から前記大腿骨構成要素を係合離脱させることと、を含む、方法。
(12) 締結具を、接合線に沿って位置付けられたドライバと係合させることと、
前記ドライバを使用して、前記ステム構成要素から前記締結具を緩めることと、
前記締結具を前記大腿骨構成要素アセンブリから取り除くこととを更に含む、実施態様10に記載の方法。
(13) 前記大腿骨構成要素の前記ステムポストのねじ付き経路から保持装置を取り除くことを更に含み、前記保持装置は、前記締結具の端部が、前記ステム構成要素に固定された後に、前記ねじ付き経路に再び入るのを防ぐように構成される、実施態様12に記載の方法。
(14) 前記保持装置を取り除くことは、除去ねじを前記保持装置内に押し込むことを含む、実施態様13に記載の方法。
(15) 前記主要構成要素の前記端部を前記大腿骨構成要素に固定することは、前記主要構成要素の細長い本体を、前記大腿骨構成要素内に画定されるねじ付き経路内に螺入することを含む、実施態様10に記載の方法。
(17) 整形外科用プロテーゼアセンブリの分解方法であって、前記方法は、
第1外科用器具の端部を第1プロテーゼ構成要素に固定することと、
前記第1プロテーゼ構成要素を通じて第1方向にロッドを前進させて、前記第1プロテーゼ構成要素に固定された第2プロテーゼ構成要素と接触させることと、
第2外科用器具を前記第1外科用器具に螺入して、前記ロッドに前記第1方向に力をかけることと、
前記第2外科用器具を前記第1外科用器具に螺入し続け、前記ロッドに前記第1方向においてかかる前記力を増加させて、前記第2プロテーゼ構成要素から、前記第1プロテーゼ構成要素を係合離脱させることとを含む、分解方法。
(18) 前記第1プロテーゼ構成要素を前記第2プロテーゼ構成要素に固定する締結具を取り除くことと、
前記第1プロテーゼ構成要素のねじ付き経路から保持装置を取り除くこととを更に含み、前記保持装置は、前記締結具の端部が、前記第2プロテーゼ構成要素に固定された後に、前記ねじ付き経路に再び入るのを防ぐように構成されている、実施態様17に記載の方法。
(19) 前記第1外科用器具の前記端部を前記第1プロテーゼ構成要素に固定することは、前記第1外科用器具の細長い本体を、前記第1プロテーゼ構成要素に画定されたねじ付き経路内に螺入することを含む、実施態様17に記載の方法。
(20) 前記第2外科用器具を螺入し続けることは、前記第2外科用器具を前記第1外科用器具に螺入し続けて、前記第1方向にかかる前記力を増加させて、前記第1プロテーゼ構成要素を、前記第1方向と反対の第2方向に移動させることを含む、実施態様17に記載の方法。
Claims (8)
- 整形外科用器具であって、
ハウジング、及び前記ハウジングから延びる細長い本体を含む主要構成要素であって、前記ハウジング及び前記細長い本体は、長手方向軸を画定し、前記長手方向軸に沿って前記細長い本体内に経路が画定される、主要構成要素と、
(i)前記主要構成要素の前記ハウジングに受容されるように構成されたヘッド、及び(ii)前記ヘッドから延び、前記主要構成要素の前記細長い本体を通過するように構成され、かつ前記主要構成要素の前記細長い本体の長さよりも大きな長さを有する、細長いシャフトを含む、ロッド構成要素と、
前記長手方向軸に沿って、前記ロッド構成要素を動かすように、前記ハウジングに螺入するように構成されたねじ付き本体を含む、スピンドル構成要素とを含み、
前記ロッド構成要素の前記ヘッドは、前記主要構成要素の前記細長い本体の前記経路の直径よりも大きな直径を有する、整形外科用器具。 - 前記ロッド構成要素が、複数のロッド構成要素から選択され、前記複数のロッド構成要素のうちの各ロッド構成要素は、異なる長さの細長いシャフトを有する、請求項1に記載の整形外科用器具。
- 前記ハウジングと反対側の、前記主要構成要素の前記細長い本体の端部は、ねじ付き外側表面を有する、請求項1に記載の整形外科用器具。
- 前記スピンドル構成要素は、前記ねじ付き本体の端部に画定される開口部を含み、前記開口部は前記ロッド構成要素の前記ヘッドと嵌合する大きさである、請求項1に記載の整形外科用器具。
- 前記開口部の直径は、前記スピンドル構成要素の直径よりも小さい、請求項4に記載の整形外科用器具。
- 前記スピンドル構成要素は、前記ねじ付き本体と反対側のハンドル本体を含み、前記ハンドル本体は、前記スピンドル構成要素を螺着するためのハンドル構成要素を受容するように構成されている、請求項1に記載の整形外科用器具。
- 前記主要構成要素の前記ハウジングの外側表面は、レンチ構成要素の接続表面と適合するような形状である、請求項1に記載の整形外科用器具。
- 前記外側表面は、六角レンチの接続表面と適合するような形状である、請求項7に記載の整形外科用器具。
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US13/837,465 US9603649B2 (en) | 2013-03-15 | 2013-03-15 | Instruments for use in disassembling implants |
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US20140276883A1 (en) | 2014-09-18 |
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US10307198B2 (en) | 2019-06-04 |
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US9603649B2 (en) | 2017-03-28 |
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