JP7066363B2 - 人工インプラントをテクスチャ付けする方法 - Google Patents
人工インプラントをテクスチャ付けする方法 Download PDFInfo
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- JP7066363B2 JP7066363B2 JP2017185875A JP2017185875A JP7066363B2 JP 7066363 B2 JP7066363 B2 JP 7066363B2 JP 2017185875 A JP2017185875 A JP 2017185875A JP 2017185875 A JP2017185875 A JP 2017185875A JP 7066363 B2 JP7066363 B2 JP 7066363B2
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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
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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
- A61F2/30767—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth
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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
- A61F2/30767—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
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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
- A61F2/30721—Accessories
-
- 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
- A61F2/32—Joints for the hip
- A61F2/36—Femoral heads ; Femoral endoprostheses
-
- 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
- A61F2/38—Joints for elbows or knees
- A61F2/3859—Femoral components
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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
- A61F2/38—Joints for elbows or knees
- A61F2/389—Tibial components
-
- 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
- A61F2/40—Joints for shoulders
- A61F2/4014—Humeral heads or necks; Connections of endoprosthetic heads or necks to endoprosthetic humeral shafts
-
- 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
- A61F2/40—Joints for shoulders
- A61F2/4081—Glenoid components, e.g. cups
-
- 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
- A61F2/4644—Preparation of bone graft, bone plugs or bone dowels, e.g. grinding or milling bone material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B31/00—Machines or devices designed for polishing or abrading surfaces on work by means of tumbling apparatus or other apparatus in which the work and/or the abrasive material is loose; Accessories therefor
- B24B31/003—Machines or devices designed for polishing or abrading surfaces on work by means of tumbling apparatus or other apparatus in which the work and/or the abrasive material is loose; Accessories therefor whereby the workpieces are mounted on a holder and are immersed in the abrasive material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B31/00—Machines or devices designed for polishing or abrading surfaces on work by means of tumbling apparatus or other apparatus in which the work and/or the abrasive material is loose; Accessories therefor
- B24B31/02—Machines or devices designed for polishing or abrading surfaces on work by means of tumbling apparatus or other apparatus in which the work and/or the abrasive material is loose; Accessories therefor involving rotary barrels
- B24B31/03—Machines or devices designed for polishing or abrading surfaces on work by means of tumbling apparatus or other apparatus in which the work and/or the abrasive material is loose; Accessories therefor involving rotary barrels the workpieces being continuously-travelling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C1/00—Methods for use of abrasive blasting for producing particular effects; Use of auxiliary equipment in connection with such methods
- B24C1/08—Methods for use of abrasive blasting for producing particular effects; Use of auxiliary equipment in connection with such methods for polishing surfaces, e.g. smoothing a surface by making use of liquid-borne abrasives
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C3/00—Abrasive blasting machines or devices; Plants
- B24C3/32—Abrasive blasting machines or devices; Plants designed for abrasive blasting of particular work, e.g. the internal surfaces of cylinder blocks
-
- 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
- A61F2002/30003—Material related properties of the prosthesis or of a coating on the prosthesis
- A61F2002/3006—Properties of materials and coating materials
- A61F2002/30062—(bio)absorbable, biodegradable, bioerodable, (bio)resorbable, resorptive
-
- 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
- A61F2002/30906—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth shot- sand- or grit-blasted
-
- 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
- A61F2/4644—Preparation of bone graft, bone plugs or bone dowels, e.g. grinding or milling bone material
- A61F2002/4645—Devices for grinding or milling bone material
-
- 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
-
- 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
Description
(1) 整形外科用インプラントの関節運動表面を処理する方法であって、
前記整形外科用インプラントの前記関節運動表面を研磨することと、
前記整形外科用インプラントの研磨された前記表面をブラストすることと、
前記整形外科用インプラントのブラストされた前記表面を研磨することと、を含む方法。
(2) 前記整形外科用インプラントの前記関節運動表面を研磨する工程は、前記整形外科用インプラントの前記関節運動表面を研磨用メディアによってドラッグ仕上げすることを含む、実施態様1に記載の方法。
(3) 前記整形外科用インプラントのブラストされた前記表面を研磨する工程は、前記整形外科用インプラントの前記関節運動表面を研磨用メディアによってドラッグ仕上げすることを含む、実施態様1に記載の方法。
(4) ブラストすることは、湿式ブラストすることを含む、実施態様1に記載の方法。
(5) ブラストすることは、金属整形外科用インプラントの表面の粗度を増加させるために、206.84~275.79kPa(30~40psi)の圧力でB100~B125の範囲のサイズを有するセラミックビーズメディアによって湿式ブラストすることを含む、実施態様4に記載の方法。
(7) 前記整形外科用インプラントの前記関節運動表面は、第2の研磨工程後に負の表面歪み(Ssk)を有する、実施態様1に記載の方法。
(8) 前記整形外科用インプラントの前記関節運動表面を研磨する工程は、第1の期間の間、前記整形外科用インプラントの前記関節運動表面を研磨用メディアによってドラッグ仕上げすることを含み、
前記整形外科用インプラントのブラストされた前記表面を研磨する工程は、第2の期間の間、前記整形外科用インプラントのブラストされた前記表面を研磨用メディアによってドラッグ仕上げすることを含む、実施態様1に記載の方法。
(9) 前記第1の期間は、最長40分間である、実施態様8に記載の方法。
(10) 前記第2の期間は、最長20分間である、実施態様8に記載の方法。
(12) 前記第2のドラッグ仕上げ工程で使用される前記研磨用メディアは、堅果殻又は穂軸ベース研磨メディアを含む、実施態様8に記載の方法。
(13) 前記ブラスト工程は、複数の山部と谷部によって画定された表面歪みを有する表面を生成し、前記第2のドラッグ仕上げ工程は、負の歪みを有する表面を生成する、実施態様8に記載の方法。
(14) 前記整形外科用インプラントの前記関節運動表面は、前記第2のドラッグ仕上げ工程後に、-1~-3の表面歪みを有する、実施態様8に記載の方法。
(15) 前記整形外科用インプラントの前記関節運動表面は、前記第2のドラッグ仕上げ工程後に、0.1μm(0.1ミクロン)未満の平均表面粗度を有する、実施態様8に記載の方法。
(17) 前記整形外科用インプラントの前記関節運動表面は、金属を含む、実施態様8に記載の方法。
(18) 前記整形外科用インプラントの前記関節運動表面は、コバルト-クロム合金及びチタン合金を含む群から選択された金属を含む、実施態様17に記載の方法。
(19) 前記整形外科用インプラントは、
整形外科用膝関節インプラントの遠位大腿骨コンポーネント、
整形外科用膝関節インプラントの脛骨トレイ、
整形外科用股関節インプラントの大腿骨骨頭、
整形外科用肩インプラントの上腕骨骨頭、及び
整形外科用肩インプラントの関節窩コンポーネント、を含む群から選択される、実施態様8に記載の方法。
(20) 前記整形外科用インプラントの前記関節運動表面は、
白色干渉法によって測定されるとき、前記第2のドラッグ仕上げ工程後に、0.1μm(0.1ミクロン)未満の平均表面粗度(Sa)を有し、
白色干渉法で測定されるとき、前記第2のドラッグ仕上げ工程後に、-1~-3の表面歪み(Ssk)を有し、
コバルト-クロム合金及びチタン合金を含む群から選択された金属を含む、実施態様19に記載の方法。
(22) 前記第1の期間が、最長40分間であり、
前記第2の期間が、最長20分間であり、
前記第1のドラッグ仕上げ工程で使用される前記研磨用メディアは、プラスチック複合材を含み、
前記第2のドラッグ仕上げ工程で使用される前記研磨用メディアは、堅果殻又は穂軸ベース研磨メディアを含む、実施態様21に記載の方法。
Claims (16)
- 整形外科用インプラントの関節運動表面を処理する方法であって、
前記整形外科用インプラントの前記関節運動表面を研磨することと、
前記整形外科用インプラントの研磨された前記関節運動表面を、206.84~275.79kPa(30~40psi)の圧力でB100~B125の範囲のサイズを有するセラミックビーズメディアによって湿式ブラストすることと、
前記整形外科用インプラントの湿式ブラストされた前記関節運動表面を研磨することと、を含み、
前記整形外科用インプラントの前記関節運動表面は、前記湿式ブラスト後の前記研磨後に-1.2~-2.2の表面歪み(Ssk)を有する、方法。 - 前記整形外科用インプラントの前記関節運動表面を研磨することは、前記整形外科用インプラントの前記関節運動表面を研磨用メディアによってドラッグ仕上げすることを含む、請求項1に記載の方法。
- 前記整形外科用インプラントの湿式ブラストされた前記関節運動表面を研磨することは、前記整形外科用インプラントの前記関節運動表面を研磨用メディアによってドラッグ仕上げすることを含む、請求項1に記載の方法。
- 前記湿式ブラスト前の前記研磨は、前記湿式ブラスト後の前記研磨よりも長い、請求項1に記載の方法。
- 前記整形外科用インプラントの前記関節運動表面を研磨することは、第1の期間の間、前記整形外科用インプラントの前記関節運動表面を研磨用メディアによってドラッグ仕上げする第1のドラッグ仕上げ工程を含み、
前記整形外科用インプラントの湿式ブラストされた前記関節運動表面を研磨することは、第2の期間の間、前記整形外科用インプラントの湿式ブラストされた前記関節運動表面を研磨用メディアによってドラッグ仕上げする第2のドラッグ仕上げ工程を含む、請求項1に記載の方法。 - 前記第1の期間は、最長40分間である、請求項5に記載の方法。
- 前記第2の期間は、最長20分間である、請求項5に記載の方法。
- 前記第1のドラッグ仕上げ工程で使用される前記研磨用メディアは、プラスチックセラミック複合材を含む、請求項5に記載の方法。
- 前記第2のドラッグ仕上げ工程で使用される前記研磨用メディアは、堅果殻又は穂軸ベース研磨メディアを含む、請求項5に記載の方法。
- 前記湿式ブラストは、複数の山部と谷部によって画定された表面歪みを有する前記関節運動表面を生成し、前記第2のドラッグ仕上げ工程は、負の歪みを有する前記関節運動表面を生成する、請求項5に記載の方法。
- 前記整形外科用インプラントの前記関節運動表面は、前記第2のドラッグ仕上げ工程後に、0.1μm(0.1ミクロン)未満の平均表面粗度を有する、請求項5に記載の方法。
- 前記整形外科用インプラントの前記関節運動表面は、金属を含む、請求項5に記載の方法。
- 前記整形外科用インプラントの前記関節運動表面は、コバルト-クロム合金及びチタン合金を含む群から選択された金属を含む、請求項12に記載の方法。
- 前記整形外科用インプラントは、
整形外科用膝関節インプラントの遠位大腿骨コンポーネント、
整形外科用膝関節インプラントの脛骨トレイ、
整形外科用股関節インプラントの大腿骨骨頭、
整形外科用肩インプラントの上腕骨骨頭、及び
整形外科用肩インプラントの関節窩コンポーネント、を含む群から選択される、請求項5に記載の方法。 - 前記整形外科用インプラントの前記関節運動表面は、
白色干渉法によって測定されるとき、前記第2のドラッグ仕上げ工程後に、0.1μm(0.1ミクロン)未満の平均表面粗度(Sa)を有し、
白色干渉法で測定されるとき、前記第2のドラッグ仕上げ工程後に、-1.2~-2.2の表面歪み(Ssk)を有し、
コバルト-クロム合金及びチタン合金を含む群から選択された金属を含む、請求項14に記載の方法。 - 前記第1の期間が、最長40分間であり、
前記第2の期間が、最長20分間であり、
前記第1のドラッグ仕上げ工程で使用される前記研磨用メディアは、プラスチック複合材を含み、
前記第2のドラッグ仕上げ工程で使用される前記研磨用メディアは、堅果殻又は穂軸ベース研磨メディアを含む、請求項15に記載の方法。
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AU2017235892A1 (en) | 2018-04-12 |
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CN107865713B (zh) | 2022-04-19 |
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