JP7195005B2 - インプラント用流体インターフェースシステム - Google Patents
インプラント用流体インターフェースシステム Download PDFInfo
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- JP7195005B2 JP7195005B2 JP2019554383A JP2019554383A JP7195005B2 JP 7195005 B2 JP7195005 B2 JP 7195005B2 JP 2019554383 A JP2019554383 A JP 2019554383A JP 2019554383 A JP2019554383 A JP 2019554383A JP 7195005 B2 JP7195005 B2 JP 7195005B2
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- implant
- interface channel
- fluid interface
- volume
- fluid
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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
- A61F2/28—Bones
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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
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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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- A61L27/56—Porous materials, e.g. foams or sponges
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
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- A61F2/30—Joints
- A61F2002/30001—Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
- A61F2002/30667—Features concerning an interaction with the environment or a particular use of the prosthesis
- A61F2002/30677—Means for introducing or releasing pharmaceutical products, e.g. antibiotics, into the body
-
- 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
- A61F2002/30784—Plurality of holes
-
- 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
- A61F2002/30838—Microstructures
-
- 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
- A61F2002/3092—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth having an open-celled or open-pored structure
-
- 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
- A61F2002/3093—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth for promoting ingrowth of bone tissue
-
- 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
- A61F2/3094—Designing or manufacturing processes
- A61F2002/30985—Designing or manufacturing processes using three dimensional printing [3DP]
-
- 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
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L27/00—Materials for grafts or prostheses or for coating grafts or prostheses
- A61L27/02—Inorganic materials
- A61L27/04—Metals or alloys
- A61L27/045—Cobalt or cobalt alloys
Description
ストラットの厚さ=(-0.0035×(E2))+(0.0696×E)+0.4603
上の式において、「E」は弾性係数である。
弾性係数は、その値を達成するために必要なストラットの厚さを決定するために選択でき、または、事前に選択したストラットの厚さを使用して計算できる。ストラットの厚さはmm単位で表され、ストラットの直径を表す。ストラットの厚さは、事前に選択された弾性係数を使用して計算されてもよく、事前に選択されたストラットの厚さにおける弾性係数を決定するために選択されてもよい。
いくつかの実施形態では、流体インターフェースシステムの表面Raは1nmを超える。いくつかの実施形態では、流体インターフェースシステムの表面Raは1μmを超える。いくつかの実施形態では、流体インターフェースシステムの表面粗さは、ナノスケール、ミクロスケールまたはマクロスケールのRa値を有する。いくつかの実施形態では、流体インターフェースシステムの表面粗さは、ナノスケール、ミクロスケール、マクロスケール内に収まり得る複数のRa値を有する。いくつかの実施形態では、流体インターフェースシステムの表面粗さは、ナノスケール、ミクロスケール、マクロスケールのそれぞれに収まる複数のRa値を有する。いくつかの実施形態において、流体インターフェースシステムの表面粗さは、ミクロおよびマクロスケール内に収まる複数のRa値を有する。いくつかの実施形態では、流体インターフェースシステムの表面粗さは、ナノスケールおよびマクロスケール内に収まる複数のRa値を有する。いくつかの実施形態において、流体インターフェースシステムの表面粗さは、ナノスケールおよびミクロスケール内に収まる複数のRa値を有する。本明細書で使用される場合、ナノスケールは、ナノメートルまたはミクロンで測定可能なサイズを指す傾向がある。本明細書で使用される場合、ミクロスケールは、ミクロンで測定可能なサイズを指す傾向がある。本明細書で使用されるマクロスケールは、ミリメートルで測定可能なサイズを指す傾向がある。場合によっては、表面の不規則性が骨の付着を促進し得る。表面の不規則性には、突起、塊、くぼみが含まれ得る。粗い表面には、目に見える表面の不規則性があり得、または拡大像を用いた場合にのみ見える表面の不規則性があり得る。表面の不規則性には、実質的に平坦な表面からの逸脱が含まれ、鋭いエッジ、丸いエッジ、およびその間のあらゆるものを含む不規則性が含まれ得る。本明細書に開示されるデバイスおよび方法を達成するために、粗さおよび表面トポグラフィの様々な他の測定が使用してもよいことを理解されたい。
Claims (18)
- 金属格子を備え、外部表面を画定する本体と、
インプラント内に配置された第1のインターフェースチャネルと、
を備えるインプラントであって、
前記第1のインターフェースチャネルは、流体を輸送するように構成され、
前記第1のインターフェースチャネルは、第1の体積密度を有する体積を備え、
インプラント内の別の体積は、第2の体積密度を備え、
前記第1の体積密度は前記第2の体積密度より小さく、
前記第1のインターフェースチャネルは、前記インプラント上またはインプラント内の別の場所との流体連通を可能にするように構成される、インプラント。 - 前記第1のインターフェースチャネルは、複数の分岐に流体的に接続される、請求項1に記載のインプラント。
- 前記第1のインターフェースチャネルおよび分岐は、前記本体の輪郭に沿って構成される、請求項2に記載のインプラント。
- ノードで接続された複数のストラットを含む繰り返し単位セル構造をさらに備え、前記第1のインターフェースチャネルは、単一単位セル内に少なくとも空隙の体積を備える、請求項2または3に記載のインプラント。
- 前記分岐が、前記第1のインターフェースチャネルの縁部に沿った共有ストラットを有する単一単位セル内に少なくとも空隙の体積をさらに備え、開口部を画定する、請求項4に記載のインプラント。
- 前記外部表面上に配置され、前記第1のインターフェースチャネルと流体連通する、第1の流体インターフェースポートをさらに備える、請求項1に記載のインプラント。
- 前記第1のインターフェースチャネルは、実質的に固体の表面を備える壁部分と、前記壁部分を通って延在する選択的に配置された細孔とを有する、請求項1に記載のインプラント。
- 前記第1のインターフェースチャネルは、前記外部表面の第1の領域からの第1の距離に配置され、前記外部表面の第1の領域からの第1の距離は、前記外部表面の第2の領域からの第2の距離の1.0倍より大きい、請求項1に記載のインプラント。
- 前記第1のインターフェースチャネルは、前記本体の別の部分または前記本体の外部表面と圧力差を生じるように構成される、請求項1に記載のインプラント。
- 前面、背面、右側面、左側面、および高さによって画定される環状リングを備え、金属格子をさらに備える本体と、
環状リング内に配置され、流体を輸送するように構成される第1のインターフェースチャネルと、
環状リングの外部表面に固定され、前記第1のインターフェースチャネルとの間の流体連通を可能にするように第1のインターフェースチャネルに接続される、第1のインターフェースポートと、
を備えるインプラントであって、
前記第1のインターフェースチャネルは、第1の体積密度を有する体積を備え、
前記インプラント内の別の体積は、第2の体積密度を備え、
前記第1の体積密度は前記第2の体積密度より小さく、
前記第1のインターフェースチャネルは、前記インプラント上またはインプラント内の別の場所との流体連通を可能にするように構成される、インプラント。 - 前記環状リングは、内壁および外壁を有し、前記第1のインターフェースチャネルが前記内壁からの第1の距離および前記外壁からの第2の距離に配置され、前記第1の距離は前記第2の距離よりも大きい、請求項10に記載のインプラント。
- 前記環状リングは、内壁および外壁を有し、前記第1のインターフェースチャネルが前記内壁からの第1の距離および前記外壁からの第2の距離に配置され、前記第2の距離は前記第1の距離よりも大きい、請求項10に記載のインプラント。
- 前記インプラントは、繰り返し単位セル構造をさらに備え、前記環状リングは内壁と外壁を有し、前記第1のインターフェースチャネルが前記内壁からの第1の距離に配置され、前記第1の距離は単位セルの数によって測定され、前記第1の距離は単位セル1つ以上に相当する、請求項10に記載のインプラント。
- 前記インプラントは、繰り返し単位セル構造をさらに備え、前記環状リングは内壁と外壁を有し、前記第1のインターフェースチャネルが前記外壁からの第1の距離に配置され、前記第1の距離は単位セルの数によって測定され、前記第1の距離は単位セル1つ以上に相当する、請求項10に記載のインプラント。
- 前記環状リングの前面と背面との間に固定された横断アームをさらに備える、請求項10に記載のインプラント。
- 前記横断アーム内に配置された第2のインターフェースチャネルをさらに備え、
前記第2のインターフェースチャネルは、第3の体積密度を有する体積を備え、
前記第3の体積密度は、第2の体積密度よりも小さく、
前記第2のインターフェースチャネルは、インプラント内の別の場所との流体連通を可能にするように構成され、前記第2のインターフェースチャネルは、横断アームの外部輪郭に沿う、請求項15に記載のインプラント。 - 前記第1のインターフェースチャネルの体積密度が半径方向に増加する、請求項10に記載のインプラント。
- 前記第1のインターフェースチャネルは、0nm以上50nm以下の平均粗さを有する表面をさらに備える、請求項1に記載のインプラント。
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US201862619260P | 2018-01-19 | 2018-01-19 | |
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JP2020515350A JP2020515350A (ja) | 2020-05-28 |
JP7195005B2 true JP7195005B2 (ja) | 2022-12-23 |
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EP (1) | EP3606473A4 (ja) |
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