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1. JP2020171512 - 脛骨コンポーネント

官庁
日本
出願番号 2019075261
出願日 11.04.2019
公開番号 2020171512
公開日 22.10.2020
公報種別 A
IPC
A61F 2/38
A生活必需品
61医学または獣医学;衛生学
F血管へ埋め込み可能なフィルター;補綴;人体の管状構造を開存させるまたは虚脱を防ぐ装置,例.ステント;整形外科用具,看護用具または避妊用具;温湿布;目または耳の治療または保護;包帯;被覆用品または吸収性パッド;救急箱
2血管への植込み可能なフィルター;補綴,すなわち,身体の各部分のための人工的代用品または代替物;身体とそれらを結合するための器具;人体の管状構造の開通状態を維持または閉塞を防止する装置,例.ステント
02身体内への植込み式人工器官
30関節
38肘または膝のためのもの
CPC
A61F 2/389
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
FFILTERS 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
2Filters 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
02Prostheses implantable into the body
30Joints
38for elbows or knees
389Tibial components
A61F 2002/30878
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
FFILTERS 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
2Filters 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
02Prostheses implantable into the body
30Joints
30767Special external or bone-contacting surface, e.g. coating for improving bone ingrowth
30771applied in original prostheses, e.g. holes or grooves
30878with non-sharp protrusions, for instance contacting the bone for anchoring, e.g. keels, pegs, pins, posts, shanks, stems, struts
A61F 2002/30884
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
FFILTERS 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
2Filters 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
02Prostheses implantable into the body
30Joints
30767Special external or bone-contacting surface, e.g. coating for improving bone ingrowth
30771applied in original prostheses, e.g. holes or grooves
30878with non-sharp protrusions, for instance contacting the bone for anchoring, e.g. keels, pegs, pins, posts, shanks, stems, struts
30884Fins or wings, e.g. longitudinal wings for preventing rotation within the bone cavity
A61F 2002/30891
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
FFILTERS 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
2Filters 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
02Prostheses implantable into the body
30Joints
30767Special external or bone-contacting surface, e.g. coating for improving bone ingrowth
30771applied in original prostheses, e.g. holes or grooves
30878with non-sharp protrusions, for instance contacting the bone for anchoring, e.g. keels, pegs, pins, posts, shanks, stems, struts
30891Plurality of protrusions
A61F 2002/30892
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
FFILTERS 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
2Filters 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
02Prostheses implantable into the body
30Joints
30767Special external or bone-contacting surface, e.g. coating for improving bone ingrowth
30771applied in original prostheses, e.g. holes or grooves
30878with non-sharp protrusions, for instance contacting the bone for anchoring, e.g. keels, pegs, pins, posts, shanks, stems, struts
30891Plurality of protrusions
30892parallel
出願人 TEIJIN NAKASHIMA MEDICAL CO LTD
帝人ナカシマメディカル株式会社
発明者 KIYOTOMO DAII
清友 大惟
INOUE TAKAYUKI
井上 貴之
ISHIZAKA HARUHIKO
代理人 特許業務法人 有古特許事務所
発明の名称
(EN) TIBIA COMPONENT
(JA) 脛骨コンポーネント
要約
(EN)

PROBLEM TO BE SOLVED: To provide a tibia component usable without problems, regardless of the way of resection of a proximal part of tibia.

SOLUTION: A tibia component 3 for an artificial knee joint 1 includes a base 4 having an inside sliding surface 43 and an outside sliding surface 44 formed on an upper surface, for receiving a medial condyle 22 and an external condyle 23 of a femur component 2 fixed to an upper excision surface of tibia. On the base 4, a hollow 31 opened rearward for avoiding interference with posterior cruciate ligament is formed. In the inside/outside direction, the center of the hollow 31 is deviated furthermore inward than the center of the base 4.

SELECTED DRAWING: Figure 1

COPYRIGHT: (C)2021,JPO&INPIT


(JA)

【課題】脛骨の近位部の切除の仕方に拘らずに問題なく使用可能な脛骨コンポーネントを提供する。
【解決手段】人工膝関節1用の脛骨コンポーネント3は、脛骨の上方切除面に固定される、大腿骨コンポーネント2の内顆22および外顆23をそれぞれ受ける内側摺動面43および外側摺動面44が上面に形成されたベース4を含む。ベース4には、後十字靭帯との干渉を回避するための後ろ向きに開口する窪み31が形成されている。内外方向において、窪み31の中心は、ベース4の中心よりも内方に寄せられている、
【選択図】図1


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