SELF-CENTERING NON-FASTENING ACETABULUM LINER

• Main Authors: KEEFER RYAN C, ARMACOST JOHN M, CAYWOOD JAMES A
• Format: Patent
• Language: English; Japanese
• Published: 18.05.2017
• Subjects: BANDAGES, DRESSINGS OR ABSORBENT PADS; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF,TUBULAR STRUCTURES OF THE BODY, E.G. STENTS; FILTERS IMPLANTABLE INTO BLOOD VESSELS; FIRST-AID KITS; FOMENTATION; HUMAN NECESSITIES; HYGIENE; MEDICAL OR VETERINARY SCIENCE; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; PROSTHESES; TREATMENT OR PROTECTION OF EYES OR EARS

PROBLEM TO BE SOLVED: To provide a kit used for hip joint arthroplasty.SOLUTION: An acetabulum shell and an acetabulum liner compatible so as to be inserted in the acetabulum shell are provided. The liner includes a concave inner face compatible to engage with a caput femoris, an outer face compatible to engage with the acetabulum shell, and an edge part extending between the inner face and outer face. The outer face include a lock part extending from the edge part, a composite curve part extending from the lock part at a first transition point, and a dome part extending from the composite curve part. In the first transition point, the composite curve part forms a tangent line with the lock part.SELECTED DRAWING: Figure 1 【課題】股関節形成術に使用されるキットを提供する。【解決手段】寛骨臼シェルと、前記寛骨臼シェル内に挿入されるように適合された寛骨臼ライナーとを備え、前記ライナーは、大腿骨頭に係合するように適合された凹状の内側表面と、前記寛骨臼シェルに係合するように適合された外側表面と、前記内側表面と前記外側表面との間に延びる縁部とを備え、前記外側表面が、前記縁部から延びるロック部分と、第１の推移地点において前記ロック部分から延びる複合曲線状部分と、前記複合曲線状部分から延びるドーム部分と、を含み、前記第１の推移地点において、前記複合曲線状部分が前記ロック部分に対して接線をなす。【選択図】図１