CN2167688Y - 人工髌骨关节 - Google Patents

人工髌骨关节 Download PDF

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Publication number
CN2167688Y
CN2167688Y CN 93219968 CN93219968U CN2167688Y CN 2167688 Y CN2167688 Y CN 2167688Y CN 93219968 CN93219968 CN 93219968 CN 93219968 U CN93219968 U CN 93219968U CN 2167688 Y CN2167688 Y CN 2167688Y
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artificial
joint
condyle
patella
cuboid
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陈汉文
叶启斌
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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
    • 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

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  • Health & Medical Sciences (AREA)
  • Orthopedic Medicine & Surgery (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Cardiology (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Transplantation (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Vascular Medicine (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Prostheses (AREA)

Abstract

一种由合金材料精铸加工而成的人工髌骨关节， 包括髌骨与骰骨髁，它比全膝关节面积小，人工骰骨 髁宽50～60mm，高40～50mm，厚5.5～8mm，人工 髌骨直径为25～35mm，全高为10～20mm。钉子加 工成塔形，使用这种人工髌骨关节，对病人损伤小，减 轻病人痛苦，疗效好，手术简单，节省费用，易于推 广。

Description

本实用新型属假肢体或附件领域，具体涉及一种新型人工髌骨关节。
骨损伤、化脓性骨髓炎、化脓性关节炎等疾病严重地影响着患者的身体健康，给患者带来极大的痛苦。急慢性骨髓炎、关节炎，例如膝关节炎早期表现为红、肿、痛、热、关节肿痛、活动受限，严重者将累及关节骨质损伤，甚者需要截肢才能挽救生命。以往需手术的病人在治疗时将膝关节的整块髌骨换掉。这样，没有病变的骨质也被去除，本实用新型技术方案：
使用Co－Cr－Mo合金材料或钛合金材料，整体精铸，再将钉子焊上，根据病人病情及骨骼大小，骰骨髁可分不同大小，宽为50～60mm，高40～50mm，厚5.5～8mm，钉子用普通车床加工成塔形，钉子长15～30mm。人工髌骨加工成大小为直径25～35mm，高10～20mm，钉子长8～15mm。在髌骨内面上对称分布有椭圆形孔，以利于骨质生长。股骨髁与人工髌骨共同组合为人工髌骨关节。手术时，将人工骰骨髁替代坏死骨质，钉入股骨，用人工髌骨替代坏死的髌骨钉入胫骨，手术后缝合即可。
使用人工髌骨关节有如下优点：1、对病人损伤小。可根据病人骨损伤的情况，选用大小不同型号的骰骨髁，只要切除患病部分，不需全切除。2、减少病人痛苦。因手术范围减小，只施行部分切除，手术工作量小，简单，时间短，病人少受痛苦。3、便于推广。由于手术简化，使用器械少，医生易于掌握，中小医院也可手术，方便病人。4、节省了医疗费用与医疗材料。5、经临床观察，疗效与全切除一致。6、钉子加工成塔形，不易脱落，固定效果好。
本实用新型有如下附图：
图1    为人工髌骨关节主视图；
图2    为骰内髁俯视图；
图3    为骰骨髁侧视图；
图4    为人工髌骨底视图。
实施例：见图1、图2、图3、图4。使用Co－Cr－Mo合金材料，整体精铸，打磨抛光，骰骨髁1长56mm，宽42mm，厚6.5mm，钉子2长20mm，两钉间距为32mm，钉子2加工成塔形状。人工髌骨3直径为30mm，钉子4直径为10mm，钉子4长10mm，加工成螺丝形状，人工髌骨3总高为14mm，其内面有六个椭圆形孔5。手术时，将人工骰骨髁替代坏死骨质，用人工髌骨替代坏死的髌骨，分别钉入股骨和胫骨，然后手术缝合，愈合后即可。

Claims (2)

1、一种由合金材料精铸加工而成，包括髌骨与骰骨髁的人工髌骨关节，其特征在于：部分替换的人工髌骨关节骰骨髁(1)与髌骨(3)比全膝关节面积小，其钉子(2)加工成塔形。
2、根据权利要求1所述的人工髌骨关节，其特征在于骰骨髁（1）大小为宽50～60mm，高40～50mm，厚5.5～8mm，钉子（2）长度为15～30mm，人工髌骨（3）大小为直径为25～35mm，高10～20mm，钉子（4）长8～15mm。
CN 93219968 1993-07-30 1993-07-30 人工髌骨关节 Expired - Fee Related CN2167688Y (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 93219968 CN2167688Y (zh) 1993-07-30 1993-07-30 人工髌骨关节

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 93219968 CN2167688Y (zh) 1993-07-30 1993-07-30 人工髌骨关节

Publications (1)

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CN2167688Y true CN2167688Y (zh) 1994-06-08

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CN 93219968 Expired - Fee Related CN2167688Y (zh) 1993-07-30 1993-07-30 人工髌骨关节

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103356309A (zh) * 2006-01-23 2013-10-23 史密夫和内修有限公司 髌骨构件
CN113209381A (zh) * 2021-04-23 2021-08-06 江苏毅松医疗科技有限公司 一种人工膝关节骰骨髁及其制备方法

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103356309A (zh) * 2006-01-23 2013-10-23 史密夫和内修有限公司 髌骨构件
CN103356309B (zh) * 2006-01-23 2015-11-25 史密夫和内修有限公司 髌骨构件
CN113209381A (zh) * 2021-04-23 2021-08-06 江苏毅松医疗科技有限公司 一种人工膝关节骰骨髁及其制备方法

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