CN202821721U - 中置型聚乙烯髋臼 - Google Patents

中置型聚乙烯髋臼 Download PDF

Info

Publication number
CN202821721U
CN202821721U CN 201220334464 CN201220334464U CN202821721U CN 202821721 U CN202821721 U CN 202821721U CN 201220334464 CN201220334464 CN 201220334464 CN 201220334464 U CN201220334464 U CN 201220334464U CN 202821721 U CN202821721 U CN 202821721U
Authority
CN
China
Prior art keywords
acetabulum
centrally
mid
acetabular bone
polythene
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN 201220334464
Other languages
English (en)
Inventor
马欣
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Beijing AK Medical Co Ltd
Original Assignee
Beijing AK Medical Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Beijing AK Medical Co Ltd filed Critical Beijing AK Medical Co Ltd
Priority to CN 201220334464 priority Critical patent/CN202821721U/zh
Application granted granted Critical
Publication of CN202821721U publication Critical patent/CN202821721U/zh
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

Classifications

    • 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
    • A61F2/34—Acetabular 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
    • A61F2002/30001—Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof

Landscapes

  • Health & Medical Sciences (AREA)
  • Orthopedic Medicine & Surgery (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

本实用新型涉及一种中置型聚乙烯髋臼，其应用于外科植入物人工髋关节假体置换手术。它是由聚乙烯髋臼主体、髋臼窝、中置支钉、球面凹槽四部分组成一个整体。上述部件，通过配合球头和股骨柄假体，可实现全髋关节置换手术。本实用新型中置型聚乙烯髋臼，为骨水泥型聚乙烯髋臼，可在植入人体髋臼窝时自动调整中心，并能够保持骨水泥厚度的均匀。特殊设计的中置支钉和球面凹槽还可以保证中置型聚乙烯髋臼和骨水泥连接的强度，防止固定后中置型聚乙烯髋臼意外松脱和旋转。

Description

中置型聚乙烯髋臼
技术领域
本实用新型涉及一种中置型聚乙烯髋臼，其应用于外科植入物人工髋关节置换中的骨水泥全髋置换术。 
背景技术
人工髋关节置换术是治疗严重髋关节病变的终极手段，35年以上的临床优良率已达95％以上。但人工髋关节置换手术中髋臼的固定，特别是骨水泥型聚乙烯髋臼的固定，依然是临床专家研究的热点问题。 
在髋关节假体置换手术中，髋臼部分不管是生物型固定还是骨水泥型固定，都需要其和骨盆髋臼紧密连接。现阶段在骨水泥型聚乙烯髋臼安装中，普通聚乙烯髋臼并未对其和骨水泥连接面进行特殊设计，这就造成了其安装后产生一些不确定因素，在术后聚乙烯髋臼和骨盆髋臼会有脱开的风险。 
因此，如何能够让聚乙烯髋臼和骨盆髋臼通过骨水泥紧密、有效、安全的连接，是髋关节置换术中需要不断追求的目标。 
实用新型内容
本实用新型不同于普通聚乙烯髋臼的设计弊端，提供了一种全新设计的中置型聚乙烯髋臼。它能够使聚乙烯髋臼安装方便、连接有效和便用安全。 
本实用新型采取了如下的设计方案： 
一种中置型聚乙烯髋臼，它是由聚乙烯髋臼主体、髋臼窝、中置支钉、球面凹槽四部分组成一个整体。聚乙烯髋臼主体和中置支钉为超高分子量聚乙烯材料制作。中置支钉为半球形结构，聚乙烯髋臼主体球面上等分镶嵌有四个中置支钉。聚乙烯髋臼主体内有一个和球头配合的髋臼窝。聚乙烯髋臼主体球面上刻有球面凹槽。 
本实用新型的优点是： 
1、本实用新型中置型聚乙烯髋臼采用独特设计，能够通过骨水泥粘接作用和人体骨盆髋臼紧密的连接，连接面积大，连接强度高，不易脱离。 
2、本实用新型中置型聚乙烯髋臼通过中置支钉的设计，具有防旋转作用。 
3、本实用新型中置型聚乙烯髋臼安装方便，具有安装中自动中置定心和安装后能够保证骨水泥层厚度均匀的功能。 
附图说明
图1为本实用新型结构示意图 
图2为本实用新型组配结构图 
具体实施方式
如图1、图2所示，一种中置型聚乙烯髋臼，它是由聚乙烯髋臼主体4、髋臼窝1、中置支钉2、球面凹槽3四部分组成一个整体。聚乙烯髋臼主体4和中置支钉2为超高分子量聚乙烯材料制作。中置支钉2为半球形结构，聚乙烯髋臼主体球面5上等分镶嵌有四个中置支钉2。聚乙烯髋臼主体4内有一个和球头6配合的髋臼窝1。聚乙烯髋臼主体球面5上刻有球面凹槽3。中置型聚乙烯髋臼通过骨水泥和人体骨盆8的髋臼9相连接。中置型聚乙烯髋臼通过主体4内的髋臼窝1和球头6相连接。球头6和股骨柄假体7相连接。 

Claims (4)

1.一种中置型聚乙烯髋臼，其特征是：它由聚乙烯髋臼主体(4)、髋臼窝(1)、中置支钉(2)、球面凹槽(3)四部分组成一个整体。 
2.根据权利要求1所述的一种中置型聚乙烯髋臼，其特征在于：聚乙烯髋臼主体(4)和中置支钉(2)为超高分子量聚乙烯材料制作。 
3.根据权利要求1所述的一种中置型聚乙烯髋臼，其特征在于：中置支钉(2)为半球形结构，聚乙烯髋臼主体球面(5)上等分镶嵌有四个中置支钉(2)。 
4.根据权利要求1所述的一种中置型聚乙烯髋臼，其特征在于：聚乙烯髋臼主体(4)内有一个和球头(6)配合的髋臼窝(1)。 
CN 201220334464 2012-07-10 2012-07-10 中置型聚乙烯髋臼 Expired - Fee Related CN202821721U (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220334464 CN202821721U (zh) 2012-07-10 2012-07-10 中置型聚乙烯髋臼

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220334464 CN202821721U (zh) 2012-07-10 2012-07-10 中置型聚乙烯髋臼

Publications (1)

Publication Number Publication Date
CN202821721U true CN202821721U (zh) 2013-03-27

Family

ID=47933534

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201220334464 Expired - Fee Related CN202821721U (zh) 2012-07-10 2012-07-10 中置型聚乙烯髋臼

Country Status (1)

Country Link
CN (1) CN202821721U (zh)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113440313A (zh) * 2021-03-10 2021-09-28 江苏泰州麦迪医疗科技有限公司 一种多足型膝关节滑车槽假体
CN113440312A (zh) * 2021-03-10 2021-09-28 江苏泰州麦迪医疗科技有限公司 一种大翼型膝关节滑车槽假体

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113440313A (zh) * 2021-03-10 2021-09-28 江苏泰州麦迪医疗科技有限公司 一种多足型膝关节滑车槽假体
CN113440312A (zh) * 2021-03-10 2021-09-28 江苏泰州麦迪医疗科技有限公司 一种大翼型膝关节滑车槽假体

Similar Documents

Publication Publication Date Title
CN202821719U (zh) 解剖式双动全髋人工关节
CN204072391U (zh) 非骨水泥髋关节假体
WO2010123677A3 (en) Acetabular cup
CN107361883B (zh) 锥锁定膝关节假体
CN107569303A (zh) 全髋臼假体
CN105030380A (zh) 一种复合式人工髋关节臼杯
CN203280542U (zh) 一种离子喷涂微孔钽涂层髋关节假体
CN109966030A (zh) 基于3d打印的单髁人工膝关节假体系统
CN102697585A (zh) 用于半骨盆假体的带自锁钉孔和支托平台的髂骨固定件
CN104434342A (zh) 一种医用种植式骨软骨假体系统
CN202821721U (zh) 中置型聚乙烯髋臼
CN107374790A (zh) 一种多孔终板式人工颈椎间盘假体
CN201759699U (zh) 组合式股骨柄假体
CN203001179U (zh) 卡环式髋臼金属杯
CN201668539U (zh) 骨水泥固定型双赤道防脱位髋臼假体
CN103892941A (zh) 滚动型双极头
CN208259805U (zh) 锥锁定膝关节假体
CN104434343A (zh) 股骨柄假体
WO2021103443A1 (zh) 一种髋臼杯
BR112012000643B8 (pt) método e dispositivo para articulação do quadril
CN204521058U (zh) 股骨柄假体
CN109394395B (zh) 一种用于人工髋关节置换的髋臼杯假体
CN204863560U (zh) 髋臼杯假体
CN204909733U (zh) 一种改进的带多孔薄层的人工髋关节股骨柄
CN203059978U (zh) 一种骨连接装置

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20130327

Termination date: 20150710

EXPY Termination of patent right or utility model