CN201701337U - 髋关节置换定向器 - Google Patents

髋关节置换定向器 Download PDF

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Publication number
CN201701337U
CN201701337U CN2010201939654U CN201020193965U CN201701337U CN 201701337 U CN201701337 U CN 201701337U CN 2010201939654 U CN2010201939654 U CN 2010201939654U CN 201020193965 U CN201020193965 U CN 201020193965U CN 201701337 U CN201701337 U CN 201701337U
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uterus
marking rod
anteversion
footmark
front rake
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程鸿远
周嘉宏
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Changzhou Orthmed Medical Instrument Co Ltd
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Trauson Medical Instrument China Co Ltd
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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
    • A61F2/46—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
    • A61F2/4607—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 of hip femoral endoprostheses
    • 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)
  • Transplantation (AREA)
  • Orthopedic Medicine & Surgery (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Cardiology (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Physical Education & Sports Medicine (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髋关节置换定向器，具有本体，本体中部具有开口连接槽，本体上固定连接股骨定位杆，本体上还转动连接子宫前倾角标示杆。本实用新型本体上直接设置子宫前倾角标示杆，省略了复杂的结构，体积小、调整方便；子宫前倾角标示杆转动范围为180°，其转动平面与上述股骨定位杆之间夹角为30°，符合手术需要，设计合理；子宫前倾角标示杆上设有标示杆弹簧顶珠，可在需要位置定位，并且在两极限位置与圆孔配合定位，操作方便；本体的开口连接槽内壁设有卡接弹簧顶珠，可方便的与试臼安装杆连接，具有较高的实用性。

Description

髋关节置换定向器
技术领域
本实用新型涉及一种医用人工关节假体置换手术器械，特别涉及一种髋关节置换定向器。
背景技术
人工全髋关节置换术既能解除病髋疼痛，又能恢复正常关节功能，是目前治疗股骨头缺血性坏死、老年人股骨颈骨折等最有效的方法。随着新型生物医用材料的研制、假体设计的改进及外科手术的完善，人工关节置换在临床上取得了较大的进展。
髋关节置换手术过程中，臼杯或乙烯臼的安装方向十分重要，现有定向器结构较为复杂，调节不便。
实用新型内容
本实用新型的目的在于提供一种克服上述缺点，体积小、调整方便的髋关节置换定向器。
实现本实用新型目的的技术方案是：一种髋关节置换定向器，具有本体，本体中部具有开口连接槽，本体上固定连接股骨定位杆，本体上还转动连接子宫前倾角标示杆。
上述髋关节置换定向器的子宫前倾角标示杆转动范围为180°，其转动平面与上述股骨定位杆之间夹角为30°。
上述髋关节置换定向器的子宫前倾角标示杆上设有标示杆弹簧顶珠，所述本体上相对子宫前倾角标示杆转动的两个极限位置处对应标示杆弹簧顶珠位置设有相配的圆孔。
上述髋关节置换定向器的本体的开口连接槽内壁设有两个卡接弹簧顶珠，两卡接弹簧顶珠相对设置。
本实用新型具有以下特点：(1)本实用新型本体上直接设置子宫前倾角标示杆，省略了复杂的结构，体积小、调整方便；(2)本实用新型子宫前倾角标示杆转动范围为180°，其转动平面与上述股骨定位杆之间夹角为30°，符合手术需要，设计合理；(3)本实用新型的子宫前倾角标示杆上设有标示杆弹簧顶珠，可在需要位置定位，并且在两极限位置与圆孔配合定位，操作方便；(4)本实用新型本体的开口连接槽内壁设有卡接弹簧顶珠，可方便的与试臼安装杆连接，具有较高的实用性。
附图说明
为了使本实用新型的内容更容易被清楚的理解，下面根据的具体实施例并结合附图，对本实用新型作进一步详细的说明，其中
图1为本实用新型的结构示意图；
图2为图1俯视图。
具体实施方式
(实施例1)
见图1和图2，本实用新型具有本体1，本体1中部具有开口连接槽11，本体1上固定连接股骨定位杆2；本体1上还转动连接子宫前倾角标示杆3，子宫前倾角标示杆3转动范围为180°，其上设有标示杆弹簧顶珠4，本体1上相对子宫前倾角标示杆3转动的两个极限位置处对应标示杆弹簧顶珠4位置设有相配的圆孔11，子宫前倾角标示杆3转动平面与股骨定位杆2之间夹角为30°，本体1的开口连接槽11内壁设有两个卡接弹簧顶珠5，两卡接弹簧顶珠5相对设置。
使用时，将试臼安装杆与髋关节置换定向器本体连接，臼安装杆卡接在本体1的开口连接槽11中，调整股骨定位杆2，确定髋臼与股骨解剖轴夹角135°，然后转动子宫前倾角标示杆3，使子宫前倾角为15°，试臼装入修锉好的髋臼内。判定试臼的位置及与皮质骨的连接情况，试臼底部边缘应与锉修好的髋臼窝底部一致，试臼安装角度应与术前模板记录角度相匹配，同样方法安装臼杯或乙烯臼。

Claims (4)

1.一种髋关节置换定向器，具有本体(1)，本体(1)中部具有开口连接槽(11)，本体(1)上固定连接股骨定位杆(2)；其特征在于：本体(1)上还转动连接子宫前倾角标示杆(3)。
2.根据权利要求1所述的髋关节置换定向器，其特征在于：所述子宫前倾角标示杆(3)转动范围为180°，其转动平面与上述股骨定位杆(2)之间夹角为30°。
3.根据权利要求2所述的髋关节置换定向器，其特征在于：所述子宫前倾角标示杆(3)上设有标示杆弹簧顶珠(4)，所述本体(1)上相对子宫前倾角标示杆(3)转动的两个极限位置处对应标示杆弹簧顶珠(4)位置设有相配的圆孔(12)。
4.根据权利要求1所述的髋关节置换定向器，其特征在于：所述本体(1)的开口连接槽(11)内壁设有两个卡接弹簧顶珠(5)，两卡接弹簧顶珠(5)相对设置。
CN2010201939654U 2010-05-18 2010-05-18 髋关节置换定向器 Expired - Fee Related CN201701337U (zh)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108451675A (zh) * 2018-03-22 2018-08-28 中国人民解放军总医院 一种远端固定假体股骨把持器

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108451675A (zh) * 2018-03-22 2018-08-28 中国人民解放军总医院 一种远端固定假体股骨把持器
CN108451675B (zh) * 2018-03-22 2023-10-13 中国人民解放军总医院 一种远端固定假体股骨把持器

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