CN201510379U - Hip prosthesis - Google Patents

Hip prosthesis Download PDF

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Publication number
CN201510379U
CN201510379U CN 200920246643 CN200920246643U CN201510379U CN 201510379 U CN201510379 U CN 201510379U CN 200920246643 CN200920246643 CN 200920246643 CN 200920246643 U CN200920246643 U CN 200920246643U CN 201510379 U CN201510379 U CN 201510379U
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CN
China
Prior art keywords
hip prosthesis
hip
prosthesis
femoral
stem
Prior art date
Application number
CN 200920246643
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Chinese (zh)
Inventor
史春宝
解凤宝
Original Assignee
北京市春立正达科技开发有限公司
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Priority to CN 200920246643 priority Critical patent/CN201510379U/en
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Publication of CN201510379U publication Critical patent/CN201510379U/en

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Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS 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
    • A61F2/00Filters 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
    • A61F2/02Prostheses implantable into the body
    • A61F2/30Joints
    • A61F2/32Joints for the hip
    • A61F2/36Femoral heads ; Femoral endoprostheses
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS 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
    • A61F2/00Filters 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
    • A61F2/02Prostheses implantable into the body
    • A61F2/30Joints
    • A61F2002/30001Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof

Abstract

The utility model provides a hip prosthesis, which consists of a femoral neck, a pterygoid tuberosity and a femoral shaft, wherein the cross section of the femoral neck is elliptical. The hip prosthesis has the advantages that the femoral neck has a large scope of activities, the prosthesis can be implanted stably, and the effective counter rotation performance is guaranteed.

Description

髋关节假体 Hip prosthesis

技术领域 FIELD

[0001] 本实用新型涉及一种外科植入假体,特别涉及一种髋关节假体。 [0001] The present invention relates to a surgical implantation of the prosthesis, particularly to a hip prosthesis.

背景技术 Background technique

[0002] 现有较先进的髋关节假体,由圆柱型股骨颈、近端表面微孔和远端圆锥组成,具有加工方便、开发周期短的优点,但是在实际使用中却发现,现有的髋关节假体,在植入人体后,髋关节假体在圆柱型股骨颈与髋臼边缘形成的角度间活动,股骨活动范围有限,增加了髋臼脱位的风险,并且不利于骨长入,容易松动,远端圆锥与髓腔的匹配不佳,会影响髓腔供血。 [0002] The more advanced conventional hip prostheses, a cylindrical neck, a proximal end and a distal tapered surface composed of a microporous, convenient, short development cycle of the processing advantages, but found in actual use, the conventional the hip prosthesis, after implantation in the body, the angle between the hip prosthesis neck in cylindrical form with the rim of the acetabulum activities, limited range of motion of the femur, increasing the risk of dislocation of the acetabulum, and is not conducive to bone ingrowth , easy to loose, poor matching tapered distal end of the canal, the canal will affect the blood supply.

[0003] 由此可见,上述现有的髋关节假体在结构与使用上,显然仍存在有不便与缺陷,而亟待加以进一步改进。 [0003] Thus, the above-described conventional hip prosthesis in structure and use, there is clearly still problems and disadvantages, and the urgent need to be further improved. 如何研制一种股骨颈活动范围大,假体植入稳定,并有效抗旋转的新型结构的髋关节假体,是本领域当前的重要研究课题之一。 How to develop a large range of activities femoral prosthesis implanted stable, and effective anti-rotation of the hip prosthesis novel structure, is currently one of the important research topics in this field.

实用新型内容 SUMMARY

[0004] 本实用新型的目的在于,克服现有的髋关节假体存在的缺陷,而提供一种新型结构的髋关节假体,所要解决的技术问题是使其股骨颈活动范围大,假体植入稳定,并有效抗旋转,从而更加适于实用。 [0004] The object of the present invention is to overcome the disadvantages of the prior existence of a hip joint prosthesis, a hip joint prosthesis to provide a novel structure to solve the technical problem of the femoral neck so that a wide range of activities, the prosthesis implantation stable and effective anti-rotation, which is more suitable for practical use.

[0005] 本实用新型的目的及解决其技术问题是采用以下的技术方案来实现的。 [0005] The object of the present invention and solving the technical problems by the following technical solution is achieved. 依据本实用新型提出的一种髋关节假体,由股骨颈、粗隆翼和股骨柄组成,所述的股骨颈的横截面为椭圆形。 According to one hip prosthesis of the present invention made by the femoral neck, trochanter wing, and the composition of the femoral stem, a femoral neck cross section is elliptical.

[0006] 本实用新型的目的及解决其技术问题还可以采用以下的技术措施来进一步实现。 [0006] The present invention aims to solve the technical problem and can also be further achieve the following technical measures adopted.

[0007] 前述的髋关节假体,所述的股骨柄的近端处设有微槽。 [0007] The above-described hip prosthesis, the proximal end of the femoral stem is provided with microgrooves.

[0008] 前述的髋关节假体,所述的微槽宽0. 5〜2mm,深0. 5〜1. 5mm。 [0008] The above-described hip prosthesis, said micro groove width 0. 5~2mm, deep 0. 5~1. 5mm.

[0009] 前述的髋关节假体,所述的股骨柄的横截面为带导角的矩形。 [0009] The above-described hip prosthesis, the femoral stem cross-section is a rectangle with a lead angle.

[0010] 前述的髋关节假体,所述的股骨柄的矢状面设有嵴状突起。 [0010] The foregoing hip prosthesis, the femoral stem is provided with a ridge-like projection sagittal plane.

[0011] 前述的髋关节假体,所述的股骨柄的矢状面各设有2〜6个嵴状突起。 [0011] The foregoing hip prosthesis femoral stem according to the sagittal plane are each provided with a ridge-like projection 2 ~ 6.

[0012] 前述的髋关节假体,所述的嵴状突起高度为0. 5〜3mm。 [0012] The foregoing hip prosthesis, said ridge-like projection height is 0. 5~3mm.

[0013] 前述的髋关节假体,所述的股骨柄的远端为抛光子弹头设计。 [0013] The foregoing hip prosthesis, the distal end of the stem is polished bullet design.

[0014] 前述的髋关节假体,所述的子弹头设计的高为8-30mm,最大横截面直径为 [0014] The above-described hip prosthesis, the high bullet designed for 8-30mm, maximum cross-sectional diameter

6-15mm。 6-15mm.

[0015] 前述的髋关节假体,所述的股骨颈的横截面长轴大于短轴l-5mm,粗隆翼增宽2〜 6mm。 [0015] The above-described hip prosthesis, the cross section of the major axis is greater than the minor axis of the femoral neck l-5mm, trochanter wing widened 2~ 6mm.

[0016] 本实用新型与现有技术相比至少具有以下明显的优点和有益效果: [0016] The present invention and the prior art has at least the following obvious advantages and beneficial effects compared:

[0017] 1、本实用新型髋关节假体,股骨颈为长椭圆形,增大了假体的活动范围。 [0017] 1, the present invention is a hip joint prosthesis, oblong neck, increasing the range of motion of the prosthesis.

[0018] 2、本实用新型髋关节假体,采用近端微槽设计,在假体植入人体的过程中可自动 [0018] 2, the present invention is a hip joint prosthesis, the proximal end use microgrooves design, prosthesis implantation in the human body can be automatically

植骨,确保了假体植入后的稳定。 Bone graft to ensure the stability of the prosthesis after implantation.

3[0019] 3、本实用新型髋关节假体,横截面为近似矩形,两侧位嵴状突起,具有极佳的抗旋转和初期稳定性。 3 [0019] 3, the present invention is a hip joint prosthesis, an approximately rectangular cross section, on both sides of ridge-shaped projections bits, and having excellent initial anti-rotation stability.

[0020] 4、本实用新型髋关节假体,远端采用抛光型子弹头设计,避免了与皮质撞击,最大可能减少了大腿痛和皮质磨损。 [0020] 4, the present invention is a hip joint prosthesis, the distal end of bullet-type design polished, to avoid collision with the cortex, the maximum possible to reduce wear and leather thigh pain.

[0021] 5、本实用新型髋关节假体,增宽的粗隆翼设计,增强了假体的抗旋转性、增加了近端假体表面的接触面积。 [0021] 5, the present invention hip prosthesis, broadened trochanter wing design, the contact area of ​​the enhanced anti-rotation resistance, increasing the surface of the prosthesis proximal of the prosthesis.

[0022] 6、本实用新型髋关节假体,真正根据患者的髓腔设计,更好的匹配髓腔,达到更好 [0022] 6, the present invention is a hip joint prosthesis, according to the real design medullary cavity of the patient, better match the medullary cavity, to achieve better

的使用效果,并可制成各种规格以适应不同的患者需要,从而更为适于实用。 The results, and may be made to adapt to a variety of different patients need to be more suitable for practical use.

[0023] 综上所述,本实用新型髋关节假体,股骨颈活动范围大,假体植入稳定,并有效抗 [0023] In summary, the present invention is a hip joint prosthesis, a wide range of activities neck, prosthesis implantation stable and effective against

旋转。 Rotation. 本实用新型具有上述诸多优点及实用价值,其不论在产品结构或功能上皆有较大的 The present invention has the above advantages and practical value, regardless of its larger Jie structure or function in the product

改进,在技术上有显著的进步,并产生了好用及实用的效果,且较现有的髋关节假体具有突 Improvement, a significant technical progress, and generates a useful and practical results, and more conventional hip prosthesis having a projection

出的功效,从而更加适于实用。 The effect, which is more suitable for practical use.

[0024] 上述说明仅是本实用新型技术方案的概述,为了能更清楚了解本实用新型的技术手段,而可依照说明书的内容予以实施,并且为让本实用新型的上述和其他目的、特征和优点能够更明显易懂,以下特举较佳实施例,并配合附图,详细说明如下。 [0024] The above description is only an overview of the present invention the technical solution, for a clearer understanding of the present invention techniques, but may be implemented in accordance with the contents of the specification, and to allow the present invention the above and other objects, features, and advantages can be more fully understood, the following Patent cited preferred embodiments accompanied with figures are described in detail below.

附图说明 BRIEF DESCRIPTION

[0025] 图1是本实用新型髋关节假体的结构示意图。 [0025] FIG. 1 is a schematic view of the present invention a hip joint prosthesis.

[0026] 图2是本实用新型髋关节假体股骨柄的横截面示意图。 [0026] FIG. 2 is a cross-sectional schematic view of the present invention hip prosthesis femoral stem.

具体实施方式 Detailed ways

[0027] 为更进一步阐述本实用新型为达成预定实用新型目的所采取的技术手段及功效, 以下结合附图及较佳实施例,对依据本实用新型提出的髋关节假体其具体实施方式、结构、 特征及其功效,详细说明如后。 [0027] To further illustrate the present invention and the technical means to achieve a predetermined effect purposes invention taken in conjunction with the following drawings and preferred embodiments of the hip prosthesis according to the present invention set forth specific embodiments thereof, structure, characteristics and efficacy, as will be described in detail.

[0028] 请参阅图1所示,本实用新型髋关节假体,由股骨颈1、粗隆翼2和股骨柄3组成。 [0028] Please refer to FIG. 1, the present invention is a hip joint prosthesis, the neck 1, and a femoral trochanter wing 2 3 composition. [0029] 其中,股骨颈1的横截面为椭圆形,且长轴长大于短轴长约l-5mm,植入人体后,由于前后厚度较薄,因此可增大假体活动范围。 [0029] wherein the cross section of a neck is elliptical, the minor axis and a major axis longer than about l-5mm, the body after implantation, the front and rear thin, and therefore may increase range of motion of the prosthesis.

[0030] 粗隆翼2与同型号的现有髋关节假体相比,采用增宽设计,增加宽度2〜6mm。 [0030] trochanter wing 2 as compared with conventional hip prostheses of the same model, using the widened design, increasing the width of 2~6mm. [0031] 股骨柄3的近端采用微槽设计31槽宽0. 5〜2mm,槽深0. 5〜1. 5mm,槽分布在股骨近端。 The proximal end [0031] 3 of the stem 31 is designed micro groove width 0. 5~2mm, groove depth 0. 5~1. 5mm, grooves distributed in the proximal femur. 请配合参阅图2所示,股骨柄3的横截面为带导角的矩形,并于两侧矢状面各设有2-6个嵴状突起32,嵴状突起32高度为0. 5〜3mm。 Please referring to FIG. 2, the stem 3 has a rectangular cross-section with a lead angle, the sagittal plane and on both sides of each ridge-shaped projections 2-6 with 32, ridge-like projection 32 -5 to 0. height 3mm. 股骨柄3的远端采用抛光子弹头设计33,子弹头设计33的高为8-30mm,其最大横截面的直径为6-15mm,子弹头设计33可避免假体远端与皮质骨接触,从而减轻疼痛。 3 of the distal stem polished bullet design 33, design of high bullet is 8-30mm 33, the maximum diameter of the cross section of 6-15mm, bullet design the distal end of the prosthesis 33 avoid contact with the cortical bone, thereby reducing pain.

[0032] 以上所述,仅是本实用新型的较佳实施例而已,并非对本实用新型作任何形式上的限制,虽然本实用新型已以较佳实施例揭露如上,任何熟悉本专业的技术人员,当可利用上述揭示的技术内容作出些许更动或修饰为等同变化的等效实施例,均仍属于本实用新型技术方案的范围内。 [0032] The above are only preferred embodiments of the present invention embodiments only, not a limitation on the present invention of any form, although the above disclosed embodiments of the present invention has the preferred embodiment, any Those skilled in the art when minor modifications may be made using the techniques disclosed or modified content is equivalent embodiments of equivalent variations as would fall within the scope of the technical solution of the present invention.

4 4

Claims (10)

  1. 一种髋关节假体,由股骨颈、粗隆翼和股骨柄组成,其特征在于:所述的股骨颈的横截面为椭圆形。 One kind of hip prosthesis, the femoral neck, trochanter wing and the stem, and is characterized in that: the cross section of the femoral neck is elliptical.
  2. 2. 根据权利要求1所述的髋关节假体,其特征在于所述的股骨柄的近端处设有微槽。 The hip prosthesis according to claim 1, wherein the proximal end of the femoral stem is provided with microgrooves.
  3. 3. 根据权利要求2所述的髋关节假体,其特征在于所述的微槽宽0. 5〜2mm,深0. 5〜 1. 5mm。 The hip prosthesis according to claim 2, wherein said micro-width 0. 5~2mm, deep 0. 5~ 1. 5mm.
  4. 4. 根据权利要求1所述的髋关节假体,其特征在于所述的股骨柄的横截面为带导角的矩形。 The hip prosthesis according to claim 1, characterized in that the cross section of the femoral stem is rectangular with a lead angle.
  5. 5. 根据权利要求1所述的髋关节假体,其特征在于所述的股骨柄的矢状面设有嵴状突起。 The hip prosthesis according to claim 1, characterized in that the sagittal plane of the femoral stem is provided with ridge-like projections.
  6. 6. 根据权利要求5所述的髋关节假体,其特征在于所述的股骨柄的矢状面各设有2〜 6个嵴状突起。 The hip prosthesis according to claim 5, characterized in that the sagittal plane of the femoral stem 2 ~ 6 are each provided with ridge-like projections.
  7. 7. 根据权利要求5所述的髋关节假体,其特征在于所述的嵴状突起高度为0. 5〜3mm。 The hip prosthesis according to claim 5, wherein said ridge-like projection height is 0. 5~3mm.
  8. 8. 根据权利要求1所述的髋关节假体,其特征在于所述的股骨柄的远端为抛光子弹头设计。 8. The hip joint prosthesis according to claim 1, wherein the distal end of the stem is polished bullet design.
  9. 9. 根据权利要求8所述的髋关节假体,其特征在于所述的子弹头设计的高为8-30mm, 最大横截面直径为6-15mm。 9. The hip prosthesis of claim 8, wherein said bullet is designed high 8-30mm, the maximum cross-sectional diameter of 6-15mm.
  10. 10. 根据权利要求l-9任一权利要求所述的髋关节假体,其特征在于所述的股骨颈的横截面长轴大于短轴l-5mm,粗隆翼增宽2〜6mm。 L-9 claimed in any one of claims claim hip prosthesis, characterized in that the cross-section major axis is greater than the minor axis of the femoral neck l-5mm, trochanter wing widened 2~6mm.
CN 200920246643 2009-10-21 2009-10-21 Hip prosthesis CN201510379U (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103211667A (en) * 2012-01-18 2013-07-24 北京市春立正达医疗器械股份有限公司 Hip joint prosthesis
CN104434343A (en) * 2014-12-29 2015-03-25 北京市春立正达医疗器械股份有限公司 Femoral stem prosthesis
CN104622602A (en) * 2013-11-15 2015-05-20 中国石油天然气股份有限公司 Prosthetic femoral stem
CN104921844A (en) * 2015-06-29 2015-09-23 北京贝思达生物技术有限公司 Biological hip joint
CN106974699A (en) * 2011-04-06 2017-07-25 德普伊新特斯产品有限责任公司 Instrument assembly for implanting revision hip prosthesis

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106974699A (en) * 2011-04-06 2017-07-25 德普伊新特斯产品有限责任公司 Instrument assembly for implanting revision hip prosthesis
CN103211667A (en) * 2012-01-18 2013-07-24 北京市春立正达医疗器械股份有限公司 Hip joint prosthesis
CN104622602A (en) * 2013-11-15 2015-05-20 中国石油天然气股份有限公司 Prosthetic femoral stem
CN104434343A (en) * 2014-12-29 2015-03-25 北京市春立正达医疗器械股份有限公司 Femoral stem prosthesis
CN104921844A (en) * 2015-06-29 2015-09-23 北京贝思达生物技术有限公司 Biological hip joint

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