CN104887358A - Artificial shoulder joint - Google Patents

Artificial shoulder joint Download PDF

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Publication number
CN104887358A
CN104887358A CN201510370211.9A CN201510370211A CN104887358A CN 104887358 A CN104887358 A CN 104887358A CN 201510370211 A CN201510370211 A CN 201510370211A CN 104887358 A CN104887358 A CN 104887358A
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China
Prior art keywords
shoulder joint
joint
ball
artificial shoulder
ball head
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CN201510370211.9A
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Chinese (zh)
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CN104887358B (en
Inventor
张宝龙
孙守贵
张宝顺
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北京贝思达生物技术有限公司
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Priority to CN201510370211.9A priority Critical patent/CN104887358B/en
Publication of CN104887358A publication Critical patent/CN104887358A/en
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Publication of CN104887358B publication Critical patent/CN104887358B/en

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Abstract

The invention provides an artificial shoulder joint and belongs to the field of medical instruments for department of orthopedics. The artificial shoulder joint comprises a scapula glenoid, a ball head and a joint handle, the ball head is connected on the scapula glenoid, the joint handle is movably connected on the ball head, the ball head comprises an upper half ball and a lower half ball, a sliding groove is formed in the surface of the upper half ball, a sliding block is arranged on a ridge of the joint handle and can slide in the sliding groove, and a supporting element is connected between the inner side of the joint handle and the ball head. The artificial shoulder joint is simple in structure, reasonable in design and convenient to mount, movement of the shoulder joint by different angles can be realized, stability of the shoulder joint can be guaranteed, and the artificial shoulder joint is conducive to realizing shoulder joint movement of a patient as soon as possible.

Description

一种人工肩关节 An artificial shoulder joint

技术领域 FIELD

[0001 ] 本发明涉及骨科用医疗器械领域,具体是一种人工肩关节。 [0001] The present invention relates to orthopedic instruments used in the medical field, in particular an artificial shoulder joint.

背景技术 Background technique

[0002] 肩关节炎、肱骨头坏死、严重的肱骨头骨折均是常见的肩关节骨科疾病。 [0002] shoulder arthritis, the humeral head necrosis, severe humeral head fractures are common shoulder bone disease. 现代医学中,实施肩关节置换手术治疗股肱骨头坏死、肩关节炎、肱骨头骨折的技术已经相当成熟。 Modern medicine, the implementation of shoulder replacement surgery Gu Gong osteonecrosis, shoulder arthritis, fractures of the humeral head technology is already quite mature. 肩关节置换手术的早期病例中,老式的球头与肱骨柄假体之间没有相互位置可调的设计,使得置换的假体不能更好的实现解剖性能,从而影响患者康复后肩关节的活动度。 Early cases of shoulder replacement surgery, there is no mutual position adjustable design, the prosthesis can not achieve better performance anatomy between the old ball and the humeral stem prosthesis, thus affecting the rehabilitation of patients after shoulder joint activities degree. 目前的人工肩关节虽然在一定程度上能够调节球头与肱骨柄假体之间的相互位置,但是其稳定性比较差,有的是采用铰接的方式,然后用螺钉调节两者之间的角度,这样虽然能够调节出不同的角度,但是稳定性较差,会严重影响患者的肩关节的活动。 Current artificial shoulder joint while the ball head can be adjusted to some extent with the mutual position between the humeral stem prostheses, but relatively poor stability, some use in an articulated manner, and the angle between the two adjustment screws, so Although different angles can be adjusted, but the stability is poor, it will seriously affect the patient's shoulder joint activities.

发明内容 SUMMARY

[0003] 本发明要解决的问题是:克服现有技术的不足,提供一种人工肩关节,结构简单,设计合理,安装方便,能够实现肩关节不同活动角度的同时,又能够保证其稳定性,有助于早日实现患者的肩关节活动。 [0003] The present invention is to solve is: to overcome the deficiencies of the prior art, to provide an artificial shoulder joint, simple structure, reasonable design, easy to install, can be achieved while the shoulder joint angles of the different activities, but also to ensure its stability contribute to the early realization of the patient's shoulder joint.

[0004] 为解决上述技术问题,本发明采用的技术方案是:一种人工肩关节,包括肩胛盂、球头和关节柄,所述球头连接于肩胛盂上,所述关节柄活动连接于球头上,所述球头包括上半球和下半球,所述上半球的表面设有滑槽,所述关节柄的脊上设有滑块,所述滑块可在滑槽内滑动,所述关节柄内侧与球头之间连接有支撑元件。 [0004] To solve the above technical problem, the technical solution adopted by the invention is: an artificial shoulder joint, comprising a glenoid, and the ball joint shank, the ball head connected to the glenoid, the articulation handle movably connected to the ball head, the ball head comprising an upper hemisphere and a lower hemisphere, said hemisphere upper surface of the chute is provided, the articulation handle ridge provided a slider, the slider can be slid in the chute, the a support member between said inner joint stem with the ball head connection.

[0005] 进一步地,所述肩胛盂的一端为圆弧形凹面,所述球头位于凹面内。 [0005] Further, one end of the glenoid is arcuate concave surface, the concave surface of the ball is located.

[0006] 进一步地,所述支撑元件为气压杆,所述气压杆的固定端活动连接于球头的下半球上,所述气压杆的活动杆的端部活动连接于关节柄内侧。 [0006] Further, the support member is a pressure rod, the fixed end of the movable rod is connected to the air pressure on the lower hemisphere of the ball, an end portion of the activity of the pressure lever is connected to the active lever handle inside the joint.

[0007] 进一步地,所述气压杆为两个。 [0007] Further, the gas strut is two.

[0008] 进一步地,所述滑块为T形结构。 [0008] Further, the slider is a T-shaped configuration.

[0009] 进一步地,所述球头的材质为CoCrMo合金或陶瓷。 [0009] Further, the ball is made of CoCrMo alloys or ceramics.

[0010] 进一步地,所述关节柄的材质为CoCrMo合金、Ti_6Al_4V或Ti_6Al_7Nb。 [0010] Further, the joint of the handle is made of CoCrMo alloy, Ti_6Al_4V or Ti_6Al_7Nb.

[0011] 进一步地,所述肩胛盂的材质为高铰链超高分子量聚乙烯。 [0011] Further, the glenoid hinge made of high ultrahigh molecular weight polyethylene.

[0012] 本发明具有的优点和积极效果是: [0012] The present invention has advantages and positive effects are:

[0013] 本发明结构简单,设计合理,安装方便,在关节柄内侧与球头之间连接有支撑元件,球头的上半球表面设有滑槽,关节柄的脊有滑块,滑块可在滑槽内滑动,能够实现肩关节不同活动角度的同时,又能够保证其稳定性,有助于早日实现患者的肩关节活动。 [0013] The present invention is simple in structure, design, easy installation, the joint between the shank and the inner support member is connected to the ball head, the hemispherical surface of the ball head is provided with a chute joint ridges handle slider, slider in the chute slide, different activities can be achieved while the angle of the shoulder joint, but also to ensure its stability, contribute to the early realization of the patient's shoulder joint.

附图说明 BRIEF DESCRIPTION

[0014] 图1是本发明人工肩关节的结构示意图。 [0014] FIG. 1 is a structural diagram of the present invention, an artificial shoulder joint.

[0015] 图2是本发明人工肩关节的另一结构示意图。 [0015] FIG. 2 is a schematic view of another artificial shoulder joint of the present invention.

[0016] 图3是本发明人工肩关节的另一结构示意图。 [0016] FIG. 3 is a schematic view of another artificial shoulder joint of the present invention.

[0017] 图4是本发明人工肩关节的另一结构示意图。 [0017] FIG. 4 is a schematic view of another artificial shoulder joint of the present invention.

[0018]图5是本发明人工肩关节的上半球的滑槽的结构示意图。 [0018] FIG. 5 is a schematic view of the chute of the present invention, an artificial shoulder joint of the upper hemisphere.

[0019] 图6是本发明人工肩关节的关节柄的剖视图。 [0019] FIG. 6 is a sectional view of the stem of artificial joint according to the present invention, the shoulder joint.

[0020] 图中:1、肩胛盂;2、球头;3、关节柄;4、上半球;5、下半球;6、滑槽;7、滑块;8、气压杆;9、凹面。 [0020] FIG: 1, the glenoid; 2, ball head; 3, articulation handle; 4, upper hemisphere; 5, the lower hemisphere; 6, chute; 7, a slider; 8, gas strut; 9 concave.

具体实施方式 Detailed ways

[0021] 如图1-6所示,一种人工肩关节,包括肩胛盂1、球头2和关节柄3,球头2的材质为CoCrMo合金,关节柄3的材质为CoCrMo合金,肩胛盂1的材质为高铰链超高分子量聚乙烯,球头2连接于肩胛盂1上,肩胛盂1的一端为圆弧形凹面9,球头2位于凹面9内,关节柄3活动连接于球头2上,球头2包括上半球4和下半球5,上半球4表面设有滑槽6,关节柄3的脊上设有T形结构的滑块7,滑块7可在滑槽6内滑动,关节柄3内侧与球头2之间连接有两个气压杆8,气压杆8的固定端活动连接于球头2的下半球5上,气压杆8的活动杆的端部活动连接于关节柄3内侧。 [0021] As shown in Figure 1-6, an artificial shoulder joint, comprising a glenoid, a ball joint head 2 and handle 3 material, the ball head 2 of CoCrMo alloy material of the shank 3 of the joint CoCrMo alloy glenoid 1 is made high hinge ultrahigh molecular weight polyethylene, the ball 2 is connected to the glenoid 1, 1 is an end glenoid 9 arcuate concave, concave ball 9 is located in the 2, 3 movably connected to the lever joint ball 2, the ball head 2 includes an upper hemisphere and lower hemisphere 5 4, 4 is provided with a hemispherical upper surface of the chute 6, the joint 3 is provided with a handle ridge structure 7 T-shaped slider, the slider 7 may be within the chute 6 sliding joint stem connector between the ball 3 and the inner 2 there are two pneumatic rod 8, the fixed end of the movable pressure rod 8 is connected to the lower hemispherical ball 52, the pressure rod end Events rod 8 is connected to the 3 the inner joint stem.

[0022] 本实例的工作过程:肩胛盂1代替人体肩胛盂关节,将关节柄3的远端固定于人体肱骨头上,摆动关节柄3,其上的滑块7在滑槽6内滑动,移动到一定角度时,气压杆8支撑在关节柄3和球头2的下半球5之间,在实现肩关节活动一定角度的同时,又能够保证其稳定性,有助于早日实现患者的肩关节活动。 [0022] The operation of this example: 1 instead of the body of the glenoid of the glenoid joint, the distal end of the handle 3 is fixed to the joint body humeral head, the stem pivot joint 3, on which the slider 7 slides within the chute 6, when moved to a certain point, the pressure between the joint bar 8 is supported at the shank 53 and the hemisphere of the ball 2, while achieving a certain angle of the shoulder joint, but also to ensure its stability, contribute to the early realization of the patient's shoulder joint activities.

[0023] 以上对本发明的实施例进行了详细说明,但所述内容仅为本发明的较佳实例,不能被认为用于限定本发明的实施范围。 [0023] The embodiments of the present invention will be described in detail, but only for a preferred embodiment of the invention, not to be considered to define the scope of the present invention. 凡依本发明申请范围所作的均等变化与改进等,均应仍归属于本发明的专利涵盖范围之内。 Where alterations of improvement under this scope of application of the invention made by the patent shall yet fall within the scope of the present invention.

Claims (8)

1.一种人工肩关节,其特征在于:包括肩胛盂、球头和关节柄,所述球头连接于肩胛盂上,所述关节柄活动连接于球头上,所述球头包括上半球和下半球,所述上半球的表面设有滑槽,所述关节柄的脊上设有滑块,所述滑块可在滑槽内滑动,所述关节柄内侧与球头之间连接有支撑元件。 1. An artificial shoulder joint, characterized by: a glenoid, and the ball joint shank, the ball head connected to the glenoid, the articulation handle movably connected to the ball head, the ball head comprising an upper hemisphere and a lower hemisphere, said hemisphere upper surface of the chute is provided, the articulation handle ridge provided a slider that is slidable within chute connecting joint between the shank and the inner ball head the support member.
2.根据权利要求1所述的一种人工肩关节,其特征在于:所述肩胛盂的一端为圆弧形凹面,所述球头位于凹面内。 An artificial shoulder joint according to claim 1, wherein: said one end of the glenoid arcuate concave surface, the concave surface of the ball is located.
3.根据权利要求1所述的一种人工肩关节,其特征在于:所述支撑元件为气压杆,所述气压杆的固定端活动连接于球头的下半球上,所述气压杆的活动杆的端部活动连接于关节柄内侧。 The active element is a gas strut support fixed end of the movable rod is connected to the air pressure on the lower hemisphere of the ball, the air pressure bar: according to an artificial shoulder joint of the claim 1, characterized in that end portion connected to the movable rod inside the handle joint.
4.根据权利要求3所述的一种人工肩关节,其特征在于:所述气压杆为两个。 An artificial shoulder joint as claimed in claim 3, wherein: said gas strut is two.
5.根据权利要求1所述的一种人工肩关节,其特征在于:所述滑块为T形结构。 An artificial shoulder joint according to claim 1, wherein: the slider is a T-shaped configuration.
6.根据权利要求1-5任一项所述的一种人工肩关节,其特征在于:所述球头的材质为CoCrMo合金或陶瓷。 6. An artificial shoulder joint according to claim any one of claims 1-5, characterized in that: the material of the ball head is CoCrMo alloys or ceramics.
7.根据权利要求1-5任一项所述的一种人工肩关节,其特征在于:所述关节柄的材质为CoCrMo 合金、T1-6A1-4V 或Ti_6Al_7Nb。 7. An artificial shoulder joint according to claim any one of claims 1-5, characterized in that: said joint shank is made of CoCrMo alloy, T1-6A1-4V or Ti_6Al_7Nb.
8.根据权利要求1-5任一项所述的一种人工肩关节,其特征在于:所述肩胛盂的材质为高铰链超高分子量聚乙烯。 8. An artificial shoulder joint according to claim any one of claims 1-5, characterized in that: said material of high glenoid hinge ultrahigh molecular weight polyethylene.
CN201510370211.9A 2015-06-29 2015-06-29 An artificial shoulder joint CN104887358B (en)

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CN104887358B CN104887358B (en) 2017-04-26

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3978528A (en) * 1975-06-26 1976-09-07 Howmedica, Inc. Bone and joint prosthesis
CN2079034U (en) * 1990-10-29 1991-06-19 张育成 Artificial whole shoulder joint with scapula
CN2151725Y (en) * 1993-02-26 1994-01-05 张育成 Positively fixed artificial full shoulder joint
US20130013079A1 (en) * 2011-07-08 2013-01-10 Floyd Franklin Castro Semi-constrained ball and socket joints
CN204766048U (en) * 2015-06-29 2015-11-18 北京贝思达生物技术有限公司 Artificial shoulder joint

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3978528A (en) * 1975-06-26 1976-09-07 Howmedica, Inc. Bone and joint prosthesis
CN2079034U (en) * 1990-10-29 1991-06-19 张育成 Artificial whole shoulder joint with scapula
CN2151725Y (en) * 1993-02-26 1994-01-05 张育成 Positively fixed artificial full shoulder joint
US20130013079A1 (en) * 2011-07-08 2013-01-10 Floyd Franklin Castro Semi-constrained ball and socket joints
CN204766048U (en) * 2015-06-29 2015-11-18 北京贝思达生物技术有限公司 Artificial shoulder joint

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