CN105832448A - Intelligent knee joint tibia platform test pad module - Google Patents

Intelligent knee joint tibia platform test pad module Download PDF

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Publication number
CN105832448A
CN105832448A CN201610329382.1A CN201610329382A CN105832448A CN 105832448 A CN105832448 A CN 105832448A CN 201610329382 A CN201610329382 A CN 201610329382A CN 105832448 A CN105832448 A CN 105832448A
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China
Prior art keywords
knee joint
test pad
provided
load
pad module
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CN201610329382.1A
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Chinese (zh)
Inventor
刘念
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嘉思特华剑医疗器材(天津)有限公司
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Priority to CN201610329382.1A priority Critical patent/CN105832448A/en
Publication of CN105832448A publication Critical patent/CN105832448A/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
    • A61F2/38Joints for elbows or knees
    • A61F2/3859Femoral components
    • 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
    • A61F2/38Joints for elbows or knees
    • A61F2/3877Patellae or trochleae
    • 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
    • A61F2/38Joints for elbows or knees
    • A61F2/389Tibial components
    • 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
    • A61F2/46Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor
    • A61F2/468Testing instruments for artificial joints
    • 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
    • A61F2/28Bones
    • A61F2002/2825Femur
    • 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
    • A61F2/28Bones
    • A61F2002/2892Tibia

Abstract

The invention relates to the field of medical apparatus and instruments, in particular to an intelligent knee joint tibia platform test pad module. The intelligent knee joint tibia platform test pad module comprises a tibia platform test pad body which is provided with an accommodating cavity and a force measurement chip which is arranged in the accommodating cavity. The force measurement chip is arranged in the accommodating cavity in the intelligent knee joint tibia platform test pad module, so that the stress distribution situation of the platform on the inner side and the outer side of a knee joint during a moving process can be measuredanddisplayed accurately through pressure sensor probes which are uniformly arranged on a force measurement plate frame when a movement test is performed on athe knee joint; causes are excluded in time in an operation; uniform distribution of the stress is realized; effective cooperation of artificial prostheses of various parts is ensured.

Description

智能化膝关节胫骨平台试垫模块 Intelligent tibial knee pad test module

技术领域 FIELD

[0001]本发明涉及医疗器械领域,尤其涉及智能化膝关节胫骨平台试垫模块。 [0001] The present invention relates to the field of medical devices, and particularly to intelligent trial tibial knee pad module.

背景技术 Background technique

[0002]膝关节是人体最大的关节,许多国内外的专家和学者对正常步态中膝关节的活动进行了研究,发现膝关节运动很复杂,不是简单的屈伸运动。 [0002] is the largest human knee joints, many domestic and foreign experts and scholars normal gait knee activities were investigated and found that knee movement is complex, not simple flexion and extension. 膝关节包含了屈伸、收展及沿肢体长轴的旋转,膝关节的各类运动是由股骨髁、半月板、胫骨近端平台和髌骨联动来实现的。 Knee flexion and extension contains, development and yield of rotation along the long axis of the limb, by various types of motion of the femoral condyle of the knee, menisci, proximal tibia and patella internet linkage to achieve. 全膝关节置换手术,是用人工假体将以上部件进行永久替代的手术,所以,各部件的人工假体是否能实现其原有的生理解剖功能是决定全膝关节手术后运动能力恢复的关键。 Total knee replacement surgery, is more permanent replacement parts surgical prosthesis, so the prosthesis can be achieved if the various components of the anatomy and physiology of its original function after total knee surgery is the key to athletic recovery decisions .

[0003]现有的膝关节假体主要包括股骨髁假体、胫骨托假体和胫骨垫假体;胫骨托假体被置入到患者胫骨中,然后将胫骨垫假体固定在胫骨托上,患者股骨的股骨关节面抵靠在胫骨垫假体上。 [0003] The conventional knee prosthesis includes a femoral condyle prosthesis tibial tray prosthesis and the tibial cushion prosthesis; tibial tray prosthesis is inserted into the patient's tibia, and then the tibial cushion prosthesis secured to the tibial tray femoral articular surface of a patient's femur tibia pad rests on the prosthesis. 胫骨垫假体两侧不对称的受力状态,更易产生假体与骨组织界面的松动、磨损甚至假体的破坏。 Tibial prosthesis pad on both sides of an asymmetric stress state, more susceptible to damage loosening of the prosthesis and the bone tissue interface, and even wear the prosthesis. 因此在植入胫骨垫假体前需要通过胫骨平台试垫进行调整,保证胫骨垫假体两侧对称受力。 Thus it needs to be adjusted by trial tibial cushion pad prior to implantation of the tibial prosthesis, the prosthesis to ensure bilateral symmetry force tibia pad.

[0004]现有的胫骨平台试垫无法准确测量显示膝关节内、外侧平台在活动过程中的受力分布情况,无法在术中及时排除导致受力异常的原因。 [0004] Existing tibial plateau pad test can not accurately measure display within the knee, lateral plateau force in the course of distribution, can not be immediately removed during surgery cause abnormal stress.

发明内容 SUMMARY

[0005]本发明所要解决的技术问题是克服现有技术中存在的不足,提供一种准确测量膝关节内、外侧平台在活动过程中的受力分布情况,便于术中调整的智能化膝关节胫骨平台试垫模块。 [0005] The present invention is to overcome the deficiencies of the technical problem present in the prior art, to provide an accurate measurement of the knee, the lateral plateau force in the course of distribution, to facilitate adjustment of the intelligent knee surgery tibial plateau test pad module.

[0006]本发明是通过以下技术方案予以实现: [0006] The present invention is realized by the following technical solutions:

[0007]智能化膝关节胫骨平台试垫模块,包括设有容纳空腔的胫骨平台试垫本体及设于容纳空腔内的测力芯片,所述测力芯片包括对应设于两侧的测力板及设于两测力板之间的芯片架,所述芯片架架上设有用于供电的电池,所述测力板包括测力板架及均匀设于测力板架上的压力传感器探头,测力芯片还设有将压力传感器测量压力信号输出的无线通讯模块。 [0007] intelligent trial tibial knee pad module, comprising a tibial platform is provided with receiving cavities provided in the test pad body and the load receiving die cavity, the die includes a corresponding load measurement provided on both sides and a force plate disposed between two force plates of the chip carrier, the chip carrier frame is provided with a battery for supplying power, said load plate includes a pressure sensor and a force plate holder disposed in a uniform load of the pallet probe, measuring the pressure sensor chip is also provided with a pressure measurement signal output from the wireless communication module.

[0008]所述压力传感器探头为圆柱体,且压力传感器探头伸出测力板架平面。 [0008] The probe is a cylinder pressure sensor and the pressure sensor probe projecting load pallet plane.

[0009]本发明的有益效果是: [0009] Advantageous effects of the present invention are:

[0010]本发明内部的容纳空腔内设有测力芯片,在膝关节进行活动试验时,通过均匀设于测力板架上的压力传感器探头,准确测量显示膝关节内、外侧平台在活动过程中的受力分布情况,术中及时排除原因,做到受力均衡分布,保证各部件的人工假体有效配合。 [0010] When receiving the internal cavity of the present invention equipped with a force measuring chip, test activities at the knee, the force provided by a uniform pressure sensor probe holder plate, accurate measurement display knee, the lateral plateau activities force distribution process, intraoperative and remove the cause, so that the force is evenly distributed to ensure that the various components of prosthetic effective cooperation.

附图说明 BRIEF DESCRIPTION

[0011]图1是本发明的主视结构示意图。 [0011] FIG. 1 is a front view showing the structure of the present invention.

[0012]图2是本发明的立体结构示意图。 [0012] FIG. 2 is a perspective schematic view of the structure of the present invention.

[0013]图3是本发明的安装状态示意图。 [0013] FIG. 3 is a schematic diagram of the present invention mounted state.

[0014]图中:1.胫骨平台试垫本体,2.测力芯片,3.测力板,4.芯片架,5.电池,6.测力板架,7.压力传感器探头,8.股骨髁假体,9.胫骨托假体,1.让位部。 [0014] FIG: 1 tibial plateau test pad body 2 dynamometer chip, 3 force plate, 4 a chip carrier, 5 cells, 6 load pallet, 7 pressure sensor probe, 8....... femoral condyle prosthesis 9. tibial tray prosthesis 1. escaping spaces.

具体实施方式 Detailed ways

[0015]为了使本技术领域的技术人员更好地理解本发明的技术方案,下面结合附图和最佳实施例对本发明作进一步的详细说明。 [0015] In order to enable those skilled in the art better understand the technical solution of the present invention, the following detailed description in conjunction with the accompanying drawings Further embodiments and preferred embodiments of the present invention will.

[0016]如图所示,本发明包括设有容纳空腔的胫骨平台试垫本体I及设于容纳空腔内的测力芯片2,所述测力芯片包括对应设于两侧的测力板3及设于两测力板之间的芯片架4,所述芯片架架上设有用于供电的电池5,所述测力板包括测力板架6及均匀设于测力板架上的压力传感器探头7,测力芯片还设有将压力传感器测量压力信号输出的无线通讯模块。 [0016] As shown, the present invention comprises a receiving cavity provided with a tibial platform test pad disposed on the body I and the load receiving cavity die 2, the die comprises a load corresponding to the load is provided on both sides plate 3 and the chip carrier disposed between two force plate 4, of the chip carrier frame 5 is provided with a battery for supplying power, the load plate comprises a frame 6 and a force plate disposed on a uniform force plate holder a pressure sensor probe 7, the force-measuring chip wireless communication module also has a pressure sensor measuring the pressure signal output.

[0017]优选的,压力传感器探头为圆柱体,且压力传感器探头伸出测力板架平面, [0017] Preferably, the probe is a cylinder pressure sensor and the pressure sensor probe projecting force plate frame plane,

[0018]术中,通过智能化胫骨平台试垫复位后对膝关节进行活动试验,均匀设于测力板架上的压力传感器探头感应膝关节内、外侧平台在活动过程中的受力情况,并将测量数据通过无线通讯模块传出,外部的显示器将数据转换后直观显示,便于在术中及时排除原因,并进行有效调整,做到受力均衡分布,保证各部件的人工假体有效配合。 [0018] In operation, the knee joint through intelligent trial tibial plateau after reset activity test pad, evenly disposed in the inner plate carrier of the load sensing pressure sensor probe knee joint, the forces in the course outside the internet, measurement and outgoing data through the wireless communication module, the external display will visualize the data conversion, facilitates surgery and remove the cause and effectively adjust, so that even distribution of force, to ensure effective mating of each prosthesis member .

[0019]如图3所示,为本胫骨平台试垫安装于股骨髁假体8、胫骨托假体9之间的使用状态示意图。 [0019] FIG. 3, the present trial tibial prosthesis femoral condyle pad attached to the body 8, a schematic diagram used between 9 state tibial tray prosthesis.

[0020]胫骨平台试垫本体两侧表面适应于股骨髁假体及胫骨托假体设有让位部10。 [0020] The tibial surface of the body on both sides of the test pad is adapted to prosthetic femoral condyle and tibial prosthetic tray portion 10 is provided to make way.

[0021]另外,测力板的形状及压力传感器探头的分布排列方式还可以设计为满足使用需要的各种形式。 [0021] Further, the shape and arrangement of the pressure distribution sensor head force plates can also be designed to meet the needs of various forms.

[0022]以上所述仅是本发明的优选实施方式,应当指出,对于本技术领域的普通技术人员来说,在不脱离本发明原理的前提下,还可以做出若干改进和润饰,这些改进和润饰也应视为本发明的保护范围。 [0022] The above are only preferred embodiments of the present invention, it should be noted that those of ordinary skill in the art, in the present invention without departing from the principles of the premise, can make various improvements and modifications, such modifications and modifications should also be regarded as the protection scope of the invention.

Claims (2)

1.智能化膝关节胫骨平台试垫模块,其特征在于,包括设有容纳空腔的胫骨平台试垫本体及设于容纳空腔内的测力芯片,所述测力芯片包括对应设于两侧的测力板及设于两测力板之间的芯片架,所述芯片架架上设有用于供电的电池,所述测力板包括测力板架及均匀设于测力板架上的压力传感器探头,测力芯片还设有将压力传感器测量压力信号输出的无线通讯模块。 1. Intelligent trial tibial knee pad module, wherein the receiving cavity is provided comprising a tibial body and test pad provided on the load receiving die cavity, the die includes a corresponding load provided two force plate side of the chip carrier and disposed between two force plate, said chip carrier frame is provided with a battery for supplying power, the load plate and the carrier includes a force plate disposed uniformly load the pallet a pressure sensor probe, the force sensor chip further provided with a pressure signal output from the pressure measuring wireless communication module.
2.根据权利要求1所述的智能化膝关节胫骨平台试垫模块,其特征在于,所述压力传感器探头为圆柱体,且压力传感器探头伸出测力板架平面。 The intelligent trial tibial knee pad module according to claim 1, wherein said probe is a cylinder pressure sensor and the pressure sensor probe projecting load pallet plane.
CN201610329382.1A 2016-05-17 2016-05-17 Intelligent knee joint tibia platform test pad module CN105832448A (en)

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