CN101069659B - 假肢内筒系统 - Google Patents

假肢内筒系统 Download PDF

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CN101069659B
CN101069659B CN2007101028485A CN200710102848A CN101069659B CN 101069659 B CN101069659 B CN 101069659B CN 2007101028485 A CN2007101028485 A CN 2007101028485A CN 200710102848 A CN200710102848 A CN 200710102848A CN 101069659 B CN101069659 B CN 101069659B
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inner core
keeper
inner shaft
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shaft system
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CN101069659A (zh
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克里斯蒂安·克莱因
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Otto Bock Healthcare Products GmbH
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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
    • A61F2/50—Prostheses not implantable in the body
    • A61F2/78—Means for protecting prostheses or for attaching them to the body, e.g. bandages, harnesses, straps, or stockings for the limb stump
    • A61F2/7812—Interface cushioning members placed between the limb stump and the socket, e.g. bandages or stockings for the limb stump
    • 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
    • A61F2/50—Prostheses not implantable in the body
    • A61F2/68—Operating or control means
    • A61F2/70—Operating or control means electrical
    • A61F2/72—Bioelectric control, e.g. myoelectric
    • 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
    • A61F2/50—Prostheses not implantable in the body
    • A61F2002/5081—Additional features
    • A61F2002/5083—Additional features modular
    • 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
    • A61F2/50—Prostheses not implantable in the body
    • A61F2/78—Means for protecting prostheses or for attaching them to the body, e.g. bandages, harnesses, straps, or stockings for the limb stump
    • A61F2/80—Sockets, e.g. of suction type
    • A61F2002/802—Suction sockets, i.e. utilizing differential air pressure to retain the prosthesis on the stump
    • A61F2002/805—Suction sockets, i.e. utilizing differential air pressure to retain the prosthesis on the stump having an air valve

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  • Health & Medical Sciences (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

本发明涉及具有内筒(30)的假肢内筒系统，该内筒可在假肢外筒(40)内与用于其它假肢部件的容纳装置连接地构成并且具有至少一个用于传导安置在内筒(30)上的电极(2)的肌电信号的开口，其中，电极(2)固定在一个密封地封闭该开口的保持件(1)内。

Description

假肢内筒系统
技术领域
本发明涉及假肢内筒系统，具有一个内筒，它可与假肢外筒连接地安置在假肢外筒内。
背景技术
假肢元件如假肢膝关节、假肢小腿或者假手固定在假肢筒上，假肢筒固定在假肢使用者的相应残肢上。在此，根据所希望的功能范围区分为纯美容的假肢、机械操作的假肢或生物电控制的假肢。在这里，各个要替代的肢体或功能元件或驱动装置安置在所谓的外筒上，外筒可固定在直接贴在残肢上的内筒上。
在肌电控制的假肢中，必须将活动电势从残肢肌肉系统中导出。这些电势在肌肉收缩时产生并且在假肢戴用者的皮肤表面上可测到。由电极获取的电势被放大并传导给控制单元，该控制单元将致动器激活或去激活。
从现有技术中知道，设置具有开口的内筒，电极可插入该开口内。电极和内筒开口之间存在一定间隙量，它可导致电极和内筒之间的相对运动。由于内筒和电极之间的间隙，汗水会渗入内筒和外筒之间的中间空间内，它可腐蚀电气和电子部件，也使内筒的清洁变得困难。
发明内容
本发明的任务是，提供一种改进的假肢内筒系统，在该系统中不出现这些缺点。按照本发明，该任务通过一种假肢内筒系统解决。在其它技术方案中说明了本发明的扩展和进一步构造。
按照本发明的假肢内筒系统具有一个内筒，该内筒在假肢外筒内可与用于其它假肢部件的容纳装置连接地构成并且具有至少一个用于传导支承在内筒上的电极的肌电信号的开口，规定，该电极固定在密封地封闭该开口的保持件上。因此可以将内筒构造为一个吸筒，使得内筒和电极或者电极保持件之间没有间隙。空气或汗水就不能渗入电极保持件和内筒之间或从中出来。通过此保护其余假肢部件例如电部件或蓄电池防汗。在清洁或者在使用润肤膏时，没有材料到达外筒内。通过将带有电极的保持件气密地安装到内筒上保持筒的真空效应，保证残肢和电极之间更好地接触以及内筒更可靠地固定在残肢上。此外，在将内筒从残肢模中打出后铣削开口，通过此使可构造为叠层内筒或者拉深内筒的内筒的制造更简单。保持件则可单独插入开口内。
在此，保持件优选由弹性材料、特别是硅树脂或其它有利于皮肤的或者皮肤可承受的材料制成。电极可以注塑到保持件内，例如在双组分注塑方法范围内，或者粘入、压入或形状锁合地保持在其中。因此，肌电的电极组合在保持件中并且可以插入内筒内。
保持件优选构造有一个槽，内筒在安装状态下插入该槽中并且实现形状锁合的和密封的支承。优选该槽环绕地在保持件中构成，使得保持件在内侧和外侧完全覆盖或搭接开口的边缘。由此，内筒在保持件上被夹在两个紧贴在内筒上的密封唇之间。
本发明的一个扩展构造规定，内筒与外筒用一个管连接，在该外筒上安置了另外的假肢配合件。为了将残肢拉入内筒中，该管是必需的。优选在内筒上固定一个单向阀，它将位于内筒中的空气压出来，具体说在残肢每次在内筒中运动时。该阀可安置在内筒与外筒之间的连接管内并且封闭该管。通过相应协调该阀与连接管可附加防止软部件被拉入连接管内。
保持件优选弹性地或者柔性地构造，以补偿残肢形状的不均匀性，使得电极触头始终良好地接触在皮肤上。
优选朝向残肢的保持件侧面扁平地、特别是截球形地构成，这样，由于组合有电极的注塑件的形状，不会出现或者仅出现很少的受压部位，因为保持件几乎不从内筒侧的表面突出。
为了更好地使保持件通过压入或者扣入进入内筒内，可以将密封件置入槽内或者内筒与保持件之间的接触区域内，例如硅树脂，这使得密封改善。
发明内容
下面借助于附图详细解释一个实施例。图中示出：
图1  具有已插入的电极的保持件的俯视图和侧视图；
图2  电极的从上面和下面看的正视图的立体图；
图3  从筒内侧看的不带电极的保持件；
图4  按照图3的保持件的背面；
图5  具有已插入的电极的内筒；以及
图6  具有已插入的内筒的部分剖切的外筒。
具体实施方式
图1示出一个带有插入其中的电极2的保持件1，电接头3用于传导通过皮肤触头4、5和6接收的肌肉群活动电势。在左边的侧视图中可看到保持件1的朝向残肢侧的表面13的截球形构造、构造出的槽10和固定接片11。内筒插入该槽10内。通过将电极保持件从内向外压入内筒的开口内，其中，内筒的开口这样大，以致轮廓被容纳在槽10内部并且被保持件1内侧面和固定接片11覆盖，实现了内筒内的开口的不透气和不透水的密封。电极背面上的旋转开关7使得可以在贴靠状态下调节已安装的电极2。
电极2可以注塑、粘接、挤入或者形状锁合地压入到保持件内。
在图2的立体视图中可看到在保持件1内已安装完毕的电极2。
在电极和保持件多件式构造的方案中，如在图3或4中以不同视图示出的那样，保持件1制造为用皮肤可接受的材料例如硅树脂制成的铸件或注塑件并且设置有一个用于嵌入导出电极2的开口12。
图5中从斜后方示出一个内筒30，即从残肢、在这里是残臂的导入方向。内筒30构造为吸筒并且在内侧具有电极2，该电极通过一个截球形的保持件1固定在内筒30上。保持件1在内筒30内侧的轮廓构造得仅稍微隆起，以便一方面能够达到尽可能舒适的戴用感觉而没有受压部位，另一方面保证电极2牢固贴靠到残肢上以致可以持续导出肌电图信号。如上面所说明的那样，保持件1设置有环绕的槽10，内筒3插入该槽内，这样，该必要的开口通过空气和湿气密封地封闭。
图6示出具有内筒30和外筒40的一个假肢件，其中外筒以部分剖视图示出。内筒30通过螺钉34固定到稳定的外筒40上。此外在外筒40内设置了一个孔32，通过它可在旋转开关7上调节固定在内筒30中的电极2。
在部分剖视图中可看到，内筒30与外筒40通过一个连接管5连接。连接管5使得位于内筒30内的空气可以在合适的位置上穿过外筒40流出。为了避免空气回流，在连接管5内安置了一个单向阀6。通过操作手柄15，O形圈16贴靠到连接管5上，从而将内筒30不透气地密封。由此空气只能还通过单向阀6流出。

Claims (10)

1.假肢内筒系统，具有一个内筒，该内筒构造得可在假肢外筒内与用于其它假肢部件的容纳装置连接，并且，该内筒具有至少一个用于传导安置在内筒上的电极(2)的肌电信号的开口，该电极(2)固定在一个密封地封闭该开口的保持件(1)内，其特征为，在保持件(1)上构造出一个槽(10)，内筒(3)插入该槽内，保持件(1)在内侧和外侧完全覆盖内筒(30)的所述开口的边缘。
2.按照权利要求1所述的假肢内筒系统，其特征为，保持件(1)用弹性材料构成。
3.按照权利要求1或2所述的假肢内筒系统，其特征为，电极(2)注塑、粘接、压入或者形状所合地保持在保持件(1)内。
4.按照权利要求1或2所述的假肢内筒系统，其特征为，保持件(1)的朝向残肢的侧面扁平地构成。
5.按照权利要求1所述的假肢内筒系统，其特征为，在内筒(30)上安置一个引到外筒(40)的连接管(5)。
6.按照权利要求5所述的假肢内筒系统，其特征为，在内筒(30)上固定一个单向阀(6)，它允许内筒(30)内的空气流出。
7.按照权利要求6所述的假肢内筒系统，其特征为，该单向阀(6)安置在连接管(5)内。
8.按照权利要求1或2所述的假肢内筒系统，其特征为，保持件(1)弹性地构成。
9.按照权利要求1所述的假肢内筒系统，其特征为，保持件(1)用硅树脂构成。
10.按照权利要求1或2所述的假肢内筒系统，其特征为，保持件(1)的朝向残肢的侧面截球形地构成。
CN2007101028485A 2006-05-09 2007-05-09 假肢内筒系统 Active CN101069659B (zh)

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DE202006007460U DE202006007460U1 (de) 2006-05-09 2006-05-09 Protheseninnenschaftsystem
DE202006007460.0 2006-05-09

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EP (1) EP1857081B1 (zh)
JP (1) JP4851384B2 (zh)
CN (1) CN101069659B (zh)
CA (1) CA2584954C (zh)
DE (1) DE202006007460U1 (zh)
ES (1) ES2592715T3 (zh)
RU (1) RU2428147C2 (zh)

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CA2584954A1 (en) 2007-11-09
DE202006007460U1 (de) 2007-09-13
EP1857081A3 (de) 2007-12-05
EP1857081B1 (de) 2016-06-29
RU2428147C2 (ru) 2011-09-10
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US20070265711A1 (en) 2007-11-15
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CA2584954C (en) 2015-02-24
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CN101069659A (zh) 2007-11-14
US7670385B2 (en) 2010-03-02

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