CN103239242A - 用于精确测量手指屈伸肌力的装置 - Google Patents

用于精确测量手指屈伸肌力的装置 Download PDF

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CN103239242A
CN103239242A CN2013101721934A CN201310172193A CN103239242A CN 103239242 A CN103239242 A CN 103239242A CN 2013101721934 A CN2013101721934 A CN 2013101721934A CN 201310172193 A CN201310172193 A CN 201310172193A CN 103239242 A CN103239242 A CN 103239242A
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丁文全
汤锦波
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Suzhou University
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Abstract

本发明公开了一种用于精确测量手指屈伸肌力的装置,测力计固定平台上设置承载手指的手指承载固定网板,测力计固定平台与手指承载固定网板组成凹字形结构;在凹字形结构的凹口下方设置腕掌承载固定网板,腕掌承载固定网板为上下两层网板结构形式;测力计与测力计固定板固定连接,测力计固定板与测力计固定平台连接;另配有插装在手指承载固定网板、腕掌承载固定网板上,并限定腕、掌、手指位置的固定钉。本发明结构合理,使用方便,测量精确,工作性能好;所测正常人群手指屈伸肌力参考值将对于病情评价,术前评估等有重要价值。

Description

用于精确测量手指屈伸肌力的装置
技术领域
本发明涉及一种测量手指屈伸肌力的装置。
背景技术
臂丛神经损伤,神经卡压,手指部分缺损是手外科临床常见病,这些都会影响一个或多个手指屈伸肌力。目前除拇指以外的其余四指中单一手指的屈伸肌力测量尚没有经过系统研究,常用肌力评价方法采用徒手肌力测量(manual muscle testing ,MMT),将肌力分为0-5级,其评定方法过于笼统,如判定2/3级,以抗自身重力为标准,而手指自身重力很小,因此其判定结果不适合临床评价病情和恢复随访,精确测量手指屈伸肌力势在必行。
手指屈伸肌力受多因素影响,如肌腹收缩力量,肌腱松紧状态,多组肌肉、肌腱的组合作用(如屈近侧指间关节时屈力为指深、浅屈肌共同作用),关节状态(如腕关节尺桡偏、屈、伸+掌指关节屈、伸+近侧指间关节屈、伸+远侧指间关节屈、伸)等。因此测定多状态下手指屈伸肌力制定参考值范围,为临床评估病人有很大意义。
目前国内外对于手指肌力研究主要集中在手内在肌所产生肌力范围,创造出一些测量设备,其中大部分为手持设备,不能避免测试者牵拉所产生的影响。对于手指屈伸肌力的精确测量装置研究甚少。
发明内容
本发明的目的在于提供一种结构合理,工作性能好、使用方便的用于精确测量手指屈伸肌力的装置。
本发明的技术解决方案是:
一种用于精确测量手指屈伸肌力的装置,其特征是:包括与支脚连接测力计固定平台,测力计固定平台上设置承载手指的手指承载固定网板,手指承载固定网板为高度可调形式,测力计固定平台与手指承载固定网板组成凹字形结构;在凹字形结构的凹口下方设置腕掌承载固定网板,腕掌承载固定网板为上下两层网板结构形式,且上下两层网板间隔20mm;测力计与测力计固定板固定连接,测力计固定板与测力计固定平台连接;测力计固定平台、手指承载固定网板、腕掌承载固定网板、测力计固定板均为网孔板形式,且腕掌承载固定网板的上下两层网板的网孔上下重合,手指承载固定网板的网孔与腕掌承载固定网板的上层网板的网孔上下重合;另配有插装在手指承载固定网板、腕掌承载固定网板上,并限定腕、掌、手指位置的固定钉。
所述网孔直径为3mm,固定钉直径为3mm。
本发明结构合理,使用方便,测量精确,工作性能好;所测正常人群手指屈伸肌力参考值将对于病情评价,术前评估等有重要价值。
附图说明
下面结合附图和实施例对本发明作进一步说明。
图1是本发明一个实施例的结构示意图。
图2是图1的使用状态示意图。
具体实施方式
一种用于精确测量手指屈伸肌力的装置,包括与支脚1连接测力计固定平台2,测力计固定平台上设置承载手指的手指承载固定网板3,手指承载固定网板为高度可调形式,以适应受试者从手掌尺侧缘指至测试手指尺侧缘的高度;测力计固定平台与手指承载固定网板组成凹字形结构;在凹字形结构的凹口下方设置腕掌承载固定网板,腕掌承载固定网板为上下两层网板4、5结构形式,且上下两层网板4、5间隔20mm;测力计6与测力计固定板7固定连接,测力计固定板与测力计固定平台2连接(测量时,取固定钉将两者临时固定,避免手指用力时测力计发生移动,另外可以避免测试者人为对抗牵拉时造成的测量误差);测力计固定平台、手指承载固定网板、腕掌承载固定网板、测力计固定板均为网孔板形式,为使固定钉插于网孔中不发生摇晃,腕、掌承载固定网板设计为上下双层板结构,下层与测试桌面间隔20mm。腕掌承载固定网板的上下两层网板的网孔上下重合,手指承载固定网板的网孔与腕掌承载固定网板的上层网板的网孔上下重合,以保证固定钉竖直位插入;另配有插装在手指承载固定网板、腕掌承载固定网板上,并限定腕、掌、手指位置的固定钉8。
所述网孔直径为3mm,固定钉直径为3mm。
测力计可选市售推拉力计(如艾德堡HP-200型,数字显示,量程0-200N,精确度0.1N,峰值自动保存功能)。本发明暂选取3处测力点,分别位于三节手指的中段,从远端至近端分别为:第一、第二、第三测力点。这三处测力点模拟手指抓握时的三处接触点。测力时应保持测力条带与该节手指垂直。测量手指屈力时采用测量拉力法,将测力条带一段与测力计头端固定,另一端环绕于手指测力点处,嘱被测试者用力屈曲手指,其屈力峰值会被自动记录;测量手指伸力时采用测推力,将手指背侧用测力计头端接触,嘱被测试者用力伸手指,其伸力峰值会被自动记录。
测量时,前臂取旋转中立位,前臂尺侧及手指尺侧缘放置于腕掌承载固定网板上,根据目标手指,调节手指承载固定网板高度以适应之。腕关节、掌指关节、近侧指间关节、远侧指间关节被固定钉稳妥固定。例如在“手功能位”测试第一测力点的屈力时,可将各关节固定于腕关节背伸30°+掌指关节屈曲45°+近侧指间关节屈曲45°位,用测力条带或测力计头端将远侧指间关节固定于屈曲45°。同时可根据测量需要,灵活改换关节固定角度,操作方便,测量准确,不同测试个体间可在相同关节角度下比较,具有可比性。

Claims (2)

1.一种用于精确测量手指屈伸肌力的装置,其特征是:包括与支脚连接测力计固定平台,测力计固定平台上设置承载手指的手指承载固定网板,手指承载固定网板为高度可调形式,测力计固定平台与手指承载固定网板组成凹字形结构;在凹字形结构的凹口下方设置腕掌承载固定网板,腕掌承载固定网板为上下两层网板结构形式,且上下两层网板间隔20mm;测力计与测力计固定板固定连接,测力计固定板与测力计固定平台连接;测力计固定平台、手指承载固定网板、腕掌承载固定网板、测力计固定板均为网孔板形式,且腕掌承载固定网板的上下两层网板的网孔上下重合,手指承载固定网板的网孔与腕掌承载固定网板的上层网板的网孔上下重合;另配有插装在手指承载固定网板、腕掌承载固定网板上,并限定腕、掌、手指位置的固定钉。
2.根据权利要求1所述的用于精确测量手指屈伸肌力的装置,其特征是:所述网孔直径为3mm,固定钉直径为3mm。
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CN104605869A (zh) * 2015-02-15 2015-05-13 中国人民解放军第三军医大学第一附属医院 手指肌力定量测量仪及其测量方法
CN110200646A (zh) * 2019-07-03 2019-09-06 首都医科大学附属北京天坛医院 肌力定量测试仪及肌力定量测试方法
CN110522453A (zh) * 2019-09-02 2019-12-03 河南省中医院(河南中医药大学第二附属医院) 一种手拇指功能测定装置
CN111358476A (zh) * 2020-05-27 2020-07-03 成都泰盟软件有限公司 一种指力传感器及包含该传感器的肌肉反应监测系统

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FR3086859B1 (fr) * 2018-10-04 2021-01-01 Inst Nat Sante Rech Med Dispositif de quantification de la dexterite

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CN110200646A (zh) * 2019-07-03 2019-09-06 首都医科大学附属北京天坛医院 肌力定量测试仪及肌力定量测试方法
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CN110522453A (zh) * 2019-09-02 2019-12-03 河南省中医院(河南中医药大学第二附属医院) 一种手拇指功能测定装置
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