CN203244400U - Device used for accurately measuring finger flexion-extension muscle force - Google Patents
Device used for accurately measuring finger flexion-extension muscle force Download PDFInfo
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- CN203244400U CN203244400U CN 201320253447 CN201320253447U CN203244400U CN 203244400 U CN203244400 U CN 203244400U CN 201320253447 CN201320253447 CN 201320253447 CN 201320253447 U CN201320253447 U CN 201320253447U CN 203244400 U CN203244400 U CN 203244400U
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Abstract
The utility model discloses a device used for accurately measuring finger flexion-extension muscle force. A finger bearing fixing screen board used for bearing fingers is arranged on a forcemeter fixing platform, the forcemeter fixing platform and the finger bearing fixing screen board form a structure shaped like a Chinese character 'ao', a wrist and palm bearing fixing screen board is arranged below a notch of the structure shaped like the Chinese character 'ao' and is of a structure with an upper screen board and a lower screen board, a forcemeter is fixedly connected with the forcemeter fixing board, the forcemeter fixing board is connected with the forcemeter fixing platform, and fixing nails used for being inserted on the finger bearing fixing screen board and the wrist and palm bearing fixing screen board and limiting the positions of the fingers, the wrist and the palm are provided. The device is reasonable in structure, convenient to use, accurate in measurement, and good in working performance. A measured reference value of the finger flexion-extension muscle force of normal people has important value for illness condition evaluation, pre-operation assessment and the like.
Description
Technical field
This utility model relates to a kind of device that finger bends and stretches muscular strength of measuring.
Background technology
Brachia plexus injury, neural card is pressed, and finger part is damaged to be hands surgical clinical commonly encountered diseases, and these all can affect one or more fingers and bend and stretch muscular strength.The dynamometry that bends and stretches of single finger does not still pass through systematic study in all the other four fingers except thumb at present, free-hand dynamometry (manual muscle testing is adopted in muscular strength evaluation methodology commonly used, MMT), muscular strength is divided into the 0-5 level, and its assessment method is too general, as judges 2/3 grade, take anti-self gravitation as standard, and the finger self gravitation is very little, so its result of determination is not suitable for the clinical evaluation state of an illness and recovery is followed up a case by regular visits to, and it is imperative that accurate measurement finger bends and stretches muscular strength.
Finger bends and stretches muscular strength and is subjected to multifactor impact, such as the belly of muscle contraction power, tendon degree of tightness state, the compound action of many group muscle, tendon (when bending proximal phalangeal joints Qu Liwei refer to deeply, musculus flexor superficialis combined effect), the joint state (inclined to one side such as carpal joint chi oar, bend, stretch+metacarpophalangeal joints bends, stretches+proximal phalangeal joints bends, stretches+distal interphalangeal joint bends, stretches) etc.Therefore measure to point under the multimode and bend and stretch muscular strength formulation reference range, for the clinical assessment patient has very large meaning.
Muscular strength research mainly concentrates on the inherent flesh of hands and produces the muscular strength scope for finger both at home and abroad at present, creates some measurement devices, and wherein major part is handheld device, the impact that can not avoid tester's tractive to produce.The device for accurately measuring research of bending and stretching muscular strength for finger is very few.
Summary of the invention
It is a kind of rational in infrastructure that the purpose of this utility model is to provide, and favorable working performance, easy to use being used for are accurately measured and pointed the device that bends and stretches muscular strength.
Technical solution of the present utility model is:
A kind of for accurately measuring the device that finger bends and stretches muscular strength, it is characterized in that: comprise being connected the ergometer fixed platform with leg, the finger carrying fixed network board of carrying finger is set on the ergometer fixed platform, finger carrying fixed network board is highly adjustable form, and the ergometer fixed platform forms the concave shape structure with finger carrying fixed network board; Carpometacarpal carrying fixed network board is set below the recess of concave shape structure, carpometacarpal carrying fixed network board be about two layers of mesh plate structure form, and two-layer web plate interval 20mm up and down; Ergometer is fixedly connected with the ergometer fixing head, and the ergometer fixing head is connected with the ergometer fixed platform; Ergometer fixed platform, finger carrying fixed network board, carpometacarpal carrying fixed network board, ergometer fixing head are the mesh plate form, and the up and down mesh of two-layer web plate of carpometacarpal carrying fixed network board coincides with the upper and lower, and the mesh of the upper strata web plate of the mesh of finger carrying fixed network board and carpometacarpal carrying fixed network board coincides with the upper and lower; Other is furnished with to be inserted into to point carries on fixed network board, the carpometacarpal carrying fixed network board, and limits the staple of wrist, the palm, finger position.
Described mesh diameter is 3mm, and the staple diameter is 3mm.
This utility model is rational in infrastructure, and is easy to use, measures accurately favorable working performance; The normal population of surveying finger bend and stretch the muscular strength reference value will be for state of an illness evaluation, assessment waits before the art important value.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and Examples.
Fig. 1 is the structural representation of an embodiment of this utility model.
Fig. 2 is the user mode sketch map of Fig. 1.
The specific embodiment
A kind of for accurately measuring the device that finger bends and stretches muscular strength, comprise with leg 1 and be connected ergometer fixed platform 2, the finger carrying fixed network board 3 of carrying finger is set on the ergometer fixed platform, finger carrying fixed network board is highly adjustable form, refers to the height of test finger ulnar border from the palm ulnar border to adapt to the experimenter; The ergometer fixed platform forms the concave shape structure with finger carrying fixed network board; Carpometacarpal carrying fixed network board is set below the recess of concave shape structure, carpometacarpal carrying fixed network board be about two-layer web plate 4,5 versions, and up and down two-layer web plate 4,5 interval 20mm; Ergometer 6 is fixedly connected with ergometer fixing head 7, the ergometer fixing head is connected (during measurement with ergometer fixed platform 2, it is temporary fixed with both to get staple, and ergometer is moved the measurement error that causes in the time of can avoiding in addition the tester artificially to resist tractive when avoiding finger firmly); Ergometer fixed platform, finger carrying fixed network board, carpometacarpal carrying fixed network board, ergometer fixing head are the mesh plate form, for being inserted in the mesh, do not rock staple, wrist, palm carrying fixed network board are designed to the Dual-layer plate structure, lower floor and test desktop interval 20mm.The up and down mesh of two-layer web plate of carpometacarpal carrying fixed network board coincides with the upper and lower, and the mesh of the upper strata web plate of the mesh of finger carrying fixed network board and carpometacarpal carrying fixed network board coincides with the upper and lower, and vertically inserts the position to guarantee staple; Other is furnished with to be inserted into to point carries on fixed network board, the carpometacarpal carrying fixed network board, and limits the staple 8 of wrist, the palm, finger position.
Described mesh diameter is 3mm, and the staple diameter is 3mm.
The optional commercially available pull and push dynamometer of ergometer (such as Ai De fort HP-200 type, numeral shows, range 0-200N, degree of accuracy 0.1N, the automatic hold function of peak value).This utility model is chosen 3 place's force-detecting positions temporarily, lays respectively at the stage casing of three joint fingers, is respectively from far-end to near-end: first, second, third force-detecting position.Three place's contact points during this three places force-detecting position simulation finger grip.Should keep the dynamometry band vertical with this joint finger during dynamometry.Measure to adopt when finger is bent power and measure tension method, one section of dynamometry band is fixed with the ergometer head end, the other end is surrounded on finger force-detecting position place, advises testee's flexing finger of exerting oneself, and its power peak value in the wrong can be automatically recorded; Measure to adopt when finger is stretched power and survey thrust, will point dorsal part and contact with the ergometer head end, advise the testee firmly to stretch out one's hand finger, it is stretched the power peak value and can be automatically recorded.
During measurement, forearm is got the rotation neutral position, and forearm ulnar side and finger ulnar border are positioned on the carpometacarpal carrying fixed network board, according to the target finger, regulates finger carrying fixed network board height to adapt to it.Carpal joint, metacarpophalangeal joints, proximal phalangeal joints, distal interphalangeal joint are fixed, and nail is safe to be fixed.For example test the Qu Lishi of the first force-detecting position at " function of the hand ", each arthrodesis can be stretched 45 ° of positions of 45 °+proximal phalangeal joints of 30 °+metacarpophalangeal joints flexing flexing in wrist joint back, with dynamometry band or ergometer head end distal interphalangeal joint is fixed in 45 ° of flexings.Can change flexibly the arthrodesis angle according to measuring needs simultaneously, easy to operate, measure accurately, can under identical joint angles, compare between different test individualities, have comparability.
Claims (2)
1. one kind is used for accurately measuring the device that finger bends and stretches muscular strength, it is characterized in that: comprise being connected the ergometer fixed platform with leg, the finger carrying fixed network board of carrying finger is set on the ergometer fixed platform, finger carrying fixed network board is highly adjustable form, and the ergometer fixed platform forms the concave shape structure with finger carrying fixed network board; Carpometacarpal carrying fixed network board is set below the recess of concave shape structure, carpometacarpal carrying fixed network board be about two layers of mesh plate structure form, and two-layer web plate interval 20mm up and down; Ergometer is fixedly connected with the ergometer fixing head, and the ergometer fixing head is connected with the ergometer fixed platform; Ergometer fixed platform, finger carrying fixed network board, carpometacarpal carrying fixed network board, ergometer fixing head are the mesh plate form, and the up and down mesh of two-layer web plate of carpometacarpal carrying fixed network board coincides with the upper and lower, and the mesh of the upper strata web plate of the mesh of finger carrying fixed network board and carpometacarpal carrying fixed network board coincides with the upper and lower; Other is furnished with to be inserted into to point carries on fixed network board, the carpometacarpal carrying fixed network board, and limits the staple of wrist, the palm, finger position.
2. according to claim 1 it is characterized in that: described mesh diameter is 3mm for accurately measuring the device that finger bends and stretches muscular strength, and the staple diameter is 3mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320253447 CN203244400U (en) | 2013-05-10 | 2013-05-10 | Device used for accurately measuring finger flexion-extension muscle force |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320253447 CN203244400U (en) | 2013-05-10 | 2013-05-10 | Device used for accurately measuring finger flexion-extension muscle force |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203244400U true CN203244400U (en) | 2013-10-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320253447 Expired - Lifetime CN203244400U (en) | 2013-05-10 | 2013-05-10 | Device used for accurately measuring finger flexion-extension muscle force |
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| CN (1) | CN203244400U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103239242A (en) * | 2013-05-10 | 2013-08-14 | 丁文全 | Device for measuring finger flexion and extension muscle force accurately |
| WO2023248820A1 (en) * | 2022-06-22 | 2023-12-28 | 国立大学法人山口大学 | Manual muscle strength testing device |
-
2013
- 2013-05-10 CN CN 201320253447 patent/CN203244400U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103239242A (en) * | 2013-05-10 | 2013-08-14 | 丁文全 | Device for measuring finger flexion and extension muscle force accurately |
| CN103239242B (en) * | 2013-05-10 | 2014-11-05 | 苏州大学 | Device for measuring finger flexion and extension muscle force accurately |
| WO2023248820A1 (en) * | 2022-06-22 | 2023-12-28 | 国立大学法人山口大学 | Manual muscle strength testing device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20131023 Effective date of abandoning: 20141105 |
|
| RGAV | Abandon patent right to avoid regrant |