CN101816565B - Muscle spasm detection device - Google Patents
Muscle spasm detection device Download PDFInfo
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- CN101816565B CN101816565B CN2010101536094A CN201010153609A CN101816565B CN 101816565 B CN101816565 B CN 101816565B CN 2010101536094 A CN2010101536094 A CN 2010101536094A CN 201010153609 A CN201010153609 A CN 201010153609A CN 101816565 B CN101816565 B CN 101816565B
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- shell
- muscle
- housing
- shaped beam
- initial pressure
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Abstract
The invention provides a muscle spasm detection device, which consists of a shell, a pressure test mechanism, an initial pressure adjusting mechanism, a contact depth adjusting mechanism and a signal processing module, wherein the four angles of the shell are connected with a restraint strap respectively; the pressure test mechanism comprises a support arranged at the shell, a deformed beam, a strain gauge and a movable contact; the initial pressure adjusting mechanism comprises a shell body, an adjusting screw, a strut adapter and a spring; the contact depth adjusting mechanism comprises three shells, two adjusting screws, a strut and a sliding bar; and the signal processing module comprises an amplifier module, a filter module and a module for displaying the elastic modulus of the measured muscle. The device, which detects whether a muscle spasm occurs by measuring the muscle hardness, can perform quantitative analysis. The muscle spasm detection device has the advantages of simple structure, low cost and easy carry, and can be used in the rehabilitation training of the patients.
Description
Technical field
What the present invention relates to is a kind of checkout gear, particularly a kind of muscle spasm detection device.
Background technology
Along with science and technology development, the rehabilitation medical apparatus patient who is applied to dyskinesia more and more widely, but simultaneously, the rehabilitation medical apparatus has also brought some problems, because patient's limbs exist disabled, using medical apparatus and instruments to carry out being easy to take place muscle spasm in the process of rehabilitation training, if at this moment medical apparatus and instruments does not in time make the patient stop training, very easily bring pain and muscle sprain to the patient, therefore, how in rehabilitation training, to detect muscle spasm and medical apparatus and instruments is in time made a response seem particularly important.
The general complex structure of existing muscle spasm detection device equipment, cost height, great majority can only detect under the condition of patient's static state whether muscle spasm takes place, in the process that detects, need special power drive device, be difficult to detection is used for the process of rehabilitation training, the patient has perception to muscle spasm itself, so detect having little significance of muscle spasm under patient's static conditions.
The detection method of muscle spasm mainly contains objective assessment method and subjective assessment method, and objectively assessment method has nervous physiology assessment method and Biomechanical Evaluation method etc.Equipment and medical personnel that the nervous physiology assessment method needs specialty detect, and detection time is long, process is complicated.For the Biomechanical Evaluation method, needs of patients is done a series of actions according to medical personnel's requirement, is not suitable for detecting in rehabilitation training muscle spasm.Subjective assessment method is realized by the size that detects muscular tension, and the size of muscular tension and muscle hardness have confidential relation, therefore, can understand by the muscle hardness that detects the patient whether muscle spasm takes place.This method is compared with the front several method, and is effectively simple, is easy to realize.
Muscle hardness can be represented with elasticity of muscle modulus.Act on pressure certain on the muscle, muscle will deform, and the ratio of pressure and deflection is the elasticity of muscle modulus, and muscle hardness is big more, and the elasticity of muscle modulus is big more, otherwise then more little.Because muscle on the top layer of skin, could obtain the muscle hardness value so active force must overcome the tension force of skin.Find that by gopher retrievals such as CNKI, Wei Pu, all places data the paper information relevant with key word of the present invention has a lot, but majority is to be based upon the analysis of carrying out on the basis of original frame for movement design to illustrate, does not relate to the present invention's design.
Summary of the invention
The object of the present invention is to provide that a kind of structure is simple, cost is low, easy to carry, and the muscle spasm detection device that can in patient's rehabilitation training, use.
The object of the present invention is achieved like this:
The composition of muscle spasm detection device of the present invention comprises shell, restraint zone, stress test mechanism, initial pressure guiding mechanism, contact depth adjustment mechanism and signal processing module; Bar restraint zone 3 is connected four jiaos of shell 2, and one at each angle; Initial pressure guiding mechanism, contact depth adjustment mechanism and stress test mechanism are installed on the shell 2, and stress test mechanism is connected with the contact depth adjustment mechanism with the initial pressure guiding mechanism respectively; Described stress test mechanism comprise be installed in shell 2 on support 6, by the variable shaped beam 8 that rotating shaft 7 is connected with support 6, be installed in foil gauge 9 and mobile contact 4 on the variable shaped beam 8; Described initial pressure guiding mechanism comprises first housing 1 that is installed on the shell 2, with first adjustment screw 10 that first housing 1 is connected with first support bar 13, and the spring 12 that two ends are connected with variable shaped beam 8 with sliding bar 11 respectively; Described contact depth adjustment mechanism comprises second housing 5 that is installed on the shell 2, second adjustment screw 15 that is connected with second support bar 14 with second housing 5, the sliding bar 16 that is connected with second adjustment screw 15 with second housing 5; Described signal processing module comprises amplification, filtration module and the module that shows tested elasticity of muscle modulus.
Using muscle spasm detection device of the present invention carries out detection method and is:
1) with restraint zone 3 muscle spasm detection device is fixed on people's upper limb or the lower limb, mobile contact 4 places the muscle region of easy generation spasm;
2) rotate adjustment screw 10 and adjustment screw 15 respectively, adjust the size and the contact degree of depth of mobile contact 4 of initial pressure with respect to skin;
3) in the testing process, measure the pressure that mobile contact is subjected to by the foil gauge on the variable shaped beam 89, the difference of it and initial pressure is the variable quantity of mobile contact 4 pressure, through calculating the displacement of mobile contact 4, thereby obtains the elastic mould value of muscle hardness.
Compared with prior art, the invention has the beneficial effects as follows:
1. simple in structure, volume is little, easy operating is easy to carry;
2. in this device, use spring, prevented from use to produce sense of discomfort;
3. mobile contact initial pressure and the initial depth-adjustment joint that contacts make measured value more accurate, and can adapt to different crowds;
4. can in the process of rehabilitation training, detect muscle spasm, need not driving device,
5. the form with elasticity of muscle modulus shows muscle hardness, thereby determines whether to take place spasm, and is accurately objective.Simultaneously also can show muscle tone.
Description of drawings
Fig. 1 is the oblique view of the whole mechanism of muscle spasm detection device;
Fig. 2 is the side view of the whole mechanism of muscle spasm detection device;
Fig. 3 is the structural scheme of mechanism of initial pressure adjusting module;
Fig. 4 is the structural scheme of mechanism of mobile contact depth adjustment module;
Fig. 5 is the detection method flow chart of muscle spasm detection device;
Fig. 6 is the detection method schematic diagram of muscle spasm detection device.
The specific embodiment
For example the present invention is done description in more detail below in conjunction with accompanying drawing:
Overall construction drawing of the present invention is as shown in Figure 1 and Figure 2: muscle spasm detection device is made up of shell, restraint zone, stress test mechanism, initial pressure guiding mechanism, contact depth adjustment mechanism, signal processing module.Four jiaos at shell 2 respectively connect a restraint zone 3, are used to make muscle spasm detection device to be fixed in detected position.Initial pressure guiding mechanism, contact depth adjustment mechanism and stress test mechanism are installed on the shell 2, and stress test mechanism is connected with the contact depth adjustment mechanism with the initial pressure guiding mechanism respectively; The support 6 that stress test mechanism is provided with is fixed on the shell 2, variable shaped beam 8 is connected with support 6 by rotating shaft 7, and can 7 rotate around the shaft, and two through holes are arranged above, and adjustment screw 10 and adjustment screw 15 are passed this two through holes respectively, and do not contact with them.Foil gauge 9 is attached on the variable shaped beam 8, can detect the suffered pressure of mobile contact 4.Mobile contact 4 is fixed on a side of variable shaped beam, and its end is a hemispherical dome structure, with the contact skin at tested position.
The initial pressure guiding mechanism as shown in Figure 3, housing 1 be installed in shell 2 on, there is through hole both sides, sliding bar 11 can move up and down along the through hole of both sides, adjustment screw 10 is connected with support bar 13 with housing 1, guaranteed that it only has one degree of freedom on direction of rotation, relative position at axial and housing 1 is constant, it is connected with sliding bar 11 by screw thread simultaneously, spring 12 two ends are connected with variable shaped beam 8 with sliding bar 11 respectively, and during the adjustment screw 10 that turns clockwise, sliding bar 11 moves down, the pressure of spring increases, and the pressure that acts on the variable shaped beam increases; Otherwise when being rotated counterclockwise adjustment screw 10, sliding bar moves up, and spring pressure reduces, and the pressure that acts on the variable shaped beam reduces.
Contact depth adjustment mechanism as shown in Figure 4, housing 5 be installed in shell 2 on, there is through hole both sides, and sliding bar 16 can move up and down along the through hole of both sides, and adjustment screw 15 is connected with support bar 14 with housing 5, guaranteed that it only has one degree of freedom on direction of rotation, relative position at axial and housing 5 is constant, and it is connected with sliding bar 16 by screw thread simultaneously, during the adjustment screw 15 that turns clockwise, sliding bar 16 moves down, and makes variable shaped beam that bigger decline space be arranged; Otherwise when being rotated counterclockwise adjustment screw 15, sliding bar moves up, and makes variable shaped beam that less decline space be arranged.
Signal processing module comprises that the signal to the foil gauge collection carries out amplifying signal amplifier, the low pass filter of eliminating noise and the module that shows tested elasticity of muscle modulus.
Work process of the present invention, complex chart 5, Fig. 6 at first are rotated counterclockwise adjustment screw 15 and adjustment screw 10, make the downward displacement minimum of mobile contact, and spring is in the state of pressure minimum.With restraint zone 3 muscle spasm detection device is fixed on human upper limb or the lower limb, mobile contact 4 places the muscle region of easy generation spasm, and contacts with skin surface.After fixing, adjustment screw 15 turns clockwise, mobile contact 4 is moved down, and the size of mobile displacement is decided according to the skin histology of human body, and the purpose of adjustment is: guarantee under original state, the position of the skew that mobile contact 4 is downward is a steady state value, in measuring process, people's muscle hardness changes, and mobile contact 4 can move within the specific limits, simultaneously, cooperate the rotation initial pressure to adjust knob and make a certain steady state value of the initial pressure of people before measurement for setting.Adjust after the degree of depth of mobile contact, adjustment screw 10 is adjusted the initial pressure value, and the size of initial pressure is determined by the elastic modelling quantity and the elasticity of muscle modulus of skin, it should overcome the tension force that skin produces, and less than the tension force in patient's muscle generation in rehabilitation training.Guarantee the extreme position of mobile contact in the lower end simultaneously, promptly variable shaped beam 9 contacts with sliding bar 16.
The initial adjustment after the end, the patient can carry out rehabilitation training, in training process, at first record the suffered pressure of mobile contact by variable shaped beam, and obtain the relative displacement of mobile contact by the relation of the deflection of spring and displacement, obtain tested position elasticity of muscle modulus at last, concrete computational process as shown in Figure 6, for variable shaped beam among the figure 9, solid line shows is position when installing, dotted line shows is position when measuring, mobile contact 4 contacts with tested position, comprises skin histology 17 and muscular tissue 18, and establishing K is proportionality coefficient, f is the pressure of the suffered spring of variable shaped beam, l is the distance that spring is arrived in rotating shaft, and L is the distance that mobile contact is arrived in rotating shaft, and k is the coefficient of elasticity of spring, the displacement of mobile contact when Δ H is measurement, H
0ID for mobile contact.
Under initial condition, variable shaped beam 8 is subjected to spring force, mobile contact end and sliding bar and upwards pressure, and therefore, the resistance Δ R of the foil gauge 9 on the variable shaped beam 8 will change, and output voltage U also can respective change, is directly proportional with the suffered moment of flexure of variable shaped beam, can get:
U＝I*ΔR＝K*f (1)
Can get the pressure f of variable shaped beam suffered spring under initial condition and in measuring process by formula (1)
0, f
1Respectively with the foil gauge output voltage U
0, U
1Relation:
The variable quantity of pressure then:
Δf＝(U
1-U
0)/K (3)
If in the measuring process, skin surface is F to mobile contact pressure
1, then pass through, and can get by formula (2) to the variable shaped beam force analysis:
F
1＝f
1*l/L＝U
1*l/(L*K) (4)
For spring:
Δf＝k*Δx (5)
Can get according to leg-of-mutton geometrical relationship:
Δx/ΔH＝l/L (6)
Finally calculate elasticity of muscle modulus E by formula (3)-(6):
E＝F
1/(H
0-ΔH)＝U
1*l/(L*K*(H
0-ΔH))
Have in the formula: Δ H=Δ x*L/l=Δ f*L/ (k*l)=(U
1-U
0) * L/ (K*k*l)
Needs according to the patient, can select different coefficient of elasticity k, satisfy the requirement of comfort level, under initial condition, because sliding bar has active force to variable shaped beam, at this moment the elastic modelling quantity of Xian Shiing is slightly larger than the elastic modelling quantity of people's muscle reality, when measuring, sliding bar separates with variable shaped beam, and shown elastic modelling quantity then is actual value.The elastic modelling quantity that obtains can show in real time, can compare with a certain value of setting, if less than setting value, then muscle spasm does not take place in the patient, can continue training, if greater than setting value, then system sends prompting, and carries out corresponding actions, as stops the operation etc. of rehabilitation appliances.
The present invention is used to detect people's limb muscle spasm, can realize the detection of patient under static state or dynamic condition etc.
Claims (1)
1. a muscle spasm detection device comprises shell, restraint zone, stress test mechanism, initial pressure guiding mechanism, contact depth adjustment mechanism and signal processing module; It is characterized in that: bar shaped restraint zone (3) is connected four jiaos of shell (2), and one at each angle; Initial pressure guiding mechanism, contact depth adjustment mechanism and stress test mechanism are installed on the shell (2), and stress test mechanism is connected with the contact depth adjustment mechanism with the initial pressure guiding mechanism respectively; Described stress test mechanism comprises the support (6) that is installed on the shell (2), by the variable shaped beam (8) that rotating shaft (7) is connected with support (6), is installed in foil gauge (9) and mobile contact (4) on the variable shaped beam (8); Described initial pressure guiding mechanism comprises first housing (1) that is installed on the shell (2), be arranged at first support bar (13) and first sliding bar (11) in first housing (1), with first adjustment screw (10) that first housing (1) is connected with first support bar (13), the spring (12) that two ends are connected with variable shaped beam (8) with first sliding bar (11) respectively; Described contact depth adjustment mechanism comprises second housing (5) that is installed on the shell (2), be arranged at second support bar (14) in second housing (5), second adjustment screw (15) that is connected with second support bar (14) with second housing (5), second sliding bar (16) that is connected with second adjustment screw (15) with second housing (5); The contact depth adjustment mechanism is when the adjustment screw that turns clockwise (15), and second sliding bar (16) moves down, and makes variable shaped beam that bigger decline space be arranged, otherwise, when being rotated counterclockwise adjustment screw (15), sliding bar moves up, and makes variable shaped beam that less decline space be arranged; Described signal processing module comprises that the signal to the foil gauge collection carries out amplifying signal amplifier, the low pass filter of eliminating noise and the module that shows tested elasticity of muscle modulus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101536094A CN101816565B (en) | 2010-04-23 | 2010-04-23 | Muscle spasm detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101536094A CN101816565B (en) | 2010-04-23 | 2010-04-23 | Muscle spasm detection device |
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| Publication Number | Publication Date |
|---|---|
| CN101816565A CN101816565A (en) | 2010-09-01 |
| CN101816565B true CN101816565B (en) | 2011-08-03 |
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ID=42651958
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010101536094A Expired - Fee Related CN101816565B (en) | 2010-04-23 | 2010-04-23 | Muscle spasm detection device |
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Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5297516B2 (en) * | 2011-12-09 | 2013-09-25 | 東名ブレース株式会社 | Spasticity measuring device |
| CN103230279B (en) * | 2013-04-27 | 2014-11-19 | 中国科学院重庆绿色智能技术研究院 | Continuous changeable stress test system |
| CN105266806A (en) * | 2014-07-12 | 2016-01-27 | 复旦大学附属华山医院 | Spasticity evaluation system and device based on myotatic reflex threshold value and resistance variable |
| CN105078725A (en) * | 2015-06-30 | 2015-11-25 | 京东方科技集团股份有限公司 | Muscle detector, muscle massage device and muscle detection method |
| CN105411537A (en) * | 2016-01-19 | 2016-03-23 | 马俊 | Detector for arm of sick child |
| CN108784720B (en) * | 2018-03-15 | 2020-09-25 | 安徽工程大学 | Control system for spasm detection based on muscle tension sensor and detection method thereof |
| CN108433735B (en) * | 2018-03-15 | 2023-07-21 | 安徽工程大学 | Spasm sensor based on muscle tension detection |
| CN114012419A (en) * | 2021-11-02 | 2022-02-08 | 中车大连机车车辆有限公司 | System, method and device for centering and adjusting shafting of diesel generator set |
| CN116392715A (en) * | 2023-06-09 | 2023-07-07 | 北京大学口腔医学院 | Device and method for regulating and controlling neuromuscular |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0232507A1 (en) * | 1985-12-11 | 1987-08-19 | Niels Meyer | Device for the examination of muscle contraction |
| CN87104686A (en) * | 1986-05-30 | 1987-12-23 | 丹尼尔·德尔焦尔诺 | Muscle testing apparatus |
| CN2261815Y (en) * | 1996-03-21 | 1997-09-10 | 孔宁 | Front load controller |
| US6569066B1 (en) * | 2000-05-31 | 2003-05-27 | Paul Patterson | Upper extremity rehabilitation and training device and method |
| US7431702B2 (en) * | 2001-07-26 | 2008-10-07 | Niels Rahe-Meyer | Device for examination of the motor system of the human or animal body |
-
2010
- 2010-04-23 CN CN2010101536094A patent/CN101816565B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0232507A1 (en) * | 1985-12-11 | 1987-08-19 | Niels Meyer | Device for the examination of muscle contraction |
| CN87104686A (en) * | 1986-05-30 | 1987-12-23 | 丹尼尔·德尔焦尔诺 | Muscle testing apparatus |
| CN2261815Y (en) * | 1996-03-21 | 1997-09-10 | 孔宁 | Front load controller |
| US6569066B1 (en) * | 2000-05-31 | 2003-05-27 | Paul Patterson | Upper extremity rehabilitation and training device and method |
| US7431702B2 (en) * | 2001-07-26 | 2008-10-07 | Niels Rahe-Meyer | Device for examination of the motor system of the human or animal body |
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|---|---|
| CN101816565A (en) | 2010-09-01 |
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