CN202859917U - Muscle strain testing machine for rat gastrocnemius - Google Patents
Muscle strain testing machine for rat gastrocnemius Download PDFInfo
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- CN202859917U CN202859917U CN 201220466604 CN201220466604U CN202859917U CN 202859917 U CN202859917 U CN 202859917U CN 201220466604 CN201220466604 CN 201220466604 CN 201220466604 U CN201220466604 U CN 201220466604U CN 202859917 U CN202859917 U CN 202859917U
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- gastrocnemius muscles
- muscle sprain
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Abstract
The utility model relates to a muscle strain testing machine for rat gastrocnemius. The muscle strain testing machine comprises a work bench for placing an animal to be tested, an electrical simulator for simulating experiment muscle of the animal to be tested, and a stepping motor for operation driving on the work bench. The muscle strain testing machine further comprises a controller to control the operation of the stepping motor, a fixation device for fixing an ankle joint of the animal to be tested, and a position sensor for detecting whether the fixation device has arrived a designed position, wherein a tie for tying the ankle joint of the animal to be tested to the fixation device is arranged on the fixation device, the position of the tie on the fixation device is spaced from an axis of an output shaft, and the controller is electrically connected with a host computer. The muscle strain testing machine for rat gastrocnemius is convenient in operation and accurate in control, can be used for dynamic muscle strain tests and can truly and accurately reflect and record the characters of the muscle strains in training and competition.
Description
Technical field
This utility model relates to the acute Model mfg. appts. of pulling in a kind of athletic physiology and the sport biomechanics experiment, is specifically related to a kind of rat gastrocnemius muscles muscle sprain testing machine.
Background technology
Muscle initiatively strongly shrinks or passive excessive elongation causes the fine damage of muscle, causes muscle parts to be torn or fully fracture, and this damage class is called muscle sprain.Setting up the muscle sprain model, is in order to reflect the various features of muscle sprain in training, match even the daily routines, is the necessary means that medical college and school, R﹠D institution carry out experimental teaching and medicine and the work for the treatment of Study on Measures.
The domestic and international existing acute model of pulling, having operation method to make the muscle sprain model (annotates: by surgical exposure test muscle, do quantitative muscle sprain experiment by Material Testing Machine), having electrical stimulation method to make the muscle sprain model (annotates: use electric stimulating instrument with quantitative magnitude of voltage stimulation test muscle group, make its tetanic contraction, do quantitative muscle sprain experiment by cupping machine), physics method is made the muscle sprain model and (is annotated: use electric stimulating instrument with quantitative magnitude of voltage stimulation test muscle group, make its tetanic contraction, impact by quantitative gravity and do the muscle sprain experiment) etc. several.
The deficiency that above-mentioned model mainly exists is:
1. muscle is pulled by machinery or gravity impacts and to pull, and is difficult to the various features of muscle sprain in true and accurate reflection motion and the daily routines;
2. particularly operation method is made the muscle sprain model, and is larger in distance aspect physiology and the mechanical characteristic with live body muscle sprain, and complicated operation;
3. without more consistent and accurate method, there is not standard yet;
4. speed and vigor can not accurately be controlled, and has increased the inaccuracy of experiment;
5. stretching experiment machine and Material Testing Machine, equipment is larger, inconvenient operation;
6. can not do dynamic muscle sprain test;
7. fall behind with oscilloscope display and the mode that records experimental result.
The utility model content
In order to overcome the defects under the prior art; the purpose of this utility model is to provide a kind of rat gastrocnemius muscles muscle sprain testing machine, but makes it have the plurality of advantages such as various features easy to operate, that control accurately, can do muscle sprain in dynamic muscle sprain test true and accurate reflection and record training, match even the daily routines.
The technical scheme that this utility model adopts is: a kind of rat gastrocnemius muscles muscle sprain testing machine, comprise be used to the workbench of placing tested animal, be used for stimulating the electric stimulating instrument and the motor that is used for action drives that is arranged on the described workbench of described tested zoopery muscle, also comprise be used to the controller of controlling described motor work with for the fixture of fixing tested animal ankle joint, described fixture is fixedly installed on the output shaft of described motor, described fixture is provided with for the frenulum of tested animal ankle joint being fastened thereon, and described frenulum has certain distance between the axis of the setting position on the described fixture and described output shaft.
The supply line of described electric stimulating instrument is provided with electrical switch, and the control end of described electrical switch is electrically connected with described controller.
Described controller can also be connected with host computer, and described host computer can adopt industrial computer or PC.
For aforesaid any one described rat gastrocnemius muscles muscle sprain testing machine, it also can be provided with the position sensor that whether moves to design attitude for detection of described fixture, and the induced signal outfan of described position sensor connects the transducing signal input of described controller.
Described design attitude has one or two, and when being one, described design attitude is preferably experiment muscle and is stretched to the position that described fixture moves to when testing amplitude peak; When being two, two described design attitudes can be respectively the position that experiment muscle is stretched and described fixture moves to when being retracted to the test amplitude peak.
Described position sensor is preferably photoswitch.
For aforesaid any one described rat gastrocnemius muscles muscle sprain testing machine, described fixture all can adopt any in the lower array structure:
Described fixture comprises axle sleeve, is fixedly connected with the fixing head of the axes intersect fork of its bearing of trend and described axle sleeve on the described axle sleeve, and described axle sleeve is fixedly sleeved on the output shaft of described motor, and described frenulum is sheathed on the described fixing head.
Described fixture comprises gear and the tooth bar that is meshed, described gear is coaxial to be fixed on the output shaft of described motor, described frenulum is sheathed on the described tooth bar, perhaps, be fixedly connected with fixing head on the described tooth bar, described frenulum is sheathed on the described fixing head, and tested animal limb can be fixed on the described tooth bar or on the described fixing head.
Described fixture adopts toggle, comprise hinged in turn crank, connecting rod and slide block, described crank is fixed on the output shaft of described motor, described frenulum is sheathed on the described slide block, perhaps, be fixedly connected with fixing head on the described slide block, described frenulum is sheathed on the described fixing head, and tested animal limb can be fixed on the described slide block or on the described fixing head.
The beneficial effects of the utility model are:
1. under the accurate control of controller, do the muscle sprain model experiment, various typical characteristics of muscle sprain in the normal movable and motion of simulating sun more truly, with muscle sprain in the reality close aspect physiology and the mechanical characteristic;
2. owing to adopt live body muscle to pull experiment, overcome operation method and made muscle sprain model and the live body muscle deficiency that relatively distance is larger aspect physiology and mechanical characteristic, and made simple to operate;
3. because described controller is electrically connected described motor, the Material Testing Machine and the cupping machine that have replaced prior art to use provide make peace an accurate experimental technique;
4. all devices volume is small and exquisite, and it is little to take up room, easy operating and placement;
5. because described controller accurately control rate and strength have overcome the deficiency that speed and vigor can not accurately be controlled;
6. because the control mode of described controller is adjustable, can do dynamic muscle sprain test;
7. communicate owing to described controller electrical connection host computer, and with described host computer, can adjust the control of described controller by the operation of described host computer, also can be by the display device dynamic monitoring experimental data of described host computer.Experiment and recording mode are advanced, and are conducive to further transformation and upgrade.
Description of drawings
Fig. 1 is the structural representation of a kind of embodiment of the present utility model.
The specific embodiment
Referring to Fig. 1, a kind of rat gastrocnemius muscles muscle sprain testing machine, comprise: be used for placing the workbench 1 of tested animal, be used for stimulating the electric stimulating instrument 2 and the motor 5 that is used for action drives that is arranged on the described workbench of tested zoopery muscle, also comprise for the controller 7 of accurately described motor 5 work of control and the fixture 4 that is used for fixing tested animal ankle joint, described fixture 4 is fixedly installed on the output shaft of described motor 5, described fixture is provided with for the frenulum 3 of tested animal ankle joint being fastened thereon, and described frenulum has certain distance between the axis of the setting position on the described fixture and described output shaft.Because described controller 7 is electrically connected described motor 5, the Material Testing Machine and the cupping machine that have replaced prior art to use provide the accurate experimental technique of making peace.Because described controller 7 is control rate and strength accurately, has overcome the deficiency that speed and vigor can not accurately be controlled.Because the control mode of described controller 7 is adjustable, can do dynamic muscle sprain test.Accurately do the muscle sprain model experiment under the control at controller 7, various typical characteristics of muscle sprain in the normal movable and motion of simulating sun more truly, with muscle sprain in the reality close aspect physiology and the mechanical characteristic.And all devices volume is small and exquisite, and it is little to take up room, easy operating and placement.
The supply line of described electric stimulating instrument 2 is provided with electrical switch, and the control end of described electrical switch is electrically connected with described controller 7, can accurately control by described controller 7 time and intensity of electricity irritation.Owing to adopt live body muscle to pull experiment, overcome operation method and made muscle sprain model and the live body muscle deficiency that relatively distance is larger aspect physiology and mechanical characteristic, and made simple to operate.
Described controller 7 also is connected with host computer 8, and described host computer 8 adopts industrial computer or PC.Can realize by the operation to described host computer 8 adjustment to the control of described controller 7, also can dynamically show by the display device of described host computer 8 and record monitoring experiment data.Adopt host computer 8, experiment and recording mode are more advanced, and are conducive to the further transformation and upgrade of this testing machine.
Described rat gastrocnemius muscles muscle sprain testing machine also is provided with the position sensor 6 that whether moves to design attitude for detection of described fixture 4, the induced signal outfan of described position sensor 6 connects the transducing signal input of described controller 7, the induced signal judgment experiment state that described controller 7 sends according to described position sensor 6, and coordinate accordingly the described motor 5 of control and described electric stimulating instrument 2.
Described design attitude can have one or two, when being one, and the position that described fixture 4 moved to when described design attitude was stretched to the test amplitude peak for experiment muscle; When being two, two described design attitudes are respectively the position that experiment muscle is stretched and described fixture 4 moves to when being retracted to the test amplitude peak.
So-called design attitude refer to according to experiment needs (such as the stretch range of tested muscle) definite as described in the theoretic limit of sports record position of fixture.
In the present embodiment, described position sensor 6 only is one, and employing is photoswitch.When described fixture moves to the position that makes experiment muscle be stretched to the test amplitude peak, described photoswitch notifies detection signal to described controller 7, described controller 7 has been stretched to amplitude peak under the requirement of experiment according to this detection signal judgment experiment muscle, and expression can again be controlled and start described electric stimulating instrument 2 this moment.
Described fixture 4 can adopt the various structures under the prior art, the following structure of preferred employing in the present embodiment: described fixture comprises axle sleeve 4.1, be fixedly connected with the fixing head 4.2 of the axes intersect fork of its bearing of trend and described axle sleeve 4.1 on the described axle sleeve, described axle sleeve 4.1 is fixedly sleeved on the output shaft of described motor 5, and described frenulum 3 is sheathed on the described fixing head 4.2.In the present embodiment, the bearing of trend of described fixing head is preferably perpendicular to the axis of described axle sleeve, and the limbs that make rat bend and stretch in the plane perpendicular to the output shaft of described motor.Described fixing head 4.2 is used for the ankle joint of location rat kind toy, and described frenulum 3 is used for fastening the ankle joint of rat kind toy.
The below is take the test of rat gastrocnemius muscles muscle sprain as example, the work process of this testing machine is described: postanesthetic rat is placed on the described workbench 1, its ankle joint is fastened on described fixing head 4.2 by described frenulum 3, gastrocnemius in rat is far away, near-end contacts respectively the needle electrode of described electric stimulating instrument 2, start the gastrocnemius of described electric stimulating instrument 2 discharge stimulation in rats, the tetanic contraction of gastrocnemius, leg curvature, control step motor 5 operations this moment, described motor 5 rotates under the control of described controller 7, drive described fixing head 4.2 and swing, and the leg extension of pulling rat bending, when described fixing head 4.2 swings to the position of designing requirement, described photoswitch 6 is notified described controller 7 with the position signalling that detects, described controller 7 notifies described motor 5 to stop operating, and again starts electric stimulating instrument work, and the rat shank is again crooked, drive fixing head 4.2 returns, ready for stretch next time, since then, finished a cycle of operation.
This utility model also can be used for the muscle sprain test of other similar toys.
Claims (10)
1. rat gastrocnemius muscles muscle sprain testing machine, it is characterized in that comprising the workbench be used to placing tested animal, be used for stimulating the electric stimulating instrument and the motor that is used for action drives that is arranged on the described workbench of tested zoopery muscle, also comprise be used to the controller of controlling described motor work with for the fixture of fixing tested animal ankle joint, described fixture is fixedly installed on the output shaft of described motor, described fixture is provided with for the frenulum of tested animal ankle joint being fastened thereon, and described frenulum has certain distance between the axis of the setting position on the described fixture and described output shaft.
2. rat gastrocnemius muscles muscle sprain testing machine according to claim 1 is characterized in that the supply line of described electric stimulating instrument is provided with electrical switch, and the control end of described electrical switch is electrically connected with described controller.
3. rat gastrocnemius muscles muscle sprain testing machine according to claim 2 is characterized in that described controller also is connected with host computer.
4. rat gastrocnemius muscles muscle sprain testing machine according to claim 3 is characterized in that described host computer adopts industrial computer or PC.
5. according to claim 1,2,3 or 4 described rat gastrocnemius muscles muscle sprain testing machines, it is characterized in that also being provided with the position sensor that whether moves to design attitude for detection of described fixture, the induced signal outfan of described position sensor connects the transducing signal input of described controller.
6. rat gastrocnemius muscles muscle sprain testing machine according to claim 5, it is characterized in that described design attitude has one or two, when being one, the position that described fixture moved to when described design attitude was stretched to the test amplitude peak for experiment muscle; When being two, two described design attitudes are respectively the position that experiment muscle is stretched and described fixture moves to when being retracted to the test amplitude peak.
7. rat gastrocnemius muscles muscle sprain testing machine according to claim 5 is characterized in that described position sensor is photoswitch.
8. rat gastrocnemius muscles muscle sprain testing machine according to claim 5, it is characterized in that described fixture comprises axle sleeve, be fixedly connected with the fixing head of the axes intersect fork of its bearing of trend and described axle sleeve on the described axle sleeve, described axle sleeve is fixedly sleeved on the output shaft of described motor, and described frenulum is sheathed on the described fixing head.
9. rat gastrocnemius muscles muscle sprain testing machine according to claim 5, it is characterized in that described fixture comprises gear and the tooth bar that is meshed, described gear is coaxial to be fixed on the output shaft of described motor, described frenulum is sheathed on the described tooth bar, perhaps, be fixedly connected with fixing head on the described tooth bar, described frenulum is sheathed on the described fixing head.
10. rat gastrocnemius muscles muscle sprain testing machine according to claim 5, it is characterized in that described fixture adopts toggle, comprise hinged in turn crank, connecting rod and slide block, described crank is fixed on the output shaft of described motor, described frenulum is sheathed on the described slide block, perhaps, be fixedly connected with fixing head on the described slide block, described frenulum is sheathed on the described fixing head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220466604 CN202859917U (en) | 2012-09-14 | 2012-09-14 | Muscle strain testing machine for rat gastrocnemius |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220466604 CN202859917U (en) | 2012-09-14 | 2012-09-14 | Muscle strain testing machine for rat gastrocnemius |
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| Publication Number | Publication Date |
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| CN202859917U true CN202859917U (en) | 2013-04-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201220466604 Expired - Fee Related CN202859917U (en) | 2012-09-14 | 2012-09-14 | Muscle strain testing machine for rat gastrocnemius |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106859657A (en) * | 2017-03-29 | 2017-06-20 | 山东大学 | A kind of vitro muscle stretches electro photoluminescence Muscle tensility test experimental bed |
| CN106901760A (en) * | 2017-04-20 | 2017-06-30 | 上海市同济医院 | One kind is used for rabbit lower limb nerve and muscle function measurement system |
-
2012
- 2012-09-14 CN CN 201220466604 patent/CN202859917U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106859657A (en) * | 2017-03-29 | 2017-06-20 | 山东大学 | A kind of vitro muscle stretches electro photoluminescence Muscle tensility test experimental bed |
| CN106901760A (en) * | 2017-04-20 | 2017-06-30 | 上海市同济医院 | One kind is used for rabbit lower limb nerve and muscle function measurement system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130410 Termination date: 20140914 |
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| EXPY | Termination of patent right or utility model |