CN203220452U - Device for establishing small animal brain impact injury model - Google Patents
Device for establishing small animal brain impact injury model Download PDFInfo
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- CN203220452U CN203220452U CN 201320208582 CN201320208582U CN203220452U CN 203220452 U CN203220452 U CN 203220452U CN 201320208582 CN201320208582 CN 201320208582 CN 201320208582 U CN201320208582 U CN 201320208582U CN 203220452 U CN203220452 U CN 203220452U
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Abstract
The utility model relates to a device for establishing a small animal brain impact injury model in the field of medical experiment devices. The device is composed of an experiment table, a spring fixator, an impact rod, a deceleration blocking device, a trolley track and a pull wire fixing and releasing device, wherein the spring fixator, the impact rod, the deceleration blocking device, the trolley track and the pull wire fixing and releasing device are fixed on the surface of the experiment table in sequence. A cutting board is fixed on the impact rod. An experiment trolley is mounted on the trolley track. A rat fixator is mounted on the experiment trolley. A spring is connected with the spring fixator and a spring support on the experiment trolley respectively. One end of a pull wire is fixed on the tail portion of the experiment trolley. The other end of the pull wire penetrates through the pull wire fixing and releasing device. The device for establishing the small animal brain impact injury model is simple to operate, good in actual control, capable of realizing accurate control over the injury on a target part, and capable of well simulating a brain impact injury caused by traffic accident injuries in real life.
Description
Affiliated technical field
This utility model relates to medical experiment device field, is specially a kind of device of setting up toy cranium brain impact damage model.
Background technology
At present, in the zoopery field of animal head injury, established multiple model, existing utilization is the object of certain mass, freely falls by certain altitude and hits the animal head, also have the highly pressurised liquid of employing or gas impact due to craniocerebral injury and some improve version.But the ratio of the damage that head causes because of traffic accident in the actual life is more and more higher, the mortality rate height.Can be comparatively objective or real simulation animal head cause the means of craniocerebral injury and few because of traffic accident, most of modeling devices only are confined to rely on the hit head of weight or direct hit cerebral tissue and the experimentation platform set up, the craniocerebral injury of the model of setting up due to well in the simulating reality traffic accident process.Head injury in the reality traffic accident not only relates to the damage in a certain zone of head, often the shearing with the cerebral tissue contusion due to acute retarded motion and high-order spinal cord is simultaneously hindered in high-speed motion, thereby experimental model had certain unreasonable or limitation in the past.Desirable toy cranium brain impact damage model should possess following aspect at least: (1) the model of setting up as far as possible have similarity with the craniocerebral injury that traffic accident causes, its damage model is as far as possible near human actual life.(2) Shi Yan controllability: due to craniocerebral injury can accurately adjust damage location and degree according to actual needs, copy craniocerebral injury model in various degree.(3) Shi Yan operability and repeatability: namely duplicated model has simple to operately, and technical difficulty is little, and the repeatability of experimental result is strong.But present most of experimental provisions all have defective in various degree, though still do not have comparatively suitable modeling device after a large amount of the improvement.Therefore, be necessary to set up a kind of more science, more practical animal cranium brain impact damage model, the cranium brain impact damage that causes for the clinical treatment traffic accident provides experimental basis.
Summary of the invention
The purpose of this utility model is in order to overcome the defective of the cranium brain impact damage of existing toy cranium brain impact damage model due to well in the simulating reality traffic accident process, provide a kind of simple to operate, working control is good, can realize the accurate control to purpose position damage, in the simulating reality life preferably because of the device of setting up toy cranium brain impact damage model of the cranium brain impact damage due to the traffic accident wound.
The purpose of this utility model realizes by following technical proposals:
The device of setting up toy cranium brain impact damage model of the present utility model, by laboratory table (1), spring holder (2), trip rod (3), chopping block (4), deceleration retention device (5), experiment dolly (6), big rat holder (7), trolley track (8), spring (12), fixing and releasing device (9) composition of draught line (16) and draught line is characterized in that spring holder (2), trip rod (3), deceleration retention device (5), the fixing releasing device (9) that reaches of trolley track (8) and draught line is fixed on the table top of laboratory table (1) successively; Chopping block (4) is fixed on the trip rod, and is positioned at the top of deceleration retention device (5); Experiment dolly (6) is installed on the trolley track (8), on the experiment dolly (6) big rat holder (7) is installed; Spring (12) links to each other with spring support (11) in experiment dolly (6) with spring holder (2) respectively; Draught line (16) one ends are fixed in experiment dolly (6) afterbody, and the other end is draught line end (10), pass the fixing and releasing device (9) of draught line.
In the such scheme, described big rat holder (7) is fixed on the rat holder base (14), and rat holder base (14) is fixed in the groove of testing on dolly (6) the car face by fixed screw on the dolly (13).
In the such scheme, described trolley track (8) is marked with scale.
In the such scheme, described laboratory table (1) table top center has slit (18), and the fixing releasing device (9) that reaches of spring holder (2), trip rod (3), deceleration retention device (5), trolley track (8) and draught line is fixed on the slit (18) by fixed screw (15) respectively.
Use of the present utility model is as follows:
Rat is placed on the big rat holder, adopt rubber band suitably fixedly rat head and breast abdominal part; Distance between regulating spring holder, trip rod and chopping block, deceleration retention device and the big rat holder, be unlikely at bump direct bump of moment rat head, but between chopping block and head, be reserved with certain distance, the screw that is tightened then is fixed on spring holder, trip rod and chopping block, deceleration retention device on the laboratory table.Spring holder both sides have spring support, can fixing springs, and the spring height can suitably be regulated as required.By regulating the height of chopping block size and chopping board position, to adapt to the rat of different builds.To test dolly and place in the track, end both sides connect spring by spring support, and the other end connects draught line.Big rat holder on the experiment dolly is realized position adjustments by fixed screw on the dolly, thereby regulates big rat holder to the distance between the chopping block.Make dolly produce displacement with hands or other power pulling draught line end then, cause that institute connects spring generation displacement, according to Hooke's law
△ F=k. Δ x, produce different pulling force, utilize spring to elongate the acceleration difference that the length difference produces, its whole end speed is also different, thereby realizes the purpose of craniocerebral injury in various degree.Owing on the track scale is arranged, the whole end speed in the time of can in time calculating acceleration and bump.Draught line passes from fixing the reaching the releasing device of draught line, can in time fix after draught line is pulled to certain position when experiment, and finishing calculating back release draught line in time, cause rat cranium brain impact damage.Whole end speed during according to bump and the traumatic condition of rat are set up toy cranium brain impact damage model.
The utlity model has following advantage: 1, this is simple in structure, produces preparation easily, has realized the control of bump dynamics and the control of purpose damage location area.2, this device adopts the hard spring, can accurately calculate the spring tension size, by the difference realization cranium brain impact injury in various degree of spring tension.3, this device adopts spring design, utilizes spring to produce initial acceleration, relies on the deceleration retention device to cause the acute deceleration of dolly after making dolly produce whole end speed in motor process, utilizes its inertia that head and chopping block are bumped, and causes craniocerebral injury.4 these devices adopt the chopping block design, and can use the chopping block of different size as required.5, related spring holder, trip rod and chopping block, deceleration retention device, the draught line of this device fixed and reached the needs that releasing device all can be realized flexible.6, this device has orbit Design, and scale is arranged above the track, not only realizes in time quantizing, and the dolly movement locus is steady in more guaranteeing to test, and is unlikely to exceed the bounds, and causes a deviation.7, the distance of big rat holder and chopping block has realized adjustability in this device, and according to the distance of the different builds design of rat head to chopping block, fixedly during rat, the employing rubber band is fixedly rat head and breast abdominal part suitably, the seat belt in the similar reality.
Therefore, this utility model has overcome the defective of the cranium brain impact damage of existing toy cranium brain impact damage model due to well in the simulating reality traffic accident process, the device of setting up toy cranium brain impact damage model that provides is simple to operate, working control is good, can realize the accurate control to purpose position damage, in the simulating reality life preferably because of the cranium brain impact damage due to the traffic accident wound.
Description of drawings
Fig. 1 is the sketch map of this utility model embodiment one.
Fig. 2 is the sketch map of this utility model spring holder.
Fig. 3 is the sketch map of this utility model trip rod.
Fig. 4 is the sketch map of this utility model experiment dolly.
Fig. 5 is the fixing sketch map that reaches releasing device of this utility model draught line.
In the accompanying drawing, each digital implication is: 1: laboratory table; 2: the spring holder; 3: trip rod; 4: chopping block; 5: the deceleration retention device; 6: the experiment dolly; 7: big rat holder; 8: trolley track; 9: the fixing and releasing device of draught line; 10: the draught line end; 11: spring support; 12: spring; 13: fixed screw on the dolly; 14: the rat holder base; 15: fixed screw; 16: draught line; 17: the laboratory table foot; 18: the slit.
The specific embodiment
Be described in further detail this utility model below in conjunction with drawings and Examples, but this utility model is not limited only to described embodiment.
Embodiment one
The device of setting up toy cranium brain impact damage model of this example, as Fig. 1, Fig. 2, Fig. 3, Fig. 4 and shown in Figure 5, be made up of the fixing releasing device 9 that reaches of laboratory table 1, spring holder 2, trip rod 3, chopping block 4, deceleration retention device 5, experiment dolly 6, big rat holder 7, trolley track 8, spring 12, draught line 16 and draught line, spring holder 2, trip rod 3, deceleration retention device 5, trolley track 8 and draught line are fixed and releasing device 9 is fixed on the table top of laboratory table 1 successively; Chopping block 4 is fixed on the trip rod, and is positioned at the top of deceleration retention device 5; Experiment dolly 6 is installed on the trolley track 8, on the experiment dolly 6 big rat holder 7 is installed; Spring 12 links to each other with the spring support 11 of experiment on the dolly 6 with spring holder 2 respectively; Draught line 16 1 ends are fixed in experiment dolly 6 afterbodys, and the other end is draught line end 10, pass the fixing and releasing device 9 of draught line.
Laboratory table 1 is rectangle, has four laboratory table foot 17 supporting bable tops, and laboratory table foot 17 plays and supports and Stabilization, thereby and can rotate table top is adjusted in same elevation of water.
Laboratory table 1 table top center has slit 18, the fixing releasing device 9 that reaches of spring holder 2, trip rod 3, deceleration retention device 5 and draught line is fixed on the slit 18 by fixed screw 15 respectively, and can be by 18 movements in the slit of becoming flexible of fixed screw 15, thereby the realization adjustable range, 18 both sides, slit are provided with the trolley track 8 that is higher than laboratory table 1 table top certain altitude.
The rectangular channel that trolley track 8 surrounds for metal derby, trolley track 8 is marked with scale, can accurately calculate move distance and spring and elongate length in experiment.Spring holder 2, trip rod 3 and chopping block 4, deceleration retention device 5, experiment dolly 6, draught line 16 and draught line is fixing and releasing device 9 etc. all is positioned at trolley track 8, thus guarantee that experiment dolly 6 do not exceed the bounds at the volley.
Spring 12 is for connecting the spring support 11 and the metal hard high-strength spring of testing the spring support 11 on the dolly 6 on the spring holder 2, this spring force coefficient is all known before installation, this spring is in zero tension state when not using, experiment dolly 6 both sides respectively are provided with one.
The rope that draught line 16 is made for the material of certain intensity, an end is fixed in the dolly afterbody, and the other end is fixing and releasing device 9 by draught line, and draught line end 10 has a loop configuration.
Draught line has a hole in the middle of fixing and reaching releasing device 9, and the height in its hole is in sustained height with draught line 16.Draught line 16 can be fixed and tighten to the fixing releasing device 9 that reaches of draught line at any time in draught line 16 drawing process, can in time discharge draught line 16 when reaching the required tension force of experiment.
Embodiment two
The device of setting up toy cranium brain impact damage model of this example, except laboratory table 1 table top does not have slit 18, the fixing releasing device 9 that reaches of spring holder 2, trip rod 3, deceleration retention device 5 and draught line directly is fixed on laboratory table 1 table top by fixed screw 15 respectively, and it is mobile by becoming flexible at laboratory table 1 table top of fixed screw 15, thereby outside the realization adjustable range, all the other are with embodiment one.
Claims (4)
1. device of setting up toy cranium brain impact damage model, formed by the fixing releasing device (9) that reaches of laboratory table (1), spring holder (2), trip rod (3), chopping block (4), deceleration retention device (5), experiment dolly (6), big rat holder (7), trolley track (8), spring (12), draught line (16) and draught line, it is characterized in that spring holder (2), trip rod (3), deceleration retention device (5), trolley track (8) and draught line are fixed and releasing device (9) is fixed on the table top of laboratory table (1) successively; Chopping block (4) is fixed on the trip rod, and is positioned at the top of deceleration retention device (5); Experiment dolly (6) is installed on the trolley track (8), on the experiment dolly (6) big rat holder (7) is installed; Spring (12) links to each other with spring support (11) in experiment dolly (6) with spring holder (2) respectively; Draught line (16) one ends are fixed in experiment dolly (6) afterbody, and the other end is draught line end (10), pass the fixing and releasing device (9) of draught line.
2. the device of setting up toy cranium brain impact damage model according to claim 1, it is characterized in that described big rat holder (7) is fixed on the rat holder base (14), rat holder base (14) is fixed in the groove of testing on dolly (6) the car face by fixed screw on the dolly (13).
3. the device of setting up toy cranium brain impact damage model according to claim 1 is characterized in that described trolley track (8) is marked with scale.
4. the device of setting up toy cranium brain impact damage model according to claim 1, it is characterized in that described laboratory table (1) table top center has slit (18), the fixing releasing device (9) that reaches of spring holder (2), trip rod (3), deceleration retention device (5), trolley track (8) and draught line is fixed on the slit (18) by fixed screw (15) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320208582 CN203220452U (en) | 2013-04-23 | 2013-04-23 | Device for establishing small animal brain impact injury model |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320208582 CN203220452U (en) | 2013-04-23 | 2013-04-23 | Device for establishing small animal brain impact injury model |
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| Publication Number | Publication Date |
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| CN203220452U true CN203220452U (en) | 2013-10-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201320208582 Expired - Fee Related CN203220452U (en) | 2013-04-23 | 2013-04-23 | Device for establishing small animal brain impact injury model |
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| CN (1) | CN203220452U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103263306A (en) * | 2013-04-23 | 2013-08-28 | 中国人民解放军成都军区总医院 | Device for modeling craniocerebral impact injuries of small animals |
| CN109717981A (en) * | 2019-02-15 | 2019-05-07 | 中国人民解放军陆军特色医学中心 | A kind of guide tracked experimental rig of causing injury that slows down |
| CN110063809A (en) * | 2019-04-01 | 2019-07-30 | 王春晖 | A kind of shock tube experiment device hurt for simulating animal skull brain pact |
| CN113208766A (en) * | 2021-05-10 | 2021-08-06 | 江南大学 | Motion sickness mouse molding device and molding method |
-
2013
- 2013-04-23 CN CN 201320208582 patent/CN203220452U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103263306A (en) * | 2013-04-23 | 2013-08-28 | 中国人民解放军成都军区总医院 | Device for modeling craniocerebral impact injuries of small animals |
| CN103263306B (en) * | 2013-04-23 | 2015-06-24 | 中国人民解放军成都军区总医院 | Device for modeling craniocerebral impact injuries of small animals |
| CN109717981A (en) * | 2019-02-15 | 2019-05-07 | 中国人民解放军陆军特色医学中心 | A kind of guide tracked experimental rig of causing injury that slows down |
| CN110063809A (en) * | 2019-04-01 | 2019-07-30 | 王春晖 | A kind of shock tube experiment device hurt for simulating animal skull brain pact |
| CN110063809B (en) * | 2019-04-01 | 2023-11-24 | 王春晖 | Shock tube experimental device for simulating animal craniocerebral impact injury |
| CN113208766A (en) * | 2021-05-10 | 2021-08-06 | 江南大学 | Motion sickness mouse molding device and molding method |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131002 Termination date: 20170423 |