CN206044772U - A kind of Characters of traumatic brain injury analog - Google Patents
A kind of Characters of traumatic brain injury analog Download PDFInfo
- Publication number
- CN206044772U CN206044772U CN201620499287.1U CN201620499287U CN206044772U CN 206044772 U CN206044772 U CN 206044772U CN 201620499287 U CN201620499287 U CN 201620499287U CN 206044772 U CN206044772 U CN 206044772U
- Authority
- CN
- China
- Prior art keywords
- base
- dolly
- characters
- circular arc
- brain injury
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
This utility model is related to a kind of Characters of traumatic brain injury analog, including：Base, the top of base is plane；Guide rail, guide rail are arranged at the top of base；Dolly, the wheel of dolly are moved in guide rail；Bracing frame, bracing frame are vertically fixed on dolly；Support bar, the bottom of support bar are fixed on base；Circular arc rule, circular arc rule are fixed on support bar top；Connecting rod, connecting rod one end are fixed on support bar top, one end connection gravity drop hammer；Gravity drop hammer, center rotating of the gravity drop hammer around connecting rod, and the plane being located when rotating is parallel with circular arc rule place plane.This utility model structure compared to existing technology in device structure it is simple, price is low, easy to operate, due to the sign of circular arc rule, precisely, power of causing injury is adjustable for active force, closed injury of brain model can be effectively replicated, dolly is with percussion movement, it is to avoid the secondary damage after shock.
Description
Technical field
This utility model is related to setting for laboratory equlpment field, particularly a kind of zoopery of Characters of traumatic brain injury
It is standby.
Background technology
Characters of traumatic brain injury (traumatic brain injury, TBI), is the weight for threatening human life and health now
One of illness is wanted, because its high rate, high disability rate and high mortality have caused the extensive attention of medical worker.Due in recent years
Traffic accident injury incidence rate substantially increases, and the incidence rate of traumatic brain injury is also being raised year by year.It is dynamic that accident simulation is hindered
Thing model mainly has two class of closed injury of brain and boring brain injury, the wherein more boring brain injury of closed injury of brain model
Model can preferably replicate pathophysiological features after mankind TBI.
Mainly there are hydraulic shock damage model (fluid percussion currently used for closed injury of brain model is replicated
Injury model, FPI), controlling cortex impact-model (cortical controlled impact model, CCI) with
And improvement Marmarou models (Marmarou ' s weight-drop model) etc..Hydraulic shock damages instrument (FPI) and causes injury power
Accurately, it is reproducible go out different degrees of brain injury；It is but experimental implementation process is complicated, high to operator's technical requirements.Electronics cranium brain
Dampen controller (eCCI) and accurately can continuously control stroke speed, and obtain the parameters such as actual shock depth and the time of staying,
But device is expensive.The weight of Michael J.Kane, Mariana Angoa-Perez et al. improvement Marmarou method designs
Fall method, the secondary damage formed because of bounce-back can be reduced, reduce experimental result variation.But tension of aluminum foil, crack size in device
Etc. being difficult to quantify.
Utility model content
The purpose of this utility model is to provide a kind of simple structure, and price is low, easy to operate, and active force is accurate, Neng Gouyou
The Characters of traumatic brain injury instrument that effect is replicated.
A kind of Characters of traumatic brain injury analog, including：
Base, the top of the base is plane；
Guide rail, the guide rail are arranged at the top of base；
Dolly, the wheel of the dolly are moved in guide rail；
Bracing frame, support frame as described above are vertically fixed on dolly；
Support bar, the bottom of the support bar are fixed on base；
Circular arc rule, the circular arc rule are fixed on support bar top；
Connecting rod, described connecting rod one end are fixed on support bar top, one end connection gravity drop hammer；
Gravity drop hammer, center rotating of the gravity drop hammer around connecting rod, and the plane being located when rotating are carved with circular arc
Degree chi place plane is parallel.
The bottom of the base is plane, and the base bottom is parallel with base upper plane.
The guide rail is groove-like, and quantity is two, each guide rail it is equivalently-sized, the guide rail is to be fixed on base
Guide groove or the guide groove being arranged under base upper plane on facial planes.
The wheel quantum count of the dolly is four, is respectively placed in dolly both sides, specular.
Support frame as described above is mutually perpendicular to the upper plane of base, and support frame as described above top is provided with through hole, and both sides set respectively
There are two semicircle retainer rings, support frame as described above is provided with semicircle retainer ring.
The support bar is threadedly secured on base.
The circular arc rule is sector, and circular arc is quadrant, and scale, the scale court are carved with the circular arc
To gravity drop hammer.
The bottom of the gravity drop hammer is dropped hammer and the connecting rod on top is threaded connection.
On the base plane, buffering sponge is additionally provided with away from one end of dolly.
Drop hammer around the connecting rod swing on top, the weight and tenesmus height of gravity drop hammer the bottom of this utility model gravity drop hammer
Can change, make the power scalable of causing injury for causing.When the experimental subject being bundled on bracing frame is struck, to experimental subject
Cranium brain carries out injury experiment, and the dolly of fixing support rack can be moved in the presence of impact force in the guide rail on base, and most
Stop eventually.This utility model structure compared to existing technology in device structure it is simple, price is low, easy to operate, due to circular arc
The sign of shape rule, precisely, power of causing injury is adjustable for active force, can effectively replicate closed injury of brain model, and dolly is with hitting
Hit motion, it is to avoid the secondary damage after shock.
Description of the drawings
Fig. 1 is schematic diagram of the present utility model；
In figure：1st, base, 2, guide rail, 3, dolly, 4, bracing frame, 5, support bar, 6, circular arc rule, 7, connecting rod,
8th, gravity drop hammer, 9, buffering sponge.
Specific embodiment
Below in conjunction with the drawings and specific embodiments, this utility model is described further.
Embodiment 1：
A kind of Characters of traumatic brain injury analog, including：Base 1, the top of base 1 is plane；Guide rail 2, guide rail 2 set
It is placed in the top of base 1；Dolly 3, the wheel of dolly 3 are moved in guide rail 2；Bracing frame 4, bracing frame 4 are vertically fixed on dolly 3
On；Support bar 5, the bottom of support bar 5 are fixed on base 1；Circular arc rule 6, circular arc rule 6 are fixed on support bar
5 tops；Connecting rod 7,7 one end of connecting rod are fixed on 5 top of support bar, one end connection gravity drop hammer 8；Gravity drop hammer 8, gravity falls
Center rotating of the hammer 8 around connecting rod 7, and the plane being located when rotating is parallel with 6 place plane of circular arc rule.
The bottom of base 1 is plane, and 1 bottom of base is parallel with 1 upper plane of base.Guide rail 2 is groove-like, and quantity is two
It is individual, each guide rail 2 it is equivalently-sized, guide rail 2 is for the guide groove that is fixed in 1 upper plane of base or is arranged on 1 top of base
Guide groove under plane.The wheel quantum count of dolly 3 is four, is respectively placed in 3 both sides of dolly, specular.Bracing frame 4 and base 1
Upper plane be mutually perpendicular to, 4 top of bracing frame is provided with through hole, is respectively provided on two sides with two semicircle retainer rings, and bracing frame 4 sets
There is semicircle retainer ring.Support bar 5 is threadedly secured on base 1.Circular arc rule 6 for sector, circular arc be four/
One circle, is carved with scale on circular arc, scale is towards gravity drop hammer 8.Drop hammer and pass through screw thread with the connecting rod on top in the bottom of gravity drop hammer 8
Connection.In 1 plane of base, buffering sponge 9 is additionally provided with away from one end of dolly 3.
The bottom of gravity drop hammer 8 is dropped hammer and the connecting rod on top is threaded connection, and can change different bottoms as needed
Drop hammer.In 1 plane of base, buffering sponge 9 is additionally provided with away from one end of dolly 3, sponge 9 is pasted and fixed on base 1 buffering, right
Big in impact force, the fast dolly of movement velocity plays cushioning effect.
The quality for taking gravity drop hammer 8 is m (g), and acceleration of gravity is g (m/s2), the drift angle of gravity drop hammer 8 and vertical direction
For α (°), the length of connecting rod 7 is L (m), and the height that gravity drop hammer 8 falls is Δ h (m), falls lowest order under gravity drop hammer 8
The speed put is v (m/s), and linear velocity is w (radian/s), according to law of conservation of energy, is then had：
Δ h=L (1-cos α)
V=Lw
It is computed drawing, gravity drop hammer 8 in the angular velocity for swinging to extreme lower position is：
Gravity drop hammer 8 in the impulsive force of extreme lower position is：
F=mw2L=2mg [L (1-cos α)]
When the drift angle of gravity drop hammer 8 and vertical direction is indicated in circular arc rule 6 for α, can indicate according to above-mentioned formula.
Cause injury process：Laboratory animal is fixed on bracing frame 4, the height of gravity drop hammer 8 is adjusted, by circular arc scale
The scale adjustment effect power of chi 6, unclamps gravity drop hammer 8, and gravity drop hammer 8 is rotated under the constraint of support bar 5 and connecting rod 7, mould
The effect of imitative Characters of traumatic brain injury.While strike, the vertical support frame 4 being fixed on dolly 3 and dolly 3 are in guide rail 2
Under constraint, advance on base 1, prevent secondary damage, stop in the presence of the end buffering sponge 9 of base 1.
Below the preferred embodiment that this utility model is created is illustrated, but this utility model is created not
It is limited to described embodiment, those of ordinary skill in the art can be with the premise of without prejudice to this utility model creative spirit
Modification or the replacement of a variety of equivalents are made, these equivalent modifications or replacement are all contained in the model limited by the application claim
In enclosing.
Claims (9)
1. a kind of Characters of traumatic brain injury analog, it is characterised in that include：
Base (1), the top of the base (1) is plane；
Guide rail (2), the guide rail (2) are arranged at the top of base (1)；
Dolly (3), the wheel of the dolly (3) are moved in guide rail (2)；
Bracing frame (4), support frame as described above (4) are vertically fixed on dolly (3)；
Support bar (5), the bottom of the support bar (5) are fixed on base (1)；
Circular arc rule (6), the circular arc rule (6) are fixed on support bar (5) top；
Connecting rod (7), described connecting rod (7) one end are fixed on support bar (5) top, one end connection gravity drop hammer (8)；
Gravity drop hammer (8), center rotating of the gravity drop hammer (8) around connecting rod (7), and the plane that is located and circular arc when rotating
Shape rule (6) place plane is parallel.
2. a kind of Characters of traumatic brain injury analog according to claim 1, it is characterised in that the base (1)
Bottom is plane, and base (1) bottom is parallel with base (1) upper plane.
3. a kind of Characters of traumatic brain injury analog according to claim 1, it is characterised in that the guide rail (2) is
Groove-like, quantity are two, each guide rail (2) it is equivalently-sized, the guide rail (2) is to be fixed in base (1) upper plane
Guide groove or the guide groove being arranged under base (1) upper plane.
4. a kind of Characters of traumatic brain injury analog according to claim 1, it is characterised in that the dolly (3)
Wheel quantum count is four, is respectively placed in dolly (3) both sides, specular.
5. a kind of Characters of traumatic brain injury analog according to claim 1, it is characterised in that support frame as described above (4)
Be mutually perpendicular to the upper plane of base (1), support frame as described above (4) top is provided with through hole, be respectively provided on two sides with two it is semicircle
Retainer ring, support frame as described above (4) are provided with semicircle retainer ring.
6. a kind of Characters of traumatic brain injury analog according to claim 1, it is characterised in that the support bar (5)
It is threadedly secured on base (1).
7. a kind of Characters of traumatic brain injury analog according to claim 1, it is characterised in that the circular arc scale
Chi (6) is sector, and circular arc is quadrant, is carved with scale on the circular arc, and the scale is towards gravity drop hammer (8).
8. a kind of Characters of traumatic brain injury analog according to claim 1, it is characterised in that the gravity drop hammer
(8) bottom is dropped hammer and the connecting rod on top is threaded connection.
9. a kind of Characters of traumatic brain injury analog according to claim 1, it is characterised in that the base (1) is put down
On face, buffering sponge (9) is additionally provided with away from one end of dolly (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620499287.1U CN206044772U (en) | 2016-05-27 | 2016-05-27 | A kind of Characters of traumatic brain injury analog |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620499287.1U CN206044772U (en) | 2016-05-27 | 2016-05-27 | A kind of Characters of traumatic brain injury analog |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206044772U true CN206044772U (en) | 2017-03-29 |
Family
ID=58372071
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620499287.1U Expired - Fee Related CN206044772U (en) | 2016-05-27 | 2016-05-27 | A kind of Characters of traumatic brain injury analog |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206044772U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105943187A (en) * | 2016-05-27 | 2016-09-21 | 南通大学 | A traumatic brain injury instrument |
| CN113116587A (en) * | 2021-05-10 | 2021-07-16 | 肇庆医学高等专科学校 | Device for simulating diffuse axonal injury |
-
2016
- 2016-05-27 CN CN201620499287.1U patent/CN206044772U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105943187A (en) * | 2016-05-27 | 2016-09-21 | 南通大学 | A traumatic brain injury instrument |
| CN105943187B (en) * | 2016-05-27 | 2018-06-29 | 南通大学 | A kind of Characters of traumatic brain injury instrument |
| CN113116587A (en) * | 2021-05-10 | 2021-07-16 | 肇庆医学高等专科学校 | Device for simulating diffuse axonal injury |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170329 Termination date: 20180527 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |