CN205795846U - A kind of animal crush injury crush syndrome experimental provision - Google Patents
A kind of animal crush injury crush syndrome experimental provision Download PDFInfo
- Publication number
- CN205795846U CN205795846U CN201620481483.6U CN201620481483U CN205795846U CN 205795846 U CN205795846 U CN 205795846U CN 201620481483 U CN201620481483 U CN 201620481483U CN 205795846 U CN205795846 U CN 205795846U
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- China
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- roller bearing
- pedestal
- crush
- concentric shafts
- many group
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Abstract
This utility model relates to animal crush injury crush syndrome experimental provision, including pedestal, is provided with fixing device and pressurizing unit on pedestal；Pressurizing unit includes being horizontally disposed with and can be to determining roller bearing and dynamic roller bearing to roll；The compressive plane of dynamic roller bearing is provided with many group concave surface extrusion structures, determines roller bearing compressive plane and is provided with many group convex surface extrusion structures, is mutually matched between many group concave surface extrusion structures and many group convex surface extrusion structures；Determine roller bearing two ends and be provided with rotating shaft, determine roller bearing across being arranged on pedestal sidewall；Dynamic roller bearing is by concentric shafts in the guide-track groove being arranged at pedestal sidewall, and concentric shafts can be slided in guide-track groove, and concentric shafts is provided with the relative slip determining roller bearing of the controlled braking roller of kayser, concentric shafts and kayser and locked；In the practice of this utility model simulated production, extremity are extruded, by roller bearing, the damage that causes, and its model is more fitted reality；Overall structure is simple, easy to operate, and its certainty of measurement is high, and experimental repeatability is good, can obtain reliable experimental data.
Description
Technical field
This utility model patent relates to crush injury-crush syndrome zoopery medical experiment equipment, particularly a kind of dynamic
Thing crush injury-crush syndrome experimental provision.
Background technology
Crush injury (crush injury) refer to the position such as extremity or trunk be squeezed for a long time and iatrogenic such as
Tourniquet ties up the soft tissue injury based on muscle caused by the reasons such as overlong time.These damages often result in body muscle
Tissue ischemia is downright bad, and in myocyte, composition is released into blood, presents with myoglobinuria, hyperkalemia, hyperphospheremia, acidosis
With the systemic pathological physiological change that azotemia is feature, one group of clinical syndrome of acute renal failure finally occurs,
It is referred to as crush syndrome (Crushsyndrome).It is more common in major natural disasters and the traffic such as wartime, earthquake and mud-rock flow
In the damage that accident causes.In earthquake, incidence rate reaches 3%～20%, has been reported that and reaches as high as 40%.In order to preferably
Carry out the basic research of crush injury-crush syndrome, carry out crush injury-extruding comprehensive animal at present and test the method master used
Have: it is main that skeletal muscle extract inputs the extruding of internal and limbs again.Oppressed by pneumatic tourniquet, intermittent air sac pressing,
Self-control simple mould the thinnest foaming vacuolar membrane, duroplasts block, special plasticity plank etc. carry out limbs compressing.Various making crush injuries are moved
The means of thing experimental model are not quite similar, and applying pressure also has weight (Kg), a difference of pressure (Pa, mmHg), not one
Standardization, repeatably model.Owing to muscular tissue is relatively soft relative to skeleton, pressurized process easily occurs inwardly outside point
Dissipate, cause the support of hind leg skeleton, and make limb muscle Tissue approximation incomplete, have impact on the effect of experiment.Simultaneously can not be fine
Simulated production practice in machine pusher wound, therefore exploitation one can altitude simulation human body crush injury-crush syndrome, and
The animal model that can well replicate, will have diagnosis and treatment and the pathogenetic research of crush injury-crush syndrome undoubtedly
Significant.
Summary of the invention
This utility model patent provides a kind of animal crush injury-crush syndrome experimental provision, and this experimental provision can guarantee that
Animal limb is carried out good squeeze test, solves crush injury-crush syndrome experimental provision pressure experiment in prior art
Reliability is not enough, measurement data inaccuracy, the shortcoming of poor repeatability.
The technical solution of the utility model is:
A kind of animal crush injury-crush syndrome experimental provision, including pedestal, is provided with fixing device on described pedestal
And pressurizing unit；
Described pedestal includes two sidewalls and the table top being arranged between two sidewalls, on described table top parallel
Organizing fixing device every being provided with, often group fixing device all includes forelimb fixing band and trunk fixing band, forelimb fixing band and body more
Dry fixing band is provided with movable locking knot that can be undone by a pull；
Described pressurizing unit and table-surface level are the most adjacent with fixing device, pressurizing unit include being horizontally disposed with and can to
Roll determines roller bearing and dynamic roller bearing；Described roller bearing two ends of determining are provided with rotating shaft, determine roller bearing by the rotating shaft at its two ends across setting
Put on pedestal sidewall, rotating shaft is provided with power gear and the crank being connected with power gear；
Described dynamic roller bearing two ends are provided with rotating shaft, and rotating shaft passes through concentric shafts across the guide-track groove being arranged at pedestal sidewall
In, concentric shafts can be slided in guide-track groove, described concentric shafts is provided with the controlled braking roller of kayser, concentric shafts and kayser relative
Determine the slip of roller bearing and locked；
The compressive plane of described dynamic roller bearing is provided with many group concave surface extrusion structures, determines roller bearing compressive plane is provided with how group convex surface squeezes
Laminated structure, is mutually matched between many group concave surface extrusion structures and many group convex surface extrusion structures, described dynamic roller bearing and the table determining roller bearing
Anti-slip veins is all carved with in face；Described determining roller surface and be provided with diaphragm pressure sensor, diaphragm pressure sensor passes through data
Line connects computer.
The dirty box of detachable receipts it is provided with in sidewall immediately below described pressurizing unit.
Described crank termination is provided with counterweight hook or counterweight seat.
Often the table position at group fixing device place is provided with groove.
The beneficial effects of the utility model:
1. in the practice of this utility model simulated production, extremity are extruded, by roller bearing, the damage that causes, and its model is more fitted reality；
Roller bearing the most of the present utility model arranges diaphragm pressure sense device, the size of energy monitoring experiment force value in real time,
Ensure the accurate control of experimental data；
3. this utility model overall structure is simple, easy to operate, and its certainty of measurement is high, and experimental repeatability is good, and can obtain can
The experimental data leaned on.
Accompanying drawing explanation
Fig. 1 is top view of the present utility model；
Fig. 2 is the side view of Fig. 1；
In figure, 1-pedestal, 2-forelimb fixing band, 3-trunk fixing band, 4-determines roller bearing, and 5-moves roller bearing, 6-crank, and 7-receives
Dirty box, 8-concentric shafts, 9-guide-track groove, 10-kayser.
Detailed description of the invention
Below in conjunction with the accompanying drawings this utility model is further detailed, a kind of animal extruding as depicted in figs. 1 and 2
Wound-crush syndrome experimental provision, including pedestal 1, is provided with fixing device and pressurizing unit on described pedestal 1；
Described pedestal 1 includes two sidewalls and the table top being arranged between two sidewalls, parallel on described table top
It is arranged at intervals with and organizes fixing device more, meet the demand that multiple experimental subject is tested simultaneously；Often group fixing device all includes forelimb
Fixing band 2 and trunk fixing band 3, forelimb fixing band 2 and trunk fixing band 3 are provided with movable locking knot that can be undone by a pull；Forelimb is solid
Surely the stretching degree with 2 and locking knot that can be undone by a pull can adjust according to animal forelimb length, thickness；Trunk fixing band 3 and locking knot that can be undone by a pull
Stretching degree can adjust according to animal trunk size；
Described pressurizing unit and table-surface level are the most adjacent with fixing device, pressurizing unit include being horizontally disposed with and can to
Roll determines roller bearing 4 and dynamic roller bearing 5；Described roller bearing 4 two ends of determining are provided with rotating shaft, determine roller bearing 4 horizontal by the rotating shaft at its two ends
Across being arranged on pedestal 1 sidewall, rotating shaft is provided with power gear and the crank 6 being connected with power gear；Described crank 6
Termination is provided with counterweight hook or counterweight seat.Described dynamic roller bearing 5 two ends are provided with rotating shaft, and rotating shaft passes through concentric shafts 8 across setting
In the guide-track groove 9 of pedestal 1 sidewall, concentric shafts 8 can be slided in guide-track groove 9, and described concentric shafts 8 is provided with kayser 10, with
The relative slip determining roller bearing 4 of mandrel 8 braking roller controlled with kayser 10 5 and locked；
The compressive plane of described dynamic roller bearing 5 is provided with many group concave surface extrusion structures, determines roller bearing 4 compressive plane and is provided with and organizes convex surface more
Extrusion structure, is mutually matched between many group concave surface extrusion structures and many group convex surface extrusion structures, described dynamic roller bearing 5 and determine roller bearing 4
Surface be all carved with anti-slip veins；Described determine roller bearing 4 surface configuration and have diaphragm pressure sensor, diaphragm pressure sensor to pass through
Data wire connects computer.
Detachable dirt box 7 of receiving, dirt-collecting after convenient extruding it is provided with immediately below described pressurizing unit；
It is provided with groove, in order to preferably fix laboratory animal in the table position often organizing fixing device place；
This utility model is applicable to the hind leg squeeze test of medium and small animal, as a example by mice, introduces one in detail below
Specifications parameter:
Pedestal 1 a size of 410mm × 350mm × 285mm, material is metal；The radius determining roller bearing 4 and dynamic roller bearing 5 is
20mm, material is steel or cast iron；Two roller bearing spacing are 5mm, spacing scalable, and 5mm is 1 grade, and maximum is adjustable to 50mm；Dynamic rolling
Axle 5 concave surface width scalable, range of accommodation 0-20mm, a length of 100mm of crank, end arranges counterweight hook；Counterweight hook can hang
Counterweight weight is 100g, 200g, 500g, 1Kg, 2Kg, 5Kg.
Introduce use process of the present utility model in detail below, as a example by mice:
First will treat that experiment mice is placed on pedestal 1 table top of the present utility model, double forelimbs are solid by forelimb fixing band 2
Fixed, trunk is fixed by trunk fixing band 3；
Adjust the spacing determining between roller bearing 4 and dynamic roller bearing 5, mice left and right hind leg is stretched into determine roller bearing 4 and dynamic roller bearing 5 it
Between；
It is mutually aligned coupling between many groups concave surface extrusion structure and the many groups convex surface extrusion structure determining roller bearing 4 of dynamic roller bearing 5,
Adjust and determine roller bearing 4 and dynamic roller bearing 5 spacing, after arriving extrusion position, by the locked dynamic roller bearing 5 of kayser 10, now mouse hind leg quilt
Clamping；
Shake handle, dynamic roller bearing 5 and determine roller bearing 4 and rotate in opposite directions, concave surface extrusion structure and convex surface extrusion structure are mutually matched
And producing extruding force, mouse hind leg is squeezed, and experimenter needs to add one by one counterweight according to experiment, determines roller bearing 4 skin covering of the surface
Chip pressure experience device can monitor the size of force value in real time, it is ensured that the accurate control of experimental data.
Content of the present utility model is not limited to cited by embodiment, and those of ordinary skill in the art are new by reading this practicality
Type description and the conversion of any equivalence of taking technical scheme, be this utility model claim and contained.
Claims (4)
1. animal crush injury-crush syndrome experimental provision, it is characterised in that:
Including pedestal (1), described pedestal (1) is provided with fixing device and pressurizing unit；
Described pedestal (1) includes two sidewalls and the table top being arranged between two sidewalls, on described table top parallel
Organizing fixing device every being provided with, often group fixing device all includes forelimb fixing band (2) and trunk fixing band (3), and forelimb is fixed more
Band (2) and trunk fixing band (3) are provided with movable locking knot that can be undone by a pull；
Described pressurizing unit and table-surface level are the most adjacent with fixing device, and pressurizing unit includes being horizontally disposed with and can be to rolling
Determine roller bearing (4) and dynamic roller bearing (5)；Described roller bearing (4) two ends of determining are provided with rotating shaft, determine roller bearing (4) turning by its two ends
Axle, across being arranged on pedestal (1) sidewall, is provided with power gear and the crank (6) being connected with power gear in rotating shaft；
Described dynamic roller bearing (5) two ends are provided with rotating shaft, and rotating shaft passes through concentric shafts (8) across being arranged at leading of pedestal (1) sidewall
In rail groove (9), concentric shafts (8) can be slided in guide-track groove (9), and described concentric shafts (8) is provided with kayser (10), concentric shafts
(8) slip of determining roller bearing (4) relative with kayser (10) controlled braking roller (5) and locked；
The compressive plane of described dynamic roller bearing (5) is provided with many group concave surface extrusion structures, determines roller bearing (4) compressive plane and is provided with and organizes convex surface more
Extrusion structure, is mutually matched between many group concave surface extrusion structures and many group convex surface extrusion structures, described dynamic roller bearing (5) and determine roller bearing
(4) anti-slip veins is all carved with on surface；Described determining roller bearing (4) surface configuration and have a diaphragm pressure sensor, diaphragm pressure is experienced
Device connects computer by data wire.
Animal crush injury-crush syndrome experimental provision the most according to claim 1, it is characterised in that:
The dirty box (7) of detachable receipts it is provided with in sidewall immediately below described pressurizing unit.
Animal crush injury-crush syndrome experimental provision the most according to claim 1 and 2, it is characterised in that:
Described crank (6) termination is provided with counterweight hook or counterweight seat.
Animal crush injury-crush syndrome experimental provision the most according to claim 3, it is characterised in that:
Often the table position at group fixing device place is provided with groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620481483.6U CN205795846U (en) | 2016-05-25 | 2016-05-25 | A kind of animal crush injury crush syndrome experimental provision |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620481483.6U CN205795846U (en) | 2016-05-25 | 2016-05-25 | A kind of animal crush injury crush syndrome experimental provision |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205795846U true CN205795846U (en) | 2016-12-14 |
Family
ID=57500358
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620481483.6U Withdrawn - After Issue CN205795846U (en) | 2016-05-25 | 2016-05-25 | A kind of animal crush injury crush syndrome experimental provision |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205795846U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105919690A (en) * | 2016-05-25 | 2016-09-07 | 西安市红会医院 | Experimental device for animal CI-CS (crush injury-crush syndrome) |
| CN108742925A (en) * | 2018-05-31 | 2018-11-06 | 中国人民解放军第四军医大学 | A kind of rabbit neck psoas pain modeling device |
-
2016
- 2016-05-25 CN CN201620481483.6U patent/CN205795846U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105919690A (en) * | 2016-05-25 | 2016-09-07 | 西安市红会医院 | Experimental device for animal CI-CS (crush injury-crush syndrome) |
| CN108742925A (en) * | 2018-05-31 | 2018-11-06 | 中国人民解放军第四军医大学 | A kind of rabbit neck psoas pain modeling device |
| CN108742925B (en) * | 2018-05-31 | 2020-09-01 | 中国人民解放军第四军医大学 | Rabbit neck lumbar muscle pain molding 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 | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20161214 Effective date of abandoning: 20170704 |