CN204581591U - A kind of toy perfusion is drawn materials fixture - Google Patents
A kind of toy perfusion is drawn materials fixture Download PDFInfo
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- CN204581591U CN204581591U CN201520115735.9U CN201520115735U CN204581591U CN 204581591 U CN204581591 U CN 204581591U CN 201520115735 U CN201520115735 U CN 201520115735U CN 204581591 U CN204581591 U CN 204581591U
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- perfusion
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- drawn materials
- support post
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Abstract
This utility model relates to laboratory equlpment technical field, and specifically a kind of toy perfusion is drawn materials fixture, comprises the expansion link, support post and the base that connect successively, wherein: the side of described support post is provided with mechanical arm and operating platform; Described operating platform is provided with extremity fixation clamp and heart fixation clamp, and the bottom of this operating platform is provided with waste liquid collecting box.The beneficial effects of the utility model are, once to after the cardiac puncture of laboratory animal, puncture position not easily offsets, location is more stable, accurate, laboratory animal can be in operating platform clear visual field when convenient operation personnel carry out the relative position of test operation and carry out perfusion by multi-faceted adjustment; Effective collection experimental waste liquid, avoids environmental pollution; Can to arrange in pairs or groups many mechanical arms, perfusion while realizing many laboratory animals; Can realize one man operation, save manpower and time, the personnel of testing can grasp Perfusion rapidly, avoid the waste of laboratory animal, have saved cost.
Description
Technical field
This utility model relates to laboratory equlpment technical field, and specifically a kind of toy perfusion is drawn materials fixture.
Background technology
It is that the good morphological observations of acquisition and preservation brain, kidney, heart and other many organ institutes are required that laboratory animal perfusion is drawn materials.Key step is: put to death after animal, cut rib rapidly, cut off diaphragm, and expose heart, pipe of threading a needle thrusts left ventricle, cuts right atrium discharge opeing open, and generally need the paraformaldehyde continous perfusion 15 minutes of use 4%, the time is longer sometimes.This operation requirements experimenter has and starts technical ability preferably.Especially as large in the perfusion difficulty of mice, tire Mus, neonatal rat etc. for meiofauna, require high, be embodied in: 1) mice has heart small volume, puncture needle easily passes left ventricle or wears out interventricular septum and leads to the failure; 2) continous perfusion whole process needs the hand-held piercing needle of experimenter, and the shake of hands easily causes syringe needle to pass left ventricle or wears out interventricular septum failure; 3) omnidistancely need a people to fix puncture needle, inject perfusate for one, at least need two people to coordinate, manpower and time cost higher.
Application number is " 201310061398.5 ", Authorization Notice No. is " CN 103070736 A ", the Chinese invention patent that name is called " the perfusion fixture of toy experiment and method " discloses perfusion fixture and the method for the experiment of a kind of toy, comprise base, described base upper surface is provided with the first syringe holder and the second syringe holder, and it is corresponding with the first syringe holder to be provided with the first guide chute, be provided with the second guide chute corresponding with the second syringe holder, the first slide block is sliding combined with in first guide chute, the second slide block is sliding combined with in second guide chute, the first motor and the second motor is respectively equipped with in described base, described first motor is connected with the first slide block by the first leading screw and nut mechanism, described second motor is connected with the second slide block by the second leading screw and nut mechanism, described first motor, second motor is all electrically connected circuit for controlling motor, base is provided with perfusion flow rate regulation button and motor control switch, described perfusion flow rate regulation button and motor control switch are all electrically connected with circuit for controlling motor.The defect of this patent of invention is: practical operation platform area is little, and the visual field is not good; The waste liquid that experiment produces can not be collected in time, contaminated environment.
Utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, there is provided one can realize one man operation, save manpower and time, experimenter can grasp Perfusion rapidly, avoids the waste of laboratory animal, and a kind of toy perfusion having saved cost is drawn materials fixture.
In order to achieve the above object, this utility model provides a kind of toy perfusion and to draw materials fixture, comprises the expansion link, support post and the base that connect successively, wherein: the side of described support post is provided with mechanical arm and operating platform;
Described operating platform is provided with extremity fixation clamp and heart fixation clamp, and the bottom of this operating platform is provided with waste liquid collecting box.Puncture needle uses under the cooperation of extremity fixation clamp and heart fixation clamp is fixing, once to after cardiac puncture, puncture position not easily offsets.
Preferably, described operating platform is connected on support post by platform adjustment mechanism;
Described platform adjustment mechanism is provided with front and back adjusting knob and left and right adjusting knob.Adjusted by adjusting knob and the position of left and right adjusting knob to platform before and after rotating, mice is in relative position that convenient operation personnel carry out test operation.
Preferably, cross bar is stretched out at the top of described expansion link, and the end of this cross bar is provided with hook.Described hook hangs with perfusate bag, perfusate conduit is stretched out in the bottom of perfusate bag, and this perfusate conduit is provided with perfusate switch, and described perfusion puncture needle is communicated with the end of perfusate conduit.The height of perfusate bag is regulated by expansion link, to coordinate puncture.
Preferably, described support post is provided with up-down adjustment track, and this up-down adjustment track configures magnifier.After making magnifier be in proper height by regulating up-down adjustment track, the more concrete angle of magnifier is finely tuned, until light source direction is radiated at mouse heart position; The amplification optically focused effect of magnifier is more prone to for the perfusion operation of mice especially tire Mus.
Further, the side of described magnifier is provided with light source;
Described base is provided with the light source switch be communicated with this light source.
Preferably, the number of described extremity fixation clamp is 4.4 extremity fixation clamps are used for the extremity gripping laboratory animal respectively.
Preferably, described mechanical arm comprises two sections of mutually hinged telescopic arms, and the free end of mechanical arm connects holds pin folder.Described puncture needle is clipped in this and holds in pin folder, and puncture needle is fixed by mechanical arm, can realize 360 ° of orientation rotations, relate to the optional position above operating platform, and hold pin folder fixing under, location is more stable, accurately.
Preferably, described operating platform is communicated with by waste collection hole with waste liquid collecting box.The formaldehyde that waste liquid collecting box overflows when can collect perfusion, avoids environmental pollution.
Preferably, a kind of toy perfusion is drawn materials the using method of fixture, and the method comprises the steps:
The height of expansion link is regulated;
Adjusting mechanical arm makes it be in applicable position;
Perfusate bag to be arranged on expansion link and by puncture needle retaining on the robotic arm, the position of extremity fixation clamp and heart fixation clamp and angle on adjustment operating platform;
Perfusion waste liquid flows in waste liquid collecting box through operating platform.
Perfusate in above-mentioned perfusate bag passes through puncture needle perfusion in toy heart.
Further, the method comprises the steps:
By the light source switch on lower bottom base, open light source;
Regulate the height of expansion link, by adjusting knob before and after the rotation of platform adjustment mechanism and left and right adjusting knob, the position to operating platform adjusts, and adjusting mechanical arm makes it be in applicable position;
Be hung on the hook of cross bar by perfusate bag, the pin of holding perfusion puncture needle being fixed on mechanical arm presss from both sides, and perfusion puncture needle is communicated with perfusate bag by perfusate conduit, and perfusate switch is in closure state;
Adjust position and the angle of extremity fixation clamp and heart fixation clamp on operating platform;
After making magnifier be in proper height by regulating up-down adjustment track, the more concrete angle of magnifier is finely tuned;
Observe from the magnifier visual field, open perfusate switch and make it be in opening, start perfusion;
Perfusion waste liquid can be flowed into the waste liquid collecting box of below by operating platform through waste collection hole, continous perfusion is to terminating.
Described toy can be the animals such as experiment mice, experimental rat, experimental rabbit.
The beneficial effects of the utility model are, use under the cooperation of extremity fixation clamp and heart fixation clamp is fixing for the puncture needle that punctures to laboratory animal heart, once to after cardiac puncture, puncture position not easily offsets; Adjusted by adjusting knob and the position of left and right adjusting knob to platform before and after rotating, mice is in relative position that convenient operation personnel carry out test operation; The height of perfusate bag regulates by expansion link, to coordinate puncture; After making magnifier be in proper height by regulating up-down adjustment track, the more concrete angle of magnifier is finely tuned, until light source direction is radiated at mouse heart position; The amplification optically focused effect of magnifier is more prone to for the perfusion operation of mice especially tire Mus; Puncture needle is fixed by mechanical arm, can realize 360 ° of orientation rotations, relate to the optional position above operating platform, and hold pin folder fixing under, location is more stable, accurately; The formaldehyde that waste liquid collecting box overflows when can collect perfusion, avoids environmental pollution; Can to arrange in pairs or groups many mechanical arms, perfusion while realizing many laboratory animals.This utility model can realize one man operation, has saved manpower and time, and experimenter can grasp Perfusion rapidly, avoids the waste of laboratory animal, has saved cost.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Wherein:
1-expansion link 11-cross bar 12-links up with
13-perfusate bag 14-perfusate conduit 15-perfusate switch
2-support post 21-up-down adjustment track 22-magnifier
23-light source 231-light source switch 3-mechanical arm
31-holds pin folder 4-operating platform 41-extremity fixation clamp
42-heart fixation clamp 43-waste collection hole 44-waste liquid collecting box
Adjusting knob 52-left and right adjusting knob before and after 5-platform adjustment mechanism 51-
6-base 7-perfusion puncture needle
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, this utility model is described further.
Embodiment 1:
A kind of toy perfusion is as shown in Figure 1 drawn materials fixture, and comprise the expansion link 1, support post 2 and the base 6 that connect successively, the side of described support post 2 is provided with mechanical arm 3 and operating platform 4;
Described mechanical arm 3 comprises two sections of mutually hinged telescopic arms, and the free end of mechanical arm 3 connects holds pin folder 31, and puncture needle 7 is clipped in this and holds in pin folder 31.Puncture needle 7 is fixed by mechanical arm 3, can realize 360 ° of orientation rotations, relate to the optional position above operating platform 4, and hold pin folder 31 fixing under, location is more stable, accurately.Use many mechanical arms, perfusion while many laboratory animals can be realized.
Described operating platform 4 is provided with four extremity fixation clamps 41 and heart fixation clamp 42.Puncture needle 7 uses under the cooperation of extremity fixation clamp 41 and heart fixation clamp 42 is fixing, once to after cardiac puncture, position not easily offsets.
The bottom of this operating platform 4 is provided with waste liquid collecting box 44, and operating platform 4 is communicated with by waste collection hole 43 with waste liquid collecting box 44.The formaldehyde that waste liquid collecting box 44 overflows when can collect perfusion, avoids environmental pollution.
Described operating platform 4 is connected on support post 2 by platform adjustment mechanism 5, and platform conditioner 5 is provided with front and back adjusting knob 51 and left and right adjusting knob 52.
Cross bar 11 is stretched out at the top of described expansion link 1, and the end of this cross bar 11 is provided with hook 12.Described hook 12 hangs with perfusate bag 13, and perfusate conduit 14 is stretched out in the bottom of perfusate bag 13, and this perfusate conduit 14 is provided with perfusate switch 15.Perfusion puncture needle 7 is communicated with the end of perfusate conduit 14.
Described support post 2 is provided with up-down adjustment track 21, and this up-down adjustment track 21 configures magnifier 22.Magnifier 22 is more prone to for the perfusion operation of mice especially tire Mus.
The side of described magnifier 22 is provided with light source 23, and base 6 is provided with the light source switch 231 be communicated with this light source 23.
Actual example:
Select experiment mice to carry out perfusion to draw materials fixing experiment, method is as follows:
1, by the light source switch 231 on lower bottom base 6, light source 23 is opened;
2, regulate the height of expansion link 1, adjusted by the position of adjusting knob 51 and left and right adjusting knob 52 pairs of operating platforms 4 before and after the rotation of platform adjustment mechanism 5, adjusting mechanical arm 3 makes it be in applicable position;
3, be hung on the hook 12 of cross bar 11 by perfusate bag 13, the pin of holding perfusion puncture needle 7 being fixed on mechanical arm 3 presss from both sides on 31, and perfusion puncture needle 7 is communicated with perfusate bag 13 by perfusate conduit 14, and perfusate switch 15 is in closure state;
4, the mice of having anaesthetized is placed on operating platform 4, adjust position and the angle of extremity fixation clamp 41 and heart fixation clamp 42 on operating platform 4, the extremity of mice are fixed respectively, mice is in relative position that convenient operation personnel carry out test operation with four extremity fixation clamps 41;
5, cut off mice thoracic cavity and its heart is exposed completely, after making magnifier 22 be in proper height by regulating up-down adjustment track 21, again the concrete angle of magnifier 22 is finely tuned, until light source direction is radiated at mouse heart position, be fixed with the cardiac position of heart fixation clamp 42 pairs of mices;
6, observe from magnifier 22 visual field, puncture needle 7 is thrust the left ventricle of mice by hand-held set mechanical arm 3, until among the blood back flow of beating as seen to pipeline;
7, cut off right atrium, open perfusate switch 15 and make it be in opening, start perfusion.The perfusate flowed out by right atrium can be flowed into the waste liquid collecting box 44 of below by operating platform 4 through waste collection hole 43, continous perfusion is to terminating.
Below the preferred embodiment that this utility model is created is illustrated, but this utility model is created and is not limited to described embodiment, those of ordinary skill in the art can also make all equivalent modification or replacement under the prerequisite without prejudice to this utility model creative spirit, and these equivalent modifications or replacement are all included in the application's claim limited range.
Claims (8)
1. a toy perfusion is drawn materials fixture, it is characterized in that: comprise the expansion link (1), support post (2) and the base (6) that connect successively, wherein: the side of described support post (2) is provided with mechanical arm (3) and operating platform (4);
Described operating platform (4) is provided with extremity fixation clamp (41) and heart fixation clamp (42), and the bottom of this operating platform (4) is provided with waste liquid collecting box (44).
2. a kind of toy perfusion according to claim 1 is drawn materials fixture, it is characterized in that: described operating platform (4) is connected on support post (2) by platform adjustment mechanism (5);
Described platform adjustment mechanism (5) is provided with front and back adjusting knob (51) and left and right adjusting knob (52).
3. a kind of toy perfusion according to claim 1 is drawn materials fixture, it is characterized in that: cross bar (11) is stretched out at the top of described expansion link (1), the end of this cross bar (11) is provided with hook (12).
4. a kind of toy perfusion according to claim 1 is drawn materials fixture, it is characterized in that: described support post (2) is provided with up-down adjustment track (21), this up-down adjustment track (21) configures magnifier (22).
5. a kind of toy perfusion according to claim 4 is drawn materials fixture, it is characterized in that: the side of described magnifier (22) is provided with light source (23);
Described base (6) is provided with the light source switch (231) be communicated with this light source (23).
6. a kind of toy perfusion according to claim 1 is drawn materials fixture, it is characterized in that: the number of described extremity fixation clamp (41) is 4.
7. a kind of toy perfusion according to claim 1 is drawn materials fixture, it is characterized in that: described mechanical arm (3) comprises two sections of mutually hinged telescopic arms, the free end of mechanical arm (3) connects holds pin folder (31).
8. a kind of toy perfusion according to claim 1 is drawn materials fixture, it is characterized in that: described operating platform (4) is communicated with by waste collection hole (43) with waste liquid collecting box (44).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520115735.9U CN204581591U (en) | 2015-02-26 | 2015-02-26 | A kind of toy perfusion is drawn materials fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520115735.9U CN204581591U (en) | 2015-02-26 | 2015-02-26 | A kind of toy perfusion is drawn materials fixture |
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| Publication Number | Publication Date |
|---|---|
| CN204581591U true CN204581591U (en) | 2015-08-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520115735.9U Expired - Fee Related CN204581591U (en) | 2015-02-26 | 2015-02-26 | A kind of toy perfusion is drawn materials fixture |
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| CN (1) | CN204581591U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104644284A (en) * | 2015-02-26 | 2015-05-27 | 中国人民解放军第二军医大学 | Small animal perfusion sampling fixing device and small animal perfusion sampling fixing method |
| CN108742875A (en) * | 2018-06-08 | 2018-11-06 | 新乡医学院 | A kind of high-efficiency in-vitro cardiac perfusion device |
-
2015
- 2015-02-26 CN CN201520115735.9U patent/CN204581591U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104644284A (en) * | 2015-02-26 | 2015-05-27 | 中国人民解放军第二军医大学 | Small animal perfusion sampling fixing device and small animal perfusion sampling fixing method |
| CN108742875A (en) * | 2018-06-08 | 2018-11-06 | 新乡医学院 | A kind of high-efficiency in-vitro cardiac perfusion device |
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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: 20150826 Termination date: 20170226 |
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| CF01 | Termination of patent right due to non-payment of annual fee |