CN203677050U - Simple light source rectoscope internally installed in experimental animal - Google Patents
Simple light source rectoscope internally installed in experimental animal Download PDFInfo
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- CN203677050U CN203677050U CN201320828734.XU CN201320828734U CN203677050U CN 203677050 U CN203677050 U CN 203677050U CN 201320828734 U CN201320828734 U CN 201320828734U CN 203677050 U CN203677050 U CN 203677050U
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- light source
- rectoscope
- rectal cannula
- lighting circuit
- circuit unit
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Abstract
The utility model relates to a simple light source rectoscope internally installed in an experimental animal. The simple light source rectoscope comprises an anal dilatation observation unit and a lighting circuit unit, wherein the anal dilatation observation unit comprises a rectum intubation tube; the lighting circuit unit comprises a light source; the rectum intubation tube is provided with an inlet end and a hand-holding end; the tube diameter of the rectum intubation tube from the inlet end to the hand-holding end is gradually increased; an observation window is formed in the wall of the rectum intubation tube close to the inlet end; the light source is arranged at the position of the observation window of the rectum intubation tube. According to the simple light source rectoscope, the rectum inner wall of the animal can be located, observed, injected and molded, and the light source rectoscope is simple in structure and convenient to operate.
Description
Technical field
This utility model relates to medical science and pharmacological basis research field, particularly relates to a kind of simple and easy laboratory animal built-in light source rectoscope.
Background technology
At present, medical science and pharmacy basic research field at home and abroad, the construction of the pathological models such as animal rectum inflammation, pain is very difficult, and the research and development of its control medicine are difficult to realize in whole animal, often adopt In vitro cell experiment.For example study anti-inflammatory analgesic and lack Encelialgia model, existing technical method is to adopt lumbar injection glacial acetic acid, Venenum apis or formal quinoline to bring out the model of mouse writhing, this model can not accurately be located, inflammatory factor, toxin or modeling derivant are injected directly into intraperitoneal, bring out Abdominal inflammation and cause animal dead, therefore this model is not suitable for studying the slow generation of chronic inflammatory disease pain and the process of development, and then brings certain difficulty to new drug evaluation.
The people of large hospital configuration is with intestinal mirror instrument, in theory can be for the observation of the rectum of large animal (such as Canis familiaris L. and monkey etc.), but belong to valuable medical apparatus and instruments, and to toy, (such as rat, Cavia porcellus, rabbit and cat etc.) can not be suitable for.Therefore, develop a kind of rectum observation, injection and sampler of laboratory animal, the rectum observation, injection and the sampler that are especially applicable to toy are particularly urgent.
Utility model content
The purpose of this utility model is to propose a kind of simple and easy laboratory animal built-in light source rectoscope, and it can implement location observation, injection and modeling to the inner walls of rectums of animal, simple in structure, easy to operate.
For achieving the above object, this utility model provides following technical scheme:
A kind of simple and easy laboratory animal built-in light source rectoscope, comprises and expands anus observing unit and lighting circuit unit, wherein: expand anus observing unit and comprise rectal cannula; Lighting circuit unit comprises light source; Rectal cannula has a upstream end and a handheld terminal; Increase gradually to handheld terminal rectal cannula caliber from upstream end; Offer observation window near on the rectal cannula tube wall of upstream end; Light source is arranged on the observation window position of rectal cannula.
Further, expand anus observing unit and also comprise lever; Lever is arranged on the handheld terminal of rectal cannula.
Further, the length range of rectal cannula is 60～200mm.
Further, the wide scope of observation window is 3-8mm; The scope of the length of observation window is 13-36mm.
Further, the external diameter scope of the upstream end of rectal cannula is 5-10mm; The inside diameter ranges of the upstream end of rectal cannula is 3-8mm.
Further, lighting circuit unit also comprises wire; Wire is electrically connected with light source; The internal face of rectal cannula offers the groove of accommodating wire.
Further, lighting circuit unit also comprises wire fixation clamp; Wire fixation clamp is arranged on the handheld terminal of rectal cannula.
Further, lighting circuit unit also comprises power supply, adjustable resistance and rearrangeable switch, wherein: light source is connected with power supply with rearrangeable switch by adjustable resistance.
Further, lighting circuit unit also comprises rectal cannula line trap; Rectal cannula line trap is electrically connected with light source by wire; Power supply has light source output socket; It is light source power supply that rectal cannula line trap can make power supply by insertion light source output socket.
Further, lighting circuit unit also comprises power supply indicator.
Based on technique scheme, the utility model has the advantages that:
Because being provided with, this utility model expands anus observing unit and lighting circuit unit, comprise the rectal cannula with a upstream end and a handheld terminal and expand anus observing unit, lighting circuit unit comprises light source, increase gradually to the caliber of handheld terminal rectal cannula from upstream end, offer observation window near on the rectal cannula tube wall of upstream end, light source is arranged on the observation window position of rectal cannula, therefore, when use, only need to adopt the mode of armstrong's patent to expand the anus of animal, the upstream end of rectal cannula is stretched into the internal rectum of animal, rectal cannula enters after rectum, the autogenous shrinkage effect of animal intestinal tube, make intestinal tube inwall automatically protruding in the observation window of rectal cannula, by being built in the light source in rectal cannula, can be clear, exactly animal intestine inside pipe wall is positioned to observation, injection and sampling modeling.
This utility model can be for laboratory animal conventional in pharmacy and basic medical research, as: the recial disease model of rat, Cavia porcellus, rabbit, cat, Canis familiaris L. and monkey etc., also can check above-mentioned laboratory animal inner walls of rectums, injectable drug, manufacture enteritis and rectal pain model etc., can also be widely used in the field such as inspection of new drug research, laboratory animal intestinal portion disease.
Brief description of the drawings
Accompanying drawing described herein is used to provide further understanding of the present utility model, forms the application's a part, and schematic description and description of the present utility model is used for explaining this utility model, does not form improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the structure top view that expands anus observing unit one embodiment in brief test animal built-in light source rectoscope provided by the utility model;
Fig. 2 is the front elevation of Fig. 1;
Fig. 3 is the right view of Fig. 1;
Fig. 4 is the part-structure schematic diagram of lighting circuit unit one embodiment in brief test animal built-in light source rectoscope provided by the utility model.
Detailed description of the invention
For object, technical scheme and advantage that this utility model is implemented are clearer, below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is further described in more detail.In the accompanying drawings, same or similar label represents same or similar element or has the element of identical or similar functions from start to finish.Described embodiment is this utility model part embodiment, instead of whole embodiment.Be exemplary below by the embodiment being described with reference to the drawings, be intended to for explaining this utility model, and can not be interpreted as restriction of the present utility model.Based on the embodiment in this utility model, those of ordinary skill in the art are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of this utility model protection.Below in conjunction with accompanying drawing, embodiment of the present utility model is elaborated.
In description of the present utility model, it will be appreciated that, term " " center ", " longitudinally ", " laterally ", " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end ", " interior ", orientation or the position relationship of instructions such as " outward " are based on orientation shown in the drawings or position relationship, only this utility model and simplified characterization for convenience of description, instead of device or the element of instruction or hint indication must have specific orientation, with specific orientation structure and operation, therefore can not be interpreted as the restriction to this utility model protection domain.
Laboratory animal built-in light source rectoscope provided by the utility model comprises expansion anus observing unit and lighting circuit unit, wherein:
As Figure 1-3, expand anus observing unit and comprise rectal cannula 1, it can adopt stainless steel material, also can make with organic materials such as politef.Rectal cannula 1 has a upstream end 11 and a handheld terminal 12, increases gradually to the caliber of handheld terminal 12 rectal cannulas from upstream end 11.According to the kind difference (anus varies in size) of laboratory animal, the conical pipe of the rectal cannula 1 60～200mm that adopts.External diameter 5～the 10mm of upstream end 11, internal diameter 3～8mm.External diameter 10～the 15mm of handheld terminal 12, internal diameter 8～13mm.Hence one can see that, and rectal cannula 1 is less, is conventionally applicable to if rat, Cavia porcellus, rabbit, cat, Canis familiaris L. and monkey etc. are compared with the recial disease experiment of toy.
On the tube wall of the rectal cannula 1 of close upstream end 11, offer observation window 13, on its conical pipe, open 13～36mm long, the observation window that 3～8mm is wide, observation window can be the rectangle in figure, also can be other shape, this observation window be mainly used in observing and injection.Lighting circuit unit comprises light source 2, and light source 2 is arranged on the observation window position of rectal cannula 1, and light source 2 can adopt LED etc.The size of observation window 13 is mainly to determine according to the size of rectal cannula 1 and light source 2.
In above-described embodiment, expand anus observing unit and also comprise lever 3, lever 3 is arranged on the handheld terminal 12 of rectal cannula 1, is beneficial to expand anus operation.The concrete method to set up of lever 3 is: offer a wide 3～8mm at the end face 5～10mm place apart from handheld terminal 12, and the side mouth of long 13～36mm, this side mouth is for fitting operation handle 3.
Lighting circuit unit also comprises wire 4, and wire 4 is electrically connected with light source 2.For conducting wire 4, first need to offer at the internal face of rectal cannula 1 the groove (not shown) of accommodating wire, then the wire 4 that is arranged in rectal cannula 1 is placed on to this groove, thereby can makes total compacter.
Lighting circuit unit also comprises wire fixation clamp 5, and wire fixation clamp 5 is arranged on the handheld terminal 12 of rectal cannula 1, and in the present embodiment, wire fixation clamp 5 is connected on lever 3.
When light source 2 is installed, first by light source 2(such as LED bulb) be built in observation window 13 positions of rectal cannula 1, then adopt bonding agent (such as 502 glue) wire 4 to be fixed in the groove of rectal cannula 1 internal face, and draw along the groove of rectal cannula 1, finally utilize the wire fixation clamp 5 on lever 3 fixing.
As shown in Figure 4, in above-described embodiment, lighting circuit unit also comprises power supply 6 and rearrangeable switch 7, wherein: light source 2 is connected with power supply 6 by rearrangeable switch 7.What power supply 6 adopted is 220V alternating current power supply, through transformation rectification to 5V DC source.Power supply 6 can adopt commercially available transformation rectification module.Rearrangeable switch 7 is adjustable resistances, regulates the size of its resistance, thereby reach the brightness of controlling rectal cannula 1 inner light source 2 by rearrangeable switch 7, makes the brightness of light source 2 be applicable to intestinal tube inwall to observe, sample and injection.
Lighting circuit unit also comprises rectal cannula line trap 8, and rectal cannula line trap 8 is electrically connected with light source 2 by wire 4.Power supply 6 has light source output socket 61, and rectal cannula line trap 8 can make power supply 6 power for light source 2 by inserting light source output socket 61.
Lighting circuit unit also comprises power supply indicator 9, for "on" position of the present utility model is shown.
When this utility model uses, only need to adopt the mode of armstrong's patent to expand the anus of animal, the upstream end of rectal cannula 1 11 is stretched into the internal rectum of animal, rectal cannula 1 enters after rectum, the autogenous shrinkage effect of animal intestinal tube, make intestinal tube inwall automatically protruding in the observation window 13 of rectal cannula 1, by being built in the light source 2 in rectal cannula 1, just can be clear, exactly animal intestine inside pipe wall is positioned observation, injection and samples modeling.
Finally should be noted that: above embodiment is only in order to illustrate that the technical solution of the utility model is not intended to limit; Although this utility model is had been described in detail with reference to preferred embodiment, those of ordinary skill in the field are to be understood that: still can modify or part technical characterictic is equal to replacement detailed description of the invention of the present utility model; And not departing from the spirit of technical solutions of the utility model, it all should be encompassed in the middle of the technical scheme scope of this utility model request protection.
Claims (10)
1. a simple and easy laboratory animal built-in light source rectoscope,
It is characterized in that:
Comprise and expand anus observing unit and lighting circuit unit, wherein:
Expand anus observing unit and comprise rectal cannula;
Lighting circuit unit comprises light source;
Rectal cannula has a upstream end and a handheld terminal;
Increase gradually to the caliber of handheld terminal rectal cannula from upstream end;
Offer observation window near on the rectal cannula tube wall of upstream end;
Light source is arranged on the observation window position of rectal cannula.
2. rectoscope as claimed in claim 1,
It is characterized in that:
Expand anus observing unit and also comprise lever;
Lever is arranged on the handheld terminal of rectal cannula.
3. rectoscope as claimed in claim 2,
It is characterized in that:
The length range of rectal cannula is 60～200mm.
4. rectoscope as claimed in claim 3,
It is characterized in that:
The wide scope of observation window is 3-8mm;
The scope of the length of observation window is 13-36mm.
5. rectoscope as claimed in claim 4,
It is characterized in that:
The external diameter scope of the upstream end of rectal cannula is 5-10mm;
The inside diameter ranges of the upstream end of rectal cannula is 3-8mm.
6. rectoscope as claimed in claim 4,
It is characterized in that:
Lighting circuit unit also comprises wire;
Wire is electrically connected with light source;
The internal face of rectal cannula offers the groove of accommodating wire.
7. rectoscope as claimed in claim 6,
It is characterized in that:
Lighting circuit unit also comprises wire fixation clamp;
Wire fixation clamp is arranged on the handheld terminal of rectal cannula.
8. rectoscope as claimed in claim 7,
It is characterized in that:
Lighting circuit unit also comprises power supply, adjustable resistance and rearrangeable switch, wherein:
Light source is connected with power supply with rearrangeable switch by adjustable resistance.
9. rectoscope as claimed in claim 8,
It is characterized in that:
Lighting circuit unit also comprises rectal cannula line trap;
Rectal cannula line trap is electrically connected with light source by wire;
Power supply has light source output socket;
It is light source power supply that rectal cannula line trap can make power supply by insertion light source output socket.
10. rectoscope as claimed in claim 9,
It is characterized in that:
Lighting circuit unit also comprises power supply indicator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320828734.XU CN203677050U (en) | 2013-12-16 | 2013-12-16 | Simple light source rectoscope internally installed in experimental animal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320828734.XU CN203677050U (en) | 2013-12-16 | 2013-12-16 | Simple light source rectoscope internally installed in experimental animal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203677050U true CN203677050U (en) | 2014-07-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320828734.XU Expired - Fee Related CN203677050U (en) | 2013-12-16 | 2013-12-16 | Simple light source rectoscope internally installed in experimental animal |
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| CN (1) | CN203677050U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105079948A (en) * | 2015-06-30 | 2015-11-25 | 江汉大学 | Anusrectum distention device and system for experimental animals |
-
2013
- 2013-12-16 CN CN201320828734.XU patent/CN203677050U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105079948A (en) * | 2015-06-30 | 2015-11-25 | 江汉大学 | Anusrectum distention device and system for experimental animals |
| CN105079948B (en) * | 2015-06-30 | 2018-09-04 | 江汉大学 | A kind of anal orifice and rectal intestine extension fixture and system for experimental animal |
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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: 20140702 Termination date: 20201216 |