JP3696523B2 - Animal fixator - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to an animal fixator, and more particularly to an animal fixator that is suitable for blood collection from a tail vein and enables highly accurate animal experiments.
[0002]
[Prior art]
As means for confirming the efficacy and influence of drugs such as cosmetics and pharmaceuticals, animal experiments in which these drugs are applied to animals or taken and the state of the animals is observed over time have been conventionally known. In this animal experiment, the above-mentioned efficacy and the like are confirmed using various methods such as visual observation and blood test. When collecting blood for a blood test, it is necessary to temporarily fix the animal.
[0003]
As an animal fixing device used for animal fixation, there is a stand-type fixing device having a metal plate having thread stoppers at four corners and a leg portion that has a weight and supports the metal plate so that the metal plate stands diagonally. Conventionally known. This animal fixing device fixes an animal by tying the limbs of the animal with a thread and pulling the thread so that the whole body of the animal stretches and fixing the thread with a thread stopper.
[0004]
By the way, the blood test is an effective test for confirming the effect of taking in the drug test. At the same time, it is known that the condition of the animal, particularly the presence or absence of stress, greatly affects the test result in the animal test. Therefore, it is important for blood experiments to provide an environment that is not much different for animals, and not to apply stress to animals including during blood collection in order to conduct highly accurate animal experiments.
[0005]
However, conventional animal fixators are very reluctant to fix animals, and sometimes bite violently injuries to the experimenter. In such a case of violent rejection, the animal is overstressed, and blood tests using such animals have large individual differences and lack reliability.
[0006]
In addition, in conventional animal fixators, anesthesia of the animal can avoid the scene where the animal is severely exposed as described above. However, the use of anesthesia may affect the efficacy of the drug.
[0007]
[Problems to be solved by the invention]
This invention is made | formed in view of the said matter, and makes it a subject to provide the fixing device for animals which can fix an animal more easily and reduces the burden on the animal accompanying fixation more.
[0008]
[Means for Solving the Problems]
The present invention provides, as means for solving the above-mentioned problems, an animal fixing device for fixing an animal, a fixing base on which the animal to be fixed is placed, and a fixing member for fixing the body of the animal to be fixed to the fixing base. And first and second engaging members that are detachably engaged with each other and engage the fixing member with the fixing base by the engagement, and the fixing member is a member of the first and second engaging members. There is provided an animal fixing device for fixing an animal body to a fixing base by engagement.
[0009]
According to the above configuration, since the animal body is fixed to the fixing base by the fixing member by engaging the first and second engaging members, the conventional fixing device for fixing each of the limbs of the animal. It is possible to fix the animal more easily than the above.
[0010]
Further, according to the above configuration, since only the animal's torso is fixed to the fixed base, the fixed animal can move the limbs, the tail, the head, and other parts, thereby further reducing the stress on the animal due to fixation. It is possible to reduce the burden on animals due to fixation.
[0011]
Further, in the present invention, when the fixing base is provided below the fixed animal and has a cleaning passage for washing away the animal excrement, the animal is prevented from being contaminated by the excrement and the animal is fixed. Since it is possible to remove animal excrement and keep the animal fixator clean, it is even more preferable in reducing the burden on the animal due to fixation.
[0012]
Further, in the present invention, the cleaning passage is a tunnel-shaped passage that passes through the fixed base, and the fixed base is configured to have an opening that opens to a position where a fixed animal excretor hits and reaches the cleaning passage. It is preferable in order to more reliably prevent animal contamination due to excrement and cleaning work, and to keep the animal in a cleaner state.
[0013]
In the present invention, if the fixing member is formed of a stretchable material, it is possible to cope with the physique difference of the animal, and for fixing the animal by adjusting the tension of the fixing member. Since it is possible to adjust the force, it is more preferable in improving versatility and reducing the burden on the animal due to fixation. It is also preferable for more easily fixing the animal.
[0014]
Further, in the present invention, when the first engaging member is provided on the fixing member and the second engaging member is provided on the fixing base, the attachment members can be easily attached and detached, and the animal It is even more preferable for easy fixing.
[0015]
Moreover, in this invention, a more preferable structure is provided as a structure for fixing the animal wearing the animal jacket. That is, the animal to be fixed is covered with a jacket body worn on the animal without covering the part to be protected, and the part to be protected with a space that is breathable and does not contact the part to be protected. An animal wearing an animal jacket having a protective body fixed to the jacket body, and the fixing member of the animal fixing device has a locking member that is detachably locked to the protective body, When conducting a drug test relating to transdermal absorption, an inspection of an animal under treatment, etc., it is more preferable for easily fixing the animal while protecting the application site and wounds and reducing the burden on the animal due to fixation.
Hereinafter, the configuration of the animal fixator of the present invention will be described in more detail.
[0016]
The fixed table is a table on which an animal to be fixed is placed. If it is such, the structure is not particularly limited, and the structure of the fixed table is appropriately set according to the type and size of the animal to be fixed. It is preferable to decide on. As the size of the fixing base, an appropriate height is preferable because the experimenter can easily operate.
[0017]
As for the width of the fixed base, if the width of the animal is appropriate for the size of the animal, the limbs of the animal placed on the fixed base will hang down from both sides of the fixed base. This can reduce the burden on the user.
[0018]
The shape of the fixed base is preferably a saddle shape having a convex cross section, so that when the animal is placed on the fixed base, it is preferable to hang the limbs of the animal on both sides of the fixed base. The animal to be fixed can be placed on the fixed base in the same state even if the size of the tube changes to some extent, and it is preferable from the viewpoint of versatility, and since there is no corner in the cross-sectional shape, It is more preferable for reducing the burden on the animal due to fixation with less pressure.
[0019]
The fixing base is preferably made of a waterproof (non-water-permeable) material. Examples of the material for forming such a fixing base include metals such as stainless steel and aluminum, and resins such as plastics and rubber. It can be illustrated.
[0020]
The fixing member is for fixing an animal body to be fixed to a fixing base. The fixing member may be one that covers the animal's body from above and fixes the animal's body to the fixing table, or the animal to be fixed is a protective device like an animal wearing an animal jacket described later. When a medical instrument, a therapeutic instrument, a test instrument, or the like is mounted, the animal body may be fixed to the fixed base by fixing them on the fixed base.
[0021]
Further, the fixing member may be of a configuration sufficient to fix the animal torso, and may be a single member or a plurality of members. In the case of fixing the animal torso with a single fixing member, a member that is large enough to fix the animal torso is used. As such a fixing member, for example, a band-like or net-like member can be exemplified. In particular, the fixing member is preferably formed of a stretchable material such as rubber.
[0022]
The above-mentioned fixing member fixes the animal torso to the fixing base by the first and second engaging members. That is, the first and second engaging members are members that are detachable from each other, and are engaged with each other so as to fix the fixing member to the fixing base, and the fixing member fixes the animal torso. . The first and second engaging members may be members that are connected to each other as described above. For example, hooks and eyes, bolts and nuts, buttons and button holes, hook-and-loop fasteners, fasteners, and the like can be attached and detached. A free member can be mentioned.
[0023]
The first and second engaging members may be provided at any position where the fixed state can be formed. For example, both the first and second engaging members are provided on the fixing member. Alternatively, the first engaging member may be provided on the fixing member, and the second engaging member may be provided on the fixing base. A plurality of first and second engaging members may be provided, and the number of the fixing members is preferably determined as appropriate depending on the shape and quantity of the fixing member, the shape and size of the animal to be fixed, and the like.
[0024]
The cleaning passage is provided below the animal to be fixed, and is a passage for washing away excrement by the animal at the time of fixation. Therefore, the cleaning passage may be provided so that the excrement by the animal at the time of fixation is discharged and the excretion discharged in this passage can be washed away. As such a cleaning path, for example, a path whose upper side is opened like a groove that vertically cuts the surface of the fixed base can be exemplified.
[0025]
In addition, the cleaning passage may be a tunnel-shaped passage that penetrates the fixed base. In this case, an opening that opens to a position where the fixed animal excretory unit hits and reaches the cleaning passage is provided in the fixed base. . When such a cleaning passage and opening are formed, the fixed animal and the cleaning passage are blocked by the fixed base except for the opening, and the excrement can be easily washed away without wetting the animal. It is preferable.
[0026]
The opening is for discharging excrement to the cleaning passage when a fixed animal excretes, and the structure is not particularly limited as long as it is such. The opening may be an opening having a sliding lid, and the opening area and the opening position may be freely adjusted within the sliding range of the lid so that it can be adapted to animals of different physiques, types, and genders. Such a configuration is preferable for further enhancing versatility.
[0027]
By the way, in an animal experiment using an external preparation for skin among drugs, the drug may be applied to the skin of the animal and the efficacy of the drug may be observed over time. It is effective to do. When conducting such animal experiments, it is more preferable for the animal to wear an animal jacket that protects the application site of the drug in order to accurately grasp the efficacy and influence of the drug.
[0028]
Here, the animal jacket will be described. Various animal jackets are known. In the case of conducting an animal experiment using the above-mentioned skin external preparation, the animal jacket has a jacket body worn by the animal and a protective body fixed to the jacket body. An animal jacket is preferable from the viewpoints of easy attachment to an animal and protection of a site to be protected.
[0029]
The jacket body is preferably worn on an animal without covering the part to be protected of the animal (for example, the skin on the back of the animal). As such a jacket body, a hole for an limb through which an animal limb is inserted, respectively. A jacket body fixing portion for fixing the jacket body to the animal in a state where the limb is inserted into the hole for the limb and the portion to be protected is opened, and protection for detachably fixing the protection body to the jacket body The jacket main body which has a body fixing | fixed part can be illustrated.
[0030]
Various fixing members known in the art can be used for each of the fixing portions described above, and the same members as the engaging members described above can be used as such members. More preferably, the jacket main body has a jacket opening that opens to a position where the animal excretory device hits.
[0031]
The protective body preferably has air permeability and is fixed to the jacket body so as to cover the portion to be protected with an interval that does not contact the portion to be protected. As such a protective body, for example, a porous body, a mesh body, a lattice body or the like can be used, and the shape thereof depends on the position, size and shape of the part to be protected, the size of the animal, etc. Various shapes can be employed. Examples of the shape of the protection body edge include a non-circular shape such as a circle and an ellipse, and a shape such as a polygon such as a rectangle. The cross-sectional shape of the protection body includes, for example, a polygon such as a rectangle and a saddle shape. And a horseshoe shape.
[0032]
When the animal wearing the animal jacket as described above is fixed to the animal fixing device of the present invention, it is detachably locked to the protector as means for connecting the fixing member and the animal jacket. A locking member such as a hook is preferably provided on the fixing member in order to easily fix the animal. Further, a plurality of such locking members may be provided, and it is preferable to provide them at appropriate positions according to the type of animal to be fixed, the form of the protective body, and the like.
[0033]
DETAILED DESCRIPTION OF THE INVENTION
Embodiments of the present invention will be described below.
The animal fixing device in the present embodiment has a fixing base shown in FIGS. 1 and 2 and a fixing member shown in FIG. The fixed base is a saddle type having a base 1, two support members 2 and 2 fixed on the base 1, and a curved plate-like fixed floor 3 that is fixed by bonding over the respective support members 2. It is a fixed base. On the lower surface of the pedestal 1, a non-slip 10 made of a plate-like rubber member is provided.
[0034]
Two eyes 4 are provided on the side of the support member 2 (four in total). The support members 2 and 2 are arranged with a predetermined interval, and the gap between the support members 2 and 2 forms a cleaning passage 5. A notch-shaped opening 6 is formed at the rear of the fixed floor 3. In addition, the base 1, the supporting members 2, 2, and the fixed floor 3 are resin-made members, and have waterproofness.
[0035]
The fixing member is a rubber band 7 and has hooks 8 and 9 provided at both ends of the rubber band 7, respectively. The hooks 8 and 9 are hooks that can be locked to the eye 4.
[0036]
Next, a procedure for fixing the rat to the above-described animal fixing device will be described using the animal to be fixed as a rat. In the present invention, the rat may wear an animal jacket. First, an example of an animal jacket that a rat may wear will be described.
[0037]
As shown in FIG. 4, the animal jacket has a jacket body 11 that opens the rat's back as a site to be protected, and a protection formed by a stainless steel wire as shown in FIG. And a body 12.
[0038]
The jacket body 11 includes a limb hole, mounting fixing bands 13 and 14 extending laterally from the jacket body 11, a protective body fixing band 15 extending from the side of the limb hole, and a protective body fixing. And a protector fixing hook 16 provided on the band 15. The mounting fixing bands 13 and 14 are respectively provided with surface fasteners (not shown), and the jacket body 11 has other surface fasteners 17 and 18 that are detachable from the surface fastener and extend in the direction around the trunk of the rat. It is provided as follows.
[0039]
Although not shown in the figure, the jacket body 11 is provided with a notch between the limb holes for the hind limbs, and a jacket opening formed by stitching the notch openings of the notches. The animal excretory device is not covered by the jacket body when worn.
[0040]
When the jacket body 11 is worn by the rat, the rat limb is inserted into each of the limb holes of the jacket body 11, the rat's tail is inserted through the jacket opening, and fixed for attachment near the rat's neck. The band 13 is fixed with a hook-and-loop fastener 17, and the mounting fixing band 14 is fixed with a hook-and-loop fastener 18 near the waist of the rat. In this manner, the jacket body 11 is worn by the rat. Since the jacket main body 11 is worn by the rat by engaging the hook-and-loop fastener described above, the jacket main body 11 can be worn by rats and other animals having different physiques as long as the hook-and-loop fastener can be hooked.
[0041]
Next, the protector 12 is placed on the back of the rat, and the protector fixing hook 16 is hung on an appropriate lattice of the protector 12. In this way, the protector 12 is fixed to the jacket body 11.
[0042]
In order to fix the rat to the animal fixator, the rat is first placed on the fixed bed 3. At this time, the rat is placed on the fixed floor 3 so that the excretory device of the rat comes to the position of the opening 6. The rat is placed on the fixed bed 3 while being prone on the fixed bed 3. A hook 8 of a rubber band 7 is hung on the eye 4 provided on one support member 2.
[0043]
When the rat is placed on the fixed floor 3, the rat's trunk is fixed by hooking the hook 9 of the rubber band 7. In the case of fixing the rat wearing the animal jacket described above, as shown in FIGS. 6 to 8, the same number of eyes 4, that is, four rubber bands 7 are used, and the hook 9 is attached to an appropriate lattice of the protector 12. The rat is fixed by hanging. In this case, the hook 8 is a first engaging member in the present invention, the eye 4 is a second engaging member in the present invention, and the hook 9 is a locking member in the present invention.
[0044]
When fixing a rat not wearing a jacket for animals, as shown in FIG. 9, two rubber bands are used, and the rat is attached by hooking the eye 9 provided on the other support member 2 with a hook 9. Fix it. In this case, both the hook 8 and the hook 9 are the first engaging members in the present invention, and the eye 4 is the second engaging member in the present invention.
[0045]
As described above, the animal fixing device in the present embodiment can fix the rat torso to the fixing base simply by hooking the hook in place. Further, since the rat can be fixed by locking the hook, the rat can be fixed easily and quickly, and the injury of the experimenter due to the rejection of the rat can be reduced.
[0046]
Also, as shown in FIGS. 6 to 9, the rat fixed to the animal fixator in this embodiment can move its limbs, head and tail because the torso is fixed to the fixed base. is there. Therefore, the animal fixator according to the present embodiment can fix the rat in a more natural state than the conventional fixator that fixes the extremities of the animal, and can further reduce the stress of the rat generated by the fixation. Can do. The restraining force on the rat can also be adjusted by the position at which the hook 9 is hung, and the fixing condition of the rat can be adjusted more precisely.
[0047]
Moreover, since the excretory device of the rat is opened by the opening 6, even when the rat at the time of fixation excretes the excrement, the excrement is discharged from the opening 6 to the cleaning passage 5, and the fixed rat is removed. Does not pollute. Therefore, it is possible to prevent the rat from generating stress due to contamination with excrement. Further, the excrement may be wiped off, taken out from the cleaning passage 5, or may be drained from the cleaning passage 5 by washing with water. It is possible to keep the vessel cleaner.
[0048]
Even in the case of washing with water, since the fixed rat and the cleaning passage 5 are separated by the fixed floor 3, the water used for washing does not wet the rat, and is generated along with the removal of excrement. Rat stress can be further reduced.
[0049]
In addition, since the animal fixator in the present embodiment is provided with the cleaning passage 5 and the opening 6, the rat can be fixed in a state where the tail is free, and blood collection from the tail vein is easy.
[0050]
In addition, when the rat is wearing an animal jacket, it is possible to collect blood while protecting the back, so that it is possible to conduct a more reliable animal experiment in an animal experiment using an external preparation, It is more effective even when treating the rat back.
[0051]
Moreover, in the animal fixing device in the present embodiment, since the rubber band 7 is used as the fixing member, the fixing member can be configured at low cost. Furthermore, by preparing multiple rubber bands of different lengths and thicknesses, it is possible to easily adjust the tension of the rubber band, adjust the restraint force on the animal, and fix it according to the physique difference of the animal Etc. are also easy.
[0052]
Further, in the animal fixator according to the present embodiment, since the base 1 is provided with the anti-slip 10, stability during animal fixation and blood collection is improved, and operations such as animal fixation and blood collection are easier. And can be done accurately.
[0053]
In addition, the animal fixator according to the present embodiment includes the support member 2 and the fixed floor 3, and the support member 2 supports the fixed floor 3 at a predetermined height. The rat can be supported at a height suitable for work on a fixed animal such as blood collection work, and the above work can be performed more easily.
[0054]
In the present embodiment, the fixed floor 3 is supported by the two support members 2. However, the number of the support members 2 is increased to four, and an arbitrary member on the base 1 is used by using fastening members such as bolts and nuts. It is good also as a structure which can fix the supporting member 2 to this position. According to such a configuration, it is possible to appropriately set the size of the fixed base in the range of the size of the pedestal 1 in accordance with the type of animal to be fixed and the physique difference.
[0055]
Further, in the present embodiment, the fixed floor 3 is bonded and fixed to the support member 2. However, for example, by fixing with a fastening member such as a bolt and a nut, slidable fitting of ridges and grooves, etc. The fixed floor 3 may be configured to be detachably fixed to the support member 3. According to such a configuration, it is also possible to appropriately select the fixed floor 3 according to the type of animal to be fixed and the physique difference.
[0056]
Further, the support member 2 and the pedestal 1 may be members that can be adjusted in height, such as a jack structure, and according to such a configuration, it is possible to appropriately cope with the type of animal to be fixed, the physique difference, and the like. It is possible to support the animal at a height suitable for various operations on the fixed animal, and the above operation can be performed more easily.
[0057]
【The invention's effect】
The animal fixing device according to the present invention includes a fixing base on which an animal to be fixed is placed, a fixing member that fixes the torso of the animal to be fixed to the fixing base, and is detachably attached to each other. The first and second engaging members for locking the animal body to the fixing base, and the fixing member is configured to fix the animal torso to the fixing base by engaging the first and second engaging members. Therefore, it is possible to provide an animal fixing device that makes it easier to fix an animal and that reduces the burden on the animal due to the fixing.
[0058]
Further, in the animal fixing device of the present invention, when the fixing base is provided with a cleaning passage provided under the animal to be fixed to wash away animal excrement, contamination of the animal by excrement is prevented. Therefore, it is more effective in reducing the stress of animals due to the contamination.
[0059]
Further, in the animal fixing device of the present invention, the cleaning passage is a tunnel-like passage that passes through the fixing base, and the fixing base has an opening that opens to a position where the fixed excrement of the animal hits and reaches the cleaning passage. If it has a configuration, animal contamination by excrement is more reliably prevented, and fixed animals are less susceptible to the effects of excrement removal, which is more effective in reducing animal stress .
[0060]
Further, in the animal fixing device of the present invention, when the fixing member is made of a stretchable material, the restraint force on the animal can be adjusted, and the physique difference and type of the animal to be fixed can be dealt with. It is even more preferable for easily fixing the animal and reducing the burden on the animal due to fixation.
[0061]
In the animal fixing device according to the present invention, if the first engaging member is provided on the fixing member and the second engaging member is provided on the fixing base, the animal can be easily fixed. It is even more effective.
[0062]
Further, in the animal fixator of the present invention, the animal should be protected with a jacket body worn on the animal without covering the part to be protected, and a space that is breathable and does not contact the part to be protected. An animal wearing an animal jacket having a protective body fixed to the jacket body so as to cover the part, and in the animal fixing device, a locking member that is detachably locked to the protective body is a fixing member. With the structure provided, it is even more effective to easily fix an animal wearing an animal jacket and to reduce the burden associated with fixation for an animal wearing an animal jacket. It is.
[Brief description of the drawings]
FIG. 1 is a perspective view showing an embodiment of an animal fixator of the present invention.
FIG. 2 is a front view of the animal fixator shown in FIG. 1;
FIG. 3 is a view showing an example of a fixing member and a fixing member used in the animal fixing device shown in FIG. 1;
FIG. 4 is a view showing a rat wearing an example of a jacket body.
5 is a view showing an example of a protector that is detachably fixed to the jacket main body shown in FIG. 4. FIG.
6 is a side view showing a state in which a rat wearing an animal jacket is fixed to the animal fixator shown in FIG. 1. FIG.
7 is a view of the state shown in FIG. 6 as viewed obliquely from above.
FIG. 8 is a side view of the state shown in FIG. 6 as seen from the rear of the rat.
FIG. 9 is a view showing a state in which a rat not wearing an animal jacket is fixed by the animal fixator shown in FIG. 1;
[Explanation of symbols]
1 pedestal 2 support member 3 fixed floor 4 eye (second engaging member)
5 Cleaning passage 6 Opening 7 Rubber band (fixing member)
8, 9 Hook 10 Non-slip 11 Jacket body 12 Protective body 13, 14 Mounting fixing band 15 Protective body fixing band 16 Protective body fixing hook 17, 18 Surface fastener

Claims (5)

In an animal fixator for fixing animals,
A fixing table on which animals to be fixed are placed;
A fixing member for fixing an animal torso to be fixed to a fixing base;
First and second engaging members that are detachably engaged with each other, and the engaging member is locked to the fixing base by the engaging,
The fixing member is an animal fixing device that fixes an animal torso to a fixing base by engaging the first and second engaging members ;
The animal has a jacket body that is worn on the animal without covering the area to be protected, and a jacket body that is breathable and covers the area to be protected with an interval that does not contact the area to be protected. An animal wearing an animal jacket having a protective body to be fixed;
The animal fixing device according to claim 1, wherein the fixing member includes a locking member that is detachably locked to the protector .   2. The animal fixing device according to claim 1, wherein the fixing table has a cleaning passage provided below the fixed animal to wash away animal excrement.   The cleaning passage is a tunnel-shaped passage that passes through the fixing base, and the fixing base has an opening that opens to a position where a fixed animal excretory unit hits and reaches the cleaning passage. Item 3. The animal fixator according to Item 2.   The animal fixing device according to claim 1, wherein the fixing member is made of a stretchable material.   The animal fixing device according to claim 1, wherein the first engaging member is provided on the fixing member, and the second engaging member is provided on the fixing table.

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