WO1993015689A1 - Apparatus for supporting animal fixing tool - Google Patents

Abstract

An apparatus for supporting an animal fixing tool (100), to which a small experimental animal is fixed, is supported in a predetermined attitude with respect to an inspection equipment (300). A base board (2) is fixed to the inspection equipment (300). A lifting board (4) is lifted or lowered by jacks (31, 32) interposed between the base board (2) and itself. A fixing tool mounting board (8) is tilted by a jack (61) and a slidable member (62), which are interposed between the lifting board (4) and itself. With this arrangement, a position in height and an angle of inclination of the animal fixing tool (100) mounted on the fixing tool mounting board (8) are determined, and fine adjustments are performed by suitable operations of the respective jacks (31, 32, 61). The animal fixing tool (100) is prevented from slipping down by a fixing tool slip-down preventive collar piece (7).

Description

 Description Supporting device for animal fixtures

 Technical field

 The present invention relates to a support device for an animal fixing device, and more particularly, to a device for supporting an animal fixing device to which a small experimental animal is fixed in a predetermined posture with respect to an inspection device. Background art

 When conducting animal experiments using small animals such as rabbits and guinea pigs, animal anchors are usually used to restrain the animals from moving or running away during the experiment. An example is shown in FIG. 3. <The animal fixing device 100 is a box-shaped device in which a front end portion 101 is narrowed and a rear end portion 102 is open. An opening 103 through which the head 201 of the moving object 200 projects is provided on the top surface of the tip 101. Behind the opening 103, a fixing plate 104 for pressing and fixing the neck of the animal 200 from behind is slidably mounted. In use, put animal 200 into the animal fixing device 100 from the rear end (open part) 102 with the head 201 first and put the head 201 into the opening 103 Then, the fixing plate 104 is slid toward the tip 101 side to press the neck, and finally the fixing screws 105 and 105 are tightened. To complete.

In the experiment, for example, a drug is administered to the animal 200 fixed with the animal fixing device 100, and the reaction is observed with a test device. If the test equipment is small enough to be used in the hands of the experimenter, The vessel can be easily applied to a given part of the animal. However, if the test equipment is large, it will not be as small as it is, and the animal fixture will need to be set in place with respect to the test equipment. However, since the position where the animal fixture is set is usually higher than the floor on which the inspection equipment is placed, the animal fixture must be lifted to a predetermined height and supported by some means. .

 In such a case, it has been customary to make a table using, for example, a box or a board, and place an animal fixture on the table.

 However, in the above-mentioned conventional technology, not only does it take time to make a table, but also it is necessary to re-create the table and adjust the height each time the size of the animal or the animal fixture or the type of test equipment changes. There was a problem that the preparation for the observation became complicated.

 In addition, when the weight of the animal is relatively heavy, height adjustment is very troublesome, and it is difficult to correctly determine the posture of the animal with respect to the inspection device, and therefore, when accurate observation cannot be performed. There was a problem.

 Furthermore, for example, when observing an animal's eyeball, the animal fixture is usually tilted by tilting the animal's head to apply the eyeball to a predetermined position of the test device. There was also a problem that it was difficult to accurately tilt to the optimal angle for observation.

The present invention has been made in order to solve the above-mentioned problems of the prior art, and easily and reliably supports an animal fixing device in a predetermined posture with respect to an inspection device regardless of the weight of the animal. An object of the present invention is to provide a supporting device for an animal fixture, which can perform the adjustment of the posture easily, in addition to the above. Disclosure of the invention

 In order to achieve the above object, a supporting device for an animal fixture according to the present invention is a device for supporting an animal fixture to which a small experimental animal is fixed in a predetermined posture with respect to a test device, wherein the test is carried out. A base directly or indirectly attached to the device, a lifting board disposed above the base, and a lifting means interposed between the base and the lifting board to lift the lifting board A fixing device mounting plate on which the animal fixing device is mounted, the fixing device mounting plate being disposed on the lifting device and having a front edge pivotally attached to the lifting device; and the lifting device and the fixing device mounting plate. A tilting means interposed between them, and a tilting means for tilting the fixture mounting board with its front edge as a fulcrum; and It is provided with.

 The base shall be placed on a table placed adjacent to the test equipment or secured to the test equipment via suitable stays, arms or jaws suitable for the test equipment.

 The lifting board is moved up and down by lifting means interposed between it and the base, and the fixture mounting board is tilted by the tilting means interposed between it and the lifting board. Thus, the posture of the animal fixture placed on the fixture placing board, that is, the height position and the inclination angle are determined. Fine adjustment of the posture is performed by appropriately operating the lifting / lowering means and the tilting means.

 In addition, due to the means for preventing the fixture from falling down, the animal fixture does not slide off the fixture placing board. BRIEF DESCRIPTION OF THE FIGURES

FIG. 1 is an overall view showing one embodiment of a supporting device for animal fixture according to the present invention. FIG. 2 is a side view of the same, FIG. 3 is a cross-sectional view showing an example of an animal fixing device, and FIGS. 4 and 5 each show another example of a sliding member constituting a tilting means. It is an enlarged view. BEST MODE FOR CARRYING OUT THE INVENTION

 The present invention will be described in more detail with reference to the accompanying drawings.

 As shown in FIG. 1 and FIG. 2, the support device 1 for animal fixtures is composed of a base 2, an elevator 4 arranged above the base 2, and a base 4 between the base 2 and the lower board 4. A lifting means 3 for raising and lowering the lifting board 4, and a moving object fixture 100 arranged on the lifting board 4 and having a front part 81 pivotally attached to the lifting board 4. Tilting means 6 interposed between the fixture mounting plate 8 to be mounted, the lifting / lowering plate 4 and the fixture mounting plate 8, and tilting the fixture mounting plate 8 with its front part 8 1 as a fulcrum. And a fixture slip-off preventing means 7 for preventing the animal fixture 100 from slipping off from the fixture mounting board 8.

The base 2 is formed from a metal plate or a synthetic resin plate. A pair of mounting stays 9, 9 are suspended from the front edge of the base 2. The mounting stays 9, 9 are for mounting the apparatus 1 on the inspection equipment 300, and as shown in FIG. 2, are attached to a pair of inspection table mounting portions 301 of the inspection equipment 300. It is provided correspondingly. Here, the examination equipment 300 shown in this figure is a human fundus examination machine used for examination of the fundus of an animal, and the examination table mounting part 301 usually supports a human chin and forehead. This is where the receiving device is attached. If the inspection equipment has a mounting part of a different form from the inspection table mounting part as described above, Instead of the mounting stay 9, a mounting member corresponding to the mounting portion may be provided on the base 2. If the inspection equipment does not have a mounting part for the inspection table, a holding device for holding a part of the inspection equipment may be provided on the base 2, or the inspection equipment, It may be placed directly on a table placed next to the container.

 The lifting / lowering means 3 raises and lowers the fixture mounting board 8 via the lifting board 4 and the lifting board 4, and moves the animal fixture 100 placed on the fixture mounting board 8 to a predetermined position. It is for positioning at the height. In this example, the lifting means 3 is composed of a set of two jacks 31 and 32. These jacks 31 and 32 are both so-called bantagraph type jacks. The pantographs 3 5 and 3 6 are configured to extend and contract by the screw rods 3 3 and 3 4. Both jacks 3 1 and 3 2 are connected to each other by the mutual screw rods 3 3 and 3 4. The screw rods 33, 34 are connected to each other by a connecting rod 37 while being juxtaposed and fixed on the base 2 so as to be located on the coaxial line. By turning the operation handle 38 by hand, the two screw rods 3 3, 3 4 are rotated, whereby the two jacks 3 1, 3 2 are attached. Rise or fall together.

 In this example, the two screw rods 33, 34 are faced by hand, but they may be turned by a motor. Further, the jacks 31 and 32 may be jacks other than those shown in this example. Further, the lifting / lowering means 3 is not limited to a jack, and may be, for example, an air cylinder / a hydraulic cylinder, or other various devices generally used for lifting / lowering.

The lift board 4 is formed of a metal plate or a synthetic resin plate, similarly to the base 2. It was a thing. The lifting board 4 is mounted and fixed on the jacks 31 and 32 described above, and is moved up and down by the jacks 31 and 32 moving up and down.

 The fixture mounting plate 8 is for receiving the animal fixture 100, and is formed of a metal plate or a synthetic resin plate, like the base 2 and the lift plate 4. The front edge 81 of the fixture mounting board 8 is pivotally connected to the front section 41 of the lifting board 4 by one or more hinges 5, with the front section 81 serving as a fulcrum. It can be tilted up and down. '

 The fixing device slip prevention means 7 is for preventing the animal fixing device 100 from slipping off from the fixing device mounting plate 8. In this example, the means 7 is formed of a flange piece that is formed to rise upward from the front part 81 of the fixture mounting board 8. It is not necessary that the fixture slip-off preventing means 7 is limited to such a flange piece. For example, a band that binds the animal fixture 100 to the fixture mounting board 8 may be used.

 The tilting means 6 is for tilting the fixture mounting board 8 and tilting the animal fixture 100 on the fixture mounting board 8 at a predetermined angle. In this example, the tilting means 6 is composed of a jack 61 and a sliding member 62.

The above-mentioned jack 61 is a so-called pantograph-type jack, which is configured so that the screw rod 63 can expand and contract the bantagraph 64. This jack 61 has its screw rod 63 strong so that it is perpendicular to the screw rods 33, 34 of the two jacks 31, 32 constituting the elevating means 3. In addition, it is fixed to the center of the lifting board 4. An operation handle 65 is attached to one end of the screw rod 63. By turning the operation handle 65 by hand, the screw rod 63 is moved in a plane. As a result, the jack 61 rises or falls.

 The sliding member 62 is for ensuring that the top plate 66 of the jack 61 and the back surface of the fixture mounting plate 8 always smoothly rub when the jack 61 moves up and down. . In this example, a roller is used for the sliding member 62, and the roller 62 is attached to a front portion of the top plate 66 of the jack 61. Here, the sliding member 62 is not limited to such a roller, but may be a ball or a member as shown in FIG. 4 or FIG. That is, in the example shown in FIG. 4, the sliding member is, for example, a synthetic resin piece having a small friction coefficient, which is curved in an arch shape. In the example shown in FIG. 5, the sliding member is a swingable receiving piece 622 having a smooth surface. In the case of the one shown in FIG. 5, the above-described synthetic resin piece may be attached to the surface of the receiving piece 62.

 In this example, the screw rod 63 of the jack 61 is manually turned, but it may be turned by a motor. Further, the jack 61 may be a jack having a form other than that shown in this example. Further, the tilting means 6 is not limited to a jack, and may be, for example, an air cylinder / a hydraulic cylinder, or another device.

 Next, a method of using the above-described animal fixing device support device 1 will be described.

 First, the mounting stays 9 and 9 are inserted into the inspection table mounting portion 301 of the inspection device (fundus inspection device) 300, and the supporting device 1 is set to the inspection device 300.

Next, the animal fixture 100 on which the animal is fixed is placed on the fixture placing board 8. Subsequently, the operation handle 38 of the lifting / lowering means 3 and the operation handle 65 of the tilting means 6 are operated, and the animal fixture 100 is moved to the inspection apparatus 300 at a predetermined height position and a predetermined position. (4) Raise the lowering plate 4 and the fixture mounting plate 8 so as to take the inclination angle, and tilt the fixture mounting plate 8. At this time, the fixture mounting plate 8 is smoothly moved up and down by the elevating means 3 and the tilting means 6, so that the height position of the moving object fixture 100 and the height position of the animal fixture 100 regardless of the weight of the animal. The delicate setting of the tilt angle can be performed extremely smoothly. As a result, the inspection accuracy is high.

 After this, the animals are observed with the testing equipment 300.

 In addition, in order to reduce the weight of the entire apparatus 1, all holes of the base 2, the lifting / lowering board 4, and the fixture mounting board 8 or any board may be provided with a large number of holes. Industrial applicability

 Since the animal fixing device support device of the present invention has the above-described configuration, the fixing device mounting plate smoothly moves up and down and tilts. Therefore, regardless of the weight of the animal, the animal fixture can be easily and reliably supported in a predetermined posture with respect to the inspection device, and the fine adjustment of the posture can be easily performed. It is suitable for obtaining important data.

Claims

The scope of the claims 1. A device for supporting an animal fixture to which a small experimental animal is fixed in a predetermined posture with respect to an inspection device,  A base directly or indirectly attached to the inspection equipment, a lifting plate arranged above the base,  Carrying means interposed between the base and the lift board for raising and lowering the lift board;  A front-end portion is pivotally attached to the lift board while being arranged on the lift board.A fixture mounting board on which the animal fixture is mounted,  Tilting means interposed between the elevating board and the fixture mounting board, and tilting the fixture mounting board about a front portion thereof as a fulcrum;  Fixing device slippage prevention means for preventing the animal fixing device from slipping off from the fixing device mounting board,  A support device for an animal fixture, comprising:  2. The animal fixing device support device according to claim 1, wherein the base is provided with a stay for attachment to an inspection device on a lower surface thereof.  3. The supporting device for an animal fixture according to claim 1, wherein the base is provided with a holding means for holding an appropriate place of the inspection device. 4. The supporting device for an animal fixture according to claim 1, wherein the elevating means is a jack.  5. The animal fixation device support device according to claim 4, wherein the jack is of a manual type. 6. The supporting device for an animal fixing device according to claim 4, wherein the jack is driven by a motor. 7. The animal fixing device support device according to claim 1, wherein the elevating means is a pair of jacks that are linked. 8. The animal fixing device support device according to claim 1, wherein the elevating means is a cylinder. 9. The animal fixing device support device according to claim 1, wherein the lifting means is a hydraulic cylinder. 10. The animal fixing device according to claim 1, wherein the tilting means is constituted by a jack and a sliding member interposed between the jack and the fixing device placing board. Support device. 11. The support device for animal immobilization according to claim 10, wherein the jack is of a manual type.  12. The supporting device for animal fixture according to claim 10, wherein the jack is driven by a motor.  13. The animal fixture support according to claim 1, wherein the tilting means is constituted by an air cylinder and a sliding member interposed between the air cylinder and the fixture mounting board. apparatus.  14. The animal fixture according to claim 1, wherein the tilting means comprises a hydraulic cylinder, and a sliding member interposed between the hydraulic cylinder and the fixture mounting board. Support device. 15. The supporting device for animal fixture according to claim 10, wherein the sliding member is a roller.  16. The supporting device for animal fixture according to claim 10, wherein the sliding member is a ball. 17. The supporting device for an animal fixture according to claim 10, wherein the sliding member is an arch-shaped receiving piece having a small coefficient of friction. 18. The supporting device for animal fixture according to claim 10, wherein the sliding member is a swingable receiving piece.  19. The supporting device for an animal fixing device according to claim 1, wherein the fixing device slip-off preventing means is a flange piece formed by being raised upward from a front part of the fixing device placing board.  20. The animal fixing tool support device according to claim 1, wherein the fixing tool slip-off preventing means is a tightening band that tightens the fixing tool to the fixing tool mounting board. 21. The animal fixing device according to claim 1, wherein all or any of the base, the lifting plate, and the fixing device mounting plate are provided with a large number of holes. -Support device.