Supports – Stand – Adjustable vertically
Patent
1993-10-12
1995-08-29
Chotkowski, Karen J.
Supports
Stand
Adjustable vertically
248371, 248185, 108 10, F16M 1300
Patent
active
054453534
DESCRIPTION:
BRIEF SUMMARY
FIELD OF THE INVENTION
The present invention relates to a support device for animal clamp, and more particularly to a device for supporting an animal clamp fixing a small laboratory animal in a specific position with respect to examination equipment.
PRIOR ART
In laboratory experiments using rabbits, guinea pigs and other small animals, animal clamps are usually used to restrain the motions to prevent the animals from struggling or escaping during the experiment. An example is shown in FIG. 3.
This animal clamp 100 is of box type having the front end portion 101 reduced and the rear end portion 102 opened. In the front end portion 101, there is an opening 103 at its upper surface for projecting the head 201 of an animal 200. Behind the opening 103, a fixing plate 104 for pressing and fixing the neck of the animal 200 from the back is slidably attached. In use, the animal 200 is put in from the rear end portion (opened portion) 102 of the animal clamp 100 with the head 201 first, and after projecting the head 201 out of the opening 103, the fixing plate 104 is moved to the front end portion 101 side to press the neck, and finally fixing screws 105, 105 are tightened to fasten the fixing plate 104 completely.
In experiment, for example, a drug is administered to the animal 200 fixed in the animal clamp 100, and its reaction is observed by testing apparatus. If the testing apparatus is small in size to be held in the hand of the operator, the apparatus may be easily fitted to the target position of the animal. If the case of a large apparatus, however, it is not so easy as in the small apparatus, and the animal clamp must be set at a specified position in relation to the testing apparatus. However, since the setting position of the animal clamp is usually higher than the floor on which the testing apparatus is installed, the animal clamp must be lifted to a specified method and supported by some means.
In such a case, hitherto, a platform was prepared by using box or board, and the animal clamp was put thereon.
In such prior art, however, it not only takes time to prepare the platform, but also it is necessary to adjust the height every time by remaking the platform when the size of animal or animal clamp or the type of testing apparatus is changed, and the preparation for observation is complicated.
Besides, when the animal is relatively heavy, the height adjustment is very difficult, and it is hard to correct the position of the animal with respect to the testing apparatus, and accurate observation may not be done.
Furthermore, for example, when observing the eyes of the animal, usually, the head of the animal is inclined and the animal clamp is tilted to fit the eyes to the specified position of the testing apparatus, but in the prior art it is difficult to incline the animal clamp correctly to a proper angle for observation.
The invention is to solve all these problems of the prior art by presenting a support device for an animal clamp capable of supporting the animal clamp at a specified position with respect to the testing apparatus easily and securely, and adjusting the position easily, regardless of the weight of the animal.
SUMMARY OF THE INVENTION
To achieve the above object, the invention presents a support device for animal clamp for supposing the animal clamp fixing a small laboratory animal at a specified position with respect to a testing apparatus, comprising a base board fitted to the testing apparatus either directly or indirectly, an elevating board disposed above the base board, elevating means for lifting or lowering the elevating board, being installed between the base board and elevating board, a clamp mounting board disposed on the elevating board for mounting the animal clamp on, with the front edge pivoted to the elevating board, tilting means for tilting the clamp mounting board about the front edge, being installed between the elevating board and the clamp mounting board, and clamp slip preventive means to prevent the animal clamp from slipping off the clamp mounting board.
REFERENCES:
patent: 1381837 (1921-06-01), Hopaidaszka
patent: 1550944 (1925-08-01), Beidler et al.
patent: 3782713 (1974-01-01), Yount
patent: 3861328 (1975-01-01), Lawless
patent: 4885918 (1989-12-01), Vaccaro
patent: 4934647 (1990-06-01), Edwards
Chotkowski Karen J.
Senju Seiyaku Kabushiki Kaisha
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