JPS6091978A - Apparatus for automatic feeding of test paper - Google Patents

Abstract

PURPOSE:To feed sheets of test paper under germfree conditions, by using an opening and closing lever supporting the one end of the undersurface of the lowest test paper by opening and closing operation and a cartridge, having a dropping outlet on the bottom surface, and kept in the horizontal state with a protrusion supporting the other end of the undersurface part thereof. CONSTITUTION:A cartridge 5 having many sheets of test paper 4 contained therein is inserted into a casing body and held, and the bottom surface of the cartridge 5 is opened as a dropping outlet 6. One end (4a) of the undersurface part of the lowest test paper 4 is supported by the bottom part (7a) of an opening and closing lever 7, and the other end (4b) is supported by a protrusion 9 in the cartridge 5 to keep the test paper 4 in the horizontal state.

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention provides a method for pasting test strips, one by one, on a plate, which is used to determine the sensitivity or resistance of bacteria to chemotherapeutic agents, for example in clinical diagnostic tests. This invention relates to an automatic feeding device that makes it possible.

[Technical background of the invention and its problems] Test strips conventionally used for clinical susceptibility testing,
For example, a square filter paper contains antibiotics such as penicillins, cephalosborins, or cephamycins in a predetermined concentration aseptically and is dried to three concentrations: high, medium, and low, or three drugs at specific concentrations. To paste each disc of the disc into a transparent plastic binder, which is made up of extra editions of test paper with different colors such as night, red, green, etc., on the culture medium on the 7th layer, pick out each disc with a Tongtan pinsent. The bacteria are placed in a row on a chalet and cultured while increasing their adhesion by pressing lightly on them.The presence or absence of an inhibition circle formed around the disks is determined to test the susceptibility and resistance of the bacteria to the drug. There is.

However, in such conventional testing methods, the test strips are pasted onto the culture medium on the plate by picking them out one by one with tweezers.
Pasting requires time, does not allow quick and accurate judgment, and has various problems such as the need to sterilize the tip of the bottle set with flame-1 or alcohol to pick out the disc aseptically. there were.

OBJECT OF THE INVENTION This invention was made under the circumstances mentioned in (2) above, and it is possible to quickly align and drop test strips one by one in a non-contact manner with a single touch operation. The purpose of this invention is to provide an automatic feeding device that can

[Summary of the Invention] In order to achieve the above-mentioned object, the present invention uses a device for dropping test paper onto a Zoya V, in which disks of different densities are attached to a transparent plastic binder, and a large number of test papers are dropped onto the surface of the Zoya V. The bottom test paper is stacked and stored at intervals according to the thickness, and is maintained in a horizontal state by an opening/closing lever that supports the lower surface of one end of the lowermost test paper so as to be able to open and close freely, and a protrusion that supports the lower surface of the other end. A two-piece test strip having a drop on an end face, a casing body into which the cartridge is detachably inserted and held, and one end F of the lowermost test strip provided in the casing body so as to be located near the drop of the two-piece test strip. and a feeding mechanism in which the two lower tongue pieces supporting the surface part in the open state of the opening/closing lever can be alternately protruded and retracted, and the feeding mechanism is operable to cause the two lower tongue pieces to protrude and retract in conjunction with each other. The i? fJ Upper tongue The upper tongue moves to support the lower surface of one end of the second test paper stacked on the lowest test paper, and at the same time, the retracting action of the upper tongue supports the lower surface of one end of the lowermost test paper. The feature is that the section is opened and each sheet is allowed to fall under its own weight one by one.14
It is something.

"Embodiment of the Invention" Hereinafter, the present invention will be described in detail based on an illustrated embodiment.

As shown in Figures 1 to 4, 1 in the figure indicates sterilization, sterilization,
The main body of the casing is made of metal, with the exception of plastic that can be disinfected or immersed in acid/alkaline solutions. The casing body 1 is provided with a large number of test papers 4 each having a thickness a and a transparent plastic binder 3 containing three types of disks 2 containing and drying drugs of different concentrations in square filter paper. Cartridges 5 stored at equal loading intervals are inserted and held, and the lower end surface of the cartridges 5 is opened as a drop opening 6, and one end of the test strip 4 in the most I section is on the lower surface portion 4a side. is supported by the lower end 7a of the rotatable opening/closing lever 7. The lower end 7a of the opening/closing lever 7 is bent into an L shape so as to face the inside of the cartridge nozzle 5 through the through hole 8, and the bent end is formed in an arc shape. One end of the hole 8 is cut into a tapered surface 8a, and the opening/closing lever 70 is rotated (as shown by the solid line arrow in FIGS. 1 and 3) to open the cartridge 5.
It is possible to release the supporting state of the test strip at the bottom by applying a film inside or outside of the test strip. The lower surface portion 4b of the other end of the lowermost test strip 4 is supported by a protrusion 9 protruding from the lower end side of the cartridge 5, and together with the lower end 7a of the opening/closing lever 7, the lowermost test strip 4 is maintained in a horizontal state. Furthermore, numeral 10 in the figure is a stacking body placed on the test paper at the top of the cartridge 5, and its center of gravity is shifted toward the support portion of the opening/closing lever 7, so that the center of gravity can be corrected. Due to the biased position, the lower surface portion 4b of the other end of each loaded test paper is shifted toward the protrusion 9, causing a sinking effect. This guide groove is cut along the vertical direction and is used as a guide when loading the test strips into the horn tray 5 while picking them up with a pin or the like.

In the figure, reference numeral 12 denotes a feeding mechanism built into the casing body 1, and as shown in detail in FIG. An operating piece 15 in the shape of a right-angled isosceles diagonal that rotates so as to alternately project and retract the side tongue pieces 13 and 14, and an operating rod 16 that rotates the operating piece 15 in the vertical direction and in the forward and reverse directions. ,
The operating rod 16 is inserted into and held in the casing body 1 and is biased on three sides so that the upper tongue piece 13 faces the inside of the cartridge 5 when the operation rod 16 is rotated. By opening the opening/closing lever 7, the lower surface 4a of the lowest test strip 4 in the cartridge 5 can be supported by the tip 13a of the upper tongue piece 13.

Ushi, both upper and lower tongue pieces 13° 14 that constitute the above-mentioned feeding mechanism.
The vertical distance is smaller than the disk thickness a, and when the lower surface part 4a of one end of the lowermost test paper 4 is released by the retracting action of the - side tongue piece 13 and supported by the lower side tongue piece 14, The second test paper stacked on top of the lowest test paper 4 is easily inserted into the lower surface of one end of the second test paper by protruding the first side tongue piece 13. Furthermore, 18 in the figure is the casing main body 1.
A pedestal is provided at the lower end of the holder, and the holder is placed on the 7th layer A and positioned by a distance of f.

That is, to explain in detail the present invention having the above-described configuration, as shown in FIGS. 6 to 10, the casing body 17rc is inserted into the lowermost test strip 4 stored in the twisted cartridge 5. The lower surface portions 4a and 4b of both ends are supported in a horizontal state by the tip of the upper tongue piece 13 of the feeding mechanism 12], 3a and the protrusion 9 when the release lever 7 is opened, and in this state, the operating rod 1G is held by the spring 17. push against the old forces (see Figure 6). At this time, both upper and lower tongue pieces 13.1.
As shown in FIG. 7, both of the tip anchors 3a and 14a protrude into the IJ 5 in a neutral state to prevent the test strip 4 from falling, and as shown in FIG. As shown in FIG. 2, when the tip 13a of the upper tongue 13 is completely retracted, the bottom surface of one end of the lowermost test paper 4 is released from the upper tongue 13 by the protrusion of the tip 14a of the lower tongue 14. 4a
support. Next, when the pushing operation of the operating rod 16 is released, the operating rod 16 is pushed down by the force of the spring 17, and the lower tongue piece 14 is accordingly moved to f'[
The piece 5 is retracted by the rotation of the piece 5, and the lowermost test paper 4 is supported in the neutral state shown in Figure 9 (C). The tip 13a of the + side tongue piece 13 is inserted into the lower surface part 4a of one end of the second test paper 4 that has been placed, and as shown in FIG. The supporting state of the test paper in section l: is released, and it is allowed to fall onto the surface by its own weight, and at the same time, the lower surface part 4a of one end of the second test paper 4 is supported by the tongue piece 13 on the second side of the second test paper 4, and these By repeating the operation, the test strips are dropped one by one in 4IJ order and automatically fed onto the chalet.In addition, a heavy body is placed on top of the test strips loaded in the cartridge-5. 10 is
The weight W allows the test paper to fall smoothly, and by shifting the center of gravity to one end of the test paper,
A force is applied to shift the test paper toward the protrusion 9, and the lower surface of the other end of the test paper is reliably supported by the protrusion 9. In the embodiment of the present invention, a plurality of casing bodies are assembled in parallel vertically and horizontally in an appropriate arrangement, and a cartridge is inserted and held in each casing, and each of the operating rods of each feeding mechanism is integrally assembled. If the casing bodies are configured to be interlocked with each other, it is possible to drop and supply a plurality of test strips onto the chalet in a predetermined arrangement in one unwinding operation, and the combination of these casing bodies is arbitrary.

[Effects of the Invention] As explained below, according to the present invention, test strips loaded and stored in a cartridge detachably inserted into a casing are sequentially dropped one by one by a one-touch operation using a feeding mechanism. Since the test strips are automatically fed onto the tray, the test strips can be accurately and quickly fed to the specified position on the tray in a non-contact manner. It can be carried out reliably and has excellent practical effects.

[Brief explanation of the drawing]

FIG. 1 is an explanatory diagram showing an embodiment of an automatic test strip feeding device according to the present invention, FIG. 2 is a cutaway perspective view of a main part of a cartridge, and FIG. 3 is a cross-sectional view taken along the line III-Ill in FIG. 2. , FIG. 4 is a longitudinal sectional view of the entire device, FIG. 5 is an explanatory view of the main part showing the feeding mechanism, and FIGS. 6 to 10 are explanatory views showing the operating state of the feeding mechanism. 1 Casing body, 2 Disc, 3 Plastic binder, 4 Test paper, 5 Cartridge, 6 Drop opening, 7 Opening/closing lever, 8 Through hole, 9 Protrusion, 1
0... Heavy duty body, 11... Guide groove, 12 Feeding mechanism, ] 3, ] 4 Lower tongue piece, 16 Operating rod, ]7
Spring, A. Noyaley. Patent applicant: Makoto Matsunaga and one other person Figure 2 Figure 3 Figure 4 Figure 5 Figure 6 Figure 7 Figure 8

Claims (5)

[Claims] (1) In a device that supplies test strips with disks of different densities placed in a transparent plastic binder by dropping them onto a chalet, a large number of test strips are loaded and stored at intervals according to the thickness of the disks. A cartridge having a drop opening on the lower end surface maintained in a horizontal state by an opening/closing lever supporting the bottom surface of one end of the lowermost test paper so as to be openable and closable, and a protrusion supporting the bottom surface of the other end, and the cartridge being freely attachable and detachable. A casing body that is inserted into and held in the casing body, and upper and lower tongue pieces that are provided near the drop opening for the cartridge of the casing body and that support the lower surface of one end of the lowermost test paper when the opening/closing lever is open, alternately protrude and retract. A flexible feeding mechanism is provided, and the feeding mechanism controls an operating rod that causes the upper tongue pieces to protrude and retract in conjunction with each other, and the lowermost test paper is removed by the retraction operation of the second tongue pieces. 1.1 While the lower surface of Section 1 is opened and supported by the protruding action of the lower tongue, the second test paper placed on the lowest test paper is placed on the lowermost test paper by the protruding action of the upper tongue. Automatic testing of test strips with a qS characteristic in which the lower surface portion is supported and at the same time the lower surface portion of one end of the lowermost test paper is released by the retracting action of the lower tongue piece, and the test paper is allowed to fall under its own weight to be supplied one by one. Feeding device. (2) The automatic test strip feeding device according to claim 1, characterized in that a plurality of casing bodies are aligned and assembled in at least one of the vertical and horizontal directions. (3) The automatic test strip feeding device according to claim 2, characterized in that each of the operating rods constituting each feeding mechanism is integrally interlocked. (4) Car 1 - Test according to any one of claims 1 to 3, characterized in that a heavy body is placed on the tenth part of the test paper loaded in the IJ nozzle. Automatic paper feeding device. (5) The weight body is swept by the side tongue piece of the feeding mechanism.
5. The automatic test strip feeding device according to claim 4, wherein the center of gravity of the test strip is shifted toward one end of the test strip.