CN210886040U - Simple and easy collection device of chick embryo allantoic fluid - Google Patents

Abstract

The utility model relates to a simple and easy collection device of chick embryo allantoic fluid, syringe including frame, vertical setting to and be located the standing groove of syringe below, install the drive in the frame the actuating mechanism that the syringe reciprocated, syringe needle lower extreme rigid coupling has prevents stifled ball, prevent stifled being equipped with in the ball with the collection liquid chamber of syringe needle intercommunication, prevent setting up the filtration pore of intercommunication outside and collection liquid chamber on the stifled ball spheroid, syringe needle lower extreme extends to a collection liquid intracavity. The utility model discloses a setting up and preventing stifled ball, avoiding the chick embryo tissue to block up the syringe needle, it is more simple and convenient to use, the syringe needle with prevent stifled ball grafting, before the use with syringe needle point insert prevent stifled ball can, can dismantle after the use to make things convenient for autoclaving and recycle.

Description

Simple and easy collection device of chick embryo allantoic fluid

Technical Field

The utility model relates to a bacterin preparation equipment field especially involves a simple and easy collection device of chicken embryo allantoic fluid.

Background

Chick embryo culture is a culture method used to culture some animal viruses sensitive to chick embryos. The method can be used for the separation, culture, titration of virulence, neutralization test of various viruses, preparation of antigens and vaccines and the like. The chick embryo allantoic fluid inoculation path is simple to operate, and a large amount of viruses can be obtained by collecting allantoic fluid, so that the chick embryo allantoic fluid inoculation path is the most common inoculation path in a laboratory. However, in clinical collection of allantoic fluid, in order to prevent the chick embryo tissue from blocking the suction head, forceps or other devices are needed to press the chick embryo tissue with one hand, and the allantoic fluid is collected with an injector or a gun head with the other hand, so that the operation is inconvenient, the pollution is easy to cause, and the requirement on experimental skill is high.

Disclosure of Invention

The utility model discloses to prior art's not enough, provide a simple and easy collection device of chick embryo allantoic fluid, not only avoided the chick embryo tissue to block up the needle tubing, convenient operation moreover.

The utility model discloses a through following technical scheme realizes, provide a simple and easy collection device of chick embryo allantoic fluid, the syringe including frame, vertical setting to and be located the standing groove of syringe below, install the drive in the frame the actuating mechanism that the syringe reciprocated, syringe needle lower extreme rigid coupling has anti-blocking ball, prevent being equipped with the collection liquid chamber with syringe needle intercommunication in the anti-blocking ball, prevent setting up the outside filtration pore with collection liquid chamber of intercommunication on the anti-blocking ball spheroid, syringe needle lower extreme extends to a collection liquid intracavity.

According to the scheme, the placement groove is arranged to facilitate egg shell placement, the driving mechanism drives the injector to move up and down, when the placement groove with the chick embryos is moved to the position below the injector, the driving mechanism drives the injector to move down to collect the chick embryo allantoic fluid, and after collection is completed, the driving mechanism drives the injector to move up so as to move the placement groove open and facilitate placement of the next placement groove; by arranging the anti-blocking ball, chick embryo allantoic fluid enters the fluid collection cavity through the filter hole and finally enters the injector through the needle head, chick embryo tissues are blocked by the filter hole, and the needle head is prevented from being blocked.

Preferably, the driving mechanism comprises a nylon rack which is vertically connected to the rack in a sliding manner and a nylon gear which is connected to the rack in a shaft manner and meshed with the nylon rack, and the nylon rack is fixedly provided with a spring sheet for clamping the outer cylinder of the syringe. The driving mechanism of the optimized scheme adopts a gear rack structure, the outer barrel of the syringe is fixed through the elastic sheet, the installation and the disassembly are convenient, and the universality of the specification of the outer barrel of the syringe is higher.

As optimization, the diameter of a push handle at the upper end of a piston rod of the injector is larger than that of an outer cylinder of the injector, a limiting table which is positioned outside the outer cylinder of the injector and below the push handle at the upper end of the piston rod of the injector is fixedly arranged on the rack, and the vertical distance from the top surface of the limiting table to the chick embryo is matched with the distance from the push handle to the anti-blocking ball. When the optimized scheme is used, the driving mechanism firstly drives the injector to integrally move downwards, when the anti-blocking ball enters the chick embryo allantoic fluid, the driving mechanism continuously drives the outer barrel of the injector to move downwards, and the piston of the injector stops moving downwards under the blocking of the limiting table, so that the chick embryo allantoic fluid is collected, the operation difficulty is greatly reduced, and the efficiency is improved.

Preferably, the limiting table comprises a supporting rod vertically and fixedly connected to the rack and a plurality of height adjusting plates arranged from bottom to top along the supporting rod, and one side of each height adjusting plate is provided with a U-shaped opening matched with the supporting rod. This structure of spacing platform of optimization scheme can increase the height-adjusting board quantity according to the collection number of times when using to the adjustment pushes away the handle and the distance of spacing bench face, makes the syringe piston rod all have sufficient displacement when collecting at every turn, guarantees the thoroughness to collecting at every turn.

And optimally, a vertical guide groove in sliding connection with the nylon rack is formed in the rack. According to the optimized scheme, the vertical guide groove is arranged to provide guide for the movement of the nylon rack, so that the rack is prevented from inclining, and the reliability of the driving mechanism is improved.

Preferably, one end of the wheel shaft of the nylon gear is provided with a crank. According to the optimized scheme, the crank is arranged, so that the driving mechanism is more conveniently operated, and the moving height of the injector is conveniently controlled by an operator.

As optimization, the tank bottom of standing groove is equipped with the arc recess with eggshell tip adaptation, and the inner wall of standing groove sets firmly along radially extending and along the evenly arranged spring of circumference, the expansion end of spring is equipped with the rubber ball that pushes up to the eggshell. This optimization scheme makes placing of eggshell more stable through setting up the arc recess, through setting up the spring, can adapt to the eggshell use of equidimension not, through setting up the rubber ball, avoids the eggshell to be crowded garrulous, reduces the area of contact with the eggshell simultaneously, only needs to support the eggshell, makes things convenient for getting of eggshell to put.

The utility model has the advantages that: prevent stifled ball through setting up, avoid the chick embryo tissue to block up the syringe needle, it is more simple and convenient to use, the syringe needle with prevent stifled ball grafting, before the use with syringe needle point insert prevent stifled ball can, can dismantle after the use to make things convenient for autoclaving and recycle.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the driving mechanism;

FIG. 3 is a schematic view of a stop table;

shown in the figure:

1. the device comprises a rack, 2, a syringe needle, 3, a limiting table, 4, a push handle, 5, a syringe outer cylinder, 6, a guide groove, 7, a nylon rack, 8, a crank, 9, a nylon gear, 10, a spring sheet, 11, a rubber ball, 12, a spring, 13, a placing groove, 14, an anti-blocking ball, 15, a height-adjusting plate, 16 and a support rod.

Detailed Description

In order to clearly illustrate the technical features of the present solution, the present solution is explained below by way of specific embodiments.

As shown in figure 1, the simple collecting device for chick embryo allantoic fluid comprises a rack 1, a vertically arranged injector and a placing groove 13 positioned below the injector.

The injector is characterized in that a driving mechanism for driving the injector to move up and down is installed on the rack, the driving mechanism comprises a nylon rack 7 which is vertically connected onto the rack in a sliding mode and a nylon gear 9 which is connected onto the rack in a shaft mode and meshed with the nylon rack, an elastic sheet 10 for clamping the outer barrel 5 of the injector is fixedly arranged on the nylon rack, the two elastic sheets are arranged oppositely, one end of each elastic sheet is fixedly connected with the nylon rack, and an arc matched with the outer barrel of the injector in shape is bent on each elastic sheet. A vertical guide groove 6 which is in sliding connection with the nylon rack is formed in the rack, and guide is provided for movement of the nylon rack. The rack and the gear are made of nylon materials, so that the requirement of the embodiment is met, and the weight of the device is reduced. A crank 8 is arranged at one end of a wheel shaft of the nylon gear, so that the height of the injector can be conveniently controlled.

The lower end of the syringe needle 2 is inserted and fixedly connected with an anti-blocking ball 14, the anti-blocking ball is made of stainless steel, a liquid collecting cavity communicated with the syringe needle is formed in the anti-blocking ball, a filter hole communicated with the outside and the liquid collecting cavity is formed in the ball body of the anti-blocking ball, and the lower end of the syringe needle extends into the liquid collecting cavity. Chick embryo allantoic fluid enters the liquid collection chamber through the filter hole and finally enters the injector through the needle, and chick embryo tissues are blocked by the filter hole, so that the needle is prevented from being blocked. The stainless steel anti-gambling ball can be connected with syringe needles of different specifications, the syringe needles can be inserted in points before use, and can be detached after use, and can be autoclaved and recycled, so that the rapid aseptic collection of chick embryo allantoic fluid can be realized. The simple collecting device for the allantoic fluid of the chick embryos is simple to operate, saves time, and reduces pollution risks caused by non-standard operation.

The diameter of a push handle 4 at the upper end of a piston rod of the injector is larger than that of an outer cylinder of the injector, a limiting table 3 which is positioned outside the outer cylinder of the injector and below the push handle at the upper end of the piston rod of the injector is fixedly arranged on the rack, and the vertical distance from the top surface of the limiting table to the chick embryo is matched with the distance from the push handle to the anti-blocking ball.

In order to conveniently adjust the position of the pushing handle, the limiting table of the embodiment comprises a supporting rod 16 vertically and fixedly connected to the rack and a plurality of height-adjusting plates 15 arranged along the supporting rod from bottom to top, one side of each height-adjusting plate 15 is provided with a U-shaped opening matched with the supporting rod, and after the chick embryo allantoic fluid is collected and the syringe is integrally lifted, one height-adjusting plate is additionally arranged on the supporting rod to offset the extending length of the syringe piston during the collection of the chick embryo allantoic fluid.

The tank bottom of standing groove is equipped with the arc recess with eggshell tip adaptation, and the inner wall of standing groove sets firmly along radial extension and along the even spring 12 who arranges of circumference, the expansion end of spring 12 is equipped with the rubber ball 11 that pushes up to the eggshell.

When the egg-shaped anti-blocking device is used, an egg shell is placed in the arc-shaped groove of the placing groove, the egg shell is clamped and centered under the action of the spring, the crank is shaken, the rack is driven to move downwards through rotation of the gear, so that the syringe is driven to integrally move downwards, when the anti-blocking ball enters chick embryo allantoic fluid, the push handle is just blocked by the top surface of the limiting table, the crank is continuously shaken, the outer barrel of the syringe continuously moves downwards, the piston of the syringe stops moving downwards, so that the piston is drawn out relative to the outer barrel, absorption and collection of the chick embryo allantoic fluid are realized, then the crank is reversely shaken, the syringe is integrally lifted, the collected chick embryos are removed, next chick embryos are moved to the lower part of the syringe, a height-adjusting plate is added to the supporting rod.

Of course, the above description is not limited to the above examples, and technical features of the present invention that are not described in the present application may be implemented by or using the prior art, and are not described herein again; the above embodiments and drawings are only used for illustrating the technical solutions of the present invention and are not intended to limit the present invention, and the present invention has been described in detail with reference to the preferred embodiments, and those skilled in the art should understand that changes, modifications, additions or substitutions made by those skilled in the art within the spirit of the present invention should also belong to the protection scope of the claims of the present invention.

Claims (7)

1. A simple and easy collection device of chick embryo allantoic fluid which characterized in that: including frame (1), the syringe of vertical setting to and standing groove (13) that are located the syringe below, install the drive in the frame the actuating mechanism that the syringe reciprocated, syringe needle (2) lower extreme rigid coupling have prevents stifled ball (14), prevent being equipped with in the stifled ball with the liquid collecting chamber of syringe needle intercommunication, prevent offering the filtration pore of intercommunication outside and liquid collecting chamber on the stifled ball spheroid, syringe needle lower extreme extends the liquid collecting chamber.

2. The simple collecting device for chick embryo allantoic fluid as defined in claim 1, wherein: the driving mechanism comprises a nylon rack (7) which is vertically connected to the rack in a sliding manner and a nylon gear (9) which is connected to the rack in a shaft manner and meshed with the nylon rack, and an elastic sheet (10) for clamping the outer barrel (5) of the syringe is fixedly arranged on the nylon rack.

3. The simple collecting device for chick embryo allantoic fluid as defined in claim 2, wherein: the diameter of a push handle (4) at the upper end of the syringe piston rod is larger than that of the syringe outer barrel, a limiting table (3) which is positioned outside the syringe outer barrel and below the push handle at the upper end of the syringe piston rod is fixedly arranged on the rack, and the vertical distance from the top surface of the limiting table to the chick embryo is matched with the distance from the push handle to the anti-blocking ball.

4. The device of claim 3, wherein the device comprises: the limiting table comprises a supporting rod (16) vertically and fixedly connected to the rack and a plurality of heightening plates (15) arranged on the supporting rod from bottom to top, and one side of each heightening plate (15) is provided with a U-shaped opening matched with the supporting rod.

5. The simple collecting device for chick embryo allantoic fluid as defined in claim 2, wherein: and a vertical guide groove (6) in sliding connection with the nylon rack is formed in the rack.

6. The simple collecting device for chick embryo allantoic fluid as defined in claim 2, wherein: and one end of the wheel shaft of the nylon gear is provided with a crank (8).

7. The simple collecting device for chick embryo allantoic fluid as defined in claim 1, wherein: the tank bottom of standing groove is equipped with the arc recess with eggshell tip adaptation, and the inner wall of standing groove sets firmly along radial extension and along spring (12) that circumference evenly arranged, the expansion end of spring (12) is equipped with rubber ball (11) of top to the eggshell.

Images