CN209984369U - Quantitative injector for animal experiments - Google Patents
Quantitative injector for animal experiments Download PDFInfo
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- CN209984369U CN209984369U CN201920538099.9U CN201920538099U CN209984369U CN 209984369 U CN209984369 U CN 209984369U CN 201920538099 U CN201920538099 U CN 201920538099U CN 209984369 U CN209984369 U CN 209984369U
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- sleeve
- adhesive
- rubber plate
- animal experiments
- liquid
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Abstract
The utility model discloses a quantitative injector for animal experiments, which comprises a sleeve, the adapter sleeve, the syringe needle, the slide bar, first rubber slab, the second rubber slab, a spring, Y type pipe, the gasbag, place the box, first drainage hole, the second drainage hole, the graduation apparatus, this quantitative injector for animal experiments, the structure is ingenious, functions are powerful, and the operation is thus simple, through using the device, make that the experimenter can be quick extract the processing to liquid, and the liquid after the extraction is in quantitative state, so that the experimenter uses the device to inject the liquid after the ration into the animal in vivo, the working strength of experimenter has not only been reduced, experimenter's work efficiency has still been improved.
Description
Technical Field
The utility model relates to an injector especially relates to quantitative injector for animal experiments.
Background
Syringes are a common medical device. As early as the 15 th century, kathler, italian, proposed the principle of the syringe. Gas or liquid is primarily drawn or injected with a needle. Syringes may also be used for injection through rubber septa in medical devices, containers, scientific instruments such as in some chromatography.
In the animal experimentation, the experimenter uses the syringe to inject experimental liquid into the animal internally, when the experimenter carries out quantitative injection for the animal of many quantity of the same type and size of the body unanimity, the experimenter needs the repeated use syringe to extract the liquid in the container, in the extraction process, the experimenter still need observe the scale numerical value on the current syringe, with this liquid to the extraction carries out accuse volume, the experimenter injects the liquid after the accuse volume into the animal internally again, this kind of mode, waste time and energy, the working strength of experimenter has not only been increased, the work efficiency of experimenter has still been reduced, in view of above defect, it is necessary to design quantitative syringe for the animal experiment in fact.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve lies in: provides a quantitative injector for animal experiments to solve the problems of the background technology.
In order to solve the technical problem, the technical scheme of the utility model is that: a quantitative injector for animal experiments comprises a sleeve, a connecting sleeve, a needle head, a sliding rod, a first rubber plate, a second rubber plate, a spring, a Y-shaped pipe, an air bag, a placing box, a first liquid discharge hole, a second liquid discharge hole and a scale, wherein the connecting sleeve penetrates through the left side of the sleeve, the connecting sleeve is connected with a sleeve adhesive, the needle head is positioned on the left side of the connecting sleeve, the needle head is connected with the connecting sleeve adhesive, the sliding rod penetrates through the sleeve, the sliding rod is connected with the sleeve in a sliding manner, the first rubber plate is positioned on the left side of the sliding rod, the first rubber plate is connected with the sliding rod adhesive, the first rubber plate is connected with the sleeve in a sliding manner, the second rubber plate is positioned on the right side inside the sleeve and is connected with the sleeve in a sliding manner, the second rubber plate penetrates through the sliding rod and is connected with the sliding rod in a sliding manner, the spring is positioned at the, spring one end link to each other with the second rubber slab adhesive, just the spring other end link to each other with the sleeve adhesive, Y type pipe both ends run through sleeve right side both ends from top to bottom, Y type pipe link to each other with the sleeve adhesive, the gasbag be located Y type pipe right side, gasbag and Y type pipe adhesive link to each other, place the box and run through in the sleeve, place the box and link to each other with the sleeve adhesive, first drainage hole be located and place box inside left side both ends from top to bottom, first drainage hole be the through-hole, second drainage hole be located sleeve inside left side both ends from top to bottom, the second drainage hole be the through-hole, the graduation apparatus be located and place the box outer wall, the graduation apparatus with place box an organic whole and link to each other.
Furthermore, a first one-way valve is arranged in the second liquid discharge hole and connected with the adhesive of the second liquid discharge hole.
Furthermore, the outer wall of the connecting sleeve is also provided with a second one-way valve, and the second one-way valve is connected with the connecting sleeve adhesive.
Furthermore, a liquid inlet pipe penetrates through the top of the placing box, and the liquid inlet pipe is connected with the placing box adhesive.
Furthermore, the outer wall of the liquid inlet pipe is also provided with a first air valve, and the first air valve is connected with the adhesive of the liquid inlet pipe.
Further, the outer wall of the Y-shaped pipe is also provided with an exhaust pipe, and the exhaust pipe is connected with the Y-shaped pipe adhesive.
Further, the outer wall of the exhaust pipe is also provided with a second air valve, and the second air valve is connected with the exhaust pipe adhesive.
Further, the bottom of the placing box is also provided with a handle, and the handle is in threaded connection with the placing box.
Compared with the prior art, before the quantitative injector for animal experiments is used, an experimenter firstly opens the first gate valve by hand, then liquid is poured into the placing box through the liquid inlet pipe, after the pouring is finished, the experimenter closes the first gate valve by hand, during the use, the experimenter firstly holds the handle by the left hand and then continuously presses the air bag by the right hand, so that inflation gas generated by the air bag is discharged into the right side inside the sleeve through the Y-shaped pipe, at the moment, the inflation gas discharged into the sleeve carries out extrusion force on the second rubber plate, so that the second rubber plate moves from right to left along the direction of the sleeve, the spring is in a deformed state, the sleeve and the placing box are made of transparent materials, the experimenter can know the state that the second rubber plate moves from right to left along the sleeve through the scale, when the left side surface of the second rubber plate moves to a value corresponding to the scale, the air bag is put by hands of an experimenter, at the moment, the space required for extracting the liquid amount of the liquid in the sleeve is in a quantitative state, the experimenter pulls the slide rod by a right hand, at the moment, the slide rod drives the first rubber plate to move from left to right along the direction of the sleeve, under the action of the first one-way valve, the first rubber plate can not suck the external air into the sleeve when moving from left to right, meanwhile, the liquid in the placing box is sucked into the sleeve from the first liquid discharge hole through the second liquid discharge hole by the action of the first rubber plate from left to right, when the first rubber plate and the second rubber plate are mutually attached, the liquid amount of the liquid extracted from the sleeve is quantified, the experimenter punctures the needle head into the animal body, then the slide rod is pushed by a right hand, so that the slide rod drives the first rubber plate to push the quantified liquid in the sleeve to be injected into the animal body from the connecting sleeve through the needle head, under the action, make the interior liquid of suction sleeve can not flow back to placing the box in, this quantitative injector for animal experiments, and is ingenious in structure, functions are powerful, and easy operation, through using the device, make the experimenter can be quick extract the processing to liquid, and the liquid after the extraction is in quantitative state, so that the experimenter uses the device to pour into the liquid after the ration into the animal internal, the working strength of experimenter has not only been reduced, the operating efficiency of experimenter has still been improved, simultaneously, after the device finishes using, the experimenter opens second valve with the hand, with this the inflation gas that will discharge into in the sleeve is discharged the external world by the blast pipe, at this moment, through the effect of spring rebound force, make the second rubber slab reset, Y type pipe be the hose, the gasbag be medical PVC gasbag.
Drawings
FIG. 1 is a partial front cross-sectional view of a dosing syringe for animal testing;
fig. 2 is a partial front view of a quantitative injector for animal experiments.
The device comprises a sleeve 1, a connecting sleeve 2, a needle 3, a sliding rod 4, a first rubber plate 5, a second rubber plate 6, a spring 7, a Y-shaped pipe 8, an air bag 9, a placing box 10, a first liquid discharging hole 11, a second liquid discharging hole 12, a dial gauge 13, a first one-way valve 101, a liquid inlet pipe 102, a first air valve 103, a handle 104, a second one-way valve 201, an exhaust pipe 801 and a second air valve 802.
The following detailed description will be further described in conjunction with the above-identified drawings.
Detailed Description
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the concepts underlying the described embodiments. It will be apparent, however, to one skilled in the art, that the described embodiments may be practiced without some or all of these specific details. In other instances, well known process steps have not been described in detail.
As shown in fig. 1 and 2, the quantitative injector for animal experiments comprises a sleeve 1, a connecting sleeve 2, a needle 3, a sliding rod 4, a first rubber plate 5, a second rubber plate 6, a spring 7, a Y-shaped pipe 8, an air bag 9, a placing box 10, a first liquid discharge hole 11, a second liquid discharge hole 12 and a scale 13, wherein the connecting sleeve 2 penetrates through the left side of the sleeve 1, the connecting sleeve 2 is connected with an adhesive of the sleeve 1, the needle 3 is positioned at the left side of the connecting sleeve 2, the needle 3 is connected with the adhesive of the connecting sleeve 2, the sliding rod 4 penetrates through the sleeve 1, the sliding rod 4 is connected with the sleeve 1 in a sliding manner, the first rubber plate 5 is positioned at the left side of the sliding rod 4, the first rubber plate 5 is connected with the adhesive of the sliding rod 4, the first rubber plate 5 is connected with the sleeve 1 in a sliding manner, the second rubber plate 6 is positioned at the right side inside the sleeve 1, the second rubber plate 6 is connected with, the second rubber plate 6 penetrates through the sliding rod 4 to be connected with the sliding rod 4 in a sliding mode, the spring 7 is located at the upper end and the lower end of the right side of the second rubber plate 6, one end of the spring 7 is connected with the second rubber plate 6 through an adhesive, the other end of the spring 7 is connected with the sleeve 1 through an adhesive, two ends of the Y-shaped pipe 8 penetrate through the upper end and the lower end of the right side of the sleeve 1, the Y-shaped pipe 8 is connected with the sleeve 1 through an adhesive, the air bag 9 is located on the right side of the Y-shaped pipe 8, the air bag 9 is connected with the Y-shaped pipe 8 through an adhesive, the placing box 10 penetrates through the sleeve 1, the placing box 10 is connected with the sleeve 1 through an adhesive, the first liquid discharging holes 11 are located at the upper end and the lower end of the left side inside the placing box 10, the first liquid discharging holes 11 are through holes, the second liquid discharging holes 12 are located at the, the dial gauge 13 is positioned on the outer wall of the placing box 10, the dial gauge 13 is integrally connected with the placing box 10, the first check valve 101 is further arranged inside the second liquid discharge hole 12, the first check valve 101 is connected with the second liquid discharge hole 12 through an adhesive, the second check valve 201 is further arranged on the outer wall of the connecting sleeve 2, the second check valve 201 is connected with the adhesive of the connecting sleeve 2, the top of the placing box 10 is further penetrated with a liquid inlet pipe 102, the liquid inlet pipe 102 is connected with the adhesive of the placing box 10, the outer wall of the liquid inlet pipe 102 is further provided with a first air door valve 103, the first air door valve 103 is connected with the adhesive of the liquid inlet pipe 102, the outer wall of the Y-shaped pipe 8 is further provided with an exhaust pipe 801, the exhaust pipe 801 is connected with the adhesive of the Y-shaped pipe 8, the outer wall of the exhaust pipe 801 is further provided with a second air door valve 802, and the second air door valve 802 is, the bottom of the placing box 10 is also provided with a handle 104, and the handle 104 is in threaded connection with the placing box 10.
Before the quantitative injector for animal experiments is used, an experimenter firstly opens the first valve 103 by hand, then pours liquid into the placing box 10 through the liquid inlet pipe 102, after the pouring is finished, the experimenter closes the first valve 103 by hand, when the quantitative injector is used, the experimenter firstly holds the handle 104 by the left hand and then continuously presses the air bag 9 by the right hand, so that inflation gas generated by the air bag 9 is discharged into the right side inside the sleeve 1 through the Y-shaped pipe 8, at the moment, the inflation gas discharged into the sleeve 1 carries out extrusion force on the second rubber plate 6, so that the second rubber plate 6 moves from right to left along the direction of the sleeve 1, and synchronously, the spring 7 is in a deformation state, the sleeve 1 and the placing box 10 are made of transparent materials, the experimenter can know the state that the second rubber plate 6 moves from right to left along the sleeve 1 through the scale 13, when the left side surface of the second rubber plate 6 moves to a value corresponding to the scale 13, an experimenter hand-deflating bag 9, at this time, the space in the sleeve 1 which needs to extract the liquid amount of the liquid is in a quantitative state, the experimenter then pulls the sliding rod 4 with a right hand, at this time, the sliding rod 4 drives the first rubber plate 5 to move from left to right along the direction of the sleeve 1, under the action of the first one-way valve 101, the first rubber plate 5 can not suck the outside air into the sleeve 1 when moving from left to right, meanwhile, the liquid in the placing box 10 is sucked into the sleeve 1 through the first liquid discharging hole 11 and the second liquid discharging hole 12 through the left-to-right action of the first rubber plate 5, when the first rubber plate 5 and the second rubber plate 6 are mutually attached, at this time, the liquid amount of the liquid extracted from the sleeve 1 is quantitative, the experimenter then punctures the needle 3 into the animal body, and then pushes the sliding rod 4 with a right hand, so that the sliding rod 4 drives the first rubber plate 5 to push the liquid in the sleeve 1 which is quantitative liquid is injected into the animal body, under the effect of second check valve 201 for the liquid of suction in the sleeve 1 can not flow back to placing in the box 10, simultaneously, after the device finishes using, the experimenter opens second valve 802 with the hand to this inflation gas that will discharge into in the sleeve 1 is discharged the external world by blast pipe 801, at this moment, through the effect of spring 7 resilience power, makes second rubber slab 6 reset, Y type pipe 8 be the hose, gasbag 9 be medical PVC gasbag.
The present invention is not limited to the above specific embodiments, and those skilled in the art can make various changes without creative labor from the above conception, and all the changes fall within the protection scope of the present invention.
Claims (8)
1. The quantitative injector for animal experiments is characterized by comprising a sleeve, a connecting sleeve, a needle head, a slide bar, a first rubber plate, a second rubber plate, a spring, a Y-shaped pipe, an air bag, a placing box, a first liquid discharging hole, a second liquid discharging hole and a scale, wherein the connecting sleeve penetrates through the left side of the sleeve, the connecting sleeve is connected with a sleeve adhesive, the needle head is positioned on the left side of the connecting sleeve, the needle head is connected with the connecting sleeve adhesive, the slide bar penetrates through the sleeve, the slide bar is connected with the sleeve in a sliding manner, the first rubber plate is positioned on the left side of the slide bar, the first rubber plate is connected with the slide bar adhesive, the first rubber plate is connected with the sleeve in a sliding manner, the second rubber plate is positioned on the right side inside the sleeve, the second rubber plate is connected with the sleeve in a sliding manner, and the second rubber plate penetrates through the slide bar and, the spring be located second rubber slab right side both ends from top to bottom, spring one end link to each other with the second rubber slab adhesive, just the spring other end link to each other with the sleeve adhesive, Y type pipe both ends run through sleeve right side both ends from top to bottom, Y type pipe link to each other with the sleeve adhesive, the gasbag be located Y type pipe right side, gasbag and Y type pipe adhesive link to each other, place the box and run through in the sleeve, place the box and link to each other with the sleeve adhesive, first drainage hole be located and place box inside left side both ends from top to bottom, first drainage hole be the through-hole, second drainage hole be located sleeve inside left side both ends from top to bottom, the second drainage hole be the through-hole, the graduation apparatus be located and place the box outer wall, the graduation apparatus with place box an organic whole and link to each other.
2. The quantitative injector for animal experiments as claimed in claim 1, wherein a first check valve is further disposed inside the second drain hole, and the first check valve is connected with the second drain hole by adhesive.
3. The quantitative injector for animal experiments as claimed in claim 2, wherein the outer wall of the connecting sleeve is further provided with a second one-way valve, and the second one-way valve is connected with the connecting sleeve adhesive.
4. The quantitative injector for animal experiments as claimed in claim 3, wherein a liquid inlet pipe is further penetrated through the top of the placing box, and the liquid inlet pipe is connected with the placing box adhesive.
5. The quantitative injector for animal experiments as claimed in claim 4, wherein the outer wall of the liquid inlet pipe is further provided with a first air valve, and the first air valve is connected with the adhesive of the liquid inlet pipe.
6. The quantitative injector for animal experiments as claimed in claim 5, wherein the outer wall of the Y-shaped tube is further provided with an exhaust tube, and the exhaust tube is connected with the Y-shaped tube adhesive.
7. The quantitative injector for animal experiments as claimed in claim 6, wherein the outer wall of the exhaust pipe is further provided with a second air valve, and the second air valve is connected with the exhaust pipe adhesive.
8. The quantitative injector for animal experiments as claimed in claim 7, wherein the bottom of the placing box is further provided with a handle, and the handle is connected with the thread of the placing box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920538099.9U CN209984369U (en) | 2019-04-19 | 2019-04-19 | Quantitative injector for animal experiments |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920538099.9U CN209984369U (en) | 2019-04-19 | 2019-04-19 | Quantitative injector for animal experiments |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209984369U true CN209984369U (en) | 2020-01-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920538099.9U Expired - Fee Related CN209984369U (en) | 2019-04-19 | 2019-04-19 | Quantitative injector for animal experiments |
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| Country | Link |
|---|---|
| CN (1) | CN209984369U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112516446A (en) * | 2020-10-19 | 2021-03-19 | 中国人民解放军空军军医大学 | Special liquid sprayer for anesthesia department |
-
2019
- 2019-04-19 CN CN201920538099.9U patent/CN209984369U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112516446A (en) * | 2020-10-19 | 2021-03-19 | 中国人民解放军空军军医大学 | Special liquid sprayer for anesthesia department |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200124 Termination date: 20210419 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |