CN109771077B - Micro-intervention injection device for shrimp and crab eye handles - Google Patents
Micro-intervention injection device for shrimp and crab eye handles Download PDFInfo
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- CN109771077B CN109771077B CN201910113662.2A CN201910113662A CN109771077B CN 109771077 B CN109771077 B CN 109771077B CN 201910113662 A CN201910113662 A CN 201910113662A CN 109771077 B CN109771077 B CN 109771077B
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- 238000002347 injection Methods 0.000 title claims abstract description 199
- 239000007924 injection Substances 0.000 title claims abstract description 199
- 241000238557 Decapoda Species 0.000 title claims abstract description 62
- 238000001179 sorption measurement Methods 0.000 claims abstract description 56
- 239000007788 liquid Substances 0.000 claims description 15
- 239000003814 drug Substances 0.000 claims description 13
- 238000007789 sealing Methods 0.000 claims description 4
- 230000007547 defect Effects 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 230000002124 endocrine Effects 0.000 description 2
- 230000006408 female gonad development Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000000955 neuroendocrine Effects 0.000 description 2
- 230000007539 regulation of female gonad development Effects 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 230000028327 secretion Effects 0.000 description 2
- QURLONWWPWCPIC-UHFFFAOYSA-N 2-(2-aminoethoxy)ethanol;3,6-dichloro-2-methoxybenzoic acid Chemical compound NCCOCCO.COC1=C(Cl)C=CC(Cl)=C1C(O)=O QURLONWWPWCPIC-UHFFFAOYSA-N 0.000 description 1
- 241000238424 Crustacea Species 0.000 description 1
- 208000003098 Ganglion Cysts Diseases 0.000 description 1
- 208000005400 Synovial Cyst Diseases 0.000 description 1
- 210000001015 abdomen Anatomy 0.000 description 1
- 230000006399 behavior Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 210000004027 cell Anatomy 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000009025 developmental regulation Effects 0.000 description 1
- 239000005556 hormone Substances 0.000 description 1
- 229940088597 hormone Drugs 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000035800 maturation Effects 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 210000000653 nervous system Anatomy 0.000 description 1
- 210000004412 neuroendocrine cell Anatomy 0.000 description 1
- 210000001672 ovary Anatomy 0.000 description 1
- 239000002863 oxytocic agent Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 230000002269 spontaneous effect Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/80—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
- Y02A40/81—Aquaculture, e.g. of fish
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- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The invention relates to the field of shrimp and crab eye stem intervention and injection, in particular to a shrimp and crab eye stem micro-intervention injection device which comprises an adsorption injection part, an injection driving part and an injection control part; the adsorption injection part comprises an adsorption cavity, an expansion bag and an injection needle, wherein the diameter of the adsorption cavity is matched with that of the eye handles of shrimps and crabs, the adsorption cavity is externally connected with a negative pressure source through the injection control part, the expansion bag is fixedly arranged on the side wall of the adsorption cavity, the injection needle is fixedly arranged on the side wall of the expansion bag, the tail end of the injection needle is communicated with the injection driving part, and the expansion bag is externally connected with a positive pressure source through the injection control part; the injection driving part is externally connected with a positive pressure source through the injection control part to provide injection driving; the micro-intervention injection device for the shrimp and crab eye handles overcomes the defects of high operation difficulty, high labor intensity of staff and the like when the shrimp and crab eye handles are subjected to micro-intervention injection, realizes the rapid operation of the shrimp and crab eye handles during the micro-intervention injection, and remarkably improves the injection efficiency.
Description
Technical Field
The invention relates to the field of eye handle intervention and injection of shrimps and crabs, in particular to a micro-intervention injection device for eye handles of shrimps and crabs.
Background
In some links of shrimp and crab research and production activities, the operation of medicament injection is often involved. The common method for injecting the prawns by adopting the common medical injector for human is that the prawns are commonly used in the links, and the common method has the advantages of low cost and availability, but also has the defects of low injection labor efficiency and high death and disability risk, and the disclosure report, application and sales of the special injector for the prawns and crabs are not seen at present. The conventional parts of the shrimp and crab injection mainly comprise abdomen, foot basal part, basal or basal internode joint membranes and eye handles, wherein the eye handle intervention injection has a special advantage, the eye handle position of the shrimp and crab XO-SG is just a long and narrow structure protruding outside the body, firstly, in laboratory researches, the 'eye handle-brain ganglion' integral CLARITY technology is applied, and the signal transmission and secretion behaviors of certain typical cell clusters in eye handle tissues can be specifically interfered at the living body level by combining different intervention modes, intervention components and intervention slow release ranges, so that the spontaneous secretion, storage release and control effect and strength of the whole nervous system on the ovarian development of the eye handle typical neuroendocrine cell clusters are intuitively presented; secondly, the eye stalk neuroendocrine cytoma plays a role in mastering in natural endocrine regulation of ovarian development, so that eye stalk tissues are accurately inserted into proper slow-release non-hormone long-acting interfering substances, and the aim of artificially regulating the development and maturation speed of shrimp and crab ovaries in a green way is expected to be achieved. The safe and environment-friendly development regulation technology has important application prospect in aquatic products; even if the eye stalk neuroendocrine cytoma does not exert a 'mastering' effect in endocrine regulation of ovarian development, eye stalk intervention can be used for controlling release, so that the shrimp and crab ovarian development regulation and oxytocic agent and technology which are safer and more efficient and are easy to commercially protect can be developed. The novel technology has particularly important significance for the species with low monomer egg yield, the requirement of synchronously processing parents in batches and inducing synchronous development and spawning. However, because the eye handles of live shrimps and crabs are tiny and are easy to hide in the crustacean, the operation difficulty is high, the labor intensity of workers is increased, and the conventional injection efficiency is quite low.
Disclosure of Invention
The invention aims to overcome the defects described in the background art, thereby realizing the shrimp and crab eye handle micro-intervention injection device which can remarkably improve the operation efficiency of shrimp and crab eye handle intervention injection, reduce the injection difficulty of the shrimp and crab eye handles and lighten the labor intensity of workers.
In order to achieve the above purpose, the technical scheme of the invention is as follows: a micro-intervention injection device for shrimp and crab eye handles comprises an adsorption injection part, an injection driving part and an injection control part; the adsorption injection part is used for carrying out injection operation after negative pressure adsorption fixation on the shrimp and crab eye handles, the adsorption injection part comprises an adsorption cavity body, an expansion bag and an injection needle head, the diameter of the adsorption cavity body is matched with that of the shrimp and crab eye handles, the adsorption cavity body is externally connected with a negative pressure source through an injection control part, the expansion bag is fixedly arranged on the side wall of the adsorption cavity body, the injection needle head is fixedly arranged on the side wall of the expansion bag and can move back and forth along with the side wall of the expansion bag, the injection end of the injection needle head extends out of the expansion bag, the tail end of the injection needle head is communicated with the injection driving part, the expansion bag is externally connected with a positive pressure source through the injection control part, and the expansion bag is inflated to drive the injection needle head to penetrate into the shrimp and crab eye handles; the injection driving part is externally connected with a positive pressure source through the injection control part to provide injection driving; the injection control part is used for connecting or disconnecting the adsorption cavity with a negative pressure source, and connecting the expansion bag and the injection driving part with a positive pressure source so as to start or stop adsorption and injection operation, wherein the negative pressure source is a negative pressure air pump; the positive pressure source is a high pressure inflator pump.
As the preferable technical scheme of the invention, the injection driving part comprises an injection cavity and a cylinder cavity which are coaxially communicated and sealed, the front end of the injection cavity is provided with a three-way valve communicated with the injection cavity, two ports of the three-way valve are connected in series with one-way valves, one port of the three-way valve is externally connected with a liquid medicine bin, and the other port of the three-way valve is communicated with the injection needle; an injection piston and a cylinder piston are respectively arranged in the injection cavity and the cylinder cavity, and the two pistons are fixedly connected through a piston connecting rod; a piston return spring is arranged between the end part of the injection cavity and the air cylinder piston, a high-pressure air interface is communicated with the side wall of the end part of the air cylinder cavity at the rear side of the air cylinder piston, and the high-pressure air interface is externally connected with a positive pressure source through an injection control part.
As a preferred technical scheme of the invention, the injection control part comprises a valve block body, a positive pressure valve hole and a negative pressure valve hole, wherein the positive pressure valve hole and the negative pressure valve hole are arranged in the valve block body in parallel, the inlet of the positive pressure valve hole is externally connected with a positive pressure source, the outlet of the positive pressure valve hole is externally connected with an expansion bag and an injection driving part, a button column capable of switching the positive pressure valve hole is arranged in the valve block body in a vertical positive pressure valve hole, and a button return spring is arranged at the bottom of the button column; the negative pressure valve hole is externally connected with an adsorption cavity, the outlet of the negative pressure valve hole is externally connected with a negative pressure source, a pressure relief hole is formed in a valve block body corresponding to the position of the negative pressure valve hole, a sliding cover plate capable of opening and closing the pressure relief hole is arranged on the valve block body at the pressure relief hole in a sliding mode, after the sliding cover plate leaks out of the pressure relief hole, negative pressure in the adsorption cavity is eliminated, so that negative pressure adsorption on shrimp and crab eye handles is interrupted, and otherwise, adsorption operation is started.
As the preferable technical scheme of the invention, one side of the expansion bag of the adsorption injection part and the periphery of the tail part of the injection needle are provided with the needle return spring, and the needle return spring can enable the injection needle to quickly shrink and return in a non-injection state.
As the preferable technical scheme of the invention, a dosage adjusting screw is arranged on the rear end surface of the cylinder cavity in a sealing way, one end of the dosage adjusting screw, which is positioned in the cylinder cavity, is used for limiting a cylinder piston, and the other end of the dosage adjusting screw is fixedly provided with a hand wheel; one port of the three-way valve is externally connected with a liquid medicine bin through a liquid guide pipe, and the other port of the three-way valve is communicated with an injection needle through the liquid guide pipe.
As the preferable technical scheme of the invention, the outlet of the positive pressure valve hole is externally connected with an expansion bag and an injection driving part through an air duct; the negative pressure valve hole inlet is connected with the adsorption cavity through the air duct, and the installation positions of the adsorption injection part, the injection driving part and the injection control part can be flexibly arranged through the air duct connection, so that the use is more flexible.
As the preferable technical scheme of the invention, the locking nut is matched with the dosage adjusting screw rod at the outer side of the end surface of the cylinder cavity and is used for locking the dosage adjusting screw rod to achieve fixed consistent injection dosage, and the dosage adjusting screw rod is prevented from being rotated by misoperation, so that the condition that the injection dosage of each time is not standard occurs.
The invention relates to a working principle of a shrimp and crab eye handle micro-intervention injection device, which comprises the following steps:
Firstly, the dose adjusting screw is rotated to adjust the injection dose to the medicament dose required by injection, and then the locking nut is screwed down to lock. The sliding cover plate is used for sealing the pressure release holes completely, a negative pressure adsorption environment is formed in the adsorption cavity, shrimp and crab eye handles are placed at the opening of the adsorption cavity and are automatically sucked into the cavity to achieve eye handle fixation, then a button column of the injection control part is pressed, a positive pressure source is connected, an expansion bag of the adsorption injection part is inflated and expanded to drive an injection needle to penetrate into the shrimp and crab eye handles, meanwhile, a cylinder piston of the injection driving part is pushed by rear high-pressure gas to move forwards, a piston connecting rod drives the injection piston to move forwards to achieve liquid medicine injection, after a set dose of medicine is injected, the button column is released, positive pressure in the cylinder cavity and the expansion bag is eliminated, the injection needle is reset by the needle reset spring and pulled out of the shrimp and crab eye handles, the injection piston and the cylinder piston are reset by the piston reset spring, and liquid medicine in the liquid medicine cabin is conducted by the one-way valve and fills the injection cavity simultaneously, and preparation is made for liquid medicine filling for the next injection. From this, circulation is reciprocal, realizes shrimp crab class eye handle micro-intervention injection operation.
The shrimp and crab eye handle micro-intervention injection device has the beneficial effects that:
1. The micro-intervention injection device for the shrimp and crab eye handles overcomes the defects of high operation difficulty, high labor intensity of staff and the like caused by micro eye handles during micro-intervention injection of the shrimp and crab eye handles, realizes the rapid operation of micro-intervention injection of the shrimp and crab eye handles, has simple operation and remarkably improves the injection efficiency.
2. According to the shrimp and crab eye handle micro-intervention injection device, the adsorption injection part, the injection driving part and the injection control part can be mutually communicated by arranging the guide pipes, and the installation positions of the adsorption injection part, the injection driving part and the injection control part can be more flexibly arranged through the guide pipe connection, so that the use is more flexible.
3. According to the shrimp and crab eye handle micro-intervention injection device, the dosage adjusting screw is arranged on the rear end face of the cylinder cavity in a sealing manner, so that the injection dosage can be flexibly adjusted according to different injection dosage requirements, the shrimp and crab eye handle micro-intervention injection device can adapt to injection of shrimp and crab eye handles of various varieties, dosage injection errors caused by manual pushing of the injector are avoided, and the injection precision and the product adaptability are greatly improved.
4. According to the shrimp and crab eye handle micro-intervention injection device, the locking nut is matched with the dosage adjusting screw rod at the outer side of the end face of the cylinder cavity and is used for locking the dosage adjusting screw rod to achieve fixed and consistent injection dosage, and the dosage adjusting screw rod is prevented from being rotated by misoperation, so that the condition that the injection dosage of each time is not standard is caused.
Drawings
FIG. 1 is a schematic structural view of a shrimp and crab eye stem micro-intervention injection device of the invention;
FIG. 2 is a schematic view of the structure of the adsorption injection part;
FIG. 3 is a schematic view of the structure of the injection control section;
Fig. 4 is a schematic structural view of the injection driving section.
In the figure: 1-adsorption injection part, 101-adsorption cavity, 102-expansion bag, 103-injection needle, 104-needle return spring, 2-injection driving part, 201-injection cavity, 202-cylinder cavity, 203-three-way valve, 204-one-way valve, 205-injection piston, 206-cylinder piston, 207-piston connecting rod, 208-piston return spring, 209-high pressure air interface, 210-dose adjusting screw, 211-hand wheel, 212-locking nut, 3-injection control part, 301-valve block, 302-positive pressure valve hole, 303-negative pressure valve hole, 304-button column, 305-button return spring, 306-pressure release hole, 307-slide cover plate, 4-medicine liquid bin, 5-negative pressure aspiration pump, 6-high pressure inflator pump, 7-catheter and 8-air guide tube.
Detailed Description
The shrimp and crab eye stem micro-intervention injection device of the invention is described in more detail below by specific embodiments with reference to the accompanying drawings.
In the description of the present invention, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present invention and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Example 1:
The invention relates to a shrimp and crab eye handle micro-intervention injection device, which comprises an adsorption injection part 1, an injection driving part 2 and an injection control part 3; the adsorption injection part 1 is used for carrying out injection operation after the suction fixation of shrimp and crab type eye handles, the adsorption injection part 1 comprises an adsorption cavity 101, an expansion bag 102 and an injection needle 103, wherein the diameter of the adsorption cavity 101 is matched with that of the shrimp and crab type eye handles, the adsorption cavity 101 is externally connected with a negative pressure air pump 5 through an injection control part 3, the expansion bag 102 is fixedly arranged on the side wall of the adsorption cavity 101, the injection needle 103 is fixed on the side wall of the expansion bag 102, the injection end of the injection needle 103 extends out of the expansion bag 102, the tail end of the injection needle 103 is communicated with the injection driving part 2, the expansion bag 102 is externally connected with a high-pressure air pump 6 through the injection control part 3, the injection needle 103 is driven to penetrate into the shrimp and crab type eye handles after the expansion bag 102 is inflated, a needle reset spring 104 is arranged on one side of the expansion bag 102 of the adsorption injection part 1 and at the periphery of the tail of the injection needle 103, and the needle 103 can be quickly reset when the needle 103 is in a non-injection state.
The injection driving part 2 comprises an injection cavity 201 and a cylinder cavity 202 which are coaxially communicated and sealed, a three-way valve 203 communicated with the injection cavity 201 is arranged at the front end of the injection cavity 201, two ports of the three-way valve 203 are connected in series with a one-way valve 204, one port of the three-way valve 203 is externally connected with a liquid medicine bin 4, and the other port of the three-way valve 203 is communicated with an injection needle 103 through a liquid guide tube 7; an injection piston 205 and a cylinder piston 206 are respectively arranged in the injection cavity 201 and the cylinder cavity 202, and the two pistons are fixedly connected through a piston connecting rod 207; a piston return spring 208 is arranged on the periphery of a piston connecting rod 207 between the end of the injection cavity 201 and the cylinder piston 206, a high-pressure air interface 209 is communicated with the side wall of the end of the cylinder cavity 202 at the rear side of the cylinder piston 206, and the high-pressure air interface 209 is externally connected with the high-pressure inflator 6 through the injection control part 3.
The dose adjusting screw 210 is hermetically arranged on the rear end surface of the cylinder cavity 202, one end of the dose adjusting screw 210 positioned in the cylinder cavity 202 is used for limiting the cylinder piston 206, the other end of the dose adjusting screw 210 is fixedly provided with a hand wheel 211, and the dose adjusting screw 210 is cooperatively provided with a locking nut 212 for locking the dose adjusting screw 210 to achieve fixed consistent injection dose.
The injection control part 3 comprises a valve block 301, a positive pressure valve hole 302 and a negative pressure valve hole 303, the positive pressure valve hole 302 and the negative pressure valve hole 303 are arranged in the valve block 301 in parallel, the inlet of the positive pressure valve hole 302 is externally connected with a high-pressure inflator 6, the outlet of the positive pressure valve hole 302 is externally connected with an expansion bag 102 and a high-pressure air interface 209 of an injection driving part through an air duct 8, a button column 304 capable of switching the positive pressure valve hole 302 is arranged in the valve block 301 in a vertical positive pressure valve hole 302, and a button return spring 305 is arranged at the bottom of the button column 304; the inlet of the negative pressure valve hole 303 is externally connected with the adsorption cavity 101 through the air duct 8, the outlet of the negative pressure valve hole 303 is externally connected with the negative pressure air pump 5, a pressure release hole 306 is formed in a valve block 301 corresponding to the position of the negative pressure valve hole 303, a sliding cover plate 307 capable of opening and closing the pressure release hole is arranged on the valve block 301 at the pressure release hole 306 in a sliding manner, after the sliding cover plate 307 leaks out of the pressure release hole 306, negative pressure in the adsorption cavity 101 is disappeared, so that the negative pressure adsorption of shrimp and crab eye handles is interrupted, and otherwise, the adsorption operation is started.
The foregoing description of the exemplary embodiments of the invention is not intended to limit the scope of the invention, and any equivalent changes and modifications made by those skilled in the art without departing from the spirit and principles of the invention should be considered as falling within the scope of the invention.
Claims (7)
1. A shrimp crab eye handle micro-intervention injection device which is characterized in that: comprises an adsorption injection part, an injection driving part and an injection control part;
The adsorption injection part is used for carrying out injection operation after negative pressure adsorption fixation on shrimp and crab eye handles, the adsorption injection part comprises an adsorption cavity, an expansion bag and an injection needle, the adsorption cavity is externally connected with a negative pressure source through an injection control part, the expansion bag is fixedly arranged on the side wall of the adsorption cavity, the injection needle is fixed on the side wall of the expansion bag and can move back and forth along with the side wall of the expansion bag, the injection end of the injection needle extends out of the expansion bag, the tail end of the injection needle is communicated with the injection driving part, the expansion bag is externally connected with a positive pressure source through the injection control part, and the expansion bag drives the injection needle to penetrate into the shrimp and crab eye handles after being inflated;
the injection driving part is externally connected with a positive pressure source through the injection control part to provide injection driving; the injection control part is used for connecting or disconnecting the adsorption cavity with a negative pressure source and connecting the expansion bag and the injection driving part with a positive pressure source so as to start or stop adsorption and injection operations;
The injection driving part comprises an injection cavity and a cylinder cavity which are coaxially communicated and sealed, the front end of the injection cavity is provided with a three-way valve communicated with the injection cavity, two ports of the three-way valve are connected with one-way valves in series, one port of the three-way valve is externally connected with a liquid medicine bin, and the other port of the three-way valve is communicated with the injection needle; an injection piston and a cylinder piston are respectively arranged in the injection cavity and the cylinder cavity, and the two pistons are fixedly connected through a piston connecting rod; a piston return spring is arranged between the end part of the injection cavity and the air cylinder piston, and a high-pressure air interface is communicated with the side wall of the end part of the air cylinder cavity at the rear side of the air cylinder piston and is externally connected with a positive pressure source through an injection control part;
The injection control part comprises a valve block body, a positive pressure valve hole and a negative pressure valve hole, the positive pressure valve hole and the negative pressure valve hole are arranged in the valve block body in parallel, the inlet of the positive pressure valve hole is externally connected with a positive pressure source, the outlet of the positive pressure valve hole is externally connected with an expansion bag and an injection driving part, a button column capable of switching the positive pressure valve hole is arranged in the valve block body, and a button reset spring is arranged at the bottom of the button column; the negative pressure valve hole is externally connected with an adsorption cavity, the outlet of the negative pressure valve hole is externally connected with a negative pressure source, a pressure relief hole is formed in a valve block body corresponding to the position of the negative pressure valve hole, and a sliding cover plate capable of opening and closing the pressure relief hole is arranged on the valve block body at the pressure relief hole in a sliding mode.
2. The shrimp and crab eye stem micro-intervention injection device according to claim 1, wherein: a needle return spring is arranged on one side of the expansion bag of the adsorption injection part and on the periphery of the tail of the injection needle, and the needle return spring can enable the injection needle to retract and return rapidly in a non-injection state.
3. The shrimp and crab eye stem micro-intervention injection device according to claim 1, wherein: the dosage adjusting screw is arranged on the rear end face of the cylinder cavity in a sealing mode, one end of the dosage adjusting screw, located in the cylinder cavity, is used for limiting a cylinder piston, and a hand wheel is fixedly arranged at the other end of the dosage adjusting screw.
4. The shrimp and crab eye stem micro-intervention injection device according to claim 1, wherein: one port of the three-way valve is externally connected with a liquid medicine bin through a liquid guide pipe, and the other port of the three-way valve is communicated with an injection needle through the liquid guide pipe.
5. The shrimp and crab eye stem micro-intervention injection device according to claim 1, wherein: the outlet of the positive pressure valve hole is externally connected with an expansion bag and an injection driving part through an air duct; and the inlet of the negative pressure valve hole is externally connected with an adsorption cavity through an air duct.
6. A shrimp and crab eye stem micro-intervention injection device according to claim 3, wherein: and a locking nut is matched with the dosage adjusting screw rod at the outer side of the end surface of the cylinder cavity and is used for locking the dosage adjusting screw rod to achieve fixed and consistent injection dosage.
7. The shrimp and crab eye stem micro-intervention injection device according to any one of claims 1-6, wherein: the negative pressure source is a negative pressure air pump; the positive pressure source is a high pressure inflator pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910113662.2A CN109771077B (en) | 2019-02-14 | 2019-02-14 | Micro-intervention injection device for shrimp and crab eye handles |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910113662.2A CN109771077B (en) | 2019-02-14 | 2019-02-14 | Micro-intervention injection device for shrimp and crab eye handles |
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| Publication Number | Publication Date |
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| CN109771077A CN109771077A (en) | 2019-05-21 |
| CN109771077B true CN109771077B (en) | 2024-04-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910113662.2A Active CN109771077B (en) | 2019-02-14 | 2019-02-14 | Micro-intervention injection device for shrimp and crab eye handles |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115944368A (en) * | 2023-02-20 | 2023-04-11 | 都江堰市人民医院 | Nerve block needle capable of being operated by one hand and use method thereof |
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| WO2008079824A2 (en) * | 2006-12-20 | 2008-07-03 | Merial Limited | Multiple fluid delivery device for poultry |
| TW201119631A (en) * | 2009-12-08 | 2011-06-16 | Univ Nat Pingtung Sci & Tech | An injection method for shrimps |
| CN202288530U (en) * | 2011-10-17 | 2012-07-04 | 浙江大学舟山海洋研究中心 | Microinjection needle for shrimps and crabs |
| CN210009177U (en) * | 2019-02-14 | 2020-02-04 | 河南师范大学 | Trace intervention injection device for shrimp and crab eyestalks |
-
2019
- 2019-02-14 CN CN201910113662.2A patent/CN109771077B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19642496C1 (en) * | 1996-10-15 | 1998-04-23 | Jan Willem Marinus Ing Myers | Animal hypodermic syringe |
| WO2008079824A2 (en) * | 2006-12-20 | 2008-07-03 | Merial Limited | Multiple fluid delivery device for poultry |
| TW201119631A (en) * | 2009-12-08 | 2011-06-16 | Univ Nat Pingtung Sci & Tech | An injection method for shrimps |
| CN202288530U (en) * | 2011-10-17 | 2012-07-04 | 浙江大学舟山海洋研究中心 | Microinjection needle for shrimps and crabs |
| CN210009177U (en) * | 2019-02-14 | 2020-02-04 | 河南师范大学 | Trace intervention injection device for shrimp and crab eyestalks |
Non-Patent Citations (1)
| Title |
|---|
| 一种兽医无针注射器注射参数的测量;张晶声;金闻名;张旭;李娉;;中国兽药杂志(第01期);全文 * |
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| CN109771077A (en) | 2019-05-21 |
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