CN209075022U - A kind of mouse tail vein injection needle - Google Patents
A kind of mouse tail vein injection needle Download PDFInfo
- Publication number
- CN209075022U CN209075022U CN201821279977.1U CN201821279977U CN209075022U CN 209075022 U CN209075022 U CN 209075022U CN 201821279977 U CN201821279977 U CN 201821279977U CN 209075022 U CN209075022 U CN 209075022U
- Authority
- CN
- China
- Prior art keywords
- needle
- injection needle
- mouse tail
- tail vein
- plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model relates to injection needle technical fields, in particular a kind of mouse tail vein injection needle, including needle tubing and needle guard, the surface of insulin syringe needle is provided with injection needle, puncture plate is internally provided with groove, positioning plate is internally provided with sponge block, the mouse tail vein injection needle, insulin syringe needle and needle tubing are combined, so that single unit system is at low cost, construction is simple, and mouse tail can be punctured by the injection needle of 31G specification, improve the success rate of injection, when injection needle punctures the groove for puncturing plate, it punctures and is tilted on the outside of plate, and then it is interference fitted with needle guard, improve whole sealing effect, the medical fluid of sponge block absorption injection wire surface is utilized simultaneously, so that injection needle dry tack free, avoid the occurrence of syringe needle exposure in air, the phenomenon that becoming easily infected by bacterium, so that whole can reuse.
Description
Technical field
The utility model relates to injection needle technical field, specially a kind of mouse tail vein injection needle.
Background technique
When doing transfection experiment in Mice Body, when especially doing the tissue such as liver, kidney, frequently with the mode of tail vein injection.
Due to the small volume of mouse tail, when being injected intravenously, syringe needle require it is very high, and now there is no dedicated for
The injection needle of mouse tail vein injection causes mouse tail vein injection difficult, and failure rate is higher, while after injection, syringe needle exposure
In air, bacterium is becomed easily infected by, can not be reused.In consideration of it, it is proposed that a kind of mouse tail vein injection needle.
Utility model content
The purpose of this utility model is to provide a kind of mouse tail vein injection needles, to solve to propose in above-mentioned background technique
Mouse tail vein injection it is difficult, the problem of failure rate is higher and syringe needle exposure becomes easily infected by bacterium in air.
To achieve the above object, the utility model provides the following technical solutions:
A kind of mouse tail vein injection needle, including needle tubing and needle guard, one end of the needle tubing is provided with stressed plate, described
The other end of needle tubing is provided with connector, and one end of the connector is provided with sheet rubber, and the needle tubing is close to the connector
Side is provided with insulin syringe needle, and the surface of the insulin syringe needle is provided with connecting tube, and the insulin needle head rest is closely described
Connecting tube side is provided with card slot, and the surface of the insulin syringe needle is provided with injection needle, and the inside of the insulin syringe needle is set
It is equipped with slot, the outer wall of the insulin syringe needle is provided with fixed column, and the needle tubing is internally provided with push rod, the push rod
One end is provided with piston head, and the other end of the push rod is provided with push plate.
Preferably, the connector and the slot are in truncated cone-shaped.
Preferably, the connector and the slot are mating.
Preferably, the connecting tube is hollow structure, and the both ends of the connecting tube are opening.
Preferably, the needle guard is provided with connecting band close to the needle tubing side, and one end of the connecting band is provided with card
Ring, the needle guard are internally provided with spring, backing plate are provided at the top of the spring, and the surface of the backing plate is provided with positioning
Plate, is provided with puncture plate at the top of the positioning plate, it is described puncture plate be internally provided with groove, the inside of the positioning plate is set
It is equipped with sponge block.
Preferably, the needle guard and the injection needle are mating.
Preferably, the snap ring and the fixed column are engaged by clamping.
Compared with prior art, the utility model has the beneficial effects that
1, the mouse tail vein injection needle combines insulin syringe needle and needle tubing, so that single unit system is at low cost, construction letter
Easily, and by the injection needle of 31G specification mouse tail can be punctured, improves the success rate of injection.
2, the mouse tail vein injection needle when injection needle punctures the groove for puncturing plate, is punctured and is tilted on the outside of plate, and then and needle
Set interference fit improves whole sealing effect, while using the medical fluid of sponge block absorption injection wire surface, so that injection needle table
The phenomenon that face is dry, avoids the occurrence of syringe needle exposure in air, becomes easily infected by bacterium, so that whole can reuse.
Detailed description of the invention
Fig. 1 is overall structure of the explosion figure in the embodiments of the present invention 1；
Fig. 2 is the insulin syringe needle schematic diagram of internal structure of the utility model；
Fig. 3 is overall structure of the explosion figure in the embodiments of the present invention 2；
Fig. 4 is the needle guard Structure explosion diagram of the utility model；
Fig. 5 is the puncture plate structural schematic diagram of the utility model；
Fig. 6 is the positioning plate structure schematic diagram of the utility model.
In figure: 1, needle tubing；11, stressed plate；12, connector；13, sheet rubber；2, insulin syringe needle；21, connecting tube；22,
Card slot；23, injection needle；24, slot；25, fixed column；3, push rod；31, piston head；32, push plate；4, needle guard；41, connecting band；
42, snap ring；43, spring；44, backing plate；45, positioning plate；46, plate is punctured；47, groove；48, sponge block.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", " length ", " width
Degree ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside",
The orientation or positional relationship of the instructions such as " clockwise ", " counterclockwise " be based on the orientation or positional relationship shown in the drawings, be only for
Convenient for description the utility model and simplify description, rather than the equipment of indication or suggestion meaning or element must have specifically
Orientation is constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.
Embodiment 1
A kind of mouse tail vein injection needle, as depicted in figs. 1 and 2, including needle tubing 1 and needle guard 4, one end of needle tubing 1 are set
It is equipped with stressed plate 11, the other end of needle tubing 1 is provided with connector 12, and one end of connector 12 is provided with sheet rubber 13, and needle tubing 1 leans on
Nearly 12 side of connector is provided with insulin syringe needle 2, and the surface of insulin syringe needle 2 is provided with connecting tube 21, and insulin syringe needle 2 leans on
Nearly 21 side of connecting tube is provided with card slot 22, and the surface of insulin syringe needle 2 is provided with injection needle 23, the inside of insulin syringe needle 2
It is provided with slot 24, the outer wall of insulin syringe needle 2 is provided with fixed column 25, and needle tubing 1 is internally provided with push rod 3, and the one of push rod 3
End is provided with piston head 31, and the other end of push rod 3 is provided with push plate 32, and connector 12 and slot 24 are in truncated cone-shaped, connection
First 12 and slot 24 it is mating, connecting tube 21 be hollow structure, and the both ends of connecting tube 21 be opening.
In the present embodiment, needle tubing 1 is made of medical PVC material, and the volume of needle tubing 1 is 1ml, so that 1 material of needle tubing
Environmental protection, and volume is suitble to mouse tail vein injection.
It further, is hollow structure inside insulin syringe needle 2, and injection needle 23 runs through insulin syringe needle 2, and is inserted into
Into sheet rubber 13, so that injection needle 23 is connected to needle tubing 1, and integral sealing effect is good.
Specifically, injection needle 23 is the injection needle of 31G specification, diameter 0.25mm is convenient for so that 23 diameter of injection needle is thin
It is punctured.
Embodiment 2
Bacterium is becomed easily infected by order to solve syringe needle exposure in air as second of embodiment of the utility model,
The problem of can not reusing, in consideration of it, needle guard 4 is arranged in the present invention staff, as shown in Figures 3 to 6, needle guard 4 is close to needle tubing 1 one
Side is provided with connecting band 41, and one end of connecting band 41 is provided with snap ring 42, and needle guard 4 is internally provided with spring 43, spring 43
Top is provided with backing plate 44, and the surface of backing plate 44 is provided with positioning plate 45, and the top of positioning plate 45, which is provided with, punctures plate 46, punctures
Plate 46 is internally provided with groove 47, and positioning plate 45 is internally provided with sponge block 48, and needle guard 4 and injection needle 23 are mating,
Snap ring 42 and fixed column 25 are engaged by clamping.
In the present embodiment, connecting band 41 is made of elastical cloth material, and material has good elasticity, is convenient for needle guard 4
It is fixed on 2 surface of insulin syringe needle.
Further, needle guard 4 and card slot 22 are mating, are stuck in card slot 22 convenient for needle guard 4, so that needle guard 4 is fixed on
2 surface of insulin syringe needle.
It is made specifically, puncturing 46 overall material medical silica-gel material of plate, material has good elasticity, convenient for injection
The puncture of needle 23, which enters, to be punctured in plate 46.
During installation, connector 12 is inserted into slot 24 for the mouse tail vein injection needle of the utility model, and will be even
Connector 12 compresses slot 24, so that connector 12 is stuck in inside slot 24, and injection needle 23 punctures sheet rubber 13 and enters needle tubing 1
It is interior, integral installation is completed, when injection, first by air emptying needle tubing 1 inside, and medical fluid is drawn by needle tubing by injection needle 23
In 1, then injection needle 23 is pierced into the tendon and vessel of mouse tail, is injected intravenously, the device is by insulin syringe needle 2 and needle tubing
1 combines, so that single unit system is at low cost, construction is simple, and can be worn to mouse tail by the injection needle of 31G specification 23
Thorn, improves the success rate of injection；
After use, needle guard 4 is nested into 23 surface of injection needle, and needle guard 4 is made to be inserted into card slot 22, at this time by snap ring
42 are stuck in 25 surface of fixed column, using the elasticity of connecting band 41, so that needle guard 4 is fixed on 23 surface of injection needle, and injection needle 23
The groove 47 for puncturing plate 46 is punctured, due to the structure of groove 47 itself, convenient for the puncture of injection needle 23, and to puncture outside plate 46
Side tilts, and then is interference fitted with needle guard 4, improves whole sealing effect, when injection needle 23 is pierced into the sponge block of positioning plate 45
When 48, sponge block 48 adsorbs the medical fluid on 23 surface of injection needle, so that 23 dry tack free of injection needle, and backing plate 44 presses to spring 43,
So that spring 43 is shunk, until injection needle 23 is completely into syringe needle exposure in needle guard 4, is avoided the occurrence of in air, it is easy to be stained with
The phenomenon that contaminating bacterium, so that whole can reuse.
Basic principles, main features, and advantages of the present invention has been shown and described above.Current row
The technical staff of industry is described in above embodiments and description it should be appreciated that the present utility model is not limited to the above embodiments
Be only the utility model preference, be not intended to limit the utility model, do not departing from the spirit and scope of the utility model
Under the premise of, the utility model also has various changes and improvements, these changes and improvements both fall within claimed it is practical
In novel range.The protection scope of the present invention is defined by the appended claims and their equivalents.
Claims (7)
1. a kind of mouse tail vein injection needle, including needle tubing (1) and needle guard (4), it is characterised in that: the one of the needle tubing (1)
End is provided with stressed plate (11), and the other end of the needle tubing (1) is provided with connector (12), and one end of the connector (12) is set
It is equipped with sheet rubber (13), the needle tubing (1) is provided with insulin syringe needle (2), the pancreas islet close to the connector (12) side
The surface of plain syringe needle (2) is provided with connecting tube (21), and the insulin syringe needle (2) is provided with close to the connecting tube (21) side
The surface of card slot (22), the insulin syringe needle (2) is provided with injection needle (23), the inside setting of the insulin syringe needle (2)
Have slot (24), the outer wall of the insulin syringe needle (2) is provided with fixed column (25), and being internally provided with for needle tubing (1) pushes away
One end of bar (3), the push rod (3) is provided with piston head (31), and the other end of the push rod (3) is provided with push plate (32).
2. mouse tail vein injection needle according to claim 1, it is characterised in that: the connector (12) and it is described insert
Slot (24) is in truncated cone-shaped.
3. mouse tail vein injection needle according to claim 1, it is characterised in that: the connector (12) and the slot
(24) mating.
4. mouse tail vein injection needle according to claim 1, it is characterised in that: the connecting tube (21) is hollow knot
Structure, and the both ends of the connecting tube (21) are opening.
5. mouse tail vein injection needle according to claim 1, it is characterised in that: the needle guard (4) is close to the needle tubing
(1) side is provided with connecting band (41), and one end of the connecting band (41) is provided with snap ring (42), the inside of the needle guard (4)
It is provided with spring (43), is provided with backing plate (44) at the top of the spring (43), the surface of the backing plate (44) is provided with positioning
Plate (45) is provided at the top of the positioning plate (45) and punctures plate (46), it is described puncture plate (46) be internally provided with groove
(47), the positioning plate (45) is internally provided with sponge block (48).
6. mouse tail vein injection needle according to claim 5, it is characterised in that: the needle guard (4) and the injection needle
(23) mating.
7. mouse tail vein injection needle according to claim 5, it is characterised in that: the snap ring (42) and the fixed column
(25) it is engaged by clamping.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821279977.1U CN209075022U (en) | 2018-08-09 | 2018-08-09 | A kind of mouse tail vein injection needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821279977.1U CN209075022U (en) | 2018-08-09 | 2018-08-09 | A kind of mouse tail vein injection needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209075022U true CN209075022U (en) | 2019-07-09 |
Family
ID=67114555
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821279977.1U Expired - Fee Related CN209075022U (en) | 2018-08-09 | 2018-08-09 | A kind of mouse tail vein injection needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209075022U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112472352A (en) * | 2020-12-09 | 2021-03-12 | 柯贤良 | Handheld anesthesia injector for mammal experiment and injection method |
-
2018
- 2018-08-09 CN CN201821279977.1U patent/CN209075022U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112472352A (en) * | 2020-12-09 | 2021-03-12 | 柯贤良 | Handheld anesthesia injector for mammal experiment and injection method |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190709 Termination date: 20200809 |