CN209154089U - Mouse tail vein injection device - Google Patents
Mouse tail vein injection device Download PDFInfo
- Publication number
- CN209154089U CN209154089U CN201820562851.9U CN201820562851U CN209154089U CN 209154089 U CN209154089 U CN 209154089U CN 201820562851 U CN201820562851 U CN 201820562851U CN 209154089 U CN209154089 U CN 209154089U
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- China
- Prior art keywords
- fixed
- fixed cylinder
- tail vein
- vein injection
- injection device
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Abstract
The utility model proposes a kind of mouse tail vein injection devices, including the fixed flapper of fixed cylinder, screw lid, neck and head fixed plate, wherein head fixed plate is fixed on the front end of fixed cylinder axially translatablely, and is located in fixed cylinder；The circumferential side wall of fixed cylinder is equipped with the flapper hole for the fixed flapper insertion of neck；The rear end of fixed cylinder is equipped with and the matched internal screw thread of screw lid, screw lid both ends open.In the present invention, the fixed flapper of neck by the side wall insertion in fixed cylinder for fixing mouse neck, and adjustable screw lid and head fixed plate are respectively set in the front-end and back-end of fixed cylinder, so as to which long according to mouse and body length adjusts fixed cylinder length, achieve the purpose that more preferably to fix mouse, so experiment higher to tail vein injection required precision is more applicable.
Description
Technical field
The utility model relates to medical instruments fields, and in particular to a kind of mouse tail vein injection device.
Background technique
Mouse tail vein injection device in the prior art cannot well according to Mice Body it is long adjust fixed cylinder length or
Mouse is fixed according only to mouse size limit mouse scope of activities, often causes mouse solid because mouse body pliability is larger
It is fixed bad.
Utility model content
In order to solve the above technical problems, the utility model proposes mouse tail vein injection device, including fixed cylinder, spiral
The fixed flapper of lid, neck and head fixed plate, wherein head fixed plate is fixed on the front end of fixed cylinder axially translatablely,
And it is located in fixed cylinder；The circumferential side wall of fixed cylinder is equipped with the flapper hole for the fixed flapper insertion of neck；The rear end of fixed cylinder
Equipped with the matched internal screw thread of screw lid, screw lid both ends open.
Preferably, in the mouse tail vein injection device, the front end face center of the fixed cylinder is connected by fixed frame
It is connected to threaded hole, threaded rod is bolted in threaded hole, one end that threaded rod is located at fixed cylinder connects the head fixed plate.
Preferably, in the mouse tail vein injection device, the threaded rod is equipped with through hole, through hole along axis
Connect atomizer.
Preferably, in the mouse tail vein injection device, the middle part of the head fixed plate is equipped with and mouse mouth
The taper cover that portion matches, side is equipped with rubber resistant layer in cone-shaped hood body, and taper cover is equipped with breathable mesh.
Preferably, in the mouse tail vein injection device, retaining is respectively equipped on the screw lid and threaded rod
Component.
Preferably, in the mouse tail vein injection device, the retaining component is to bundle or be fixed on screw lid
With the rubber strip on threaded rod.
Preferably, in the mouse tail vein injection device, the retaining component includes two closed up by elasticity
The only necking that lobed slotted vane make-up is formed, the sum of groove depth of two lobed slotted vanes are less than the outer diameter of screw lid or threaded rod.
Preferably, in the mouse tail vein injection device, the lobed slotted vane connects with away from the side of only necking
Compressor arm is connect, for compressor arm by being connected perpendicular to the shaft of fixed cylinder axis with fixed cylinder, compressor arm is equipped with elastic bending part, bullet
Property bending part is fastened in the card slot of fixed cylinder lateral wall.
Preferably, in the mouse tail vein injection device, the fixed flapper section of the neck is in concave shape, neck
Fixed flapper is arc-shaped；Flapper hole is located at the 1/3 of fixed cylinder front end or 1/4.
Preferably, in the mouse tail vein injection device, the corresponding fixed cylinder lateral wall in the flapper hole
Region is equipped with external screw thread, and is set on external screw thread there are two nut.
Compared with prior art, the utility model has the beneficial effects that being embedded in by the side wall in fixed cylinder small for fixing
The fixed flapper of the neck of mouse neck, and adjustable screw lid and head is respectively set in the front-end and back-end of fixed cylinder and fixes
Plate achievees the purpose that more preferably to fix mouse so as to adjust fixed cylinder length according to mouse is long and body is long, so it is quiet to tail
The more demanding experiment of arteries and veins injection precision is more applicable.
Detailed description of the invention
Fig. 1 is the overall structure diagram of mouse mainline device；
Fig. 2 is the top view of fixed cylinder；
Fig. 3 is the main view of the fixed flapper of neck；
Fig. 4 is the right view of fixed cylinder front end.
In figure: the fixed flapper of 1- fixed cylinder, 2- screw lid, 3- neck, the head 4- fixed plate, 11- flapper hole, 12- are fixed
Frame, 13- threaded hole, 14- threaded rod, 15- card slot, 16- external screw thread, 17- nut, 18- internal screw thread, 41- taper cover, 42- are saturating
Gas mesh, 51- lobed slotted vane, 52- compressor arm, 53- shaft, 54- elastic bending part, 6- through hole.
Specific embodiment
It is described in more detail below in conjunction with mouse tail vein injection device of the schematic diagram to the utility model, wherein
Illustrate the preferred embodiment of the utility model, it should be appreciated that those skilled in the art can modify described herein it is practical new
Type, and still realize the advantageous effects of the utility model.Therefore, following description should be understood as those skilled in the art
It is widely known, and be not intended as limitations of the present invention.
Referring to fig. 1 to fig. 4.
As shown in Figure 1, mouse tail vein injection device includes that fixed cylinder 1, screw lid 2, the fixed flapper 3 of neck and head are solid
Fixed board 4.
Head fixed plate 4 is fixed on the front end of fixed cylinder 1 axially translatablely, and is located in fixed cylinder 1.Specifically,
The front end face center of fixed cylinder 1 is connected with threaded hole 13 by fixed frame 12, and threaded rod 14, threaded rod 14 are bolted in threaded hole 13
The head fixed plate 4 is connected positioned at one end of fixed cylinder 1, so as to deep according to the long screw-in for adjusting threaded rod 14 of mouse
Degree, so that head fixed plate 4 is preferably fixed mouse head.Wherein, the middle part of head fixed plate 4 is equipped with and mouse mouth
The taper cover 41 that portion matches, 41 medial surface of taper cover are equipped with rubber resistant layer, can be improved the fixed stably of mouse head
It is qualitative, taper cover 41 be equipped with breathable mesh 42, meanwhile, between the support rod of fixed frame 12 be equipped with window so that fixed cylinder 1
Inside is in communication with the outside, so that air frees in and out fixing internal, so that mouse be made freely to breathe.As a preferred embodiment, spiral shell
Rasp bar 14 can open up through hole 6 along axis, and through hole 6 connects atomizer (not shown go out), so as to right by through hole 6
Mouse carries out nebulisation operation.
The circumferential side wall of fixed cylinder 1 is equipped with the flapper hole 11 being embedded in for the fixed flapper 3 of neck, as shown in Figure 2；Fixed cylinder
1 rear end is equipped with and the matched internal screw thread 18 of screw lid 2,2 both ends open of screw lid, to make mouse tail be pierced by screw lid 2
To carry out tail vein injection.Wherein, as shown in figure 3, fixed 3 section of flapper of neck is in concave shape, the fixed flapper 3 of neck is in arc
Shape, the fixed flapper 3 of neck passes through 11 inlay card of flapper hole in mouse neck, realizes the fixation to mouse neck, under normal circumstances, living
Film perforation 11 is located at the 1/3 or 1/4 of 1 front end of fixed cylinder.
As a preferred embodiment, external screw thread 16 is arranged in the corresponding 1 outside wall region of fixed cylinder in flapper hole 11, and outer
Nut 17 there are two being set on screw thread 16, as shown in Figure 1.After the fixed flapper 3 of neck is embedded in flapper hole 11, upper and lower ends expose outside solid
1 lateral wall of safety barrel, and clamped by two nuts 17 and realize fastening, preferably mouse neck can be fixed, and can root
According to the embedded location of the fixed flapper 3 of neck length adjustment neck of different mouse.
Since mouse activity may cause screw lid 2 and threaded rod 14 exits fixed cylinder 1, screw lid 2 and threaded rod outward
It is respectively equipped with retaining component on 14, for preventing the positional shift of the screw lid 2 adjusted and head fixed plate 4, influences small
Tail vein injection.The retaining component can be not shown out for binding or the rubber strip being fixed on screw lid 2 and threaded rod 14.
As a preferred embodiment, as shown in Figure 1, retaining component includes by two lobed slotted vanes 51 closing up of elasticity to being buckled in
The only necking formed on screw lid 2 or threaded rod 14, the sum of groove depth of two lobed slotted vanes 51 are less than screw lid 2 or threaded rod 14
Outer diameter.Lobed slotted vane 51 connect compressor arm 52 with away from the side of only necking, and compressor arm 52 passes through perpendicular to 1 axis of fixed cylinder
Shaft 53 be connected with fixed cylinder 1, compressor arm 52 is equipped with elastic bending part 54, and elastic bending part 54 is fastened on the outside of fixed cylinder 1
In the card slot 15 of wall.When needing to adjust screw lid 2 or threaded rod 14, elastic bending part 54 is unclamped from fixed cylinder 1, then is stopped
Necking disappears to the axial direction stopping power of screw lid 2 or threaded rod 14, can rotate freely screw lid 2 or threaded rod 14 in fixed cylinder
Position on 1；It is fulcrum with shaft 53 after screw lid 2 or threaded rod 14 rotate to suitable location, is pressed to 1 center of fixed cylinder
It closes elastic bending part 54 and is fastened in the card slot 15 of 1 lateral wall of fixed cylinder, so that only spiral shell firmly will be pressed together on necking
On the lateral wall of spiral cover 2 or threaded rod 14, to effectively prevent the position of the screw lid 2 adjusted and head fixed plate 4 inclined
It moves.
The application method of the mouse tail vein injection device:
Mouse head and body are put into fixed cylinder 1, and according to the long adjusting screw rod screw-in depth of mouse so that head
Fixed plate 4 is in suitable location, so that in mouse mouth insertion taper cover 41；Mouse tail is pierced by by screw lid 2, and root
According to the long screw-in depth for adjusting screw lid 2 of Mice Body so that screw lid 2 is in suitable location；Finally according to mouse neck length, pass through
The fixed flapper 3 of two nuts 17 adjustment neck on 1 lateral wall of fixed cylinder is in the fixation position of 1 axial direction of fixed cylinder.
In the present invention, it can be equipped with firm banking below the fixed cylinder 1 of the mouse tail vein injection device, with side
Just the placement of fixed cylinder 1.
To sum up, in mouse tail vein injection device provided by the embodiment of the utility model, pass through the side wall in fixed cylinder
It is embedded in the fixed flapper of neck for fixing mouse neck, and adjustable spiral shell is respectively set in the front-end and back-end of fixed cylinder
Spiral cover and head fixed plate reach more preferable fixed mouse so as to which long according to mouse and body length adjusts fixed cylinder length
Purpose, so experiment higher to tail vein injection required precision is more applicable.
The preferred embodiment that above are only the utility model, does not play the role of any restrictions to the utility model.
Any person of ordinary skill in the field, in the range of not departing from the technical solution of the utility model, to the utility model
The technical solution and technology contents of exposure make the variation such as any type of equivalent replacement or modification, belong to without departing from the utility model
Technical solution content, still fall within the protection scope of the utility model.
Claims (10)
1. a kind of mouse tail vein injection device, which is characterized in that including fixed cylinder (1), screw lid (2), the fixed flapper of neck
(3) and head fixed plate (4), wherein head fixed plate (4) is fixed on the front end of fixed cylinder (1), and position axially translatablely
In fixed cylinder (1)；The circumferential side wall of fixed cylinder (1) is equipped with the flapper hole (11) for neck fixed flapper (3) insertion；It is fixed
The rear end of cylinder (1) is equipped with and screw lid (2) matched internal screw thread (18), screw lid (2) both ends open.
2. mouse tail vein injection device according to claim 1, which is characterized in that the front end face of the fixed cylinder (1)
Center is connected with threaded hole (13) by fixed frame (12), is bolted with threaded rod (14) in threaded hole (13), threaded rod (14) is located at
One end of fixed cylinder (1) connects the head fixed plate (4).
3. mouse tail vein injection device according to claim 2, which is characterized in that the threaded rod (14) sets along axis
Have through hole (6), through hole (6) connects atomizer.
4. mouse tail vein injection device according to claim 2, which is characterized in that in the head fixed plate (4)
Portion is equipped with the taper cover (41) to match with mouse mouth, and taper cover (41) medial surface is equipped with rubber resistant layer, cone-shaped hood
Body (41) is equipped with breathable mesh (42).
5. mouse tail vein injection device according to claim 2, which is characterized in that the screw lid (2) and threaded rod
(14) retaining component is respectively equipped on.
6. mouse tail vein injection device according to claim 5, which is characterized in that the retaining component is for binding or admittedly
Rubber strip on screw lid (2) and threaded rod (14).
7. mouse tail vein injection device according to claim 5, which is characterized in that the retaining component includes by elasticity
The only necking that two lobed slotted vane (51) make-ups closed up are formed, the sum of groove depth of two lobed slotted vanes (51) are less than screw lid
(2) or the outer diameter of threaded rod (14).
8. mouse tail vein injection device according to claim 7, which is characterized in that the lobed slotted vane (51) with deviate from
Only the side of necking connects compressor arm (52), and compressor arm (52) is by the shaft (53) perpendicular to fixed cylinder (1) axis and fixes
Cylinder (1) is connected, and compressor arm (52) is equipped with elastic bending part (54), and elastic bending part (54) is fastened on fixed cylinder (1) lateral wall
In card slot (15).
9. mouse tail vein injection device according to claim 1, which is characterized in that the neck fixed flapper (3) is cut
Face is in concave shape, and neck fixed flapper (3) is arc-shaped；Flapper hole (11) is located at the 1/3 or 1/4 of fixed cylinder (1) front end.
10. mouse tail vein injection device according to claim 1, which is characterized in that the institute of the flapper hole (11) is right
Wall region is equipped with external screw thread (16) on the outside of the fixed cylinder (1) answered, and sets that there are two nut (17) on external screw thread (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820562851.9U CN209154089U (en) | 2018-04-19 | 2018-04-19 | Mouse tail vein injection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820562851.9U CN209154089U (en) | 2018-04-19 | 2018-04-19 | Mouse tail vein injection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209154089U true CN209154089U (en) | 2019-07-26 |
Family
ID=67326426
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820562851.9U Active CN209154089U (en) | 2018-04-19 | 2018-04-19 | Mouse tail vein injection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209154089U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111449795A (en) * | 2020-05-08 | 2020-07-28 | 中南大学湘雅医院 | Mouse tail intravenous route auxiliary device |
-
2018
- 2018-04-19 CN CN201820562851.9U patent/CN209154089U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111449795A (en) * | 2020-05-08 | 2020-07-28 | 中南大学湘雅医院 | Mouse tail intravenous route auxiliary device |
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