CN209360983U - Simple machine for zoopery perfusion - Google Patents
Simple machine for zoopery perfusion Download PDFInfo
- Publication number
- CN209360983U CN209360983U CN201721510448.3U CN201721510448U CN209360983U CN 209360983 U CN209360983 U CN 209360983U CN 201721510448 U CN201721510448 U CN 201721510448U CN 209360983 U CN209360983 U CN 209360983U
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- CN
- China
- Prior art keywords
- needle
- syringe
- straight tube
- perfusion
- zoopery
- 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.)
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Abstract
The utility model provides a kind of simple machine for zoopery perfusion, is related to biological experiment equipment technical field.The equipment includes syringe needle, straight tube and syringe；Syringe needle includes needle tubing, circular baffle plate, needle hub；The head of needle tubing is tack needle point, and the tail portion of needle tubing is arranged with needle hub；Circular baffle plate is movably set on needle tubing outer wall；Straight tube successively includes straight tube tube head, straight tube tube body and straight tube pipe tail；Straight tube tube head has the structure being adapted with needle hub, and can closely be entrenched in needle hub；Straight tube pipe tail is closely to connect syringe.For example and without limitation, scheme provided by the utility model, the beneficial effect is that: depth of needle can be regulated and controled by the setting of circular baffle plate, reduced using tack needle to damage to cardiac tissue；Falling off for syringe needle is effectively prevented using straight tube conveying perfusion liquid；Peristaltic pump is substituted using syringe, and the speed of injection can be adjusted according to scale；It is easy to assembly, it is easy to use.
Description
Technical field
The utility model belongs to biological experiment equipment technical field more particularly to a set of letter for zoopery perfusion
Easy equipment.
Background technique
Perfusion fixation is blood circulation in a kind of removing animal body, and tissue is made to save the knot close to life state as far as possible
Structure, fixed intracellular various composition, avoiding after death itself enzyme decomposition from self-dissolving or external microbe intrusion breeding occur causes carefully
The ultra microstructure of born of the same parents is widely used in the scientific research of the nervous system disease by a kind of infrastest method destroyed.In general,
The perfusion fixation of experimental animal is first will to open chest after Animal Anesthesia, exposes heart, catheter needle is then inserted into left ventricle, simultaneously
Right auricle of heart is broken, the physiological saline for first filling close with the weight of animals volume rinses the blood in body circulation, generally with from the right side
The limpid liquid of auricle outflow is standard, 4% paraformaldehyde of rear re perfusion volume close with the weight of animals, entire perfusion fixation
Process just complete.
Currently, the common catheter needle in laboratory is the disposable vein blood taking needle clinically used, the vein blood taking needle
The inclined-plane of needle point Duan Weiyue 3mm, because the left ventricle capacity of mouse is small, is easily pricked deeply simultaneously though being easier inserting needle blood vessel
Penetrate left ventricle and enter right ventricle to causing pulmonary circulation to be perfused, show as the swelling that lung is filled and whiten, and body circulation then without
Effectively perfusion.If crossing shallow inserting needle, it is likely that cause the syringe needle inserting needle on inclined-plane incomplete, perfusion liquid is caused not enter ventricle, portion entirely
It exceptionally flows incomplete so as to cause being perfused.Secondly, the bending shape of vein blood taking needle hose so that syringe needle after being inserted into left ventricle again
It easily spins, so that needle position be caused to change or fall off from heart.Inserting needle again is often difficult to find at original inserting needle,
Many places inserting needle mouth caused by so, part perfusion liquid will flow out directly at other needle mouths when perfusion.
Utility model content
The purpose of this utility model is that overcome the deficiencies in the prior art, solves the defect of clinically existing catheter needle, mentions
For a kind of simple machine for zoopery perfusion, the controllable depth of needle of the equipment effectively holds inserting needle accuracy, and energy
It reduces to damage to cardiac tissue, and operation is convenient.
In order to achieve the above objectives, the utility model provides following technical solution:
A kind of simple machine for zoopery perfusion, it is characterised in that: including syringe needle, straight tube and syringe；It is described
Syringe needle includes needle tubing, circular baffle plate, needle hub；The head of the needle tubing is tack needle point, and the tail portion of needle tubing is arranged with syringe needle
Interface；The circular baffle plate is movably set on needle tubing outer wall；The straight tube successively include straight tube tube head, straight tube tube body and
Straight tube pipe tail；The straight tube tube head has the structure being adapted with needle hub, and can closely be entrenched in needle hub；Institute
State head of the straight tube pipe tail closely to connect syringe.
Preferably, screw thread is provided on the outer wall of the needle tubing；The spiral shell with needle tubing outer wall is offered in the circular baffle plate
The threaded hole that line matches；The circular baffle plate is movably set on the screw thread of needle tubing outer wall by the threaded hole.
Preferably, the distance of the starting point anomaly scalp acupuncture point of the screw thread is 4mm-5mm.
Further preferably, the distance of the starting point anomaly scalp acupuncture point of the screw thread is 3mm.
Further, the syringe includes syringe interface, injector syringe and piston component；The syringe interface position
It is connected in the head of injector syringe, and with injector syringe；And the syringe interface have with straight tube pipe tail be adapted
Structure, and can closely be entrenched in straight tube pipe tail；The piston component has the ruler adaptable with the internal diameter of injector syringe
It is very little, it is packed into injector syringe from the tail portion of injector syringe, and can be moved in injector syringe.
Preferably, the injector syringe is transparent, and is provided with scale on its outer wall.
The above technical scheme that the utility model uses for example and without limitation, has following compared with prior art
The utility model has the advantages that (one) can regulate and control depth of needle by the setting of circular baffle plate, is reduced using tack needle and heart tissue is damaged
Wound；(2) falling off for syringe needle is effectively prevented using straight tube conveying perfusion liquid；(3) peristaltic pump is substituted using syringe, and can be with
The speed of injection is adjusted according to scale；(4) easy to assembly, it is easy to use.
Detailed description of the invention
Fig. 1 is the schematic diagram of the simple machine described in the utility model for zoopery perfusion；
Fig. 2 is the schematic diagram of syringe needle described in the utility model；
Fig. 3 is the schematic diagram of straight tube described in the utility model；
Fig. 4 is the schematic diagram of syringe described in the utility model.
Description of symbols
1 syringe needle, 11 needle tubings, 12 circular baffle plates, 13 needle hubs, 14 screw threads；
2 straight tubes, straight tube tube head 21, straight tube tube body 22, straight tube pipe tail 23；
3 syringes, syringe interface 31, injector syringe 32, piston component 33.
Specific embodiment
Below in conjunction with specific embodiment and its attached drawing to provided by the utility model for the simple of zoopery perfusion
The technical solution of equipment is described further.In conjunction with following explanation, will be apparent from feature the advantages of the utility model.
It should be noted that the embodiments of the present invention have preferable implementation, it is not any to the utility model
The restriction of form.The combination of technical characteristic or technical characteristic described in the utility model embodiment is not construed as orphan
Vertical, they can be combined with each other to reach superior technique effect.The range of the preferred embodiments of the present invention
It may include other realization, and this should be understood by the utility model embodiment person of ordinary skill in the field.
Technology, method and apparatus known to person of ordinary skill in the relevant may be not discussed in detail, but suitable
In the case of, the technology, method and apparatus should be considered as authorizing part of specification.Institute that is shown here and discussing
Have in example, any occurrence should be construed as merely illustratively, not as restriction.Therefore, exemplary embodiment
Other examples can have different values.
The attached drawing of the utility model is all made of very simplified form and using non-accurate ratio, only to it is convenient,
The purpose for lucidly aiding in illustrating the utility model embodiment is not to limit the enforceable qualifications of the utility model.Appoint
What modification of structure, the change of proportionate relationship or adjustment of size, is not influencing the effect and institute that the utility model can be generated
Under the purpose that can reach, it should all fall in the range of the revealed technology contents of the utility model can cover.And this is practical new
Identical label appeared in each attached drawing of type represents identical feature or component, can be apply to different embodiments.
The utility model provides a kind of simple machine for zoopery perfusion.
As shown in Figure 1, the simple machine for being used for zoopery perfusion includes syringe needle 1, straight tube 2 and syringe 3.
Further, as shown in Fig. 2, syringe needle 1 includes needle tubing 11, circular baffle plate 12, needle hub 13.Wherein, needle tubing 11
Head is tack needle point, is provided with screw thread 14 on the outer wall of needle tubing 11, the tail portion of needle tubing 11 is arranged with needle hub 13；Circle gear
The threaded hole to match with the screw thread 14 of 11 outer wall of needle tubing is offered in plate 12, circular baffle plate 12 passes through the threaded hole movably
It is set on the screw thread 14 of 11 outer wall of needle tubing, it can be deep to control inserting needle by adjusting position of the round veneer 12 on screw thread 14
It spends (11 length of needle tubing before circular baffle plate 12 is inserting needle degree).
In a preferred embodiment, the starting point of screw thread 14 is 4mm-5mm apart from tack needle point, further preferably
3mm.Because the heart of depth of needle when 3mm is relative to mouse perfusion, rat or other animals is larger, corresponding
Depth of needle it is also longer, therefore, minimum range of the starting point of screw thread 14 apart from tack needle point can preferably be 3mm.
In the present invention, the needle tubing 11 of syringe needle 1 uses tack syringe needle；For the hollow organs such as heart, put down
Scalp acupuncture inserting needle resistance is also little, also small to the damage of tissue, and effective depth of needle of tack needle is longer than bevel needle, is less susceptible to
Pierce through left ventricle.It in the actual operation process, can be according to the different adjustment depth of needle of animal varieties, such as the left heart of mouse inserting needle
Room 3-4mm can be then 5-6mm with back rotation circular baffle plate 12, adjustment depth of needle if rat.
Further, as shown in figure 3, straight tube 2 successively includes straight tube tube head 21, straight tube tube body 22 and straight tube pipe tail 23.Its
In, straight tube tube head 21 has the structure adaptable with the needle hub 13 of syringe needle 1, and can closely be entrenched in needle hub 13
In, to prevent leak-stopping liquid；Straight tube tube body 22 is to convey perfusion liquid；Straight tube pipe tail 23 is for connecting syringe 3.
For example and without limitation, the structure of straight tube tube head 21 and needle hub 13 can be using the note of clinically injection
The syringe of emitter and the construction of needle cap；And the two is closely fitted into no leakage.
In the present invention, the effect of straight tube 2 is conveying perfusion liquid, and the perfusion liquid in syringe 3 flows through after straight tube 2 again
Enter heart by syringe needle 1.Since perfusion is the process being slowly infused, can be beaten using straight tube 2 to avoid as hose
It is curved, cause injection needle 1 to fall off.Meanwhile after syringe needle 1 connects straight tube 2, it is forward that straight tube 2 slightly can apply one to circular baffle plate 12
Power, so that syringe needle 1 is stronger；Namely syringe 3 slightly toward sinciput once, be equivalent in this way through straight tube 2 to syringe needle
1 one forward power, so that promoting circular baffle plate 12 to be bonded heart can be more firm.
Further, as shown in figure 4, syringe 3 includes syringe interface 31, injector syringe 32 and piston component 33.Its
In, syringe interface 31 is located at the head of injector syringe 32, and is connected to injector syringe 32；Meanwhile adaptable structure,
And can closely be entrenched in straight tube pipe tail 23, to prevent leak-stopping liquid；Piston component 33 has the internal diameter phase with injector syringe 32
The size of adaptation is packed into injector syringe 32 from the tail portion of injector syringe 32, and can move in injector syringe 32；
Injector syringe 32 be it is transparent, and be provided with scale on its outer wall, can be to regulate and control the speed of perfusion.
For example and without limitation, the structure of syringe interface 31 and straight tube pipe tail 23 can be using clinically injection
The needle cap of syringe and the construction of syringe；And the two is closely fitted into no leakage.
More the experimental place of peristaltic pump, the utilization of syringe 3 do not solve shortage greatly to the utility model
The problem of peristaltic pump.
The above technical scheme that the utility model uses for example and without limitation, has following compared with prior art
The utility model has the advantages that (one) can regulate and control depth of needle by the setting of circular baffle plate, is reduced using tack needle and heart tissue is damaged
Wound；(2) falling off for syringe needle is effectively prevented using straight tube conveying perfusion liquid；(3) peristaltic pump is substituted using syringe, and can be with
The speed of injection is adjusted according to scale；(4) easy to assembly, it is easy to use.
Foregoing description is only the description to the utility model preferred embodiment, is not to any of the scope of the utility model
It limits.Any change or modify equal that any those skilled in the art makes according to the technology contents of the disclosure above
It should be considered as equivalent effective embodiment, belong to the range of technical solutions of the utility model protection.
Claims (6)
1. a kind of simple machine for zoopery perfusion, it is characterised in that: including syringe needle (1), straight tube (2) and syringe
(3)；
The syringe needle (1) includes needle tubing (11), circular baffle plate (12), needle hub (13)；The head of the needle tubing (11) is flat
Scalp acupuncture point, the tail portion of needle tubing (11) is arranged with needle hub (13)；The circular baffle plate (12) is movably set in needle tubing
(11) on outer wall；
The straight tube (2) successively includes straight tube tube head (21), straight tube tube body (22) and straight tube pipe tail (23)；The straight tube tube head
(21) there is the structure being adapted with needle hub (13), and can closely be entrenched in needle hub (13)；The straight tube pipe
Head of the tail (23) closely to connect syringe (3).
2. the simple machine according to claim 1 for zoopery perfusion, it is characterised in that: the needle tubing (11)
Screw thread (14) are provided on outer wall；It offers in the circular baffle plate (12) and matches with the screw thread (14) of needle tubing (11) outer wall
Threaded hole；The circular baffle plate (12) is movably set on the screw thread (14) of needle tubing (11) outer wall by the threaded hole.
3. the simple machine according to claim 2 for zoopery perfusion, it is characterised in that: the screw thread (14)
The distance of starting point anomaly scalp acupuncture point is 4mm-5mm.
4. the simple machine according to claim 3 for zoopery perfusion, it is characterised in that: the screw thread (14)
The distance of starting point anomaly scalp acupuncture point is 3mm.
5. the simple machine according to claim 1 for zoopery perfusion, it is characterised in that: the syringe (3)
Including syringe interface (31), injector syringe (32) and piston component (33)；
The syringe interface (31) is located at the head of injector syringe (32), and is connected to injector syringe (32)；And it is described
Syringe interface (31) has the structure being adapted with straight tube pipe tail (23), and can closely be entrenched in straight tube pipe tail (23)；
The piston component (33) has the size adaptable with the internal diameter of injector syringe (32), the tail from injector syringe (32)
Portion is packed into injector syringe (32), and can be moved in injector syringe (32).
6. the simple machine according to claim 5 for zoopery perfusion, it is characterised in that: the injector syringe
(32) it is transparent, and is provided with scale on its outer wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721510448.3U CN209360983U (en) | 2017-11-14 | 2017-11-14 | Simple machine for zoopery perfusion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721510448.3U CN209360983U (en) | 2017-11-14 | 2017-11-14 | Simple machine for zoopery perfusion |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209360983U true CN209360983U (en) | 2019-09-10 |
Family
ID=67811132
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721510448.3U Expired - Fee Related CN209360983U (en) | 2017-11-14 | 2017-11-14 | Simple machine for zoopery perfusion |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209360983U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107753145A (en) * | 2017-11-14 | 2018-03-06 | 上海市杨浦区中心医院 | Simple machine for zoopery perfusion |
-
2017
- 2017-11-14 CN CN201721510448.3U patent/CN209360983U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107753145A (en) * | 2017-11-14 | 2018-03-06 | 上海市杨浦区中心医院 | Simple machine for zoopery perfusion |
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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: 20190910 Termination date: 20201114 |