CN208640967U - Rat choana administration needle and rat choana delivery device - Google Patents
Rat choana administration needle and rat choana delivery device Download PDFInfo
- Publication number
- CN208640967U CN208640967U CN201720973551.5U CN201720973551U CN208640967U CN 208640967 U CN208640967 U CN 208640967U CN 201720973551 U CN201720973551 U CN 201720973551U CN 208640967 U CN208640967 U CN 208640967U
- Authority
- CN
- China
- Prior art keywords
- rat
- choana
- caliber portion
- caliber
- syringe
- 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.)
- Active
Links
Landscapes
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model provides a kind of rat choana administration needle and rat choana delivery device, belongs to field of medical auxiliary equipment, and the syringe needle being connected, and the connector handle connected with the perforation of the needle body other end are penetrated through including needle body, with needle body one end.Needle body, including one perforation molding first caliber portion and the second caliber portion, and the pipe outside diameter in the second caliber portion is greater than the pipe outside diameter in the first caliber portion；First caliber portion is the arcuate structure that spherical surface stretches.Syringe needle is connected with the perforation of the first caliber portion, and has the bending section relative to the first caliber portion obliquely, and the front end of bending section offers a fluid hole.Connector handle, one end is integrally penetrated through with the end in the second caliber portion to be connected, and the other end is suitable for connecting with the liquid outlet of different type syringe.By the way that the administration mode at each position of rat nasopharynx especially nasopharynx rear portion can be administered to reverse property convenient to carry out in the bending section of needle design having relative to the first caliber portion obliquely.
Description
Technical field
The utility model relates to medic laboratory technology fields, in particular to a kind of rat choana administration needle and greatly
Mouse choana delivery device.
Background technique
In the genome times afterwards comprehensively, rat becomes one of essential conventional animal in Modern medical experiment, is research
Disease mechanism and the relatively good tool for determining the validity that quality scheme, verifying new compound and medicine are denoted as, in the modern times
Increasingly consequence is occupied in medical research.
Existing rat feeds needle and carries out filling feeding only for rat oral cavity, and nasal-cavity administration is mainly Miniature atomized sucking dress
It sets.Existing drug delivery device administration direction is pliable administration (from top to bottom along respiratory tract), and can not simulate a part needs inversely
Property administration administration mode.Rat oropharynx or oropharynx and laryngopharynx intersection, mask administration medicine are only reached to moreover, filling and raising needle administration
Disperse can not limit to drug effect to the entire upper respiratory tract of rat and lower respiratory tract.
Therefore, existing rat feed needle there are aiming at the problem that, design can operate the mode of reverse property administration for existing
Some medical experiments have very important significance.
Utility model content
The purpose of the utility model is to provide a kind of rat choana administration needles, it is intended to solve convenient for inverse to rat choana
Tropism be administered to each position of nasopharynx especially nasopharynx rear portion the technical issues of.
The another object of the utility model is to provide a kind of rat choana delivery device, it is intended to solve convenient for nose after rat
The reverse property in hole be administered to each position of nasopharynx especially nasopharynx rear portion the technical issues of.
The rat choana administration needle of the utility model is achieved in that
A kind of rat choana administration needle, comprising:
Needle body, including one perforation molding first caliber portion and the second caliber portion, and outside the pipe in second caliber portion
Diameter is greater than the pipe outside diameter in first caliber portion；First caliber portion is the arcuate structure that spherical surface stretches；
Syringe needle is connected with the perforation of first caliber portion, and has the bending section relative to the first caliber portion obliquely, institute
The front end for stating bending section offers a fluid hole；And
Connector handle, one end is integrally penetrated through with the end in second caliber portion to be connected, and the other end is suitable for and syringe
Liquid outlet connection.
Further, the bore in first caliber portion and second caliber portion is 0.60mm.
Further, the pipe outside diameter in first caliber portion is 1.00mm；And
The pipe outside diameter in second caliber portion is 2.00mm.
Further, the radian of the arcuate structure of first caliber is suitable for and the upper aerodigestive tract physiological bending degree of rat
It coincide.
Further, the bending section outer end and first caliber portion outer end form 135 ° of corner of time bent structure.
Further, the aperture of the fluid hole is 0.10mm.
Further alternative, the end that the connector handle is suitable for connecting with the liquid outlet of syringe offers one and is suitable for note
The aperture of the liquid outlet interference insertion of emitter.
It is further alternative, the connector handle be suitable for the end that connect with the liquid outlet of syringe equipped with a thread segment with
It is docked suitable for the outlet end screw thread with syringe.
Further, the connector handle outer wall is additionally provided with an ear handle for being suitable for holding.
The rat choana delivery device of the utility model is achieved in that
A kind of rat choana delivery device, comprising: the rat choana administration needle, and with the rat choana
The connected syringe of administration needle.
The beneficial effects of the utility model are: the rat choana administration needle of the utility model, by needle design
With the bending section relative to the first caliber portion obliquely, rat nasopharynx especially nasopharynx can be administered to reverse property convenient to carry out
The administration mode at rear portion.It is greater than the pipe outside diameter in the first caliber portion further through the pipe outside diameter in the second caliber portion of the needle body of setting, and
First caliber portion is the arcuate structure that spherical surface stretches, and has been fitted the feature of the physiological bending of the upper aerodigestive tract of rat, so that this
The rat choana administration needle energy of utility model is smooth, is quickly inserted rat oral cavity reaches choana position and is not easy to damage
Mucous membrane.
Further, 135 ° of corner of Hui Qujie is formed further through the bending section outer end of design and the first caliber portion outer end
Structure, the fluid hole for being 0.10mm in conjunction with aperture, the fluid stable for enabling to fluid hole to spray, convergence liquid avoid turbulent flow, spray
Firing rate degree and apart from adjustable.
Further, by be arranged in connector handle design suitable for the screw thread that is threadedly coupled with the outlet end of syringe
Section expands the scope of application, it can be achieved that be applicable in the matching of special administration injection device.
Detailed description of the invention
It, below will be to required in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
The attached drawing used is briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore not
It should be considered as the restriction to range, for those of ordinary skill in the art, without creative efforts,
It can also be obtained according to these attached drawings other relevant attached drawings.
Fig. 1 is the structural schematic diagram of rat choana administration needle provided by the utility model；
Fig. 2 is the needle structure schematic diagram of rat choana administration needle provided by the utility model；
Fig. 3 is the needle head structure schematic diagram of rat choana administration needle provided by the utility model；
Fig. 4 is the structural schematic diagram of the connector handle of rat choana administration needle provided by the utility model；
Fig. 5 is the structural representation at another visual angle of the connector handle of rat choana administration needle provided by the utility model
Figure.
Icon: 100- needle body；The first caliber of 103- portion；The second caliber of 105- portion；200- syringe needle；The bending section 203-；205-
Fluid hole；208- returns bent structure；300- connector handle；303- thread segment；305- ear handle.
Specific embodiment
It is practical below in conjunction with this to keep the purposes, technical schemes and advantages of the utility model embodiment clearer
The technical solution in the utility model embodiment is clearly and completely described in attached drawing in novel embodiment, shows
So, described embodiment is a part of embodiment of the utility model, rather than whole embodiments.It is practical based on this
Embodiment in novel, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment is fallen within the protection scope of the utility model.
Therefore, the detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit below and is wanted
The scope of the utility model of protection is sought, but is merely representative of the selected embodiment of the utility model.Based on the utility model
In embodiment, every other implementation obtained by those of ordinary skill in the art without making creative efforts
Mode is fallen within the protection scope of the utility model.
In the description of the present invention, it should be understood that indicating position or the term of positional relationship are based on attached drawing
Shown in orientation or positional relationship, be merely for convenience of describing the present invention and simplifying the description, rather than indication or suggestion institute
The equipment or element of finger must have a particular orientation, is constructed and operated in a specific orientation, therefore should not be understood as to this reality
With novel limitation.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. terms shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be
Mechanical connection, is also possible to be electrically connected；It can be directly connected, two can also be can be indirectly connected through an intermediary
The interaction relationship of connection or two elements inside element.It for the ordinary skill in the art, can basis
Concrete condition understands the concrete meaning of above-mentioned term in the present invention.
It is in the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", " perpendicular
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, or
The utility model product using when the orientation or positional relationship usually put, be merely for convenience of description the utility model and letter
Change description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with specific orientation construct and
Operation, therefore should not be understood as limiting the present invention.In addition, term " first ", " second ", " third " etc. are only used for area
Divide description, is not understood to indicate or imply relative importance.
In addition, the terms such as term "horizontal", "vertical", " pendency " are not offered as requiring component abswolute level or pendency, and
It is that can be slightly tilted.It is not to indicate the structure if "horizontal" only refers to that its direction is more horizontal with respect to for "vertical"
It has to fully horizontally, but can be slightly tilted.
In the present invention unless specifically defined or limited otherwise, fisrt feature is on or below second feature
It may include that the first and second features directly contact, also may include that the first and second features are not direct contacts but pass through it
Between other characterisation contact.Moreover, fisrt feature is on second feature, top and above include fisrt feature the
Right above two features and oblique upper, or first feature horizontal height is merely representative of higher than second feature.Fisrt feature is in the second spy
Under sign, lower section and fisrt feature included below be directly below and diagonally below the second feature, or be merely representative of fisrt feature level
Height is less than second feature.
Embodiment 1:
As shown in Figure 1, present embodiments providing a kind of rat choana administration needle, comprising: needle body 100 and needle body 100 1
The connected syringe needle 200 of end perforation, and the connector handle 300 with the perforation connection of 100 other end of needle body.
Needle body 100, including one perforation molding first caliber portion 103 and the second caliber portion 105, and the second caliber portion
105 pipe outside diameter is greater than the pipe outside diameter in the first caliber portion 103；First caliber portion 103 is arcuate structure.First caliber portion, 103 He
The bore in the second caliber portion 105 is identical, is disposed as 0.60mm.The radian of the arcuate structure of first caliber be suitable for on rat
Aerodigestive tract physiological bending degree coincide, and reaches the suitable of choana position to improve rat choana administration needle insertion rat oral cavity
Smooth property and the stability used.
With reference to Fig. 2, for the ease of the upper aerodigestive tract physiological status of fitting rat, the pipe outside diameter in the first caliber portion 103 is set
It is calculated as 1.00mm；And second the pipe outside diameter in caliber portion 105 be designed as 2.00mm, enable rat choana administration needle smoothly,
Rat oral cavity is quickly inserted to reach choana position and be not easy to damage mucous membrane.
Syringe needle 200 is connected with the perforation of the first caliber portion 103, and has the bending relative to the first caliber portion 103 obliquely
Portion 203, bending section 203 are designed as structure obliquely, the administration mode of reverse property administration convenient to carry out, before bending section 203
End offers a fluid hole 205.
With reference to Fig. 3, time bent structure 208 of 135 ° of corner of 203 outer end of bending section and 103 outer end of the first caliber portion formation, knot
Close fluid hole 205 aperture design be 0.10mm, enable to fluid hole 205 spray fluid stable, and jet velocity and away from
From adjustable.For example, horizontal spray distance obliquely can be more than 1m, and since then, hydraulic pressure also may be used when jet velocity reaches 0.5ml/s
It is adjusted.
Connector handle 300, one end is integrally penetrated through with the end in the second caliber portion 105 to be connected, and the other end is suitable for and injection
The liquid outlet of device connects.300 inner cavity of connector handle is hollow, and inner cavity and both ends penetrate through, i.e., convenient for the liquid outlet of syringe with
One end of connector handle 300 connects, the inner cavity of liquid fill nipple handle 300, and from connector handle 300 and the second caliber portion
105 connected end outflows, and then flow into the second caliber portion 105 of needle body 100.
In order to clearly see the connection status of connector handle 300 and syringe clearly, connector handle 300 uses transparent material system
At.
The end that connector handle 300 is suitable for connecting with the liquid outlet of syringe offers a liquid outlet mistake for being suitable for syringe
The aperture of insertion of being full of mounts and dismounts that is, by the way that the liquid outlet interference mode of syringe to be inserted into the aperture of connector handle 300
It is all very convenient.
During rat choana administration needle for the ease of using the utility model, control connector handle 300 is held
Direction, 300 outer wall of connector handle are additionally provided with one and are suitable for hand-held ear handle 305.
The stability in rat choana administration needle use in order to improve the utility model, does not cause to damage to experimental rat
Evil, the syringe needle 200 and needle body 100 of the utility model use smooth outer surface, material safety, and the material of suppleness and moderate strength
Material is made.It is found by continuous contrived experiment, material toughness that 304 stainless steel of food-grade manufacture with drawing by high temperature technique and by force
Spend all good, surface is smooth, and manufactured rat choana administration needle can be damaged caused by rat in administration and is minimized.
Embodiment 2:
As shown in Figure 1, present embodiments providing a kind of rat choana administration needle, including needle body 100 and needle body 100 1
The connected syringe needle 200 of end perforation, and the connector handle 300 with the perforation connection of 100 other end of needle body.
Needle body 100, including one perforation molding first caliber portion 103 and the second caliber portion 105, and the second caliber portion
105 pipe outside diameter is greater than the pipe outside diameter in the first caliber portion 103；First caliber portion 103 is arcuate structure.First caliber portion, 103 He
The bore in the second caliber portion 105 is identical, is disposed as 0.60mm.The radian of the arcuate structure of first caliber be suitable for on rat
Aerodigestive tract physiological bending degree coincide, and reaches the suitable of choana position to improve rat choana administration needle insertion rat oral cavity
Smooth property and the stability used.
With reference to Fig. 2, for the ease of the upper aerodigestive tract physiological status of fitting rat, the pipe outside diameter in the first caliber portion 103 is set
It is calculated as 1.00mm；And second the pipe outside diameter in caliber portion 105 be designed as 2.00mm, enable rat choana administration needle smoothly,
Rat oral cavity is quickly inserted to reach choana position and be not easy to damage mucous membrane.
Syringe needle 200 is connected with the perforation of the first caliber portion 103, and has the bending relative to the first caliber portion 103 obliquely
Portion 203, bending section 203 are designed as structure obliquely, the administration mode of reverse property administration convenient to carry out, before bending section 203
End offers a fluid hole 205.
With reference to Fig. 3, time bent structure 208 of 135 ° of corner of 203 outer end of bending section and 103 outer end of the first caliber portion formation, knot
Close fluid hole 205 aperture design be 0.10mm, enable to fluid hole 205 spray fluid stable, and jet velocity and away from
From adjustable.For example, horizontal spray distance obliquely can be more than 1m, and since then, hydraulic pressure also may be used when jet velocity reaches 0.5ml/s
It is adjusted.
Connector handle 300, one end is integrally penetrated through with the end in the second caliber portion 105 to be connected, and the other end is suitable for and injection
The liquid outlet of device connects.300 inner cavity of connector handle is hollow, and inner cavity and both ends penetrate through, i.e., convenient for the liquid outlet of syringe with
One end of connector handle 300 connects, the inner cavity of liquid fill nipple handle 300, and from connector handle 300 and the second caliber portion
105 connected end outflows, and then flow into the second caliber portion 105 of needle body 100.
In order to clearly see the connection status of connector handle 300 and syringe clearly, connector handle 300 uses transparent material system
At.
With reference to Fig. 4 or Fig. 5, the end that connector handle 300 is suitable for docking with the outlet end of syringe is equipped with a thread segment 303
It is suitable for docking with the outlet end screw thread of syringe.It is suitable that the matching with special administration injection device can be achieved in the design of thread segment 303
With expanding the scope of application.
With reference to Fig. 5, for the ease of holding control connector during using the rat choana administration needle of the utility model
The direction of handle 300,300 outer wall of connector handle are additionally provided with one and are suitable for hand-held ear handle 305.
The stability in rat choana administration needle use in order to improve the utility model, does not cause to damage to experimental rat
Evil, the syringe needle 200 and needle body 100 of the utility model use smooth outer surface, material safety, and the material of suppleness and moderate strength
Material is made.It is found by continuous contrived experiment, material toughness that 304 stainless steel of food-grade manufacture with drawing by high temperature technique and by force
Spend all good, surface is smooth, and manufactured rat choana administration needle can be damaged caused by rat in administration and is minimized.
Embodiment 3:
In the technology of embodiment 1 or embodiment 2, a kind of rat choana delivery device, including reality are present embodiments provided
Apply the rat choana administration needle that example 1 or embodiment 2 provide, and the syringe being connected with rat choana administration needle.
The above is only preferred embodiments of the present invention, are not intended to limit the utility model, for ability
For the technical staff in domain, various modifications and changes may be made to the present invention.It is all the spirit and principles of the utility model it
Interior, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of rat choana administration needle characterized by comprising
Needle body, including one perforation molding first caliber portion and the second caliber portion, and the pipe outside diameter in second caliber portion is big
Pipe outside diameter in first caliber portion；First caliber portion is the arcuate structure that spherical surface stretches；
Syringe needle is connected with the perforation of first caliber portion, and has the bending section relative to the first caliber portion obliquely, described curved
The front end of pars convoluta offers a fluid hole；And
Connector handle, the end in one end and second caliber portion, which integrally penetrates through, to be connected, and the other end suitable for it is different types of
The liquid outlet of syringe connects.
2. rat choana administration needle according to claim 1, which is characterized in that first caliber portion and described second
The bore in caliber portion is 0.60mm.
3. rat choana administration needle according to claim 1, which is characterized in that the pipe outside diameter in first caliber portion is
1.00mm；And
The pipe outside diameter in second caliber portion is 2.00mm.
4. rat choana administration needle according to claim 1, which is characterized in that the arcuate structure of first caliber
Radian is suitable for coincideing with the upper aerodigestive tract physiological bending degree of rat.
5. rat choana administration needle according to claim 1, which is characterized in that the bending section outer end and described first
Caliber portion outer end forms 135 ° of corner of time bent structure.
6. rat choana administration needle according to claim 1, which is characterized in that the aperture of the fluid hole is
0.10mm。
7. rat choana administration needle according to claim 1, which is characterized in that the connector handle is suitable for and syringe
Liquid outlet connection end offer one be suitable for syringe liquid outlet interference be inserted into aperture.
8. rat choana administration needle according to claim 1, which is characterized in that the connector handle is suitable for and syringe
Liquid outlet connection end be equipped with a thread segment be suitable for docking with the outlet end screw thread of syringe.
9. rat choana administration needle according to claim 1, which is characterized in that the connector handle outer wall is additionally provided with one
Suitable for hand-held ear handle.
10. a kind of rat choana delivery device, which is characterized in that including nose after rat as described in any one of claims 1 to 9
Hole administration needle, and the syringe being connected with the rat choana administration needle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720973551.5U CN208640967U (en) | 2017-08-04 | 2017-08-04 | Rat choana administration needle and rat choana delivery device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720973551.5U CN208640967U (en) | 2017-08-04 | 2017-08-04 | Rat choana administration needle and rat choana delivery device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208640967U true CN208640967U (en) | 2019-03-26 |
Family
ID=65768765
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720973551.5U Active CN208640967U (en) | 2017-08-04 | 2017-08-04 | Rat choana administration needle and rat choana delivery device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208640967U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107260357A (en) * | 2017-08-04 | 2017-10-20 | 赵宇 | Rat choana administration needle and rat choana delivery device |
| CN112546378A (en) * | 2020-12-08 | 2021-03-26 | 四川大学华西医院 | Intubation plasticity method of fitting laryngoscope |
-
2017
- 2017-08-04 CN CN201720973551.5U patent/CN208640967U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107260357A (en) * | 2017-08-04 | 2017-10-20 | 赵宇 | Rat choana administration needle and rat choana delivery device |
| CN112546378A (en) * | 2020-12-08 | 2021-03-26 | 四川大学华西医院 | Intubation plasticity method of fitting laryngoscope |
| CN112546378B (en) * | 2020-12-08 | 2023-09-29 | 四川大学华西医院 | Intubation plasticity method for fitting laryngoscope |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208640967U (en) | Rat choana administration needle and rat choana delivery device | |
| CN203777480U (en) | ENT (ear-nose-throat) medicine applicator | |
| CN106492335B (en) | A kind of Internal Medicine-Oncology drug delivery device | |
| CN2843496Y (en) | Atomizing medicine-feeding therapeutic equipment for ophthalmology | |
| CN103977490A (en) | Medical atomizer | |
| CN203943992U (en) | Medical administration and atomization device | |
| CN209596345U (en) | A kind of nebulizer | |
| CN205598369U (en) | Disposable oxygen nebulizer who facilitates use | |
| WO2023036336A1 (en) | Three-way tube connector and high-pressure injector set having three-way tube connector | |
| CN208877597U (en) | Drug delivery device is used in the nursing of multifunctional breath section | |
| CN107260357A (en) | Rat choana administration needle and rat choana delivery device | |
| CN109200447A (en) | A kind of spray larynx delivery device of anti-cough of choking | |
| CN204484972U (en) | Medical treatment nebulizer | |
| CN108463261A (en) | A kind of multi-cavity type atomization plant | |
| CN203029815U (en) | Reagent feeder for respiration medicine | |
| CN109529159A (en) | A kind of vaporizer | |
| CN209204454U (en) | A kind of Respiratory Medicine drug delivery device | |
| CN202459708U (en) | Trachea cannula | |
| CN208910964U (en) | A kind of disposable antireflux double end injection connecting tube | |
| CN108904935A (en) | A kind of disposable atomizer | |
| CN212522614U (en) | Disposable administration atomizer | |
| CN210811742U (en) | A intragastric needle for adult mouse | |
| CN209187883U (en) | A kind of gynemetrics's delivery device | |
| CN213192066U (en) | Gastroenterology esophagus medicine feeding device | |
| CN213641404U (en) | Mouse is through oral pharynx lung device of dosing |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |