CN208081515U - Antispray two-tube injection needle - Google Patents
Antispray two-tube injection needle Download PDFInfo
- Publication number
- CN208081515U CN208081515U CN201720436130.9U CN201720436130U CN208081515U CN 208081515 U CN208081515 U CN 208081515U CN 201720436130 U CN201720436130 U CN 201720436130U CN 208081515 U CN208081515 U CN 208081515U
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- China
- Prior art keywords
- needle
- channel
- syringe needle
- syringe
- passage
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- Expired - Fee Related
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- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model discloses a kind of antispray two-tube injection needles, including connector, first end to be connect with syringe；Needle tubing, it is connected to the second end of the connector, at least provided with two independent first passages and second channel in the needle tubing, the first end of the first passage is connected to the connector second end, the second end of the first passage opens wide setting, and the first end and second end of the second channel all opens wide setting；Wherein, the second channel is located between the first end and second end of the first passage.The utility model is using the double pipe structure that one is long and the other is short, short tube is penetrated through with extraneous, radioactive solution or dilution physiological saline are injected into bottle by long tube, and short tube plays the role of equilibration flask inner air and outer air pressure, efficiently solve due in bottle air pressure it is excessively high and the technical issues of lead in bottle radiopharmaceutical outside splash.
Description
Technical field
The utility model is related to the field of medical instrument technology, and more specifically, the utility model is related to a kind of antispray
Two-tube injection needle.
Background technology
Injection needle can be used for docking connection syringe and cillin bottle is especially marking drug injection to cillin bottle
Or when dilution radiopharmaceutical, need to inject radioactive solution or physiological saline into cillin bottle, if the liquid volume of injection
Excessive or injection rate is too fast, and the air compression pressure in cillin bottle can be caused excessive, when extracting syringe needle, often will appear west
Radioactive liquid in woods bottle is oozed out or is sprayed from bottle cap, and drug will be exposed to environment, and be likely to form aerosol and enter sky
In gas, radioactive pollution is caused, once being contacted or being sucked by operator, operating personnel can be made by unnecessary radiational injury
Evil.Therefore, there is still a need for a kind of injection needles being avoided that using the outside splash of rear drug for this field.
Utility model content
One purpose of the utility model is to solve at least the above, and provide the advantages of at least will be described later.
There are one purposes to be to provide a kind of antispray two-tube injection needle for the utility model, two-tube using what one is long and the other is short
Structure, wherein short tube is penetrated through with extraneous, injects radioactive solution or dilution physiological saline into bottle by long tube, and short tube
Play the role of equilibration flask inner air and outer air pressure, efficiently solve due in bottle air pressure it is excessively high and cause in bottle radiopharmaceutical to
The technical issues of outer splash.
In order to realize these purposes and other advantages according to the present utility model, a kind of antispray two-tube injection is provided
Needle, including:
Connector, first end can be connect with syringe；
Needle tubing, is connected to the second end of the connector, in the needle tubing at least provided with two independent first passages and
Second channel, the first end of the first passage are connected to the connector second end, and the second end of the first passage, which is opened wide, to be set
It sets, the first end and second end of the second channel all opens wide setting；
Wherein, the second channel is located between the first end and second end of the first passage.
Preferably, the needle tubing is outer crosspointer header structure, and the needle tubing, which is divided into, is disposed in parallel in the first syringe needle and the second needle
Head, second syringe needle are arranged on the outside of first syringe needle.
Preferably, the needle tubing is interior crosspointer header structure, is divided into the needle tubing and is disposed in parallel in the first syringe needle and second
Syringe needle, second syringe needle are arranged on the outside of first syringe needle, the needle tubing madial wall and first syringe needle, the second syringe needle
Gap between lateral wall is filled densification.
Preferably, the first passage runs through first syringe needle both ends, and inside the first passage and the connector
Connection, the second channel run through second syringe needle both ends.
Preferably, second needle length is less than first needle length, and second syringe needle is located at described first
Between syringe needle first end and second end.
Preferably, the needle point line of first syringe needle and the second syringe needle is consistent with the length direction of the needle tubing, described
The needle point of first syringe needle and the second syringe needle is open back to setting.
Preferably, it is spaced to run through on the lateral wall of second syringe needle and offers several through-holes, described in the through-hole connection
Second channel.
Preferably, the needle tubing is single needle header structure, and the first passage runs through the needle tubing both ends, and described first is logical
Be connected to inside road and the connector, the second channel is opened in the madial wall of the needle tubing side, the first passage and
The second channel is spaced apart.
Preferably, the first passage is parallel with the length direction of second channel, is spaced and runs through on the needle tubing lateral wall
Several through-holes are offered, the through-hole is connected to the second channel.
Preferably, the second channel is opened in the needle tubing madial wall of the first passage periphery, and described second
Channel is annular channel, and through several through-holes are offered, the through-hole connection described second is logical at interval on the needle tubing lateral wall
Road.
The utility model includes at least following advantageous effect：
1, the injection needle of the utility model can be avoided with equilibration flask inner air and outer air pressure since air pressure is excessively high and cause in bottle
The outside splash of radiopharmaceutical in bottle；
2, it avoids drug in bottle from being exposed to environment, comes to harm so that operating personnel exempt from；
3, the utility model injection needle is simple in structure, and production cost is low, is convenient for utilization and extention.
Part is illustrated to embody by the further advantage, target and feature of the utility model by following, and part will also pass through
Research and practice to the utility model and be understood by the person skilled in the art.
Description of the drawings
Fig. 1 is the side view of the utility model injection needle in embodiment one；
Fig. 2 is the sectional view of the utility model injection needle in embodiment one；
Fig. 3 is the three dimensional structure diagram of the utility model injection needle in embodiment one；
Fig. 4 is the upward view of the utility model injection needle in embodiment one；
Fig. 5 is the side view of the utility model injection needle in embodiment two；
Fig. 6 is the sectional view of the utility model injection needle in embodiment two；
Fig. 7 is the three dimensional structure diagram of the utility model injection needle in embodiment two；
Fig. 8 is the upward view of the utility model injection needle in embodiment two；
Fig. 9 is the side view of the utility model injection needle in embodiment three；
Figure 10 is the sectional view of the utility model injection needle in embodiment three；
Figure 11 is the three dimensional structure diagram of the utility model injection needle in embodiment three；
Figure 12 is the upward view of the utility model injection needle in embodiment three；
Figure 13 is the sectional view of the utility model injection needle in example IV；
Figure 14 is the three dimensional structure diagram of the utility model injection needle in example IV；
Figure 15 is the upward view of the utility model injection needle in example IV.
Specific implementation mode
The following describes the utility model in further detail with reference to the accompanying drawings, to enable those skilled in the art with reference to explanation
Book word can be implemented according to this.
It should be appreciated that such as " having ", "comprising" and " comprising " term used herein do not allot one or more
The presence or addition of a other elements or combinations thereof.
Embodiment one
The utility model provides a kind of antispray two-tube injection needle, as shown in Figs 1-4, including connector 100 and needle tubing
200, wherein 100 first end of connector can be connect with syringe；Needle tubing 200 is connected to the second end of the connector 100, the needle
Pipe 200 is outer crosspointer header structure, specifically, the needle tubing 200 divides to be disposed in parallel in the first syringe needle 300 and the second syringe needle 400,
Second syringe needle 400 is disposed in parallel in first syringe needle, 300 outside.The first passage in first syringe needle 300
310 run through 300 both ends of the first syringe needle, and 310 top of the first passage is connected to 100 inside of the connector, the first needle
First 300 first end and fittings, second end are inserted into cillin bottle, and the liquid in syringe is injected by first passage 310
Into cillin bottle.The second channel 420 runs through 400 both ends of the second syringe needle, also, 400 length of the second syringe needle is small
In 400 length of the second syringe needle so that second syringe needle 400 be located at 300 first end and second end of the first syringe needle it
Between, when the first syringe needle 300 is inserted into cillin bottle, with the increase of insertion depth, 400 second end of the second syringe needle is just by along band
It is inserted into cillin bottle, the second end of the second syringe needle 400 is connected to the headspace in cillin bottle, and the first end of the second syringe needle is spacious
It opens in air, that is to say, that the headspace in cillin bottle is in communication with the outside by the second syringe needle 400, when the gas in cillin bottle
When pressing through high, you can 400 second end of the second syringe needle is inserted into cillin bottle, the gas in cillin bottle is imported into the external world, is put down
Weigh bottle inner air and outer air pressure.
When needing to inject radioactive solution or physiological saline into cillin bottle, the first syringe needle is inserted into cillin bottle,
Syringe is pushed to be injected into radioactive solution or physiological saline in cillin bottle by first passage 310, in injection process, west
Air surge tank in woods bottle must be higher and higher, when the liquid volume especially injected is excessive or injection rate is too fast, needs the
One syringe needle continues to be inserted downwardly into cillin bottle, and the second syringe needle second end is taken advantage of a situation and is inserted into cillin bottle, by the second syringe needle
First end is retained on the outside of cillin bottle, at this point, second channel 420 is connected to cillin bottle inner space and ambient atmosphere, in cillin bottle
Air pressure superatmospheric, the air in cillin bottle will be by 420 water conservancy diversion of second channel to the external world, to balance cillin bottle
Inside and outside air pressure, with the continuation of injection process, the air pressure inside and outside cillin bottle be always it is equal, to effectively prevent due to
Air compression pressure in cillin bottle is excessive, and when extracting syringe needle, the radioactive liquid in cillin bottle is oozed out or sprayed from bottle cap,
It pollutes.
In above-mentioned technical proposal, needle point line and the needle tubing 200 of first syringe needle, 300 and second syringe needle 400
Length direction is consistent, and the needle point of first syringe needle, 300 and second syringe needle 400 is open back to setting, that is to say, that the first syringe needle
300 and second syringe needle 400 needle point on same axis, be on the one hand inserted into cillin bottle convenient for needle tubing, meanwhile, can subtract
The small hole diameter for being retained in cillin bottle and covering, avoids the liquid in cillin bottle from overflowing or diffuse out from bottle cap, causes dirt
Dye.
In above-mentioned technical proposal, as shown in figs. 1 and 3, offered if being spaced to run through on the lateral wall of second syringe needle 400
Dry through-hole 410, the through-hole 410 are connected to the second channel 420, when the liquid level in cillin bottle is higher than the of second channel 420
When two ends, at this point, if not opening up through-hole 410, the air in cillin bottle is in the same old way can not be by 420 water conservancy diversion of second channel outside
Boundary, in the utility model, no matter the second syringe needle insertion depth is that how liquid level changes in how many or cillin bottle, as long as
There are one through-holes to be retained in the cillin bottle external world, while another through-hole is in the cavity in cillin bottle, you can with by cillin bottle
Outside interior gas flow guiding to cillin bottle, the function of injection needle balance cillin bottle inner and outer air pressure ensure that.
Embodiment two
As viewed in figures 5-8, different from embodiment one to be, the needle tubing 200 is interior crosspointer header structure, the needle tubing
It is divided into 200 and is disposed in parallel in the first syringe needle 300 and the second syringe needle 400, second syringe needle 400 is arranged in first syringe needle
300 outsides, are equivalent to independent double pipe structure, the tube wall of 400 upper and lower ends of the second syringe needle are cut away so that second syringe needle
400 between 300 first end and second end of the first syringe needle, while by 200 madial wall of the needle tubing and first needle
First 300, the gap 500 between 400 lateral wall of the second syringe needle is filled densification, avoids in 200 madial wall of needle tubing and described first
Gap is caused between syringe needle 300,400 lateral wall of the second syringe needle, influences needle tubing air-tightness.
It can also will be vertically arranged with a partition board 430 among needle tubing 200, needle tubing is divided into mutually independent first syringe needle
300 and second syringe needle 400, channel structure is formed, the tube wall of 400 upper and lower ends of the second syringe needle is cut away so that described second
Syringe needle 400 is between 300 first end and second end of the first syringe needle.
Other structures are identical as embodiment one.
Embodiment three
A kind of antispray two-tube injection needle, as shown in figs9-12, including connector 100 and needle tubing 200, wherein connector 100
First end can be connect with syringe；Needle tubing 200 is connected to the second end of the connector 100, and the needle tubing 200 is single needle knot
Structure, specifically, the first passage 310 runs through 200 both ends of the needle tubing, and in the first passage 310 and the connector 100
Portion is connected to, and 200 second end of needle tubing is inserted into cillin bottle, and the liquid in syringe is injected into cillin bottle by first passage 310
In.
The second channel 420 is opened in 200 madial wall of the needle tubing, and the first passage 310 is logical with described second
Road 420 is spaced apart.Specifically, the first passage 310 is parallel with the length direction of second channel 420, outside the needle tubing 200
Interval is through several through-holes 410 are offered on side wall, and the through-hole 410 is connected to the second channel 420, second channel 420
Length is less than the length of the first passage 310, and second channel 420 is located at the first end and second of the first passage 310
Between end.
When needle tubing 200 is inserted into cillin bottle, with the increase of insertion depth, 420 second end of second channel is just suitable
Band is inserted into cillin bottle, and the second end of second channel 420 is connected to the headspace in cillin bottle, and the of second channel 420
Open at one end is in air, that is to say, that the headspace in cillin bottle is in communication with the outside by second channel 420, works as cillin bottle
In air pressure it is excessively high when, you can 420 second end of second channel is inserted into cillin bottle, the gas in cillin bottle is imported into outer
Boundary, equilibration flask inner air and outer air pressure.
When needing to inject radioactive solution or physiological saline into cillin bottle, needle tubing is inserted into cillin bottle, is pushed
Radioactive solution or physiological saline are injected by first passage 310 in cillin bottle by syringe, in injection process, cillin bottle
Interior air surge tank must be higher and higher, when the liquid volume especially injected is excessive or injection rate is too fast, need by needle tubing after
It is continuous to be inserted downwardly into cillin bottle, 420 second end of second channel is taken advantage of a situation and is inserted into cillin bottle, by the first end of the second syringe needle
It is retained on the outside of cillin bottle, at this point, second channel 420 is connected to cillin bottle inner space and ambient atmosphere, the air pressure in cillin bottle
Superatmospheric, the air in cillin bottle will be by 420 water conservancy diversion of second channel to the external world, to balance inside and outside cillin bottle
Air pressure, with the continuation of injection process, the air pressure inside and outside cillin bottle is equal always, to effectively prevent due to cillin bottle
Interior air compression pressure is excessive, and when extracting syringe needle, the radioactive liquid in cillin bottle is oozed out or sprayed from bottle cap, causes dirt
Dye.
In above-mentioned technical proposal, when the liquid level in cillin bottle is higher than the second end of second channel 420, at this point, if not
Open up through-hole 410, the air in cillin bottle in the same old way can not by 420 water conservancy diversion of second channel to the external world, in the utility model,
No matter the second syringe needle insertion depth is that how liquid level changes in how many or cillin bottle, as long as being retained in west there are one through-hole
Woods bottle is extraneous, while another through-hole is in the cavity in cillin bottle, you can with by the gas flow guiding in cillin bottle to XiLin
Bottle is outer, ensure that the function of injection needle balance cillin bottle inner and outer air pressure.
Example IV
As illustrated in figs. 13-15, different from embodiment three to be, the second channel 420 is opened in the first passage
In the needle tubing madial wall of 310 peripheries, the second channel 420 is the annular channel for being centered around 310 periphery of first passage, institute
Stating interval on 200 lateral wall of needle tubing, through several through-holes 410 are offered, the through-hole 410 is connected to the second channel 420, tool
Body, the first passage 310 runs through 200 both ends of the needle tubing, and connects inside the first passage 310 and the connector 100
Logical, 200 second end of needle tubing is inserted into cillin bottle, and the liquid in syringe is injected by first passage 310 in cillin bottle.
The length of second channel 420 is less than the length of the first passage 310, and second channel 420 is located at described first
Between the first end and second end in channel 310.
Other structures are identical as embodiment three.
From the above mentioned, the utility model is using the double pipe structure that one is long and the other is short, wherein short tube is penetrated through with extraneous, passes through length
Pipe injects radioactive solution or dilution physiological saline into bottle, and short tube plays the role of equilibration flask inner air and outer air pressure, keeps away
Exempt from since air pressure is excessively high and lead to the outside splash of radiopharmaceutical in bottle in bottle；Drug in bottle is avoided to be exposed to environment, to make
Operating personnel exempt from and come to harm；Meanwhile the utility model injection needle is simple in structure, production cost is low, is convenient for utilization and extention.
It is not only in the description and the implementation although the embodiments of the present invention have been disclosed as above
Listed utilization, it can be applied to various fields suitable for the present invention completely, for those skilled in the art,
Other modifications may be easily implemented, therefore without departing from the general concept defined in the claims and the equivalent scope, this reality
It is not limited to specific details and legend shown and described herein with novel.
Claims (8)
1. a kind of antispray two-tube injection needle, which is characterized in that including：
Connector, first end can be connect with syringe；
Needle tubing, is connected to the second end of the connector, at least provided with two independent first passages and second in the needle tubing
Channel, the first end of the first passage are connected to the connector second end, and the second end of the first passage opens wide setting, institute
The first end and second end for stating second channel all opens wide setting；
Wherein, the second channel is located between the first end and second end of the first passage；
The needle tubing is outer crosspointer header structure, and the needle tubing, which is divided into, is disposed in parallel in the first syringe needle and the second syringe needle, described second
Syringe needle is arranged on the outside of first syringe needle；
Interval is connected to the second channel through several through-holes, the through-hole is offered on the lateral wall of second syringe needle.
2. antispray two-tube injection needle as described in claim 1, which is characterized in that the needle tubing is interior crosspointer header structure,
It is divided into the needle tubing and is disposed in parallel in the first syringe needle and the second syringe needle, second syringe needle is arranged outside first syringe needle
Side, the gap between the needle tubing madial wall and first syringe needle, the second syringe needle lateral wall are filled densification.
3. antispray two-tube injection needle as claimed in claim 1 or 2, which is characterized in that the first passage is through described
First syringe needle both ends, and be connected to inside the first passage and the connector, the second channel runs through second syringe needle two
End.
4. antispray two-tube injection needle as claimed in claim 3, which is characterized in that second needle length is less than described
First needle length, second syringe needle is between the first syringe needle first end and second end.
5. antispray two-tube injection needle as claimed in claim 4, which is characterized in that first syringe needle and the second syringe needle
Needle point line is consistent with the length direction of the needle tubing, and the needle point of first syringe needle and the second syringe needle is open back to setting.
6. antispray two-tube injection needle as described in claim 1, which is characterized in that the needle tubing is single needle header structure, institute
It states first passage and runs through the needle tubing both ends, and be connected to inside the first passage and the connector, the second channel opens up
In the madial wall of the needle tubing side, the first passage is spaced apart with the second channel.
7. antispray two-tube injection needle as claimed in claim 6, which is characterized in that the first passage and second channel
Length direction is parallel, and interval is connected to the second channel through several through-holes, the through-hole is offered on the needle tubing lateral wall.
8. antispray two-tube injection needle as claimed in claim 6, which is characterized in that the second channel is opened in described the
In the needle tubing madial wall in one channel periphery, the second channel is annular channel, is spaced and runs through on the needle tubing lateral wall
Several through-holes are offered, the through-hole is connected to the second channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720436130.9U CN208081515U (en) | 2017-04-24 | 2017-04-24 | Antispray two-tube injection needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720436130.9U CN208081515U (en) | 2017-04-24 | 2017-04-24 | Antispray two-tube injection needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208081515U true CN208081515U (en) | 2018-11-13 |
Family
ID=64067052
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720436130.9U Expired - Fee Related CN208081515U (en) | 2017-04-24 | 2017-04-24 | Antispray two-tube injection needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208081515U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106963643A (en) * | 2017-04-24 | 2017-07-21 | 苏州科技城医院 | Antispray two-tube injection needle |
| CN115228369A (en) * | 2022-08-23 | 2022-10-25 | 四川大学 | Reagent liquid preparation robot for automatic preparation of powdery reagent |
-
2017
- 2017-04-24 CN CN201720436130.9U patent/CN208081515U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106963643A (en) * | 2017-04-24 | 2017-07-21 | 苏州科技城医院 | Antispray two-tube injection needle |
| CN115228369A (en) * | 2022-08-23 | 2022-10-25 | 四川大学 | Reagent liquid preparation robot for automatic preparation of powdery reagent |
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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: 20181113 Termination date: 20210424 |