CN208905878U - Blue hole needle injection - Google Patents
Blue hole needle injection Download PDFInfo
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- CN208905878U CN208905878U CN201721566313.9U CN201721566313U CN208905878U CN 208905878 U CN208905878 U CN 208905878U CN 201721566313 U CN201721566313 U CN 201721566313U CN 208905878 U CN208905878 U CN 208905878U
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- syringe
- channel
- push rod
- needle
- needle injection
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Abstract
The utility model provides a kind of blue hole needle injection; including syringe; and one end is movably arranged at the push rod in syringe; push rod has through the channel at both ends; needle tubing is equipped in syringe; one end of needle tubing is fixed at the injection port of syringe, and the other end of needle tubing can be inserted into channel, and the protective case for preventing needle tubing from scratching the inner wall in channel is embedded on the inner wall in channel.Indigo plant hole provided by the utility model needle injection; by protecting Analysis of Nested Design, abrasion of the needle tubing to vias inner walls is effectively prevented, to ensure that when seal wire enters human vas; the exfoliation worn away is not had by entering in human body, effectively prevents the generation of malpractice.
Description
Technical field
The utility model belongs to injector technology field, is to be related to a kind of blue hole needle injection more specifically.
Background technique
With intervention operation rapid development, syringe clinically using more and more extensive.The function of syringe
As clinical application gradually increases, structure is also changed therewith, and blue hole needle injection is exactly a kind of follow-on injection
Device.Blue hole needle injection is configured usually as the product of intervention operation packet class, after patients surgery puncture, blue hole needle injection
After device is filled with physiological saline, heparin water or medical fluid, puncture needle is accessed, seal wire can be via the rear end handle position of blue hole needle injection
Into human body, after seal wire enters, blue hole needle injection can squeeze into physiological saline, can also extract blood etc. from human body.
The blue hole needle injection of existing clinical use, push rod are made of high molecular material such as polypropylene etc., and needle tubing uses
Stainless steel is made, and during push rod pull repeatedly, needle tubing can ceaselessly rub with push rod inner wall, leads to have height inside push rod
Molecular material is worn away, and generates exfoliation, and when seal wire enters inside push rod, these exfoliations can be pushed into the human body by seal wire, is made
At patient body discomfort, malpractice is even resulted in.
Utility model content
The purpose of this utility model is to provide a kind of blue hole needle injection, with solve needle tubing existing in the prior art with
The technical issues of wall friction generates exfoliation and causes patient body uncomfortable and malpractice in push rod.
In order to achieve the above purposes, the technical solution adopted by the utility model is: provides a kind of blue hole needle injection, including
Syringe and one end are movably arranged at the push rod in the syringe, and the push rod has to be set in the channel at both ends, the syringe
There is needle tubing, one end of the needle tubing is fixed at the injection port of the syringe, and the other end of the needle tubing can be inserted into the channel
In, the protective case for preventing the needle tubing from scratching the inner wall in the channel is embedded on the inner wall in the channel.
Preferably, the protective case is steel pipe.
Further, the channel includes fillet part, and the fillet part is respectively arranged on the both ends of the protective case, the circle
The internal diameter in corner is gradually increased along the direction far from the protective case.
Further, the push rod is equipped with the first limiting section, and the syringe is equipped with the second limiting section, first limit
Position portion is stuck in second limiting section.
Further, one end of the push rod is arranged with the piston for sealing the push rod Yu the syringe junction.
Further, the other end of the push rod is equipped with the handle for driving the push rod to move reciprocatingly.
Further, the channel further includes holding part, and the handle includes the interconnecting piece that can be placed in the holding part,
And the grip part being connect with the interconnecting piece.
Further, the interconnecting piece is equipped with rubber plug, and the channel further includes being connected to the holding part and the circle
Sealing between corner, the rubber plug are jammed in the sealing.
Further, the bracket for installing the rubber plug is equipped between the rubber plug and the interconnecting piece.
Further, the liquid overflow hole communicated with the syringe is offered on the needle tubing.
The beneficial effect of indigo plant hole provided by the utility model needle injection is: compared with prior art, the utility model
Blue hole syringe by being embedded with protective case on the inner wall in channel, in this way, the indigo plant hole needle injection is in draw process, needle
Pipe will move reciprocatingly in protective case, and needle tubing rubs in protective case, to effectively prevent needle tubing to channel
The abrasion of inner wall does not have the exfoliation worn away by entering in human body, effectively to ensure that when seal wire enters human vas
The generation for preventing malpractice.Simultaneously as the indigo plant hole needle injection can pull repeatedly, so that doctor when in use may be used
More to loosen, it is effectively guaranteed being normally carried out for operation.
Detailed description of the invention
It, below will be to embodiment or the prior art in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing needed in description is briefly described, it should be apparent that, the accompanying drawings in the following description is only that this is practical new
Some embodiments of type for those of ordinary skill in the art without any creative labor, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the assembling schematic diagram of blue hole needle injection provided by the embodiment of the utility model；
Fig. 2 is the structural schematic diagram of the syringe and needle tubing in Fig. 1；
Fig. 3 is the structural schematic diagram of the push rod and handle etc. in Fig. 1；
Fig. 4 is the schematic diagram of internal structure of the push rod in Fig. 3；
Fig. 5 is the operation schematic diagram of blue hole needle injection provided by the embodiment of the utility model.
Wherein, each appended drawing reference in figure:
1- syringe；2- push rod；3- needle tubing；4- protective case；5- piston；6- handle；7- bracket；8- rubber plug；9- seal wire；10-
Injection port；The second limiting section of 12-；The channel 20-；21- piston mounting portion；The first limiting section of 22-；30- liquid overflow hole；51- fixture block；
61- interconnecting piece；The grip part 62-；71- disk；The first protrusion 72-；The second protrusion 73-；The straight line portion 201-；202- fillet part；
203- sealing；204- holding part；211- card slot；2021- small end；2022- big end.
Specific embodiment
In order to which technical problem to be solved in the utility model, technical solution and beneficial effect is more clearly understood, with
Lower combination accompanying drawings and embodiments, the present invention will be further described in detail.It should be appreciated that specific reality described herein
It applies example to be only used to explain the utility model, is not used to limit the utility model.
It should be noted that it can be directly another when element is referred to as " being fixed on " or " being set to " another element
On one element or indirectly on another element.When an element is known as " being connected to " another element, it can
To be directly to another element or be indirectly connected on another element.
It is to be appreciated that term " length ", " width ", "upper", "lower", "front", "rear", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "top", "bottom" "inner", "outside" is that orientation based on the figure or position are closed
System, is merely for convenience of describing the present invention and simplifying the description, rather than the device or element of indication or suggestion meaning are necessary
It with specific orientation, is constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more of the features.The meaning of " plurality " is two or two in the description of the present invention,
More than, unless otherwise specifically defined.
Also referring to Fig. 1 to Fig. 4, now blue hole needle injection provided by the utility model is illustrated.The Lan Kongzhen
Syringe includes syringe 1 and push rod 2, and one end of push rod 2 is movably arranged in syringe 1, i.e., when pushing and pulling the other end of push rod 2, pushes away
One end of bar 2 can move reciprocatingly in syringe 1.Specifically, push rod 2 has through the channel 20 at both ends, channel 20, which is located at, to be pushed away
At the center of bar 2, and channel 20 is equipped with needle tubing 3 in rotational-like in syringe 1, and one end of needle tubing 3 is set to the injection port of syringe 1
At 10, injection port 10 is located at one end opposite with push rod 2 of syringe 1, that is to say that syringe 1 is used for the one of human injection's liquid
The other end at end, needle tubing 3 can be inserted into channel 20.Particularly, protective case 4 is embedded on the inner wall in channel 20, protective case 4 is used for
Prevent needle tubing 3 from scratching the inner wall in channel 20, specifically, referring to Fig. 5, the indigo plant hole needle injection uses in intervention operation
When, seal wire 9 can be inserted into from the other end of push rod 2, entered from channel 20, sequentially passed through protective case 4, needle tubing 3, injection port 10, most
Enter in human vas afterwards.In the embodiments of the present invention, above-mentioned protective case 4 is embedded at logical by way of interference fit
On the inner wall in road 20, to guarantee positioning of the protective case 4 in channel 20.Certainly, in the other embodiments of the utility model, root
According to actual conditions and specific requirement, above-mentioned protective case 4 can also be fixed on channel 20 by way of alite paste or clamping
In inner wall, unique restriction is not done herein.
Indigo plant hole provided by the utility model needle injection, compared with prior art, the blue hole syringe of the utility model is logical
It crosses on the inner wall in channel 20 and is embedded with protective case 4, in this way, the indigo plant hole needle injection is in draw process, needle tubing 3 will protected
It moves reciprocatingly in sheath 4, needle tubing 3 rubs in protective case 4, to effectively prevent needle tubing 3 to 20 inner wall of channel
Abrasion, thus ensure that seal wire 9 enter human vas when, do not have the exfoliation worn away by entering in human body, effectively
Prevent the generation of malpractice.Simultaneously as the indigo plant hole needle injection can pull repeatedly, so that doctor when in use can be with
More loosen, is effectively guaranteed being normally carried out for operation.
Preferably as a kind of specific embodiment of blue hole needle injection provided by the utility model, above-mentioned protective case 4
The outer wall of preferably steel pipe, steel pipe is adapted with the inner wall in channel 20, and the inner wall of steel pipe is adapted with the outer wall of needle tubing 3, is passed through
The setting of steel pipe, so that the channel 20 of push rod 2 is more firm, it is not easy to deform.In addition, the material of above-mentioned needle tubing 3 is preferably
Stainless steel, in this way, damage and clast will not be generated when needle tubing 3 and steel pipe are rubbed repeatedly.
Further, Fig. 3 and Fig. 4 is please referred to, a kind of specific reality as blue hole needle injection provided by the utility model
Mode is applied, above-mentioned channel 20 includes two fillet parts 202, and two fillet parts 202 are respectively arranged on the both ends of protective case 4, fillet part 202
Internal diameter is gradually increased along the direction far from protective case 4.Specifically, above-mentioned channel 20 further includes straight line portion 201, straight line portion 201
Internal diameter is adapted with the outer diameter of protective case 4, and two fillet parts 202 are connected to the both ends of straight line portion 201, and fillet part 202 is along remote
Direction from protective case 4 includes small end 2021 and big end 2022, and the internal diameter of small end 2021 is identical as straight line portion 201, big end 2022
Internal diameter be greater than straight line portion 201 internal diameter.In the present embodiment, by the design of two fillet parts 202, so as to allow seal wire 9 to have
Effect is passed through in protective case 4, while needle tubing 3 also being allowed effectively to be inserted into protective case 4.
Further, it please refers to Fig.1 to Fig.3, a kind of specific reality as blue hole needle injection provided by the utility model
Mode is applied, above-mentioned push rod 2 is equipped with the first limiting section 22, and the first limiting section 22 is convexly equipped on the outer surface of push rod 2, on syringe 1
Equipped with the second limiting section 12, the second limiting section 12 is convexly equipped in the inner surface of syringe 1, and the second limiting section 12 is in arc-shaped, the first limit
Position portion 22 is stuck in the second limiting section 12, so that anti-throw-out lever 2 is split away off from syringe 1.
Further, Fig. 1 and Fig. 3 is please referred to, a kind of specific reality as blue hole needle injection provided by the utility model
Mode is applied, one end of above-mentioned push rod 2 is arranged with piston 5, and piston 5 is used to seal the junction of push rod 2 Yu syringe 1.Specifically, living
Plug 5 is made of rubber materials, piston 5 and push rod 2 in rotational-like, the periphery of 2 one end of push rod equipped with piston mounting portion 21,
The inner surface of piston 5 and the outer surface of piston mounting portion 21 are cooperatively connected, and the outer surface of piston 5 and the inner surface of syringe 1 cooperate
Connection, and the inner surface of piston 5 is equipped with fixture block 51, the outer surface of piston mounting portion 21 is equipped with card slot 211, and fixture block 51 is stuck in card slot
In 211, in this way, passing through the setting of piston 5, so that one end of push rod 2 and syringe 1 form the space of sealing, to guarantee the indigo plant hole
Needle injection can complete injection purpose using the characteristic of air pressure.
Further, Fig. 1 and Fig. 3 is please referred to, a kind of specific reality as blue hole needle injection provided by the utility model
Mode is applied, the other end of above-mentioned push rod 2 is equipped with handle 6, and handle 6 moves reciprocatingly for driving push rod 2, in this way, in Lan Kongzhen
When syringe carries out injection work, it is only necessary to which drawing handle 6 can drive push rod 2 to move reciprocatingly in syringe 1, change syringe
The size of 1 internal capacity, thus realize injection work, it is easy to operate and flexible.
Further, Fig. 3, Fig. 4 are please referred to, a kind of specific implementation as blue hole needle injection provided by the utility model
Mode, above-mentioned channel 20 further include holding part 204, and holding part 204 is located at the other end of push rod 2, and the internal diameter of holding part 204 is greater than
2022 internal diameter of big end of fillet part 202, handle 6 include interconnecting piece 61 and grip part 62, and interconnecting piece 61 can be placed in holding part
204, and interconnecting piece 61 is fixedly connected with holding part 204 by welding manner, grip part 62 is connect with interconnecting piece 61, grip part 62
Outer dimension be greater than the outer dimension of interconnecting piece 61, grip part 62 exposes on the outside of the other end of push rod 2, and grip part 62 is used for
It holds for manpower and is moved reciprocatingly with pushing and pulling push rod 2.
Further, Fig. 3, Fig. 4 are please referred to, a kind of specific implementation as blue hole needle injection provided by the utility model
Mode, above-mentioned interconnecting piece 61 are equipped with rubber plug 8, and rubber plug 8 is made of silica gel, and channel 20 further includes sealing 203, sealing
203 are connected between holding part 204 and fillet part 202, and sealing 203 and holding part 204 are stepped, and sealing 203
Internal diameter is equal to the internal diameter of 202 big end 2022 of fillet part, and rubber plug 8 is jammed in sealing 203, in this way, can be by channel by rubber plug 8
20 are sealed, to guarantee that rubber plug 8 can be effectively prevented when blue hole needle injection accesses central venous catheter or puncture needle
Blood or medical fluid inside needle tubing 3, push rod 2 by overflowing.
Further, Fig. 3, Fig. 4 are please referred to, a kind of specific implementation as blue hole needle injection provided by the utility model
Mode, is equipped with bracket 7 between above-mentioned rubber plug 8 and interconnecting piece 61, bracket 7 is used to rubber plug 8 being installed on interconnecting piece 61.Specifically
, bracket 7 includes disk 71, is convexly equipped in first protrusion 72 of 71 one end of disk, and be convexly equipped in the second of 71 other end of disk
Protrusion 73, rubber plug 8 are set on the first protrusion 72 by silica gel oil jacket, and the second protrusion 73 is inserted on interconnecting piece 61.Specific installation
When, rubber plug 8 is coated into silica gel oil first, then rubber plug 8 is sheathed on the first protrusion 72, is then inserted in the second protrusion 73
On interconnecting piece 61, then rubber plug 8 is jammed in sealing 203, interconnecting piece 61 is placed in holding part 204, and by interconnecting piece
61 are welded together with holding part 204 with ultrasonic welding machine.
Further, referring to Fig. 2, a kind of specific embodiment party as blue hole needle injection provided by the utility model
Formula offers the liquid overflow hole 30 communicated with syringe 1 on above-mentioned needle tubing 3, by the setting of liquid overflow hole 30, so that when seal wire 9 passes through
After Lan Kongzhen injection, the medical fluid inside blue hole needle injection can be squeezed into the human body, and seal wire 9 can be withdrawn from, blue hole needle injection
Device can continue to extract loading liquid again after medical fluid again.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Made any modifications, equivalent replacements, and improvements etc., should be included in the utility model within the spirit and principle of utility model
Protection scope within.
Claims (10)
1. blue hole needle injection, including syringe and one end are movably arranged at the push rod in the syringe, the push rod, which has, to be run through
The channel at both ends, the syringe is interior to be equipped with needle tubing, and one end of the needle tubing is fixed at the injection port of the syringe, the needle tubing
The other end can be inserted into the channel, which is characterized in that be embedded on the inner wall in the channel for preventing the needle tubing will
The protective case that the inner wall in the channel scratches.
2. indigo plant hole as described in claim 1 needle injection, which is characterized in that the protective case is steel pipe.
3. indigo plant hole as described in claim 1 needle injection, which is characterized in that the channel includes fillet part, the fillet part
The both ends of the protective case are respectively arranged on, the internal diameter of the fillet part is gradually increased along the direction far from the protective case.
4. indigo plant hole as claimed in claim 3 needle injection, which is characterized in that the push rod is equipped with the first limiting section, described
Syringe is equipped with the second limiting section, and first limiting section is stuck in second limiting section.
5. indigo plant hole as claimed in claim 4 needle injection, which is characterized in that one end of the push rod is arranged with for sealing
State the piston of push rod Yu the syringe junction.
6. indigo plant hole as claimed in claim 5 needle injection, which is characterized in that the other end of the push rod is equipped with for driving
State the handle that push rod moves reciprocatingly.
7. indigo plant hole as claimed in claim 6 needle injection, which is characterized in that the channel further includes holding part, the handle
Interconnecting piece including the holding part can be placed in, and the grip part being connect with the interconnecting piece.
8. indigo plant hole as claimed in claim 7 needle injection, which is characterized in that the interconnecting piece is equipped with rubber plug, the channel
It further include the sealing being connected between the holding part and the fillet part, the rubber plug is jammed in the sealing.
9. indigo plant hole as claimed in claim 8 needle injection, which is characterized in that be equipped with and use between the rubber plug and the interconnecting piece
In the bracket for installing the rubber plug.
10. indigo plant hole as described in claim 1 needle injection, which is characterized in that offered on the needle tubing and the syringe phase
Logical liquid overflow hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721566313.9U CN208905878U (en) | 2017-11-21 | 2017-11-21 | Blue hole needle injection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721566313.9U CN208905878U (en) | 2017-11-21 | 2017-11-21 | Blue hole needle injection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208905878U true CN208905878U (en) | 2019-05-28 |
Family
ID=66611879
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721566313.9U Active CN208905878U (en) | 2017-11-21 | 2017-11-21 | Blue hole needle injection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208905878U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110215310A (en) * | 2019-06-20 | 2019-09-10 | 张保全 | A kind of insemination instrument |
| CN111803072A (en) * | 2020-08-19 | 2020-10-23 | 上海市东方医院（同济大学附属东方医院） | Sinus detection device |
-
2017
- 2017-11-21 CN CN201721566313.9U patent/CN208905878U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110215310A (en) * | 2019-06-20 | 2019-09-10 | 张保全 | A kind of insemination instrument |
| CN111803072A (en) * | 2020-08-19 | 2020-10-23 | 上海市东方医院（同济大学附属东方医院） | Sinus detection device |
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| GR01 | Patent grant |