CN208911134U - A kind of pumpback needling device - Google Patents
A kind of pumpback needling device Download PDFInfo
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- CN208911134U CN208911134U CN201820805474.7U CN201820805474U CN208911134U CN 208911134 U CN208911134 U CN 208911134U CN 201820805474 U CN201820805474 U CN 201820805474U CN 208911134 U CN208911134 U CN 208911134U
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- pumpback
- needle
- main cylinder
- attachment base
- unit
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Abstract
A kind of pumpback needling device of the utility model, including pumpback component and main cylinder, the pumpback component is removably connect with the main cylinder, the pumpback component includes the first puncture unit and second pierces through unit, and the first puncture unit is connected with the second puncture unit by pumpback attachment base；It is provided with card slot on the pumpback attachment base, the buckle to match with the card slot is provided on the main cylinder, the pumpback attachment base and the main cylinder are clamped.The pumpback needling device of the utility model, structure is simple, high-efficient, strong applicability.
Description
Technical field
The utility model relates to medical instruments field more particularly to pumpback needling devices.
Background technique
The Ministry of Public Health, China in 2014 promulgated newest " infusion care operation specification ", clear stipulaties center
Ductus venosus (CVC) includes that Peripherally Inserted Central Catheter (PICC) all must determine that conduit exists by drawing back blood
Intravenously.INS is in " 2016 infusion treatment practice standard " washing pipe and tube sealing standard: before each infusion, Ying Chongxi blood vessel is logical
Road device, and blood is drawn back, to assess catheter functions, prevent complication.In clinical infusion work, common test mode is first
Syringe ozzle is connected to perfusion tube, pulls injector push-rod, whether observation inlying catheter front end has blood return phenomenon, has obvious
Blood back then show that pipeline is unobstructed, if without blood back or blood back slowly if show occur plugging in pipeline, need to set pipe again.It is this
The inspection structure for drawing back blood depends on syringe itself, and structure is simple and crude, and efficiency is lower, pumpback dynamics and apart from can because operation
Habit is different and has differences.
Utility model content
In view of this, structure is simple the purpose of this utility model is to provide a kind of pumpback needling device, and it is high-efficient, it fits
It is strong with property.
In order to achieve the above object, the utility model provides the following technical solutions:
A kind of pumpback needling device, including pumpback component and main cylinder, the pumpback component and the main cylinder are detachable
Connection, the pumpback component include first pierce through unit and second pierce through unit, it is described first pierce through unit and described second
Unit is pierced through to connect by pumpback attachment base；
It is provided with card slot on the pumpback attachment base, the buckle to match with the card slot is provided on the main cylinder,
The pumpback attachment base and the main cylinder are clamped.
Preferably, the pumpback connection seat both sides are provided with sliding slot, are provided on the main cylinder and the sliding slot phase
The track groove matched.
Preferably, the first puncture unit includes that the first needle thorn and the first needle pierce chamber；
The second puncture unit includes pumpback actuator, the pressing piece connecting with pumpback actuator upper end and institute
State the return unit and the second needle thorn of the connection of pumpback actuator lower end.
Preferably, the pumpback actuator includes that pumpback plug, the piston seat being arranged in the pumpback plug and pumpback cover,
The pressing piece and the pumpback hold connection to drive the pumpback plug to move up and down along the pumpback attachment base beyond the Great Wall, described
The second needle thorn chamber is formed between piston seat and the pressing piece, the first needle thorn chamber and second needle thorn chamber are pierced by needle and connected
Siphunculus connection, pumpback plug lower end are provided with pumpback chamber, and the second needle thorn setting is intracavitary in the pumpback, and through described
Pumpback plug, piston seat and pumpback capping, the return unit is set in outside the second needle thorn and one end is arranged at described time
Take out intracavitary, the other end and the pumpback capping are in contact.
Preferably, the card slot includes the first card slot and the second card slot, when pressing the pumpback attachment base by pressing piece
When lunging row puncture by the first needle thorn and the second needle, the main cylinder passes through second card slot and the pumpback attachment base card
It connects, when without puncturing, the main cylinder is clamped by first card slot and the pumpback attachment base.
According to above-mentioned technical solution, it is recognised that a kind of pumpback needling device of the utility model, including pumpback component
And main cylinder, the pumpback component are removably connect with the main cylinder, the pumpback component include first pierce through unit and
Second pierces through unit, and the first puncture unit is connected with the second puncture unit by pumpback attachment base；The pumpback connects
It is provided with card slot on joint chair, the buckle to match with the card slot, the pumpback attachment base and institute are provided on the main cylinder
State main cylinder clamping.First puncture unit and the second puncture unit are connected to perfusion tube, i.e., whether observable inlying catheter front end
There is blood return phenomenon, main cylinder makes the first of pumpback component to pierce through unit and the second puncture unit is being pierced through by being equipped with
It draws back more convenient when blood, while also playing more safe to the protection of pumpback component, structure is simple, and it is high-efficient, it is applicable in
Property is strong.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the Structure explosion diagram of the pumpback needling device of the utility model；
Fig. 2 is the backsight structure chart of the pumpback needling device of the utility model；
Fig. 3 is the main structure figure of the pumpback needling device of the utility model；
Fig. 4 is the structure chart of the pumpback component of the utility model；
Fig. 5 is the cross-sectional view of the pumpback component of the utility model.
Wherein, it is marked in attached drawing as follows:
1- second pierces through unit, and 2- first pierces through unit, and 3- needle pierces communicating pipe, 4- piston seat, 5- pumpback plug, and 6- resets
Part, 7- pumpback capping, the second needle of 8- thorn, the first needle of 9- thorn, 10- pressing piece, the second needle of 101- thorn chamber, the first card slot of 105-,
The second card slot of 106-, 107- buckle, 108- sliding slot, 109- track groove.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1-5 is please referred to, Fig. 1 is the Structure explosion diagram of the pumpback needling device of the utility model；Fig. 2 is the utility model
Pumpback needling device backsight structure chart；Fig. 3 is the main structure figure of the pumpback needling device of the utility model；Fig. 4 is this
The structure chart of the pumpback component of utility model；Fig. 5 is the cross-sectional view of the pumpback component of the utility model.
In one specific embodiment of the utility model, as shown in Fig. 1,3 and 5, a kind of pumpback needling device, including main cylinder
Body 31 and pumpback component, the pumpback component are removably connect with the main cylinder 31, and the pumpback component includes the first thorn
It wears unit 2 and second and pierces through unit 1, the first puncture unit 2 and the second puncture unit 1 are connected by pumpback attachment base
It connects, card slot is provided on pumpback attachment base, the buckle 107 to match with the card slot is provided on the main cylinder 31, it is described
Pumpback attachment base and the main cylinder 31 are clamped, and described first, which pierces through unit 2, pierces chamber including the first needle thorn 9 and the first needle；It is described
Second puncture unit 1 drives including pumpback actuator, the pressing piece 10 connecting with pumpback actuator upper end, with the pumpback
The return unit 6 and the second needle thorn 8 of part lower end connection；The pumpback actuator includes pumpback plug 5, is arranged in the pumpback plug 5
Piston seat 4 and pumpback capping 7, the pressing piece 10 is connect with 5 upper end of pumpback plug to drive the pumpback plug 5 along institute
State pumpback attachment base up and down motion, formed between the piston seat 4 and the pressing piece 10 second needle thorn chamber 101, described first
Needle pierces chamber and is connected to communicating pipe 3 with second needle thorn chamber 101 by needle thorn, and 5 lower end of pumpback plug is provided with pumpback chamber, described
Second needle thorn, 8 setting is intracavitary in the pumpback, and through the pumpback plug 5, piston seat 4 and pumpback capping 7, the reset
Part 6 is set in outside the second needle thorn 8 and one end setting is intracavitary in the pumpback, and the other end is in contact with pumpback capping 7；
Pipeline is checked before infusion by pumpback component or occurs checking whether pipeline is unobstructed when medical fluid flow velocity is slow in infusion process
When, finger presses pressing piece 10, drives piston seat 4 to move down by pumpback plug 5, makes between 4 top of piston seat and pumpback plug 5
Airtight cavity volume increase, form local decompression, realize intravascular a small amount of blood backflow to inlying catheter, to check that indwelling is led
It whether unobstructed manages.After detection, pressing piece 10 is unclamped, pumpback plug 5 and piston seat 4 reset under the action of return unit 6, return unit 6
It can be spring, be also possible to elastomer block, as long as identical technical effect can be reached, make 4 top of piston seat and pumpback
Airtight cavity between plug 5 restores to original state, and a small amount of blood for oppressing pumpback to inlying catheter is back in blood vessel, completes pipe
The whether unobstructed inspection operation in road, starts infusion of being infused or restore.When infusion, the washing pipe liquid of washing pipe component is by the second needle thorn 8
One end flows into, and then pierces communicating pipe 3 through needle and flows to the vein connecting with pumpback component by the liquid flowing channel of pumpback component
In the inlying catheter of blood vessel, pumpback component is provided with connector, to be docked with inlying catheter.When need to inlying catheter into
When row tube sealing, the first needle thorn 9 as an interface is connected with the sealing liquid pipeline of tube sealing component, the tube-sealing solution in tube sealing component
It is flowed by one end of the first needle thorn 9, then pierce 9 through the first needle and passes through the liquid flowing channel flow direction and vein blood vessel of pumpback component
Connected inlying catheter carries out tube sealing to inlying catheter.
In another specific embodiment of the utility model, such as Fig. 2 and 4, the card slot includes the first card slot 105 and the
Two draw-in groove 106, when by pressing piece 10 press the pumpback component by the first needle thorn 9 and second needle thorn 8 punctured when, institute
It states main cylinder 31 and is clamped by second card slot 106 with the pumpback attachment base, when without puncturing, the main cylinder 31
It is clamped by first card slot 105 with the pumpback attachment base, to check pipeline before being infused by pumpback component
Or when occurring checking whether pipeline is unobstructed when medical fluid flow velocity is slow in infusion process, it can guarantee that pumpback component is all in always
One stable position, while pumpback connection seat both sides are provided with sliding slot 108, are provided on main cylinder 31 and 108 phase of sliding slot
The track groove 109 matched, with the movement for facilitating pumpback component to be well in main cylinder 31 according to the needs of pressing.
In conclusion the pumpback needling device of the utility model, structure is simple, high-efficient, strong applicability.
The foregoing description of the disclosed embodiments can be realized professional and technical personnel in the field or using originally practical new
Type.Various modifications to these embodiments will be readily apparent to those skilled in the art, and determine herein
The General Principle of justice can be realized in other embodiments without departing from the spirit or scope of the present utility model.Cause
This, the present invention will not be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The widest scope consistent with features of novelty.
Claims (5)
1. a kind of pumpback needling device, which is characterized in that including pumpback component and main cylinder, the pumpback component and the main cylinder
Body removably connects, the pumpback component include first pierce through unit and second pierce through unit, it is described first pierce through unit and
The second puncture unit is connected by pumpback attachment base；
It is provided with card slot on the pumpback attachment base, the buckle to match with the card slot is provided on the main cylinder, it is described
Pumpback attachment base and the main cylinder are clamped.
2. pumpback needling device as described in claim 1, which is characterized in that the pumpback connection seat both sides are provided with sliding slot,
The track groove to match with the sliding slot is provided on the main cylinder.
3. pumpback needling device as described in claim 1, which is characterized in that it is described first pierce through unit include the first needle thorn and
First needle pierces chamber；
The second puncture unit includes pumpback actuator, the pressing piece connecting with pumpback actuator upper end, and described time
Take out the return unit and the second needle thorn of the connection of actuator lower end.
4. pumpback needling device as claimed in claim 3, which is characterized in that the pumpback actuator includes pumpback plug, setting
Piston seat and pumpback capping in the pumpback plug, the pressing piece and the pumpback hold connection to drive the pumpback beyond the Great Wall
Plug moves up and down along the pumpback attachment base, forms the second needle thorn chamber between the piston seat and the pressing piece, and described the
One needle, which pierces chamber and second needle thorn chamber and pierced by needle, to be connected to communicating pipe, and pumpback plug lower end is provided with pumpback chamber, and described the
The thorn setting of two needles is intracavitary in the pumpback, and is arranged through the pumpback plug, piston seat and pumpback capping, the return unit
And one end setting outer in second needle thorn is intracavitary in the pumpback, and the other end is in contact with pumpback capping.
5. pumpback needling device as claimed in claim 4, which is characterized in that the card slot includes the first card slot and the second card
Slot, when being pressed by pressing piece, the pumpback attachment base is pierced by the first needle and the second needle lunges when going puncture, the main cylinder
It is clamped by second card slot and the pumpback attachment base, when without puncturing, the main cylinder blocks by described first
Slot and the pumpback attachment base are clamped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820805474.7U CN208911134U (en) | 2018-05-28 | 2018-05-28 | A kind of pumpback needling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820805474.7U CN208911134U (en) | 2018-05-28 | 2018-05-28 | A kind of pumpback needling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208911134U true CN208911134U (en) | 2019-05-31 |
Family
ID=66692388
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820805474.7U Active CN208911134U (en) | 2018-05-28 | 2018-05-28 | A kind of pumpback needling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208911134U (en) |
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2018
- 2018-05-28 CN CN201820805474.7U patent/CN208911134U/en active Active
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