A kind of Novel anti-stab hinders precision filter infusion set
The utility model is related to the field of medical instrument technology, more particularly to a kind of Novel anti-stab hinders precision filter infusion set.
China human mortality is numerous, is infusion big country, and annual amount of infusion is everyone 8 bottles average at 10,400,000,000 bottles.Traditional infusion
The metal transfusion needle of device generally use is infused, and in infusion process, when transfusion part activity easily causes sepage phenomenon,
That is needle once needle will be subsided a swelling with the method for both cold and hot applications, and it is possible that leads to phlebitis, to patient
Bring secondary injury.In contact pin and during pulling out needle, transfusion needle is also easy to stab the arm of nurse, especially when patient is with biography
When catching an illness, the risk caught an illness can be brought to nurse.In addition traditional infusion apparatus integrated level is low, function is single, without filtering work(
In order to which the various particles reduced in liquid damage human body, general infusion apparatus has liquid medicine filtering device, state
In family's standard, common liquid medicine filter can only filter out 20 microns or more of particle, but 5-20 microns of particle accounts in most liquids
It is also maximum to human injury than maximum.Particularly with severe postoperative patient or newborn, since their resistance compares
Low, pure drug is particularly important to them.Current precision liquid medicine filter can effectively filter 5 microns or more micro-
Grain, but have the following disadvantages：When liquid is feeding-up or injects Chinese patent drug, accurate filter may be blocked, influenced
Utility model content
The purpose of this utility model is to provide a kind of Novel anti-stabs to hinder precision filter infusion set, solves transfusion needle and stabs
Patient or the problem of nurse, while there is filtering liquid medicine.
To solve the above-mentioned problems, the utility model provides a kind of Novel anti-stab and hinders precision filter infusion set, including according to
The secondary transfusion needle portion being set on a hose, the first locking folder, resistance bacterium portion, flow regulator, precision liquid medicine filter, automatic exhaust
Part, dropping funnel, the second locking folder and exhaust modeling needle portion, the transfusion needle portion include the transfusion catheter connected with hose, through defeated
Fluid catheter and be fixed on a needle stand implanting needle, be socketed on implanting needle and end is fixed on transfusion catheter first end
The soft needle of infusion and barrier plug and Anti-stabbing plug in transfusion catheter, the soft needle connection transfusion catheter of infusion.It is described
Precision liquid medicine filter includes the upper shell equipped with gas vent, lower housing and the hollow space formed set on upper shell and lower housing
Interior filter membrane, the upper shell and lower housing are interference fitted, and the infusion entrance connected with hose, institute are formed on the upper shell
State the infusion outlet that formation is connected with hose on lower housing.
Further, the barrier plug and Anti-stabbing are respectively equipped with the first passage coordinated with implanting needle and second and lead to beyond the Great Wall
Road forms protrusion on the second channel, and the implanting needle is equipped with and the matched groove of protrusion.
Further, the soft needle of infusion connects hose by transfusion catheter.
Further, the first end of the transfusion catheter connects a protective jacket.
Further, the soft needle of infusion is made of TPU materials, and the hose is made of TPE material, the barrier plug
It is made with Anti-stabbing plug of rubber material.
Further, the hose is connected with transfusion catheter by a catheter block.
Further, the needle stand is placed in the second end of transfusion catheter.
Further, it is described protrusion to Anti-stabbing plug end distance be more than the groove to importing needle end part away from
Compared with prior art, there are following technique effects for the utility model：
1st, a kind of Novel anti-stab of the utility model offer hinders precision filter infusion set, using with flexible TPU materials
Soft needle of infusing is infused, and is avoided soft needle of infusing in infusion process and is stabbed blood vessel, and soft needle of infusing does not contain plasticizer, more
Safety.Soft needle of infusing also prevents the phenomenon that nurse hurts oneself in operation, equally has practicability to medical worker.
2nd, for needing the patient to infuse for a long time, precise filtering device can substantially reduce intravascular accumulative drug
Description of the drawings
Fig. 1 is the structural perspective of the utility model；
Fig. 2 is the structural perspective in transfusion needle portion；
Fig. 3 is the partial enlarged view of Fig. 2；
Fig. 4 is the schematic diagram of the Anti-stabbing plug of the utility model；
Fig. 5 is the schematic diagram being stuck in after the implanting needle of the utility model is pulled out in Anti-stabbing plug；
Fig. 6 is the partial enlarged view of Fig. 5.
Wherein：1st, transfusion needle portion, 101, protective jacket, 102, implanting needle, 1021, groove, 103, the soft needle of infusion, 104, infusion
Conduit, 1041, transfusing chamber, 105, barrier plug, 106, Anti-stabbing plug, 1061, protrusion, 107, needle stand, 108, catheter block, 2, first
Locking presss from both sides, and 3, resistance bacterium portion, 4, flow regulator, 5, precision liquid medicine filter, 6, automatic exhaust part, 7, dropping funnel, the 8, second locking
Folder, 9, exhaust modeling needle portion.
Below in conjunction with attached drawing, lift a specific embodiment and be described in detail.
As shown in Figure 1-Figure 3, a kind of Novel anti-stab hinders precision filter infusion set, including the infusion being sequentially arranged on a hose
Needle portion 1, the first locking folder 2, resistance bacterium portion 3, flow regulator 4, precision liquid medicine filter 5, automatic exhaust part 6, dropping funnel 7, second
Locking folder 8 and exhaust modeling needle portion 9.Transfusion needle portion 1 includes infuse soft needle 103, implanting needle 102, protective jacket 101, transfusion catheter
104th, barrier plug 105, Anti-stabbing plug 106 and needle stand 107.Soft needle 103 of infusing is made of TPU materials, does not contain plasticizer,
It is that country advocates the medical material used.Soft needle 103 of infusing is socketed on implanting needle 102, and the one end for soft needle 103 of infusing is riveted on
On the first end of transfusion catheter 104, and connected by transfusion catheter 104 with hose.Infuse soft needle 103 outside be equipped with one
A protective jacket 101, the end of protective jacket 101 are socketed in the first end of transfusion catheter 104, using preceding protective jacket 101 to infusion
Soft needle 103 has fungi-proofing effect, and when infusion gently pulls out.Implanting needle 102 is made of stainless steel, for puncturing blood
It manages and the soft needle 103 that will infuse is imported in blood vessel.The groove 1021 to concave into is provided on implanting needle 102.Implanting needle 102 passes through
Transfusion catheter 104, barrier plug 105 and Anti-stabbing plug 106 are worn, and is fixed on needle stand 107.Infusion is formed on transfusion catheter 104
Chamber 1041, the transfusing chamber 1041 connect infuse soft needle 103 and hose, and transfusing chamber 1041 passes through a catheter block with hose junction
108 are connected, with convenient for assembly with dismounting transfusion catheter 104 and hose.Transfusing chamber 1041 close to barrier plug 105, fill in by barrier
105 have guiding and iris action, prevent liquid or blood from flowing to the external world, ensure that liquid enters transfusion catheter 104 from hose
Transfusing chamber 1041 after exported by soft needle 103 of infusing, and the blood back generated during contact pin due to pressure by barrier plug 105 gear
Firmly without leaking outside.The center of barrier plug 105 is equipped with the first passage of implanting needle 102, has guiding role to implanting needle 102.Resistance
Stopper 105 is close to Anti-stabbing plug 106, the second channel for being centrally formed implanting needle 102 of Anti-stabbing plug 106, is set on second channel
Have with the groove 1021 matched raised 1061, for blocking implanting needle 102, prevent implanting needle 102 from shaking and stabbing medical care
Personnel, the distance of protrusion 1061 to 106 end of Anti-stabbing plug are more than the distance that the groove 1021 arrives 102 end of implanting needle, from
And after realizing extraction implanting needle 102, the syringe needle of implanting needle 102 is placed in Anti-stabbing plug 106, i.e., inside second channel.Barrier plug
105 and Anti-stabbing plug 106 be made of rubber material, and be interference fitted respectively with transfusion catheter 104, realize sealing.Needle stand 107
The second end of transfusion catheter 104 is placed on, convenient for extracting implanting needle 102 out.
Precision liquid medicine filter 5 has upper shell, lower housing and filter membrane to form.Upper shell and lower housing interference fit,
Filter membrane is arranged in the hollow space that upper shell and lower housing are formed, and affixed from top to bottom three layer filtration film, is used for
Filtering liquid medicine.The infusion entrance connected with hose is formed on upper shell, the infusion outlet connected with hose is formed on lower housing.It is defeated
During liquid, liquid enters from the infusion entrance on upper shell, and outflow is exported from the infusion on lower housing after membrane filtration.Upper casing
Gas vent is provided on body, for the gas being mingled in liquid to be emitted.Accurate filter is more suitable for severe, postoperative patient
The crowd lower for the resistance such as person and newborn, because pure liquid is extremely important for this kind of crowd.From the angle of liquid
For, the particle number in Chinese medicine preparation is more, and common filter easily generates liquid absorption and influences filter effect, thus
Stability is poor, this application involves precision liquid medicine filter 5 solve the problems, such as this by using the form of multistage filtering, so as to
It further ensure that the drug safety of patient.
In infusion process, the first locking folder 2 and the second locking press from both sides the 8 pairs of control actions of infusion with open and close, are closing
Under state, the first locking folder 2 and the second locking press from both sides the 8 hydraulic pressure 15s for being able to persistently bear 20KPa.
Resistance bacterium portion 3 is connect using public screwed union with hose, and resistance bacterium plug is socketed in the outer ring of junction, for hindering
Only external bacterium is entered by public screwed union in liquid.
Automatic exhaust part 6 is set to the upper end of precision liquid medicine filter 5, for discharging the gas in liquid, protects as far as possible
The liquid that card enters in precision liquid medicine filter 5 does not contain gas.
Exhaust modeling needle portion 9 includes puncture outfit and the plastic handle and air filter that are connected respectively with puncture outfit, plastics hand
The other end connection hose of handle, when use, which need to only puncture, once can be completed out liquid and exhaust, convenient for clinical transfusion bag and infusion
In use, the puncture portion for being vented modeling needle portion 9 is inserted into infusion bottle or infusion bag, flow regulator 4 is placed on most
Big position makes dropping funnel 7 vertical, removes protective jacket 101, and infusion bottle or the liquid level of infusion bag is kept to have 1m with transfusion needle portion 1
Pressure, without hand squeeze dropping funnel 7, liquid is freely arranged down.With visual observation, the bubble generated in discharge opeing process is entering precision
It has been discharged before liquid medicine filter 5, has alleviated the troublesome operation that nursing staff comes for vent strip.After liquid dredging, it will flow
Measure adjuster 4 adjust to minimum, be then introduced into needle 102 be inserted into patient vessel in, infuse soft needle 103 with implanting needle 102 into
Enter blood vessel, then slowly extracted implanting needle 102 by needle stand 107, until the protrusion 1061 on Anti-stabbing plug 106 is caught in importing
In groove 1021 on needle 102.The flow velocity of liquid is adjusted to suitable state by adjustment flow regulator 4 again.
In the utility model, soft needle 103 of infusing is made of TPU materials, and has certain flexibility, and hose uses TPE material,
TPU and TPE material do not contain plasticizer, more healthy and environmentally friendly, and flexible speciality determines soft needle of infusing in infusion process
103 will not hurt blood vessel.
Disclosed above is only the specific embodiment of the application, but the application is not limited to this, any this field
Technical staff can think variation, should all fall in the protection domain of the application.