Disposable use self-venting transfusion device
Technical field
This utility model belongs to disposable use medical apparatus and instruments, relate in particular to a kind of can be from the disposable infusion set of degassing function.
Background technology
The disposable infusion set of domestic each clinical use of clinical unit of medical institutions; Mainly form by bottle plug puncture unit protective sleeve, bottle plug puncture unit, air filter, infusion tube, dropper, dropping funnel, flow regulator, liquid medicine filter and venoclysis needle; The tradition method for using is: have before the patient not being carried out venipuncture, need to get rid of the transfusion inner air tube.It has two kinds of manual methods usually: the one, bottle plug puncture unit is inserted the transfusion bottle stopper of reversal of the natural order of things after, make dropper get rid of air in the dropping funnel up at lower liquid outlet, treat to charge in the dropping funnel dropping funnel and make it vertically can avoid producing great amount of bubbles after half; Another method is that flow regulator cuts out, pinch press dropping funnel to make it suck about 1/2 to 2/3 place of medicinal liquid to dropping funnel after, slowly open flow regulator, also can avoid producing great amount of bubbles.But these two kinds of methods all will exhaust a lot of times of medical personnel, and are improper as the time having slightly in operation, and medical personnel's a certain amount of medicinal liquid of then will releasing removes to get rid of bubble, brings inconvenience to medical personnel like this.
The utility model content
The purpose of this utility model is to provide a kind of disposable use self-venting transfusion device, and solving existing transfusion device can not self-bleeding technical problem.
For realizing above-mentioned purpose, this utility model adopts following technical scheme:
A kind of disposable use self-venting transfusion device; Comprise bottle plug puncture unit protective sleeve, puncture device, top hose, dropper, dropping funnel, bottom hose, flow regulator, liquid medicine filter and venoclysis needle, the bottle plug puncture unit protective sleeve is placed on the bottle plug puncture unit of puncture device, and puncture device, top hose, dropper, dropping funnel, bottom hose, liquid medicine filter connect successively; The latex cap sleeve is connected on the dosing mouth of dropper; Flow regulator is placed on the bottom hose, and the needle stand of venoclysis needle is socketed on the conehead of liquid medicine filter, in the dropping funnel bottom automatic exhauster is set; Automatic exhauster comprises the automatic exhauster base that is arranged on the dropping funnel bottom; Be provided with air vent from the aerofluxus base, be disposed with air vent air filtration film and venting plug on the air vent outside dropping funnel and press, also be provided with the exhaust passage that links with it on the air vent in dropping funnel; The exhaust passage reaches the top in the dropping funnel; On the exhaust apparatus base, also be provided with liquid outlet channel, bottom hose is connected to the liquid outlet channel bottom, and dropping funnel and bottom hose are through liquid outlet channel UNICOM.
Above-mentioned disposable use self-venting transfusion device; Said liquid outlet channel top is sealed; Vertically be provided with hole slot on the conduit wall of the liquid outlet channel in dropping funnel; Dropping funnel and bottom hose are through the hole slot UNICOM on the liquid outlet channel, and said automatic exhauster and liquid outlet channel all depart from automatic exhauster center position.
Above-mentioned disposable self-venting transfusion device, described hole slot are any in 1,2,3 or 4 that is evenly distributed on the liquid outlet channel wall.
Above-mentioned disposable self-venting transfusion device, described exhaust passage is fixed on the air vent of aerofluxus base, perhaps the exhaust passage be injected into one from the aerofluxus base.
Above-mentioned disposable self-venting transfusion device; Said venting plug is provided with interior plug; Air vent air filtration film is combined on the air vent through the high frequency heat seal process heat, and perhaps air vent air filtration film is squeezed on the air vent by venting plug, and said air vent air filtration film is the hydrophobic material filter membrane.
Above-mentioned disposable self-venting transfusion device; Top hose between bottle plug puncture unit and the dropping funnel is provided with sump assemblies; Sump assemblies is bag or bottle, and storage liquid air vent and storage liquid dosing mouth are set on sump assemblies top, and storage liquid dosing mouth is provided with the latex medicated cap; The top of sump assemblies and bottom all with flexible pipe UNICOM, the top hose on sump assemblies top is provided with clip.
Above-mentioned disposable use self-venting transfusion device, described liquid medicine filter adopts plain edition liquid medicine filter or accurate liquid medicine filter or the accurate liquid medicine filter of aerofluxus.
Above-mentioned disposable use self-venting transfusion device; The small hose of described top hose, dropping funnel, bottom hose and venoclysis needle adopts monolayer or double-layer coextrusion to go out to be processed to form; Liquid medicine filter adopts monolayer or double injection to form, and the small hose of the top hose that double-layer coextrusion goes out, dropping funnel, bottom hose, venoclysis needle and the skin of liquid medicine filter are and contain colored lucifuge material.
Above-mentioned disposable self-venting transfusion device; Described puncture device comprises bottle plug puncture unit, air filtration film and air lock, and air lock is pressed on the air filtration film in the air inlet of bottle plug puncture unit, and perhaps the air filtration film is combined on the air inlet of bottle plug puncture unit through the high frequency heat seal process heat; Bottle plug puncture unit can be the plastic-steel pin; Also can be all-plastic, said air lock be provided with interior plug, and described air filtration film is the hydrophobic material filter membrane.
Above-mentioned disposable self-venting transfusion device; Said puncture device comprises bottle plug puncture unit, exhaust hose and air filter; Air filter is through the air inlet pipe UNICOM in exhaust hose and the bottle plug puncture unit; Bottle plug puncture unit can be plastic-steel perforator or plastics perforator, and exhaust hose adopts monolayer or double-layer coextrusion to go out to be processed to form, and the skin of the exhaust hose that double-layer coextrusion goes out to be processed to form is for containing colored lucifuge material.
Adopt technique scheme, this utility model has following advantage: this utility model is compared with the disposable infusion set of conventional use clinically, is connected with automatic exhauster in the dropping funnel bottom; Automatic exhauster is made up of air lock, air filtration film and exhaust passage, before bottle plug puncture unit being inserted the infusion solutions bottle stopper, opens the interior plug of air lock on bottle plug puncture unit and the automatic exhauster, and closes flow regulator; After inserting infusion bottle; Because air inlet and automatic exhauster and atmosphere on the bottle plug puncture unit, and the hydraulic pressure difference in the infusion bottle make fast automatic the flowing in the dropping funnel of medicinal liquid in the infusion bottle; Rising along with liquid level; Medicinal liquid is the air vent air inlet of the air in the dropping funnel from the top, exhaust passage, through the exhaust passage, air vent air filtration film and air lock mouth discharge, rise to the air inlet of submergence exhaust passage when medicinal liquid after; Get into exhaust passage to air filtration film; Because of the air filtration film has the effusive function of the water of prevention and can bear certain pressure, liquid level also will no longer rise and rest on air inlet top, exhaust passage, promptly greater than 1/2 long place of dropping funnel; Medicinal liquid flows into only needs 3-5 second in the dropping funnel; After opening flow regulator; The bubble-free medicinal liquid that is temporarily stored in the dropping funnel can enter in the bottom hose from hole slot rapidly, and medical personnel need not transfusion device is carried out aerofluxus, have shortened former evacuation time like this; Make things convenient for easy to operate, the saving waiting time of medical personnel, increase work efficiency.
Description of drawings
Fig. 1 is first kind of structural representation of this utility model;
Fig. 2 is second kind of structural representation of this utility model bottle plug puncture unit;
Fig. 3 is the third structural representation of this utility model bottle plug puncture unit;
Fig. 4 is second kind of structural representation of this utility model automatic exhauster;
Fig. 5 is second kind of structural representation of this utility model;
Fig. 6 is the third structural representation of this utility model;
Fig. 7 is the 4th kind of structural representation of this utility model.
The specific embodiment
Below in conjunction with embodiment and contrast accompanying drawing this utility model is done further explain.
Like Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6 and a kind of disposable use self-venting transfusion device shown in Figure 7; The liquid-feeding tube 7, dropper 6, dropping funnel 8, bottom hose 12, flow regulator 13, liquid medicine filter 14 and the venoclysis needle 15 that comprise bottle plug puncture unit protective sleeve 1, puncture device, top hose 5, band latex medicated cap; Bottle plug puncture unit protective sleeve 1 is placed on the bottle plug puncture unit 2 of puncture device, and puncture device, top hose 5, dropper 6, dropping funnel 8, bottom hose 12, liquid medicine filter 14 connect successively, chemical feed pipe 7 be arranged on the dropper and with dropper 6 UNICOMs; Flow regulator 13 is placed on the bottom hose 12; The needle stand of venoclysis needle 15 is socketed on the conehead of liquid medicine filter 14, in dropping funnel 8 bottoms automatic exhauster 9 is set, and automatic exhauster 9 comprises the automatic exhauster base 21 that is arranged on the dropping funnel bottom; Be provided with air vent 9b from aerofluxus base 21; The outer air vent 9b of dropping funnel is provided with air vent air filtration film 10, and air vent air filtration film 10 is pressed on the air vent 9b by venting plug 11, also is provided with the exhaust passage 9a that links with it on the air vent in dropping funnel; Exhaust passage 9a reaches the top in the dropping funnel; On exhaust apparatus base 21, also be provided with liquid outlet channel 9f, liquid outlet channel top 9c seals, and vertically is provided with hole slot 9d on the conduit wall of the liquid outlet channel 9f in dropping funnel; Hole slot 9d is 1,2,3 or 4 that are evenly distributed on the liquid outlet channel wall; Bottom hose 12 is connected to liquid outlet channel 9f bottom (9e), and dropping funnel 8 and bottom hose 12 are through the hole slot 9d UNICOM on the liquid outlet channel 9f, and said automatic exhauster and liquid outlet channel all depart from automatic exhauster center position.
The exhaust passage 9a of this utility model is fixed on the air vent 9b of aerofluxus base, exhaust passage 9a can also be injected into one from aerofluxus base 21.
Plug 11a in the venting plug 11 of this utility model is provided with; Air vent air filtration film 10 can also be combined on the air vent 9b through the high frequency heat seal process heat; Use preceding place not fill in state, in use, when transfusion speed during greater than 50ml/min; Should avoid air from air lock, to get into the interior plug 11a jam-pack of renovating on the venting plug 11.Air vent air filtration film 10 is hydrophobic material filter membranes.
The dropping funnel 8 of this utility model can be that moulding also can be the blowing part, and dropping funnel 8 can be injected into one with dropper 6, and dropping funnel 8 can also injection moulding be bonding with the two again after accomplishing respectively with dropper 6.
The exhaust passage 8a of the automatic exhauster 9 of this utility model can be a plastic material; It also can be stainless steel; The exhaust passage 9a of stainless steel and automatic exhauster 9 bases are compound to be one; The exhaust passage 9a of plastic material can also be injected into one with automatic exhauster 9 bases of plastic material, and plastic material can be PVC, ABS, PC or lighttight medical macromolecular materials etc.
As shown in Figure 6, this utility model can also bottle plug puncture unit 2 and dropping funnel 8 between top hose 5 be provided with sump assemblies 19, sump assemblies is bag or bottle; Storage liquid air vent 20 and storage liquid dosing mouth are set on sump assemblies top; Storage liquid dosing mouth is provided with latex medicated cap 22, the top of sump assemblies and bottom all with flexible pipe UNICOM, the top hose on sump assemblies top is provided with clip 18; Clip is on top hose; Play on-off action, be used to control following of medicinal liquid and stop, clip also available adjustment device replaces.
The liquid medicine filter 14 of this utility model can adopt medium-sized liquid medicine filter, like Fig. 1, Fig. 5, Fig. 6 and shown in Figure 7; Also can adopt the accurate liquid medicine filter of aerofluxus, as shown in Figure 5; Can also adopt accurate liquid medicine filter.
The small hose of the top hose 5 of this utility model, dropping funnel 8, bottom hose 12 and venoclysis needle 15 can adopt monolayer; Also can adopt double-layer coextrusion to go out to be processed to form; Liquid medicine filter can adopt monolayer also can adopt double injection to form; Dropping funnel 8 also can adopt monolayer or adopt and double-deckly form through injection moulding or blowing, and above-mentioned each parts are if double-deck, and its skin is and contains colored lucifuge material.
As depicted in figs. 1 and 2; Described puncture device comprises bottle plug puncture unit 2, air filtration film 3 and air lock 4 or 4-1, air lock 4 or 4-1 air filtration film 3 is pressed in the air inlet of bottle plug puncture unit 2 or mouthful on, also can be combined in air filtration film 4 on the air inlet of bottle plug puncture unit 2 through the high frequency heat seal process heat; Bottle plug puncture unit can be the plastic-steel pin; Also can be all-plastic, plug 4a in can being provided with on the said air lock 4, described air filtration film 3 is hydrophobic material filter membranes.
As shown in Figure 3; Described puncture device comprises bottle plug puncture unit 2, exhaust hose 16, air filter 17; Air filter 17 is through the air inlet pipe UNICOM in exhaust hose 16 and the bottle plug puncture unit 2, and bottle plug puncture unit 2 can the plastics perforator, and exhaust hose 16 can adopt monolayer; Also can adopt double-layer coextrusion to go out to be processed to form, it is outer for containing colored lucifuge material when adopting bilayer.
Like Fig. 1, bottle plug puncture unit shown in Figure 52 are plastic-steel perforators; Constitute by fluid base 2c, feed liquor medicated cap 2b and air inlet needle tubing 2a; The air inlet end port that air inlet needle tubing 2a inserts on the fluid base 2c is also bonding; Be bonded in after feed liquor medicated cap 2b is inserted in from the air inlet needle top on the fluid base 2c, fluid base 2c is connected with top hose 5.
As shown in Figure 4, the automatic exhauster 9 of this utility model can also be flat from the liquid outlet of aerofluxus base, bottom socket bottom hose 12.
As shown in Figure 7, the dropper 6 of this utility model can also be no dosing mouth;
The above embodiment only is the preferential embodiment of this utility model.Should be pointed out that to those skilled in the art under the prerequisite that does not break away from this utility model principle, also can make some modification and improvement, this also should be regarded as belonging to the protection domain of this utility model.