Summary of the invention
The objective of the invention is to avoid the deficiencies in the prior art part and provide a kind of vertical, keep flat, be inverted, automatic transfusion device that can automatic infusion under any state such as vibrations.
Purpose of the present invention realizes by following technical measures.
A kind of automatic transfusion device is provided, include liquid stopping clamp, upper conduit, transfusion tee T, dropping funnel, downcomer, flow regulator, connection needle stand, transfusion needle tubule and venoclysis needle, wherein: be provided with power liquid supplying device and liquid feeding tee T, the outfan of described power liquid supplying device and the input of described upper conduit are connected, described liquid feeding tee T is arranged between described power liquid supplying device and the described liquid stopping clamp, and described liquid feeding tee T is provided with the anastomosing outfan of described upper conduit and input and in order to the liquid feeding end of liquid feeding;
Described power liquid supplying device is provided with upper supporting column pipe, lower supporting rod pipe, base and elastic force reservoir, and described base is provided with through hole, described through hole and described upper conduit conducting;
The bottom of described lower supporting rod pipe and described base are sealedly and fixedly connected, and with the through hole conducting of described base;
Described upper supporting column pipe is movably set in described lower supporting rod pipe;
Described elastic force reservoir is sheathed on the outside of described upper supporting column pipe and described lower supporting rod pipe, and two acrocyst mouths of described elastic force reservoir are sealingly fastened in the outside wall surface of described upper supporting column pipe and the outside wall surface of described lower supporting rod pipe respectively.
Described power liquid supplying device be provided be used for two acrocyst mouths of described elastic force reservoir respectively with described upper supporting column pipe and the fixed ring for fixing of the described lower supporting rod seal of tube.
Described power liquid supplying device is provided with shell, and described shell has the hollow chamber that ccontaining described elastic force reservoir topping up is heaved, and the bottom of described shell is connected with described base.
Described dropping funnel bottom is provided with accurate filter, and described accurate filter is provided with selection infusion set and the filter mount pad that can adjust infusion flow;
Described selection infusion set is fixed in described filter mount pad, described filter mount pad be installed on described dropping funnel bottom and with the outfan conducting of described dropping funnel;
Described selection infusion set is provided with the gentle tube for transfusion of main tube for transfusion, described main tube for transfusion and described slow tube for transfusion are fixed in described filter mount pad, described main tube for transfusion is provided with main transfusion input and main transfusion outfan, described slow tube for transfusion is provided with the gentle transfusion of slow transfusion input outfan, described main transfusion outfan and described slow transfusion outfan respectively with the conducting of described filter mount pad, described main transfusion input is higher than described slow transfusion input.
The slow transfusion input of described slow tube for transfusion is less than the main transfusion input of described main tube for transfusion.
Described slow tube for transfusion is arranged at described main tube for transfusion.
Described selection infusion set is provided with easy exhaustor, described easy exhaustor is fixed in described filter mount pad, described easy exhaustor is provided with aerofluxus input and aerofluxus outfan, described aerofluxus input is higher than the main transfusion input of described main tube for transfusion, has the gap between described aerofluxus outfan and the described filter mount pad.
The top of described easy exhaustor is provided with the choke groove.
Described accurate filter is provided with loam cake and filter membrane, and described filter membrane is installed on described filter mount pad, and described loam cake and described filter mount pad are connected and fixed, and described selection infusion set is fixed in described loam cake.
Be provided with the gap between described aerofluxus outfan and the described filter membrane, described slow transfusion outfan pastes mutually with described filter membrane.
A kind of automatic transfusion device of the present invention, include liquid stopping clamp, upper conduit, transfusion tee T, dropping funnel, downcomer, flow regulator, connection needle stand, transfusion needle tubule and venoclysis needle, wherein: be provided with power liquid supplying device and liquid feeding tee T, the outfan of power liquid supplying device and the input of upper conduit are connected, the liquid feeding tee T is arranged between power liquid supplying device and the liquid stopping clamp, and the liquid feeding tee T is provided with the anastomosing outfan of upper conduit and input and in order to the liquid feeding end of liquid feeding; The power liquid supplying device is provided with upper supporting column pipe, lower supporting rod pipe, base and elastic force reservoir, and base is provided with through hole, through hole and upper conduit conducting; The bottom and the base of lower supporting rod pipe are sealedly and fixedly connected, and with the through hole conducting of base; The upper supporting column pipe is movably set in the lower supporting rod pipe; The elastic force reservoir is sheathed on the outside of upper supporting column pipe and lower supporting rod pipe, and two acrocyst mouths of elastic force reservoir are sealingly fastened in the outside wall surface of upper supporting column pipe and the outside wall surface of lower supporting rod pipe respectively.Thus, can pass through the power liquid supplying device, earlier the transfusion liquid high pressure be injected in the lower supporting rod pipe in use, and in the pressure effect of transfusion liquid, make the upper supporting column pipe move away the lower supporting rod pipe, the elastic force reservoir was strutted by topping up and heaved this moment.After beginning transfusion, under the restoring force effect of elastic force reservoir, the downward gradually supporting tube of upper supporting column pipe is drawn close, and carries transfusion liquid.Thereby make the elastic force reservoir no matter be vertical, keep flat, be inverted, equal normal infusion automatically under any state such as vibrations.
Description of drawings
The invention will be further described to utilize accompanying drawing, but the content in the accompanying drawing does not constitute any limitation of the invention.
Fig. 1 is the structural representation of a kind of automatic transfusion device of the present invention.
Fig. 2 is Fig. 1 " A-A " sectional structure sketch map.
Fig. 3 is the structural representation of the accurate filter of a kind of automatic transfusion device of the present invention.
Fig. 4 is the structural representation of the accurate filter of a kind of automatic transfusion device of the present invention.
Fig. 5 is the structural representation of the accurate filter of a kind of automatic transfusion device of the present invention.
Fig. 6 is the structural representation of the accurate filter of a kind of automatic transfusion device of the present invention.
Fig. 7 is the structural representation of the accurate filter of a kind of automatic transfusion device of the present invention.
In Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6 and Fig. 7, include:
Accurate filter 100,
Select infusion set 110, main tube for transfusion 111, slow tube for transfusion 112, end liquid pipe 113,
Filter mount pad 120, loam cake 130, filter membrane 140, deflector 150, choke groove 160,
Power liquid supplying device 200, upper supporting column pipe 210, lower supporting rod pipe 220, base 230,
Elastic force reservoir 240, ring for fixing 250, shell 260,
Liquid feeding tee T 300, liquid stopping clamp 400, upper conduit 500, transfusion tee T 600, dropping funnel 700,
Downcomer 800, flow regulator 900,
Connect needle stand 1000, transfusion needle tubule 1100, venoclysis needle 1200, lanyard 1300.
The specific embodiment
With the following Examples the present invention is further described.
Embodiment 1.
The specific embodiment of a kind of automatic transfusion device of the present invention, as Fig. 1, shown in Figure 2, include liquid stopping clamp 400, upper conduit 500, transfusion tee T 600, dropping funnel 700, downcomer 800, flow regulator 900, connect needle stand 1000, transfusion needle tubule 1100, venoclysis needle 1200 and lanyard 1300, wherein: be provided with power liquid supplying device 200 and liquid feeding tee T 300, the input of the outfan of power liquid supplying device 200 and upper conduit 500 is connected, the liquid feeding tee T is arranged between power liquid supplying device and the liquid stopping clamp, and the liquid feeding tee T is provided with and anastomosing outfan of upper conduit and input, and in order to the liquid feeding end of liquid feeding.
During use, at first upper conduit 500 is closed by liquid stopping clamp 400, with liquid feeding end injection power liquid supplying device 200 internal-filling liquids of transfusion liquid by liquid feeding tee T 300, unclamp then liquid stopping clamp with this automatic transfusion device evacuation of air after, flow regulator 900 is placed the closed position, then with smart arteries and veins transfusion needle 1200 puncture patients' vein blood vessel, again flow regulator 900 is adjusted to the transfusion speed that needs, transfusion liquid is through upper conduit 500 input transfusion tee Ts 600, through transfusion tee T 600 input dropping funnels 700, enter transfusion needle tubule 1100 through downcomer 800, importing patients' vein blood vessel then from venoclysis needle 1200.
Power liquid supplying device 200 is provided with upper supporting column pipe 210, lower supporting rod pipe 220, base 230, elastic force reservoir 240, ring for fixing 250 and shell 260.
Base 230 is provided with through hole, through hole and upper conduit 500 conductings.Before transfusion, during topping up, can transfusion liquid be charged into this power liquid supplying device 200 by this through hole.When beginning to infuse, this through hole is the output port of transfusion liquid.
The bottom of lower supporting rod pipe 220 and base 230 are sealedly and fixedly connected, the through hole conducting of lower supporting rod pipe 220 and base 230.During topping up, the transfusion liquid medicinal liquid enters lower supporting rod pipe 220 inside by through hole.
Upper supporting column pipe 210 is movably set in lower supporting rod pipe 220, and upper supporting column pipe 210 cooperates the support that forms elastic force reservoir 240 with lower supporting rod pipe 220.Upper supporting column pipe 210 can move up and down along lower supporting rod pipe 220.
Elastic force reservoir 240 is sheathed on the outside of upper supporting column pipe 210 and lower supporting rod pipe 220, and two acrocyst mouths of elastic force reservoir 240 are sealingly fastened in the outside wall surface of upper supporting column pipe and the outside wall surface of lower supporting rod pipe 220 respectively.
In order to realize better sealing and fixing effect, two acrocyst mouths of elastic force reservoir 240 and upper supporting column pipe 210 and lower supporting rod pipe 220 be ring for fixing 250 sealing and fixing by being provided with respectively.
In order to protect elastic force reservoir 240, power liquid supplying device 200 is provided with shell 260, and shell 260 has the hollow chamber that ccontaining elastic force reservoir topping up is heaved, and the bottom of shell 260 is connected with base 230, and covers at the outside of elastic force reservoir 240.
During topping up, the pressure ratio of liquid is bigger before transfusion, and the liquid that increases gradually can be passed upper supporting column pipe 210 leave lower supporting rod pipe 220, elastic force reservoir 240 topping ups is strutted heave simultaneously.After beginning transfusion, elastic force reservoir 240 needs to shrink under the effect of restoring force, makes upper supporting column pipe 210 shift near lower supporting rod pipe 220 gradually, automatically transfusion liquid is transferred out simultaneously.
Elastic force reservoir 240 is all worked under plumbness still is level or the heeling condition or even the state that jolts in an identical manner, therefore, this automatic transfusion device does not need vertical high the extension to hang when using, therefore can adapt to transfusion under the various states, the patient's voluntary activity in the convenient transfusion.
The setting of lanyard 1300 can be hung automatic transfusion device up when needed, the convenient use.
Automatic transfusion device of the present invention can be realized non-perpendicular transfusion, for patient and nurse personnel have brought facility.And this automatic transfusion device is simple in structure, and is easy to process, with low cost.
Embodiment 2.
The specific embodiment of a kind of automatic transfusion device of the present invention, as Fig. 1, Fig. 2 and shown in Figure 3, other structure is identical with embodiment 1, and difference is,
Dropping funnel 700 bottoms are provided with accurate filter 100, accurate filter 100 is provided with selection infusion set 110 and the filter mount pad 120 that can adjust infusion flow, select infusion set 110 to be fixed in filter mount pad 120, filter mount pad 120 be installed on dropping funnel 700 bottoms and with the outfan conducting of dropping funnel 700.
Select infusion set 110 to adjust infusion flow according to liquid measure in the dropping funnel 700.When also having liquid in transfusion bag or the infusion bottle, can constantly there be liquid to replenish in the dropping funnel 700, therefore, liquid level can be a higher position in the dropping funnel 700, and selection infusion set 110 will be with normal infusion speed promptly with bigger flow and flow velocity output liquid.After the liquid in transfusion bag or the infusion bottle is totally lost, remaining liquid can reduce gradually along with the discharge of medicinal liquid in the dropping funnel 700, and the liquid level in the dropping funnel 700 also can reduce gradually, after being reduced to certain altitude, select infusion set 110 promptly slowly to infuse with less flow output liquid.And after the liquid in the dropping funnel 700 is slowly exported a period of time, select infusion set 110 will stop medicinal liquid output.Begin to stopping transfusion from slow transfusion, big appointment continues nearly 30 minutes.
Therefore, after the transfusion of the liquid in transfusion bag or the infusion bottle finishes, this automatic transfusion device also will slowly be infused nearly 30 minutes, and for medical personnel provide one period long buffer time, medical personnel can easily handle.The blood back phenomenon of having avoided transfusion device of the prior art to be totally lost liquid soon and having caused, the therefore automatic transfusion device of the present invention generation that can fundamentally solve the blood back phenomenon.
Embodiment 3.
The specific embodiment of a kind of automatic transfusion device of the present invention, as shown in Figure 4, other structure is identical with embodiment 2, and difference is, select infusion set 110 to be provided with main tube for transfusion 111 gentle tube for transfusions 112, main tube for transfusion 111 gentle tube for transfusions 112 are individually fixed in filter mount pad 120.
Main tube for transfusion 111 is provided with main transfusion input and main transfusion outfan.Slow tube for transfusion 112 is provided with the gentle transfusion of slow transfusion input outfan.The gentle transfusion of main transfusion outfan outfan respectively with 120 conductings of filter mount pad, be used for the liquid that main tube for transfusion 111 gentle tube for transfusions 112 are carried is delivered to downcomer 800.Main transfusion input is higher than slow transfusion input, like this, when liquid level is higher in the dropping funnel 700, can infuse with bigger flow and flow velocity with slow tube for transfusion 112 by main tube for transfusion 111, and when liquid level in the dropping funnel 700 is low, only slowly infuse by slow tube for transfusion 112.Tube for transfusion 112 beginning of the postponing slow tube for transfusion 112 big appointment that stops to infuse of infusing separately continues 30 minutes.Thereby for medical personnel provide long buffer time.
Embodiment 4.
The specific embodiment of a kind of automatic transfusion device of the present invention, as shown in Figure 4, other structure is identical with embodiment 3, and difference is, select infusion set to be provided with and select infusion set also to be provided with easy exhaustor 113, easily exhaustor 113 is fixed in filter mount pad 120.Easily exhaustor 113 is provided with aerofluxus input and aerofluxus outfan, and the aerofluxus input is higher than the main transfusion input of main tube for transfusion 111, has the gap between aerofluxus outfan and the filter mount pad 120.The easily setting of exhaustor 113 is beneficial to gas circulation in the dropping funnel, is convenient to the discharge of medicinal liquid.
When liquid level was higher in the dropping funnel 700, main tube for transfusion 111, slow tube for transfusion 112 and the easy exhaustor 113 of easy exhaustor were infused together, and this blood return prevention precision filter infusion set will be with bigger flow transfusion.And when liquid level in the dropping funnel 700 low during main tube for transfusion 111 inputs, this moment is only by slow tube for transfusion 112 and slowly transfusion.When liquid level drops to when parallel with slow transfusion input, dropping funnel 700 will stop transfusion.The tube for transfusion 112 of the postponing slow tube for transfusion 112 big appointment that stops to infuse that begins to infuse continues 30 minutes.Thereby for medical personnel provide long buffer time.
Embodiment 5.
The specific embodiment of a kind of automatic transfusion device of the present invention, as shown in Figure 5, other structure is identical with embodiment 4, difference is, slow tube for transfusion 112 is arranged at main tube for transfusion 111, slow transfusion input is lower than the main transfusion input of main tube for transfusion 111, and shared identical passage is to save material.The end face of the slow transfusion input of slow tube for transfusion 112 is low more, slowly the time of transfusion long more, for the processing time that the nurse provides many more, the risk that the blood back phenomenon takes place is more little.
Embodiment 6.
The specific embodiment of a kind of automatic transfusion device of the present invention, as shown in Figure 6, other structure is identical with embodiment 5, difference is, accurate filter 10 can also be provided with loam cake 130 and filter membrane 140, filter membrane 140 is installed and is arranged at filter mount pad 120, and loam cake 130 is connected and fixed with filter mount pad 120, selects infusion set 110 to be fixed in loam cake 130.
Filter membrane 140 process special handlings, and, therefore can guarantee that more air can not enter the blood vessel of patient's human body because the tension force effect of liquid and gas can only make liquid pass through filter membrane 140, and air can not pass through this filter membrane 140.This filter membrane 140 can secondary filter 5um above microgranule, therefore not only have the function of secondary filter microgranule, and can stop air admission downcomer 800, have double effects.Filter mount pad 120 can be provided with fixed mount 150, loam cake 130 inside also are provided with fixed mount 150, and fixed mount 150 is used for fixing filter membrane 140, prevents that filter membrane 140 from moving.
Easily can be provided with the gap between the aerofluxus outfan of exhaustor 113 and the filter membrane 140, so that air-out.With when the liquid of the transfusion bag of changing further transfusion or infusion bottle, can deaeration, continue transfusion smoothly.
Slow transfusion outfan can paste mutually with filter membrane 140, so that when slow feed flow, filter membrane 140 fully absorbs also through liquid.
Embodiment 7.
The specific embodiment of a kind of blood return prevention precision filter infusion set of the present invention includes bottle plug puncture unit 100, bottle plug puncture unit protective sleeve 200, air filter 300, air inlet pipe 400, upper conduit 500, tee T 600, dropping funnel 700, downcomer 800, flow regulator 900, liquid medicine filter 1000, transfusion needle tubule 1100 and venoclysis needle 1200.
Wherein, dropping funnel 700 bottoms are provided with accurate filter 10, and accurate filter 10 is provided with selection infusion set 110, loam cake 130, filter membrane 140 and the filter mount pad 120 that can adjust infusion flow.
Select infusion set 110 to be fixed in filter mount pad 120, filter membrane 140 is installed and is arranged at filter mount pad 120, loam cake 130 is connected and fixed with filter mount pad 120, select infusion set 110 to be fixed in loam cake 130, filter mount pad 120 be installed on dropping funnel 700 bottoms and with the outfan conducting of dropping funnel 700.
Select infusion set 110 to be provided with main tube for transfusion 111 gentle tube for transfusions 112, main tube for transfusion 111, slow tube for transfusion 112 are individually fixed in filter mount pad 120.Main tube for transfusion 111 gentle tube for transfusion 112 shared same pipes make the input that delays tube for transfusion 112 be lower than the input of main tube for transfusion 111.
As shown in Figure 7, main tube for transfusion 111 tops are provided with choke groove 160, choke groove 160 can be set to three road conduits, when having bubble to exist in the infusion process, the existence of choke groove 160 can be bumped brokenly bubble, can prevent effectively that bubble from passing through main tube for transfusion 111 or slow tube for transfusion 112 or easy exhaustor 113 input downcomers 800.
Filter membrane 140 can only make liquid pass through filter membrane 140, and air can not pass through this filter membrane 140, therefore, can guarantee that more air can not enter human vas through special handling.This filter membrane 140 can secondary filter 5um above microgranule, therefore not only have the function of secondary filter microgranule, and can stop air admission downcomer 800, make it to have double effects.
Filter mount pad 120 can be provided with fixed mount 150, loam cake 130 inside also are provided with fixed mount 150, and fixed mount 150 is used for fixing filter membrane 140, prevents that filter membrane 140 from moving.
Can be provided with the gap between main transfusion outfan and the filter membrane 140, so that air-out.With when the liquid of the transfusion bag of changing further transfusion or infusion bottle, can air-out, continue transfusion smoothly.
Slow transfusion outfan can paste mutually with filter membrane 140, so that when slow feed flow, filter membrane 140 fully absorbs also through liquid.
Through experiment, use the automatic transfusion device of embodiments of the invention 2 to 9, not only can realize non-perpendicular state transfusion, and after the liquid in medicated bag or the medicine bottle was totally lost, the liquid of dropping funnel 700 parts of this automatic transfusion device can be infused slowly also about 30 minutes.Therefore, medical personnel can handle in the long time, thereby from having solved the generation of blood back phenomenon in essence.
The accurate filter 10 that automatic transfusion device is provided with in dropping funnel 700 bottoms can normal supply liquid, and also slowly feeding, and secondary filter film 140 in conjunction with the tension force effect of liquid and gas, makes air can not pass through filter membrane 140 through special processing.Therefore, after the liquid in transfusion bag or the infusion bottle is totally lost, can not to stop feed flow immediately, and dropping funnel 700 was infused in a period of time of corresponding length.Therefore when having infused or change infusion bottle (bag), liquid in the dropping funnel 700 can also continue slow transfusion, rather than stop immediately infusing, after being totally lost, liquid in the dropping funnel 700 can pin air, air can not pass through filter membrane 140, thereby play the blood return prevention function, can allow medical personnel have competent buffer time to operate, the liquid of dropping funnel 700 can continue transfusion in corresponding long a period of time, after negative pressure reaches balance, the liquid that can not conduit 800 that leaks down again, and stop the vein blood vessel of air admission patient human body, both guarantee the infuse safety of overall process of patient, alleviated patient's stress and medical worker's operating pressure again.Thereby avoid occurring again the conventional medical transfusion device and deal with the bad medical consequences that produces improperly, can properly avoid medical personnel unnecessary worry and malpractice of causing because of medical negligence in for patient's transfusion operation process.
Automatic transfusion device of the present invention can also improve the medicinal liquid utilization, favourable patient's rehabilitation.In the infusion process, needn't pay close attention to the liquid level in the infusion bottle (bag), can allow the interior medicinal liquid of infusion bottle (bag) fully be totally lost, transfusion liquid is fully used.
Should be noted that at last; above embodiment is only in order to illustrate technical scheme of the present invention but not limiting the scope of the invention; although the present invention has been done detailed description with reference to preferred embodiment; those of ordinary skill in the art is to be understood that; can make amendment or be equal to replacement technical scheme of the present invention, and not break away from the essence and the scope of technical solution of the present invention.