CN202892563U - An infusion apparatus realizing liquid stop with a floating plug and automatic exhaust - Google Patents

An infusion apparatus realizing liquid stop with a floating plug and automatic exhaust Download PDF

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Publication number
CN202892563U
CN202892563U CN 201220089751 CN201220089751U CN202892563U CN 202892563 U CN202892563 U CN 202892563U CN 201220089751 CN201220089751 CN 201220089751 CN 201220089751 U CN201220089751 U CN 201220089751U CN 202892563 U CN202892563 U CN 202892563U
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liquid
transfusion
floating plug
ending
waterproof air
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CN 201220089751
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Chinese (zh)
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戎静华
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Abstract

The utility model discloses an infusion apparatus realizing liquid stop with a floating plug and automatic exhaust. The infusion apparatus comprises a bottle stopper puncture device, an upper infusion tube, an infusion drop-in pipe, a drip hopper, a liquid stop hopper, a lower infusion tube, a flow regulator, an outer circular conical joint, a fine infusion tube and a vein injection needle. The infusion apparatus is characterized in that the liquid stop hopper is arranged on the part between the upper infusion tube and the middle upper part of the lower infusion tube and outside the drip hopper; the liquid stop floating plug, the lower part of which is an inverse circular truncated cone, is arranged in the liquid stop hopper; a part matched with the lower part of the liquid stop floating plug in shape and size is arranged on the lower part of the liquid stop hopper; a first waterproof air filter is arranged on the wall of the liquid stop hopper; and the lower infusion tube is connected with a hollow air pipe or a precise liquid medicine filter provided with a second waterproof air filter and then is connected with the outer circular conical joint, or is directly connected with the outer circular conical joint provided with a second waterproof air filter. Therefore, the infusion apparatus requires no manual operation completely during various kinds of exhausting and can also automatically stop liquid after the liquid drips off and thus prevent blood return.

Description

A kind of floating plug ends the liquid automatic-exhaust transfusion device
[affiliated technical field]
This utility model patent relates to disposable use medical Transfusion device, is particularly useful for automatic vent, blood return preventing infusion device.
[technical background]
Present blood return preventing infusion device automatic vent scheme, be confined to dropping funnel and end the liquid bucket unite two into one, and on the dropping funnel wall, or cover out openning at dropping funnel, at openning a slice waterproof air-filtering membrane or an exhaust apparatus that is provided with waterproof air-filtering membrane and sealing plug are installed again.Although such design can realize dropping funnel automatically and very fast aerofluxus, directly gas is discharged to during owing to dropping funnel ventilation in the transfusion place, so also exist following defective.1, operation is simple not.Dropping funnel wall or dropping funnel at blood return preventing infusion device cover the transfusion device of loading onto with the exhaust apparatus of waterproof air-filtering membrane, sealing plug, behind the new infusion bottle of access, before aerofluxus, always need to open sealing-plug and dropping funnel at every turn and be close to ability aerofluxus under the just vertical attitude, after finishing, aerofluxus also needs to close sealing-plug, dropping funnel tilts or rocks rear its interior transfusion liquid level that just makes easily to surpass the standard of setting else if, and this will cause observing a speed.2, make easily the dropping funnel forfeiture continue to observe the function of dripping speed.For the transfusion device that a slice waterproof air-filtering membrane only is installed at the blood return prevention dropping funnel, although it need to be at folding sealing plug before and after the aerofluxus, if but during aerofluxus or rear dropping funnel occur rocking or tilting, also can cause in the dropping funnel transfusion water level to surpass the standard of setting and dropping funnel is not had and observe a function of dripping speed.This will make troubles to therapeutic process, also not meet the national standard of transfusion device.
In addition, the automatic blood return prevention scheme of this class transfusion device also all is confined to end the liquid liquid medicine filtering membrane one of the bottom of dropping funnel installation.Although can reaching, such design deadens the effect that air enters lower tube for transfusion after transfusion is dripped to the greatest extent, but when ending liquid, end the liquid liquid medicine filtering membrane and can not stand vibration or significantly motion, can not stand the long-time unmanned test of disposing, otherwise the function that will make only liquid liquid medicine filtering membrane forfeiture end liquid, cause the function of lower tube for transfusion air inlet and forfeiture blood return prevention, this will threaten to health.
[summary of the invention]
The utility model proposes a kind of floating plug and end the liquid automatic-exhaust transfusion device, it can overcome above-mentioned automatic exhausting anti-blood backflow infusion apparatus deficiency in use, makes the more convenient to operate of transfusion device, safety.
This utility model comprises bottle plug puncture unit, upper tubing, dropping funnel, transfusion splashes into pipe, end the liquid bucket, exhaustor, lower tube for transfusion, flow regulator, the outer cone joint, tiny tube for transfusion, intravenous needle, it is characterized in that: be provided with the first waterproof air filter ending the liquid bucket, in ending the liquid bucket, be provided with one and ending the liquid floating plug; The bottom of ending the liquid floating plug is the rounding stage body, and top is a floating block, and the outer surface that ends liquid floating plug inverted round stage body region is provided with the sealing flexible glue of transfusion device special use; The bottom of ending the liquid bucket is made by duroplasts, and ends the bottom of liquid bucket and the lower shape size of ending the contacted position of liquid floating plug and ending the liquid floating plug is complementary to realize sealing; Ending the liquid bucket is arranged under upper tubing or the dropping funnel between the middle and upper part of lower tube for transfusion; At the upper cervical region of dropping funnel transfusion is installed and splashes into pipe, transfusion splashes into pipe and stretches into the dropping funnel intracavity, and opening is set stretching on the part of intracavity side direction or tail end.
As preferably: or on the inwall of the upper top cover that ends the liquid bucket, in ending the liquid bucket, extend to form the bulge loop that is provided with open pore or open slot above; Or end on the inwall of upper top cover of liquid bucket and extend to form one or more protruding stake in the liquid bucket to ending; Or be provided with the groove of the perforation upper top of one or more at the upper top that ends the liquid plug.
Further preferred: as to be provided with a hollow capsule pipe or precision liquid medicine filter at lower tube for transfusion, at hollow capsule pipe/or after precision liquid medicine filter installed one or more the second waterproof air filter, its upper end and lower tube for transfusion join, and its lower end and outer cone joint join.
Further preferred: the lower end of lower tube for transfusion directly and on it outer cone joint with the second waterproof air filter join.
Further preferred: that precision liquid medicine filter is installed in the dropping funnel.
Further preferred: as in described first, second waterproof air filter the waterproof air-filtering membrane to be housed.
Further preferred: described transfusion device mainly uses polypropylene or polrvinyl chloride or silica gel material to make.
Further preferred: described transfusion device is lucifuge color or colourless.
Further preferred: the cylinder that is shaped as that ends liquid floating plug top floating block.
The beneficial effects of the utility model: 1, saved any manual operations relevant with aerofluxus in the transfusion device operation.A, transfusion device described in the utility model do not have just can finish aerofluxus with dropping funnel or the relevant any manual operations of aerofluxus that ends the liquid bucket, have removed the trouble that the automatic-exhaust transfusion device that in the past had also needs the opening and closing sealing plug from; B, in addition is provided with the second waterproof air filter in this utility model, in case will automatically get rid of this portion gas during lower tube for transfusion air inlet, removed the trouble of manual eliminating gas from.2, blood return prevention function-stable.After transfusion was dripped to the greatest extent, the liquid floating plug that ends that ends in the liquid bucket not only can automatic sealing package apolipsis liquid bucket, thereby makes the fluid column in the tube for transfusion maintain constant height, has prevented the generation of blood back.And after ending liquid floating plug sealing dropping funnel, though it stand how the order of severity vibrations, rock, perhaps experience interval how long does not obtain processing, and can not make the effect of its loss of seal.Use liquid medicine filtering membrane then can not stand such test as the only liquid transfusion device that ends liquid film.3, during dropping funnel ventilation all not being afraid of dropping funnel, rocks or tilts.Because dropping funnel and end the liquid bucket pipe of separately respectively doing for oneself, so that the gas in the dropping funnel do not discharge in the place to transfusion by the opening on the dropping funnel wall, if therefore dropping funnel is tilted when aerofluxus and is rocked, after aerofluxus finishes, the transfusion water level in it is exceeded standard, not observe the function of dripping speed so it can not be lost.Dropping funnel and end that the liquid bucket unites two into one and end the liquid transfusion device at the automatic vent that the dropping funnel wall has been installed discharge filter and then can not stand such test.
[description of drawings]
Fig. 1 is the structural representation one that a kind of floating plug of this utility model ends liquid automatic-exhaust transfusion device embodiment one.
Fig. 2 is the structural representation two that a kind of floating plug of this utility model ends liquid automatic-exhaust transfusion device embodiment two.
Fig. 3 is the structural representation three that a kind of floating plug of this utility model ends liquid automatic-exhaust transfusion device embodiment three.
Fig. 4 is the structural representation four that a kind of floating plug of this utility model ends liquid automatic-exhaust transfusion device embodiment four.
Fig. 5 is the structural representation five that a kind of floating plug of this utility model ends liquid automatic-exhaust transfusion device embodiment five.
[specific embodiment]
Embodiment one,
A kind of floating plug as shown in Figure 1 ends the liquid automatic-exhaust transfusion device, bottle plug puncture unit 1 connects tube for transfusion 2, cervical region is installed transfusion and is splashed into pipe 3 on dropping funnel 5, opening is established also in the upper end on its top and upper tubing 2 joins, its underpart extend into the dropping funnel intracavity, at the sidewall that stretches into the intracavity part opening 3A is set, other positions of stretching into the intracavity part are sealing.Upper roof at dropping funnel 5 is installed the chemical feed pipe that a upper top has silicon rubber cup, and a precision liquid medicine filter is installed in the lower end of dropping funnel.
The lower end of dropping funnel 5 joins with the upper cervical region that ends liquid bucket 6, at the upper top cover 6A that ends liquid bucket 6 one or more the first waterproof air filter 13 is installed, the first waterproof air-filtering membrane 13B that the waterproof air-filtering membrane by the transfusion device special use is made is housed in the first waterproof air filter 13.Having one in the outside of the first waterproof air-filtering membrane 13B can be for the first chamber intermittently of the gas flow that effluxes; first intermittently the outside in chamber have the first baffle, the first baffle be provided with one or more for air efflux first except pore 13A.End being provided with an only liquid floating plug 6 ' in the liquid bucket 6, the bottom of ending liquid floating plug 6 ' is the rounding stage body, and top is cylindrical floating block, and cylindrical diameter equals the maximum gauge of rounding stage body.In ending the bottom of liquid floating plug 6 ', with end the contact coated outside at position of liquid bucket and the sealing flexible glue of one deck transfusion device special use.Other positions of ending liquid floating plug 6 ' are formed by plastic production.The height value that ends liquid floating plug 6 ' will satisfy makes it can not end 6 interior generations inversion or the rollovers of liquid bucket.End liquid bucket 6 and all be made by duroplasts, end the bottom of liquid bucket 6 and the geomery at the position that contacts of ending liquid floating plug 6 ' and be complementary, it is overlapping just can to realize coincideing.On the inwall of the upper top cover 6A that ends liquid bucket 6, extend to form the bulge loop 6D that is provided with open pore or open slot above downwards.
Tube for transfusion 7 under the connection below ending liquid bucket 6; at lower tube for transfusion 7 flow regulator 8 is installed; hollow capsule pipe 15 of installation below flow regulator 8; upper roof at this hollow capsule pipe 15 is equipped with one or more the second waterproof air filter 9 '; the second waterproof air-filtering membrane 9 that a waterproof air-filtering membrane by the transfusion device special use is made into is housed in the second waterproof air filter 9 '; the second chamber intermittently that has an Air Flow that the confession effluxes in the outside of the second waterproof air-filtering membrane 9; second intermittently the outside in chamber have second baffle, have one or more second except pore 9B at the second baffle.
Lower termination outer cone joint 10 at hollow capsule pipe 15.Connect outside tiny tube for transfusion 11 below the cone joint 10, connect intravenous needle 12 at the end of tiny tube for transfusion 11.
Operational approach:
After bottle plug puncture unit 1 and infusion bottle joined, transfusion is inhaled in the dropping funnel 5, the air of the equivalent simultaneously lower cervical region by dropping funnel 5 only enters in the liquid bucket 6, and all discharge by the first waterproof air filter of installing on it, air in the dropping funnel 5 stops discharging automatically, and transfusion is defeated downwards by exhaustor 4.Entering the original air in dropping funnel 5 that end in the liquid bucket 6 all discharges except pore 13A by first on the first waterproof air filter 13.Transfusion constantly enters into only in the liquid bucket 6, when the volume that ends liquid floating plug 6 ' top and arrange liquid surpassed end the weight of liquid floating plug 6 ' after, end liquid floating plug 6 ' and rise fast, infusing begins to enter in the lower tube for transfusion 7.Because after ending liquid floating plug 6 ' come-up, being ended the bulge loop 6D that extends to form on the inwall of upper top cover 6A of liquid bucket 6 stops, the open pore that has on the bulge loop 6D or open slot make its upper top can not withstand the only transfusion input port of liquid bucket 6 upper ends, because can constantly be failed transfusion smoothly downwards.After seeing the ejection transfusion of intravenous needle 12 places, close flow regulator 8, connect vein, mix up and drip speed, transfusion device begins normal infusion.
Forward and backward in dropping funnel 5 aerofluxuss, the infusion liquid level in the dropping funnel 5 can not tilt or rock and make dropping funnel begin automatic vent after normal infusion because of dropping funnel 5 all the time.
After transfusion is dripped to the greatest extent, end liquid floating plug 6 ' and automatically stop air to pass, make the transfusion in the lower tube for transfusion 7 be positioned at constant height, prevented the generation of blood back.
When transfusion device horizontal when joining with infusion bottle, end liquid floating plug 6 ' and will not seal up only liquid bucket 6, and transfusion device rises when joining with infusion bottle and will automatically begin aerofluxus, imbibition, so so just might cause lower tube for transfusion air inlet, the second waterproof air filter 9 ' can be got rid of this part air automatically so, avoids air to enter human body.
After dripping to the greatest extent when infusing, end liquid floating plug 6 ' and seal up automatically only liquid bucket 6, make the interior transfusion of lower tube for transfusion pillar maintain constant height, so will prevent automatically the generation of return blood.
During the changing-over infusion bottle, transfusion device is moved into from old infusion bottle just can realizes normal aerofluxus in the new infusion bottle and infused.
Embodiment two,
A kind of floating plug as shown in Figure 2 ends the liquid automatic-exhaust transfusion device, bottle plug puncture unit 1 connects tube for transfusion 2, cervical region is installed transfusion and is splashed into pipe 3 on dropping funnel 5, opening is established also in the upper end on its top and upper tubing 2 joins, its underpart extend into the dropping funnel intracavity, stretch into the sidepiece of intracavity part and establish transfusion ejiction opening 3A, other positions of stretching into the intracavity part are sealing.Upper roof at dropping funnel 5 is installed the chemical feed pipe that a upper top has silicon rubber cup.
End liquid bucket 6 and be positioned under the dropping funnel 5, and end the roof of liquid bucket 6 and the lower diapire of dropping funnel is same wall, their connect with the form that is stacked, and open a hole at this wall, so that end the liquid bucket and dropping funnel connects mutually.The sidewall that ends liquid bucket 6 topmost a little downwards the position of any one or more the first waterproof air filter 13 is installed, the first waterproof air-filtering membrane 13B that the waterproof air-filtering membrane by the transfusion device special use is made is housed in the first waterproof air filter 13.Having one in the outside of the first waterproof air-filtering membrane 13B can be for the first chamber intermittently of the gas flow that effluxes; first intermittently the outside in chamber have the first baffle, the first baffle be provided with one or more for air efflux first except pore 13A.End being provided with an only liquid floating plug 6 ' in the liquid bucket 6, the bottom of ending liquid floating plug 6 ' is the rounding stage body, and top is cylindrical floating block, and cylindrical diameter equals the maximum gauge of rounding stage body.In ending the bottom of liquid floating plug 6 ', with end the contact coated outside at position of liquid bucket and the sealing flexible glue of one deck transfusion device special use.Other positions of ending liquid floating plug 6 ' are formed by plastic production.The height value that ends liquid floating plug 6 ' will satisfy makes it can not end 6 interior generations inversion or the rollovers of liquid bucket.End the bottom of liquid bucket 6 and the geomery at the position that contacts of ending liquid floating plug 6 ' and be complementary, it is overlapping just can to realize coincideing.The face that ends liquid bucket 6 connects lower tube for transfusion 7; at lower tube for transfusion 7 flow regulator 8 is installed; hollow capsule pipe 15 of installation below flow regulator 8; upper roof at this hollow capsule pipe 15 is equipped with one or more the second waterproof air filter 9 '; the second waterproof air-filtering membrane 9 that a waterproof air-filtering membrane by the transfusion device special use is made into is housed in the second waterproof air filter 9 '; the second chamber intermittently that has an Air Flow that the confession effluxes in the outside of the second waterproof air-filtering membrane 9; second intermittently the outside in chamber have second baffle, have one or more second except pore 9B at the second baffle.
Lower termination outer cone joint 10 at hollow capsule pipe 15.Connect outside tiny tube for transfusion 11 below the cone joint 10, connect intravenous needle 12 at the end of tiny tube for transfusion 11.
Using method: the using method of present embodiment is consistent with embodiment two.
Embodiment three,
A kind of floating plug as shown in Figure 3 ends the liquid automatic-exhaust transfusion device, bottle plug puncture unit 1 connects tube for transfusion 2, cervical region is installed transfusion and is splashed into pipe 3 on dropping funnel 5, opening is established also in the upper end on its top and upper tubing 2 joins, its underpart extend into the dropping funnel intracavity, stretches into the sidepiece of intracavity part and establishes transfusion ejiction opening 3A, and other positions of stretching into the intracavity part are sealing, its middle part stretches out and forms a chemical feed pipe 14, and the tail end of its chemical feed pipe is equipped with silicon rubber cup.
Be equipped with all in described the second waterproof air filter (9 ') that waterproof air-filtering membrane top cover 6A is upper to install one or more the first waterproof air filter 13, the first waterproof air-filtering membrane 13B that the waterproof air-filtering membrane by the transfusion device special use is made is housed in the first waterproof air filter 13.Having one in the outside of the first waterproof air-filtering membrane 13B can be for the first chamber intermittently of the gas flow that effluxes; first intermittently the outside in chamber have the first baffle, the first baffle be provided with one or more for air efflux first except pore 13A.End being provided with an only liquid floating plug 6 ' in the liquid bucket 6, the bottom of ending liquid floating plug 6 ' is the rounding stage body, and top is cylindrical floating block, and cylindrical diameter equals the maximum gauge of rounding stage body.End the bottom coated outside of liquid floating plug 6 ' and the sealing flexible glue of one deck transfusion device special use, the inside is that plastic production forms, and other positions of ending liquid floating plug 6 ' are that plastic production forms.Be provided with the groove 6C of the perforation upper top of one or more at the upper top that ends the liquid plug, when groove 6C has more than two, mutually connect between them.End the bottom of liquid bucket 6 and the geomery at the position that contacts of ending liquid floating plug 6 ' and be complementary, it is overlapping just can to realize coincideing, and ends liquid bucket 6 and all is made by duroplasts.
Tube for transfusion 7 under continuation connects below ending liquid bucket 6, at lower tube for transfusion 7 flow regulator 8 is installed, precision liquid medicine filter 16 of installation below flow regulator 8, precision liquid medicine filtering membrane 16 ' is housed in precision liquid medicine filter 16, at the outer cover plate of a side of the feed liquor of this filter of precision liquid medicine filtering membrane 16 ' one or more the second waterproof air filter 9 ' is installed.A second waterproof air-filtering membrane 9 that is become by the waterproof air-filtering membrane film production of transfusion device special use is housed in the second waterproof air filter 9 '; the second chamber intermittently that has an Air Flow that the confession effluxes in the outside of the second waterproof air-filtering membrane 9; second intermittently the outside in chamber have second baffle, have one or more second except pore 9B at the second baffle.
Lower termination outer cone joint 10 at precision liquid medicine filter 16.Connect outside tiny tube for transfusion 11 below the cone joint 10, connect intravenous needle 12 at the end of tiny tube for transfusion 11.
Using method: the using method of present embodiment is consistent with embodiment two.
Embodiment four,
A kind of floating plug as shown in Figure 4 ends the liquid automatic-exhaust transfusion device, bottle plug puncture unit 1 connects tube for transfusion 2, install one in the lower end of upper tubing 2 and end liquid bucket 6, at the upper top cover 6A that ends liquid bucket 6 one or more the first waterproof air filter 13 is installed, the first waterproof air-filtering membrane 13B that the waterproof air-filtering membrane by the transfusion device special use is made is housed in the first waterproof air filter 13.Having one in the outside of the first waterproof air-filtering membrane 13B can be for the first chamber intermittently of the gas flow that effluxes; first intermittently the outside in chamber have the first baffle, the first baffle be provided with one or more for air efflux first except pore 13A.End and be provided with an only liquid floating plug 6 ' in the liquid bucket 6, the bottom of ending liquid floating plug 6 ' is the rounding stage body, top is cylindrical floating block, cylindrical diameter equals the maximum gauge of rounding stage body, end the bottom of liquid bucket 6 and the geomery at the position that contacts of ending liquid floating plug 6 ' and be complementary, it is overlapping just can to realize coincideing.In ending the bottom of liquid floating plug 6 ', with end the contact coated outside at position of liquid bucket and the sealing flexible glue of one deck transfusion device special use.Other positions of ending liquid floating plug 6 ' are formed by plastic production.Ending liquid bucket 6 all is made by duroplasts.On the inwall of the upper top cover 6A that ends liquid bucket 6, extend to form one or more protruding stake 6E downwards.
End the diapire of liquid bucket 6 and the roof of dropping funnel 5 and share a wall, be provided with a hole at this wall and make only that liquid bucket 6 and dropping funnel 5 connect mutually, at this place, hole transfusion is installed and splashes into pipe 3, its underpart extend into the dropping funnel intracavity, the sidepiece that extend into dropping funnel intracavity part is established transfusion ejiction opening 3A, other positions of stretching into the intracavity part are sealing, cervical region is installed transfusion and is splashed into pipe 3 on dropping funnel 5, opening is established also in the upper end on its top and upper tubing 2 joins, its underpart extend into the dropping funnel intracavity, stretch into the sidepiece of intracavity part and establish transfusion ejiction opening 3A, other positions of stretching into the intracavity part are sealing.
Connect lower tube for transfusion 7 below the dropping funnel 5, at lower tube for transfusion 7 flow regulator 8 is installed, the chemical feed pipe that silica gel tube of installation is made below flow regulator 8 is at the lower termination outer cone joint 10 of chemical feed pipe.One or more the second waterproof air filter 9 ' is installed on the upper cover plate of cone joint 10 outside.The second waterproof air-filtering membrane 9 by the waterproof air-filtering membrane film production one-tenth of transfusion device special use is housed in the second waterproof air filter 9 '; the second chamber intermittently that has an Air Flow that the confession effluxes in the outside of the second waterproof air-filtering membrane 9; second intermittently the outside in chamber have second baffle, have one or more second except pore 9B at the second baffle.
Connect outside tiny tube for transfusion 11 below the cone joint 10, connect intravenous needle 12 at the end of tiny tube for transfusion 11.
Using method: the using method of present embodiment is consistent with embodiment two.
Embodiment five,
A kind of floating plug as shown in Figure 5 ends the liquid automatic-exhaust transfusion device, bottle plug puncture unit 1 connects tube for transfusion 2, install one in the lower end of upper tubing 2 and end liquid bucket 6, at the upper top cover 6A that ends liquid bucket 6 one or more the first waterproof air filter 13 is installed, the first waterproof air-filtering membrane 13B that the waterproof air-filtering membrane by the transfusion device special use is made is housed in the first waterproof air filter 13.Having one in the outside of the first waterproof air-filtering membrane 13B can be for the first chamber intermittently of the gas flow that effluxes; first intermittently the outside in chamber have the first baffle, the first baffle be provided with one or more for air efflux first except pore 13A.End and be provided with an only liquid floating plug 6 ' in the liquid bucket 6, the bottom of ending liquid floating plug 6 ' is the rounding stage body, top is cylindrical floating block, cylindrical diameter equals the maximum gauge of rounding stage body, end the bottom of liquid bucket 6 and the geomery at the position that contacts of ending liquid floating plug 6 ' and be complementary, it is overlapping just can to realize coincideing.In ending the bottom of liquid floating plug 6 ', with end the contact coated outside at position of liquid bucket and the sealing flexible glue of one deck transfusion device special use.Other positions of ending liquid floating plug 6 ' are formed by plastic production.Ending liquid bucket 6 all is made by duroplasts.On the inwall of the upper top cover 6A that ends liquid bucket 6, extend to form one or more protruding stake 6E downwards.
Ending the lower cervical region of liquid bucket 6 and the upper cervical region of dropping funnel 5 joins, cervical region is installed transfusion and is splashed into pipe 3 on dropping funnel 5, opening is established also in the upper end on its top and upper tubing 2 joins, its underpart extend into the dropping funnel intracavity, stretch into the sidepiece of intracavity part and establish transfusion ejiction opening 3A, other positions of stretching into the intracavity part are sealing.5 times cervical regions of dropping funnel are installed a upwardly extending exhaustor 4, the upper end of exhaustor 4 is provided with a steam vent or air discharge duct 4A, this steam vent or air discharge duct 4A place be positioned at dropping funnel 5 pipe high 1/2nd to 2/3rds between, exhaustor 4 and dropping funnel 5 share axis.
Connect lower tube for transfusion 7 below the dropping funnel 5, at lower tube for transfusion 7 flow regulator 8 is installed, the chemical feed pipe that silica gel tube of installation is made below flow regulator 8 is at the lower termination outer cone joint 10 of chemical feed pipe.One or more the second waterproof air filter 9 ' is installed on the upper cover plate of cone joint 10 outside.The second waterproof air-filtering membrane 9 by the waterproof air-filtering membrane film production one-tenth of transfusion device special use is housed in the second waterproof air filter 9 '; the second chamber intermittently that has an Air Flow that the confession effluxes in the outside of the second waterproof air-filtering membrane 9; second intermittently the outside in chamber have second baffle, have one or more second except pore 9B at the second baffle.Connect outside tiny tube for transfusion 11 below the cone joint 10, connect intravenous needle 12 at the end of tiny tube for transfusion 11.Using method: the using method of present embodiment is consistent with embodiment two.

Claims (10)

1. a floating plug ends the liquid automatic-exhaust transfusion device and comprises bottle plug puncture unit (1), upper tubing (2), dropping funnel (5), transfusion splashes into pipe (3), end liquid bucket (6), exhaustor (4), lower tube for transfusion (7), flow regulator (8), outer cone joint (10), tiny tube for transfusion (11), intravenous needle (12), it is characterized in that: be provided with the first waterproof air filter (13) ending liquid bucket (6), in ending liquid bucket (6), be provided with one and ending liquid floating plug (6 '); The bottom of ending liquid floating plug (6 ') is the rounding stage body, and top is a floating block, and the outer surface of inverted round stage body region is provided with the sealing flexible glue of transfusion device special use; The bottom of ending liquid bucket (6) is made by duroplasts, and ends the bottom of liquid bucket (6) and the lower shape size of ending the contacted position of liquid floating plug (6 ') and ending liquid floating plug (6 ') is complementary to realize sealing; Ending liquid bucket (6) is arranged under upper tubing (2) or the dropping funnel (5) between the middle and upper part of lower tube for transfusion (7); At the upper cervical region of dropping funnel (5) transfusion is installed and splashes into pipe (3), infusing splashes into pipe (3) and stretches into dropping funnel (5) intracavity, and opening is set stretching on the part of intracavity side direction or tail end.
2. a kind of floating plug as claimed in claim 1 ends the liquid automatic-exhaust transfusion device, it is characterized in that: or on the inwall of the upper top cover (6A) that ends liquid bucket (6), in ending liquid bucket (6), extend to form the bulge loop (6D) that is provided with open pore or open slot above; Or end on the inwall of upper top cover (6A) of liquid bucket (6) and extend to form one or more protruding stake (6E) in the liquid bucket (6) to ending; Or be provided with the groove (6C) of the perforation upper top of one or more at the upper top that ends the liquid plug.
3. a kind of floating plug as claimed in claim 1 ends the liquid automatic-exhaust transfusion device, it is characterized in that: be provided with a hollow capsule pipe or precision liquid medicine filter at lower tube for transfusion (7), at hollow capsule pipe/or after precision liquid medicine filter installed one or more the second waterproof air filter (9 '), its upper end and lower tube for transfusion (7) join, and its lower end and outer cone joint (10) join.
4. a kind of floating plug as claimed in claim 1 ends the liquid automatic-exhaust transfusion device, it is characterized in that: the lower end of lower tube for transfusion (7) directly and on it outer cone joint (10) with the second waterproof air filter (9 ') join.
5. a kind of floating plug as claimed in claim 1 ends the liquid automatic-exhaust transfusion device, it is characterized in that: precision liquid medicine filter (16) is installed in the dropping funnel (5).
6. a kind of floating plug as claimed in claim 1 ends the liquid automatic-exhaust transfusion device, it is characterized in that: in described the first waterproof air filter (13) the waterproof air-filtering membrane is housed.
7. a kind of floating plug as claimed in claim 1 ends the liquid automatic-exhaust transfusion device, it is characterized in that: described transfusion device mainly uses polypropylene or polrvinyl chloride or silica gel material to make.
8. a kind of floating plug as claimed in claim 1 ends the liquid automatic-exhaust transfusion device, it is characterized in that: described transfusion device is lucifuge color or colourless.
9. a kind of floating plug as claimed in claim 1 ends the liquid automatic-exhaust transfusion device, it is characterized in that: the described cylinder that is shaped as that ends liquid floating plug (6 ') top floating block.
10. end the liquid automatic-exhaust transfusion device such as a kind of floating plug described in claim 3 or 4 any one, it is characterized in that: in described the second waterproof air filter (9 ') the waterproof air-filtering membrane is housed.
CN 201220089751 2012-03-01 2012-03-01 An infusion apparatus realizing liquid stop with a floating plug and automatic exhaust Expired - Fee Related CN202892563U (en)

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Application Number Priority Date Filing Date Title
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103550855A (en) * 2013-10-21 2014-02-05 戎静华 Environment-friendly liquid-saving infusion apparatus
CN104958805A (en) * 2015-05-21 2015-10-07 戎静华 Automatic anticoagulation liquid stopping infusion apparatus
CN104288874B (en) * 2013-07-19 2017-09-26 广东龙心医疗器械有限公司 Disposable automatic exhaust stops liquid transfusion device and method

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104288874B (en) * 2013-07-19 2017-09-26 广东龙心医疗器械有限公司 Disposable automatic exhaust stops liquid transfusion device and method
CN103550855A (en) * 2013-10-21 2014-02-05 戎静华 Environment-friendly liquid-saving infusion apparatus
CN104958805A (en) * 2015-05-21 2015-10-07 戎静华 Automatic anticoagulation liquid stopping infusion apparatus

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