CN202892522U - Infusion device - Google Patents
Infusion device Download PDFInfo
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- CN202892522U CN202892522U CN 201220324433 CN201220324433U CN202892522U CN 202892522 U CN202892522 U CN 202892522U CN 201220324433 CN201220324433 CN 201220324433 CN 201220324433 U CN201220324433 U CN 201220324433U CN 202892522 U CN202892522 U CN 202892522U
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- dropping funnel
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- floating plug
- waterproof air
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Abstract
The utility model discloses an infusion device. The infusion device comprises a bottle stopper puncture device, an infusion tube, an infusion dripping tube, a dripping hopper, a lower infusion tube, a liquid-stopping hopper, a flow regulator, an outer conical connector, a thin and small infusion tube and an intravenous injection needle and is characterized in that a liquid-stopping floating plug is arranged at the lower end of the dripping hopper in a contained mode. The lower portion of the liquid-stopping floating plug is a reversed circular platform or a reversed circular platform annular body, and the upper portion of the liquid-stopping floating plug is a cylinder body or an upper top cover is added on the cylinder body. Shape and size of the lower end of the dripping hopper are matched with the liquid-stopping floating plug. A waterproof air filter which is connected with a wall of the dripping hopper through an exhaust pipe is installed in the dripping hopper, and a sealing plug is arranged at the end, placed on the wall of the dripping hopper, of the exhaust pipe. By means of the infusion device, automatic exhaust of the dripping hopper and liquid stopping when infusion liquid is dripped off can be achieved, so air can be prevented from entering the lower infusion tube.
Description
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, being confined to end the liquid floating plug is installed in the dropping funnel, and open openning/or cover out at dropping funnel and in dropping funnel, an openning that extends to the pipe at dropping funnel middle part to be installed at the middle part of dropping funnel sidewall, at this openning an air filter that is provided with waterproof air-filtering membrane and sealing plug is installed again.Design although it is so both can make dropping funnel automatically and very fast aerofluxus, can after transfusion is dripped to the greatest extent dropping funnel be sealed up automatically again, had prevented the generation of blood back.But it also exists following defective.1, operation is simple not.Each dropping funnel all needs the folding sealing-plug before and after aerofluxus, otherwise after aerofluxus finishes, just easily the gas export mouth is positioned on the liquid level if dropping funnel rocks or tilts, makes dropping funnel continue aerofluxus, cause dropping funnel ventilation to exceed standard and make the dropping funnel forfeiture observe a function of dripping speed.2, cost of manufacture is large.This class transfusion device ends the liquid floating plug owing to install one in the bottom of dropping funnel, meets again and can reach the only requirement of liquid function so dropping funnel, floating plug should meet the original requirement of dropping funnel when design.Because the diameter of dropping funnel and highly be that rigid regulation is arranged, again because, in order to make floating plug realization sealing and to prevent from when moving, lying on the table, the high plastic production of hardness all must be used in the middle part of dropping funnel and lower position, not only need to use the sealing flexible glue to make and end the liquid floating plug, and only diameter and the height of liquid floating plug are forced to do greatly greatly because of dropping funnel.To exceed more than the several times with the material cost of the material cost that seals flexible glue than flexible plastic because meet the high plastics of hardness of the transfusion device special use of standards of pharmacopoeia, so it is all higher with the cost that ends the liquid floating plug to make such dropping funnel.3, cause easily lower tube for transfusion air inlet.Cause producing bubble in the transfusion in the dropping funnel because when transfusion dripped fast too fast meeting, thereby the phenomenon of lower tube for transfusion air inlet occurs, will end the liquid floating plug for those and be arranged on transfusion device in the dropping funnel, the appearance of its same inevitable this phenomenon.
Summary of the invention
The utility model proposes a kind of transfusion device, it can overcome above-mentioned automatic exhausting anti-blood backflow infusion apparatus deficiency in use, not only makes transfusion device more convenient in manufacturing process, and has saved raw material.
This utility model comprises bottle plug puncture unit, tube for transfusion, and transfusion splashes into pipe, dropping funnel, lower tube for transfusion ends the liquid bucket, flow regulator, the outer cone joint, tiny tube for transfusion, intravenous needle is characterized in that: dropping funnel is installed by top A section and following B section two parts and is made, its B section is made by rigid plastics, and its A section can use hard or flexible plastic is made; At the dropping funnel wall opening is set, at opening part an exhaustor that stretches to the dropping funnel intracavity is set, be provided with a waterproof air filter at the tail end of the exhaustor of dropping funnel intracavity; The waterproof air-filtering membrane is housed in the waterproof air filter, the peak of waterproof air-filtering membrane be controlled at the dropping funnel pipe high 1/2nd to 2/3rds between; Be positioned at the dropping funnel under the cervical region of upper end, its shape by on fall down to be arranged in order to be the diminishing plural circle ring column of diameter before this, an inverted round stage ring body again, be the lower, neck end of dropping funnel at last, and between first circle ring column and second circle ring column, also be provided with the grid demarcation strip of a circle; Below the grid demarcation strip of dropping funnel B section, hold a bottom in the position between the cervical region of dropping funnel lower end and be rounding stage body or inverted round stage ring body, top be cylinder or add a upper top cover above the circle ring column end the liquid floating plug; Its bottom of ending the liquid floating plug is made by silica gel or butyl rubber, and circle ring column or the cylinder on top are made by duroplasts; Hold the part of liquid floating plug only below the grid demarcation strip of dropping funnel B section and end the shape of liquid floating plug identical, size is complementary, and makes to end the liquid floating plug and can seal dropping funnel, can inside slide up and down again.
As preferably: that end that is positioned at the dropping funnel wall at exhaustor arranges a sealing-plug.
Further preferred: the upper top that ends the liquid floating plug extends several pillars laterally, connects a torus or circle ring column at pillar again.
Further preferred: described transfusion device is lucifuge color or colourless, and it mainly uses polypropylene or polrvinyl chloride or silica gel material to make.
Further preferred: described waterproof air-filtering membrane is positioned at the middle section of dropping funnel cross section.
Further preferred: the connecting line between described dropping funnel A section and the B section is parallel with horizontal plane or not parallel.
Further preferred: on the described waterproof air filter and boundary exhaustor are the axis part that departs from its axis or do not depart from it.
Further preferred: the exhaustor that is arranged between dropping funnel wall and the waterproof air filter directly extends to form from the dropping funnel wall or on the waterproof air filter.
The beneficial effects of the utility model: 1, automatic vent.After the waterproof air filter is housed on the dropping funnel, just open from need to become with finger extruding dropping funnel in the past that sealing-plug just can finish automatically during dropping funnel ventilation.2, automatically realize blood return prevention.After transfusion is dripped to the greatest extent, end liquid floating plug meeting automatic sealing package apolipsis liquid bucket, thereby make the fluid column in the tube for transfusion maintain constant height, prevented the generation of blood back.3, economical with materials, the diameter that holds the part of liquid floating plug only of dropping funnel and the diameter that ends the liquid floating plug be little than that circle ring column that is positioned at their tops all, and between the part of holding liquid floating plug only of dropping funnel and the part of the circle ring column above it, adopt a grid demarcation strip, the height of floating plug reduced greatly, make it can avoid in dropping funnel, occuring in accumulating or in using to be inverted or rollover and affect stablizing of blood return prevention function because limited like this range of activity of ending the liquid floating plug.To exceed more than the several times with the material cost of the material cost that seals flexible glue than flexible plastic because meet the high plastics of hardness of the transfusion device special use of standards of pharmacopoeia, so such design reduces cost of manufacture greatly.4, operation is simpler.When aerofluxus or after the aerofluxus, if dropping funnel shakes or tilts, because the waterproof air-filtering membrane in this programme in the dropping funnel is positioned at the middle section of first the cylindrical cross section under the cervical region of dropping funnel upper end, and its peak be positioned at the dropping funnel pipe high 1/2nd to 2/3rds, so can not cause the interior aerofluxus of dropping funnel excessive, the air pillar is too short and can't observe and drip speed in the dropping funnel, therefore installed with for the sort of blood return preventing infusion device of the air filter of sealing plug at dropping funnel with respect to the sort of described in the technical background in the above, operation meeting of the present utility model is more simple.5. avoid the tube for transfusion air inlet below the dropping funnel.Transfusion splashes into pipe and extend into opening on the part in the dropping funnel chamber for towards the medial wall of dropping funnel, and it sprays to first the medial wall of dropping funnel in the time of making transfusion be drawn in the dropping funnel, and trickling is to the lower end of dropping funnel again.Therefore produce bubble when having avoided transfusion directly to be punched in the transfusion of having put aside below dropping funnel, thereby avoided these bubbles to enter in the tube for transfusion under the dropping funnel with transfusion.6. be beneficial to modern large-scale production.General infusion set can use the Digit Control Machine Tool fully-automatic production, and the diameter that the upper top of this utility model termination liquid floating plug arranges is greater than the ring bodies of the floating block that ends the liquid floating plug, or circle ring column, they all are beneficial to Digit Control Machine Tool will end the liquid floating plug and tangle the zone of being sent to appointment and assemble, and this meets the requirement of modern production.And two-part connecting line is not parallel to horizontal plane about the dropping funnel, perhaps air filter and exhaustor use to depart from when RC design will make air filter in the dropping funnel install and make the arrangement of hands or mechanical hand more convenient, so the convenience that is conducive to install and increasing work efficiency.
Description of drawings
Fig. 1 is the structural representation of a kind of transfusion device embodiment one of this utility model.
Fig. 2 is the structural representation of a kind of transfusion device embodiment two of this utility model.
Fig. 3 is the structural representation of a kind of transfusion device embodiment three of this utility model.
Fig. 4 is the structural representation of a kind of transfusion device embodiment four of this utility model.
The specific embodiment
Embodiment one,
As shown in Figure 1 be a kind of transfusion device, bottle plug puncture unit 1 connects tube for transfusion 2, tube for transfusion 2 connects dropping funnel 4, the transfusion that extend in the dropping funnel chamber in bottom of cervical regions installation, dropping funnel 4 upper end splashes into pipe 3, splash in the part that extend into the dropping funnel intracavity of pipe 3 in transfusion, only establishing one or more spout towards the position of dropping funnel 4 sidewalls.The dropping funnel 4 of upper end under the cervical region, its shape by on fall down to be arranged in order and be one large, little two circle ring columns with axis of diameter before this, be again one with they inverted round stage ring bodies with axis, be the lower, neck end of dropping funnel 4 at last.And between the little circle ring column of the large circle ring column of the diameter of dropping funnel 4 and diameter, also be provided with the grid demarcation strip 4C of a circle.
Dropping funnel 4 is divided into the top 4A of A section and following two part fabrication and installation of the 4B of B section, and they partly realize connecting at that circle ring column of the diameter maximum of dropping funnel 4.Wherein the 4B of B section is made by duroplasts, and the 4A of A section is made by flexible plastic, the handing-over line between them be positioned at one tilt and under the plane or curved surface on.At the high medium position of dropping funnel 4 pipes, sidewall at the 4A of A section or the 4B of B section is opened an openning 4D, at this openning 4D the waterproof air filter 6 with exhaustor 6A is installed, perhaps extending internally at this openning 4D forms an exhaustor 6A and waterproof air filter 6 joins.The boundary of this exhaustor 6A and waterproof air filter 6 is positioned at the center of waterproof air filter 6.A rectangular waterproof air-filtering membrane 6C is installed in waterproof air filter 6, it perpendicular to horizontal plane and and dropping funnel 4 share axis, its peak be controlled at dropping funnel 4 pipes high 1/2nd to 2/3rds between.That end that is positioned at dropping funnel wall place at exhaustor 6A arranges a sealing-plug 5.
Below the grid demarcation strip 4C of the dropping funnel B 4B of section, hold a bottom 7C in the position between the cervical region of dropping funnel 4 lower ends and be rounding stage body or inverted round stage ring body, top 7B be cylinder or add a upper top cover above the circle ring column end liquid floating plug 7.Its bottom 7C that ends liquid floating plug 7 is made by silica gel or butyl rubber, and when it was rounding ring stage body, its bottom surface had a hole.Circle ring column or the cylinder of top 7B are made by duroplasts.Hold the part of liquid floating plug 7 only below the grid demarcation strip 4C of the dropping funnel B 4B of section and end the shape of liquid floating plug 7 identical, size is complementary, and makes to end liquid floating plug 7 and can seal dropping funnel 4, can inside slide up and down again.
The lower, neck end of dropping funnel 4 connects tube for transfusion 2, the outside of tube for transfusion 2 is nested with a flow regulator 8, tube for transfusion below flow regulator 82 times connects the outer cone joint, outside cone joint below connect soft tube for transfusion 10, below soft tube for transfusion 10, connect intravenous needle 11.
Using method:
Confirm that first sealing-plug 5 sealings are errorless, then transfusion device and infusion bottle join, and after transfusion device was hung up with infusion bottle, dropping funnel 4 was just perpendicular, sealing-plug 5 is opened again.Air in the dropping funnel 4 by waterproof air filter 6 via exhaustor 6A to effluxing, with this simultaneously dropping funnel 4 from infusion bottle, suck the transfusion of equivalent.Transfusion sucks dropping funnel 4 when interior, and the opening that the transfusion by dropping funnel 4 upper end cervical regions splashes into pipe 3 is injected on the medial wall of dropping funnel 4, flows to the below of dropping funnel 4 again, has avoided a large amount of bubbles occurring in the transfusion in the dropping funnel 4.Suck the below that dropping funnel 4 interior transfusions constantly accumulate in dropping funnel 4, floating plug is immersed in wherein, after the transfusion water level rises to certain height, floating plug is opened automatically, transfusion parts in the suction dropping funnel 4 continue to be trapped in makes the water level of dropping funnel 4 interior transfusions constantly rise in the dropping funnel 4, another part transfusion enters into the tube for transfusion 2 below the dropping funnel 4.When the transfusion liquid level in the dropping funnel 4 rose to peak with waterproof air-filtering membrane 6C and floods, dropping funnel 4 had just stopped outside aerofluxus automatically, and the transfusions that suck subsequently in the dropping funnel 4 are all defeated downwards.When transfusion is penetrated from intravenous needle 11, close flow regulator 8, connect vein, mix up and drip speed beginning normal infusion.
If transfusion device is not positioned at when using on the fierce ambulance that shakes, the sealing-plug 5 that will be positioned at the exhaustor 6A outside is closed.When under the environment of fierceness concussion, not using, do not need sealing-plug 5 is closed.When transfusion was dripped to the greatest extent, the lower end of ending liquid floating plug 7 automatic-sealed dropping funnels 4 made transfusion maintain constant height, has prevented the generation of blood back.
During the changing-over infusion bottle, only transfusion device need to be moved in the new infusion bottle just passable from old infusion bottle.
Embodiment two,
As shown in Figure 2 be a kind of transfusion device, bottle plug puncture unit 1 connects tube for transfusion 2, tube for transfusion 2 connects dropping funnel 4, the transfusion that extend in the dropping funnel chamber in bottom of cervical regions installation, dropping funnel 4 upper end splashes into pipe 3, splash in the part that extend into the dropping funnel intracavity of pipe 3 in transfusion, only establishing one or more spout towards the position of dropping funnel 4 sidewalls.The dropping funnel 4 of upper end under the cervical region, its shape by on fall down to be arranged in order and be the same axis circle ring column that three diameters that were arranged in order from top to bottom before this are gradually little, be again one with they with axis inverted round stage ring body, be the lower, neck end of dropping funnel 4 at last.And between the circle ring column of the diameter maximum of dropping funnel 4 and circle ring column that diameter takes second place, also be provided with the grid demarcation strip 4C of a circle.
Dropping funnel 4 is divided into the top 4A of A section and following two part fabrication and installation of the 4B of B section, and they partly realize connecting at that circle ring column of the diameter maximum of dropping funnel 4.Wherein the 4B of B section is made by duroplasts, and the 4A of A section is made by flexible plastic, and the handing-over line between them is positioned on the plane that is parallel to horizontal plane.Sidewall at the A of dropping funnel 4 4A of or the 4B of B section is opened an openning 4D, at this openning 4D the waterproof air filter 6 with exhaustor 6A is installed, and perhaps extending internally at this openning 4D forms an exhaustor 6A and waterproof air filter 6 joins.The boundary of this exhaustor 6A and waterproof air filter 6 is positioned on the RC side away from waterproof air filter 6.A rectangular waterproof air-filtering membrane 6C is installed in waterproof air filter 6, and it shares axis perpendicular to horizontal plane and dropping funnel 4, its peak be controlled at dropping funnel 4 pipes high 1/2nd to 2/3rds between.That end that is positioned at dropping funnel wall place at exhaustor 6A arranges a sealing-plug 5.
Below the grid demarcation strip 4C of the dropping funnel B 4B of section, hold a bottom 7C in the position between the cervical region of dropping funnel 4 lower ends and be rounding stage body or inverted round stage ring body, top 7B is cylinder or the only liquid floating plug 7 that adds a upper top cover above the circle ring column, and circle ring column or toric on the edge of end face extend several pillars to its sidepiece again, connect a toric liquid floating plug 7 that ends in the outer end of pillar.The bottom 7C that ends liquid floating plug 7 is made by silica gel or butyl rubber, and when it was rounding ring stage body, its bottom surface had a hole.Circle ring column or the cylinder of top 7B are made by duroplasts.Hold the part of liquid floating plug 7 only below the grid demarcation strip 4C of the dropping funnel B 4B of section and end the shape of liquid floating plug 7 identical, size is complementary, and makes to end liquid floating plug 7 and can seal dropping funnel 4, can inside slide up and down again.
The lower, neck end of dropping funnel 4 connects tube for transfusion 2, the outside of tube for transfusion 2 is nested with a flow regulator 8, tube for transfusion below flow regulator 82 times connects the outer cone joint, outside cone joint below connect soft tube for transfusion 10, below soft tube for transfusion 10, connect intravenous needle 11.
Using method is with embodiment one.
Embodiment three,
As shown in Figure 3 be a kind of transfusion device, bottle plug puncture unit 1 connects tube for transfusion 2, tube for transfusion 2 connects dropping funnel 4, the transfusion that extend in the dropping funnel chamber in bottom of cervical regions installation, dropping funnel 4 upper end splashes into pipe 3, splash in the part that extend into the dropping funnel intracavity of pipe 3 in transfusion, only establishing one or more spout towards the position of dropping funnel 4 sidewalls.Be positioned at the dropping funnel 4 of upper end under the cervical region, its shape by on fall down to be arranged in order and be the same axis circle ring column that three diameters that were arranged in order from top to bottom before this are gradually little, be again one with they with axis inverted round stage ring body, be the lower, neck end of dropping funnel 4 at last.And between the circle ring column of the diameter maximum of dropping funnel 4 and circle ring column that diameter takes second place, also be provided with the grid demarcation strip 4C of a circle.
Dropping funnel 4 is divided into the top 4A of A section and following two part fabrication and installation of the 4B of B section, they partly realize connecting at that circle ring column of the diameter maximum of dropping funnel 4, wherein the 4B of B section is made by duroplasts, the 4A of A section is made by flexible plastic, and the handing-over line between them is positioned on the plane that is parallel to horizontal plane.Open an openning 4D at the roof of the dropping funnel A 4A of section, at this openning 4D the waterproof air filter 6 with exhaustor 6A is installed, perhaps extending internally at this openning 4D forms an exhaustor 6A and waterproof air filter 6 joins.This waterproof air filter 6 is water-drop-shaped or circular, and the boundary of this exhaustor 6A and waterproof air filter 6 is positioned at away from the waterproof air filter 6 RC sides.The waterproof air-filtering membrane 6C that in waterproof air filter 6, a level is installed and puts, this waterproof air-filtering membrane 6C be positioned at dropping funnel 4 pipe high 1/2nd to 2/3rds between, in the outside of waterproof air-filtering membrane 6C a fixing head is arranged, fixing head leave one take the axis of dropping funnel 4 the circular vacancy as the center of circle.That end that is positioned at dropping funnel wall place at exhaustor 6A arranges a sealing-plug 5.
Below the grid demarcation strip 4C of the dropping funnel B 4B of section, hold a bottom 7C in the position between the cervical region of dropping funnel 4 lower ends and be rounding stage body or inverted round stage ring body, top 7B is cylinder or adds a upper top cover above the circle ring column, and circle ring column or toric on the edge of end face extend several pillars to its sidepiece again, what connect a circle ring column in the outer end of pillar ends liquid floating plug 7.The bottom 7C that ends liquid floating plug 7 is made by silica gel or butyl rubber, and when it was rounding ring stage body, its bottom surface had a hole.Circle ring column or the cylinder of top 7B are made by duroplasts.Hold the part of liquid floating plug 7 only below the grid demarcation strip 4C of the dropping funnel B 4B of section and end the shape of liquid floating plug 7 identical, size is complementary, and makes to end liquid floating plug 7 and can seal dropping funnel 4, can inside slide up and down again.
The lower, neck end of dropping funnel 4 connects tube for transfusion 2, the outside of tube for transfusion 2 is nested with a flow regulator 8, tube for transfusion below flow regulator 82 times connects the outer cone joint, outside cone joint below connect soft tube for transfusion 10, below soft tube for transfusion 10, connect intravenous needle 11.
Using method is with embodiment one.
Embodiment four,
As shown in Figure 4 be a kind of transfusion device, bottle plug puncture unit 1 connects tube for transfusion 2, tube for transfusion 2 connects dropping funnel 4, the transfusion that extend in the dropping funnel chamber in bottom of cervical regions installation, dropping funnel 4 upper end splashes into pipe 3, splash in the part that extend into the dropping funnel intracavity of pipe 3 in transfusion, only establishing one or more spout towards the position of dropping funnel 4 sidewalls.Be arranged in the part of upper end under the cervical region at dropping funnel 4, its shape by on fall down to be arranged in order to be same axis circle ring column that three diameters that were arranged in order from top to bottom before this are gradually little, be again one with they with axis inverted round stage ring body, be the lower, neck end of dropping funnel 4 at last.And between the circle ring column of the diameter maximum of dropping funnel 4 and circle ring column that diameter takes second place, also be provided with the grid demarcation strip 4C of a circle.Dropping funnel 4 is divided into the top 4A of A section and following two part fabrication and installation of the 4B of B section, they partly realize connecting at that circle ring column of the diameter maximum of dropping funnel 4, wherein the 4B of B section is made by duroplasts, the 4A of A section is made by flexible plastic, and the handing-over line between them is positioned on the plane that is parallel to horizontal plane.Open an openning 4D at the roof of the dropping funnel A 4A of section, at this openning 4D the waterproof air filter 6 with bending exhaustor 6A is installed, perhaps extending internally at this openning 4D forms a bending exhaustor 6A and waterproof air filter 6 joins.This waterproof air filter 6 is circular, and the boundary of this exhaustor 6A and waterproof air filter 6 is positioned at the center of waterproof air filter 6.The waterproof air-filtering membrane 6C that a level is installed in waterproof air filter 6 and puts, this waterproof air-filtering membrane 6C be positioned at dropping funnel 4 pipes high 1/2nd to 2/3rds between.That end that is positioned at dropping funnel wall place at exhaustor 6A arranges a sealing-plug 5.
Below the grid demarcation strip 4C of the dropping funnel B 4B of section, hold a bottom 7C in the position between the cervical region of dropping funnel 4 lower ends and be rounding stage body or inverted round stage ring body, top 7B is cylinder or adds a upper top cover above the circle ring column, and circle ring column or toric on the edge of end face extend several pillars to its sidepiece again, what connect a circle ring column in the outer end of pillar ends liquid floating plug 7.The bottom 7C that ends liquid floating plug 7 is made by silica gel or butyl rubber, and when it was rounding ring stage body, its bottom surface had a hole.Circle ring column or the cylinder of top 7B are made by duroplasts.Between the upper part of the part of holding liquid floating plug 7 only of dropping funnel 4 and dropping funnel 4, adopt the grid demarcation strip 4C of a circle to be separated by.Hold the part of liquid floating plug 7 only below the grid demarcation strip 4C of the dropping funnel B 4B of section and end the shape of liquid floating plug 7 identical, size is complementary, and makes to end liquid floating plug 7 and can seal dropping funnel 4, can inside slide up and down again.
The lower, neck end of dropping funnel 4 connects tube for transfusion 2, the outside of tube for transfusion 2 is nested with a flow regulator 8, tube for transfusion below flow regulator 82 times connects the outer cone joint, outside cone joint below connect soft tube for transfusion 10, below soft tube for transfusion 10, connect intravenous needle 11.
Using method is with embodiment one.
Claims (8)
1. a transfusion device comprises bottle plug puncture unit, tube for transfusion (2), transfusion splashes into pipe (3), dropping funnel (4), lower tube for transfusion (2), end the liquid bucket, flow regulator (8), the outer cone joint, tiny tube for transfusion (2), intravenous needle (11) is characterized in that: dropping funnel (4) is installed by top A section (4A) and following B section (4B) two parts and is made, its B section (4B) is made by rigid plastics, and its A section (4A) can use hard or flexible plastic is made; Open an openning (4D) at dropping funnel (4) wall, at this openning (4D) exhaustor (6A) that stretches to dropping funnel (4) intracavity is set, is provided with a waterproof air filter (6) at the tail end of the exhaustor (6A) of dropping funnel (4) intracavity; Waterproof air-filtering membrane (6C) is housed in waterproof air filter (6), the peak of waterproof air-filtering membrane (6C) be controlled at dropping funnel (4) pipe high 1/2nd to 2/3rds between; Be positioned at the dropping funnel (4) under the cervical region of upper end, its shape by on fall down to be arranged in order to be the diminishing plural circle ring column of diameter before this, an inverted round stage ring body again, be the lower, neck end of dropping funnel (4) at last, and between first circle ring column and second circle ring column, also be provided with the grid demarcation strip (4C) of a circle; Below the grid demarcation strip (4C) of dropping funnel (4) B section (4B), hold a bottom (7C) in the position between the cervical region of dropping funnel (4) lower end for rounding stage body or inverted round stage ring body, top (7B) be cylinder or add a upper top cover above the circle ring column end liquid floating plug (7); Its bottom (7C) of ending liquid floating plug (7) is made by silica gel or butyl rubber, and circle ring column or the cylinder of top (7C) are made by duroplasts; It is identical with the shape of ending liquid floating plug (7) to hold the part of ending liquid floating plug (7) below the grid demarcation strip (4C) of dropping funnel (4) B section (4B), size is complementary, make only that liquid floating plug (7) can seal dropping funnel (4), can inside slide up and down again.
2. a kind of transfusion device as claimed in claim 1, it is characterized in that: that end that is positioned at dropping funnel (4) wall at exhaustor (6A) arranges a sealing-plug (5).
3. a kind of transfusion device as claimed in claim 1 is characterized in that: the upper top that ends liquid floating plug (7) extends several pillars laterally, connects a torus or circle ring column at pillar again.
4. a kind of transfusion device as claimed in claim 1, it is characterized in that: described transfusion device is lucifuge color or colourless, it mainly uses polypropylene or polrvinyl chloride or silica gel material to make.
5. a kind of transfusion device as claimed in claim 1, it is characterized in that: described waterproof air-filtering membrane (6C) is positioned at the middle section of dropping funnel (4) cross section.
6. a kind of transfusion device as claimed in claim 1, it is characterized in that: the connecting line between described dropping funnel (4) A section (4A) and the B section (4B) is parallel with horizontal plane or not parallel.
7. a kind of transfusion device as claimed in claim 1, it is characterized in that: boundary on the described waterproof air filter (6) and exhaustor (6A) is the axis part that departs from its axis or do not depart from it.
8. a kind of transfusion device as claimed in claim 1, it is characterized in that: the exhaustor (6A) that is arranged between dropping funnel (4) wall and the waterproof air filter (6) directly extends to form from dropping funnel (4) wall or from waterproof air filter (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220324433 CN202892522U (en) | 2012-06-26 | 2012-06-26 | Infusion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220324433 CN202892522U (en) | 2012-06-26 | 2012-06-26 | Infusion device |
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| Publication Number | Publication Date |
|---|---|
| CN202892522U true CN202892522U (en) | 2013-04-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220324433 Expired - Fee Related CN202892522U (en) | 2012-06-26 | 2012-06-26 | Infusion device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104474603A (en) * | 2014-12-26 | 2015-04-01 | 北京伏尔特技术有限公司 | Self-exhausting, liquid-stopping and liquid-purifying infusion apparatus and safe infusion method thereof |
| CN104941023A (en) * | 2015-05-22 | 2015-09-30 | 戎静华 | Automatic exhaust anticoagulation liquid stopping and saving infusion set |
| CN104958805A (en) * | 2015-05-21 | 2015-10-07 | 戎静华 | Automatic anticoagulation liquid stopping infusion apparatus |
| CN105030533A (en) * | 2015-08-26 | 2015-11-11 | 广州市如冠医疗器械有限公司 | Medical infusion container |
| CN107096088A (en) * | 2017-06-15 | 2017-08-29 | 莱芜钢铁集团有限公司 | Transfusion device and its Mo Feishi droppers |
-
2012
- 2012-06-26 CN CN 201220324433 patent/CN202892522U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104474603A (en) * | 2014-12-26 | 2015-04-01 | 北京伏尔特技术有限公司 | Self-exhausting, liquid-stopping and liquid-purifying infusion apparatus and safe infusion method thereof |
| CN104958805A (en) * | 2015-05-21 | 2015-10-07 | 戎静华 | Automatic anticoagulation liquid stopping infusion apparatus |
| CN104941023A (en) * | 2015-05-22 | 2015-09-30 | 戎静华 | Automatic exhaust anticoagulation liquid stopping and saving infusion set |
| CN105030533A (en) * | 2015-08-26 | 2015-11-11 | 广州市如冠医疗器械有限公司 | Medical infusion container |
| CN107096088A (en) * | 2017-06-15 | 2017-08-29 | 莱芜钢铁集团有限公司 | Transfusion device and its Mo Feishi droppers |
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