CN102755683A - Infusion apparatus - Google Patents
Infusion apparatus Download PDFInfo
- Publication number
- CN102755683A CN102755683A CN2012102352415A CN201210235241A CN102755683A CN 102755683 A CN102755683 A CN 102755683A CN 2012102352415 A CN2012102352415 A CN 2012102352415A CN 201210235241 A CN201210235241 A CN 201210235241A CN 102755683 A CN102755683 A CN 102755683A
- Authority
- CN
- China
- Prior art keywords
- dropping funnel
- transfusion
- infusion
- floating plug
- tube
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Landscapes
- Medical Preparation Storing Or Oral Administration Devices (AREA)
Abstract
The invention discloses an infusion apparatus which comprises a bottle stopper puncture outfit, an infusion tube, an infusion dripping tube, a dripping bucket, a lower infusion tube, an infusion stopping bucket, a flow regulator, an outer cone joint, a fine infusion tube and an intravenous injection needle and is characterized in that an infusion stopping floating plug is contained at the lower end of the dripping bucket, wherein the lower part of the infusion stopping floating plug is an inverted circular platform or an inverted circular platform ring body, the upper part of the infusion stopping floating plug is formed by adding an upper top cover on a cylinder or a circular ring cylinder, the shape and the size of the lower end of the dripping bucket are matched with those of the infusion stopping floating plug; a waterproof air filter which is connected with a dripping bucket wall through an exhaust tube is installed in the dripping bucket, and a sealing plug is also arranged at one end of the exhaust tube, which is located on the dripping bucket wall. With the adoption of the infusion apparatus, the automatic exhaust of the dripping bucket and influsion stopping after an infusion is wholly dripped can be realized, so that air can be prevented from entering into the infusion tube.
Description
[affiliated technical field]
Patent of the present invention 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 is used the automatic vent scheme; Be confined to the solution stopping floating plug is installed in the dropping funnel; And on the middle part of dropping funnel sidewall, open openning/or cover out at dropping funnel and an openning that extends to the pipe at dropping funnel middle part to be installed in dropping funnel, an air filter that is provided with waterproof air filtration film and sealing plug is installed on this openning again.Design although it is so both can make dropping funnel automatically and aerofluxus very fast, can after transfusion is dripped to the greatest extent, dropping funnel sealed up automatically again, had prevented the generation of blood back.But it also exists following defective.1, operation is simple inadequately.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 the dropping funnel aerofluxus to exceed standard and make the dropping funnel forfeiture observe a function of dripping speed.2, cost of manufacture is big.This type transfusion device is owing to install a solution stopping floating plug in the bottom of dropping funnel, so dropping funnel, floating plug should meet the original requirement of dropping funnel and meet the requirement that can reach the solution stopping function again when design.Because the diameter of dropping funnel with highly be that rigid regulation is arranged; Again because; Realize sealing and prevent when moving, lying on the table in order to make floating plug; The high plastic production of hardness all must be used with following position in the middle part of dropping funnel, and the solution stopping floating plug not only need use the sealing flexible glue to make, and the diameter of solution stopping floating plug is compelled to do greatly greatly because of dropping funnel with height.To exceed more than the several times with the material cost of the material cost that seals flexible glue because meet the high plastics of the special-purpose hardness of the transfusion device of standards of pharmacopoeia, so it is all higher to make the cost of such dropping funnel and solution stopping floating plug than flexible plastic.3, cause tube for transfusion air inlet down easily.Cause producing bubble in the transfusion in the dropping funnel because drip fast too fast meeting during transfusion, thereby the phenomenon of tube for transfusion air inlet down takes place, for those solution stopping floating plug is arranged on the transfusion device in the dropping funnel, the appearance of its same inevitable this phenomenon.
[summary of the invention]
The present invention proposes a kind of transfusion device, and 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 practiced thrift raw material.
The present invention includes bottle plug puncture unit, tube for transfusion, transfusion splashes into pipe, dropping funnel; Following tube for transfusion, solution stopping bucket, flow regulator; The outer cone joint, tiny tube for transfusion, intravenous needle; It is characterized in that: dropping funnel is formed by top A portion and following B portion two parts production and installation, and its B portion is made by rigid plastics, and its A portion can use hard or flexible plastic is made; An opening is set on the dropping funnel wall, an exhaustor that stretches to the dropping funnel intracavity is set on opening part, on the tail end of the exhaustor of dropping funnel intracavity, be provided with a waterproof air filter; Waterproof air filtration film is housed in the waterproof air filter, the peak of waterproof air filtration film 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; Be a rounding platform 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 portion, hold a bottom in the position between the cervical region of dropping funnel lower end and be rounding stage body or rounding platform ring body, top is cylinder or the solution stopping floating plug that adds a upper top cover above the circle ring column; The bottom of its solution stopping floating plug is made by silica gel or butyl rubber, and the circle ring column or the cylinder on top are made by duroplasts; The part of holding the solution stopping floating plug below the grid demarcation strip of dropping funnel B portion is identical with the shape of solution stopping floating plug, and size is complementary, and makes the solution stopping floating plug can seal dropping funnel, can inside slide up and down again.
As preferably: on that end that is positioned at the dropping funnel wall of exhaustor, a sealing-plug is set.
Further preferred: the upper top of solution stopping floating plug extends several pillars laterally, on pillar, connects a torus or circle ring column again.
Further preferred: said transfusion device is a lucifuge color or colourless, and it mainly uses polypropylene or polrvinyl chloride or silica gel material to make.
Further preferred: said waterproof air filtration film is positioned at the middle section of dropping funnel cross section.
Further preferred: the connecting line between said dropping funnel A portion and the B portion is parallel with horizontal plane or not parallel.
Further preferred: on the said 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.
Beneficial effect of the present invention: 1, automatic vent.After the waterproof air filter is housed on the dropping funnel, just open from need become in the past that sealing-plug just can accomplish automatically during the dropping funnel aerofluxus with finger extruding dropping funnel.2, realize blood return prevention automatically.After transfusion was dripped to the greatest extent, the solution stopping floating plug is sealing solution stopping bucket automatically, thereby made the fluid column in the tube for transfusion maintain constant height, had prevented the generation of blood back.3, economical with materials; The diameter of the part of holding the solution stopping floating plug of dropping funnel and the diameter of solution stopping floating plug are all than that circle ring column little that is positioned at their tops; And between the part of holding the solution stopping floating plug of dropping funnel and the part of the circle ring column above it, adopt a grid demarcation strip; The height of floating plug is reduced greatly, make it can avoid in accumulating or in dropping funnel, take place in using to be inverted or rollover and influence stablizing of blood return prevention function because limited the range of activity of solution stopping floating plug like this.To exceed more than the several times with the material cost of the material cost that seals flexible glue because meet the high plastics of the special-purpose hardness of the transfusion device of standards of pharmacopoeia, so such design reduces cost of manufacture greatly than flexible plastic.4, operation is simpler.When aerofluxus or after the aerofluxus; If dropping funnel shakes or tilts; Because the waterproof air filtration film 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 in the dropping funnel aerofluxus excessive, the air pillar is too short and can't observe and drip speed in the dropping funnel; Therefore for the sort of described in the technical background in the above installed the air filter that has sealing plug on dropping funnel the sort of blood return preventing infusion device, operation meeting of the present invention is more simple.5. avoid the tube for transfusion air inlet below the dropping funnel.Transfusion splashes into and manages the opening that extend on the part in the dropping funnel chamber is towards the medial wall of dropping funnel, and it sprays to the medial wall of dropping funnel earlier in the time of making transfusion be drawn in the dropping funnel, trickle to the lower end of dropping funnel again.Produce bubble when therefore having avoided transfusion directly to be punched in the transfusion of having put aside below dropping funnel, thereby avoided these bubbles to get 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 solution stopping floating plug is provided with among the present invention is greater than the ring bodies of the floating block of solution stopping floating plug; Or circle ring column; They all are beneficial to Digit Control Machine Tool and the solution stopping floating plug is tangled are sent to specified zone 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 helps installing and increasing work efficiency.
[description of drawings]
Fig. 1 is the structural representation of a kind of transfusion device embodiment one of the present invention.
Fig. 2 is the structural representation of a kind of transfusion device embodiment two of the present invention.
Fig. 3 is the structural representation of a kind of transfusion device embodiment three of the present invention.
Fig. 4 is the structural representation of a kind of transfusion device embodiment four of the present invention.
[specific embodiment]
Embodiment one,
As shown in Figure 1 is 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 bottom of installation extend in the dropping funnel chamber on dropping funnel 4 upper end cervical regions splashes into pipe 3, splashes in the part that extend into the dropping funnel intracavity of pipe 3 in transfusion, only on the position of dropping funnel 4 sidewalls, is establishing one or more spout.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 big, little two circle ring columns of diameter before this with axis, be again one with they rounding platform ring bodies with axis, be the lower, neck end of dropping funnel 4 at last.And between the little circle ring column of the big 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 portion and following two part fabrication and installation of the 4B of B portion, and they partly realize connecting at that maximum circle ring column of the diameter of dropping funnel 4.Wherein the 4B of B portion is made by duroplasts, and the 4A of A portion is made by flexible plastic, the handing-over line between them be positioned at one tilt and under plane or curved surface on.At the high medium position of dropping funnel 4 pipes; On the sidewall of 4A of A portion or the 4B of B portion, open an openning 4D; A waterproof air filter 6 that has exhaustor 6A is installed on this openning 4D, and perhaps on this openning 4D, extend internally exhaustor 6A of formation and waterproof air filter 6 join.The boundary of this exhaustor 6A and waterproof air filter 6 is positioned at the centermost of waterproof air filter 6.A rectangular waterproof air filtration film 6C is installed in waterproof air filter 6, it perpendicular to horizontal plane and with dropping funnel 4 shared axis, its peak be controlled at dropping funnel 4 pipes high 1/2nd to 2/3rds between.On that end that is positioned at dropping funnel wall place of exhaustor 6A, a sealing-plug 5 is set.
Below the grid demarcation strip 4C of the dropping funnel B 4B of portion, hold a bottom 7C in the position between the cervical region of dropping funnel 4 lower ends and be rounding stage body or rounding platform ring body, top 7B is cylinder or the solution stopping floating plug 7 that adds a upper top cover above the circle ring column.The bottom 7C of its solution stopping 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.The part of holding solution stopping floating plug 7 below the grid demarcation strip 4C of the dropping funnel B 4B of portion is identical with the shape of solution stopping floating plug 7, and size is complementary, and makes solution stopping floating plug 7 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.
Method for using:
Confirm that earlier sealing-plug 5 sealings are errorless, transfusion device and infusion bottle join then, 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 through waterproof air filter 6 via exhaustor 6A to effluxing, with this simultaneously dropping funnel 4 from infusion bottle, suck the transfusion of equivalent.When transfusion sucked in the dropping funnel 4, the opening that the transfusion through dropping funnel 4 upper end cervical regions splashes into pipe 3 was 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.Transfusions in the suction dropping funnel 4 constantly accumulate in the below of dropping funnel 4; Be immersed in floating plug wherein; After the transfusion water level rises to certain height; Floating plug is opened automatically, sucks transfusion parts in the dropping funnel 4 and continues to be trapped in the water levels of transfusion in the dropping funnel 4 are constantly risen, and 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 filtration film 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 infusing from intravenous needle 11 ejaculations, close flow regulator 8, connect vein, mix up and drip the fast normal infusion that begins.
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, need sealing-plug 5 not closed.When transfusion was dripped to the greatest extent, solution stopping floating plug 7 made transfusion maintain constant height from the lower end of movable sealing dropping funnel 4, has prevented the generation of blood back.
During the changing-over infusion bottle, only need from old infusion bottle, be moved in the new infusion bottle transfusion device just passable.
Embodiment two,
As shown in Figure 2 is 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 bottom of installation extend in the dropping funnel chamber on dropping funnel 4 upper end cervical regions splashes into pipe 3, splashes in the part that extend into the dropping funnel intracavity of pipe 3 in transfusion, only on the position of dropping funnel 4 sidewalls, is establishing one or more spout.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 rounding platform ring body, be the lower, neck end of dropping funnel 4 at last.And between the circle ring column that the maximum circle ring column of the diameter of dropping funnel 4 and diameter take 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 portion and following two part fabrication and installation of the 4B of B portion, and they partly realize connecting at that maximum circle ring column of the diameter of dropping funnel 4.Wherein the 4B of B portion is made by duroplasts, and the 4A of A portion is made by flexible plastic, and the handing-over line between them is positioned on the plane that is parallel to horizontal plane.On the sidewall of the A of dropping funnel 4 4A of or the 4B of B portion, open an openning 4D, a waterproof air filter 6 that has exhaustor 6A is installed on this openning 4D, perhaps on this openning 4D, extend internally exhaustor 6A of formation and waterproof air filter 6 join.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 filtration film 6C is installed in waterproof air filter 6, and it is perpendicular to horizontal plane and dropping funnel 4 shared axis, and its peak is controlled at dropping funnel 4 and manages between high 1/2nd to 2/3rds.On that end that is positioned at dropping funnel wall place of exhaustor 6A, a sealing-plug 5 is set.
Below the grid demarcation strip 4C of the dropping funnel B 4B of portion, hold a bottom 7C in the position between the cervical region of dropping funnel 4 lower ends and be rounding stage body or rounding platform ring body; Top 7B is cylinder or the solution stopping 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 solution stopping floating plug 7 in the outer end of pillar.The bottom 7C of solution stopping 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.The part of holding solution stopping floating plug 7 below the grid demarcation strip 4C of the dropping funnel B 4B of portion is identical with the shape of solution stopping floating plug 7, and size is complementary, and makes solution stopping floating plug 7 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.Method for using is with embodiment one.
Embodiment three,
As shown in Figure 3 is 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 bottom of installation extend in the dropping funnel chamber on dropping funnel 4 upper end cervical regions splashes into pipe 3, splashes in the part that extend into the dropping funnel intracavity of pipe 3 in transfusion, only on the position of dropping funnel 4 sidewalls, is establishing one or more spout.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 rounding platform ring body, be the lower, neck end of dropping funnel 4 at last.And between the circle ring column that the maximum circle ring column of the diameter of dropping funnel 4 and diameter take 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 portion and following two part fabrication and installation of the 4B of B portion; They partly realize connecting at that maximum circle ring column of the diameter of dropping funnel 4; Wherein the 4B of B portion is made by duroplasts; The 4A of A portion is made by flexible plastic, and the handing-over line between them is positioned on the plane that is parallel to horizontal plane.On the roof of the dropping funnel A 4A of portion, open an openning 4D, a waterproof air filter 6 that has exhaustor 6A is installed on this openning 4D, perhaps on this openning 4D, extend internally exhaustor 6A of formation and waterproof air filter 6 join.This waterproof air filter 6 is water droplet shape 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 filtration film 6C that in waterproof air filter 6, a level is installed and puts; This waterproof air filtration film 6C be positioned at dropping funnel 4 pipe high 1/2nd to 2/3rds between; There is a fixing head in the outside at waterproof air filtration film 6C, the circular vacancy that on fixing head, to leave an axis with dropping funnel 4 be the center of circle.On that end that is positioned at dropping funnel wall place of exhaustor 6A, a sealing-plug 5 is set.
Below the grid demarcation strip 4C of the dropping funnel B 4B of portion, hold a bottom 7C in the position between the cervical region of dropping funnel 4 lower ends and be rounding stage body or rounding platform 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, connect the solution stopping floating plug 7 of a circle ring column in the outer end of pillar.The bottom 7C of solution stopping 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.The part of holding solution stopping floating plug 7 below the grid demarcation strip 4C of the dropping funnel B 4B of portion is identical with the shape of solution stopping floating plug 7, and size is complementary, and makes solution stopping floating plug 7 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.
Method for using is with embodiment one.
Embodiment four,
As shown in Figure 4 is 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, splashes in the part that extend into the dropping funnel intracavity of pipe 3 in transfusion, only on the position of dropping funnel 4 sidewalls, is establishing one or more spout.The part under the cervical region of upper end that is arranged 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 rounding platform ring body, be the lower, neck end of dropping funnel 4 at last.And between the circle ring column that the maximum circle ring column of the diameter of dropping funnel 4 and diameter take 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 portion and following two part fabrication and installation of the 4B of B portion; They partly realize connecting at that maximum circle ring column of the diameter of dropping funnel 4; Wherein the 4B of B portion is made by duroplasts; The 4A of A portion is made by flexible plastic, and the handing-over line between them is positioned on the plane that is parallel to horizontal plane.On the roof of the dropping funnel A 4A of portion, open an openning 4D, a waterproof air filter 6 that has bending exhaustor 6A is installed on this openning 4D, perhaps on this openning 4D, extend internally bending exhaustor 6A of formation and waterproof air filter 6 join.This waterproof air filter 6 is circular, and the boundary of this exhaustor 6A and waterproof air filter 6 is positioned at the centermost of waterproof air filter 6.The waterproof air filtration film 6C that a level is installed in waterproof air filter 6 and puts, this waterproof air filtration film 6C be positioned at dropping funnel 4 pipes high 1/2nd to 2/3rds between.On that end that is positioned at dropping funnel wall place of exhaustor 6A, a sealing-plug 5 is set.
Below the grid demarcation strip 4C of the dropping funnel B 4B of portion, hold a bottom 7C in the position between the cervical region of dropping funnel 4 lower ends and be rounding stage body or rounding platform 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, connect the solution stopping floating plug 7 of a circle ring column in the outer end of pillar.The bottom 7C of solution stopping 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 solution stopping floating plug 7 of dropping funnel 4 and dropping funnel 4, adopt the grid demarcation strip 4C of a circle to be separated by.The part of holding solution stopping floating plug 7 below the grid demarcation strip 4C of the dropping funnel B 4B of portion is identical with the shape of solution stopping floating plug 7, and size is complementary, and makes solution stopping floating plug 7 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.
Method for using is with embodiment one.
Claims (8)
1. this programme comprises bottle plug puncture unit, tube for transfusion (2), and transfusion splashes into pipe (3), dropping funnel (4); Following tube for transfusion (2), solution stopping bucket, flow regulator (8); The outer cone joint, tiny tube for transfusion (2), intravenous needle (11); It is characterized in that: dropping funnel (4) is formed by top A portion (4A) and following B portion (4B) two parts production and installation, and its B portion (4B) is made by rigid plastics, and its A portion (4A) can use hard or flexible plastic is made; On dropping funnel (4) wall, open an openning (4D), an exhaustor (6A) that stretches to dropping funnel (4) intracavity is set on this openning (4D), on the tail end of the exhaustor (6A) of dropping funnel (4) intracavity, be provided with a waterproof air filter (6); Waterproof air filtration film (6C) is housed in waterproof air filter (6), the peak of waterproof air filtration film (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; Be a rounding platform 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 portion (4B), hold a bottom (7C) in the position between the cervical region of dropping funnel (4) lower end for rounding stage body or rounding platform ring body, top (7B) is cylinder or the solution stopping floating plug (7) that adds a upper top cover above the circle ring column; The bottom (7C) of its solution stopping floating plug (7) is made by silica gel or butyl rubber, and the circle ring column or the cylinder of top (7C) are made by duroplasts; The part of holding solution stopping floating plug (7) below the grid demarcation strip (4C) of dropping funnel (4) B portion (4B) is identical with the shape of solution stopping floating plug (7), and size is complementary, and makes solution stopping 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 is characterized in that: on that end that is positioned at dropping funnel (4) wall of exhaustor (6A), a sealing-plug (5) is set.
3. a kind of transfusion device as claimed in claim 1 is characterized in that: the upper top of solution stopping floating plug (7) extends several pillars laterally, on pillar, connects a torus or circle ring column again.
4. a kind of transfusion device as claimed in claim 1 is characterized in that: said transfusion device is a lucifuge color or colourless, and it mainly uses polypropylene or polrvinyl chloride or silica gel material to make.
5. a kind of transfusion device as claimed in claim 1 is characterized in that: said waterproof air filtration film (6C) is positioned at the middle section of dropping funnel (4) cross section.
6. a kind of transfusion device as claimed in claim 1 is characterized in that: said dropping funnel (4) A portion (4A) and B portion (4B) connecting line between (4B) is parallel with horizontal plane or not parallel.
7. a kind of transfusion device as claimed in claim 1 is characterized in that: boundary on the said 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 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 |
---|---|---|---|
CN2012102352415A CN102755683A (en) | 2012-06-26 | 2012-06-26 | Infusion apparatus |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2012102352415A CN102755683A (en) | 2012-06-26 | 2012-06-26 | Infusion apparatus |
Publications (1)
Publication Number | Publication Date |
---|---|
CN102755683A true CN102755683A (en) | 2012-10-31 |
Family
ID=47050485
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2012102352415A Pending CN102755683A (en) | 2012-06-26 | 2012-06-26 | Infusion apparatus |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN102755683A (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103800963A (en) * | 2012-11-12 | 2014-05-21 | 祁健 | Disposable safe infusion apparatus |
CN103800962A (en) * | 2012-11-12 | 2014-05-21 | 祁健 | Improved disposable safe infusion set |
CN107432966A (en) * | 2017-08-31 | 2017-12-05 | 浙江康康医疗器械有限公司 | A kind of exhaust dropping funnel certainly |
CN110975049A (en) * | 2019-11-18 | 2020-04-10 | 湖南宽为医疗科技有限公司 | Dropping funnel and infusion apparatus with same |
-
2012
- 2012-06-26 CN CN2012102352415A patent/CN102755683A/en active Pending
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103800963A (en) * | 2012-11-12 | 2014-05-21 | 祁健 | Disposable safe infusion apparatus |
CN103800962A (en) * | 2012-11-12 | 2014-05-21 | 祁健 | Improved disposable safe infusion set |
CN103800963B (en) * | 2012-11-12 | 2017-09-01 | 祁健 | Disposable safe transfusion system |
CN103800962B (en) * | 2012-11-12 | 2017-11-21 | 祁健 | Improved disposable safe transfusion system |
CN107432966A (en) * | 2017-08-31 | 2017-12-05 | 浙江康康医疗器械有限公司 | A kind of exhaust dropping funnel certainly |
CN110975049A (en) * | 2019-11-18 | 2020-04-10 | 湖南宽为医疗科技有限公司 | Dropping funnel and infusion apparatus with same |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN202892522U (en) | Infusion device | |
CN201668789U (en) | Automatic liquid-stop infusion set with safety mechanism | |
CN102755683A (en) | Infusion apparatus | |
CN102389603B (en) | Automatic air discharging system of infusion device capable of preventing blood return | |
CN202605452U (en) | Automatic exhausting and liquid-stopping transfusion set | |
CN103977473A (en) | Automatic stopping infusion device provided with exhausting fluid storing tube and micro-flow-rate infusion tube | |
CN102526844A (en) | Automatic venting infusion set capable of preventing blood return | |
CN1213918C (en) | Spout assembly for liquid container | |
CN102553033A (en) | Automatic air-exhausting and liquid-stopping infusion set | |
CN203943957U (en) | A kind of automatic liquid-stopping transfusion apparatus that aerofluxus liquid storage pipe and micrometeor tube for transfusion are housed | |
CN102614558A (en) | Infusion apparatus capable of automatically exhausting due to liquid stop by floating plug | |
CN102755678A (en) | Safe and convenient and fast medical transfusion device | |
CN202892563U (en) | An infusion apparatus realizing liquid stop with a floating plug and automatic exhaust | |
CN101337098A (en) | Automatic vent intravenous transfusion device for medical purpose | |
CN102716520A (en) | Medical transfusion system capable of exhausting automatically to prevent blood return | |
CN104189969A (en) | Automatic liquid-stopping infusion apparatus with novel exhaust liquid-storage tube | |
CN103212131B (en) | Disposable transfusion device is with dripping kettle assembly | |
CN203263916U (en) | Drip cup component for disposable infusion apparatus | |
CN202682478U (en) | Safe automatic hydraulic-control starting-stopping valve and infusion apparatus having the same | |
CN203507223U (en) | Disposable air separation automatic-infusion-stopping dripping-off prevention infusion apparatus | |
CN202666116U (en) | Automatic air discharging and blood returning prevention transfusion machine for medical use | |
CN201880139U (en) | Bubble-prevention infusion apparatus | |
CN202336116U (en) | Automatic exhaust system for blood return prevention infusion apparatus | |
CN204468901U (en) | Prevent gas from entering the dropping funnel of vein | |
CN203494011U (en) | Drip chamber with automatic exhaust and liquid stopping functions |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20121031 |