CN110327507A

CN110327507A - It is a kind of with the infusion apparatus for steeping function of cooling down

Info

Publication number: CN110327507A
Application number: CN201910589277.5A
Authority: CN
Inventors: 聂爱青; 刘芹
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-07-02
Filing date: 2019-07-02
Publication date: 2019-10-15

Abstract

The invention discloses a kind of with the infusion apparatus for steeping function of cooling down, including sealing cover, dropping funnel, perfusion tube, defoaming pipe and anti-reflux mechanism, sealing cover is connected at the top of the dropping funnel, and fixing end is connected on the outside of sealing cover liquid feeding end, the outer sheath of the sealing cover outlet end is equipped with fixed ring, defoaming pipe is connected with by connecting rod below fixed ring, and the inside of dropping funnel is extended at the top of perfusion tube, the anti-reflux mechanism is slidably connected to the inside of perfusion tube, and the top of anti-reflux mechanism extends to the inside of dropping funnel above perfusion tube；The anti-reflux mechanism includes floating plug, connecting tube and slider disc.The present invention is by using sealing cover, dropping funnel, perfusion tube, defoaming pipe and anti-reflux mechanism, it can effectively avoid medical fluid from dripping and generate impact between liquid level, reduce the generation of bubble, the bubble in medical fluid can be effectively eliminated, can effective automatic liquid-stopping, the phenomenon that air pressure change causes blood of human body to flow back in dropping funnel after avoiding medical fluid stream complete.

Description

It is a kind of with the infusion apparatus for steeping function of cooling down

Technical field

The present invention relates to medical instruments fields, are specifically related to a kind of with the infusion apparatus for steeping function of cooling down.

Background technique

It is constantly progressive with the continuous development of society with medical industry, venous transfusion has become in daily treatment The most common treatment means, and in venous transfusion need by infusion apparatus to input drug in human body, thus infusion apparatus at Tool is used in order to which venous transfusion is most important.

A kind of bubble-proof transfusion device, including dropping funnel are disclosed in the patent that application publication number is 102485287 A of CN With Anti-bubble pipe, the bubble-proof transfusion device further include: one is arranged in the exhaust apparatus on the dropping funnel, and the exhaust fills Entrance is located at the top of the Anti-bubble pipe in the dropping funnel set, and has distance with the Anti-bubble pipe；The invention passes through in dropping funnel On added exhaust apparatus, accelerate the speed of exhaust, and the liquid for flowing into dropping funnel is steady, bubble-free and gas-liquid are mixed Zoarium is formed, and the efficiency and safety of infusion are improved while reaching Anti-bubble effect.But it has the following disadvantages: only The bubble that medical fluid generates in injection process, and the medical fluid and liquid dripped can not be effectively eliminated by traditional exhaust apparatus The impact generated after face contact can also generate bubble, which can not effectively eliminate the bubble generated under these states, can still lead Bubble is caused to enter human body with medical fluid, there are some potential safety problemss.

It is for another example disclosed in the patent that application publication number is 102512723 B of CN a kind of from exhaust Anti-bubble infusion Device, including bottle plug puncture unit, infusion pipeline, dropping funnel, flow regulator, liquid medicine filter, tongs, cone joint and vein Transfusion needle, dropping funnel is interior to be equipped with exhaust apparatus, and exhaust apparatus includes that exhaust seat, exhaust core and nut cap, the bottom of exhaust seat are fixed on It is fitted close at the liquid droping port of dropping funnel bottom end and with liquid droping port, the hollow exhaust communicated with liquid droping port is equipped in exhaust seat Core is vented between core and exhaust seat and is equipped with feed liquor gap, is vented on the side wall of core and exhaust seat and is provided with lead channel, is vented Nut cap is arranged in the top of seat, and nut cap fastens with exhaust seat, and the side wall of nut cap is equipped at least one air discharge duct；The infusion apparatus Exhaust apparatus in dropping funnel can will enter the gas in the gas-liquid mixture in dropping funnel and be discharged, and prevent bubble from generating, nut cap row Air drain can avoid entrapped air volume, safe and convenient to use, quick reliable.But it has the following disadvantages: the device, and there are still medical fluids The phenomenon that generating impact with liquid level when drippage and forming bubble, and the device can not easily make in the complete rear automatic liquid-stopping of medical fluid stream The phenomenon that obtaining air pressure change in the complete rear dropping funnel of medical fluid stream, causing blood back.

Summary of the invention

1. technical problems to be solved

The technical problem to be solved in the present invention is that providing a kind of with the infusion apparatus for steeping function of cooling down, can effectively avoid Impact is generated between medical fluid drippage and liquid level, the generation of bubble is reduced, effectively eliminates the bubble in medical fluid, it can effective auto-stopping The phenomenon that liquid, air pressure change causes blood of human body to flow back in dropping funnel after avoiding medical fluid stream complete.

2. technical solution

To solve the above problems, the present invention adopts the following technical scheme that:

It is a kind of with the infusion apparatus for steeping function of cooling down, including sealing cover, dropping funnel, perfusion tube, defoaming pipe and anti-return machine Structure is connected with sealing cover at the top of the dropping funnel, and sealing cover is set as " towel " font structure, and connects on the outside of sealing cover liquid feeding end It is connected to fixing end, one end below the fixing end at the top of sealing cover is connected with escape pipe, and is fixed with out at the top of escape pipe Gas lid, the outer sheath of the sealing cover outlet end are equipped with fixed ring, are connected with defoaming by connecting rod below fixed ring and manage, and disappear Bubble pipe is set as funnel-shaped structure, defoams and is uniformly provided with pore on the side wall of pipe tubular tip, the center connection of the dropping funnel bottom There is outlet tube, the inside of outlet tube is connected with perfusion tube, and the inside of dropping funnel is extended at the top of perfusion tube, and perfusion tube is close The inner wall of dropping funnel one end is equipped with sliding slot, and the anti-reflux mechanism is slidably connected to the inside of perfusion tube, and anti-reflux mechanism Top extends to the inside of dropping funnel above perfusion tube；

The anti-reflux mechanism includes floating plug, connecting tube and slider disc, and slider disc is slidably connected to the interior of sliding slot Portion is connected with connecting tube at the top of the slider disc, inlet opening, and the top of connecting tube is uniformly provided on the side wall of connecting tube The top and spiral extended at the top of perfusion tube is fixed with floating plug, and the floating plug is set as hemispherical dome structure, floats the bottom of plug Portion is connected with gasket, and the center for floating plug is equipped with through-hole, and the bottom end of the defoaming pipe extends in the through-hole of floating plug Portion.

Specifically, the bottom of the sealing cover marginal position be equipped with the mutually matched annular fixing groove of dropping funnel, and it is fixed The width of slot is equal with the thickness of dropping funnel side wall.

Specifically, all uniform on the outboard sidewalls at the top of the dropping funnel and on the lateral wall of fixing end upper seal lid It is equipped with and the mutually matched annular groove of seal snap ring equipped with seal snap ring, and in the fixing groove of sealing cover.

Specifically, the sealing cover outlet end and defoaming tube top portion spacing be 0.3~0.6mm, and sealing cover center Aperture is 2 times for defoaming pipe tubular tip internal diameter.

Specifically, the aperture of the floating plug through-hole is equal with the internal diameter of the outer diameter of defoaming pipe tubular tip and connecting tube, And the outer diameter of connecting tube is equal with the internal diameter of perfusion tube.

Specifically, the center of the outlet lid is respectively and fixedly provided with the ventilated membrane that blocks water, and the center of slider disc is respectively and fixedly provided with choke Water permeable membrane.

Specifically, the top of the connecting tube be equipped with external screw thread, and float plug bottom center through-hole outside be equipped with it is outer The mutually matched internal thread hole of screw thread.

Specifically, spacing is equal to the half of spacing between adjacent 2 inlet openings, and hair between adjacent 2 pores The aperture of pore is 0.8 times of inlet opening aperture.

3. beneficial effect

(1) present invention is managed by using sealing cover, dropping funnel and defoaming, is directly attached to the medical fluid of drippage and is disappeared Bubble is managed on the side wall at bucket-shaped end, and is fallen along the tubular tip of defoaming pipe, and medical fluid is avoided to connect in drip process with liquid level impact Touching generates bubble, to reduce the generation of bubble.

(2) present invention is by using anti-reflux mechanism, and after injecting medical fluid, floating plug is acted in natural buoyancy Float downward is on medical fluid surface, so that the floating plug to float pulls connecting tube and slider disc to rise inside sliding slot, i.e. pulling connects Adapter tube slides between perfusion tube and defoaming pipe, so that connecting tube and inlet opening are located inside dropping funnel in medical fluid, is convenient for Medical fluid by defoaming pipe tubular tip constant flow blocks inlet opening, to keep medical fluid height inside dropping funnel, maintains dropping funnel Internal pressure is further reduced the generation of bubble, and effectively maintains the use of device.

(3) present invention is uniformly provided with pore by using in defoaming pipe tubular tip, and inlet opening is arranged in connecting tube, Effectively to defoam medical fluid inside pipe and bubble surface tension in medical fluid is destroyed by pore, so that gas passes through in flowing Pore enters in inlet opening, and slowly enters dropping funnel building up inside, until Air Bubble Size floats to drop after reaching floating state It is crushed on bucket internal liquid level, to effectively eliminate bubble, avoids bubble by entering inside connecting tube perfusion tube, reduce bubble pair The damage of human body.

(4) present invention is residual in dropping funnel after effectively making defoaming pipe Chinese medicine liquid stream complete by using floating plug and gasket Remaining medical fluid is entered in connecting tube under gas pressure by inlet opening, is administered continuously, while making the residual gas in dead space capacity Bubble can be effectively isolated by the choke water permeable membrane in slider disc, further avoided bubble and entered in perfusion tube, and with liquid level Constantly decline, floating plug and connecting tube are also gradually reduced, until being filled in after connecting tube is completely into perfusion tube inside by floating The gasket of bottom seals perfusion tube, so that effectively medical fluid is sealed at slider disc, gas enters people after avoiding medical fluid from conveying Body avoids blood vessel backflow phenomenon caused by air pressure change, the safety of effective guarantee device.

To sum up, provided by the present invention a kind of with the infusion apparatus for steeping function of cooling down, it can effectively avoid medical fluid drippage and liquid Between face generate impact, reduce the generation of bubble, the bubble in medical fluid can be effectively eliminated, can effective automatic liquid-stopping, avoid medical fluid The phenomenon that air pressure change causes blood of human body to flow back in dropping funnel after having flowed, while apparatus structure is simple, convenient for solid between each component Fixed dismounting, leakproofness is good, and safety is good, and practicability is good, is suitble to promote.

Detailed description of the invention

Fig. 1 is infusion apparatus the schematic diagram of the section structure of the invention；

Fig. 2 is the schematic diagram of the section structure under infusion apparatus use state of the invention；

Fig. 3 is enlarged structure schematic diagram at A in Fig. 1 of the invention；

Fig. 4 is enlarged structure schematic diagram at B in Fig. 2 of the invention.

Appended drawing reference: 1, sealing cover；2, escape pipe；3, dropping funnel；4, floating plug；5, outlet tube；6, perfusion tube；7, fixed End；8, outlet lid；9, defoaming pipe；10, connecting tube；11, slider disc；12, sliding slot；13, fixed ring；14, connecting rod；15, capillary Hole；16, gasket；17, inlet opening.

Specific embodiment

Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts it is all its His embodiment, shall fall within the protection scope of the present invention.

Fig. 1-4 is please referred to, a kind of embodiment provided by the invention: a kind of with the infusion apparatus for steeping function of cooling down including close Capping 1, dropping funnel 3, perfusion tube 6, defoaming pipe 9 and anti-reflux mechanism, the top of dropping funnel 3 are connected with sealing cover 1, and sealing cover 1 is set as " towel " font structure, the bottom of 1 marginal position of sealing cover are equipped with and the mutually matched annular fixing groove of dropping funnel 3, and fixing groove Width it is equal with the thickness of 3 side wall of dropping funnel, it is each convenient for 3 inside of dropping funnel convenient for the fixed dismounting between sealing cover 1 and dropping funnel 3 The fixed disassembly of component uses convenient for the assembly of device, and is connected with fixing end 7 on the outside of 1 liquid feeding end of sealing cover, and dropping funnel 3 pushes up Seal snap ring, and sealing cover 1 are all uniformly provided on the outboard sidewalls in portion and on the lateral wall of 7 upper seal lid 1 of fixing end Fixing groove in be equipped with the mutually matched annular groove of seal snap ring, convenient for increasing sealing cover 1 and dropping funnel 3 by seal snap ring Between connectivity and leakproofness, avoid dropping funnel 3 tilt when inside medical fluid leak out, while be convenient for sealing cover 1 and top puncture Body is connected and fixed and seals, and convenient for the use of device, the one end at 7 lower section sealing cover of fixing end, 1 top is connected with escape pipe 2, And the top of escape pipe 2 is fixed with outlet lid 8, the outer sheath of 1 outlet end of sealing cover is equipped with fixed ring 13,13 lower section of fixed ring It is connected with defoaming pipe 9 by connecting rod 14, and defoams pipe 9 and is set as funnel-shaped structure, defoams and is uniformly set on the side wall of 9 tubular tip of pipe There is pore 15, the spacing at 9 top of 1 outlet end of sealing cover and defoaming pipe is 0.6mm, and the aperture in 1 center of sealing cover is to disappear 2 times of 9 tubular tip internal diameter of pipe are steeped, is directly attached on the side wall at the defoaming bucket-shaped end of pipe 9 convenient for the medical fluid of drippage, and along disappearing The tubular tip of bubble pipe 9 directly falls, and effectively medical fluid is avoided to generate bubble in drip process, effectively reduces the generation of bubble, drips The struggle against center of 3 bottoms is connected with outlet tube 5, and the inside of outlet tube 5 is connected with perfusion tube 6, and the top of perfusion tube 6 extends to The inside of dropping funnel 3, inner wall of the perfusion tube 6 close to 3 one end of dropping funnel are equipped with sliding slot 12, and anti-reflux mechanism is slidably connected to infusion The inside of pipe 6, and the top of anti-reflux mechanism extends to the inside of 6 top dropping funnel 3 of perfusion tube；

Anti-reflux mechanism includes floating plug 4, connecting tube 10 and slider disc 11, and slider disc 11 is slidably connected to sliding slot 12 Inside, the top of slider disc 11 is connected with connecting tube 10, and the center of outlet lid 8 is respectively and fixedly provided with the ventilated membrane that blocks water, and slider disc 11 center is respectively and fixedly provided with choke water permeable membrane, convenient for being effectively isolated the liquid into escape pipe 2 by the ventilated membrane that blocks water, so that Gas can maintain the air pressure of dropping funnel 3 by the ventilated membrane outflow that blocks water convenient for discharge excessive gas, while convenient for passing through choke Water permeable membrane is effectively isolated bubble remaining in connecting tube 10, and bubble is avoided to enter inside perfusion tube 6, so that bubble be avoided to enter Human body causes to damage to human body, effectively increases the safety that device uses, is uniformly provided with inlet opening on the side wall of connecting tube 10 17, spacing is equal to the half of spacing between adjacent 2 inlet openings 17, and the hole of pore 15 between adjacent 2 pores 15 Diameter is 0.8 times of 17 aperture of inlet opening, and the top of connecting tube 10 extends to the top at 6 top of perfusion tube and spiral is fixed with Floating plug 4, the outside that the top of connecting tube 10 is equipped with external screw thread, and floats 4 bottom center through-holes of plug are equipped with mutual with external screw thread The internal thread hole of cooperation dismounts convenient for floating plug 4 and the fixed of connecting tube 10, uses convenient for the assembly of device, and floating plug 4 is set For hemispherical dome structure, the bottom of floating plug 4 is connected with gasket 16, and the center for floating plug 4 is equipped with through-hole, defoams the bottom of pipe 9 End extends to inside the through-hole of floating plug 4, the aperture of floating 4 through-holes of plug and the outer diameter and connecting tube 10 of defoaming 9 tubular tip of pipe Internal diameter it is equal, and the outer diameter of connecting tube 10 is equal with the internal diameter of perfusion tube 6, makees convenient for floating plug 4 after fluid injection in natural buoyancy Medical fluid surface is swum under, is slided between perfusion tube 6 and defoaming pipe 9 convenient for 4 pulling connecting tube 10 of floating plug, is convenient for medicine The injection of liquid, while effectively making the medical fluid of drippage when defoaming 9 internal flow of pipe, remaining bubble passes through pore 15 Tension is destroyed, so that residual gas is entered in inlet opening 17 by pore 15, so that bubble be avoided to enter perfusion tube 6 It is internal.

Working principle: when installation, successively assembling completion for each component, and by sealing cover 1 and punctures after body is attached, It will puncture in body insertion medicinal liquid bottle, in use, dropping funnel 3 is squeezed first, so that the medical fluid in medicinal liquid bottle is under the action of negative pressure by close The outlet end of capping 1 flows into the inside of dropping funnel 3, and medical fluid is rapidly entered under the action of negative pressure in defoaming pipe 9 at this time, so that gas It is discharged by gap between 1 outlet end of sealing cover and defoaming pipe 9, so that part medical fluid is along the defoaming bucket-shaped end side wall stream of pipe 9 Enter to defoam the tubular tip of pipe 9, part medical fluid is overflowed by the bucket-shaped end extension of defoaming pipe 9, flows to floating plug 4 along defoaming 9 outer wall of pipe Top, and the bottom that 4 radians drop onto 6 outside dropping funnel 3 of perfusion tube is filled in along floating, until medical fluid rises to 3 height of dropping funnel Stop squeezing after half, residual gas pressure is discharged by escape pipe 2 at this time, so that the medical fluid of 1 outlet end of sealing cover drippage restores Normal drippage state, and the medical fluid dripped is directly attached on the side wall at the defoaming bucket-shaped end of pipe 9, and along the tubulose of defoaming pipe 9 End falls, and effectively avoids medical fluid from contacting in drip process with liquid level and generates bubble, effectively reduces the generation of bubble, and floats Plug 4 acts on float downward on medical fluid surface in natural buoyancy, therefore floats plug 4 and will pull connecting tube 10 and sliding when floating Disk 11 rises inside sliding slot 12, i.e., pulling connecting tube 10 perfusion tube 6 and defoaming pipe 9 between slide so that connecting tube 10 with And inlet opening 17 is located in 3 inside medical fluid of dropping funnel, and the medical fluid persistently dripped is effective along meeting when 9 tubular tip of pipe falls is defoamed Inlet opening 17 is blocked, to keep 3 inside medical fluid height of dropping funnel, maintains 3 internal pressure of dropping funnel, while the medical fluid dripped is disappearing When steeping 9 internal flow of pipe, remaining bubble can be destroyed effectively by the tension of pore 15, so that residual gas passes through Pore 15 enters in inlet opening 17, and slowly enters 3 building up inside of dropping funnel, until Air Bubble Size floats after reaching floating state It floats on 3 internal liquid level of dropping funnel and is crushed, to effectively eliminate bubble, avoid bubble from entering inside perfusion tube 6, when in medicinal liquid bottle After medical fluid stream is complete, defoam in pipe 9 when not refilling medical fluid, in dropping funnel 3 dead space capacity under gas pressure by inlet opening 17 into Enter in connecting tube 10, the residual bubbles in dead space capacity can be effectively by the choke water permeable membrane isolation in slider disc 11, further Bubble is avoided to enter in perfusion tube 6, and with the continuous decline of liquid level, floating plug 4 and connecting tube 10 are also gradually reduced, until After connecting tube 10 is completely into 6 inside of perfusion tube, perfusion tube 6 is sealed by the gasket 16 of 4 bottoms of floating plug, effectively by medicine Liquid is sealed at slider disc 11, and gas enters human body after avoiding medical fluid from conveying, and blood vessel caused by air pressure change is avoided to flow back Phenomenon, the safety of effective guarantee device.

Those of ordinary skill in the art it should be appreciated that more than embodiment be intended merely to illustrate the present invention, And be not used as limitation of the invention, as long as the change in spirit of the invention, to embodiment described above Change, modification will all be fallen in scope of the presently claimed invention.

Claims

1. a kind of with the infusion apparatus for steeping function of cooling down, including sealing cover (1), dropping funnel (3), perfusion tube (6), defoaming pipe (9) and Anti-reflux mechanism, it is characterised in that: be connected with sealing cover (1) at the top of the dropping funnel (3), sealing cover (1) is set as " towel " font Structure, and be connected with fixing end (7) on the outside of sealing cover (1) liquid feeding end, below the fixing end (7) at the top of sealing cover (1) One end is connected with escape pipe (2), and outlet lid (8) are fixed at the top of escape pipe (2), outside sealing cover (1) outlet end Side is set with fixed ring (13), is connected with defoaming pipe (9) by connecting rod (14) below fixed ring (13), and is defoamed pipe (9) and be set as Funnel-shaped structure is defoamed and is uniformly provided with pore (15) on the side wall of pipe (9) tubular tip, and the center of dropping funnel (3) bottom is even It is connected to outlet tube (5), the inside of outlet tube (5) is connected with perfusion tube (6), and dropping funnel (3) is extended at the top of perfusion tube (6) Inside, inner wall of the perfusion tube (6) close to dropping funnel (3) one end are equipped with sliding slot (12), and the anti-reflux mechanism is slidably connected to defeated The inside of liquid pipe (6), and the top of anti-reflux mechanism extends to the inside of dropping funnel (3) above perfusion tube (6)；

The anti-reflux mechanism includes floating plug (4), connecting tube (10) and slider disc (11), and slider disc (11) is slidably connected to The inside of sliding slot (12) is connected with connecting tube (10) at the top of the slider disc (11), uniformly sets on the side wall of connecting tube (10) Have inlet opening (17), and the top extended at the top of perfusion tube (6) at the top of connecting tube (10) and spiral are fixed with floating plug (4), the floating plug (4) is set as hemispherical dome structure, and the bottom of floating plug (4) is connected with gasket (16), and floats plug (4) Center is equipped with through-hole, and the bottom end of the defoaming pipe (9) extends to inside the through-hole of floating plug (4).

2. according to claim 1 a kind of with the infusion apparatus for steeping function of cooling down, which is characterized in that the sealing cover (1) The bottom of marginal position is equipped with and dropping funnel (3) mutually matched annular fixing groove, and the width of fixing groove and dropping funnel (3) side wall Thickness is equal.

3. according to claim 2 a kind of with the infusion apparatus for steeping function of cooling down, which is characterized in that dropping funnel (3) top Seal snap ring, and sealing cover are all uniformly provided on the outboard sidewalls in portion and on the lateral wall of fixing end (7) upper seal lid (1) (1) it is equipped with and the mutually matched annular groove of seal snap ring in fixing groove.

4. according to claim 1 a kind of with the infusion apparatus for steeping function of cooling down, which is characterized in that the sealing cover (1) Spacing at the top of outlet end and defoaming pipe (9) is 0.3~0.6mm, and the aperture in sealing cover (1) center is defoaming pipe (9) tubulose 2 times for holding internal diameter.

5. according to claim 1 a kind of with the infusion apparatus for steeping function of cooling down, which is characterized in that (4) are filled in the floating The aperture of through-hole is equal with the internal diameter of the outer diameter of defoaming pipe (9) tubular tip and connecting tube (10), and the outer diameter of connecting tube (10) It is equal with the internal diameter of perfusion tube (6).

6. according to claim 1 a kind of with the infusion apparatus for steeping function of cooling down, which is characterized in that the outlet lid (8) Center be respectively and fixedly provided with the ventilated membrane that blocks water, and the center of slider disc (11) is respectively and fixedly provided with choke water permeable membrane.

7. according to claim 1 a kind of with the infusion apparatus for steeping function of cooling down, which is characterized in that the connecting tube (10) Top be equipped with external screw thread, and float plug (4) bottom center through-hole outside be equipped with and the mutually matched internal thread hole of external screw thread.

8. according to claim 1 a kind of with the infusion apparatus for steeping function of cooling down, which is characterized in that adjacent 2 hairs Spacing is equal to the half of spacing between adjacent 2 inlet openings (17) between pore (15), and the aperture of pore (15) is feed liquor 0.8 times of hole (17) aperture.