CN106110448A - Convenient can recover only liquid structure and the transfusion device used - Google Patents
Convenient can recover only liquid structure and the transfusion device used Download PDFInfo
- Publication number
- CN106110448A CN106110448A CN201610642992.7A CN201610642992A CN106110448A CN 106110448 A CN106110448 A CN 106110448A CN 201610642992 A CN201610642992 A CN 201610642992A CN 106110448 A CN106110448 A CN 106110448A
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- Prior art keywords
- liquid
- reservoir
- convenient
- chamber
- recover
- 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.)
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- 239000007788 liquid Substances 0.000 title claims abstract description 133
- 238000007789 sealing Methods 0.000 claims description 12
- 239000003566 sealing material Substances 0.000 claims description 4
- 239000002775 capsule Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 10
- 238000001802 infusion Methods 0.000 description 8
- 238000011084 recovery Methods 0.000 description 8
- 239000000463 material Substances 0.000 description 7
- 208000027418 Wounds and injury Diseases 0.000 description 5
- 230000033228 biological regulation Effects 0.000 description 5
- 230000006378 damage Effects 0.000 description 5
- 238000013461 design Methods 0.000 description 4
- 239000012530 fluid Substances 0.000 description 4
- 208000014674 injury Diseases 0.000 description 4
- 238000007667 floating Methods 0.000 description 3
- 230000035939 shock Effects 0.000 description 3
- 239000013536 elastomeric material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 206010011409 Cross infection Diseases 0.000 description 1
- 206010029803 Nosocomial infection Diseases 0.000 description 1
- 238000013475 authorization Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001990 intravenous administration Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000003340 mental effect Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/168—Means for controlling media flow to the body or for metering media to the body, e.g. drip meters, counters ; Monitoring media flow to the body
- A61M5/16804—Flow controllers
- A61M5/16813—Flow controllers by controlling the degree of opening of the flow line
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/168—Means for controlling media flow to the body or for metering media to the body, e.g. drip meters, counters ; Monitoring media flow to the body
- A61M5/16877—Adjusting flow; Devices for setting a flow rate
- A61M5/16881—Regulating valves
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/36—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests with means for eliminating or preventing injection or infusion of air into body
- A61M5/40—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests with means for eliminating or preventing injection or infusion of air into body using low-level float-valve to cut off media flow from reservoir
Landscapes
- Health & Medical Sciences (AREA)
- Hematology (AREA)
- General Health & Medical Sciences (AREA)
- Vascular Medicine (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Veterinary Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- Public Health (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Emergency Medicine (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The invention belongs to medical instruments field, it is specifically related to a kind of only liquid structure convenient can recovered and use, including chamber, reservoir and orifice union, the liquid outlet of chamber connects with the inlet opening of reservoir, it is provided with in chamber and automatically controls the only liquid that its liquid outlet opens and closes, reservoir is cavity utricule, under external force, cavity volume in reservoir changes, after external force eliminates, reservoir recovers automatically to original state, and the tube for transfusion below the bottom liquid outlet of reservoir or reservoir is installed orifice union.The invention still further relates to the transfusion device with above-mentioned only liquid structure.Both can have been reached automatic liquid-stopping effect by the present invention, and liquid status can have been stopped, recover normal use by Rapid reversal as required again, simple and convenient, safe and convenient to use, be conducive to the treatment to clinical patients.
Description
Technical field
The present invention relates to a kind of only liquid structure and transfusion device that convenient can recover and use, belong to medical instruments field.
Background technology
At present, when hospital carries out venous transfusion or blood transfusion to clinical patients, it is common to use disposable transfusion device, so,
Useful effect is served to preventing the cross infection between patient.But, use this disposable transfusion device to there is also not
In place of foot, i.e. use disposable transfusion device after liquid infusion-completed, because transfusion device does not has automatic hold function, liquid will be changed in time
Body bottle (bag) or pull out transfusion needle, this problem can bring greatly workload and mental pressure to medical personnel, once there being carelessness
Air can be caused to enter into situation in the patient by transfusion catheter, aeroembolism can be formed time serious, bring greatly to patient
Potential safety hazard, is also unfavorable for the maintenance of doctor-patient relationship.
For problem above, have developed many float valve classes in recent years on market and stop liquid delivery device, such as patent name
It is the Chinese patent of CN204181948U for " there is the intravenous transfusion device of precision transfusion regulator ", Authorization Notice No., devises
Drip floating plug in kettle, for stopping liquid by floating plug after transfusion terminates, prevent liquid stream empty so that gas enters in the patient, but this
Kind of design excessively idealizes, and leads stopper rod long (a length of 5cm) below floating plug, and not only processing assembles and produces difficulty, Er Qieshe
Only insert after liquid when timing does not takes into account actually used pipeline cross deep after in its faying face surface tension of liquid cause stick resistance
Power and pipeline deform and lead the friction effects that stopper rod mutually extrudes, and the two can be caused to be separated from each other smoothly, and impact continues
Continuous use.
Therefore, while solving problem above, (adjust according to clinic it is contemplated that release operation when stopping liquid status
Grind, generally use extruding, be wound around some parts of transfusion device) may be to being brought pain uncomfortable by transfusion person or bulge etc. at puncture
Harm, and avoid as far as possible.
Summary of the invention
The technical problem to be solved in the present invention is: overcome deficiency of the prior art, it is provided that can be convenient after only liquid
Ground releases and stops liquid status, returns to normal condition and other uncomfortable (such as pain etc.) or injury will be caused to stop liquid to by transfusion person
Structure；Provide simultaneously and there is this transfusion device stopping liquid structure.
The only liquid structure that can convenient recover to use of the present invention, including chamber, reservoir and orifice union, chamber
Liquid outlet connects with the inlet opening of reservoir, is provided with and automatically controls the only liquid that its liquid outlet opens and closes in chamber, and reservoir is empty
Chamber utricule, under external force, the cavity volume in reservoir changes, and after external force eliminates, reservoir recovers automatically to just
Beginning state, the tube for transfusion below the bottom liquid outlet of reservoir or reservoir is installed orifice union.
Reservoir in the present invention can be the cavity utricule with certain elasticity using elastomeric material to make, this cavity
Utricule both can be the utricule that homogeneous material is made, it is also possible to the assembly being made up of two or more material, if energy
After enough realizing reservoir internal cavities stereomutation under external force, external force elimination, reservoir restPoses.This
Sample, after only the liquid outlet of chamber is automatically switched off by liquid, (i.e. allows the liquid in chamber continue from going out if wanting to disable only liquid function
Liquid mouth flows out), only need to be flowed downwards by the liquid that orifice union blocks in reservoir, then extrude reservoir, make in advance
The liquid being stored in reservoir is up, makes only liquid up under the effect of liquid, releases only liquid status, opens throttling afterwards
Assembly, can normally use by fast quick-recovery, simple and convenient.In addition, in only liquid structure, owing to liquid is in more
Under the state closed, thus without introducing other polluter, safe and convenient to use.
Preferably, pipeline connection is passed through between liquid outlet and the inlet opening of reservoir of described chamber.It is of course also possible to
Directly it is connected fixing with the outer wall of chamber for reservoir, and guarantees that the liquid outlet of chamber is the most corresponding with the inlet opening of reservoir,
The liquid in chamber is enable to enter in reservoir.
Preferably, described only liquid is the float valve lifted with the liquid level height in chamber, and this float valve can use list
The density of one material is made less than the material of chamber indoor liquid, it would however also be possible to employ two or more different combination of materials system
Become, but the average density of float valve for preparing of different materials have to be lower than the density of chamber indoor liquid.
In order to ensure the only liquid effect of only liquid, the invention provides following several preferred version:
Scheme one: only liquid uses flexible sealing material to make, and only match with the liquid outlet of chamber in the bottom of liquid.
Scheme two: only the bottom of liquid is provided with the sealing surface that the liquid outlet with chamber matches, sealing surface uses flexible close
Closure material is made.
Scheme three: the position that chamber inner bottom part coordinates with only liquid is bright and clean region.
When reality is applied, scheme one and scheme three can be combined, it is also possible to scheme two and scheme three are combined, only makes
Liquid is preferably fitted with chamber inner bottom part, thus seals liquid, to reach preferably to stop liquid effect.
The form of the orifice union in the present invention has following multiple:
Orifice union can be on and off switch, and this on and off switch has connection and disconnects two gears, when being adjusted to disconnect gear
Time, it is possible to block liquid and run downwards；
Orifice union can be flow control valve, and this flow control valve can be straight from design maximum continuous flow regulation
To minimum discharge 0, when flow control valve is adjusted to minimum discharge, liquid stops flowing, thus blocks liquid and run downwards；
Orifice union can also is that the valve of a control flow rate of liquid, and the periphery of valve is fixed on the transfusion below reservoir
In pipe, the osculum above valve is towards reservoir, and when extruding reservoir, the liquid in reservoir runs downwards and can produce wink
Between bigger hydraulic pressure, valve is extruded conjunction and closes, thus prevent liquid from running downwards, to reach to block the effect that liquid runs downwards
Really.
Present invention also offers the transfusion device with the above-mentioned only liquid structure convenient can recovered and use, in this transfusion device,
Chamber is equivalent to the dropping funnel of traditional infusion device.
The present invention is compared with prior art had the beneficial effect that
Present configuration design is ingenious rationally, can be automatically switched off by the liquid outlet of chamber by only liquid, reach only liquid
Effect, need to disable only liquid function time, only need to be flowed downwards by the liquid that orifice union blocks in reservoir, then extrude
Reservoir, makes the liquid having previously been stored in reservoir up, by only liquid jack-up, can be connected with reservoir by chamber, from
And release only liquid status, and open orifice union afterwards, can normally use by fast quick-recovery, simple and convenient, use secure side
Just, the treatment to clinical patients is conducive to.
Accompanying drawing explanation
Fig. 1 is the structural representation of transfusion device in the embodiment of the present invention 1；
Fig. 2 is the structural representation of transfusion device in the embodiment of the present invention 2；
Fig. 3 is the structural representation of transfusion device in the embodiment of the present invention 3.
In figure: 1, dropping funnel wall；2, base；3, float valve；4, soft sealing film；5, reservoir；6, tube for transfusion；7, adjusting bracket；
8, on and off switch；9, valve.
Detailed description of the invention
Below in conjunction with the accompanying drawings embodiments of the invention are described further:
Embodiment 1:
As it is shown in figure 1, have the only liquid structure that convenient can recover to use on transfusion device, only liquid structure chamber, storage should be included
Liquid capsule 5 and orifice union, chamber is the dropping funnel in transfusion device, and it is combined (i.e. conventional dropping funnel by dropping funnel wall 1 and base 2
The structure used), it is provided with in dropping funnel and automatically controls the only liquid that its liquid outlet opens and closes, only liquid uses float valve 3, the end of float valve 3
Portion is provided with the sealing surface that the liquid outlet with dropping funnel matches, and this sealing surface is that (it uses flexible sealing material system to soft sealing film 4
Become), the liquid outlet of dropping funnel is connected with the inlet opening of reservoir 5 below by pipeline, and reservoir 5 is made up of elastomeric material
Cavity utricule, on the tube for transfusion 6 below reservoir 5 install orifice union, orifice union use flow control valve, this flow
Regulation switch can be from design maximum continuous flow regulation until minimum discharge 0, and the flow control valve in the present embodiment is direct
Using the adjusting bracket 7 used in current transfusion device, when adjusting bracket 7 is adjusted to minimum discharge 0, liquid stops flowing, thus blocks
Liquid runs downwards.
During use, when liquid enters the dropping funnel of dropping funnel wall 1 and base 2 composition, float valve 3 drives the flexible sealing bottom it
Film 4 floats together, and liquid is flowed downward out by the liquid outlet on dropping funnel base 2；After liquid infusion-completed, float valve 3 and soft
Property diaphragm seal 4 with in dropping funnel liquid level decline and automatically fall, the flexible sealing when on the base 2 dropping down onto dropping funnel, bottom float valve 3
The liquid outlet of dropping funnel is sealed by film 4, it is achieved automatic liquid-stopping；When needs disable only liquid function, recovery transfusion, turn adjusting bracket 7 down
Flow is until 0, it is to avoid the hydraulic shock discomfort to being caused by transfusion person or injury, pinching reservoir 5, extruding has previously been stored in it
In liquid, because adjusting bracket 7 is turned off, has blocked liquid and run downwards, therefore liquid is forced up, by float valve 3 and flexibility
Diaphragm seal 4 jack-up, makes dropping funnel connect with reservoir 5, now, readjusts adjusting bracket 7 aperture to required infusion velocity, transfusion device
Internal fluid passage all connects, so that whole transfusion device fast quick-recovery infusion state.
Embodiment 2:
As in figure 2 it is shown, also have the only liquid structure that convenient can recover to use on transfusion device, its basic structure is all and embodiment
1 is identical, and difference is to be additionally arranged an on and off switch 8, and this on and off switch 8 is arranged on the tube for transfusion 6 below reservoir 5,
Its next-door neighbour's reservoir 5 (i.e. on and off switch 8 is arranged on the tube for transfusion 6 between reservoir 5 and adjusting bracket 7), is communicated with and breaks
Opening two gears, be used for blocking liquid and run downwards, the most in the present embodiment, on and off switch 8 is only and plays throttling action
Orifice union, the effect of adjusting bracket 7 also there occurs change, and it is mainly used in the infusion velocity during regulation normal infusion.
The transfusion of this transfusion device and the operation principle process of automatic liquid-stopping are same as in Example 1, the most do not remake repetition
Describe.When needs disable only liquid function, recovery transfusion, it is adjusted on and off switch 8 disconnect gear, it is to avoid hydraulic shock is to defeated
Discomfort that liquid person causes or injury, pinching reservoir 5, extruding has previously been stored in liquid therein, because of on and off switch 8 be turned off,
Having blocked liquid to run downwards, therefore liquid is forced up, by float valve 3 and soft sealing film 4 jack-up, makes dropping funnel and reservoir
5 connections, now, are adjusted on and off switch 8 connect gear, and the fluid passage within transfusion device all connects, so that whole defeated
Liquid device fast quick-recovery infusion state.
Embodiment 3:
As it is shown on figure 3, the most also have the only liquid structure that convenient can recover to use on transfusion device, its basic structure also with reality
Executing example 1 identical, difference is in the tube for transfusion 6 below reservoir 5 to install the valve 9 of a control flow rate of liquid, and it is tight
Adjacent reservoir 5 (i.e. valve 9 is arranged in the tube for transfusion 6 between reservoir 5 and adjusting bracket 7), the periphery of valve 9 is fixed on transfusion
On the inwall of pipe 6, the osculum above valve 9 is towards the reservoir 5 above it, when moment bigger hydraulic pressure occurs from top to bottom,
Valve 9 can close in squeezed pressing, thus reaches to block the effect that liquid runs downwards, and the most in the present embodiment, valve 9 has been only
To the orifice union of throttling action, adjusting bracket 7 is mainly used in the infusion velocity during regulation normal infusion.
The transfusion of this transfusion device and the operation principle process of automatic liquid-stopping are the most same as in Example 1, the most do not remake weight
Multiple description.When needs disable only liquid function, recovery transfusion, quick pinching reservoir 5, extruding has previously been stored in liquid therein
Body, this operation forms moment bigger hydraulic pressure in making the tube for transfusion 6 between reservoir 5 and valve 9, makes the squeezed pressing of valve 9 close,
Block liquid to run downwards, it is to avoid the hydraulic shock discomfort to being caused by transfusion person or injury, liquid is forced up, by float valve 3
And soft sealing film 4 jack-up, make dropping funnel connect with reservoir 5, now, the fluid passage connection of valve 9 above section, unclamp
Reservoir 5, valve 9 reopens, and the fluid passage within transfusion device all connects, so that the fast quick-recovery of whole transfusion device is defeated
Note state.
Claims (10)
1. one kind convenient can be recovered the only liquid structure used, it is characterised in that: include chamber, reservoir (5) and orifice union, chamber
The liquid outlet of room connects with the inlet opening of reservoir (5), is provided with and automatically controls only liquid, the liquid storage that its liquid outlet opens and closes in chamber
Capsule (5) is cavity utricule, and under external force, the cavity volume in reservoir (5) changes, after external force eliminates, and reservoir
(5) automatically recovering to original state, the tube for transfusion (6) of the bottom liquid outlet of reservoir (5) or reservoir (5) lower section is upper to be installed
Orifice union.
The only liquid structure that can convenient recover to use the most according to claim 1, it is characterised in that: described chamber go out liquid
Pipeline connection is passed through between mouth and the inlet opening of reservoir (5).
The only liquid structure that can convenient recover to use the most according to claim 1, it is characterised in that: described only liquid be with
The float valve (3) that liquid level in chamber just lifts.
The only liquid structure that can convenient recover to use the most according to claim 1, it is characterised in that: described only liquid uses
Flexible sealing material is made, and only match with the liquid outlet of chamber in the bottom of liquid.
The only liquid structure that can convenient recover to use the most according to claim 1, it is characterised in that: the end of described only liquid
Portion is provided with the sealing surface that the liquid outlet with chamber matches, and sealing surface uses flexible sealing material to make.
6. according to the described only liquid structure that can convenient recover to use arbitrary in Claims 1 to 5, it is characterised in that: in chamber
The position that bottom coordinates with only liquid is bright and clean region.
7. according to the described only liquid structure that can convenient recover to use arbitrary in Claims 1 to 5, it is characterised in that: described
Orifice union is an on and off switch (8).
8. according to the described only liquid structure that can convenient recover to use arbitrary in Claims 1 to 5, it is characterised in that: described
Orifice union is a flow control valve.
9. according to the described only liquid structure that can convenient recover to use arbitrary in Claims 1 to 5, it is characterised in that: described
Orifice union is the valve (9) of a control flow rate of liquid, and the periphery of valve (9) is fixed on the tube for transfusion (6) of reservoir (5) lower section
In, the osculum of valve (9) top is towards reservoir (5).
10. one kind has the transfusion device of arbitrary described only liquid structure that can convenient recover to use in claim 1～9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610642992.7A CN106110448A (en) | 2016-08-06 | 2016-08-06 | Convenient can recover only liquid structure and the transfusion device used |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610642992.7A CN106110448A (en) | 2016-08-06 | 2016-08-06 | Convenient can recover only liquid structure and the transfusion device used |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106110448A true CN106110448A (en) | 2016-11-16 |
Family
ID=57257346
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610642992.7A Withdrawn CN106110448A (en) | 2016-08-06 | 2016-08-06 | Convenient can recover only liquid structure and the transfusion device used |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106110448A (en) |
-
2016
- 2016-08-06 CN CN201610642992.7A patent/CN106110448A/en not_active Withdrawn
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20161116 |
|
| WW01 | Invention patent application withdrawn after publication |