CN111617344A - Active infusion apparatus - Google Patents
Active infusion apparatus Download PDFInfo
- Publication number
- CN111617344A CN111617344A CN202010625692.4A CN202010625692A CN111617344A CN 111617344 A CN111617344 A CN 111617344A CN 202010625692 A CN202010625692 A CN 202010625692A CN 111617344 A CN111617344 A CN 111617344A
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- China
- Prior art keywords
- infusion
- air
- bag
- air bag
- shell
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- 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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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
- A61M5/142—Pressure infusion, e.g. using pumps
- A61M5/145—Pressure infusion, e.g. using pumps using pressurised reservoirs, e.g. pressurised by means of pistons
- A61M5/148—Pressure infusion, e.g. using pumps using pressurised reservoirs, e.g. pressurised by means of pistons flexible, e.g. independent bags
-
- 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
- A61M5/142—Pressure infusion, e.g. using pumps
- A61M5/145—Pressure infusion, e.g. using pumps using pressurised reservoirs, e.g. pressurised by means of pistons
- A61M5/148—Pressure infusion, e.g. using pumps using pressurised reservoirs, e.g. pressurised by means of pistons flexible, e.g. independent bags
- A61M5/1483—Pressure infusion, e.g. using pumps using pressurised reservoirs, e.g. pressurised by means of pistons flexible, e.g. independent bags using flexible bags externally pressurised by fluid pressure
-
- 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
- A61M5/142—Pressure infusion, e.g. using pumps
- A61M2005/14208—Pressure infusion, e.g. using pumps with a programmable infusion control system, characterised by the infusion program
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- Health & Medical Sciences (AREA)
- Vascular Medicine (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Hematology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
An active infusion set, comprising: the infusion bag comprises a shell, an air adding device and an air bag, wherein an infusion space is arranged on the shell, the air bag and an infusion bag are arranged in the infusion space, the wall surface of the air bag, which is far away from the infusion bag, is attached to the wall surface of the shell, which is positioned in the infusion space, a movable door is arranged on one end surface of the infusion space, a fixing hole is also arranged on the shell, an infusion nozzle of the infusion bag penetrates out of the fixing hole and is exposed outside, the air adding device is used for adding air to the air bag, and the air bag extrudes the infusion bag to enable liquid. The infusion bag thoroughly changes the traditional infusion mode that the pressure difference is formed by hanging the infusion bag so as to realize infusion, and infusion personnel can do other work while infusing, thereby not only being used in hospitals, but also being used for emergency treatment and outdoors; the infusion apparatus can be used repeatedly, only the infusion bag needs to be replaced during each infusion, the air bag is completely isolated from the infusion bag, and the liquid medicine in the infusion bag cannot be influenced.
Description
Technical Field
The invention belongs to an active infusion apparatus, and particularly relates to a suspension-free infusion apparatus.
Background
In infusion, an infusion bag or an infusion bottle is usually required to be suspended, and infusion is realized by dripping liquid medicine through pressure difference. Since there are fewer and fewer infusion bottles, infusion bags are mainly used, and therefore, only infusion by infusion bags is considered below.
During infusion, the infusion bag is hung upside down on the infusion stand column and is connected with the drip cup through the conduit, and the drip cup inputs the liquid medicine into a human body through the infusion needle.
However, in practical applications, such as field emergency, there is no condition for creating an infusion environment, and it is difficult to suspend the infusion bag, but the patient needs to infuse, so it is necessary to find an infusion apparatus capable of implementing infusion without suspending.
Disclosure of Invention
The purpose of the invention is: provides an infusion apparatus which can realize infusion without hanging.
The technical scheme of the invention is as follows: an active infusion apparatus comprises a shell 1, an air adding device and an air bag 2, wherein an infusion space is arranged on the shell, the air bag 2 and an infusion bag 3 are arranged in the infusion space, a movable door is arranged on the infusion space, the movable door is opened to access the infusion bag, a fixing hole is further formed in the shell, and an infusion nozzle of the infusion bag penetrates out of the fixing hole and is exposed outside; the air-entrapping device inflates the air bag, the air bag extrudes the infusion bag, and the liquid medicine in the infusion bag flows into the human body along the infusion needle to realize infusion.
After infusion is completed, the infusion needle is pulled out, the movable door is opened to take out the infusion bag, the air outlet end on the air bag is opened to release air so as to put an infusion bag into the infusion space, and then the air is added into the air bag through the air adding device to extrude the infusion bag to realize infusion.
The air-entrapping device comprises an air-entrapping pump 4, an air tank 5 and a balance valve 6, wherein the air-out end of the air-entrapping pump is communicated with the air-entrapping end of the air tank, the air-entrapping end of the air tank is connected with the air-entrapping end of the air bag through the balance valve, the air-entrapping pump presses air into the air tank, and the air flows into the air bag from the air tank through the balance valve according to the preset setting to enable the air bag to expand and extrude the infusion bag.
The air bag further comprises a normally closed electromagnetic valve 7 and an exhaust pump 8, and the air outlet end of the air bag is connected with the exhaust pump through the normally closed electromagnetic valve.
An adjusting knob of the balance valve is exposed outside through the shell so as to be convenient to adjust.
A pressure switch 51 is also provided on the gas tank 5.
A moisture separator 9 is provided between the intake pump and the gas tank.
The shell is also internally provided with a controller 11, the air inlet pump, the pressure switch, the normally closed electromagnetic valve and the exhaust pump are connected with the controller through leads, and the controller adopts a programmable chip.
The air bag can cover the main body of the infusion bag except the infusion nozzle, is a bag-shaped body made of airtight and soft material, is restricted by the infusion space after being inflated, and can only expand towards the direction of the infusion bag.
The air bag is fixed on the shell through the air inlet end and the air outlet end on the air bag, and the wall surface of the air bag far away from the infusion bag is fixed on the wall surface of the infusion space, so that the air bag can only expand towards the infusion bag after being inflated.
Advantageous effects
1. The balance valve slowly inflates the air bag at a constant speed, the air bag expands outwards to squeeze the infusion bag, so that liquid medicine in the infusion bag uniformly enters a human body from an infusion needle to realize infusion, the traditional infusion mode that the existing infusion bag is hung to form pressure difference so as to realize infusion is thoroughly changed, infusion personnel can do things which the infusion personnel want while infusing, and the balance valve can be used for hospitals, first aid and outdoors;
2. the active infusion apparatus can be used repeatedly, only the infusion bag needs to be replaced during each infusion, and the air bag is completely isolated from the infusion bag, so that the liquid medicine in the infusion bag is not influenced;
3. the air bag is exhausted after the infusion is finished, and the air bag does not need to be completely emptied, so long as a new infusion bag to be used can be placed into the infusion space, the difficulty of exhausting is reduced, and the use efficiency is improved.
Drawings
FIG. 1 is a schematic perspective view of an embodiment of the present invention;
FIG. 2 is a schematic perspective view of another embodiment of the present invention;
FIG. 3 is a schematic partial burst view of FIG. 2;
FIG. 4 is a partial schematic view of FIG. 3;
FIG. 5 is a schematic view of a partial explosion of the present invention;
fig. 6 is a schematic partial perspective view of the charger of the present invention without including the charger;
fig. 7 is a schematic view of fig. 6 without the infusion bag;
FIG. 8 is a schematic view of a bladder;
fig. 9 is a schematic view of a normally closed solenoid valve.
Detailed Description
As shown in fig. 1 to 9, an active infusion apparatus, hereinafter referred to as an infusion apparatus, includes a housing 1, an air-entrapping device and an air bag 2, wherein an infusion space is provided on the housing, the air bag 2 and an infusion bag 3 are disposed in the infusion space, a wall surface of the air bag away from the infusion bag is attached to a wall surface of the housing located in the infusion space, a movable door is provided on an end surface of the infusion space, the movable door is opened to access the infusion bag, a fixing hole is further provided on the housing, and an infusion nozzle of the infusion bag penetrates out of the fixing hole to be exposed outside; the air-entrapping device inflates the air bag, the air bag extrudes the infusion bag, and the liquid medicine in the infusion bag flows into the human body along the infusion needle to realize infusion.
For convenient observation, the infusion space can be arranged outside the shell, and an observation hole is reserved in the infusion space to see the air bag and/or the infusion bag.
The air bag is provided with an air inlet end and an air outlet end.
After the transfusion is finished, the transfusion needle is pulled down, and the movable door is opened to take out the transfusion bag. The air outlet end on the air bag is opened to discharge air, the air bag is squeezed by hands to help discharge air so that an infusion bag can be put into the infusion space, and then the air is added into the air bag through the air adding device to squeeze the infusion bag to realize infusion. In practical application, the air in the air bag does not need to be completely squeezed out, and only an infusion bag ready for use needs to be continuously put into the infusion space.
The air-entrapping device has multiple arrangement modes, preferably selects an air pump, and can easily inflate the air bag through the air pump.
Another preferred scheme of the air-entrapping device is a high-pressure air source, a balance valve is arranged at an outlet of the high-pressure air source, and the balance valve is opened, so that air in the high-pressure air source can be gradually inflated into the air bag according to a preset amount, and the infusion bag is extruded to actually infuse.
The air-entrapping device also has a preferable scheme, and comprises an air-intake pump 4, an air tank 5 and a balance valve 6, wherein the air-out end of the air-intake pump is communicated with the air-intake end of the air tank, the air-out end of the air tank is connected with the air-intake end of the air bag through the balance valve, the air-intake pump presses air into the air tank, and then the air uniformly flows into the air bag through the balance valve according to the preset setting so that the air bag expands to extrude the infusion bag to realize infusion.
For better exhaust, the air bag further comprises a normally closed electromagnetic valve 7 and an exhaust pump 8, the air outlet end of the air bag is connected with the exhaust pump through the normally closed electromagnetic valve, after infusion is completed, the normally closed electromagnetic valve and the exhaust pump are opened, and air in the air bag is exhausted through the exhaust pump.
When in transfusion, one end of the transfusion needle is pricked into the transfusion nozzle, and the other end is pricked into the human body to realize transfusion. An adjusting knob of the balance valve is exposed outside through the shell so as to be convenient to adjust.
The gas tank 5 is also provided with a pressure switch 51, the pressure switch returns the pressure value in the gas tank to the controller, and the controller judges whether to start the gas inlet pump to fill gas into the gas tank according to the value returned by the pressure switch. The gas tank is provided with three interfaces connected with the outside, one interface of the gas tank is connected with the gas inlet pump, the other interface of the gas tank is connected with the balance valve, and the third interface of the gas tank is connected with the pressure switch.
A water-gas separator 9 is arranged between the air inlet pump and the air tank, a filter element of the water-gas separator is made of PC materials, and water in the air is removed by a coalescence dehydration method.
The normally closed electromagnetic valve is connected with the exhaust pump through the adapter and the pipeline, when the exhaust pump works, air in the air bag is pumped out, most of gas in the air bag is exhausted, and therefore an infusion bag can be placed in the infusion bag space beside the air bag.
The shell is also internally provided with a controller 11, and the air inlet pump, the pressure switch, the normally closed electromagnetic valve and the exhaust pump are connected with the controller through leads.
The controller is a programmable chip.
The balance valve is manually adjusted, a miniature pressure reducing valve is selected, and the air output of the balance valve can be manually controlled, so that the size of air entering the air bag from the air tank is controlled.
An air inlet and an air outlet are respectively arranged on two sides of the shell, the air inlet pump is arranged close to the air inlet, and when the air inlet pump works, air is sucked by the air inlet pump and enters the air tank after passing through the water-gas separator.
The air bag can cover the main body of the infusion bag except the infusion nozzle, the air bag is a bag-shaped body made of airtight and soft materials such as plastics, and the air bag is not easy to deform and can only expand towards the direction of the infusion bag due to the restriction of an infusion space after being inflated. The air bag is fixed on the shell through the air inlet end and the air outlet end on the air bag, and the wall surface of the air bag far away from the infusion bag is fixed on the wall surface of the infusion space, so that the air bag can only expand towards the infusion bag after being inflated.
An exhaust key and a display screen are also arranged on the shell. Before infusion, the air inlet pump is started, the air tank is inflated until the pressure value returned by the pressure switch reaches the preset lower pressure limit, at the moment, the balance valve is in a closed state, and air cannot be filled into the air bag. The air tank can be used for transfusion after being filled with air. And (4) pre-adjusting the balance valve, determining the air outlet quantity of the balance valve, and normally closing the balance valve. When in use, the infusion bag is firstly placed in the infusion space, and then the movable door is closed, so that the infusion bag and the air bag are overlapped. Open the balanced valve, the air in the gas pitcher gets into the gasbag through the balanced valve and aerifys for the gasbag until reaching the pressure value that the pressure sensors on the gasbag returned for the controller and reach preset gasbag pressure upper limit, and the infusion is accomplished, and the controller sends the infusion and accomplishes the warning, reminds medical personnel and disease, and medical personnel or disease just can in time close the balanced valve, extract the transfusion needle, open the dodge gate again and take out infusion bag and accomplish the infusion. Even if the balance valve is not closed in time by medical personnel and patients, the space of the air bag is limited, the transfusion space is also limited, the air left in the air tank can hardly enter the air bag, and even if the air bag enters the air bag, when the air bag is expanded to the maximum, the air bag can not be expanded outwards any more even if the internal air pressure is continuously increased. After the transfusion is finished, the exhaust key is pressed, and the controller opens the normally closed electromagnetic valve and the exhaust pump to exhaust the gas in the air bag until the value returned by the pressure sensor on the air bag is smaller than or equal to the preset value.
The housing is also provided with a mounting groove 12 and a strapping tape for fixing the charger baby. The electricity of the charger baby is transmitted to the controller through the connecting wire. The shell is provided with a USB port which can be used for supplying power to the controller by an external power supply, and the controller then transmits the power supply to the air inlet pump, the air exhaust pump and the normally closed electromagnetic valve. Of course, in practical applications, the electric control element may be powered by a battery disposed in the housing.
For convenient use, the hanging rings are arranged on the two sides of the shell, and the transfusion device can be hung on the shoulders or even tied to the waist by the shoulder straps, so that the transfusion device can be used for transfusion for patients in the moving process or outside hospitals.
The air bag is slowly inflated at a constant speed through the balance valve, the air bag expands outwards to squeeze the infusion bag, so that liquid medicine in the infusion bag uniformly enters a human body from the infusion needle to realize infusion, and the conventional infusion mode that the existing infusion bag is suspended to form pressure difference to realize infusion is thoroughly changed.
The transfusion device can be used repeatedly after being put into a hospital once, a patient does not need to be fixed below the transfusion frame during transfusion, the patient can move freely, go to a toilet, get medicines and the like, and the comfort level and the freedom degree of the patient are improved. The infusion apparatus can be used for emergency treatment and outdoors, and the infusion bag does not need to be hung during emergency treatment, so that a lot of troubles are saved, and the infusion risk is reduced. Of course, the device can also be used for the first aid of wounded personnel in field operations, so that part of wounded personnel can be operated while infusion. For the personnel who need to transfuse for a long time, the infusion can be automatically transfused at home under the guidance of a doctor, the infusion in a hospital is not needed, and the pressure of the hospital is relieved.
The above-mentioned embodiments are only used for illustrating the application of the present invention, and are not meant to be limiting, and those skilled in the art should make various changes or substitutions within the spirit of the present invention, and shall fall within the protection scope of the present invention.
Claims (10)
1. An active infusion set is characterized in that: the air bag inflating device comprises a shell (1), an air adding device and an air bag (2), wherein an infusion space is arranged on the shell, the air bag (2) and an infusion bag (3) are arranged in the infusion space, a movable door is arranged on the infusion space, the movable door is opened to access the infusion bag, a fixing hole is further formed in the shell, and an infusion nozzle of the infusion bag penetrates out of the fixing hole to be exposed outside; the air-entrapping device inflates the air bag, the air bag extrudes the infusion bag, and the liquid medicine in the infusion bag flows into the human body along the infusion needle to realize infusion.
2. The active infusion set of claim 1, wherein: after infusion is completed, the infusion needle is pulled out, the movable door is opened to take out the infusion bag, the air outlet end on the air bag is opened to release air, an infusion bag is put into the infusion space, and then the air is added into the air bag through the air adding device to extrude the infusion bag to realize infusion.
3. The active infusion set of claim 1, wherein: the air-entrapping device comprises an air-entrapping pump (4), an air tank (5) and a balance valve (6), wherein the air-entrapping end of the air-entrapping pump is communicated with the air-entrapping end of the air tank, the air-entrapping end of the air tank is connected with the air-entrapping end of the air bag through the balance valve, the air-entrapping pump presses air into the air tank, and the air flows into the air bag through the air tank and the balance valve uniformly according to the preset setting to expand the air bag to extrude the infusion.
4. The active infusion set of claim 3, wherein: the air bag is characterized by further comprising a normally closed electromagnetic valve (7) and an exhaust pump (8), wherein the air outlet end of the air bag is connected with the exhaust pump through the normally closed electromagnetic valve.
5. The active infusion set of claim 3, wherein: an adjusting knob of the balance valve is exposed outside through the shell so as to be convenient to adjust.
6. The active infusion set of claim 3, wherein: a pressure switch (51) is also provided on the gas tank (5).
7. The active infusion set of claim 3, wherein: and a water-gas separator (9) is arranged between the air inlet pump and the air tank.
8. The active infusion set according to claim 4 or 6 or 7, wherein: the shell is also internally provided with a controller (11), the air inlet pump, the pressure switch, the normally closed electromagnetic valve and the exhaust pump are connected with the controller through leads, and the controller adopts a programmable chip.
9. The active infusion set of claim 1, wherein: the air bag can cover the main body of the infusion bag except the infusion nozzle, is a bag-shaped body made of airtight and soft material, is restricted by the infusion space after being inflated, and can only expand towards the direction of the infusion bag.
10. The active infusion set of claim 1, wherein: the air bag is fixed on the shell through the air inlet end and the air outlet end on the air bag, and the wall surface of the air bag far away from the infusion bag is fixed on the wall surface of the infusion space, so that the air bag can only expand towards the infusion bag after being inflated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010625692.4A CN111617344A (en) | 2020-07-01 | 2020-07-01 | Active infusion apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010625692.4A CN111617344A (en) | 2020-07-01 | 2020-07-01 | Active infusion apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111617344A true CN111617344A (en) | 2020-09-04 |
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ID=72267642
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010625692.4A Withdrawn CN111617344A (en) | 2020-07-01 | 2020-07-01 | Active infusion apparatus |
Country Status (1)
| Country | Link |
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| CN (1) | CN111617344A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201108641Y (en) * | 2007-10-26 | 2008-09-03 | 凌孝民 | Portable intelligent transfusion utensil |
| CN202761815U (en) * | 2012-03-06 | 2013-03-06 | 夏菱 | Electric air pressure type transfusion instrument |
| WO2017004440A1 (en) * | 2015-06-30 | 2017-01-05 | Ibt Incorporated | Fluid infusion system |
| CN109550108A (en) * | 2019-01-11 | 2019-04-02 | 甘维军 | Intelligent pressing portable infusion apparatus and infusion control method |
| CN111184929A (en) * | 2020-02-27 | 2020-05-22 | 中山市雅西环保科技有限公司 | Suspension-free infusion device |
-
2020
- 2020-07-01 CN CN202010625692.4A patent/CN111617344A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201108641Y (en) * | 2007-10-26 | 2008-09-03 | 凌孝民 | Portable intelligent transfusion utensil |
| CN202761815U (en) * | 2012-03-06 | 2013-03-06 | 夏菱 | Electric air pressure type transfusion instrument |
| WO2017004440A1 (en) * | 2015-06-30 | 2017-01-05 | Ibt Incorporated | Fluid infusion system |
| CN109550108A (en) * | 2019-01-11 | 2019-04-02 | 甘维军 | Intelligent pressing portable infusion apparatus and infusion control method |
| CN111184929A (en) * | 2020-02-27 | 2020-05-22 | 中山市雅西环保科技有限公司 | Suspension-free infusion device |
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20200904 |
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| WW01 | Invention patent application withdrawn after publication |