CN111053955A - Convenient-to-insert type automatic-stop infusion device - Google Patents
Convenient-to-insert type automatic-stop infusion device Download PDFInfo
- Publication number
- CN111053955A CN111053955A CN202010127517.2A CN202010127517A CN111053955A CN 111053955 A CN111053955 A CN 111053955A CN 202010127517 A CN202010127517 A CN 202010127517A CN 111053955 A CN111053955 A CN 111053955A
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- sliding sleeve
- liquid
- bottle stopper
- air
- stopper puncture
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- 230000007246 mechanism Effects 0.000 claims abstract description 27
- 238000005192 partition Methods 0.000 claims abstract description 13
- 238000007789 sealing Methods 0.000 claims description 19
- 238000001914 filtration Methods 0.000 claims description 17
- 239000012528 membrane Substances 0.000 claims description 14
- 239000011550 stock solution Substances 0.000 claims description 12
- 235000014676 Phragmites communis Nutrition 0.000 claims description 10
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- 230000037431 insertion Effects 0.000 abstract description 3
- 239000003814 drug Substances 0.000 description 38
- 239000008280 blood Substances 0.000 description 4
- 210000004369 blood Anatomy 0.000 description 4
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Images
Classifications
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- 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
- A61M5/162—Needle sets, i.e. connections by puncture between reservoir and tube ; Connections between reservoir and tube
-
- 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
- A61M5/165—Filtering accessories, e.g. blood filters, filters for infusion liquids
-
- 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
-
- 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
- A61M2205/00—General characteristics of the apparatus
- A61M2205/75—General characteristics of the apparatus with filters
- A61M2205/7545—General characteristics of the apparatus with filters for solid matter, e.g. microaggregates
Landscapes
- 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)
- Emergency Medicine (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The invention relates to a convenient insertion type automatic stop infusion device, belonging to the technical field of medical instruments. The automatic bottle stopper puncture outfit comprises a float chamber, a liquid storage chamber, a bottle stopper puncture outfit, an air inlet mechanism and an automatic liquid stopping mechanism, wherein the float chamber is an inverted cup-shaped body, and the liquid storage chamber is arranged at the bottom port of the float chamber in a threaded manner; the top end face of the float chamber is fixedly provided with a bottle stopper puncture outfit, the float chamber on one side of the bottle stopper puncture outfit is fixedly provided with an air inlet mechanism, and the liquid storage chamber below the bottle stopper puncture outfit is internally provided with an automatic liquid stopping mechanism through a partition plate. The device simple structure can control liquid level in the transfer line through automatic liquid stopping mechanism, and can not make the air get into in the transfer line, and then can effectively reduce because of the medical risk that the infusion of the disposable transfusion system of direct use exists, and effectively reduce intensity of labour, when having solved direct infusion through disposable transfusion system, has medical risk and increase intensity of labour's problem, uses when specially adapted uses the infusion of disposable transfusion system.
Description
Technical Field
The invention relates to a convenient insertion type automatic stop infusion device, belonging to the technical field of medical instruments.
Background
In clinical treatment, an infusion set is a common medical consumable, and is usually used for intravenous infusion to treat diseases by infusion. At present, a common medical disposable infusion apparatus is mostly adopted in the infusion process, the disposable infusion apparatus is composed of a dropping funnel, a liquid inlet pipe and an infusion tube, the liquid inlet pipe is arranged at one end of the dropping funnel, a liquid inlet pipe bottle stopper puncture needle head is arranged at the end head of the liquid inlet pipe, and an air inlet pipe is arranged on the liquid inlet pipe bottle stopper puncture needle head; the other end of the dropping funnel is provided with a transfusion tube, the end of the transfusion tube is provided with a venous transfusion needle head, and the transfusion tube is movably provided with a flow regulator. When changing infusion bottle or infusion and ending, if handle untimely, often take place into air phenomenon in the transfer line, easily form the bubble embolism in causing the transfer line, the interior liquid level of transfer line simultaneously easily takes place back the blood phenomenon when low, there is the medical risk that serious problems such as probably leading to venous embolism, infection, septicemia take place because of blood coagulation, and can not continue the infusion because of there being bubble or blood in the transfer line, need to infuse after medical personnel's manual discharge bubble and blood, medical personnel's working strength has been increased.
Disclosure of Invention
The purpose of the invention is: the convenient-to-insert automatic-stop infusion device can effectively reduce medical risks caused by directly using a disposable infusion set for infusion and effectively reduce labor intensity.
The technical scheme of the invention is as follows:
the utility model provides a just, insert formula automatic stop infusion set, it comprises float chamber, stock solution room, bottle plug puncture ware, mechanism and the automatic mechanism that stops of admitting air, its characterized in that: the floater chamber is an inverted cup-shaped body, and a liquid storage chamber is arranged at the bottom port of the floater chamber in a threaded manner; the top end face of the float chamber is fixedly provided with a bottle stopper puncture outfit, the float chamber on one side of the bottle stopper puncture outfit is fixedly provided with an air inlet mechanism, and the liquid storage chamber below the bottle stopper puncture outfit is internally provided with an automatic liquid stopping mechanism through a partition plate.
The automatic liquid stopping mechanism consists of a fixed sliding sleeve, a connecting rod, a floating ball and a plug, wherein the fixed sliding sleeve is an inverted cup-shaped body, the connecting rod is movably arranged in the center of the end face of the fixed sliding sleeve through an installation hole, one end of the connecting rod extends to the outer side of the fixed sliding sleeve, and the floating ball is arranged at the end of the connecting rod extending to the outer side of the fixed sliding sleeve in a threaded manner; and a plug is fixedly arranged at the end of the connecting rod in the fixed sliding sleeve and is connected with the inner wall of the fixed sliding sleeve in a sliding and sealing manner.
The upper surface of the plug is provided with a balancing weight; sliding sleeve liquid inlet holes are uniformly distributed on the circumference of the end of the fixed sliding sleeve below the plug.
The upper surface of the partition plate is provided with mounting ring grooves, liquid passing through holes are formed in the partition plate between the mounting ring grooves, and the liquid passing through holes are intermittently communicated with liquid inlet holes of the sliding sleeve; the partition plate is in threaded connection with the fixed sliding sleeve through the mounting ring groove.
The air inlet mechanism consists of an assembly block, an air filter cap and an air filter membrane, wherein the assembly block is provided with an air inlet hole which is communicated with the float chamber; one end of the air inlet hole is provided with an air filtering cap, and the other end of the air inlet hole is provided with an air filtering membrane.
The air filter cap consists of an assembly plate, a connecting reed and a sealing head, wherein the sealing head is arranged on the lower surface of the assembly plate and is in intermittent sealing connection with the air inlet; a connecting reed is arranged on the assembling plate at one side of the sealing head; the assembly plate is connected with the assembly block through a connecting reed.
The periphery of the end of the bottle stopper puncture outfit is provided with an air outlet, the periphery of the bottle stopper puncture outfit below the air outlet is provided with a liquid inlet, and the air outlet and the liquid inlet are respectively communicated with the floater chamber.
And a rubber plug is arranged at the bottom port of the liquid storage chamber.
The invention has the beneficial effects that:
this just, insert formula automatic stop infusion set simple structure can control the transfer line in the liquid level through automatic liquid stopping mechanism, and can not make during the air admission transfer line, and then can effectively reduce because of the medical risk that the infusion of the disposable transfusion system of direct use exists, and effectively reduce intensity of labour, when having solved direct infusion through disposable transfusion system, has medical risk and increases intensity of labour's problem, uses when specially adapted uses disposable transfusion system infusion.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic top view of the present invention;
FIG. 3 is a schematic view of the structure in the direction A-A in FIG. 2;
FIG. 4 is a schematic structural view of the automatic liquid stop mechanism of the present invention;
FIG. 5 is a schematic structural view of the fixed sliding sleeve of the present invention;
FIG. 6 is a schematic view of the construction of the separator plate of the present invention;
fig. 7 is a schematic view of the working state of the present invention.
In the figure: 1. float chamber, 2, stock solution chamber, 3, bottle stopper puncture outfit, 4, the gas outlet, 5, the inlet, 6, the assembly piece, 7, filtration membrane, 8, the inlet port, 9, the assembly plate, 10, the connection reed, 11, sealed head, 12, the rubber buffer, 13, the division board, 14, the installation annular, 15, fixed sliding sleeve, 16, the connecting rod, 17, the floater, 18, the end cap, 19, the mounting hole, 20, the balancing weight, 21, the sliding sleeve feed liquor hole, 22, cross the liquid through-hole, 23, the medicine bottle, 24, the intake pipe, 25, feed liquor pipe bottle stopper puncture syringe needle, 26, feed liquor pipe, 27, the drip chamber, 28, the transfer line, 29, the venous transfusion syringe needle, 30, flow regulator.
Detailed Description
The convenient insertion type automatic stop transfusion device consists of a float chamber 1, a liquid storage chamber 2, a bottle stopper puncture outfit 3, an air inlet mechanism and an automatic stop transfusion mechanism, wherein the liquid storage chamber 2 and the float chamber 1 are in threaded connection with each other; the liquid storage chamber 2 is a conical body, the top end face of the float chamber 1 is fixedly provided with a bottle stopper puncture device 3 of a conical hollow body, the circumference of the end head of the bottle stopper puncture device 3 is provided with an air outlet 4, the circumference of the bottle stopper puncture device 3 below the air outlet 4 is provided with a liquid inlet 5, and the air outlet 4 and the liquid inlet 5 are respectively communicated with the float chamber 1. During operation, insert the bottle plug of medicine bottle through bottle plug puncture ware 3, admit air in to the medicine bottle through gas outlet 4 and keep the atmospheric pressure in the medicine bottle unanimous with float chamber 1 atmospheric pressure, make the liquid medicine in the medicine bottle can get into in bottle plug puncture ware 3 through inlet 5, and then make the liquid medicine that gets into in bottle plug puncture ware 3 get into in the float chamber 1.
An air inlet mechanism is fixedly arranged on the float chamber 1 at one side of the bottle stopper puncture device 3, the air inlet mechanism consists of an assembly block 6, an air filtering cap and an air filtering membrane 7, an air inlet hole 8 is arranged on the assembly block 6, and the air inlet hole 8 is communicated with the float chamber 1; an air filtering cap is arranged at one end of the air inlet hole 8, the air filtering cap is composed of an assembly plate 9, a connecting reed 10 and a sealing head 11, the sealing head 11 is arranged on the lower surface of the assembly plate 9, and the sealing head 11 is intermittently and hermetically connected with the air inlet hole 8 (the connecting reed 10 is movably inserted with the sealing head 11); a connecting reed 10 is arranged on the assembling plate 9 at one side of the sealing head 11; the mounting plate 9 is connected to the mounting block 6 via a connecting spring 10. The other end of the air inlet hole 8 is provided with an air filtering membrane 7. When the medicine bottle is in operation, the assembling plate 9 is broken off, the sealing head 11 is pulled out from the air inlet hole 8, so that the air inlet hole 8 is communicated with the outside, the float chamber 1 is communicated with the outside, the pressure balance between the float chamber 1 and the outside is kept, and the pressure in the medicine bottle is further balanced with the outside; the air filtering membrane 7 is used for filtering air entering the air inlet hole 8 so as to prevent impurities in the air from entering the float chamber 1 and not polluting liquid medicine in the float chamber 1. The air filter cap has the function of blocking and sealing the air inlet hole 8 through the sealing head 11 so as to prevent the air filter membrane 7 at the end of the air inlet hole 8 from being punctured due to pressure change in the air inlet hole 8 or foreign matters entering the air inlet hole 8 and not enabling the air filter membrane 7 to be perforated; meanwhile, sundries such as bacteria and dust are prevented from entering the air inlet hole 8, and when the air filtering membrane 7 is not used, the air filtering membrane 7 cannot be blocked in the hole and the permeability of the air filtering membrane 7 cannot be reduced.
A partition plate 13 is fixedly arranged between the upper port of the liquid storage chamber 2 and the floater chamber 1, a mounting ring groove 14 is arranged on the upper surface of the partition plate 13, and an automatic liquid stopping mechanism is arranged on the partition plate 13. The automatic liquid stopping mechanism consists of a fixed sliding sleeve 15, a connecting rod 16, a floating ball 17 and a plug 18, wherein the fixed sliding sleeve 15 is a reversed cup-shaped body, and the fixed sliding sleeve 15 is in threaded connection with the mounting ring groove 14. Connecting rod 16 is equipped with through mounting hole 19 activity in the end face center of fixed sliding sleeve 15, and the one end of connecting rod 16 extends to the fixed sliding sleeve 15 outside, and the floater 17 is installed to the 16 end screw threads of connecting rod that extend the fixed sliding sleeve 15 outside, and the density of connecting rod 16 and floater 17 is less than 1g/cm fortune, and the density of floater 17 and connecting rod 16 is less than the density of liquid medicine promptly, makes floater 17 and connecting rod 16 can have buoyancy in the liquid medicine. A plug 18 is fixedly arranged at the end of a connecting rod 16 in the fixed sliding sleeve 15, the plug 18 is connected with the inner wall of the fixed sliding sleeve 15 in a sliding and sealing manner, and a balancing weight 20 is arranged on the upper surface of the plug 18; sliding sleeve liquid inlet holes 21 are uniformly distributed on the circumference of the end of the fixed sliding sleeve 15 below the plug 18. The partition plate 13 between the mounting ring grooves 14 is provided with a liquid passing through hole 22, and the liquid passing through hole 22 is intermittently communicated with a sliding sleeve liquid inlet hole 21. When the liquid level in the float chamber 1 is high during working, when the liquid medicine has buoyancy on the floating ball 17 and the connecting rod 16, the floating ball 17 and the connecting rod 16 drive the plug 18 to overcome the gravity of the plug 18 and the balancing weight 20 to move upwards, so that the liquid inlet hole 21 of the sliding sleeve is communicated with the liquid through hole 22, namely the float chamber 1 is communicated with the liquid storage chamber 2, and the liquid medicine in the float chamber 1 can enter the liquid storage chamber 2; when the liquid level in the float chamber 1 is high and the liquid medicine has no buoyancy to the floating ball 17 and the connecting rod 16, the plug 18 seals the liquid passing through hole 22 and the sliding sleeve liquid inlet hole 21 under the action of self gravity and the gravity of the balancing weight 20, so that the liquid medicine in the float chamber 1 can not enter the liquid storage chamber 2 through the sliding sleeve liquid inlet hole 21 and the liquid passing through hole 22.
The bottom port of stock solution room 2 is provided with rubber buffer 12, and rubber buffer 12's effect is sealed to 2 bottom ports of stock solution room to avoid during dust or bacterium get into stock solution room 2, and can not pollute stock solution room 2.
This just, insert formula self-stop infusion set during operation, insert the bottle plug puncture ware 3 in the bottle plug of medicine bottle 23, make float chamber 1 communicate with medicine bottle 23 through bottle plug puncture ware 3, after bottle plug puncture ware 3 inserted medicine bottle 23, sealed the intake pipe 24 of disposable transfusion system, and insert the rubber buffer 12 of the 2 bottom ports of stock solution room with the feed liquor pipe bottle plug puncture syringe needle 25 of disposable transfusion system, make the feed liquor pipe 26 of disposable transfusion system communicate with stock solution room 2 through feed liquor pipe bottle plug puncture syringe needle 25.
Insert the rubber buffer 12 of 2 bottom ports of stock solution room with the feed liquor pipe bottle stopper puncture syringe needle 25 of disposable transfusion system back, open the sealed head 11 of the filtration cap of air inlet mechanism by on the inlet port 8, make float chamber 1 communicate with the external world through inlet port 8, during air can get into float chamber 1 through the filtration membrane 7 of 8 ends of inlet port, and then get into medicine bottle 23 through gas outlet 4 on the bottle stopper puncture ware 3, keep the pressure in the medicine bottle 23 balanced with external pressure.
The back is opened to sealed head 11, the liquid medicine in the medicine bottle 23 passes through 5 entering bottle stopper puncture ware 3 of inlet on the bottle stopper puncture ware 3, and get into in the float chamber 1 by bottle stopper puncture ware 3, make the liquid medicine liquid level in the float chamber 1 continuously increase, the liquid medicine liquid level in the float chamber 1 increases after the floater 17 produces buoyancy, drive balancing weight 20 and end cap 18 come up in fixed sliding sleeve 15 under the buoyancy of floater 17 and connecting rod 16, make end cap 18 open, and then make sliding sleeve feed liquor hole 21 and cross liquid through-hole 22 intercommunication, the liquid medicine in the float chamber 1 passes through sliding sleeve feed liquor hole 21 and crosses liquid through-hole 22 and gets into in the stock solution room 2. The liquid medicine entering the liquid storage chamber 2 enters the liquid inlet pipe 26 through the liquid inlet pipe bottle stopper puncturing needle 25 of the disposable transfusion device inserted on the rubber stopper 12, the liquid medicine entering the liquid inlet pipe 26 sequentially enters the venous transfusion needle 29 through the dropping funnel 27 and the transfusion pipe 28, the air in the dropping funnel 27 and the transfusion pipe 28 is discharged, the flow rate of the liquid medicine in the venous transfusion needle 29 is adjusted through the flow regulator 30, and then the venous transfusion needle 29 is punctured into the vein of a patient, so that the transfusion can be carried out.
During the infusion process, the liquid level of the liquid medicine in the medicine bottle 23 gradually drops, and after the liquid medicine in the medicine bottle 23 is infused, the liquid level of the liquid medicine in the floater chamber 1 gradually decreases, after the liquid level of the liquid medicine in the floater chamber 1 decreases until the liquid medicine has no buoyancy to the floating ball 17, the plug 18 under the action of gravity of the plug and the balancing weight 20, the liquid inlet hole 21 and the liquid passing through hole 22 of the sliding sleeve are sealed, so that the liquid inlet hole 21 and the liquid passing through hole 22 of the sliding sleeve are not communicated, the liquid storage chamber 2 is sealed, the liquid medicine in the liquid storage chamber 2 does not enter the liquid inlet pipe 26 any more, and then the infusion is automatically stopped, air is prevented from entering the infusion tube 28, and simultaneously the liquid level in the infusion tube 28 can be kept, so that the phenomenon of air bubble embolism can not be formed in the infusion tube 28 or blood return caused by too low liquid level in the infusion tube 28 can not occur, the medical risk caused by directly using the disposable infusion apparatus for infusion can be effectively reduced, and the labor intensity of medical staff can be effectively reduced. After the liquid inlet hole 21 of the sliding sleeve is not communicated with the liquid passing through hole 22, the medicine bottle can be replaced or the intravenous infusion needle 29 can be pulled out.
This just, insert formula automatic stop infusion set simple structure can control the transfer line in the liquid level through automatic liquid stopping mechanism, and can not make during the air admission transfer line, and then can effectively reduce because of the medical risk that the infusion of the disposable transfusion system of direct use exists, and effectively reduce intensity of labour, when having solved direct infusion through disposable transfusion system, has medical risk and increases intensity of labour's problem, uses when specially adapted uses disposable transfusion system infusion.
Claims (7)
1. The utility model provides a just, insert formula automatic stop infusion set, it comprises the stock solution bottle, its characterized in that: float chamber (1), stock solution room (2), bottle plug puncture ware (3), mechanism and the automatic mechanism that stops of admitting air constitute its characterized in that: the floater chamber (1) is an inverted cup-shaped body, and a liquid storage chamber (2) is arranged at the bottom port of the floater chamber (1) in a threaded mode; the top end face of the float chamber (1) is fixedly provided with a bottle stopper puncture outfit (3), the float chamber (1) below the bottle stopper puncture outfit (3) is provided with an air inlet mechanism, an automatic liquid stopping mechanism is arranged in the liquid storage chamber (2) below the bottle stopper puncture outfit (3) through a partition plate (13), and a rubber plug (12) is arranged at the bottom port of the liquid storage chamber (2).
2. The portable automatic stop infusion device of claim 1, wherein: the automatic liquid stopping mechanism is composed of a fixed sliding sleeve (15), a connecting rod (16), a floating ball (17) and a plug (18), the fixed sliding sleeve (15) is a reversed-buckled cup-shaped body, the connecting rod (16) is movably arranged in the center of the end face of the fixed sliding sleeve (15) through a mounting hole (19), one end of the connecting rod (16) extends to the outer side of the fixed sliding sleeve (15), and the floating ball (17) is arranged at the end of the connecting rod (16) extending to the outer side of the fixed sliding sleeve (15) in a threaded mode; a plug (18) is fixedly arranged at the end of the connecting rod (16) in the fixed sliding sleeve (15), and the plug (18) is connected with the inner wall of the fixed sliding sleeve (15) in a sliding and sealing manner.
3. The portable automatic stop infusion device of claim 2, wherein: a counterweight block (20) is arranged on the upper surface of the plug (18); sliding sleeve liquid inlet holes (21) are uniformly distributed on the circumference of the end of the fixed sliding sleeve (15) below the plug (18).
4. The portable automatic stop infusion device of claim 1, wherein: mounting ring grooves (14) are formed in the upper surface of the partition plate (13), liquid passing through holes (22) are formed in the partition plate (13) between the mounting ring grooves (14), and the liquid passing through holes (22) are intermittently communicated with liquid inlet holes (21) of the sliding sleeve; the partition plate (13) is in threaded connection with the fixed sliding sleeve (15) through the mounting ring groove (14).
5. The portable automatic stop infusion device of claim 1, wherein: the air inlet mechanism consists of an assembly block (6), an air filter cap and an air filter membrane (7), wherein an air inlet hole (8) is formed in the assembly block (6), and the air inlet hole (8) is communicated with the float chamber (1); an air filtering cap cover is movably arranged above the air inlet hole (8), and an air filtering membrane (7) is arranged at the bottom of the air inlet hole.
6. The portable automatic stop infusion device of claim 5, wherein: the air filter cap is composed of an assembly plate (9), a connecting reed (10) and a sealing head (11), wherein the sealing head (11) is arranged on the lower surface of the assembly plate (9), and the sealing head (11) is intermittently and hermetically connected with the air inlet hole (8); a connecting reed (10) is arranged on the assembling plate (9) at one side of the sealing head (11); the assembly plate (9) is connected with the assembly block (6) through a connecting reed (10).
7. The portable automatic stop infusion device of claim 1, wherein: the bottle stopper puncture outfit (3) is a conical hollow body, an air outlet (4) is arranged on the circumference of the top end of the bottle stopper puncture outfit (3), and a liquid inlet (5) is arranged on the circumference of the bottle stopper puncture outfit (3) below the air outlet (4).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202010127517.2A CN111053955A (en) | 2020-02-28 | 2020-02-28 | Convenient-to-insert type automatic-stop infusion device |
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CN202010127517.2A CN111053955A (en) | 2020-02-28 | 2020-02-28 | Convenient-to-insert type automatic-stop infusion device |
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CN111053955A true CN111053955A (en) | 2020-04-24 |
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CN202010127517.2A Pending CN111053955A (en) | 2020-02-28 | 2020-02-28 | Convenient-to-insert type automatic-stop infusion device |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113559346A (en) * | 2021-07-14 | 2021-10-29 | 舒管先 | Hanging automatic cut-off bottle head |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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CN201492757U (en) * | 2009-09-25 | 2010-06-02 | 徐岚 | Lateral opening type bottle stopper puncture outfit for parenteral nutrition solution |
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CN212016345U (en) * | 2020-02-28 | 2020-11-27 | 长江大学 | Convenient-to-insert type automatic-stop infusion device |
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CN201492757U (en) * | 2009-09-25 | 2010-06-02 | 徐岚 | Lateral opening type bottle stopper puncture outfit for parenteral nutrition solution |
CN103830795A (en) * | 2012-11-22 | 2014-06-04 | 邹浩然 | Disposable automatic liquid stopping infusion set |
CN203525090U (en) * | 2013-09-26 | 2014-04-09 | 淮安市恒春医疗器材有限公司 | Floating plug type infusion apparatus capable of exhausting air and stopping liquid automatically |
CN204379885U (en) * | 2014-12-26 | 2015-06-10 | 北京伏尔特技术有限公司 | A kind of Multifunctional safety transfusion system |
CN212016345U (en) * | 2020-02-28 | 2020-11-27 | 长江大学 | Convenient-to-insert type automatic-stop infusion device |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN113559346A (en) * | 2021-07-14 | 2021-10-29 | 舒管先 | Hanging automatic cut-off bottle head |
CN113559346B (en) * | 2021-07-14 | 2023-05-05 | 舒管先 | Hanging type automatic shutoff bottle head |
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