CN110538357B - Infusion apparatus capable of automatically conveying three kinds of liquid medicine successively - Google Patents
Infusion apparatus capable of automatically conveying three kinds of liquid medicine successively Download PDFInfo
- Publication number
- CN110538357B CN110538357B CN201910900823.2A CN201910900823A CN110538357B CN 110538357 B CN110538357 B CN 110538357B CN 201910900823 A CN201910900823 A CN 201910900823A CN 110538357 B CN110538357 B CN 110538357B
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- inlet channel
- liquid
- liquid inlet
- medicine
- metal baffle
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- 239000007788 liquid Substances 0.000 title abstract description 164
- 239000003814 drug Substances 0.000 title abstract description 144
- 238000001802 infusion Methods 0.000 title abstract description 19
- 239000002184 metal Substances 0.000 abstract description 57
- 230000000474 nursing effect Effects 0.000 abstract description 10
- 238000007789 sealing Methods 0.000 abstract description 8
- 230000009286 beneficial effect Effects 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 2
- 230000005389 magnetism Effects 0.000 description 7
- 239000012530 fluid Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 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
- A61M5/1407—Infusion of two or more substances
- A61M5/1408—Infusion of two or more substances in parallel, e.g. manifolds, sequencing valves
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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)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The invention relates to an infusion apparatus for automatically delivering three kinds of liquid medicine sequentially, which comprises a joint, a first liquid medicine pipe, a second liquid medicine pipe and a third liquid medicine pipe; one end of the first liquid inlet channel, the second liquid inlet channel, the third liquid inlet channel and one end of the liquid outlet channel are mutually communicated at the center of the inside of the joint to form a converging end, the other end of the first liquid inlet channel is connected with the first medicine bottle, the other end of the second liquid inlet channel is connected with the second medicine bottle, the other end of the third liquid inlet channel is connected with the third medicine bottle, and the other end of the liquid outlet channel is connected with the needle; a first metal baffle plate for sealing the second liquid inlet channel is arranged in the second liquid inlet channel, and the first metal baffle plate opens the second liquid inlet channel after the liquid medicine in the first medicine bottle is conveyed; the third liquid inlet channel is internally provided with a second metal baffle plate for sealing the third liquid inlet channel, and the second metal baffle plate opens the third liquid inlet channel after the liquid medicine in the second medicine bottle is conveyed. The beneficial effects of the invention are as follows: the nursing staff does not need to constantly change the medicine back and forth or check the transfusion condition while ensuring the transfusion effect, so that the labor cost is saved.
Description
Technical Field
The invention relates to the field of medical appliances, in particular to an infusion apparatus capable of automatically conveying three kinds of liquid medicine successively.
Background
In clinical treatment, it is often the case that multiple bottles of the same or different medical fluids are delivered to the same patient at a time. For the above situation, the nursing staff generally finds out the corresponding bottled liquid medicine and hangs the bottled liquid medicine on the infusion support, then inserts one bottle of liquid medicine into the liquid medicine tube for patient infusion, when the first bottle of liquid medicine is completely delivered, the nursing staff needs to insert the liquid medicine tube into the second bottle of liquid medicine again, and so on until all liquid medicine is completely delivered. The above-described manner has the following drawbacks: when each bottle of liquid medicine is conveyed, a patient is required to call a nursing staff to change the medicine, or the nursing staff is required to check the transfusion condition at regular time and change the medicine in time, on one hand, the medicine change is not timely due to the fact that the patient does not pay attention to the liquid medicine amount of the medicine bottle, or the nursing staff is processing other works, so that the transfusion treatment of the patient is affected; on the other hand, nursing staff needs to change the medicine back and forth or check the transfusion condition, so that the workload of the nursing staff is greatly increased, and more nursing staff can be needed to complete the work as required.
Disclosure of Invention
In summary, in order to overcome the defects of the prior art, the invention aims to provide an infusion apparatus for automatically delivering three kinds of liquid medicine successively.
The technical scheme for solving the technical problems is as follows: an infusion apparatus for automatically delivering three kinds of liquid medicine sequentially comprises a joint, a first liquid medicine pipe, a second liquid medicine pipe and a third liquid medicine pipe; the connector is internally provided with a first liquid inlet channel, a second liquid inlet channel, a third liquid inlet channel and a liquid outlet channel, one ends of the first liquid inlet channel, the second liquid inlet channel, the third liquid inlet channel and the liquid outlet channel are mutually communicated at the center of the inside of the connector to form a converging end, the other end of the first liquid inlet channel vertically extends upwards to the top of the connector and then is upwards connected with a first medicine bottle through the first medicine liquid pipe, the other end of the second liquid inlet channel horizontally extends to one side of the connector and then is upwards connected with a second medicine bottle through the second medicine liquid pipe, the other end of the third liquid inlet channel horizontally extends to the other side of the connector and then is upwards connected with a third medicine bottle through the third medicine liquid pipe, and the other end of the liquid outlet channel is downwards connected with a needle for injecting medicine liquid to a patient;
a first metal baffle plate for sealing the second liquid inlet channel is arranged in the second liquid inlet channel, and the second liquid inlet channel is opened after the liquid medicine in the first medicine bottle is conveyed; a second metal baffle plate for sealing the third liquid inlet channel is arranged in the third liquid inlet channel, and the second metal baffle plate opens the third liquid inlet channel after the liquid medicine in the second medicine bottle is conveyed, so that the liquid medicine is injected into a patient through the liquid outlet channel sequentially from the first medicine bottle, the second medicine bottle and the third medicine bottle.
The beneficial effects of the invention are as follows: when the same patient is supplied with the same or different liquid medicine in multiple bottles, the first liquid medicine pipe, the second liquid medicine pipe and the third liquid medicine pipe are only required to be respectively inserted into the first liquid medicine bottle, the second liquid medicine bottle and the third liquid medicine bottle once, the first liquid medicine bottle is supplied firstly in the process of transfusion, the second liquid medicine bottle is supplied secondly, and finally the third liquid medicine bottle is supplied in the order of supplying the liquid medicine, so that nursing staff does not need to constantly change the medicine back and forth or check the transfusion condition while the transfusion effect is ensured, and the labor cost is saved.
Based on the technical scheme, the invention can be further improved as follows:
further, the device also comprises a first contact, a second contact, a first electromagnet, a first spring and a battery; a first chute is vertically arranged in the connector and corresponds to the bottom of the second liquid inlet channel downwards, and the upper end of the first chute is communicated with the second liquid inlet channel; the first metal baffle is slidably arranged in the first chute to seal or open the second liquid inlet channel, the first spring is arranged below the corresponding first metal baffle in the first chute, and two ends of the first spring are respectively connected with the lower end of the first metal baffle and the bottom of the first chute; the first electromagnet is fixed at the top of the second liquid inlet channel and corresponds to the position right above the first metal baffle;
the battery is positioned at a corresponding position in the connector, and the first contact and the second contact are respectively fixed on the inner wall of the first liquid inlet channel in a horizontally opposite manner and are close to the converging end; the positive pole of the battery is connected with the first contact through a first wire, and the negative pole of the battery is connected with the second contact through a second wire after passing through the first electromagnet.
The technical scheme has the beneficial effects that when the first medicine bottle is completely infused, the first contact and the second contact are electrically connected before being disconnected because no medicine liquid exists, so that the first electromagnet is powered off to lose the magnetism of the first metal baffle, and the first metal baffle is pulled down into the first chute under the action of the first spring to realize the opening of the second liquid inlet channel, namely, the second medicine bottle starts infusing.
Further, a first clamping groove is formed in the position, corresponding to the first metal baffle, of the bottom of the first electromagnet; the lower part of the first clamping groove is of an outwards-opened conical structure, and the upper part of the first clamping groove is of a structure matched with the upper end of the first metal baffle.
The technical scheme has the beneficial effects that the first metal baffle can be smoothly inserted into the upper part in the first clamping groove under the adsorption of the first electromagnet, so that the reliability of sealing the second liquid inlet channel is realized.
Further, the device also comprises a third contact, a fourth contact, a second electromagnet and a second spring; a second chute is vertically arranged in the connector and corresponds to the bottom of the third liquid inlet channel downwards, and the upper end of the second chute is communicated with the third liquid inlet channel; the second metal baffle is slidably arranged in the second chute to seal or open the third liquid inlet channel, the second spring is arranged below the second metal baffle in the second chute and corresponds to the second metal baffle, and two ends of the second spring are respectively connected with the lower end of the second metal baffle and the bottom of the second chute; the second electromagnet is fixed at the top of the third liquid inlet channel and corresponds to the position right above the second metal baffle plate;
the third contact and the fourth contact are respectively fixed on the inner wall of the second liquid inlet channel in a vertically opposite mode and correspond to the position, away from one side of the converging end, of the second electromagnet; the positive pole of the battery is connected with the third contact through a third wire, and the negative pole of the battery is connected with the fourth contact through a fourth wire after passing through the second electromagnet.
The technical scheme has the beneficial effects that when the second medicine bottle is completely infused, the third contact and the fourth contact are electrically connected before being disconnected because no medicine liquid exists, so that the second electromagnet is powered off to lose the magnetism of the second metal baffle, and the second metal baffle is pulled down into the second chute under the action of the second spring to realize the opening of the third liquid inlet channel, namely, the third medicine bottle starts infusing.
Further, a second clamping groove is formed in the bottom of the second electromagnet at a position corresponding to the second metal baffle; the lower part of the second clamping groove is of an outwards-opened conical structure, and the upper part of the second clamping groove is of a structure matched with the upper end of the second metal baffle.
The technical scheme has the beneficial effects that the second metal baffle can be smoothly inserted into the upper part in the second clamping groove under the adsorption of the second electromagnet, so that the reliability of sealing the third liquid inlet channel is realized.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic diagram of the connection of the battery to the second electromagnet, the second electromagnet ferroelectric;
in the drawings, the list of components represented by the various numbers is as follows:
1. the connector comprises a connector, 2, a first liquid medicine pipe, 3, a second liquid medicine pipe, 4, a third liquid medicine pipe, 5, a first liquid inlet channel, 6, a second liquid inlet channel, 7, a third liquid inlet channel, 8, a liquid outlet channel, 9, a first medicine bottle, 10, a second medicine bottle, 11, a third medicine bottle, 12, a first metal baffle, 13, a second metal baffle, 14, a first contact, 15, a second contact, 16, a first electromagnet, 17, a first spring, 18, a battery, 19, a first chute, 20, a first lead, 21, a second lead, 22, a first clamping groove, 23, a third contact, 24, a fourth contact, 25, a second electromagnet, 26, a second spring, 27, a second chute, 28, a third lead, 29, a fourth lead, 30 and a second clamping groove.
Detailed Description
The principles and features of the present invention are described below with reference to the drawings, the examples are illustrated for the purpose of illustrating the invention and are not to be construed as limiting the scope of the invention.
As shown in fig. 1, an infusion apparatus for automatically delivering three kinds of medical fluids sequentially comprises a joint 1, a first medical fluid tube 2, a second medical fluid tube 3 and a third medical fluid tube 4. Be equipped with first inlet channel 5, second inlet channel 6, third inlet channel 7 and drain way 8 in the joint 1, first inlet channel 5 second inlet channel 6 third inlet channel 7 with the one end of drain way 8 is in connect 1 inside center intercommunication each other and forms the end that merges, and the other end of first inlet channel 5 vertically upwards extends to connect 1's top back through first liquid medicine pipe 2 upwards connects first medicine bottle 9, the other end of second inlet channel 6 horizontally extends to connect 1's one side back through second liquid medicine pipe 3 upwards connects second medicine bottle 10, the other end of third inlet channel 7 horizontally extends to connect 1's opposite side back through third liquid medicine pipe 4 upwards connects third medicine bottle 11, the other end of drain way 8 is connected down to the syringe needle of patient's injection liquid medicine.
A first metal baffle 12 for sealing the second liquid inlet channel 6 is arranged in the second liquid inlet channel 6, and the first metal baffle 12 opens the second liquid inlet channel 6 after the liquid medicine in the first medicine bottle 9 is conveyed. A second metal baffle 13 for sealing the third liquid inlet channel 7 is arranged in the third liquid inlet channel 7, and the second metal baffle 13 opens the third liquid inlet channel 7 after the liquid medicine in the second medicine bottle 10 is conveyed, so that the liquid medicine is injected into a patient through the liquid outlet channel 8 sequentially from the first medicine bottle 9, the second medicine bottle 10 and the third medicine bottle 11.
The infusion set further comprises a first contact 14, a second contact 15, a first electromagnet 16, a first spring 17 and a battery 18. A first chute 19 is vertically arranged in the joint 1 and corresponds to the bottom of the second liquid inlet channel 6 downwards, and the upper end of the first chute 19 is communicated with the second liquid inlet channel 6. The first metal baffle 12 is slidably disposed in the first chute 19 to close or open the second liquid inlet 6, and the first spring 17 is disposed in the first chute 19 and under the first metal baffle 12, and two ends of the first spring are respectively connected with the lower end of the first metal baffle 12 and the bottom of the first chute 19. The first electromagnet 16 is fixed at the top of the second liquid inlet channel 6 and at a position corresponding to the position right above the first metal baffle 12.
The battery 18 is positioned at a corresponding position in the connector 1, and the first contact 14 and the second contact 15 are respectively fixed on the inner wall of the first liquid inlet channel 5 in a horizontally opposite mode and are positioned near the junction end. As shown in fig. 2, the positive electrode of the battery 18 is connected to the first contact 14 through a first wire 20, and the negative electrode is connected to the second contact 15 through a second wire 21 after passing through the first electromagnet 16. A first clamping groove 22 is formed at the bottom of the first electromagnet 16 at a position corresponding to the first metal baffle 12. The lower part of the first clamping groove 22 is an outwards-opened conical structure, and the upper part of the first clamping groove is a structure matched with the upper end of the first metal baffle 12.
The infusion set further comprises a third contact 23, a fourth contact 24, a second electromagnet 25 and a second spring 26. The second chute 27 is vertically and downwardly arranged in the joint 1 and corresponds to the bottom of the third liquid inlet channel 7, and the upper end of the second chute 27 is communicated with the third liquid inlet channel 7. The second metal baffle 13 is slidably disposed in the second chute 27 to close or open the third liquid inlet 7, and the second spring 26 is disposed in the second chute 27 and under the second metal baffle 13, and two ends of the second spring are respectively connected to the lower end of the second metal baffle 13 and the bottom of the second chute 27. The second electromagnet 25 is fixed at the top of the third liquid inlet channel 7 and at a position corresponding to the position right above the second metal baffle 13. The third contact 23 and the fourth contact 24 are respectively fixed on the inner wall of the second liquid inlet channel 6 in a vertically opposite manner and correspond to the position of the second electromagnet 25 away from the side of the converging end. The positive electrode of the battery 18 is connected to the third contact 23 via a third wire 28, and the negative electrode thereof is connected to the fourth contact 24 via a fourth wire 29 via the second electromagnet 25. A second clamping groove 30 is arranged at the bottom of the second electromagnet 25 at a position corresponding to the second metal baffle 13. The lower part of the second clamping groove 30 is an outwards-opened conical structure, and the upper part of the second clamping groove is a structure matched with the upper end of the second metal baffle 13.
The following describes in detail one detailed operation of the infusion set:
when three bottles of liquid medicine need to be conveyed at a time, the corresponding liquid medicine, namely a first medicine bottle 9, a second medicine bottle 10 and a third medicine bottle 11, is firstly found. Then, the first medicine bottle 9 is inserted into the first medicine liquid pipe 2, the transfusion pipe of the liquid outlet channel 8 of the connecting joint 1 is observed, and when the medicine liquid of the first medicine bottle 9 starts to flow out from the liquid outlet channel 8, the second medicine bottle 10 is inserted into the first medicine liquid pipe 3. Because the liquid medicine in the first medicine bottle 9 starts to flow out from the liquid outlet channel 8, the liquid medicine in the first medicine bottle 9 inevitably flows through the first liquid inlet channel 5, when the liquid medicine in the first medicine bottle 9 flows through the first liquid inlet channel 5, the first contact 14 and the second contact 15 are conducted through the liquid medicine, the battery 18 supplies power to the first electromagnet 16, the first electromagnet 16 generates magnetism to attract the first metal baffle 12 upwards and stretch the first spring 17, the first metal baffle 12 slides upwards into the first clamping groove 22 of the first electromagnet 16 after receiving the magnetic force, so that the second liquid inlet channel 6 is closed (the lower end of the first metal baffle 12 is still positioned in the first sliding groove 22), and at the moment, even if the second medicine bottle 10 is spliced with the second liquid medicine tube 3, the liquid medicine in the second medicine bottle 10 does not flow into the liquid outlet channel 8.
Next, the second liquid medicine tube 3 is observed, and when the liquid medicine in the second medicine bottle 10 flows into the second liquid inlet channel 6 through the second liquid medicine tube 3 and the liquid medicine in the second medicine bottle 10 is not changed any more, the third medicine bottle 11 and the third liquid medicine tube 4 are spliced. Similarly, since the liquid medicine in the second medicine bottle 10 is not changed, the liquid medicine output from the second medicine bottle 10 must reach the first metal baffle 12. In the process that the second medicine bottle 10 reaches the first metal baffle 12, the second medicine bottle flows through the third contact 23 and the fourth contact 24, the third contact 23 and the fourth contact 24 are conducted through the medicine liquid, the battery 18 supplies power to the second electromagnet 25, the second electromagnet 25 generates magnetism to attract the second metal baffle 13 upwards and stretches the second spring 26, the second metal baffle 13 slides upwards into the second clamping groove 30 of the second electromagnet 25 after receiving the magnetism, so that the third liquid inlet channel 7 is closed (the lower end of the second metal baffle 13 is still positioned in the second sliding groove 30), and at the moment, even if the third medicine bottle 11 is spliced with the third medicine liquid pipe 4, the medicine liquid in the third medicine bottle 11 does not flow into the liquid outlet channel 8.
After the above operation, the first, second and third liquid medicine tubes 2, 3 and 4 are inserted into the first, second and third medicine bottles 9, 10 and 11, respectively, and the second and third liquid medicine tubes 3 and 4 close the second and third liquid inlet passages 6 and 7 due to the first and second metal baffles 12 and 13, respectively, so that the first and third medicine bottles 9 and 10 and 11 begin to be infused, respectively, and no liquid medicine is output.
When the infusion is completed in the first medicine bottle 9, the first contact 14 and the second contact 15 are disconnected because no medicine liquid exists, the battery 18 stops supplying power to the first electromagnet 16, the first electromagnet 16 loses magnetism and does not attract the first metal baffle 12 upwards, the first metal baffle 12 is pulled down into the first chute 19 under the action of the first spring 17, the second liquid inlet channel 6 is opened, and the infusion is started in the second medicine bottle 10.
As the infusion proceeds, when the second medicine bottle 10 is completely infused, the third contact 23 and the fourth contact 24 are disconnected because no medicine liquid exists, the battery 18 stops supplying power to the second electromagnet 25, the second electromagnet 25 loses magnetism and does not attract the second metal baffle 13 upwards, the second metal baffle 13 is pulled down into the second chute 27 under the action of the second spring 26, the third liquid inlet channel 7 is opened, and the third medicine bottle 11 starts infusion after that. Until the third medicine bottle 11 is completely infused, the whole infusion is finished.
According to the principle, the infusion apparatus can be improved into an infusion apparatus capable of automatically and successively conveying more than three kinds of liquid medicine by adding corresponding liquid medicine pipes, liquid inlet channels, electromagnet groups and the like so as to meet the requirements under different conditions.
The foregoing description of the preferred embodiments of the invention is not intended to limit the invention to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the invention are intended to be included within the scope of the invention.
Claims (3)
1. An infusion apparatus for automatically delivering three kinds of liquid medicine sequentially is characterized by comprising a joint (1), a first liquid medicine pipe (2), a second liquid medicine pipe (3) and a third liquid medicine pipe (4); a first liquid inlet channel (5), a second liquid inlet channel (6), a third liquid inlet channel (7) and a liquid outlet channel (8) are arranged in the connector (1), the first liquid inlet channel (5), the second liquid inlet channel (6), the third liquid inlet channel (7) and one end of the liquid outlet channel (8) are mutually communicated at the center of the inside of the connector (1) to form a converging end, the other end of the first liquid inlet channel (5) vertically extends upwards to the top of the connector (1) and then is upwards connected with a first medicine bottle (9) through the first medicine liquid pipe (2), the other end of the second liquid inlet channel (6) horizontally extends to one side of the connector (1) and then is upwards connected with a second medicine bottle (10) through the second medicine liquid pipe (3), the other end of the third liquid inlet channel (7) horizontally extends to the other side of the connector (1) and then is upwards connected with a third medicine bottle (11) through the third medicine liquid pipe (4), and the other end of the liquid outlet channel (8) is horizontally connected with a liquid medicine bottle (8) and then is downwards connected with a needle of a patient;
a first metal baffle (12) for sealing the second liquid inlet channel (6) is arranged in the second liquid inlet channel, and the first metal baffle (12) opens the second liquid inlet channel (6) after the liquid medicine in the first medicine bottle (9) is conveyed; a second metal baffle (13) for sealing the third liquid inlet channel (7) is arranged in the third liquid inlet channel (7), and the second metal baffle (13) opens the third liquid inlet channel (7) after the liquid medicine in the second medicine bottle (10) is conveyed, so that the liquid medicine is injected into a patient from the first medicine bottle (9), the second medicine bottle (10) and the third medicine bottle (11) sequentially through the liquid outlet channel (8);
the device also comprises a first contact (14), a second contact (15), a first electromagnet (16), a first spring (17) and a battery (18); a first chute (19) is vertically arranged in the joint (1) and corresponds to the bottom of the second liquid inlet channel (6) downwards, and the upper end of the first chute (19) is communicated with the second liquid inlet channel (6); the first metal baffle plate (12) is slidably arranged in the first chute (19) to close or open the second liquid inlet channel (6), the first spring (17) is arranged below the first chute (19) corresponding to the first metal baffle plate (12), and two ends of the first spring are respectively connected with the lower end of the first metal baffle plate (12) and the bottom of the first chute (19); the first electromagnet (16) is fixed at the top of the second liquid inlet channel (6) and corresponds to the position right above the first metal baffle plate (12);
the battery (18) is positioned at a corresponding position in the connector (1), and the first contact (14) and the second contact (15) are respectively fixed on the inner wall of the first liquid inlet channel (5) in a horizontally opposite mode and are close to the converging end; the positive electrode of the battery (18) is connected with the first contact (14) through a first wire connection (20), and the negative electrode of the battery is connected with the second contact (15) through a second wire (21) after passing through the first electromagnet (16);
the device also comprises a third contact (23), a fourth contact (24), a second electromagnet (25) and a second spring (26); a second chute (27) is vertically arranged in the joint (1) and corresponds to the bottom of the third liquid inlet channel (7) downwards, and the upper end of the second chute (27) is communicated with the third liquid inlet channel (7); the second metal baffle plate (13) is slidably arranged in the second chute (27) to close or open the third liquid inlet channel (7), the second spring (26) is arranged below the second chute (27) corresponding to the second metal baffle plate (13), and two ends of the second spring are respectively connected with the lower end of the second metal baffle plate (13) and the bottom of the second chute (27); the second electromagnet (25) is fixed at the top of the third liquid inlet channel (7) and corresponds to the position right above the second metal baffle plate (13);
the third contact (23) and the fourth contact (24) are respectively and vertically fixed on the inner wall of the second liquid inlet channel (6) in opposite directions and correspond to the position of the second electromagnet (25) away from one side of the converging end; the positive electrode of the battery (18) is connected with the third contact (23) through a third wire (28), and the negative electrode of the battery is connected with the fourth contact (24) through a fourth wire (29) after passing through the second electromagnet (25).
2. The infusion apparatus for automatically delivering three kinds of liquid medicine sequentially according to claim 1, wherein a first clamping groove (22) is arranged at the bottom of the first electromagnet (16) at a position corresponding to the first metal baffle plate (12); the lower part of the first clamping groove (22) is of an outwards-opened conical structure, and the upper part of the first clamping groove is of a structure matched with the upper end of the first metal baffle (12).
3. The infusion apparatus for automatically delivering three kinds of liquid medicine sequentially according to claim 1, wherein a second clamping groove (30) is arranged at the bottom of the second electromagnet (25) at a position corresponding to the second metal baffle plate (13); the lower part of the second clamping groove (30) is of an outwards-opened conical structure, and the upper part of the second clamping groove is of a structure matched with the upper end of the second metal baffle (13).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910900823.2A CN110538357B (en) | 2019-09-23 | 2019-09-23 | Infusion apparatus capable of automatically conveying three kinds of liquid medicine successively |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910900823.2A CN110538357B (en) | 2019-09-23 | 2019-09-23 | Infusion apparatus capable of automatically conveying three kinds of liquid medicine successively |
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| CN110538357A CN110538357A (en) | 2019-12-06 |
| CN110538357B true CN110538357B (en) | 2024-02-06 |
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