CN110538357A - Infusion apparatus capable of automatically and successively delivering three kinds of liquid medicines - Google Patents
Infusion apparatus capable of automatically and successively delivering three kinds of liquid medicines Download PDFInfo
- Publication number
- CN110538357A CN110538357A CN201910900823.2A CN201910900823A CN110538357A CN 110538357 A CN110538357 A CN 110538357A CN 201910900823 A CN201910900823 A CN 201910900823A CN 110538357 A CN110538357 A CN 110538357A
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- liquid
- inlet channel
- liquid inlet
- medicine
- metal baffle
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- 239000007788 liquid Substances 0.000 title claims abstract description 221
- 239000003814 drug Substances 0.000 title claims abstract description 171
- 238000001802 infusion Methods 0.000 title claims abstract description 26
- 229940079593 drug Drugs 0.000 title claims abstract description 14
- 239000002184 metal Substances 0.000 claims abstract description 72
- 238000007789 sealing Methods 0.000 claims abstract description 10
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 claims 2
- 230000000474 nursing effect Effects 0.000 abstract description 9
- 230000008859 change Effects 0.000 abstract description 5
- 230000009286 beneficial effect Effects 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 2
- 230000005389 magnetism Effects 0.000 description 6
- 230000009471 action Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process 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 and successively delivering three kinds of liquid medicines, which comprises a joint, a first liquid medicine pipe, a second liquid medicine pipe and a third liquid medicine pipe; 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 inside the joint to form a junction 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 head; a first metal baffle 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 by the first metal baffle; a second metal baffle for sealing the third liquid inlet channel is arranged in the third liquid inlet channel, and the third liquid inlet channel is opened after the liquid medicine in the second medicine bottle is conveyed by the second metal baffle. The invention has the beneficial effects that: the nursing staff does not need to change the medicine or check the transfusion condition continuously while ensuring the transfusion effect, thereby saving the labor cost.
Description
Technical Field
The invention relates to the field of medical instruments, in particular to an infusion apparatus capable of automatically and successively delivering three kinds of liquid medicines.
Background
In clinical treatment, it is often the case that a plurality of identical or different medical fluids are delivered to the same patient at one time. For the above situation, a nursing person generally finds out a corresponding bottle of liquid medicine and hangs the bottle of liquid medicine on an infusion support, and then inserts one bottle of liquid medicine into a liquid medicine tube for infusion of a patient, and when the first bottle of liquid medicine is completely delivered, the nursing person needs to insert the liquid medicine tube into a second bottle of liquid medicine, and so on until all liquid medicines are completely delivered. The above method has the following defects: when each bottle of liquid medicine is conveyed, a patient needs to call a nursing staff to change the medicine, or the nursing staff needs to check the transfusion condition regularly to change the liquid in time, so that on one hand, the transfusion treatment of the patient is influenced because the patient does not pay attention to the amount of the liquid medicine in the liquid medicine bottle, or the nursing staff is handling other work and the medicine is not changed in time; in addition, on the one hand, the nursing staff need constantly change the medicine or look over the infusion condition back and forth, greatly increased its work load, and then probably need more nursing staff just can accomplish this 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 set for automatically and successively delivering three kinds of liquid medicines.
the technical scheme for solving the technical problems is as follows: an infusion apparatus for automatically delivering three kinds of liquid medicines in sequence comprises a joint, a first liquid medicine pipe, a second liquid medicine pipe and a third liquid medicine pipe; a first liquid inlet channel, a second liquid inlet channel, a third liquid inlet channel and a liquid outlet channel are arranged in the joint, 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 inside the joint to form a junction end, the other end of the first liquid inlet channel vertically extends upwards to the top of the joint and then is upwards connected with a first medicine bottle through a first medicine liquid pipe, the other end of the second liquid inlet channel horizontally extends to one side of the joint and then is upwards connected with a second medicine bottle through a second medicine liquid pipe, the other end of the third liquid inlet channel horizontally extends to the other side of the joint and then is upwards connected with a third medicine bottle through a third medicine liquid pipe, and the other end of the liquid outlet channel is downwards connected with a needle for injecting medicine to a patient;
A first metal baffle 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; and a second metal baffle for sealing the third liquid inlet channel is arranged in the third liquid inlet channel, and the third liquid inlet channel is opened after the liquid medicine in the second medicine bottle is conveyed, so that the first medicine bottle, the second medicine bottle and the third medicine bottle can sequentially inject the liquid medicine to the patient through the liquid outlet channel.
The invention has the beneficial effects that: carry many bottles of the same or different liquid medicines to same patient, only need once with first liquid medicine pipe, second liquid medicine pipe and third liquid medicine pipe plug in respectively first medicine bottle, on second medicine bottle and the third medicine bottle, will carry first medicine bottle according to earlier at the in-process of infusion, carry the second medicine bottle again, carry the order of third medicine bottle at last and infuse, the nursing staff need not constantly make a round trip to change dressings or look over the infusion condition when guaranteeing the infusion effect, practice thrift the human cost.
On the basis of 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 sliding groove is vertically and downwards arranged in the joint and corresponds to the bottom of the second liquid inlet channel, and the upper end of the first sliding groove is communicated with the second liquid inlet channel; the first metal baffle is slidably positioned in the first chute so as to close or open the second liquid inlet channel, the first spring is positioned in the first chute and below the first metal baffle correspondingly, 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 joint, 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 mode and are close to the position of the junction end; the positive pole of the battery is connected with the first contact through a first lead, and the negative pole of the battery is connected with the second contact after passing through the first electromagnet through a second lead.
The technical scheme has the beneficial effects that when the first medicine bottle is used for transfusion, the first contact and the second contact are disconnected from each other due to the fact that no medicine liquid exists, so that the first electromagnet is powered off and loses the magnetism for adsorbing the first metal baffle, the first metal baffle is pulled down into the first sliding groove under the action of the first spring to open the second liquid inlet channel, and the second medicine bottle starts transfusion.
Furthermore, 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 outward-opening 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 advantages that the first metal baffle can be smoothly inserted into the upper part of the first clamping groove under the adsorption of the first electromagnet, and the reliability of sealing the second liquid inlet channel is further realized.
Further, the device also comprises a third contact, a fourth contact, a second electromagnet and a second spring; a second sliding groove is vertically and downwards arranged in the joint and at the bottom corresponding to the third liquid inlet channel, and the upper end of the second sliding groove is communicated with the third liquid inlet channel; the second metal baffle is slidably positioned in the second chute to close or open the third liquid inlet channel, the second spring is positioned in the second chute and below the second metal baffle correspondingly, 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;
The third contact and the fourth contact are respectively vertically and oppositely fixed on the inner wall of the second liquid inlet channel and correspond to the position of one side, far away from the junction end, of the second electromagnet; and the anode of the battery is connected with the third contact through a third lead, and the cathode of the battery is connected with the fourth contact after passing through the second electromagnet through a fourth lead.
The technical scheme has the beneficial effects that when the second medicine bottle is used for transfusion, the third contact and the fourth contact are disconnected from each other before electric connection because no medicine liquid exists, so that the second electromagnet is powered off and loses the magnetism for adsorbing the second metal baffle, the second metal baffle is pulled down into the second chute under the action of the second spring to open the third liquid inlet channel, and the third medicine bottle starts transfusion.
Furthermore, a second clamping groove is formed in the position, corresponding to the second metal baffle, of the bottom of the second electromagnet; the lower part of the second clamping groove is of an outward-opening 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 second metal baffle can be smoothly inserted into the upper part of 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 structural view of the present invention;
FIG. 2 is a schematic diagram of the battery electrically connected to a second electromagnet;
In the drawings, the components represented by the respective reference numerals are listed below:
1. The connector, 2, the first medicine liquid pipe, 3, the second medicine liquid pipe, 4, the third medicine liquid pipe, 5, the first liquid inlet channel, 6, the second liquid inlet channel, 7, the third liquid inlet channel, 8, the liquid outlet channel, 9, the first medicine bottle, 10, the second medicine bottle, 11, the third medicine bottle, 12, the first metal baffle, 13, the second metal baffle, 14, the first contact, 15, the second contact, 16, the first electromagnet, 17, the first spring, 18, the battery, 19, the first chute, 20, the first wire, 21, the second wire, 22, the first clamping groove, 23, the third contact, 24, the fourth contact, 25, the second electromagnet, 26, the second spring, 27, the second chute, 28, the third wire, 29, the fourth wire, 30, the second clamping groove.
Detailed Description
The principles and features of this invention are described below in conjunction with the following drawings, which are set forth by way of illustration only and are not intended to limit the scope of the invention.
As shown in fig. 1, an infusion apparatus for automatically delivering three kinds of medical liquids sequentially comprises a connector 1, a first medical liquid tube 2, a second medical liquid tube 3 and a third medical liquid tube 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 joint 1, one ends of the first liquid inlet channel 5, the second liquid inlet channel 6, the third liquid inlet channel 7 and the liquid outlet channel 8 are mutually communicated at the center inside the joint 1 to form a junction end, and the other end of the first liquid inlet channel 5 vertically extends upwards to the top of the joint 1 and then is connected with a first medicine bottle 9 upwards through the first medicine liquid pipe 2, the other end of the second liquid inlet channel 6 extends horizontally to one side of the joint 1 and then is connected with a second medicine bottle 10 upwards 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 joint 1 and then is connected with a third medicine bottle 11 upwards through the third medicine liquid pipe 4, and the other end of the liquid outlet channel 8 is connected with a needle for injecting medicine liquid to a patient downwards.
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 third liquid inlet channel 7 is opened after the liquid medicine in the second medicine bottle 10 is conveyed by the second metal baffle 13, so that the first medicine bottle 9, the second medicine bottle 10 and the third medicine bottle 11 sequentially pass through the liquid outlet channel 8 to inject the liquid medicine to the patient.
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 and downwards arranged in the joint 1 and at the bottom corresponding to the second liquid inlet channel 6, 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 sliding chute 19 to close or open the second liquid inlet channel 6, the first spring 17 is disposed in the first sliding chute 19 and below the first metal baffle 12, and two ends of the first spring are respectively connected to the lower end of the first metal baffle 12 and the bottom of the first sliding chute 19. The first electromagnet 16 is fixed at the top of the second liquid inlet channel 6 and corresponds to a position right above the first metal baffle 12.
The battery 18 is located at a corresponding position in the joint 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 at positions close to the merging end in a horizontally opposite manner. As shown in fig. 2, the positive pole of the battery 18 is connected to the first contact 14 through a first wire 20, and the negative pole thereof is connected to the second contact 15 through a second wire 21 passing through the first electromagnet 16. A first clamping groove 22 is formed at the bottom of the first electromagnet 16 corresponding to the first metal baffle 12. The lower part of the first locking groove 22 is a tapered structure which is flared outwards, and the upper part thereof 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. A second sliding groove 27 is vertically and downwards arranged in the joint 1 and at the bottom of the third liquid inlet channel 7, and the upper end of the second sliding groove 27 is communicated with the third liquid inlet channel 7. The second metal baffle 13 is slidably disposed in the second sliding groove 27 to close or open the third liquid inlet channel 7, the second spring 26 is disposed in the second sliding groove 27 and below the second metal baffle 13, and two ends of the second spring are respectively connected to a lower end of the second metal baffle 13 and a bottom of the second sliding groove 27. The second electromagnet 25 is fixed at the top of the third liquid inlet channel 7 and at a 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 vertically and oppositely and correspond to the position of the second electromagnet 25 far away from the merging end. The positive pole of the battery 18 is connected to the third contact 23 through a third wire 28, and the negative pole is connected to the fourth contact 24 through a fourth wire 29 after passing through the second electromagnet 25. A second clamping groove 30 is formed at the position, corresponding to the second metal baffle 13, of the bottom of the second electromagnet 25. The lower part of the second locking groove 30 is a tapered structure which is flared outwards, and the upper part of the second locking groove is a structure matched with the upper end of the second metal baffle 13.
The detailed working process of the infusion set is described in detail as follows:
When three bottles of liquid medicine need to be conveyed once, the corresponding liquid medicine, namely the first medicine bottle 9, the second medicine bottle 10 and the third medicine bottle 11, is taken out. Then, the first medicine bottle 9 is inserted into the first medicine liquid tube 2, the liquid delivery tube of the liquid outlet channel 8 of the connector 1 is observed, and the second medicine bottle 10 is inserted into the first medicine liquid tube 3 when the medicine liquid of the first medicine bottle 9 begins to flow out from the liquid outlet channel 8. Because the liquid medicine of the first medicine bottle 9 starts to flow out from the liquid outlet channel 8, the liquid medicine of the first medicine bottle 9 inevitably flows through the first liquid inlet channel 5, when the liquid medicine of 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 as to seal the second liquid inlet channel 6 (the lower end of the first metal baffle 12 is still in the first sliding groove 22), at this time, even if the second medicine bottle 10 is spliced with the second medicine liquid pipe 3, the liquid medicine in the second medicine bottle 10 cannot flow into the liquid outlet channel 8.
Then, observing the second liquid medicine tube 3, when the liquid medicine of the second medicine bottle 10 flows into the second liquid inlet channel 6 through the second liquid medicine tube 3 and the liquid medicine of the second medicine bottle 10 is not changed, inserting the third medicine bottle 11 and the third liquid medicine tube 4 together. Similarly, since the liquid medicine in the second medicine bottle 10 is not changed, the liquid medicine output from the second medicine bottle 10 has to reach the first metal baffle 12. When 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 stretch the second spring 26, the second metal baffle 13 slides upwards into the second clamping groove 30 of the second electromagnet 25 after being subjected to magnetic force, and therefore the third liquid inlet channel 7 is sealed (the lower end of the second metal baffle 13 is still located 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 cannot flow to the liquid outlet channel 8.
after the operations are performed, the first medicine liquid pipe 2, the second medicine liquid pipe 3 and the third medicine liquid pipe 4 are inserted into the first medicine bottle 9, the second medicine bottle 10 and the third medicine bottle 11 respectively, and the second liquid inlet channel 6 is closed by the first metal baffle plate 12 and the third liquid inlet channel 7 is closed by the second metal baffle plate 13 by the second medicine liquid pipe 3 and the third medicine liquid pipe 4, so that the first medicine bottle 9 starts to infuse, and no medicine liquid is output from the second medicine bottle 10 and the third medicine bottle 11.
When the infusion of the first medicine bottle 9 is finished, the first contact 14 and the second contact 15 are disconnected because no medicine 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 then the second medicine bottle 10 starts infusion.
When the transfusion of the second medicine bottle 10 is finished along with the continuous transfusion, the third contact 23 and the fourth contact 24 are disconnected because no medicine exists, the battery 18 stops supplying power to the second electromagnet 25, the second electromagnet 25 loses magnetism and no longer attracts the second metal baffle 13 upwards, the second metal baffle 13 is pulled downwards into the second sliding groove 27 under the action of the second spring 26, the third liquid inlet channel 7 is opened, and then the transfusion of the third medicine bottle 11 is started. And the whole infusion work is finished until the infusion of the third medicine bottle 11 is finished.
According to the principle, the infusion apparatus can be improved to automatically and successively deliver more than three kinds of liquid medicines by adding corresponding liquid medicine pipes, liquid inlet channels, electromagnet groups and the like so as to meet the requirements under different conditions.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (5)
1. An infusion apparatus capable of automatically delivering three kinds of liquid medicines in sequence is characterized by comprising a connector (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 joint (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 communicated with each other to form a junction end in the center of the interior of the joint (1), the other end of the first liquid inlet channel (5) vertically extends upwards to the top of the joint (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 joint (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 joint (1) and then is upwards connected with a third medicine bottle (11) through the third medicine liquid pipe (4), the other end of the liquid outlet channel (8) is downwards connected with a needle head for injecting liquid medicine to a patient;
A first metal baffle (12) for sealing the second liquid inlet channel (6) is arranged in the second liquid inlet channel (6), and the second liquid inlet channel (6) is opened by the first metal baffle (12) 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 third liquid inlet channel (7) is opened after the liquid medicine in the second medicine bottle (10) is conveyed by the second metal baffle (13), so that the first medicine bottle (9), the second medicine bottle (10) and the third medicine bottle (11) can sequentially inject the liquid medicine into a patient through the liquid outlet channel (8).
2. The infusion set for automatically delivering three liquid medicines in sequence according to claim 1, further comprising 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 and downwards arranged at the bottom of the joint (1) corresponding to the second liquid inlet channel (6), 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 sliding chute (19) to close or open the second liquid inlet channel (6), the first spring (17) is arranged in the first sliding chute (19) and corresponds to the lower part of 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 sliding 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 (12);
The battery (18) is positioned at a corresponding position in the joint (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) at positions close to the merging end in a horizontally opposite mode; the positive pole of the battery (18) is connected with the first contact (14) through a first lead wire (20), and the negative pole of the battery is connected with the second contact (15) after passing through the first electromagnet (16) through a second lead wire (21).
3. the infusion apparatus for automatically and sequentially delivering three kinds of liquid medicines according to claim 2, wherein a first clamping groove (22) is formed at the position, corresponding to the first metal baffle (12), of the bottom of the first electromagnet (16); the lower part of the first clamping groove (22) is of an outward-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 plate (12).
4. The infusion set for automatically delivering three liquid medicines in sequence according to claim 2, further comprising a third contact (23), a fourth contact (24), a second electromagnet (25) and a second spring (26); a second sliding chute (27) is vertically and downwards arranged in the joint (1) and at the bottom corresponding to the third liquid inlet channel (7), and the upper end of the second sliding chute (27) is communicated with the third liquid inlet channel (7); the second metal baffle (13) is slidably arranged in the second sliding groove (27) to close or open the third liquid inlet channel (7), the second spring (26) is arranged in the second sliding groove (27) and corresponds to the lower part of the second metal baffle (13), and two ends of the second spring are respectively connected with the lower end of the second metal baffle (13) and the bottom of the second sliding groove (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 (13);
The third contact (23) and the fourth contact (24) are respectively vertically and oppositely fixed on the inner wall of the second liquid inlet channel (6) and correspond to the position of the second electromagnet (25) far away from one side of the junction end; the positive pole of the battery (18) is connected with the third contact (23) through a third lead (28), and the negative pole of the battery is connected with the fourth contact (24) after passing through the second electromagnet (25) through a fourth lead (29).
5. the infusion apparatus for automatically and sequentially delivering three kinds of liquid medicines according to claim 4, wherein a second clamping groove (30) is formed at the position, corresponding to the second metal baffle (13), of the bottom of the second electromagnet (25); the lower part of the second clamping groove (30) is of an outward-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 |
|---|---|---|---|
| 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 true CN110538357A (en) | 2019-12-06 |
| CN110538357B CN110538357B (en) | 2024-02-06 |
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