CN111375102A - Multifunctional intelligent infusion device - Google Patents
Multifunctional intelligent infusion device Download PDFInfo
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- CN111375102A CN111375102A CN202010203539.2A CN202010203539A CN111375102A CN 111375102 A CN111375102 A CN 111375102A CN 202010203539 A CN202010203539 A CN 202010203539A CN 111375102 A CN111375102 A CN 111375102A
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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
- 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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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/168—Means for controlling media flow to the body or for metering media to the body, e.g. drip meters, counters ; Monitoring media flow to the body
- A61M5/16804—Flow controllers
- A61M5/16827—Flow controllers controlling delivery of multiple fluids, e.g. sequencing, mixing or via separate flow-paths
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/168—Means for controlling media flow to the body or for metering media to the body, e.g. drip meters, counters ; Monitoring media flow to the body
- A61M5/16831—Monitoring, detecting, signalling or eliminating infusion flow anomalies
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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
- A61M5/168—Means for controlling media flow to the body or for metering media to the body, e.g. drip meters, counters ; Monitoring media flow to the body
- A61M5/16877—Adjusting flow; Devices for setting a flow rate
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/168—Means for controlling media flow to the body or for metering media to the body, e.g. drip meters, counters ; Monitoring media flow to the body
- A61M5/16886—Means for controlling media flow to the body or for metering media to the body, e.g. drip meters, counters ; Monitoring media flow to the body for measuring fluid flow rate, i.e. flowmeters
- A61M5/1689—Drip counters
-
- 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
- A61M5/44—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 having means for cooling or heating the devices or media
- A61M5/445—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 having means for cooling or heating the devices or media the media being heated in the reservoir, e.g. warming bloodbags
-
- 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
- A61M2205/18—General characteristics of the apparatus with alarm
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- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Hematology (AREA)
- Vascular Medicine (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Veterinary Medicine (AREA)
- Heart & Thoracic Surgery (AREA)
- Public Health (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Fluid Mechanics (AREA)
- Physics & Mathematics (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The invention provides a multifunctional intelligent transfusion device, comprising: the infusion device comprises an infusion tube, wherein the upper end of the infusion tube is communicated with N branches, each branch is connected with an infusion bottle, and the N-1 branches are provided with liquid changing devices which are used for opening or closing the liquid conveying of the infusion bottle connected with the liquid changing devices; the lower end of the infusion tube is sequentially provided with a flow rate adjusting device, a flow rate measuring device, a dropper, a constant temperature heating device, a blood return detection device and a needle head; the liquid changing module, the flow speed regulating module, the flow speed measuring module, the constant-temperature heating module and the backflow measuring module are all connected with the single-chip microcomputer control module. The infusion device solves the problems that a nurse needs to change the liquid before the infusion, a patient or an accompanying person needs to keep guard all the time, and the liquid is too cold to cause discomfort to the patient in the infusion process, can monitor the infusion condition in real time, and sends an alarm to remind medical staff when abnormal infusion is performed.
Description
Technical Field
The invention relates to the technical field of medical equipment, in particular to a multifunctional intelligent infusion device.
Background
Hitherto, an infusion apparatus used by a patient during infusion generally comprises an infusion tube, a dropping speed regulator, a dropping kettle, an infusion tube, a three-way tube, a clamp and an infusion bag; hanging the infusion bag on an infusion apparatus bracket by using a hanging wire; the liquid medicine is infused into the blood through a needle head which is pricked into the vein of the patient by an infusion tube; the speed of the transfusion is adjusted by the clamping degree of the dripping speed adjuster; the prior infusion apparatus has the disadvantages that under the condition that a patient needs to continuously input a plurality of bags of infusion solution, when one bag of infusion solution is infused, a nurse needs to replace the other bag of infusion solution; in a hospital, a plurality of people in a ward are in transfusion at the same time, and the liquid is difficult to remember when the liquid is used up, so that patients or accompanying and attending are generally seen nearby all the time, but the situation of blood return and the like can be caused because the liquid is not used up because of carelessness if the patient is not careful; the cold liquid in the infusion process causes discomfort to patients.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a multifunctional intelligent infusion device.
A multi-functional intelligent infusion device, comprising: the infusion device comprises an infusion tube, wherein the upper end of the infusion tube is communicated with N branches, each branch is connected with an infusion bottle, and the N-1 branches are provided with liquid changing devices which are used for opening or closing the liquid conveying of the infusion bottle connected with the liquid changing devices;
the lower end of the infusion tube is sequentially provided with a flow rate adjusting device, a flow rate measuring device, a dropper, a constant temperature heating device, a blood return detection device and a needle head;
and the liquid changing module corresponding to the liquid changing device, the flow speed regulating module corresponding to the flow speed regulating device, the flow rate measuring module corresponding to the flow rate measuring device, the constant-temperature heating module corresponding to the constant-temperature heating device and the return flow measuring module corresponding to the return blood detecting device are all connected with the single-chip microcomputer control module.
Further, the multifunctional intelligent transfusion device as described above, the liquid changing device comprises: the flow velocity adjusting device comprises a flow velocity adjusting device shell, wherein a flow velocity adjusting driving wheel, a connecting key groove and a cam structure are arranged in the flow velocity adjusting device shell;
the flow velocity adjusting driving wheel is hinged with the cam structure through a connecting key groove, and the outer edge of the cam structure is propped against the infusion tube.
Further, the multifunctional intelligent transfusion device as described above, the liquid changing device comprises: the liquid changing device comprises a liquid changing device shell, wherein a pressure rod, a liquid changing device driving wheel and a driven wheel are arranged in the liquid changing device shell;
the bottom end of the pressure lever is hinged on the shell, the upper end of the pressure lever is provided with a pressing part, and the end part of the pressing part is propped against the infusion tube;
the center of the driven wheel is fixed with a cam, the outer edge of the cam is propped against the middle part of the pressure rod, and the driven wheel drives the driven wheel to rotate through a driving wheel of the liquid changing device.
Furthermore, as for the multifunctional intelligent transfusion device, a transfusion bag is arranged on the transfusion tube, and the transfusion bag is arranged between the convergence point of the N branches and the flow rate adjusting device.
Furthermore, the single-chip microcomputer control module is further connected with an input module and a display module.
Furthermore, the single-chip microcomputer control module of the multifunctional intelligent transfusion device is also connected with an alarm module.
Further, according to the multifunctional intelligent infusion device, the flow rate measuring device detects the number n of the passing liquid drops in unit time by using the photoelectric groove type optical coupling sensor, and the single chip microcomputer control module calculates the number of the passing liquid drops in unit time delta t to calculate the flow rate of the liquid.
Furthermore, as for the multifunctional intelligent transfusion device, the input module adopts an independent keyboard, so that a dripping speed interval is set, and a reset key is provided.
Furthermore, as for the multifunctional intelligent transfusion device, the blood return detection device adopts infrared geminate transistors to transmit and receive information, the information shields infrared light according to the change of blood backflow color to collect information, and the collected information is processed by the single-chip microcomputer control module.
Furthermore, according to the multifunctional intelligent infusion device, the display module adopts the LCD to display the information of the highest dropping speed, the lowest dropping speed and the instantaneous dropping speed.
Furthermore, according to the multifunctional intelligent transfusion device, the alarm module adopts the buzzer to realize the alarm function.
Has the advantages that:
the infusion device solves the problems that a nurse needs to change the liquid before the infusion, a patient or an accompanying nurse needs to keep guard all the time, the liquid is too cold to cause discomfort for the patient, the infusion condition can be monitored in real time, and an alarm is given to remind medical staff when abnormal infusion (blood return) occurs.
Drawings
FIG. 1 is a schematic structural diagram of a multifunctional intelligent infusion device module provided by the invention;
FIG. 2 is a schematic view of the position structure of the multifunctional intelligent transfusion device provided by the invention;
FIG. 3 is a structural diagram of a flow rate regulating device of the multifunctional intelligent infusion device provided by the invention;
FIG. 4 is a schematic structural view of a fluid changing device of the multifunctional intelligent infusion device provided by the invention in a state that a pressure lever is closed;
FIG. 5 is a schematic structural view of a fluid changing device of the multifunctional intelligent infusion device provided by the invention in a state that a pressure lever is opened;
reference numerals:
1-liquid changing module, 2-flow rate measuring module, 3-flow rate adjusting module, 4-constant temperature heating module, 5-backflow measuring module, 6-input module, 7-alarm module, 8-single chip microcomputer control module, 9-display module, 201-first infusion bottle, 202-second infusion bottle, 203-third infusion bottle, 11-first liquid changing device, 12-second liquid changing device, 204-infusion tube, 205-infusion bag, 21-flow rate adjusting device, 31-flow rate measuring device, 204-infusion tube, 206-dropper, 211-flow rate adjusting device shell, 212-flow rate adjusting driving wheel, 213-connecting key slot, 214-cam structure, 401-constant temperature heating device, 501-backflow detecting device, 207-needle, 101-pressure bar, 102-liquid changer shell, 103-liquid changer driving wheel, 104-driven wheel, 1011-pressing part.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention are described clearly and completely below, and it is obvious that the described embodiments are some, not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Fig. 1 is a schematic structural diagram of a multifunctional intelligent infusion device module provided by the invention, and as shown in fig. 1, the invention provides a multifunctional intelligent infusion device, which comprises:
the device comprises a flow rate measuring module 2, a reflux measuring module 5, an input module 6, a singlechip control module 8, a display module 9, an alarm module 7, a flow rate adjusting module 3, a liquid changing module 1, a constant temperature heating module 4 and corresponding devices;
the flow rate measuring module 2 is connected with the single chip microcomputer control module 8 and used for monitoring the flow rate in real time through the flow rate measuring device.
The flow rate adjusting module 3 is connected with the single chip microcomputer control module 8 and is used for performing acceleration adjustment (when the flow rate is lower than the minimum value of the interval), deceleration adjustment (when the flow rate is higher than the maximum value of the interval) and maintaining the current flow rate (when the flow rate is in the interval) through the flow rate adjusting device in a specified interval or not through the flow rate measuring device.
And the backflow measuring module 5 is connected with the singlechip control module 8 and is used for monitoring the backflow situation in real time through the backflow measuring device.
The input module 6 is connected with the single chip microcomputer control module 8 and is used for inputting parameters and resetting functions; the display module 9 is connected with the single-chip microcomputer control module 8 and is used for displaying the current infusion state; the liquid changing module 1 is connected with the single chip microcomputer control module 8 and is used for carrying out liquid changing operation through a liquid changing device; the alarm module 7 is connected with the single chip microcomputer control module 8 and is used for giving an alarm and informing medical staff when abnormal infusion occurs; the constant-temperature heating module 4 is connected with the single-chip microcomputer control module 8 and is used for heating liquid at constant temperature; the single-chip microcomputer control module 8 is connected with the flow rate measuring module 2, the backflow measuring module 5, the display module 9, the alarm module 7, the flow rate adjusting module 3, the liquid changing module 1 and the constant-temperature heating module 4, and is used for storing, processing and analyzing data information transmitted by the flow rate measuring module and the backflow measuring module and controlling each module to work normally.
As shown in fig. 2, the respective devices include the necessary infusion devices: the related device of the invention comprises: a first liquid changing device 11, a second liquid changing device 12, a flow rate adjusting device 21, a flow rate measuring device 31, a constant temperature heating device 401 and a blood return detecting device 501; and the infusion necessary device comprises: a first infusion bottle 201, a second infusion bottle 202, a third infusion bottle 203, an infusion tube 204, an infusion bag 205, a dropper 206 and a needle 207.
The flow rate measuring module 31 corresponds to a flow rate measuring device, and is used for detecting the number n of liquid drops passing through (the volume V of each liquid drop is constantly 1ml) by using a photoelectric groove type optical coupling sensor, calculating the number of liquid drops passing through in unit time by using a single chip microcomputer control module, and expressing the flow rate by using the drop speed.
The single chip microcomputer control module 8 stores, processes and analyzes data information transmitted by the flow rate measuring module, controls the flow rate adjusting module to work, corresponds to the flow rate adjusting device, and controls the driving device to rotate (rotate forwards to perform acceleration adjustment, rotate backwards to perform deceleration adjustment, and keep the current flow rate;
the liquid changing module 1 corresponds to a liquid changing device, the liquid changing device is in an initial state that the pressure rod is closed, and when the singlechip control module 8 sends a liquid changing instruction, the driving device reversely rotates the pressure rod to be opened, and liquid medicine is discharged to realize liquid changing operation.
The input module 6 adopts an independent keyboard, realizes setting of a dripping speed interval and provides a reset key.
The constant-temperature heating module 4 corresponds to the constant-temperature heating device 401, and the constant-temperature heating device 401 needs to be placed between the blood return detection device 501 and the flow rate regulating device 21.
Specifically, the heating device used in the present application is a clip-type heating device to clip the infusion tube, heat the tube, indirectly heat the flowing liquid, place the infusion needle at a short distance (between the blood return detection device 501 and the flow rate adjustment device 21), and the temperature of the liquid drops slightly, so that the required temperature is easily reached.
The backflow detection module 5 corresponds to the blood return detection device 501, infrared geminate transistors are adopted for transmitting and receiving, infrared light is shielded according to the change of blood backflow color, and the signal is detected by the single chip microcomputer control module to interrupt and alarm.
The display module 9 adopts an LCD to display the information of the highest dripping speed, the lowest dripping speed, the instantaneous dripping speed and the like. The alarm module 7 adopts a buzzer to realize an alarm function.
As shown in fig. 3, the flow rate adjusting device structure of the present invention includes: an adjustable flow rate device housing 211, in which an adjustable flow rate drive wheel 212, a coupling key groove 213, and a cam structure 214 are mounted;
the flow rate adjusting driving wheel 212 is hinged with a cam structure 214 through a connecting key slot 213, and the outer edge of the cam structure 214 abuts against the infusion tube 204.
As shown in fig. 4 and 5, the liquid changing device structure of the invention comprises: a liquid changer casing 102, in which a pressing lever 101, a liquid changer driving wheel 103, and a driven wheel 104 are mounted;
the bottom end of the pressure lever 101 is hinged on the shell 102, the upper end of the pressure lever is provided with a pressing part 1011, and the end part of the pressing part 1011 props against the infusion tube 204;
a cam is fixed at the center of the driven wheel 104, the outer edge of the cam is propped against the middle part of the pressure rod 101, and the driven wheel 104 is driven to rotate by the driving wheel 103 of the liquid changing device.
In the present embodiment, the first infusion bottle 201, the second infusion bottle 202, and the third infusion bottle 203 are exemplified as the case where 3 bottles of medical solution need to be infused;
medical personnel input a proper dripping speed interval through the input module 6; the display module 9 displays the dripping speed interval;
firstly, the liquid medicine in the first infusion bottle 201 is delivered, at the moment, the liquid changing devices at the lower ends of the second infusion bottle 202 and the third infusion bottle 203 are both in a pressure rod closing state, and the liquid medicine flows through the infusion tube 204 and the infusion bag 205 and reaches the flow rate measuring device 31 above the dropper 206;
the singlechip control module 8 stores, processes and analyzes the data information transmitted by the flow rate measuring module 2, and controls the display module 9 to display the instantaneous flow rate and control the flow rate adjusting module 3 to work (when the flow rate is lower than the minimum value of the interval, the acceleration is adjusted, when the flow rate is higher than the maximum value of the interval, the deceleration is adjusted, and when the flow rate is in the interval, the current flow rate is kept);
the flow velocity adjusting module 3 corresponds to the flow velocity adjusting device 21, and controls the flow velocity adjusting driving wheel 212 to drive the cam structure 214 to rotate through the connecting key slot 213 (forward rotation is used for acceleration adjustment, reverse rotation is used for deceleration adjustment, and the current flow velocity is kept;
the constant-temperature heating module 4 is started when the infusion is started, and controls the constant-temperature heating device 401 to work;
the backflow detection device 501 corresponds to the backflow detection module 5, the backflow detection module 5 is connected with the single chip microcomputer control module 8 and transmits information whether backflow occurs or not in real time to the single chip microcomputer control module 8 (when backflow is not detected, the current situation is kept, detection is continued, when the backflow situation is detected, the information is transmitted to the single chip microcomputer control module 8, the single chip microcomputer control module 7 is controlled by the information, and an alarm is given out);
when the liquid medicine in the first infusion bottle 201 is infused completely, and the flow rate measured by the flow rate measuring device 31 is 0, the information is transmitted to the singlechip control module 8 through the flow rate measuring module 2 for processing and analysis, a liquid changing instruction is made to the liquid changing module 1, and the liquid changing module 1 makes a pressing rod opening instruction (realized by the reverse rotation of the liquid changing device driving wheel 103) to the first liquid changing device 11; and (4) making a current state keeping instruction for the second liquid changing device 12 to realize the first liquid changing operation.
When the liquid medicine in the second infusion bottle 202 is infused completely, and the flow rate measured by the flow rate measuring device 31 is 0, the information is transmitted to the single chip microcomputer control module 8 through the flow rate measuring module 2 for processing and analysis, a liquid changing instruction is made to the liquid changing module 1, and the liquid changing module 1 makes a pressing rod opening instruction (realized by the reverse rotation of the liquid changing device driving wheel 103) to the second liquid changing device 12 to realize the second liquid changing operation.
When the liquid medicine in the third infusion apparatus 203 is completely infused, and the flow rate measured by the flow rate measuring device 31 is 0, the information is transmitted to the single-chip microcomputer control module 8 for processing and analysis through the flow rate measuring module 2, the control alarm module 7 gives an alarm to inform medical staff that the infusion is completed, and the medical staff presses down a reset key, so that the apparatus returns to an initial state, and the infusion is formally completed.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. A multifunctional intelligent infusion device, comprising: the infusion device comprises an infusion tube (201), wherein the upper end of the infusion tube (204) is communicated with N branches, each branch is connected with an infusion bottle, and the N-1 branches are provided with liquid changing devices which are used for opening or closing the liquid conveying of the infusion bottle connected with the liquid changing devices;
a flow rate adjusting device (21), a flow rate measuring device (31), a dropper (206), a constant temperature heating device (401), a blood return detection device (501) and a needle (207) are sequentially arranged at the lower end of the infusion tube (204);
the liquid changing module (1) corresponding to the liquid changing device, the flow rate adjusting module (3) corresponding to the flow rate adjusting device (21), the flow rate measuring module (2) corresponding to the flow rate measuring device (31), the constant temperature heating module (4) corresponding to the constant temperature heating device (401), and the flow measuring module (5) corresponding to the blood return detection device (501) are all connected with the single chip microcomputer control module (8).
2. The multi-functional intelligent infusion device of claim 1, wherein said fluid exchange device comprises: a flow rate adjusting device housing (211), wherein a flow rate adjusting driving wheel (212), a connecting key groove (213) and a cam structure (214) are arranged in the flow rate adjusting device housing (211);
the flow rate adjusting driving wheel (212) is hinged with the cam structure (214) through a connecting key slot (213), and the outer edge of the cam structure (214) is propped against the infusion tube (204).
3. The multi-functional intelligent infusion device of claim 1, wherein said fluid exchange device comprises: a liquid changing device shell (102), wherein a pressure lever (101), a liquid changing device driving wheel (103) and a driven wheel (104) are arranged in the liquid changing device shell (102);
the bottom end of the pressure lever (101) is hinged on the shell (102), the upper end of the pressure lever is provided with a pressing part (1011), and the end part of the pressing part (1011) is propped against the infusion tube (204);
a cam is fixed at the center of the driven wheel (104), the outer edge of the cam is propped against the middle part of the pressure rod (101), and the driven wheel (104) is driven to rotate by a driving wheel (103) of the liquid changing device.
4. The multifunctional intelligent infusion device as claimed in claim 1, wherein an infusion bag (205) is arranged on the infusion tube (204), and the infusion bag (205) is arranged between the convergence point of the N branches and the flow rate regulation device (21).
5. The multifunctional intelligent infusion device as claimed in claim 1, wherein the single-chip microcomputer control module (8) is further connected with an input module (6), a display module (9) and an alarm module (7).
6. The multifunctional intelligent infusion device as claimed in claim 1, wherein the flow rate measuring device (31) detects the number n of the passing drops per unit time by a photoelectric groove type optical coupling sensor, and the single-chip microcomputer control module (8) calculates the number of the passing drops per unit time Δ t to calculate the flow rate of the liquid.
7. The multifunctional intelligent infusion device as claimed in claim 5, wherein the input module (6) is a stand-alone keyboard, which realizes setting of the dripping speed interval and provides a reset button.
8. The multifunctional intelligent transfusion device according to claim 1, wherein the blood return detection device (501) adopts infrared pair tube to transmit and receive information, the information shields infrared light according to the change of blood backflow color to collect information, and the collected information is processed by the single chip microcomputer control module (8).
9. The multifunctional intelligent infusion device as claimed in claim 5, wherein the display module (9) is implemented by using an LCD (liquid crystal display) screen to display the information of the highest dropping speed, the lowest dropping speed and the instantaneous dropping speed.
10. The multifunctional intelligent infusion device of claim 1, wherein the constant temperature heating device (401) is placed between the blood return detection device (501) and the flow rate regulating device (21).
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| CN202010203539.2A CN111375102A (en) | 2020-03-20 | 2020-03-20 | Multifunctional intelligent infusion device |
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| CN202010203539.2A CN111375102A (en) | 2020-03-20 | 2020-03-20 | Multifunctional intelligent infusion device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112295041A (en) * | 2020-10-30 | 2021-02-02 | 东莞理工学院 | Intelligent transfusion system |
| CN113198067A (en) * | 2021-06-03 | 2021-08-03 | 浙大城市学院 | Automatic medical care monitoring system |
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Application publication date: 20200707 |