CN111467605A - Disposable infusion apparatus with prompting and automatic infusion stopping functions and control method thereof - Google Patents
Disposable infusion apparatus with prompting and automatic infusion stopping functions and control method thereof Download PDFInfo
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- CN111467605A CN111467605A CN202010291484.5A CN202010291484A CN111467605A CN 111467605 A CN111467605 A CN 111467605A CN 202010291484 A CN202010291484 A CN 202010291484A CN 111467605 A CN111467605 A CN 111467605A
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- 238000001802 infusion Methods 0.000 title claims abstract description 87
- 238000000034 method Methods 0.000 title claims abstract description 21
- 239000007788 liquid Substances 0.000 claims abstract description 253
- 238000001514 detection method Methods 0.000 claims abstract description 124
- 238000007789 sealing Methods 0.000 claims description 19
- 238000012544 monitoring process Methods 0.000 claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 230000003340 mental effect Effects 0.000 abstract description 5
- 238000004891 communication Methods 0.000 description 8
- 238000004026 adhesive bonding Methods 0.000 description 6
- 239000008280 blood Substances 0.000 description 6
- 210000004369 blood Anatomy 0.000 description 6
- 239000003814 drug Substances 0.000 description 5
- 230000000474 nursing effect Effects 0.000 description 3
- 239000002390 adhesive tape Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000001990 intravenous administration Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/168—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
- A61M5/1684—Monitoring, detecting, signalling or eliminating infusion flow anomalies by detecting the amount of infusate remaining, e.g. signalling end of infusion
-
- 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
-
- 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
- A61M2205/186—General characteristics of the apparatus with alarm the sound being acoustically amplified, e.g. by resonance
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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 discloses a disposable infusion apparatus with prompting and automatic infusion stopping functions and a control method thereof, and the disposable infusion apparatus comprises an upper dropping liquid pipe, a lower dropping liquid pipe, an upper flow regulator, a lower flow regulator and a dropping liquid device, wherein a self-plugging mechanism is arranged in a cavity of the dropping liquid device, the self-plugging mechanism comprises a limiting pipe, the first end of the limiting pipe is arranged on the wall of the inner cavity at the liquid outlet side of the dropping liquid device, a floating block is arranged in the limiting pipe, and a liquid outlet is communicated with the cavity of the limiting pipe; the liquid dropping device is provided with a liquid level detection mechanism, and the liquid level detection mechanism comprises a liquid level sensor and a detection control assembly; according to the control method, after receiving the alarm information sent by the liquid level detection mechanism, the medical staff can timely handle the infusion problem, whether the infusion is completed or too fast, and the like, so that the situation that the medical staff or the family members of the patient need to accompany the patient for infusion all the time is avoided, medical resources cannot be effectively allocated, and the mental pressure and the physical burden of the medical staff, the patient and the accompanying staff are reduced.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to a disposable infusion apparatus with functions of prompting and automatically stopping infusion and a control method thereof.
Background
The drip infusion apparatus is a medical apparatus for intravenous administration to a patient, when carrying out drip infusion, a nursing staff needs the administration situation of a patient or an attendant to provide a medicament in a matching way, such as whether the medicament is dripped off or not or the medicament in the infusion apparatus is not smoothly flowing, so that the nursing staff can complete corresponding infusion operation, but due to negligence of the patient or the attendant, particularly during the time period from night to early morning, when the patient or the attendant is tired, the problems of transfusion such as the medicament is not smoothly flowing, the phenomenon of blood return after the medicament is dripped off and the like are easy to occur, which not only brings mental pressure and physical burden to the nursing staff, the patient and the attendant, but also brings threat to the life safety of the patient, therefore, a disposable infusion apparatus with the functions of prompting and automatic stopping of infusion and a control method thereof are needed, the infusion apparatus can automatically stop infusion when the patient finishes the infusion, prevent blood backflow and give a transfusion completion prompt.
Disclosure of Invention
The invention provides a disposable infusion apparatus with prompting and automatic infusion stopping functions and a control method thereof, when a patient finishes infusion, infusion is automatically stopped, blood backflow is prevented, an infusion finishing prompt is given, or an infusion problem occurs, and a medical worker can timely receive the prompt to process the infusion problem, so that the mental pressure and the physical burden of the medical worker, the patient and a caregiver are relieved.
In order to achieve the purpose, the invention specifically comprises the following contents:
the utility model provides a disposable transfusion system with suggestion and automatic shutdown infusion function, includes dropping liquid pipe, lower dropping liquid pipe, goes up flow regulator, lower flow regulator and dropping liquid ware, the inlet of dropping liquid ware is connected go up the dropping liquid pipe, the liquid outlet of dropping liquid ware is connected lower dropping liquid pipe, it sets up to go up flow regulator on the last dropping liquid pipe, lower flow regulator sets up on the lower dropping liquid pipe, its key lies in:
the utility model discloses a drip chamber, including the drip chamber, be provided with in the drip chamber intracavity and from sealing mechanism, should seal the mechanism from sealing mechanism and include spacing pipe, the first end setting of spacing pipe is in on the inner chamber wall of the liquid outlet side of drip chamber, be provided with the kicking block in the spacing pipe, the shape of this kicking block with the shape of liquid outlet suits, the second end port of spacing pipe is provided with the stopper, the liquid outlet with the lumen intercommunication of spacing pipe.
At least one overflowing strip-shaped hole is formed in the wall of the limiting pipe, and the limiting pipe cavity is communicated with the inner cavity of the drip chamber through the overflowing strip-shaped hole.
The dropping device is provided with a liquid level detection mechanism, the liquid level detection mechanism comprises a liquid level sensor and a detection control assembly, and the liquid level sensor is fixed on the outer cavity wall of the dropping device.
By adopting the design, the self-plugging mechanism is arranged in the liquid dropper, and the floating block in the self-plugging mechanism is kept away from the liquid outlet according to the liquid level of the liquid dropper through the buoyancy of the floating block in the self-plugging mechanism when the liquid dropper normally infuses, so that the liquid outlet is kept smooth and normal infusion is realized; when the liquid level drops, the floating block blocks the liquid outlet along with the drop of the liquid level, the transfusion is stopped, and the blood return is prevented; the floating stroke of the floating block can be limited through the limiting pipe, so that the floating block can be accurately matched with the liquid outlet when the floating block descends along with the liquid level, and the liquid outlet is sealed; the limiting block arranged on the limiting pipe prevents the floating block from influencing the liquid inlet of the liquid dropper to feed liquid along with the rise of the liquid level; the liquid level sensor of the liquid level detection mechanism detects liquid in the drip device, and the liquid level in the drip device is prompted to exceed a set range through the detection control assembly, so that medical workers are reminded to check the transfusion condition, and the mental pressure and the physical burden of the medical workers, patients and accompanying personnel are relieved.
Further, a conical surface hole communicated with the liquid outlet is formed in the inner cavity wall of the liquid dropping device on the liquid outlet side, and the axial line of the conical surface hole is coincident with the axial line of the limiting pipe.
The first end face of the floating block close to the liquid outlet extends out of a sealing round table, the side face of the sealing round table is matched with the side wall of the conical hole, the floating block floats to the first end port of the limiting pipe, and the sealing round table and the conical hole are matched with each other to block the liquid outlet.
By adopting the scheme, the liquid outlet in the cavity of the liquid dropper is designed into the conical surface hole, and the sealing circular truncated cone on the first end surface of the floating block and the conical surface hole are matched with each other to seal the liquid outlet; the conical surface of the conical surface hole plays a guiding role when the floating block is in butt joint with the conical surface hole, and the sealing effect of the liquid outlet and the floating block can be improved.
Further describing, an anti-sticking convex block extends from one side face of the limiting block close to the floating block, the floating block floats to the second end port of the limiting pipe, and the second end face of the floating block, far away from the liquid outlet, is abutted to the anti-sticking convex block.
By adopting the scheme, when the floating block floats to the pipe orifice of the limiting pipe, the floating block cannot be tightly attached to the limiting block, so that the liquid outlet cannot be blocked along with the falling of the liquid level because the floating block is still attached to the limiting block when the liquid level falls; through recess and antiseized lug and mutually supporting, can not lead to the kicking block slope because of antiseized lug butt, when the influence descends to spacing pipe first port, can not mutually support with the liquid outlet.
Still further, the installation height of the limiting pipe on the dripper is lower than the installation height of the liquid level sensor on the dripper.
By adopting the scheme, the floating block in the limiting pipe is prevented from influencing the detection data of the liquid level sensor.
Still further, the dripper is provided with at least one detection position of the liquid level sensor on the outer cavity wall.
The liquid level sensor is provided with a thread gluing belt, one end of the thread gluing belt is fixed on the liquid level sensor, the other end of the thread gluing belt is sequentially provided with a thorn hair section and a round hair section, the liquid level sensor is attached to the outer cavity wall of the drip device through the thread gluing belt, and the thread gluing belt is matched with the thorn hair section and the round hair section of the thread gluing belt to fix the liquid level sensor on a detection position of the outer cavity wall of the drip device.
By adopting the scheme, the liquid level sensor is arranged at the detection position of the outer cavity wall of the drip device through the adhesive tape, and the detection position is adaptively selected according to the transfusion condition of a patient.
Still further, the density of the sealing circular truncated cone is greater than or equal to that of the floating block, and the density of the floating block is less than that of water.
By adopting the scheme, the floating block can float and rise along with the rise of the liquid and float and fall along with the fall of the liquid level; and the density of the sealing round table is greater than that of the floating block, so that the sealing round table always faces the liquid outlet.
Still further describe, the liquid level detection mechanism is provided with a liquid level alarm circuit, and this liquid level alarm circuit includes the control unit and the detecting element, the signal input part of the control unit is connected the signal output part of the detecting element, the control unit sets up on the detection control subassembly, the detecting element sets up on level sensor.
The control unit comprises a controller U1, a signal input end of the controller U1 is used as a signal input end of the detection control assembly, a power supply end of the controller U1 is connected with a power supply E through a liquid level monitoring switch K, a grounding end of the controller U1 is grounded, a control output end of the controller U1 is connected with an anode of a diode indicator lamp D, a cathode of the diode indicator lamp D is grounded, and a control output end of the controller U1 is grounded through a buzzer F.
And the signal output end of the liquid level sensor is used as the signal output end of the detection unit.
By adopting the scheme, the liquid level sensor detects whether liquid exists at the detection position of the liquid dropper, if so, the liquid infusion is normal, and the control unit does not send alarm information; otherwise, the infusion is abnormal, and the control unit sends alarm information to remind medical personnel and deal with the infusion problem.
The control method of the disposable infusion apparatus with the functions of prompting and automatically stopping infusion is characterized by comprising the steps of:
s1: the patient normally carries out transfusion, the liquid level sensor is arranged at the detection position of the liquid dropper, the liquid level sensor sets the detection period, the controller U1 of the detection control assembly sets the alarm threshold number and the alarm release threshold number, and the liquid level monitoring switch K of the detection control assembly is closed to monitor the liquid level of the liquid dropper.
S2: the liquid level sensor detects the liquid level of the liquid dropper, and the controller U1 reads a detection signal of the liquid level sensor; the controller U1 judges whether the detection signal exceeds the alarm threshold number, if yes, the step S3 is executed; otherwise, return to step S2.
S3: the controller U1 controls the detection control assembly to send alarm information, medical staff receives the alarm information and processes the infusion problem, if the infusion is finished, the liquid level monitoring switch K is disconnected, the liquid level detection mechanism is powered off and stops alarming; otherwise, the medical staff adjusts the liquid level of the drip chamber and goes to step S4.
S4: the controller U1 continuously acquires the detection signal of the liquid level sensor, the controller U1 judges whether the detection signal exceeds the alarm release threshold number, if yes, the liquid level detection mechanism releases the alarm, and the step S2 is returned; otherwise, the medical staff adjusts the liquid level of the drip chamber again and returns to the step S4.
Still further, the liquid level sensor is mounted on the detection position of the outer cavity wall of the drip chamber through a fastening tape.
The liquid level sensor sets the detection period to be X seconds.
The controller U1 sets the alarm threshold number to Y times.
The controller U1 sets the alarm release threshold number to Z times.
Describing further, the liquid level sensor judges whether water exists at the detection position of the liquid dropper, and if so, a signal output end of the liquid level sensor outputs a high level; otherwise, the signal output end of the liquid level sensor outputs low level.
The controller U1 of the detection control assembly reads a detection signal of the liquid level sensor, if the number of times of reading the low level exceeds a set alarm threshold number for Y times, the output end of the controller U1 outputs the high level, and the detection control assembly sends alarm information to enable a diode indicator lamp D in the detection control assembly to flicker and a buzzer F in a vibration mode to sound; otherwise, the output of the controller U1 outputs a low level, and the detection control component does not issue an alarm message.
The medical staff adjusts the liquid level of the drip device, the controller U1 continues to acquire the detection signal of the liquid level sensor, if the number of times of reading the high level exceeds the set alarm release threshold value for Z times, the detection control assembly releases the alarm, so that the diode indicator lamp D does not flicker, and the buzzer F does not vibrate to sound; otherwise, the detection control assembly continuously sends out alarm information.
By adopting the scheme, when the patient adopts the disposable infusion apparatus with the functions of prompting and automatically stopping infusion to infuse, the medical staff can monitor the infusion of the patient according to the control method of the disposable infusion apparatus with the functions of prompting and automatically stopping infusion, and after receiving alarm information sent by the liquid level detection mechanism, the infusion problem is timely handled, and the problems of completion of the infusion, too fast infusion and the like are solved, so that the situation that the medical staff or family members of the patient need to accompany the infusion of the patient all the time and the medical resources cannot be effectively allocated is avoided.
The invention has the beneficial effects that: by arranging the self-plugging mechanism in the liquid dropper, the floating block is far away from the liquid outlet according to the liquid level of the liquid dropper when the liquid dropper normally infuses through the buoyancy of the floating block in the self-plugging mechanism, so that the liquid outlet is kept smooth and normal infusion is realized; when the liquid level drops, the floating block blocks the liquid outlet along with the drop of the liquid level, and the transfusion is stopped to prevent blood return; the floating stroke of the floating block can be limited through the limiting pipe, so that the floating block can be accurately matched with the liquid outlet when the floating block descends along with the liquid level, and the liquid outlet is sealed; the limiting block arranged on the limiting pipe can prevent the floating block from influencing the liquid inlet of the liquid dropper along with the rise of the liquid level; a liquid level sensor of the liquid level detection mechanism detects liquid in the drip device, and then the detection control assembly prompts that the liquid level in the drip device exceeds a set range, so as to prompt medical personnel to check the transfusion condition; according to the control method, after receiving the alarm information sent by the liquid level detection mechanism, the medical staff can timely handle the infusion problem, whether the infusion is completed or too fast, and the like, so that the situation that the medical staff or the family members of the patient need to accompany the patient for infusion all the time is avoided, medical resources cannot be effectively allocated, and the mental pressure and the physical burden of the medical staff, the patient and the accompanying staff are reduced.
Drawings
FIG. 1 is a structural view of the disposable infusion set of the present invention;
FIG. 2 is a partial view of the disposable infusion set of the present invention;
FIG. 3 is a block diagram of the liquid level alarm circuit of the disposable infusion set of the present invention;
FIG. 4 is a circuit diagram of the liquid level alarm circuit of the disposable infusion set of the present invention;
fig. 5 is a flow chart of the control method of the disposable infusion set in the invention.
Detailed Description
The following provides a more detailed description of the embodiments and the operation of the present invention with reference to the accompanying drawings.
As can be seen from fig. 1, 2 and 3, the disposable infusion apparatus with the functions of prompting and automatically stopping infusion comprises an upper dropping pipe 1, a lower dropping pipe 4, an upper flow regulator 2, a lower flow regulator 5 and a dropping unit 3, wherein an inlet of the dropping unit 3 is connected with the upper dropping pipe 1, an outlet 34 of the dropping unit is connected with the lower dropping pipe 4, the upper flow regulator 2 is arranged on the upper dropping pipe 1, and the lower flow regulator 5 is arranged on the lower dropping pipe 4.
A self-plugging mechanism is arranged in the cavity of the liquid dropper 3, the self-plugging mechanism comprises a limiting pipe 31, the first end of the limiting pipe 31 is arranged on the wall of the inner cavity on the liquid outlet side of the liquid dropper 3, a floating block 32 is arranged in the limiting pipe 31, the shape of the floating block 32 is matched with that of the liquid outlet 34, a limiting block 36 is arranged at the port of the second end of the limiting pipe 31, and the liquid outlet 34 is communicated with the cavity of the limiting pipe 31.
In this embodiment, four overflowing strip-shaped holes 33 are formed in the wall of the limiting pipe 31, the four overflowing strip-shaped holes are uniformly formed in the limiting pipe respectively, each overflowing strip-shaped hole is formed in a hole to the first end port of the limiting pipe, and the cavity of the limiting pipe 31 is communicated with the cavity of the drip chamber 3 through the overflowing strip-shaped holes 33.
The dripper 3 is provided with a liquid level detection mechanism 6, the liquid level detection mechanism 6 comprises a liquid level sensor 61 and a detection control component 62, and the liquid level sensor 61 is fixed on the outer cavity wall of the dripper 3.
As can be seen from fig. 1 and 2, the inner cavity wall of the liquid outlet side of the drip chamber 3 is provided with a conical hole communicated with the liquid outlet 34, and the axial line of the conical hole coincides with the axial line of the limiting tube 31.
A first end face, close to the liquid outlet 34, of the floating block 32 extends out of a sealing circular truncated cone, the side face of the sealing circular truncated cone is matched with the side wall of the conical hole, the floating block 32 floats to the first end port of the limiting pipe 31, and the sealing circular truncated cone and the conical hole are matched with each other to block the liquid outlet 34.
As can be seen from fig. 1 and 2, an anti-sticking bump 35 extends from one side of the limiting block 36 close to the floating block 32, the floating block 32 floats to the second end port of the limiting tube 31, and the second end face of the floating block 32 far from the liquid outlet 34 abuts against the anti-sticking bump 35.
As can be seen from fig. 1 and 2, the mounting height of the limiting tube 31 on the drip chamber 3 is lower than the mounting height of the level sensor 61 on the drip chamber 3.
As can be seen from fig. 1 and fig. 2, in this embodiment, the dropping device 3 is provided with three detection positions of the liquid level sensor 61 on the outer cavity wall, where the three detection positions are a fast flow rate detection position, a medium flow rate detection position, and a low flow rate detection position.
The liquid level sensor 61 is provided with a fastening tape 63, one end of the fastening tape 63 is fixed on the liquid level sensor 61, the other end of the fastening tape 63 is sequentially provided with a barbed hair section and a round hair section, the liquid level sensor 61 is attached to the outer cavity wall of the drip emitter 3 through the fastening tape 63, the fastening tape 63 is matched with the round hair section through the barbed hair section of the fastening tape 63, and the liquid level sensor 61 is fixed on one of three detection positions of the outer cavity wall of the drip emitter 3.
As can be seen from fig. 1 and 2, in the present embodiment, the density of the sealing circular truncated cone is greater than or equal to that of the floating block, and the density of the floating block is less than that of water; the floating block and the sealing circular truncated cone extended from the floating block are made of transparent rubber.
As can be seen from fig. 1 and 2, in this embodiment, the outer chamber wall on the inlet side of the drip chamber 3 is further provided with a filling opening 37.
As can be seen from fig. 1 and 2, the liquid level detection mechanism 6 is provided with a liquid level alarm circuit, which includes a control unit and a detection unit, wherein a signal input end of the control unit is connected with a signal output end of the detection unit, the control unit is arranged on the detection control component 62, and the detection unit is arranged on the liquid level sensor 61.
The control unit comprises a controller U1, a signal input end of the controller U1 is used as a signal input end of the detection control component 62, a power supply end of the controller U1 is connected with a power supply E through a liquid level monitoring switch K, a grounding end of the controller U1 is grounded, a control output end of the controller U1 is connected with an anode of a diode indicator lamp D, a cathode of the diode indicator lamp D is grounded, and a control output end of the controller U1 is grounded through a buzzer F.
The signal output of the level sensor 61 serves as the signal output of the detection unit.
As can be seen from fig. 1 to 5, a control method for a disposable infusion apparatus with infusion prompting and automatic stopping functions comprises the steps of:
s1: the patient normally carries out transfusion, the liquid level sensor 61 is arranged at the detection position of the drip device 3, the liquid level sensor 61 sets the detection period, the controller U1 of the detection control assembly 62 sets the alarm threshold value number and the alarm release threshold value number, and the liquid level monitoring switch K of the detection control assembly 62 is closed to monitor the liquid level of the drip device 3.
S2: the liquid level sensor 61 detects the liquid level of the drip container 3, and the controller U1 reads a detection signal of the liquid level sensor 61; the controller U1 judges whether the detection signal exceeds the alarm threshold number, if yes, the step S3 is executed; otherwise, return to step S2.
S3: the controller U1 controls the detection control assembly 62 to send out alarm information, medical staff receives the alarm information and processes the infusion problem, if the infusion is finished, the liquid level monitoring switch K is disconnected, the liquid level detection mechanism 6 is powered off and stops alarming; otherwise, the medical staff adjusts the liquid level of the drip chamber 3 and goes to step S4.
S4: the controller U1 continues to acquire the detection signal of the liquid level sensor 61, the controller U1 determines whether the detection signal exceeds the alarm release threshold number, if yes, the liquid level detection mechanism 6 releases the alarm, and the process returns to step S2; otherwise, the medical staff adjusts the liquid level of the drip chamber 3 again and returns to step S4.
As can be seen from fig. 1 to 5, in the present embodiment, the liquid level sensor 61 is mounted on the detection position of the outer cavity wall of the drip chamber 3 through the adhesive tape 63.
X is 0.2, and the level sensor 61 sets the detection period to 0.2 seconds.
Y is 10, the controller U1 sets the alarm threshold number to 10 times.
Z is 10, the controller U1 sets the alarm release threshold number to 10 times.
As shown in fig. 1 to 5, the liquid level sensor 61 determines whether water is present at the detection position 3 of the drip chamber, and if so, the signal output end of the liquid level sensor 61 outputs a high level; otherwise, the signal output terminal of the level sensor 61 outputs a low level.
The controller U1 of the detection control assembly 62 reads the detection signal of the liquid level sensor 61, if the number of times of reading the low level exceeds the set alarm threshold number for 10 times, the output end of the controller U1 outputs the high level, and the detection control assembly 62 sends out alarm information to enable the diode indicator lamp D in the detection control assembly 62 to flash and the buzzer F to vibrate and sound; otherwise, the output of the controller U1 outputs a low level and the test control module 62 does not issue an alarm message.
The medical staff adjusts the liquid level of the drip chamber 3, the controller U1 continues to obtain the detection signal of the liquid level sensor 61, if the number of times of reading the high level exceeds the set alarm release threshold value for 10 times, the detection control assembly 62 releases the alarm, so that the diode indicator lamp D does not flicker, and the buzzer F does not vibrate to sound; otherwise, the detection control component 62 continues to send alarm information.
Further alleviate medical personnel operating pressure, can see from fig. 3, liquid level detection mechanism 6 still is provided with the communication unit, the communication unit includes wireless communication module, be provided with every liquid level detection mechanism 6's the serial number that corresponds in this wireless communication module, wireless communication module connection director U1's output, when controller U1 output high level, wireless communication module will represent liquid level detection mechanism correspond the serial number and send to nurse station's client on, inform medical personnel's the position of the liquid level detection mechanism who reports to the police and its bed and patient that correspond.
The working principle of the invention is as follows:
the liquid dropper enables the floating block to float in the limiting pipe through the buoyancy of the floating block in liquid, and the floating block and the liquid outlet are matched with each other to block the liquid outlet along with the reduction of the liquid level in the cavity of the liquid dropper, so that the liquid outlet is automatically sealed after the infusion is finished, and the blood return is prevented; when the floating block floats to the second end port of the limiting pipe, the limiting block is arranged to prevent the floating block from continuously rising to influence the liquid inlet of the liquid inlet.
Level sensor detects the drip ware liquid level, if do not detect liquid at the detection position, the detecting element among the liquid level detection mechanism sends the low level to the control unit among the liquid level control subassembly, and the controller among the control unit receives low level output high level and makes diode scintillation, bee calling organ vibration sound production to remind medical personnel to handle the infusion problem, the inspection is that the infusion finishes or the velocity of flow is too fast.
The wireless communication module takes the output high level of the controller as an enabling end, and when the output high level of the controller is output, the wireless communication module sends the corresponding serial number representing the liquid level detection mechanism to a client of a nurse station, informs medical personnel of the position of the liquid level detection mechanism for alarming and the corresponding bed and patient, and realizes quick and accurate treatment.
Claims (9)
1. The utility model provides a disposable transfusion system with suggestion and automatic shutdown infusion function, includes dropping liquid pipe (1), dropping liquid pipe (4), goes up flow regulator (2), lower flow regulator (5) and dropping liquid ware (3), the inlet of dropping liquid ware (3) is connected go up dropping liquid pipe (1), the liquid outlet (34) of dropping liquid ware are connected dropping liquid pipe (4) down, it sets up to go up flow regulator (2) go up on dropping liquid pipe (1), lower flow regulator (5) set up on dropping liquid pipe (4) down, its characterized in that:
a self-plugging mechanism is arranged in the cavity of the liquid dropper (3), the self-plugging mechanism comprises a limiting tube (31), the first end of the limiting tube (31) is arranged on the inner cavity wall of the liquid outlet side of the liquid dropper (3), a floating block (32) is arranged in the limiting tube (31), the shape of the floating block (32) is matched with that of the liquid outlet (34), a limiting block (36) is arranged at the port of the second end of the limiting tube (31), and the liquid outlet (34) is communicated with the cavity of the limiting tube (31);
the pipe wall of the limiting pipe (31) is provided with at least one overflowing strip-shaped hole (33), and the pipe cavity of the limiting pipe (31) is communicated with the inner cavity of the liquid dropper (3) through the overflowing strip-shaped hole (33);
the drip ware (3) is provided with liquid level detection mechanism (6), and this liquid level detection mechanism (6) include level sensor (61) and detection control assembly (62), level sensor (61) are fixed on the outer chamber wall of drip ware (3).
2. The disposable infusion apparatus with prompting and automatic infusion stopping functions according to claim 1, wherein a conical surface hole communicated with the liquid outlet (34) is formed in the inner cavity wall of the liquid dropper (3) on the liquid outlet side, and the axial line of the conical surface hole is overlapped with the axial line of the limiting tube (31);
the first end face of the floating block (32) close to the liquid outlet (34) extends out of a sealing circular truncated cone, the side face of the sealing circular truncated cone is matched with the side wall of the conical hole, the floating block (32) floats to the first end port of the limiting pipe (31), and the sealing circular truncated cone and the conical hole are matched with each other to block the liquid outlet (34).
3. The disposable infusion set with the prompting and automatic infusion stopping functions according to claim 2, wherein an anti-sticking convex block (35) extends from one side surface of the limit block (36) close to the floating block (32), the floating block (32) floats to a second end port of the limit tube (31), and a second end surface, far away from the liquid outlet (34), of the floating block (32) is abutted against the anti-sticking convex block (35).
4. The disposable infusion set with the functions of prompting and automatically stopping infusion according to claim 3, wherein the drip chamber (3) is provided with a detection position of at least one liquid level sensor (61) on the outer cavity wall;
the liquid level sensor is characterized in that a fastening tape (63) is arranged on the liquid level sensor (61), one end of the fastening tape (63) is fixed on the liquid level sensor (61), a barbed hair section and a round hair section are sequentially arranged at the other end of the fastening tape (63), the liquid level sensor (61) is attached to the outer cavity wall of the liquid dropper (3) through the fastening tape (63), and the fastening tape (63) is mutually matched with the barbed hair section and the round hair section of the fastening tape (63) to fix the liquid level sensor (61) on a detection position of the outer cavity wall of the liquid dropper (3).
5. The disposable infusion set with the functions of prompting and automatically stopping infusion according to claim 4, wherein the density of the sealing circular truncated cone is greater than or equal to that of the floating block (32), and the density of the floating block (32) is less than that of water.
6. The disposable infusion set with the functions of prompting and automatically stopping infusion according to claim 1 or 5, characterized in that the liquid level detection mechanism (6) is provided with a liquid level alarm circuit, the liquid level alarm circuit comprises a control unit and a detection unit, the signal input end of the control unit is connected with the signal output end of the detection unit, the control unit is arranged on the detection control component (62), and the detection unit is arranged on a liquid level sensor (61);
the control unit comprises a controller U1, a signal input end of the controller U1 is used as a signal input end of the detection control component (62), a power supply end of the controller U1 is connected with a power supply E through a liquid level monitoring switch K, a grounding end of the controller U1 is grounded, a control output end of the controller U1 is connected with an anode of a diode indicator lamp D, a cathode of the diode indicator lamp D is grounded, and a control output end of the controller U1 is grounded through a buzzer F;
and the signal output end of the liquid level sensor (61) is used as the signal output end of the detection unit.
7. A method for controlling a disposable infusion set with infusion prompting and automatic stopping functions, which is characterized by comprising the disposable infusion set with infusion prompting and automatic stopping functions in claim 1, and the method for controlling the disposable infusion set with infusion prompting and automatic stopping functions comprises the following specific steps:
s1: the patient normally carries out transfusion, the liquid level sensor (61) is arranged at the detection position of the drip device (3), the liquid level sensor (61) sets the detection period, the controller U1 of the detection control assembly (62) sets the alarm threshold value number and the alarm release threshold value number, and the liquid level monitoring switch K of the detection control assembly (62) is closed to monitor the liquid level of the drip device (3);
s2: the liquid level sensor (61) detects the liquid level of the liquid dropper (3), and the controller U1 reads a detection signal of the liquid level sensor (61); the controller U1 judges whether the detection signal exceeds the alarm threshold number, if yes, the step S3 is executed; otherwise, return to step S2;
s3: the controller U1 controls the detection control assembly (62) to send alarm information, medical staff receives the alarm information and processes the infusion problem, if the infusion is finished, the liquid level monitoring switch K is disconnected, the liquid level detection mechanism (6) loses power and stops alarming; otherwise, the medical staff adjusts the liquid level of the drip device (3) and the step S4 is carried out;
s4: the controller U1 continuously acquires the detection signal of the liquid level sensor (61), the controller U1 judges whether the detection signal exceeds the alarm release threshold number, if yes, the liquid level detection mechanism (6) releases the alarm, and the step S2 is returned; otherwise, the medical staff adjusts the liquid level of the drip container (3) again and returns to the step S4.
8. The control method of the disposable infusion set with the functions of prompting and automatically stopping infusion according to claim 7, characterized in that the liquid level sensor (61) is installed on the detection position of the outer cavity wall of the drip chamber (3) through a sticky buckle (63);
the liquid level sensor (61) sets a detection period to be X seconds;
the controller U1 sets the alarm threshold value number as Y times;
the controller U1 sets the alarm release threshold number to Z times.
9. The control method of the disposable infusion set with the functions of prompting and automatically stopping infusion according to claim 8, wherein the liquid level sensor (61) judges whether water exists at the detection position of the drip chamber (3), and if so, a signal output end of the liquid level sensor (61) outputs a high level; otherwise, the signal output end of the liquid level sensor (61) outputs a low level;
the controller U1 of the detection control assembly (62) reads a detection signal of the liquid level sensor (61), if the number of times of reading the low level exceeds a set alarm threshold value and is Y times, the output end of the controller U1 outputs the high level, the detection control assembly (62) sends alarm information, and a diode indicator lamp D in the detection control assembly (62) flickers and a buzzer F vibrates to sound; otherwise, the output end of the controller U1 outputs low level, and the detection control component (62) does not send out alarm information;
the medical staff adjusts the liquid level of the liquid dropper (3), the controller U1 continues to acquire the detection signal of the liquid level sensor (61), if the number of times of reading the high level exceeds the set alarm release threshold value for Z times, the detection control assembly (62) releases the alarm, so that the diode indicator lamp D does not flicker, and the buzzer F does not vibrate and sound; otherwise, the detection control component (62) continuously sends alarm information.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010291484.5A CN111467605A (en) | 2020-04-14 | 2020-04-14 | Disposable infusion apparatus with prompting and automatic infusion stopping functions and control method thereof |
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| CN202010291484.5A CN111467605A (en) | 2020-04-14 | 2020-04-14 | Disposable infusion apparatus with prompting and automatic infusion stopping functions and control method thereof |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN203577037U (en) * | 2013-11-14 | 2014-05-07 | 圣光医用制品有限公司 | Automatic liquid-stopping infusion set |
| CN209475271U (en) * | 2018-06-07 | 2019-10-11 | 焦彦俊 | A kind of infusion unit titrimeter and infusion apparatus |
| CN110559506A (en) * | 2019-10-08 | 2019-12-13 | 中诊医疗科技有限公司 | 5G intelligent infusion apparatus monitoring control system |
| CN212262059U (en) * | 2020-04-14 | 2021-01-01 | 西南医科大学附属医院 | Disposable transfusion device capable of automatically stopping transfusion |
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2020
- 2020-04-14 CN CN202010291484.5A patent/CN111467605A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203577037U (en) * | 2013-11-14 | 2014-05-07 | 圣光医用制品有限公司 | Automatic liquid-stopping infusion set |
| CN209475271U (en) * | 2018-06-07 | 2019-10-11 | 焦彦俊 | A kind of infusion unit titrimeter and infusion apparatus |
| CN110559506A (en) * | 2019-10-08 | 2019-12-13 | 中诊医疗科技有限公司 | 5G intelligent infusion apparatus monitoring control system |
| CN212262059U (en) * | 2020-04-14 | 2021-01-01 | 西南医科大学附属医院 | Disposable transfusion device capable of automatically stopping transfusion |
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