CN216676608U - Empty-dropping-prevention alarming and liquid-stopping equipment adaptable to infusion sets of different specifications - Google Patents

Abstract

The utility model discloses an anti-empty-dripping alarm liquid stopping device which can be adapted to infusion sets with different specifications, and the device comprises a front shell and a rear shell which are connected through a connecting shaft, wherein the rear shell is provided with a fixing groove, the infusion set is fixed on the fixing groove through a fixing bolt, and the lower side of the rear shell is provided with a mechanical gripper; the front shell is provided with a control unit; the rear housing is provided with a drive unit. The device is powered by a battery, and is controlled by an integrated circuit, so that the transfusion alarm prompt function and the liquid stopping function of the transfusion device can be realized, the device has great market value and application value in clinic, the workload of medical staff in clinic can be effectively reduced, medical accidents such as blood backflow of a patient and the like caused by incapability of immediately processing after transfusion is finished are solved, the device is small and exquisite and light in size, convenient to install, and capable of meeting the clinical disinfection requirement; the device can be repeatedly used, the alarm cannot be wasted due to the fact that the alarm is discarded, the alarm is not limited by the type of the infusion apparatus, monitoring work can be conducted on various infusion apparatuses and infusion medicines, and the requirement of clinical work is met.

Description

Empty-dropping-prevention alarming and liquid-stopping equipment adaptable to infusion sets of different specifications

Technical Field

The utility model relates to the field of medical instruments, in particular to an anti-empty-dripping alarm liquid stopping device which can be adapted to infusion sets of different specifications.

Background

The infusion apparatus is a common medical consumable, and a channel between a vein and liquid medicine is established through aseptic treatment for intravenous infusion. Generally, the infusion apparatus is formed by connecting eight parts, namely a vein needle or an injection needle, a needle head protective cap, an infusion hose, a liquid medicine filter, a flow rate regulator, a drip cup, a bottle stopper puncture outfit, an air filter and the like, and a part of the infusion apparatus also comprises an injection piece, a medicine adding port and the like.

The specifications of the prior infusion apparatus mainly comprise: common infusion apparatus, barrel type infusion apparatus, bag type infusion apparatus, burette type infusion apparatus, photophobic infusion apparatus, precise filtration infusion apparatus, air purification infusion apparatus, etc.

Venous transfusion is one of the main modes of clinical administration at present, if the transfusion process cannot be replaced in time, liquid dripping is empty, venous blood return of a patient, catheter blockage and the like can be caused, the problem of liquid dripping is solved, the workload of nurses is increased, anxiety and tension of the patient can be caused, and even the economic burden of the patient can be increased.

The prior art CN201921258507.1 discloses an anti-empty-dropping alarm infusion apparatus, which comprises an alarm arranged on an upper infusion tube, wherein the alarm comprises a capacitor a polar plate and a capacitor B polar plate, the capacitor a polar plate and the capacitor B polar plate are symmetrically arranged on two sides of the infusion tube, the capacitor a polar plate and the capacitor B polar plate are both electrically connected with a single chip microcomputer, the single chip microcomputer is respectively electrically connected with a battery and an alarm device, and the battery and the alarm device are both arranged on the alarm; the alarm further comprises an indicator light, the indicator light is electrically connected with the single chip microcomputer, and the indicator light penetrates through a shell of the alarm; the infusion set overcomes the defects that the traditional infusion set is empty but does not give an alarm, and the blood backflow and even catheter blockage are not found in time after the infusion is finished, has low cost and wide application, improves the infusion safety of patients, and reduces the workload of nurses. However, the infusion apparatus can only realize the function of alarm when the infusion liquid is empty, but cannot realize the function of stopping the infusion liquid, and the infusion apparatus is disposable, so that the alarm is discarded after the infusion is finished, thereby causing waste.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide an anti-drip empty alarm liquid stopping device which can be adapted to infusion sets of different specifications, and aims to solve the problems that the existing design scheme only can alarm and cannot stop liquid, so that excessive empty dripping causes increased nursing workload and time, the infusion set is disposable, and the alarm is discarded after infusion is finished, so that waste is caused.

In order to achieve the purpose, the utility model provides an anti-empty-dripping alarm liquid stopping device which can be adapted to infusion sets with different specifications, the device comprises a front shell and a rear shell which are connected through a connecting shaft, the rear shell is provided with a fixing groove, the infusion set is fixed on the fixing groove through a fixing bolt, and the lower side of the rear shell is provided with a mechanical gripper; the front shell is provided with a control unit; the rear shell is provided with a driving unit;

the control unit comprises a power supply indicator light, a charging indicator light and an alarm indicator light; the device also comprises a power on/off key, a timing key, a locking and starting key and an alarm eliminating key;

the driving unit comprises a high liquid level sensor positioned on the upper side of the rear shell, a low liquid level sensor positioned on the lower side of the rear shell, an integrated circuit, a power module, a loudspeaker and a stepping motor, wherein the integrated circuit is electrically connected with the high liquid level sensor, the low liquid level sensor, the power module, the loudspeaker and the stepping motor;

the control unit is electrically connected with the integrated circuit of the driving unit.

Furthermore, the high liquid level sensor and the low liquid level sensor both comprise a capacitor A pole plate and a capacitor B pole plate, and the A, B pole plates are fixed on the outer side wall of the infusion tube of the infusion set.

Furthermore, the bottom of the front shell is provided with a jack which can be connected with an external power supply through a power adapter.

Furthermore, the rear shell is also provided with a battery bin, and a battery fixed by a battery cover is arranged on the battery bin.

Furthermore, a rope buckle is arranged at the top of the rear shell and is buckled with a hanging rope.

Furthermore, the front shell is provided with an observation window on the upper side, and the observation window is made of transparent PVC material.

Further, the front case and the rear case are fixed by a door lock device.

Further, the device is also provided with an amplification display unit which is electrically connected with the integrated circuit.

After adopting the technical scheme, compared with the prior art, the utility model has the following beneficial effects:

1) this equipment passes through battery powered, and integrated circuit controls, can realize the infusion warning prompt facility and the end liquid function to the transfusion system, has very big market value and using value in the middle of clinical, can effectively reduce medical personnel's work load in clinical, solves and can't handle at once and cause medical accidents such as blood backward flow because of the infusion accomplishes the back, and this equipment small in size is light (miniaturized), and easy to assemble can satisfy clinical disinfection requirement simultaneously.

2) The device can be repeatedly used, the alarm cannot be wasted due to the fact that the alarm is discarded, the alarm is not limited by the model of the infusion apparatus, monitoring work can be conducted on various infusion apparatuses (different brands, different models and different specifications) and infusion medicines, and the requirement of clinical work is met.

3) The battery of the equipment is a rechargeable battery, can be charged, can be used for a long time, can continuously work for more than 24 hours (including 24 hours) under the full-electricity condition, can be charged after the electric quantity is used up, and the equipment is provided with a charging module and a charging port (socket 22), so that the problem of battery replacement is avoided, the cost is effectively reduced, and the environmental pollution is reduced.

4) This equipment adopts two alarming function, and unique alarm lamp can be more effectual provides alarm information to medical personnel, and the warning unit can be discerned rapidly in speech alarm function combines light alarming function on a large scale.

5) The built-in miniature stepping motor of this equipment can stop liquid effectively, prevents the blood backward flow.

6) The device can perform a wireless transmission function according to clinical requirements to realize central monitoring; FIG. 6 shows that in a bed-based ward area, a bulk data transfer alarm function may be implemented; each equipment is connected to the switch through wireless AP, transmits alarm information to central infusion monitoring system by the switch, makes medical personnel can master all ward infusion alarm conditions in real time at nurse station. The real-time monitoring on the infusion safety of the patient is enhanced, the working intensity of medical staff is reduced, and the infusion is safer.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the utility model and, together with the description, serve to explain the utility model and not to limit the utility model. In the drawings:

FIG. 1 is an expanded view of an empty-drip-proof alarm liquid stopping device adaptable to infusion sets of different specifications;

FIG. 2 is a connection diagram of electronic components of an anti-empty-dripping alarm liquid stopping device adaptable to infusion sets of different specifications;

FIG. 3 is a perspective view of an empty-drip-proof alarm liquid-stopping device adaptable to infusion sets of different specifications;

FIG. 4 is a top view of an empty drop prevention alarming and liquid stopping device adaptable to infusion sets of different specifications;

FIG. 5 is a bottom view of an empty dropping prevention alarming and liquid stopping device adaptable to infusion sets of different specifications;

FIG. 6 is a diagram of overall operation monitoring of multiple devices;

FIG. 7 is a top view of a door lock device in an empty dropping prevention alarming and liquid stopping device adaptable to infusion sets of different specifications;

FIG. 8 is a side view of a door lock device in an empty dropping prevention alarming and liquid stopping device adaptable to infusion sets of different specifications;

FIG. 9 is a locking state diagram of a door lock device in an anti-empty-dripping alarm liquid stopping device adaptable to infusion sets of different specifications;

fig. 10 is a schematic circuit diagram of an anti-empty-dripping alarm liquid stopping device adaptable to infusion sets of different specifications.

Wherein: 1-a front shell, 2-a rear shell, 3-a connecting shaft, 4-a fixing groove, 5-a fixing bolt, 6-a battery bin, 7-an integrated circuit, 8-a battery, 9-a loudspeaker, 10-a stepping motor, 11-a door lock device, 1101-a pressing surface, 1102-an upper fixing disc, 1103-a pull rod, 1104-a spring, 1105-a lower fixing base, 1106-a buckle, 12-a power module, 13-an alarm elimination key, 14-a locking opening key, 15-an on/off key, 16-a timing key, 17-an observation window, 18-a power indicator, 19-a charging indicator, 20-an alarm indicator, 2101-a capacitor A electrode plate, 2102-a capacitor B electrode plate, 22-a jack and 23-a rope buckle, 24-hanging rope, 25-mark, 26-mechanical gripper and 27-fixing rod.

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the utility model, its application, or uses_。Based on the embodiments of the utility model_，All other embodiments obtained by a person skilled in the art without making any inventive step are within the scope of protection of the present invention.

Furthermore, it should be noted that in the description of the present invention, it is to be understood that the terms "front", "back", "lower", "upper", "higher", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, and the above words have no special meaning unless otherwise stated, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be interpreted as limiting the present invention.

As shown in fig. 1-5, in order to achieve the above object, the present invention provides an anti-empty-dripping alarm liquid stopping device adaptable to infusion sets of different specifications, the device comprising a front housing 1 and a rear housing 2 connected by a connecting shaft 3, the rear housing 2 being provided with a fixing groove 4, the infusion set being fixed on the fixing groove 4 by a fixing bolt 5, the rear housing 2 being provided at its lower side with a mechanical hand 26; the front shell 1 is provided with a control unit which is mainly responsible for inputting instructions to equipment operation; the rear shell 2 is provided with a driving unit which is mainly responsible for stopping and monitoring the infusion apparatus;

the control unit comprises a power indicator lamp 18 for monitoring whether the device is in a working state, a charging indicator lamp 19 for monitoring when the battery 8 of the device is insufficient in electric quantity and an alarm indicator lamp 20 for monitoring the alarm when the liquid of the infusion set is completely removed; the infusion set further comprises a start/stop key 15 for starting the equipment to run and stopping the equipment to run, a timing key 16 for the time from the high liquid level of the infusion set to the end of infusion, a locking start key 14 for releasing the liquid stopping function of the infusion set and an alarm eliminating key 13 for releasing the alarm volume;

the driving unit comprises a high liquid level sensor positioned at the upper side of the rear shell 2 and a low liquid level sensor (Shenzhen energy science and technology Limited, model D1 CS) positioned at the lower side of the rear shell 2 for detecting the liquid medicine circulation condition of the infusion set, an integrated circuit 7(IC) for processing the operation instruction of the whole equipment, an integrated circuit 7(IC) for monitoring the operation state of the equipment (a control signal in a singlechip is loaded to a control level carrying a controllable silicon through a photoelectric coupler so as to form a control circuit), a voltage detecting charging battery 8 and preventing the battery 8 from being overcharged, a power supply module 12 which can automatically and stably adjust the output voltage of the battery 8, a loudspeaker 9 (a speaker Quanzhou jinsheng electronic finite manufacture, model: QP3070CP08-3-R) which has the function of providing sound alarm, and a stepping motor 10 which locks and opens the liquid stopping of the infusion apparatus; the integrated circuit 7 is electrically connected with the high liquid level sensor, the low liquid level sensor, the power module 12, the loudspeaker 9 and the stepping motor 10; when a low liquid level sensor of the equipment detects a low liquid level, an alarm signal is generated, the alarm signal is processed by a single chip microcomputer and then a group of electric signals are output, the stepping motor 10 supplies power to push the mechanical hand grips 26 to work, and the mechanical hand grips 26 are combined to perform a liquid stopping function;

the control unit is electrically connected to the integrated circuit 7 of the drive unit.

Furthermore, the high liquid level sensor and the low liquid level sensor both comprise a capacitor A pole plate 2101 and a capacitor B pole plate 2102, and the A, B pole plates are fixed on the outer side wall of an infusion tube of the infusion apparatus, so that the liquid level condition in the infusion tube can be quickly and sensitively sensed.

Further, the bottom of the front case 1 is provided with a jack 22, and the jack 22 can be connected with an external power supply through a power adapter (UGREEN/Green Union, model: 305935V 1A) to provide an external power input for the device, and charge the battery 8 to continue the infusion operation.

Further, the rear housing 2 is further provided with a battery compartment 6, the battery compartment 6 is provided with the battery 8 fixed by a battery cover, and the battery 8 is a rechargeable battery and provides a continuous power supply for the device for continuous use.

Furthermore, a rope buckle 23 is arranged at the top of the rear shell 2, a hanging rope 24 is buckled on the rope buckle 23 and used for fixing the hanging rope 24, and the device can be hung through the hanging rope 24 in the infusion process, so that a force application point is provided for the device.

Further, procapsid 1 upside is equipped with observation window 17, and this observation window 17 is transparent PVC material for the interior dropping liquid condition of observation equipment.

Further, the front case 1 and the rear case 2 are fixed by a door lock device 11, and the door lock device 11 is a push type to facilitate opening or closing of the apparatus.

As shown in fig. 7-9, the spring 1104 will return the door latch mechanism 11; each time the door lock device 11 is pressed, the catch 1106 separates the front case 1 and the rear case 2. Specifically, the pressing device 11 is configured to extend and contract the spring 1104 via the pressing surface 1101, and a catch 1106 is provided at the bottom of the pressing device 11, so that the pressing device can be separated from the fixing lever 27 of the front case 1 by increasing the stroke during pressing, thereby achieving a door-open state. When closed, the pressing spring 1104 is in a reset state due to its characteristic, and locks the fixing lever 21 that is caught to the front case 1.

Further, the lower side of the front case 1 is provided with a mark 25 for a department name and a Logo or a health congratulatory message and a related subject mark.

Furthermore, the equipment is also provided with an amplification display unit which is electrically connected with the integrated circuit 7 and can display the infusion time and flow rate information on a display screen, so that the equipment has a display function.

Furthermore, the device can be provided with a wireless module which transmits wireless transmission signals to a central infusion monitoring system, and the wireless module can be selected and installed according to clinical requirements in the aspect of use.

The control unit and the driving unit of the utility model are electrically connected, as shown in a schematic circuit diagram of fig. 10, the working mode of the power supply is as follows: rectifying, namely converting the alternating current into high-frequency alternating current through a switching circuit, transforming the alternating current through a high-frequency transformer, rectifying, filtering and direct current, and converting 220V alternating current into 5V1A direct current for output; the working principle is as follows: the 220v alternating current is input through a voltage dependent resistor 7D471K and is used for preventing the voltage from being overhigh, then the alternating current is rectified through a bridge rectifier MB6S to output high-frequency alternating current, then the alternating current is connected in parallel to an inductor L1 through 2 groups of capacitors C1 and C2 through R1 and is connected to a transformer T1 through L1, the alternating current is output to an IC control input VDD control IC through a diode D2 and a resistor R7 after being transformed by the transformer, one end of the alternating current is grounded, and the other end of the alternating current is output to resistors R2 and R3 through the inductor and is connected with a capacitor C5; ME8311 is a power supply control IC, VDD is a power supply, COMP is a line loss compensation end, an external capacitor, INV is a feedback voltage input end, CS is a primary side current sampling end, GND is a chip ground, DRAIN is a DRAIN electrode of a built-in high-voltage MOS tube, and direct current 5v output is obtained after rectification and filtering.

The use principle of the utility model is as follows:

when the equipment is used, the equipment is hung on a transfusion support through a hanging rope 24, after a front shell 1 of the equipment is opened, a transfusion device is installed on a fixing groove 4, the front shell 1 is closed, a switch/machine key 15 is pressed, a power indicator lamp 18 is turned on, the equipment is in a working state, the equipment is electrified and starts to work normally, when liquid flows to a liquid-empty state, a capacitive sensor monitors that no liquid exists in the transfusion device, a loudspeaker 9 alarms, an alarm indicator lamp 20 flashes, and voice prompt is given: if the liquid medicine is completely used, please call a nurse to replace the liquid medicine; at this time, the automatic liquid stopping function is turned on, and the stepping motor 10 closes the passage of the infusion apparatus to stop the liquid feeding. This equipment fixing height/low level sensor can reserve corresponding time after once reporting to the police, and mechanical tongs 26 begins work this moment, carries out slow locking function, when treating the secondary and reporting to the police, ends the liquid clamp and locks completely, and the transfusion system stops the infusion this moment, can change or remove the transfusion system, has greatly made things convenient for clinical use, reduces the probability that the incident takes place, ensures patient's infusion safety.

When medical personnel receives alarm information and arrives at the site, the alarm is eliminated by pressing the alarm eliminating key 13, meanwhile, the channel of the infusion set is opened by pressing the locking opening key 14, and at the moment, the front shell 1 is opened to replace the infusion set; after the replacement is finished, the front shell 1 is closed, and the infusion work is continued; if the transfusion is finished, the on/off key 15 is pressed to stop the transfusion.

When the device is used, if the battery power is low, the device has an alarm prompt, the charging indicator lamp 19 flickers, the integrated circuit 7 of the device is provided with a voltage detection function, if the battery power is low, the voltage of an electronic component is reduced, a trigger signal is generated, and therefore the mechanical gripper 26 is controlled to perform an automatic closing function, namely, a channel of an infusion apparatus is automatically closed, but the device needs to be restarted through manual operation, then the jack 22 is connected with a power adapter, and then the power adapter is connected with an external power supply to provide external power input for the device, so that the infusion work is continued.

After adopting the technical scheme, compared with the prior art, the utility model has the following beneficial effects:

1) this equipment passes through battery powered, and integrated circuit controls, can realize the infusion warning prompt facility and the end liquid function to the transfusion system, has very big market value and using value in the middle of clinical, can effectively reduce medical personnel's work load in clinical, solves because of can't handle at once after the infusion is accomplished and cause medical accidents such as patient's blood backward flow, and this equipment small in size is light, and easy to assemble can satisfy clinical disinfection requirement simultaneously.

2) The device can be repeatedly used, the alarm cannot be wasted due to the fact that the alarm is discarded, the alarm is not limited by the model of the infusion apparatus, monitoring work can be conducted on various infusion apparatuses (different brands, different models and different specifications) and infusion medicines, and the requirement of clinical work is met.

3) The device battery is rechargeable battery (in the same direction as core 5VLP1S2200 rechargeable lithium cell), can charge, satisfy long-time use, but continuous operation more than 24 hours (including 24 hours) under the full electric condition, and can charge it after the electric quantity is used up, the equipment is equipped with the mouth that charges (jack 22 promptly), external power adapter is connected to this jack 22, then power adapter connects external power source and provides external power input for equipment, continue infusion work, avoid changing the battery problem, effective reduce cost, reduce environmental pollution.

4) This equipment adopts two alarming function, and unique alarm lamp can be more effectual provides alarm information to medical personnel, and the warning unit can be discerned rapidly in speech alarm function combines light alarming function on a large scale.

5) The built-in miniature step motor of this equipment can effectively end liquid, prevents patient's blood backward flow.

6) The device can perform a wireless transmission function according to clinical requirements to realize central monitoring; FIG. 6 shows that in a bed-based ward area, a bulk data transfer alarm function may be implemented; each equipment is connected to the switch through wireless AP, and the switch is that the signal transmission of wireless AP is to alarm information signal transmission to central infusion monitor system to the host computer, makes medical personnel can master all ward infusion alarm conditions in real time at nurse station. The real-time monitoring on the infusion safety of the patient is enhanced, the working intensity of medical staff is reduced, and the infusion is safer.

The foregoing is a more detailed description of the utility model in connection with specific preferred embodiments and it is not intended that the utility model be limited to these specific details. For those skilled in the art to which the utility model pertains, several simple deductions or substitutions can be made without departing from the spirit of the utility model, and all shall be considered as belonging to the protection scope of the utility model.

Claims (8)

1. The utility model provides a can adapt to antidrip empty warning of different specification transfusion system and end liquid equipment, equipment contains procapsid and the back casing of connecting through the connecting axle, its characterized in that: the rear shell is provided with a fixing groove, the infusion apparatus is fixed on the fixing groove through a fixing bolt, and the lower side of the rear shell is provided with a mechanical gripper; the front shell is provided with a control unit; the rear shell is provided with a driving unit;

the control unit comprises a power supply indicator light, a charging indicator light and an alarm indicator light; the device also comprises a power-on/power-off key, a timing key, a locking start key and an alarm elimination key;

the driving unit comprises a high liquid level sensor positioned on the upper side of the rear shell, a low liquid level sensor positioned on the lower side of the rear shell, an integrated circuit, a power module, a loudspeaker and a stepping motor, wherein the integrated circuit is electrically connected with the high liquid level sensor, the low liquid level sensor, the power module, the loudspeaker and the stepping motor;

the control unit is electrically connected with the integrated circuit of the driving unit.

2. The drip empty prevention alarming and liquid stopping device adaptable to infusion sets of different specifications according to claim 1, characterized in that: the high/low liquid level sensor comprises a capacitor A pole plate and a capacitor B pole plate, and the A, B pole plates are fixed on the outer side wall of an infusion tube of the infusion set.

3. The drip empty prevention alarming and liquid stopping device adaptable to infusion sets of different specifications according to claim 1, characterized in that: the procapsid bottom is equipped with the jack, and this jack accessible power adapter connects the external power source.

4. The drip empty prevention alarming and liquid stopping device adaptable to infusion sets of different specifications according to claim 1, characterized in that: the rear shell is also provided with a battery bin, and the battery bin is provided with a battery fixed by a battery cover.

5. The anti-empty-dripping alarm liquid stopping device adaptable to infusion sets of different specifications according to claim 4, wherein: the top of the rear shell is provided with a rope buckle, and the rope buckle is buckled with a hanging rope.

6. The anti-empty-dripping alarm liquid stopping device adaptable to infusion sets of different specifications according to claim 3, characterized in that: the procapsid upside is equipped with the observation window, and this observation window is transparent PVC material.

7. The anti-empty-dripping alarm liquid stopping device adaptable to infusion sets of different specifications according to claim 5 or 6, characterized in that: the front housing and the rear housing are secured by a door lock device.

8. The drip empty prevention alarming and liquid stopping device adaptable to infusion sets of different specifications according to claim 1, characterized in that: the device is also provided with an augmented display unit, which is electrically connected to the integrated circuit.

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