CN219375712U - Infusion tube blood return prevention early warning device - Google Patents

Abstract

The application discloses infusion tube prevents back blood early warning device to solve the infusion process that prior art exists, if not in time close the regulator or pull out the syringe needle and can lead to the problem of back blood. The application comprises the following steps: the dropping funnel and the photosensitive component comprise a photosensitive resistor, a laser lamp and a photosensitive resistor buckle; light emitted by the laser lamp is directly irradiated on the photoresistor; the output end of the photoresistor is electrically connected with the input end of the controller, and the output end of the controller is electrically connected with the input end of the alarm mechanism; the device has the advantages of simple structure, convenient use, early warning and blood return prevention; the current in the circuit is changed due to the change of the resistance value of the photoresistor, a signal is accurately and rapidly transmitted into the controller, and the controller controls the state change of the alarm mechanism, so that reminding of accompanying personnel and medical staff is realized, and after the liquid medicine in the drip chamber is used up, transfusion can be stopped in time, and the problems of transfusion blood return and the like are effectively solved.

Description

Infusion tube blood return prevention early warning device

Technical Field

The application relates to the technical field of medical instruments, in particular to an infusion tube blood return prevention early warning device.

Background

Infusion is also called infusion or infusion, and is a large-dose (more than 100ml for one administration) injection which is infused into a body by intravenous drip. Is usually packaged in glass or plastic infusion bottles or bags and does not contain preservatives or bacteriostats. The infusion set is used for inputting liquid medicine to a patient, and when the infusion set is used, the infusion set is used for adjusting the dropping speed, and continuously and stably entering the vein so as to supplement body fluid, electrolyte or provide nutrient substances. At present, the transfusion mode commonly used in hospitals is gravity type transfusion, and the liquid pressure of the liquid medicine is higher than that of the human veins due to the gravity action of the liquid medicine, so that the liquid medicine is ensured to be input into the blood of a patient.

However, in the infusion process or when the infusion of the liquid medicine is completed or stopped automatically, if the hydraulic pressure is smaller than the venous pressure, if the flow speed regulator is not closed or the needle head penetrating into the vein is pulled out in time, venous blood of a patient flows back into the infusion tube, so that the blood return result is caused, the safety of the patient is threatened, and the human health is endangered. In addition, at present, a plurality of infusion tubes for preventing blood return exist, but basically, the problems of complex structure exist, and an early warning mechanism is lacked.

Disclosure of Invention

Therefore, the application provides an infusion tube blood return prevention early warning device to solve the problem that in the infusion process existing in the prior art, if the regulator is not closed in time or the needle is pulled out, blood return can be caused.

In order to achieve the above object, the present application provides the following technical solutions:

an infusion tube blood return prevention early warning device, comprising: the dropping funnel comprises a dropping funnel body and a photosensitive assembly, wherein the photosensitive assembly comprises a photoresistor, a laser lamp and a photoresistor buckle, the photoresistor buckle is arranged at the periphery of the dropping funnel body, the photoresistor and the laser lamp are arranged in the photoresistor buckle, and light rays emitted by the laser lamp are directly irradiated on the photoresistor; the output end of the photoresistor is electrically connected with the input end of the controller, and the output end of the controller is electrically connected with the input end of the alarm mechanism.

Optionally, the alarm mechanism includes a speaker, an input of the speaker being connected to the first output of the controller.

Optionally, the alarm mechanism further comprises a flashing lamp, and the input ends of the flashing lamps are connected with the second output ends of the controller through first wires in one-to-one correspondence.

Optionally, the photoresistor and the laser lamp are symmetrically arranged in the photoresistor buckle.

Optionally, the controller further comprises a power module, and the power module is connected with the controller.

Optionally, the photoresistor buckle is a C-shaped buckle.

Optionally, the output end of the photoresistor is connected with the controller through a second wire.

Compared with the prior art, the application has the following beneficial effects:

1. the application provides an infusion tube blood return prevention early warning device, which comprises a dropping funnel and a photosensitive component, wherein the photosensitive component comprises a photosensitive resistor, a laser lamp and a photosensitive resistor buckle, and light rays emitted by the laser lamp penetrate through liquid medicine in the dropping funnel and are directly irradiated on the photosensitive resistor; the output end of the photoresistor is electrically connected with the input end of the controller, and the output end of the controller is electrically connected with the input end of the alarm mechanism; the device has the advantages of simple structure, convenient use, early warning and blood return prevention; the current in the circuit is changed due to the change of the resistance value of the photoresistor, and then a signal is accurately and rapidly transmitted into the controller, and the controller controls the state change of the alarm mechanism (particularly the change of the loudspeaker and the corresponding flashing lamp), so that reminding of accompanying personnel and medical staff is realized, and when the liquid medicine in the dropping funnel is used up, transfusion can be stopped in time, and the problems of transfusion blood return and the like are effectively solved.

2. The loudspeaker and the flashing lamp are various in setting form and can be adjusted according to actual conditions; through the setting of a plurality of flash lamps, when many people infuse, flash lamp can accurately and light rapidly, has improved the efficiency and the accuracy of work.

Drawings

For a more visual illustration of the prior art and the present application, several exemplary drawings are presented below. It should be understood that the specific shape and configuration shown in the drawings should not be considered in general as limiting upon the practice of the present application; for example, based on the technical concepts and exemplary drawings disclosed herein, those skilled in the art have the ability to easily make conventional adjustments or further optimizations for the add/subtract/assign division, specific shapes, positional relationships, connection modes, dimensional scaling relationships, etc. of certain units (components).

FIG. 1 is a schematic diagram of a structure provided in one embodiment of the present application;

FIG. 2 is a cross-sectional view of the device shown in FIG. 1;

FIG. 3 is a schematic block diagram of a circuit of one embodiment of the present application;

fig. 4 is a schematic view of an operation panel according to an embodiment of the present application.

Reference numerals illustrate:

1. an infusion tube; 101. a dropping funnel; 2. a photosensitive component; 201. a photoresistor; 202. a laser lamp; 203. a photoresistor buckle; 3. a speaker; 4. a controller; 5. an operation panel; 501. a flashing light; 502. a power switch; 503. volume key-up; 504. volume key-down; 6. and a power supply module.

Detailed Description

The present application is further described in detail below with reference to the attached drawings.

In the description of the present application: unless otherwise indicated, the meaning of "a plurality" is two or more. The terms "first," "second," "third," and the like in this application are intended to distinguish between the referenced objects without a special meaning in terms of technical connotation (e.g., should not be construed as emphasis on degree or order of importance, etc.). The expressions "comprising", "including", "having", etc. also mean "not limited to" (certain units, components, materials, steps, etc.).

The terms such as "upper", "lower", "left", "right", "middle", and the like, as referred to in this application, are generally used for convenience in visual understanding with reference to the drawings, and are not intended to be an absolute limitation of the positional relationship in actual products. Such changes in relative positional relationship are considered to be within the scope of the present description without departing from the technical concepts disclosed herein.

In one embodiment of the present application, an infusion tube blood return prevention early warning device, as shown in fig. 1-3, includes: the drip chamber 101 and the photosensitive component 2, the drip chamber 101 is arranged on the infusion tube 1, and the photosensitive component 2 is arranged on the periphery of the drip chamber 101; the photosensitive assembly 2 comprises a photosensitive resistor 201, a laser lamp 202 and a photosensitive resistor buckle 203, wherein the photosensitive resistor buckle 203 is a C-shaped buckle and is arranged on the outer wall of the dropping funnel 101; the photoresistor 201 and the laser lamp 202 are arranged in the photoresistor buckle 203 and are positioned between the photoresistor buckle 203 and the dropping funnel 101; the light emitted by the laser lamp 202 passes through the liquid medicine in the dropping funnel 101 and is directly irradiated on the photoresistor 201; the output end of the photoresistor 201 is electrically connected with the input end of the controller 4, specifically can be connected through a second wire, and the output end of the controller 4 is electrically connected with the input end of the alarm mechanism.

In this embodiment, as shown in fig. 2 and 3, the photoresistor 201 and the laser lamp 202 are symmetrically disposed in the photoresistor buckle 203; the alarm mechanism comprises a loudspeaker 3, and the input end of the loudspeaker 3 is connected with the output end of the controller 4.

Of course, the photoresistor buckle 203 has various structural forms, so long as the photoresistor 201 and the laser lamp 202 can be fixed at the periphery of the drip chamber 101.

Preferably, the alarm mechanism further comprises a flashing lamp 501, and the plurality of output ends of the controller 4 are connected with the input ends of the plurality of flashing lamps 501 through first wires corresponding to each other one by one, so as to control the working state of the corresponding flashing lamps 501.

Further preferably, as shown in fig. 4, a plurality of flashing lamps 501 are disposed on the same operation panel 5, and a plurality of numbers, for example, no. 1, no. 2, no. 3, no. 4, etc., are disposed on the operation panel 5 below the flashing lamps 501 to correspond to the drip chambers 101 of a plurality of patients in one ward; when the flashing lamp 501 with the corresponding number is turned on, the corresponding patient is conveniently searched for, so that the infusion of the drip chamber 101 of the patient is stopped in time, and the blood backflow is prevented.

Still further preferably, the operation panel 5 is further provided with a power switch 502 and an adjusting key for adjusting the volume of the speaker 3, the adjusting key being divided into a volume up key 503 and a volume down key 504.

The controller 4 can be arranged in a control box in the ward, and the operation panel 5 and the loudspeaker 3 can be arranged on one side of the control box or can be arranged at other positions in the ward; a controller 4, a loudspeaker 3 and an operation panel 5 can be arranged in a ward, when the loudspeaker 3 sounds, medical staff can judge that the liquid medicine in the drip chamber 101 of a patient in the ward is used up, then check is quickly made, and particularly, the liquid medicine in the drip chamber 101 of the patient is used up, so that the setting can save cost; a controller 4 can also be arranged in a ward, but an operation panel 5 and a loudspeaker 3 are correspondingly arranged for each patient in the ward, and a plurality of loudspeakers 3 are correspondingly connected with the controller 4.

In addition, the arrangement of the controller 4, the operation panel 5, and the speaker 3 is not limited to the above, and may be adjusted according to circumstances in practical applications.

The plurality of flashing lamps 501 correspond to the plurality of drip chambers 101, wherein: one patient may correspond to one blinking lamp 501 or two blinking lamps 501; when a patient corresponds to a blinking lamp 501, if the liquid medicine in the drip chamber 101 flows at a constant speed, the resistance value of the photoresistor 201 is certain, so that the current flowing into the circuit is a constant value, and the loudspeaker 3 does not sound and the blinking lamp 501 does not blink; if the liquid medicine in the dropping funnel 101 is used up, the resistance value of the photoresistor 201 is changed instantaneously, so that the current is changed instantaneously, at the moment, the loudspeaker 3 gives out sound to carry out voice prompt, and the flashing lamp 501 is turned on, so that both modes can remind a attendant or medical staff to terminate transfusion in time;

when a patient corresponds to two blinking lamps 501, if the liquid medicine in the drip chamber 101 flows at a constant speed, the resistance value of the photoresistor 201 is certain, so that the current flowing into the circuit is a constant value, at the moment, the loudspeaker 3 does not sound, but the first blinking lamp 501 is lighted, and a state prompt such as green constant appears; if the liquid medicine in the drip chamber 101 runs out, the resistance of the photoresistor 201 is changed instantaneously, so that the current is changed instantaneously, the loudspeaker 3 emits a sound to perform voice prompt, the second flashing lamp 501 is turned on, and a state prompt such as 'red constant or red flashing' appears, and both forms can remind the accompanying personnel or medical staff to terminate the transfusion in time.

Preferably, the power supply module 6 is further included, and the power supply module 6 is electrically connected with the controller 4 to provide working voltage for all electric equipment.

According to the infusion tube blood return prevention early warning device, the photosensitive assembly 2 is arranged outside the drip chamber 101, the photosensitive resistor 201 and the laser lamp 202 are symmetrically arranged on two sides of the periphery of the drip chamber 101 through the photosensitive resistor buckle 203, and the controller 4, the loudspeaker 3 and the flashing lamp 501 are configured; the light that laser lamp 202 sent is transmitted the liquid medicine in the drip chamber 101, the direct injection is on photoresistor 201, when the liquid medicine in drip chamber 101 flows at the uniform velocity, photoresistor 201's resistance is certain, current in the inflow circuit is certain value, speaker 3 does not sound and scintillation lamp 501 does not flash, and when the liquid medicine in drip chamber 101 runs out, photoresistor 201's resistance changes in the twinkling of an eye, make current change in the twinkling of an eye, speaker 3 sound and scintillation lamp 501 flash this moment, thereby remind accompanying personnel or medical personnel in time to terminate the infusion, prevent blood backward flow, current transfer line 1 has been solved because not possess prevent back blood early warning mechanism (or can't in time send audible and visual suggestion or other early warning signals), when the liquid medicine in drip chamber 101 is finished, lead to can't remind accompanying personnel and medical personnel to pay attention, can't in time terminate the infusion, thereby cause blood backward flow scheduling problem.

The current in the circuit is changed due to the change of the resistance value of the photoresistor 201, so that signals are accurately and rapidly transmitted into the controller 4, the controller 4 controls the change of the loudspeaker 3 and the corresponding flashing lamp 501, the reminding of accompanying personnel and medical staff is facilitated, transfusion can be stopped in time (the transfusion device is closed or the needle is pulled out), and the problems of transfusion blood return and the like are solved in time; meanwhile, through the arrangement of the plurality of flashing lamps 501, when a plurality of people perform transfusion, the flashing lamps 501 can be accurately and quickly lightened, and the working efficiency and accuracy are improved.

Any combination of the technical features of the above embodiments may be performed (as long as there is no contradiction between the combination of the technical features), and for brevity of description, all of the possible combinations of the technical features of the above embodiments are not described; these examples, which are not explicitly written, should also be considered as being within the scope of the present description.

The foregoing has outlined and detailed description of the present application in terms of the general description and embodiments. It should be appreciated that numerous conventional modifications and further innovations may be made to these specific embodiments, based on the technical concepts of the present application; but such conventional modifications and further innovations may be made without departing from the technical spirit of the present application, and such conventional modifications and further innovations are also intended to fall within the scope of the claims of the present application.

Claims (7)

1. An infusion tube blood return prevention early warning device, which is characterized by comprising: the dropping funnel comprises a dropping funnel body and a photosensitive assembly, wherein the photosensitive assembly comprises a photoresistor, a laser lamp and a photoresistor buckle, the photoresistor buckle is arranged at the periphery of the dropping funnel body, the photoresistor and the laser lamp are arranged in the photoresistor buckle, and light rays emitted by the laser lamp are directly irradiated on the photoresistor; the output end of the photoresistor is electrically connected with the input end of the controller, and the output end of the controller is electrically connected with the input end of the alarm mechanism.

2. The perfusion tube anti-flashback warning device of claim 1, wherein the warning mechanism includes a speaker, an input of the speaker being connected to the first output of the controller.

3. The perfusion tube blood return prevention early warning device according to claim 1 or 2, wherein the warning mechanism further comprises a flashing lamp, and the input ends of the flashing lamps are connected with the second output ends of the controller through first leads in one-to-one correspondence.

4. The perfusion tube blood return prevention early warning device according to claim 1, wherein the photoresistors and the laser lamps are symmetrically arranged in the photoresistor buckles.

5. The perfusion tube anti-flashback warning device of claim 1, further comprising a power module, the power module being connected to the controller.

6. The perfusion tube anti-flashback warning device of claim 1, wherein the photoresistor clip is a "C" clip.

7. The infusion tube blood return prevention early warning device according to claim 1, wherein the output end of the photoresistor is connected with the controller through a second wire.