CN220967813U - Infusion monitoring device and infusion monitoring system - Google Patents

Abstract

The utility model discloses an infusion monitoring device and an infusion monitoring system, wherein the device comprises a shell and a clamping mechanism, wherein a pipe groove is formed in the outer wall of the shell, and the clamping mechanism is used for clamping an infusion pipe placed in the pipe groove; the shell is internally provided with at least two detection elements, a control circuit board and a tube pressing mechanism, wherein the detection elements are axially arranged at intervals along the tube slot and are used for detecting whether liquid medicine exists in the infusion tube or not; the control circuit board is electrically connected with the detection element and the tube pressing mechanism and is used for controlling the tube pressing mechanism to apply pressure to the infusion tube to enable the flow passage of the infusion tube to be closed when no liquid medicine in the infusion tube is detected. When the infusion tube is used, the infusion tube is placed in the tube groove, clamping force is applied to the infusion tube through the clamping mechanism, and when a plurality of detection elements detect no liquid medicine in the infusion tube in sequence, the tube pressing mechanism applies pressure to the infusion tube to enable the flow passage of the infusion tube to be closed.

Description

Infusion monitoring device and infusion monitoring system

Technical Field

The utility model relates to the field of medical monitoring equipment, in particular to an infusion monitoring device and an infusion monitoring system.

Background

At present, in the process of transfusion of a patient, the residual quantity of liquid in the transfusion device is usually monitored by the patient or the family member of the patient, and when the residual quantity of liquid in the transfusion device is small, a nurse is called for processing through a bedside button. The mode is completely dependent on manual monitoring, the labor intensity is high, the monitoring personnel cannot take a good rest, and the situation that the liquid in the infusion apparatus is completely infused is frequently encountered. Moreover, if the condition of no monitoring is met, the transfusion is not found to be finished for a long time, the switch on the transfusion device cannot be closed in time, and then the blood return phenomenon is caused, and the vascular embolism of a patient can be caused when the blood return phenomenon is serious, so that a certain medical safety risk is brought.

Disclosure of utility model

The utility model aims at: the infusion monitoring device and the infusion monitoring system can monitor whether the infusion tube is filled with liquid in real time and automatically close an infusion channel when infusion is completed, and meanwhile, the system can inform nurses of timely treatment when the infusion monitoring device monitors that the infusion is completed.

The utility model is realized by the following technical scheme:

In a first aspect, the utility model provides an infusion monitoring device, comprising a shell and a clamping mechanism, wherein a tube groove is formed in the outer wall of the shell, and the clamping mechanism is used for clamping an infusion tube placed in the tube groove; the shell is internally provided with at least two detection elements, a control circuit board and a tube pressing mechanism, wherein the detection elements are axially arranged at intervals along the tube slot and are used for detecting whether liquid medicine exists in the infusion tube or not; the control circuit board is electrically connected with the detection element and the tube pressing mechanism and is used for controlling the tube pressing mechanism to apply pressure to the infusion tube to enable the flow passage of the infusion tube to be closed when no liquid medicine in the infusion tube is detected.

In the scheme, the tube groove is formed in the shell, the infusion tube is placed in the tube groove during use, clamping force is applied to the infusion tube through the clamping mechanism, so that the infusion tube can be fixed on the infusion tube, meanwhile, whether liquid medicine exists in the infusion tube is detected by adopting the plurality of detection elements which are axially arranged at intervals along the tube groove, when the plurality of detection elements detect that no liquid medicine exists in the infusion tube in sequence, the tube pressing mechanism is started to apply pressure to the infusion tube to enable the flow passage of the infusion tube to be closed, the infusion tube can automatically monitor whether liquid exists in the infusion tube in real time, manual monitoring is not needed, the infusion passage is automatically closed when infusion is completed, and blood return phenomenon is prevented.

In some embodiments, the outer wall of the housing is recessed inwardly to form the tube slot, and the clamping mechanism has a collet that abuts the infusion tube after entering the tube slot.

In some embodiments, the clamping mechanism comprises a clamping piece hinged with the outer wall of the shell, the clamping head is arranged at one end of the clamping piece, and a torsion spring is arranged between the clamping piece and the outer wall of the shell so as to apply clamping force to the infusion tube.

In some embodiments, the pipe pressing mechanism comprises a pressing block and a driving assembly, the pressing block is slidably arranged in the shell, the sliding direction of the pressing block is perpendicular to the axis of the pipe groove, a through hole is formed in one side, opposite to the pressing block, of the pipe groove, the pressing block stretches into the through hole, and the driving assembly drives the pressing block to stretch into or withdraw from the pipe groove through the through hole.

In some embodiments, the driving assembly comprises a motor and a gear, the motor is electrically connected with the control circuit board, the gear is arranged on an output shaft of the motor, and the gear drives the pressing block to slide reciprocally through matching of racks arranged on the pressing block.

In some embodiments, the detection element is a photosensor.

In some embodiments, the detection element is an ultrasonic sensor.

In some embodiments, the detection element is a capacitive sensor.

In some embodiments, a battery is disposed within the housing, the battery being electrically connected to the control circuit board.

In a second aspect, the present utility model provides an infusion monitoring system comprising the infusion monitoring device of the first aspect, the infusion monitoring device being connected to a remote server via a receiver. The system automatically monitors whether liquid exists in the infusion tube in real time through the infusion monitoring device, automatically closes the infusion channel when infusion is completed, and simultaneously can transmit signals to a remote server through the receiver to inform nurses of timely treatment.

Compared with the prior art, the utility model has the following advantages and beneficial effects:

1. according to the infusion monitoring device, the tube groove is formed in the shell, the infusion tube is placed in the tube groove when the infusion monitoring device is used, clamping force is applied to the infusion tube through the clamping mechanism, so that the infusion monitoring device can be fixed on the infusion tube, meanwhile, a plurality of detection elements which are axially arranged at intervals along the tube groove are used for detecting whether liquid medicine exists in the infusion tube, when the detection elements detect that the liquid medicine does not exist in the infusion tube in sequence, the tube pressing mechanism is started to apply pressure to the infusion tube to enable the flow passage of the infusion tube to be closed, the infusion tube can be automatically monitored in real time, whether liquid exists in the infusion tube or not does not need to be monitored manually, the infusion passage is automatically closed when infusion is completed, and the phenomenon of blood return prevention is achieved;

2. The infusion monitoring system is connected with the infusion monitoring device and the remote server through the receiver, and can transmit signals to the remote server when infusion is finished, so that nurses are informed of timely treatment.

Drawings

In order to more clearly illustrate the technical solutions of the exemplary embodiments of the present utility model, the drawings that are needed in the examples will be briefly described below, it being understood that the following drawings only illustrate some examples of the present utility model and therefore should not be considered as limiting the scope, and that other related drawings may be obtained from these drawings without inventive effort for a person skilled in the art. In the drawings:

FIG. 1 is a perspective view of an infusion monitoring device of the present utility model;

FIG. 2 is a schematic view of the interior of a housing of the infusion monitoring device of the present utility model;

FIG. 3 is a schematic view taken along line A-A in FIG. 2;

FIG. 4 is a schematic view in section B-B of FIG. 2;

FIG. 5 is a schematic view of the interior of a housing of another infusion monitoring device in accordance with the present utility model;

FIG. 6 is a schematic view of section C-C of FIG. 5;

FIG. 7 is a schematic diagram of the control of the infusion monitoring device of the present utility model;

Fig. 8 is a schematic diagram of an infusion monitoring system in accordance with the present utility model.

In the drawings, the reference numerals and corresponding part names:

1-shell, 11-tube slot, 12-support, 13-limit slot, 14-stop block, 2-detection element, 3-control circuit board, 41-clamping piece, 42-clamping head, 43-torsion spring, 51-pressing block, 52-motor, 53-gear, 6-battery, 7-cover plate, 81-power key, 82-indicator lamp and 83-alarm.

Detailed Description

For the purpose of making apparent the objects, technical solutions and advantages of the present utility model, the present utility model will be further described in detail with reference to the following examples and the accompanying drawings, wherein the exemplary embodiments of the present utility model and the descriptions thereof are for illustrating the present utility model only and are not to be construed as limiting the present utility model.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application; the terms "comprising" and "having" and any variations thereof in the description of the application and the claims and the description of the drawings above are intended to cover a non-exclusive inclusion.

In the description of embodiments of the present application, the technical terms "first," "second," and the like are used merely to distinguish between different objects and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, a particular order or a primary or secondary relationship.

Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least one embodiment of the application. The appearances of such phrases in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. Those of skill in the art will explicitly and implicitly appreciate that the embodiments described herein may be combined with other embodiments.

In the description of the embodiments of the present application, the term "and/or" is merely an association relationship describing an association object, and indicates that three relationships may exist, for example, a and/or B may indicate: there are three cases, a, B, a and B simultaneously. In addition, the character "/" herein generally indicates that the front and rear associated objects are an "or" relationship.

In the embodiments of the present application, the same reference numerals denote the same components, and detailed descriptions of the same components are omitted in different embodiments for the sake of brevity. It should be understood that the thickness, length, width, etc. dimensions of the various components in the embodiments of the application shown in the drawings, as well as the overall thickness, length, width, etc. dimensions of the integrated device, are merely illustrative and should not be construed as limiting the application in any way.

In the description of the embodiments of the present application, the term "plurality" means two or more (including two), and similarly, "plural sets" means two or more (including two), and "plural sheets" means two or more (including two), unless otherwise specifically defined.

In the description of the embodiments of the present application, the orientation or positional relationship indicated by the technical terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. are based on the orientation or positional relationship shown in the drawings, and are merely for convenience of description and simplification of the description, and do not indicate or imply that the apparatus or element referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the embodiments of the present application.

In the description of the embodiments of the present application, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured" and the like should be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally formed; or may be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the embodiments of the present application will be understood by those of ordinary skill in the art according to specific circumstances.

Referring to fig. 1-4 and fig. 7, an infusion monitoring device provided in an embodiment of the application includes a housing 1 and a clamping mechanism, wherein a tube slot 11 is formed on an outer wall of the housing 1, and the clamping mechanism is used for clamping an infusion tube placed in the tube slot 11; the shell 1 is internally provided with two detection elements 2, a control circuit board 3 and a tube pressing mechanism, wherein the two detection elements 2 are axially arranged at intervals along a tube groove 11 and are used for detecting whether liquid medicine exists in the infusion tube; the control circuit board 3 is electrically connected with the detection element 2 and the tube pressing mechanism, and is used for controlling the tube pressing mechanism to apply pressure to the infusion tube to enable the flow passage of the infusion tube to be closed when no liquid medicine in the infusion tube is detected.

The shell 1 is square in structure and can be made of plastic materials. The side of the shell 1 facing away from the clamping mechanism is provided with an opening, and the shell further comprises a cover plate 7 for sealing the opening, and the cover plate 7 and the shell 1 define a cavity for accommodating the detection element 2, the control circuit board 3 and the pipe pressing mechanism. It should be noted that, when no liquid medicine is detected in the infusion tube, the "control the tube pressing mechanism to apply pressure to the infusion tube to close the flow passage" is realized by adopting an electronic element logic structure, and is not a computer program.

Through setting up the tube chute on the casing, place the transfer line in the tube chute during the use to exert clamping force to the transfer line through fixture, so that the device can fix on the transfer line, adopt two detecting element that follow tube chute axial interval to arrange simultaneously to detect the transfer line in have the liquid medicine, when two detecting element successively detect in the transfer line no liquid medicine, then start the transfer line mechanism and exert pressure to make its runner closure to the transfer line, whether the device can automatic real-time supervision transfer line has liquid, need not manual monitoring, and automatic shutdown infusion passageway prevents back blood phenomenon when the infusion is accomplished.

According to some embodiments of the application, the outer wall of the housing 1 is recessed inwards to form the tube slot 11, and the clamping mechanism is provided with a clamping head 42, and the clamping head 42 is abutted with the infusion tube after entering the tube slot 11. Specifically, the groove width of the pipe groove 11 is matched with the pipe diameter of the infusion pipe. Preferably, the clamping head 42 is made of black rubber or silica gel, and the width of the clamping head 42 is matched with the groove width of the pipe groove 11. The black clamp is adopted, and after the clamp enters the pipe groove, the inlet of the pipe groove can be plugged, so that the influence of external light on the detection of the existence of liquid medicine in the infusion pipe is reduced; meanwhile, the rubber or silica gel material has certain elasticity, and can further avoid relative sliding with the infusion tube after contacting with the infusion tube.

According to some embodiments of the application, the clamping mechanism comprises a clamping piece 41 hinged with the outer wall of the casing 1, the clamping head 42 is arranged at one end of the clamping piece 41, and a torsion spring 43 is arranged between the clamping piece 41 and the outer wall of the casing 1 so as to apply clamping force to the infusion tube. Specifically, the clamping piece 41 is hinged to the outer wall of the shell 1 through the support 12, and the clamping head 42 is fixedly connected with the end of the clamping piece 41 through bonding or other modes.

The torsion spring 43 acts to deflect the end of the clip 41 away from the tube groove 11 to a side away from the outer wall of the housing 1 in an initial state to move the collet 42 in the direction of the groove bottom of the tube groove 11, thereby applying a clamping force to the infusion tube. By pressing the ends of the clip 41, the clip 41 is rotated about the support 12 against the force of the torsion spring 43 so that the clip 42 can be withdrawn from the channel 11.

According to some embodiments of the present application, the pipe pressing mechanism includes a pressing block 51 and a driving assembly, the pressing block 51 is slidably disposed in the housing 1, and the sliding direction is perpendicular to the axis of the pipe groove 11, a through hole is formed on a side of the pipe groove 11 opposite to the pressing block 51, the pressing block 51 extends into the through hole, and the driving assembly drives the pressing block 51 to extend into or withdraw from the pipe groove 11 through the through hole. Specifically, in order to make the sliding direction of the pressing block controllable, a limiting groove 13 is disposed in the housing 1, and the groove width of the limiting groove 13 is adapted to the width of the pressing block 51. Meanwhile, the size of the through hole is adapted to the size of the cross section of the pressing block 51, so that a certain limiting effect can be provided when the pressing block slides. In order to avoid deformation of the side wall of the tube groove when the pressing block presses the infusion tube, a stop block 14 can be arranged outside the tube groove 11.

According to some embodiments of the present application, the driving assembly includes a motor 52 and a gear 53, the motor 52 is electrically connected with the control circuit board 3, the gear 53 is disposed on an output shaft of the motor 52, and the gear 53 drives the pressing block 51 to slide reciprocally through a rack disposed on the pressing block 51. Specifically, the pressing block 51 may be designed into an L shape, that is, may be formed of two sections with different thicknesses, wherein a thicker section is always matched with the through hole formed on the side surface of the pipe groove 11 during the sliding process, and a rack structure matched with the gear 53 is designed on a thinner section. When the pressing block slides reciprocally, the pressing block is limited by the limiting groove and the through hole, and meanwhile, the sliding direction is always perpendicular to the axis of the pipe groove through gear matching. The motor 52 is a stepping motor so as to control the reciprocating sliding displacement of the pressing block.

According to some embodiments of the application, the detection element 2 may be a photosensor. The photoelectric sensor has a transmitting portion and a reflecting portion, and is provided on both sides of the tube groove 11 in the width direction, and through holes are provided on both sides of the tube groove 11 so that the optical signal can pass through, and the presence or absence of the chemical liquid in the infusion tube is monitored by utilizing the change of the luminous flux. Of course, the detection element 2 may also be an ultrasonic sensor, which is arranged in a similar manner.

Referring to fig. 5 and 6, according to some embodiments of the application, the detecting element 2 may also be a capacitive sensor. The capacitance sensor may have a sheet-like sensing portion, and may be disposed below the bottom of the tube groove 11, and a through hole may be formed in the bottom of the tube groove, so that the sensing portion may be in contact with the infusion tube, and the sensing portion may be used to monitor the capacitance change when the infusion tube has or has no liquid medicine.

According to some embodiments of the application, a battery 6 is disposed in the housing 1, and the battery 6 is electrically connected to the control circuit board 3. Of course, the battery may be a dry battery or a rechargeable battery.

According to some embodiments of the present application, the casing 1 may further be provided with a power key 81 electrically connected to the control circuit board 3, an indicator light 82, and an alarm 83, where the power key 81 is used to control the switch of the monitoring device, the indicator light 82 is used to display the working state, and the alarm 83 is used to alarm after the transfusion is completed. Alarm 83 may be an audible and visual alarm.

According to some embodiments of the present application, a wireless communication module may be further disposed in the housing 1, and the wireless communication module is electrically connected to the control circuit board 3, so as to send a signal to the outside after the transfusion is completed.

Referring to fig. 8, an infusion monitoring system provided in an embodiment of the application includes the infusion monitoring device described above, where the infusion monitoring device is connected to a remote server through a receiver. The system automatically monitors whether liquid exists in the infusion tube in real time through the infusion monitoring device, automatically closes the infusion channel when infusion is completed, and simultaneously can transmit signals to a remote server through the receiver to inform nurses of timely treatment.

Taking hospital inpatient wards as an example, each ward may have a plurality of infusion monitoring devices connected to a remote server of a nurse station through a receiver. When the infusion monitoring device at a certain bed monitors that infusion is finished, the infusion channel is automatically closed, signals are sent to the receiver, and after the remote server receives the signals, nurses are prompted to process in time.

The foregoing description of the embodiments has been provided for the purpose of illustrating the general principles of the utility model, and is not meant to limit the scope of the utility model, but to limit the utility model to the particular embodiments, and any modifications, equivalents, improvements, etc. that fall within the spirit and principles of the utility model are intended to be included within the scope of the utility model.

Claims (10)

1. The infusion monitoring device is characterized by comprising a shell and a clamping mechanism, wherein a tube groove is formed in the outer wall of the shell, and the clamping mechanism is used for clamping an infusion tube placed in the tube groove; the shell is internally provided with at least two detection elements, a control circuit board and a tube pressing mechanism, wherein the detection elements are axially arranged at intervals along the tube slot and are used for detecting whether liquid medicine exists in the infusion tube or not; the control circuit board is electrically connected with the detection element and the tube pressing mechanism and is used for controlling the tube pressing mechanism to apply pressure to the infusion tube to enable the flow passage of the infusion tube to be closed when no liquid medicine in the infusion tube is detected.

2. The infusion monitoring device of claim 1, wherein the outer wall of the housing is recessed inwardly to form the tube slot, and wherein the clamping mechanism has a collet that abuts the infusion tube after entering the tube slot.

3. The infusion monitoring device of claim 2, wherein the clamping mechanism comprises a clip hinged to the outer wall of the housing, the clip being disposed at one end of the clip, a torsion spring being disposed between the clip and the outer wall of the housing to apply a clamping force to the infusion tube.

4. An infusion monitoring device according to any one of claims 1-3, wherein the tube pressing mechanism comprises a pressing block and a driving assembly, the pressing block is slidably arranged in the housing, the sliding direction is perpendicular to the axis of the tube groove, a through hole is formed in the tube groove at the side opposite to the pressing block, the pressing block stretches into the through hole, and the driving assembly drives the pressing block to stretch into or withdraw from the tube groove through the through hole.

5. The infusion monitoring device of claim 4, wherein the drive assembly comprises a motor and a gear, the motor is electrically connected with the control circuit board, the gear is arranged on an output shaft of the motor, and the gear drives the pressing block to slide reciprocally through a rack arranged on the pressing block in a matching manner.

6. The infusion monitoring device of claim 1, wherein the detection element is a photosensor.

7. The infusion monitoring device of claim 1, wherein the detection element is an ultrasonic sensor.

8. The infusion monitoring device of claim 1, wherein the detection element is a capacitive sensor.

9. The infusion monitoring device of claim 1, wherein a battery is disposed within the housing, the battery being electrically connected to the control circuit board.

10. An infusion monitoring system comprising the infusion monitoring device of any one of claims 1-9, wherein the infusion monitoring device is connected to a remote server via a receiver.