Transfusion alarm device

Abstract

The utility model provides an infusion alarm device which comprises a liquid sensor, an alarm device and a shell, the shell comprises a clamping part used for being clamped on an infusion tube, the liquid sensor is arranged in the shell and located at the position of the clamping part, and the alarm device is arranged in the shell. The liquid sensor is used for collecting information of the infusion tube located at the clamping part; the alarm device and the liquid sensor are both electrically connected with the controller. When the infusion alarm device is used, whether liquid passes through the infusion tube or not can be monitored in real time, when the liquid sensor detects that no liquid exists in the infusion tube, the alarm device gives an alarm to remind a user to change medicine or release an infusion device, and the situation that blood flows back into the infusion tube due to the fact that treatment is not timely after infusion is finished is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of medical instruments, in particular to an infusion alarm device. Background Art

[0002] Infusion, also known as drip or hanging bottle, is a common method of treatment or nutritional supplementation. It requires hanging the container with liquid medicine at a high place first. The liquid medicine is introduced into the human body's blood vessels through an infusion tube under the action of gravity. The liquid medicine then enters the blood vessels and acts on the human body to achieve the effect of treatment or nutritional supplementation.

[0003] At present, nurses usually monitor the infusion process in hospitals. When the medicine is about to be delivered, the nurse will promptly replace the new medicine or remove the infusion device. However, there may be situations where the medicine is not handled in time when it is about to be delivered, and blood may flow back into the infusion tube. This situation is even worse during self-infusion.

[0004] The above contents are only used to assist in understanding the technical solution of the present utility model and do not constitute an admission that the above contents are prior art. Utility Model Content

[0005] The main purpose of the utility model is to provide an infusion alarm device, aiming to solve the technical problem of the infusion end being not handled in time in the existing infusion device.

[0006] To achieve the above object, an infusion alarm device includes a liquid sensor, a controller, an alarm device and a housing, wherein the housing includes a clamping portion for clamping onto an infusion tube, the liquid sensor is disposed in the housing, and the liquid sensor is located at the clamping portion, and the liquid sensor is used to collect information of the infusion tube located at the clamping portion;

[0007] The alarm device and the liquid sensor are both electrically connected to the controller.

[0008] Optionally, the shell includes a first shell and a second shell, the middle part of the first shell and the middle part of the second shell are rotatably connected, and an elastic mechanism is provided between the first shell and the second shell at one end of the shell, so that the end of the shell away from the elastic mechanism forms the clamping part, and the end of the shell with the elastic mechanism forms a handle part.

[0009] Optionally, the first shell at the clamping portion is provided with a first fixing groove adaptively matched with the infusion tube, and the second shell at the clamping portion is provided with a second fixing groove matched with the first fixing groove.

[0010] Optionally, a plurality of guide plates are provided on the second shell at the clamping portion, and a third fixing groove is provided on a side of the guide plate away from an edge of the shell.

[0011] Optionally, a plurality of the guide plates are evenly spaced apart along the direction of clamping the infusion tube.

[0012] Optionally, the guide piece gradually decreases in height in a direction away from the third fixing groove.

[0013] Optionally, the second shell is provided with two connecting seats, the connecting seats are provided with a rotating shaft, and the central axes of the two rotating shafts are collinear; the first shell is provided with two connecting strips corresponding to the positions of the connecting seats, the connecting strips are provided with rotating holes, and the rotating shaft is located in the rotating holes so that the first shell and the second shell can rotate together.

[0014] Optionally, it also includes a rotating shaft, the second shell is provided with more than two connecting seats, the first shell is provided with more than two connecting strips, the rotating shaft passes through each of the connecting seats and each of the connecting strips, the rotating shaft and the connecting seats are rotatably matched, and the rotating shaft and the connecting strips are rotatably matched.

[0015] Optionally, it further comprises a circuit board, which is fixedly mounted in the housing, and the liquid sensor and the alarm device are both fixedly mounted on the circuit board.

[0016] Optionally, a locking groove is provided on the shell.

[0017] The technical solution in the above utility model has the following beneficial effects:

[0018] The utility model provides an infusion alarm device, which is clamped on an infusion tube when in use, and monitors in real time whether there is liquid passing through the infusion tube through a liquid sensor in the infusion alarm device. When the liquid sensor detects that there is no liquid in the infusion tube, the alarm device sends out an alarm to remind people to change the medicine or release the infusion device, thereby avoiding the situation where blood flows back into the infusion tube due to untimely processing after the infusion is finished.

[0019] The utility model provides an infusion alarm device, which is provided with a liquid sensor and an alarm device for detecting whether there is liquid in the infusion tube and sounding an alarm, thereby solving the technical problem of the infusion device in the prior art that the infusion is not processed in time after completion. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 A three-dimensional diagram (1) of the infusion alarm device involved in the utility model;

[0021] Figure 2 This is a front view of the infusion alarm device involved in the utility model;

[0022] Figure 3This is an exploded view of the infusion alarm device involved in the utility model;

[0023] Figure 4 A three-dimensional diagram (2) of the infusion alarm device involved in the utility model;

[0024] Figure 5 This is an exploded view of the infusion alarm device involved in Example 2 of the utility model;

[0025] Figure 6 The utility model is a schematic diagram of the flow of the infusion alarm device.

[0026] The realization of the purpose, functional features and advantages of the utility model will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0028] It should be noted that all directional indications in the embodiments of the present invention (such as up, down, left, right, front, back...) are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0029] In the present invention, unless otherwise clearly specified and limited, the terms "connection", "fixation", etc. should be understood in a broad sense. For example, "fixation" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0030] In addition, if there are descriptions involving "first", "second", etc. in the embodiments of the utility model, the descriptions of "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In addition, the meaning of "and / or" appearing in the full text includes three parallel schemes. Taking "A and / or B" as an example, it includes scheme A, or scheme B, or a scheme that satisfies both A and B. In addition, the technical solutions between the various embodiments can be combined with each other, but it must be based on the ability of ordinary technicians in this field to implement. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by the utility model.

[0031] Example 1

[0032] See also Figures 1 to 4 The utility model provides an infusion alarm device, which includes a liquid sensor, an alarm device, a controller (not shown in the figure) and a shell, wherein the shell includes a clamping portion 30 for clamping onto an infusion tube, the liquid sensor is arranged in the shell, and the liquid sensor is located at the clamping portion 30, and the liquid sensor is used to collect information of the infusion tube located at the clamping portion; the alarm device and the liquid sensor are both electrically connected to the controller. The shell includes a first shell 1 and a second shell 2, the middle part of the first shell 1 and the middle part of the second shell 2 are rotatably connected, an elastic mechanism is provided between the first shell 1 and the second shell 2 at one end of the shell, so that the end of the shell away from the elastic mechanism forms the clamping portion 30, and the end of the shell provided with the elastic mechanism forms the handle portion 20.

[0033] See also Figures 2-3, the first shell 1 at the clamping part 30 is provided with a first fixing groove 14 that is adaptively matched with the infusion tube, and the second shell 2 at the clamping part 30 is provided with a second fixing groove 22 that matches the first fixing groove 14. The second shell 2 at the clamping part 30 is provided with a plurality of guide pieces 21, and a third fixing groove 211 is provided on the side of the guide piece 21 away from the edge of the shell, and the third fixing groove 211 is used to cooperate with the first fixing groove 14 and the second fixing groove 22 to position and fix the infusion tube. The plurality of guide pieces 21 are evenly spaced and distributed along the direction of clamping the infusion tube. The height of the guide piece 21 gradually decreases along the direction away from the third fixing groove 211. The second shell 2 is provided with two connecting seats 23, and the connecting seats 23 are provided with a rotating shaft 231, and the central axes of the two rotating shafts 231 are collinear; the first shell 1 is provided with two connecting strips 13 corresponding to the position of the connecting seats 23, and the connecting strips 13 are provided with a rotating hole 131, and the rotating shaft 231 is located in the rotating hole 131 so that the first shell 1 and the second shell 2 can rotate and match.

[0034] See also Figures 1 to 4 , this embodiment also includes a circuit board 7, the circuit board 7 is fixedly installed in the housing, in this embodiment the circuit board 7 is fixedly installed in the first housing 1, the liquid sensor 8 and the alarm device are both fixedly installed on the circuit board 7. The elastic structure is a spring 6, the liquid sensor 8 is a capacitive sensing component, the capacitive sensing component includes a metal contact 8, the metal contact 8 is located at the contact point with the infusion tube in the housing, in this embodiment it is located on the lower surface of the circuit board 7, when the infusion tube is clamped, the metal contact 8 just contacts the infusion tube, two metal contacts 8 are provided, the accuracy of detection can be improved, and the two-point contact method is adopted to avoid the phenomenon of inaccurate single-point touch. The utility model adopts capacitive touch technology to realize liquid detection, by measuring and comparing the changes in the capacitance size presented by the two states of the infusion tube being filled with liquid and only air remaining, the monitoring of the change process from the presence to the absence of liquid in the monitored section of the infusion tube is realized, and the infusion alarm function is completed. It is a conventional technology in the art to generate a signal to trigger an alarm according to the change in capacitance, which is realized by the corresponding single-chip microcomputer and program included in the controller, and the utility model does not elaborate on it.

[0035] See also Figures 1 to 4The alarm device in this embodiment includes a buzzer 9 and an LED lamp 4; the housing is provided with a locking slot 11, a charging contact 5, a USB interface 12 and a switch button 3. The infusion alarm device involved in the utility model can be made into a shared infusion alarm device in conjunction with a storage cabinet, similar to the shared power bank and its storage cabinet on the street, wherein the locking slot 11 is used to cooperate with the locking mechanism in the storage cabinet to fix the device in the storage cabinet. The device is fixed in the storage cabinet, the charging contact 5 is used to contact and charge with the corresponding charging contact in the storage cabinet, and the USB interface 12 can be used to connect a computer to modify the program in the device.

[0036] The infusion alarm device involved in the utility model is used by squeezing the handle 20 by hand to clamp the clamping part 30 on the infusion tube, and fixing the position of the infusion tube by the first fixing groove 14, the second fixing groove 22 and the third fixing groove 211. The metal contact 8 on the circuit board 7 contacts the infusion tube filled with liquid. When the infusion tube of the clamping section of the device becomes empty, the capacitance at the metal contact 8 changes, and then the device controls the buzzer 9 to sound, and the LED light 4 emits a double alarm reminder with flashing lights, so that the infusion device can be handled in time, avoiding the undesirable situation of blood backflowing into the infusion tube. In order to improve the standby time of the infusion alarm device, a dynamic sleep mechanism can be adopted, and different detection intervals can be preset according to different scenarios, which prolongs the standby time of the device and improves the detection sensitivity of the device.

[0037] The schematic diagram of the working process of the utility model is as follows Figure 6 As shown, the infusion alarm device is turned on, and the metal contact has different capacitance changes when it contacts an empty tube, a tube full of liquid, and air. The metal contact can detect whether the device is currently clamped on the infusion tube and whether there is liquid in the infusion tube. If the detection fails, a cyclic detection is performed. If the detection passes, it means that the infusion is proceeding normally. Then the metal contact starts to detect whether it is currently clamped on the infusion tube and whether the liquid in the infusion tube disappears. If it fails, a cyclic detection is performed. If it passes, it means that the infusion is over and needs to be processed. The device notifies the buzzer to sound an alarm and notifies the LED light to flash an alarm.

[0038] Example 2

[0039] See also Figures 1-24-5. The utility model provides an infusion alarm device, which includes a liquid sensor, an alarm device, a controller (not shown in the figure) and a shell, wherein the shell includes a clamping portion 30 for clamping onto an infusion tube, the liquid sensor is arranged in the shell, and the liquid sensor is located at the clamping portion 30, and the liquid sensor is used to collect information of the infusion tube located at the clamping portion; the alarm device and the liquid sensor are both electrically connected to the controller. The shell includes a first shell 1 and a second shell 2, the middle part of the first shell 1 and the middle part of the second shell 2 are rotatably connected, an elastic mechanism is provided between the first shell 1 and the second shell 2 at one end of the shell, so that the end of the shell away from the elastic mechanism forms the clamping portion 30, and the end of the shell provided with the elastic mechanism forms the handle portion 20.

[0040] See also Figure 2 , 5 , the first housing 1 at the clamping portion 30 is provided with a first fixing groove 14 that is adaptively matched with the infusion tube, and the second housing 2 at the clamping portion 30 is provided with a second fixing groove 22 that matches the first fixing groove 14. The second housing 2 at the clamping portion 30 is provided with a plurality of guide pieces 21, and a third fixing groove 211 is provided on the side of the guide piece 21 away from the housing edge, and the third fixing groove 211 is used to match the first fixing groove 14 and the second fixing groove 22 to position and fix the infusion tube. The plurality of guide pieces 21 are evenly spaced and distributed along the direction of clamping the infusion tube. The height of the guide piece 21 gradually decreases along the direction away from the third fixing groove 211. This embodiment also includes a rotating shaft 10, two connecting seats 23 are provided on the second housing 2, and two connecting strips 13 are provided on the first housing 22, and the rotating shaft 10 passes through each of the connecting seats 23 and each of the connecting strips 13, and the rotating shaft 10 and the connecting seat 23 are rotatably matched, and the rotating shaft 10 and the connecting strips 13 are rotatably matched.

[0041] See also Figures 1-2, 4-5, this embodiment also includes a circuit board 7, the circuit board 7 is fixedly installed in the housing, in this embodiment the circuit board 7 is fixedly installed in the first housing 1, the liquid sensor 8 and the alarm device are fixedly installed on the circuit board 7. The elastic structure is a spring 6, the liquid sensor 8 is a capacitive sensor assembly, the capacitive sensor assembly includes a metal contact 8, the metal contact 8 is located in the housing and the contact with the infusion tube, in this embodiment, it is located on the lower surface of the circuit board 7, when the infusion tube is clamped, the metal contact 8 just contacts the infusion tube, and two metal contacts 8 are set, which can improve the accuracy of detection, and adopt a two-point contact method to avoid the phenomenon of inaccurate single-point touch. The utility model adopts capacitive touch technology to realize liquid detection, and by measuring and comparing the changes in the capacitance size presented by the two states of the infusion tube being filled with liquid and only air remaining, the monitoring of the change process from the presence to the absence of liquid in the monitored section of the infusion tube is realized, and the infusion alarm function is completed. It is a conventional technology in the field to generate a signal to trigger an alarm according to the change in capacitance, which is realized by a corresponding single-chip microcomputer and a program, and the utility model does not elaborate on it.

[0042] See also Figures 1-2 , 4-5, the alarm device in this embodiment includes a buzzer 9 and an LED lamp 4; the housing is provided with a locking slot 11, a charging contact 5, a USB interface 12 and a switch button 3. The infusion alarm device involved in the utility model can be made into a shared infusion alarm device in conjunction with a storage cabinet, similar to the shared power bank and its storage cabinet on the street, wherein the locking slot 11 is used to cooperate with the locking mechanism in the storage cabinet to fix the device in the storage cabinet. The device is fixed in the storage cabinet, the charging contact 5 is used to contact and charge with the corresponding charging contact in the storage cabinet, and the USB interface 12 can be used to connect a computer to modify the program in the device.

[0043] The infusion alarm device involved in the utility model is used by squeezing the handle portion 20 by hand to clamp the clamping portion 30 on the infusion tube, and the position of the infusion tube is fixed by the first fixing groove 14, the second fixing groove 22 and the third fixing groove 211. The metal contact 8 on the circuit board 7 contacts the infusion tube filled with liquid. When the infusion tube of the clamping section of the device becomes empty, the capacitance at the metal contact 8 changes, and then the device controls the buzzer 9 to sound and the LED light 4 to emit a double alarm reminder with flashing lights, so that the infusion device can be handled in time to avoid the undesirable situation of blood flowing back into the infusion tube.

[0044] The schematic diagram of the working process of the utility model is as follows Figure 6As shown, the infusion alarm device is turned on, and the metal contact has different capacitance changes when it contacts an empty tube, a tube full of liquid, and air. The metal contact can detect whether the device is currently clamped on the infusion tube and whether there is liquid in the infusion tube. If the detection fails, a cyclic detection is performed. If the detection passes, it means that the infusion is proceeding normally. Then the metal contact starts to detect whether it is currently clamped on the infusion tube and whether the liquid in the infusion tube disappears. If it fails, a cyclic detection is performed. If it passes, it means that the infusion is over and needs to be processed. The device notifies the buzzer to sound an alarm and notifies the LED light to flash an alarm.

[0045] The above are only preferred embodiments of the present invention, and are not intended to limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. An infusion alarm device, characterized in that: It includes a liquid sensor, a controller, an alarm device and a housing, wherein the housing includes a clamping portion for clamping onto an infusion tube, the liquid sensor is arranged in the housing, and the liquid sensor is located at the clamping portion, and the liquid sensor is used to collect information of the infusion tube located at the clamping portion; The housing further comprises a first housing and a second housing, the middle portion of the first housing is rotatably connected to the middle portion of the second housing, an elastic mechanism is provided between the first housing and the second housing at one end of the housing, so that the end of the housing away from the elastic mechanism forms the clamping portion, and the end of the housing provided with the elastic mechanism forms a handle portion; The alarm device and the liquid sensor are both electrically connected to the controller.

2. The infusion alarm device according to claim 1, characterized in that: The first shell at the clamping part is provided with a first fixing groove that adaptably matches with the infusion tube, and the second shell at the clamping part is provided with a second fixing groove that matches with the first fixing groove.

3. The infusion alarm device according to claim 1, characterized in that: A plurality of guide plates are arranged on the second shell body at the clamping portion, and a third fixing groove is arranged on a side of the guide plate away from the edge of the shell body.

4. The infusion alarm device according to claim 3, characterized in that: The plurality of guide plates are evenly spaced and distributed along the direction of clamping the infusion tube.

5. The infusion alarm device according to claim 3, characterized in that: The height of the guide piece gradually decreases in a direction away from the third fixing groove.

6. The infusion alarm device according to claim 1, characterized in that: The second shell is provided with two connecting seats, and the connecting seats are provided with a rotating shaft, and the central axes of the two rotating shafts are collinear; the first shell is provided with two connecting strips corresponding to the positions of the connecting seats, and the connecting strips are provided with rotating holes. The rotating shaft is located in the rotating holes so that the first shell and the second shell can rotate and cooperate.

7. The infusion alarm device according to claim 1, characterized in that: It also includes a rotating shaft, the second shell is provided with more than two connecting seats, the first shell is provided with more than two connecting strips, the rotating shaft passes through each of the connecting seats and each of the connecting strips, the rotating shaft and the connecting seats are rotatably matched, and the rotating shaft and the connecting strips are rotatably matched.

8. The infusion alarm device according to claim 1, characterized in that: It also includes a circuit board, which is fixedly installed in the shell, and the liquid sensor and the alarm device are both fixedly installed on the circuit board.

9. The infusion alarm device according to claim 1, characterized in that: A locking groove is provided on the shell.

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