CN211096680U

CN211096680U - Drip alarm for transfusion monitoring

Info

Publication number: CN211096680U
Application number: CN201921678270.2U
Authority: CN
Inventors: 卢云; 李文婧; 寇皓; 蒋巧俐
Original assignee: Zhongnan Hospital of Wuhan University
Current assignee: Zhongnan Hospital of Wuhan University
Priority date: 2019-10-09
Filing date: 2019-10-09
Publication date: 2020-07-28
Anticipated expiration: 2029-10-09

Abstract

The utility model relates to the field of medical appliances, in particular to a drip alarm for monitoring transfusion, which comprises a fixed ring, an infrared module, a processor and a wireless transceiver module, wherein the infrared module, the processor and the wireless transceiver module are arranged on the fixed ring; a push rod is arranged in the side wall of the fixing ring, one or more elastic separation blades are arranged on the push rod, and separation blade holes are respectively formed in the inner side wall of the fixing ring corresponding to each elastic separation blade; during installation, a transfusion tube at the upper end of the dropper enters the fixing ring through the notch, then the fixing ring is sleeved outside the dropper from top to bottom, and then the elastic blocking pieces extend out from the corresponding blocking piece holes through the up-and-down sliding push rod to clamp the dropper. The drip alarm is convenient to install, simple in structure, low in cost, flexible to replace, applicable to different infusion bottles and bagged liquid, firm in fixation of the dropper, not prone to falling off, and capable of conducting infusion monitoring more stably.

Description

Drip alarm for transfusion monitoring

[ technical field ] A method for producing a semiconductor device

The utility model relates to the field of medical equipment, concretely relates to bit alarm that can be used to infusion monitoring.

[ background of the invention ]

Nowadays, in many cases, people need to be treated by a drip infusion method when they are ill, but in the process of hanging a drip infusion, patients, accompanying staff or medical staff must pay attention to the amount of liquid medicine in a drip infusion bottle at any time, otherwise, the liquid medicine is easily injected and not found in time, or the drip infusion equipment is touched by accident, the drip infusion equipment is broken down, and the titration speed of the liquid medicine is too fast, too slow or even blocked, which easily causes the phenomena of air injection, blood stasis, swelling or blood return into the blood vessel of the patient, and in severe cases, the consequences are even unreasonable. However, since the medical care personnel cannot timely know the drip infusion completion time of each patient when seeing a lot of patients, and the patients or accompanying personnel may fall asleep and cannot monitor the infusion condition of the liquid medicine in real time, a device capable of timely and effectively monitoring whether the drip infusion is completed or is too fast, too slow, blocked and capable of timely reminding the medical care personnel to perform treatment is needed.

A lot of drip alarm devices have appeared in the prior art, but most need place the drip bottle on the device, and the structure is complicated, and is more troublesome when changing liquid and drip bottle, and the size of drip bottle differs moreover, the device can not adapt to the transfusion bottle of different specifications size, and is troublesome to use, to some bagged drip liquid, is difficult for the installation more. In order to solve the above problems, patent No. cn201711375931.x proposes an infusion alarm device convenient to install, as shown in fig. 1, including a housing 01, an annular groove 02 matching with a dropper, an infusion tube clamp 03, a start switch 04, an infrared emitter 05, an audible and visual alarm 06, etc., when installing, the dropper is clamped in the annular groove 02, and an infusion tube above the dropper is clamped on the infusion tube clamp 03. The device starts to work when the starting switch 04 is pressed down at the beginning of infusion, the infusion condition is monitored by the infrared emitter 05, and when abnormality occurs in the infusion process, medical staff are reminded by the audible and visual alarm 06. However, in the device, the dropper is fixed only by the annular clamping groove 02 and the infusion tube clamp 03 as shown in the figure, so that the dropper is not firmly fixed and is easy to fall off; for example, if a patient or other personnel accidentally touches a dropper bottle, a dropper or an infusion tube during infusion, the infusion tube may be separated from the infusion tube clamp 03, the dropper may be separated from the annular clamping groove 02, and the whole housing 01 may fall, so that the infusion monitoring cannot be continued. In addition, the device need start the switch through manual just can begin the monitoring, also need manual closing switch just can end the monitoring after the infusion is accomplished, uses convenient intelligence inadequately. Therefore, a drip alarm is needed, which can be conveniently mounted and dismounted, can be firmly fixed and is not easy to fall off, so that the transfusion monitoring can be carried out more conveniently and continuously.

In view of the above, it is an urgent problem in the art to overcome the above-mentioned drawbacks of the prior art.

[ Utility model ] content

The utility model discloses the technical problem that needs to solve is:

the traditional drip alarm device usually needs to place a drip bottle on the device, has a complex structure and is troublesome to replace, and cannot adapt to hanging bottles and bagged liquid with different specifications; even if the alarm device is convenient to install, the problems that the dropper is not firmly fixed and is easy to fall off exist, so that the infusion monitoring is influenced.

The utility model discloses a following technical scheme reaches above-mentioned purpose:

the utility model provides a drip alarm for monitoring transfusion, which comprises a fixed ring 1, an infrared module 2, a processor 3 and a wireless transceiver module 4 which are arranged on the fixed ring 1, wherein the inner diameter of the fixed ring 1 is coupled with the size of a dropper, the inner diameter of the upper port of the fixed ring 1 is coupled with the size of a transfusion tube, and a notch is arranged on one side of the fixed ring 1;

a slidable push rod 11 is arranged in the side wall of the fixing ring 1, one or more inward elastic blocking pieces 12 are arranged on the push rod 11, and blocking piece holes 13 are respectively formed in the inner side wall of the fixing ring 1 corresponding to each elastic blocking piece 12;

when the infusion tube is installed, the infusion tube at the upper end of the dropper firstly enters the fixing ring 1 through the notch, then the fixing ring 1 is sleeved on the outer side of the dropper from top to bottom, and then the push rod 11 is slid up and down to enable the elastic blocking pieces 12 to extend out of the corresponding blocking piece holes 13 so as to clamp the dropper;

infrared module 2 is used for the drip titration condition of record drip in the burette to with data transfer to treater 3, treater 3 is used for handling titration data, and then judges the titration speed of drip and whether accomplish the titration, and with the result through when the drip is unusual or the drip is accomplished wireless transceiver module 4 feeds back to medical personnel.

Preferably, the infrared module 2 includes an infrared light emitting tube 21 and an infrared receiving tube 22, which are respectively used for emitting and receiving infrared light, the infrared light emitting tube 21 and the infrared receiving tube 22 are symmetrically disposed on the inner side wall of the fixing ring 1, so that when a drip drips in the drip tube, the infrared light emitted by the infrared light emitting tube 21 passes through the drip and then reaches the infrared receiving tube 22.

Preferably, a sliding switch 14 is arranged on the outer side of the push rod 11, one end of the sliding switch 14 is connected with the push rod 11 in the side wall of the fixing ring 1, and the other end extends out of the fixing ring 1;

a slide way 15 is arranged in the side wall of the fixing ring 1 corresponding to the push rod 11, a slide groove 16 is arranged on the outer wall of the fixing ring 1 corresponding to the sliding switch 14, and the slide way 15 is communicated with the slide groove 16;

each elastic blocking piece 12 is initially received in the slide way 15, and when the sliding switch 14 is pushed to slide along the sliding groove 16, the push rod 11 is driven to slide along the slide way 15, and each elastic blocking piece 12 is gradually extended out from the corresponding blocking piece hole 13.

Preferably, the push rod 11 is provided with an elastic protrusion 17, and the inner side wall of the slide way 15 is provided with a first limit groove 18 and a second limit groove 19 which are matched with each other and correspond to the elastic protrusion 17;

each elastic blocking piece 12 is initially retracted in the slide way 15, and the elastic bulge 17 is coupled in the first limiting groove 18; when the slide switch 14 is pushed, the elastic protrusion 17 is separated from the first limiting groove 18, the push rod 11 slides along the slide way 15 until the elastic protrusion 17 is coupled in the second limiting groove 19, and at this time, each elastic blocking piece 12 extends out of the corresponding blocking piece hole 13, and the slide switch 14 is stopped being pushed.

Preferably, corresponding to each baffle hole 13, the inner side wall of the fixing ring 1 is provided with a first thickness and a second thickness, and the first thickness is smaller than the second thickness;

the first thickness refers to the thickness of the inner side wall above the blocking hole 13, and the second thickness refers to the thickness of the inner side wall below the blocking hole 13.

Preferably, the push rod 11 is annular, and the one or more elastic blocking pieces 12 are divided into two groups and symmetrically arranged on the inner side of the ring of the push rod 11; one end of the slide switch 14 is connected with the middle position of the ring of the push rod 11, and the other end extends out of the fixed ring 1;

initially, each elastic blocking piece 12 is received in the slide way 15, and when the sliding switch 14 is pushed to slide, the push rod 11 is driven to slide along the slide way 15, and each elastic blocking piece 12 gradually and symmetrically extends out from two sides, so that the dropper is clamped from two sides.

Preferably, the number of the push rods 11 is two, and the push rods are symmetrically arranged in the side wall of the fixing ring 1, and one or more inward elastic blocking pieces 12 are arranged on each push rod 11, so that after the installation is completed, the one or more elastic blocking pieces 12 symmetrically extend out from two sides, and then the dropper is clamped from two sides.

Preferably, the drip alarm further comprises a trigger switch 6, wherein the trigger switch 6 is arranged on the inner side wall of the fixing ring 1 and used for sleeving the fixing ring 1 on the outer side of the dropper, and the dropper is in contact with the trigger switch 6 to trigger the drip alarm to start working.

Preferably, the drip alarm further comprises an alarm module 7, wherein the alarm module 7 is arranged at one side of a nurse station or medical staff and is used for receiving the drip abnormity or drip completion signal of the wireless transceiver module 4 and sending an alarm.

Preferably, a writing module is arranged in the processor 3 and is used for recording the current bed number of the drip alarm, so that the drip signal of the wireless transceiver module 4 and the corresponding bed number information are fed back to medical care personnel together.

Compared with the prior art, the beneficial effects of the utility model reside in that:

the utility model provides a drip alarm, which can directly fix the fixing ring outside the drip tube, and clamp the drip tube tightly by the elastic block piece, and monitor the drip condition in the drip tube by the infrared module, and judge the drip speed and whether the drip is finished; the device has the advantages of convenient installation and disassembly, simple structure and low cost, is flexible in liquid replacement and drip bottle replacement, can adapt to infusion bottles and bagged liquid with different specifications, and can ensure that the dropper is more firmly fixed in the fixing ring and is not easy to fall off by the arrangement of the elastic retaining sheet, thereby more stably carrying out infusion monitoring.

[ description of the drawings ]

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the embodiments of the present invention will be briefly described below. It is obvious that the drawings described below are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be obtained from these drawings without inventive effort.

FIG. 1 is a schematic perspective view of a prior art drip alarm device;

fig. 2 is a structural general diagram of a drip alarm for monitoring infusion according to an embodiment of the present invention;

fig. 3 is a schematic perspective view of a drip alarm and a dropper used in a drip bottle for monitoring infusion according to an embodiment of the present invention;

fig. 4 is a schematic view illustrating an installation of a drip alarm for monitoring infusion on a dropper according to an embodiment of the present invention;

FIG. 5 is a front cross-sectional view of the drip alarm along the direction AA' in FIG. 4 according to the embodiment of the present invention;

FIG. 6 is a front sectional view (with the resilient catch retracted) of a drip alarm incorporating the resilient catch according to an embodiment of the present invention; wherein, the right drawing is a left view of the structure in a dotted frame in the left drawing;

FIG. 7 is a front sectional view of a drip alarm with an elastic block piece according to an embodiment of the present invention (in an extended state of the elastic block piece);

FIG. 8 is a front cross-sectional view of another drip alarm with a flexible flap according to an embodiment of the present invention;

FIG. 9 is a top cross-sectional view of the drip alarm of FIG. 8 cut along the dashed line BB';

fig. 10 is a front sectional view of several other retaining rings according to embodiments of the present invention.

[ detailed description ] embodiments

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

In the description of the present invention, the terms "inside", "outside", "longitudinal", "lateral", "up", "down", "top", "bottom", "left", "right", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for convenience of description of the present invention and does not require that the present invention must be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.

Furthermore, the technical features mentioned in the embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other. The present invention will be described in detail with reference to the accompanying drawings and examples.

The embodiment of the utility model provides a drip alarm that can be used to infusion monitoring, as shown in fig. 2-5, be in including solid fixed ring 1 and setting gu infrared module 2, treater 3 and wireless transceiver module 4 on the fixed ring 1, gu fixed ring 1's upper port internal diameter and 10 size couplings of transfer line, gu the internal diameter and the 20 size couplings of burette of 1 lower part of upper port of fixed ring, just gu fixed ring 1 one side is provided with the breach, the size of breach is greater than the external diameter size of transfer line 10, and is less than burette 20's external diameter size.

With continued reference to fig. 6 and 7, in order to fix the dropper 20 more firmly, a slidable push rod 11 is further disposed in the side wall of the fixing ring 1, one or more elastic baffles 12 (two are provided in the drawing, but not limited to only be provided) are disposed on the push rod 11, the elastic baffles 12 facing inward (i.e., toward the center of the fixing ring 1), and baffle holes 13 are respectively formed in the inner side wall of the fixing ring 1 corresponding to each elastic baffle 12, and the baffle holes 13 are coupled to the elastic baffles 12 in size.

In the initial state, namely when the drip alarm is not installed on the dropper 20, the drip alarm is in the state shown in fig. 6, and the elastic blocking pieces 12 are not extended; with reference to fig. 4 to 7, when the drip alarm is installed, the infusion tube 10 at the upper end of the dropper 20 enters the hollow portion in the fixing ring 1 through the gap, and then the fixing ring 1 is pushed from top to bottom, and the fixing ring 1 is sleeved on the outer side of the dropper 20, as shown in fig. 5; then, by sliding the push rod 11 up and down, each elastic flap 12 is extended from the corresponding flap hole 13 to contact the outer wall of the dropper 20, thereby clamping the dropper 20, as shown in fig. 7. After the drip is finished, the push rod 11 is slid up and down to retract each elastic baffle 12 from the corresponding baffle hole 13, and the dropper 20 is released; and then the fixing ring 1 is pushed upwards from bottom to top, so that after the dropper 20 is separated from the fixing ring 1, the infusion tube 10 at the upper end of the dropper 20 is separated from the fixing ring 1 through the notch, and the disassembly is completed. By the structure, the fixing ring 1 is more convenient and flexible to mount and dismount, and the dropper 20 is more firmly fixed.

Wherein, infrared module 2 is used for the drip titration condition of record drip in the burette to with data transfer to processor 3, processor 3 is used for handling titration data, and then judges the titration speed of drip and whether accomplish the titration, and with the result through when the drip is unusual or the drip is accomplished wireless transceiver module 4 feeds back to medical personnel. Referring to fig. 3-5, the infrared module 2 includes an infrared light emitting tube 21 and an infrared receiving tube 22, which are symmetrically disposed at the inner side of the fixing ring 1, for emitting and receiving infrared light rays, respectively; the emission port of the infrared light emitting tube 21 is opposite to the receiving port of the infrared receiving tube 22, so that when no drip drops in the drip tube, the infrared light emitted by the infrared light emitting tube 21 directly reaches the infrared receiving tube 22; when a drip drops in the dropper, the infrared ray emitted by the infrared light emitting tube 21 passes through the drip from left to right and then reaches the infrared receiving tube 22.

In the drip alarm provided by the embodiment of the utility model, the fixing ring can be directly sleeved and fixed outside the dropper, the dropper is clamped tightly by the elastic baffle, the drip condition in the dropper is monitored by the infrared module, and the drip speed and the completion of the drip are judged; the device has the advantages of convenient assembly and disassembly, simple structure, low cost, flexible liquid and drip bottle replacement, adaptability to infusion bottles and bagged liquid with different specifications, and capability of ensuring that the drip tube is more firmly fixed in the fixing ring and is not easy to fall off due to the arrangement of the elastic baffle plate, thereby more stably carrying out infusion monitoring; by feeding back the drip signal to the medical care personnel in time, the medical care personnel can check and process in time, and unnecessary troubles and medical accidents caused by human negligence are avoided.

With continued reference to fig. 6 and 7, a sliding switch 14 is disposed on the outer side (i.e., the right side in the drawing) of the push rod 11, one end of the sliding switch 14 is connected to the push rod 11 inside the side wall of the fixing ring 1, and the other end extends out of the fixing ring 1. A slide way 15 is arranged in the side wall of the fixing ring 1 corresponding to the push rod 11 so as to facilitate the push rod 11 to slide up and down in the wall; the outer wall of the fixing ring 1 is provided with a sliding groove 16 corresponding to the sliding switch 14, so that the sliding switch 14 can slide up and down, and the sliding way 15 is communicated with the sliding groove 16. Furthermore, an elastic bulge 17 is arranged on the push rod 11, and the elastic bulge can be in an arc shape; the inner side wall of the slide way 15 is provided with a first limit groove 18 and a second limit groove 19 which are matched with each other in size and shape and correspond to the elastic bulge 17.

As shown in fig. 6, in the initial state, each elastic blocking piece 12 is received in the slide way 15, and the elastic protrusion 17 is coupled in the first limiting groove 18; when the slide switch 14 is pushed to slide downwards along the sliding groove 16, the push rod 11 can be driven to slide downwards along the sliding way 15, so that the elastic protrusion 17 is separated from the first limiting groove 18, the push rod 11 continues to slide downwards along the sliding way 15 until the elastic protrusion 17 is coupled in the second limiting groove 19, at this time, each elastic baffle 12 just extends out from the corresponding baffle hole 13, the dropper 20 is clamped, as shown in fig. 7, at this time, the slide switch 14 is stopped being pushed, and the dropper 20 is fixed completely. After the use, the slide switch 14 is pushed to slide downwards along the slide slot 16, so that the elastic protrusion 17 is separated from the second limiting groove 19, the push rod 11 slides upwards along the slide way 15 until the elastic protrusion 17 is coupled in the first limiting groove 18, at this time, the elastic blocking pieces 12 are retracted into the slide way 15 again, and the clamping force on the dropper 20 is removed, as shown in fig. 6.

Each elastic blocking piece 12 can be made of elastic rubber material, polyurethane material, etc., so that the elastic blocking piece 12 can be conveniently extended and retracted from the inside of the slideway 15, the outer wall of the dropper 20 is not easily damaged when contacting the dropper 20, and the dropper 20 can be better clamped and fixed by using the friction force between the elastic blocking piece 12 and the dropper 20.

Meanwhile, in order to better realize the extension and retraction of the elastic barrier 12, the inner side wall of the fixing ring 1 is provided with two thicknesses of a first thickness and a second thickness corresponding to each barrier hole 13, and the first thickness is smaller than the second thickness. Referring to fig. 6 and 7, for any of the catch holes 13, the first thickness refers to an inner side wall thickness located above the catch hole 13, and the second thickness refers to an inner side wall thickness located below the catch hole 13; that is, the inner diameter of the slide 15 is respectively provided with a first outer diameter and a second outer diameter, and the first outer diameter (corresponding to the inner side wall of the fixing ring 1 with the first thickness) is larger than the second outer diameter (corresponding to the inner side wall of the fixing ring 1 with the second thickness). Therefore, in the initial state, the elastic blocking piece 12 can be just accommodated in the slide way 15 corresponding to the first outer diameter, and the inner diameter of the slide way 15 is larger, so that the accommodation is more convenient; when the sliding switch 14 is pushed downwards, the elastic blocking piece 12 gradually goes downwards, and when the inner side wall of the fixing ring 1 at the second thickness is reached, the second thickness is larger, so that the elastic blocking piece 12 can be prevented from going downwards continuously, and the elastic blocking piece 12 can be more favorably extended out of the corresponding blocking piece hole 13 beside.

In a specific embodiment, in order to realize the symmetrical clamping of the dropper 20 from two sides, two push rods 11 are provided and are symmetrically arranged in the side wall of the fixing ring 1; corresponding sliding switches 14, slideways 15 and sliding grooves 16 are respectively arranged corresponding to each push rod 11, and one or more inward elastic blocking pieces 12 are arranged on each push rod 11. That is, the structure of the push rod 11 on each side is as shown in fig. 6 and 7, and is changed from a single-side arrangement to a left-right symmetrical arrangement, so that after the installation is completed, the one or more elastic blocking pieces 12 symmetrically extend from both sides, and the dropper 20 is clamped from both sides, so that the dropper is more firmly fixed.

In the above embodiment, when two push rods 11 are provided, two corresponding slide switches are required to be provided for slide control, which brings certain inconvenience to the operation. In order to achieve more convenient control, in another specific embodiment, as shown in fig. 8 and 9, the push rod 11 is annular, the one or more elastic stopping pieces 12 are divided into two groups and symmetrically arranged on the inner side of the push rod 11, and the inner side wall of the fixing ring 1 corresponding to each elastic stopping piece 12 is respectively provided with a stopping piece hole. One end of the slide switch 14 is connected with the middle position of the ring of the push rod 11, and the other end extends out of the fixed ring 1. Correspondingly, an annular slide way is arranged in the side wall of the fixing ring 1 corresponding to the push rod 11, so that the push rod 11 can slide up and down in the wall; the outer wall of the fixing ring 1 is provided with a sliding groove corresponding to the sliding switch 14, so that the sliding switch 14 can slide up and down, and the sliding groove is communicated with the sliding groove. Therefore, each elastic blocking piece 12 is initially retracted in the slide way, when the sliding switch 14 is pushed to slide, the push rod 11 is driven to slide along the slide way, and each elastic blocking piece 12 gradually and symmetrically extends from the left side and the right side, so that the dropper 20 is clamped from both sides. Compared with the previous embodiment, the structure can adopt a sliding switch to simultaneously control the extension and retraction of the elastic blocking sheets 12 at two sides, and the control is more convenient and synchronous.

As shown in fig. 3 and 4, in the embodiment of the present invention, the overall shape of the fixing ring 1 is a cylinder, and besides, the fixing ring 1 may also be a prism, a truncated cone, or a truncated pyramid, which is not specifically limited herein. In general, the section view of the hollow structure inside the fixing ring 1 can be in a shape of a Chinese character 'tu', and the section view is coupled with the shapes of the dropper 20 and the infusion tube 10 at the upper end of the dropper, as shown in fig. 5; besides, the cross section of the hollow structure in the fixing ring 1 can have other shapes, as shown in fig. 10, it is only necessary to ensure that the inner diameter of the upper port of the fixing ring 1 is coupled with the infusion tube 10 in size, and the inner diameter below the upper port of the fixing ring 1 is coupled with the dropper 20 in size, so that the fixing ring 1 can be sleeved outside the dropper. Regardless of the design shape, the process of mounting and dismounting the fixing ring 1 is similar to the above-described method, and is not described herein again.

Referring to fig. 2, in the embodiment of the present invention, a complete drip alarm further includes a first power module 5 and an alarm module 7. The first power supply module 5 is arranged on the fixing ring 1, and a storage battery is preferably used here for supplying power to the infrared module 2, the processor 3 and the wireless transceiver module 4, so as to ensure the normal operation of the drip alarm. Correspondingly, the drip alarm further comprises a power switch, and the power switch can be arranged on the outer side of the fixing ring 1 and used for controlling the starting and the closing of the first power module 5. Specifically, when the fixing ring 1 is sleeved outside the dropper, a medical worker can operate the power switch to enable the first power module 5 to start power supply, so that the whole drip alarm starts to work, namely, the drip condition is detected and alarm feedback is given; after the drip infusion is finished, the medical staff can operate the power switch again to stop the power supply of the first power module 5, so that the whole drip alarm stops working, and at the moment, the fixing ring 1 can be taken down from the dropper.

In combination with the embodiment of the present invention, there is also a preferred implementation scheme, as shown in fig. 3 and fig. 4, the drip alarm further includes a trigger switch 6, the trigger switch 6 is disposed in the inner side of the fixing ring 1, and when the fixing ring 1 is sleeved outside the dropper, the dropper can contact and press the trigger switch 6, and then the drip alarm can be directly triggered to start working, i.e., detecting the drip condition and the alarm feedback. Through setting up trigger switch, can trigger alarm work after will fixing solid ring 1 installation, can make alarm stop work after will fixing solid ring 1 and take off, and need not to operate through medical personnel again switch controls to make the operation more convenient, simple.

As shown in fig. 2, in the embodiment of the present invention, the alarm module 7 is preferably disposed at a nurse station or at one side of a medical care provider, and is wirelessly connected to the wireless transceiver module 4, and when the alarm module 7 receives a signal from the wireless transceiver module 7, an alarm is given, so that the medical care provider can know the infusion condition of a patient more intuitively and timely, and take reasonable treatment measures; the alarm mode of the alarm module 7 can be light alarm, sound alarm, or both light alarm and sound alarm. For example, the alarm module 7 may be specifically an alarm lamp or a buzzer, and when a more intuitive and effective prompt needs to be obtained, the buzzer or the buzzer and the alarm lamp may be selected, and sound or sound and light are used to alarm; when the silence is needed, only the alarm lamp can be selected, and the alarm is given out by utilizing the light flicker. Alarm module 7 fixed mounting is in nurse station to the personnel on duty at nurse station in time acquire the information, also can set up on a portable equipment, conveniently carries with oneself as the medical personnel of value, anytime and anywhere knows patient's state of dribbling. For convenience give alarm module 7 supplies power, the drip alarm still includes second power module 8, second power module 8 sets up in nurse station or medical personnel one side, promptly with alarm module 7 sets up in one side, as figure 2, so that for alarm module 7 provides working power.

According to the structure, the specific working principle of the drip alarm is as follows: the infrared light emitting tube 21 emits infrared light, and when a droplet is dropped in the dropper 20, the infrared light is disturbed by the droplet to be scattered, so that an infrared signal reaching the infrared receiving tube 22 is changed. The processor 3 may perform calculation processing on the changed signal, obtain the number of drops dropped in a certain time period (for example, within 5 s) according to the number of times of the signal change, and further calculate the dropping speed in the dropper 20, if the dropping speed is within a preset range, the processor 3 determines that the dropper bottle is in a normal state, and if the dropping speed is not within the preset range, the processor 3 determines that the dropping is abnormal or the dropping is completed. The preset range can be set according to the specific actual conditions such as the condition of a patient, the type and specification of liquid medicine in the infusion bottle and the like, for example, when children inject common medicines, the preset speed range can be 20 drops/min-40 drops/min, when the infusion speed is in the range, the infusion is normal, when the infusion speed is higher than 40 drops/min, the processor 3 judges that the infusion is abnormal, the infusion speed is too high, and at the moment, the problem of the infusion equipment or the mistaken collision of a speed control structure is possible; when the dropping speed is less than 20 drops/min, the processor 3 judges that the dropping is abnormal and the dropping speed is too low, and at this time, problems may occur in the dropping equipment, such as blockage of an infusion tube, or the dropping of the liquid medicine in the dropping bottle is finished; when the abnormality occurs, the processor 3 transmits the result to the wireless transceiver module 4, the wireless transceiver module 4 transmits the result to the alarm module 7, the alarm module 7 sends out light alarm and/or sound alarm, and medical personnel can check and process the drip injection problem of the patient in time after obtaining the alarm information.

Combine the embodiment of the utility model provides a, there is still an optimal implementation scheme, be provided with the module of writing in the treater 3, be used for typing in the current position number of place of drip alarm ware, so that 4 drip signals of wireless transceiver module and corresponding bed number information feed back to medical personnel together. This kind of scheme is particularly useful for a medical personnel need to look after the condition of a plurality of patients, when beginning to carry out the drip injection to the patient of every sick bed, medical personnel will gu fixed ring 1 cup joints on the burette that corresponds, records current sick bed number through the write-in module of treater 3 simultaneously, supposes alarm module 7 sets up on a portable equipment, by the medical personnel who is worth hand-carrying, alarm module 7 should still have the display screen this moment for show sick bed number. When the drip condition of a patient in a certain sickbed is abnormal, the alarm module 7 gives an alarm, and the number of the sickbed with the abnormal drip injection is displayed on the display screen, so that medical workers can directly find the corresponding sickbed according to the alarm information to check and process the sickbed, and therefore, a plurality of drip alarms can share one alarm module, the cost is saved, the positioning is convenient, the time of the medical workers is saved, and the processing efficiency is improved.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. A drip alarm for monitoring transfusion is characterized by comprising a fixing ring (1), an infrared module (2), a processor (3) and a wireless transceiver module (4), wherein the infrared module, the processor (3) and the wireless transceiver module (4) are arranged on the fixing ring (1), the inner diameter of the fixing ring (1) is coupled with the size of a dropper, the inner diameter of an upper port of the fixing ring (1) is coupled with the size of a transfusion tube, and a notch is formed in one side of the fixing ring (1);

a slidable push rod (11) is arranged in the side wall of the fixing ring (1), one or more inward elastic blocking pieces (12) are arranged on the push rod (11), and blocking piece holes (13) are respectively formed in the inner side wall of the fixing ring (1) corresponding to each elastic blocking piece (12);

when the dropper is installed, the infusion tube at the upper end of the dropper firstly enters the fixing ring (1) through the notch, then the fixing ring (1) is sleeved on the outer side of the dropper from top to bottom, and then the elastic blocking pieces (12) extend out of the corresponding blocking piece holes (13) by sliding the push rod (11) up and down to clamp the dropper;

infrared module (2) are used for the drip titration condition of record drip in the burette to with data transfer to treater (3), treater (3) are used for handling titration data, and then judge the titration speed of drip and whether accomplish and titrate, and pass through the result when dripping unusual or the drip is accomplished wireless transceiver module (4) feed back to medical personnel.

2. The drip alarm for monitoring transfusion according to claim 1, wherein the infrared module (2) comprises an infrared light emitting tube (21) and an infrared receiving tube (22) for emitting and receiving infrared light respectively, the infrared light emitting tube (21) and the infrared receiving tube (22) are symmetrically arranged on the inner side wall of the fixing ring (1), so that when a drip drips in the drip tube, the infrared light emitted by the infrared light emitting tube (21) passes through the drip and then reaches the infrared receiving tube (22).

3. The drip alarm for monitoring transfusion according to claim 1, wherein a slide switch (14) is arranged on the outer side of the push rod (11), one end of the slide switch (14) is connected with the push rod (11) in the side wall of the fixing ring (1), and the other end extends out of the fixing ring (1);

a slide way (15) is arranged in the side wall of the fixing ring (1) corresponding to the push rod (11), a sliding groove (16) is arranged on the outer wall of the fixing ring (1) corresponding to the sliding switch (14), and the slide way (15) is communicated with the sliding groove (16);

each elastic blocking piece (12) is initially received in the slide way (15), and when the sliding switch (14) is pushed to slide along the sliding groove (16), the push rod (11) is driven to slide along the slide way (15), and each elastic blocking piece (12) is gradually extended out from the corresponding blocking piece hole (13).

4. The drip alarm for monitoring transfusion according to claim 3, wherein the push rod (11) is provided with an elastic projection (17), and the inner side wall of the slide way (15) is provided with a first limit groove (18) and a second limit groove (19) which are matched with each other and correspond to the elastic projection (17);

each elastic blocking piece (12) is initially received in the slide way (15), and the elastic bulge (17) is coupled in the first limiting groove (18); when the sliding switch (14) is pushed, the elastic protrusion (17) is separated from the first limiting groove (18), the push rod (11) slides along the slide way (15) until the elastic protrusion (17) is coupled in the second limiting groove (19), and at the moment, each elastic blocking piece (12) extends out of the corresponding blocking piece hole (13) to stop pushing the sliding switch (14).

5. A drip alarm usable in monitoring an infusion solution according to claim 3, wherein the inner side wall of the fixing ring (1) is provided with two thicknesses of a first thickness and a second thickness, corresponding to each of the catch holes (13), and the first thickness is smaller than the second thickness;

the first thickness refers to the thickness of the inner side wall above the blocking piece hole (13), and the second thickness refers to the thickness of the inner side wall below the blocking piece hole (13).

6. A drip alarm for monitoring infusion according to claim 3, wherein the push rod (11) is ring-shaped, and the one or more elastic blocking pieces (12) are divided into two groups, and are symmetrically arranged at the inner side of the ring of the push rod (11); one end of the sliding switch (14) is connected with the middle position of the ring of the push rod (11), and the other end of the sliding switch extends out of the fixed ring (1);

when the sliding switch (14) is pushed to slide, the push rod (11) is driven to slide along the slide way (15), and the elastic blocking pieces (12) gradually extend out symmetrically from two sides, so that the dropper is clamped from two sides.

7. A drip alarm for monitoring infusion according to claim 1, wherein there are two push rods (11) symmetrically arranged in the side wall of the fixing ring (1), and each push rod (11) is provided with one or more inwardly facing resilient flaps (12), so that after mounting, the one or more resilient flaps (12) symmetrically extend from both sides to clamp the dropper from both sides.

8. The drip alarm capable of being used for infusion monitoring according to any one of claims 1-7, further comprising a trigger switch (6), wherein the trigger switch (6) is disposed on an inner side wall of the fixing ring (1) and is used for contacting the dropper with the trigger switch (6) while the fixing ring (1) is sleeved on the outer side of the dropper, so as to trigger the drip alarm to start operating.

9. The drip alarm capable of monitoring transfusion according to any one of claims 1-7, further comprising an alarm module (7), wherein the alarm module (7) is disposed at a nurse station or a medical staff side, and is used for receiving the drip abnormality or drip completion signal of the wireless transceiver module (4) and sending out an alarm.

10. The drip alarm for monitoring transfusion according to any one of claims 1-7, wherein a writing module is disposed in the processor (3) for recording the bed number of the drip alarm currently located, so that the drip signal of the wireless transceiver module (4) and the corresponding bed number information are fed back to the medical staff together.