CN214970175U

CN214970175U - Infusion flow rate alarm

Info

Publication number: CN214970175U
Application number: CN202120640993.4U
Authority: CN
Inventors: 蔡佩源; 奚建媛
Original assignee: Wuxi Peoples Hospital
Current assignee: Wuxi Peoples Hospital
Priority date: 2021-03-25
Filing date: 2021-03-25
Publication date: 2021-12-03
Anticipated expiration: 2031-03-25

Abstract

The utility model discloses a transfusion flow rate alarm, which comprises a transfusion bottle and a lifting mechanism, wherein the transfusion bottle is connected with a transfusion device, and the transfusion device is provided with a Murphy's dropper and an exhaust valve. This infusion velocity of flow alarm, the time of the liquid of the infrared sensor monitoring drippage of upper and lower position between top infrared sensor and the below infrared sensor, according to formula vt 2gh 2gh, calculate the speed of dripping v, it is more accurate to set up the data that the multiunit sensor then monitored, when to different liquid medicine or different patients, the extrusion degree between twist grip control flap and the transfer line, thereby adjust the speed of dripping, the speed of dripping of regulation is in setting for the within range, infusion velocity of flow alarm adopts lower cost, the setting is at the top, do not account for the space, small simultaneously, low cost, portable and operation, hospital and individual can both use.

Description

Infusion flow rate alarm

Technical Field

The utility model relates to an infusion flow rate alarm technical field specifically is an infusion flow rate alarm.

Background

The intravenous transfusion therapy is a therapy method which directly drops various liquid medicines or blood into human venous blood by utilizing the action principle of hydrostatic pressure. The intravenous infusion has quick response and wide effect, and is the most important and main treatment means for clinically rescuing and treating patients. Studies have indicated that over 50% of hospitalized patients in the united states require intravenous therapy. China is a big transfusion country, and research questionnaires show that the intravenous transfusion rate of inpatients is as high as 88.9 percent, and the national per-capita transfusion quantity reaches 7.45-8 bags per year. While intravenous infusion therapy brings benefits to patients, technical risks and potential safety hazards also exist, and any negligence in any link may cause adverse reactions.

Besides ensuring safety from the aspect of infusion technology, the accuracy of the administration time and the administration speed is ensured at the same time. With the change of science and technology, infusion alarm devices are in operation. However, the currently used alarm devices generally adopt two alarm modes: one kind adopts and hangs empty to report to the police, can report to the police only after the liquid is infused, there is not monitoring function to the liquid flow rate, under the situation that the infusion drip speed changes because of influence such as patient's position, vascular condition, etc., can't report to the police to the liquid flow rate too fast or too slow; the other type adopts an infusion pump to input liquid at a set constant dropping speed, and although the flow rate and the hanging empty are accurately monitored and alarmed, the equipment cost is high, the medical expense is also high, and the infusion pump cannot be equipped by each person in a common ward and an infusion room.

The current society is aging, and the number of medical elderly people increases year by year. The decline of the physiological function of the old and the easy combination of various chronic diseases, and put forward higher requirements for the accurate transfusion speed. How to develop an infusion alarm to realize the alarm of flow rate and hang empty, and the infusion alarm has small volume, low cost, and convenient carrying and operation, and is an urgent need of the current clinical care work.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a transfusion flow velocity alarm, set up the multiunit then the data of monitoring is more accurate, when aiming at different liquid medicines or different patients, the extrusion degree between twist grip control press plate and the transfer line to adjust the dropping speed, compare with the empty warning of hanging only after liquid is lost, aiming at different patients, under the condition that the dropping speed of infusion changes because of the influence such as patient's position, vascular condition, can directly measure the flow velocity to the too fast or too slow of liquid flow velocity, thus report to the police; compared with an infusion pump, the device only needs a plurality of simple groups of infrared sensing devices, does not need to increase a pump body, reduces the cost of the device, reduces the medical expense, can be equipped for each person in a common ward and a transfusion room, has small volume, low cost, convenient carrying and operation, solves the urgent need of clinical care work, and solves the problems in the prior art.

In order to achieve the above object, the utility model provides a following technical scheme: a transfusion flow rate alarm comprises a transfusion bottle and a lifting mechanism, wherein a needle head is inserted into the transfusion bottle, the bottom end of the needle head is connected with a Murphy's dropper through a transfusion tube, one side of the top of the Murphy's dropper is provided with an exhaust valve, and the exhaust valve is communicated with the Murphy's dropper;

the lifting mechanism comprises a sleeve, a cross rod, a screw rod and an arc plate, the sleeve is sleeved on the infusion support, the screw rod meshed with one side surface of the sleeve is abutted against the infusion support, the horizontal cross rod is fixed on the other side surface of the sleeve, which is symmetrical to the screw rod, the arc plate is fixed on the port of the cross rod, the arc plate is coated on the outer side of the Murphy's dropper, and a monitoring alarm mechanism is arranged on the arc plate;

the monitoring alarm mechanism comprises an upper supporting rod, a lower supporting rod, an arc sleeve and infrared sensors, wherein the upper supporting rod and the lower supporting rod are fixed at the upper end and the lower end of an arc plate side by side, the other ends of the upper supporting rod and the lower supporting rod are connected with the arc sleeve, Murphy's dropper penetrates through the arc sleeve at the upper position and the lower position, the exhaust valve is located at the notch of the arc sleeve, the infrared sensors are divided into three groups and fixed on the arc plate, the infrared sensors at the upper position and the lower position of the same side are one group, and the infrared sensors face towards the Murphy's dropper.

Preferably, the wires correspondingly connected to the infrared sensor pass through the arc plate, are inserted and wound on the cross rod, and are connected with the display screen.

Preferably, a flow regulating mechanism is connected to the infusion tube above the Murphy's dropper, the flow regulating mechanism comprises a regulating shell, a pressing plate and a handle, the regulating shell is penetrated through by the infusion tube above the Murphy's dropper, the handle is meshed with the regulating shell, the handle is positioned on the port inside the regulating shell and is connected with the pressing plate, and the pressing plate is connected with the infusion tube in an extruding manner.

Preferably, the circle center of the Murphy's dropper is overlapped with the circle center of the arc plate.

Preferably, the diameter of the arc-shaped sleeve exceeds the diameter of the Murphy's dropper by more than 2 cm.

Preferably, the length of the gap of the arc-shaped sleeve is greater than the outer diameter of the exhaust valve.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the transfusion flow rate alarm has the advantages that the needle is inserted into the rubber part of the bottle opening of the transfusion bottle, liquid in the transfusion bottle flows into the transfusion tube through the needle under the action of gravity, water hanging is completed, the vent valve is arranged in the notch of the arc-shaped sleeve, the problem of blocking is avoided in the process of penetrating through the Murphy's dropper, gas in the Murphy's dropper can be discharged by the vent valve, bubbles are prevented from being mixed in the liquid, the time of the dripped liquid passing through the upper infrared sensor and the lower infrared sensor is monitored by the infrared sensors at the upper position and the lower position of the same group, the dripping speed v is calculated according to a formula vt2 which is 2gh, the monitored data are more accurate by setting multiple groups, therefore, when different liquid medicines or different patients are treated, the extrusion degree between the pressing plate and the transfusion tube is controlled by the rotary handle, the dripping speed is adjusted, the adjusted dripping speed is in a set range, and lower cost is adopted, the utility model is arranged on the top, which does not occupy space and can be used by both hospitals and individuals.

2. Compared with the hang-empty alarm only after liquid infusion is finished, the infusion flow rate alarm can directly measure the flow rate of the liquid when the infusion dripping speed is too fast or too slow according to different patients under the condition that the infusion dripping speed is changed due to the influences of the body positions, the blood vessel conditions and the like of the patients, so that the alarm is given; compared with an infusion pump, the device only needs a plurality of simple groups of infrared sensing devices, does not need to increase a pump body, but reduces the cost of the device, so that the medical expense is also reduced, the device can be equipped for each person in a common ward and a transfusion room, and the device has small volume, low cost, convenient carrying and operation, and solves the urgent need of clinical care work.

Drawings

FIG. 1 is an overall structure diagram of the present invention;

FIG. 2 is a structural view of the elevating mechanism of the present invention;

FIG. 3 is a perspective view of the monitoring alarm mechanism of the present invention;

fig. 4 is a structural diagram of the flow regulating mechanism of the present invention.

In the figure: 1. an infusion bottle; 4. a lifting mechanism; 41. a sleeve; 42. a cross bar; 43. a screw; 44. an arc plate; 5. a needle head; 51. a Murphy's dropper; 511. an exhaust valve; 6. a monitoring alarm mechanism; 61. an upper support rod; 62. a lower support bar; 63. an arc-shaped sleeve; 64. an infrared sensor; 7. a flow rate adjusting mechanism; 71. an adjustment housing; 72. pressing a plate; 73. a handle.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1, the infusion flow rate alarm comprises an infusion bottle 1 and a lifting mechanism 4, wherein a needle 5 is inserted into the infusion bottle 1, the bottom end of the needle 5 is connected with a Murphy's dropper 51 through an infusion tube, an exhaust valve 511 is installed on one side of the top of the Murphy's dropper 51, the exhaust valve 511 is communicated with the Murphy's dropper 51, the needle 5 is inserted into a rubber part of the bottle opening of the infusion bottle 1, and liquid in the infusion bottle 1 flows into the infusion tube through the needle 5 under the action of gravity to finish water hanging.

Referring to fig. 2, the lifting mechanism 4 includes a sleeve 41, a cross bar 42, a screw 43 and an arc plate 44, the sleeve 41 is sleeved on the infusion support to be inserted conveniently without affecting the convenience of sliding up and down, the screw 43 engaged on one side surface of the sleeve 41 abuts against the infusion support, the depth of the screw 43 inserted into the sleeve 41 can be adjusted by rotating, so as to control the tightness between the sleeve 41 and the infusion support by rotating the screw 43, thereby controlling whether the sleeve 41 can slide on the infusion support, the horizontal cross bar 42 is fixed on the other side surface of the sleeve 41 symmetrical to the screw 43, the cross bar 42 is in a horizontal position, the port of the cross bar 42 just faces the position of the murphy dropper 51, the arc plate 44 is fixed on the port of the cross bar 42, the arc plate 44 covers the outer side of the murphy dropper 51, and the monitoring alarm mechanism 6 is installed on the arc plate 44.

Referring to fig. 3, the monitoring alarm mechanism 6 includes an upper support rod 61, a lower support rod 62, an arc-shaped sleeve 63, and an infrared sensor 64, the upper support rod 61 and the lower support rod 62 are fixed at the upper and lower ends of the arc plate 44 side by side, the lengths of the upper support rod 61 and the lower support rod 62 are the same, the other ends of the upper support rod 61 and the lower support rod 62 are both connected to the arc-shaped sleeve 63, the arc-shaped sleeves 63 at the upper and lower positions are aligned in the vertical direction, the mof-shaped sleeve 63 at the upper and lower positions passes through the mof-type dropper 51, the diameter of the arc-shaped sleeve 63 exceeds the diameter of the mof-type dropper 51 by more than 2cm, when the mof-type dropper 51 passes through the arc-shaped sleeve 63, the position is limited to avoid the excessive offset distance, the vent valve 511 is located at the notch of the arc-shaped sleeve 63, the length of the notch of the arc-shaped sleeve 63 is greater than the outer diameter of the vent valve 511, the vent valve 511 is located at the notch of the arc-shaped sleeve 63, and in the process of the mof-type dropper 51, the problem of clogging is avoided, and the gas in the Murphy's dropper 51 can be discharged by the gas discharge valve 511, so that bubbles are prevented from being mixed in the liquid.

The infrared sensors 64 are divided into three groups and fixed on the arc plate 44, the infrared sensors 64 at the upper position and the lower position on the same side are one group, the infrared sensors 64 face the Murphy's dropper 51, the circle center of the Murphy's dropper 51 is overlapped with the circle center of the arc plate 44, the lead wires correspondingly connected with the infrared sensors 64 penetrate through the arc plate 44, are inserted and wound on the cross rod 42 and are connected with the display screen, the infrared sensors 64 are arranged to face the Murphy's dropper 51, the time of the dripped liquid passing through the upper infrared sensor 64 and the lower infrared sensor 64 is monitored by the infrared sensors 64 at the upper position and the lower position of the same group, the dripping speed v is calculated according to a formula vt2 & lt 2gh, and the monitored data are more accurate, so that the flow speed of the liquid medicine is properly adjusted when different liquid medicines or different patients are treated, compared with the hanging alarm only after the liquid is completely, and for different patients, the dripping speed of the patients is caused by the body position of the patients, Under the condition that the blood vessel condition and other influences change, the flow rate can be directly measured when the flow rate of the liquid is too high or too low, so that an alarm is given; compared with an infusion pump, the device only needs a plurality of simple groups of infrared sensing devices, does not need to increase a pump body, but reduces the cost of the device, so that the medical expense is also reduced, the device can be equipped for each person in a common ward and a transfusion room, and the device has small volume, low cost, convenient carrying and operation, and solves the urgent need of clinical care work.

Referring to fig. 4, the infusion tube above the murphy's dropper 51 is connected with a flow regulating mechanism 7, the flow regulating mechanism 7 includes a regulating shell 71, a pressing plate 72 and a handle 73, the regulating shell 71 is penetrated through by the infusion tube above the murphy's dropper 51, the handle 73 is engaged with the regulating shell 71, the handle 73 is located on the port inside the regulating shell 71 and is connected with the pressing plate 72, the pressing plate 72 is connected with the infusion tube in a squeezing manner, the squeezing degree between the pressing plate 72 and the infusion tube is controlled by rotating the handle 73, so as to regulate the dropping speed, the regulated dropping speed is within a set range, and the lower cost is adopted, the device is arranged on the top, does not occupy space, and can be used by hospitals and individuals.

In summary, the following steps: according to the infusion flow rate alarm, a needle 5 is inserted into a rubber part of the mouth of an infusion bottle 1, liquid in the infusion bottle 1 flows into the infusion tube through the needle 5 under the action of gravity to hang water, an exhaust valve 511 is arranged in a gap of an arc sleeve 63, the problem of blocking is avoided in the process of penetrating through an Murphy's dropper 51, the exhaust valve 511 can exhaust gas in the Murphy's dropper 51 to avoid bubbles in the liquid, the infrared sensors 64 at the upper and lower positions of the same group monitor the time of the dripped liquid passing through the upper infrared sensor 64 and the lower infrared sensor 64, the dripping speed v is calculated according to a formula vt2 which is 2gh, a plurality of groups of monitored data are more accurate, so that the extrusion degree between a pressing plate 72 and the infusion tube is controlled by using a rotary handle 73 when different liquid medicines or different patients are treated, the dripping speed is adjusted, and the adjusted dripping speed is within a set range, and the utility model has the advantages of low cost, no space occupation and use by hospitals and individuals, and is arranged on the top.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an infusion flow rate alarm, includes infusion bottle (1) and elevating system (4), its characterized in that: a needle head (5) is inserted into the infusion bottle (1), the bottom end of the needle head (5) is connected with a Murphy's dropper (51) through an infusion tube, one side of the top of the Murphy's dropper (51) is provided with an exhaust valve (511), and the exhaust valve (511) is communicated with the Murphy's dropper (51);

the lifting mechanism (4) comprises a sleeve (41), a cross rod (42), a screw rod (43) and an arc plate (44), the sleeve (41) is sleeved on the infusion support, the screw rod (43) meshed with one side surface of the sleeve (41) abuts against the infusion support, the horizontal cross rod (42) is fixed on the other side surface of the sleeve (41) which is symmetrical to the screw rod (43), the arc plate (44) is fixed on a port of the cross rod (42), the arc plate (44) covers the outer side of the Murphy's dropper (51), and a monitoring alarm mechanism (6) is installed on the arc plate (44);

monitoring alarm mechanism (6) are including bracing piece (61), lower support rod (62), arc cover (63), infrared sensor (64), go up bracing piece (61) and lower support rod (62) and fix the upper and lower both ends in arc board (44) side by side, the other end of going up bracing piece (61) and lower support rod (62) all is connected with arc cover (63), on, pass murphy's burette (51) in arc cover (63) of lower position, discharge valve (511) are located the breach department of arc cover (63), infrared sensor (64) divide three groups to fix on arc board (44), infrared sensor (64) of the upper and lower position of homonymy are a set of, and infrared sensor (64) all are towards murphy's burette (51).

2. An infusion flow rate alarm according to claim 1, characterised in that the wires associated with the infrared sensor (64) are inserted through the arc plate (44) and wound around the cross bar (42) and connected to the display.

3. The infusion flow rate alarm device according to claim 1, wherein the infusion tube above the Murphy's dropper (51) is connected with a flow adjusting mechanism (7), the flow adjusting mechanism (7) comprises an adjusting shell (71), a pressing plate (72) and a handle (73), the infusion tube above the Murphy's dropper (51) penetrates through the adjusting shell (71), the handle (73) is meshed with the adjusting shell (71), the handle (73) is positioned on a port inside the adjusting shell (71) and is connected with the pressing plate (72), and the pressing plate (72) is connected with the infusion tube in a squeezing manner.

4. The infusion flow rate alarm according to claim 1, wherein the center of the Murphy's dropper (51) overlaps the center of the arc plate (44).

5. The infusion flow rate alarm device according to claim 1, wherein the diameter of the arc-shaped sleeve (63) exceeds the diameter of the Murphy's dropper (51) by more than 2 cm.

6. An infusion flow rate alarm according to claim 1, wherein the arc-shaped sleeve (63) has a notch length greater than the outer diameter of the vent valve (511).