CN211611089U

CN211611089U - Constant-pressure infusion device

Info

Publication number: CN211611089U
Application number: CN201921259810.3U
Authority: CN
Inventors: 梁晗; 董春秀
Original assignee: Shanghai East Hospital Tongji University Affiliated East Hospital
Current assignee: Shanghai East Hospital Tongji University Affiliated East Hospital
Priority date: 2019-08-06
Filing date: 2019-08-06
Publication date: 2020-10-02
Anticipated expiration: 2029-08-06

Abstract

The utility model relates to an infusion set technical field specifically is a constant voltage infusion set, including infusion bag presser, pressure valve, hold gasbag and inflation assembly, communicate in proper order through the trachea between these four parts. The utility model discloses a set up and loop through the infusion bag presser that the trachea communicates up, the pressure valve, hold gasbag and inflation assembly, pack infusion bag into in the infusion bag presser with infusion bag, in the interlayer that infusion bag presser was injected into through the miniature air pump production atmospheric pressure of precious energy supply that charges, this in-process air can not flow against the current, simultaneously through the interior pressure of pressure valve adjustment infusion bag presser, thereby realized providing invariable pressure to infusion bag, make infusion bag receive constant pressure, then in the bag liquid medicine continuously ground the infusion pipe evenly inject patient's vein, and convenient to carry, and is simple in operation, it feels to provide more comfortable infusion body for the patient.

Description

Constant-pressure infusion device

Technical Field

The utility model relates to an infusion set technical field specifically is a constant voltage infusion set.

Background

Intravenous injection is a medical procedure in which liquid substances such as blood, medical solutions, nutritional solutions, etc. are directly injected into a vein. Intravenous injection can be performed transiently and continuously, and continuous intravenous injection is performed by intravenous drip, commonly known as infusion. The liquid medicine container for transfusion is generally bottled or bagged, and in the transfusion process, the liquid medicine container is hung on a transfusion stand in a hanging manner, and the liquid medicine is conveyed to the vein of a patient along a transfusion tube pigsty under the action of gravity.

Among the prior art, during general infusion, all be equipped with the speed regulator on the transfer line, adjust the velocity of flow of liquid medicine through the speed regulator, but the velocity of flow that only adjusts the liquid medicine through artifical judgement can't satisfy patient's user demand completely, its velocity of flow is stable inadequately, even, the velocity of flow leads to infusion time overlength at a slow speed, the too fast vein that can give the patient of velocity of flow brings pressure, make the patient feel uncomfortable, and when winter, the too fast infusion can lead to patient's arm and blood vessel to cool and catch a cold, and if can be through providing invariable pressure for infusion bag, then can make infusion speed remain stable and even. In view of this, we propose a constant pressure infusion device.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a constant voltage infusion set to solve the not enough stable, even problem of speed regulation infusion speed that provides in the above-mentioned background art through the speed regulator.

In order to achieve the above object, the utility model provides a following technical scheme:

a constant-pressure infusion device comprises an infusion bag pressurizer, wherein the infusion bag pressurizer comprises a bag body, the bag body comprises a tough outer bag and an elastic inner bag, an interlayer is reserved between the tough outer bag and the elastic inner bag, an air inlet nozzle is arranged at the bottom end of the tough outer bag, a sealing edge is arranged at the top end of the bag body, a clamping chain is arranged in the sealing edge, a pressure valve is connected to the position under the infusion bag pressurizer through a first air pipe, an air storage bag is connected to the position under the pressure valve through a second air pipe and comprises an elastic bag, an upper check valve is arranged at the top end of the elastic bag, a lower check valve is arranged at the bottom end of the elastic bag, the communication direction of the upper check valve and the lower check valve is from bottom to top, an inflation assembly is connected to the position under the air storage bag through a third air pipe and comprises a miniature air pump, one side of miniature air pump is equipped with the treasured that charges, miniature air pump with it is equipped with the power cord to charge between the treasured.

Preferably, the outer side wall of the top end of the elastic inner bag is fixed on the inner side wall of the top end of the flexible outer bag in a melting mode, the air inlet nozzle is communicated into the flexible outer bag, and the outer side wall of the air inlet nozzle is fixed in the side wall of the flexible outer bag in a melting mode.

Preferably, the sealing edge is fixed on the top end of the bag body in a melting mode, the top end opening of the elastic inner bag is communicated with the inner side of the sealing edge, one half of the clamping chain is fixed on the inner side wall of one side of the sealing edge in a melting mode, and the other half of the clamping chain is fixed on the inner side wall of the other side of the sealing edge in a melting mode.

Preferably, the top end of the first air pipe is fixedly sleeved outside the air inlet nozzle, and the bottom end of the first air pipe is fixedly sleeved outside the air outlet of the pressure valve.

Preferably, the air inlet of the upper one-way valve is communicated with the inside of the elastic balloon, the side wall of the upper end of the elastic balloon is fixed on the outer side wall of the air inlet of the upper one-way valve in a melting mode, the air outlet of the lower one-way valve is communicated with the inside of the elastic balloon, and the side wall of the lower end of the elastic balloon is fixed on the outer side wall of the air outlet of the lower one-way valve in a melting mode.

Preferably, the top end of the second air pipe is fixedly sleeved outside the air inlet of the pressure valve, and the bottom end of the second air pipe is fixedly sleeved outside the air outlet of the upper check valve.

Preferably, one end of the power line is electrically connected to the inside of the micro air pump, and the other end of the power line is electrically connected to the inside of the charge pal through a USB interface.

Preferably, the top end of the third air pipe is fixedly sleeved outside the air inlet of the lower check valve, and the bottom end of the third air pipe is fixedly sleeved outside the air outlet of the miniature air pump.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a set up and loop through the infusion bag presser that the trachea communicates up, the pressure valve, hold gasbag and inflation assembly, pack infusion bag into in the infusion bag presser with infusion bag, in the interlayer that infusion bag presser was injected into through the miniature air pump production atmospheric pressure of precious energy supply that charges, this in-process air can not flow against the current, simultaneously through the interior pressure of pressure valve adjustment infusion bag presser, thereby realized providing invariable pressure to infusion bag, make infusion bag receive constant pressure, then in the bag liquid medicine continuously ground the infusion pipe evenly inject patient's vein, and convenient to carry, and is simple in operation, it feels to provide more comfortable infusion body for the patient.

Drawings

FIG. 1 is a schematic view of the whole structure of the constant pressure infusion device of the present invention;

fig. 2 is a schematic structural view of the infusion bag pressurizer of the utility model;

fig. 3 is a schematic diagram of a half-section structure of the infusion bag pressurizer of the utility model;

fig. 4 is an enlarged schematic structural view of a portion a in fig. 3 according to the present invention;

fig. 5 is a schematic structural diagram of the pressure valve of the present invention;

FIG. 6 is a schematic structural view of the air storage bag of the present invention;

fig. 7 is a schematic structural view of the inflation assembly of the present invention.

In the figure: 1. a pressurizer for the infusion bag; 11. a bag body; 111. a tough outer bag; 112. an elastic inner bag; 113. an air inlet nozzle; 12. A sealing edge; 121. clamping a chain; 2. a first air pipe; 3. a pressure valve; 4. a second air pipe; 5. an air reservoir; 51. an elastic balloon; 52. an upper one-way valve; 53. a lower check valve; 6. a third air pipe; 7. an inflation assembly; 71. a micro air pump; 711. a power line; 72. treasured charges.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second", "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", "third" may explicitly or implicitly include one or more of the features.

Referring to fig. 1-7, the present invention provides a technical solution:

a constant-pressure infusion device comprises an infusion bag pressurizer 1, the infusion bag pressurizer 1 comprises a bag body 11, the bag body 11 comprises a flexible outer bag 111 and an elastic inner bag 112, an interlayer is reserved between the flexible outer bag 111 and the elastic inner bag 112, an air inlet nozzle 113 is arranged at the bottom end of the flexible outer bag 111, a sealing edge 12 is arranged at the top end of the bag body 11, a clamping chain 121 is arranged in the sealing edge 12, a pressure valve 3 is connected to the position right below the infusion bag pressurizer 1 through a first air pipe 2, an air storage bag 5 is connected to the position right below the pressure valve 3 through a second air pipe 4, the air storage bag 5 comprises an elastic bag 51, an upper check valve 52 is arranged at the top end of the elastic bag 51, a lower check valve 53 is arranged at the bottom end of the elastic bag 51, the communication directions of the upper check valve 52 and the lower check valve 53 are from bottom to top, an inflation component 7 is connected to the position right below the air storage, one side of the micro air pump 71 is provided with a charge pal 72, and a power line 711 is arranged between the micro air pump 71 and the charge pal 72.

In this embodiment, the outer sidewall of the top end of the inner elastic bag 112 is fused and fixed on the inner sidewall of the top end of the outer flexible bag 111, so that the inner elastic bag 112 and the outer flexible bag 111 are connected stably and well sealed, and the interlayer is prevented from air leakage.

Furthermore, the air inlet nozzle 113 is communicated into the flexible outer bag 111, the outer side wall of the air inlet nozzle 113 is fixed in the side wall of the flexible outer bag 111 in a melting mode, so that the air inlet nozzle 113 is firm and stable, and the joint of the air inlet nozzle 113 and the flexible outer bag 111 is well sealed and air-tight.

In this embodiment, the sealing edge 12 is fixed to the top end of the bag body 11 by melting, and the top end opening of the elastic inner bag 112 is communicated with the inner side of the sealing edge 12, so that the sealing edge 12 is firmly connected with the bag body 11 and is not easy to break or loosen, and the infusion bag can be loaded into the bag body 11 through the sealing edge 12.

Further, the size of the flexible inner bag 112 matches the size of the infusion bag to be loaded, ensuring that the infusion bag can be completely loaded into the bag body 11 for pressure control.

Further, half of clamp chain 121 melts and fixes on the inside wall of one side of seal limit 12, and half of clamp chain 121 melts and fixes on the inside wall of the opposite side of seal limit 12, makes clamp chain 121 durable and firm, can seal limit 12 through the joint cooperation of clamp chain 121 two halves, avoids infusion bag to drop out from the internal 11 of bag, and the arbitrary position of clamp chain 121 can both tear the osculum simultaneously to the transfer line passageway that is regarded as infusion bag uses.

In this embodiment, the top end of the first air tube 2 is fixedly sleeved outside the air inlet nozzle 113, the bottom end of the first air tube 2 is fixedly sleeved outside the air outlet of the pressure valve 3, and the infusion bag pressurizer 1 is communicated with the pressure valve 3 through the first air tube 2.

Further, in order to connect the first air tube 2 stably and hermetically, the inner side wall of the top end of the first air tube 2 is fixed on the outer side wall of the air inlet nozzle 113 in a melting manner, and the inner side wall of the bottom end of the first air tube 2 is fixed on the outer side wall of the air outlet of the pressure valve 3 in a melting manner; further, the second gas pipe 4 and the third gas pipe 6 can be sealed by melting.

Specifically, the pressure valve 3 related in this embodiment may be a high-precision pressure safety regulating valve of model XR-DY-01 produced and provided by southeast duchenne new energy science and technology limited, and its matched parts and accessories may also be provided by the manufacturer; in addition, the pressure valve 3 that involves in this embodiment is prior art, and the technical staff in this field can realize completely, does not do this and explains repeatedly, the utility model discloses the content of protection does not also relate to the improvement to the structure and the theory of operation of pressure valve 3.

In this embodiment, the air inlet of the upper check valve 52 is communicated with the elastic balloon 51, the upper end side wall of the elastic balloon 51 is fixed on the outer side wall of the air inlet of the upper check valve 52 in a melting manner, the air outlet of the lower check valve 53 is communicated with the elastic balloon 51 in a melting manner, the lower end side wall of the elastic balloon 51 is fixed on the outer side wall of the air outlet of the lower check valve 53 in a melting manner, so that the upper check valve and the lower check valve are both stably communicated with the elastic balloon 51, and the elastic balloon 51 is well sealed and.

Further, the top end of the second air tube 4 is fixedly sleeved outside the air inlet of the pressure valve 3, the bottom end of the second air tube 4 is fixedly sleeved outside the air outlet of the upper check valve 52, the pressure valve 3 is communicated with the air storage bag 5 through the second air tube 4, and air pressure backflow in the infusion bag pressurizer 1 can be avoided through the upper check valve and the lower check valve.

Specifically, the upper check valve 52 and the lower check valve 53 in the embodiment may both be PVC medical check valves produced by cixi sincere health plastic product factories, and the matching parts and accessories thereof may also be provided by the manufacturers; in addition, the upper check valve 52 and the lower check valve 53 involved in this embodiment are prior art, and those skilled in the art can completely realize this, and the description is not repeated here, and the protection of the present invention also does not involve the improvement of the structure and the working principle of the upper check valve 52 and the lower check valve 53.

In this embodiment, one end of the power line 711 is electrically connected to the inside of the micro air pump 71, the other end of the power line 711 is electrically connected to the inside of the charge pal 72 through the USB interface, the micro air pump 71 is electrically connected to the charge pal 72 through the power line 711, and the charge pal 72 supplies electric energy to the micro air pump 71 to enable the micro air pump 71 to work.

Specifically, the micro air pump 71 in this embodiment may adopt a medical dc micro pump with a model number of 7a12D60R52, which is produced and provided by shenzhen huachu engineering and technology limited, and a power supply and other accessories thereof may also be provided by the manufacturer; in addition, the miniature air pump 71 that this embodiment involves is prior art, and the technical staff in this field can realize completely, does not do this and explains repeatedly, the utility model discloses the content of protection does not also relate to the improvement to the structure and the theory of operation of miniature air pump 71.

Further, the treasured that charges 72 that involves in this embodiment can adopt the treasured that charges of taking USB socket of any brand or model on the market, and treasured 72 that charges convenient to use, easily carry can take the sack to adorn miniature air pump 71 and treasured 72 that charges together and hang on the infusion support so that use simultaneously.

Furthermore, it is worth mentioning that the circuits and electronic components and modules involved in the present invention are prior art, and can be implemented by those skilled in the art without further elaboration, and that the present invention also does not relate to improvements in software and methods.

Further, the top end of the third air tube 6 is fixedly sleeved outside the air inlet of the lower one-way valve 53, the bottom end of the third air tube 6 is fixedly sleeved outside the air outlet of the micro air pump 71, the micro air pump 71 is communicated with the air storage bag 5 through the third air tube 6, and thus the micro air pump 71, the air storage bag 5, the pressure valve 3 and the infusion bag pressurizer 1 are sequentially communicated.

Furthermore, the infusion bag pressurizer 1, the first air pipe 2, the second air pipe 4, the elastic saccule 51 and the third air pipe 6 are all made of medical grade PVC, and the infusion bag pressurizer is light in material, easy to mold, good in toughness, wear-resistant and durable.

The constant pressure infusion set of this embodiment is when using, at first pack infusion bag into infusion bag presser 1 in, secondly start treasured 72 that charges and provide the electric energy for miniature air pump 71 and make its work produce atmospheric pressure, the air is accumulated in entering into elasticity sacculus 51 through third trachea 6 this moment, then the air in the gasbag 5 holds in proper order through second trachea 4, pressure valve 3 and first trachea 2 enter into the interlayer of infusion bag presser 1, the gas injection in-process, the pressure value of the air that enters into in infusion bag presser 1 is adjusted through pressure valve 3, thereby realized providing invariable pressure value for infusion bag.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A constant-pressure infusion device is characterized in that: comprises an infusion bag pressurizer (1), wherein the infusion bag pressurizer (1) comprises a bag body (11), the bag body (11) comprises a toughness outer bag (111) and an elastic inner bag (112), an interlayer is left between the toughness outer bag (111) and the elastic inner bag (112), an air inlet nozzle (113) is arranged at the bottom end of the toughness outer bag (111), a sealing edge (12) is arranged at the top end of the bag body (11), a clamping chain (121) is arranged in the sealing edge (12), a pressure valve (3) is connected below the infusion bag pressurizer (1) through a first air pipe (2), an air storage bag (5) is connected below the pressure valve (3) through a second air pipe (4), the air storage bag (5) comprises an elastic balloon (51), an upper check valve (52) is arranged at the top end of the elastic balloon (51), and a lower check valve (53) is arranged at the bottom end of the elastic balloon (51), go up check valve (52) with the direction of intercommunication of check valve (53) is supreme down, be connected with inflatable component (7) through third trachea (6) under gasbag (5), inflatable component (7) include miniature air pump (71), one side of miniature air pump (71) is equipped with treasured (72) that charges, miniature air pump (71) with it is equipped with power cord (711) to charge between precious (72).

2. The constant pressure infusion device of claim 1, wherein: the outer side wall of the top end of the elastic inner bag (112) is fixed on the inner side wall of the top end of the flexible outer bag (111) in a melting mode, the air inlet nozzle (113) is communicated into the flexible outer bag (111), and the outer side wall of the air inlet nozzle (113) is fixed in the side wall of the flexible outer bag (111) in a melting mode.

3. The constant pressure infusion device of claim 1, wherein: the sealing edge (12) is fixed on the top end of the bag body (11) in a melting mode, the top end of the elastic inner bag (112) is open and communicated with the inner side of the sealing edge (12), one half of the clamping chain (121) is fixed on the inner side wall of one side of the sealing edge (12) in a melting mode, and the other half of the clamping chain (121) is fixed on the inner side wall of the other side of the sealing edge (12) in a melting mode.

4. The constant pressure infusion device of claim 1, wherein: the top end of the first air pipe (2) is fixedly sleeved on the outer side of the air inlet nozzle (113), and the bottom end of the first air pipe (2) is fixedly sleeved on the outer side of the air outlet of the pressure valve (3).

5. The constant pressure infusion device of claim 1, wherein: the air inlet of the upper check valve (52) is communicated into the elastic balloon (51), the side wall of the upper end of the elastic balloon (51) is fixed on the outer side wall of the air inlet of the upper check valve (52) in a melting mode, the air outlet of the lower check valve (53) is communicated into the elastic balloon (51), and the side wall of the lower end of the elastic balloon (51) is fixed on the outer side wall of the air outlet of the lower check valve (53) in a melting mode.

6. The constant pressure infusion device of claim 1, wherein: the top end of the second air pipe (4) is fixedly sleeved outside the air inlet of the pressure valve (3), and the bottom end of the second air pipe (4) is fixedly sleeved outside the air outlet of the upper check valve (52).

7. The constant pressure infusion device of claim 1, wherein: one end of the power line (711) is electrically connected to the inside of the micro air pump (71), and the other end of the power line (711) is electrically connected to the inside of the charge pal (72) through a USB interface.

8. The constant pressure infusion device of claim 1, wherein: the top end of the third air pipe (6) is fixedly sleeved outside the air inlet of the lower check valve (53), and the bottom end of the third air pipe (6) is fixedly sleeved outside the air outlet of the miniature air pump (71).