Portable pneumatic pressure infusion device

Abstract

Portable pneumatic pressure infusion device comprising a housing (1) wherein a control screen (2) is provided at the upper end of the housing (1), a connecting buckle (3) is provided on one side of the housing (1), a fastening strap (4) is provided at the lower end of the housing (1), an air inlet slot (5) is provided on one side of the housing (1), a placement slot (6) is provided inside the housing (1), an air bag (7) is provided inside the placement slot (6), a pressure valve (8) is provided at the upper end of the placement slot (6), an air pump (9) is provided on one side of the placement slot (6), an air inlet tube (10) is provided on one side of the air pump (9), and a connecting tube (11) is provided on one side of the air inlet tube (10), a valve (12) is provided inside the connecting tube (11), and at one end of the connecting tube (11) an air chamber (13) is provided,wherein a reel (14) is provided on one side of the air chamber (13), wherein a catch (15) is provided at the upper end of the reel (14), and wherein a fastening slot (16) is provided on one side of the reel (14), wherein an air outlet tube (17) is provided at the upper end of the air chamber (13), a push rod (18) is provided inside the air chamber (13), and a spring (19) is provided at one end of the push rod (18).

Description

[0001] The invention relates to the field of infusion devices, in particular to a portable pneumatic pressure infusion device.

[0002] Traditional infusion methods often cannot meet specific medical requirements, such as the need to regulate the rate and volume of infusion, especially in some special medical situations, such as intensive care, post-operative recovery, etc., controlling the rate and volume of infusion is particularly important, so it is urgent to develop a pressure infusion device capable of precisely controlling the infusion rate and volume.

[0003] With existing hanging bottles, the medicine is delivered into the body by atmospheric pressure, and the user has to carry the bottle with him at all times, and it is very inconvenient when he needs to go to the toilet and he cannot move freely.

[0004] As a result, the existing problems are studied and improved to provide a portable pneumatic pressure infusion device with reasonable structural design and high stability, taking into account the use of various aspects to achieve the purpose of solving the problem and improving the utility value through this technology.

[0005] In this invention, a portable pneumatic pressure infusion device is realized by using an air pump and a fixing device.

[0006] To achieve the above-mentioned objective, the invention offers the following technical solutions: a portable pneumatic pressure infusion device comprising a housing, a control screen provided at the upper end of the housing, a connecting buckle provided on one side of the housing, a fastening strap provided at the lower end of the housing, and an air inlet slot provided on one side of the housing. A placement slot is provided inside the housing, an air bag is provided within the placement slot, a pressure valve is provided at the upper end of the placement slot, and an air pump is provided on one side of the placement slot. An air inlet tube is provided on one side of the air pump, a connecting tube is provided on one side of the air inlet tube, a valve is provided inside the connecting tube, and an air chamber is provided at one end of the connecting tube.wherein a reel is provided on one side of the air chamber, wherein a snapper is provided at the upper end of the reel, and wherein a fastening slot is provided on one side of the reel, wherein an air outlet pipe is provided at the upper end of the air chamber, a push rod is provided within the air chamber, and a spring is provided at one end of the push rod.

[0007] As a further description of the above technical solutions: the control screen is firmly connected to the upper end of the housing and arranged inside the housing, with the connecting buckles firmly connected to one side of the housing, the number of buckles being two sets.

[0008] As a further description of the above technical solutions: the fastening band is firmly connected to the lower end of the housing, wherein the fastening band is elastic in several groups, and wherein the air inlet slot is arranged on one side of the housing.

[0009] As a further description of the above technical solutions: the placement slot is fixedly connected to the interior of the housing, wherein the air bag is fixedly connected to the interior of the placement slot, and wherein the pressure valve is fixedly connected to the upper end of the placement slot, which is fixedly connected to the air bag.

[0010] As a further description of the above technical solutions: the air pump is fixedly connected to one side of the placement slot, one end of which is fixedly connected to an air inlet pipe, wherein the connecting pipe is fixedly connected to one side of the air inlet pipe and a valve is movably mounted therein.

[0011] As a further description of the above technical solutions: the air chamber is fixedly connected to one end of the connecting tube, and wherein the reel is fixedly connected to one side of the air chamber, wherein the snaps are fixedly connected to the upper end of the reel and are arranged on the outward-facing side of the reel.

[0012] As a further description of the above technical solutions: Mounting slots are permanently attached to one side of the air chamber in two groups adapted to the size of the infusion valve, with each group of mounting slots provided with empty holes.

[0013] As a further description of the above technical solutions: the air outlet pipe is fixedly connected to the upper end of the air chamber, the push rod is movably connected to the interior of the air chamber, and the spring is fixedly connected to one end of the push rod and its other end is fixedly connected to the inner wall of the air chamber.

[0014] The invention has the following positive effects: The control screen makes it easy for the user to adjust the infusion rate via the control screen, which increases user-friendliness. The fastening strap fixes the device to the patient's arm, which also makes it easier to wear the device. The air inlet slot increases internal air circulation and prevents the air pump from inflating due to insufficient internal air. The placement slot is convenient for placing the medication bag inside for fixation. The pressure valve always detects the air pressure inside the air bag and automatically releases the air when it exceeds the alarm value, so that the pressure inside the air bag is stable and the air bag is not inflated. The reel is convenient for storing the infusion tube and prevents the tube from bending if it is inserted directly.which would lead to interruption of the infusion and pose a safety risk, and the card buckle fixes the infusion to prevent the tube from opening when it is coiled. Fig. 1 Overall view of the portable pneumatic pressure infusion device of the invention; Fig. 2 Side view of a portable pneumatic pressure infusion device of the invention; Fig. 3 Internal view of a portable pneumatic pressure infusion device of the invention; Fig. 4 Open view of the placement slot of a portable pneumatic pressure infusion device of the invention; Fig. 5 Schematic representation of a reel of a portable pneumatic pressure infusion device of the invention; Fig. 6 Cross-sectional view of a portable pneumatic pressure infusion device of the invention; Fig. 7 Cross-sectional view of a portable pneumatic pressure infusion device of the invention; Fig. 8 Schematic representation of a reel of a portable pneumatic pressure infusion device of the invention;

[0015] In the description of the invention, it is noted that the terms "center", "top", "bottom", "left", "right", "vertical", "horizontal", "inside", "outside", etc., are used to indicate an orientation or positional relationship based on the accompanying drawings; they are used solely to facilitate the description of the invention and to simplify the description and do not imply that the device or element referred to must have a particular orientation or be constructed and operated in a particular orientation, and are therefore not to be construed as limiting the invention; the terms "first", "second" and "third" are used for descriptive purposes only and are not to be construed as indicating or implying a relative meaning unless expressly provided and limited otherwise.The terms "mounted," "connected," and "attached" are to be understood in a broad sense; for example, the connection may be fixed, detachable, or one-piece; a mechanical or electrical connection; a direct or indirect connection via an intermediate medium; and a connection within the two elements. Those skilled in the art will understand the specific meaning of the above terms in the context of the invention based on the particular circumstances.

[0016] As in Fig.1 to 8, one embodiment of the invention is provided: a portable pneumatic pressure infusion device comprising a housing 1, characterized in that a control screen 2 is provided at the upper end of the housing 1, a connecting buckle 3 is provided on one side of the housing 1, a fastening strap 4 is provided at the lower end of the housing 1, and an air inlet slot 5 is provided on one side of the housing 1, a placement slot 6 is provided inside the housing 1, an air bag 7 is provided inside the placement slot 6, a pressure valve 8 is provided at the upper end of the placement slot 6, and an air pump 9 is provided on one side of the placement slot 6, an air inlet pipe 10 is provided on one side of the air pump 9, and a connecting pipe 11 is provided on one side of the air inlet pipe 10, a valve 12 is provided inside the connecting pipe 11,and an air chamber 13 is provided at one end of the connecting pipe 11, a reel 14 is provided at one side of the air chamber 13, a snapper 15 is provided at the upper end of the reel 14, and a fastening slot 16 is provided at one side of the reel 14, an air outlet pipe 17 is provided at the upper end of the air chamber 13, a push rod 18 is provided within the air chamber 13, and a spring 19 is provided at one end of the push rod 18.

[0017] In particular, the control screen 2 is firmly connected to the upper end of the housing 1, which is embedded inside the housing 1, which makes it easier for the user to adjust the infusion rate through the control screen 2 and improves usability, the connecting buckle 3 is firmly connected to one side of the housing 1 in two sets, thereby connecting the housing 1 to the upper end cover and at the same time facilitating its switching.

[0018] In particular, the fixing band 4 is firmly connected to the lower end of the casing 1, and its fixing band 4 is elastic, the number of which is a number of groups, and the fixing band 4 fixes the device by the patient's arm, and also facilitates the carrying of the device, the air inlet slot 5 is provided on one side of the casing 1 to increase the air circulation inside and prevent the air pump 9 from being inflated due to a lack of air inside.

[0019] Specifically, the placement slot 6 is firmly connected to the inside of the case 1, which facilitates the placement of the medicine bag inside for fixation, and the air bag 7 is firmly connected to the inside of the placement slot 6, which gradually enlarges by inflation, and at the same time, pressure is applied to the medicine bag while enlarging, the pressure valve 8 is firmly connected to the upper end of the placement groove 6, which is firmly connected to the air bag 7, and a pressure gauge that detects the internal air pressure of the air bag 7 at any time and automatically deflates the air when the pressure exceeds a warning value is firmly connected to one side of the pressure valve to stabilize the internal pressure of the air bag 7.

[0020] Specifically, the air pump 9 is fixedly connected to one side of the placement slot 6, one end of which is fixedly connected to the air inlet pipe 10, the air pump 9 fills air into the interior of the air bag 7 through the air inlet pipe 10, and the connecting pipe 11 is fixedly connected to one side of the air inlet pipe 10, while a valve 12 is movably connected to the inside of the pipe, when the air bag 7 has almost completely compressed the medicine package, the air pump 9 continues to inflate its interior, and when the pressure inside the air bag 7 reaches a certain level, backflow occurs, so that the air pressure in the air inlet pipe 10 gradually increases;Since the connecting pipe 11 is connected to the air inlet pipe 10, when air is introduced into the connecting pipe 11, the pressure inside the air inlet pipe 10 increases, so that the pressure inside the connecting pipe 11 continuously increases, and when the air pressure inside the connecting pipe 11 increases to a certain extent, the valve 12 is opened so that air is introduced into the interior of the air chamber 13.;

[0021] In particular, the air chamber 13 is firmly connected to one end of the connecting tube 11, and the reel 14 is firmly connected to one side of the air chamber 13, which facilitates the storage of the infusion tube and prevents it from being directly placed into the internal pipeline, resulting in interruption of liquid infusion and thus a hidden safety hazard, the snap 15 is firmly connected to the upper end of the reel 14, which is attached to the outward-facing side of the reel 14 to secure the infusion and prevent the tube from opening when coiled.

[0022] In particular, the fixing slots 16 are fixedly connected to one side of the air chamber 13 in two groups corresponding to the size of the infusion valve to facilitate the fixing of the infusion valve, each group of fixing slots 16 being provided with empty holes to ensure that the infusion valve is fixed without simultaneously squeezing the infusion tube.

[0023] Specifically, the air outlet pipe 17 is fixedly connected to the upper end of the air chamber 13, the push rod 18 is movably connected to the interior of the air chamber 13, the spring 19 is fixedly connected to one end of the push rod 18, and the other end is fixedly connected to the inner wall of the air chamber 13. When the connecting pipe 11 injects air into the interior of the air chamber 13, the internal pressure of the air chamber 13 increases. At the same time, the air outlet pipe 17 is small at the upper end and cannot release the air in time, causing the internal pressure to increase. When the internal air rises to a certain pressure, it will push out the push rod 18. In addition, the infusion valve is attached to one side of the push rod 18, and the flow rate of the infusion valve is reduced when the push rod 18 is started, and the push rod 18 does not close the infusion valve, so that it can be injected slowly into the patient.when the medicine package is almost ready, which gives the patient a certain amount of time to look for medical staff, while preventing the backflow of the patient's blood caused by the medical staff who cannot act in time in a crowded situation.

[0024] Working principle and process: the medical professional fixes the device on the patient's arm with the fixing band 4, then inserts the medicine pack with the syringe into the placement slot 6 and sets the infusion time through the control screen 2 of the device, furthermore the medical professional releases the air inside the infusion tube, inserts a needle into the patient, temporarily raises the device to a position higher than the human heart during the insertion of the needle, opens the device after insertion and the air pump 9 starts to inflate the inside of the air bag 7, which gradually expands to compress the medicine pack. List of reference symbols: 1 housing 2 tax shield 3 connecting buckle 4 fastening strap 5 Air intake slot 6 Placement slot 7 Airbag 8 Pressure valve 9 Air pump 10 Air intake pipe 11 Connecting pipe 12 valve 13 air chamber 14 reels 15 snapper 16 mounting slot 17 Air outlet pipe 18 Push rod 19 spring

Claims

[1] A portable pneumatic pressure infusion device comprising a housing (1), a control screen (2) being provided at the upper end of the housing (1), a connecting buckle (3) being provided on one side of the housing (1), a fastening strap (4) being provided at the lower end of the housing (1), and an air inlet slot (5) being provided on one side of the housing (1), a placement slot (6) being provided inside the housing (1), an air bag (7) being provided within the placement slot (6), a pressure valve (8) being provided at the upper end of the placement slot (6), and an air pump (9) being provided on one side of the placement slot (6), an air inlet pipe (10) being provided on one side of the air pump (9), and a connecting pipe (11) being provided on one side of the air inlet pipe (10), a valve (12) being provided inside the connecting pipe (11),and an air chamber (13) is provided at one end of the connecting tube (11), a reel (14) is provided at one side of the air chamber (13), a snapper (15) is provided at the upper end of the reel (14), and a fastening slot (16) is provided at one side of the reel (14), an air outlet pipe (17) is provided at the upper end of the air chamber (13), a push rod (18) is provided within the air chamber (13), and a spring (19) is provided at one end of the push rod (18). [2] Portable pneumatic pressure infusion device according to claim 1, characterized by that the control screen (2) is fixedly connected to the upper end of the housing (1) and is arranged inside the housing (1), wherein the connecting buckles (3) are fixedly connected to one side of the housing (1), the number of buckles being two sets. [3] Portable pneumatic pressure infusion device according to claim 1 or 2, characterized bythat the fastening band (4) is firmly connected to the lower end of the housing (1), wherein the fastening band (4) is elastic in several groups, and wherein the air inlet slot (5) is arranged on one side of the housing (1). [4] Portable pneumatic pressure infusion device according to one of the preceding claims, characterized by that the placement slot (6) is firmly connected to the interior of the housing (1), wherein the air bag (7) is firmly connected to the interior of the placement slot (6), and wherein the pressure valve (8) is firmly connected to the upper end of the placement slot (6), which is firmly connected to the air bag (7). [5] Portable pneumatic pressure infusion device according to one of the preceding claims, characterized bythat the air pump (9) is fixedly connected to one side of the placement slot (6), one end of which is fixedly connected to an air inlet pipe (10), wherein the connecting pipe (11) is fixedly connected to one side of the air inlet pipe (10) and a valve (12) is movably mounted therein. [6] Portable pneumatic pressure infusion device according to one of the preceding claims, characterized by that the air chamber (13) is fixedly connected to one end of the connecting tube (11), and wherein the reel (14) is fixedly connected to one side of the air chamber (13), wherein the snaps (15) are fixedly connected to the upper end of the reel (14) and are arranged on the outward-facing side of the reel (14). [7] Portable pneumatic pressure infusion device according to one of the preceding claims, characterized bythat fastening slots (16) are firmly connected to one side of the air chamber (13), in two groups adapted to the size of the infusion valve, each group of fastening slots (16) being provided with empty holes. [8] Portable pneumatic pressure infusion device according to one of the preceding claims, characterized by that the air outlet pipe (17) is fixedly connected to the upper end of the air chamber (13), wherein the push rod (18) is movably connected to the interior of the air chamber (13), and wherein the spring (19) is fixedly connected to one end of the push rod (18) and its other end is fixedly connected to the inner wall of the air chamber (13).

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