Pumping device for diabetics
By integrating insulin and glucagon reservoirs and infusion systems into the pump device, the problem of existing pumps only being able to infuse insulin is solved, achieving stable blood glucose level management and improved patient safety. It is suitable for both patch and tubing applications.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-06
- Publication Date
- 2026-03-20
AI Technical Summary
Existing insulin pumps can only deliver insulin and cannot deliver glucagon at the same time, which can cause blood sugar to fluctuate too quickly or too low, especially at night and is not easily noticed, posing a safety hazard.
A pumping device was designed with built-in reservoirs for insulin and glucagon. The insulin and glucagon are delivered to a subcutaneous indwelling needle or needle-free injector through an infusion tubing system, achieving simultaneous infusion of insulin and glucagon. Combined with an electromagnetic component to control the drug delivery, it provides concealment and comfort.
It enables better management of blood glucose levels, avoids the risk of blood glucose being too high or too low, improves patient safety and comfort, and is suitable for both patch and tubing applications, making it applicable to a wide range of scenarios.
Smart Images
Figure CN224008807U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to blood sugar regulation equipment technical field, concretely relates to a pumping device for diabetic patient. BACKGROUND
[0002] Diabetes is a chronic metabolic disease, and its main feature is that the blood sugar level is higher than the normal range for a long time. Diabetic patients need to inject insulin to control blood sugar levels due to insulin resistance or insufficient insulin secretion. Insulin pump is a device for treating diabetes, which can simulate the function of pancreas and control blood sugar level by infusing insulin. However, the current insulin pump can only infuse insulin and cannot infuse glucagon at the same time.
[0003] However, if the diabetic patient uses insulin or oral hypoglycemic drug in a large dose, has irregular diet, has excessive exercise, etc., it may cause the blood sugar to drop too fast or too low, and the symptoms may include cold sweat, palpitation, dizziness, vomiting, etc. In severe cases, mental abnormalities or even coma may occur, and many diabetic patients may have nocturnal hypoglycemia. Generally, nocturnal hypoglycemia occurs in sleep and is not easy to be detected.
[0004] Therefore, there is an urgent need for a diabetic pumping device that can infuse insulin and glucagon. SUMMARY
[0005] The utility model discloses a pumping device for diabetic patient, which can infuse insulin and glucagon, is convenient to use and can help diabetic patients better manage blood sugar levels.
[0006] In order to achieve the above-mentioned purpose, the technical scheme of the utility model is as follows:
[0007] A pumping device for diabetic patient for infusing insulin and glucagon, comprising a housing, a first drug reservoir, a second drug reservoir and a first injection device are arranged in the housing, a second injection device is arranged outside the housing, insulin is arranged in the first drug reservoir, and glucagon is arranged in the second drug reservoir, a pusher is arranged on the first drug reservoir and the second drug reservoir, and the pusher is connected to the first injection device and the second injection device through an infusion tube in sequence. The pusher sends the drug liquid in the drug reservoir into the injection device.
[0008] Further, the first injection device and the second injection device are subcutaneous indwelling needles or needleless injectors. The subcutaneous indwelling needles or needleless injectors are used to send the drug liquid into the human body.
[0009] Further, the needleless injector comprises an injector body, a communication injection cavity and infusion cavity are arranged in the injector body, an infusion port is arranged at one end of the injection cavity, and a first piston and a second piston perpendicular to each other are arranged in the injection cavity.
[0010] Further, a valve is arranged between the injection cavity and the infusion cavity, and the first piston and the second piston are pushed by an electromagnetic assembly.
[0011] Further, a liquid outlet of the pusher is connected with a first infusion tube, a second infusion tube is arranged in communication on the first infusion tube, and control valves are arranged on the first infusion tube and the second infusion tube.
[0012] Further, two sets of infusion pipelines are arranged in the shell, the number of the first injection devices is two, the first medicine reservoir is connected with one of the first injection devices through the pusher, and the second medicine reservoir is connected with the other first injection device through the pusher.
[0013] Further, two sets of infusion pipelines are arranged outside the shell, the number of the second injection devices is two, the first medicine reservoir is connected with one of the second injection devices through the pusher, and the second medicine reservoir is connected with the other second injection device through the pusher.
[0014] Further, the pump device further comprises a skin contact patch, the other side of the patch is matched with the shell, a clamping groove matched with the shell is arranged on the patch, and an injection and infusion port matched with the first injection device is arranged on the patch.
[0015] Through the above technical scheme, the pump device has the following beneficial effects:
[0016] The first medicine reservoir and the second medicine reservoir for storing insulin and glucagon are arranged in the pump device, and the infusion pipelines are arranged in the shell and outside the shell, so that the pump device can be used for infusing insulin and glucagon to the diabetic patient, helping the diabetic patient to better manage the blood glucose level, and the pump device can be used as a pipeline type insulin pump or a patch type insulin pump, and is suitable for more application scenarios. BRIEF DESCRIPTION OF DRAWINGS
[0017] Fig. 1It is a structure schematic view of the utility model;
[0018] Fig. 2 It is a structure schematic view of the utility model needleless injector;
[0019] Fig. 3 It is a structure schematic view of the utility model paste bottom plate;
[0020] The figure mark is: 1 is first medicine reservoir, 2 is second medicine reservoir, 3 is first injection device, 4 is second injection device, 5 is pusher, 51 is first infusion tube, 52 is second infusion tube, 6 is paste bottom plate, 61 is clamping groove, 62 is injection infusion port, 7 is injector body, 71 is injection cavity, 72 is infusion cavity, 711 is infusion port, 73 is first piston, 74 is second piston, 75 is winding iron core, 76 is limit plate. DETAILED DESCRIPTION
[0021] The utility model will be further explained in connection with the figures and specific implementation:
[0022] As Figs. 1-3 shown, the embodiment provides a pumping device for diabetic patients for infusion of insulin and glucagon.
[0023] The pumping device comprises a housing, a first medicine reservoir 1, a second medicine reservoir 2, an intracorporeal infusion line and an extracorporeal infusion line, the first medicine reservoir 1 is provided with insulin, the second medicine reservoir 2 is provided with glucagon, the intracorporeal infusion line is used as a paste-type insulin pump, and the extracorporeal infusion line is used as a line-type insulin pump.
[0024] The housing is provided with the first medicine reservoir 1, the second medicine reservoir 2 and the first injection device 3, the housing is provided with the second injection device 4, the first medicine reservoir 1 and the second medicine reservoir 2 are provided with the pusher 5, and the pusher 5 is connected with the first injection device 3 and the second injection device 4 in sequence through the infusion tube.
[0025] Specifically, the liquid outlet end of the pusher 5 is connected with the first infusion tube 51, the other end of the first infusion tube 51 is connected with the second injection device 4, the second infusion tube 52 is connected with the first infusion tube 51, the other end of the second infusion tube 52 is connected with the first injection device 3, the first injection device 3 is fixed in the housing, the second injection device 4 is connected with the housing outside through the first infusion tube 51, and the length of the first infusion tube 51 is greater than that of the second infusion tube 52. When moving outside, the second injection device 4 can be pasted on the skin surface, the pumping device body is placed in the pocket, the patient does not have a foreign body sensation and a sinking feeling when wearing, and the pump body does not protrude on the surface of clothes, so that the utility model has high concealment and is more beautiful.
[0026] The patient can paste the shell on the skin surface when sleeping at night, so that the first injection device 3 is directly in contact with the skin, and the patient will not squeeze the infusion tube when turning over, so as to avoid that the insulin or glucagon cannot be injected into the human body, and the safety of the diabetic patient is improved, and the diabetic patient is helped to better manage the blood glucose level.
[0027] In order to realize the liquid supply of the bolus injector 5 to the first injection device 3 or the second injection device 4, the control valve is arranged on the first infusion tube 51 and the second infusion tube 52. The bolus injector 5 uses the prior art, and the bolus injector 5 is a component frequently used in the existing insulin pump, and the specific structure is not described here.
[0028] In order to create a reasonable storage environment for the insulin and glucagon in the first medicine storage device 1 and the second medicine storage device 2, as an implementable manner, the fluorine-free medicine storage device is arranged in the first medicine storage device 1 and the second medicine storage device 2, and the fluorine-free medicine storage device uses R-134a as a refrigerant and mainly includes an evaporator, a drying filter, a capillary tube, a condenser and a compressor.
[0029] In order to realize the infusion of the pump device to the insulin and glucagon, two sets of infusion pipelines are arranged in the shell, and two sets of infusion pipelines are arranged outside the shell. Specifically, the number of the first injection device 3 and the second injection device 4 is two, two bolus injectors 5 are arranged in the shell, the first medicine storage device 1 is connected to one of the first injection device 3 and one of the second injection device 4 through the bolus injector 5, and the second medicine storage device 2 is connected to the other first injection device 3 and the other second injection device 4 through the bolus injector 5.
[0030] The first injection device 3 and the second injection device 4 are subcutaneous indwelling needles or needleless injectors. The subcutaneous indwelling needle and the needleless injector are mature prior art.
[0031] As an implementable manner, in the embodiment, the first injection device 3 and the second injection device 4 are both needleless injectors, in which case the injector does not need to pierce the human body, but only needs to be pasted on the skin surface of the human body to be used, greatly reducing the pain of the patient, and without the need to replace the micro-needle or soft needle for injection, greatly reducing the burden of the diabetic patient to frequently replace the needle.
[0032] In the embodiment, a specific structure of the pasting type needleless injector is provided, which is lowered in height compared with the existing needleless injector, and the comfort of the patient is improved.
[0033] As Fig. 2As shown, the needleless injector comprises an injector body 7, a communication injection cavity 71 and infusion cavity 72 are arranged in the injector body 7, a valve is arranged between the injection cavity 71 and the infusion cavity 72, the valve controls the opening and closing of the passage between the injection cavity 71 and the infusion cavity 72, the medicine liquid enters the injection cavity 71 from the infusion cavity 72, and the infusion cavity 72 is in communication with the infusion tube.
[0034] Specifically, one end of the injection cavity 71 is provided with an infusion port 711, a valve is arranged at the infusion port 711, a first piston 73 and a second piston 74 perpendicular to each other are arranged in the injection cavity 71, the telescopic end of the second piston 74 corresponds to the infusion port 711, the telescopic end of the first piston 73 faces the second piston 74, the first piston 73 and the second piston 74 are pushed by an electromagnetic assembly, and a spring is arranged between the first piston 73 and the electromagnetic assembly.
[0035] In use, the second piston 74 is retracted, the valve between the injection cavity 71 and the infusion cavity 72 is opened, the valve at the infusion port 711 is closed, the medicine liquid enters the injection cavity 71 from the infusion cavity 72, the spring at the rear end of the first piston 73 is compressed by pushing the first piston 73 to accumulate elastic potential energy; after the medicine liquid is completely filled, the valve between the injection cavity 71 and the infusion cavity 72 is closed, the electromagnetic assembly is turned on, the first piston 73 is pushed forward under the action of the electromagnetic assembly and the spring, at the same time, the valve at the infusion port 711 is opened, the medicine liquid enters the skin from the injection cavity 71, after the first piston 73 moves to the end, the electromagnetic assembly controls the second piston 74 to extend to push the remaining medicine liquid in the injection cavity 71 into the human body, so as to avoid the residue of the medicine liquid.
[0036] Specifically, the electromagnetic assembly comprises a winding iron core 75, the coil wound outside the iron core generates electromagnetic force after being electrified, the tail end of the first piston 73 and the second piston 74 is provided with a limit plate 76 matched with the winding iron core 75, when the winding iron core 75 is electrified, the electromagnetic force generated attracts the limit plate 76 to move, thereby controlling the first piston 73 and the second piston 74. In this embodiment, the limit plate 76 at the extended position and the retracted position of the second piston 74 is provided with a winding iron core 75, and the limit plate 76 at the extended position of the first piston 73 is provided with a winding iron core 75, the first piston 73 is retracted by the thrust generated by the medicine liquid entering the injection cavity 71.
[0037] Preferably, the pumping device is connected with a dynamic blood glucose meter and a dynamic blood oxygen meter for measuring the content of glucose in the body fluid.
[0038] In order to attach the shell to the skin surface, the pumping device further comprises an attaching base plate 6 in contact with the skin, which is attached to the skin surface by means of adhesion, and the other side of the attaching base plate 6 away from the skin is matched with the shell, and the attaching base plate 6 is provided with a clamping groove 61 matched with the shell, and correspondingly, the shell is provided with a protrusion matched with the clamping groove 61, and in order to enable the infusion port 711 of the first injection device 3 to be in contact with the skin, the attaching base plate 6 is provided with an infusion port 62 matched with the infusion port 711 of the first injection device 3.
[0039] Working principle of the utility model:
[0040] In use, the shell is attached to the skin surface through the attaching base plate 6, and the first injection device 3 is used to inject insulin or glucagon into the human body, in which case the infusion tube is not easy to bend, thereby avoiding the situation that the infusion tube is bent to cause the drug solution to fail to enter the human body in the scenario of sleeping at night; when daily exercise or hot summer, the shell can be put into a pocket, and the second injection device 4 is attached to the surface of the human body, and the second injection device 4 is used to inject insulin or glucagon into the human body, in which case the patient has no sense of weight, and the device does not protrude on the surface of the clothes, and is more concealed and more beautiful.
[0041] The above-mentioned embodiments are only preferred embodiments of the utility model, and do not limit the implementation range of the utility model, so that equivalent changes or modifications made according to the structure, features and principles of the utility model patent range should be included in the utility model application patent range.
Claims
1. A pumping device for diabetic patients, used for infusing insulin and glucagon, characterized in that, The device includes a housing, inside which are disposed a first drug reservoir (1), a second drug reservoir (2) and a first injection device (3), and outside the housing is disposed a second injection device (4). Insulin is disposed inside the first drug reservoir (1) and glucagon is disposed inside the second drug reservoir (2). A pusher (5) is disposed on both the first drug reservoir (1) and the second drug reservoir (2). The pusher (5) is connected to the first injection device (3) and the second injection device (4) in sequence through an infusion tube.
2. The pumping device for diabetic patients according to claim 1, characterized in that, The first injection device (3) and the second injection device (4) are subcutaneous indwelling needles or needle-free injectors.
3. A pumping device for diabetic patients according to claim 2, characterized in that, The needleless injector includes an injector body (7), which has an injection chamber (71) and an infusion chamber (72) that are connected to each other. One end of the injection chamber (71) is provided with an infusion port (711), and a first piston (73) and a second piston (74) that are perpendicular to each other are provided in the injection chamber (71).
4. A pumping device for diabetic patients according to claim 3, characterized in that, A valve is provided between the injection chamber (71) and the infusion chamber (72), and the first piston (73) and the second piston (74) are driven by an electromagnetic component.
5. A pumping device for diabetic patients according to claim 1, characterized in that, The liquid outlet of the injector (5) is connected to the first infusion pipe (51), and the second infusion pipe (52) is connected to the first infusion pipe (51). Both the first infusion pipe (51) and the second infusion pipe (52) are equipped with control valves.
6. A pumping device for diabetic patients according to claim 1, characterized in that, The housing contains two sets of infusion lines. There are two first injection devices (3). The first drug reservoir (1) is connected to one of the first injection devices (3) through the injector (5), and the second drug reservoir (2) is connected to the other first injection device (3) through the injector (5).
7. A pumping device for diabetic patients according to claim 1, characterized in that, Two sets of infusion lines are provided outside the shell. There are two second injection devices (4). The first drug reservoir (1) is connected to one of the second injection devices (4) through the injector (5), and the second drug reservoir (2) is connected to the other second injection device (4) through the injector (5).
8. A pumping device for diabetic patients according to claim 1, characterized in that, It also includes a skin-contacting base plate (6), the other side of which matches the housing, and a slot (61) matching the housing is provided on the base plate (6), and an infusion port (62) matching the first injection device (3) is provided on the base plate (6).