Highly integrated drug infusion device

Abstract

The application discloses a high-integration type medicine infusion device, which comprises an infusion unit, a program unit, an infusion tube and a conductor. The infusion unit is used for outputting medicine. The program unit comprises an input end and an output end. The input end comprises a plurality of electric connection areas to receive a body fluid analyte parameter signal. The output end is electrically connected with the infusion unit. The program unit controls whether the infusion unit outputs medicine. The infusion tube is provided with an electrode and a PAD. One end of the conductor is fixedly connected with the PAD, and the other end of the conductor is electrically connected with the electric connection area. When the infusion tube is installed to a working position, the infusion tube is communicated with the infusion unit, so that the medicine can flow to the body through the infusion tube, and the conductor is electrically connected with the electric connection area to input the body fluid analyte parameter signal into the program unit. The PAD is no longer in sliding connection with the electric connection area, and will not be damaged any more, so that the electric connection stability of the medicine infusion device is improved, and the service life is prolonged.

Description

[0001] Cross-reference to related applications

[0002] This application claims the benefit of and priority of the following patent application: PCT patent application filed on March 15, 2022, application number PCT / CN2022 / 080845. Technical Field

[0003] This invention relates primarily to the field of medical devices, and in particular to a highly integrated drug infusion device. Background Technology

[0004] Diabetes is a metabolic disease primarily caused by abnormal pancreatic function. It is a lifelong condition, and current medical technology cannot cure it; instead, it can be controlled by stabilizing blood sugar levels to manage the onset and progression of diabetes and its complications. A normal human pancreas automatically monitors changes in blood glucose levels and secretes the necessary insulin. Currently, medical devices used to stabilize blood sugar work by implanting a glucose sensor under the skin to dynamically monitor blood sugar levels in real time; and then, through a flexible tube also implanted under the skin, insulin can be precisely infused into the subcutaneous tissue continuously for 24 hours.

[0005] Currently, some devices can integrate sensor probes and infusion tubing into one device, enabling simultaneous detection and infusion through a single puncture site. However, because the electrode contact point (PAD) on the surface of the infusion tubing is slidably connected to the electrical connection area of ​​the program unit to receive body fluid analyte parameter signals, and because the PAD is very thin, it is easily damaged during sliding, thus affecting the electrical connection stability and service life of the integrated drug infusion device.

[0006] Therefore, there is an urgent need for a highly integrated drug infusion device that can increase the stability of electrical connections and extend service life. Summary of the Invention

[0007] This invention discloses a highly integrated drug infusion device. The infusion device is equipped with a conductor. One end of the conductor is fixedly electrically connected to a PAD, and the other end is slidably connected to the electrical connection area of ​​the program unit. The PAD is no longer directly slidably connected to the electrical connection area, thus increasing the electrical connection stability of the highly integrated drug infusion device and extending its service life.

[0008] This invention discloses a highly integrated drug infusion device, comprising: an infusion unit for dispensing drug; a program unit including an input terminal and an output terminal, the input terminal including multiple electrical connection areas to receive body fluid analyte parameter signals, and the program unit controlling whether the infusion unit dispenses drug after the output terminal is electrically connected to the infusion unit; an infusion tube having electrodes and electrode contact points; and a conductor, one end of which is fixedly electrically connected to the electrode contact points, and the other end is slidably electrically connected to the electrical connection areas. When the infusion tube is installed in the working position, the infusion tube is connected to the infusion unit, allowing the drug to flow into the body through the infusion tube, and the conductor is electrically connected to the electrical connection areas to input body fluid analyte parameter signals into the program unit.

[0009] According to one aspect of the invention, the conductor is an elastic conductor.

[0010] According to one aspect of the invention, the elastic conductor is an elastic pin.

[0011] According to one aspect of the present invention, the elastic conductor is an elastic conductive element comprising spaced-apart conductive regions and insulating regions.

[0012] According to one aspect of the invention, the elastic conductive element is a hollow elastic conductive column that is interference-fitted with the infusion tube.

[0013] According to one aspect of the invention, the elastic conductive element has a cuboid structure.

[0014] According to one aspect of the invention, the elastic conductive element at least partially surrounds the infusion tube.

[0015] According to one aspect of the invention, the conductive region and the insulating region respectively pass through the elastic conductive element in the transverse direction.

[0016] According to one aspect of the invention, a conductive region and an insulating region surround the surface of the elastic conductive element.

[0017] According to one aspect of the invention, the conductive regions are spaced-apart elastic conductive elements, and the insulating regions are air regions that separate the conductive regions.

[0018] According to one aspect of the invention, the electrical connection area is a metal conductive contact.

[0019] According to one aspect of the present invention, the elastic conductive element is one of conductive strip, conductive foam or conductive foam.

[0020] According to one aspect of the present invention, a highly integrated drug infusion device comprises multiple parts, wherein the infusion unit and the program unit are disposed in different parts, and the different parts are electrically connected to each other through multiple electrical contacts.

[0021] According to one aspect of the invention, the conductor comprises an elastic pin and an elastic conductive element comprising spaced conductive regions and insulating regions.

[0022] Compared with the prior art, the technical solution of the present invention has the following advantages:

[0023] The highly integrated drug infusion device disclosed in this invention is equipped with a conductor. One end of the conductor is fixedly electrically connected to the PAD, and the other end is slidably connected to the electrical connection area of ​​the program unit. The sliding connection between the conductor and the electrical connection area replaces the sliding connection between the PAD and the electrical connection area, so the PAD will not be damaged. The thickness of the conductor is much greater than that of the PAD, and its wear resistance is also much greater than that of the PAD. Therefore, the electrical connection stability of the highly integrated drug infusion device is increased, and the service life of the highly integrated drug infusion device is extended.

[0024] Furthermore, the conductor is an elastic conductor. Elastic materials deform under pressure, thus providing a locking effect. Using elastic conductors allows for better electrical contact while also acting as a buffer. Therefore, elastic conductors, whether used as conductive structures or auxiliary structures at electrical connection points, can create tighter connections, thereby improving the reliability of the electrical connection.

[0025] Furthermore, the elastic conductor is an elastic conductive element that includes spaced conductive areas and insulating areas, which can simultaneously achieve conductivity between circuits and insulation between different circuits. It has a compact structure and facilitates the integrated design of highly integrated drug infusion devices.

[0026] Furthermore, the elastic conductor includes elastic pins and / or elastic conductive elements including spaced conductive and insulating regions, which can be flexibly selected according to actual needs.

[0027] Furthermore, the elastic conductive element is a hollow elastic conductive post. The elastic conductive post and the infusion tube are interference-fitted to prevent poor contact. Even without external pressure, the electrical connection between the PAD and the elastic conductive element can be maintained stably.

[0028] Furthermore, the infusion unit includes multiple infusion sub-units, each electrically connected to the output terminal. The program unit selects and controls whether the infusion sub-units output drugs. Different drugs are placed in the multiple sub-units, and the program unit selects and sends drug infusion commands to different infusion sub-units to achieve precise control of the parameters of the body fluid analyte. Attached Figure Description

[0029] Figure 1 This is a flowchart illustrating the operation of a highly integrated drug infusion device according to an embodiment of the present invention.

[0030] Figure 2aThis is a cross-sectional view of the infusion tube of a highly integrated drug infusion device according to an embodiment of the present invention, located at the installation position.

[0031] Figure 2b This is a cross-sectional schematic diagram of the infusion tube of a highly integrated drug infusion device according to an embodiment of the present invention in the working position;

[0032] Figure 3a for Figure 2b Cross-sectional view of the elastic conductor, PAD, and electrical connection region;

[0033] Figure 3b for Figure 3a Side view of a medium elastic conductor;

[0034] Figure 3c This is a cross-sectional view of an elastic conductor and a PAD according to another embodiment of the present invention;

[0035] Figures 3d-3e These are cross-sectional views of the elastic conductor, PAD, and electrical connection region in different embodiments of the present invention;

[0036] Figure 4 This is a schematic diagram of the structure of the elastic conductor, PAD, and electrical connection region according to another embodiment of the present invention;

[0037] Figures 5a-5b These are schematic diagrams illustrating the electrical connection regions and electrical connection positions of the elastic conductors in different embodiments of the present invention.

[0038] Figures 6a-6b The diagram shows the structure of the infusion tube, PAD, and elastic conductor in different embodiments of the present invention.

[0039] Figures 7a-7b This is a top view of a highly integrated drug infusion device according to different embodiments of the present invention;

[0040] Figure 8 This is a schematic diagram of the structure of a highly integrated drug infusion device and remote device according to another embodiment of the present invention. Detailed Implementation

[0041] As mentioned earlier, existing integrated drug infusion devices have electrode contact points (PADs) on the surface of the infusion tube that are directly slidably connected to the electrical connection area of ​​the program unit to receive body fluid analyte parameter signals. During the sliding process, the PADs are easily damaged, which affects the electrical connection stability and service life of the highly integrated drug infusion device.

[0042] To address this problem, the present invention provides a highly integrated drug infusion device. The infusion device includes a conductor, one end of which is fixedly electrically connected to a PAD, and the other end is slidably connected to the electrical connection area of ​​a program unit. The PAD is no longer slidably connected to the electrical connection area, thus preventing damage to the PAD. Therefore, the electrical connection stability of the highly integrated drug infusion device can be increased, and the service life of the highly integrated drug infusion device can be extended.

[0043] Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be understood that, unless otherwise specifically stated, the relative arrangement, numerical expressions, and values ​​of the components and steps set forth in these embodiments should not be construed as limiting the scope of the invention.

[0044] Furthermore, it should be understood that, for ease of description, the dimensions of the various components shown in the accompanying drawings are not necessarily drawn to actual scale; for example, the thickness, width, length, or distance of some units may be enlarged relative to other structures.

[0045] The following description of exemplary embodiments is merely illustrative and is not intended to limit the invention or its application or use in any way. Techniques, methods, and apparatus known to those skilled in the art may not be discussed in detail herein, but where applicable, such techniques, methods, and apparatus should be considered part of this specification.

[0046] It should be noted that similar reference numerals and letters in the following figures indicate similar items; therefore, once an item is defined or described in a figure, it will not need to be discussed further in the subsequent description of the figures.

[0047] Figure 1 This is a flowchart illustrating the operation of the highly integrated drug infusion device according to an embodiment of the present invention.

[0048] This invention's highly integrated drug infusion device comprises three basic parts: electrodes, a programming unit, and an infusion unit. Body fluid analyte parameter information is acquired by the electrodes and converted into electrical signals. These electrical signals are transmitted to the programming unit via the electrodes and / or electrode wires. After analyzing the body fluid analyte parameter signals, the programming unit sends a signal to the infusion unit indicating whether drug infusion should proceed, thereby controlling whether the infusion unit performs drug infusion and stabilizing the body fluid parameters. The body fluid analyte parameters are detected by the electrodes in real time, continuously performing a detection-infusion cycle. This process requires no human intervention and is directly completed through program analysis to control the stability of the body fluid parameters.

[0049] In another embodiment of the present invention, after receiving the analyte parameter information, the program unit uses the analyte parameter information only as a comparison parameter index for controlling whether the alarm unit issues an alarm. For example, when the detected analyte parameter information exceeds a preset threshold, the program unit controls the alarm unit to issue an alarm. The program unit can also control whether the infusion unit performs drug infusion and stabilize body fluid parameters by sending a signal to the infusion unit to determine whether to perform drug infusion according to a preset program.

[0050] Figures 2a-2b These are cross-sectional views of the highly integrated drug infusion device 100 according to an embodiment of the present invention. The highly integrated drug infusion device 100 is an integral structure. Figure 2a With infusion tubing 130 in the installation position, Figure 2b The infusion tube 130 is in the working position.

[0051] The program unit 120 includes an input terminal 121 and an output terminal 122. The input terminal 121 is used to receive parameter signals from body fluid analytes. In this embodiment, the input terminal 121 includes electrical connection areas 121a, 121b, and 121c. In the operating state, the input terminal 121 is electrically connected to an electrode contact point (PAD) 140 via a conductor 170 to receive parameter signals, wherein the conductor 170 is fixedly connected to the PAD 140. Figure 2a and 2b Only one component is shown in the diagram; the specific connection methods of conductor 170, input terminal 121, and PAD 140 will be described in detail below. In other embodiments of the invention, depending on the number of electrodes, input terminal 121 may include only two electrical connection areas or more electrical connection areas. Output terminal 122 is electrically connected to infusion unit 110 to enable program unit 120 to control infusion unit 110.

[0052] In this embodiment of the invention, the infusion tube 130 is mounted on the mounting device 150. When the infusion tube 130 is in the mounting position, the mounting device 150 protrudes from the surface of the housing of the highly integrated drug infusion device 100, as shown below. Figure 2a As shown. When the infusion tubing 130 is installed in the working position, the mounting device 150 enters the highly integrated drug infusion device 100, and its top becomes an integral structure with the housing of the highly integrated drug infusion device 100, as shown. Figure 2b As shown. Before use, the installation device 150, carrying the infusion tube 130, is in the installation position. When using the device, the user places the highly integrated drug infusion device 100 onto the body surface and presses the installation device 150 to complete the installation. The highly integrated drug infusion device can then begin normal operation. Compared to other infusion tube installation methods, the installation method of this embodiment reduces the number of steps required for user installation, making installation more convenient and flexible, and improving the user experience.

[0053] There are various ways in which the infusion tube 130 can be arranged in the mounting device 150, and no specific limitation is made here. Specifically, in this embodiment of the invention, a portion of the infusion tube 130 protrudes from the other side of the mounting device 150. Figure 2a and 2b (As shown by the dashed line in the middle), it is used for subsequent connection with the outlet of infusion unit 110 to realize drug flow.

[0054] like Figure 2a As shown, when the infusion tube 130 is in the installation position, the elastic conductor 170 is not electrically connected to the input terminal 121. Furthermore, the other end of the infusion tube 130 is not connected to the outlet of the infusion unit 110. Figure 2b As shown, when the infusion tubing 130 is installed in the working position, one end of the infusion tubing 130 is inserted subcutaneously. Figure 2b (Screenshot of the solid line portion of the infusion tube), the other end ( Figure 2b (The dotted line portion of the infusion tube is shown in the diagram) It is connected to the outlet of the infusion unit 110, thereby establishing a flow channel for the drug from the infusion unit 110 to the human tissue fluid. At the same time, PAD 140 and elastic conductor 170 reach the electrical connection area of ​​the input terminal 121, realizing the electrical connection between the program unit 120 and the elastic conductor 170, and thus realizing the electrical connection between the program unit 120 and PAD 140.

[0055] It should be noted that even when the infusion tube 130 and the infusion unit 110 are connected, and the input terminal 121 is electrically connected to the elastic conductor 170 on the infusion tube 130, the program unit 120 will be in a non-operating state as long as the infusion tube 130 is not inserted subcutaneously. In this state, the highly integrated drug infusion device does not generate analyte parameter signals, and the program unit will not issue any instructions on whether to perform an alarm or infusion. Therefore, in other embodiments of the present invention, when the infusion tube 130 is in the installation position, the elastic conductor 170 can also be electrically connected to the electrical connection area of ​​the input terminal 121, or the infusion tube 130 can also be connected to the outlet of the infusion unit 110; no specific limitations are imposed here.

[0056] In this embodiment of the invention, a medical adhesive tape 160 is also included for attaching the highly integrated drug infusion device 100 to the skin surface, so as to attach the program unit 120, infusion unit 110, electrode and infusion tube 130 as a whole to the skin. When the infusion tube 130 is installed in the working position, the portion of the infusion tube 130 inserted under the skin is 13.

[0057] Figure 3a for Figure 2b Cross-sectional view of the elastic conductor, PAD, and electrical connection region. Figure 3b for Figure 3a Side view of a medium elastic conductor. Figure 3c This is a cross-sectional view of an elastic conductor, PAD, according to another embodiment of the present invention. Figures 3d-3e This is a cross-sectional view of the elastic conductor, PAD, and electrical connection region in different embodiments of the present invention.

[0058] During the use of existing integrated drug infusion devices, the infusion tube 130 and the input end 121 will slide relative to each other. Since no additional conductor is provided on the infusion tube, the electrode contact point (PAD) 140 on the infusion tube will directly rub against the electrical connection area of ​​the input end 121. The PAD 140 is very thin and is easily damaged during the friction with the input end, affecting the stability of the electrical connection between the PAD 140 and the input end 121, thereby affecting the lifespan of the highly integrated drug infusion device.

[0059] In this embodiment of the invention, a conductor 170 is also provided on the infusion tube to realize the electrical connection between the PAD 140 on the infusion tube and the electrical connection areas 121a, 121b and 121c. When the infusion tube 130 slides relative to the input end 121, since the conductor 170 is fixedly connected to the PAD 140 on the infusion tube, the component that actually rubs against the input end 121 is the conductor 170. The thickness of the conductor 170 can be much larger than that of the PAD, and its friction resistance is much greater than that of the PAD 140, thus increasing the stability of the electrical connection between the PAD 140 and the input end 121.

[0060] Preferably, in this embodiment of the invention, the conductor 170 is an elastic conductor. The elastic material deforms when compressed, thus providing a locking effect. Using an elastic conductor allows for better electrical contact while also acting as a buffer. Therefore, elastic conductors, whether used as conductive structures or as auxiliary structures at electrical connection points, can achieve tighter connections, thereby improving the reliability of the electrical connection.

[0061] In one embodiment of the present invention, the elastic conductor is an elastic pin, the position and number of which correspond to the position and number of PADs.

[0062] In another embodiment of the invention, regardless of the number of PADs, the number of elastic conductors is set to one, and setting only one elastic conductor reduces the number of internal structures of the highly integrated drug infusion device.

[0063] At this time, the elastic conductor 170 is an elastic conductive element comprising at least two conductive regions 170a and at least one insulating region 170b. The conductive regions 170a and the insulating regions 170b respectively serve the functions of electrical conduction and electrical insulation. The conductive regions 170a and the insulating regions 170b cannot be separated from each other, that is, the conductive regions 170a and the insulating regions 170b are each part of the overall elastic conductor 170.

[0064] An insulating region 170b is provided between adjacent conductive regions 170a. Different PADs 140 or different electrical connection regions are electrically connected to different conductive regions 170a, thereby making any two PADs 140 or any two electrical connection regions electrically insulated from each other.

[0065] Inside the elastic conductor 170, the conductive region 170a and the insulating region 170b pass through the elastic conductor 170 in the lateral direction, such as... Figure 3b As shown. Here, the lateral direction refers to the direction from PAD140 to the corresponding electrical connection area, or the direction of current between PAD140 and the electrical connection area. When PAD140 is electrically connected to the electrical connection area, this design ensures that the elastic conductor 170 can only conduct electricity laterally and not longitudinally. The elastic conductor 170 connects PAD140 to the corresponding electrical connection area while simultaneously insulating different PAD140s or different electrical connection areas. In other embodiments of the invention, the conductive and insulating areas of the elastic conductor 170 can also surround the surrounding surface of the insulating material, or the conductive areas can be spaced elastic conductors with intervals, and the insulating areas can be the space between the conductive areas, such as air or vacuum. One elastic conductor 170 simultaneously serves as both conductor and insulator, reducing the complexity of the internal structure of the highly integrated infusion device, making the internal structure more compact, and improving the electrical connection reliability of the infusion device.

[0066] In this embodiment of the invention, the elastic conductor 170 can be one of the following materials: conductive adhesive strip, conductive foam, or conductive foam. Since the adhesive strip, foam, or foam itself is electrically insulating, it can ensure good insulation between different circuits. By setting spaced conductive areas on the surface of the adhesive strip, foam, or foam, or by having the conductive areas pass through the insulating material in the transverse direction of the space, circuit conduction can be achieved on each surface of the elastic conductor 170.

[0067] It should be noted that in other embodiments of the present invention, the conductive region 170a or the insulating region 170b may also have a certain inclination, or be arranged in other directions or in other ways inside the elastic conductor 170. There are no specific limitations here, as long as the above-mentioned conditions of electrical conduction and electrical insulation can be met.

[0068] In one embodiment of the invention, conductive regions 170a and insulating regions 170b are spaced apart and respectively penetrate the elastic conductor 170. In another embodiment of the invention, different conductive regions 170a are arranged in the same insulating region 170b, that is, they are surrounded by the same insulating region 170b, such as... Figure 3d As shown. In another embodiment of the invention, the top view of the elastic conductor 170 may be annular, as shown. Figure 3eAs shown. In another embodiment of the present invention, the top view of the elastic conductor 170 may also be circular.

[0069] In other embodiments of the present invention, the elastic conductor 170 may have other shapes, which are not specifically limited here, as long as they can meet the conditions for realizing the above-mentioned functions of the elastic conductor 170.

[0070] Please continue to refer to this. Figure 3a and Figure 3b When the elastic conductor 170 is electrically connected to the PAD 140 and the electrical connection area respectively, an insulating region 170b is spaced between any two PADs 140 connected to the elastic conductor 170. Specifically, in this embodiment of the invention, the insulating region 170b between any two PADs 140 includes a portion of an insulating region 170b (e.g., Figure 3a and Figure 3b Between 140a and 140b), or one insulation zone 170b, or more than one insulation zone 170b (e.g. Figure 3a and Figure 3b Between 140c and 140b). Similarly, the insulating region 170b separating any two electrical connection regions connected to the elastic conductor 170 includes a portion of an insulating region 170b, or an insulating region 170b, or more than one insulating region 170b. However, it is obvious that the PAD and the corresponding electrical connection regions (such as between 140a and 121a, between 140b and 121b, or between 140c and 121c) share a portion of the conductive region 170a to achieve electrical conduction between them. The common conductive region includes a portion of a conductive region 170a (such as between 140c and 121a, between 140b and 121b, or between 140c and 121c). Figure 3a and Figure 3b Between 140c and 121c), or one conductive region 170a, or more than one conductive region 170a.

[0071] Combination Figure 3a and Figure 3b Those skilled in the art will readily understand that the aforementioned part of an insulating or conductive region, an insulating or conductive region, and more than one insulating or conductive region are merely the span of the PAD or electrical connection region in a one-dimensional direction (such as the direction of the conductive region arrangement).

[0072] In other embodiments of the invention, a portion of an insulating or conductive region, an insulating or conductive region, and more than one insulating or conductive region may also represent the coverage of the PAD or electrical connection region over the insulating or conductive region in a two-dimensional direction (in area), such as... Figure 3c As shown. Taking the PAD as an example, Figure 3cThe dashed lines in the diagram represent a portion of the PAD's outline. Clearly, the PAD140 can cover a portion of an insulating or conductive area, or one or more insulating or conductive areas.

[0073] Clearly, when the number or range of conductive or insulating regions between the above structures is large, the reliability of electrical connections or electrical insulation between the structures will be significantly improved.

[0074] Clearly, when the number of electrodes is two, the number of PADs and electrical connection regions is also two. In this case, the elastic conductor 170 only needs to include two conductive regions 170a and an insulating region 170b disposed between the two conductive regions 170a. That is, two different pairs of PADs and electrical connection regions are electrically connected through different conductive regions 170a to achieve electrical conduction. Simultaneously, the two PADs or two electrical connection regions are separated by the insulating region to achieve electrical insulation.

[0075] Other embodiments of the present invention may include even more electrodes. Therefore, the elastic conductor 170 includes more mutually spaced conductive and insulating regions, allowing for more flexible electrical connections, such as... Figure 4 As shown.

[0076] It should be noted that in other embodiments of the present invention, at least three electrodes, i.e., at least three PADs, are included, wherein at least two PADs are electrically connected to their corresponding electrical connection areas through different conductive regions 170a, and the connection method and principle are consistent with those described above. For other PADs and electrical connection areas not connected to the elastic conductor 170, the embodiments of the present invention do not limit their connection method or principle, and can be flexibly selected according to actual needs. For example, in one embodiment of the present invention, only the working electrode and the counter electrode are electrically connected to the electrical connection area by their respective PADs through the aforementioned elastic conductor, while the reference electrode is electrically connected to the electrical connection area in other ways, such as through the aforementioned elastic pin.

[0077] Figures 5a-5b This is a schematic diagram of the electrical connection area and the electrical connection position of the elastic conductor in different embodiments of the present invention.

[0078] For ease of labeling and description, Figure 5a and Figure 5b The electrical connection area and the elastic conductor will be shown separately.

[0079] like Figure 5aAs shown in this embodiment of the invention, the electrical connection areas 121a, 121b, and 121c are protruding, spherical, cap-shaped metal conductive contacts. Correspondingly, the elastic conductor 170 has a recess at the position where it connects with the protruding metal conductive contacts, making the connection tighter. Simultaneously, this connection between the protrusion and the recess also serves to fix the position of the elastic conductor 170; that is, regardless of the external force applied to the infusion device, the position of the elastic conductor 170 remains fixed and does not shift, ensuring that the elastic conductor 170 performs normal conductive and insulating functions.

[0080] It should be noted that the elastic conductor 170 may not have a recess. When pressed by a protruding metal conductive contact, a recess that matches the metal conductive contact will automatically appear on the elastic conductor 170, ensuring the function of electrical connection or electrical insulation.

[0081] like Figure 5b As shown, in another embodiment of the present invention, the electrical connection area is disposed inside the input terminal 121. In this case, a corresponding protrusion is disposed on the elastic conductor 170, which can enter the interior of the input terminal 121 and be electrically connected to the corresponding electrical connection area.

[0082] Figures 6a-6b The diagram shows the structure of the infusion tube, PAD, and elastic conductor in different embodiments of the present invention.

[0083] Because the infusion device is a highly integrated infusion device, the electrode is formed on the circular infusion tube 130, and the PAD 140 is also formed on the infusion tube 130 with a certain curvature. Therefore, in one embodiment of the present invention, the elastic conductive element is a hollow elastic conductive post. The elastic conductive post and the infusion tube are interference-fitted to prevent poor contact. Even without external pressure, the electrical connection stability between the PAD 140 and the elastic conductor 170 can be maintained. Figure 6a As shown. In another embodiment of the invention, the elastic conductor 170 has a cuboid structure, surrounding the infusion tube 130, forming a structure similar to the infusion tube 130 being inserted into the elastic conductor 170, so that the PAD 140 and the elastic conductor 170 are completely in contact. Under the pressure of the input end 121 or other components such as the housing, the PAD 140, the elastic conductor 170, and the electrical connection area achieve a stable electrical connection through locking. In yet another embodiment of the invention, the elastic conductor 170 only partially surrounds the infusion tube 130, and the contact length between the elastic conductor 170 and the infusion tube 130 is not less than the length of the PAD 140, that is, the elastic conductor 170 completely covers the PAD 140, as shown. Figure 6b As shown, under pressure from the input terminal 121 or other components such as the housing, the PAD 140, the elastic conductor 170, and the electrical connection area can also achieve a stable electrical connection by locking.

[0084] Figure 7aThis is a top view of a highly integrated drug infusion device 100 according to another embodiment of the present invention.

[0085] In one embodiment of the present invention, the highly integrated drug infusion device 100 includes two parts. A program unit 120 is disposed in one part, and an infusion unit 110 is disposed in the other part. The two parts are electrically connected by a plurality of electrical contacts 123. Compared to connectors configured as plug-in terminals, electrical contacts have a smaller contact area, allowing for flexible design and effectively reducing the volume of the control structure. Simultaneously, the electrical contacts can be directly electrically connected to internal circuits or electrical components, or can be directly soldered onto a circuit board, optimizing the design of the internal circuit and effectively reducing circuit complexity, thus saving costs and reducing the size of the infusion device. The types of electrical contacts 123 include rigid metal contacts or elastic conductive elements. Elastic conductive elements include conductive springs, conductive silicone, conductive rubber, or conductive sheets, etc.

[0086] Figure 7b This is a top view of a highly integrated drug infusion device 100 according to another embodiment of the present invention.

[0087] In this embodiment of the invention, the highly integrated drug infusion device 100 comprises two parts, and the infusion unit 110 includes two infusion subunits 110a and 110b. Infusion subunits 110a and 110b can hold different drugs, such as insulin, glucagon, antibiotics, nutrient solutions, analgesics, morphine, anticoagulants, gene therapy drugs, cardiovascular drugs, or chemotherapy drugs. Infusion subunits 110a and 110b are electrically connected to output terminals 122a and 122b, respectively, enabling the program unit 120 to control the infusion unit 110. The outlets of infusion subunits 110a and 110b are respectively connected to infusion tubing portions 130a and 130b. Infusion tubing portions 130a and 130b are respectively connected to infusion tubing portion 130c. Infusion tubing portion 130c is inserted subcutaneously, thereby establishing a channel for the two drugs to flow from the infusion unit 110 into the body fluids. Even highly integrated drug infusion devices still require insertion into the subcutaneous tissue at only one location. In this embodiment of the invention, after the body fluid analyte parameter signal is transmitted to the program unit 120, the program unit 120 can output different infusion signals to different infusion subunits to control whether drug infusion is needed, thereby achieving precise detection and control of body fluid analyte parameters to stabilize the user's physiological state.

[0088] In other embodiments of the present invention, more infusion sub-units may be provided according to actual needs, and multiple infusion sub-units may be disposed in different parts of the highly integrated drug infusion device 100, without specific limitations.

[0089] Please refer to Figure 8 Signal transmission between remote device 200 and highly integrated drug infusion device 100.

[0090] This embodiment of the invention also includes a remote device 200. The remote device 200 includes, but is not limited to, handheld devices, mobile terminals, etc. The remote device 200 and the program unit 120 transmit wireless signals to each other. The program unit 120 can send body fluid analyte parameter information, drug infusion information (including infusion or non-infusion), or alarm information to the remote device 200. The remote device 200 can receive, record, store, and display body fluid parameter information, infusion information, or alarm information, as well as other functional options. Users can view historical or real-time information at any time through the remote device 200. Through the remote device 200, users can also manually select infusion information or alarm information remotely and wirelessly transmit the information to the program unit 120. Under the premise that the program unit 120 deems it safe, it controls whether the infusion unit performs drug infusion, thereby realizing remote manual control.

[0091] In summary, this invention discloses a highly integrated drug infusion device. One end of the conductor is fixedly electrically connected to the PAD, and the other end is slidably connected to the electrical connection area of ​​the program unit. By replacing the sliding connection between the PAD and the electrical connection area with the sliding connection between the conductor and the electrical connection area, the PAD will not be damaged. Moreover, the thickness of the conductor is much greater than that of the PAD, and its wear resistance is also much greater than that of the PAD. Therefore, the electrical connection stability of the highly integrated drug infusion device is increased, and the service life of the highly integrated drug infusion device is extended.

[0092] While specific embodiments of the invention have been described in detail by way of examples, those skilled in the art should understand that the above examples are for illustrative purposes only and are not intended to limit the scope of the invention. Those skilled in the art should understand that modifications can be made to the above embodiments without departing from the scope and spirit of the invention. The scope of the invention is defined by the appended claims.

Claims

1. A highly integrated drug infusion device, characterized in that, include: Infusion unit, the infusion unit being used to dispense drugs; The program unit includes an input terminal and an output terminal. The input terminal includes multiple electrical connection areas to receive body fluid analyte parameter signals. After the output terminal is electrically connected to the infusion unit, the program unit controls the drug output of the infusion unit. An infusion tube, wherein electrodes and electrode contact points are provided on the infusion tube; and A conductor is provided, with one end fixedly electrically connected to the electrode contact point and the other end slidably electrically connected to the electrical connection area. The thickness of the conductor is greater than the thickness of the electrode contact point. When the infusion tube slides relative to the input end, the conductor rubs against the input end, while the electrode contact point does not rub against the input end. When the infusion tube is installed in the working position, the infusion tube is connected to the infusion unit, allowing the drug to flow into the body through the infusion tube. The conductor is also electrically connected to the electrical connection area to input the body fluid analyte parameter signal into the program unit.

2. The highly integrated drug infusion device according to claim 1, characterized in that, The conductor is an elastic conductor.

3. The highly integrated drug infusion device according to claim 2, characterized in that, The elastic conductor is an elastic pin.

4. The highly integrated drug infusion device according to claim 2, characterized in that, The elastic conductor is an elastic conductive element comprising spaced-apart conductive regions and insulating regions.

5. The highly integrated drug infusion device according to claim 4, characterized in that, The elastic conductive element is a hollow elastic conductive column that is interference-fitted with the infusion tube.

6. The highly integrated drug infusion device according to claim 4, characterized in that, The elastic conductive element has a cuboid structure.

7. The highly integrated drug infusion device according to claim 6, characterized in that, The elastic conductive element at least partially surrounds the infusion tube.

8. The highly integrated drug infusion device according to claim 4, characterized in that, The conductive area and the insulating area pass through the elastic conductive element in the lateral direction, respectively.

9. The highly integrated drug infusion device according to claim 4, characterized in that, The conductive area and the insulating area surround the surface of the elastic conductive element.

10. The highly integrated drug infusion device according to claim 4, characterized in that, The conductive regions are spaced-apart elastic conductive elements, and the insulating regions are the air regions that separate the conductive regions.

11. The highly integrated drug infusion device according to claim 1, characterized in that, The electrical connection area is a metal conductive contact.

12. The highly integrated drug infusion device according to claim 4, characterized in that, The elastic conductive element is one of conductive rubber strips, conductive foam, or conductive foam.

13. The highly integrated drug infusion device according to claim 1, characterized in that, The highly integrated drug infusion device consists of multiple parts, with the infusion unit and the program unit located in different parts, and the different parts are electrically connected through multiple electrical contacts.

14. The highly integrated drug infusion device according to claim 1, characterized in that, The conductor is an elastic conductive element comprising elastic pins and elastic conductive regions and insulating regions spaced apart.

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