A portable insulin auxiliary injection device

Abstract

The present invention discloses a portable insulin auxiliary injection device, which comprises a shell, wherein a needle drive mechanism, a medicine bottle drive mechanism and a syringe drive mechanism are arranged inside the shell, and an opening connecting the inside and outside of the shell is opened on the shell wall; the medicine bottle drive mechanism comprises a second motor, a second transmission mechanism and a medicine bottle holder for mounting medicine bottles, the second motor is connected to the medicine bottle holder through the second transmission mechanism and can drive the medicine bottle holder to move between a position aligned with the opening and a position offset from the opening; the needle drive mechanism comprises a first motor, a first transmission mechanism and a needle holder for fixing the needle, the first motor is connected to the needle holder through the first transmission mechanism and can drive the needle holder to move in and out of the opening or in and out of the medicine bottle to take medicine. The present invention has the advantages of realizing the automation of quantitative injection and ensuring the injection effect of the user.

Description

Technical Field

[0001] The invention relates to a portable insulin auxiliary injection device Background Art

[0002] Auxiliary injection is still an immature field, and it is particularly important for elderly people living alone with diabetes. At present, there is no auxiliary injection device for elderly people living alone with diabetes in China. Elderly people living alone with diabetes cannot do without insulin injections in their daily lives, but there are problems such as unstable injections, inability to control injection doses, inconvenience in carrying when going out, and personal privacy issues when injecting in public places, which bring many inconveniences to elderly people living alone with diabetes. Therefore, how to ensure the injection effect of insulin injections for elderly people living alone with diabetes has become a major problem. Summary of the invention

[0003] The purpose of the present invention is to overcome the deficiencies of the prior art and provide a portable insulin auxiliary injection device.

[0004] The technical solution adopted by the present invention to solve its technical problem is:

[0005] A portable insulin auxiliary injection device comprises a shell, wherein a needle drive mechanism, a medicine bottle drive mechanism and a syringe drive mechanism are arranged inside the shell, and an opening connecting the inside and outside of the shell is opened on the wall of the shell;

[0006] The medicine bottle driving mechanism comprises a second motor, a second transmission mechanism and a medicine bottle holder for mounting the medicine bottle, wherein the second motor is connected to the medicine bottle holder through the second transmission mechanism and can drive the medicine bottle holder to move between a position aligned with the opening and a position offset from the opening;

[0007] The needle drive mechanism comprises a first motor, a first transmission mechanism and a needle support for fixing the needle, wherein the first motor is connected to the needle support through the first transmission mechanism and can drive the needle support to move in and out of the opening or in and out of the medicine bottle to take medicine;

[0008] The syringe drive mechanism includes a third motor, a third transmission mechanism and a syringe. The syringe is fixed to the inner wall of the shell. The third motor is connected to the piston rod of the syringe through the third transmission mechanism and can drive the piston rod of the syringe to move back and forth. The syringe is connected to the needle on the needle holder through a hose.

[0009] In another preferred embodiment, the first transmission mechanism includes a first crank and a first connecting rod, one end of the first crank is connected to the rotating shaft of the first motor, the other end of the first crank is rotatably connected to one end of the first connecting rod, and the other end of the first connecting rod is rotatably connected to the needle holder.

[0010] In another preferred embodiment, a first slide rail is provided on the inner wall of the shell, a slider slidably connected to the first slide rail is provided on the first slide rail, and the needle holder is fixedly connected to the slider so that the needle holder moves along the guide of the first slide rail.

[0011] In another preferred embodiment, the second transmission mechanism includes a second crank and a second connecting rod, one end of the second crank is connected to the rotating shaft of the second motor, the other end of the second crank is rotatably connected to one end of the second connecting rod, and the other end of the second connecting rod is rotatably connected to the medicine bottle holder.

[0012] In another preferred embodiment, a second slide rail is provided on the inner wall of the shell, and the medicine bottle holder is slidably mounted on the second slide rail so that the medicine bottle holder moves along the guide of the second slide rail.

[0013] In another preferred embodiment, the third transmission mechanism includes a third crank and a third connecting rod, one end of the third crank is connected to the rotating shaft of the third motor, the other end of the third crank is rotatably connected to one end of the third connecting rod, and the other end of the third connecting rod is connected to the piston rod of the syringe.

[0014] In another preferred embodiment, there is a fixing member for fixing the syringe piston rod, the fixing member includes a first plate member and a second plate member, a plate surface of the first plate member is provided with a stepped through hole penetrating the first plate member, the tail portion of the syringe piston rod has a push plate, the first plate member and the second plate member are fixedly connected face to face, the push plate is fixed between the stepped surface of the stepped through hole on the first plate member and the plate surface of the second plate member, the third connecting rod is rotatably connected to the second plate member, and drives the piston rod to move by driving the movement of the fixing member.

[0015] In another preferred embodiment, the needle holder includes a holding piece and a needle placement portion, and the lower ends of the holding piece and the needle placement portion are respectively provided with ear pieces with through holes, the holding piece embraces and fixes the needle placement portion and makes the through holes on the two ear pieces align with each other, the other end of the first connecting rod is pivotally connected to the through holes of the two ear pieces, and the holding piece is fixedly connected to the slider.

[0016] In another preferred embodiment, a hanging ring / hook for the fixing strap to pass through is provided on the outer side wall of the shell.

[0017] In another preferred embodiment, the shell is a rectangular shell with an open top surface, the third motor, the first motor and the second motor are arranged on the bottom panel of the rectangular shell, the syringe is fixed on the left panel of the rectangular shell, the opening is arranged on the right panel of the rectangular shell, the first slide rail is arranged on the rear end panel of the rectangular shell and the guide of the first slide rail is parallel to the bottom panel, and the second slide rail is arranged on the right panel of the rectangular shell and the guide of the second slide rail is parallel to the bottom panel.

[0018] In another preferred embodiment, the first motor, the second motor and the third motor are MG995 steering gears.

[0019] The beneficial effects of the present invention are:

[0020] 1. By controlling the working order of the three motors and the rotation angle of the motor shaft, the whole process from sucking the liquid medicine to the end of injection is completed, which frees up manpower, realizes the automation of quantitative injection, and ensures the injection effect of the user.

[0021] 2. The movement of the needle holder, medicine bottle holder and vibration piston rod is realized through the crank and connecting rod.

[0022] 3. The needle holder and the medicine bottle holder can slide by setting a slide rail.

[0023] 4. The piston rod is fixed by setting a fixing piece, and the third connecting rod drives the piston rod to move through the second plate.

[0024] 5. The needle placement part is encircled and fixed by setting an enclosing piece.

[0025] 6. By setting a hanging ring / hook, it is convenient for users to hang the injection device on their waist.

[0026] 7. The motors and slide rails are effectively fixed by using a rectangular housing.

[0027] The present invention is further described in detail below with reference to the accompanying drawings and embodiments;

[0028] The insulin auxiliary injection device is not limited to the embodiment. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 It is a structural schematic diagram of a preferred embodiment of the present invention;

[0030] Figure 2 This is a schematic diagram of the internal structure of a preferred embodiment of the present invention (excluding the medicine bottle holder and the second slide rail);

[0031] Figure 3 This is a schematic diagram of the internal structure of a preferred embodiment of the present invention (excluding the syringe and piston rod);

[0032] Figure 4 This is a schematic structural diagram of a needle support according to a preferred embodiment of the present invention;

[0033] Figure 5 A schematic diagram of the structure of a third motor according to a preferred embodiment of the present invention;

[0034] Figure 6 The figure is a schematic structural diagram of a syringe and a fixing member according to a preferred embodiment of the present invention. DETAILED DESCRIPTION

[0035] For example, see Figures 1 to 6 As shown, a portable insulin auxiliary injection device of the present invention includes a rectangular shell 100 with an open top surface, the shell 100 is surrounded by 5 plastic panels and fixed by a six-sided nut 101, a needle drive mechanism, a medicine bottle drive mechanism and a syringe drive mechanism are arranged inside the shell 100, an opening 110 connecting the inside and outside of the shell 100 is opened on the right side panel of the shell 100, and a hanging ring 120 for the fixing strap to pass through is also arranged next to the opening 110.

[0036] The medicine bottle driving mechanism includes a second motor 210, a second transmission mechanism and a medicine bottle holder 220 for mounting medicine bottles, the second transmission mechanism includes a second crank 230 and a second connecting rod 240, one end of the second crank 230 is connected to the rotating shaft of the second motor 210, the other end of the second crank 230 is rotatably connected to one end of the second connecting rod 240, and the other end of the second connecting rod 240 is rotatably connected to the medicine bottle holder 220, the inner wall of the shell 100 is provided with a second slide rail 250, the medicine bottle holder 220 can be slidably mounted on the second slide rail 250, so that the medicine bottle holder 220 moves along the guide of the second slide rail 250, the second motor 210 and the medicine bottle holder 220 are transmission-connected through the second transmission mechanism and can drive the medicine bottle holder 220 to move along the second slide rail 250 between a position aligned with the opening 110 and a position offset from the opening 110.

[0037] The needle drive mechanism includes a first motor 310, a first transmission mechanism and a needle holder 320 for fixing the needle. The first transmission mechanism includes a first crank 330 and a first connecting rod 340. One end of the first crank 330 is connected to the rotating shaft of the first motor 310, and the other end of the first crank 330 is rotatably connected to one end of the first connecting rod 340. The other end of the first connecting rod 340 is rotatably connected to the needle holder 320. The inner wall of the shell 100 is provided with a first slide rail 350. The first slide rail 350 is provided with a slider 360 slidably connected to the first slide rail 350. The needle holder 320 is fixedly connected to the slider 360, so that the needle holder 320 moves along the first slide rail 350. The first motor 310 is connected to the needle holder 320 through a first transmission mechanism and can drive the needle holder 320 to move along the first slide rail 350 to enter and exit the opening 110 or enter and exit the medicine bottle to take medicine. The needle holder 320 includes a holding piece 321 and a needle placement portion 322. The lower ends of the holding piece 321 and the needle placement portion 322 are respectively provided with ear pieces 324 with through holes 323. The holding piece 321 surrounds and fixes the needle placement portion 322 and makes the through holes 323 on the two ear pieces 324 align with each other. The other end of the first connecting rod 340 is pivotally connected to the through holes 323 of the two ear pieces 324. The holding piece 321 is fixedly connected to the slider 360.

[0038] The syringe drive mechanism includes a third motor 410, a third transmission mechanism, a syringe 420 and a fixing member for fixing a piston rod 430 of the syringe 420. The syringe 420 is fixed to the inner wall of the housing 100. The third transmission mechanism includes a third crank 440 and a third connecting rod 450. One end of the third crank 440 is connected to the rotating shaft of the third motor 410, and the other end of the third crank 440 is rotatably connected to one end of the third connecting rod 450. The other end of the third connecting rod 450 is connected to the piston rod 430 of the syringe 420. The third motor 410 is connected to the piston rod 430 of the syringe 420 through the third transmission mechanism and can drive the piston rod 430 of the syringe 420. Reciprocating motion, the syringe 420 is connected to the needle on the needle holder 320 through a hose, the fixing member includes a first plate 460 and a second plate 470, the surface of the first plate 460 is provided with a stepped through hole 461 penetrating the first plate 460, the tail of the piston rod 430 of the syringe 420 has a push plate 462, the first plate 460 and the second plate 470 are fixedly connected face to face, the push plate 462 is fixed between the stepped surface of the stepped through hole 461 on the first plate 460 and the surface of the second plate 470, the third connecting rod 450 is rotatably connected to the second plate 470, and the movement of the piston rod 430 is driven by the movement of the fixing member.

[0039] The third motor 410, the first motor 310 and the second motor 210 use MG995 servos and are arranged on the bottom panel of the rectangular shell 100, the syringe 420 is fixed to the left side panel of the rectangular shell 100, the first slide rail 350 is arranged on the rear end panel of the rectangular shell 100 and the guide of the first slide rail 350 is parallel to the bottom panel, and the second slide rail 250 is arranged on the right side panel of the rectangular shell 100 and the guide of the second slide rail 250 is parallel to the bottom panel.

[0040] The working process of this embodiment is as follows: the motor start and stop are controlled by the switch button. After the switch is turned on, the second motor 210 of the medicine bottle driving mechanism of the medicine bottle drives the medicine bottle holder 220 to move to a position aligned with the opening 110 through the second transmission mechanism. Then, the first motor 310 of the needle driving mechanism of the needle drives the needle holder 320 through the first transmission mechanism, and the needle is inserted into the medicine bottle by using the quick return characteristic of the crank connecting rod. Next, the syringe driving mechanism of the syringe 420 is controlled to work, and the third motor 410 drives the piston rod 430 to pull outward to absorb the medicine liquid through the third transmission mechanism to complete the removal. After the medicine is injected, the first motor 310 of the needle driving mechanism works to drive the needle back to its original position. Next, the second motor 210 of the medicine bottle driving mechanism drives the medicine bottle holder 220 back to its original position, and then the second motor 210 stops working. Then the first motor 310 of the needle driving mechanism drives the needle to pierce the human body by using the quick return characteristic of the crank connecting rod, and the third motor 410 of the syringe driving mechanism drives the piston rod 430 of the syringe 420 to push inward. After the medicine solution is injected into the human body, the first motor 310 of the needle driving mechanism drives the needle to withdraw from the human body and return to its original position. All the work is completed and the injection is ended.

[0041] This embodiment uses a switch to control the start and stop of the motor to achieve injection. The motor can also be controlled by wireless control of a smartphone. The working order of the motor and the rotation angle of the motor shaft can be controlled by writing a program. The movement distance and speed of the needle holder 320 can be further fine-tuned according to the needle model and actual usage to further improve the injection effect.

[0042] The above embodiments are only used to further illustrate a portable insulin auxiliary injection device of the present invention, but the present invention is not limited to the embodiments. Any simple modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention fall within the protection scope of the technical solution of the present invention.

Claims

1. A portable insulin auxiliary injection device, characterized in that: It comprises a shell, wherein a needle drive mechanism, a medicine bottle drive mechanism and a syringe drive mechanism are arranged inside the shell, and an opening connecting the inside and outside of the shell is opened on the wall of the shell; The medicine bottle driving mechanism comprises a second motor, a second transmission mechanism and a medicine bottle holder for mounting the medicine bottle, wherein the second motor is connected to the medicine bottle holder through the second transmission mechanism and can drive the medicine bottle holder to move between a position aligned with the opening and a position offset from the opening; The needle drive mechanism comprises a first motor, a first transmission mechanism and a needle support for fixing the needle, wherein the first motor is connected to the needle support through the first transmission mechanism and can drive the needle support to move in and out of the opening or in and out of the medicine bottle to take medicine; The syringe drive mechanism includes a third motor, a third transmission mechanism and a syringe, the syringe is fixed to the inner wall of the housing, the third motor is connected to the piston rod of the syringe through the third transmission mechanism and can drive the piston rod of the syringe to move back and forth, and the syringe is connected to the needle on the needle holder through a hose; The first transmission mechanism comprises a first crank and a first connecting rod, one end of the first crank is connected to the rotating shaft of the first motor, the other end of the first crank is rotatably connected to one end of the first connecting rod, and the other end of the first connecting rod is rotatably connected to the needle support; The second transmission mechanism includes a second crank and a second connecting rod, one end of the second crank is connected to the rotating shaft of the second motor, the other end of the second crank is rotatably connected to one end of the second connecting rod, and the other end of the second connecting rod is rotatably connected to the medicine bottle holder; The third transmission mechanism includes a third crank and a third connecting rod, one end of the third crank is connected to the rotating shaft of the third motor, the other end of the third crank is rotatably connected to one end of the third connecting rod, and the other end of the third connecting rod is connected to the piston rod of the syringe.

2. A portable insulin auxiliary injection device according to claim 1, characterized in that: A first slide rail is disposed on the inner wall of the shell, a slider slidably connected to the first slide rail is disposed on the first slide rail, and the needle holder is fixedly connected to the slider so that the needle holder moves along the guide of the first slide rail.

3. A portable insulin auxiliary injection device according to claim 2, characterized in that: The inner wall of the shell is provided with a second slide rail, and the medicine bottle holder is slidably mounted on the second slide rail so that the medicine bottle holder moves along the guide of the second slide rail.

4. A portable insulin auxiliary injection device according to claim 1, characterized in that: A fixing member for fixing the piston rod of the syringe, the fixing member includes a first plate member and a second plate member, a plate surface of the first plate member is provided with a stepped through hole penetrating the first plate member, a tail portion of the piston rod of the syringe is provided with a push plate, the first plate member and the second plate member are fixedly connected face to face, the push plate is fixed between the stepped surface of the stepped through hole on the first plate member and the plate surface of the second plate member, the third connecting rod is rotatably connected to the second plate member, and drives the piston rod to move by driving the movement of the fixing member.

5. A portable insulin auxiliary injection device according to claim 1, characterized in that: The needle holder includes a holding piece and a needle placement portion, wherein the lower ends of the holding piece and the needle placement portion are respectively provided with ear pieces with through holes, the holding piece embraces and fixes the needle placement portion and makes the through holes on the two ear pieces align with each other, the other end of the first connecting rod is pivotally connected to the through holes of the two ear pieces, and the holding piece is fixedly connected to the slider.

6. A portable insulin auxiliary injection device according to claim 1, characterized in that: The outer side wall of the shell is provided with a hanging ring / hook for the fixing strap to pass through.

7. A portable insulin auxiliary injection device according to claim 3, characterized in that: The shell is a rectangular shell with an open top surface, the third motor, the first motor and the second motor are arranged on the bottom panel of the rectangular shell, the syringe is fixed on the left panel of the rectangular shell, the opening is arranged on the right panel of the rectangular shell, the first slide rail is arranged on the rear end panel of the rectangular shell and the guide of the first slide rail is parallel to the bottom panel, and the second slide rail is arranged on the right panel of the rectangular shell and the guide of the second slide rail is parallel to the bottom panel.

8. The portable insulin auxiliary injection device according to claim 1, characterized in that: The first motor, the second motor and the third motor adopt MG995 steering gear.

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