Pen-type full-automatic precision injection system

Abstract

A pen-type full-automatic precision injection system, comprising: a support table (1), an injection assembly (2), a connecting device (3), a control console (4), and a control switch (5). The control console (4) is arranged on the support table (1), the injection assembly (2) is connected to the control console (4) by means of the connecting device (3), and the control switch (5) can control the injection assembly (2) by means of the control console (4). The injection assembly (2) comprises an auxiliary positioning device (21), a housing (22), a drug storage device (23), a first movement assembly (24), and a second movement assembly (25). The auxiliary positioning device (21) is connected to a left wall of the housing (22). The first movement assembly (24) can drive an outer barrel (231) of the drug storage device (23) to move left and right, an injection needle (232) of the drug storage device (23) can penetrate through the housing (22) and the auxiliary positioning device (21) to pierce the skin of a human body, and the second movement assembly (25) can push a pushing rod (233) of the drug storage device (23) to move to push an injection liquid into the human body. The pen-type full-automatic precision injection system can achieve functions such as automatic injection, adjustment of the injection depth, precise control over the needle piercing depth, precise control over the injection dose, precise control over the injection rate, bubble detection, and pressure detection during injection.

Description

A pen-type fully automatic precision injection system Technical Field

[0001] The present invention relates to the technical field of medicine storage devices, in particular to a pen-type fully automatic precision injection system. Background Art

[0002] When injecting stem cells, EVs, drugs, botulinum toxin and hyaluronic acid, an injection device is required. Current injection devices include traditional syringes, mesotherapy guns (for injecting hyaluronic acid and other essences), water-light guns (for injecting hyaluronic acid and other essences), and subcutaneous electronic syringe-controlled group push devices (for injecting sodium hyaluronate).

[0003] Traditional drug reservoirs are flexible, cheap, and intuitive to operate, but they have inaccurate injection depth and dosage, are prone to misinjection, and lack bubble detection and pressure detection.

[0004] The mesotherapy gun is flexible to operate, the injection depth is adjustable, and small areas can be injected, but the injection depth is not accurate, the number of injections is large, the weight is heavy, it cannot be automatically injected, the accuracy is insufficient, and there is a lack of bubble detection and pressure detection.

[0005] The injection depth and injection rate of the water gun are controllable, and the dosage is accurate, but it is heavy, lacks precision, and lacks bubble detection and pressure detection.

[0006] The injection rate of the subcutaneous electronic drug reservoir control group push device is controllable, the dosage is accurate, and it can be automatically injected, but the injection depth is inaccurate and there is a lack of bubble detection and pressure detection. Technical issues

[0007] In response to the defects in the existing technology, the present invention provides a pen-type fully automatic precision injection system. During injection, this device can realize automatic injection, injection depth adjustment, precise control of needle insertion depth, precise control of injection dosage, precise control of injection rate, bubble detection and pressure detection and other functions. Technical Solutions

[0008] A pen-type fully automatic precision injection system includes a support platform, an injection component, a connecting device, a console and a control switch. The console is arranged on the support platform. The injection component is connected to the console via the connecting device. The control switch can control the injection component through the console. The injection component includes an auxiliary positioning device, a shell, a medicine reservoir, a first motion component and a second motion component. The auxiliary positioning device is connected to the left wall of the shell. The auxiliary positioning device fits the human skin and can make uneven skin tend to be planar. The medicine reservoir, the first motion component and the second motion component are all arranged in the shell. The first motion component can drive the outer cylinder of the medicine reservoir to move left and right, and the injection needle of the medicine reservoir can penetrate the shell and the auxiliary positioning device to penetrate the human skin. The second motion component can push the push rod of the medicine reservoir to move to push the injection liquid into the human body.

[0009] Preferably, the first motion assembly includes a first motor, a first connecting rod and a first motion block, the output shaft of the first motor is connected to the first connecting rod, the first connecting rod passes through the first motion block and is threadedly connected to the first motion block, the first motion block is slidably arranged in the outer shell, the first motion block is connected to the mounting block, and the mounting block is connected to the outer cylinder of the medicine storage container.

[0010] Preferably, a first fixing bar is provided on the inner bottom wall of the housing, the bottom wall of the first moving block is connected to the first sliding block, and the first fixing bar movably passes through the first sliding block.

[0011] Preferably, the second motion assembly includes a second motor, a second connecting rod and a second motion block, the output shaft of the second motor is connected to the second connecting rod, the second connecting rod passes through the second motion block and is threadedly connected to the second motion block, the second motion block is slidably arranged in the outer shell, and the left wall of the second motion block is in contact with the push rod of the medicine storage device.

[0012] Preferably, a second fixing bar is provided on the inner bottom wall of the housing, the bottom wall of the second moving block is connected to the second sliding block, and the second fixing bar movably passes through the second sliding block.

[0013] Preferably, the auxiliary positioning device is a fitting block, the fitting block has a central hole, an annular cavity is provided in the fitting block, a plurality of air holes are opened on the left wall of the annular cavity, and the annular cavity is connected to a negative pressure device connecting pipe.

[0014] Preferably, the fitting block is made of flexible material.

[0015] Preferably, a pressure sensor is provided on the second motion block, and the pressure sensor can be in contact with the push rod of the medicine reservoir, and the pressure sensor can detect the motion resistance of the second motion block.

[0016] Preferably, a bubble sensor is provided in the housing, and the bubble sensor can detect bubbles in the front of the medicine reservoir.

[0017] Preferably, the control switch controls the injection assembly by foot or manual means.

[0018] Beneficial effects

[0019] The beneficial effects of the present invention are reflected in: a support platform is provided in the present technical solution, and a control console is provided on the support platform. The control console is connected to the injection assembly through a connecting device. The injection assembly includes an auxiliary positioning device, an outer shell, a medicine reservoir, a first motion component and a second motion component. The medicine reservoir, the first motion component and the second motion component are all located in the outer shell. When injecting, the first motion component starts to drive the outer cylinder of the medicine reservoir to move, and the outer cylinder drives the injection needle to move to the left. The injection needle passes through the auxiliary positioning device and penetrates the human skin. During the movement of the outer cylinder, the second motion component starts to move synchronously. After the injection needle penetrates the human skin, the outer cylinder stops moving, and the second motion component continues to work. The second motion component pushes the push rod of the medicine reservoir to move to the left, and the injection liquid in the outer cylinder is injected into the human body. In this way, the present device can realize automatic injection. By controlling the first motion component and the second motion component, the injection depth can be precisely controlled and the injection dosage can be precisely controlled. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] To more clearly illustrate the specific embodiments of the present invention or the technical solutions in the prior art, the following briefly describes the drawings required for the specific embodiments or the description of the prior art. Similar elements or parts are generally identified by similar reference numerals throughout the drawings. Elements or parts in the drawings are not necessarily drawn to scale.

[0021] FIG1 is a schematic diagram of the overall structure of the present invention;

[0022] FIG2 is a schematic diagram of the overall structure of the injection assembly of the present invention;

[0023] FIG3 is a schematic diagram of the overall internal structure of the shell of the injection assembly of the present invention;

[0024] FIG4 is a schematic diagram of the overall structure of the medicine storage device of the present invention;

[0025] FIG5 is a schematic diagram of the overall structure of the auxiliary positioning device of the present invention;

[0026] FIG6 is a cross-sectional view of the auxiliary positioning device of the present invention.

[0027] In the attached figure, 1-support table, 2-injection assembly, 3-connection device, 4-control console, 5-control switch,

[0028] 21- auxiliary positioning device, 22- housing, 23- medicine reservoir, 24- first motion component, 25- second motion component, 26- bubble sensor,

[0029] 211-fitting block, 212-middle hole, 213-annular cavity, 214-air hole, 215-negative pressure device connecting pipe,

[0030] 231-outer cylinder, 232-injection needle, 233-push rod,

[0031] 241-first motor, 242-first connecting rod, 243-first moving block, 244-first fixing bar, 245-first sliding block, 246-mounting block,

[0032] 251 - second motor, 252 - second connecting rod, 253 - second moving block, 254 - second fixing bar, 255 - second sliding block, 256 - pressure sensor. Modes for Carrying Out the Invention

[0033] The following embodiments of the technical solution of the present invention will be described in detail with reference to the accompanying drawings. The following embodiments are only used to more clearly illustrate the technical solution of the present invention and are therefore only examples and are not intended to limit the scope of protection of the present invention.

[0034] It should be noted that, unless otherwise specified, the technical or scientific terms used in this application should have the common meanings understood by those skilled in the art to which the present invention belongs. Example

[0035] As shown in Figures 1 to 6, this embodiment provides a pen-type fully automatic precision injection system, including a support platform 1, an injection component 2, a connecting device 3, a console 4 and a control switch 5. The console 4 is arranged on the support platform 1, and the injection component 2 is connected to the console 4 through the connecting device 3. The control switch 5 can control the injection component 2 through the console 4. The injection component 2 includes an auxiliary positioning device 21, a shell 22, a medicine reservoir 23, a first motion component 24 and a second motion component 25. The auxiliary positioning device 21 is connected to the left wall of the shell 22. The auxiliary positioning device 21 fits the human skin and can make the uneven skin tend to be planar. The medicine reservoir 23, the first motion component 24 and the second motion component 25 are all arranged in the shell 22. The first motion component 24 can drive the outer cylinder 231 of the medicine reservoir 23 to move left and right. The injection needle 232 of the medicine reservoir 23 can penetrate the shell 22 and the auxiliary positioning device 21 to penetrate the human skin. The second motion component can push the push rod 233 of the medicine reservoir 23 to move and push the injection liquid into the human body.

[0036] In this embodiment, the drug storage container 23 includes an outer cylinder 231 , an injection needle 232 is connected to the left end of the outer cylinder 231 , a piston is provided in the outer cylinder 231 , and a push rod 233 is connected to the right wall of the piston.

[0037] In this embodiment, a support platform 1 is provided, and a control console 4 is provided on the support platform 1. The control console 4 is connected to the injection assembly 2 through a connecting device 3, wherein the injection assembly 2 includes an auxiliary positioning device 21, an outer shell 22, a medicine reservoir 23, a first motion component 24 and a second motion component 25. The medicine reservoir 23, the first motion component 24 and the second motion component are all located in the outer shell 22. When injecting, the first motion component 24 starts to drive the outer cylinder 231 of the medicine reservoir 23 to move, and the outer cylinder 231 drives the injection needle 232 to move. The injection needle 232 passes through the auxiliary positioning device 21 and penetrates the human skin. During the movement of the outer cylinder 231, the second motion component 25 starts to move synchronously. After the injection needle 232 penetrates the human skin, the second motion component 25 continues to work. The second motion component 25 pushes the push rod 233 of the medicine reservoir 23 to move, and injects the injection liquid in the outer cylinder 231 into the human body. In this way, the present device can realize automatic injection. By controlling the first motion component 24 and the second motion component 25, the injection depth can be precisely controlled and the injection dose can be precisely controlled.

[0038] In this embodiment, program control is used to ensure that there is no liquid leakage.

[0039] In this embodiment, the housing 22 is configured to be openable, and the medicine reservoir 23 is detachably connected to the first moving component 24. After one injection, the medicine reservoir 23 can be removed and replaced. When the injection needle 232 is blocked, the injection needle 231 can be removed and replaced.

[0040] In this embodiment, the connection device 3 is not limited to using cables, and can also use Bluetooth, WiFi, infrared, etc.

[0041] In this embodiment, the power supply method of the injection assembly 2 is not limited to using a separate power supply, a console 4 power supply, a battery, etc.

[0042] In this embodiment, the control switch 5 is not limited to a foot switch, and a manual switch, an electromagnetic switch, a key and a button may also be used.

[0043] In this embodiment, the control switch 5 can be single-point triggered, multi-point triggered, unlimited triggered, etc.

[0044] In this embodiment, the first motion component 24 includes a first motor 241, a first connecting rod 242 and a first motion block 243. The output shaft of the first motor 241 is connected to the first connecting rod 242. The first connecting rod 242 passes through the first motion block 243 and is threadedly connected to the first motion block 243. The first motion block 243 is slidably arranged in the outer shell 22. The first motion block 243 is connected to the mounting block 246, and the mounting block 246 is connected to the outer cylinder 231 of the medicine storage container 23.

[0045] In this embodiment, the first motion component includes a first motor 241, a first connecting rod 242 and a first motion block 243. When in use, the first motor 241 is started to drive the first connecting rod 242 to rotate, and the first connecting rod 242 drives the first motion block 243 to move, thereby driving the mounting block 246 to move, and then driving the medicine reservoir 23 to move so that the injection needle penetrates into the human skin.

[0046] In this embodiment, a first fixing bar 244 is provided on the inner bottom wall of the housing 22. The bottom wall of the first moving block 243 is connected to the first sliding block 245. The first fixing bar 244 movably passes through the first sliding block 245. In this embodiment, the first fixing bar 244 and the first sliding block 245 cooperate to enable the first moving block 243 to be slidably disposed within the housing 22.

[0047] In this embodiment, the first motor 241 is not limited to a coil motor, and may also be a stepping motor, a pump, etc.

[0048] In this embodiment, the first motor 241 can also drive the first connecting rod 242 to rotate through a transmission mechanism such as a synchronous belt, a gear rack, etc.

[0049] In this embodiment, the drug storage device 23 is not limited to a syringe, and may also be a pre-filled device or the like.

[0050] In this embodiment, the second motion component 25 includes a second motor 251, a second connecting rod 252 and a second motion block 253. The output shaft of the second motor 251 is connected to the second connecting rod 252. The second connecting rod 252 passes through the second motion block 253 and is threadedly connected to the second motion block 253. The second motion block 253 is slidably arranged in the outer shell 22, and the left wall of the second motion block 253 is in contact with the push rod 233 of the medicine storage container 23.

[0051] In this embodiment, the second motion component 25 includes a second motor 251, a second connecting rod 252 and a second motion block 253. When the first motion component 24 moves, the second motor 251 starts synchronously to drive the second connecting rod 252 to rotate, and the second connecting rod 252 drives the second motion block 253 to move, so that the second motion block 253 is always in contact with the push rod 233 of the medicine reservoir 23. After the injection needle 232 penetrates the human body, the first motor 241 stops, the second motor 252 continues to move, and the second motion block 253 pushes the push rod 233 to the left to inject the injection liquid into the human skin. In this way, through the cooperation of the first motor 241 and the second motor 251, the penetration depth of the injection needle 232 and the injection dosage of the injection liquid can be accurately controlled.

[0052] In this embodiment, the second motor 251 is not limited to a coil motor, but may also be a stepping motor, a pump, etc.

[0053] In this embodiment, the second motor 251 can also drive the second connecting rod 252 to rotate through a transmission mechanism such as a synchronous belt, a gear rack, etc.

[0054] In this embodiment, a second fixing bar 254 is provided on the inner bottom wall of the housing 22. The bottom wall of the second moving block 253 is connected to the second sliding block 255. The second fixing bar 254 movably passes through the second sliding block 255. In this embodiment, the second fixing bar 254 and the second sliding block 255 cooperate to enable the second moving block 253 to be slidably disposed within the housing 22.

[0055] The auxiliary positioning device in this embodiment is a fitting block 211, which has a central hole 212, and an annular cavity 213 is provided in the fitting block 211. The left wall of the annular cavity 213 has multiple air holes 214, and the right wall of the annular cavity 213 is connected to a negative pressure device connecting pipe 215.

[0056] During specific use, first fit the fitting block 211 to the human skin, connect the negative pressure device to the negative pressure device connecting tube 215 to turn on the negative pressure, suck the skin flat through the annular cavity 213 and the air hole 214, and the injection needle 232 of the drug reservoir 23 passes through the middle hole 212 and penetrates into the skin, disconnect the negative pressure, and pull out the injection needle 232. In this way, the skin is sucked flat before the injection needle 232 penetrates the skin, which can ensure that the injection needle 232 penetrates the skin better and can achieve precise control of the penetration depth of the injection needle 232.

[0057] In this embodiment, the annular cavity 213 can be formed in an irregular shape such as a square, a cone, an ellipse, a five-pointed star, etc.

[0058] In this embodiment, the fitting block 211 is made of a flexible material. In this embodiment, the fitting block 211 is made of a flexible material, and the fitting block 211 can fit the human skin more closely.

[0059] In this embodiment, the injection assembly 2 is connected to the console 4 via a connecting device 3 , and the console 4 can control the operation of the first motor 241 and the second motor 242 .

[0060] In this example, the single injection dose is 0.05 ml, with a setting range of 0.01-0.1 ml and an injection dose accuracy of ±10%. The injection rate is 0.05 ml / s, with a setting range of 0.01-1 ml / s and an injection rate accuracy of ±10%. The needle penetration depth is 1 mm, with a setting range of 0.1-10 mm and an injection depth accuracy of ±10%. Injection mode: Continuous injection or single injection.

[0061] In this embodiment, the diameter of the shell 22 can be normally held by hand, and the weight cannot be too heavy, so that the hand will not feel sore after holding it for 20 minutes. The diameter of the holding part is less than 25mm, the maximum size of the shell 22 is less than 40mm*50mm, and the weight is less than 300g.

[0062] In this embodiment, a foot switch is provided below the support platform 1 to start the automatic injection.

[0063] In this embodiment, basic information such as the amount injected, the remaining amount, the number of injections, historical records, and the injection plan can be displayed on the console 4. WIFI / Bluetooth and wired connection are required, and the connecting wire needs to be light in weight for easy use.

[0064] In this embodiment, the injection assembly 2 is powered by the console 4 power supply.

[0065] In this embodiment, a pressure sensor 256 is provided on the second motion block 253. The pressure sensor 256 is capable of contacting the push rod 233 of the drug reservoir 23 and detecting the motion resistance of the second motion block 253. The pressure sensor 256 is provided in this embodiment to enable real-time monitoring of injection pressure and blockage monitoring.

[0066] In this embodiment, the pressure sensor is not limited to strain gauge, piezoresistive, capacitive, piezoelectric, or vibration frequency pressure sensors, but may also be photoelectric, optical fiber, or ultrasonic pressure sensors.

[0067] In this embodiment, a bubble sensor 26 is provided in the housing 22, and the bubble sensor 26 can detect bubbles in the front of the medicine reservoir 23. In this embodiment, the bubble sensor is provided to detect the automatic exhaust function.

[0068] In this embodiment, the bubble sensor is not limited to infrared bubble detection sensors, capacitive bubble detection sensors, ultrasonic bubble detection sensors, etc.

[0069] In this embodiment, the control switch 5 is in a single-point trigger mode to control the automatic injection.

[0070] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the above embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the above embodiments, or make equivalent replacements for some or all of the technical features therein. These modifications or replacements do not deviate the essence of the corresponding technical solutions from the scope of the technical solutions of the embodiments of the present invention, and they should all be included in the scope of the claims and description of the present invention.

Claims

1. A pen-type fully automatic precision injection system, characterized in that: The invention comprises a support platform (1), an injection assembly (2), a connecting device (3), a console (4) and a control switch (5), wherein the console (4) is arranged on the support platform (1), the injection assembly (2) is connected to the console (4) via the connecting device (3), the control switch (5) can control the injection assembly (2) via the console (4), the injection assembly (2) comprises an auxiliary positioning device (21), a shell (22), a drug storage container (23), a first motion component (24) and a second motion component (25), the auxiliary positioning device (21) is connected to the left wall of the shell (2 ... The auxiliary positioning device (21) is fitted to the human skin and can make the uneven skin tend to be flat. The medicine reservoir (23), the first motion component (24) and the second motion component (25) are all arranged in the shell (22). The first motion component (24) can drive the outer cylinder (231) of the medicine reservoir (23) to move left and right. The injection needle (232) of the medicine reservoir (23) can penetrate the shell (22) and the auxiliary positioning device (21) and penetrate into the human skin. The second motion component can push the push rod (233) of the medicine reservoir (23) to move and push the injection liquid into the human body.

2. A pen-type fully automatic precision injection system according to claim 1, characterized in that: The first motion assembly (24) includes a first motor (241), a first connecting rod (242) and a first motion block (243). The output shaft of the first motor (241) is connected to the first connecting rod (242). The first connecting rod (242) passes through the first motion block (243) and is threadedly connected to the first motion block (243). The first motion block (243) is slidably arranged in the housing (22). The first motion block (243) is connected to a mounting block (246). The mounting block (246) is connected to the outer cylinder (231) of the medicine storage container (23).

3. A pen-type fully automatic precision injection system according to claim 2, characterized in that: A first fixing strip (244) is provided on the inner bottom wall of the housing (22); the bottom wall of the first moving block (243) is connected to the first sliding block (245); and the first fixing strip (244) movably passes through the first sliding block (245).

4. The pen-type fully automatic precision injection system according to claim 1, characterized in that: The second motion assembly (25) includes a second motor (251), a second connecting rod (252) and a second motion block (253). The output shaft of the second motor (251) is connected to the second connecting rod (252). The second connecting rod (252) passes through the second motion block (253) and is threadedly connected to the second motion block (253). The second motion block (253) is slidably arranged in the housing (22). The left wall of the second motion block (253) contacts the push rod (233) of the medicine storage container (23).

5. The pen-type fully automatic precision injection system according to claim 4, characterized in that: A second fixing strip (254) is provided on the inner bottom wall of the housing (22), the bottom wall of the second moving block (253) is connected to the second sliding block (255), and the second fixing strip (254) movably passes through the second sliding block (255).

6. The pen-type fully automatic precision injection system according to claim 1, characterized in that: The auxiliary positioning device is a fitting block (211), wherein a central hole (212) is formed on the fitting block (211), an annular cavity (213) is provided in the fitting block (211), a plurality of air holes (214) are formed on the left wall of the annular cavity (213), and the annular cavity (213) is connected to a negative pressure device connecting pipe (215).

7. The pen-type fully automatic precision injection system according to claim 6, characterized in that: The fitting block (211) is made of flexible material.

8. The pen-type fully automatic precision injection system according to claim 4, characterized in that: A pressure sensor (256) is provided on the second motion block (253), and the pressure sensor (256) is capable of contacting the push rod (233) of the medicine storage device (23). The pressure sensor (256) is capable of detecting the motion resistance of the second motion block (253).

9. The pen-type fully automatic precision injection system according to claim 1, characterized in that: A bubble sensor (26) is provided in the housing (22), and the bubble sensor (26) is capable of detecting bubbles in the front portion of the medicine storage container (23).

10. The pen-type fully automatic precision injection system according to claim 1, characterized in that: The control switch (5) controls the injection assembly (2) by pedaling or manually.

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