An ultra-high-speed jet deep controllable drug delivery device

Abstract

The application discloses a kind of ultra-high-speed jet depth controllable drug delivery equipment, it is related to drug delivery technical field, including drug delivery mechanism, the one end of the drug delivery mechanism is provided with pressure head mechanism and spouts mechanism.The application is connected in the top of storage tank body by injection port, and it is convenient to inject medicine into the inside of storage tank body, then it is sealed by sealing cover screwing, it can provide the effect of output spouting by being connected in one end of storage tank body by output end head, it is convenient to control the amount of administration according to the demand of administration by being set on output end head by injection control valve, the mixed concentration of medicine can be detected by liquid concentration monitoring sensor, pressure monitoring sensor can monitor the pressure in the inside of storage tank body, it is convenient to work with air pressure pump and control valve, and it is connected on storage tank body by using output pipeline, it can cooperate with control air pressure according to the demand of administration depth, realize effective jet depth control.

Description

Technical Field

[0001] This invention relates to the field of drug delivery technology, specifically to a drug delivery device with controllable depth of ultra-high-speed jet. Background Technology

[0002] Drug delivery is a key research area in modern medicine, directly impacting drug bioavailability, efficacy, and patient experience. Traditional drug delivery methods include oral administration and intravenous injection. Needle-free injection technology, due to its advantages of "no needles, low pain, and low risk of infection," is increasingly widely used in clinical medicine. However, current technology still has many core shortcomings, making it difficult to meet the needs of precision medicine.

[0003] In the prior art, such as the patent application CN202510213029.6 entitled "An Ultra-High-Speed ​​Jet Drug Delivery Device," the following components are included: a jet parameter setting module for determining the direction and velocity of the jet according to drug delivery requirements; a high-energy current module for generating a high-energy current to instantly raise the temperature of a metal wire, driving the drug solution to form a high-speed fluid; a nozzle for converting the high-speed fluid into a jet according to the direction and velocity of the jet determined by the jet parameter setting module; a sensor module for real-time monitoring of the distribution of the drug solution in the body; and a precision delivery module for real-time control of the jet parameter setting module to adjust the direction and velocity of the jet according to the distribution of the drug solution in the body and the drug delivery requirements. This application employs electro-explosion technology to form a high-speed jet, providing powerful kinetic energy to effectively penetrate human tissue, achieving precise drug delivery to deep target areas, and combining this with sensors to ensure accurate delivery of the drug jet to deep tissues.

[0004] Existing drug delivery devices are limited by a single structural design, which can only achieve basic drug delivery functions during the drug administration process. It is difficult to accurately control the drug jet depth and injection dose. This functional limitation can easily lead to the drug not being able to act on the target tissue as needed, and it is also difficult to match the tissue characteristics and treatment needs of different patients. Ultimately, it significantly reduces the clinical drug administration effect and treatment accuracy. To address the above problems, a drug delivery device with controllable ultra-high-speed jet depth is proposed. Summary of the Invention

[0005] The purpose of this invention is to provide a drug delivery device with controllable ultra-high-speed jet depth, in order to solve the problem that the prior art mentioned above can only achieve basic drug delivery function during operation, and it is difficult to accurately control the drug jet depth and injection dose. This functional limitation can easily lead to the drug not being able to act on the target tissue as needed, and it is also difficult to match the tissue characteristics and treatment needs of different patients, ultimately significantly reducing the clinical drug delivery effect and treatment accuracy.

[0006] To achieve the above objectives, the present invention provides the following technical solution: a drug delivery device with controllable depth of ultra-high-speed jet, comprising a drug delivery mechanism, one end of which is provided with a pressure head mechanism and a jetting mechanism, the jetting mechanism being disposed inside the pressure head mechanism; the drug delivery mechanism includes an outer tube shell, the inner side of which is provided with a storage tank, one end of which is provided with an output end, one end of which is provided with a jetting control valve, the bottom of which is provided with a liquid concentration monitoring sensor and a pressure monitoring sensor; the other end of which is symmetrically provided with a splicing shell, the inner side of which is provided with a pneumatic pump, one end of which is provided with a control valve, the bottom of which is fixedly connected to an output pipe, the output pipe... One end is fixedly connected to one end of the storage tank. The outer casing provides installation space and protection, facilitating the installation of the storage tank inside the outer casing. The injection port is connected to the top of the storage tank for easy injection of drugs into the tank. The sealing cap is then tightened to seal the tank. The output end is connected to one end of the storage tank to provide an output spray function. A spray control valve is located on the output end to facilitate control of the dosage according to the drug administration requirements. A liquid concentration monitoring sensor can detect the drug mixture concentration, and a pressure monitoring sensor can monitor the pressure inside the storage tank, facilitating operation with a pneumatic pump and control valve. The output pipe is connected to the storage tank, allowing for control of the air pressure according to the required drug administration depth, thus achieving effective jet depth control.

[0007] A drive motor is installed at the other end of the storage tank. A transmission rod is installed at the output end of the drive motor. Several stirring blades are evenly distributed on the outer wall of the transmission rod. The drive motor is located at one end of the storage tank and connected to the transmission rod, which runs through the interior of the storage tank. The distribution of stirring blades provides a stirring function, which helps to provide a thorough mixing effect, ensures the uniformity of the drug, achieves full drug administration, and improves the therapeutic effect.

[0008] Preferably, the ejection mechanism includes a docking pipe, one end of which is fixedly connected to an ejector head. A positioning protrusion is fixedly installed on the outer side of the docking pipe. One end of the docking pipe is inserted and connected to the inner side of the output end. The ejector head at one end of the docking pipe facilitates the compression ejection function, and the positioning protrusion on the outer side of the docking pipe facilitates positioning when inserted and connected to the output end.

[0009] Preferably, the ejection mechanism further includes several fastening components. Each fastening component is fastened to the outside of the positioning protrusion ring. One end of each fastening component is rotatably connected to a rotating connecting seat. A first movable seat is provided at the top of one end of each fastening component. A diagonal support telescopic rod is connected to the first movable seat. A telescopic spring is sleeved on the outside of the diagonal support telescopic rod. One end of the diagonal support telescopic rod is connected to a second movable seat. A support block is fixedly installed on the side of the second movable seat. Support blocks are distributed on the outside of the output end. The diagonal support telescopic rod is connected to the second movable seat on the support block. The telescopic spring on the outside of the diagonal support telescopic rod facilitates elastic side support, and the first movable seat at one end of the diagonal support telescopic rod provides a rotatable connection.

[0010] Preferably, the outer side of the fastener is provided with a limiting protrusion, and a number of positioning protrusions are evenly and symmetrically distributed on the side of the positioning protrusion ring. One end of the fastener is snapped into the inner side of the positioning protrusion, and the fastener is rotated and connected with the rotating connecting seat to facilitate the fastening function and effectively improve the convenience of installation and disassembly.

[0011] Preferably, a limiting ring is sleeved on the outer side of the fastener, and the limiting ring is snapped onto the inner side of the limiting protrusion. By providing a limiting protrusion on the fastener and sleeved on the inner side of the limiting protrusion, it is beneficial to provide further limiting effect and improve stability.

[0012] Preferably, the pressure head mechanism includes a pressure head sleeve, one end of which is connected to a flexible rubber sleeve. Several damping telescopic rods are evenly distributed along the circumference of one end of the pressure head sleeve. Several damping telescopic rods and springs are distributed at one end of the pressure head sleeve, which can provide elastic support. This facilitates the squeezing action during injection, which helps to ensure the stability of the injection. At the same time, when not in use, it helps to cover the injection head, providing protection and improving the convenience of use.

[0013] Preferably, a spring is sleeved on the outer side of the damping telescopic rod, and an installation ring is connected to one end of the damping telescopic rod. The installation ring is installed at one end of the outer sleeve housing, and the pressure head sleeve is located on the outside of the ejection mechanism. A flexible rubber sleeve is provided at one end of the pressure head sleeve to wrap around the outside and is connected to the installation ring, which helps to provide a stable connection.

[0014] Preferably, the top of the storage tank is fixedly connected to an injection port, and a sealing cap is threadedly connected to the inner side of the injection port. The injection port extends through the top of the outer casing, and the storage tank is installed inside the outer casing. The injection port connected to the top of the storage tank facilitates the injection of drugs into the storage tank, which is then sealed by tightening the sealing cap.

[0015] Preferably, one end of the splicing shell is provided with an arc-shaped connector, and the other end of the outer tube shell is provided with an arc-shaped snap-fit ​​interface. The arc-shaped connectors are snapped into the inner side of the arc-shaped snap-fit ​​interface. The other end of the splicing shell is threaded with a sealing cap. The splicing shell is located at one end of the outer tube shell and is mated and snapped together with the arc-shaped connectors and arc-shaped snap-fit ​​interfaces. The sealing cap being located at one end of the splicing shell helps to provide a stable installation.

[0016] Preferably, the outer wall of the splicing shell has a plurality of anti-slip protrusions, and the outer wall of the outer tube shell has a plurality of anti-slip strips evenly distributed. The anti-slip protrusions and anti-slip strips respectively provided on the outer side of the splicing shell and the outer tube shell are conducive to providing anti-slip function during use and improving stability during use.

[0017] Compared with the prior art, the beneficial effects of the present invention are:

[0018] 1. In this invention, the outer casing provides external installation space and protection, facilitating the installation of the storage tank inside the outer casing. The injection port connected to the top of the storage tank facilitates the injection of medication into the tank, followed by a sealed cap. An output end connected to one end of the storage tank provides an output spray function. A spray control valve on the output end allows for dosage control based on administration requirements. A liquid concentration monitoring sensor detects the drug mixture concentration, and a pressure monitoring sensor monitors the internal pressure of the storage tank, facilitating operation in conjunction with a pneumatic pump and control valve. The output pipe connected to the storage tank allows for pressure control based on the required injection depth, achieving effective jet depth control. A drive motor located at one end of the storage tank and connected to a transmission rod extending through the tank's interior, with distributed stirring blades, provides stirring, ensuring thorough mixing, uniform drug distribution, and improved therapeutic efficacy. The splicing shell is located at one end of the outer tube shell and is fitted with an arc-shaped connector and an arc-shaped snap-fit ​​interface for secure mounting. The encapsulation cap at one end of the splicing shell further enhances stability during installation. Anti-slip protrusions and strips on the outer sides of both the splicing shell and the outer tube shell provide anti-slip properties during use, improving stability.

[0019] 2. In this invention, a connecting pipe is inserted and connected to the inner side of the output end. One end of the connecting pipe is equipped with a nozzle for compressed ejection. A positioning protrusion on the outer side of the connecting pipe facilitates positioning during insertion and connection to the output end. Support blocks are distributed on the outer side of the output end. A second movable seat on the support block connects to a diagonal brace telescopic rod. A telescopic spring on the outer side of the diagonal brace telescopic rod provides elastic lateral support, and one end of the diagonal brace telescopic rod has a first movable seat for rotatable connection. A fastening component, in conjunction with the rotatable connecting seat, facilitates a locking mechanism, effectively improving the ease of installation and disassembly. A limiting protrusion on the fastening component, with a limiting ring fitted inside the limiting protrusion, further limits positioning and improves stability.

[0020] 3. In this invention, the pressure head sleeve is located on the outside of the ejection mechanism. A flexible rubber sleeve is provided at one end of the pressure head sleeve to wrap around the outside and is connected to an mounting ring, which helps to provide a stable connection. Several damping telescopic rods and springs are distributed at one end of the pressure head sleeve, which can provide elastic support. This facilitates the squeezing action during injection, which helps to ensure the stability of the injection. At the same time, when not in use, it helps to cover the spray head and provide protection, thus improving the convenience of use. Attached Figure Description

[0021] Figure 1 This is a three-dimensional structural diagram of a drug delivery device with controllable ultra-high-speed jet depth according to the present invention;

[0022] Figure 2 This is a three-dimensional structural diagram of a drug delivery device with controllable ultra-high-speed jet depth according to the present invention from another angle;

[0023] Figure 3 This is a cross-sectional structural schematic diagram of a drug delivery device with controllable ultra-high-speed jet depth according to the present invention;

[0024] Figure 4 For the present invention Figure 3 Enlarged structural diagram at point A in the diagram;

[0025] Figure 5 This is an exploded view of the ejection mechanism of a drug delivery device with controllable ultra-high-speed jet depth according to the present invention.

[0026] Figure 6 For the present invention Figure 5 Enlarged structural diagram at point B in the diagram;

[0027] Figure 7 This is a schematic diagram of the internal exploded structure of a drug delivery device with controllable ultra-high-speed jet depth according to the present invention;

[0028] Figure 8 For the present invention Figure 7 A magnified structural diagram at point C in the diagram.

[0029] In the picture:

[0030] 1. Drug delivery mechanism; 101. Outer casing; 102. Storage tank; 103. Inlet; 104. Output end; 105. Injection control valve; 106. Liquid concentration monitoring sensor; 107. Pressure monitoring sensor; 108. Drive motor; 109. Transmission rod; 110. Stirring blade; 111. Splicing shell; 112. Arc-shaped connector; 113. Arc-shaped snap-fit ​​interface; 114. Air pump; 115. Control valve; 116. Output pipe; 117. Sealing cap; 118. Anti-slip convex ring; 11 9. Anti-slip strip; 2. Pressure head mechanism; 201. Pressure head sleeve; 202. Flexible rubber sleeve; 203. Damping telescopic rod; 204. Spring component; 205. Mounting ring; 3. Spraying mechanism; 301. Fastener; 302. Limiting protrusion; 303. Rotating connecting seat; 304. First movable seat; 305. Diagonal bracing telescopic rod; 306. Telescopic spring; 307. Second movable seat; 308. Support block; 309. Connecting pipe; 310. Positioning protrusion ring; 311. Positioning protrusion; 312. Spray head; 313. Limiting ring. Detailed Implementation

[0031] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0032] Example 1: As Figures 1-8As shown, the present invention provides a technical solution: a drug delivery device with controllable depth of ultra-high speed jet, including a drug delivery mechanism 1. One end of the drug delivery mechanism 1 is provided with a pressure head mechanism 2 and a spray mechanism 3. The spray mechanism 3 is located inside the pressure head mechanism 2. The drug delivery mechanism 1 includes an outer tube shell 101. A storage tank 102 is provided inside the outer tube shell 101. One end of the storage tank 102 is provided with an output end 104. One end of the output end 104 is provided with a spray control valve 105. A liquid concentration monitoring sensor 106 and a pressure monitoring sensor 107 are provided at the bottom of the spray control valve 105. A splicing shell 111 is symmetrically provided at the other end of the outer tube shell 101. A pneumatic pump 114 is provided inside the splicing shell 111. A control valve 115 is provided at one end of the pneumatic pump 114. An output pipe 116 is fixedly connected to the bottom of the control valve 115. One end of the output pipe 116 is fixedly connected to one end of the storage tank 102.

[0033] A drive motor 108 is provided at the other end of the storage tank 102. A transmission rod 109 is provided at the output end of the drive motor 108. Several stirring blades 110 are evenly distributed on the outer wall of the transmission rod 109. An injection port 103 is fixedly connected to the top of the storage tank 102. A sealing cap is threadedly connected to the inner side of the injection port 103. The injection port 103 passes through the top of the outer tube shell 101. An arc-shaped connector 112 is provided at one end of the splicing shell 111. An arc-shaped locking interface 113 is provided at the other end of the outer tube shell 101. The arc-shaped connectors 112 are all locked into the inner side of the arc-shaped locking interface 113. A sealing cap 117 is threadedly connected to the other end of the splicing shell 111. Several anti-slip protrusions 118 are distributed on the outer wall of the splicing shell 111. Several anti-slip strips 119 are evenly distributed on the outer wall of the outer tube shell 101.

[0034] In this embodiment, the outer casing 101 provides external installation space and protection, facilitating the installation of the storage tank 102 inside the outer casing 101. The injection port 103 connects to the top of the storage tank 102, facilitating the injection of medication into the storage tank 102. The tank is then sealed by tightening the sealing cap. The output end 104 connects to one end of the storage tank 102, providing an output spray function. A spray control valve 105 is installed on the output end 104, allowing for control of the dosage according to medication needs. A liquid concentration monitoring sensor 106 detects the drug mixture concentration, and a pressure monitoring sensor 107 monitors the internal pressure of the storage tank 102, facilitating operation in conjunction with the air pump 114 and control valve 115. The output pipe 116 connects to the storage tank 102, allowing for control of the air pressure according to the required medication depth, achieving effective jet depth control. A drive motor 108 is located at one end of the storage tank 102 and connected to a transmission rod 109. The transmission rod 109 passes through the interior of the storage tank 102 and is equipped with stirring blades 110 to provide stirring, which helps to ensure thorough mixing, uniformity of the medicine, and adequate drug administration, thereby improving the therapeutic effect. A splicing shell 111 is located at one end of the outer casing 101 and is fitted with an arc-shaped connector 112 and an arc-shaped snap-fit ​​interface 113. A sealing cap 117 is located at one end of the splicing shell 111 to provide stable installation. Anti-slip protrusions 118 and anti-slip strips 119 are respectively located on the outer sides of the splicing shell 111 and the outer casing 101 to provide anti-slip properties during use, improving stability.

[0035] Example 2: As Figure 5 and Figure 6As shown, the ejection mechanism 3 includes a docking pipe 309, one end of which is fixedly connected to an ejector head 312. A positioning protrusion ring 310 is fixedly installed on the outer side of the docking pipe 309. One end of the docking pipe 309 is inserted into the inner side of the output end 104. The ejection mechanism 3 also includes several fastening components 301. The fastening components 301 are fastened to the outer side of the positioning protrusion ring 310. One end of the fastening component 301 is rotatably connected to a rotating connecting seat 303. A first movable seat 304 is provided on the top of one end of the fastening component 301. An inclined brace is connected to the first movable seat 304. The telescopic rod 305 has a telescopic spring 306 sleeved on its outer side. One end of the telescopic rod 305 is connected to a second movable seat 307. A support block 308 is fixedly installed on the side of the second movable seat 307. A limiting protrusion 302 is provided on the outer side of the fastener 301. Several positioning protrusions 311 are evenly and symmetrically distributed on the side of the positioning protrusion ring 310. One end of the fastener 301 is snapped into the inner side of the positioning protrusion 311. A limiting ring 313 is sleeved on the outer side of the fastener 301 and snapped into the inner side of the limiting protrusion 302.

[0036] In this embodiment, the docking pipe 309 is inserted and connected to the inner side of the output end 104. A nozzle 312 is provided at one end of the docking pipe 309 to facilitate compressed ejection. A positioning protrusion 310 is provided on the outer side of the docking pipe 309 to facilitate positioning when inserted and connected to the output end 104. Support blocks 308 are distributed on the outer side of the output end 104. A second movable seat 307 is provided on the support block 308 to connect to a diagonal support telescopic rod 305. A telescopic spring 306 is provided on the outer side of the diagonal support telescopic rod 305 to provide elastic side support. A first movable seat 304 is provided at one end of the diagonal support telescopic rod 305 to provide a rotatable connection. A fastening member 301 is used in conjunction with a rotatable connecting seat 303 for rotatable connection, facilitating fastening and effectively improving the convenience of installation and disassembly. The fastener 301 has a limiting protrusion 302, and the limiting ring 313 is sleeved on the inner side of the limiting protrusion 302, which helps to provide further limiting and improve stability.

[0037] Example 3: As Figures 1-4 As shown, the pressure head mechanism 2 includes a pressure head sleeve 201. One end of the pressure head sleeve 201 is connected to a flexible rubber sleeve 202. Several damping telescopic rods 203 are evenly distributed along the circumference of one end of the pressure head sleeve 201. A spring member 204 is sleeved on the outside of the damping telescopic rod 203. One end of the damping telescopic rod 203 is connected to an installation ring 205. The installation ring 205 is installed at one end of the outer sleeve housing 101.

[0038] In this embodiment, the pressure head sleeve 201 is located on the outside of the ejection mechanism 3. A flexible rubber sleeve 202 is provided at one end of the pressure head sleeve 201 to wrap around the outside and is connected to the mounting ring 205, which helps to provide a stable connection. Several damping telescopic rods 203 and springs 204 are distributed at one end of the pressure head sleeve 201, which can provide elastic support. This facilitates the squeezing action during injection, which helps to ensure the stability of the injection. At the same time, when not in use, it helps to cover the spray head and provide protection, thus improving the convenience of use.

[0039] In this invention, the ultra-high-speed jet depth controllable drug delivery device first provides installation space and protection through the outer casing 101, facilitating the installation of the storage tank 102 inside the outer casing 101. The injection port 103 connects to the top of the storage tank 102, facilitating drug injection into the storage tank 102. The device is then sealed by tightening the sealing cap. An output end 104 connects to one end of the storage tank 102, providing an output spray function. A spray control valve 105 is installed on the output end 104 to control the dosage according to drug administration requirements. A liquid concentration monitoring sensor 106 detects the drug mixture concentration, and a pressure monitoring sensor 107 monitors the pressure inside the storage tank 102, facilitating operation in conjunction with the air pump 114 and control valve 115. The output pipe 116 connects to the storage tank 102, allowing for control of the air pressure according to the required drug administration depth, thus achieving effective jet depth control. A drive motor 108 is located at one end of the storage tank 102 and connected to a transmission rod 109. The transmission rod 109 passes through the interior of the storage tank 102 and is equipped with stirring blades 110 to provide stirring, which helps to ensure thorough mixing, uniformity of the medicine, and adequate drug administration, thereby improving the therapeutic effect. A splicing shell 111 is located at one end of the outer casing 101 and is fitted with an arc-shaped connector 112 and an arc-shaped snap-fit ​​interface 113. A sealing cap 117 is located at one end of the splicing shell 111 to provide stable installation. Anti-slip protrusions 118 and anti-slip strips 119 are respectively located on the outer sides of the splicing shell 111 and the outer casing 101 to provide anti-slip properties during use, improving stability. By inserting the connecting pipe 309 into the inner side of the output end 104, a nozzle 312 is provided at one end of the connecting pipe 309 to facilitate compressed spraying. A positioning protrusion 310 is provided on the outer side of the connecting pipe 309 to facilitate positioning when inserted into the output end 104. Support blocks 308 are distributed on the outer side of the output end 104. A second movable seat 307 is provided on the support block 308 to connect the inclined support telescopic rod 305. A telescopic spring 306 is provided on the outer side of the inclined support telescopic rod 305 to facilitate elastic side support. A first movable seat 304 is provided at one end of the inclined support telescopic rod 305 to provide a rotatable connection. The fastener 301 is used in conjunction with the rotatable connecting seat 303 for rotatable connection, facilitating fastening and effectively improving the convenience of installation and disassembly. The fastener 301 has a limiting protrusion 302, and the limiting ring 313 is sleeved on the inner side of the limiting protrusion 302, which helps to provide further limiting and improve stability.The pressure head sleeve 201 is located on the outside of the ejection mechanism 3. A flexible rubber sleeve 202 is provided at one end of the pressure head sleeve 201 to wrap around the outside and is connected to the mounting ring 205, which helps to provide a stable connection. Several damping telescopic rods 203 and springs 204 are distributed at one end of the pressure head sleeve 201, which can provide elastic support and facilitate squeezing during injection to ensure injection stability. At the same time, when not in use, it can cover the spray head to provide protection and improve the convenience of use.

[0040] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A drug delivery device with controllable depth of ultra-high-speed jet, comprising a drug delivery mechanism (1), characterized in that: The drug delivery mechanism (1) is provided with a pressure head mechanism (2) and a spray mechanism (3) at one end. The spray mechanism (3) is located inside the pressure head mechanism (2). The drug delivery mechanism (1) includes an outer tube housing (101). A storage tank (102) is provided inside the outer tube housing (101). An output end (104) is provided at one end of the storage tank (102). A spray control valve (105) is provided at one end of the output end (104). A liquid concentration monitoring sensor (106) and a pressure monitoring sensor (107) are provided at the bottom of the outer casing (101). A splicing casing (111) is symmetrically provided at the other end of the outer casing (101). A pneumatic pump (114) is provided on the inner side of the splicing casing (111). A control valve (115) is provided at one end of the pneumatic pump (114). An output pipe (116) is fixedly connected to the bottom of the control valve (115). One end of the output pipe (116) is fixedly connected to one end of the storage tank (102). The storage tank (102) is provided with a drive motor (108) at the other end, and a transmission rod (109) is provided at the output end of the drive motor (108). A number of stirring blades (110) are evenly distributed on the outer wall of the transmission rod (109). The ejection mechanism (3) includes a docking pipe (309), one end of which is fixedly connected to an ejector head (312), a positioning protrusion ring (310) is fixedly installed on the outside of the docking pipe (309), and one end of the docking pipe (309) is inserted into the inside of the output end (104). The ejection mechanism (3) also includes several fastening parts (301). The fastening parts (301) are fastened to the outside of the positioning protrusion ring (310). One end of the fastening part (301) is rotatably connected to a rotating connecting seat (303). A first movable seat (304) is provided at the top of one end of the fastening part (301). A diagonal support telescopic rod (305) is connected to the first movable seat (304). A telescopic spring (306) is sleeved on the outside of the diagonal support telescopic rod (305). One end of the diagonal support telescopic rod (305) is connected to a second movable seat (307). A support block (308) is fixedly installed on the side of the second movable seat (307). The fastener (301) has a limiting protrusion (302) on its outer side, and a number of positioning protrusions (311) are evenly and symmetrically distributed on the side of the positioning protrusion ring (310). One end of the fastener (301) is snapped into the inner side of the positioning protrusion (311). The outer side of the fastener (301) is fitted with a limiting ring (313), which is snapped onto the inner side of the limiting protrusion (302).

2. The drug delivery device with controllable ultra-high-speed jet depth according to claim 1, characterized in that: The pressure head mechanism (2) includes a pressure head sleeve (201), one end of which is connected to a flexible rubber sleeve (202), and a plurality of damping telescopic rods (203) are evenly distributed along the circumferential direction at one end of the pressure head sleeve (201).

3. The ultra-high-speed jet depth-controllable drug delivery device according to claim 2, characterized in that: A spring (204) is sleeved on the outside of the damping telescopic rod (203), and an installation ring (205) is connected to one end of the damping telescopic rod (203). The installation ring (205) is installed on one end of the outer tube housing (101).

4. The drug delivery device with controllable ultra-high-speed jet depth according to claim 1, characterized in that: The top of the storage tank (102) is fixedly connected to an injection port (103), and the inner side of the injection port (103) is threaded with a sealing cap. The injection port (103) extends through the top of the outer casing (101).

5. The ultra-high-speed jet depth-controllable drug delivery device according to claim 4, characterized in that: One end of the splicing shell (111) is provided with an arc-shaped connector (112), and the other end of the outer tube shell (101) is provided with an arc-shaped locking interface (113). The arc-shaped connector (112) is locked inside the arc-shaped locking interface (113), and the other end of the splicing shell (111) is threaded with a sealing cap (117).

6. The drug delivery device with controllable depth of ultra-high-speed jet according to claim 5, characterized in that: The outer wall of the spliced ​​shell (111) is provided with a number of anti-slip protrusions (118), and the outer wall of the outer sleeve shell (101) is provided with a number of anti-slip strips (119).

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