179 results about "Hyperbaric pressure" patented technology

Embodiments of the present disclosure provides a respiratory ventilation apparatus including: a main body configured to generate a high pressure gas above atmospheric pressure. The main body may include a noise reduction device, the noise reduction device being configured to reduce a noise generated during an operation of the main body. The noise reduction device may include a gas inlet structure, a noise reduction housing, a blower cavity, and a gas channel. A gas may enter the gas channel through the gas inlet structure. The gas channel may be formed between a sidewall of the noise reduction housing and a sidewall of the blower cavity, and the gas channel may be configured to transfer the gas. The blower cavity may be disposed with at least one cavity gas inlet along a gasflow direction. The gas in the gas channel may enters the blower cavity through the cavity gas inlet.

The invention discloses a high-pressure injection system and method. The high-pressure injection system comprises an equipment body, an injection propelling device, a needle cylinder pipeline suite, a medicine bottle replacing device, a bubble induction sensor, a gravity sensor, a pressure sensor and a control system, wherein the injection propelling device, the needle cylinder pipeline suite, the medicine bottle replacing device, the bubble induction sensor, the gravity sensor and the pressure sensor are installed on the equipment body; wherein the medicine bottle replacing device is used for containing and automatically replacing medicine bottles; the needle cylinder pipeline suite is communicated with the needle cylinder pipeline suite through a puncture outfit, and can selectively suck liquid medicine and continuously inject multiple patients; the injection propulsion device drives a needle cylinder piston to realize precise injection; the bubble induction sensor, the gravity sensor and the pressure sensor are respectively used for monitoring pipeline bubbles, medicine bottle weight and needle cylinder pressure in real time; the control system coordinates all the components, and full-automatic execution of medicine bottle replacement, medicine liquid extraction, pipeline exhaust and injection control operation is achieved. Full automation of the injection preparation process is achieved, the radiography examination efficiency is remarkably improved, the labor intensity of medical workers is reduced, and the safety and accuracy of the injection process are ensured.

The invention relates to the field of medical auxiliary instruments, in particular to an automatic debridement waste collecting and nursing device in operating room nursing, which comprises a collecting pipe, the collecting pipe is communicated with a collecting head, and a pressure cavity is embedded in the edge of the collecting head; the pressure cavity communicates with a transmission mechanism used for transmitting power, the transmission mechanism is connected with a high-pressure power source, and the transmission mechanism is provided with a power output end and a trigger end. The separating mechanism is used for carrying out solid-liquid separation on waste; the cleaning mechanism is used for conveying cleaning liquid to the collecting head; the power output end is in transmission connection with the collecting head, and the power output end is used for extruding the collecting head to achieve sealing when the pressure cavity is pressed. When the pressure cavity is pressed to a preset stroke, the trigger end triggers the high-pressure power source to release power so as to drive the separation mechanism and the cleaning mechanism to operate, and solid-liquid separation and collection and runner cleaning are achieved. The debridement device is used for achieving debridement integrated operation; operation interruption is reduced, and labor intensity of nursing staff is reduced.

The present application relates to the technical field of shallow and thin layer heavy oil exploitation, and particularly relates to a device and method for developing shallow and thin layer super heavy oil by using aerosol. The technical scheme is as follows: the atomization reactor is installed on the base through the atomization reactor support and is connected with the nitrogen gas pump truck through the nitrogen gas inlet; the other end of the atomization reactor is connected with the flow disturber, and the upper side of the atomization reactor is provided with a plurality of high-pressure atomization nozzles; the medicine injection metering pump is connected with the bottom of the medicine storage tank through the medicine low-pressure pipeline filter, the high-pressure pipeline of the medicine injection metering pump is connected with the high-pressure medicine bag type storage tank through the pressure maintaining overflow valve, and then is connected with the high-pressure atomization nozzles on the upper side of the atomization reactor through the gas-liquid separator. The present application improves the seepage field, reconstructs the pressure field by using nitrogen gas, and supplements the temperature field by using steam, and is a three-stage slug type process method, which can effectively exploit the shallow and thin layer super heavy oil reservoir, synergistically reduces the steam consumption with the steam huff and puff, and reduces the carbon emission by 20%-30%.

This invention discloses a portable dual-purpose drowning prevention and rescue device, relating to the field of rescue devices. It solves the problem that existing portable dual-purpose drowning prevention and rescue devices are difficult to stabilize and float the head during use, resulting in inconvenience and inefficiency. The device includes a fixing mechanism, a rescue mechanism, and two sets of arc-shaped tubes. The fixing mechanism includes shoulder pads, fixing components, and connecting components. The rescue mechanism includes an inflatable bladder and a storage tube. The invention uses the fixing mechanism to connect the two sets of arc-shaped tubes into a ring structure that fits around the neck. The fixing components then secure the shoulder pads to the shoulders, preventing the overall structure from loosening. The rescue mechanism controls the inflation and deflation of the high-pressure gas in the storage tube, allowing the inflatable bladder to inflate as needed, floating the head on both sides and ensuring the head remains stable above the water surface, thus improving rescue efficiency. The overall structure is compact, easy to wear and use, and relatively stable after fixing.

The utility model discloses a portable electric sputum aspirator, which relates to the technical field of sputum aspirators, and comprises a handle, a negative pressure pump, an air pipe and a suction pipe, the negative pressure pump is arranged in the handle, a switch for controlling the negative pressure pump is arranged on the handle, the output end of the negative pressure pump is connected with the air pipe, the portable electric sputum aspirator further comprises a middle cylinder, a partition plate is arranged in the center of the middle cylinder, and the suction pipe is arranged in the middle cylinder. The partition plate divides the middle cylinder into a left cavity and a right cavity which are an auxiliary cavity and a collecting cavity respectively. By arranging the auxiliary cavity and the collecting cavity, the auxiliary cavity and the collecting cavity are isolated through the filter screen, gas enters the auxiliary cavity through the through groove and then is discharged to the outside, sputum directly falls into the collecting barrel, and backflow of the sputum is effectively prevented; the piston block and the spring are arranged in the auxiliary cavity, when the sputum suction cannula is blocked, suction force of the negative pressure pump drives the piston block to move upwards to form a buffer space, mucous membrane damage caused by continuous high pressure is avoided, medical staff can instantly release negative pressure impact force by pulling down the piston rod, blocked sticky sputum can be quickly dredged, and the sputum cleaning effect is improved.

This invention provides an automated filling device integrating extinguishing agent and high-pressure gas filling functions, relating to the field of fire extinguishing device manufacturing, and particularly to a filling device and method for extinguishing agents and high-pressure gas. The device includes a ball screw stepper motor, a liquid collection chamber, a four-way valve, an operating lever, one-way valve 1, one-way valve 2, and one-way valve 3. The filling device uses a ball screw stepper motor to drive a liquid-pushing piston, controlling the filling amount of extinguishing agent by precisely controlling the piston stroke. The "operating lever + piston groove" design of the filling device integrates the pre-installation, positioning, and final tightening of the seals within the device. The filling device integrates the three key steps of extinguishing agent filling, high-pressure gas pressurization, and bottle mouth seal installation into one device, and achieves function switching through a core component, the four-way valve.

The invention discloses a negative pressure suction sheath capable of monitoring high pressure in a renal pelvis, and relates to the technical field of medical instruments, the negative pressure suction sheath comprises a sheath tube body, the end part of the sheath tube body is communicated with a sheath tube joint, and the sheath tube joint comprises a negative pressure joint, an instrument channel, a pressure release valve and a pressure measuring interface; the sheath tube body comprises a pressure measuring channel, a pressure measuring hole and a negative pressure suction channel. Through an independent pressure measuring channel composed of the pressure measuring connector, the pressure measuring channel and the pressure measuring hole, the pressure measuring connector, the pressure measuring channel and the pressure measuring hole are matched with a pressure release valve overflow monitoring mode or an external pressure sensor mode, the pressure change in the renal pelvis is captured in real time, when the pressure is close to or reaches a safety threshold value, medical staff can adjust the perfusion flow and the negative pressure parameter in time, and the operation is convenient. Medical accidents such as renal pelvis tissue swelling and necrosis caused by too high pressure are effectively avoided, so that the pressure in the renal pelvis is maintained within a safe range, the safety of an operation is greatly improved, the stone removing efficiency is improved, and the operation time is shortened.

This utility model relates to the field of cleaning equipment technology, and in particular to a high-pressure cleaning device. Its technical solution includes: a base, on which a bracket and a push rod are mounted; a water pump is installed on the side of the base opposite to the push rod; a turbine is installed at the end of the water pump; an inlet pipe is provided on the turbine; the inlet pipe is connected to the bottom of a reagent box inside a reagent tank via a medicine inlet pipe and a conduit; the negative pressure generated by the turbine's rotation automatically draws the reagent from the reagent box into the inlet pipe; an outlet connector is installed at the output end of the turbine; a pressure relief port and a pressure gauge are sequentially arranged between the turbine and the outlet connector; and pulleys are installed at the bottom of the base. This utility model features flexible movement and stable operation thanks to braked casters; a detachable medicine inlet pipe and modular reagent storage facilitate reagent replacement; and a quick-change outlet connector improves nozzle replacement efficiency and equipment versatility.

The present invention relates to a portable fill-type air respirator equipped with a combination fill and multi-stage decompression structure, the emergency air respirator providing air containing oxygen to a patient in case of a fire evacuation or emergency. Specifically, without a separate decompression structure, air is rapidly supplied using a built-in decompression valve, compressed air is refilled through a filling port, and high-pressure compressed air is decompressed in multiple stages so that, at the point of discharge, as decompression has taken place multiple times in a decompression section as well as in a discharge channel, the air is discharged in a state that is comfortable for a user to breathe in. Therefore, the present invention ensures reduction in size and portability by filling a high-pressure container with high-pressure air, and supplies high-pressure air to a user at a stable pressure via multi-stage decompression.

The application discloses an anti-seepage and anti-explosion automatic control pressure high-pressure injector device and belongs to the field of image contrast diagnosis and treatment equipment. The device comprises a driving pushing unit and an injection cylinder. A hose is connected to the discharge end of the injection cylinder through a joint. A first pressure sensor, a second pressure sensor and a buffer are sequentially installed on the hose. The first pressure sensor is close to the discharge end of the injection cylinder. The buffer is arranged downstream of the second pressure sensor. A movable block in the buffer can divide a liquid channel of the connected hose and a volume-adjustable exchange chamber. The driving pushing unit is transmissionally connected to an injection plug in the injection cylinder and is electrically connected to a control box receiving signals of the two sensors. The application can compare and distinguish two types of faults, i.e. blockage and overload in the cylinder and blockage of the distal pipeline, by means of the double sensors, so that the control system can be stopped in advance for protection, the defects of lagging and poor fault tolerance of single pressure detection and identification can be made up, medical risks such as extravasation of contrast medium, pipeline burst and blood vessel injury can be reduced, the injection pressure is stable and controllable, and medical staff need not to be on duty for a long time.

The hyperbaric chamber 1 has six planar prefabricated panels 2-7 forming a rectangular cuboid. The panels may be preformed in a factory for assembly on site and may be flat and rectangular for transport into existing buildings. The panels may be sized to pass through standard doorways found in health care facilities. Each panel may be a composite of two carbon fibre layers sandwiching a core layer. The core layer may have greater bending stiffness than the carbon fibre layers and may have a layer of polyethylene terephthalate or foam. Each panel may have a peripheral flange 11 at a 45 degree angle to the panel that may have holes 12 for fastenings 13. Each panel may have carbon fibre piles, the number of which increases at or towards the flange from a central area. A metal corner triplet plate may reinforce the flanges at corners. The panels may be square and form a cube.

The utility model belongs to the technical field of medical equipment, and particularly relates to pressurizing atomization equipment which comprises an elastic braided hose used for being connected with a spray head and a peristaltic pump used for increasing the pressure of liquid in the elastic braided hose, and the pressure resistance value of the elastic braided hose does not exceed 2.07 MPa. Compared with an existing high-pressure atomization treatment mode, the high-pressure atomization treatment device is more suitable for carrying out atomization treatment on conventional general tumors, higher in safety, lower in requirement for consumables and beneficial to saving cost.

The utility model relates to the technical field of breathing instruments, in particular to a variable-flow valve terminal structure which comprises a valve terminal valve body, a high-pressure medium channel is formed in the valve terminal valve body in the length direction, and the valve terminal valve body is provided with a plurality of first air channels communicated with the high-pressure medium channel. L-shaped second air channels corresponding to the first air channels are formed in the valve terminal valve body, and electromagnetic valves are arranged at the corresponding ends of the first air channels and the second air channels. A high-pressure medium inlet is formed in one end of the high-pressure medium channel, and a high-pressure monitoring port is formed in the other end of the high-pressure medium channel; a connector is arranged at the end, away from the electromagnetic valve, of the second air channel and connected with an air outlet pipeline, and a resistance piece is arranged at the end, away from the connector, of the air outlet pipeline and used for adjusting the air flow. According to the valve terminal structure, precise control over small-flow gas is achieved, and the convenience of installation of the valve terminal structure is improved.

A valve and multi-vessel evacuation system are provided that allow for evacuating each vessel of a high-pressure vessel array upon activation of a single pressure release device (PRD). Each vessel is fluidly coupled to a respective inlet of the valve and to a respective PRD. Each of the PRDs is fluidly coupled to a secondary inlet of the valve. During normal operation, the valve blocks fluid communication between the vessels and their respective vent lines, and the PRDs block fluid communication between the vessels and the secondary inlet of the valve. When at least one of the PRDs is triggered, pressurized fluid passes through the triggered PRD and flows to the secondary inlet of the valve, at which point the pressurized fluid actuates the valve. With the valve actuated, pressurized fluid from each of the vessels can evacuate to atmosphere through the valve and corresponding vent lines.

The invention discloses a double-bottle intravenous infusion system with an adjustable mechanical constant flow valve, which comprises a compressed air power unit, a mechanical constant flow adjustable valve and an air pressure driving infusion unit, and realizes passive constant-speed infusion through a pure mechanical structure. The compressed air power unit provides an independent high-pressure air source, the mechanical constant-flow adjustable valve is of a three-level structure of pressure reduction and stabilization, laminar flow stabilization and pressure compensation feedback, fluctuation air pressure is converted into constant air flow, and the air pressure driving liquid conveying unit achieves constant-speed liquid output with gas-liquid isolation through a double-layer bottle body structure. And mechanical blockage alarm and overvoltage protection are built in. The device does not need electric power, is high in flow velocity precision, high in stability, free of pollution risk due to gas-liquid isolation, high in system integration degree, portable and long-acting, can support several-hour infusion through single inflation, is suitable for non-electric or non-electric medical scenes such as battlefield first aid, disaster rescue and MRI rooms, and can also be extensively applied to the fields of wound flushing, contrast agent injection and the like.

The present invention relates to a pharmaceutical composition for preventing or treating pulmonary arterial hypertension, comprising a compound represented by formula I, optical isomers thereof or pharmaceutically acceptable salts thereof as an active ingredient, a method for preventing or treating pulmonary arterial hypertension using the compound, a use of the compound for preventing or treating pulmonary arterial hypertension, and a use of the compound in preparing a medicament for preventing or treating pulmonary arterial hypertension.

The utility model discloses a hydrodynamic debridement handle which comprises a handle body, a debridement tool bit is arranged at the front end of the handle body, the debridement tool bit is connected with an external hydrodynamic debridement system through a high-pressure water pipe and a waste discharge pipe, an annular groove is formed in the outer surface of the handle body, and a film pressure sensor is arranged in the annular groove. An elastic rubber sleeve sleeves the annular groove, when the handle body is held by a hand, the thin film pressure sensor is correspondingly matched with the thumb of the hand, the thin film pressure sensor is electrically connected with an external hydrodynamic debridement system, and the external hydrodynamic debridement system controls the water flow injection pressure of the debridement tool bit according to a feedback signal of the thin film pressure sensor; the water flow injection pressure of the debridement tool bit is adjusted in a hand pressing mode, so that the water flow injection pressure changes along with the change of hand debridement actions of a doctor, the doctor can conduct refined debridement on a wound surface, excessive debridement is avoided, the debridement accuracy and safety are improved, and the satisfaction degree and compliance of a patient are improved.

An apparatus and method for operating and controlling high pressure fluids is disclosed. The apparatus has a discharge chamber for receiving high pressure fluid from a source of high pressure fluid and a dose chamber for receiving a flow of high pressure fluid from the discharge chamber through a flow path from the discharge chamber to the dose chamber, the discharge chamber having an outlet. There is also a working chamber having an inlet end at one end thereof and a dose valve member having an annular sealing face around the inlet end. When the dose valve member is in a closed condition, the sealing face is in contact with an annular seat to seal the outlet; and when the dose valve member is in an open condition, there is a gap between the annular sealing face and the seat to allow high pressure fluid to move from the outlet to the inlet. The high pressure fluid in the discharge chamber at least partially holds the dose valve member in the closed condition until the pressure of the high pressure fluid in the discharge chamber is reduced, whereby the high pressure fluid in the dose chamber unseals the dose valve member to the open position.

The present invention relates to a portable system and method for providing holistic wellbeing assessment to be performed. The system comprises a modular air-tight chamber built upon a plurality of vehicular chassis, watercraft and inflatable spaces with its internal air separated from external environmental air. An acoustic tactile and infra-red radiating floor and wall surface module (200). A mirror is embedded leaderboard and video consultation instructional display module (300). A health and nutrition assessment module (400); singular or plurality of retractable treatment and therapy couch module(s) (450) is contained inside a high air pressure and oxygen rich airtight chamber (800,). A health sensor data aggregator (740) and artificial intelligence (AI) based main controller (705) is connected cloud (790) to display the content. A health assessment module is integrated with plurality of interactive sensory and 3D stereoscopic vision camera arrays (420) and breathe analysis module (415). The health assessment module is integrated with facial scanning and 3D body imaging camera array module (8A) and the health assessment module with integrated breath analyser (415).

The invention discloses a venous transfusion intelligent speed regulation anti-leakage device and a working control method thereof, and the device comprises a speed regulation module, an anti-leakage monitoring module, a pressure protection module, a control module and an interaction module. Accurate adjustment of infusion flow speed, real-time monitoring and early warning of leakage and dynamic control of infusion pressure are achieved. The speed regulation module covers mechanical precise speed regulation and intelligent closed-loop speed control and adapts to multi-scene infusion requirements; the anti-leakage monitoring module realizes rapid identification and alarm of leakage through a conductivity sensing, pressure sensing or infrared imaging technology; and the pressure protection module avoids the risk of high-pressure leakage through a pressure release valve or pressure self-adaptive adjustment. The device is adaptive to traditional infusion equipment, is simple and convenient to operate, is controllable in cost, can remarkably improve the infusion safety and accuracy, reduces the nursing workload, and is suitable for the scenes of conventional infusion, special precise infusion and the like of medical institutions at all levels.

1. The name of the design product: micro-high pressure oxygen cabin (O2). 2. The use of the design product: used as a device for supplying oxygen in a micro-high pressure environment. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view.

The invention discloses a reversible multi-nozzle needleless injection ampoule with a turbulent flow mixing function, and belongs to the technical field of medical instruments. Due to the design of the integrally-formed nozzle base, all dynamic sealing interfaces which may fail under high pressure are eliminated, so that the pressure resistance of the ampoule is greatly improved, and the service life of the ampoule is greatly prolonged; according to intelligent switching of the injection modes, a user can switch between the deep precise injection mode and the superficial broad-spectrum coverage mode through simple rotating operation, unprecedented clinical adaptability is given to the ampoule, clear tactile / auditory feedback is achieved in the switching process, the clinical adaptability is high, and operation is convenient and fast. The multifunctional injector integrates the functions of injection mode switching, liquid medicine mixing and front-end medicine taking, and the clinical adaptability and operation convenience are improved.

This invention belongs to the field of medical device technology and discloses an emergency resuscitation breathing device, including a mobile cabinet and a high-pressure gas cylinder, a constant-temperature evaporator, a power supply, and a first mixing chamber disposed within the mobile cabinet. The high-pressure gas cylinder is connected to the first mixing chamber through a first gas supply passage with a first solenoid valve, and the constant-temperature evaporator is connected to the first mixing chamber through a second gas supply passage with a second solenoid valve and a semiconductor heating element; the outlet of the first mixing chamber is connected to a breathing mask via a second mixing chamber. The bottom of the mobile cabinet is equipped with a retractable stabilizing component, and the interior has a hinged moving frame for supporting the gas cylinder. This invention features high integration, no exposed parts, easy movement, and protection against impacts; it allows for convenient replacement and reliable fixation of the gas cylinder, and can adjust the air-oxygen ratio and the temperature and humidity of the output gas to avoid irritating the patient's respiratory tract; the stabilizing component and the pipe clamping structure ensure the stability of the device and the reliability of the pipe connection during gas supply.

The invention belongs to the field of injectors, and particularly relates to a multi-hole needleless injector driven by a same-air-source double-channel Laval nozzle, which comprises a compressed air source and a control valve, the two Laval nozzles are arranged in parallel and have different structural parameters, and inlets of the two Laval nozzles are both communicated with the compressed air source; the pneumatic cavities are respectively communicated with outlets of the two Laval spray pipes; the pistons are arranged in the cavities; the liquid medicine storage chamber is connected with the piston of the transmission assembly; the injection spray head assembly is connected with an outlet of the liquid medicine storage chamber and comprises a central main spray hole and a plurality of peripheral auxiliary spray holes arranged around the central main spray hole, the central main spray hole corresponds to the piston driven by one path of high-pressure air flow, and the peripheral auxiliary spray holes correspond to the piston driven by the other path of low-pressure air flow. Under the condition that a needle head is not needed, the subcutaneous distribution uniformity of liquid medicine is remarkably improved, the injection precision is improved, and the tissue damage risk is reduced.

The utility model provides a movable hyperbaric oxygen chamber with an anisotropic membrane structure, which comprises a base and further comprises section bars, the section bars form the base, and four corners of the base are provided with cut corners. The membrane material is fixedly connected with a plug pin, and the plug pin is arranged in the sectional material; the airtight zipper is arranged on the membrane material; the pull belt is arranged in the membrane material, the sectional material is provided with a through long clamping groove, the plug pin is placed in the clamping groove after being connected with the membrane material, the membrane material is a closed cavity which is formed by processing a high-strength membrane material and is similar to a horizontal cylinder, and the closed cavity can bear high-pressure gas. The volume is small, the use is convenient, and mass production and popularization are facilitated.

An underwater robot performance evaluation platform simulating a deep sea environment comprises a hyperbaric chamber, a high-pressure flow field generator, a condensation system and a control center, the hyperbaric chamber comprises a hyperbaric chamber body A, a hyperbaric chamber body B and a hyperbaric chamber body C, and the hyperbaric chamber body A, the hyperbaric chamber body B and the hyperbaric chamber body C are sequentially connected. A high-pressure inlet and outlet cabin through which the underwater robot enters and exits is mounted on the inlet side of the high-pressure cabin body A, and the high-pressure inlet and outlet cabin is connected with the high-pressure cabin body C through a high-pressure circulating cabin; the high-pressure flow field generator is communicated with a flow field grating in the high-pressure cabin; a condensation pipeline is arranged on the cabin wall of the hyperbaric cabin and is connected with a condensation system; and a disturbance AUV for simulating fish school disturbance is arranged in the hyperbaric cabin. The controllable high-pressure flow field generator, the controllable low-temperature condensation system and the disturbance fish school robot are carried, and the performance and stability of the robot in turbulent flow and low-temperature environments and under fish school disturbance can be simulated and verified.

The utility model relates to a flotation reagent stable adding system with a cleaning function, which comprises a reagent storage box, a reagent pumping hose communicated between the reagent storage box and a reagent barrel, a reagent pumping pump mounted on the reagent pumping hose, the reagent storage box connected to an inlet of a pulse flow pump through a reagent conveying pipe, and an outlet of the pulse flow pump connected to a flotation tank through a reagent conveying pipe. A high-pressure flushing water pipe is communicated with the pesticide conveying pipe between the pesticide storage box and the pulse flow pump, a three-way valve is arranged at the junction of the high-pressure flushing water pipe and the conveying pipe, and a blow-down valve is installed at the lowest position of the conveying pipe between the pulse flow pump and the flotation tank. The pesticide pumping hose, the check valve and the pesticide pumping pump can directly pump the pesticide in the stacked pesticide barrels into the pesticide storage box, traditional manual carrying is replaced, labor intensity is reduced, and the pesticide barrel carrying risk is eliminated from the source. Meanwhile, the pulse flow pump is used for conveying the medicament, the medicament flow can be accurately metered, and timed, quantitative and stable medicament adding is ensured.

This invention relates to the field of auto-injector technology and discloses a fully automatic intelligent high-pressure needleless injector, comprising a main body, a needleless injection head detachably mounted on the injection end of the main body, a gripping drive assembly disposed in the middle of the inner cavity of the main body, and an impact assembly connected to the gripping drive assembly disposed in the inner cavity of the main body at the end away from the needleless injection head, and a charging assembly disposed on the inner cavity and outer end of the main body on the same side as the impact assembly; the invention, by providing a gripping drive assembly and an impact assembly, facilitates users to set the required drug injection volume and injection pressure parameters via a mobile APP, and transmits the information to the injector's control module via Bluetooth communication. The control module analyzes the received injection volume and injection pressure parameters and realizes an intelligent integrated control process for automatic drug replenishment and automatic injection of the needleless injector, improving the control capability of drug injection dosage and force.