461 results about "Hyperbaric pressure" patented technology

The invention relates to the technical field of water level monitoring, in particular to a visual monitoring system for the condensate water level of a micro-hyperbaric oxygen chamber, which adopts the technical scheme that an internal image of a water receiving box is acquired at a preset frequency, and water mist and reflective interference are eliminated by adopting a dynamic illumination compensation and frequency domain filtering technology; a U-Net deep learning model is integrated, a water level line is segmented through multi-scale feature fusion, foam and impurity artifacts are recognized in combination with time sequence analysis, a water level value is dynamically corrected, graded alarm is triggered according to a water level threshold value, an air conditioner drainage system is linked, traditional image processing and the deep learning model are combined, and detection robustness under complex working conditions is improved. Real water levels and interferents are effectively distinguished through time sequence analysis and physical characteristic modeling, the real-time requirement under the high-pressure environment is met through the model compression and hardware acceleration technology, and absolute reliability of equipment operation is ensured through linkage of a grading early warning mechanism and a drainage system.

The invention relates to the technical field of needleless injectors, and discloses novel needleless injector equipment which is composed of a shell, a liquid medicine bottle and an injection mechanism. The liquid medicine bottle is communicated with the injection medicine cylinder of the injection mechanism, and when injection is needed, liquid medicine is firstly extracted into the injection medicine cylinder from the liquid medicine bottle through the first liquid inlet hole. One end of the cylindrical channel is connected with the nozzle, and the other end of the cylindrical channel is connected with the piston rod. The power assembly controls movement of the piston rod through the excitation assembly. A conduction valve is further arranged in the injection medicine cylinder, and a second annular channel is formed through the outer annular groove and the inner annular groove so as to prevent liquid medicine from flowing back. A small medicine storage tube is arranged at the end, close to the injection tube, of the piston rod and used for storing liquid medicine. In the injection process, the power assembly pulls the piston rod to form vacuum negative pressure, so that liquid medicine is sucked into the injection tube through the third medicine inlet hole and the small medicine storage tube. The power assembly pushes the piston rod to reversely move at a high speed, and liquid medicine is injected at high pressure through the injection pipe and the nozzle.

A system for a hyperbaric chamber with mirrored controls is disclosed. The system includes a cylindrical vessel with a mid-portion, head portion, and door portion that create an inner cavity when a door is in a closed position. The vessel is designed to maintain a pressure of at least 3 atmospheres and includes a plurality of mirrored windows for external visibility. Control panels with a housing and multiple controls are attachable to mirrored control inlets on the vessel's wall. The mirrored control inlets allow for control panels to be placed on either the interior or exterior surfaces of the vessel. The system may also include a modular design with sections secured together using flanges and gaskets to create an airtight seal. The hyperbaric chamber's mirrored controls and modular construction enhance accessibility, safety, and patient comfort, addressing space constraints and orientation limitations of current designs.

Custom medicament injection systems and methods suitable for injection of a medicament into at least one treatment area in the skin of a user may include a medicament injection component and a computing device. The medicament injector component may be configured to discharge a selected quantity, volume, and / or number of injection dosage units of medicament from a medicament cartridge as a high-pressure jet of the medicament into the patient's skin. The computing device may be configured to capture pre-treatment data (e.g. an image of the treatment area on the patient) and, based on the pre-treatment data, identify and output targeting data including one or more target medicament injection sites relative to the treatment area.

The utility model relates to ultrahigh-pressure sterilization equipment which comprises a high-pressure cabin, a sliding rail extending in the axial direction of the high-pressure cabin is arranged in the high-pressure cabin, and a plurality of material containing cabins are arranged on the sliding rail in a sliding mode. A sealing valve I, a sealing valve II, a sealing valve III and a sealing valve IV which are sequentially arranged in the axial direction of the hyperbaric cabin are arranged in the hyperbaric cabin, a feeding cabin is formed between the sealing valve I and the sealing valve II, a sterilization cabin is formed between the sealing valve II and the sealing valve III, and a material taking cabin is formed between the sealing valve III and the sealing valve IV; the feeding cabin and the material taking cabin are communicated with an ultrahigh-pressure pump through a high-pressure pipe; a driving mechanism for driving the material placing cabin to move along the axial direction of the high-pressure cabin is arranged in the high-pressure cabin; according to the utility model, pressurized products are continuously conveyed to the sterilization cabin through the feeding cabin, the products are sterilized for a period of time through the sterilization cabin, and the sterilized products in the sterilization cabin are continuously taken out through the material taking cabin, so that the device is simple, efficient, safe and reliable.

The invention discloses a continuous pressurization capacity alarm device for an artery pressurization bag, relates to the technical field of pressurization bags, and has the advantages that an alarm is given before the pressure of the pressurization bag is lower than a certain value, so that the situation that medical staff frequently observe a pressure monitoring device is reduced, and then the working intensity of the medical staff is reduced. The pressurizing bag is connected with a pressure monitoring device and an inflation device through a first air pipe and a second air pipe correspondingly, the pressure monitoring device comprises a sleeve barrel communicating with the first air pipe, a stand column is slidably connected into the sleeve barrel through a moving part, and the bottom end of the stand column penetrates through the barrel bottom of the sleeve barrel and extends out of the sleeve barrel. A high-voltage indication area, a transition area and a low-voltage indication area are arranged on the side wall of the stand column and are sequentially arranged from top to bottom, and a first alarm piece is arranged on the sleeve barrel.

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 present invention discloses a roller-type high-pressure injector, which relates to a high-pressure injector and solves the technical problems that the injection method using an electric pusher has many consumables, high equipment costs, and is easy to affect the stability of the injection. It includes a shell and a base; a support plate is installed on one side of the shell, and a plurality of medicine bottle fixing seats are installed above the support plate, and a switch structure with the same number as the medicine bottle fixing seats is provided below the medicine bottle fixing seats; an extrusion roller is provided below the switch structure, and an extrusion plate is slidably installed on the support plate below the extrusion roller, and a locking mechanism is provided below the extrusion plate, and a positioning protection mechanism is provided on the outside of the locking mechanism. The present invention is simple to operate, safe and reliable, greatly reduces consumables and costs, and also avoids the problem of large vibrations to which the high-pressure injector is subjected when the injection is pushed by an electric injection syringe.

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 discloses a hyperbaric oxygen chamber device capable of being remotely monitored, and relates to the technical field related to hyperbaric oxygen therapy, the hyperbaric oxygen chamber device comprises a chamber body, a door frame is arranged at the front end of the chamber body, an oxygen pumping main machine is arranged on the lower side of the left end of the chamber body, and a monitor is arranged at the upper right corner of the front end of the chamber body; the oxygen pumping main machine and the monitor are both electrically connected with an external power source through wire harnesses, a deck chair is arranged in the cabin body, and a cabin door is arranged in the door frame. After the mechanical connection chain is forcibly interrupted and the pressure returns to normal, the spring mechanism automatically resets to enable the transmission system to be meshed again, so that the connection state of the interlocking assembly in different pressure states is realized, the risk of mistakenly opening the cabin door in a high-pressure environment is physically eliminated, and the failure risk caused by the fact that a traditional oxygen cabin depends on an electronic sensor is avoided; and the medical safety is improved.

The utility model relates to the technical field of medical instruments, in particular to a pulmonary artery wedge pressure balloon. The pulmonary artery wedge pressure balloon comprises a catheter and a balloon body, one end of the catheter is provided with an inclined and elastic bent section, the balloon body is arranged on the outer wall of the end of the bent section, an airflow cavity channel communicated with an inner cavity of the balloon body is formed in the catheter, and the airflow cavity channel penetrates out of the side wall of the other end of the catheter. The pulmonary artery pressure detector has the advantages that the structural design is simple and reasonable, the use cost is low, and the pulmonary vessel pressure information of a pulmonary artery hypertension patient can be effectively detected, so that medical staff can judge the drug effect of administration according to the information or accurately evaluate the interventional operation of the patient.

A hyperbaric chamber, which consists of a pressurized environment designed to provide high-pressure oxygen to people inside therein, is here described, wherein said hyperbaric chamber is made through a filament-winding process. This type of chamber is used in various medical and therapeutic applications.

The invention discloses a leakproofness leak detection method for low-concentration plastic ampoule bottled liquid medicine, and belongs to the technical field of medicine production. The method comprises the following steps: freezing a liquid medicine in a container in liquid nitrogen, filling nitrogen into the container in a vacuum environment, unfreezing at room temperature, finally filling the liquid medicine, adjusting the headspace volume in a plastic ampoule bottle to be less than or equal to 10%, and carrying out high-pressure leak detection. According to the invention, the mode of rapidly freezing the liquid medicine before filling and then carrying out vacuum nitrogen charging and unfreezing and redissolving at room temperature is combined with the mode of adjusting the headspace volume in the bottle to be 10%, so that the generation of impurities in the high-voltage discharge leakage detection process is effectively avoided, and meanwhile, the 100% detection of a leaked liquid sample is ensured; the device meets the requirements of 100% integrity test of drugs in ampoule bottles in the Aseptic Drug Administration Rule 2010 Edition Drug Production Quality Management Standards, and can meet the continuous online rapid leak detection requirements of drugs in large-batch production.

A monoplace hyperbaric chamber design to permit at least 2 ATR (about 30 psi relative) internal pressure which accommodates upright seating and, with stiffeners removed for transport, has dimensions to facilitate the chamber passing through a common door opening width of a doctor's examination room where the stiffeners are attached without disturbing a hermetic seal of the hyperbaric chamber.

The invention relates to the technical field of medical instruments, and particularly discloses a pneumoperitoneum machine control system, method and device, electronic equipment and a storage medium, the pneumoperitoneum machine control system controls a proportional valve to operate based on a proportional valve state machine, and controls an exhaust valve to operate based on an exhaust valve state machine; the state of the proportional valve state machine comprises a blowing waiting state, a blowing state and a post-blowing waiting state which are circularly switched in sequence; the state of the exhaust valve state machine comprises an exhaust closing state, an exhaust opening state and an after-exhaust waiting state which are circularly switched in sequence; according to the system, the proportional valve state machine and the exhaust valve state machine are introduced to achieve fine control over the air supply process and the exhaust process, control logic is simplified, the pressure of the abdominal cavity can be rapidly responded, accurately controlled and flexibly adapted, the frequently-occurring high-pressure condition is effectively prevented, and therefore the safety and efficiency of an operation are improved; and the observability of the system can be improved, and valuable data support is provided for subsequent optimization and improvement.

The invention relates to the technical field of material processing, and particularly relates to a control method of a cold isostatic pressing device, which realizes stable control of dynamic adjustment of pressurization, pressure maintaining and pressure relief stages through multi-parameter cooperative monitoring so as to improve the control efficiency of the cold isostatic pressing device. According to the invention, through detection from surface inspection to internal characteristics, no leakage and correct placement of materials can be ensured, pressurization safety supervision is carried out from a pressurization angle, so that the pressure in the high-pressure bin is stably increased according to a standard pressure increasing rate and a standard real-time pressure value, and the pressure in the high-pressure bin is increased along with a segmented pressure maintaining treatment process. According to the method, the control precision and strategy are adjusted in stages, the full-period requirement of materials from rapid densification to stress release is matched, the problem of excessive densification or insufficient densification caused by traditional constant-pressure pressure maintaining is solved, meanwhile, pressure relief is managed in real time, the backflow rate of hydraulic oil is controlled, and the working efficiency is improved. Material damage caused by too high speed of the high-pressure section is avoided, and the overall pressure reduction time is shortened.

The invention relates to the technical field of medical data processing, in particular to an aortic dissection rupture risk early warning method based on a CTA image, and the method comprises the steps: determining the blood pressure abnormity trend representation degree corresponding to a target patient according to the systolic pressure distribution condition of the target patient in a preset historical time period, and predicting a possible high pressure time interval; obtaining a CTA image of a target patient, and determining a precursor rupture early warning index, a new rupture spread degree and a blood pressure image correlation degree; and on the basis of the systolic pressure, the overall correlation coefficient and the current CTA image of the target patient in the current period, aortic dissection rupture risk early warning is realized through a pre-trained aortic dissection rupture risk early warning network. When the network is used, the systolic pressure, the overall correlation coefficient and the current CTA image in the current period are combined, so that the richness of network input data is enriched, and the accuracy of aortic dissection rupture risk early warning is improved.

A modular hyperbaric chamber system with a reversible control section is disclosed, providing enhanced flexibility in chamber placement and orientation within various spatial constraints. The system includes a modular cylindrical vessel composed of a cylindrical body section, a head section, and a door section, with the body section featuring a reversible control section. This reversible control section, equipped with mirrored control inlets and windows, allows for 180-degree rotation, altering the chamber's orientation. The chamber maintains an internal pressure of at least 3 atmospheres and includes a flow control system for oxygen transfer from an external source into the chamber. A control panel with a housing and multiple controls is operably connected to the flow control system and can be secured to either the interior or exterior mirrored control inlets. The system's design accommodates custom configurations and ensures patient and operator convenience and safety.

The utility model relates to the technical field of medical instruments, in particular to a high-speed gas source control system which comprises a PVM1 double-end positive and negative pressure pump, a high-pressure gas tank assembly, a negative pressure tank assembly, a W1 storage cavity, a W2 storage cavity, a PS1 high-pressure gas tank, a PS2 high-pressure gas tank and a PS3 high-pressure gas tank, the VS1 negative pressure tank and the VS2 negative pressure tank are used for establishing a negative pressure source; the W1 storage cavity is used for storing liquid flow of a power driving system generated by the PS2 high-pressure gas tank; the W2 storage cavity sucks waste liquid from the negative pressure source generated by the VS2 negative pressure tank; the pressure sensors E1 to E5 are used for monitoring the pressure of each tank, and the solenoid valves V1 to V8 are used for on-off of a pipeline passage and logic control of air flow. The problem that the flow cytometry that a stable and complex air source system is used for driving a liquid path and achieving stable sheath flow is monopolized by foreign enterprises all the time is solved.

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%.

Embodiments of negative pressure wound therapy systems and methods for operating the systems are disclosed. In some embodiments, a system includes a pump assembly, canister, and a wound dressing configured to be positioned over a wound. The pump assembly, canister, and the wound dressing can be fluidically connected to facilitate delivery of negative pressure to a wound. The pump assembly can present graphical user interface screens for controlling and monitoring delivery of negative pressure. The system can be configured to efficiently deliver negative pressure and to detect and indicate presence of certain conditions, such as low pressure, high pressure, leak, canister full, and the like. Monitoring and detection of operating condition can be performed by measuring one or more operational parameters, such as pressure, flow rate, and the like.

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.

The invention belongs to the technical field of limb heat preservation, and particularly relates to a limb heat preservation device for electromyography examination, which comprises a frame body, the frame body is hollow, a moving plate is longitudinally connected in the frame body in a sliding manner, heat preservation boxes are symmetrically connected to the top wall of the moving plate, and the bottom wall of one heat preservation box is fixedly connected with one side of the top wall of the moving plate. The bottom wall of the other heat preservation box is slidably connected with the top wall of the movable plate, the top wall of the heat preservation box is fixedly connected with a top plate, and the bottom wall of the top plate is fixedly connected with a containing frame. The heat preservation boxes on the two sides are driven to be closed through the gravity of the lower limbs of a patient, the heating cavity conveys heat to the containing frame, uneven temperature, caused by poor blood circulation, of the tail ends of the lower limbs is avoided, the legs of the patient are fixed through airflow, the feet of the patient can also be fixed, and full-chain fixing from the thighs to the soles is achieved; meanwhile, the foot sole and the instep are attached in a self-adaptive mode according to the foot shape of the patient, suspended fixation is formed, and high-pressure airflow can massage the foot sole of the patient.

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 application discloses a kind of big depth manned submersible emergency breathing system, it is related to diving equipment field, including high-pressure oxygen cylinder, the high-pressure oxygen cylinder is connected with first high-pressure valve body assembly by air pipe, the second sound filter includes sound filter main body, air inlet connecting pipe, the outside of the air inlet connecting pipe is provided with the mounting mechanism for the first sound filter and air pipe connection;The threaded sleeve is distributed with the positioning mechanism for limiting the threaded sleeve.The application is positioned by setting positioning mechanism, by the threaded sleeve is screwed to air pipe and air inlet connecting pipe, air outlet connecting pipe between, at this time, the threaded sleeve can be limited by inserting second positioning pin into annular clamping groove, to increase the stability of air pipe and air inlet connecting pipe, air outlet connecting pipe between connection, then can be made L-shaped connecting rod, threaded sleeve lose positioning simultaneously by connecting mechanism, to provide the convenience for subsequent disassembly, replacement of equipment.

High-pressure vessel (10) with a lining (300) and a composite layer (400) for reinforcing a circumference of the lining (300), wherein the high-pressure vessel (10) has the following: a cylinder part (200) along an axial direction of the high-pressure vessel (10); and Curved parts (100) that are attached to both ends of the cylinder part (200) to surround the high-pressure reservoir (10), wherein the composite layer (400) arranged on the cylindrical part (200) contains a plurality of ring layers (410) and spiral layers (420) that are alternately overlapped, wherein an annular layer (410) that is located closer to the lining (300) has a greater thickness than an annular layer (410) that is located further away from the lining (300), such that the thickness of the annular layers (410) decreases while the distance from the lining (300) increases, and wherein a layer of the composite layer (400) that is located closest to the lining (300) is an annular layer (410) among the plurality of annular layers (410), and wherein a layer of the composite layer (400) that is located furthest from the lining (300) is an annular layer (410) among the plurality of annular layers (410).

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.