72 results about "Balloon inflation" patented technology

The utility model discloses a thrombus aspiration plugging sheath system based on a special-shaped cavity, which comprises a vacuum device, an aspiration plugging sheath, an aspiration plugging sheath and an aspiration plugging sheath, and is characterized in that the vacuum device comprises a negative pressure needle cylinder and a piston buckle arranged on the side wall of the negative pressure needle cylinder; the balloon sheath tube comprises a tube body, a balloon used for blocking is arranged at the far end of the tube body, a connector connected with the vacuum device is arranged on the side of the near end of the tube body in a supporting mode, and a plurality of special-shaped cavities are formed in the tube body; the thrombus dragging instrument is used for blocking blood flow to reduce blood loss during thrombus suction and intercepting the thrombus to prevent the thrombus from escaping when the thrombus is dragged; the vacuum device is arranged on the side branch of the near end of the balloon sheath tube, and the thrombus dragging instrument is arranged in the balloon sheath tube. According to the embodiment of the utility model, the balloon filling opening and the thrombus suction opening are formed in the catheter body, a multi-cavity structure is adopted, the balloon sheathing canal blocks blood flow, and the thrombus dragging instrument is matched with a vacuum device to suck, drag and take out thrombus.

The present disclosure relates generally to a system for inflating a balloon and more particularly to a system and methods by which parameters for an inflation process are defined based on design and location of a balloon. Particularly, the system is configured to, automatically or in response to a user input, execute an inflation process to facilitate providing a defined minimum amount of a lighter-than-air gas followed by one or more supplemental gases to create a mixture within the balloon. Advantageously, the system may be configured to optimize an amount of each gas injected based on a design and location of the balloon and output an interface including costs, savings, and parameters relating to the location, design, and / or gaseous mixture.

A system for crimping and expanding a medical device may include a delivery system with a handle, a catheter, and an inflatable balloon. A syringe may receive inflation media and may be configured to be received on a balloon inflation system and to be coupled to the delivery system. A crimper may have a collapsible iris assembly configured to receive the medical device therein. The crimper may be configured to mechanically couple to the balloon inflation system. The balloon inflation system may actuate the crimper to crimp the medical device onto the balloon when the medical device is received within the iris assembly. The balloon inflation system may be configured to actuate the syringe to advance the inflation media from the syringe to the balloon to expand the balloon and to expand the medical device that is crimped onto the balloon.

The invention discloses a locking structure balloon catheter system for trigeminal neuralgia and a using method of the locking structure balloon catheter system, and relates to the technical field of balloon catheters. The balloon is allowed to be filled only after the balloon catheter is conveyed to the preset position, so that the situation that the balloon is filled in advance due to misoperation is prevented, and the risk of misoperation is effectively reduced. The system comprises a puncture needle, a balloon catheter and a locking structure, the puncture needle is used for establishing a channel; the balloon catheter comprises a filling catheter, a balloon and a handle Luer connector assembly; the balloon is connected to the far end of the filling catheter, and the two ends of the handle Luer connector assembly are connected with the filling catheter and the injector respectively. The locking structure comprises an elastic sleeve which sleeves the outer wall of the filling guide pipe, and two ends of the elastic sleeve are fixedly connected to the outer wall of the filling guide pipe; when the elastic sleeve is located in the inner cavity of the puncture needle, the elastic sleeve deforms, and a fluid channel filling the catheter is closed; when the elastic sleeve is separated from the puncture needle inner cavity, the elastic sleeve restores to open the fluid channel; the invention further discloses a using method of the balloon catheter system.

The invention provides a sectional type blocking balloon which comprises a balloon catheter, a guide wire catheter, a near-end blocking balloon and a far-end blocking balloon, the near-end blocking balloon and the far-end blocking balloon are sequentially arranged on the balloon catheter, the guide wire catheter is arranged in the balloon catheter in a penetrating mode, and the near-end blocking balloon and the far-end blocking balloon are sequentially arranged on the far-end blocking balloon. A near-end balloon charging and discharging tube and a far-end balloon charging and discharging tube which are used for conveying filling media to the near-end blocking balloon and the far-end blocking balloon respectively are arranged in the balloon catheter, and the portion, between the near-end blocking balloon and the far-end blocking balloon, of the balloon catheter is an exclusive operation area. While the proximal end and the distal end are blocked, a surgical blood vessel repairing operation space is reserved, and the limitation that the proximal end and the distal end of a blood vessel need to be dissociated for blocking in a traditional surgical operation is avoided. The operation efficiency is improved, the workload of medical staff is reduced, and the device is suitable for being widely used and popularized.

The invention relates to the technical field of manufacturing of medical instruments, in particular to an intracranial controllable drug balloon dilatation catheter and a drug delivery method for a narrow area of a blood vessel. According to the intracranial controllable medicine balloon dilatation catheter, the inner-layer catheter body is arranged in the outer-layer catheter body in a sleeved mode and fixedly connected with the far end of the outer-layer catheter body; the balloon is assembled on the outer-layer tube body and is provided with a plurality of dosing holes along the circumferential direction; a medicine adhesion layer is compounded on the surface of the balloon section of the outer-layer tube body; the stress releasing pipe is connected to the end, close to the operation end, of the outer-layer pipe body. The Y-shaped tube base is connected to the end, away from the outer-layer tube body, of the stress releasing tube, one connector is connected with an injection device to inject medicine carriers into the balloon, and the other connector is used for a guide wire to penetrate through. When intracranial vascular stenosis is treated, directional drug release can be achieved by means of the drug delivery holes and the drug adhesion layer. The medicine is sprayed to the focus through the administration hole, the medicine is promoted to permeate into the middle layer of the blood vessel wall through the attaching force generated by the balloon expansion, the problems of non-uniform liquid medicine distribution, insufficient permeation and the like are effectively solved, and the local medicine concentration and the treatment effect are improved.

The utility model discloses a meteorological balloon inflation device, and particularly relates to the technical field of balloon inflation, the meteorological balloon inflation device comprises a bottom plate, an inflation pump for inflating a meteorological balloon is arranged in the bottom plate, and a limiting mechanism for limiting the meteorological balloon is arranged at the top of the bottom plate. The limiting mechanism comprises two limiting plates arranged on the two sides of the top of the bottom plate respectively, first supporting frames are arranged on the two sides of the interior of the bottom plate, a two-way threaded rod is in threaded connection with the exterior of one first supporting frame, fixing plates are in threaded connection with the two ends of the two-way threaded rod, and the tops of the fixing plates are fixedly connected with the bottoms of the limiting plates. According to the utility model, the meteorological balloon can be limited through the limiting mechanism, the operation is simple, the time is saved, the inflator pump in the bottom plate can be detected and maintained through the dismounting mechanism, and the service life of the device is prolonged.

The utility model relates to an automatic balloon inflation vending machine applied to the field of recreation facilities, which comprises a box body, a partition plate and a balloon taking assembly are fixedly connected to the inner wall of the box body, a placing plate is fixedly connected to the front end of the partition plate, an automatic stick discharging machine is fixedly connected to the upper end of the placing plate, and two sets of balloon storage bins are fixedly connected to the rear end of the box body. The two ball storage bins are located on the upper side and the lower side of the containing groove respectively. The ball taking assembly is located on the rear side of the ball storage bins. The inner top wall of the box body is fixedly connected with a distribution board. A front door is arranged in front of the equipment. Replenishment maintenance can be carried out through opening and closing of the front door, daily maintenance efficiency is effectively improved, meanwhile, the baffle is arranged at the goods taking opening, door opening and closing actions can be automatically carried out when equipment runs, and therefore when the equipment is in a standby state, the situation that an unused person enters the goods taking opening by mistake can be effectively avoided, and safety performance of the equipment is effectively improved.

The utility model discloses a balloon plugging catheter structure for colorectal surgery, which belongs to the technical field of catheter structure buckles and comprises a main catheter, the top end of the main catheter is connected with a positioning disc, the top end of the positioning disc is connected with a drainage component, the main catheter comprises a main tube, one end of the main tube is connected with a first balloon, and the other end of the main tube is connected with a second balloon. The other end of the main tube is connected with a second balloon, the bottom end of the second balloon is connected with a drainage tube, open holes are formed in the periphery of the drainage tube, the outer wall of one side of the drainage tube is connected with an auxiliary tube, and a folding opening is formed in the outer wall of one side of the auxiliary tube. The main tube part of the catheter structure is communicated with the corresponding saccules through each group of cavity tubes and can be matched with expansion of the two groups of saccules, double-end blocking is formed during placement and fixation, the sealing stability of the intestinal fistula part is improved, intestinal juice is prevented from overflowing, a subsequent secondary retraction operation is not needed, and the main tube part can be matched with connection of a traction rope to adjust the bending degree of a drainage tube; the intestinal inner wall is prevented from being attached during drainage, and drainage stability is kept.

A prosthetic heart valve delivery system may include a handle, an outer catheter extending distally from the handle, and a balloon mounted to a distal portion of the outer catheter. A prosthetic heart valve may be configured to be received on a balloon, and a balloon inflation system may be configured to inflate and deflate the balloon. The balloon may include a proximal balloon portion and a distal balloon portion positioned distal to the proximal balloon portion. The interior volume of the proximal balloon portion may be fluidly isolated from the interior volume of the distal balloon portion such that the proximal balloon portion and the distal balloon portion may be inflated independently of each other.

This invention provides a balloon microcatheter, relating to the field of medical devices. The balloon microcatheter includes an outer tube, a balloon, a connecting tube, and a reducing tube. The balloon is disposed at the distal end of the outer tube, and the connecting tube passes through the outer tube. The wall of the connecting tube has a through hole, and a first channel is defined between the outer wall of the connecting tube and the inner wall of the outer tube. The first channel communicates with the through hole and connects to the balloon. The connecting tube is sleeved on the outside of the reducing tube. When pressure is applied into the reducing tube, the inner diameter of the reducing tube increases, effectively increasing the space of the infusion cavity and improving the infusion efficiency of the balloon microcatheter. When pressure is applied into the first channel, the outer diameter of the reducing tube decreases. At this time, the space of the second channel formed between the outer wall of the reducing tube and the inner wall of the connecting tube increases. The second channel and the first channel together form the filling cavity, effectively increasing the space of the filling cavity and thus improving the balloon inflation efficiency.

The invention discloses a film-covered balloon double-cavity stomach tube and a preparation method thereof. The stomach tube comprises a double-cavity stomach tube body, a compliance balloon and a drug-loaded fiber film. The double-cavity stomach tube is provided with a main cavity for gastrointestinal drainage and a side cavity for balloon inflation and deflation; the compliance balloon is fixed to the esophageal section and expands and contracts through inflation and deflation of a side cavity. The outer surface of the balloon is coated with the drug-loaded fiber covering film, the drug-loaded fiber covering film is composed of coaxial drug-loaded nanofibers, a sheath layer of the drug-loaded fiber covering film is made of a blend of polylactic acid caprolactone and collagen, and a core layer of the drug-loaded fiber covering film is made of polylactic acid caprolactone dispersed with anti-inflammatory drugs and local anesthetic drugs. According to the preparation method, a drug-loaded fiber covering film is constructed on the surface of the balloon through a coaxial electrostatic spinning technology, drugs (such as dexamethasone and lidocaine) can be encapsulated in a nanofiber core layer, a sheath polymer material is used as a diffusion barrier, burst release of the drugs is effectively prevented, continuous and controllable release of the drugs at the esophageal diseased region is achieved, and the drug delivery effect is improved. The medicine action time is obviously prolonged; the curative effect is improved.

The invention provides a shock wave balloon inflation and deflation device with flow control. The shock wave balloon inflation and deflation device comprises a body; the gas path subsystem comprises a high-pressure gas source, a piezoelectric proportional valve, a turbine flowmeter and a pressure relief electromagnetic valve; the electric control subsystem comprises an FPGA processor and a touch screen human-computer interface. An MEMS pressure sensor is integrated at the far end of the multi-cavity balloon catheter; the piezoelectric proportional valve and the turbine flowmeter form a closed-loop control loop of internal pressure-gas flow of the balloon; the FPGA processor processes pressure and flow signals in real time and dynamically adjusts the opening degree of the piezoelectric proportional valve, the double-closed-loop control system enables the fluctuation of the internal pressure of the balloon to be smaller than or equal to 0.3 atm (traditional equipment + / -2 atm), the pressure compensation delay in the shock wave emission stage is smaller than 8 ms, the energy transmission efficiency is effectively improved, the damage rate of the blood vessel wall is reduced, the elastic modulus self-learning algorithm enables the pressure curve matching degree to be improved, and the pressure compensation delay in the shock wave emission stage is smaller than 8 ms. The bivariate PID module shortens the balloon filling time to 3.2 s (9.5 s in a traditional method), the accuracy rate of the recommended pressure value of the calcification grading module is increased, and 50 ms-level emergency response is achieved through the double-path pressure relief design.

In one example, the balloon inflation device includes a handle having a proximal handle end and a distal handle end. The balloon inflation device also includes a shaft extending distally from the distal handle end and an inflatable balloon positioned around at least a portion of the distal portion of the shaft. The shaft includes a hypotube having an inner surface and an outer surface. The inner surface defines the lumen of the hypotube. The shaft also includes a liner tube positioned within the lumen of the hypotube and a position sensor coupled to the distal portion of the hypotube. The position sensor is located between the inner surface of the hypotube and the liner tube.

The utility model discloses a breathing machine gas circuit sealing detection device, and relates to the technical field of breathing machine gas circuit detection, the breathing machine gas circuit sealing detection device comprises a supporting seat, the left side of the supporting seat is provided with a movable seat, and the upper side of the movable seat is provided with a test assembly; the testing assembly comprises a mounting frame mounted at the top end of the supporting seat, an air inlet pipe is arranged on the left side of the top end of the mounting frame, a plug is mounted on the outer side of the air inlet pipe, a fixed frame is welded to the top end of the movable seat, and a communicating valve head is arranged on the right side of the top end of the fixed frame; in the detection process, the interior of the pressure stabilizing balloon is inflated and expanded, so that after the air pump stops supplying air, pressure is continuously provided for the interior of the pipeline, meanwhile, whether expansion of the pressure stabilizing balloon becomes small or not can be observed, and therefore whether leakage exists in the pipeline of the breathing machine or not is judged; if the pressure stabilizing balloon expands stably and the reading of the pressure testing meter is kept within a certain range, the sealing performance of the breathing machine pipeline is good.

The utility model discloses a balloon pressurizing mechanism. The balloon pressurizing mechanism comprises a sliding table; a clamping assembly is arranged on the sliding table, a water jacket assembly is arranged on one side of the clamping assembly, a pressurizing assembly is arranged on the other side of the water jacket assembly, a balloon material pipe is clamped through the clamping assembly and the pressurizing assembly, and the inner side of the balloon material pipe is inflated and pressurized through the pressurizing assembly; the water jacket assembly is used for heating the balloon material pipe; the distance between the clamping assembly and the pressurizing assembly is controlled, heating is conducted through the water jacket assembly, the stretching length of the balloon material pipe is controlled, nitrogen can be directly pressurized into the balloon material pipe through the pressurizing assembly, and the machining technology of stretching and pressurizing of the balloon is rapidly completed.

The invention relates to a bionic structure for minimally invasive surgery and a preparation method, the bionic structure for minimally invasive surgery comprises a variable-diameter sheath core and a flexible sheath tube, the variable-diameter sheath core comprises a sheath core main body, a guide wire channel is arranged in the sheath core main body, one end of the sheath core main body is sleeved with a linear balloon, and the linear balloon is arranged in the sheath core main body. The balloon is communicated with a balloon filling channel; the flexible sheath tube is arranged outside the linear balloon in a sleeving mode, the hardness of the imbedding end of the flexible sheath tube is smaller than that of the operating end of the flexible sheath tube, and when the linear balloon is full, the linear balloon abuts against the inner wall of the flexible sheath tube, so that the sheath core body, the linear balloon and the flexible sheath tube are fixed into a whole.

This invention discloses a five-cavity urethral infusion catheter specifically designed for prostatectomy. The catheter includes a tube body with five independent cavities: a urination cavity for draining urine, distally connected to a drainage orifice; a urethral infusion cavity for infusing medication, distally connected to a urethral infusion orifice; a first balloon inflation cavity, distally connected to a first balloon for fixation in the bladder trigone; a second balloon inflation cavity, distally connected to a second balloon for urethral closure; and a third balloon inflation cavity, distally connected to a third balloon for compressing the prostatectomy wound. The third balloon, located between the first and second balloons, is apple / pear shaped and, when inflated, conforms to the prostatectomy wound. This invention, through its innovative three-balloon design and five-cavity structure, solves problems such as incomplete postoperative hemostasis and difficulty in medication infusion. The specially designed apple / pear shaped balloon can precisely compress the wound, and in conjunction with the medication infusion channels, significantly improves surgical outcomes.

The utility model discloses an inflation compression device, which belongs to the technical field of nursing devices, and comprises a compression mechanism and a balloon inflation part matched with the compression mechanism for use, the compression mechanism comprises a support frame, an air bag compression part, a drainage tube fixing part and a bandage assembly, the air bag compression part is connected to the rear side of the supporting frame, the drainage tube fixing part is connected to the inner side of the center of the supporting frame, the bandage assembly is connected with the two side edges of the supporting frame, and the air bag compression part comprises a plurality of annular air bags and an inflation inlet. According to the mode, the annular air bag on the outermost layer is inflated, so that the expanded annular air bag slightly compresses the chest skin of a patient, and diffusion and transfer of subcutaneous emphysema can be prevented; when a medical worker finds subcutaneous emphysema, the annular air bags at different positions are sequentially inflated from outside to inside, and the subcutaneous emphysema is pushed to move towards an incision through compression until the subcutaneous emphysema moves to the incision, so that the auxiliary treatment of the subcutaneous emphysema is effectively realized.

The invention provides an in-aorta balloon counterpulsation system control method based on hemodynamics, and relates to the technical field of medical system control. According to the method provided by the invention, hemodynamic monitoring signals of a target user are obtained in real time, wherein the hemodynamic monitoring signals comprise the total heart end diastole volume, the rate of variation per stroke, extravascular lung water and the heart index; the basic counterpulsation blood volume of the target user is determined according to the volume of the full heart diastole; optimizing the basic counterpulsation blood volume according to the variation rate per stroke, the extravascular lung water and the heart index to obtain a target counterpulsation blood volume of the target user; according to the target counterpulsation blood volume of the target user, the balloon inflation volume of the balloon counterpulsation system in the aorta is determined. According to the method, accurate determination of the balloon inflation volume of the balloon counterpulsation system in the aorta can be achieved, the processing efficiency and accuracy are improved, and the use requirements of different users are met.

The application provides a balloon inflation control method, a medical balloon system and a storage medium. The method is executed by a microprocessor, and the method comprises the following steps: the microprocessor controls a power system to inject inflation medium into a balloon at an initial inflation speed; whether the balloon is inflated to completion is determined according to a proximal end blood pressure value detected by a first sensor and / or a balloon internal pressure value detected by a second sensor, or an actual inflation volume of the balloon; when the inflation is completed and a first preset time elapses or the proximal end blood pressure value reaches a first preset value, the microprocessor controls the power system to release the balloon, so that the balloon internal pressure value detected by the second sensor reaches a second preset value; after the balloon internal pressure value remains the second preset value for a second preset time, the microprocessor acquires the proximal end blood pressure value detected by the first sensor after the second preset time; and the microprocessor controls the power system to adjust the inflation amount of the balloon according to the relationship between the proximal end blood pressure value and a standard value.

This invention relates to a urinary catheter for post-prostatectomy, comprising an outer sheath, a catheter disposed inside the outer sheath, and an expansion component disposed on the surface of the outer sheath. Compared with the prior art, this invention, through the protruding structure on the surface of the balloon, allows the doctor to achieve hemostasis on the wound after prostatectomy via the balloon. The protruding structure can closely fit the uneven interior of the wound after surgery, resulting in better hemostasis compared to the smooth balloon surface in the prior art. At the same time, since the interior of the protrusion is connected to the interior of the balloon, the expansion size of the protrusion during the balloon inflation phase can be affected by the unevenness of the wound surface, avoiding excessive pressure on the post-operative wound area. In addition, the design of multiple sub-protrusions can increase the contact area after the balloon is filled with water or air, resulting in better compression hemostasis.

The invention provides an in-aorta balloon counterpulsation system control method based on hemodynamics, and relates to the technical field of medical system control. According to the method, hemodynamic monitoring signals of a target user are obtained in real time, and then the heart index of the target user is determined; under the condition that the heart index of the target user is smaller than a first threshold value, the counterpulsation proportion of the in-aorta balloon counterpulsation system is set to be 1: 1, and the balloon inflation volume of the in-aorta balloon counterpulsation system is increased. According to the method provided by the invention, the cardiac output of the target user is obtained through the hemodynamics monitoring module, and then the cardiac index of the target user is determined according to the cardiac output, so that real-time automatic control of the counterpulsation proportion and the inflation volume of the balloon of the in-aorta balloon counterpulsation system can be realized based on the cardiac index and the first threshold value; the treatment efficiency is improved and the use cost is reduced.

The present application relates to meteorological balloon inflation control field, disclose a kind of flat drift balloon inflation quantity simulation method, system and storage medium, comprising: obtaining the measured parameter of flat drift balloon;Obtain the release parameter of flat drift balloon, the release parameter includes target flat drift height;Obtain the virtual inflation quantity of flat drift balloon;Establish the mathematical coupling model of flat drift balloon, import the measured parameter, release parameter, virtual inflation quantity, calculate the simulation state of every step length after flat drift balloon is released, the simulation state includes simulation height;The simulation height of outer balloon is judged, if the simulation height of outer balloon is less than the target flat drift height, then continue to calculate the simulation state of next step length of flat drift balloon, if the simulation height of outer balloon is greater than or equal to target flat drift height, then calculate the simulation inflation quantity of flat drift balloon.The present application solves the problem of existing inflation method waste time and instrument, low degree of automation.

1. The name of the design product: balloon inflator. 2. The use of the design product: for balloon inflation. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: perspective view 1.

The utility model relates to a retroperitoneal cavity dilatation balloon which comprises a balloon body which is not transmitted by X rays and has mark colors, an inflation device and a connecting pipe communicated with the balloon body and the inflation device, and the inflation device is used for controlling inflation gas flow and further controlling inflation capacity. The balloon and the connecting pipe are detachably connected in a sealed mode through a first connecting device, and the inflating device and the connecting pipe are detachably connected in a sealed mode through a second connecting device; a pressure relief device is fixed to the inflation device and used for relieving pressure when inflation pressure is larger than preset inflation pressure so as to prevent the balloon from being broken. And the inflating device and the pressure relief device are electrically connected with the controller. According to the retroperitoneal cavity expansion balloon, the inflation capacity and pressure of the balloon can be controlled, the balloon is prevented from being broken, and parts can be conveniently detached and replaced and fragments of the balloon can be conveniently found.

The invention provides a meteorological balloon inflating and shaping device and an inflating and shaping method. The meteorological balloon inflating and shaping device comprises a shaping box filled with a liquid medium. A plurality of layers of floating balls are laid in the shaping box body; an assembly notch is formed in one end of the shaping box body, and an inflation assembly is slidably assembled in the assembly notch; the inflation assembly comprises positioning sliding blocks, positioning shafts connected with the positioning sliding blocks and an inflation head connected between the two positioning shafts in a damping mode. And an inflation adjusting valve is assembled on the inflation head. According to the meteorological balloon, the bottom contact points of the meteorological balloon are supported through the multiple layers of floating balls, so that the meteorological balloon has a flexible expansion space in the inflation process, comprehensive expansion is achieved, the meteorological balloon is not wetted by a liquid medium, the inflation angle of the inflation head changes along with expansion, manual intervention is reduced, and the overall thickness uniformity rate meets the standard requirement. In addition, the invention further provides an air inflation shaping method, by means of the method, the workload of workers is greatly reduced, the manufacturing cost is reduced, and the qualified rate of finished products is increased.

The present application relates to the field of training device, and discloses a lung function rehabilitation training device, which comprises a shell with a training cavity inside, an observation window is arranged on one side of the shell, a balloon is arranged in the training cavity, a training pipe with one end communicated with the balloon is arranged on the shell, and a blowing nozzle is arranged on the other end of the training pipe; an exercise grading mechanism is arranged in the training cavity, the exercise grading mechanism comprises a hanging plate and a support part arranged on the inner wall of the training cavity, the support part makes the training cavity have multiple grading cavities, and the hanging plate is supported in the grading cavities during the inflation process of the balloon. Through the cooperation between the balloon and the training pipe, the lung expiration training is realized; the support part is arranged to form multiple grading cavities, so that the expiration training grading of different standards is realized, and the hanging plate is matched to facilitate the intuitive understanding of the training standards and training conditions of the corresponding stages, so that the patient can automatically match the appropriate training standards according to the appropriate conditions during the lung training, so as to automatically synchronize the training results and training standards to improve the best training effect.

The invention relates to the field of medical instruments, in particular to a multifunctional outer sleeve for colonoscopy. Comprising an inner sleeve and a balloon, the balloon is installed on the upper portion of the outer side of the inner sleeve, and the balloon comprises an expansion part; the inner sleeve comprises two cavities, namely a main cavity and an inflation cavity; a one-way valve is arranged at the bottom of the main cavity and used for being inserted into the colonoscope, and one-way sealing is achieved when the colonoscope is pulled out. The inflating cavity is communicated with the balloon through the communicating port and is used for inflating and deflating the balloon; a balloon inflation tube is further arranged and connected with the inflation cavity. The three pain points of pain, gas leakage and out-of-control intestinal pressure in traditional colonoscopy are effectively solved, and the comfort level of a patient, the examination safety and the operation efficiency are remarkably improved.

The invention relates to an inflation early warning device for a lift-off balloon, and belongs to the technical field of hydrogen filling. In the lift-off balloon inflation early warning device, a pressure sensor, an alarm, a smoke temperature detector and a concentration detection unit are all connected with a controller; the pressure sensor is used for monitoring and displaying pressure information of the gas conveying pipeline in real time; the alarm is used for sending out an alarm signal; the smoke temperature detector is connected with the controller, the smoke temperature detector is used for monitoring the smoke concentration and temperature change of a gas filling area, the concentration detection unit is used for detecting the concentration of filled gas, and the stop valve is used for cutting off gas conveying in the gas conveying pipeline. Therefore, according to smoke concentration and temperature information acquired by the smoke temperature detector or hydrogen concentration information acquired by the concentration detection unit, the air inflation early-warning device for the lift-off balloon can send out alarm information prompt when a fire-fighting dangerous case occurs, so that the stop valve is closed in time according to the alarm information, and the safety in the air inflation process is improved; and the safety accident risk during hydrogen filling is reduced.