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278 results about "Balloon" patented technology

In aeronautics, a balloon is an unpowered aerostat, which remains aloft or floats due to its buoyancy. A balloon may be free, moving with the wind, or tethered to a fixed point. It is distinct from an airship, which is a powered aerostat that can propel itself through the air in a controlled manner.

Capsuled balloons and inflation devices for such capsuled balloons

A system includes a capsuled balloon and an inflation device. The capsuled balloon includes a balloon encased within a capsule while an inflation tube of the balloon remains outside of the capsule, and the inflation device includes an interface that opens out of the device along an axis and comprises locking arms. The capsuled balloon at its boundary region is located within the interface with the inflation tube oriented generally along the device's axis, and the locking arms of the interface engage the inflation tube in order to fix it in place.
Owner:HAPPY LOON LTD

Composite woven balloon not prone to layering and preparation method thereof

The invention relates to the technical field of medical interventions, and discloses a difficult-to-layer composite woven balloon and a preparation method thereof, the difficult-to-layer composite woven balloon comprises an inner balloon and a fiber line structure woven on the outer surface of the inner balloon; the fiber thread structure is divided into warp threads and weft threads, the fiber threads extending in the diameter direction of the balloon are the warp threads, and the fiber threads extending in the axial direction of the balloon are the weft threads; the inner balloon is sequentially subjected to surface treatment, primer treatment, fiber weaving, surface treatment, surface sizing and surface curing treatment. The preparation process does not need complex special equipment, the material requirement is reasonable, the repeatability is high, the production difficulty and cost are reduced, convenience is provided for large-scale application of the material, and the material has extremely high practical value and popularization potential in medical scenes such as vascular stenosis dilation and calculus dilation pathway establishment.
Owner:SUZHOU BEYO MEDICAL TECH CO LTD

Actively actuatable valves for aerostat buoyancy control

According to one aspect, an aerostat may include an inflatable structure including a balloon and a neck collectively defining a volume, a valve including a funnel supportable in the neck and defining a first opening, a second opening, and a cavity therebetween, the cavity in fluid communication with the volume via the second opening, a stem defining a channel at least partially outside of the inflatable structure, a stopper disposed in the cavity, a rod coupled to the stopper and at least partially disposed in the channel, and an actuator electrically actuatable to move the rod relative to the channel such that the stopper moves relative to the first opening of the cavity to control fluid communication between the volume and the channel via the cavity.
Owner:LTAG SYSTEMS LLC

Aerial LED screen and aerial LED display system

The utility model discloses an air LED screen and an air LED display system, relates to the technical field of display screens, can be applied to a mooring helium balloon, and specifically comprises a plurality of LED light source sets connected to the surface of the mooring helium balloon through connecting pieces, and each LED light source set comprises a plurality of LED point light sources; and the main controller responds to a control instruction received by the communication module and sends a control signal to the sub-controllers, so that the sub-controllers control the LED point light sources in the LED light source groups connected with the sub-controllers. The buoyancy provided by the helium balloon can drive the LED screen arranged on the helium balloon to lift off, so that the limitation of a traditional ground display mode is broken through; moreover, after the power interface is connected with a power supply, a user can control the light-emitting state of the LED dot matrix on the surface of the tethered helium balloon through the main controller and the sub-controller, and finally an all-dimensional, high-quality and stable aerial image display task is achieved.
Owner:DESIGN NEW VISION (BEIJING) EXHIBITION TECHNOLOGY CO LTD

Delivery apparatus for a prosthetic valve

PCT designated stageWO2025207668A1StentsBalloon catheterProsthetic valveProsthesis
Delivery apparatuses including a shaft configured to receive a radially compressed prosthetic device and transfer torque from a balloon shaft to a proximal end of an inflatable balloon of the delivery apparatus are disclosed. A delivery apparatus for a prosthetic device can comprise a rotatable first shaft, a second shaft extending through the first shaft and beyond a distal end of the first shaft, an inflatable balloon arranged around a distal end portion of the second shaft, a crimp balloon extending from the first shaft to the inflatable balloon, around the second shaft, and a third shaft extending along the crimp balloon and having a first end coupled to the distal end of the first shaft. A proximal end of the inflatable balloon is coupled to the third shaft, the second shaft extends through the third shaft, and the third shaft is configured to bend.
Owner:EDWARDS LIFESCIENCES CORP

High-altitude power generation equipment and system

The invention provides high-altitude power generation equipment and system, the high-altitude power generation equipment comprises a wind driven generator, a floater and a lightning protection cage body of a closed structure, and the wind driven generator and the floater are both arranged in the lightning protection cage body; the floating device is cylindrical, helium is filled in the floating device, the wind driven generator is arranged in the cylinder of the floating device, and a rotating shaft of the wind driven generator and the floating device are coaxially arranged. According to the high-altitude power generation equipment provided by the invention, the lightning protection cage body is arranged outside the wind driven generator and the floater, and the wind driven generator and the floater can be protected through the lightning protection cage body, so that the risk that the wind driven generator and the floater are struck by lightning is avoided, and the safety of the high-altitude power generation equipment is enhanced; therefore, the high-altitude power generation system can be used in all weathers. Meanwhile, the floating device of the high-altitude power generation equipment is filled with helium, and compared with the prior art that a hydrogen balloon is adopted as the floating device, helium is adopted, so that the high-altitude power generation equipment is safer.
Owner:CHONGQING VOCATIONAL COLLEGE OF TRANSPORTATION

System and method for pressure monitoring within a catheter system

A catheter system for treating a treatment site includes an energy source, a balloon, an energy guide, and a pressure sensor. The balloon is positionable substantially adjacent to the treatment site. The balloon has a balloon wall that defines a balloon interior that receives a balloon fluid. The energy source generates energy that is received by the energy guide so that the energy guide can guide the light energy into the balloon interior. The pressure sensor senses a balloon pressure of the balloon fluid. A method for disrupting calcification at the treatment site includes the steps of generating energy with an energy source, positioning a balloon substantially adjacent to the treatment site, the balloon having a balloon wall that defines a balloon interior, the balloon interior being configured to receive a balloon fluid, receiving energy from the energy source with an energy guide, guiding the energy from the energy source into the balloon interior with the energy guide; and sensing a balloon pressure of the balloon fluid with a pressure sensor.
Owner:BOSTON SCIENTIFIC SCIMED INC

Drug delivery device in human body

The invention discloses a drug delivery device in a human body cavity, which comprises an inflatable balloon, at least one part of the outer wall of the balloon is provided with a protective shell, the balloon is provided with an inner cavity, and the protective shell can be dissolved by specific body fluid in the human body cavity; the triggering part is arranged in an inner cavity of the balloon, and the triggering part can react with body fluid to generate fluid to inflate the balloon when making contact with the body fluid, so that the inflated balloon is tightly attached to the wall of a body cavity; the propelling part is arranged in the inner cavity of the balloon and comprises a tissue penetrating component, and the triggering part can generate power to propel the tissue penetrating component; and the containing part is used for containing a medicine preparation, and the triggering part can push and press the liquid medicine preparation contained in the containing part into the pushing part after the balloon is inflated, and injects the liquid medicine preparation into the inner wall tissue of the human body cavity through the tissue penetrating component. By means of the device, macromolecular drugs or preparations can be injected into the inner wall of the human body cavity, such as the tissue of the intestinal wall.
Owner:JINGWEI (SHANGHAI) PHARMACEUTICAL CO LTD

Anti-slip dilatation balloon

The utility model discloses an anti-slip dilatation balloon, which relates to the technical field of medical balloons, and comprises a sheath tube, a balloon and a soft head, the balloon is fixed between the sheath tube and the soft head, the two ends of the balloon are respectively and fixedly connected with the sheath tube and the soft head, fiber lines are arranged on the surface of the balloon, the fiber lines are divided into transverse limit lines and longitudinal limit lines, and the transverse limit lines and the longitudinal limit lines are connected with the soft head. The balloon is provided with the fragrance line which enables the balloon to deform, so that the balloon has good anti-falling and anti-skidding effects when the balloon is used for expanding a channel, the balloon is prevented from sliding off and moving, the expansion effect is prevented from being affected, gas on the two sides of the balloon can circulate, and the balloon is prevented from falling off and sliding off when the balloon is used for expanding the channel. The air pressure difference between the two sides of the expansion channel is eliminated, pain of a patient is reduced, the balloon can serve as a mark of the insertion depth and slippage, and medical staff can judge conveniently.
Owner:ZHEJIANG CHUANGXIANG MEDICAL TECH CO LTD

Balloon forming machine

The application discloses a balloon forming machine and relates to the technical field of medical equipment manufacturing.The balloon forming machine comprises a base, a sliding cavity is formed in the base, an air inlet seat and a clamping seat are slidably connected to the two sides of the sliding cavity, a temperature control seat is slidably connected between the air inlet seat and the clamping seat, a first air cylinder is installed in the sliding cavity, the first air cylinder is located on the two sides of the air inlet seat and is symmetrically arranged, a mold cavity is formed in the temperature control seat, a heat exchange cavity is also formed in the temperature control seat, two temperature control pipes are inserted into the heat exchange cavity, one end of the two temperature control pipes away from the heat exchange cavity is connected with a water supply assembly, a plug fixing block is slidably connected to the end of the temperature control seat away from the air inlet seat, and a second air cylinder is installed in the sliding cavity.The application reduces the problem of the decrease in the balloon forming precision caused by improper manual operation or external environmental interference during the process of moving the balloon from a heating device to a cooling device in the production process of a balloon tube blank, and improves the balloon forming quality and stability.
Owner:SHANGHAI HAOFENG MEDICAL TECH CO LTD

Aneurysm treatment device

ActiveCN116807545BOcculdersAneurysm treatmentBiomedical engineering
The present application relates to an aneurysm treatment device for implanting into an aneurysm, comprising: a balloon including a hollow balloon body, the balloon body being inflatable or contractible, the balloon body having an opening, the balloon body being capable of entering into the aneurysm, the balloon body being capable of allowing filling or discharging of contrast agent; and an inflation assembly arranged in the balloon body, the inflation assembly being used for supporting the balloon body and opening or closing the opening, the inflation assembly being capable of sealing the balloon body when the inflation assembly closes the opening; when the balloon body is filled with the contrast agent, the balloon body is inflated and an outer wall thereof is capable of abutting against at least part of an inner wall of the aneurysm; when the balloon body discharges the contrast agent, the balloon body is contracted and a negative pressure effect is capable of reducing the aneurysm. Thus, the size of the aneurysm can be reduced after the operation, and the aneurysm space occupation can be avoided.
Owner:MICROPORT NEUROTECH SHANGHAI

Negative pressure ball sealing structure

The utility model discloses a negative pressure ball sealing structure, which comprises a balloon and a sealing structure, the sealing structure comprises an inner gland and an outer gland, the upper part of the balloon is provided with a discharge port, the lower part of the discharge port is provided with a limiting convex ring, the inner gland comprises a convex head part, an embedded section and an abutting section, the lower surface of the limiting convex ring is matched with the upper surface of the abutting section, the outer gland penetrates through the convex head part and then is embedded outside the embedded section, and the combination height of the limiting convex ring and the outer gland is larger than the length of the embedded section, so that the top of the outer gland abuts against the convex head part. A plurality of supporting ribs are evenly distributed in the annular cover part and make contact with the balloon. The outer gland comprises an embedded part and an annular cover part, the annular cover part covers the top of the balloon, the top of the embedded part abuts against the protruding head part, and the inner diameter of the embedded part is sequentially increased from top to bottom. A gasket is arranged on the upper surface of the balloon and arranged between the balloon and the outer gland. The problems that an existing negative pressure ball is complex in assembling process, a sealing structure is prone to falling off, and the sealing performance is poor are solved.
Owner:HUNAN SANRUI BIOTECH LLC

A high-spin flying body flight parameter multi-field synchronous measurement and fusion method and system

The application discloses a high-rotation flying body flight parameter multi-field synchronous measurement and fusion method and system, the method utilizes a meteorological balloon to detect atmospheric parameters such as air pressure, temperature, humidity and wind direction and wind speed under current atmospheric conditions, arranges an unmanned aerial vehicle array networking as a relay node of a communication link, forms a data transmission link of a measuring device and a ground computing center, and performs positioning and monitoring on a flying body landing point. Under a unified space-time reference, target field distributed measurement and in-situ measurement data are subjected to "real-time + after-the-fact" information fusion, and the estimation precision of the whole trajectory flight parameters of the high-rotation flying body is improved. The method overcomes the limitations of conventional target field testing devices and testing means, and has the advantages of high time resolution, high spatial resolution, high signal signal-to-noise ratio, high information availability and high system integration.
Owner:BEIJING INST OF TECH

Pleating and folding integrated device

The pleating and folding integrated device comprises a base, a rotating disc and a plurality of pleating heads, and the base is used for clamping and fixing a balloon; the turntable is rotatably connected to the base and is used for realizing rolling, holding and folding of the balloon; the multiple pleating heads are movably installed on the rotary disc so that pleating of the balloon can be achieved. After the balloon is pleated, the balloon is directly folded, the folding effect is better, the step of transferring the balloon in the pleating and folding process is omitted, the situation that the balloon is scratched due to the fact that the balloon is transferred between different working heads can be avoided, the phenomenon that a hydrophilic coating or a medicine coating of the balloon is incomplete or falls off is prevented, and the balloon is more stable in performance. The product pleating and folding qualification rate is improved, and the operation effect is prevented from being affected.
Owner:ESSEN TECH (BEIJING) CO LTD

A shockwave balloon device

The application relates to the technical field of medical devices, in particular to an impact wave balloon device which comprises a handle structure and a balloon structure arranged in sliding mode with the handle structure; wherein the handle structure comprises a handle arranged at a proximal end and an outer tube fixedly arranged at a distal end of the handle; wherein a sliding button is arranged in sliding mode on the handle and fixedly connected with a proximal end of the balloon structure; the balloon structure comprises an intermediate tube fixedly connected with the sliding button at a proximal end, an inner tube fixedly coaxially sleeved on the inside of the intermediate tube, a balloon fixedly arranged at a distal end of the intermediate tube and a tip tube fixedly arranged at a distal end of the balloon; the special-shaped balloon is arranged in the middle of three leaflets, the balloon is matched with the special-shaped clamping arm, the trauma to the patient is reduced, and the visual operation of the doctor is improved.
Owner:JIANGSU REYNOLDS MEDICAL TECH CO LTD

Enclosed structure of a balloon, balloon system and method of manufacturing thereof

This invention discloses a closure structure for a balloon, a balloon system, and a method for manufacturing the same. The balloon includes a balloon wall, and the closure structure includes a guide assembly that penetrates and connects to the balloon wall. The connection point between the guide assembly and the balloon wall serves as an interface for the balloon. The guide assembly has a guide channel configured to temporarily accommodate a guide, the guide channel including a first opening located on the outer side of the balloon wall, and the guide assembly including a first end located on the outer side of the balloon wall and surrounding the first opening. The closure structure of this invention can distribute the forces borne by the closure structure onto the balloon wall, ensuring good sealing after catheter withdrawal.
Owner:BLUESAIL SURGICAL CO LTD

Simulated hot-air balloon experience system and method for realizing same

The invention discloses a simulated hot-air balloon experience system which comprises a hot-air balloon taking cabin and MR visual interaction intelligent glasses. The MR visual interaction intelligent glasses are internally provided with a display device with a display function and a taking cabin real scene storage module storing a fire balloon taking cabin real scene. The control unit is used for controlling interaction between the riding cabin live-action storage module and the outdoor live-action storage module and displaying the riding cabin live-action and the outdoor live-action in the display device, and the display device, the riding cabin live-action storage module and the outdoor live-action storage module are all in signal communication with the control unit. And the riding cabin live-action storage module is in signal communication with the outdoor live-action storage module. According to the simulated hot-air balloon experience system and the method for realizing the system, the effect of hot-air balloon travel can be experienced in a common environment, and the requirement that the hot-air balloon travel can be experienced without going outdoors is met.
Owner:周骏

Methods of manufacturing nested balloons utilizing pressurized constrained annealing

A nested balloon is provided where each balloon is formed from tubing that optimizes the inner wall stretch thus providing maximum balloon strength. The high pressure, nested balloon is provided with layers that allow for slipping, such that the balloon has a very high pressure rating and toughness, yet excellent folding characteristics. Methods for producing such nested balloons using existing balloon forming equipment are also provided. The nested balloons can have layers with low-friction surfaces. The nested balloons are preferably manufactured using a variety of methods, including pressurized constrained annealing.
Owner:CONFLUENT MEDICAL TECHNOLOGIES INC

Balloon detection apparatus, balloon detection method, device and medical apparatus

The application provides a balloon detection device, a balloon detection method, a device and medical equipment, and belongs to the field of medical equipment. The balloon detection device comprises a balloon, a first pressure sensor, a balloon control component and a state detection component. The balloon is configured to block a first pipe body in a filling state. The first pressure sensor is arranged inside the balloon. The balloon control component is configured to perform filling or discharge operation on the balloon. The state detection component is used to output whether the balloon is damaged based on the working state of the balloon control component and the detection result of the first pressure sensor. Based on the detection result of the first pressure sensor under different working states, each working state of the balloon control component can be monitored in real time, so as to reduce the risk of accidents caused by leakage or rupture of the balloon during use to a certain extent.
Owner:PULNOVO MEDICAL WUXI

Near-space operation systems

ActiveUS12715589B2Classical mechanicsBalloon
A system enabling safe manned and unmanned operations at extremely high altitudes (above 70,000 feet). The system utilizes a balloon launch system and parachute and / or parafoil recovery.
Owner:WORLD VIEW ENTERPRISES

Parachute cabin isolation device capable of stopping rotation and installing balloon parachute and installation method thereof

The present invention discloses a parachute compartment isolation device capable of preventing rotation and installing a balloon parachute. The device is characterized in that the parachute compartment isolation device includes a main cover plate; the main cover plate is provided with a plurality of anti-rotation pin mounting holes, balloon parachute mounting holes, secondary parachute connecting holes, and parachute compartment connecting piece mounting holes, for correspondingly installing the anti-rotation pin, primary balloon parachute, secondary parachute, and parachute compartment connecting piece; wherein one end of the anti-rotation pin is fixed in the anti-rotation pin mounting hole, and the other end is fixed in the parachute compartment mounting hole, so as to prevent the parachute compartment isolation device and the parachute compartment from rotating relative to each other when the weapon or ammunition enters high-speed rotation after firing. The present invention also provides a method for installing a parachute compartment isolation device capable of preventing rotation and installing a balloon parachute. The present invention can prevent the parachute compartment isolation device and the parachute compartment from rotating under decelerated load and high-speed working conditions, prevent the parachute compartment isolation device connecting piece from twisting off, and ensure that the parachute system operates according to the working procedure.
Owner:XIANGYANG HONGWEI AIRCRAFT

Anti-falling adjustable blood oxygen clip finger sleeve

This utility model relates to the field of wearable medical device technology, and discloses an adjustable pulse oximeter finger clip that prevents slippage. It includes a lower housing and a detector. A central shaft is rotatably connected to the top center of the lower housing, and an upper housing is rotatably connected to the outside of the central shaft. An airbag is fixedly connected to the front outer side of the lower housing, and a connecting tube is fixedly connected to the inside of the lower housing. A balloon is fixedly connected to the rear side of the lower housing, and a one-way valve is provided at the rear end of the balloon. A spring plate is fixedly connected to the inside of the balloon, and an adjustment component for deflating the airbag is provided at the top of the balloon. In this utility model, the airbag can compress and wrap around the finger, adapting to measurements of different finger sizes, preventing the finger clip from loosening, and improving measurement accuracy. The Velcro closure, with its barbed and textured surfaces, adheres to the finger clip, increasing its stability and preventing slippage.
Owner:NANJING FIRST HOSPITAL

Air pressure monitoring and adjusting equipment and air pressure monitoring and adjusting method for trachea cannula balloon

The invention discloses trachea cannula balloon air pressure monitoring and adjusting equipment and an air pressure monitoring and adjusting method, and relates to the field of trachea cannula equipment. The reciprocating driving assembly drives the piston to reciprocate in the air pressure pipe, when the piston moves towards the outer side end of the air pressure pipe, the piston can suck outside air into the air pressure pipe through the one-way air inlet valve, when the piston moves towards the inner side end of the air pressure pipe, the piston conveys the sucked air to the balloon through the one-way air outlet valve and the air guide pipe, and reciprocating is conducted in this way; the piston is driven to reciprocate in the pneumatic tube to continuously inflate the balloon, so that the balloon is gradually bulged and flexibly supported in the trachea, the cannula is positioned, meanwhile, the air pressure in the tube and the balloon is monitored through the air pressure monitoring mechanism, and when it is monitored that the air pressure value reaches a preset value, inflation is stopped. Therefore, the inflation pressure of the balloon can be accurately controlled through the cooperation of automatic inflation and air pressure monitoring, and the comfort and the stability of tracheal intubation are improved.
Owner:SHAOXING REBORN MEDICAL DEVICES CO LTD

Positioning device, perforation system and balloon perforation method

The present application relates to a positioning device, a perforation system and a balloon perforation method, the positioning device comprising a main body part and a fixing part, the main body part having a containing chamber and a chamber entrance communicating with the containing chamber, the main body part having a hollowed-out area provided with a hollowed-out unit hole communicating with the containing chamber, and the fixing part being arranged on the main body part. The main body part can fix and contain a balloon in an expanded state, and part of the surface area of the balloon is exposed through the hollowed-out unit hole of the hollowed-out area on the main body part. After the balloon is fixed, the exposed surface area of the balloon can be subjected to a perforation operation through the hollowed-out unit hole, and a designed regular breaking hole is processed. The balloon is delivered to a lesion position, and the liquid medicine in the balloon can be accurately released to the lesion position through the breaking hole, so as to achieve accurate release of the medicine, solve the problems of poor accuracy and rough release amount control caused by non-discriminatory coverage treatment, reduce the use of medicine, and effectively avoid waste of medicine and reduce medical costs.
Owner:SHANGHAI MICROPORT MEDICAL (GROUP) CO LTD

Blocking air bag capable of guiding flow

The utility model relates to a plugging air bag capable of guiding flow, which comprises an air bag body, the air bag body is provided with a through flow guiding pipe, a through detection pipe and a through wire harness pipe, the flow guiding pipe, the detection pipe and the wire harness pipe are respectively connected with the air bag wall through which the flow guiding pipe, the detection pipe and the wire harness pipe penetrate in a sealing mode, and the flow guiding pipe is located on the lower portion of the air bag body. The detection pipe and the wire harness pipe are located on the upper portion of the air bag body, and a flange used for pipeline connection is arranged at the outer end of the flow guide pipe and used for being connected with a water guide pipeline. According to the utility model, the laying length of the water guide pipeline is effectively reduced, the operation is facilitated, the construction influence range is reduced, the efficiency is improved, the construction period is shortened, and the device is mainly used for upstream and downstream pipeline end sealing in underground pipeline construction.
Owner:BEIJING HEHAIQINGYUAN ENVIRONMENTAL PROTECTION SCI & TECH CO LTD +1

Floater control system, Floater

A floating craft control system that controls floating craft floating in the atmosphere. [Solution] This is a floating machine control system that controls a floating machine floating in the atmosphere. The floating machine has a power generation device that generates electricity using solar power, a power storage device that stores the electricity generated by the power generation device, a levitation device with balloons that use gas lighter than the atmosphere on the ground, and a propulsion device that uses the power from the power storage device to propel the machine through the air. Furthermore, the floating machine control system has a navigation control system that controls the levitation device and propulsion device and uses air currents in the atmosphere to move the machine to its destination.
Owner:KABUSHIKI KAISYA LEBEN

Forced air leakage testing assembly

A forced air leakage testing assembly includes a plurality of intake covers that can each be fitted over an air intake of a respective type of air handler of a forced air heating and cooling system. A flange is attachable to a respective one of the plurality of intake covers and the flange is attachable to an exhaust hose of a source of forced air to direct forced air into the air intake over which the respective intake cover is positioned. A plurality of register covers is each positionable over a respective air register thereby inhibiting air from flowing through the respective air register. A balloon is inflatable to seal a floor register when the balloon is inserted into the floor register and inflated thereby inhibiting air from exiting the floor register.
Owner:WILSON ZACHERY

Novel balloon puncture sheath

The utility model relates to a novel balloon puncture sheath which comprises a puncture sheath body and a balloon structure, and a puncture sheath tube is arranged on the lower portion of the puncture sheath body. A balloon structure is arranged on the periphery of the puncture sheath tube and comprises an annular balloon, an upper connecting tube section and a lower connecting tube section. The upper connecting tube section and the lower connecting tube section are sleeved and adhered to the periphery of the puncture sheath tube; a connecting channel extending up and down is arranged on the tube wall of the puncture sheath tube, the top end of the connecting channel is communicated with a balloon air injection opening formed in the top end of the puncture sheath tube, and the bottom end of the connecting channel is communicated with the cavity. Due to the design of the upper connecting pipe section and the lower connecting pipe section, the bonding area of the balloon structure and the puncture sheath pipe is reduced, and the product reject ratio caused by the bonding problem is reduced.
Owner:SURGAID MEDICAL XIAMEN CO LTD

Variable-cavity breathing balloon

The utility model relates to the technical field of breathing support auxiliary instruments, and provides a variable-cavity breathing balloon which comprises a folding balloon, two extrusion plates and a plurality of crease parts, an air cavity is formed in the folding balloon, the volume of the air cavity is changed when the folding balloon is compressed or expanded in the axial direction of the folding balloon, and the folding balloon is sunken inwards in the radial direction of the folding balloon to form the crease parts. The multiple crease parts are arranged at intervals along the axis of the folding balloon, and the two extrusion plates are arranged at the two ends of the folding balloon in the axial direction respectively and are both perpendicular to the axial direction of the folding balloon. When in use, the folding balloon can be compressed oppositely through the two extrusion plates, so that the length of the folding balloon in the axial direction is reduced, through the multiple crease parts, the multiple crease parts can be close to one another when the folding balloon is compressed, the shape after compression is controllable, arrangement is convenient, and due to the fact that creases cannot be generated on the portions except the crease parts, the folding balloon is not prone to falling off. The breathing bag is easy to recover after long-term storage, and the elasticity loss of the breathing bag is small.
Owner:SHENZHEN PEOPLES HOSPITAL

Starry sky tent device suspended in air

The utility model discloses a starry sky tent device suspended in the air. The device comprises a helium balloon, a starry sky tent main body, a landing platform, traction steel cables and an elevator, wherein the helium balloon is located at the top and provides overall buoyancy of the whole device; the starry sky tent main body is located in the middle; according to the starry sky tent device, the starry sky tent can be always in a suspended state through buoyancy provided by the helium balloon on the top, basic life requirements and starry sky observation activities can be provided for users, and the stability and safety of the starry sky tent device suspended in the air can be guaranteed on the basis of the traction steel cable under severe weather conditions.
Owner:NANJING UNIV OF AERONAUTICS & ASTRONAUTICS