334 results about "Balloon" patented technology

A valve isolation tool for insertion through a vent duct and vent duct valve of a gas flow duct. The isolation tool includes an outer tube having proximal and distal ends, the outer tube having a diameter sized to extend through the vent duct and blocking valve. An inner tube having proximal and distal ends is arranged coaxially with and movable within the outer tube. An inflatable balloon is attached to the distal end of the inner tube, wherein the isolation tool outer tube is insertable through the vent duct to an opening in the gas flow duct. The inner tube is slidably insertable through the outer tube until the balloon is situated within a bore formed through the gas flow duct and is inflatable therein to block any gas leak through the gas flow duct.

A surgical balloon composed of an aseptically recovered umbilical cord vessel is provided. Methods of preparing a balloon and methods of using the same are also provided.

The invention relates to a cutting balloon. The cutting balloon comprises a balloon body and a telescopic cutting part, wherein the cutting part wraps the outer surface of the balloon body spirally inthe axial direction of the balloon body. The cutting balloon has the advantages that the cutting part wraps the outer side of the balloon body spirally, thereby improving the cutting effect, dispersing the rigid binding force of the cutting part on the balloon on a same horizontal line, and improving the transversability of balloon cutting; a connecting structure is of a spring spiral structure,thereby making it easier for the cutting part to conduct the axial elastic telescopic movement; a cutting assembly pin is of a hollowed-out structure, thereby improving the radial bending performancewithout weakening the axial supporting performance, and improving the transversability of balloon cutting; the cutting part has an outward protruding structure, thereby improving the cutting performance of the cutting balloon.

A portable launch rig (PLR) may include a support structure including two side supports defining an interior space for lifting and filling a balloon envelope of a balloon. Wheels on each of the side supports enable the PLR to be moved in various directions in order to prepare the PLR for launching the balloon. The side supports are connected by a lateral support beam having a pair of cranes arranged thereon. Each crane has an arm arranged over the interior space that is connected to a spreader beam. The spreader beam includes a lift assembly configured to lift and inflate the balloon envelope within the interior space. The PLR includes a platform and perch for supporting and moving the balloon envelope. A door assembly of the PLR includes a plurality of hangar doors configured to block wind from a respective direction of each hangar door entering the interior space.

The invention relates to a blood pressure measurement apparatus. The blood pressure measurement apparatus comprises a sleeve and a host connected with the sleeve. An upstream balloon and a downstream balloon are located on the flowing upstream and the flowing downstream of artery blood of the detected body, the downstream balloon is used for detecting change information of pulse signals, blood flow pulse changes caused by pressure changes of the upstream balloon are sensed in real time, and a microprocessor controls an air pump and an air release valve and processes pressure values, pulse signals or pressure values and pulse signals of one or two of the upstream balloon and the downstream balloon, wherein the pressure values, the pulse signals or the pressure values and pulse signals of one or two of the upstream balloon and the downstream balloon are detected by one or two of a first pressure sensor and a second pressure sensor respectively or simultaneously. According to the blood pressure measurement apparatus, the two inflating balloons are bonded to the limbs to perform pressurizing, pressure and pulse signals in the blood pressure measurement apparatus can be effectively detected, and thus blood pressure can be measured accurately and reliably, and measurement results are stable.

The invention discloses a multi-dimensional acousto-optic stage system based on an unmanned aerial vehicle (UAV) carrier. The system mainly comprises a helium balloon part, a ground station part, a UAV part and connecting cables, wherein the helium balloon part is suspended above the ground station part and pulled by the ground station part, the UAV part is partially connected to the helium balloon part, and the flight height is lower than that of a helium balloon. The multi-dimensional acousto-optic stage system based on the UAV carrier has the advantages that light and sound equipment and other equipment can be installed on a mobile UAV, and by flight of the UAV, carried equipment can move multi-dimensionally for flexibly rendering the desired stage effect, the light and sound effect is good, the audience involving feel is high, and interaction is good; according to the multi-dimensional acousto-optic stage system based on the UAV carrier, a ground station and the helium balloon are used, a battery load of the traditional UAV is transferred to the ground, and a power generator or a power grid can be used for supplying power, so that the endurance capacity of the UAV is improved; various outdoor mobile stages can be built conveniently by the aid of the mobile ground station.

The invention discloses a device used for carrying a lightweight remote sensing sensor and provided with a power helium balloon. The device is mainly used for carrying the lightweight remote sensing sensor to carry out a ground surface remote sensing monitoring task. The device comprises a flight module (1), a communication and control module (2), a first battery (3), a pan-tilt holder (4) and a ground control module (5). According to the device, the ground control module is adopted to control a line winding motor to release and control the device; since the helium balloon is adopted, on the one hand, buoyancy can be provided, and safety can be increased; since universal rotor wings are adopted, the direction of the device can be flexibly changed, and the device can have better maneuverability; a user does not need to worry about the missing of the device through collecting a control line; and a rotor wing unmanned aerial vehicle requires an opener airspace when taking off or landing, and however, the helium balloon and rotor wing protective screen of the device can protect the rotor wings, so that requirements for take-off and landing airspaces are lower, and therefore, the device can take off and land in woods and complex terrains.

The invention introduces a body cavity blocking device with a double-blocking effect, which comprises a guide wire, a conduit and a blocking object, wherein one end of the guide wire passes through the conduit and the body cavity of a blocking object; the far end of the blocking object and the guide wire are fixed; and an unfolded blocking object is axially compressed by drawing the near end of the guide wire so as to form a plug-shaped blocking object. The device is characterized in that: a balloon is arranged at the front end of the blocking object; the tail end of the conduit is provided with a Y-shaped seat, and a straight pipe of the Y-shaped seat is sleeved at the tail end of the conduit; and the guide wire passes through the straight pipe of the Y-shaped seat, and the drawing end of the guide wire extends outside the Y-shaped seat. The blocking device for blocking a barrier in the body cavity, provided according to the technical scheme, can be effectively applied to blockage, fixation and pulloff of thrombus and calculus in the body cavity.

The invention discloses an automatic control unmanned hot-air balloon. The automatic control unmanned hot-air balloon comprises a hot-air-balloon balloon, a combustor, a hot-air-balloon hanging cabin, airborne control equipment and an air exhausting amplitude operation mechanism, wherein the combustor is arranged in the balloon, the hot-air-balloon hanging cabin is located below the hot-air-balloon body and comprises a force bearing ring and a cabin body, the force bearing ring is provided with a connecting part, the cabin body is connected with the connecting part through pulling ropes to hang the connecting part on the lower portion of the force bearing ring, the balloon is connected with the connecting part through the pulling ropes to achieve connection of the balloon and the hot-air-balloon hanging cabin, the airborne control equipment and the air exhausting amplitude operation mechanism are arranged in the cabin body, the airborne control equipment comprises a combustor controller and an air exhausting amplitude operation controller, the combustor controller is used for controlling start and stop of a fuel valve to achieve ignition and combustion heating of the combustor, and the air exhausting amplitude operation controller is used for driving an actuator mechanism to move to achieve operation for the air exhausting amplitude operation mechanism. According to the automatic control unmanned hot-air balloon, the fact that levitation and falling are completed under a manual remote control working way can be achieved, flight is conducted in the designated area and the designated height, the control real-time property is high, and the control precision is high.

The invention discloses an overhead fixed-point continuous water spraying device based on a hot air balloon. The device comprises a hot air balloon body and a ground control assembly, wherein the ground control assembly comprises traction control mechanisms, power supply equipment, water supply equipment, monitoring equipment and a main controller; the hot air balloon body is connected with the traction control mechanisms by traction ropes; an aerial directional water spraying assembly is arranged on the hot air balloon body and is connected with and controlled by the ground control assembly. The device has the advantages of simple and compact structure, low cost, wide application range, good controllability, good fire extinguishment efficiency and the like.

The invention discloses a method for calculating dynamic response characteristics of a captive balloon, which comprises the following steps of: establishing a rigid body motion equation of the tethered balloon, namely determining kinematics and dynamics equations of the captive balloon relative to a centroid in a stable coordinate system by taking a captive balloon system as a mass point and taking the motion of the captive balloon system as rigid body motion; carrying out stress analysis on the captive balloon, and establishing a kinetic model of the captive balloon; determining expressions of the external force and the moment, performing summing and arranging to obtain a six-degree-of-freedom motion equation around the center of mass of the balloon; modeling two external wind fields of discrete gust and atmospheric turbulence, and providing wind field environment input for six-degree-of-freedom simulation of the captive balloon; loading the established atmospheric wind field model into a motion equation of the captive balloon in a function form to obtain a state space function, so that the state space function becomes a known control parameter which influences the motion state of the captive balloon; and solving the state space function to obtain a dynamic response process of the captive balloon under the condition of atmospheric wind field disturbance.

The invention belongs to the field of captive balloons, and provides a mooring system for quickly deploying a captive balloon, which integrates the functions of transition transportation, balloon bodystorage, automatic erection and expansion, lift-off/recovery, ground mooring and the like. The captive balloon mooring system platform mainly comprises a semitrailer, a rotary platform, a captive tower, a balloon cabin, a guide pulley and the like. The system is high in automation degree, transportation and transition of the system are facilitated, the balloon body can be directly inflated and unfolded on the mooring platform, the complex mounting and dismounting process in use is avoided, the system unfolding procedure is simplified, the preparation time of the system is shortened, the number of personnel needed for operation in the whole process is small, the unfolding and folding time is short, and rapid deployment is achieved.

The present disclosure is directed toward a semi-compliant to non-compliant, conformable balloon useful in medical applications. Conformable balloons of the present disclosure exhibit a low or insignificant straightening force when in a curved configuration and at inflation pressures greater than 4 atm. Balloons of the present disclosure are constructed of material that can compress along an inner length when the balloon is in a curved configuration. In further embodiments, balloons of the present disclosure can be constructed of material that sufficiently elongates along an outer arc when the balloon is in a curved configuration. As a result, medical balloons, in accordance with the present disclosure, when inflated in a curved configuration, exhibit kink-free configurations and do not cause a significant degree of vessel straightening.

The invention provides a method and system for determining the threat degree of a low-altitude flight non-cooperative target to a desired place, and the method comprises the steps: obtaining the continuous coordinate data of the low-altitude flight non-cooperative target in a certain period of time through taking the coordinate of a set desired place as a reference; and determining the threat degree of the flight non-cooperative target to the desired place according to the coordinates of the flight non-cooperative target and the change condition of the coordinates in the continuous time. Threat judgment and auxiliary decision making can be performed on various low, slow and small targets such as an unmanned aerial vehicle, a balloon, a kite, a Kongming lantern and a flying bird which possibly threaten the safety of important targets in a protection area of a desired place; by utilizing the threat determination method provided by the invention, the determined threat generated by the flight non-cooperative target is provided for the command and control system, so that the automation and intellectualization of auxiliary decision of a command information system can be improved, the decision time of a commander is shortened, and the strike efficiency of a defensive system is improved.

The invention discloses a sky-near space cooperative remote sensing system simulation test device and method. The device comprises a manned aircraft, a floating air ball, an unmanned aerial vehicle and a ground square cabin, wherein the manned aircraft is provided with a satellite remote sensing load, the floating air ball is provided with a near space airship remote sensing load, the unmanned aerial vehicle is provided with an aviation aircraft remote sensing load, and the ground square cabin is provided with an information processing system. The manned aircraft is connected with the floatingair ball and the ground square cabin in a wireless communication mode, the floating air ball is further connected with the unmanned aerial vehicle and the ground square cabin in a wireless communication mode, and the unmanned aerial vehicle is further connected with the ground square cabin in a wireless communication mode. According to the device and the method, the manned aircraft, the floatingair ball, the unmanned aerial vehicle, the ground square cabin and the test environment are arranged to simulate the sky-near space cooperative remote sensing system and the working scene thereof, thekey technology, the working process and the working efficiency of the sky-near space cooperative remote sensing system can be simulated and tested, and theoretical data support is provided for systemconstruction.

The invention relates to a tour and sightseeing fire balloon, in particular to a fire balloon drawn by a cableway pulley. The fire balloon comprises a fire balloon main body consisting of a balloon body, a lifting frame, a cradle and a drawing rope, a drawing pulley body which is arranged on a cableway and can slide on the cableway freely, a plurality of vertical hydraulic support device sets which are arranged on linear parts of the cableway and exert the supporting function, and horizontal hydraulic support device sets which are arranged on bent parts of the cableway; each hydraulic support device set is provided with a remote sensing control receiving device and a hydraulic pump; the lifting frame is connected with a drawing ring on the upper part of the drawing pulley body through the drawing rope; and one end of the cableway is an origin station, and the other end of the cableway is a terminal station. The fire balloon drawn by the cableway pulley is reasonable in structure and easy to operate and is a cableway tool particularly suitable for overhead sightseeing and playing.

The invention provides a full-developing force-gathering vascular stenosis dilating balloon. The balloon comprises a balloon body, wherein an expansion cutting structure is longitudinally arranged along the outer surface of the balloon body, and comprises a hollow cutting wire and a developing support structure arranged in the cutting wire; the cutting wire is fixed on the outer surface of the balloon body; and two ends of the developing support structure are fixed to the two ends of the balloon body respectively. Compared with the prior art, the balloon provided by the invention has the advantages that the hollow cutting wire and the developing support structure arranged in the cutting wire form the expanding cutting structure, so that the whole cutting part of the dilating balloon can bedeveloped under X-ray, the cutting part can be positioned more accurately, and besides, effective support can be provided for the cutting wire; and therefore, the flexibility and the trafficability of the balloon can be considered, and the dilatation cutting effect is further improved.

The invention discloses additional weight regulation equipment for aviation equipment. The additional weight regulation equipment comprises an additional weight block, wherein a working cavity is arranged in the additional weight block; a balance mechanism is arranged in the working cavity and comprises a sand storage frame; the rear end wall of the working cavity is provided with a sliding groove; the upper side of the balance mechanism is provided with a detection mechanism; the detection mechanism comprises a detection cavity arranged in the upper end wall of the working cavity; the lower end wall of the detection cavity is provided with four detection grooves of which the openings face upwards; the right side of the detection mechanism is provided with a rotation mechanism; the rotation mechanism comprises a rotation block; and a rotation cavity is arranged in the right end wall of the detection cavity. The device is simple in operation, when a hot air balloon rises, a hanging basket may possibly incline due to reasons, including uneven additional weight or strong wind and the like, at the time, the device can add sands to additional weight frames distributed on four sides of the device according to a hanging basket inclination degree, the hanging basket can be kept at a horizonal state all the time, people can more comfortably stay in the hanging basket, and meanwhile, potential safety hazards are reduced.