108results about How to "Easy to deflate" patented technology

A catheter system includes a mapping catheter having an open lumen and a mapping arrangement provided at a distal end of the mapping catheter. A balloon catheter is movably disposed within the open lumen of the mapping catheter. The balloon catheter has an open lumen dimensioned to receive a lead. A balloon arrangement is provided at a distal end of the balloon catheter and inflatable with an inflation mechanism provided at a proximal end of the balloon catheter. The balloon arrangement is dimensioned to prevent movement of the lead upon inflation of the balloon arrangement, and to permit movement of the lead within the open lumen of the balloon catheter upon deflation of the balloon arrangement.

A system to deliver or remove an inflation expandable stent in a body vessel. The system avoids causing damage or embolisms to a body vessel it is traversing by restraining the edges of the stent from scraping against the walls of the body vessel. The edges are restrained by balloon folds, compressive wedging, and angled reflective resistance. In addition the device can also inflate or deflate the balloon more efficiently.

A medical device such as a tube or a balloon including wall structure with multiple layers. The wall structure can distribute stress, resulting in reduced defect propagation and failure.

A flight control system for an airfoil comprises a control surface, a chamber connecting the control surface to the airfoil, and a pneumatic mechanism fluidly connected to the chamber. The chamber may be comprised of at least two cells that may be fluidly separated by a membrane. The pneumatic mechanism is configured to provide differential pressure to the cells in order to alternately increase volume / pressure of the cells to cause deflection of the control surface. The cells may have a stretchable outer surface to allow for changes in the length of the outer surface in response to inflation / deflation of the cells. The outer surface of the cells may be substantially continuous with outer mold lines of the airfoil and of the control surface.

An inflatable picnic table which includes an integrally formed pedestal, tabletop and bench, all of which are inflatable, so that the picnic table may be stored in a deflated condition, taken to a picnic area, and inflated to provide a temporary and portable picnic table including a tabletop and bench.

The present invention provides an adjustable inflate and deflate air pump consisting of: a pump frame, a pump body, a motor, blades, an air input hole, an air output hole, and a valve. A pump compartment of the present invention consists of an air compartment and a motor compartment. The air compartment is built up by the pump protective shield and the motor protective shield. The air compartment is connected to the air input hole. The motor compartment is built up by the motor protective shield and is connected with the air output hole at its bottom. On the upper part of the pump is a swing knob which is connected to the pump body. On the lower part of the pump is a curved surface. During its working process, the motor is cooled by constant airflows through the motor compartment during both inflation and deflation. Thus, the difficult problem of the motor overheating and being damaged during inflation and deflation has been solved perfectly. It is therefore a new pump with promising prospects.

A portable scale including an inflatable bladder, an inflation port, a pressure sensor, and a display. The display indicates the weight of an object that may be placed upon the bladder based on the pressure inside the bladder that is sensed by the pressure sensor. The bladder may be deflated for easy transport or storage. The portable scale may further include a mechanical or electric pump for inflating the bladder. The pump may be turned off when the pressure inside the bladder reaches a predetermined level.

The invention is an inflatable, wedge-shaped incline mattress that uses internal air baffles to present an inclined sleep surface of uniforms gradient to help relieve Gastric Esophageal Reflux Disease (GERD).

A modified laryngeal mask airway device (LMA-device) is provided with means to improve ease of insertion, reliability of function and higher seal pressure (i.e., cuff pressure ratio). The LMA-device includes an indented section of the airway tube to offer locating means and purchase for the inserting finger, and extended mask aperture bars to increase the effective ventilating area of the mask and reduce the possibility of epiglottis displacement occasioned by mask insertion. The LMA-device further includes a modification of the airway tube angle of attachment to the mask, and provision of a posterior or back-cushion covering the entire posterior surface of the mask.

A pedal-powered aquatic vehicle is a positively buoyant aquatic vehicle with a lightweight frame and driven flotation wheels on either side of the occupant(s) seat. A pedal drive is incorporated into the lightweight frame to produce propulsion through a chain driven multi-geared system coupled with a drive shaft. Outer drive wheels rotate the flotation driven wheels to propel across water and level ground. Paddles are affixed to the driven flotation wheels. Steering linkages disengage drive wheels independently to provide steering.

The invention discloses a Schrader valve and Presta valve dual-purpose tuyere head. The Schrader valve and Presta valve dual-purpose tuyere head is composed of a shell, a rotation piece, a valve seat and a spring. A shaft hole is formed in the shell in a penetrating mode, and a first assembly portion and a second assembly portion are arranged on the periphery of the shell, wherein the first assembly portion is used for threaded connection of a high-pressure gas cylinder and the second assembly portion is used for being matched with an inflator. The rotation piece is arranged in the shaft hole in a pivoted mode through a shaft portion, a first threaded connection hole allowing a Presta valve to be inserted in an airtight mode is formed in one end of the rotation piece, a second threaded connection hole allowing a Schrader valve to be inserted in an airtight mode is formed in the other end of the rotation piece, a containing space is communicated between the first threaded connection hole and the second threaded connection hole, and a through hole communicating the inner part of the containing space and the outer part of the containing space is formed between the first threaded connection hole and the second threaded connection hole. The valve seat moves between a first position and a second position along the containing space. When the valve seat is located at the first position, the through hole is communicated with the first threaded connection hole. When the valve seat is located at the second position, the through hole is communicated with the second threaded connection hole. The spring is used for providing preset elastic force to the valve seat to enable the valve seat to have the trend of being located at the first position at any time. Through the structure, the Schrader valve and Presta valve dual-purpose tuyere head is compatible to the external inflator or the external high-pressure gas cylinder, has a return stopping effect, and therefore the situation that a large amount of gas leaks out from a piece to be inflated is effectively improved.

A container for storing a plurality of bottles. The container comprises an inflatable assembly having a plurality of holes with bulging walls. Each one of the holes is configured to encircle at least one of the plurality of bottles.

A catheter system includes a mapping catheter having an open lumen and a mapping arrangement provided at a distal end of the mapping catheter. A balloon catheter is movably disposed within the open lumen of the mapping catheter. The balloon catheter has an open lumen dimensioned to receive a lead. A balloon arrangement is provided at a distal end of the balloon catheter and inflatable with an inflation mechanism provided at a proximal end of the balloon catheter. The balloon arrangement is dimensioned to prevent movement of the lead upon inflation of the balloon arrangement, and to permit movement of the lead within the open lumen of the balloon catheter upon deflation of the balloon arrangement.

In some embodiments, an inflatable knee pillow including a body having an outer fabric surface, and an inflation valve, wherein the body defines straps (preferably two pairs of straps) and encloses a bladder (an inflatable volume), and the inflation valve is in fluid communication with the bladder. When deflated, the pillow has a thin profile and can be folded into a compact configuration. The straps are releasably fastenable around a user's leg so as to position an inflatable portion of the pillow against the inside of the user's knee (for example, to cushion and separate the user's knees from each other while the user sleeps on his or her side with the pillow inflated). Preferably, the body includes two sheets of multilayer material shaped and attached together so as to define the straps and the bladder, and the pillow has releasable fasteners (e.g., hook-and-loop fasteners) defined by or attached to the straps.

The invention provides sediment capturing equipment for marine environment monitoring, and relates to the technical field of marine environment monitoring. The equipment comprises a capturing box, a closed shell is arranged on the lower portion of the inner side wall of the capturing box, fixing blocks are fixedly connected to the closed shell and the inner side wall of the capturing box, extrusion rods are fixedly hinged to the two ends of each fixing block through pin shafts, a second baffle is fixedly connected to the inner side wall of the capturing box, and a screw is movably connected tothe bottom of the second baffle. According to the sediment capturing equipment for marine environment monitoring, a rotating rod and an auger are arranged, deep capture can be carried out on a placewith a deeper seabed, by arranging the auger, deep-layer sample capture analysis can be conducted on the thick position of a seabed silt layer, collected sediments fall into the position between the two closed shells, then the auger is retracted into the lifting shell, the two closed shells are closed through an extrusion rod, and therefore large-scale collection of the sediments is completed.

The invention belongs to the field of medicines, and particularly discloses a ventilation apparatus for general anesthesia. A tracheal catheter comprises a tracheal inner layer and a tracheal bladder arranged outside the tracheal inner layer. A control unit comprises a rotary sleeve which is in rotary connection with a laryngeal mask catheter, guide slots are formed in the outer side of the rotary sleeve, and the top of the rotary sleeve is connected with a bolt. A sliding cavity and an air supply assembly are arranged in the rotary sleeve; the air supply assembly is used for supplying and feeding air for the tracheal bladder; a slider is in sliding connection in the sliding cavity; a connecting rod penetrates the inside of the slider and is provided with a stop plate; one end of the connecting rod runs through a third communicating port and is connected with the tracheal inner layer; the other end of the connecting rod is connected with an indicating ball which is in sliding connection in the guide slots. A cam mechanism is also arranged in the slider and abutted against the tracheal catheter. According to the technical scheme, hurt to the patient's body caused by rubbing generated in the process of inserting the laryngeal mask catheter and the tracheal catheter can be reduced, insertion of the tracheal catheter is facilitated, the state of the tracheal catheter can be switched conveniently, and thus, work efficiency of medical staff is improved.

The invention relates to a recyclable wall conduit, which is characterized by comprising at least three separable arc blocks which can form a hollow cylinder after being combined, wherein the adjacent separable arc blocks are connected through a hinging device arranged on both inner edges of each separable arc block; and the hinging device of at least one separable arc block is the detachable hinging device. According to the technical scheme, the wall conduit is buried before concrete is poured, both ends of the conduit can be sealed by sealing strips, or the inner side of the conduit is filled with yarn. After the concrete is solidified, the sealing strips are broken or the yarn is taken out, a connection pin of the detachable hinging device is pulled out, and each separable arc block is taken out after being separated. The conduit is simple in structure, does not need special detaching tools, is easy to be detached, cannot be damaged, and is available when recycled for hundreds of times.

An internal valve (10, 10′ or 10″) and its methods of use for stabilizing and reinforcing inflatable objects are disclosed. The internal valve is a novel, simple modification to conventional check valves with the addition of a discharging means for external control (14, 22 or 28). An internal supplemental chamber comprises one or more partitions that are secured, directly or by I-beams (40′), to main chamber's walls (40) of an inflatable object and stretched when the main chamber is inflated. With the internal valve as the passage to and from the main chamber, the enclosed or isolated supplemental chamber (30, 30′, 32, 34, 36 or 38) functions as a stabilizing or reinforcing component. A plurality of chambers 36 can form cylinder beams for an inflatable mattress.

An expandable inflation device for up to two balloon catheters for angioplasty includes a plurality of three port valves controlling flow to two fluid channels each coupled at an outlet to a balloon catheter for angioplasty. In line pressure gauges, which may be removable, monitor pressure of each channel. Each balloon catheter may be inflated and deflated, sequentially inflated, simultaneously inflated, sequentially deflated, simultaneously deflated, inflated to the same pressures, inflated to different pressures, partially deflated, and fully deflated.

A fluid-fillable cushion comprises upper and lower layers, a first chamber and a second chamber and a discrete pressure distributing unit situated between the upper and lower layers, said pressure distributing unit providing a fluid connection between at least the first chamber and the second chamber. Such a cushion reduces leaks and allows controlled pressure equalisation between the chambers. Also disclosed is a process for making such cushions and seating products comprising such cushions.

The invention discloses a pollution-free quick-inflating type anti-shock damage-prevention air column comprising a first air column body. A second air column body is placed behind the first air columnbody, a third air column body is placed in front of the first air column body, a protecting cushion is mounted on the upper surface of the first air column body in a attached mode, an air injecting opening is formed in one end of the first air column body, and magic stickers are fixedly mounted on the rear surface of the second air column body. According to the pollution-free quick-inflating typeanti-shock damage-prevention air column, the magic stickers are arranged, thus the air column bodies do not need to be fixed by adhesive tapes, and thus a user conveniently fastens the air column bodies; by arranging an adjusting mechanism, the distances between all the air column bodies can be adjusted according to the actual needs, the production cost is lowered, and the practicality of the pollution-free quick-inflating type anti-shock damage-prevention air column is improved; by arranging sealing plugs, the user conveniently inflates and deflates the air column bodies, the flat air columnbodies occupy extremely small space, orderly placing is facilitated, the space utilization rate is increased, and recycling by people is facilitated; and food can be packaged and protected through the air column, and the pollution-free quick-inflating type anti-shock damage-prevention air column has the high practical value and the promotion value.

An air exchange device for inflating air bag or releasing air from the air bag is composed of air pump and its base with air hole, and one-way valve for controlling if air can pass through the air hole. When an air bag is being inflated, the air inlet of air pump is communicated to the space outside the air bag and its air outlet is communicated to inside of air bag while the one-way valve is opened. When the air is being released from air bag, the air outlet of air pump is communicated with the space outside the air bage and its air inlet is communicated with inside of air bag while the one-way valve is opened.

The present invention relates to a valve for inflatable apparatuses. The valve comprises a housing, a sealing disc and a handle. The handle is coupled to the sealing disc, and is adapted for rotating the sealing disc within the housing.

The invention relates to a logistics package transportation air column coil capable of preventing a packaging product from being broken. The logistics package transportation air column coil comprisesan air column coil body, an air inflation air outlet device, a winding device and an exhaust device, wherein the air inflation air outlet device is mounted at the front end of the air column coil body; the winding device is mounted at the back end of the air column coil body; the exhaust device is mounted at the front end of the winding device; and the air column coil body is positioned in the exhaust device. According to the logistics package transportation air column coil, the problems that a conventional air column coil needs to be manually inflated and deflated sequentially during inflation and deflation, inflation and deflation are complex, the conventional air column coil is not good in leakproofness, air is liable to leak, during deflation winding, people usually deflate the conventional air column coil through pressing and then manually wind the conventional air column coil, deflation is incomplete, the conventional air column coil bursts as air in the conventional air column coil cannot be completely exhausted from vent holes during manual pressing, people always need to flatten winkled air column coils during manual winding, consumed time during the process is long, laborintensity is high, and efficiency is low can be solved.

The invention discloses a high-pressure hydrogen storage tank for a hydrogen storage device. The high-pressure hydrogen storage tank comprises a tank body. First fixing blocks and second fixing blocksare arranged on the two sides of the bottom of the tank body. Rotary shafts are arranged between the first fixing blocks and supporting legs, damping rotary shafts are arranged between the second fixing blocks and the supporting legs, the damping rotary shafts are in threaded connection into threaded holes in the supporting legs, the lower ends of the supporting legs are welded to a base, a sound-light alarm and two threaded pipes are further arranged on the upper side of the base, limiting rods are in threaded connection into the threaded pipes, threaded rods are in threaded connection intothreaded holes in the base, suckers are arranged at the lower ends of the threaded rods, an air guide pipe, a pressure relief pipe and a temperature sensor are arranged on the upper side of the tank body, a control valve is mounted on the air guide pipe, and a pressure relief valve and a pressure meter are mounted on the pressure relief pipe. A protective sleeve is a rubber sleeve, the thickness of the protective sleeve is 5 cm, and damage of collisions to the tank body can be well avoided.

The present invention involves an inflatable antenna system including an inflatable antenna and a mounting plate. The inflatable antenna includes an inflatable cone or cylinder and a plurality of conductors integrated therein. The mounting plate can be incorporated into a protective enclosure that holds and protects the inflatable antenna during transport, supports it during use, and provides a means for mounting it to a mast. The mounting plate serves as a mounting surface for the inflatable antenna, a radio frequency (RF) connector, an air intake valve, and an impedance matching network. Selected surfaces of the protective enclosure can be coated with conductive materials. An air intake valve allows for inflation and deflation of the inflatable antenna. Inflatable support members can be used in conjunction with a stabilizing portion comprised of a vertical member and attached weight, to allow the inflatable antenna system to be deployed in water.

The invention discloses a rapid cigarette rapid packaging device with an automatic filling function, and belongs to the field of cigarette processing. The rapid cigarette rapid packaging device with automatic filling function comprises a cigarette making machine body and a cut tobacco pressing box fixedly installed at the front end of the cigarette making machine body, and a cigarette driving assembly is installed in the cigarette making machine body; the lower end of the cut tobacco pressing box is connected with a cut tobacco kneading and filling assembly, the cut tobacco can spirally descend in the cut tobacco kneading and filling pipe under the action of a cut tobacco kneading spiral groove and a cut tobacco kneading inflation ball through mutual cooperation of the cut tobacco kneading and filling assembly, the cigarette driving assemblyand thesmeicircular guard plate, the cut tobacco are kneaded into a roll, gaps between the tobacco shreds are reduced, The uniformity of tobacco shreds filled into the cigarette drums is effectively improved, the cigarette quality is effectively improved, the error of market evaluation is reduced, the cigarette drums are driven to rotate through the cigarette driving assembly at the same time, filling can be conducted on the cigarette drums at the same time, and the filling efficiency is improved.

A sheet type balloon has a blank, colorable area partly formed on an outer surface of a body, so the balloon is available for coloring or studying materials as well as typical playing materials. The balloon further has a valve assembly having bi-directional functions, i.e., deflation and inflation of the balloon. To inflate the balloon with air or gas, a fastener of the valve assembly is open by separating a convexly protruding line and a concavely protruding line. After inflation, the fastener is closed by apply a pressure to both protruding lines, so the protruding lines are closely combined and thus intercept the outward flow of inflating air or gas within the body. Then, for carrying or reuse, the fastener can be open again by separating the protruding lines.