114results about How to "Quick deflation" patented technology

A directionally limited illuminating balloon catheter includes a multi-lumen shaft having a distal end and a hollow balloon portion disposed at the distal end and inflated through the shaft, the balloon portion having a light source illuminating only a portion of the environment outside the balloon portion. The balloon portion can be have a directionally limited light source directing substantially all illumination towards the shaft. Also provided is a directionally illuminating balloon catheter kit including a set of illuminating catheters each having the light source with different sized illuminating areas to illuminate a different sized partial portion of the environment outside the balloon portion.

An air discharge valve comprises a pipe connection base, a rotary member, at least one seal member and a buffer member. The pipe connection base comprises at least one pipe member which comprises an orifice; the rotary member and the buffer member are both axially connected with the pipe connection base to rotate about a rotation axis relative to the pipe connection base; the rotary member comprises at least one operational part, and the at least one seal member is connected with the rotary member and corresponded to the orifice; the buffer member comprises at least one corresponding operational part, and a rotation buffering space is reserved between each corresponding operational part and each operational part. When the rotary member is at a first orientation relative to the pipe connection base, each seal member correspondingly seals and closes each orifice; when the rotary member is driven by the buffer member and rotated to a second orientation relative to the pipe connection base, each seal member is removed from each orifice so that air in each pipe member can be discharged from the corresponding orifice.

A method and system for reducing the concussive effects of impact. The system includes a helmet for protecting the head of a user. The helmet has a surface, an array of strain gauges attached on the surface for detecting an impact, an array of cells attached within the helmet and a fluid reservoir in fluid communication with the cells. Each cell is selectively inflatable to redirect impact forces to the shell of the helmet, and selectively deflatable to cushion a users head during impact. The process of inflation and deflation is enabled and optimized through the use of a microprocessor connected in operative communication with the array of strain gauges and with the valves. Accordingly, when the system detects impact, the microprocessor selectively signals at least some of the valves to rapidly change pressure in the cells near the impact.

An air manifold adapted for attaching to an air fill opening in a side of plastic, polymer balloons and receiving compressed air therein. The air manifold includes a hollow manifold body with a plurality of outwardly extending manifold air ports attached to and spaced around an outer circumference of the manifold body. The air ports are adapted for releasable or permanent attachment to the air fill openings in the side of the balloons. The manifold body also includes an air tube. The air tube has one end attached to and in fluid communication with the manifold body. An opposite end of the air tube is adapted for receiving the compressed air therethrough and into the manifold body. When the compressed air is received through the air tube and into the manifold body, the balloons attached to the manifold air ports are inflated for forming a balloon cluster around the manifold body thus providing an attractive and decorative display.

A personal protection device can be used to protect individuals from falls. The device can be linked to a mechanical or electrical device, which triggers deployment of the device when the individual accelerates vertically. In this manner, a falling individual's injuries such as hip fractures, upper extremity injuries, and head injuries are minimized by the mediated gradual deceleration of the wearer of the device. The device allows mobility of the individual, because it is worn in a non-deployed compact form within a wearable article of clothing or belt. The device may also be used to protect non-ambulatory individuals who sustain falls from a bed or chair.

A pressure-limiting or breakaway catheter includes a multi-lumen shaft having a distal end and a hollow balloon portion disposed at the distal end of the shaft. The balloon portion has a distal end and an interior. The shaft and / or the balloon portion has a balloon safety valve formed to open to the environment outside the shaft and / or the balloon portion when greater than a given bursting pressure exists within the shaft and / or the interior of the balloon portion. The safety valve can be formed to burst at a first breaking force less than a second breaking force required to burst the balloon portion and / or the shaft. Also provided is a breakaway catheter kit including a set of the breakaway catheters, each having the balloon safety valve with different safety valve breaking constants.

The balloon display system used in indoor and outdoor show rooms and the like. The system includes a heavy plastic inflatable balloon. The balloon is mounted on top of a circular balloon holder cup. The cup and the balloon are attached to an upper end of a flexible rod. A lower end of a flexible rod can be attached to a flexible or a rigid, hollow mounting pole. A lower end of the mounting pole can be attached to an upper end of a ground stake. A lower end of the ground stake is inserted into a ground surface. Also the lower end of the mounting pole can be mounted on top of a weighted base stand or other upright objects. The system is designed to display one balloon or a plurality of balloons in a balloon cluster.

The invention discloses a floating-type alga reef, and aims to provide an alga reef which enables concentrated input of alga seedlings to be conducted effectively, is good in protection effect, is reasonable in alga growing environment and can effectively protect and store alga during a heavy wave attack. The floating-type alga reef comprises an integrated frame, a sea surface floating body and a recovery cable. A plurality of brick grooves are formed in the integrated frame, alga bricks are arranged in the brick grooves, brick inhaul cables are arranged on the alga bricks, a main center pillar is arranged on the integrated frame, the main center pillar is connected to the sea surface floating body, a plurality of tensioning bodies are arranged on the main center pillar, and each brick inhaul cable is connected to one of the tensioning bodies. When the brick inhaul cables are in a tensioned state, a section of each brick inhaul cable is wound on the tensioning body where the brick inhaul cable is connected, each tensioning body is a drum arranged on the main center pillar in a sleeving mode, and the tensioning bodies are fixed to the main center pillar through fixing pieces. The floating-type alga reef has the advantages that initial-stage protection of the seedlings can be realized, the loss that the alga is damaged during the heavy wave attack can be reduced, and harvesting of the alga and reuse of the integrated frame are convenient.

A stair slide having a longitudinally extending inflatable body with an upper surface and a lower surface. The body is configured so that when inflated, the lower surface conforms to steps of a stairway and the upper surface is substantially flat. A mounting device is attached to an upper end of the body for securing the body at the stairway. A lower end of the body opposite the upper end is formed as a flat landing area.

The invention discloses a vent valve, an integrated air pump and an electronic sphygmomanometer. An upper cover, a lower cover and a resilient body in the vent valve form an upper air chamber and a lower air chamber, the two air chambers are communicated with each other only through vent pores on the resilient body, a vent port of the upper cover is communicated with the upper air chamber to form an normally-open check valve which is communicated with exterior, the lower cover and the resilient body form the lower air chamber on the vent pore to be led to a normally-closed check valve of the upper air chamber, when the air pressure in the lower air chamber is greater than that in the upper air chamber, the resilient body is deformed towards the upper air chamber so as to block the normally-open check valve, the normally-closed check valve is opened, so that the opening and closing of the normally-open check valve and the normally-close check valve can be realized through the resilient deformation of the resilient body, and the air intake function and the ventilation function can be realized. The structure is the pure mechanical structure, and no electric energy is consumed. Due to the small size, the integrated air pump is applicable to the wearable electronic sphygmomanometer.

This invention relates generally to vehicular transportation for humans and freight by roadway and railway. More specifically, this invention relates to a unique combination of a novel roadway wheel and pneumatic tire assembly, incorporating a known automatic inflate-deflate system and a novel lightweight railway wheel; both wheels then coupled and concentrically assembled on a common axle with special provisions for the known automatic inflation and deflation of the pneumatic roadway tire.

An inflate / deflate valve of a heavy duty design for use during inflation of inflatable devices such as dunnage bags. Such dunnage bags are used in hostile or rough environments where when deflated the dunnage bags are stacked and compressed into storage drums where the inflate / deflate valves may be crushed or forced against the cuttable or ripable dunnage bag material. As a result, a novel and unique design is provided including a valve body, a spring, an optional washer, a spring retainer, a poppet, poppet seal and an o-ring.

A gas inflation / evacuation system and sealing system for use with occlusive devices in vascular procedures. The gas inflation / evacuation system is removably connectable via the sealing system to a proximal portion of a guidewire assembly having a guidewire that defines a lumen and includes a first syringe system for evacuating the lumen and a second syringe system for introducing a biocompatible gas into the lumen to inflate an occlusive balloon that is in fluid communication with the lumen a plurality of times. The sealing system selectively seals the proximal portion of the guidewire and includes a crimping mechanism and a compression sealing mechanism having a resilient seal for sealing around the proximal portion of the guidewire when it is passed therethrough.

A gas inflation / evacuation system and sealing system for use with occlusive devices in vascular procedures. The gas inflation / evacuation system is removably connectable via the sealing system to a proximal portion of a guidewire assembly having a guidewire that defines a lumen and includes a first syringe system for evacuating the lumen and a second syringe system for introducing a biocompatible gas into the lumen to inflate an occlusive balloon that is in fluid communication with the lumen a plurality of times. The sealing system selectively seals the proximal portion of the guidewire and includes a crimping mechanism and a compression sealing mechanism having a resilient seal for sealing around the proximal portion of the guidewire when it is passed therethrough.

A stair slide having a longitudinally extending inflatable body with an upper surface and a lower surface. The body is configured so that when inflated, the lower surface conforms to steps of a stairway and the upper surface is substantially flat. A mounting device is attached to an upper end of the body for securing the body at the stairway. A lower end of the body opposite the upper end is formed as a flat landing area.

An inflatable cushion is disclosed for turning a bed into a sofa. The cushion includes a reversible pump capable of moving a large volume of air for quick inflation / deflation and can be attached to the bed on which it rests or the wall supporting the cushion back. A fabric cover enhances the function and appearance of the cushion.

A protective cover (20) for a vehicle (10) having horizontally oriented transverse chambers (22) and vertically oriented chambers (24) made of an exterior sheet (42) and an interior sheet (42a) connected to one another by a series of separators (44). The horizontal and vertical chambers (22, 24) are connected to each other by corner chambers (28) and end chambers (38) oriented lengthwise of the vehicle cover (20) to convey pressurized air throughout the cover (20). The cover (20) has an inlet air valve (34) and an outlet air port (36). A number of anchor connecting loops (30) are provided to connect the cover (20) to the vehicle (10) by a number of straps (40).

The invention discloses a rim for an automobile tire burst monitoring and control system test. The rim is provided with a plurality of bleeder pipes arranged in circumferential direction and communicated with tires, the bleeder pipes are connected with an electromagnetic control valve used for controlling the connection and disconnection of the bleeder pipes, the coil of the electromagnetic control valve is connected with a direct current power supply arranged on the rim, and a remote switch which can be controlled remotely is arranged in a loop formed by the coil and the direct current powersupply. The rim can be used for performing tire deflation and inflation repeatedly in a safe, accurate and quick way, thereby facilitating the operations of tire burst monitoring and control system test and being favorable for the reduction of test cost and improvement of test efficiency.

A gas inflation / evacuation system incorporating a multiple element valved guidewire assembly having an occlusive device for use in thrombectomy or other vascular procedures includes a multiple element valved guidewire assembly having an occlusive balloon removably and sealingly connectible to an included manifold assembly where a guidewire tube defines a lumen for inflation or deflation of the occlusive balloon. A first syringe for evacuating the lumen and a second syringe for introducing a biocompatible gas into the lumen to inflate the occlusive balloon that is in fluid communication with the lumen a plurality of times are included. A sealing valve arrangement selectively seals the proximal portion of the guidewire tube to control inflated or deflated states of the occlusive balloon.

The invention discloses a pipeline switching-on and switching-off device and system. According to the switching-on and switching-off device, a valve is switched on and switched off in the manner thatan air bag driven by a lead screw and a hose serves as a valve element of the traditional valve, and the purpose of switching on and switching off a pipeline is achieved. Specifically, an air compressor serves as an air source, the air bag is inflated or the air in the air bag is discharged by controlling air discharging and air feeding of the air compressor, and then switching-off, switching-on and flow adjustment of the pipeline are achieved. To facilitate air inflation and air discharging of the air bag, the pipeline switching-on and switching-off device is further internally provided witha lead screw stepping motor, rapid air inflation and rapid air discharging of the air bag can be realized through match between the lead screw stepping motor and the air compressor, and rapid adjustment of the flow is realized. The air bag serves as the valve element of the valve for the first time, and compared with a previous metal valve element, the air bag valve element has the advantages of being resistant to impurities, capable of realizing stepless adjustment of the flow, long in service life, precise in flow adjustment and the like.

A protective helmet includes a plurality of fluid filled bladders, impact sensors, valves, and pumps wherein the helmet absorbs energy from an impact to protect a person wearing the helmet from traumatic brain injury. The bladders expel fluid in response to a triggering event such as energy from an impact detected as a pressure spike event and / or detected as an acceleration event. A selected bladder may expel fluid to other bladders, to a reservoir, to the environment outside of the protective helmet, or combinations thereof. In embodiments where the bladders need additional fluid after an impact, one or more pumps may refill selected deflated bladders. When a bladder is underinflated, an indicator light may emit light on an outer surface of the protective helmet to warn that the bladder is not yet ready to be placed in operation to absorb another impact.

There are many inventions described herein as well as many aspects and embodiments of those inventions. A thigh compression device and technique to control, time, delay and / or prevent excessive early venous enhancement relative to arterial enhancement and thereby improve and / or enhance MRA images, including peripheral MRA images. In one embodiment, the present invention uses a curved strip of material which is longer on the superior edge and shorter along the inferior edge. When wrapped around the conical or conal-like shape of the thigh of a subject (for example, a human), the thigh compression device more uniformly conforms to and / or fits around the thigh, providing more even / uniform compression as well as reducing, minimizing and / or eliminating significant movement of the thigh compression device towards the knees of the subject. Notably, a snug fit on the thighs may also enable the thigh compression device to be inflated with less fluid (for example, air) which is faster and less cumbersome for the operator.

A mechanism for removing a fluid-filled object such as an intragastric balloon from a patient. The apparatus includes a delivery tube having a lumen and a retrieval tool able to slide within the lumen that can both puncture and grasp the intragastric balloon. The retrieval tool may have sharpened graspers with either a sharp tip and / or knife-like edges. Alternatively, the delivery tube itself may have sharpened cutting blades that deploy outward to puncture the intragastric balloon. One embodiment utilizes a suction cup tip on the delivery sheath and a sharpened puncture rod that extends past the distal tip of the lumen, for rapid deflation of a balloon. Various embodiments hasten the deflation process and simplify the manipulation required by the surgeon.

A system including a catheter and an expandable member. The catheter includes an independent inflation lumen and an separate independent deflation lumen capable of sequential inflation and deflation of an expandable member in rapid succession, such as less than five seconds.

The invention discloses an inflatable moveable equipment storeroom. The equipment storeroom comprises an equipment storeroom main body, the equipment storeroom main body comprises arched air walls, each arched air wall comprises two arched closed air columns and a plurality of arched unclosed air columns arranged between the two arched closed air columns. The two arched closed columns are respectively fixedly to the whole arched unclosed air columns. Multiple groups of arched air walls are arranged in order, and the arched air walls can be connected together via connecting members disposed to adjacent two arched closed air columns. The inflatable moveable equipment storeroom can be used for maintaining and storing large-scale military weapons and equipment in the open air in severe weather conditions during field operations. When the inflatable moveable equipment storeroom needs moving, the inflatable moveable equipment storeroom can be quickly deflated, disassembled, folded, packaged and lifted to a special load wagon, and the inflatable moveable equipment storeroom can be unfolded, assembled and inflated on the ground when assembled. The inflatable moveable equipment storeroom is small in package size, light in weight, convenient to transport, quick in assembling and can insulate thermal.

A portable fender for protecting a watercraft hull from damage. The fender(s) length corresponds to the length of the watercraft likely to make contact with a dock, pier and / or pilings. An inflatable, waterproof bladder resides in a protective cover. The bladder's valve permits rapid inflation and deflation. The cover has diametrically opposed straps running its length. These straps are anchored to the cover in such a manner that loops are created at regular intervals. Mooring straps are passed through the loops and around the fender. The fender is secured between the watercraft and the dock / pier / pilings by attaching mooring straps to any convenient point on the watercraft, dock, pier, pilings or other suitable mooring point. Lengthening or shortening each individual mooring strap allows the fender to be placed in a position that will provide optimum protection. The fender is easily deflated for stowage. The watercraft does not have to be modified in any manner to use the fender.

The invention discloses a booster cavity and a high-pressure cavity integrated type closed-loop gas path air suspension system, and relates to the technical field of closed-loop gas path air suspension systems. Two pistons and a piston rod are mounted in a cavity body, one piston is connected with one end of the piston rod, and the other end of the piston rod penetrates through the upper end face of a low-pressure cavity and is connected with an external driving device. A check valve c and a check valve d are mounted on the two pistons respectively. An air spring receives gas from the high-pressure cavity according to needs. When deflation is needed, gas is released to an upper working cavity body and a lower working cavity body of a self-pressurization mechanism through a check valve a and a check valve b. The self-pressurization mechanism fills the gas of the upper working cavity body and the lower working cavity body after accumulation and pressurization into the high-pressure cavity respectively through the check valve c and the check valve d in an extrinsic motivation vertical vibration stroke of a suspension, and a closed-loop gas path is formed. According to the booster cavity and the high-pressure cavity integrated type closed-loop gas path air suspension system, the gas exhausted by the air spring can be retrieved effectively and put into cyclic utilization, and the energy-saving purpose of the air suspension system is achieved.

The invention discloses a self-pressurized device with a high pressure chamber and a low pressure chamber of a closed air loop air suspension system and relates to closed air channel air suspension systems with self-pressurized mechanisms. The self-pressurized device with the high pressure chamber and the low pressure chamber of the closed air loop air suspension system comprises a solenoid valve (a), a one-way valve (a), a one-way valve (b), a piston, a piston rod, a one-way valve (c), a one-way valve (d), an air pump, a two-position three-way solenoid valve, the high pressure chamber and the low pressure chamber. The inner structure of the low pressure chamber is a cylindrical cavity, two end surfaces of the low pressure chamber are respectively provided with an air inlet and an air outlet, the piston is arranged in the middle of the cavity, and the low pressure chamber is separated into an upper working cavity and a lower working cavity. An air spring receives air from the high pressure chamber for being inflated as needed, the air is discharged into the low pressure chamber through the one-way valves when the air needs to be discharged, and the air discharged from the air spring is pressurized in an up and down vibration stroke of the low pressure chamber which is externally driven by a suspension and then is inflated into the high pressure chamber to form a closed air loop. The self-pressurized device with the high pressure chamber and the low pressure chamber of the closed air loop air suspension system can effectively recover and recycle the air energy discharged from the air spring to achieve the purpose of energy saving of the air suspension system.

The invention discloses an air pressure type pipeline connector. The air pressure type pipeline connector comprises an outer ring, a middle ring, a movable block, a sliding block and a soft rubber inner ring installed on an external pipeline in a sealing and sleeving mode, wherein the outer ring, the middle ring and the soft rubber inner ring are coaxially arranged, the inner diameter of the outer ring, the inner diameter of the middle ring and the inner diameter of the soft rubber inner ring become smaller in sequence, and the outer ring and the middle ring are fixedly connected through a sliding groove; the movable block is arranged in the sliding groove and is in sliding fit with the sliding groove in a sealing mode, the inner end of the movable block is in elastic connection with the inner wall of the outer ring, and a groove allowing the outer end of the movable block to be inserted therein is formed in the soft rubber inner ring; a first air inlet channel is formed in the wall of the sliding groove, a first one-way air valve allowing air to be introduced into the sliding groove in one direction is arranged in the first air inlet channel, the inner end of the first air inlet channel is communicated with the sliding groove and located between the inner end of the movable block and the inner wall of the outer ring, and the outer end of the first air inlet channel is communicated with an air chamber. By the adoption of the air pressure type pipeline connector, on the basis that convenient detachment is guaranteed, high airtight performance and high watertight performance can be maintained in a vibration environment.

A travel pillow designed specifically for commercial airline travel is disclosed. The unique feature of this travel pillow is that it is designed to provide support for the legs of children and adults. It essentially allows a child to stretch out their legs directly out front and horizontal to their seat so there is no need to lie across accompanied travelers.The pillows shape is roughly a rectangular cube, when inflated to its maximum level it measures 12″ by 18″ by 18″, the pillow is firm but soft and sized and shaped to fit the leg room area in front of an airplane seat.