92 results about "Suction drainage" patented technology

The present invention relates to a closed suction drainage apparatus with a drainage tube having anti-clogging and irrigating functions. The closed suction drainage apparatus of the present invention have a double tube structure of the drainage tube and its connection unit. One tube of the drainage tube is used for drain blood and exudates from a dead space and the other tube is used for applying positive pressure to remove clotted substance in the drainage tube or irrigating a wound with liquid. The closed suction drainage apparatus according to the present invention can easily clear the clogged drainage tube or irrigate dead space when needed, even in the state that it is inserted in the body.

A bite block intended primarily for use with upper gastrointestinal endoscopy. The bite block comprises a unitary fabrication that fits into the mouth between the teeth or dental ridges and has a central passageway large enough to accommodate a gastroscope. The bite block also has a surface which lies exterior to the oral cavity and extends around the outer surface of the lips. The bite block also has a suction device which can be attached to a standard suction machine via flexible tubing or with an intermediary hollow wand. The suction device extends through the bite block into the intra-oral portion thereof where it forms an angle and allows suction drainage of pooled oral fluids from the cheek cavity. The interior tip of the suction device has multiple slit like openings circumferentially arranged to allow suction drainage of oral fluids without becoming occluded by the oral tissues.

A multi-lumen catheter for use in a cavity having a main lumen surrounded by a wall, and at least one access lumen positioned in or on the wall, the one access lumen conveys a solution to the cavity and said main lumen. A method for treating or preventing fluid or accumulation in a body cavity including (a) aseptically inserting through an incision at an insertion site the catheter comprising a main drainage lumen surrounded by a wall and the one access lumen positioned in or on the wall, (b) securing the inserted catheter by closing the incision with a suture, (c) infusing a physiological solution through the one access lumen to dilute a drainage fluid, (d) connecting a distal end of a main drainage lumen of the catheter to a suction drainage system, and (e) applying a vacuum force to the suction drainage system to remove the diluted drainage fluid.

The present invention provides a component classification apparatus for absorbing and conveying small, thin and little mass components and accommodating the components into containers without damaging the components, and an electronic component characteristic check classification device using the apparatus. The component classification device comprises a plurality of containers; a temporary receiving unit composed of mesh panel and suction drainage port, and arranged on the temporary receiving position of the containers; a suction nozzle; and a pressure control unit for controlling the pressure of the suction nozzle and the suction drainage part, the components are received by the temporary receiving unit and falls into the containers. The electronic component characteristic check classification device comprises a supply table part (1), a camera/lighting part (2), a supply P & P part (absorbing and conveying part) (3) for absorbing the electronic components from the conveying position of the electronic components and conveying to the delivery position, a measuring part (5) and a component classification part (6).

The invention provides a buoyancy adjustment system for a micro-miniature underwater robot, belonging to the field of underwater robots, comprising a buoyancy adjustment part and a buoyancy leveling part, the motor shaft of the buoyancy adjustment part is connected with a pinion, and the pinion is meshed with a large gear , the large gear is connected to the lead screw, the lead screw is firmly connected to the piston, the lead screw nut is connected to the large limit plate and the straight and small potentiometer, the bottom cover of the piston cylinder is connected to the filter with a pressure measuring tube; the lead screw nut of the balance part of the lead screw motor Connect with the small limiter, large potentiometer and trim lead. The beneficial effects of the present invention are: adopting this mechanical adjustment method can directly drive the piston to move through the gear connection screw rod, the structure is compact and simple, and the small potentiometer can accurately measure the water absorption and displacement to achieve buoyancy adjustment. Precise control. The leveling part balances the attitude changes caused by suction and drainage by leveling the movement of the lead weight, so that the overall underwater robot attitude is not affected.

The invention discloses an alternative hollow negative-pressure drainage treatment system for debridement circle hydrotherapy of wounds according to a vacuum sealing drainage technology and a principle of promoting wound repair by virtue of hydrotherapy. The treatment system comprises a support cover, medical sponge, a water inlet passage, a water outlet passage, a drainage tube, and an input tube, and is characterized in that a tiny pipeline system is arranged in an inner core of the support cover, a side opening of a pipeline is positioned below the inner surface of the support cover, the medical sponge is arranged on the inner surface of the support cover, the water inlet passage and the water outlet passage are positioned at the top of the support cover, the lower end of the water inlet passage communicates with a tiny pipeline, the upper end of the water inlet passage is connected with the input tube, the lower end of the water outlet passage communicates with the support cover, and the upper end of the water outlet passage is connected with the drainage tube and is used for externally connecting an alternating negative-pressure suction device. The treatment system not only can clear wound secretion in time but also can continuously apply circle hydrotherapy and alternative hollow negative-pressure treatment to the wounds and keep low-oxygen humid environments of the wounds, thereby achieving an effect of promoting rapid healing of the wounds.

The invention discloses a detachable multifunctional abdominal cavity drainage tube, wherein an outer catheter and an inner catheter of the drainage tube are soft plastic tubes, and the outer catheterand the inner catheter are matched and connected with an outer connection structure through an inner connection structure; when the patient is drained, the outer catheter and the inner catheter playa supporting role in combination, so as to avoid a situation that drainage cannot be performed due to squeezing the inner catheter. When the drainage catheter is blocked, the inner catheter can be removed from the outer catheter to avoid secondary puncture and alleviate the pain and burden of patients. The sealing plug of the water injection pipe on the external catheter can be connected with thesyringe after being removed, and can be used for endoluminal drug infusion treatment or irrigation. If negative pressure suction is required for the infected wound, the drainage bag valve can be turned off and the negative pressure extraction device is connected to the negative pressure tube of the inner catheter for negative pressure drainage. The drainage tube has the functions of blockage prevention, negative pressure suction, intracavity drug filling, etc., is convenient and reliable to implement, and has good market application value.

The invention discloses a medical negative pressure drainage ball for squeezing backflow prevention. The drainage ball comprises a ball body, a drainage pipe and protection covers. A liquid dischargepipe is connected with the lower portion of the ball body. A liquid discharge opening is formed in the liquid discharge pipe. The outer side of the liquid discharge pipe is connected with a connectingbelt. A connector is installed above the ball body. The drainage pipe is located above the connector. A protection block is installed on the drainage pipe. A pipeline hole is formed in a sealing plate. A slider is arranged on the outer side of the sealing plate. The protection covers are located on the outer side of the ball body. A binding belt is connected to the connecting block and provided with a button. The two hemispherical protection covers are clamped and connected with the ball body through the binding belt and the button, the ball body can be conveniently protected, the liquid backflow phenomenon caused when a patient squeezes the drainage ball is avoided, the normal drainage work of the drainage ball is guaranteed, and meanwhile the safety of hematocele drainage is increased.

The invention discloses a negative-pressure control valve, which comprises a valve core and a valve base, wherein the longitudinal section of the valve core is conical, trapezoidal or circular; the valve base is provided with a concave base which is matched with the valve core; a convex ring is arranged on the upper part of the valve core; a groove formed at a corresponding position on the valve base is locked with the convex ring on the valve core; the valve core is turned around the groove; the valve core and the valve base are provided with through holes; the diversion flow is determined by the coincidence area of two through holes; and the through hole on the valve base is communicated with a valve base connecting tube. A negative-drainage bottle adopting the negative-pressure control valve comprises a drainage bottle, a negative-pressure control valve and a drainage tube, wherein the drainage tube is connected with the negative-pressure control valve and the drainage bottle; and the drainage bottle is a vacuumized negative-pressure bottle.

A pumped drainage apparatus for a shower includes a waste water unit, a waste water inlet for accepting waste water runoff from a shower, a waste water outlet in fluid communication with the waste water inlet, a pump in fluid communication with the waste water unit, a sensing circuit including one or more sensors for sensing waste water, and a control circuit for controlling and varying a flow rate of the pump based on an output of the sensing circuit. The sensors may be isolated to prevent contact with waste water while the apparatus is in use. A variable flow control device for the pumped drainage apparatus is also provided.

The invention discloses a medical manual vomica negative pressure suction drainage device. The device comprises a negative pressure container and a drainage unit, the drainage unit comprises a drainage bag fixedly connected to the side wall of the negative pressure container, the drain outlet of the drainage bag is connected to a drainage pipe head with a drainage valve, the drainage bag is provided with a drainage pipe with a control valve and volume scale lines, and a digital display pressure sensor is arranged in the drainage bag; the drainage bag is provided with an air suction pipe head close to the drainage pipe, and the air suction pipe head is provided with a one-way membrane flap for preventing pus from flowing out; and the outer side wall of the hand-held end of the negative pressure container is provided with a groove, and the negative pressure container is provided with a negative pressure device for extracting air in the drainage bag. The drainage device is simple in structure and simple to operate, can accurately adjust the negative pressure of the drainage bag, can form stable and continuous negative pressure, enables pus to flow into the drainage bag at a uniform speed, completely avoids pus backflow caused by overlarge pressure and damage to tissues around a patient, is high in safety, and reduces the infection probability of the patient.

The invention discloses a built-in negative-pressure drainage metering device for blood discharged from vagina for obstetrical department. The device comprises a blood collecting device for receiving blood discharged from vagina and a negative-pressure drainage bag connected with the blood collecting device by a dual-cavity pipe. The wall of the blood collecting device is a dual-layer hollow wall; and a sealed cavity is formed between the inner wall and the outer wall of the blood collecting device. The blood collecting device is made of a flexible material. The dual-cavity pipe includes a drainage part for draining the blood in the blood collecting device to the negative-pressure drainage bag and a guiding part for guiding a stroke-physiological saline solution into the cavity. According to the built-in negative-pressure drainage metering device disclosed by the invention, timely drainage and collection of blood discharged from vagina during operation of the cesarean section and blood discharged from vagina after delivery can be realized; the bleeding amount is measured accurately in real time; and a doctor can be assisted in determining an intrapartum or postpartum bleeding amount rapidly and accurately, so that early-stage discovering and timely rescue for postpartum hemorrhage can be realized well.

The invention discloses an intra-tube forming machine of a sputum-suction drainage tube or a urethral catheter. The intra-tube forming machine comprises a rack, a feeding box, a grabbing and carrying assembly, a heating and necking-down assembly, a notching assembly and a transmission assembly, wherein a plurality of drainage tubes are clamped by a clamp to form a drainage tube assembly; the drainage tube assembly is lifted up to an opening face of the feeding box from a material box inside the feeding box through a lifting mechanism, then is moved onto a synchronous belt of the transmission assembly in an upgrade and degrade manner through a sucking claw assembly, is transmitted to the heating and necking-down assembly through the transmission assembly, and is positioned by a clamping and positioning assembly, then one end of the drainage tube assembly is subjected to heating and necking-down operation by the heating and necking-down assembly, the heated drainage tube assembly is transmitted to the notching assembly through the synchronous belt, then, the necking-down end of the drainage tube assembly is trimmed by the notching assembly, and the drainage tube assembly is sent to a discharging hole by a discharging and grabbing assembly. According to the invention, mechanical production and processing equipment is adopted to meet the requirements of mechanical and automatic processing and production, so that the production and processing efficiency is improved, in addition, the transmission assembly is used to enable the equipment to realize streamlined production and processing operation truly, so that, the investment cost is reduced, and meanwhile, the reject ratio is reduced.

The invention discloses a low-energy consumption vacuum suction drainage control system. The low-energy consumption vacuum suction drainage control system comprises a mold cavity assembly. The mold cavity assembly is provided with a pressure spot signal station. The pressure spot signal station is electrically connected to a controller. The mold cavity assembly is connected to a vacuum tank by a pipe. A control valve is arranged at the pipe between the mold cavity assembly and the vacuum tank. The control valve is electrically connected to the controller. The bottom of the vacuum tank is provided with a drainage pipe and a drainage valve. The vacuum tank is connected to a vacuum pump unit by a pipe. The vacuum pump unit is driven by a motor and is electrically connected to the controller. An upper end of the vacuum tank is provided with a safety valve and a pressure instrument. The safety valve and the pressure instrument are electrically connected to the controller. The low-energy consumption vacuum suction drainage control system has a simple structure, realizes suction drainage by a pressure difference formed between the vacuum tank and the mold cavity assembly, has low power consumption, reliable operation performances and low energy consumption, and realizes stable product quality after dehydration and product water content less than 40%.

The invention relates to a multifunctional device for removing intracranial hematoma, belonging to the technical field of medical devices for removing intracranial hematoma. It consists of a device body, a guide rod and a visual device. A water injection tube, a drug injection tube and two drainage fluid suction tubes are made in the cylindrical wall of the device body. The four tubes are arranged on the circumference of the device body. It is evenly distributed at 90°, and the bottom of the device body is made with a spraying inclined hole and a central through hole, and is equipped with two lighting devices; when the guide rod is pulled out of the device body, a visual device connected to the computer terminal can be installed in the cylinder . The present invention integrates blood clot pulverization, blood suction, flushing and drainage, medicine injection and illumination into one body, and one device can complete hematoma removal operation during operation, can effectively reduce intracranial pressure, and has short operation time. It solves the problem that the existing minimally invasive clearing device has single function, takes a long time to operate, and the clearing device has no lighting function, and cannot detect cerebrovascular lesions early, leaving patients with future problems.

The invention discloses a water suction-drainage fan which comprises an air barrel and a fan arranged in the air barrel; and fan blades of the fan are made of a water absorption material. In use, when water vapor is exhausted into the air barrel, fan in the air barrel absorbs water vapor as a result of the adopted water absorption material; water vapor absorbed by fan blades of the fan is thrown onto the inner wall of the air barrel when the fan rotates at full speed; under action of gravity, water flows down along the inner wall of the air barrel, enters a water storage tank through a ring-shaped water collecting slot formed in the air barrel, and is exhausted from a water outlet tube, and flowed-out water can be continuously utilized after being treated by a sewage treatment device subsequently. The water suction-drainage fan disclosed by the invention can effectively reduce white smoke (water vapor) exhausted from the top of a chimney, effectively avoids the shut-down problem caused by report of uninformed ones, so that working efficiency is improved; and meanwhile, water vapor exhausted from the chimney can be treated and recycled, so that resources are saved and waste is reduced.

The present invention proposes a negative pressure drainage system for wounds, including polyethylene alcohol hydration sponge, medical wound film, drainage tube and negative pressure drainage device, medical PVC bag is arranged on polyethylene alcohol hydration sponge, medical PVC bag and polyethylene The side wall contacted by the alcohol hydration sponge is provided with a plurality of drainage holes in a rectangular array, the opening of the medical PVC bag is connected with a drainage tube joint, and the medical wound film completely covers the medical PVC bag and the polyethylene alcohol hydration sponge; The negative pressure drainage device is a negative pressure drainage bag device, and its negative pressure ball is set separately; the drainage tube joint of the medical PVC bag is connected with the drainage interface of the negative pressure drainage bag device through the drainage tube. The present invention sets medical PVC bag as the transition carrier of negative pressure drainage, and forms multi-point contact on polyethylene alcohol hydration sponge to ensure comprehensive and thorough drainage; the negative pressure ball of the negative pressure drainage bag device is set separately, and the negative pressure ball can be repeated Use to further ensure smooth drainage.