24 results about "Decompression tubes" patented technology

The utility model discloses a gastrointestinal decompression tube which comprises a tube body, a tube head and a plurality of first side holes formed in the tube body, a coil is arranged at the position of the tube head, and a metal clamp clamps the coil to enter an alimentary canal and is fixed to a mucous membrane on the wound side. The decompression tube can be stably attached to a wound surface or a target part in the gastrointestinal tract, and the risk that the tube body slips off is avoided.

The utility model discloses a multi-stage cage type steam jet device which comprises an inner steam pipe (1), a pressure reducing pipe (2) is sleeved outside the inner steam pipe (1), the upper end of the pressure reducing pipe (2) is connected with the side wall of the inner steam pipe (1) in a sealed mode, and a cavity is formed between the pressure reducing pipe (2) and the inner steam pipe (1) to form a pressure reducing cavity (12). An inner bottom hole (3) is formed in the bottom end of the inner steam pipe (1); an outer bottom hole (4) is formed in the bottom end of the pressure reducing pipe (2); inner side holes (5) which are uniformly distributed are formed in the side wall of the inner steam pipe (1), outer side holes (6) which are uniformly distributed are formed in the side wall of the pressure reducing pipe (2), and the inner side holes (5) and the outer side holes (6) are arranged in a staggered manner; the steam spraying device can reduce pressure of steam and uniformly spray the steam, can effectively reduce noise, and is good in practicability.

The present invention provides a decompression electric explosion valve, comprising: a housing assembly, a piston, a retaining ring, a decompression pipeline device, and an igniter. The piston is installed inside the housing assembly, and the piston tail is fixed by a retaining ring to prevent the piston and the housing assembly from moving relative to each other. The igniter is installed at the tail end of the housing assembly. The housing assembly comprises: a housing and a diaphragm. During operation, the igniter pushes the piston to break through the diaphragm, allowing the fluid to enter the interior of the housing. The decompression pipeline device comprises: a steel ball, a spring, a fixing frame, a connecting rod, a baffle, and a decompression housing. When the fluid pushes the steel ball at a certain pressure, the steel ball and the baffle are linked, so that a part of the fluid passes through the steel ball and the baffle into the inner cavity of the decompression pipeline housing. The greater the fluid flow rate, the smaller the amount of fluid entering, the output pressure decreases, and the decompression effect is achieved; when the fluid flow rate slows down, the amount of fluid increases, the output pressure increases, and the pressure control effect is achieved. The present invention has the characteristics of simple structure, good economy, small size, light weight, etc.

The utility model relates to the technical field of grouting filling devices, in particular to a mine paste filling decompression pipeline device, which is mounted in a filling chamber of a roadway and comprises a grouting pipe, an upper filling pipeline and a lower filling pipeline, the decompression branch pipe is communicated and connected with the upper-section filling pipeline and the lower-section filling pipeline; the two protection units are detachably installed at the connecting bent pipe positions of the upper-section filling pipeline, the lower-section filling pipeline and the pressure reducing branch pipe respectively. According to the mine paste filling pressure reduction pipeline device, the pressure reduction branch pipe is arranged on the grouting pipe, the pressure of vertical conveying of slurry can be relieved, meanwhile, the arranged supporting assembly can provide supporting force for the grouting pipe, and damage or deformation of the joint of the bent pipe under the gravity effect of the slurry is avoided; in addition, through the arranged protection unit, an outer protection structure is provided for the bent pipe of the pipeline, the problem that a large amount of slurry leaks after the bent pipe is instantly damaged can be solved through cooperation of the protection unit and the concrete pouring layer, and the production safety is improved advantageously.

The invention relates to the technical field of medical instruments, and discloses a gastrointestinal decompression tube with an anti-backflow function and a fixing device thereof.The gastrointestinal decompression tube comprises a decompression tube body, a main drainage channel is formed in the decompression tube body, a multi-cavity assembly is arranged in the decompression tube body, and a one-way valve is fixedly installed on the outer side of the decompression tube body; a medical silica gel suction cup is arranged on the lower side of the pressure reduction pipe, the pressure reduction pipe is pasted to the medical silica gel suction cup through a hook-and-loop fastener, a flexible fixing assembly is arranged on the outer side of the medical silica gel suction cup, a mounting head is fixedly connected to the lower side of the pressure reduction pipe, and a cylinder is arranged on the lower side of the mounting head. And a mounting assembly is arranged between the mounting head and the cylinder. By adopting the technical scheme that the one-way valve and the anti-backflow assembly form a dual-anti-backflow structure, through the synergistic effect of the floating ball, the sealing ring, the permanent magnet and the guide rod, liquid backflow can be quickly blocked during backflow, and the technical effect of efficient anti-backflow is achieved.

The utility model belongs to the technical field of valves, and discloses an automatic pressure regulating type valve which comprises a valve body, a balancing device and an extruding device, the top end of the valve body is fixedly connected with the balancing device, a pressure reducing pipeline is arranged in the valve body, the left side of the pressure reducing pipeline is fixedly connected with a water inlet pipe, and the right side of the pressure reducing pipeline is fixedly connected with a water outlet pipe. The top end of the pressure reduction pipeline is fixedly connected with a lengthening pipe, a sliding groove is formed in the top end of the lengthening pipe, a piston is slidably connected into the sliding groove of the lengthening pipe, the piston is sleeved with a first spring, the top end of the first spring abuts against a connecting rod, and a pushing handle is fixedly connected into the connecting rod. The problems that in the process that a motor controls a valve to conduct automatic pressure adjusting, due to liquid circulation thrust, the adjusting position of the valve is loosened and rotates, water flow is likely to be generated to impact a water pipe when the valve is suddenly turned off, the valve and a pipeline are likely to be damaged, and the automatic pressure adjusting effect of the valve is affected are solved.

The utility model discloses a hydrogen energy equipment prying body capable of reducing explosion risks, and relates to the technical field of prying bodies. Comprising a skid body and a plurality of pressure reduction structures, the pressure reduction structures are arranged on the skid body, each pressure reduction structure comprises a pressure reduction pipe, a pressure reduction block, a sliding rod, a baffle and a pressure reduction spring, the outer wall of the pressure reduction pipe is fixedly embedded in the skid body, and the outer wall of the pressure reduction block is slidably embedded in the pressure reduction pipe; one end of the outer wall of the sliding rod is fixedly arranged on the decompression block, the other end of the outer wall of the sliding rod is fixedly arranged on the baffle, and the decompression spring is fixedly arranged between the decompression pipe and the decompression block. Through the pressure reducing pipe, the pressure reducing block, the sliding rod and the baffle, the skid-mounted equipment has the advantages of being high in integration level, convenient to transport, long in service life, convenient to install and the like, meanwhile, the pressure in the storage frame is reduced, the external stability of the storage frame is improved, and therefore the explosion risk is reduced.

A universal seal decompression 96-well plate cover plate relates to the technical field of experimental consumables and comprises a cover plate body, a decompression cavity is arranged in the cover plate body, 96 cover holes corresponding to 96 hole sites of a 96-well plate are formed in the lower end of the cover plate body, the cover holes are vertically through, the upper ends of the cover holes are communicated with the decompression cavity, the outer diameter of the cover holes is slightly smaller than the inner diameter of the 96 hole sites of the 96-well plate, and the decompression cavity is communicated with the 96 hole sites of the 96-well plate. A pressure reducing valve is arranged in the middle of the upper end of the cover plate body, the lower end of the pressure reducing valve is communicated with the pressure reducing cavity, the pressure reducing valve comprises a pressure reducing pipe and a pressure reducing cap, the pressure reducing cap is in threaded connection with the outer end of the pressure reducing pipe, and a plurality of pressure reducing holes are formed in the circumference of the pressure reducing pipe at equal angles. According to the universal sealing pressure-reducing 96-hole plate cover plate, the flexible pressure-reducing function, the adjustable pressure-reducing valve and the reasonable pressure-reducing channel design are adopted, and the situation that after the cover plate is sealed, negative pressure is generated in holes, and consequently the sampling event is affected is avoided.

The utility model discloses an improved gastrointestinal decompression tube which comprises a decompression tube body, one end of the decompression tube body is fixedly connected with a silica gel contact head, an open groove is formed in the outer ring of the decompression tube body, an equipment pipeline penetrates through the outer ring of the decompression tube body, and a pressure sensor is arranged at one end of the equipment pipeline. And the outer ring of the pressure sensor is fixedly connected with a temperature sensor. By means of the silica gel contact head fixedly connected to one end of the decompression tube, due to the flexibility and biocompatibility of silica gel materials, damage and stimulation to the inner wall of the gastrointestinal tract can be reduced, the comfort level of a patient is improved, and the slotting design of the outer ring of the decompression tube is beneficial to improving the flexibility and adaptability of the tube body; the decompression tube can be better attached to the gastrointestinal tract in shape, compression on surrounding tissue is reduced, so that discomfort of a patient is reduced, the design that an equipment pipeline penetrates through the decompression tube allows pressure monitoring and decompression operation to be conducted at the same time, invasion to the body of the patient is reduced through the integrated design, and the operation process is simplified.

The invention belongs to the technical field of medical instruments, and discloses an extendable gastrointestinal decompression tube suitable for upper gastrointestinal cancer surgery, which comprises a tube body, a through main drainage channel is arranged in the tube body, the tube body is divided into a far-end straight tube section, an extendable section and a near-end straight tube section, a far-end anchoring head is arranged at the end of the far-end straight tube section, and a near-end anchoring head is arranged at the end of the near-end straight tube section. A main drainage hole is formed in the end of the far-end anchoring head, a drainage side hole is formed in the side wall of the far-end straight pipe section, and the main drainage hole and the drainage side hole are communicated with the main drainage channel. The extendable section is a corrugated pipe; the tail end of the near-end straight pipe section is detachably connected with an activation and connection module; in an initial state, the corrugated pipe is in a contraction state, and under the traction of external force, the corrugated pipe is subjected to plastic deformation, is straightened and is kept in an extension state without retraction. The decompression tube can avoid potential damage to an anastomotic stoma caused by blind insertion of a stomach tube after a traditional operation, so that the risk of complications such as bleeding, edema and even fistula of the anastomotic stoma is effectively reduced, the operation safety is improved, and the operation difficulty of placing the gastrointestinal tube is remarkably reduced.

The utility model discloses a silica gel four-cavity jejunum nutrition tube which comprises a first tube body, a second tube body, an installation head, a feeding channel, a feeding hole, a first ventilation channel, a jejunum balloon, a second ventilation channel, a gastrostomy balloon, a pressure reduction channel, a pressure reduction hole, a feeding tube, a first ventilation tube, a second ventilation tube and a pressure reduction tube. A feeding tube, a first ventilation tube, a second ventilation tube, a pressure reduction tube and a first tube body are fixed on the mounting head, the first tube body is connected with the second tube body, and the mounting head, the feeding tube, the first ventilation tube, the second ventilation tube, the pressure reduction tube, the first tube body and the second tube body are of an integrated structure; according to the jejunum nutrition tube, the pressure reduction hole is formed in the first tube body and communicated with the pressure reduction channel, so that air can be exhausted in the stomach in time when the jejunum nutrition tube is used for feeding, a patient is not prone to feeling uncomfortable due to overlarge pressure in the stomach, and the comfort level of the patient is guaranteed.

The utility model discloses a gastrointestinal decompression tube which comprises a folding collecting bag, a top plate is fixedly connected to the top of the folding collecting bag, threaded cylinders are symmetrically and fixedly connected to the interior of the top plate, connecting pieces are connected to the inner sides of the threaded cylinders in a threaded mode, and a decompression tube is fixedly connected to the interior of one connecting piece. A medicine feeding pipe is fixedly connected to one side of the pressure reduction pipe, an elastic supporting pipe is arranged in the pressure reduction pipe, elastic columns are fixedly connected to the inner sides of the elastic supporting pipe, when injection medicine feeding is conducted on a patient, a top cover is rotated, an outlet of the medicine feeding pipe is opened, then medicine is injected into the medicine feeding pipe from one end of the medicine feeding pipe, and medicine feeding operation can be conducted on the patient conveniently; when the gastrointestinal decompression tube is used, the elastic column, the elastic supporting tube and the protruding column support the inner wall of the decompression tube, and the problems that the gastrointestinal decompression tube is prone to being squeezed, the drainage effect is poor, soluble substances in the stomach cannot be thoroughly led out frequently, and the treatment effect is poor are solved.

The present invention provides an air-filled intestinal cavity decompression tube, which belongs to the technical field of medical devices. It solves the problem that the existing gastrointestinal decompression device has poor decompression effect and is prone to blockage. The air-filled intestinal cavity decompression tube includes a catheter body with openings at both ends, and the catheter body is provided with a plurality of suction holes and a plurality of air bags. The air bags are uniformly inflated and deflated through an inflation tube arranged in the catheter body. The present invention can effectively support the intestinal cavity, and the soft air bag can effectively reduce the patient's discomfort. At the same time, the flushing tube can flush the inner wall of the intestinal cavity and flush the solid impurities attached to the inner wall, which greatly improves the decompression efficiency, is easy to use, has a good decompression effect, and also has the advantages of a massage effect.

The utility model discloses a squat silo center pressure reducing pipe with a closing function, and particularly relates to the technical field of granaries, the squat silo center pressure reducing pipe comprises a square pipe, the top end of the square pipe is fixedly communicated with a feeding pipe, the bottom end of the square pipe is fixedly communicated with a discharging pipe, the feeding pipe and the discharging pipe are both fixedly provided with valves, and the interior of the square pipe is fixedly communicated with an inner pipe; a plurality of first conical caps and a plurality of second conical caps are fixedly connected to the interior of the inner pipe, and the second conical caps fixedly communicate with the bottom ends of the first conical caps correspondingly. Grain enters the inner pipe through the feeding pipe, the multiple first conical caps can guide the grain to gather towards the center and slow down the falling speed of the grain, the multiple second conical caps further disperse the grain from the multiple first conical caps, the multiple gaskets protect the multiple first conical caps and the multiple second conical caps, the structure is simple, the operation is convenient, and the practicability is high. The first conical cap and the second conical cap are not prone to damage, and the using effect is good.

The hydraulic piston with a depressurised recess (1) may translate in a cylinder (2) and comprises a fixed skirt (3), an axial compression face (4) which forms a fluid chamber (5) with the cylinder (2), and an axial working face (6) which cooperates with the transmission means (7), the piston (1) also comprises sealing means (8), a depressurised radial recess (9) opening at the surface of the fixed skirt (3), an axial decompression duct (11) arranged inside the skirt (3) and which opens near the axial working face (6), and a radial decompression duct (12) which puts the depressurised radial recess (9) in communication with the axial decompression duct (11).

The invention discloses a tunnel secondary lining construction pressure reducing pipe positioning and surviving device which comprises a positioning sleeve, a first lining and a second lining, and one end of the positioning sleeve is pre-embedded in surrounding rock or primary lining concrete; one end of the extrusion movable petal intubation tube is coaxially and detachably connected with the other end of the positioning sleeve, and a plurality of notches are uniformly formed in the other end of the extrusion movable petal intubation tube at intervals in the circumferential direction to form a plurality of extrusion movable petals; and the flexible filler is filled in the positioning sleeve and the extrusion movable petal intubation tube. The movable flap of the extrusion movable flap intubation tube can be obviously exposed on the surface of secondary lining concrete, and the center of the pressure relief hole can be quickly positioned through the center auxiliary positioning groove formed in the flap, so that the purpose of accurately positioning the center of the pressure relief hole is achieved, and the service life of the pressure relief hole is prolonged. And the pressure reducing pipe positioning and surviving device is prevented from being blocked by the poured concrete through the flexible filler filled in the pressure reducing pipe positioning and surviving device, so that the through hole operation can be conveniently and quickly carried out, and the labor intensity of field workers can be effectively reduced.

A hydraulic system can be provided as a kit to an existing work machine (100) for depressurizing a work tool assist circuit (400) of the work machine (100). The system comprises: a power source (600); a reservoir (404) of hydraulic fluid; a plurality of hydraulic lines (118); a pressure source (402); a control valve (406); a decompression line (410) connected to at least one of the plurality of hydraulic lines (118) and the reservoir (404); the decompression line (410) comprises an electromechanical valve (408) for regulating the flow of hydraulic fluid in the decompression line (410); a controller (610) and a coupler switch (612) including at least two throws and having three positions, one of which actuates the electro-mechanical valve (408) to depressurize the work tool assist circuit (400).

The invention belongs to the technical field of medical instruments, and particularly provides a gastrointestinal decompression device which comprises a frame seat, a catheter cover is connected to the upper portion of the frame seat, induction push type heat sealing assemblies are symmetrically arranged on the inner side of the frame seat, and an air exhaust mechanism is arranged on one side of each induction push type heat sealing assembly. The air exhaust mechanism is connected to one side of the frame base and one side of the catheter cover, the pressure reduction tube mechanism is installed on the upper portion of the catheter cover, the separated drainage bag is installed on the inner side of the frame base, the separated drainage bag is arranged between the symmetrical induction pushing type heat sealing assemblies, and the separated drainage bag is connected with the air exhaust mechanism and the pressure reduction tube mechanism. According to the gastrointestinal decompression device, the extraction force can be adjusted, objects in the stomach can be conveniently collected and stored, cleaning and disinfection are convenient, cross infection can be avoided, meanwhile, after the objects in the stomach of a patient are collected, solid-liquid separation can be conducted on the objects, the objects are sealed and stored respectively, and use for follow-up inspection is facilitated.

The nasointestinal tube comprises a transparent nutrition tube and a pressure reduction tube, the head end and the tail end of the nutrition tube are respectively provided with an opening communicated with the inside and the outside, the pressure reduction tube is arranged on the outer side of the nutrition tube in a sleeved mode, and the head end of the pressure reduction tube is connected with the middle of the nutrition tube in a sealed mode. A pressure reducing channel is reserved between the pressure reducing pipe and the nutrition pipe, a pressure reducing hole communicating the inside and the outside of the pressure reducing channel is formed in the side, close to the head end, of the pressure reducing pipe, and an opening communicating the inside and the outside is formed in the tail end of the pressure reducing pipe. According to the nasointestinal tube, the nutrition tube and the pressure reduction tube are simultaneously arranged through the nasal cavity of a patient, so that the pain of the patient caused by respectively arranging the nutrition tube and the nasogastric tube is relieved, the comfort level of the patient is increased, and nasal feeding of nutrient solution can be realized through the tube cavity of the nutrition tube, and stomach pressure reduction can be realized through the tube cavity of the pressure reduction tube; the visible probe can be placed in the nutrient canal through the main guide wire, and the nutrient canal can be placed in cooperation with the displayer under direct vision.

The clinical gastrointestinal decompression device for the digestive system department belongs to the technical field of medical equipment and comprises a shell and a decompression tube, a roller is rotatably arranged in the shell, a stomach tube is wound on the roller, an air pump is installed in the shell, the tail end of the stomach tube is communicated with an air outlet of the air pump, a first penetrating hole is formed in one side of the shell, and a second penetrating hole is formed in the other side of the shell. The starting end of the stomach tube can penetrate through the through hole I; a driving plate is arranged in the shell in a sliding mode, and a clamping mechanism is arranged on the driving plate. A cutting mechanism is arranged on the side wall of the shell, a first fixing mechanism is further arranged on the outer side wall of the shell, and a control assembly is further arranged on the shell. A sliding seat slides in the shell, an inserting pipe slides on the sliding seat, and one end of the inserting pipe is communicated with the pressure reducing pipe; the end opening of the stomach tube can be inserted into the other end of the insertion tube, a first driving assembly is arranged in the shell, and a pushing piece used for pushing the pressure reduction tube to move is arranged on the sliding base. The stomach tube has the advantages that medical staff can conveniently replace a new stomach tube, and therefore the work intensity of the medical staff can be reduced.

The invention discloses an intestinal decompression tube suite used in an intestinal obstruction operation, and belongs to the technical field of medical equipment. The decompression tube comprises a functional tube, a balloon on the outer wall of the functional tube, a silica gel pad sleeved on the functional tube in an interference fit manner, a suction tube connected with a drainage system of an operating room, and a water injection interface with a plug; the dilator comprises a puncture needle, a matching silica gel pad and a handheld part. And the dilator can be sleeved in the suction tube of the decompression tube through a silica gel pad in interference fit with the dilator. The problems that in the intestinal decompression operation process in the cavity opening process, the operation mode is complex, and the abdominal cavity of a patient is prone to being polluted by overflowed intestinal contents are effectively solved.

The utility model relates to rectifying column technical field proposes a low temperature decompression rectifying column, including lower tower body, fixedly connected in the lower tower body bottom end's drainage pipe, the inner wall equal interval of drainage pipe is provided with the filler, assembles the suspension assembly in the lower tower body inside, through bolt nut fixedly connected in the upper tower body of lower tower body top, the top fixedly connected with exhaust pipe of upper tower body, one side fixedly connected with decompression pipe of upper tower body and lower tower body, the lower end fixedly connected with distributor of upper tower body inner wall, the top fixedly connected with the communicating seat of distributor, the top fixedly connected with the liquid inlet pipe of extending to the outside of upper tower body of communicating seat, assemble the anti -back flow subassembly in the communicating seat inside, through the suspension assembly who sets, make when needing to dismount replacement to filler subsequently, can directly suspend a plurality of fillers outside the lower tower body, take down in turn to fillers sliding, improve the work efficiency of replacement to filler.

The utility model discloses an anal tube flushing drainage decompression tube based on inflation, which belongs to the technical field of medical instruments and comprises an anal tube body, a first flushing tube communicated with the inside of the anal tube body is arranged on the outer side of one end of the anal tube body, and an inflation tube is arranged on the outer side of one end, close to the first flushing tube, of the anal tube body. A second flushing tube is arranged in the middle of the outer side of the anal tube body, an air bag communicated with the inflation tube is arranged at the end, away from the first flushing tube, of the outer side of the anal tube body, an annular groove is formed in the anal tube body in the circumferential direction, and the annular groove is communicated with the second flushing tube. According to the anal tube, the annular groove communicated with the second flushing tube is formed in the anal tube body in the circumferential direction, and the flushing openings are evenly and obliquely formed in the outer side of the annular groove in the circumferential direction, so that the crissum can be rapidly cleaned under the condition that the crissum overflows, the outer side of the anal tube body does not need to be adjusted, and practicability is higher.

The present invention relates to the technical field of using and ensuring tethered balloons, and discloses an inflation and decompression quick-release structure, which includes: an inflation port joint connected to a sphere to be inflated, an adapter joint connected to an air source, an inflation and decompression tube, and an inflation end cap; the inflation and decompression tube is detachably arranged between the inflation port joint and the adapter joint; the inflation end cap is detachably arranged at the air inlet of the inflation port joint. The inflation and decompression quick-release structure provided by the present invention can solve the problem of vibration damage to the sphere material caused by helium entering the sphere too quickly and at too high a pressure by arranging a detachable inflation and decompression tube and an inflation end cap, and can realize rapid inflation with a large flow rate. At the same time, the structure can be quickly connected and disassembled with the sphere, which reduces the personnel requirements during the inflation process, reduces safety hazards, and improves the deployment efficiency of the airship.