8 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 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.

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 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 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 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 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.