31 results about "Decompression tubes" patented technology

The invention discloses a novel gastrointestinal decompression tube for the general surgery department. The gastrointestinal decompression tube comprises a gastrointestinal decompressor body and is characterized in that a gastrointestinal tube is fixedly communicated to the negative pressure port of the gastrointestinal decompressor body, an outer sleeve is adhered to the tube arm of the gastrointestinal tube, the periphery of the sleeve arm of the outer sleeve is provided with first inner arc concave faces, rubber blocks are fixedly connected to positions close to the concave faces at the upper ends of the first inner arc concave faces, and a fixing mechanism sleeves the sleeve arm close to the upper end of the outer sleeve. The novel gastrointestinal decompression tube has the advantagesthat by the coordination of the structures above, the gastrointestinal tube can be fixed conveniently, and the problems that the decompression tube used in a traditional gastrointestinal decompressoris usually a tube, when one end of the tube extends into the stomach of a patient, medical staff need to fix the other end of the tube at a position close to the nose of the patient through tape, theoperation is troublesome, and the skin of the patient is easily hurt during tape removing are solved.

The invention discloses a blowout preventer facilitating fixation of an oil delivery tube. The blowout preventer facilitating fixation of the oil delivery tube comprises a shell, fixing plates and a first equipment box, wherein the fixing plates are arranged on two sides of the shell; the first equipment box is arranged above the fixing plates; a first through hole is formed in the shell; a sealing assembly and a driving piece for driving the sealing assembly to move are arranged in the first equipment box; a supporting seat is arranged on the bottom of the first equipment box; a decompressionopening is formed in the inner wall of the first through hole; a decompression tube which is matched with the decompression opening is arranged in the shell; a fixing assembly is further arranged onthe inner wall of the first through hole; by the fixing assembly, the oil delivery tube which is inserted in the blowout preventer is fixed; and the oil delivery tube is prevented from vibrating during oil delivering, a connection effect of the oil delivery tube and the blowout preventer is affected, the airtightness of the blowout preventer is improved, and blowout accidents are avoided.

The invention provides a novel nuclear-powered ship high-pressure steam automatic decompression device and method. The novel nuclear-powered ship high-pressure steam automatic decompression device comprises a decompression pipeline and a gas transmission pipeline, the input end of the decompression pipeline communicates with a steam master pipe, the output end of the decompression pipeline communicates with the gas transmission pipeline, the decompression pipeline is composed of two decompression branch pipes in parallel, a gas transmission pipe comprises a gas transmission main pipe and a plurality of gas transmission branch pipes, and the gas transmission branch pipes communicate with the gas transmission main pipe. The novel nuclear-powered ship high-pressure steam automatic decompression device and method can realize centralized decompression of high pressure steam, and after decompression, the high pressure steam can be transported to low pressure steam users such as a main air extractor.

The invention provides an anti-explosion spinning preheating furnace. The anti-explosion spinning preheating furnace is structurally characterized in that an insulating layer is arranged on an inner wall of a furnace body, a heating cavity is formed in the furnace body, a spinning tube and a heat conducting oil tube which are arranged inside and outside concentrically penetrate through the heatingcavity, the heat conducting oil tube is externally connected with a heat conducting oil heating device, the heat conducting oil tube in the heating cavity is provided with an expansion section, the heat conducting oil tube outside the heating cavity is provided with a decompression tube, and a decompression valve is arranged on the decompression tube. The anti-explosion spinning preheating furnace has the advantages that heat conducting oil is heated by the heat conducting oil heating device and then is used for heating the spinning tube through the heat conducting oil tube, during heating, pressure can be alleviated through the expansion section, and anti-explosion performance of the furnace is improved; when the pressure continuously increases, the decompression valve can be turned on,so that air in the heat conducting oil tube can be exhausted through the decompression tube, the pressure is released, and the anti-explosion performance of the furnace is improved furtherly; througha temperature sensor and a temperature display, a preheating temperature can be monitored in real time, when the temperature is too high or too low, the heat conducting oil heating device can be controlled to rise the temperature, operational stability of the furnace is improved furtherly, and the anti-explosion performance of the furnace is guaranteed.

The invention discloses an otology detacher. The otology detacher comprises a tube body having a length of 15 to 20cm, the tube body is provided with an attraction head, which is close to one side, the attraction head has triangle structure and the attraction head is provided with a guide tube inside, the attraction head is connected with the tube body in a flexible mode through the guide tube, a decompression tube is mounted at the side of the attraction head, the lower surface of the tube body is provided with an adjusting sliding tube being close to one side, the lower surface of the tube body is provided with an inner sliding groove, the top of the adjusting sliding tube is located in the inner sliding groove, the side of the adjusting sliding tube is provided with a slide way, the slide way is made of the metal. The otology detacher has good adjusting performance, the operator can quickly turn the direction of the attraction head for conveniently and effectively attracting the inner wall of the auditory meatus, and certain pressure can be injected, the use is safe and the protection effect is good.

The invention discloses a gastroenterology department clinical gastrointestinal decompression device comprising a pressure reducing pipe body, a driving structure, a pumping structure, a liquid and air suction structure and an anti-sliding structure; the pressure reducing pipe body comprises a round tube, a conical barrel and an internal thread pipe head; the round tube is a transparent medical round tube; the conical barrel is arranged at the front end of the round tube; the conical barrel is a transparent medical conical barrel; the internal thread pipe head is arranged at a round opening inthe front part of the conical barrel in a matching manner; a frame plate is arranged above the outer surface of the round tube. The gastroenterology department clinical gastrointestinal decompressiondevice is simple in operation, the insertion length of a liquid and gas extraction pipeline can be reasonably controlled; after being inserted, fixing and position limiting can be realized, stable driving force is provided, liquid leakage caused by deformation due to the fact that the negative pressure collection structure acts on a rubber piston type sliding object is avoided, the workload of personnel is relieved, the treatment quality is guaranteed, liquid drainage or air exhaust of the negative pressure collection structure in the midway of treatment is facilitated, and all components areconvenient to disassemble and can be repeatedly used.

The invention relates to the technical field of medical instruments, in particular relates to a stomach tube used for the department of gastroenterology. The stomach tube comprises a stomach tube body. The stomach tube comprises a feeding main tube. The inner wall of one side of the feeding main tube is provided with a balloon-type decompression tube. The balloon-type decompression tube is made of double layer tubes, and an air cavity is formed between the double layer tubes. A tube orifice, stanching out of the feeding main tube, of the balloon-type decompression tube is provided with a chuck. An air inlet is formed in the upper portion of the balloon-type decompression tube, the air inlet is connected with a balloon arranged at the top of one side of the feeding main tube, and a through hole C is formed in the bottom of the balloon-type decompression tube. Protruding heads are arranged at the left side and the right side of the upper portion of the feeding main tube oppositely, grooves with threads are formed in the outer sides of the protruding heads, and clamping devices are arranged on the protruding heads. According to the stomach tube used for the department of gastroenterology, the structure is simple, installation is convenient, when air inflation is conducted on the balloon-type decompression tube, a large-diameter decompression tube is formed, when the air in the decompression tube is exhausted, the diameter of the feeding main tube cannot be influenced, using by a patient is convenient, and working efficiency is improved.

The utility model relates to the technical field of medical instruments, in particular to a cardia anti-tearing decompression device. The cardia anti-tearing decompression device comprises a storage tube and a decompression tube, wherein the storage tube and the decompression tube are straight tubes which are through up and down, the inner diameter of the storage tube is larger than the outer diameter of the decompression tube, so that the decompression tube can be stored in a tube cavity of the storage tube, a first taper tube is fixed to the upper end of the decompression tube, and a secondtaper tube is fixed to the lower end of the decompression tube; and the first taper tube and the second taper tube are elastic soft taper tubes which are through up and down, a narrow end tube openingof the first taper tube is in butt joint with an upper end tube opening of the decompression tube, a narrow end tube opening of the second taper tube is in butt joint with a lower end tube opening ofthe decompression tube, and the first taper tube and the second taper tube can be retracted into a tube cavity of the storage tube after radial contraction. The device provided by the invention is matched with an esophageal endoscope for use.

The invention discloses a multifunctional gastrointestinal nutrition decompression tube. The multifunctional gastrointestinal nutrition decompression tube comprises a nasal feeding nutrition tube body, a gastrointestinal decompression tube body and an inflating catheter. The rear-end inlet of the nasal feeding nutrition tube body and the rear-end inlet of the gastrointestinal decompression tube body are mutually independent, a medical check valve is connected with the rear-end inlet of the nasal feeding nutrition tube body, and the nasal feeding nutrition tube body and the gastrointestinal decompression tube body share a communal tube wall. A plurality of lateral holes are formed in the front end of the nasal feeding nutrition tube body, a plurality of attraction holes are formed in the tube wall at the front end of the gastrointestinal decompression tube body, a camera is arranged on the bottom at the front end of the gastrointestinal decompression tube body and connected with a wire,an air bag is arranged on the outer wall of the gastrointestinal decompression tube body, the air bag is communicated with the inflating catheter, and an oxygen tube communicated with the outside ismovably connected with the position, close to the rear-end inlet, on the outer surface of the nasal feeding nutrition tube body. The multifunctional gastrointestinal nutrition decompression tube has the advantages of being simple in structure, convenient in operation, short in operation time and safe to use; by means of the multifunctional gastrointestinal nutrition decompression tube, a doctor can accurately master the gastrointestinal insertion depth, and the multifunctional gastrointestinal nutrition decompression tube can be widely used in clinical operations.

The invention discloses a decompression tube for intestinal surgery. The decompression tube comprises a tube body, an intestinal tube supporting opening, a one-way valve, and a hose connecting and fixing device. The hose connecting and fixing device comprises a first fixing buckle, a second fixing buckle, a first hose limiting block, a second hose limiting block, a first screw hole and a second screw hole. The decompression tube is provided with the hose connecting and fixing device, the connecting position does not loosen or fall off during negative pressure aspiration, and secondary pollution caused by exposure of content is avoided; an intestinal canal supporting opening is formed and can be placed in the intestinal canal in the intestinal tract operation process, and pollution causedby content leakage in the negative pressure suction process is avoided. The cost is low, the practicability is high, and the decompression tube can be widely applied to various intestinal surgeries. The problems that in the prior art, in the intestinal tract operation process, an aspirator is prone to sliding off, intestinal tract content leaks, secondary pollution is caused, and in the negative pressure aspiration process, the aspirator is prone to adhering to the wall, and effective pressure reduction cannot be achieved are solved.

The invention discloses an automatic adjusting pressure reducer. A regulating valve rod which can move in the axial direction in a reciprocating is arranged in a decompression tube, automatic resetting control is performed by using an elastic member, and a water inlet sealing control ring and a water outlet sealing control ring move by following the adjusting valve rod and the corresponding portions shield and open a water inlet hole and a water outlet hole to enable a water outlet pipe to flow out constant pressure water flow. The automatic adjusting pressure reducer has the advantages of simple structure, no need for additional power control and convenient use.

The invention relates to a positioning sputum suction laryngeal mask. The positioning sputum suction laryngeal mask comprises a mask body and a mask body tube, wherein the mask body comprises a mask body bottom plate and a mask main body arranged on the mask body bottom plate, a central region in the mask main body is provided with a mask body cavity communicated with the mask body tube, a stomach decompression tube corresponding to the stomach mouth is arranged on the back side of the mask body bottom plate, and the stomach decompression tube is isolated from the mask body cavity through the mask body bottom plate. The positioning sputum suction laryngeal mask also comprises a connection suction mechanism capable of realizing negative pressure suction in a gas supply process. The connection suction mechanism comprises a suction connecting tube which is arranged in the mask body bottom plate, and the end, located in the mask body bottom plate, of the suction connecting tube is communicated with the stomach decompression tube. The positioning sputum suction laryngeal mask can be effectively positioned, has lower complexity and usage costs, can ensure the ventilation and sealing effect without air inflation in use, can realize suction of secretions in a ventilation process, can avoid airway blockage caused by epiglottis, and can improve the stability and reliability in use.

The invention relates to a crystal growth furnace body structure with emergency decompression arrangement. The lower opening of an upper furnace chamber covers the opening of the top plate of an isolaThe invention relates to a crystal growth furnace body structure with emergency decompression arrangement. The lower opening of an upper furnace chamber covers the opening of the top plate of an isolation chamber correspondingly, and three positioning rings which are convexly arranged at equal angles on the outside of the upper furnace chamber are respectively movably sheathed on three upward lugstion chamber correspondingly, and three positioning rings which are convexly arranged at equal angles on the outside of the upper furnace chamber are respectively movably sheathed on three upward lugs arranged on the top plate and can be guided to move up and down. If the air pressure in a crystal growth furnace formed by the closing of the upper furnace chamber and a bottom furnace cover is overharranged on the top plate and can be guided to move up and down. If the air pressure in a crystal growth furnace formed by the closing of the upper furnace chamber and a bottom furnace cover is overhigh, when the weight of the upper furnace chamber is upwardly overcome so as to lift the upper furnace chamber, the upper furnace chamber is slightly opened upwards along with the guiding of the upwarigh, when the weight of the upper furnace chamber is upwardly overcome so as to lift the upper furnace chamber, the upper furnace chamber is slightly opened upwards along with the guiding of the upward lugs by depending on the positioning ring so as to release the internal air instantly, subsequently, the upper furnace chamber drops again due to the own weight to cover the opening. If a cross decod lugs by depending on the positioning ring so as to release the internal air instantly, subsequently, the upper furnace chamber drops again due to the own weight to cover the opening. If a cross decompression tube is added on the upper furnace chamber, low pressure can be moderately released, therefore the structure has the function of duel decompressing protection and can fully prevent the occurmpression tube is added on the upper furnace chamber, low pressure can be moderately released, therefore the structure has the function of duel decompressing protection and can fully prevent the occurrence of industrial safety accident of furnace body explosion.rence of industrial safety accident of furnace body explosion.

The invention discloses a pump for simulating physiological blood flow of a patient. The pump works by compressing and decompressing the conduit to create a peristaltic flow within the conduit. The compression may be effected by a linear actuator or a rotating press. And a one-way check valve is adopted to ensure one-way flow.

The invention discloses a fistulization decompression tube for biliopancreatic supporting drainage jejunum. The tube is formed by a porous pancreiatic duct supporting drainage arm, two porous biliary duct supporting drainage arms and a porous jejunum fistulization decompression tube, wherein the two porous biliary duct supporting drainage arms are connected together in a Y shape; connection parts between the porous jejunum fistulization decompression tube are vertically connected with each other; a plurality of side holes are formed in the porous jejunum fistulization decompression tube; the porous pancreiatic duct supporting drainage arm extends into the porous jejunum fistulization decompression tube via the side holes; the middle section of the porous jejunum fistulization decompression tube is provided with a mushroom head-shaped expanding part; bile drainage can be facilitated by the left and right biliary duct supporting drainage arms; the pancreiatic duct position can be adjusted via different side holes based on individual differences of patients; the expansion design of the middle section of the jejunum fistulization decompression tube prevents fistulization postoperative complications due to duct leakage; the interior of the biliopancreatic drainage tube is evenly made from degradable material, so possibilities of infection, stone and obstruction due to long term arrangement can be reduced; and secondary operation is avoided.

The present invention provides an apparatus for treating a substrate, the apparatus including: a head unit including a head formed with one or more nozzles that discharge a treatment liquid to a substrate; and a head maintenance unit configured to perform maintenance for the head, in which the head maintenance unit may include: a liquid receiving block formed with one or more liquid receiving parts having liquid receiving spaces with open tops; a decompression line fluidly-communicating with the liquid receiving space and configured to provide reduced pressure to the liquid receiving space; and a decompression valve installed in the decompression line.

The invention discloses an anti-slip pollution-free pressure reduction pipe structure for intestinal surgery, and relates to the field of intestinal surgery, the anti-slip pollution-free pressure reduction pipe structure comprises a first pipe fitting and a second pipe fitting, the lower end of the second pipe fitting is connected with the upper end of the first pipe fitting, the first pipe fitting comprises a fixing pipe, and a hose is fixed at the bottom of the fixing pipe; annular grooves are formed in the outer wall of a hose body of the hose at equal intervals from top to bottom, suction holes are formed in the front side wall, the rear side wall, the left side wall and the right side wall of each annular groove, an extrusion edge is fixed to the edge of the top of the hose, and a first annular air bag fixedly sleeves the outer wall of the bottom of a hose body of the fixing pipe. And a second annular air bag is arranged above the first annular air bag. The hose on the first pipe fitting and the first annular air bag extend into the intestinal tract through the intestinal tract opening, the first annular air bag and the second annular air bag are bulged through the air pipe, the intestinal tract opening is extruded and sealed, the sealing performance of the intestinal tract opening can be effectively improved, and pollution caused by flowing out of intestinal tract content is avoided.

The invention discloses a stomach decompression and intestinal nutrition integration tube. The tube includes a stomach decompression tube, an intestinal nutrition tube which is inserted into the stomach decompression tube from an entrance of the stomach decompression tube and has a length larger than that of the stomach decompression tube, and a guide wire inserted into the intestinal nutrition tube from the entrance of the intestinal nutrition tube, wherein the length of the guide wire is greater than the sum of the length of the stomach decompression tube and the intestinal nutrition tube. The tube is characterized in that the stomach decompression tube has an upper end part and a lower end part, the upper end part and the lower end part are detachably connected; the upper end part is aY-shaped structure, a straight upper end entrance of the Y-shaped structure is provided for inserting the intestinal nutrition tube, and a side branch structure entrance of the Y-shaped structure is provided with an integrated sealing plug used for drainage of the stomach decompression tube; and the intestinal nutrition tube has the upper end part and the lower end part, the upper end part and thelower end part are detachably connected, and the upper end part is provided with the entrance. The stomach decompression and intestinal nutrition integration tube can replace stomach decompression and intestinal nutrition integration tubes currently in clinical use, when a gastrointestinal decompression function is not needed, a gastrointestinal decompression tube can be smoothly taken out, and the intestinal nutrition tube can be directly retained separately for subsequent nutritional support therapy.

The invention discloses a multi-layer composite wear-resistant pressure reduction pipe and a manufacturing method of the multi-layer composite wear-resistant pressure reduction pipe. The multi-layer composite wear-resistant pressure reduction pipe is sequentially formed by a wear-resistant ceramic inner layer, a micro-expansion combination layer and a metal outer layer from inside to outside in a composite mode. The multi-layer composite wear-resistant pressure reduction pipe sequentially comprises a diameter reduction section, a straight pipe section and a diameter increasing section from the inlet end to the outlet end, and the portion, located at the inlet end, of the metal outer layer and the portion, located at the outlet end, of the metal outer layer are provided with an inlet connecting flange and an outlet connecting flange respectively. The wear-resistant ceramic inner layer, the combination layer and the metal outer layer are seamlessly combined, integrality of the product is embodied, and the phenomenon that the inner layer and the outer layer are loosened can not occur. The ceramic layer can be made of zirconia toughened alumina ceramic, and excellent durability of the product is achieved due to the rigidity and wear resistance of the product. The inner layer ceramic material, the combination layer and the outer layer metal material are firmly combined together due to the micro-expansion combination layer through the adhering action and the micro-expansion action. The multi-layer composite wear-resistant pressure reduction pipe can be of a multi-section combination structure, and therefore a pipeline can be conveniently manufactured, and machining accuracy of the pipeline is improved.

A bridge for facilitating delivery of reduced pressure to a wound site includes: a reduced pressure lumen configured to be fluidly coupled to a source of reduced pressure; a secondary pressure lumen configured to be fluidly coupled to the secondary pressure source; and One or more fluid adapters are operably connected to a wound dressing positioned at the wound site. One or more fluid adapters are positioned and configured relative to the reduced pressure lumen to apply reduced pressure from the reduced pressure lumen to the wound site through the wound dressing and to deliver osmotic fluid removed from the wound site through the reduced pressure lumen to the reduced pressure tube. out. The secondary pressure lumen is fluidly coupled to the reduced pressure lumen to facilitate flow of exudate removed from the wound site through the reduced pressure source using the secondary pressure source.

The invention relates to the technical field of tissue suction tubes, and particularly relates to a pressure-reducing type uterine cavity tissue suction tube and a using method thereof. The technical problems that a suction tube is prone to deformation and inconvenient to grasp, the suction tube cannot be matched with an endoscope for safe use, and a pressure-reducing tube is prone to blockage, so that dirty blood splashing and airflow reverse flushing are caused are solved. In order to solve the technical problems, the pressure-reducing type uterine cavity tissue suction tube is composed of a tissue suction mechanism, a holding mechanism and an anti-splashing mechanism. A sleeve is additionally arranged in a pressure-reducing cavity of a suction tube body, so that the suction tube body keeps good rigidity within a certain length; through two anti-skid handles clamped by a first clamping ring and a second clamping ring on the outer wall of the suction tube body, an operator can grasp the anti-skid handles to control the suction tube body to move at will, so that the operability of the suction tube body is improved; and the clamped anti-skid handles are convenient to disassemble, disinfect and reuse, so that the cost of medical instruments is reduced.

The invention discloses a gastrointestinal pressure reduction device for the digestive system, and belongs to the technical field of medical auxiliary instruments. The device comprises a pressure reduction tube, a stomach tube, an air bag and a material collecting barrel, wherein the pressure reduction tube is of a hollow tube cavity structure; one end of the pressure reduction tube is provided with a first connector, the other end of the pressure reduction tube is provided with a second connector, and the tube wall of the pressure reduction tube is provided with a third connector; the stomachtube is of a hollow hose structure; a feeding hole is formed in one end of the stomach tube, and the other end of the stomach tube communicates with the first connector; the air bag is of a hollow elastomer structure; the air bag communicates with the second connector; a first gas one-way valve is arranged on the second connector; the first gas one-way valve only allows gas to flow into the air bag from the pressure reduction tube; a second gas one-way valve is arranged on the air bag; the second gas one-way valve only allows gas to flow out of the air bag; and the material collecting barrelcommunicates with the third connector. The gastrointestinal pressure reduction device is simple in structure, capable of effectively reducing gastrointestinal internal pressure, convenient to carry and suitable for gastrointestinal pressure reduction under the emergency situation.