103 results about "Gastrointestinal decompression" patented technology

The invention discloses an intelligent gastrointestinal decompression device based on a sensor and a control method, and belongs to the field of medical equipment. The invention discloses an intelligent gastrointestinal decompression device based on a sensor and a control method. The intelligent gastrointestinal decompression device comprises a data acquisition unit, an intelligent control unit and an intelligent protection unit. The problem that personalized adjustment cannot be carried out according to specific conditions of patients in the prior art is solved, various parameters in the stomach are monitored in real time through the integrated sensor array, data accuracy can be ensured by periodically calibrating the sensor, a gastrointestinal state model is constructed based on deep learning, and the accuracy of the gastrointestinal state is improved. The intelligent gastrointestinal decompression device accurately evaluates the illness state, generates a personalized control instruction, adopts a self-adaptive closed-loop control strategy, can guarantee the operation accuracy and stability, predicts the risk in real time, automatically switches to a safety mode, generates different levels of early warning signals according to the risk probability, and improves the safety of the intelligent gastrointestinal decompression device. And medical workers are prompted to perform targeted treatment in time.

The invention discloses a gastrointestinal decompression drainage bottle with an extension function. The drainage bottle comprises a transparent bottle body and a drainage tube, the upper portion of the transparent bottle body is provided with a connector used for being connected with a drainage tube and a self-locking air exhaust nozzle. The connector is communicated with the interior of the transparent bottle body; the drainage bottle further comprises a pressure regulating mechanism; the pressure regulating mechanism comprises a pressure regulating cylinder arranged in the transparent bottle body and a pull head arranged above the transparent bottle body; the pressure regulating cylinder is vertically arranged, and the lower end of the pressure regulating cylinder is open and communicated with the transparent bottle body; a piston is arranged in the pressure adjusting cylinder in a sealed and sliding mode. The upper end of the piston is vertically connected with a telescopic sleeve; the uppermost end of the telescopic sleeve is connected with the pull head; the telescopic sleeve comprises a plurality of sections of sleeve single bodies which are sequentially sleeved in a sliding manner; through the innovative design of the pressure regulating mechanism, the extension function and the drainage tube and the optimization of materials, the gastrointestinal decompression drainage bottle has the functions of flexible adjustment of air pressure, reliable residue cutting and dredging, expandable capacity design and high biocompatibility.

The utility model belongs to the technical field of breathing masks, and provides a breathing mask with a stomach tube pipeline, which comprises a mask body, a flexible cushion layer is fixedly arranged on one side in the mask body, an oxygen tube hole and a stomach tube hole are arranged on one side of the mask body, and an oxygen tube and a stomach tube are movably connected on one side of the mask body. The independent stomach tube hole is formed in one side of the oxygen tube hole, and the stomach tube is connected to the inner side of the stomach tube hole, so that a special channel is provided for the stomach tube, the stomach tube can be conveniently inserted into the breathing mask when a patient uses the breathing mask, stomach tube feeding or gastrointestinal decompression is achieved, and the breathing mask is convenient to use. Due to the design of the stomach tube hole, the problem of air leakage caused by the fact that the stomach tube is pressed below the breathing mask is solved, the sealing performance and the using effect of the breathing mask are improved, the stomach tube and the oxygen tube are mutually independent and do not interfere with each other, and therefore the stability and reliability of the treatment effect are guaranteed.

The utility model provides a disposable gastrointestinal decompression drainage device, and belongs to the technical field of medical instruments. The disposable gastrointestinal decompression drainage device comprises a negative pressure drainage bag, a drainage butt joint pipe is fixed to the upper end face of the negative pressure drainage bag, and an upper end opening used for being in butt joint with a stomach tube and a lower end opening communicated with the top of the negative pressure drainage bag are formed in the upper portion and the lower portion of the drainage butt joint pipe respectively. The diameter of the upper end opening is smaller than that of the lower end opening, the drainage butt joint pipe is of a circular truncated cone structure, and vertical pressure reduction scales are arranged on the side face of the negative pressure drainage bag. The upper end face of the negative pressure drainage bag is further provided with an exhaust pipe, and the top of the exhaust pipe is matched with a sealing plug. A hook used for hanging is arranged on one side of the top of the negative pressure drainage bag. The stomach tube decompression device can be conveniently and tightly connected with a stomach tube for use, medical staff can conveniently and rapidly evaluate the decompression amount of intestines and stomach, and the overall use effect is good.

The present invention relates to an intraoperative gastrointestinal decompressor, which includes a locator and a suction device detachably arranged inside the locator; the locator includes a vertically arranged positioning tube, a positioning ring sleeved and fixed outside the positioning tube, and at least two arc-shaped airbags arranged on the outer peripheral surface of the positioning tube and evenly distributed at equal angles along the circumferential direction; the suction device includes a vertically arranged hard tube, a base that is sealed and detachably fixed at the lower opening of the hard tube and located outside the lower end of the positioning tube, a hose that is hermetically connected to the upper opening of the hard tube and communicates with the inside of the hard tube, and a drainage tube that is hermetically inserted into the side surface of the lower end of the hard tube and communicates with the inside of the hard tube; the present invention reduces the operation difficulty and complexity, can effectively avoid intestinal injury, expands the applicable range and greatly improves the decompression effect; can effectively prevent the reflux of intestinal contents, effectively speeds up the operation progress, and improves the safety and success rate of the operation.

The invention relates to the technical field of gastrointestinal decompression, and discloses a gastrointestinal decompression device which comprises a decompression part for reducing the body burden of a patient. By arranging the backflow prevention assembly, specifically, when the connecting pipe head is connected with the liquid discharging pipe, two pistons are stressed to extrude a second spring, meanwhile, the second spring is limited by a fixing plate to contract and store force, the two pistons are separated from the liquid discharging pipe and the connecting pipe head, and liquid can circulate at the moment; when the connecting pipe head is separated from the liquid discharging pipe, the two pistons can be reset under the action of resilience force of the second springs, meanwhile, the two first springs can seal the interior of the connecting pipe head and the interior of the liquid discharging pipe respectively, liquid is prevented from flowing out, the situation that when the liquid in the collecting bottle is treated, the liquid in the pipe flows out is reduced, and pollution to the environment is reduced; meanwhile, infection to patients or medical staff is avoided, and the practicability of the equipment is greatly improved.

The utility model relates to the related technical field of drainage apparatuses, in particular to a gastrointestinal decompression drainage apparatus bag with an anti-falling function. A sliding groove is formed in the base, a sliding block is installed in the sliding groove, a waistband is installed at one end of the sliding block, a buckle is installed at one end of the waistband, an inserting block is installed at one end of the buckle, a connecting plate is installed at one end of the inserting block, and inserting grooves are formed in the two ends of the connecting plate. According to the gastrointestinal decompression drainage device bag with the anti-falling function, through the arrangement of the sliding grooves, the sliding blocks, the waistband, buckles, inserting blocks, connecting plates, inserting grooves, shoulder straps, clamping blocks and clamping grooves, the sliding blocks are clamped into the sliding grooves, the waistband can be rapidly assembled, then the inserting blocks are inserted into the inserting grooves, and the waistband is tightened and fixed; the shoulder straps are fixed to the connecting blocks through the clamping blocks and the clamping grooves, good supporting is achieved, stable use of the gastrointestinal decompression drainage device bag can be guaranteed through firm fixation of the waistband, the risk of accidental falling is reduced, and the treatment safety and effect are improved.

The utility model discloses a gastrointestinal decompression nursing device which comprises a base, wheel bodies are fixedly connected to four corners of the base, a plurality of vertical rods are fixedly connected to the base, sleeve bodies are slidably connected to the outer walls of the vertical rods, a box body is fixedly connected between the sleeve bodies, a cover body is attached to the box body, a suction pump is installed on the box body, and a suction pump is installed on the suction pump. The suction pump is connected with a connecting pipe, the connecting pipe is connected with the cover body, the cover body is connected with a drainage pipe, and the box body is fixedly connected with a handrail. The wheel bodies are in contact with the ground, the handrails are convenient for a patient to hold and operate, a certain degree of movement auxiliary operation can be carried out on the patient, the device can be conveniently used when the whole device moves along with the patient, the movement burden of the patient cannot be increased, the movement stability of the patient can be improved, the movement convenience of the patient can be ensured, and the device is convenient to use. And the use is relatively convenient during movement.

The invention discloses a gastrointestinal decompression, drainage and pressure stabilization device, which belongs to the field of gastrointestinal drainage and comprises a drainage tank main body. A first one-way valve is installed on the left side of the upper surface of the drainage tank body, a filtering assembly is arranged on the surface of the upper end of the first one-way valve, a first connector is arranged on the upper surface of the filtering assembly, a first connecting hose is arranged at the tail end of the first connector, and a negative pressure tank is installed at the tail end of the first connecting hose. Through the arrangement of the negative pressure tank and the high pressure tank, when gas in the stomach of a patient is too much, the pressure in the patient can be rapidly reduced through the negative pressure tank, and mucosa injury caused by too high negative pressure is avoided. When the high-pressure tank detects that the pressure of the stomach of the patient is too low, in order to protect the stomach, the pressure of the stomach of the patient can be stabilized by controlling the electromagnetic valve to be opened, a more stable pressure environment is provided for treatment of the patient, and the treatment effect is improved; and discomfort and potential risks caused by excessive pressure fluctuation to the patient are reduced.

The invention discloses gastrointestinal decompression equipment for the digestive system department, and belongs to the technical field of gastrointestinal decompression for the digestive system department. The first receiving assembly and the second receiving assembly are used for receiving the extracted liquid; the transmission assembly comprises a rotating assembly, a first transmission assembly, a second transmission assembly, a third transmission assembly, a fourth transmission assembly and a fifth transmission assembly, the rotating assembly is installed on the negative pressure extraction assembly, the rotating assembly is connected with the second receiving assembly through the third transmission assembly, and the rotating assembly is connected with the first receiving assembly through the fourth transmission assembly. By arranging the first receiving barrel and the second receiving barrel, liquid can be received, by arranging the motor, the motor is started to drive a third belt wheel to rotate, a sealing plate is driven to rotate through a third belt, the sealing plate drives the second receiving barrel to rotate when rotating, a guide plate extrudes the second receiving barrel, and a spring is shortened.

1. The name of the design product: gastrointestinal decompression instrument for gastroenterology. 2. The use of the design product: for gastrointestinal decompression. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view 1.

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 invention relates to the technical field of gastrointestinal decompression, and discloses a gastrointestinal decompression system and a decompression control method. Setting sampling time, interval and sample number, measuring the pressure in the stomach at multiple points when a valve is closed, calculating the average gas generation rate of each section, constructing a continuous rate function through linear interpolation, and deriving; the valve opening degree is used for calibrating steady-state flow, and a known constant-flow calibration pressure-flow coupling constant is applied; target pressure is obtained, and performance indexes are constructed by combining the pressure deviation, the flow ratio, the gas rate and the coupling coefficient; constructing an augmented Lagrange quantity based on the index, introducing an adjoint quantity, and exporting a coupled second-order ordinary differential equation; a homogeneous solution and a convolution special solution are obtained, an integral constant is solved through initial and final boundaries, and a closed control law is generated; the pressure and the rate are collected in real time, parameters and constants are updated online, control output is calculated, a valve is driven, and closed-loop automatic precise pressure reduction is achieved.

The utility model relates to the technical field of medical instruments, in particular to an intestine and stomach decompression device which comprises a base, the bottom of a shell is communicated with a discharge pipe, a communicating pipe is arranged in the discharge pipe in a sliding mode, a weight block is arranged at one end of the communicating pipe, and the weight block is extruded at one end of the discharge pipe in one working state. Discharge holes are formed in the discharge pipe and the communicating pipe, the two discharge holes are communicated in one working state, a collecting tank is arranged at the bottom of the shell, an adjusting mechanism is arranged on the base at the bottom of the collecting tank, and the bottom of the collecting tank is connected with the top of the adjusting mechanism. According to the device, in the process of replacing the collecting tank, a weight block can extrude a communicating pipe, so that the bottom of the weight block is in contact with the top of a discharging pipe, a discharging hole in the discharging pipe and a discharging hole in the communicating pipe are in a staggered state, liquid in a shell cannot be continuously discharged through the communicating pipe, and the position nearby the device is cleaner.

The present invention discloses a visual multi-purpose decompression feeding tube. It relates to the technical field of medical devices and includes: a drainage tube, a three-chamber joint is provided at the top of the drainage tube, a clamping groove and a drainage hole are respectively provided on both side walls of the drainage tube near the bottom, and a first through hole is provided on the side wall of the drainage tube where the clamping groove is provided; a pressure regulating tube, a suction tube and a jejunum tube are all communicated with the drainage tube through the three-chamber joint, one end of the jejunum tube penetrates through the three-chamber joint and enters the inner cavity of the drainage tube, and a threaded tube is provided at the end of the jejunum tube passing through the first through hole; a camera assembly, including a threaded sleeve, a rotating base and a camera, the threaded sleeve is connected to the threaded tube, rotating motors are provided on both side walls of the threaded sleeve, and each rotating motor is connected to the side wall of the rotating base through a rotating member, and a camera is provided at the end of the rotating base away from the threaded sleeve. The present invention meets the requirements of gastrointestinal decompression and intestinal nutrition delivery by setting up a pipeline assembly; and realizes visualization by setting up a camera assembly.

The invention belongs to the technical field of medical instruments, and discloses a gastrointestinal decompression device with an anti-blocking function, which comprises a catheter, one end of the catheter is provided with a container, one side of the container is fixedly provided with a pressure reducer, one side of the pressure reducer is fixedly provided with a communicating pipe, the communicating pipe is connected with the container, and the communicating pipe is connected with the container. The pressure reducer can achieve the pressure reduction effect through pressing. The fixed mask is located at the end, away from the container, of the catheter, hook-and-loop fasteners are fixedly installed on the two symmetrical sides of the fixed mask, and the end, close to the fixed mask, of the catheter is used for being inserted into the mouth and nose of a patient; through cooperation of the U-shaped pipe, the supporting block, the pressing assembly and other structures, diversion and blockage prevention of the catheter are conveniently achieved, and the problems that an existing device conducts adsorption through a single catheter, the blockage risk is high, high-viscosity gastric juice or food residues are prone to being accumulated in a single channel, and consequently a pipe cavity is completely blocked are solved.

1. Name of the design product: Gastrointestinal decompression instrument. 2. Use of the design product: Used to suck out the gas or liquid in the gastrointestinal tract and reduce the pressure in the gastrointestinal tract. 3. Design key points of the design product: Lies in the shape. 4. Picture or photo that best shows the design key points: Perspective view 1.

The invention relates to the technical field of gastrointestinal decompression, and particularly discloses a gastrointestinal fluid decompression device for gastrointestinal surgery, which comprises a bag-shaped container and a connecting pipe, the top of the bag-shaped container is fixedly connected with an upper cover, and the bag-shaped container and the upper cover are internally and fixedly connected with a fixing pipe; firstly, the intubation tube is installed at one end of the connecting tube, the bearing assembly is installed at the top of the bag-shaped container through the fixing tube, the connecting tube is inserted into the bearing assembly through the inserting assembly during use, and the inserting assembly is rotated to enable the intubation tube to be communicated with a movable sleeve discharge opening; the rotary insertion pipe is continuously pressed, the limiting block drives the sealing sleeve to rotate, the insertion pipe is longitudinally fixed, meanwhile, the movable sleeve is driven to be positioned and fixed along the guide block and the guide groove, longitudinal limiting of the rotary insertion pipe is relieved during disassembly, the insertion pipe and the movable sleeve move upwards under the elastic force effect of the reset assembly, and the movable sleeve seals the bottom of the mounting base; the intubation tube is continuously rotated and lifted upwards, the movable sleeve is reset and fixed, the sealing sleeve moves upwards, the top of the bag-shaped container and the port of the connecting tube are synchronously sealed, liquid leakage and dripping are avoided, and the pollution risk is reduced.

1. The name of this design product: Fixation bag (gastrointestinal decompression device). 2. Purpose of this design product: used to fix the gastrointestinal decompression device. 3. The key design point of this design product lies in the combination of shape and pattern. 4. The picture or photo that best illustrates the design points: Stereoscopic drawing 1. 5. The top view is the same as that shown in the stereoscopic figure 1, and the top view is omitted; the bottom view is the same as that shown in the stereoscopic figure 2, and the bottom view is omitted.

The utility model discloses an intestine and stomach pressure reducer, and particularly relates to the technical field of medical apparatus and instruments, which comprises a negative pressure drainage device, and the bottom of the negative pressure drainage device is fixedly connected with a splint; and the fixing assembly comprises a bottom plate located below the clamping plate, and a clamping groove is formed in the top of the bottom plate. Through the arrangement of the negative pressure drainage apparatus and the fixing assembly, the negative pressure drainage apparatus can be fixed on the armrest on the edge of the bed, the height of the negative pressure drainage apparatus is increased to facilitate observation of a patient and a caregiver, and the negative pressure drainage apparatus is well fixed and supported through the outer protection frame and the abutting frame on the negative pressure drainage apparatus; even if the negative pressure drainage device is mistakenly touched and pressed, pressure usually acts on the outer protection frame, so that the negative pressure drainage device is prevented from being directly extruded, risks possibly borne by a patient in the gastrointestinal decompression operation are avoided, meanwhile, the negative pressure drainage device is convenient to disassemble and assemble through cooperation of the clamping grooves and the clamping plates, and use and operation are user-friendly.

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 medical instruments, and particularly relates to a double-cavity stomach tube which is mainly used for being indwelled in the body of a patient and carrying out gastrointestinal decompression, intestinal nutrition support and other treatments on the patient. The stomach tube mainly comprises a tube body, the tube body is provided with a first end and a second end, and the first end is provided with a stomach tube hole; the guide wire cavity channel is arranged in the tube body, the guide wire cavity channel is provided with a first end and a second end, the first end is located in the first end part, and the second end penetrates out of the tube body; the guide wire is arranged in the guide wire cavity channel, and the guide wire is constructed to be capable of being separated in the guide wire cavity channel; the problems that in the pushing process, a stomach tube is prone to being folded and coiled and not prone to being pushed to a target area, and indwelling is difficult are mainly solved.

The invention relates to the technical field of negative pressure drainage devices, and discloses a gastrointestinal decompression device which comprises a negative pressure cylinder, a negative pressure tube and a drainage connector which are communicated with the top of the negative pressure cylinder, the negative pressure tube is used for being connected with a negative pressure suction device, the drainage connector is used for being connected with a drainage tube, and the gastrointestinal decompression device further comprises a fixing plate fixed to the inner wall of the bottom end of the drainage connector, a discharge hole is formed in the discharge hole in a penetrating manner; the rotating wheel is rotationally mounted at the bottom of the fixed plate through a shaft, and an on-off hole capable of being overlapped with or staggered from the discharge hole is formed in the rotating wheel in a penetrating manner; the moving plate is slidably mounted in the negative pressure cylinder, and one section of the outer wall of the moving plate is meshed with the rotating wheel through teeth; according to the gastrointestinal decompression device, the negative pressure response mechanism composed of the air plug and the spring is arranged, the air plug can be automatically triggered to move when the negative pressure is overloaded, and therefore passive negative pressure overload recognition without electric control is achieved, the structure is simple, and response is reliable.

The utility model discloses a double-interface side hole type nutrition pusher which comprises a nutrition tube, a supporting tube and a path finding guide tube, the supporting tube is movably arranged in the nutrition tube in a penetrating mode, and the path finding guide tube is movably arranged in the supporting tube in a penetrating mode. The nutrient canal is of a two-way joint structure and comprises a first sleeve joint formed by the near end of the nutrient canal and a second sleeve joint located on one side of the first sleeve joint, and a plurality of first interlayer side holes are formed in the near end of a canal body of the nutrient canal. The nutrient canal adopts the structural design of double interfaces, double cavities and the near-end side hole, the far end of the nutrient canal is arranged in the jejunum and can be used as the nutrient canal, the farthest end of the side hole is provided with an MARK mark, and the MARK does not exceed the pylorus when the nutrient canal is arranged, so that the side hole is positioned in the gastral cavity and is used for gastrointestinal decompression, and the nutrient canal is particularly suitable for patients suffering from gastric paralysis and needing enteral nutrition.

1. Name of the product in this design: Gastrointestinal decompression device for gastroenterology. 2. Purpose of this design: for use in gastroenterology. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

The nasogastric tube conversion head comprises a shell, the outer portion of the shell is cylindrical, the side face of the shell is connected with a gastric tube connector and a negative pressure box connector, a piston rod is inserted into one end of the shell, the other end of the shell is closed, and the negative pressure box connector is connected with the gastric tube connector. The piston rod firstly passes through the stomach tube connector and then passes through the negative pressure box connector in the process of being inserted into the shell, an L-shaped channel is formed in the piston rod, an inlet and an outlet are formed in the two ends of the L-shaped channel respectively, and the outlet faces one side of the stomach tube connector. The gastrointestinal decompression mode and the nasal feeding mode of a patient can be rapidly switched by adjusting the specific position of the piston rod in the shell, and when nasal feeding is carried out on the patient, the negative pressure box does not need to be separated, and meanwhile the nasal feeding function is achieved. Meanwhile, the shell is transparent in appearance and provided with a mark, the effect of controlling the flow speed can be achieved by regulating and controlling the piston rod, and mistaken suction caused by too high speed in the nasal feeding process is prevented.

1. Name of the product in this design: Gastrointestinal decompression container holder. 2. Purpose of this design: For placing a gastrointestinal decompression container. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: 3D view 1.

1. The name of the design product: gastrointestinal decompression instrument (for use in gastroenterology). 2. The use of the design product: for gastrointestinal decompression in gastroenterology. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view.

The utility model belongs to the field of medical instruments, and relates to a stomach tube with an esophageal dilatation function, which comprises a tube body, a trachea cuff and an inflatable balloon, the trachea cuff is provided with a mounting part and a dilatation part, the mounting part is embedded in the tube wall of the tube body, and the dilatation part is communicated with the mounting part and extends out of the tube body; the inflation balloon is provided with a connecting tube and an inflation head, one end of the connecting tube is connected with the trachea cuff, the other end of the connecting tube is connected with the inflation head, and the inflation head is located on the outer side of the tube body. The stomach tube not only has the enteral nutrition or gastrointestinal decompression function of a common stomach tube, but also can realize esophageal dilation by using the trachea cuff, and plays a role in preventing esophageal stenosis after an esophageal operation for a patient after the esophageal operation through continuous dilation; for a patient suffering from esophageal stenosis caused by tumor obstruction, the purpose of improving obstruction by self-feeding can be achieved by utilizing the gap between the trachea cuff blades, and oral feeding of the patient suffering from esophageal stenosis is achieved.

The negative pressure balloon comprises a balloon body and an elastic gasket, the balloon body is of a hollow structure, the two ends of the balloon body are respectively provided with a connector capable of being communicated with a liquid inlet pipe and a liquid outlet pipe, the elastic gasket is arranged in the balloon body, and a pressing area of the balloon body corresponds to a covering area of the elastic gasket. According to the negative pressure balloon disclosed by the utility model, the elastic gasket is arranged in the balloon body, and the phenomenon that the balloon body completely collapses and cannot normally rebound due to overlarge force applied by an operator can be reduced by utilizing the good rebound resilience of the elastic gasket, so that the normal use of the negative pressure balloon can be ensured. The utility model further discloses a gastrointestinal decompression drainage bag.