CN210644687U - Gastrointestinal decompression device - Google Patents

Abstract

The utility model relates to a gastrointestinal pressure reducer includes drainage tube and drainage case at least, the drainage tube with the connection can be dismantled each other to the drainage case, the drainage tube is kept away from the one end of drainage case is provided with fixing device, wherein: fixing device includes neck brace and shoulder brace at least, the neck brace with shoulder brace fixed connection each other, the neck brace is provided with hasp hook, hasp ring and hollow cylindrical stop collar under the shoulder brace is fixed in the condition of patient's shoulder, the neck brace can be according to hasp hook with the mode of hasp ring block encircles and is fixed in patient's neck the shoulder brace is fixed in patient's shoulder just under the condition that the neck brace is fixed in patient's neck, the shoulder brace can with the neck brace constitutes restriction patient's neck pivoted rotation restriction portion under the condition that the neck brace is fixed in patient's neck, cylindrical stop collar can according to by the mode that the drainage tube runs through with drainage tube sliding connection.

Description

Gastrointestinal decompression device

Technical Field

The utility model relates to the technical field of medical equipment, especially, relate to a gastrointestinal pressure reducer.

Background

The gastrointestinal surgery is a basic subject for treating gastrointestinal diseases and gastrointestinal tumors through outpatient service, is created from modern medicine, and develops into a mature science. In recent decades, with the wave of technological revolution, auxiliary surgical instruments such as gastrointestinal anastomoses, laparoscopes and the like appear in sequence, and gastrointestinal surgery has been developed. In the gastrointestinal decompression, a gastric tube is inserted from the oral cavity or the nasal cavity by using the principles of negative pressure suction and siphon, and gas and liquid accumulated in the gastrointestinal tract are sucked out through the gastric tube. Has wide application range, and is commonly used after acute gastric dilatation, intestinal obstruction, gastrointestinal perforation repair or partial resection, and biliary tract or pancreas operation.

At present, what mainly used was stomach intestine pressure reduction ware and stomach tube among the stomach intestine decompression art, main operation is exactly during inserting the stomach of patient with the one end of stomach tube, the upper end at stomach intestine pressure reduction ware is inserted to the other end, stomach intestine pressure reduction ware is the vacuum cavity of a kind of strip spring, gas and liquid suction in with the gastrointestinal tract through the negative pressure, but the one end of stomach tube is inserted and is not fixed the structure of preventing taking off on the stomach intestine pressure reduction ware, deviate from the stomach intestine pressure reduction ware very easily in the in-service use in-process one end of stomach tube, cause the pollution. In addition, in the actual use process, the amount of the liquid in the gastrointestinal decompression device needs to be recorded regularly, and because the gastrointestinal decompression device is in a compressed state in the use process, the amount of the liquid in the gastrointestinal decompression device is difficult to observe according to the scale marks on the outer side wall of the gastrointestinal decompression device, the record can be observed only after the negative pressure in the gastrointestinal decompression device is released, and the use is very inconvenient.

Chinese patent (publication number is CN204910246U) discloses a medical stomach intestine pressure relief device, moreover, the steam generator is simple in structure, high durability and convenient operation, extension connecting pipe length will prolong the tubular material and change into difficult adhesive plastic tubing, it is inconvenient to have solved patient and stood up, the connecting pipe twists easily, the problem of self-adhesion, simultaneously use discharge valve of tee bend structure with discharge valve, high durability and convenient operation and difficult coming off, progressively thickened segmentation wedge screwed joint can dock with the connecting pipe of different pipe diameters, high durability and convenient operation, the fixed pressure reducer that the pressure reducer overcoat that increases can be good, the slippage of pressure reducer has been solved, the aversion problem.

Chinese patent CN205885869U discloses a gastrointestinal pressure reducer for digestive nursing, when in use, firstly medical staff moves the device to the side of a patient, then inserts a guide tube into the stomach of the patient, in the process of insertion, the picture recorded by a camera is displayed by a display, at the moment, the medical staff can clearly know the specific position of the guide tube inserted into the stomach of the patient through the display, then the medical staff opens an air suction pump, at the moment, the effusion in the intestine and the stomach of the patient is discharged into a storage box through a liquid guide tube, meanwhile, the medical staff can watch a control regulating valve with proper negative pressure value displayed by the display, the negative pressure value in the body of the patient is modulated to be in the best state, the gastrointestinal pressure reducer for digestive nursing can thoroughly absorb the effusion in the abdomen of the patient, meanwhile, the medical staff can properly regulate the negative pressure in the abdomen of the patient, thereby reducing the pain feeling of the patient, the work efficiency of medical personnel and the treatment progress of the patient are improved.

However, this patent has at least the following drawbacks: this patent only can fix the pressure reducer, and the radian of unable effective control patient's throat passageway can lead to the intubate mistake to go into trachea and/or intubate and circle at pharynx and esophagus upper segment, and then causes the stomach and intestine decompression failure and endangers patient's life and health even, has certain safety defect. Therefore, the technical problem to be solved by the utility model is to provide a gastrointestinal pressure reducer which overcomes the defects of the prior art.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a gastrointestinal pressure reducer includes drainage tube and drainage case at least, the drainage tube with the connection can be dismantled each other to the drainage case, the drainage tube is kept away from the one end of drainage case is provided with fixing device, wherein: the fixing device at least comprises a neck support and a shoulder support, wherein the neck support is fixedly connected with the shoulder support, the neck support is provided with a snap hook, a snap ring and a hollow cylindrical limiting sleeve, the shoulder support is fixed on the shoulder of a patient, the neck support can be fixed on the neck of the patient in a surrounding mode according to the snap hook and the snap ring, the shoulder support is fixed on the shoulder of the patient, the neck support is fixed on the neck of the patient, the shoulder support and the neck support form a rotation limiting part for fixing the radian of a throat channel of the patient, and the cylindrical limiting sleeve can be connected with the drainage tube in a sliding mode according to a mode penetrated by the drainage tube under the condition that the neck support is fixed on the neck of the patient.

According to a preferred embodiment, the fixing device further comprises a drainage mask arranged on a side of the neck brace remote from the shoulder brace, wherein: the drainage mask at least comprises a hard shell and an inflatable sealing ring, the inflatable sealing ring is arranged around the hard shell, a drainage tube embedded inlet capable of being connected into the drainage tube and a bandage used for fixing the drainage mask on the head of a patient are arranged on the hard shell.

According to a preferred embodiment, the drainage mask further comprises an oxygen tube, an oxygen tube insertion opening for the oxygen tube to penetrate through is formed in the inflatable sealing ring, and the oxygen tube insertion opening can be tightly matched with the oxygen tube in a manner of being pressed around the oxygen tube when the inflatable sealing ring is in an inflated state, so that a sealed mask closed space is formed.

According to a preferred embodiment, the drainage box comprises at least an air pressure adjusting device and a liquid storage bag, the air pressure adjusting device is connected to the drainage box through a connecting pipe, the liquid storage bag is arranged at one end of the drainage box far away from the drainage pipe, wherein: the air pressure adjusting device at least comprises a micro air pump, the micro air pump is connected with the drainage box through the connecting pipe, and under the condition that the micro air pump sucks the internal air of the drainage box, the drainage box transmits the drainage liquid of the patient to the liquid storage bag from the stomach and intestine of the patient in a mode of reducing the internal pressure of the drainage box.

According to a preferred embodiment, the air pressure adjusting device further comprises a switch valve and a display device, the display device is electrically connected with the switch valve, under the condition that the display device is electrically connected with the switch valve, the micro air pump sucks air in the drainage box in a mode of changing the opening degree of the switch valve, the drainage box further comprises an air pressure sensor for detecting the pressure in the drainage box, and the air pressure sensor is electrically connected with the display device.

According to a preferred embodiment, the air pressure sensor at least comprises a first flexible substrate, a flexible interlayer and a second flexible substrate which are sequentially stacked, wherein at least one air groove is formed in one side, close to the flexible interlayer, of each of the first flexible substrate and the second flexible substrate, and under the condition that one end of each air groove is closed, the air groove can form a closed space capable of containing inert gas in a mode that an air pressure sensor unit is arranged at the other end of the air groove.

According to a preferred embodiment, the air pressure sensor unit at least comprises a shell, a piston, a flexible film and a strain gauge, wherein the piston divides the shell into a pressure measuring end and a connecting end in a mode of being arranged on the shell, the flexible film abuts against the end portion, close to the connecting end, of the piston and is in sealed connection with the shell, the strain gauge is laid on the surface of the flexible film, far away from one side of the piston, under the condition that the first flexible substrate and/or the second flexible substrate are subjected to external force, the piston moves towards the connecting end based on the pushing of the inert gas, and the strain gauge generates corresponding deformation based on the sliding of the piston.

According to a preferred embodiment, the air pressure sensor unit further comprises a data processing unit, the data processing unit can generate an air pressure signal based on the deformation generated by the strain gauge, and the data processing unit is electrically connected with the display device.

According to a preferred embodiment, a check valve for preventing liquid from flowing backwards is arranged between the drainage tube and the drainage box.

According to a preferred embodiment, the hard shell is further provided with an expiratory one-way valve for the patient's expiration.

The utility model discloses have one or more in following beneficial technological effect at least:

(1) the gastrointestinal decompression device aims at the problems that the traditional gastrointestinal decompression device can only fix the decompression device and/or the drainage tube, the radian of a throat channel of a patient cannot be effectively controlled, the intubation tube can mistakenly enter the trachea and/or the intubation tube is coiled at the pharyngeal portion and the upper section of the esophagus, further gastrointestinal decompression failure is caused, even the life and health of the patient are threatened, and certain safety defects are caused. The utility model discloses a set up shoulder rest and neck brace and make when the patient carries out the stomach intestine decompression operation, medical personnel can be fixed in the shoulder rest, the patient neck is fixed in the neck rest through being fixed in the patient shoulder, and then prevent that the patient neck from moving for the shoulder to prevent that patient's throat passageway radian from changing, avoided effectively that the intubate mistake goes into trachea and/or intubate and spiral at pharynx and esophagus upper segment, protected patient's life safety and operation effect effectively.

(2) The utility model discloses a set up inflatable seal circle and make patient's mouth and nose be in airtight space, guaranteed that the patient that is in under the coma state can obtain sufficient oxygen support under the condition of performing the operation, protected patient's life safety.

(3) The utility model discloses a set up the accurate control of atmospheric pressure adjusting device realization to the inside pressure of drainage case to reach the speed that medical personnel can accurate control the drainage when drainage to the patient, avoided the patient effectively to cause the too big problem of drainage speed because of drainage case pressure undersize, avoided the patient to cause the risk of stomach intestine damage because of the drainage effectively. Preferably, the air pressure adjusting device can effectively prevent the internal pressure of the drainage box from being higher than the blood pressure of a patient by setting the pressure threshold value in the drainage box, effectively prevent the occurrence of drainage liquid countercurrent in the drainage process and protect the life safety of the patient.

Drawings

FIG. 1 is a simplified structural connection diagram of the gastrointestinal pressure reducer of the present invention;

FIG. 2 is a side view of the fastening device of the present invention showing simplified structural connections;

FIG. 3 is a simplified structural connection diagram of the drainage mask of the present invention;

FIG. 4 is a simplified structural connection diagram of the drainage box of the present invention;

fig. 5 is a simplified structural connection diagram of the air pressure sensor according to the present invention; and

fig. 6 is a simplified structural connection diagram of the air pressure sensor unit according to the present invention.

List of reference numerals

1: and (3) a drainage tube 2: and (3) drainage box: fixing device

5: the drainage mask 14: connecting pipe 16: one-way valve

21: air pressure adjusting device 22: a liquid storage bag 30: a first flexible substrate

31: flexible barrier layer 32: second flexible substrate 33: air tank

34: the air pressure sensor unit 41: neck collar 42: shoulder support

43: cylindrical stop collar 44: snap hook 45: buckle ring

51: the hard case 52: the inflatable seal ring 53: drainage tube embedded opening

54: binding band 55: oxygen pipe 56: oxygen hose insert inlet

57: expiratory check valve 211: the micro air pump 212: switch valve

213: the display device 214: the air pressure sensor 341: shell body

342: piston 343: flexible film 344: strain gauge

345: data processing unit

Detailed Description

The following detailed description is made with reference to the accompanying drawings. In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The word "module" as used herein describes any type of hardware, software, or combination of hardware and software that is capable of performing the functions associated with the "module".

Example 1

As shown in figure 1, a gastrointestinal pressure reducer at least comprises a drainage tube 1 and a drainage box 2, wherein the drainage tube 1 and the drainage box 2 are detachably connected with each other, and one end of the drainage tube 1, which is far away from the drainage box 2, is provided with a fixing device 3, wherein: the fixing device 3 at least comprises a neck support 41 and a shoulder support 42, the neck support 41 and the shoulder support 42 are fixedly connected with each other, the neck support 41 is provided with a snap hook 44, a snap ring 45 and a hollow cylindrical limiting sleeve 43, when the shoulder support 42 is fixed on the shoulder of a patient, the neck support 41 can be fixed on the neck of the patient in a surrounding manner in a mode that the snap hook 44 is clamped with the snap ring 45, when the shoulder support 42 is fixed on the shoulder of the patient and the neck support 41 is fixed on the neck of the patient, the shoulder support 42 and the neck support 41 can form a rotation limiting part for limiting the rotation of the neck of the patient, when the neck support 41 is fixed on the neck of the patient, the cylindrical limiting sleeve 43 can be connected with the drainage tube 1 in a sliding mode that the drainage tube 1. Preferably, the shoulder rest 42 is a reducing ring body that can be engaged with the shoulder of the patient. Preferably, the rotation limiter is defined as a structure formed by the shoulder support 42 and the neck support 41, which can prevent the neck of the patient from moving relative to the shoulder, and thus prevent the curvature of the throat passage of the patient from changing. Preferably, the inner diameter of the cylindrical stop collar 43 is slightly larger than the outer diameter of the drainage tube 1. More preferably, the inner diameter of the cylindrical stop collar 43 is greater than the outer diameter of the draft tube by 1 mm. Traditional stomach and intestine pressure reducer only can fix pressure reducer and/or drainage tube, and the radian of unable effective control patient's throat passageway can lead to the intubate mistake to go into trachea and/or intubate and spiral at pharynx and esophagus upper segment, and then causes stomach and intestine decompression failure and endangers patient's life and health even, has certain safety defect. The utility model discloses a set up shoulder rest 42 and neck rest 41 and make when the patient carries out the stomach intestine decompression operation, medical personnel can be fixed in shoulder rest 42, patient's neck through with patient's shoulder, and then prevent that patient's neck from moving for the shoulder to prevent that patient's throat passageway radian from changing, avoided effectively that the intubate mistake is gone into trachea and/or intubate and is encircleed at pharynx and esophagus upper segment, protected patient's life safety and operation effect effectively.

According to a preferred embodiment, the fixing device 3 further comprises a drainage mask 5, the drainage mask 5 being arranged on the side of the neck support 41 remote from the shoulder support 42, wherein: the drainage mask 5 at least comprises a hard shell 51 and an inflatable sealing ring 52, the inflatable sealing ring 52 is arranged around the hard shell 51 in a surrounding manner, and the hard shell 51 is provided with a drainage tube embedding opening 53 which can be connected with the drainage tube 1 and a binding belt 54 which is used for fixing the drainage mask 5 on the head of a patient. Preferably, the drainage mask 5 is rotatably connected to the fastening device 3 in a bearing connection. Preferably, the hard shell 51 may be a shell shaped to fit the human nose and mouth. Preferably, the inflatable sealing ring 52 may be provided with an inflation valve. Preferably, the diameter of the drain tube fitting port 53 is the same as the outer diameter of the drain tube 1. In the case where the fixing device 3 fixes the shoulder and neck of the patient, the medical staff can cover the drainage mask 5 on the face of the patient in such a manner that the drainage mask 5 is rotated with respect to the fixing device 3, and fix the drainage mask 5 on the face of the patient by the fixing band 54. Wherein, drainage tube inlays the mouth 53 and can cooperatees with cylindrical stop collar 43 and restricts the direction of motion of drainage tube 1, prevents that drainage tube 1 from touching and/or the patient unconsciously moves under the manic state and leading to the landing because of medical personnel are unconscious, has protected the effect of stomach intestine decompression.

According to a preferred embodiment, the drainage mask 5 further comprises an oxygen tube 55, the inflatable sealing ring 52 is provided with an oxygen tube insertion opening 56 for the oxygen tube 55 to pass through, and when the inflatable sealing ring 52 is in an inflated state, the oxygen tube insertion opening 56 can be tightly matched with the oxygen tube 55 in a manner of being pressed around the oxygen tube 55 to form a sealed mask closed space. Preferably, the mask enclosure is defined as the hollow enclosure formed by the drainage mask 5 and the patient's face. The utility model discloses a set up inflatable seal 52 and make patient's mouth and nose be in airtight space, guaranteed that the patient that is in under the coma state can obtain sufficient oxygen support under the condition of performing the operation, protected patient's life safety.

According to a preferred embodiment, the drainage box 2 comprises at least an air pressure adjusting device 21 and a liquid storage bag 22, the air pressure adjusting device 21 is connected to the drainage box 2 through a connecting pipe 14, one end of the drainage box 2 away from the drainage tube 1 is provided with the liquid storage bag 22, wherein: the air pressure adjusting device 21 at least comprises a micro air pump 211, the micro air pump 211 is connected with the drainage box 2 through a connecting pipe 14, and under the condition that the micro air pump 211 sucks the internal air of the drainage box 2, the drainage box 2 transmits the drainage liquid of the patient to the liquid storage bag 22 from the stomach and intestine of the patient in a mode of reducing the internal pressure. The utility model discloses a set up atmospheric pressure adjusting device 21 and realize the accurate control to 2 inside pressures of drainage case to reach the speed that medical personnel can accurate control the drainage when drainage to the patient, avoided the patient effectively to cause the too big problem of drainage speed because of 2 pressures undersize of drainage case, avoided the patient to cause the risk of stomach intestine damage because of the drainage effectively. Preferably, the air pressure adjusting device 21 can effectively prevent the internal pressure of the drainage box 2 from being higher than the blood pressure of the patient by setting the pressure threshold value in the drainage box 2, effectively prevent the occurrence of drainage liquid counter flow and siphon phenomenon in the drainage process, and protect the life safety of the patient.

According to a preferred embodiment, the air pressure adjusting device 21 further comprises a switch valve 212 and a display device 213, the display device 213 is electrically connected with the switch valve 212, in case that the display device 213 is electrically connected with the switch valve 212, the micro air pump 211 sucks the air inside the drainage box 2 in a manner of changing the opening and closing degree of the switch valve 212, the drainage box 2 further comprises an air pressure sensor 214 for detecting the pressure inside the drainage box 2, and the air pressure sensor 214 is electrically connected with the display device 213. Preferably, the display device 213 and the switch valve 212 are electrically connected by means of a built-in wire.

According to a preferred embodiment, the air pressure sensor 214 at least comprises a first flexible substrate 30, a flexible interlayer 31 and a second flexible substrate 32 which are sequentially stacked, wherein one side of each of the first flexible substrate 30 and the second flexible substrate 32, which is close to the flexible interlayer 31, is provided with at least one air groove 33, and in the case that one end of the air groove 33 is closed, the air groove 33 can form a closed space which can be used for containing inert gas in a manner that the other end of the air groove 33 is provided with an air pressure sensor unit 34. When medical personnel drainage the patient, thereby medical personnel can control atmospheric pressure adjusting device 21 through display device 213 and adjust the inside pressure information of drainage case 2 based on the inside pressure information of drainage case 2 that display device 213 shows and realize the normal clear of drainage process. Preferably, the display device 213 is electrically connected to the air pressure sensor 214 by means of an internal wire connection. Preferably, the display device 213 may be provided with an alarm unit, and the display device 213 may prompt medical staff and/or family members of the patient by generating an alarm signal when the information of the internal pressure of the drainage tank 2 detected by the air pressure sensor 214 is higher than a threshold value.

According to a preferred embodiment, the gas pressure sensor unit 34 includes at least a housing 341, a piston 342, a flexible membrane 343 and a strain gauge 344, wherein the piston 342 is separated into a pressure measuring end and a connecting end by the housing 341, the flexible membrane 343 abuts against the end of the piston 342 near the connecting end and the flexible membrane 343 is hermetically connected to the housing 341, the strain gauge 344 is laid on a surface of the flexible membrane 343 on a side away from the piston 342, the piston 342 moves toward the connecting end based on the pushing of the inert gas in the case where the first flexible substrate 30 and/or the second flexible substrate 32 is subjected to an external force, and the strain gauge 344 generates a corresponding deformation based on the sliding of the piston 342.

According to a preferred embodiment, the air pressure sensor unit 34 further comprises a data processing unit 345, the data processing unit 345 is capable of generating an air pressure signal based on the deformation generated by the strain gauge 344, and the data processing unit 345 is electrically connected with the display device 213. When the pressure changes, the pressure change of the inert gas can be detected by the data processing unit 345 through the deformation of the strain gauge 344, so that the pressure detection effect with easy control and higher precision can be achieved. Preferably, the data processing unit 345 may be a dedicated data processing chip for processing deformation data, such as: chinese patent publication No. CN108362404A relates to a data processing chip. Preferably, the pressure measuring end is defined as one end of the housing 341 communicating with the inert gas, and the connection end is defined as one end near the piston 342 and the flexible membrane 343.

According to a preferred embodiment, a check valve 16 for preventing the reverse flow of liquid is provided between the drain tube 1 and the drain tank 2. The utility model discloses a last protective measure when setting up check valve 16 as the flowing back has guaranteed that the great dangerous condition that drainage liquid flows against the current can not appear in the patient under any accident situation, furthest's protection patient's life safety.

According to a preferred embodiment, the rigid housing 51 is also provided with an expiratory check valve 57 for the patient's expiration. Preferably, the breathing check valve 57 may be one of the breathing check valves referred to in chinese patent publication No. CN 206675038U.

It should be noted that the above-mentioned embodiments are exemplary, and those skilled in the art can devise various solutions in light of the present disclosure, which are also within the scope of the present disclosure and fall within the scope of the present disclosure. It should be understood by those skilled in the art that the present specification and drawings are illustrative only and are not limiting upon the claims. The scope of the invention is defined by the claims and their equivalents.

Claims (10)

1. A gastrointestinal pressure reducer at least comprises a drainage tube (1) and a drainage box (2), and is characterized in that the drainage tube (1) and the drainage box (2) are detachably connected with each other, and one end, away from the drainage box (2), of the drainage tube (1) is provided with a fixing device (3), wherein:

the fixing device (3) at least comprises a neck support (41) and a shoulder support (42), the neck support (41) and the shoulder support (42) are fixedly connected with each other, the neck support (41) is provided with a snap hook (44), a snap ring (45) and a hollow cylindrical limiting sleeve (43),

the neck support (41) can be fixed around the neck of the patient in such a manner that the snap hook (44) is engaged with the snap ring (45) when the shoulder support (42) is fixed to the shoulder of the patient,

the shoulder support (42) and the neck support (41) can form a rotation limiting part for limiting the rotation of the neck of the patient under the condition that the shoulder support (42) is fixed on the shoulder of the patient and the neck support (41) is fixed on the neck of the patient,

the cylindrical stop collar (43) can be slidably connected with the drainage tube (1) in a manner of being penetrated by the drainage tube (1) under the condition that the neck support (41) is fixed on the neck of the patient.

2. Gastrointestinal stress-reducer according to claim 1, wherein the fixation device (3) further comprises a drainage mask (5), the drainage mask (5) being arranged on the side of the neck support (41) facing away from the shoulder support (42), wherein:

drainage face guard (5) include stereoplasm shell (51) and inflatable seal circle (52) at least, inflatable seal circle (52) encircle set up in stereoplasm shell (51) are all around, be provided with on stereoplasm shell (51) and can insert drainage tube embedding mouth (53) of drainage tube (1) and be used for with drainage face guard (5) are fixed in bandage (54) of patient's head.

3. Gastrointestinal pressure reducer according to claim 2, wherein the drainage mask (5) further comprises an oxygen tube (55), the inflatable sealing ring (52) is provided with an oxygen tube insertion opening (56) for the oxygen tube (55) to pass through,

when the inflatable sealing ring (52) is in an inflated state, the oxygen pipe embedding opening (56) can be tightly matched with the oxygen pipe (55) in a mode of surrounding and extruding the oxygen pipe (55) to form a sealed mask sealing space.

4. Gastrointestinal pressure reducer according to claim 3, wherein the drainage tank (2) comprises at least an air pressure regulating device (21) and a reservoir bag (22), the air pressure regulating device (21) being connected to the drainage tank (2) by a connecting tube (14), an end of the drainage tank (2) remote from the drainage tube (1) being provided with the reservoir bag (22), wherein:

the air pressure adjusting device (21) at least comprises a micro air pump (211), the micro air pump (211) is connected with the drainage box (2) through the connecting pipe (14),

under the condition that the micro air pump (211) sucks the internal air of the drainage box (2), the drainage liquid of the patient can be transferred to the liquid storage bag (22) from the stomach and intestine of the patient in a mode that the internal pressure of the drainage box (2) is reduced.

5. Gastrointestinal pressure reducer according to claim 4, wherein the air pressure regulating means (21) further comprises an on-off valve (212) and a display means (213), the display means (213) being electrically connected to the on-off valve (212), the micro air pump (211) sucking the gas inside the drainage tank (2) in such a manner that the degree of opening and closing of the on-off valve (212) is changed in the case where the display means (213) is electrically connected to the on-off valve (212),

the drainage box (2) further comprises an air pressure sensor (214) used for detecting the pressure inside the drainage box (2), and the air pressure sensor (214) is electrically connected with the display device (213).

6. Gastrointestinal pressure reducer according to claim 5, wherein the gas pressure sensor (214) comprises at least a first flexible substrate (30), a flexible barrier layer (31) and a second flexible substrate (32) stacked in sequence, wherein each of the first flexible substrate (30) and the second flexible substrate (32) is provided with at least one gas groove (33) on a side close to the flexible barrier layer (31),

under the condition that one end of the gas tank (33) is closed, the gas tank (33) can form a closed space for containing inert gas in a mode that a gas pressure sensor unit (34) is arranged at the other end of the gas tank.

7. Gastrointestinal pressure reducer according to claim 6, wherein the gas pressure sensor unit (34) comprises at least a housing (341), a piston (342), a flexible membrane (343) and a strain gauge (344), wherein the piston (342) divides the housing (341) in such a way as to be arranged in the housing (341) into a pressure measuring end and a connection end, the flexible membrane (343) is arranged against the end of the piston (342) close to the connection end and the flexible membrane (343) is sealingly connected to the housing (341), and the strain gauge (344) is arranged on the surface of the flexible membrane (343) on the side remote from the piston (342),

under the condition that the first flexible substrate (30) and/or the second flexible substrate (32) is/are subjected to external force, the piston (342) moves towards the connecting end based on the pushing of the inert gas, and the strain gauge (344) generates corresponding deformation based on the sliding of the piston (342).

8. Gastrointestinal pressure reducer according to claim 7, wherein the barometric pressure sensor unit (34) further comprises a data processing unit (345), the data processing unit (345) being capable of generating a barometric pressure signal based on a deformation produced by the strain gauge (344), the data processing unit (345) being electrically connected to the display device (213).

9. Gastrointestinal pressure reducer according to claim 8, wherein a one-way valve (16) for preventing liquid from flowing backwards is arranged between the drainage tube (1) and the drainage box (2).

10. Gastrointestinal pressure reducer according to claim 9, wherein the hard casing (51) is further provided with an expiratory check valve (57) for expiration of the patient.

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