CN214232102U - Anti-reflux pressure indication stomach tube - Google Patents
Anti-reflux pressure indication stomach tube Download PDFInfo
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- CN214232102U CN214232102U CN202021024918.7U CN202021024918U CN214232102U CN 214232102 U CN214232102 U CN 214232102U CN 202021024918 U CN202021024918 U CN 202021024918U CN 214232102 U CN214232102 U CN 214232102U
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Abstract
The utility model provides a backflow-preventing pressure-indicating stomach tube, which relates to the technical field of stomach tubes and comprises a stomach tube body, an expansion air bag and an air core switch; on the outer wall of stomach tube body was located to the inflation gasbag, the gas core switch passed through the connecting pipe and communicates with the inflation gasbag, and the gas core switch is used for control to inflate the inflation gasbag or the gassing, and the inflation gasbag configuration is to the esophagus inner wall butt with the human body after the inflation. Because there is the inflation gasbag on the outer wall of stomach tube body, and the gas core switch passes through connecting pipe and inflation gasbag intercommunication, can aerify the inflation gasbag through the gas core switch for inflation gasbag inflation back and people's esophagus butt, the inflation gasbag can block gastric juice and food etc. and further shift up also be palirrhea after with the esophagus butt, the gas core switch can make the inflation gasbag remain throughout before bleeding the inflation gasbag and prevent the refluence function, has improved patient's safety in utilization.
Description
Technical Field
The utility model relates to a stomach tube technical field especially relates to a prevent backflow pressure indication stomach tube.
Background
For patients who can not swallow normally, a stomach tube is often needed to perform auxiliary treatment; the stomach tube reaches the stomach through the nostril, the pharynx and the esophagus of the patient in sequence, and necessary moisture and food are conveyed to the patient through the stomach tube, and gastric juice can be extracted through the stomach tube. The stomach tube is mostly made of polyurethane or silica gel materials, and the replacement frequency of the stomach tube is generally changed once a month.
The common stomach tube is a smooth hose without the function of backflow prevention, and gastric juice, food and the like easily flow back upwards along the esophagus under the pressure stimulation of turning over and moving of a patient, unsmooth air passage, cough and the like; after reflux occurs, the patient is easy to be suffered from choking cough, esophageal spasm, ulcer and the like.
The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art that is known to a person skilled in the art.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a prevent that refluence pressure indicates stomach tube to alleviate the technical problem that current stomach tube does not possess the function of preventing refluence.
In order to solve the technical problem, the utility model provides a technical scheme lies in:
the utility model provides a backflow-preventing pressure-indicating stomach tube, which comprises a stomach tube body, an expansion air bag and an air core switch;
the inflation gasbag is located on the outer wall of stomach tube body, the gas core switch pass through the connecting pipe with the inflation gasbag intercommunication, the gas core switch be used for control right the inflation gasbag is aerifyd or is deflated, the configuration of inflation gasbag is to with the esophagus inner wall butt of human body after the inflation.
Further, the air pressure display device also comprises an air pressure display component;
the air pressure display assembly is communicated with the inflatable air bag and is used for displaying the air pressure in the inflatable air bag.
Further, the air pressure display assembly comprises a transparent shell, a movable piston and a first elastic piece;
the transparent shell is provided with a piston cavity, the movable piston is arranged in the piston cavity, the transparent shell is provided with a first air inlet communicated with the piston cavity, and the first air inlet is communicated with the inflatable air bag, so that the gas in the inflatable air bag can push the movable piston to move towards the direction far away from the first air inlet;
the first elastic member is provided between the moving piston and the transparent housing, and the first elastic member is configured to cause the moving piston to have a tendency to move in a direction approaching the first intake port.
Further, the transparent shell comprises a shell body and a limiting plate connected with the shell body;
the piston cavity is arranged between the shell body and the limiting plate in an enclosing mode, and the first air inlet is formed in the limiting plate.
Furthermore, a plurality of scale marks are arranged on the outer wall of the shell body, and the movable piston moves to one of the corresponding scale marks under the action of the gas pressure in the expansion air bag.
Further, the air core switch comprises an air core head part, a control part and an air inlet part;
a second air inlet is formed in one end of the head of the air core, a second air outlet is formed in the other end of the head of the air core, the control piece is arranged in the head of the air core, a second elastic piece is arranged between the control piece and the head of the air core, and the second elastic piece enables the control piece to have a tendency of always moving towards a direction close to the second air inlet so as to close the second air inlet;
the air inlet part is connected with the head part of the air core, an air inlet chamber communicated with the second air outlet is arranged in the air inlet part, and the air inlet chamber is communicated with the inflatable air bag through the connecting pipe;
the transparent shell is connected with the head of the air core in an integrated mode, and the first air inlet is communicated with the air inlet cavity.
Further, the control part comprises a control guide rod and a sealing gasket;
one end of the control guide rod extends out of the second air inlet, the other end of the control guide rod is in sliding fit with the second air outlet, and the sealing gasket is fixedly connected to the control guide rod;
the inner wall of gas core head is equipped with sealed bulge loop, the second air inlet is located on the sealed bulge loop, the second elastic component makes sealed pad have all the time support by in the trend of sealed bulge loop.
Further, the second elastic member includes a compression spring;
the compression spring is sleeved on the control guide rod, one end of the compression spring is abutted to the sealing gasket, and the other end of the compression spring is abutted to the inside of the head of the gas core.
Further, the connecting tube is arranged in the stomach tube body;
the stomach tube body is provided with a third air outlet, one end of the connecting pipe is communicated with the expansion air bag through the third air outlet, and the other end of the connecting pipe extends out of the stomach tube body and is communicated with the air core switch.
Further, the expanded shape of the expanded balloon is spindle-shaped.
Technical scheme more than combining, the utility model discloses the beneficial effect who reaches lies in:
the utility model provides a backflow-preventing pressure-indicating stomach tube, which comprises a stomach tube body, an expansion air bag and an air core switch; on the outer wall of stomach tube body was located to the inflation gasbag, the gas core switch passed through the connecting pipe and communicates with the inflation gasbag, and the gas core switch is used for control to inflate the inflation gasbag or the gassing, and the inflation gasbag configuration is to the esophagus inner wall butt with the human body after the inflation.
Because there is the inflation gasbag on the outer wall of stomach tube body, and the gas core switch passes through connecting pipe and inflation gasbag intercommunication, can aerify the inflation gasbag through the gas core switch for inflation gasbag inflation back and people's esophagus butt, the inflation gasbag can block gastric juice and food etc. and further shift up also be palirrhea after with the esophagus butt, the gas core switch can make the inflation gasbag remain throughout before bleeding the inflation gasbag and prevent the refluence function, has improved patient's safety in utilization.
Drawings
For a clear explanation of the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of an anti-reflux gastric tube according to an embodiment of the present invention;
fig. 2 is a schematic structural view of an air core switch in an anti-reflux gastric tube provided by the embodiment of the present invention.
Icon: 100-a gastric tube body; 110-closing the cap; 200-inflating the balloon; 300-gas core switch; 310-gas core head; 320-a control member; 321-a control guide rod; 322-a seal gasket; 330-an air inlet part; 331-an air intake chamber; 340-a second air inlet; 350-a second air outlet; 360-a second elastic member; 400-connecting pipe; 500-a barometric pressure display assembly; 510-a transparent housing; 511-a housing body; 512-limiting plate; 520-a moving piston; 530-a first elastic member; 540 — first air inlet.
Detailed Description
The technical solution of the present invention will be described in detail and fully with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that, as the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. appear, the indicated orientation or positional relationship thereof is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, but does not indicate or imply that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" as appearing herein are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" 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 in specific cases to those skilled in the art.
As shown in fig. 1, the present embodiment provides an anti-reflux pressure indicating gastric tube, which comprises a gastric tube body 100, an inflatable balloon 200 and a balloon switch 300; the inflatable balloon 200 is disposed on the outer wall of the gastric tube body 100, the gas core switch 300 is communicated with the inflatable balloon 200 through the connection tube 400, the gas core switch 300 is used for controlling the inflation or deflation of the inflatable balloon 200, and the inflatable balloon 200 is configured to abut against the inner wall of the esophagus of the human body after being inflated.
Specifically, stomach tube body 100 sets up to rubber, the hose that silica gel or polyurethane material made, and be provided with scale numerical value on the outer wall of stomach tube body 100, can conveniently observe the degree of depth that stomach tube body 100 inserted to the human body through scale numerical value, the bottom of stomach tube body 100 is provided with the liquid outlet, the top of stomach tube body 100 is provided with the inlet, and inlet department lid has closed the lid and closes cap 110, the lid closes cap 110 and still is equipped with the connection rope between the stomach tube body 100, can close the lid with the lid after accomplishing food transport or gastric juice extraction and in time cover the top at stomach tube body 100.
The anti-reflux stomach tube that this embodiment provided, because there is inflation gasbag 200 on the outer wall of stomach tube body 100, and gas core switch 300 communicates with inflation gasbag 200 through connecting pipe 400, can aerify inflation gasbag 200 through gas core switch 300, make inflation gasbag 200 expand back with people's esophagus butt, inflation gasbag 200 can block stomach juice and food etc. and further shift up also to flow back after with the esophagus butt, gas core switch 300 can make inflation gasbag 200 keep preventing the reflux function all the time before deflating inflation gasbag 200, patient's safety in utilization has been improved.
On the basis of the above embodiments, further, as shown in fig. 2, the anti-reflux gastric tube provided by the present embodiment further includes a pneumatic display assembly 500; the gas pressure display assembly 500 is in communication with the inflatable bladder 200 for displaying the gas pressure within the inflatable bladder 200.
Specifically, the air pressure display assembly 500 may be configured as an air pressure gauge or other visual air pressure display component, and the air pressure display assembly 500 may be communicated with the inflatable air bag 200 through the connection tube 400 or an additional tube body in the above embodiments; when regurgitation occurs, the regurgitation can be accumulated at the inflatable air bag 200 to press the inflatable air bag 200, so that the pressure of the gas in the inflatable air bag 200 is increased, and the medical staff can judge the regurgitation state, such as the amount of the regurgitation, through the gas pressure display assembly 500, so that the medical staff can take corresponding measures.
Further, as shown in fig. 2, the air pressure display assembly 500 includes a transparent housing 510, a moving piston 520, and a first elastic member 530; the transparent shell 510 is provided with a piston chamber, the movable piston 520 is arranged in the piston chamber, the transparent shell 510 is provided with a first air inlet 540 communicated with the piston chamber, and the first air inlet 540 is communicated with the inflatable airbag 200, so that the gas in the inflatable airbag 200 can push the movable piston 520 to move towards the direction far away from the first air inlet 540; the first elastic member 530 is disposed between the moving piston 520 and the transparent case 510, and the first elastic member 530 is configured such that the moving piston 520 has a tendency to move in a direction to approach the first air inlet 540.
Specifically, the transparent housing 510 is provided as a cylindrical housing structure made of transparent plastic, and accordingly, the piston chamber is a cylindrical chamber; transparent housing 510 may be fixedly attached to air core switch 300 or transparent housing 510 may be present separately from air core switch 300, preferably transparent housing 510 is fixedly attached to air core switch 300. The movable piston 520 is a cylindrical piston made of rubber, the first air inlet 540 can be an opening at the bottom end of the transparent shell 510, the gas in the inflatable air bag 200 can enter the piston chamber through the first air inlet 540 to push the movable piston 520 to move in the direction away from the first air inlet 540, and the larger the gas pressure in the inflatable air bag 200 is, the longer the moving distance of the movable piston 520 is; the movable piston 520 is provided in black so that the medical staff can observe the position of the movable piston 520 through the transparent housing 510.
The first elastic member 530 is preferably provided as a compression spring, one end of which abuts against the moving piston 520 and the other end of which abuts against the inner wall of the transparent case 510. In a normal state, that is, when no pressure exists in the expansion airbag 200, the compression spring presses the movable piston 520 against the first air inlet 540, the air pressure in the expansion airbag 200 pushes the movable piston 520 to move against the spring force in the anti-backflow use process, and other parameters such as the rigidity of the compression spring are reasonably set according to the use requirements.
Further, the transparent case 510 includes a case body 511 and a limit plate 512 connected to the case body 511; a piston chamber is enclosed between the housing body 511 and the limiting plate 512, and the first air inlet 540 is disposed on the limiting plate 512.
Specifically, the housing body 511 is made of transparent plastic, the limiting plate 512 is a circular plastic plate, the limiting plate 512 is connected with the bottom end of the housing body 511, and the first air inlet 540 is a circular through hole arranged at the center of the limiting plate 512; normally, the compression spring presses the moving piston 520 against the stopper plate 512.
Further, a plurality of graduation marks are provided on the outer wall of the housing body 511, and the movable piston 520 moves to a corresponding one of the graduation marks under the action of the gas pressure in the inflatable airbag 200.
Specifically, a plurality of scale marks are uniformly arranged on the outer wall of the housing body 511 at intervals along the length direction of the housing body 511, and a numerical code is correspondingly arranged at each of the plurality of scale marks, for example, arabic numerals 1, 2, 3, 4, 5, 6, etc., and when the moving piston 520 moves to different arabic numerals, different pressures of the gas in the inflatable airbag 200 are represented, preferably, the larger the arabic numeral is, the larger the pressure of the gas in the inflatable airbag 200 is.
According to the anti-reflux pressure indication stomach tube provided by the embodiment, through the arrangement of the air pressure display assembly 500, medical staff visually check the pressure in the expansion air bag 200 according to the position of the scale mark where the movable piston 520 is located or the position of the Arabic numerals, so that the quantity of reflux is conveniently measured, and the anti-reflux pressure indication stomach tube has very important guiding significance on subsequent clinical measures taken by the medical staff.
On the basis of the above embodiments, further, the present embodiment provides an anti-reflux pressure indication gastric tube air core switch 300, which comprises an air core head 310, a control member 320 and an air inlet 330; a second air inlet 340 is arranged at one end of the air core head part 310, a second air outlet 350 is arranged at the other end of the air core head part 310, the control part 320 is arranged in the air core head part 310, a second elastic part 360 is arranged between the control part 320 and the air core head part 310, and the second elastic part 360 enables the control part 320 to have a tendency of always moving towards the direction close to the second air inlet 340 so as to close the second air inlet 340; the air inlet part 330 is connected with the air core head part 310, an air inlet chamber 331 communicated with the second air outlet 350 is arranged in the air inlet part 330, and the air inlet chamber 331 is communicated with the inflatable air bag 200 through a connecting pipe 400; the transparent case 510 is integrally connected with the air core head 310, and the first air inlet 540 communicates with the air inlet chamber 331.
Specifically, the gas core head 310 is configured as a cylindrical structure, the second gas inlet 340 is disposed at the top end of the gas core head 310, and the second gas outlet 350 is disposed at the bottom end of the gas core head 310; the control member 320 is provided as a control valve core, the control member 320 can be in sealing fit with the second air inlet 340, and the second elastic member 360 presses the control member 320 against the second air inlet 340 in a normal state, that is, the second air inlet 340 is closed, so that the gas in the inflated airbag 200 cannot automatically escape; when it is desired to inflate inflatable bladder 200, control member 320 is pushed by the nozzle of the syringe or pump in a direction away from second inlet port 340 to open second inlet port 340 to complete the inflation process.
Further, the control member 320 includes a control guide 321 and a gasket 322; one end of the control guide rod 321 extends out of the second air inlet 340, the other end of the control guide rod 321 is in sliding fit with the second air outlet 350, and the sealing gasket 322 is fixedly connected to the control guide rod 321; the inner wall of gas core head 310 is equipped with sealed bulge loop, and on sealed bulge loop was located to second air inlet 340, second elastic component 360 made sealed pad 322 have the trend of leaning on in sealed bulge loop all the time.
Specifically, a sealing convex ring is arranged on the inner wall of the gas core head 310 and near the top end of the gas core head 310, and preferably, the sealing convex ring is integrally connected with the gas core head 310; the control guide rod 321 is a cylindrical plastic rod, the sealing gasket 322 is a circular gasket made of rubber, the sealing gasket 322 is sleeved on the control guide rod 321 and is fixedly connected with the control guide rod 321, and the plane where the sealing gasket 322 is located is perpendicular to the central axis of the control guide rod 321. Normally, the second elastic member 360 presses the sealing pad 322 against the sealing protrusion ring, so that the second air inlet 340 is closed. The bottom end of the gas core head 310 extends out of a guide sleeve, the opening at the bottom end of the guide sleeve is set as a second gas outlet 350, the top end of the control guide rod 321 extends out of the second gas inlet 340 in a normal state, the bottom end of the control guide rod 321 is arranged in the guide sleeve or extends out of the guide sleeve, and the guide sleeve provides a guiding effect for the process that the control guide rod 321 drives the sealing gasket 322 to move in the direction away from the second gas inlet 340 after being stressed.
Further, the second elastic member 360 includes a compression spring; the compression spring is sleeved on the control guide rod 321, one end of the compression spring is abutted against the sealing gasket 322, and the other end of the compression spring is abutted against the inside of the air core head part 310.
Specifically, the compression spring is always in a compressed state, the top end of the compression spring abuts against the bottom surface of the sealing gasket 322, the bottom end of the compression spring abuts against the inner wall of the bottom end of the gas core head 310, and in a normal state, the compression spring enables the sealing gasket 322 to be attached to the sealing convex ring, that is, the second gas inlet 340 is closed.
Further, as shown in fig. 1, the connecting tube 400 is disposed in the gastric tube body 100; the stomach tube body 100 is provided with a third air outlet, one end of the connecting tube 400 is communicated with the inflatable air bag 200 through the third air outlet, and the other end of the connecting tube 400 extends out of the stomach tube body 100 and is communicated with the air core switch 300.
Specifically, the connecting tube 400 is located in the gastric tube body 100, so that the connecting tube 400 can be prevented from obstructing the running-in process of the gastric tube body 100; inflation gasbag 200 can bond and fix on the outer wall of stomach tube body 100, and the third gas outlet is the round hole of setting on the outer wall of stomach tube body 100, and the bottom of connecting pipe 400 is connected with stomach tube body 100 at the third gas outlet, and the third gas outlet also is inflation gasbag 200's air inlet, and connecting pipe 400 communicates through third gas outlet and inflation gasbag 200.
Further, the inflated balloon 200 has a spindle-like shape.
Specifically, the inflatable air bag 200 is made of silica gel or rubber, the inflatable air bag 200 is like an inflatable balloon, the expanded shape of the inflatable air bag 200 is spindle-shaped or ellipsoidal, the spindle-shaped inflatable air bag 200 has no obvious edges and corners, and the contact with the inner wall of the esophagus of a patient is smooth, so that the injury to the esophagus is avoided; in addition, the contact area of the cone-shaped inflatable air bag 200 and the inner wall of the esophagus is large, and the blocking effect on the reflux is better.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (8)
1. An anti-reflux pressure indicating gastric tube, comprising: a stomach tube body (100), an inflatable air bag (200) and an air core switch (300);
the inflatable air bag (200) is arranged on the outer wall of the stomach tube body (100), the air core switch (300) is communicated with the inflatable air bag (200) through a connecting tube (400), the air core switch (300) is used for controlling the inflation or deflation of the inflatable air bag (200), and the inflatable air bag (200) is configured to be abutted against the inner wall of the esophagus of a human body after being inflated;
further comprising a barometric pressure display assembly (500);
the air pressure display assembly (500) is communicated with the inflatable air bag (200) and is used for displaying the air pressure in the inflatable air bag (200);
the air pressure display assembly (500) comprises a transparent shell (510), a movable piston (520) and a first elastic piece (530);
the transparent shell (510) is provided with a piston cavity, the movable piston (520) is arranged in the piston cavity, a first air inlet (540) communicated with the piston cavity is formed in the transparent shell (510), and the first air inlet (540) is communicated with the inflatable air bag (200), so that the gas in the inflatable air bag (200) can push the movable piston (520) to move in a direction away from the first air inlet (540);
the first elastic member (530) is disposed between the moving piston (520) and the transparent housing (510), and the first elastic member (530) is configured such that the moving piston (520) has a tendency to move in a direction approaching the first air inlet (540).
2. Anti-reflux pressure indicating gastric tube according to claim 1, characterized in that said transparent shell (510) comprises a shell body (511) and a limiting plate (512) connected to said shell body (511);
the piston chamber is enclosed between the shell body (511) and the limiting plate (512), and the first air inlet (540) is formed in the limiting plate (512).
3. Anti-reflux pressure indicating gastric tube according to claim 2, characterized in that a plurality of graduations are provided on the outer wall of said housing body (511), said moving piston (520) being moved to a corresponding one of said graduations by the gas pressure inside said inflatable balloon (200).
4. An anti-reflux pressure indicating gastric tube according to claim 1, wherein the air core switch (300) comprises an air core head (310), a control (320) and an air inlet (330);
a second air inlet (340) is formed in one end of the air core head (310), a second air outlet (350) is formed in the other end of the air core head (310), the control piece (320) is arranged in the air core head (310), a second elastic piece (360) is arranged between the control piece (320) and the air core head (310), and the second elastic piece (360) enables the control piece (320) to have a trend of always moving towards a direction close to the second air inlet (340) so as to close the second air inlet (340);
the air inlet part (330) is connected with the air core head part (310), an air inlet chamber (331) communicated with the second air outlet (350) is arranged in the air inlet part (330), and the air inlet chamber (331) is communicated with the inflatable air bag (200) through the connecting pipe (400);
the transparent case (510) is integrally connected with the air core head (310), and the first air inlet (540) communicates with the air inlet chamber (331).
5. An anti-reflux pressure indicating gastric tube according to claim 4, wherein said control (320) comprises a control guide (321) and a gasket (322);
one end of the control guide rod (321) extends out of the second air inlet (340), the other end of the control guide rod (321) is in sliding fit with the second air outlet (350), and the sealing gasket (322) is fixedly connected to the control guide rod (321);
the inner wall of gas core head (310) is equipped with sealed bulge loop, second air inlet (340) are located on the sealed bulge loop, second elastic component (360) make sealed pad (322) have all the time lean on in the trend of sealed bulge loop.
6. An anti-reflux pressure indicating gastric tube according to claim 5, wherein said second elastic member (360) comprises a compression spring;
the compression spring is sleeved on the control guide rod (321), one end of the compression spring is abutted to the sealing gasket (322), and the other end of the compression spring is abutted to the inside of the gas core head (310).
7. Anti-reflux pressure indicating gastric tube according to any of claims 1 to 6, characterized in that said connection tube (400) is placed inside said gastric tube body (100);
be equipped with the third gas outlet on stomach tube body (100), the one end of connecting pipe (400) is passed through the third gas outlet with inflation gasbag (200) intercommunication, the other end of connecting pipe (400) stretches out stomach tube body (100) with gas core switch (300) intercommunication.
8. Anti-reflux pressure indicating gastric tube according to any of claims 1 to 6, characterized in that the inflated profile of the inflatable balloon (200) is spindle-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021024918.7U CN214232102U (en) | 2020-06-05 | 2020-06-05 | Anti-reflux pressure indication stomach tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021024918.7U CN214232102U (en) | 2020-06-05 | 2020-06-05 | Anti-reflux pressure indication stomach tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214232102U true CN214232102U (en) | 2021-09-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021024918.7U Expired - Fee Related CN214232102U (en) | 2020-06-05 | 2020-06-05 | Anti-reflux pressure indication stomach tube |
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| CN (1) | CN214232102U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114837261A (en) * | 2022-05-11 | 2022-08-02 | 山东正晨科技股份有限公司 | Pressure stabilizing device for tunnel fire-fighting water supply system |
| CN116870333A (en) * | 2023-09-06 | 2023-10-13 | 浙江大学医学院附属第二医院 | Stomach tube with positioning and backflow preventing functions, positioning method thereof and backflow preventing method |
-
2020
- 2020-06-05 CN CN202021024918.7U patent/CN214232102U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114837261A (en) * | 2022-05-11 | 2022-08-02 | 山东正晨科技股份有限公司 | Pressure stabilizing device for tunnel fire-fighting water supply system |
| CN114837261B (en) * | 2022-05-11 | 2023-01-10 | 山东正晨科技股份有限公司 | Pressure stabilizing device for tunnel fire-fighting water supply system |
| CN116870333A (en) * | 2023-09-06 | 2023-10-13 | 浙江大学医学院附属第二医院 | Stomach tube with positioning and backflow preventing functions, positioning method thereof and backflow preventing method |
| CN116870333B (en) * | 2023-09-06 | 2023-12-19 | 浙江大学医学院附属第二医院 | Stomach tube with positioning and backflow preventing functions, positioning method thereof and backflow preventing method |
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Granted publication date: 20210921 |