CN215584957U - Negative pressure formula gastric juice collection device - Google Patents
Negative pressure formula gastric juice collection device Download PDFInfo
- Publication number
- CN215584957U CN215584957U CN202120300242.8U CN202120300242U CN215584957U CN 215584957 U CN215584957 U CN 215584957U CN 202120300242 U CN202120300242 U CN 202120300242U CN 215584957 U CN215584957 U CN 215584957U
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- China
- Prior art keywords
- air
- pipe
- tube
- shell
- gastric juice
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- Expired - Fee Related
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- 210000004051 gastric juice Anatomy 0.000 title claims abstract description 31
- 238000012216 screening Methods 0.000 claims abstract description 30
- 210000002784 stomach Anatomy 0.000 claims abstract description 25
- 239000011261 inert gas Substances 0.000 claims abstract description 11
- 239000007789 gas Substances 0.000 claims abstract description 10
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 16
- 229910052757 nitrogen Inorganic materials 0.000 claims description 8
- 210000003437 trachea Anatomy 0.000 claims description 2
- 238000007789 sealing Methods 0.000 claims 1
- 230000002496 gastric effect Effects 0.000 abstract description 6
- 230000007547 defect Effects 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 abstract description 4
- 238000005457 optimization Methods 0.000 description 4
- 239000007788 liquid Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000001580 bacterial effect Effects 0.000 description 1
- 230000000740 bleeding effect Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000028327 secretion Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a negative pressure type gastric juice collecting device, which relates to the field of medical appliances and comprises a stomach tube, a down flow tube, an up flow tube, a negative pressure air pump, an air inlet tube, a screening air tube, an air storage tank and inert gas; the stomach tube, the down flow tube and the up flow tube are sequentially communicated, the stomach tube is connected with the down flow tube in an N shape, and the down flow tube is connected with the up flow tube in a U shape or a V shape; the tail end of the upper flow pipe is connected and communicated with the negative pressure air pump; the left end and the right end of the screening air pipe are respectively connected and communicated with the down flow pipe and the up flow pipe, and the tail end of the air inlet pipe is connected and communicated with the top end of the stomach tube or the top end of the down flow pipe; the starting end of the air inlet pipe is connected with the gas storage tank in a detachable and sealed way; the gas storage tank comprises a shell and a piston, the shell is in a hollow column shape, and the piston is positioned in an inner cavity of the shell and is in sliding connection with the inner cavity of the shell; and the right air chamber is filled with inert gas. Finally, the utility model avoids the defects of the traditional technology that gastric juice is exposed in the air and hidden danger of splashing gastric juice caused by repeatedly separating the gastric tube and the negative pressure ball in China.
Description
Technical Field
The utility model relates to the field of medical appliances, in particular to a negative-pressure gastric juice collecting device.
Background
Gastric juice collection is a method for examining gastric juice by feeding a gastric tube into the stomach through the nose or mouth and extracting the gastric juice, and aims to understand the secretion function and emptying state of the stomach, whether bleeding exists in the stomach, bacterial reproduction and the like.
In the traditional technology, a stomach tube and a negative pressure ball need to be separated repeatedly, so that gastric juice of a material flow front is exposed in the air, oxidation is easily caused, and the hidden danger of splashing of gastric juice exists.
Disclosure of Invention
In order to overcome the defects that the gastric juice is exposed in the air and hidden danger of gastric juice splashing exists due to repeated separation of the gastric tube and the negative pressure ball in the background technology, the utility model provides the negative pressure type gastric juice collecting device.
The technical scheme adopted by the utility model for solving the defects is as follows: a negative pressure type gastric juice collecting device comprises a gastric tube, a down flow tube, an up flow tube, a negative pressure air pump, an air inlet tube, a screening air tube, an air storage tank and inert gas; the stomach tube, the down flow tube and the up flow tube are sequentially communicated, the stomach tube is connected with the down flow tube in an N shape, and the down flow tube is connected with the up flow tube in a U shape or a V shape; the tail end of the upper flow pipe is connected and communicated with the negative pressure air pump; the left end and the right end of the screening air pipe are respectively connected and communicated with the lower flow pipe and the upper flow pipe, and the height of the right end of the screening air pipe is 5 cm-10 cm higher than that of the left end; the tail end of the air inlet pipe is connected and communicated with the top end of the stomach tube or the top end of the down flow pipe; the starting end of the air inlet pipe is connected with the gas storage tank in a detachable and sealed way; the gas storage tank comprises a shell and a piston, the shell is in a hollow column shape, and the piston is positioned in an inner cavity of the shell and is in sliding connection with the inner cavity of the shell; the piston divides the inner cavity of the shell into a left air chamber and a right air chamber, and the right air chamber is filled with inert gas; the right side surface of the shell is provided with an exhaust hole, and the right air chamber, the exhaust hole and the exhaust pipe are communicated in sequence; the left side surface of the shell is provided with an air inlet which is communicated with the left air chamber.
As a further optimization of the present invention, the inert gas is nitrogen.
As a further optimization scheme of the utility model, the air inlet pipe is provided with a ball valve.
As a further optimization scheme of the utility model, the screening air pipes are three in number and are respectively a first screening air pipe, a second screening air pipe and a third screening air pipe.
As a further optimization scheme of the utility model, the outer surface of the lower flow pipe and/or the upper flow pipe is/are provided with scales.
The utility model has the advantages that: the gastric juice is mixed with the nitrogen when flowing through the downpipe, when the gas-liquid mixture flows to the bottom of the downpipe, the gastric juice continuously flows to the connecting position of the downpipe and the upflow pipe, the nitrogen is pumped out by the negative pressure air pump after passing through the screening air pipe and the upper part of the upflow pipe, and the gastric juice is deposited at the connecting position of the downpipe and the upflow pipe; medical personnel can estimate the stomach liquid amount through the scale reading; after the requirement of sampling to the volume is reached, the stomach tube is pulled out to cut off the downcast and the upcast, and the downcast and the upcast are knotted to avoid the inrush of air. Finally, the utility model avoids the defects of the traditional technology that gastric juice is exposed in the air and hidden danger of splashing gastric juice caused by repeatedly separating the gastric tube and the negative pressure ball in China.
Drawings
The present application is further described below with reference to the accompanying drawings:
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of a screening trachea structure;
FIG. 3 is a schematic view of the gas storage tank;
in the figure, 1, a stomach tube; 2. a down pipe; 3. an up-flow pipe; 4. a negative pressure air pump; 5. an air inlet pipe; 6. screening air pipes; 61. a first screening air pipe; 62. a second screening air pipe; 63. thirdly, screening the air pipes; 7. a gas storage tank; 71. a housing; 72. a piston; 73. an exhaust hole; 74. and (4) air inlet holes.
Detailed Description
According to the above structural features of the present application, the embodiments of the present application will be further explained:
referring to fig. 1 to 3, the present embodiment provides a negative pressure type gastric juice collecting device, including a gastric tube 1, a down flow tube 2, an up flow tube 3, a negative pressure air pump 4, an air inlet tube 5, a screening air tube 6, an air storage tank 7 and inert gas; the stomach tube 1, the down flow tube 2 and the up flow tube 3 are sequentially communicated, the stomach tube 1 is connected with the down flow tube 2 in an N shape, and the down flow tube 2 is connected with the up flow tube 3 in a U shape or a V shape; the tail end of the upper flow pipe 3 is connected and communicated with the negative pressure air pump 4; the left end and the right end of the screening air pipe 6 are respectively connected and communicated with the lower flow pipe 2 and the upper flow pipe 3, and the height of the right end of the screening air pipe 6 is 5 cm-10 cm higher than that of the left end; the tail end of the air inlet pipe 5 is connected and communicated with the top end of the stomach tube 1 or the top end of the down flow pipe 2; the starting end of the air inlet pipe 5 is connected with the air storage tank 7 in a detachable and sealed way; the gas storage tank 7 comprises a shell 71 and a piston 72, wherein the shell 71 is in a hollow cylindrical shape, and the piston 72 is positioned in an inner cavity of the shell 71 and is in sliding connection; the piston 72 divides the inner cavity of the shell 71 into a left air chamber and a right air chamber, and the right air chamber is filled with inert gas; the right side surface of the shell 71 is provided with an exhaust hole 73, and the right air chamber, the exhaust hole 73 and the exhaust pipe are communicated in sequence; an air inlet hole 74 is formed in the left side face of the shell 71, the air inlet hole 74 is communicated with the left air chamber, and the air inlet hole 74 is used for balancing air pressure between the left air chamber and the outside to guarantee normal movement of the piston 72.
The inert gas is nitrogen. The air inlet pipe 5 is provided with a ball valve. The screening air pipes 6 are three in total and are respectively a first screening air pipe 61, a second screening air pipe 62 and a third screening air pipe 63. Scales are arranged on the outer surfaces of the lower flow pipe 2 and/or the upper flow pipe 3.
The working principle and the using method are as follows: the ball valve is in a closed state at ordinary times; inserting the stomach tube 1 into the stomach of a patient, starting the negative pressure air pump 4, opening the ball valve at the same time, doping the gastric juice with nitrogen when the gastric juice flows through the downpipe 2, continuously allowing the gastric juice to flow to the connecting position of the downpipe 2 and the uppipe 3 when the gas-liquid mixture flows to the bottom of the downpipe 2, pumping the nitrogen out by the negative pressure air pump 4 after the nitrogen passes through the screening gas pipe 6 and the upper part of the uppipe 3, and depositing the gastric juice at the connecting position of the downpipe 2 and the uppipe 3; medical personnel can estimate the stomach fluid volume (namely the volume of the gastric juice) through the scale reading; after the requirement of sampling on the volume is met, the stomach tube 1 is pulled out to cut off the downpipe 2 and the upwelling pipe 3, and the downpipe 2 and the upwelling pipe 3 are knotted (namely, braided knots based on ropes, such as bowknots and dead knots) to avoid the inrush of air.
In the description of the present invention, it should be noted that the terms "upper", "lower", "left", "right", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referred 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.
In the description of the present invention, it should be further noted that, unless otherwise specifically stated or limited, the terms "disposed," "mounted," and "connected" are to be construed broadly and may include, for example, fixed connections, removable connections, integral connections, mechanical connections, electrical connections, direct connections, connections through intervening media, and communications between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In view of the above, it will be apparent to those skilled in the art from this disclosure that various changes, modifications, substitutions, and alterations can be made without departing from the spirit and scope of the utility model.
Claims (5)
1. The utility model provides a negative pressure formula gastric juice collection device, includes stomach tube (1), downcast (2), upper flow tube (3), negative pressure air pump (4), intake pipe (5), screening trachea (6), gas storage case (7) and inert gas, its characterized in that:
the stomach tube (1), the down tube (2) and the up tube (3) are sequentially communicated, the stomach tube (1) is connected with the down tube (2) in an N shape, and the down tube (2) is connected with the up tube (3) in a U shape or a V shape; the tail end of the upper flow pipe (3) is connected and communicated with a negative pressure air pump (4);
the left end and the right end of the screening air pipe (6) are respectively connected and communicated with the lower flow pipe (2) and the upper flow pipe (3), and the height of the right end of the screening air pipe (6) is 5 cm-10 cm higher than that of the left end;
the tail end of the air inlet pipe (5) is connected and communicated with the top end of the stomach tube (1) or the top end of the down flow pipe (2); the starting end of the air inlet pipe (5) is connected with the air storage tank (7) through detachable sealing; the gas storage tank (7) comprises a shell (71) and a piston (72), the shell (71) is in a hollow column shape, and the piston (72) is positioned in an inner cavity of the shell (71) and is in sliding connection; the piston (72) divides the inner cavity of the shell (71) into a left air chamber and a right air chamber, and inert gas is filled in the right air chamber; the right side surface of the shell (71) is provided with an exhaust hole (73), and the right air chamber, the exhaust hole (73) and the exhaust pipe are communicated in sequence; an air inlet hole (74) is formed in the left side face of the shell (71), and the air inlet hole (74) is communicated with the left air chamber.
2. The negative-pressure gastric juice collection device of claim 1, wherein: the inert gas is nitrogen.
3. The negative-pressure gastric juice collection device of claim 1, wherein: the air inlet pipe (5) is provided with a ball valve.
4. The negative-pressure gastric juice collection device of claim 1, wherein: the screening air pipes (6) are three in number and are respectively a first screening air pipe (61), a second screening air pipe (62) and a third screening air pipe (63).
5. The negative-pressure gastric juice collection device of claim 1, wherein: scales are arranged on the outer surfaces of the lower flow pipe (2) and/or the upper flow pipe (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120300242.8U CN215584957U (en) | 2021-02-03 | 2021-02-03 | Negative pressure formula gastric juice collection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120300242.8U CN215584957U (en) | 2021-02-03 | 2021-02-03 | Negative pressure formula gastric juice collection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215584957U true CN215584957U (en) | 2022-01-21 |
Family
ID=79869187
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120300242.8U Expired - Fee Related CN215584957U (en) | 2021-02-03 | 2021-02-03 | Negative pressure formula gastric juice collection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215584957U (en) |
-
2021
- 2021-02-03 CN CN202120300242.8U patent/CN215584957U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220121 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |