CN116491988B - Gastric reflux sampling device for general surgery department - Google Patents
Gastric reflux sampling device for general surgery department Download PDFInfo
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- CN116491988B CN116491988B CN202310452386.9A CN202310452386A CN116491988B CN 116491988 B CN116491988 B CN 116491988B CN 202310452386 A CN202310452386 A CN 202310452386A CN 116491988 B CN116491988 B CN 116491988B
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- 238000005070 sampling Methods 0.000 title claims abstract description 87
- 238000010992 reflux Methods 0.000 title claims abstract description 41
- 238000002682 general surgery Methods 0.000 title claims abstract description 13
- 230000002496 gastric effect Effects 0.000 title abstract description 6
- 230000007246 mechanism Effects 0.000 claims abstract description 24
- 210000003238 esophagus Anatomy 0.000 claims abstract description 20
- 230000000903 blocking effect Effects 0.000 claims abstract description 10
- 239000007788 liquid Substances 0.000 claims description 26
- 208000021302 gastroesophageal reflux disease Diseases 0.000 claims description 17
- 230000002146 bilateral effect Effects 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 7
- 238000007599 discharging Methods 0.000 claims description 5
- 230000009471 action Effects 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 3
- 210000002784 stomach Anatomy 0.000 description 3
- 230000004064 dysfunction Effects 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 210000004051 gastric juice Anatomy 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 210000004877 mucosa Anatomy 0.000 description 1
- 210000005070 sphincter Anatomy 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B10/00—Other methods or instruments for diagnosis, e.g. instruments for taking a cell sample, for biopsy, for vaccination diagnosis; Sex determination; Ovulation-period determination; Throat striking implements
- A61B10/0045—Devices for taking samples of body liquids
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/64—Containers with integrated suction means
- A61M1/67—Containers incorporating a piston-type member to create suction, e.g. syringes
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/71—Suction drainage systems
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/71—Suction drainage systems
- A61M1/74—Suction control
- A61M1/741—Suction control with means for varying suction manually
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/71—Suction drainage systems
- A61M1/78—Means for preventing overflow or contamination of the pumping systems
- A61M1/782—Means for preventing overflow or contamination of the pumping systems using valves with freely moving parts, e.g. float valves
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M25/00—Catheters; Hollow probes
- A61M25/10—Balloon catheters
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M25/00—Catheters; Hollow probes
- A61M25/10—Balloon catheters
- A61M25/1018—Balloon inflating or inflation-control devices
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B10/00—Other methods or instruments for diagnosis, e.g. instruments for taking a cell sample, for biopsy, for vaccination diagnosis; Sex determination; Ovulation-period determination; Throat striking implements
- A61B10/0045—Devices for taking samples of body liquids
- A61B2010/0061—Alimentary tract secretions, e.g. biliary, gastric, intestinal, pancreatic secretions
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2210/00—Anatomical parts of the body
- A61M2210/10—Trunk
- A61M2210/1042—Alimentary tract
- A61M2210/105—Oesophagus
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2210/00—Anatomical parts of the body
- A61M2210/10—Trunk
- A61M2210/1042—Alimentary tract
- A61M2210/1053—Stomach
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- Health & Medical Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Public Health (AREA)
- Biomedical Technology (AREA)
- Engineering & Computer Science (AREA)
- Veterinary Medicine (AREA)
- Hematology (AREA)
- General Health & Medical Sciences (AREA)
- Anesthesiology (AREA)
- Vascular Medicine (AREA)
- Child & Adolescent Psychology (AREA)
- Biophysics (AREA)
- Pulmonology (AREA)
- Surgery (AREA)
- Molecular Biology (AREA)
- Medical Informatics (AREA)
- Pathology (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses a gastric reflux sampling device for general surgery department, which comprises a catheter, wherein the inner wall of one end of the catheter is connected with a pressing pipe in a sliding way, the symmetrical positions of the two sides of the pressing pipe, which are close to one end of the catheter, are respectively provided with a first through groove, the inner walls of the two first through grooves are connected with a first supporting rod in a sliding way, the two ends of the first supporting rod penetrate through the catheter and are fixedly connected with a reset spring for pushing the pressing pipe to reset, the opposite surface of the inner wall of the pressing pipe and the first supporting rod is fixedly connected with a connecting pipe, the inner wall of the first supporting rod, which is far away from the reset spring, is fixedly connected with a sliding rod, which is close to one end of the first supporting rod, on the pressing pipe is axially moved on the connecting pipe, the symmetrical positions of the two sides of the pressing pipe, which are close to one end of the pressing pipe, are respectively fixedly connected with triangular blocks for facilitating personnel to press the pressing pipe, and a blocking mechanism for blocking the esophagus of a patient is also arranged on the catheter.
Description
Technical Field
The invention relates to the technical field of medical equipment, in particular to a gastric reflux sampling device for general surgery.
Background
The disease of clinical gastroesophageal reflux disease and esophageal mucosa damage caused by excessive contact or exposure of the gastroesophageal cavity to gastric juice is called gastroesophageal reflux. The occurrence of gastroesophageal reflux and its complications is multifactorial. Among these are defects in the oesophageal itself against the reflux mechanism, such as dysfunction of the lower oesophageal sphincter and abnormal oesophageal body movement; there are also dysfunction of many mechanical factors outside the esophagus.
When the conventional general surgical gastroesophageal reflux sampling device is used for sampling the gastroesophageal, the esophagus is difficult to be blocked, gastroesophageal reflux is easy to be caused, and the pain of a patient is increased.
For this purpose we propose a gastric reflux sampling device for general surgery.
Disclosure of Invention
The invention aims to provide a gastric reflux sampling device for general surgery department, which has the advantage of blocking esophagus and solves the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a general surgery stomach esophagus reflux sampling device, includes the pipe, the inner wall sliding connection of pipe one end presses the pipe, press the pipe and be close to the bilateral symmetry position of pipe one end and all seted up first logical groove, two the inner wall sliding connection of first logical groove has first bracing piece, the both ends of first bracing piece run through pipe and fixed connection, the opposite face fixedly connected with of pressing pipe inner wall and first bracing piece promotes the reset spring who presses the pipe to reset and remove, the one end fixedly connected with connecting pipe that reset spring was kept away from to first bracing piece, the inner wall fixedly connected with slide bar that is close to first bracing piece one end on the pressing pipe, and the slide bar carries out axial displacement on the connecting pipe, the equal fixedly connected with of bilateral symmetry position that is close to pressing pipe one end on the pipe makes things convenient for personnel to press the triangular block that presses the pipe, still be equipped with the blocking mechanism that blocks up patient's esophagus on the pipe.
Preferably, the blocking mechanism comprises an air bag fixedly connected to the outer contour of the guide pipe close to the central position, an annular plate is fixedly connected to the inner wall of the guide pipe and the corresponding position of the air bag, the annular plate is in sliding connection with the sliding rod, cylindrical shells are fixedly connected to the symmetrical positions of the two sides of the annular plate close to one end of the pressing pipe, an exhaust pipe for enabling gas in the cylindrical shells to enter the inner wall of the air bag is penetrated and fixedly connected to the outer contour of the cylindrical shell close to one end of the annular plate, and one end of the exhaust pipe away from the cylindrical shell penetrates through the guide pipe and the inner wall of the air bag.
Preferably, the auxiliary mechanism for extracting or discharging the gas in the cylindrical shell is further arranged on the cylindrical shell, the auxiliary mechanism comprises a piston plate which is slidably connected with the inner wall of the cylindrical shell, one end of the piston plate, which is far away from the exhaust pipe, is fixedly connected with a moving rod which pulls the piston plate to axially reciprocate, and one end of the moving rod, which is far away from the piston plate, penetrates through the cylindrical shell and is fixedly connected with the pressing pipe.
Preferably, the slide bar is provided with a sampling mechanism for sampling the reflux, the sampling mechanism comprises a sampling tube fixedly connected to the outer contour of one end of the slide bar far away from the pressing tube, and the sampling tube axially moves on the inner wall of the guide tube.
Preferably, the sampling pipe is close to the bilateral symmetry position of slide bar one end and has all seted up the second through groove, two the inner wall in second through groove runs through and sliding connection has the second backup pad, and the both ends and the inner wall fixed connection of pipe of second backup pad, the one end that the first bracing piece was kept away from to the connecting pipe runs through the second backup pad and fixed connection.
Preferably, the sampling mechanism further comprises a sealing plate fixedly connected with the outer contour of one end of the connecting pipe, which is close to the second supporting plate, and the sealing plate is used for extracting the reflux to the inner wall of the sampling pipe.
Preferably, the inner wall fixedly connected with that the slide bar one end was kept away from to the sampling pipe carries out the one-way feed liquor valve of ration extraction to the reflux thing, the inner wall fixedly connected with that the connecting pipe is close to closing plate one end carries out the one-way flowing back valve of ration emission with the inside reflux thing of sampling pipe.
Preferably, the hole groove is seted up to one side of first bracing piece, and the hole groove is linked together with the connecting pipe, the inner wall fixedly connected with fluid-discharge tube of connecting pipe one end is kept away from to the hole groove, the one end fixedly connected with that the fluid-discharge tube kept away from the hole groove carries out the holding vessel of depositing to the reflux thing sample.
Compared with the prior art, the invention has the following beneficial effects:
through setting up blocking mechanism, promote movable rod and piston board through pressing the pipe and carry out axial displacement towards the one end that is close to the blast pipe, and the inner wall atmospheric pressure that the cylindricality casing is close to blast pipe one end is the negative pressure to the blast pipe is with the inside of cylindricality casing inside gas emission to the gasbag under the effect of negative pressure, along with the gas entering, makes the gasbag inflation and the contact of esophagus inner wall, then the gasbag can block up the esophagus, has avoided food to flow backward to cause uncomfortable to the patient and has felt, and then has improved the security.
Through setting up sampling mechanism, when moving towards the one end of keeping away from the gasbag with the sampling pipe, then the inside atmospheric pressure that the sampling pipe is close to one-way feed liquor valve one end is malleation, and one-way feed liquor valve is open state, and one-way flowing back valve is closed state to the sampling pipe can be with the reflux thing suction to the inner wall, and then has realized that the sampling pipe is to the reflux thing sampling.
Through the hole groove of seting up on the first bracing piece, then the hole groove is linked together with the connecting pipe, through the fluid-discharge tube that sets up on the hole groove, and the holding vessel that sets up on the fluid-discharge tube, when moving towards the one end that is close to the gasbag along with the sampling pipe to the inside reflux thing of sampling pipe is discharged to the inside of holding vessel through connecting pipe, hole groove and fluid-discharge tube, and then can make the holding vessel deposit the reflux thing sample.
The problems that the esophagus is difficult to be blocked and the gastroesophageal reflux is easy to be caused and the pain of a patient is increased when the gastroesophageal reflux sampling device for general surgery is used for sampling the gastroesophageal are solved through the matched use of the structure.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic cross-sectional view of a three-dimensional structure of the present invention;
FIG. 3 is a schematic cross-sectional view of a sampling tube according to the present invention;
FIG. 4 is a schematic view of the three-dimensional structure of the air bag according to the present invention;
FIG. 5 is a schematic cross-sectional view of a drain and reservoir of the present invention;
FIG. 6 is a schematic perspective view of a pressing tube according to the present invention;
FIG. 7 is a schematic perspective view of a sampling tube according to the present invention;
FIG. 8 is a schematic view of the structure of FIG. 2A according to the present invention;
FIG. 9 is a schematic view of the structure of FIG. 2B according to the present invention;
fig. 10 is a schematic side cross-sectional view of a cylindrical housing of the present invention.
In the figure: 1. a conduit; 101. triangular blocks; 2. pressing the tube; 21. a first through groove; 3. a first support bar; 31. a hole groove; 4. a return spring; 5. a connecting pipe; 6. a slide bar; 7. an air bag; 8. an annular plate; 9. a cylindrical housing; 10. an exhaust pipe; 11. a piston plate; 12. a moving rod; 13. a sampling tube; 131. a second through slot; 14. a second support plate; 15. a sealing plate; 16. a one-way liquid discharge valve; 17. a one-way liquid inlet valve; 18. a liquid discharge pipe; 19. a storage tank.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
Referring to fig. 1 to 10, the present invention provides a technical solution: the utility model provides a general surgery gastroesophageal reflux sampling device, includes pipe 1, the inner wall sliding connection of pipe 1 one end has presses pipe 2, press the bilateral symmetry position that pipe 2 is close to pipe 1 one end all offered first logical groove 21, two the inner wall sliding connection of first logical groove 21 has first bracing piece 3, the both ends of first bracing piece 3 run through pipe 1 and fixed connection, the relative face fixedly connected with of pressing pipe 2 inner wall and first bracing piece 3 promotes to press pipe 2 to reset the reset spring 4 of removal, the one end fixedly connected with connecting pipe 5 of reset spring 4 is kept away from to first bracing piece 3, the inner wall fixedly connected with slide bar 6 that is close to first bracing piece 3 one end on pressing pipe 2, and slide bar 6 carries out axial displacement on connecting pipe 5, the bilateral symmetry position that is close to pressing pipe 2 one end on pipe 1 is all fixedly connected with convenient personnel to press the triangle 101 of pipe 2, still be equipped with on pipe 1 and block up the mechanism that blocks up the patient's esophagus.
In use, the catheter 1 is placed into the stomach of a patient, the triangular block 101 arranged on the catheter 1 is used for facilitating a doctor to press the pressing tube 2 manually, the pressing tube 2 moves axially towards one end close to the catheter 1, the first support rod 3 slides along with the pressing tube 2 moving towards one end close to the catheter 1 through the reset spring 4 arranged on the first support rod 3 and the inner wall of the first through groove 21, so that the reset spring 4 contracts under the pressure of the pressing tube 2, and when the doctor releases the pressing of the pressing tube 2, the pressing tube 2 moves axially towards one end far away from the catheter 1 under the elasticity of the reset spring 4, and the pressing tube 2 can reciprocate axially on the inner wall of the catheter 1.
Example two
On the basis of the first embodiment, further:
the blocking mechanism comprises an air bag 7 fixedly connected to the outer contour of the guide pipe 1 close to the central position, an annular plate 8 is fixedly connected to the inner wall of the guide pipe 1 and the corresponding position of the air bag 7, the annular plate 8 is in sliding connection with a sliding rod 6, cylindrical shells 9 are fixedly connected to the symmetrical positions of the two sides of the annular plate 8 close to one end of the pressing pipe 2, an exhaust pipe 10 for enabling gas in the cylindrical shells 9 to enter the inner wall of the air bag 7 is penetrated and fixedly connected to the outer contour of the cylindrical shells 9 close to one end of the annular plate 8, and one end, far away from the cylindrical shells 9, of the exhaust pipe 10 penetrates through the inner walls of the guide pipe 1 and the air bag 7.
The auxiliary mechanism for extracting or discharging the gas in the cylindrical shell 9 is further arranged on the cylindrical shell 9 and comprises a piston plate 11 which is slidably connected with the inner wall of the cylindrical shell 9, one end of the piston plate 11, far away from the exhaust pipe 10, is fixedly connected with a moving rod 12 which pulls the piston plate 11 to axially reciprocate, and one end of the moving rod 12, far away from the piston plate 11, penetrates through the cylindrical shell 9 and is fixedly connected with the pressing pipe 2.
When in use, when the pressing pipe 2 moves towards one end close to the guide pipe 1, and the annular plate 8 supports the cylindrical shell 9, the pressing pipe 2 pushes the moving rod 12 and the piston plate 11 to axially move towards one end close to the exhaust pipe 10, and the internal air pressure of one end of the cylindrical shell 9 close to the exhaust pipe 10 is negative pressure, so that the exhaust pipe 10 discharges the air in the cylindrical shell 9 to the air bag 7 under the action of the negative pressure, and the air bag 7 is inflated to be in contact with the inner wall of the esophagus along with the air entering, so that the air bag 7 can block the esophagus, discomfort caused by food reflux to a patient is avoided, and the safety is improved.
When the pressing tube 2 moves toward the end far from the catheter 1, the pressing tube 2 pulls the moving rod 12 and the piston plate 11 to move toward the end far from the exhaust pipe 10, and the internal air pressure of the cylindrical housing 9 near the end of the exhaust pipe 10 is positive pressure, so that the exhaust pipe 10 pumps the air inside the air bag 7 into the cylindrical housing 9 under the action of the positive pressure, and simultaneously the air bag 7 contracts to be out of contact with the inner wall of the esophagus, so that a doctor can take out the catheter 1 from the esophagus.
Example III
On the basis of the second embodiment, further:
the slide bar 6 is provided with a sampling mechanism for sampling the reflux, the sampling mechanism comprises a sampling tube 13 fixedly connected to the outer contour of one end of the slide bar 6 far away from the pressing tube 2, and the sampling tube 13 axially moves on the inner wall of the catheter 1.
The sampling pipe 13 is close to the bilateral symmetry position of slide bar 6 one end and has all seted up second through groove 131, two the inner wall in second through groove 131 runs through and sliding connection has second backup pad 14, and the both ends of second backup pad 14 and the inner wall fixed connection of pipe 1, the one end that first bracing piece 3 was kept away from to connecting pipe 5 runs through second backup pad 14 and fixed connection.
When the sampling tube is used, the sliding rod 6 arranged on the pressing tube 2 is used, the sliding rod 6 is in sliding connection with the connecting tube 5, the sliding rod 6 moves axially and reciprocally on the connecting tube 5 along with the pressing tube 2, and when the sampling tube 13 is pushed to move towards the end far away from the air bag 7 by the sliding rod 6, one end of the sampling tube 13 moves out of the inner wall of the guide tube 1, so that the sampling tube 13 can be moved into a reflux object to sample the reflux object.
Through the second through groove 131 of seting up on the sampling pipe 13, then second backup pad 14 carries out spacing slip at the inner wall of second through groove 131, through the second backup pad 14 that sets up on the connecting pipe 5 for second backup pad 14 carries out fixed stay to connecting pipe 5.
Example IV
On the basis of the third embodiment, further:
the sampling mechanism further comprises a sealing plate 15 fixedly connected to the outer contour of one end of the connecting pipe 5, which is close to the second supporting plate 14, and used for extracting the reflux to the inner wall of the sampling pipe 13.
The inner wall of the end, far away from the slide bar 6, of the sampling tube 13 is fixedly connected with a one-way liquid inlet valve 17 for quantitatively extracting the reflux, and the inner wall of the end, close to the sealing plate 15, of the connecting tube 5 is fixedly connected with a one-way liquid outlet valve 16 for quantitatively discharging the reflux in the sampling tube 13.
In use, through the second support plate 14 arranged on the connecting pipe 5, the second support plate 14 moves axially on the inner wall of the sampling tube 13, when the sampling tube 13 moves towards the end far away from the air bag 7, the internal air pressure of the end of the sampling tube 13 close to the one-way liquid inlet valve 17 is positive pressure, the one-way liquid inlet valve 17 is in an open state, and the one-way liquid outlet valve 16 is in a closed state, so that the sampling tube 13 can suck the reflux to the inner wall, and the sampling tube 13 can sample the reflux.
When the sampling tube 13 moves towards one end close to the air bag 7, the internal air pressure of one end of the sampling tube 13 close to the one-way liquid inlet valve 17 is positive pressure, the one-way liquid inlet valve 17 is in a closed state, and the one-way liquid discharge valve 16 is in an open state, so that the reflux in the sampling tube 13 is discharged to the inner wall of the connecting tube 5.
Example five
On the basis of the fourth embodiment, further:
the hole groove 31 is formed in one side of the first support rod 3, the hole groove 31 is communicated with the connecting pipe 5, the liquid discharge pipe 18 is fixedly connected to the inner wall of one end, far away from the connecting pipe 5, of the hole groove 31, and the storage tank 19 for storing a reflux sample is fixedly connected to one end, far away from the hole groove 31, of the liquid discharge pipe 18.
In use, through the hole groove 31 formed in the first support rod 3, the hole groove 31 is communicated with the connecting pipe 5, the liquid discharge pipe 18 arranged on the hole groove 31 passes through the storage tank 19 arranged on the liquid discharge pipe 18, and when the sampling pipe 13 moves towards one end close to the air bag 7, the reflux in the sampling pipe 13 is discharged into the storage tank 19 through the connecting pipe 5, the hole groove 31 and the liquid discharge pipe 18, and then the storage tank 19 can store the reflux sample.
Further realizes that the gastroesophageal reflux sampling device for general surgery can plug the esophagus when sampling the gastroesophageal, and is convenient to use and better than the traditional product.
Working principle: when the gastroesophageal reflux sampling device for general surgery is used, a catheter 1 is placed into the stomach of a patient, a doctor presses a pressing tube 2 manually through a triangular block 101 arranged on the catheter 1, the pressing tube 2 axially moves towards one end close to the catheter 1, a return spring 4 arranged on a first support rod 3 slides on the inner wall of a first through groove 21, the first support rod 3 moves towards one end close to the catheter 1 along with the pressing tube 2, the return spring 4 contracts under the pressure of the pressing tube 2, when the doctor releases the pressing of the pressing tube 2, the pressing tube 2 axially moves towards one end far from the catheter 1 under the elasticity of the return spring 4, the structure can axially reciprocate the pressing tube 2 on the inner wall of the catheter 1, when the pressing tube 2 moves towards one end close to the catheter 1, and the annular plate 8 supports the cylindrical shell 9, then the pressing pipe 2 pushes the moving rod 12 and the piston plate 11 to axially move towards one end close to the exhaust pipe 10, and the internal air pressure of the cylindrical shell 9 at one end close to the exhaust pipe 10 is negative pressure, so that the exhaust pipe 10 discharges the internal air of the cylindrical shell 9 into the air bag 7 under the action of the negative pressure, the air bag 7 is expanded to be contacted with the inner wall of the esophagus along with the entering of the air, the air bag 7 can block the esophagus, discomfort caused by food reflux is avoided, the safety is further improved, the second support plate 14 axially moves on the inner wall of the sampling pipe 13 through the second support plate 14 arranged on the connecting pipe 5, when the sampling pipe 13 moves towards one end far away from the air bag 7, the internal air pressure of the sampling pipe 13 at one end close to the one-way liquid inlet valve 17 is positive pressure, the one-way liquid inlet valve 17 is in an open state, the one-way liquid outlet valve 16 is in a closed state, so that the sampling tube 13 can suck the reflux to the inner wall, further, the sampling tube 13 is used for sampling the reflux, the hole groove 31 is formed in the first supporting rod 3, the hole groove 31 is communicated with the connecting tube 5, the liquid outlet tube 18 is formed in the hole groove 31, the storage tank 19 is formed in the liquid outlet tube 18, when the sampling tube 13 moves towards one end close to the air bag 7, the reflux in the sampling tube 13 is discharged into the storage tank 19 through the connecting tube 5, the hole groove 31 and the liquid outlet tube 18, further, the storage tank 19 can store the reflux sample, when the pressing tube 2 moves towards one end far away from the catheter 1, the pressing tube 2 pulls the moving rod 12 and the piston plate 11 towards one end far away from the exhaust tube 10, the inner air pressure of the cylindrical shell 9 is positive pressure, the air bag 7 is contracted into the cylindrical shell 9 under the positive pressure, and simultaneously the air bag 7 contracts to be separated from the inner wall of the esophagus, and a doctor can take out the reflux sample from the catheter 1.
Further realizes that the gastroesophageal reflux sampling device for general surgery can plug the esophagus when sampling the gastroesophageal, and is convenient to use and better than the traditional product.
The standard components used in the present embodiment may be purchased directly from the market, and the nonstandard structural components according to the descriptions of the specification and the drawings may also be obtained directly by unambiguous processing according to the common general knowledge in the prior art, and meanwhile, the connection manner of each component adopts the conventional means mature in the prior art, and the machinery, the components and the equipment all adopt the conventional types in the prior art, so that the specific description will not be made here.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a department of general surgery's gastroesophageal reflux sampling device which characterized in that: the device comprises a guide pipe (1), wherein the inner wall of one end of the guide pipe (1) is slidably connected with a pressing pipe (2), first through grooves (21) are formed in symmetrical positions of two sides of the pressing pipe (2) close to one end of the guide pipe (1), first support rods (3) are slidably connected to the inner walls of the two first through grooves (21), and two ends of each first support rod (3) penetrate through the guide pipe (1) and are fixedly connected;
the inner wall of the pressing pipe (2) is fixedly connected with a reset spring (4) which pushes the pressing pipe (2) to reset, and one end, far away from the reset spring (4), of the first supporting rod (3) is fixedly connected with a connecting pipe (5);
the inner wall of the pressing pipe (2) close to one end of the first supporting rod (3) is fixedly connected with a sliding rod (6), the sliding rod (6) axially moves on the connecting pipe (5), triangular blocks (101) which are convenient for a person to press the pressing pipe (2) are fixedly connected to symmetrical positions of two sides of the pipe (1) close to one end of the pressing pipe (2), and a blocking mechanism for blocking esophagus of a patient is further arranged on the pipe (1); the blocking mechanism comprises an air bag (7) fixedly connected to the outer contour of the guide pipe (1) close to the center, an annular plate (8) is fixedly connected to the inner wall of the guide pipe (1) and the corresponding position of the air bag (7), the annular plate (8) is in sliding connection with a sliding rod (6), cylindrical shells (9) are fixedly connected to the symmetrical positions of the two sides of the annular plate (8) close to one end of the pressing pipe (2), exhaust pipes (10) for enabling gas in the cylindrical shells (9) to enter the inner wall of the air bag (7) penetrate through the outer contour of the cylindrical shells (9) close to one end of the annular plate (8), and one end, far away from the cylindrical shells (9), of the exhaust pipes (10) penetrates through the inner wall of the guide pipe (1) and the air bag (7); the auxiliary mechanism is further arranged on the cylindrical shell (9) and used for extracting or discharging gas in the cylindrical shell (9), the auxiliary mechanism comprises a piston plate (11) which is connected with the inner wall of the cylindrical shell (9) in a sliding mode, one end, far away from the exhaust pipe (10), of the piston plate (11) is fixedly connected with a moving rod (12) which pulls the piston plate (11) to axially reciprocate, and one end, far away from the piston plate (11), of the moving rod (12) penetrates through the cylindrical shell (9) and is fixedly connected with the pressing pipe (2); the sampling mechanism for sampling the reflux is arranged on the sliding rod (6), the sampling mechanism comprises a sampling tube (13) fixedly connected to the outer contour of one end of the sliding rod (6) far away from the pressing tube (2), and the sampling tube (13) axially moves on the inner wall of the guide tube (1); the sampling pipe (13) is close to the bilateral symmetry position of slide bar (6) one end and has all seted up second through groove (131), two the inner wall in second through groove (131) runs through and sliding connection has second backup pad (14), and the both ends of second backup pad (14) and the inner wall fixed connection of pipe (1), the one end that first bracing piece (3) was kept away from to connecting pipe (5) runs through second backup pad (14) and fixed connection.
2. The general surgical gastroesophageal reflux sampling device of claim 1, wherein: the sampling mechanism further comprises a sealing plate (15) fixedly connected to the outer contour of one end, close to the second supporting plate (14), of the connecting pipe (5) and used for extracting the reflux to the inner wall of the sampling pipe (13).
3. The general surgical gastroesophageal reflux sampling device of claim 2, wherein: the inner wall of the end, far away from the sliding rod (6), of the sampling tube (13) is fixedly connected with a one-way liquid inlet valve (17) for quantitatively extracting the reflux.
4. A general surgical gastroesophageal reflux sampling device as defined in claim 3, wherein: the inner wall of the connecting pipe (5) close to one end of the sealing plate (15) is fixedly connected with a one-way liquid discharge valve (16) for quantitatively discharging the reflux in the sampling pipe (13).
5. The general surgical gastroesophageal reflux sampling device of claim 1, wherein: a hole groove (31) is formed in one side of the first supporting rod (3), the hole groove (31) is communicated with the connecting pipe (5), and a liquid discharge pipe (18) is fixedly connected to the inner wall of one end, far away from the connecting pipe (5), of the hole groove (31).
6. The general surgical gastroesophageal reflux sampling device of claim 5, wherein: one end of the liquid discharge pipe (18) far away from the hole groove (31) is fixedly connected with a storage tank (19) for storing a reflux sample.
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