CN117554556A - Gastric juice acidity detection device for digestive system - Google Patents
Gastric juice acidity detection device for digestive system Download PDFInfo
- Publication number
- CN117554556A CN117554556A CN202410046872.5A CN202410046872A CN117554556A CN 117554556 A CN117554556 A CN 117554556A CN 202410046872 A CN202410046872 A CN 202410046872A CN 117554556 A CN117554556 A CN 117554556A
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- Prior art keywords
- negative pressure
- pressure suction
- suction bottle
- gastric juice
- cylinder
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- 210000004051 gastric juice Anatomy 0.000 title claims abstract description 85
- 238000001514 detection method Methods 0.000 title claims abstract description 46
- 210000002249 digestive system Anatomy 0.000 title claims abstract description 16
- 238000005070 sampling Methods 0.000 claims abstract description 74
- 239000007788 liquid Substances 0.000 claims abstract description 24
- 210000002784 stomach Anatomy 0.000 claims abstract description 21
- 238000004140 cleaning Methods 0.000 claims description 55
- 239000003153 chemical reaction reagent Substances 0.000 claims description 40
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 29
- 230000002496 gastric effect Effects 0.000 claims description 26
- 238000003825 pressing Methods 0.000 claims description 6
- 238000007906 compression Methods 0.000 claims description 5
- 230000006835 compression Effects 0.000 claims description 4
- 238000012546 transfer Methods 0.000 claims description 4
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 238000000605 extraction Methods 0.000 abstract description 11
- 238000000034 method Methods 0.000 abstract description 6
- 230000008569 process Effects 0.000 abstract description 6
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 239000000741 silica gel Substances 0.000 description 18
- 229910002027 silica gel Inorganic materials 0.000 description 18
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 17
- 210000004211 gastric acid Anatomy 0.000 description 6
- 238000012856 packing Methods 0.000 description 6
- 239000012459 cleaning agent Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000000630 rising effect Effects 0.000 description 4
- 230000001174 ascending effect Effects 0.000 description 3
- 238000001802 infusion Methods 0.000 description 3
- 108010079943 Pentagastrin Proteins 0.000 description 2
- 230000029087 digestion Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 235000011389 fruit/vegetable juice Nutrition 0.000 description 2
- 210000001819 pancreatic juice Anatomy 0.000 description 2
- ANRIQLNBZQLTFV-DZUOILHNSA-N pentagastrin Chemical compound C([C@H](NC(=O)[C@H](CC(O)=O)NC(=O)[C@@H](NC(=O)[C@H](CC=1[C]2C=CC=CC2=NC=1)NC(=O)CCNC(=O)OC(C)(C)C)CCSC)C(N)=O)C1=CC=CC=C1 ANRIQLNBZQLTFV-DZUOILHNSA-N 0.000 description 2
- 229960000444 pentagastrin Drugs 0.000 description 2
- 230000028327 secretion Effects 0.000 description 2
- 210000000813 small intestine Anatomy 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 102100021022 Gastrin Human genes 0.000 description 1
- 108010052343 Gastrins Proteins 0.000 description 1
- BELBBZDIHDAJOR-UHFFFAOYSA-N Phenolsulfonephthalein Chemical compound C1=CC(O)=CC=C1C1(C=2C=CC(O)=CC=2)C2=CC=CC=C2S(=O)(=O)O1 BELBBZDIHDAJOR-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 210000000941 bile Anatomy 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- AOXOCDRNSPFDPE-UKEONUMOSA-N chembl413654 Chemical compound C([C@H](C(=O)NCC(=O)N[C@H](CC=1C2=CC=CC=C2NC=1)C(=O)N[C@H](CCSC)C(=O)N[C@H](CC(O)=O)C(=O)N[C@H](CC=1C=CC=CC=1)C(N)=O)NC(=O)[C@@H](C)NC(=O)[C@@H](CCC(O)=O)NC(=O)[C@@H](CCC(O)=O)NC(=O)[C@@H](CCC(O)=O)NC(=O)[C@H](CCC(O)=O)NC(=O)[C@H](CCC(O)=O)NC(=O)[C@H](CC(C)C)NC(=O)[C@H](CC=1C2=CC=CC=C2NC=1)NC(=O)[C@H]1N(CCC1)C(=O)CNC(=O)[C@@H](N)CCC(O)=O)C1=CC=C(O)C=C1 AOXOCDRNSPFDPE-UKEONUMOSA-N 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 210000001035 gastrointestinal tract Anatomy 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000000968 intestinal effect Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 235000015097 nutrients Nutrition 0.000 description 1
- 235000016709 nutrition Nutrition 0.000 description 1
- 230000035764 nutrition Effects 0.000 description 1
- 230000010412 perfusion Effects 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000012163 sequencing technique Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000004448 titration Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N31/00—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods
- G01N31/16—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods using titration
-
- 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
- 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
Abstract
The invention relates to the field of gastric juice detection tools, in particular to a gastric juice acidity detection device for a digestive system, which comprises a negative pressure suction device and a detection device, wherein the detection device comprises a liquid dropping device and a base, a rotatable rotary table is arranged on the base, the rotary table is connected with a sampling box, and the rotary table drives the sampling box to move in a circular arc track when rotating, and the gastric juice acidity detection device has the beneficial effects that: through being provided with the opening of negative pressure suction bottle lower extreme, make the inner space of negative pressure suction bottle can communicate with external space, thereby make unable negative pressure of producing in the negative pressure suction bottle, the stomach tube that leads to being connected with the negative pressure suction bottle can't follow the internal extraction gastric juice of patient, only after carrying out the shutoff to the opening of negative pressure suction bottle lower extreme through the sampling box, the inner space in the negative pressure suction bottle can't communicate with external space, unable channel outside the stomach tube in making the negative pressure suction bottle acquires the air, the extraction of messenger gastric juice is simpler, and the process in the sampling box is poured into to the gastric juice that the extraction was come out is more convenient.
Description
Technical Field
The invention relates to the field of gastric juice detection tools, in particular to a gastric juice acidity detection device for a digestive system.
Background
In clinical application, the gastric tube is commonly used for gastrointestinal decompression, gastrointestinal nutrition, gastric lavage and the like, gastric acid can remove bacteria in food, kill cells in the stomach, activate gastric proprotein, provide a required acidic environment, promote release of pancreatic juice after entering small intestine so as to promote secretion of pancreatic juice, bile and small intestine juice, ensure safety of the stomach and intestinal tract, and help digestion; meanwhile, the change of acidity in the stomach can influence the normal absorption of various nutrient elements in the intestinal canal, so gastric acid is extremely important to the digestion environment of a human body, the pH value of normal gastric juice is 0.9-1.8, the pH value is 3.5-7.0 and is low, after the stomach is emptied by a patient in the process of detecting gastric acid, pentagastrin is injected into the stomach of the patient, after the gastric juice needs to be continuously extracted for one hour, every fifteen minutes, and the gastric juice needs to be poured into a sampling box or a gastric juice acidity detection device from a negative pressure suction bottle in the process of detection, so that the acidity of the gastric juice is detected, the gastric juice acidity detection device for the digestive system is searched, the application number is CN201910028078.7, the gastric juice acidity detection device comprises a base, a detection platform, a pressing plate, a piston rod, a supporting spring, a cylinder barrel, a piston, a drip head and a reagent cup, wherein the detection platform is rotatably arranged on the base, and a plurality of detection grooves distributed in a circular array are formed on the upper surface of the detection platform; the upper surface of the left end of the base is fixedly provided with a stand column, and the top horizontal fixing frame of the stand column is provided with a supporting top plate; the cylinder barrel is fixedly arranged on the bracket, and the bracket is fixedly arranged on the supporting top plate; the piston is arranged in the cylinder barrel, the supporting spring is compressed by pressing the pressing plate, gas in the cylinder barrel is discharged through the dropping head, when the pressing plate is loosened, the piston moves upwards in the cylinder barrel under the action of the supporting spring, so that reagents in the reagent cup enter the cylinder barrel through the infusion pipeline, and the pressing plate is pressed again, so that the reagents in the cylinder barrel are discharged and drop into the detection groove, and the titration test detection of gastric juice is facilitated.
However, in the above technical scheme, the extraction and sampling of gastric juice and dripping of the reagent cannot be performed simultaneously, and after the gastric juice of the patient is extracted into the negative pressure suction bottle, the gastric juice is also very inconvenient to pour into the sampling box from the negative pressure suction bottle, and the operation is complex and the efficiency is low.
Disclosure of Invention
The invention aims to solve the problems that the gastric juice extraction and the reagent dripping are more convenient, the manual operation is reduced, and the efficiency is improved.
In order to achieve the above purpose, the technical scheme adopted by the invention is that the gastric juice acidity detection device for the digestive system comprises a negative pressure suction device and a detection device, wherein the negative pressure suction device is used for sucking gastric juice onto the detection device, the detection device comprises a liquid dropping device and a base, the liquid dropping device comprises a cylinder barrel and a piston, the piston is positioned in the cylinder barrel, a liquid dropping head is arranged at the lower end of the cylinder barrel, a liquid conveying pipe is connected to the side wall of the cylinder barrel, a reagent cup is connected to the other end of the liquid conveying pipe, a one-way valve is arranged on the liquid dropping head and the liquid conveying pipe, a support frame and a rotary table are arranged on the base, the rotary table is connected with a sampling box, the rotary table drives the sampling box to do circular arc track movement when rotating, a power assembly is further arranged on the base, the power assembly comprises a servo motor and a gear cylinder, the gear cylinder is meshed with the servo motor, and the gear cylinder is fixedly connected with the rotary table;
The negative pressure suction device comprises a negative pressure suction bottle positioned above the sampling box, the negative pressure suction bottle is connected with the supporting frame through a limiting structure, the negative pressure suction bottle is connected with a stomach tube and a negative pressure suction machine, the negative pressure suction bottle is funnel-shaped, the upper end of the negative pressure suction bottle is a closed end, the lower end of the negative pressure suction bottle is provided with an opening, when the sampling box is contacted with the opening at the lower end of the negative pressure suction bottle, the interior of the negative pressure suction bottle forms a closed space, the negative pressure suction machine pumps gastric juice into the suction bottle, when the opening at the lower end of the negative pressure suction bottle is separated from the sampling box, gastric juice in the negative pressure suction bottle drops into the sampling box, and the sampling box moves to the lower side of the drip device along with the rotation of the rotary table;
the detection device further comprises a lifting power component, the lifting power component is connected with the liquid dropping device, and the lifting power component can control the sampling box to contact and separate with an opening at the lower end of the negative pressure suction bottle;
the negative pressure suction device and the detection device are also connected with system elements.
More preferably, four diagonal draw bars are arranged on the rotary table, the four diagonal draw bars are arranged in an annular array with the rotary table as the center, the tail ends of the diagonal draw bars are provided with placing rings, and limiting openings are formed in the placing rings.
More preferably, a sampling box is arranged in the placing ring, a protruding column is arranged on the outer wall of the sampling box, and the protruding column is clamped in the limiting opening.
More preferably, the lifting power assembly comprises an air cylinder and a lifting table, the lifting table is connected below the rotating table, a central shaft lever is arranged on the lifting table, and the central shaft lever is connected with the liquid dropping device.
More preferably, the lifting power assembly comprises a vertical square plate and a transverse positioning plate which are arranged on the supporting frame, the lower end face of the transverse positioning plate is connected with an air cylinder, and the other end of the air cylinder is connected with a limiting structure.
More preferably, the limit structure comprises a limit ring arranged on the support frame, an internal thread arranged on the inner wall of the limit ring and an external thread arranged on the outer wall of the negative pressure suction bottle.
More preferably, the limit structure comprises a limit ring arranged on the support frame, a U-shaped rod is arranged on the limit ring, a clamping piece slideway is arranged on the U-shaped rod, clamping teeth are arranged in the clamping piece slideway, and a limit clamping piece is connected in the clamping piece slideway.
More preferably, the limit clamping piece comprises a limit handle and a jacking head, a push switch is arranged on the jacking head, a groove and a through hole are formed in the limit handle, and the jacking head is connected in the groove through a compression reset spring group and extends outwards from the through hole.
More preferably, the base is further provided with a cleaning device, the cleaning device comprises an auger and a conveying sleeve, the conveying sleeve is provided with a rectangular opening and a plug rod, the plug rod is axially connected in the rectangular opening and can be overturned in the rectangular opening, the plug rod is internally provided with a conveying channel, the tail end of the plug rod is axially connected with a cleaning rod, the cleaning rod is internally provided with a cleaning channel and a cleaning hole, and the cleaning channel is communicated with the conveying channel.
Compared with the prior art, the invention has the beneficial effects that: through the opening arranged at the lower end of the negative pressure suction bottle, the inner space of the negative pressure suction bottle can be communicated with the external space, external air can enter the negative pressure suction bottle from the opening, so that negative pressure cannot be generated in the negative pressure suction bottle, a gastric tube connected with the negative pressure suction bottle cannot extract gastric juice from a patient, after the opening at the lower end of the negative pressure suction bottle is plugged through the sampling box, the inner space in the negative pressure suction bottle cannot be communicated with the external space, the negative pressure suction bottle cannot acquire air from a channel outside the gastric tube, at the moment, a negative pressure suction machine is started to extract air in the negative pressure suction bottle, gastric juice in the patient can be extracted into the negative pressure suction bottle through the gastric tube, after the gastric juice enters the negative pressure suction bottle, as the integral structure of the negative pressure suction bottle is in a funnel shape, the gastric juice can flow to the opening at the lower end of the negative pressure suction bottle along the side wall of the negative pressure suction bottle, when the sampling box is separated from the opening at the lower end of the sampling bottle, the gastric juice can flow downwards through the opening, and fall into the sampling box, then the sampling box filled with the gastric juice can be rotated to the lower part of a dropping device, the gastric juice can be extracted into the gastric juice dropping device through the gastric juice box, the dropping device can be more easily, the operation is convenient, and the reagent can be more convenient to be extracted and can be more convenient to be sampled and more convenient;
The power component can control the rotary table to drive the sampling box to rotate, so that the sampling box rotates to the lower part of the liquid dropping device, the lifting power component can control the sampling box to contact and separate from the opening of the negative pressure suction bottle, and can control the liquid dropping device to drop reagents into the sampling box, so that gastric juice extraction and gastric juice detection can be simultaneously carried out, and because the negative pressure suction device and the detection device are connected with system elements, automatic and timed extraction of gastric juice and reagent drop into gastric juice can be realized through the timing control function of the system elements, the manual operation time is greatly reduced, the whole gastric juice sampling process of medical staff is not required to be nursed for one hour, the problem that the medical staff forgets or other unexpected situations occur due to more patients, the sampling interval time is delayed and the like can be avoided, and four gastric juice extraction after the injection of pentapeptide gastrin can be more timely and more accurate through the timing control of the system elements;
and because the negative pressure sampling bottle is special in shape and inconvenient to clean, and the cleaning device is arranged on the base, the cleaning process of the negative pressure sampling bottle is more convenient.
Drawings
FIG. 1 is a schematic view of a base structure of the present invention;
FIG. 2 is a schematic diagram of the overall structure of the present invention;
FIG. 3 is a schematic view of a dripping device according to the present invention;
FIG. 4 is a schematic view of a lifting platform according to the present invention;
FIG. 5 is a schematic diagram of a sample cartridge according to the present invention;
FIG. 6 is a schematic view of a limiting opening structure of the present invention;
FIG. 7 is a schematic view of the overall structure of the cleaning device of the present invention;
FIG. 8 is a schematic diagram of the structure of the conveying sleeve according to the present invention;
FIG. 9 is a schematic view showing the structure of the open state of the plunger according to the present invention;
FIG. 10 is a schematic view showing a combined state of the bayonet according to the present invention;
FIG. 11 is a schematic diagram of a second embodiment of the present invention;
FIG. 12 is an enlarged schematic view of the limiting latch according to the present invention;
FIG. 13 is a schematic view of a connection structure of a limiting latch according to the present invention;
FIG. 14 is a schematic view of a fourth embodiment of the present invention;
FIG. 15 is a top view of a track rod in a fourth embodiment of the present invention;
wherein, 1-negative pressure suction machine, 2-stomach tube, 3-negative pressure suction bottle, 4-drainage channel, 5-base, 6-rotary table, 7-diagonal draw bar, 8-placing ring, 9-limit port, 10-sampling box, 11-silica gel pad, 12-protruding column, 13-supporting frame, 14-limit ring, 15-gear cylinder, 16-cleaning device, 1601-bevel gear rod, 1602-auger, 1603-conveying sleeve, 1604-inserting rod, 1605-containing cavity, 1606-telescopic tube, 1607-cleaning rod, 1608-cleaning hole, 1609-cleaning nap, 1610-small motor, 1611-fixed cylinder, 17-servo motor, 18-annular limit groove, 19-elevating platform, 20-cylinder, 21-central shaft lever, 22-gear disc, 23-reagent cup, 24-cylinder, 25-piston, 26-dropping head, 27-push-pull rod, 28-limit slat, 29-U-shaped rod, 30-horizontal pull rod, 31-vertical square plate, 32-horizontal positioning plate, 33-clamping tooth, 34-limit handle, 35-compression return spring group, 36-top closing head, 37-push switch, 38-positioning slideway, 39-extension return spring group, 40-push plate.
Detailed Description
The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, but not all embodiments, and all other embodiments obtained by those skilled in the art without making creative efforts based on the embodiments of the present invention are included in the protection scope of the present invention.
In the description of the present application, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," "outer," "front," "rear," and the like indicate an azimuth or a positional relationship based on that shown in the drawings, and are merely for convenience of description and to simplify the description, but do not indicate or imply that the apparatus or elements to be referred to must have a specific azimuth, be configured and operated in a specific azimuth, and thus should not be construed as limiting the present application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present application, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; may be a mechanical connection; may be an electrical connection; can be connected by a hydraulic oil way; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art in a specific context.
Referring to fig. 1 to 10, a gastric juice acidity detection device for digestive system comprises a negative pressure suction device and a detection device, wherein the negative pressure suction device can pump gastric juice of a patient from inside to inside of the detection device, then reagents are dripped into the gastric juice through the detection device, the negative pressure suction device comprises a negative pressure suction machine 1, a stomach tube 2 and a negative pressure suction bottle 3, the negative pressure suction machine 1 is connected with the negative pressure suction bottle 3, the negative pressure suction bottle 3 is connected with the stomach tube 2, the cross section of the negative pressure suction bottle 3 is circular, the whole structure of the negative pressure suction bottle 3 is in a funnel shape which gradually reduces from top to bottom, the upper end of the negative pressure suction bottle 3 is a closed end, the lower end of the negative pressure suction bottle is provided with an opening, preferably, the lower end of the negative pressure suction bottle is provided with a drainage channel 4, the drainage channel 4 is in a cylindrical structure, the drainage channel 4 is communicated with the inner space of the negative pressure suction bottle, and the lower end of the drainage channel is provided with a drainage port;
When the water conservancy diversion mouth is not by the shutoff, the inner space of negative pressure suction bottle 3 can be through drainage channel and external space intercommunication, external air can get into the negative pressure suction bottle from the water conservancy diversion mouth through drainage channel 4, thereby make unable negative pressure that produces in the negative pressure suction bottle 3, the stomach tube 2 that leads to being connected with negative pressure suction bottle 3 can not follow the internal extraction gastric juice of patient, even if negative pressure suction machine 1 starts this moment, begin to extract the air in the negative pressure suction bottle 3, external air can also get into negative pressure suction bottle 3 inside through drainage channel 4 from the water conservancy diversion mouth, lead to stomach tube 2 unable to follow patient's stomach gastric juice, only after will water conservancy diversion mouth shutoff, negative pressure suction bottle 3 is interior and drainage channel 4 and external air are unable to be linked together, make the internal unable air of getting from stomach tube 2 of other passageway, start negative pressure suction machine 1 this moment, the internal air of negative pressure suction bottle 3 is drawn, stomach tube 2 can be with the internal gastric juice of patient to negative pressure suction bottle 3, after the gastric juice gets into negative pressure suction bottle 3, because negative pressure suction bottle 3's overall structure is for the form, the stomach juice can flow down to drain to the gastric juice to the drainage channel 4 of negative pressure suction bottle 3 along the lateral wall, when not drip into the water conservancy diversion mouth, can drop into the device through the water conservancy diversion mouth when detecting the device, can drop into the reagent to outside the device, and then the device can drop out to the outside through the shutoff device to the device.
Referring to fig. 1-7, the gastric juice detection device comprises a drip device and a base 5, a power assembly is arranged in the base 5, a storage space is arranged in the base 5, the power assembly is positioned in the storage space, a rotary table 6 is arranged on the base 5, the rotary table 6 can be controlled to rotate through the power assembly, the cross section of the rotary table 6 is circular, diagonal rods 7 are arranged on the rotary table 6, the number of the diagonal rods 7 is four, the diagonal rods 7 are arranged in a central annular array around the rotary table, one end of each diagonal rod 7 is fixedly connected with the rotary table 6, the other end of each diagonal rod 7 is provided with a placement ring 8, two limit ports 9 are symmetrically arranged on the placement ring 8, the limit ports 9 extend from the inner circumferential surface of the placement ring 8 to the outer circumferential surface of the placement ring, the limit ports 9 are through ports, connecting lines of the two limit ports 9 and the central axis of the placement ring 8 form a cross, the cross point is the center of the placement ring 8, each limit port 9 comprises a vertical limit port and a transverse limit port, the vertical limit port extends to the lower surface of the placement ring, the transverse limit port extends along the circumferential direction of the placement ring, and the vertical limit port is communicated with the transverse limit port 9, and the transverse limit port is arranged in the cross section of the placement ring 10;
The bottom surface of sampling box 10 can carry out the shutoff to the water conservancy diversion mouth, in order to improve the shutoff effect, can be fixedly provided with the silica gel pad 11 of making by medical silica gel in the bottom of sampling box, carry out the shutoff to the water conservancy diversion mouth through silica gel pad 11 and can improve the shutoff effect, be provided with two bellied protruding posts 12 on the outside lateral wall of sampling box 10, when placing ring 8 with sampling box 10, protruding post 12 position gets into in the vertical spacing mouthful from the upper end of spacing mouthful 9, when protruding post 12 and horizontal spacing mouthful contact, rotatory sampling box 10, make protruding post 12 get into in the horizontal spacing mouthful, place ring 8 and carry out spacing to sampling box 10 through spacing mouthful 9 at this moment, make sampling box 10 can't break away from and place ring 8 reciprocates along with placing ring 8, when placing ring 8 and follow revolving stage 6 reciprocates, sampling box 10 also can reciprocate along with this, also can realize spacing to sampling box 10 through other technical schemes, for example threaded connection or clamping structure.
The base 5 is also provided with the supporting frame 13, the supporting frame 13 is provided with the limiting ring 14, the negative pressure suction bottle 3 is placed in the limiting ring 14, the limiting ring 14 is also provided with the limiting structure, the negative pressure suction bottle 3 can be limited, the limiting structure is provided with the internal thread on the inner wall of the limiting ring 14, the outer wall of the negative pressure suction bottle 3 is also provided with the external thread matched with the internal thread, the negative pressure suction bottle 3 is placed in the limiting ring 14, then the negative pressure suction bottle 3 is rotated, the negative pressure suction bottle 3 is fixed on the limiting ring through the external thread on the outer wall of the negative pressure suction bottle 3 and the internal thread on the limiting ring are matched, the negative pressure suction bottle 3 can not be controlled to move up and down, and when the liner in the negative pressure suction bottle 3 needs to be replaced or the negative pressure suction bottle 3 needs to be cleaned, the negative pressure suction bottle 3 is reversely rotated to be taken out from the limiting ring 14;
In the normal state, after the negative pressure suction bottle 3 is placed in the limiting ring 14, four sampling boxes 10 are respectively placed in four placing rings 8, for convenience in understanding, the four sampling boxes 10 are respectively marked as a first box, a second box, a third box and a fourth box according to anticlockwise sequencing, at this time, the central axis of the guide opening at the lower end of the negative pressure suction bottle 3 and the central axis of the first box are positioned on the same straight line, when the guide opening discharges gastric juice outwards, gastric juice directly falls into the first box, when the rotary table 6 drives the sampling boxes 10 to rotate, gastric juice in the negative pressure suction bottle 3 is discharged at this time, gastric juice cannot drop downwards, and when the rotary table 6 stops rotating, the second box is positioned below the guide opening.
Referring to fig. 1-10, the power assembly includes a gear drum 15 disposed below the rotary table 6, wherein an upper end of the gear drum 15 is fixedly connected with the rotary table 6, an extension line of a central axis of the gear drum 15 coincides with the central axis of the rotary table 6, the gear drum 15 is of a hollow circular cylindrical structure, strip-shaped teeth are disposed on an outer wall of the gear drum 15, a servo motor 17 is meshed with the strip-shaped teeth, and the gear drum 15 is controlled by the servo motor 17 to drive the rotary table 6 to rotate through operation of the servo motor 17, so that the diagonal draw bar 7 controls the placing ring 8 to rotate;
An annular limiting groove 18 is formed in the inner wall of the gear drum 15, a lifting table 19 is arranged in the annular limiting groove 18, the lifting table 19 is cylindrical, the lifting table 19 is positioned in the annular limiting groove 18, and the lifting table 19 can freely rotate in the annular limiting groove 18, so that when the gear drum 15 drives the rotary table 6 to rotate, the lifting table 19 cannot rotate in the annular limiting groove 18, an air cylinder 20 is arranged below the lifting table 19, the lifting and descending of the lifting table 19 can be controlled through the air cylinder 20, and in order to improve the stability of the lifting table 19 and the rotary table 6, a center shaft lever 21 is arranged at the center of a circle of the lifting table 19, the center shaft lever 21 is vertical to the lifting table 19, the center shaft lever 21 extends upwards after passing through the center of the circle of the rotary table 6 and is connected with a liquid dropping device, and the center shaft lever 21 is fixedly connected with the lifting table 19;
therefore, the center shaft lever 21 can rise or descend together along with the lifting table 19, when the air cylinder 20 controls the lifting table to rise, the rotary table 6 rises along with the lifting table, then the diagonal rod 7 drives the placement ring 8 to rise, the sampling box 10 in the placement ring 8 also moves upwards, as the first box is originally positioned below the water guiding opening, the first box moves upwards, the water guiding opening is positioned in the first box, when the lifting table 19 stops rising, the silica gel pad 11 in the first box is just attached to the water guiding opening, when the negative pressure suction machine 1 runs, air in the negative pressure suction bottle 3 is pumped out, meanwhile, the attachment of the silica gel pad 11 and the water guiding opening is made to be more compact, so that the blocking of the water guiding opening is formed, negative pressure suction bottle 3 is made to form negative pressure, gastric juice is made to be extracted from a patient body, when the negative pressure suction machine 1 stops working, the air cylinder 20 controls the lifting table 19 to descend, so that the diagonal rod 6 drives the diagonal rod 7 to descend, the sampling box 10 is controlled to descend, the first box moves downwards along with the water guiding opening, the silica gel pad 11 in the first box is made to be attached to the water guiding opening, when the negative pressure suction machine 1 stops rising, the negative pressure suction machine runs down, the negative pressure suction bottle 11 is positioned in the water guiding opening, the water guiding opening is positioned in the second gastric juice is made to drop, the second gastric juice is made to fall from the water guiding opening, and the second gastric juice is positioned in the water guiding box, and the gastric juice is positioned in the water guiding box, and can rotate the water guiding opening, and the gastric juice is made to drop in the water guiding box, and drop after the gastric juice, and the gastric juice is placed in the gastric pressure suction machine.
Referring to fig. 1-10, the upper end of the central shaft rod 21 is further provided with a serration part, the serration part is engaged with a gear disc 22, and is connected with a liquid dropping device through the gear disc 22, the liquid dropping device comprises a reagent cup 23, a cylinder 24 and a piston 25, the reagent cup 23 is connected with a supporting frame 13, a transfusion tube is connected in the reagent cup 23, the other end of the transfusion tube is connected with the cylinder 24, a first one-way valve is arranged at the joint of the transfusion tube and the cylinder 24, the condition of backflow is avoided, the lower end of the cylinder 24 is provided with a liquid dropping head 26, a second one-way valve is arranged between the cylinder 24 and the liquid dropping head 26, reagent in the reagent cup 23 can be transported into the cylinder 24 through the transfusion tube and then is discharged through the liquid dropping head 26, the piston 25 is positioned in the cylinder 24, a closed accommodating chamber is formed between the piston 25 and the second one-way valve and the first one-way valve, the piston 25 can store reagent or air in the accommodating chamber, the piston 25 is provided with a push-pull rod 27, the piston 25 can be driven to move up and down in the cylinder 24, thereby controlling the air or the discharge of the reagent in the accommodating chamber, the gear rod 27 is engaged with the gear disc 22;
when the rotary table 6 drives the central shaft rod 21 to ascend, the gear disc 22 is driven to rotate, so that the gear disc 22 controls the push-pull rod 27 to drive the piston 25 to move downwards, when the piston 25 moves downwards, air or liquid in the containing cavity of the cylinder 24 is discharged from the containing cavity of the cylinder 24, wherein the annular limiting groove 18, the lifting table 19, the central shaft rod 21, the gear disc 22 and the gear strip form a lifting power assembly, the lifting power assembly can control the liquid dropping device to adhere to and separate the sampling box 10 from the flow guide port in the sampling box 10, when the rotary table 6 drives the central shaft rod 21 to descend, the gear disc 22 drives the push-pull rod 27 to enable the piston 25 to move upwards, when the piston 25 moves upwards, the reagent in the reagent cup 23 is pumped into the containing cavity of the cylinder 24 through the infusion tube by negative pressure, when the rotary table 6 is in a static state, if the first box is located below the flow guide port, the fourth box is located below the flow guide port 26, when the second box is located below the flow guide port, and so on.
Referring to fig. 1 to 10, the negative pressure suction device and the detection device are further connected with system elements, which are connected with the negative pressure suction machine 1, the cylinder 20 and the servo motor 17 through wires, and since the system elements have a timing function, the system elements can control the starting and stopping of the negative pressure suction machine 1, the cylinder 20 and the servo motor 17 according to a designated time;
when the power is connected, the negative pressure suction machine 1 is started, the system element gives out an instruction, the cylinder 20 is controlled to ascend and the system element starts to count the first round, when the cylinder 20 ascends for one minute, the system element controls the negative pressure suction machine 1 to stop working and simultaneously controls the cylinder 20 to descend, when the cylinder 20 descends for fifteen minutes, the system element controls the servo motor 17 to operate according to set parameters, the turntable 6 rotates ninety degrees clockwise, after the servo motor 17 stops operating, the system element continues to give an instruction to control the cylinder 20 to ascend and simultaneously controls the negative pressure suction machine 1 to operate, and the system element starts to count the second round, the instruction in the first round is repeated until the control servo motor 17 in the fourth round stops operating, and when the servo motor 17 of the fourth round stops operating and drives the turntable to finish rotating, the whole system element stops working, the starting of the negative pressure suction machine is required to be manually controlled, and then new four-round timing and instruction can be started.
Referring to fig. 1-10, because the negative pressure suction bottle 3 in the invention has a special shape, a certain inconvenience exists in cleaning, in order to avoid the trouble of inconvenient cleaning, a cleaning device 16 is also connected on a base 5, the cleaning device 16 comprises a bevel gear rod 1601 meshed with a gear cylinder 15, the other end of the bevel gear rod 1601 is meshed with a packing auger 1602, the packing auger 1602 can be driven to rotate by the bevel gear rod 1601, the central axis of the packing auger 1602 is vertical to the base, the top end of the packing auger 1602 is connected with a conveying sleeve 1603 in a shaft way, the conveying sleeve 1603 is in a barrel-shaped structure, the upper end of the conveying sleeve 1603 is a closed end, the lower end of the conveying sleeve 1603 is an open end, a containing groove is arranged at the lower end of the packing auger 1602, a medical cleaning agent is filled in the containing groove, a cylindrical through hole communicated with the containing groove is also arranged on the base 5, the conveying sleeve 1603 can rotate, and the medical cleaning agent in the containing groove can be conveyed to the upper end of the conveying sleeve 3 by the cooperation of the packing auger 1602 and the conveying sleeve 1603;
the top wall of the conveying sleeve 1603 is hemispherical, two rectangular openings are symmetrically arranged on the top wall of the conveying sleeve 1603, socket slideways are arranged on two sides of each rectangular opening, an inserting rod 1604 is arranged in each rectangular opening, the lower end of each inserting rod 1604 is connected with each socket slideway through a telescopic pipe 1606, a containing cavity 1605 positioned in the top wall is further connected in each socket slideway, the containing cavity 1605 contains redundant telescopic pipes 1606, each inserting rod 1604 is cylindrical, a conveying channel is arranged in each inserting rod 1604, the lower port of each conveying channel is positioned in the conveying sleeve 1603, the upper port of each conveying channel is connected with a cleaning rod 1607 in a shaft way, the shaft joint is positioned at the upper part of each cleaning rod 1607 and positioned at one third of the whole cleaning rod 1607, a cleaning channel is arranged in each cleaning rod 1607, each cleaning channel is also connected with each conveying channel through a telescopic pipe 1606, and cleaning holes 1608 are formed in each cleaning rod 1607 and are communicated with the cleaning channels;
When the gear cylinder rotates, the bevel gear rod 1601 is driven to rotate so as to control the auger 1602 to rotate, so that the medical cleaning agent in the containing groove is conveyed to the upper end of the conveying sleeve 1603, and due to the arrangement of the telescopic pipe 1606, the telescopic pipe 1606 can shield the position except the rectangular opening regardless of the rotation of the inserting rod 1604, so that the medical cleaning agent is prevented from flowing out from other positions of the rectangular opening, and can only enter the conveying channel in the inserting rod 1604 from the rectangular opening, then enter the cleaning channel in the cleaning rod 1607 and finally flow out from the cleaning hole 1608.
Because the inserted link 1604 is in shaft connection with the conveying sleeve 1603, the inserted link 1604 can be turned over to be vertical to the conveying sleeve 1603, when the inserted link 1604 is vertical to the conveying sleeve 1603, because the shaft connection position of the cleaning rod 1607 and the inserted link 1604 is positioned at the upper end of the cleaning rod 1607, the cleaning rod 1607 can be in a free falling state under the influence of gravity, if the cleaning rod 1607 is positioned in the negative pressure suction bottle 3 at this moment, the cleaning rod 1607 can be limited by the shape of the inner wall of the negative pressure suction bottle 3 so as to be attached to the inner wall of the negative pressure suction bottle 3, and in order to clean the inner wall of the negative pressure suction bottle 3 better, detachable cleaning fluff 1609 is arranged on the outer circumferential surfaces of the cleaning rod 1607 and the conveying sleeve 1603, and when the conveying sleeve 1603 is inserted into the negative pressure suction bottle 3, the cleaning fluff 1609 is extruded, so that the conveying sleeve 1603 smoothly enters the negative pressure suction bottle 3.
The inside at base 5 is provided with the motor groove, motor groove and cylinder through-hole intercommunication, be provided with small-size motor 1610 in the motor groove, and be provided with the bar tooth on carrying sleeve 1603, small-size motor 1610 meshes with the bar tooth, can drive carrying sleeve 1603 when rotating and rotate, because auger 1602 and carrying sleeve 1603's roof coupling, so auger 1602 can not rotate along with carrying sleeve 1603, and small-size motor 1610 is connected with the system component, make the system component can control the start and stop of small-size motor 1610, and still be provided with a fixed cylinder 1611 on base 5, be provided with the internal thread on the fixed cylinder 1611, be used for fixed with negative pressure suction bottle 3.
When the gastric tube is used, firstly, four empty sampling boxes 10 are placed into the placement ring 8, the protruding columns 12 enter the limiting opening 9, when the protruding columns 12 are in contact with the transverse limiting opening, the sampling boxes 10 are rotated, the protruding columns 12 enter the transverse limiting opening, so that the placement ring 8 limits the up-and-down movement of the sampling boxes 10, meanwhile, a reagent, namely a phenol red indicator, is filled into the reagent cup 23, then a medical staff inserts the gastric tube 2 into a patient with the pentagastrin injected, after the gastric tube 2 enters the stomach of the patient, four gastric fluid samples are started for the patient, the sampling interval is 15 minutes each time, the power supply is switched on, the negative pressure suction machine 1 is controlled to start, and meanwhile, system elements start to operate and work, and a first round of gastric fluid sampling is started;
The system components firstly control the ascending of the air cylinder 20, thereby controlling the ascending and descending table 19 to drive the rotary table 6 to ascend, the ascending of the rotary table 6 can drive the diagonal draw bar 7 to control the placing ring 8 to move upwards, thereby enabling the sampling box 10 to move upwards, the diversion opening can enter the first box and gradually approaches the silica gel pad 11 in the first box through the upward movement of the first box because the diversion opening is positioned above the first box until the diversion opening is attached to the silica gel pad 11 in the first box, when the silica gel pad 11 is attached to the diversion opening, the negative pressure suction bottle 3 can not acquire air from other channels except the gastric tube 2, therefore, gastric tube 2 will draw gastric juice from the patient into negative pressure suction bottle 3, and because of the rising of lifting table 19 and rotary table 6, make the central shaft lever 21 move upwards too, make the sawtooth part drive the gear disc 22 to rotate, and then control the push-pull rod 27 to drive the piston 25 to move downward, thus will be in cylinder 24 and drip the drip 26 after the air in the head, at this time, lie in drip the drip 26 under the head and is the fourth box, then after the cylinder 20 rises for a minute, the system component controls the negative pressure suction machine 1 to stop running, and the cylinder 20 descends at the same time, the gastric juice that the negative pressure draws in the bottle 3 is about 15-20 milliliters;
At this time, the cylinder 20 controls the lifting table 19 to drive the rotary table 6 and the central shaft rod 21 to descend, and then the diagonal draw bar 7 controls the placing ring 8 to drive the sampling box 10 to move downwards, so that the silica gel pad 11 in the first box is separated from the diversion port, gastric juice in the negative pressure suction bottle 3 flows out of the diversion port after passing through the diversion channel 4 and drops into the first box, gastric juice begins to secrete gastric acid in the first box, and the central shaft rod 21 descends to control the gear disc 22 to drive the push-pull rod 27 to enable the piston 25 to move upwards in the cylinder 24, and at this time, the cylinder 24 pumps a reagent in the reagent cup 23 into a containing space of the cylinder 24 through a perfusion tube;
the gastric juice in the negative pressure suction bottle 3 can be completely dropped into a first box, the negative pressure suction bottle 3 can be replaced at the moment, the used negative pressure suction bottle 3 is taken down, the inserted link 1604 and the cleaning link 1607 are inserted into the negative pressure suction bottle 3 through the opening at the lower end of the negative pressure suction bottle 3, then the negative pressure suction bottle 3 can not be rotated by fixing the negative pressure suction bottle 3 through the fixing cylinder 1611, a new negative pressure suction bottle 3 is arranged on the limiting ring 14 at the same time, after the air cylinder descends for fifteen minutes, the system element can control the servo motor to rotate according to the specified parameters, the rotary table 6 is rotated for ninety degrees, the first box is positioned below the drip head 26 at the moment, and the second box is positioned above the guide port;
When the rotary table rotates, as the bevel gear rod 1601 in the cleaning device is meshed with the gear cylinder, the bevel gear rod 1601 drives the auger 1602 to rotate, so that the medical cleaning agent in the containing groove is transported upwards in the conveying sleeve 1603, enters a conveying channel in the inserting rod 1604 through a rectangular opening, then enters the cleaning channel through the conveying channel, and finally flows out from the cleaning hole 1608 to permeate the cleaning fluff 1609 on the cleaning rod 1607;
at this time, the system element controls the cylinder 20 to rise, so that the silica gel pad 11 in the second box is attached to the diversion port, and controls the negative pressure suction machine 1 to operate, so that the patient can sample gastric juice for the second time, meanwhile, the system element controls the small motor 1610 to rotate, so that the conveying sleeve 1603 rotates along with the rotation of the small motor 1610, and further controls the inserting rod 1604 and the cleaning rod 1607 to rotate in the negative pressure suction bottle 3, so that the cleaning fluff 1609 cleans the inner wall of the negative pressure suction bottle 3, and when gastric juice extraction is stopped, the system element controls the small motor 1610 to stop, and at this time, the negative pressure suction bottle 3 is taken down from the cleaning device and washed with clean water to be dried;
the timing and control of the system components can effectively avoid forgetting caused by artificial factors or the situation that emergency situation cannot be sampled by a patient on time, gastric juice of the patient can be better sampled according to the specified interval time, and the gear disc 22 is driven to rotate by the rising of the central shaft lever 21, and the gear disc is meshed with the push-pull rod, so that the push-pull rod 27 is controlled by the gear disc to drive the piston 25 to move downwards in the cylinder 24, the reagent extracted from the reagent cup 23 in the cylinder 24 is discharged from the drip head 26, so that the reagent is dripped into gastric juice in the first box, at the moment, the gastric juice in the first box is stabilized for fifteen minutes, gastric acid in the gastric juice is fully secreted, and the dripped reagent is combined only by waiting for the full reaction of the gastric juice and the reagent;
The whole process is not needed to be operated by medical staff, automatic gastric juice extraction and sampling can be realized by a patient according to the specified coordination, and the reagent is automatically dripped after the gastric acid is fully secreted, the medical staff only needs to take out the gastric tube 2 from the patient after the fourth round is finished, and take out the sampling box 10 from the placing ring 8, and the attention is paid that the fourth box below the dripper 26 is temporarily insufficient in gastric juice secretion, and the reagent is not dripped, and the condition that the shortage of the reagent dripping amount is possibly existed in the first box, the second box and the third box, so that the medical staff is also needed to observe and calculate after the reagent is dripped by themselves.
1-11, the lifting power assembly described in the above embodiment is modified and replaced, the lifting power assembly comprises two limit slats 28 arranged on a support frame 13, vertical slide ways are arranged on the limit slats 28, two sliding blocks are arranged on a limit ring 14, the two sliding blocks are respectively positioned in the two vertical slide ways and can move up and down in the vertical slide ways, so that the limit ring 14 moves up and down along with the two sliding blocks, a U-shaped rod 29 is arranged on the upper surface of the limit ring 14, a transverse pull rod 30 is also arranged on the U-shaped rod 29, the transverse pull rod 30 is fixedly connected with the upper end of a push-pull rod 27, the lifting and the lowering of the push-pull rod 27 and the limit ring 14 can be simultaneously controlled through the transverse pull rod 30, a vertical square plate 31 is arranged on the support frame 13, a transverse positioning plate 32 is fixedly connected with the upper end of the vertical square plate 31, the lower end surface of the transverse positioning plate 32 is connected with a cylinder 20, and the other end of the cylinder 20 is connected with the middle end of the transverse pull rod 30;
The air cylinder 20 can control the transverse pull rod 30 to drive the limiting ring 14 and the push-pull rod 27 to move up and down, a rotating seat is fixedly connected below the rotating table 6, the rotating seat is positioned in the accommodating space of the base 5 and is fixed with the base 5, a rotating rod is connected to the rotating seat in an axis manner, the upper end of the rotating rod is fixedly connected with the rotating table 6, the rotating table 6 can rotate by taking the rotating rod as a central shaft, and the rotating table cannot move up and down due to the fact that the rotating seat is fixed with the base 5;
when in use, the system element control cylinder 20 drives the transverse pull rod 30 to move downwards, so that the limiting ring 14 moves downwards in the vertical slideway, meanwhile, the limiting ring 14 drives the negative pressure suction bottle 3 to move downwards, so that the guide mouth is attached to the silica gel pad 11 in the sampling box 10, gastric tube 2 is used for pumping gastric juice from a patient into the negative pressure suction bottle 3, meanwhile, the push-pull rod 27 can be controlled to drive the piston 25 to move downwards in the cylinder 24, so that the piston 25 can control air or reagent in the cylinder 24 to be discharged out of the cylinder 24 through the drip head 26, when the system element control cylinder 20 drives the transverse pull rod 30 to move upwards, the guide mouth is separated from the silica gel pad 11 in the sampling box 10, so that gastric juice in the negative pressure suction bottle 3 flows into the sampling box 10, and because the spacing mouth 9 on placing the ring 8 cooperates with the protruding post 12 on the sampling box 10, can prevent that the sampling box 10 from receiving to push and appearing the skew or the silica gel pad 11 can't separate with the water conservancy diversion mouth, lead to the sampling box 10 to take place along with the condition that negative pressure attracts bottle 3 upwards moves, and push-pull rod 27 still control push-pull rod 27 drive piston 25 and upwards move in cylinder 24 when horizontal pull rod 30 upwards moves, draw reagent to in cylinder 24 from reagent cup 23 through the transfer line, can save a lot of spare parts in this embodiment, while making the structure simpler, still saved the cost of production, but need pay attention to controlling the length of stomach tube 2 in the use, drive stomach tube 2 when avoiding negative pressure to attract bottle 3 to reciprocate, thereby make the patient produce the discomfort.
1-13, on the basis of the second embodiment, the internal thread on the limiting ring 14 and the thread on the negative pressure suction bottle are cancelled, a limiting structure is arranged to be provided with a clamping piece slideway on the U-shaped rod 29, a limiting clamping piece 41 is arranged in the clamping piece slideway to limit the negative pressure suction bottle 3, specifically, a clamping tooth 33 is further arranged in the clamping piece slideway, the upper end surface of the clamping tooth 33 is an inclined surface, the lower end surface of the clamping tooth 33 is a plane, the clamping tooth 33 is arranged at equal intervals along the length of the clamping piece slideway, the limiting clamping piece 41 comprises a limiting handle 34, one end of the limiting handle 34 is positioned in the clamping piece slideway and can move up and down in the clamping piece slideway, a spring groove is arranged in the limiting handle 34, a compression reset spring set 35 is arranged in the spring groove, a through hole communicated with the spring groove is further arranged in the limiting handle 34, a jacking head 36 is arranged in the through hole, the compression reset spring set 35 is connected with the jacking head 36, the lower surface of the jacking head 36 is an inclined surface, the jacking head 36 is connected with the upper surface of the clamping head 36, and the jacking head 37 is vertical to the through hole 37, and the jacking head 37 is connected with the upper surface of the clamping head 37;
The pushing head 36 can be controlled to be far away from the clamping teeth 33 by pulling the push switch 37, at this moment, the limiting handle 34 can move upwards, after the push switch 37 is released, the pushing head 36 is pushed to be in a pushing state with the clamping teeth 33 by compressing the reset spring group 35, at this moment, the limiting handle 34 cannot move upwards, when the limiting handle 34 is pressed downwards, the limiting handle 34 can move downwards by compressing the inclined surfaces of the reset spring group 35 and the pushing head 36 to be matched with the clamping teeth 33, so that the limiting handle 34 cannot be limited, during use, the limiting clamping piece 41 is firstly moved upwards, then the negative pressure suction bottle 3 is placed in the limiting ring 14, the limiting handle 34 is pressed downwards, the lower end of the limiting handle 34 is attached to the top wall of the negative pressure suction bottle 3, at this moment, the limiting handle 34 cannot move upwards by pushing the clamping teeth 33 with the pushing head 36, and further the negative pressure suction bottle 3 cannot move upwards; the limiting mode adopted in the embodiment can adapt to the negative pressure suction bottles 3 with different heights, and external threads are not required to be arranged on the negative pressure suction bottles 3, so that the limiting mode is simpler and more convenient, but because the external threads in the negative pressure suction bottles 3 are canceled in the embodiment, the fixed cylinder 1611 in the cleaning device cannot limit the negative pressure suction bottles 3, the setting of the fixed cylinder 1611 is canceled, and the negative pressure suction bottles 3 are required to be manually held to limit the negative pressure suction bottles during use.
In a fourth embodiment of the present invention, referring to fig. 1-15, the cylinder 20 in the second embodiment is replaced by a manual pressure assembly, the lifting of the negative pressure suction bottle 3 and the push-pull rod 27 is controlled by the manual pressure assembly, the manual pressure assembly comprises a positioning slide way 38 arranged on a vertical square plate 31, the cross section of the positioning slide way 38 is concave, both the upper and lower ends of the positioning slide way 38 are closed ends, a positioning slide block is arranged on the side surface of the transverse pull rod 30, the positioning slide block is T-shaped, the positioning slide block is positioned in the positioning slide way 38, the positioning slide block can move up and down in the positioning slide way 38, the downward moving distance of the transverse pull rod 30 is limited by the positioning slide way 38 and the positioning slide block, the occurrence of damage to equipment caused by the exertion of force is avoided, a tension return spring set 39 is fixedly connected to the upper surface of the transverse pull rod 30, the tension return spring set 39 is positioned at the middle end of the transverse pull rod 30, the transverse pull rod 30 can be pulled to return by the tension return spring set 39, when the transverse pull rod 30 is subjected to pressure, the downward movement can be lost after the push-pull rod 30 is subjected to the pressure, the downward pressure can be pushed by the return spring set 40 to move the negative pressure plate 40 by the control the transverse pull rod 30, and the downward movement of the transverse pull rod 30 can be pushed down by the push-down by the control plate 40;
During the use, through manual push down with the push-down board 40, thereby make the horizontal pull rod 30 drive negative pressure suction bottle 3 and push-and-pull rod 27 move downwards, when the water conservancy diversion mouth laminating on the negative pressure suction bottle 3 is to the silica gel pad 11 in the sampling box 10, this moment silica gel pad 11 is to the shutoff of water conservancy diversion mouth, can make stomach tube 2 draw gastric juice in from the patient to negative pressure suction bottle 3, and push-and-pull rod 27 also drive piston 25 move down to the lower extreme of cylinder 24, make piston 25 can push out the air or the reagent in the cylinder 24 in through the dropping head 26, this moment the location slider moves to the blind end of the below of location slide 38, the location slider can't move down again, when gastric juice draws to accomplish, make horizontal pull rod 30 upwards move through tensile reset spring group 39, thereby drive negative pressure suction bottle 3 and push-and-pull rod 27 upwards move, make water conservancy diversion mouth and silica gel pad 11 separate, thereby make gastric juice in the negative pressure suction bottle 3 drop down in the sampling box 10, simultaneously rod 27 upwards move the piston 25 in 24 and upwards move, make the piston 25 in 24 upwards move, make the electric motor 23 in the cylinder 24, can be used for the manual operation device is realized through the manual operation, can's manual operation is realized with the manual control device, the manual operation is avoided and the manual operation is realized through the manual control device, the manual operation device is further can be destroyed by the manual control device is used for detecting the manual condition of the manual infusion device is avoided.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (9)
1. The utility model provides a gastric juice acidity detection device for digestive system, includes negative pressure suction device and detection device, and negative pressure suction device draws gastric juice to detection device on, detection device includes dropping liquid device and base, and dropping liquid device includes cylinder and piston, and the piston is located the cylinder, is provided with the water dropper in the lower extreme of cylinder, is connected with the transfer line on the lateral wall of cylinder, and the other end of transfer line is connected with the reagent cup, is provided with check valve on water dropper and transfer line, its characterized in that: the base is provided with a supporting frame and a rotating table, the supporting frame is provided with a limiting structure, the rotating table is provided with four diagonal draw bars, the four diagonal draw bars are arranged in an annular array by taking the rotating table as a center, the diagonal draw bars are connected with sampling boxes, the sampling boxes are driven to do circular arc track movement when the rotating table rotates, the base is also provided with a power assembly, the power assembly comprises a servo motor and a gear cylinder, the gear cylinder is meshed with the servo motor, and the gear cylinder is fixedly connected with the rotating table;
The negative pressure suction device comprises a negative pressure suction bottle positioned above the sampling box, the negative pressure suction bottle is connected with the supporting frame through a limiting structure, the negative pressure suction bottle is connected with a stomach tube and a negative pressure suction machine, the negative pressure suction bottle is funnel-shaped, the upper end of the negative pressure suction bottle is a closed end, the lower end of the negative pressure suction bottle is provided with an opening, when the sampling box is contacted with the opening at the lower end of the negative pressure suction bottle, the interior of the negative pressure suction bottle forms a closed space, the negative pressure suction machine pumps gastric juice into the suction bottle, when the opening at the lower end of the negative pressure suction bottle is separated from the sampling box, gastric juice in the negative pressure suction bottle drops into the sampling box, and the sampling box moves to the lower part of the drip device along with the rotation of the rotary table;
the detecting device also comprises a lifting power component, the lifting power component is connected with the liquid dropping device, and the lifting power component can control the sampling box to contact and separate with an opening at the lower end of the negative pressure suction bottle;
the negative pressure suction device and the detection device are also connected with system elements.
2. The gastric acidity detection apparatus for a digestive system of claim 1 characterized in that: the tail end of the diagonal draw bar is provided with a placement ring, and a limiting opening is arranged on the placement ring.
3. The gastric acidity detection apparatus for a digestive system of claim 2 characterized in that: the inner wall of the placing ring is provided with a sampling box, the outer wall of the sampling box is provided with a protruding column, and the protruding column is clamped in the limiting opening.
4. The gastric acidity detection apparatus for a digestive system of claim 1 characterized in that: the lifting power assembly comprises an air cylinder and a lifting table, the lifting table is connected below the rotating table, a central shaft lever is arranged on the lifting table, and the central shaft lever is connected with the liquid dropping device.
5. The gastric acidity detection apparatus for a digestive system of claim 1 characterized in that: the lifting power assembly comprises a vertical square plate and a transverse positioning plate which are arranged on a supporting frame, the lower end face of the transverse positioning plate is connected with an air cylinder, and the other end of the air cylinder is connected with a limiting structure.
6. The gastric acidity detection apparatus for a digestive system of claim 1 characterized in that: the limiting structure comprises a limiting ring arranged on the supporting frame, an internal thread arranged on the inner wall of the limiting ring and an external thread arranged on the outer wall of the negative pressure suction bottle.
7. The gastric acidity detection apparatus for a digestive system of claim 1 characterized in that: the limiting structure comprises a limiting ring arranged on the supporting frame, a U-shaped rod is arranged on the limiting ring, a clamping piece slide way is arranged on the U-shaped rod, clamping teeth are arranged in the clamping piece slide way, and a limiting clamping piece is connected in the clamping piece slide way.
8. The gastric acidity detection apparatus for a digestive system of claim 7 wherein: the limiting clamping piece comprises a limiting handle and a jacking head, a pressing switch is arranged on the jacking head, a groove and a through hole are formed in the limiting handle, and the jacking head is connected in the groove through a compression reset spring set and extends outwards from the through hole.
9. The gastric acidity detection apparatus for a digestive system of claim 1 characterized in that: the base on still be provided with cleaning device, cleaning device includes auger and transport cover, is provided with rectangle mouth and inserted bar on the transport cover, the inserted bar coupling is in the rectangle mouth to the inserted bar can overturn in the rectangle mouth, is provided with the conveying channel in the inserted bar, the terminal coupling of inserted bar has cleaning rod, is provided with cleaning channel and cleaning hole in the cleaning rod, cleaning channel and conveying channel intercommunication.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202410046872.5A CN117554556A (en) | 2024-01-12 | 2024-01-12 | Gastric juice acidity detection device for digestive system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202410046872.5A CN117554556A (en) | 2024-01-12 | 2024-01-12 | Gastric juice acidity detection device for digestive system |
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| CN117554556A true CN117554556A (en) | 2024-02-13 |
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| CN202410046872.5A Pending CN117554556A (en) | 2024-01-12 | 2024-01-12 | Gastric juice acidity detection device for digestive system |
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