CN112618046B - Anti-reflux medical waste liquid recovery device based on negative pressure suction structure - Google Patents
Anti-reflux medical waste liquid recovery device based on negative pressure suction structure Download PDFInfo
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- CN112618046B CN112618046B CN202110015167.5A CN202110015167A CN112618046B CN 112618046 B CN112618046 B CN 112618046B CN 202110015167 A CN202110015167 A CN 202110015167A CN 112618046 B CN112618046 B CN 112618046B
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- 239000007788 liquid Substances 0.000 title claims abstract description 87
- 239000002906 medical waste Substances 0.000 title claims abstract description 22
- 238000011084 recovery Methods 0.000 title claims abstract description 19
- 230000000151 anti-reflux effect Effects 0.000 title claims abstract description 11
- 239000002699 waste material Substances 0.000 claims abstract description 43
- 238000001914 filtration Methods 0.000 claims description 25
- 230000002265 prevention Effects 0.000 claims description 3
- 230000002411 adverse Effects 0.000 claims 1
- 230000037431 insertion Effects 0.000 claims 1
- 238000003780 insertion Methods 0.000 claims 1
- 231100000331 toxic Toxicity 0.000 abstract description 4
- 230000002588 toxic effect Effects 0.000 abstract description 4
- 208000015181 infectious disease Diseases 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 239000000645 desinfectant Substances 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 241000669003 Aspidiotus destructor Species 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 229910000640 Fe alloy Inorganic materials 0.000 description 1
- 229910001021 Ferroalloy Inorganic materials 0.000 description 1
- 241000700605 Viruses Species 0.000 description 1
- 238000003915 air pollution Methods 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 230000000644 propagated effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/08—Accessories or related features not otherwise provided for
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- 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
- A61M2205/00—General characteristics of the apparatus
- A61M2205/75—General characteristics of the apparatus with filters
- A61M2205/7545—General characteristics of the apparatus with filters for solid matter, e.g. microaggregates
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- Life Sciences & Earth Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
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- Oral & Maxillofacial Surgery (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Medical Informatics (AREA)
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- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
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- External Artificial Organs (AREA)
Abstract
The invention relates to the technical field of waste liquid recovery, in particular to an anti-reflux medical waste liquid recovery device based on a negative pressure suction structure. The novel negative pressure collecting device comprises a conveying device, wherein a negative pressure device is arranged at the top of the conveying device, a plurality of collecting devices are symmetrically arranged on one side of the negative pressure device, the conveying device comprises a rectangular conveying plate, a fixing column is arranged on the central axis of the top of the conveying plate, clamping blocks are symmetrically arranged on two intersecting axes of the fixing column, the negative pressure device comprises a cylindrical negative pressure gas tank, the collecting devices comprise a plurality of collecting bottle caps with circular grooves formed in the tops, collecting bottles with scale marks arranged on the outer walls are arranged at the bottoms of the collecting bottle caps, the operation difficulty is relatively high when the collecting bottles are fully collected and need to be replaced, the waste liquid backflow situation can occur when the collecting bottles are full, and therefore toxic and harmful gas or liquid leakage can be avoided from flowing back into the device when the liquid is too much, and machine faults and secondary pollution in a hospital can be caused.
Description
Technical Field
The invention relates to the technical field of waste liquid recovery, in particular to an anti-reflux medical waste liquid recovery device based on a negative pressure suction structure.
Background
A large amount of medical waste liquid is often generated in the medical operation activity, the pollution of the medical waste liquid is very strong, and the environmental pollution is very easy to cause, so the medical waste liquid needs to be effectively collected and treated in time, at present, when the medical waste liquid is collected in the operation, the medical waste liquid is always collected through the traditional collecting tank, plastic barrel and other equipment, although the requirement for collecting the waste liquid can be met, the waste liquid can not be effectively prevented from splashing, viruses in some waste liquid can be propagated through air, the air pollution is easy to generate, meanwhile, when the current collecting bottle is fully collected and needs to be replaced, the operation difficulty is relatively high, the waste liquid can generate the reverse flow condition when the collecting bottle is fully filled, the toxic and harmful gas or liquid can be leaked, the phenomenon that the liquid is excessively returned to the device to cause the machine fault and the secondary pollution in a hospital can be avoided, the infection danger is caused, and the working strength of medical care personnel is improved, the requirement of a large amount of waste liquid recovery operation can not be effectively realized, so that the reliability and stability of medical waste liquid collection are relatively poor, and the requirement of actual use can not be effectively met.
Disclosure of Invention
The invention aims to provide a backflow-preventing medical waste liquid recovery device based on a negative pressure suction structure, so as to solve the problems in the background technology.
In order to achieve the aim, the anti-reflux medical waste liquid recovery device based on the negative pressure suction structure comprises a transportation device, wherein a negative pressure device is arranged at the top of the transportation device, and a plurality of collecting devices are symmetrically arranged on one side of the negative pressure device;
the transportation device comprises a rectangular transportation plate, a fixing column is arranged on the central axis of the top of the transportation plate, clamping blocks are symmetrically arranged on two intersecting axes of the fixing column, and universal wheels are arranged at four corners of the bottom of the transportation plate;
the negative pressure device comprises a cylindrical negative pressure gas tank, a gas tank ejection column is arranged at the top of the negative pressure gas tank, a gas tank connecting pipe is arranged at one end of the gas tank ejection column, external threads are arranged at one end of the gas tank connecting pipe, a negative pressure valve is arranged on one side of the gas tank connecting pipe, a negative pressure pipe is arranged on one side of the gas tank connecting pipe, one end of the negative pressure pipe is connected with a negative pressure connecting column, a negative pressure meter is arranged at the top of the negative pressure connecting column, a negative pressure cover is arranged at the bottom of the negative pressure connecting column, threads are arranged on the inner wall of the negative pressure cover, a connecting bottle is arranged at the bottom of the negative pressure cover, a side edge connecting pipe is arranged on one side of the connecting bottle, a connecting hose is connected to one side of the side edge connecting pipe, an external thread column is arranged at the top of the connecting bottle, and the external thread column is connected with the negative pressure cover;
the collecting device comprises a plurality of collecting bottle caps with circular grooves on the tops, connecting devices are arranged on the tops of the collecting bottle caps, one of the collecting bottle caps is inserted with a waste liquid collecting pipe, a cylindrical external threaded pipe is arranged on one side of a central axis of the tops of the collecting bottle caps, a filtering filter element is arranged at the bottom of the external threaded pipe, a liquid inlet pipe with a smooth surface is arranged on the other side of the central axis of the tops of the collecting bottle caps, an inner snap ring is arranged on the inner wall of the bottom of the liquid inlet pipe, a rotary groove is formed in the bottom of the inner snap ring, a baffle is arranged at the bottom of the inner snap ring, return springs are arranged on two sides of the baffle and hinged with the rotary groove of the inner snap ring, a filtering soft bag is clamped at the bottom of the collecting bottle caps, collecting bottles with scale marks on the outer walls are arranged at the bottoms of the collecting bottle caps, and collecting bottle connecting pipes are arranged on the outer sides of the tops of the collecting bottles, the collecting bottle connecting pipe both ends all are connected with convex side hose, collecting bottle connecting pipe both sides all are provided with the side slider of L shape.
As a further improvement of the technical scheme, connecting columns are symmetrically arranged on one side of the top of the conveying plate, rectangular grooves are formed in the tops of the connecting columns, rectangular sliding columns are arranged at the bottoms of the connecting columns and are in sliding connection with the connecting columns, a top plate is arranged on one side of the top of each sliding column, and a cylindrical holding rod is arranged on one side of the top plate.
As a further improvement of the technical scheme, a plurality of bases are symmetrically arranged around the fixed column, a circular groove is formed in the top of each base, and the bases are in plug-in fit with the collecting bottles.
As the further improvement of this technical scheme, L shape slip joint groove has all been seted up to joint piece axis both sides, slip joint groove with the side slider one-to-one is pegged graft, T shape draw-in groove has all been seted up to joint piece one side, the draw-in groove with the cooperation of collecting vessel connecting pipe joint.
As a further improvement of the technical scheme, the inner wall of the negative pressure pipe is provided with an internal thread, one end of the negative pressure pipe is provided with a circular ring-shaped connecting nut, the internal thread on the inner wall of the negative pressure pipe is connected with the external thread at one end of the gas tank connecting pipe, and the gas tank connecting pipe is connected with the negative pressure pipe through the connecting nut in a threaded manner.
As a further improvement of the technical scheme, a negative pressure knob with stripes on the surface is arranged on one side of the negative pressure connecting column, a negative pressure connecting pipe is connected to the bottom of the negative pressure connecting column, and the bottom of the negative pressure connecting pipe penetrates through the negative pressure cover.
As a further improvement of the technical scheme, the top of the connecting bottle is provided with a circular snap ring, one side of the negative pressure gas tank is provided with a connecting snap plate, one end of the connecting snap plate is provided with a circular fixing groove, the connecting bottle is in plug-in fit with the fixing groove, and the snap ring is clamped at the top of the fixing groove.
As a further improvement of the technical scheme, the connecting device comprises a top hose, one end of the top hose is provided with a connecting cap, the other end of the top hose is provided with an inserting pipe, the inner wall of the inserting pipe is provided with internal threads, the connecting cap is matched with the liquid inlet pipe in an inserting mode, and the inserting pipe is in threaded connection with the external thread pipe.
As a further improvement of the technical scheme, the bottom of the collecting bottle cap is matched with the top of the collecting bottle in a clamping mode, side clamping blocks with rectangular grooves formed in the bottoms are arranged on one side of the collecting bottle cap, a plurality of clamping plates are symmetrically arranged at the bottom of the collecting bottle cap, and a filtering soft bag is clamped on the clamping plates.
As a further improvement of the technical scheme, the top of the filtering soft bag is provided with a clamping groove edge, the bottom of the clamping groove edge is provided with a groove, and the clamping plate is in clamping fit with the clamping groove edge.
Compared with the prior art, the invention has the beneficial effects that:
1. among this negative pressure attracts preventing counter-current formula medical waste liquid recovery unit of structure, spliced pole and sliding column sliding connection, transport plate bottom four corners all is provided with the universal wheel medical personnel mobile device of being convenient for, improves the device flexibility, reduces working strength, is convenient for according to medical personnel height-adjusting, and the base is pegged graft with the receiving flask, and the receiving flask rocks during the prevention mobile device.
2. In the anti-reflux medical waste liquid recovery device with the negative pressure suction structure, the return springs at the two ends of the baffle are hinged with the bottom of the inner clamping ring, so that the filtering soft bag is prevented from being filled with waste liquid and entering the device in a countercurrent manner to cause machine faults and secondary pollution in a hospital, the danger of infection is reduced, the bottom of the outer threaded pipe is provided with a clamping groove edge in which disinfectant is placed, the waste liquid is disinfected, and toxic and harmful gas or liquid is prevented from leaking.
3. In the anti-reflux medical waste liquid recovery device with the negative pressure suction structure, the air pressure suction force is adjusted by rotating the negative pressure knob, the waste liquid inlet speed is controlled, and the negative pressure meter is convenient for observing the negative pressure.
4. In this anti-reflux medical waste liquid recovery unit of negative pressure attraction structure, collection bottle lid bottom joint has the filtration soft bag, is convenient for filter waste liquid large granule debris and prevents to block up the pipeline, saves use cost, improves the practicality, and the collecting bottle use surface is carved with the high transparent glass collecting bottle of scale, is convenient for observe the waste liquid collection volume.
Drawings
FIG. 1 is a schematic view of the entire structure of embodiment 1;
FIG. 2 is an exploded view of the whole structure of embodiment 1;
FIG. 3 is a schematic view of the structure of a transportation apparatus according to embodiment 1;
FIG. 4 is a schematic structural view of a negative pressure device according to embodiment 1;
FIG. 5 is a structural exploded view of a negative pressure device in accordance with embodiment 1;
FIG. 6 is a schematic view showing the structure of the collecting bottle cap according to embodiment 1;
FIG. 7 is a disassembled view of the collecting bottle cap and the connecting device in the embodiment 1;
FIG. 8 is a sectional view of the collecting bottle cap structure of example 1;
FIG. 9 is an exploded view of the baffle plate and the inner clip structure of example 1;
FIG. 10 is a schematic view of the structure of the collection bottle of example 1;
FIG. 11 is a sectional view of the structure of the collection bottle of example 1.
The various reference numbers in the figures mean:
1. a transportation device;
11. a transport plate; 111. a base; 112. a universal wheel;
12. connecting columns; 121. a sliding post; 122. a top plate; 123. a holding rod;
13. fixing a column; 131. a clamping block; 1311. a sliding clamping groove; 1312. a card slot;
2. a negative pressure device;
21. a negative pressure gas tank; 211. a gas tank top post; 212. a negative pressure valve; 213. a gas tank connecting pipe; 214. connecting a clamping plate; 2141. fixing grooves;
22. a negative pressure connecting column; 221. a negative pressure gauge; 222. a negative pressure knob; 223. a negative pressure connecting pipe; 224. a side connecting pipe; 2241. a connecting hose; 225. a negative pressure tube; 226. a connecting nut;
23. a negative pressure cover;
24. connecting the bottles; 241. a snap ring; 242. an externally threaded post;
3. a collection device;
31. collecting bottle caps; 311. a side clamping block; 3111. a clamping and connecting plate; 312. an externally threaded tube; 3121. a filter element; 313. a liquid inlet pipe; 3131. an inner snap ring; 314. filtering a soft bag; 3141. clamping the groove edge; 315. a baffle plate; 3151. a return spring;
32. a connecting device; 321. a top hose; 322. a connecting cap; 323. inserting a tube;
33. a waste liquid collecting pipe;
34. a collection bottle; 341. a side slider; 342. a collecting bottle connecting pipe; 343. side hoses.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
Example 1
Referring to fig. 1-11, a negative pressure suction structure-based anti-reflux medical waste liquid recovery device is provided, a transportation device 1 is provided, a negative pressure device 2 is arranged on the top of the transportation device 1, and a plurality of collecting devices 3 are symmetrically arranged on one side of the negative pressure device 2;
the transportation device 1 comprises a rectangular transportation plate 11, a fixing column 13 is arranged at the central axis of the top of the transportation plate 11, clamping blocks 131 are symmetrically arranged at the two crossed axes of the fixing column 13, and universal wheels 112 are arranged at the four corners of the bottom of the transportation plate 11;
the mobile device conveyer 1 of this embodiment is when using, base 111 all pegs graft the cooperation with receiving flask 34, receiving flask 34 rocks during preventing mobile device, slip joint groove 1311 all with side slider 341 joint, draw-in groove 1312 and receiving flask connecting pipe 342 joint, receiving flask connecting pipe 342 all links together through side hose 343, hold holding rod 123 and pull up, adjust the height that sliding column 121 extends according to medical personnel's height, spliced pole 12 and sliding column 121 sliding connection, take sliding column 121 out from spliced pole 12, holding rod 123 promotes conveyer 1 is held to both hands, conveying plate 11 bottom four corners all is provided with universal wheel 112, make the device remove suitable place, holding rod 123 is cylindrical ferroalloy material and makes, be convenient for both hands hold pusher.
The negative pressure device 2 comprises a cylindrical negative pressure gas tank 21, a gas tank top column 211 is arranged at the top of the negative pressure gas tank 21, a gas tank connecting pipe 213 is arranged at one end of the gas tank top column 211, an external thread is arranged at one end of the gas tank connecting pipe 213, a negative pressure valve 212 is arranged on one side of the gas tank connecting pipe 213, a negative pressure pipe 225 is arranged on one side of the gas tank connecting pipe 213, one end of the negative pressure pipe 225 is connected with a negative pressure connecting column 22, a negative pressure gauge 221 is arranged at the top of the negative pressure connecting column 22, a negative pressure cover 23 is arranged at the bottom of the negative pressure connecting column 22, a thread is arranged on the inner wall of the negative pressure cover 23, a connecting bottle 24 is arranged at the bottom of the negative pressure cover 23, a side edge connecting pipe 224 is arranged on one side of the connecting bottle 24, a connecting hose 2241 is connected to one side of the side edge connecting pipe 224, an external thread column 242 is arranged at the top of the connecting bottle 24, and the external thread column 242 is in threaded connection with the negative pressure cover 23;
when the mobile device negative pressure device 2 of the embodiment is used, the negative pressure valve 212 is rotated to enable negative pressure suction in the negative pressure gas tank 21, the negative pressure is observed through the negative pressure meter 221, the negative pressure knob 222 is rotated to adjust the negative pressure, the negative pressure passes through the gas tank connecting pipe 213 and the negative pressure pipe 225, and then enters the connecting bottle 24 from the negative pressure connecting pipe 223 through the negative pressure connecting column 22, when the negative pressure terminal is connected, air negative pressure is generated in the connecting bottle 24, the negative pressure guides waste liquid to flow into the connecting bottle 24 from the collecting device 3, when the height of the waste liquid in the connecting bottle 24 reaches a certain height, the negative pressure valve 212 is rotated to close the negative pressure gas tank 21, and the liquid inflow of the connecting hose 2241 is cut off, so that the liquid in the connecting bottle 24 is prevented from overflowing due to interference, and the connecting bottle 24 is preferably made of transparent hard plastic material, so that the height condition of the waste liquid in the connecting bottle 24 can be observed conveniently.
The collecting device 3 comprises a plurality of collecting bottle caps 31 with circular grooves on the top, the top of each collecting bottle cap 31 is provided with a connecting device 32, the top of one collecting bottle cap 31 is inserted with a waste liquid collecting pipe 33, one side of the central axis of the top of the collecting bottle cap 31 is provided with a cylindrical external thread pipe 312, the bottom of the external thread pipe 312 is provided with a filtering filter core 3121, the other side of the central axis of the top of the collecting bottle cap 31 is provided with a liquid inlet pipe 313 with a smooth surface, the inner wall of the bottom of the liquid inlet pipe 313 is provided with an inner clamp ring 3131, the bottom of the inner clamp ring 3131 is provided with a rotary groove, the bottom of the inner clamp ring 3131 is provided with a baffle 315, two sides of the baffle 315 are provided with a return spring 3151, the return spring 3151 is hinged with the rotary groove of the inner clamp ring 3131, the bottom of the collecting bottle cap 31 is provided with a filtering soft bag 314, the bottom of the collecting bottle cap 31 is provided with a collecting bottle 34 with scale marks on the outer wall, and the outer side of the top of the collecting bottle 34 is provided with a collecting bottle connecting pipe 342, the two ends of the collecting bottle connecting pipe 342 are connected with arc-shaped side hoses 343, and the two sides of the collecting bottle connecting pipe 342 are provided with L-shaped side sliders 341.
When the mobile device collecting device 3 of this embodiment is used, when the negative pressure terminal is connected, the connecting hose 2241 is connected with one end of the collecting bottle connecting pipe 342, the waste liquid enters the liquid inlet pipe 313 from the waste liquid collecting pipe 33, the pressure of the waste liquid washes away the baffle 315, the return spring 3151 is hinged with the bottom of the inner clamping ring 3131, the baffle 315 is opened downwards, the waste liquid is prevented from entering the device in a reverse flow manner to cause machine failure and secondary pollution in hospital, the risk of infection is reduced, the working strength of medical personnel is reduced, the waste liquid enters one of the collecting bottles 34, large-particle impurities are filtered by the filtering soft bag 314, negative pressure generated by the negative pressure device 2 enters the collecting bottle 34 through the collecting bottle connecting pipe 342, negative pressure is generated in the collecting bottle 34 to suck the waste liquid in the filtering soft bag 314 from the outer threaded pipe 312, the waste liquid enters the clamping groove edge 3141 with disinfectant placed therein to disinfect the waste liquid, the waste liquid is discharged from the external threaded pipe 312 and enters the top hose 321, and enters the other collecting bottle 34 from the connecting cap 322 at one end of the top hose 321 until the waste liquid enters the connecting bottle 24, the filtering soft bag 314 is preferably made of a gauze filtering net so as to be convenient for filtering large-particle sundries, and the collecting bottle 34 is preferably made of a glass bottle with high transparent scales.
In this embodiment, the base 111 is inserted into and matched with the collection bottle 34 to prevent the collection bottle 34 from shaking when the device is moved, the sliding clamping grooves 1311 are clamped with the side sliders 341, the clamping grooves 1312 are clamped with the collection bottle connecting pipes 342, the collection bottle connecting pipes 342 are connected together through the side hoses 343, the holding rod 123 is held and pulled upwards, the extended height of the sliding column 121 is adjusted according to the height of a medical worker, the connecting column 12 is slidably connected with the sliding column 121 to draw the sliding column 121 out of the connecting column 12, the holding rod 123 is held by two hands to push the transportation device 1, the four corners of the bottom of the transportation plate 11 are provided with the universal wheels 112 to move the device to a proper position, the holding rod 123 is made of a cylindrical iron alloy material to facilitate holding the pushing device by two hands, one side of the top of the transportation plate 11 is symmetrically provided with the connecting column 12, the top of the connecting column 12 is provided with a rectangular groove, the bottom of the connecting column 12 is provided with the rectangular sliding column 121, sliding column 121 and spliced pole 12 sliding connection, sliding column 121 top one side sets up roof 122, roof 122 one side is provided with cylindrical holding rod 123, the symmetry is provided with a plurality of bases 111 around fixed column 13, circular recess has been seted up at base 111 top, L shape slip joint groove 1311 has all been seted up to base 111 and 34 grafting cooperation joint piece 131 axis both sides of receiving flask, slip joint groove 1311 pegs graft with side slider 341 one-to-one, T shape draw-in groove 1312 has all been seted up to joint piece 131 one side, draw-in groove 1312 and the cooperation of receiving flask connecting pipe 342 joint.
Specifically, the negative pressure suction force in the negative pressure gas tank 21 is caused by rotating the negative pressure valve 212, the negative pressure is observed through the negative pressure gauge 221, the negative pressure knob 222 is rotated to adjust the negative pressure, the negative pressure enters the connecting bottle 24 from the negative pressure connecting pipe 223 through the gas tank connecting pipe 213 and the negative pressure pipe 225 and then through the negative pressure connecting column 22, when the negative pressure terminal is connected, air negative pressure is generated in the connecting bottle 24, the negative pressure leads waste liquid to flow into the inner connecting bottle 24 from the collecting device 3, when the height of the waste liquid in the connecting bottle 24 reaches a certain height, the negative pressure valve 212 is rotated to close the negative pressure gas tank 21, the liquid inflow of the connecting hose 2241 is cut off, thereby preventing the liquid in the connecting bottle 24 from overflowing due to interference, the connecting bottle 24 is preferably made of transparent hard plastic material, the condition of the height of the waste liquid in the connecting bottle 24 can be observed conveniently, the connecting nut 226 further seals and reinforces the negative pressure pipe 225 and the gas tank connecting pipe 213, and prevents the negative pressure effect from being affected, the inner wall of the negative pressure pipe 225 is provided with an internal thread, one end of the negative pressure pipe 225 is provided with a circular ring-shaped connecting nut 226, the internal thread is connected with the external thread of one end of the gas tank connecting pipe 213 on the inner wall of the negative pressure pipe 225, the gas tank connecting pipe 213 is in threaded connection with the negative pressure pipe 225 through the connecting nut 226, one side of the negative pressure connecting post 22 is provided with a negative pressure knob 222 with a stripe on the surface, the bottom of the negative pressure connecting post 22 is connected with the negative pressure connecting pipe 223, the negative pressure cover 23 is run through at the bottom of the negative pressure connecting pipe 223, the top of the connecting bottle 24 is provided with a circular ring-shaped snap ring 241, one side of the negative pressure gas tank 21 is provided with a connecting snap plate 214, one end of the connecting snap plate 214 is provided with a circular fixing groove 2141, the connecting bottle 24 is in plug-in cooperation with the fixing groove 2141, and the snap ring 241 is clamped at the top of the fixing groove 2141.
Further, when the negative pressure terminal is connected, the connecting hose 2241 is connected with one end of the collecting bottle connecting pipe 342, the waste liquid enters the liquid inlet pipe 313 from the waste liquid collecting pipe 33, the pressure of the waste liquid flushes the baffle 315, the return spring 3151 is hinged with the bottom of the inner snap ring 3131, the baffle 315 is opened downwards, the waste liquid is prevented from entering the equipment in a reverse flow manner to cause machine failure and secondary pollution in a hospital, the risk of infection is reduced, the working strength of medical personnel is reduced, the waste liquid enters one of the collecting bottles 34, large-particle impurities are filtered through the filtering soft bag 314, negative pressure generated by the negative pressure device 2 enters the collecting bottle 34 through the collecting bottle connecting pipe 342, negative pressure is generated in the collecting bottle 34, the waste liquid in the filtering soft bag 314 is sucked from the outer threaded pipe 312, the waste liquid enters the clamping groove side 3141 with disinfectant in the collecting bottle, the waste liquid is disinfected to prevent toxic and harmful gas or liquid from leaking, the waste liquid enters the top hose 321 from the external thread pipe 312, enters another collecting bottle 34 from the connecting cap 322 at one end of the top hose 321 until the waste liquid enters the connecting bottle 24, the filtering soft bag 314 is preferably made of gauze filtering net for filtering large-particle sundries, the collecting bottle 34 is preferably made of glass bottle with high transparent scale, one end of one side hose 343 is provided with a sealing cover, one external thread pipe 312 is sealed by a rubber cover, the connecting device 32 comprises a top hose 321, one end of the top hose 321 is provided with a connecting cap 322, the other end of the top hose 321 is provided with an inserting pipe 323 with internal thread on the inner wall, the connecting cap 322 is inserted and matched with the liquid inlet pipe 313, the inserting pipe 323 is connected with the external thread pipe 312 in a threaded manner, the bottom of the collecting bottle cap 31 is all matched with the top of the collecting bottle 34 in a clamping manner, one side of the collecting bottle cap 31 is provided with a clamping block 311 with a rectangular groove at the bottom, the bottom of the collecting bottle cap 31 is symmetrically provided with a plurality of clamping plates 3111, the clamping plates 3111 are clamped with a filtering soft bag 314, the top of the filtering soft bag 314 is provided with a clamping groove edge 3141, the bottom of the clamping groove edge 3141 is provided with a groove, and the clamping plates 3111 are clamped and matched with the clamping groove edge 3141.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. The utility model provides a prevent adverse current formula medical waste liquid recovery unit based on negative pressure suction structure, includes conveyer (1), its characterized in that: the top of the transportation device (1) is provided with a negative pressure device (2), and one side of the negative pressure device (2) is symmetrically provided with a plurality of collecting devices (3);
the conveying device (1) comprises a rectangular conveying plate (11), a fixing column (13) is arranged on the central axis of the top of the conveying plate (11), clamping blocks (131) are symmetrically arranged at two crossed axes of the fixing column (13), and universal wheels (112) are arranged at four corners of the bottom of the conveying plate (11);
the negative pressure device (2) comprises a cylindrical negative pressure gas tank (21), a gas tank support pillar (211) is arranged at the top of the negative pressure gas tank (21), a gas tank connecting pipe (213) is arranged at one end of the gas tank support pillar (211), an external thread is arranged at one end of the gas tank connecting pipe (213), a negative pressure valve (212) is arranged on one side of the gas tank connecting pipe (213), a negative pressure pipe (225) is arranged on one side of the gas tank connecting pipe (213), one end of the negative pressure pipe (225) is connected with a negative pressure connecting column (22), a negative pressure gauge (221) is arranged at the top of the negative pressure connecting column (22), a negative pressure cover (23) is arranged at the bottom of the negative pressure connecting column (22), a thread is arranged on the inner wall of the negative pressure cover (23), a connecting bottle (24) is arranged at the bottom of the negative pressure cover (23), and a side edge connecting pipe (224) is arranged on one side of the connecting bottle (24), one side of the side connecting pipe (224) is connected with a connecting hose (2241), the top of the connecting bottle (24) is provided with an external threaded column (242), and the external threaded column (242) is in threaded connection with the negative pressure cover (23);
the collecting device (3) comprises a plurality of collecting bottle caps (31) with round grooves formed in the tops, connecting devices (32) are arranged at the tops of the collecting bottle caps (31), one of the connecting devices is connected with a waste liquid collecting pipe (33) in an inserting mode at the top of the collecting bottle cap (31), a cylindrical outer threaded pipe (312) is arranged on one side of a central axis of the top of the collecting bottle cap (31), a filtering filter element (3121) is arranged at the bottom of the outer threaded pipe (312), a liquid inlet pipe (313) with a smooth surface is arranged on the other side of the central axis of the top of the collecting bottle cap (31), an inner clamping ring (3131) is arranged on the inner wall of the bottom of the liquid inlet pipe (313), a rotating groove is formed in the bottom of the inner clamping ring (3131), a baffle plate (315) is arranged at the bottom of the inner clamping ring (3131), return force springs (3151) are arranged on two sides of the baffle plate (315), and the return force springs (3151) are hinged to the rotating groove of the inner clamping ring (3131), the bottom of the collecting bottle cap (31) is clamped with a filtering soft bag (314), the bottom of the collecting bottle cap (31) is provided with a collecting bottle (34) with scale marks on the outer wall, the outer side of the top of the collecting bottle (34) is provided with a collecting bottle connecting pipe (342), two ends of the collecting bottle connecting pipe (342) are connected with arc-shaped side edge hoses (343), and two sides of the collecting bottle connecting pipe (342) are provided with L-shaped side edge sliding blocks (341); connecting columns (12) are symmetrically arranged on one side of the top of the conveying plate (11), a rectangular groove is formed in the top of each connecting column (12), rectangular sliding columns (121) are arranged at the bottoms of the connecting columns (12), the sliding columns (121) are connected with the connecting columns (12) in a sliding mode, top plates (122) are arranged on one sides of the tops of the sliding columns (121), and cylindrical holding rods (123) are arranged on one sides of the top plates (122); a plurality of bases (111) are symmetrically arranged around the fixed column (13), a circular groove is formed in the top of each base (111), and the bases (111) are in splicing fit with the collecting bottles (34); the inner wall of the negative pressure pipe (225) is provided with internal threads, one end of the negative pressure pipe (225) is provided with a circular connecting nut (226), the internal threads on the inner wall of the negative pressure pipe (225) are connected with the external threads at one end of the gas tank connecting pipe (213), and the gas tank connecting pipe (213) is in threaded connection with the negative pressure pipe (225) through the connecting nut (226); a negative pressure knob (222) with stripes on the surface is arranged on one side of the negative pressure connecting column (22), a negative pressure connecting pipe (223) is connected to the bottom of the negative pressure connecting column (22), and the bottom of the negative pressure connecting pipe (223) penetrates through the negative pressure cover (23); connect bottle (24) top and be provided with annular snap ring (241), negative pressure gas pitcher (21) one side is provided with connects cardboard (214), connect cardboard (214) one end and seted up circular fixed slot (2141), connect bottle (24) with fixed slot (2141) cooperation of pegging graft, snap ring (241) joint is at fixed slot (2141) top.
2. The negative pressure suction structure backflow prevention type medical waste liquid recovery device according to claim 1, characterized in that: l-shaped sliding clamping grooves (1311) are formed in two sides of the axis of the clamping block (131), the sliding clamping grooves (1311) are in one-to-one corresponding insertion connection with the side sliding blocks (341), T-shaped clamping grooves (1312) are formed in one side of the clamping block (131), and the clamping grooves (1312) are in clamping fit with the collecting bottle connecting pipe (342).
3. The anti-reflux medical waste liquid recovery device of the negative pressure suction structure according to claim 1, characterized in that: the connecting device (32) comprises a top hose (321), one end of the top hose (321) is provided with a connecting cap (322), the other end of the top hose (321) is provided with an inserting pipe (323) with an inner thread on the inner wall, the connecting cap (322) is matched with the liquid inlet pipe (313) in an inserting mode, and the inserting pipe (323) is in threaded connection with the outer threaded pipe (312).
4. The negative pressure suction structure backflow prevention type medical waste liquid recovery device according to claim 1, characterized in that: collect bottle lid (31) bottom all with collection bottle (34) top joint cooperation, collect bottle lid (31) one side all is provided with side fixture block (311) that the bottom opened has the rectangular channel, collect bottle lid (31) bottom symmetry and be provided with a plurality of joint boards (3111), the joint has filtration soft bag (314) on joint board (3111).
5. The anti-reflux medical waste liquid recovery device of the negative pressure suction structure according to claim 4, wherein: the top of the filtering soft bag (314) is provided with a clamping groove edge (3141), the bottom of the clamping groove edge (3141) is provided with a groove, and the clamping plate (3111) is matched with the clamping groove edge (3141) in a clamping manner.
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| CN202110015167.5A CN112618046B (en) | 2021-01-06 | 2021-01-06 | Anti-reflux medical waste liquid recovery device based on negative pressure suction structure |
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| CN112618046B true CN112618046B (en) | 2022-05-10 |
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| CN104225692A (en) * | 2014-09-25 | 2014-12-24 | 内蒙古力丰医疗科技有限公司 | Waste liquid negative pressure collection device |
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| CN209075593U (en) * | 2017-09-18 | 2019-07-09 | 东莞康智医疗器械有限公司 | A kind of waste collection system |
| CN209916850U (en) * | 2019-03-22 | 2020-01-10 | 彭胜强 | Waste liquid collection device for dialysis instrument of nephrology dept |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US8137329B2 (en) * | 2004-03-25 | 2012-03-20 | Medindica-Pak, Inc. | Method and apparatus for transforming a delivery container into a waste disposal system |
| CN204072879U (en) * | 2014-05-09 | 2015-01-07 | 天津市肿瘤医院 | Difunctional drainage system |
| CN208345027U (en) * | 2018-05-21 | 2019-01-08 | 秦玉芬 | A kind of medical treatment waste collecting device |
| CN110115781A (en) * | 2019-06-13 | 2019-08-13 | 南通市第一人民医院 | A kind of Intensive Care Unit negative pressure drainage device |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104225692A (en) * | 2014-09-25 | 2014-12-24 | 内蒙古力丰医疗科技有限公司 | Waste liquid negative pressure collection device |
| CN207462363U (en) * | 2017-04-06 | 2018-06-08 | 肖木芬 | A kind of medical treatment waste collection equipment |
| CN209075593U (en) * | 2017-09-18 | 2019-07-09 | 东莞康智医疗器械有限公司 | A kind of waste collection system |
| CN208864893U (en) * | 2018-05-16 | 2019-05-17 | 杨建军 | A kind of medical treatment department of general surgery hepatobiliary drainage device |
| CN209916850U (en) * | 2019-03-22 | 2020-01-10 | 彭胜强 | Waste liquid collection device for dialysis instrument of nephrology dept |
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