CN113729784B - Urine sampling device for metabonomics clinical study - Google Patents
Urine sampling device for metabonomics clinical study Download PDFInfo
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- CN113729784B CN113729784B CN202111062220.3A CN202111062220A CN113729784B CN 113729784 B CN113729784 B CN 113729784B CN 202111062220 A CN202111062220 A CN 202111062220A CN 113729784 B CN113729784 B CN 113729784B
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- A61B10/007—Devices for taking samples of body liquids for taking urine samples
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Abstract
The invention relates to the technical field of medical sampling instruments, in particular to a urine sampling device for clinical research of metabonomics, which comprises a urine cup, a sampling cup and a urine receiving hopper, wherein a first cavity, a second cavity and a urine storage cavity are sequentially arranged in the inner cavity of the urine cup from top to bottom, a partition plate with a through hole is arranged between the first cavity and the second cavity, a first expansion block and a sealing plate are arranged in the second cavity, a first channel, an exhaust channel and a urine leakage channel are arranged in the side wall of the urine cup, an upper end opening of the sampling cup is arranged outside the urine cup, and a second channel which is used for communicating the inner cavity of the sampling cup with the urine storage cavity is arranged in the urine cup.
Description
Technical Field
The invention relates to the technical field of medical detection sampling instruments, in particular to a urine sampling device for metabonomics clinical research.
Background
In the process of carrying out clinical research based on the qi deficiency syndrome of primary liver cancer by certain injection of metabonomics, the middle-section urine of a patient of a treatment group and a patient of a control group is required to be sampled and analyzed, in the process of sampling urine, the conventional urine sampling device is a urine cup with an opening at the top, when the patient uses the urine cup to collect middle-section urine, the urine cup with the opening at the top can not control the instant on or instant off of urine basically because of human bodies, particularly patients, during urination, often causes the urine to splash and the urine to be sprayed on the outer wall of the urine cup when the patient receives middle-section urine, so that the outer wall of the urine cup and the hands of the patient are stained with urine, the urine cup is very unhygienic, and the urine cup with the urine is stained with the urine of a detection staff can pollute the working environment, and the urine cup is easy to overflow the outer wall of the urine cup because the urine sampling quantity is generally not large, and the diameter and the depth of the urine cup with the opening at the top can easily splash the urine cup when the patient sends urine to the patient for detection.
Based on the above reasons, there is a need for an improvement in the existing urine sampling device to solve the problem that the existing urine sampling device easily causes pollution of the urine cup when collecting the middle urine of the patient.
Disclosure of Invention
The invention aims to provide a urine sampling device for metabonomics clinical research, so as to effectively solve the problem that the existing urine sampling device is easy to cause pollution of a urine cup when collecting middle-section urine of a patient.
In order to achieve the above purpose, the basic scheme of the invention is as follows:
a urine sampling device for metabonomics clinical study comprises a urine cup, a sampling cup and a urine receiving hopper;
the upper end of the urine cup is fixedly connected with a cover body, a plug hole for communicating the inner space and the outer space of the urine cup is formed in the cover body, and a ventilation groove penetrating through the cover body along a bus of the plug hole is formed in the inner wall of the plug hole;
the inner cavity of the urine cup is fixedly connected with the first baffle plate and the second baffle plate from top to bottom in sequence to isolate the inner cavity of the urine cup into a first cavity, a second cavity and a urine storage cavity from top to bottom;
the middle part of the first partition plate is provided with a plurality of first through holes for communicating the first chamber with the second chamber, a first expansion block and a sealing plate positioned above the first expansion block are arranged in the second chamber, and a gap is reserved between the periphery of the sealing plate and the inner wall of the urine cup;
a first channel, an exhaust channel and a urinary tract are arranged in the side wall of the urine cup;
the upper port of the first channel is communicated with the lower space in the first cavity, and the lower port of the first channel is communicated with the urine storage cavity;
the upper port of the exhaust channel is communicated with the upper space in the first cavity, and the lower port of the exhaust channel is communicated with the upper space in the urine storage cavity;
the urine draining pipe is vertically arranged, the upper port of the urine draining pipe is communicated with the lower space in the first cavity, the lower port of the urine draining pipe penetrates through the bottom of the urine cup and is communicated with the outer space of the urine cup, a first sliding column and a spring are arranged in the urine draining pipe, a urine draining bypass is arranged in the side wall of the urine cup, the first sliding column is in sealed sliding connection with the urine draining pipe, the upper end of the urine draining bypass is communicated with the upper space in the urine draining pipe, the lower end of the urine draining bypass is communicated with the lower space in the urine draining pipe, the upper end of the spring is fixedly connected with the bottom of the first sliding column, the lower end of the spring is fixedly connected with the inner wall of the urine draining pipe, and the upper end face of the first sliding column is positioned above the upper port of the urine draining bypass to separate the urine draining bypass from the first cavity;
the urine receiving hopper is funnel-shaped and comprises an inserting part matched with the inserting hole and provided with a hollow channel and a horn-shaped urine receiving disc positioned at the upper end of the inserting part;
the upper end opening of sampling cup set up in outside the urine cup, the sampling cup outer wall set up with urine cup outer wall complex arc, sampling cup and urine cup sealed fixed connection set up in the urine cup with the inner chamber of sampling cup with deposit the second passageway of urine chamber intercommunication, sampling cup upper end opening, the upper end setting of sampling cup with sampling cup upper end confined second film.
The principle and beneficial effects of the basic scheme of the urine sampling device for metabonomics clinical study are as follows:
the urine collecting device comprises a urine collecting tray, a urine collecting hopper, a urine collecting tray, a first expansion block, a first through hole, a second through hole, a first sealing plate, a second sealing plate, a first through hole, a second sealing plate, a first expansion block, a second sealing plate, a first through hole and a second through hole, wherein the urine collecting tray is inserted into the insertion hole through the insertion portion of the urine collecting hopper, the urine is in the urine collecting tray of the urine collecting hopper, the urine flows into the urine collecting tray of the urine collecting hopper by the patient towards the urine collecting tray of the urine collecting hopper, the urine flows into the first through hole to be blocked by the lower surface of the first sealing plate when the sealing plate is pushed upwards by the rapid volume increase after the urine is absorbed by the first expansion block, the urine cannot continuously enter the second chamber, and the urine of the first section of the urine discharged by the patient is sealed in the second chamber.
Along with urine continuously entering the first chamber to enable the liquid level of the urine to rise, the urine flows into the space above the first slide column in the urine leakage channel, at the moment, the pressure of the urine in the urine leakage channel on the first slide column is insufficient to enable the slide column to move downwards to enable the upper port of the urine leakage side channel to be communicated with the first chamber, the urine cannot enter the urine leakage side channel, meanwhile, the urine flows into the urine storage cavity through the first channel, gas in the urine storage cavity is discharged into the first chamber through the gas discharge channel, and when the urine in the urine storage cavity rises to submerge the lower port of the gas discharge channel, the gas in the urine storage cavity cannot be discharged outwards, the urine does not enter the urine storage cavity any more, and the middle-section urine of a patient is stored in the urine storage cavity.
The urine in the first chamber increases rapidly after urine no longer gets into and deposits the urine chamber so that the pressure that urine in the first chamber produced to first traveller increases, and the second traveller moves down at this moment and makes the last port of letting out the urine bypass and let out urine intercommunication in the urethra, and urine is discharged outside through letting out urine bypass entering to let out the urethra lower extreme.
After the patient no longer urinates, the urine of first cavity reduces the pressure that produces to the second traveller and reduces, and the upward movement of second traveller cuts off the last port of urine leakage bypass with first cavity under the elasticity of spring, and the urine in the first cavity no longer flows outward, and urine collection ends.
When the detecting personnel take urine samples, the second film closing the upper port of the sampling cup is torn off, at the moment, the middle-section urine in the urine storage cavity enters the sampling cup through the second channel, and the detecting personnel can sample and analyze the middle-section urine in the sampling cup.
Compared with the prior art, the basic scheme of the invention has at least the following beneficial effects:
1. this basic scheme is convenient for the patient to connect urine through setting up with urine cup complex urine receiving hopper, and the patient urine can not spill on urine cup and patient's hand when urination, sets up the lid on the urine cup, and the urine that gets into in the urine cup can not outwards splash.
2. This basic scheme has set up different cavities and passageway and the subassembly that have interrelated interact, under the circumstances of not breaking patient urination with patient's first section urine seal outside first cavity and with patient's tail section urine discharge urine cup to with detect the middle section urine storage of patient who needs in depositing the urine chamber, have automatic segmentation effect, improve urine examination analysis's precision, set up the convenient inspector of sampling cup simultaneously and to middle section urine sample.
Further, for improving the detection accuracy, the detection of urine is mainly taking middle section urine as detecting sample in medicine, and first section urine and tail section urine all probably contain other substances that influence the detection accuracy, for preventing other substances in the tail section urine of patient from depositing urine passageway and getting into and depositing the urine chamber, correspond to deposit urine chamber's lateral wall in the urine cup the level set up with the horizontal slide of first passageway intercommunication, the position height of horizontal slide be less than the position height of exhaust passage's lower extreme, the one end of horizontal slide with deposit urine chamber intercommunication, the other end of horizontal slide be located for being located between first passageway and the urine cup outer wall blind end, set gradually by depositing urine chamber to first passageway direction in the horizontal slide fixed plate, second expansion piece and with horizontal slide sealing sliding connection's second slide, fixed plate and urine cup fixed connection are last to set up by depositing urine chamber to first passageway direction and the second through-hole that the fixed plate runs through, the one end of second expansion piece with fixed plate fixed connection, the other end of second expansion piece with second expansion piece when second expansion piece and second expansion piece are not with second slide, second expansion piece when the second expansion piece is not with second slide.
When the urine in the urine storage cavity reaches a certain amount, the volume of the second expansion block is increased when the urine contacts with the second expansion block through the second through hole, the second sliding column is pushed to move towards the direction close to the outer wall of the urine cup to abut against the blind end of the transverse slideway, at the moment, the second sliding column seals the first channel to separate the urine storage cavity from the first cavity, and other substances in the urine at the tail section cannot enter the urine storage cavity.
Further, for preventing urine from polluting the bottom of the cup when discharging by letting out the urethra and connecing urine to accomplish the back and let out urine by way and the urine of first slide column lower extreme and continue to drip outward in letting out the urethra, cause the pollution of detection environment, set up on the urine cup and prevent outer the drip mechanism, prevent outer the drip mechanism and include push rod, slide pipe and water absorption piece, the push rod with the slide pipe is vertical to be set up let out in the urethra, the upper end of push rod with the lower extreme fixed connection of first slide column, the lower extreme of push rod with the upper end fixed connection of slide pipe, the slide pipe is the body, the slide pipe with let out the sealed sliding connection of urethra, water absorption piece inlay in let out the urine cup bottom of urethra lower extreme, set up on the water absorption piece and supply the third through-hole that the slide pipe walked, when the up end of first slide column is located let out the top of the upper end of side channel, the lower extreme of slide pipe is located let out in the slide column down leads to the lower side channel the urine port when the first slide column moves down and stretches out the lower side channel the bottom of the urethra chamber.
When the urine in the first chamber is more forced to move downwards by the first sliding column to enable the upper port of the urine leakage bypass to be communicated with the urine leakage channel, the urine in the first chamber flows downwards through the urine leakage bypass and the sliding tube at the lower end of the urine leakage channel, at the moment, the push rod moves downwards along with the first sliding column to push the sliding tube to enable the lower end of the sliding tube to extend out of the bottom of the urine cup, the tube wall of the sliding tube separates a water absorption block from the urine leakage channel, the urine flowing out of the lower end of the sliding tube cannot contact the water absorption block, the water absorption block cannot absorb the urine, when the urine receiving is less in the first chamber, the spring forces the upper end of the first sliding column to be located above the upper port of the urine leakage bypass to isolate the urine leakage bypass from the first chamber, the residual urine in the first chamber cannot flow out continuously, at the moment, the push rod fixedly connected with the first sliding column drives the upper end of the sliding tube to enable the lower end of the sliding tube to be located in the urine leakage channel, the water absorption block cannot be contacted with the urine leakage channel, and urine leakage is prevented from flowing out of the inner wall of the urine leakage channel through the lower port of the urine absorption block.
Further, the absorbent wood pulp fiber sponge has the characteristic of rapid volume expansion after washing water, and the first expansion block and the second expansion block are both made of the absorbent wood pulp fiber sponge.
Further, since the water-absorbent resin having sodium polyacrylate as a main component has a strong water absorbency, the water-absorbent block is made of the water-absorbent resin having sodium polyacrylate as a main component.
Further, for the convenience of patient use, the spliced eye is the inverted cone hole that the slope set up, the outer wall of grafting portion set up to with the tapering of spliced eye is the same inverted cone, when will connect the grafting portion of urine fill inserts spliced eye and spliced eye in close contact with, connect the opening of urine dish to the one side slope of urine cup in order to make things convenient for the patient to connect the urine.
Furthermore, for being applicable to male patient and receiving urine and use, the terminal surface of receiving the big end of urine dish appears loudspeaker form along week parallel and level.
Further, for female patients to use urine, the end face of the large end of the urine receiving plate 302 is curved along the circumference corresponding to the lower abdomen of women.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Fig. 2 is a partial cross-sectional view of an embodiment of the invention without a urinal.
Fig. 3 is a top view of an embodiment of the present invention.
Fig. 4 is an enlarged view of a portion a in fig. 1.
Fig. 5 is an enlarged view of a portion B in fig. 1.
Fig. 6 is a schematic view of another urinal according to an embodiment of the present invention.
Detailed Description
The following is a further detailed description of the embodiments:
reference numerals in the drawings of the specification include: urine cup 10, first chamber 101, second chamber 102, first expansion block 1021, closing plate 1022, urine storage chamber 103, second channel 1031, first channel 104, exhaust channel 105, urine discharge channel 106, urine discharge channel 1061, first slide 1062, spring 1063, push rod 1064, fixing ring 1065, slide tube 107, water absorbing block 108, lateral slide 109, fixing plate 1091, second expansion block 1092, second slide 1093, second through hole 1094, cover 20, insertion hole 201, air channel 202, first film 203, urine receiving funnel 30, insertion part 301, urine receiving plate 302, first partition 40, second partition 50, first through hole 401, sampling cup 60, second film 601.
An embodiment, as shown in FIG. 1, a urine sampling device for a metabonomic clinical study, includes a urine cup 10, a urine receiving funnel 30, and a sampling cup 60;
the urine cup 10 is a cup body with an opening at the upper end, the upper end of the urine cup 10 is fixedly connected with the cover body 20, in actual production, after the assembly in the urine cup 10 is installed by the cup mouth, the cover body 20 is fixedly connected with the urine cup 10, the cover body 20 is provided with a plug hole 201 for communicating the internal space and the external space of the urine cup 10, and in combination with fig. 2 and 3, the inner wall of the plug hole 201 is provided with a ventilation groove 202 penetrating through the cover body 20 along a bus of the plug hole 201;
the inner cavity of the urine cup 10 is fixedly connected with the urine cup 10 from top to bottom in sequence to the first baffle 40 and the second baffle 50 to isolate the inner cavity of the urine cup 10 into a first cavity 101, a second cavity 102 and a urine storage cavity 103 from top to bottom;
the middle part of the first baffle 40 is provided with a plurality of first through holes 401 for communicating the first chamber 101 with the second chamber 102, the bottom surface of the first baffle 40 is a plane, in order to enable urine to gather towards the middle part of the first baffle 40 and accelerate the urine to enter the second chamber 102, the upper surface of the first baffle 40 is provided with an inverted conical surface, the second chamber 102 is internally provided with a first expansion block 1021 made of absorbent wood pulp fiber sponge and a sealing plate 1022 arranged above the first expansion block 1021, the upper surface of the sealing plate 1022 is a plane, and a gap for containing the urine to flow is reserved between the periphery of the sealing plate 1022 and the inner wall of the urine cup 10;
a first channel 104, an exhaust channel 105 and a leakage urethra 106 are arranged in the side wall of the urine cup 10;
referring to fig. 5, the upper port of the first channel 104 is communicated with the lower space in the first chamber 101, the lower port of the first channel 104 is communicated with the urine storage cavity 103, a transverse slideway 109 communicated with the first channel 104 is horizontally arranged in the side wall of the urine cup 10 corresponding to the urine storage cavity 103, the position of the transverse slideway 109 is lower than the position of the lower end of the exhaust channel 105, one end of the transverse slideway 109 is communicated with the urine storage cavity 103, the other end of the transverse slideway 109 is a blind end positioned between the first channel 104 and the outer wall of the urine cup 10, a fixing plate 1091, a second expansion block 1092 and a second sliding column 1093 which is in sealing sliding connection with the transverse slideway 109 are sequentially arranged in the transverse slideway 109 from the urine storage cavity 103 to the first channel 104, the fixing plate 1091 is fixedly connected with the urine cup 10, the second through hole 1094 penetrating the fixing plate 1091 from the direction of the urine storage cavity 103 to the first channel 104 is arranged on the fixing plate 1091, the second expansion block 1092 is made of absorbent wood pulp sponge, one end of the second expansion block 1092 is adhered to the fixing plate 1091, and the other end of the second expansion block 1092 is not adhered to the second sliding column 1093 when the second expansion block 1092 is not adhered to the second sliding column 1093.
In order to assemble the urine cup 10 conveniently, the bottom of the urine cup 10 can be arranged as a bottom plate which can be detached from the upper part of the urine cup 10, and after the components in the urine cup 10 are installed, the bottom plate is fixedly connected with the upper part of the urine cup 10 in a sealing way to form the complete urine cup 10.
When the urine in the urine storage cavity 103 reaches a certain amount, the volume of the second expansion block 1092 increases to push the second sliding column 1093 to move towards the direction close to the outer wall of the urine cup 10 to abut against the blind end of the transverse slideway 109 when the urine contacts with the second expansion block 1092 through the second through hole 1094, and at this time, the second sliding column 1093 seals the first channel 104 to isolate the urine storage cavity 103 from the first cavity 101.
As shown in fig. 1, an upper port of the exhaust passage 105 for exhaust communicates with an upper space in the first chamber 101, and a lower port of the exhaust passage 105 communicates with an upper space in the urine storage chamber 103;
referring to fig. 1 in combination with fig. 4, the spillway canal 106 is vertically arranged, the upper port of the spillway canal 106 is communicated with the lower space in the first cavity 101, the lower port of the spillway canal 106 penetrates through the bottom of the urine cup 10 and is communicated with the outer space of the urine cup 10, a first slide column 1062 and a spring 1063 are arranged in the spillway canal 106, a spillway bypass 1061 is arranged in the side wall of the urine cup 10, the first slide column 1062 is in sealed sliding connection with the spillway canal 106, the upper end of the spillway bypass 1061 is communicated with the upper space in the spillway canal 106, the lower end of the spillway bypass 1061 is communicated with the lower space in the spillway canal 106, the spillway canal 106 is fixedly connected to a fixed ring 1065 which is an annular body below the first slide column 1062, the upper end of the spring 1063 is fixedly connected with the bottom of the first slide column 1062, and the lower end of the spring 1063 is fixedly connected with the fixed ring 1065, and the upper end of the first slide column 1062 is positioned above the upper port of the spillway bypass 1061 to partition the spillway bypass 1061 from the first cavity 101;
in order to prevent the pollution of urine from the cup bottom of the urine cup 10 when the urine is discharged from the urine discharging tube 106 and the continuous external dripping of the un-drained urine in the urine discharging tube 106 at the lower end of the urine discharging tube 1061 and the first sliding column 1062 after the urine receiving is finished, an external dripping prevention mechanism is arranged on the urine cup 10 and comprises a push rod 1064, a sliding tube 107 and a water absorption block 108, the push rod 1064 is vertically arranged in the urine discharging tube 106, the upper end of the push rod 1064 is fixedly connected with the lower end of the first sliding column 1062, the lower end of the push rod 1064 is fixedly connected with the upper end of the sliding tube 107, the sliding tube 107 is vertically arranged in the urine discharging tube 106 in a sealing sliding manner, the water absorption block 108 is made of a material with water absorption property, preferably mainly comprising sodium polyacrylate, the water absorption block 108 is embedded at the bottom of the urine cup 10 at the lower end of the urine discharging tube 106, a third hole for the sliding tube 107 to pass is arranged on the water absorption block 108, when the upper end surface of the first sliding column 1062 is positioned at the upper end of the urine discharging tube 1061 and is fixedly connected with the lower end of the urine discharging tube 106, the sliding tube 107 extends out of the urine discharging tube 106 and is connected with the lower end of the urine discharging tube 106 in a sealing sliding manner, and the urine discharging tube 106 is connected with the urine discharging tube 106.
As shown in fig. 1 and 6, the urine receiving funnel 30 is funnel-shaped, and includes a plugging portion 301 with a hollow channel and a horn-shaped urine receiving plate 302 at the upper end of the plugging portion 301, and is suitable for receiving urine by a male patient, the end face of the large end of the urine receiving plate 302 is horn-shaped along the circumference, and another preferred scheme of the embodiment is suitable for receiving urine by a female patient, and the end face of the large end of the urine receiving plate 302 is arc-shaped along the circumference corresponding to the lower abdomen of the female patient.
Fig. 1 is combined with fig. 2 and 3, the sampling cup 60 is arranged outside the urine cup 10, the upper end of the sampling cup 60 is opened, the outer wall of the sampling cup 60 is provided with an arc matched with the outer wall of the urine cup 10, the sampling cup 60 is fixedly connected with the urine cup 10 in a sealing way, a second channel 1031 for communicating the inner cavity of the sampling cup 60 with the urine storage cavity 103 is arranged in the urine cup 10, the upper end of the sampling cup 60 is opened, and the upper end of the sampling cup 60 is provided with a second film 601 for sealing the upper end of the sampling cup 60.
Fig. 1 is combined with fig. 2 and 3, in order to facilitate the use of a patient, the insertion hole 201 is an inverted conical hole which is obliquely arranged, the outer wall of the insertion part 301 is an inverted conical surface which is the same as the taper of the insertion hole 201, and when the insertion part 301 of the urine receiving bucket 30 is inserted into the insertion hole 201 to be in close contact with the insertion hole 201, the large end opening of the urine receiving disc 302 is inclined to one side of the urine cup 10 so as to facilitate the urine receiving of the patient.
In order to prevent foreign matter from entering the urine cup 10 through the insertion hole 201 when the urine cup 10 is stored, a first film 203 for closing the insertion hole 201 is arranged on the upper surface of the cover body 20, and the first film 203 can be torn off or the insertion part 301 of the urine receiving bucket 30 can be inserted into the insertion hole 201 after the first film 203 is directly poked by the insertion part 301 of the urine receiving bucket 30 during use.
Compared with the existing urine receiving cup, the urine sampling device for the metabonomics clinical study has at least the following beneficial effects:
1. the urine receiving hopper matched with the urine cup is arranged to facilitate the patient to receive urine, the urine can not be sprinkled on the urine cup and the hand of the patient when the patient urinates, the cover body is arranged on the urine cup, and the urine entering the urine cup can not splash outwards.
2. This embodiment has set up different cavities and passageway and subassembly that have interrelated interact, seals patient's first section urine outside first cavity and the tail section urine discharge urine cup of patient under the circumstances of not breaking patient's urination to with detect the middle section urine storage of patient who needs in depositing the urine chamber, have automatic segmentation effect, improve urine examination analysis's precision, set up the sample cup 60 simultaneously and make things convenient for the inspector to sample middle section urine.
3. The leakage-proof mechanism is arranged in the embodiment, so that pollution to the bottom of the cup and continuous external dripping of the inexhaustible urine in the urine leakage side channel and the urine leakage channel at the lower end of the first sliding column after urine receiving is completed during urine discharge from the urine leakage channel are effectively prevented, and pollution to detection environment is caused.
4. According to the embodiment, the transverse slideway, the fixing plate, the second expansion block and the second sliding column which is in sealing sliding connection with the transverse slideway are arranged, so that other substances in the tail urine of a patient are effectively prevented from entering the middle urine in the urine storage cavity through the first channel, and the detection precision is further improved.
5. The urine receiving disc of the urine receiving hopper can be respectively humanized to be different shapes according to the sex of patients, and the urine receiving disc is convenient for the use of patients with different sexes.
The foregoing is merely exemplary of the present invention, and specific structures and features that are well known in the art are not described in detail herein. It should be noted that modifications and improvements can be made by those skilled in the art without departing from the structure of the present invention, and these should also be considered as the scope of the present invention, which does not affect the effect of the implementation of the present invention and the utility of the patent. The protection scope of the present application shall be subject to the content of the claims, and the description of the specific embodiments and the like in the specification can be used for explaining the content of the claims.
Claims (7)
1. A urine sampling device for clinical study of metabonomics, includes urine cup, sampling cup and connects urine bucket, its characterized in that:
the upper end of the urine cup is fixedly connected with a cover body, a plug hole for communicating the inner space and the outer space of the urine cup is formed in the cover body, and a ventilation groove penetrating through the cover body along a bus of the plug hole is formed in the inner wall of the plug hole;
the inner cavity of the urine cup is sequentially and fixedly connected with a first baffle plate and a second baffle plate from top to bottom to isolate the inner cavity of the urine cup into a first cavity, a second cavity and a urine storage cavity from top to bottom, and the upper surface of the first baffle plate is provided with an inverted conical surface;
the middle part of the first partition plate is provided with a plurality of first through holes for communicating the first chamber with the second chamber, a first expansion block and a sealing plate positioned above the first expansion block are arranged in the second chamber, and a gap is reserved between the periphery of the sealing plate and the inner wall of the urine cup;
a first channel, an exhaust channel and a urinary tract are arranged in the side wall of the urine cup;
the upper end of the first channel is communicated with the lower space in the first cavity, and the lower end of the first channel is communicated with the urine storage cavity;
the upper end of the exhaust channel is communicated with the upper space in the first cavity, and the lower end of the exhaust channel is communicated with the upper space in the urine storage cavity;
the urine draining pipe is vertically arranged, the upper end of the urine draining pipe is communicated with the lower space in the first cavity, the lower end of the urine draining pipe penetrates through the bottom of the urine cup and is communicated with the outer space of the urine cup, a first sliding column and a spring are arranged in the urine draining pipe, the first sliding column is in sealed sliding connection with the urine draining pipe, a urine draining side channel is arranged in the side wall of the urine cup, the upper port of the urine draining side channel is communicated with the upper space in the urine draining pipe, the lower port of the urine draining side channel is communicated with the lower space in the urine draining pipe, the upper end of the spring is fixedly connected with the bottom of the first sliding column, the lower end of the spring is fixedly connected with the inner wall of the urine draining pipe, and the upper end face of the first sliding column is positioned above the upper port of the urine draining side channel to separate the urine draining side channel from the first cavity;
the urine receiving hopper is funnel-shaped and comprises an inserting part matched with the inserting hole and provided with a hollow channel and a horn-shaped urine receiving disc positioned at the upper end of the inserting part;
the sampling cup is arranged outside the urine cup and is fixedly connected with the urine cup in a sealing way, a second channel which communicates the inner cavity of the sampling cup with the urine storage cavity is arranged in the urine cup, the upper end of the sampling cup is opened, and a second film which seals the upper end of the sampling cup is arranged at the upper end of the sampling cup;
the urine cup corresponds to the side wall of the urine storage cavity and is internally and horizontally provided with a transverse slideway communicated with the first channel, the position height of the transverse slideway is lower than that of the lower end of the exhaust channel, one end of the transverse slideway is communicated with the urine storage cavity, the other end of the transverse slideway is a blind end positioned between the first channel and the outer wall of the urine cup, a fixing plate, a second expansion block and a second sliding column which is in sealing sliding connection with the transverse slideway are sequentially arranged in the transverse slideway from the urine storage cavity to the first channel direction, the fixing plate is fixedly connected with the urine cup, a second through hole which is penetrated by the urine storage cavity to the first channel direction is formed in the fixing plate, one end of the second expansion block is fixedly connected with the fixing plate, the other end of the second expansion block is fixedly connected with the second sliding column, and when the second expansion block does not absorb water to expand, the second sliding column does not block the first channel.
2. A urine sampling device for use in a metabonomic clinical study according to claim 1 wherein: the urine cup is provided with an anti-dripping mechanism, the anti-dripping mechanism comprises a push rod, a sliding pipe and a water absorption block, the push rod and the sliding pipe are vertically arranged in the urine leakage channel, the upper end of the push rod is fixedly connected with the lower end of the first sliding pillar, the lower end of the push rod is fixedly connected with the upper end of the sliding pipe, the sliding pipe is a pipe body, the sliding pipe is in sealed sliding connection with the urine leakage channel, the water absorption block is inlaid at the bottom of the urine cup at the lower end of the urine leakage channel, a third through hole for the sliding pipe to pass is formed in the water absorption block, the lower end of the sliding pipe is positioned in the urine leakage channel when the upper end face of the first sliding pillar is positioned above the upper end of the urine leakage channel, and the lower end of the sliding pipe stretches out of the lower part of the urine cup when the upper end of the urine leakage channel is communicated with the first cavity through the urine leakage channel.
3. A urine sampling device for use in a metabonomic clinical study according to claim 2, wherein: the first expansion block and the second expansion block are both made of absorbent wood pulp fiber sponge.
4. A urine sampling device for use in a metabonomic clinical study according to claim 3, wherein: the water absorption block is made of water absorption resin with sodium polyacrylate as a main component.
5. A urine sampling device for use in a metabonomic clinical study according to claim 4 wherein: the plug hole is an inverted conical hole which is obliquely arranged, and the outer wall of the plug part is arranged to be the same as the taper of the plug hole in an inverted conical manner.
6. A urine sampling device for use in a metabonomic clinical study according to any of claims 1 to 5 wherein: the end face of the large end of the urine receiving disc is in a horn shape along the circumference.
7. A urine sampling device for use in a metabonomic clinical study according to any of claims 1 to 5 wherein: the end face of the large end of the urine receiving disc is in an arc shape corresponding to the lower abdomen of a woman along the circumference.
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