CN113729784A - Urine sampling device for metabonomics clinical research - Google Patents
Urine sampling device for metabonomics clinical research Download PDFInfo
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- CN113729784A CN113729784A CN202111062220.3A CN202111062220A CN113729784A CN 113729784 A CN113729784 A CN 113729784A CN 202111062220 A CN202111062220 A CN 202111062220A CN 113729784 A CN113729784 A CN 113729784A
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Abstract
The invention relates to the technical field of medical sampling instruments, in particular to a urine sampling device for metabonomics clinical research, which comprises a urine cup, a sampling cup and a urine receiving hopper, wherein an inner cavity of the urine cup is sequentially provided with a first cavity, a second cavity and a urine storage cavity 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 seal plate are arranged in the second cavity, a first channel, an exhaust channel and a urine discharge 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 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 clinical research process of the project group for intervening the qi deficiency syndrome of the primary liver cancer by certain injection based on metabonomics, the middle-section urine of a patient in a treatment group and a patient in a control group needs to be sampled and analyzed, in the urine sampling process, because the conventional urine sampling device is a urine cup with an open top, when the patient uses the urine cup to collect the middle-section urine, because a human body, particularly the patient, can not control the instant on/off of the urine basically in the urination process, the urine of the patient is splashed and the urine is splashed on the outer wall of the urine cup when the patient receives the middle-section urine, the outer wall of the urine cup and the hand of the patient are stained with the urine, the urine cup is insanitary, the working environment of detection and analysis workers can be polluted by the urine cup with the urine filled with the urine, the urine sampling amount is generally small, the diameter and the depth of the urine cup are small, and the urine is easy to overflow the urine cup to pollute the outer wall of the urine cup, the urine cup with the top opening is easy to shake when a patient inspects urine so as to splash the urine.
Based on above-mentioned reason, need improve current urine sampling device to solve current urine sampling device and cause the problem that the urine cup pollutes easily when gathering patient middle section urine.
Disclosure of Invention
The invention aims to provide a urine sampling device for metabonomics clinical research, which effectively solves the problem that the urine cup is easily polluted when the middle section urine of a patient is collected by the existing urine sampling device.
In order to achieve the above purpose, the basic scheme of the invention is as follows:
a urine sampling device for metabonomics clinical research comprises a urine cup, a sampling cup and a urine receiving funnel;
the upper end of the urine cup is fixedly connected with a cover body, the cover body is provided with an insertion hole for communicating the inner space and the outer space of the urine cup, and the inner wall of the insertion hole is provided with a vent groove which penetrates through the upper cover along a bus of the insertion hole;
the inner cavity of the urine cup is fixedly connected with the urine cup from top to bottom, and a first partition plate and a second partition plate are sequentially connected with the urine cup 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;
a plurality of first through holes are formed in the middle of the first partition plate to communicate the first cavity with the second cavity, a first expansion block and a sealing plate located above the first expansion block are arranged in the second cavity, 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 urethral catheterizing channel 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 drainage channel is vertically arranged, the upper port of the urine drainage channel is communicated with the lower space in the first cavity, the lower port of the urine drainage channel penetrates through the bottom of the urine cup to be communicated with the outer space of the urine cup, a first sliding column and a spring are arranged in the urine drainage channel, a urine drainage bypass is arranged in the side wall of the urine cup, the first sliding column is in sealed sliding connection with the urine drainage channel, the upper end of the urine drainage bypass is communicated with the upper space in the urine drainage channel, the lower end of the urine drainage bypass is communicated with the lower space in the urine drainage channel, 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 drainage channel, and the upper end face of the first sliding column is located above the upper port of the urine drainage bypass to isolate the urine drainage bypass from the first cavity;
the urine receiving hopper is funnel-shaped and comprises a plug-in part which is matched with the plug-in hole and is provided with a hollow channel and a urine receiving disc which is positioned at the upper end of the plug-in part and is horn-shaped;
the upper end opening of the sampling cup is arranged outside the urine cup, the outer wall of the sampling cup is provided with an arc shape matched with the outer wall of the urine cup, the sampling cup is fixedly connected with the urine cup in a sealing way, a second channel for communicating the inner cavity of the sampling cup with the urine storage cavity is arranged in the urine cup, the upper end opening of the sampling cup is arranged, and a second film for sealing the upper end of the sampling cup is arranged at the upper end of the sampling cup.
The principle and the beneficial effects of the basic scheme of the urine sampling device for metabonomics clinical research are as follows:
insert in the spliced eye with the grafting portion that connects the urine fill, the patient spills urine to the urine dish that connects the urine fill, the urine is inside the lower port inflow first cavity of grafting portion, air in the first cavity is discharged to urine cup outside by the air channel, because the upper surface of first baffle sets up to the down-tapering surface, the upper surface of shrouding in the first cavity is got into at the middle part of first baffle at first through-hole at first to the urine at first, the urine of shrouding upper surface is again by the shrouding in the lower part and the contact of first inflation piece that the clearance between urine cup inner wall flowed into the second cavity of shrouding, the upper surface of shrouding is supported tight first through-hole shutoff when the first inflation piece absorption urine back volume increases upwards promotes the shrouding, at this moment the urine can's continuation get into in the second cavity, the initial section urine that the patient urinated simultaneously is sealed in the second cavity.
The urine continuously enters the first chamber to enable the urine liquid level to rise, the urine flows into the space above the first sliding column in the urine drainage channel, at the moment, the pressure of the urine in the urine drainage channel on the first sliding column is not enough to enable the sliding column to move downwards to enable the upper port of the urine drainage side channel to be communicated with the first chamber, the urine cannot enter the urine drainage 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 exhaust channel, when the urine in the urine storage cavity rises to submerge the lower port of the exhaust channel, the gas in the urine storage cavity cannot be discharged outwards, the urine does not enter the urine storage cavity, and the middle section of urine of a patient is stored in the urine storage cavity.
The urine in the first cavity increases rapidly after the urine does not enter the urine storage cavity any more, so that the pressure of the urine in the first cavity on the first sliding column is increased, the second sliding column moves downwards at the moment, the upper port of the urine discharge bypass is communicated with the urine in the urine discharge passage, and the urine enters the lower end of the urine discharge passage through the urine discharge bypass and is discharged outwards.
After the patient does not urinate any more, the pressure generated by the urine in the first chamber on the second sliding column is reduced, the second sliding column moves upwards under the elastic force of the spring to separate the upper port of the urine leakage bypass from the first chamber, the urine in the first chamber does not flow outwards any more, and the urine collection is finished.
When the tester takes the urine sample, the second film sealing the upper port of the sampling cup is torn off, and then the middle section urine in the urine cavity enters the sampling cup through the second channel, so that the tester can sample and analyze the middle section urine in the sampling cup.
Compared with the prior art, the basic scheme of the invention at least has the following beneficial effects:
1. this basic scheme connects the urine fill to make things convenient for the patient to connect urine through setting up and urine cup complex, and the patient urine can not spill on urine cup and patient hand when urinating, sets up the lid on the urine cup, and the urine that gets into in the urine cup can outwards splash.
2. This basic scheme has set up different cavities and passageways and the subassembly that has the correlation interact each other, seal the first section urine of patient outside first cavity and the tail section urine discharge urine cup with patient under the uninterrupted patient urination condition to the middle section urine storage that will detect the patient that needs has the automatic segmentation effect in depositing the urine chamber, improves the precision of urine examination analysis, has set up the convenient testing personnel of sample cup simultaneously and has taken a sample to middle section urine sample.
Furthermore, in order to improve the detection accuracy, the medical urine detection mainly comprises taking middle section urine as a detection sample, wherein the first section urine and the tail section urine can contain other substances which influence the detection accuracy, in order to prevent other substances in the tail section urine of a patient from entering the urine storage cavity from the urine storage channel, a transverse slideway communicated with the first channel is horizontally arranged in the side wall of the urine cup corresponding to the urine storage cavity, the position height of the transverse slideway is lower than that of the lower end of the exhaust hole, 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 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 penetrates through the fixing plate from the urine storage cavity to the first channel direction is arranged on 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 first channel is not blocked by the second sliding column.
When the urine in the urine storage cavity reaches a certain amount, the volume of the second expansion block is increased to push the second sliding column to move towards the direction close to the outer wall of the urine cup to abut against the blind end of the transverse sliding way when the urine contacts with the second expansion block through the second through hole, at the moment, the first channel is blocked by the second sliding column to separate the urine storage cavity from the first cavity, and other substances in the tail section urine cannot enter the urine storage cavity.
Furthermore, in order to prevent the urine from polluting the bottom of the cup when being discharged from the urine drainage channel and prevent the urine which does not flow out from the urine drainage bypass and the urine drainage channel at the lower end of the first sliding column from continuously dripping out after the urine is collected, so as to cause the pollution of the detection environment, an anti-dripping mechanism is arranged on the urine cup, 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 drainage channel, the upper end of the push rod is fixedly connected with the lower end of the first sliding column, 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 hermetically and slidably connected with the urine drainage channel, the water absorption block is embedded at the bottom of the urine cup at the lower end of the urine drainage channel, a third through hole for the sliding pipe to pass through is arranged on the water absorption block, when the upper end face of the first sliding column is positioned above the upper end port of the urine drainage bypass, the lower end of the sliding pipe is positioned in the urine drainage channel, when the first sliding column moves downwards to cause the upper port of the urine leakage bypass to be communicated with the first cavity through the urethra, the lower end of the sliding tube extends out of the lower portion of the bottom of the urine cup.
When more urine in the first chamber forces the first sliding column to move downwards to overcome the elasticity of the first spring so as to enable the upper end port of the urine drainage side channel to be communicated with the urine drainage channel, the urine in the first chamber flows downwards through the urine drainage side channel and the sliding pipe at the lower end of the urine drainage channel through the upper end of the urine drainage channel, at the moment, the push rod moves downwards along with the first sliding column to push the sliding pipe to move downwards so as to enable the lower end of the sliding pipe to extend out of the bottom of the urine cup, so that the water absorption block is separated from the urine drainage channel by the pipe wall of the sliding pipe, the urine flowing out from the lower end of the sliding pipe cannot contact the water absorption block, the water absorption block cannot absorb the urine, when less urine in the first chamber is received, the spring forces the first sliding column to move upwards so that the upper end face of the first sliding column is positioned above the upper end port of the urine drainage side channel to isolate the urine drainage side channel from the first chamber, the remaining urine in the first chamber cannot continue through the urine drainage channel, the outflow and the push rod fixedly connected with the first sliding column drives the sliding pipe to move upwards so as to enable the lower end of the sliding pipe to be positioned in the urine drainage channel, when urine which does not flow out flows down along the inner wall of the sliding pipe and then flows down to the lower port of the urine drainage channel through the inner wall of the urine drainage channel, the urine is contacted with the water absorption block and is absorbed by the water absorption block to prevent the urine from dropping out of the urine drainage channel.
Further, the wood pulp fiber sponge that absorbs water has the characteristic of the volume rapid expansion after washing water, first inflation piece with the second inflation piece is made by the wood pulp fiber sponge that absorbs water.
Further, since the water-absorbent resin whose main component is sodium polyacrylate has strong water absorbency, the water-absorbent block is made of the water-absorbent resin whose main component is sodium polyacrylate.
Further, for the convenience of patient's use, the plug-in connection hole is the back taper hole that the slope set up, the outer wall of grafting portion set up to with the same back taper of the tapering of plug-in connection hole, when will the plug-in connection portion that connects the urine fill inserts when plug-in connection hole and plug-in connection hole in close contact with, the opening that connects the urine dish inclines to one side of urine cup in order to make things convenient for the patient to connect the urine.
Furthermore, in order to be suitable for the male patient to receive urine, the end face of the large end of the urine receiving disc is flush with the periphery and is horn-shaped.
Further, in order to be suitable for the female patient to use for receiving urine, the end surface of the large end of the urine receiving disc 302 is in an arc shape corresponding to the lower abdomen of the female along the circumference.
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 urine receiving funnel.
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 structural view of another urine receiving funnel according to the embodiment of the present invention.
Detailed Description
The following is further detailed by way of specific embodiments:
reference numerals in the drawings of the specification include: the urine cup 10, the first chamber 101, the second chamber 102, the first expansion block 1021, the sealing plate 1022, the urine storage chamber 103, the second passage 1031, the first passage 104, the exhaust passage 105, the urine drainage passage 106, the urine drainage bypass 1061, the first sliding column 1062, the spring 1063, the push rod 1064, the fixing ring 1065, the sliding tube 107, the water absorption block 108, the transverse sliding way 109, the fixing plate 1091, the second expansion block 1092, the second sliding column 1093, the second through hole 1094, the cover 20, the insertion hole 201, the vent groove 202, the first film 203, the urine receiving funnel 30, the insertion part 301, the urine receiving tray 302, the first partition plate 40, the second partition plate 50, the first through hole 501, the sampling cup 60 and the second film 601.
Example, as shown in fig. 1, a urine sampling device for metabonomics clinical research comprises 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, the cover body 20 and the urine cup 10 are fixedly connected after the assembly in the urine cup 10 is mounted by the cup mouth in the actual production, the cover body 20 is provided with an insertion hole 201 for communicating the inner space and the outer space of the urine cup 10, and the inner wall of the insertion hole 201 is provided with a vent groove 202 which penetrates through the upper cover along the bus of the insertion hole 201 in combination with the drawings of fig. 2 and 3;
the inner cavity of the urine cup 10 is fixedly connected with the urine cup 10 by a first partition plate 40 and a second partition plate 50 from top to bottom in sequence, so that the inner cavity of the urine cup 10 is isolated into a first chamber 101, a second chamber 102 and a urine storage chamber 103 from top to bottom;
the middle part of the first clapboard 40 is provided with a plurality of first through holes 501 for communicating the first cavity 101 with the second cavity 102, the bottom surface of the first clapboard 40 is a plane, in order to gather urine to the middle part of the first clapboard 40 and accelerate the urine to enter the second cavity 102, the upper surface of the first clapboard 40 is arranged to be an inverted cone-shaped surface, a first expansion block 1021 made of absorbent wood pulp fiber sponge and a closing plate 1022 positioned above the first expansion block 1021 are arranged in the second cavity 102, the upper surface of the closing plate 1022 is a plane, and a gap for allowing the urine to flow is reserved between the periphery of the closing plate 1022 and the inner wall of the urine cup 10;
a first channel 104, an exhaust channel 105 and a urine discharge channel 106 are arranged in the side wall of the urine cup 10;
as shown in fig. 5, an upper port of the first passage 104 communicates with a lower space in the first chamber 101, a lower port of the first passage 104 communicates with the urine storage chamber 103, a transverse slide 109 communicating with the first passage 104 is horizontally disposed in a side wall of the urine cup 10 corresponding to the urine storage chamber 103, a height of the transverse slide 109 is lower than a height of a lower end of the exhaust hole, one end of the transverse slide 109 communicates with the urine storage chamber 103, the other end of the transverse slide 109 is a blind end between the first passage 104 and an outer wall of the urine cup 10, a fixing plate 1091, a second expansion block 1092 and a second sliding column 1093 hermetically and slidably connected with the transverse slide 109 are sequentially disposed in the transverse slide 109 from the urine storage chamber 103 to the first passage 104, the fixing plate 1091 is fixedly connected with the urine cup 10, a second through hole 1094 penetrating the fixing plate 1091 from the urine storage chamber 103 to the first passage 104 is disposed on the fixing plate 1091, and the second expansion block 1092 is made of absorbent wood pulp fibers, one end of the second expansion block 1092 is bonded to the fixing plate 1091, the other end of the second expansion block 1092 is bonded to the second traveler 1093, and when the second expansion block 1092 is not expanded by absorbing water, the first passage 104 is not blocked by the second traveler 1093.
In order to facilitate the assembly of the urine cup 10, the bottom of the urine cup 10 may be a bottom plate detachable from the upper portion of the urine cup 10, and after the assembly in the urine cup 10 is completed, the bottom plate is fixedly connected with the upper portion of the urine cup 10 in a sealing manner 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 is increased when the urine contacts the second expansion block 1092 through the second through hole 1094, so that the second sliding column 1093 is pushed to move towards the direction close to the outer wall of the urine cup 10 and abut against the blind end of the transverse slide way 109, and at this time, the second sliding column 1093 blocks the first passage 104 to block the urine storage cavity 103 and the first chamber 101.
As shown in fig. 1, an upper port of the exhaust passage 105 for exhausting air 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 conjunction with fig. 4, the urine drainage channel 106 is vertically arranged, an upper port of the urine drainage channel 106 is communicated with a lower space in the first chamber 101, a lower port of the urine drainage channel 106 penetrates through the bottom of the urine cup 10 to be communicated with an outer space of the urine cup 10, a first spool 1062 and a spring 1063 are arranged in the urine drainage channel 106, a urine drainage bypass 1061 is arranged in a side wall of the urine cup 10, the first spool 1062 is connected with the urine drainage channel 106 in a sealing and sliding manner, an upper end of the urine drainage bypass 1061 is communicated with an upper space in the urine drainage channel 106, a lower end of the urine drainage bypass 1061 is communicated with a lower space in the urine drainage channel 106, the urine drainage channel 106 is positioned below the first spool 1062 and fixedly connected with a fixing ring 1065 in the form of an annular body, an upper end of the spring 1063 is fixedly connected with the bottom of the first spool 1062, a lower end of the spring 1063 is fixedly connected with the fixing ring 1065, and an upper end surface of the first spool 1062 is positioned above the upper port of the urine drainage bypass 1061 to separate the first chamber 1061 from the first chamber 106101;
in order to prevent the urine from polluting the bottom of the urine cup 10 when the urine is discharged from the urine drainage channel 106 and the urine that has not completely drained in the urine drainage channel 1061 and the urine drainage channel 106 at the lower end of the first sliding column 1062 after the urine is collected, and thus causing the pollution of the detection environment, an anti-dripping mechanism is arranged on the urine cup 10, the anti-dripping mechanism 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 drainage channel 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 drainage channel 106, the sliding tube 107 is connected with the urine drainage channel 106 in a sealing and sliding manner, the water absorption block 108 is made of a material with water absorption, preferably a water absorption resin with sodium polyacrylate as a main component, the water absorption block 108 is embedded at the bottom of the urine cup 10 at the lower end of the urine drainage channel 106, and a third through hole for the sliding tube 107 to pass is arranged on the water absorption block 108, when the upper end surface of the first spool 1062 is located above the upper port of the urine drainage bypass 1061, the lower end of the sliding tube 107 is located in the urine drainage channel 106, and when the upper port of the urine drainage bypass 1061 is communicated with the first chamber 101 via the urine drainage channel 106 due to the downward movement of the first spool 1062, the lower end of the sliding tube 107 extends below the bottom of the urine cup 10.
As shown in fig. 1 and 6, the urine receiving funnel 30 is funnel-shaped and includes a plug-in portion 301 having a hollow channel and matching with the plug-in hole 201 and a urine receiving disc 302 having a trumpet shape and located at the upper end of the plug-in portion 301, in order to be suitable for male patients to receive urine, the end surface of the large end of the urine receiving disc 302 is set to be flush with the periphery and horn-shaped, and in another preferred embodiment of the present embodiment, in order to be suitable for female patients to receive urine, the end surface of the large end of the urine receiving disc 302 is set to be arc-shaped corresponding to the lower abdomen of women along the periphery.
Referring to fig. 1 in conjunction with fig. 2 and 3, a sampling cup 60 is disposed outside a urine cup 10, the upper end of the sampling cup 60 is open, the outer wall of the sampling cup 60 is provided with an arc shape matching with the outer wall of the urine cup 10, the sampling cup 60 is fixedly connected with the urine cup 10 in a sealing manner, a second channel 1031 for communicating the inner cavity of the sampling cup 60 with a urine storage cavity 103 is disposed in the urine cup 10, the upper end of the sampling cup 60 is open, 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 combines fig. 2, fig. 3, for the convenience of patient's use, the back taper hole that sets up plug hole 201 for the slope, the outer wall of grafting portion 301 sets up to the same back taper face with the tapering of plug hole 201, when inserting plug portion 301 that will connect urine fill 30 into plug hole 201 and plug hole 201 in close contact with, the main aspects opening of urine receiving dish 302 inclines to urine cup 10 one side to make things convenient for the patient to receive urine.
In order to prevent foreign matters from entering the urine cup 10 from the insertion hole 201 when the urine cup 10 is stored, the first film 203 for closing the insertion hole 201 is arranged on the upper surface of the cover body 20, and the insertion part 301 of the urine receiving funnel 30 is inserted into the insertion hole 201 after the first film 203 is torn off or the first film 203 is directly punctured by the insertion part 301 of the urine receiving funnel 30 when the urine cup is used.
Compared with the existing urine receiving cup, the urine sampling device for metabonomics clinical research of the embodiment has at least the following beneficial effects:
1. this embodiment connects the urine fill to make things convenient for the patient to connect urine through setting up and urine cup complex, and the patient urine can not spill on urine cup and patient hand when urinating, sets up the lid on the urine cup, and the urine that gets into in the urine cup can outwards splash.
2. This embodiment has set up different cavities and passageways and the subassembly that has the correlation interact each other, seal patient's first section urine outside first cavity and the urine cup of discharging patient's tail section urine under the condition of not interrupting the patient and urinate to detect the middle section urine storage of the patient that needs in depositing the urine chamber, have automatic segmentation effect, improve the precision of urine examination analysis, set up sample cup 60 simultaneously and made things convenient for the testing personnel to sample middle section urine.
3. This embodiment has set up leak protection and has dripped the mechanism, prevents effectively that the urine from polluting the bottom of the cup when discharging by the urethra and connect to have in the urine that does not drain up in urine bypass and the urethra of first traveller lower extreme after the urine is accomplished to continue to drip outward, causes the pollution of detection ring border.
4. This embodiment is through setting up horizontal slide, fixed plate, the sealed sliding connection's of second inflation piece and with horizontal slide second traveller, effectively prevents other materials in patient's the tail section urine from by first passageway entering the middle section urine in depositing the urine chamber, further improved the detection precision.
5. The urine receiving disc of the urine receiving funnel can be set into different shapes according to the sex of the patient in a humanized mode, and the urine receiving disc is convenient for the patients with different sexes to use.
The above are merely examples of the present invention, and common general knowledge of known specific structures and characteristics in the schemes is not described herein. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.
Claims (8)
1. The utility model provides a urine sampling device for clinical research of metabonomics, includes urine cup, sample cup and connects urine fill, its characterized in that:
the upper end of the urine cup is fixedly connected with a cover body, the cover body is provided with an insertion hole for communicating the inner space and the outer space of the urine cup, and the inner wall of the insertion hole is provided with a vent groove which penetrates through the upper cover along a bus of the insertion hole;
the inner cavity of the urine cup is fixedly connected with the urine cup from top to bottom through a first partition plate and a second partition plate, the inner cavity of the urine cup is isolated into a first cavity, a second cavity and a urine storage cavity from top to bottom, and the upper surface of the first partition plate is a reverse conical surface;
a plurality of first through holes are formed in the middle of the first plate to communicate the first cavity with the second cavity, a first expansion block and a sealing plate located above the first expansion block are arranged in the second cavity, 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 urethral catheterizing channel 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 drainage channel is vertically arranged, the upper end of the urine drainage channel is communicated with the lower space in the first cavity, the lower end of the urine drainage channel penetrates through the bottom of the urine cup to be communicated with the outer space of the urine cup, a first sliding column and a spring are arranged in the urine drainage channel, the first sliding column is in sealing sliding connection with the urine drainage channel, a urine drainage side channel is arranged in the side wall of the urine cup, the upper end port of the urine drainage side channel is communicated with the upper space in the urine drainage channel, the lower end port of the urine drainage side channel is communicated with the lower space in the urine drainage channel, 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 drainage channel, and the upper end face of the first sliding column is located above the upper end port of the urine drainage side channel to isolate the urine drainage side channel from the first cavity;
the urine receiving hopper is funnel-shaped and comprises a plug-in part which is matched with the plug-in hole and is provided with a hollow channel and a urine receiving disc which is positioned at the upper end of the plug-in part and is horn-shaped;
the sampling cup is arranged outside the urine cup and fixedly connected with the urine cup in a sealing manner, a second channel for communicating 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 for sealing the upper end of the sampling cup is arranged at the upper end of the sampling cup.
2. The urine sampling device for metabonomics clinical studies of claim 1, wherein: a transverse slideway communicated with the first channel is horizontally arranged in the side wall of the urine cup corresponding to the urine storage cavity, the position height of the transverse slideway is lower than that of the lower end of the exhaust hole, 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 fixed 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, the fixing plate is fixedly connected with the urine cup, a second through hole which penetrates through the fixing plate from the urine storage cavity to the first channel direction is arranged on 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, when the second expansion block does not absorb water to expand, the first channel is not blocked by the second sliding column.
3. The urine sampling device for metabonomics clinical studies according to claim 2, wherein: the urine cup is provided with an anti-external-dropping mechanism which comprises a push rod, a sliding tube and a water absorption block, the push rod and the sliding tube are vertically arranged in the urethral leakage, the upper end of the push rod is fixedly connected with the lower end of the first sliding column, the lower end of the push rod is fixedly connected with the upper end of the sliding tube, the sliding tube is a tube body, the sliding tube is connected with the urine discharge channel in a sealing and sliding manner, the water absorption block is embedded at the bottom of the urine cup at the lower end of the urine discharge channel, a third through hole for the sliding tube to pass through is arranged on the water absorption block, when the upper end surface of the first sliding column is positioned above the upper port of the urine drainage bypass, the lower end of the sliding tube is positioned in the urine drainage channel, when the first sliding column moves downwards to cause the upper port of the urine drainage bypass to be communicated with the first cavity through the urine drainage channel, the lower end of the sliding tube extends out of the lower portion of the bottom of the urine cup.
4. A urine sampling device for metabonomics clinical studies according to claim 3, wherein: the first expansion block and the second expansion block are both made of absorbent wood pulp fiber sponge.
5. The urine sampling device for metabonomics clinical studies according to claim 4, wherein: the water absorption block is made of water absorption resin with sodium polyacrylate as a main component.
6. The urine sampling device for metabonomics clinical studies according to claim 5, wherein: the plug hole is the back taper hole that the slope set up, the outer wall of grafting portion set up to with the same back taper of the tapering of plug hole.
7. A urine sampling device for use in metabolomics clinical studies according to any one of claims 1-6, wherein: the end face of the large end of the urine receiving disc is flush along the periphery and is horn-shaped.
8. A urine sampling device for use in metabolomics clinical studies according to any one of claims 1-6, wherein: the end surface of the large end of the urine receiving disc is arc-shaped along the circumference corresponding to the lower abdomen of the lady.
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