CN215839200U - Accurate liquid device of getting of middle section urine - Google Patents

Abstract

The utility model discloses a device for accurately taking mid-stream urine, which comprises a cup body, wherein the cup body comprises a first urine collecting cavity and a second urine collecting cavity which are not communicated with each other; the first urine collecting cavity and the second urine collecting cavity are both provided with openings, and the opening of the first urine collecting cavity is used for being opposite to the urethral orifice of a user when the user begins to discharge urine so as to collect the forepart urine of the user; the opening of the second urine collecting cavity is used for being opposite to the urethral orifice of the user after the space in the first urine collecting cavity is filled with urine so as to collect midstream urine of the user. The application provides a liquid device is got to midstream urine accuracy, the structure is succinct clear, the simple operation, but and integrated into one piece processing, the cost is controllable, especially has health, easy operation's characteristics, is fit for the patient of different crowd types and uses. Can avoid both hands direct contact urine, can instruct the user to begin to sample the midstream urine when to can accurate ration sample the midstream urine.

Description

Accurate liquid device of getting of middle section urine

Technical Field

The utility model relates to the technical field of medical instruments, in particular to a midstream urine accurate liquid taking device which is convenient to operate, can avoid direct contact of both hands with urine and can accurately and quantitatively take a sample.

Background

The routine urine examination is a simple and accurate screening examination for diagnosing the urinary system diseases, can provide clues of the urinary system diseases and is helpful for early diagnosis. For example, the urine routine can reflect the pH value, specific gravity, etc. of urine, such as red blood cells, white blood cells, casts, etc., and further prompt the patient to perform laboratory examination, tracking and follow-up about other urinary system diseases, so as to avoid delaying the disease condition. Analysis of the change of urine components provides a basis for diagnosing kidney diseases and functional states and some metabolic diseases (such as diabetes and the like). Therefore, the accuracy of the urine routine test results is very important for clinical medical diagnosis.

To prevent urine contamination, midstream urine is generally used clinically for urine culture. Midstream urine refers to that in clinical urine culture, when urine is collected, the initial urine is used for flushing the urethra, and then the middle urine is intercepted to be used as a sample for culture. In practical applications, the definition of the anterior segment urine of the patient to be examined is unclear and the anterior segment urine volume is not accurately grasped, which tends to adversely affect the result of the urine examination.

Meanwhile, in the prior art, the medical urine device is generally a flat-bottom short cylindrical cup, and when urine is collected and injected into a test tube, a user needs to discharge partial front-section urine into the toilet stool by himself or herself, and then aims the urethral orifice at the sampling device to sample the middle-section urine. When the device is used for sampling, the problem of low operation precision can be caused, and the problems of insanitation and the like can also occur because urine overflows from the cup mouth easily and is stained on hands.

In addition, because the application range of the urine test is wide, almost all people have the requirement of the urine test, and the comprehension and the operation capability of different people are different, the complexity of the operation of the urine test sampling device can also influence the urine test result.

SUMMERY OF THE UTILITY MODEL

The utility model provides a device for accurately taking mid-stream urine. Integrates the functional structures needed by each step in the process of taking urine sample, and adds a urine sample release nozzle which is convenient for transferring urine into a test tube. The whole appearance is mainly the function service, has design aesthetic feeling concurrently.

The utility model provides the following scheme:

a device for accurately taking mid-stream urine comprises a cup body, wherein the cup body comprises a first urine collecting cavity and a second urine collecting cavity which are not communicated with each other;

the first urine collecting cavity and the second urine collecting cavity are both provided with openings, and the opening of the first urine collecting cavity is used for being opposite to the urethral orifice of a user when the user begins to discharge urine so as to collect the forepart urine of the user; the opening of the second urine collecting cavity is used for being opposite to the urethral orifice of the user after the space in the first urine collecting cavity is filled with urine so as to collect midstream urine of the user.

Preferably: the volume of the first urine collecting cavity is 3-5 times of the urine volume of male urethra or 5-7 times of the urine volume of female urethra.

Preferably: the second urine collecting cavity is divided by a first partition board which is longitudinally arranged to form a middle section urine sample releasing cavity, and the capacity of the middle section urine sample releasing cavity is not more than that of the detection test tube.

Preferably: a middle section urine sample release pipe is formed at the bottom of the middle section urine sample release cavity; one end of the middle section urine sample release pipe, which is far away from the middle section urine sample release cavity, is sealed; the middle section urine sample release pipe is formed with a ring-shaped structure which is pre-annularly cut and easy to break; the pre-ring cut breakable ring structure is used for breaking the middle section urine sample release tube under the action of external force, so that the middle section urine sample release tube forms an open release port to make the urine in the middle section urine sample release cavity flow into the test tube.

Preferably: the middle section urine sample release pipe comprises a funnel-shaped limiting protrusion part extending downwards and a straight pipe part, and the pre-annularly cut breakable annular structure is formed on the straight pipe part; the maximum diameter of the funnel-shaped limiting protrusion part is larger than the inner diameter of the detection test tube.

Preferably: the first partition plates are two, and two first partition plates are used for dividing the second urine collecting cavity to form the middle section urine sample releasing cavity and two middle section urine taking liquid branch cavities positioned at two sides of the middle section urine sample releasing cavity.

Preferably: the cup comprises a cup body and a cup cover, wherein one side of the cup cover is connected with one side of the cup body, so that the cup cover and the cup body form a structure which can be folded up and down to be opened and closed; a buckle plug is formed on one side of the cup cover in a free state, and a buckle socket is formed on the cup body at the position, opposite to the position, of the cup cover after being covered with the cup body; the buckle plug is used for limiting the cup cover after being matched and connected with the buckle socket.

Preferably: the cup body is divided by a second partition plate to form the first urine collecting cavity and the second urine collecting cavity; the cross section of the second partition plate is provided with an arrow-shaped structure pointing from the second urine collecting cavity to the first urine collecting cavity; an arrow-shaped mark which is the same as and opposite to the arrow-shaped structure in shape is formed on the cup cover.

Preferably: and first digital sequence marks and second digital sequence marks which are arranged in a one-to-one correspondence manner with the first urine collecting cavity and the second urine collecting cavity are respectively formed on two sides of the arrow-shaped mark on the cup cover.

Preferably: a handle is formed on one side, away from the second urine collecting cavity, of the first urine collecting cavity, and a concave triangular connecting groove is formed between the handle and the first urine collecting cavity; the handle is formed with a plurality of reinforcing ribs in conformity with the cross-sectional shape of the triangular connecting groove.

According to the specific embodiment provided by the utility model, the utility model discloses the following technical effects:

by the utility model, the device for accurately taking the midstream urine can be realized, and in one realization mode, the device can comprise a cup body, wherein the cup body comprises a first urine collecting cavity and a second urine collecting cavity which are not communicated with each other; the first urine collecting cavity and the second urine collecting cavity are both provided with openings, and the opening of the first urine collecting cavity is used for being opposite to the urethral orifice of a user when the user begins to discharge urine so as to collect the forepart urine of the user; the opening of the second urine collecting cavity is used for being opposite to the urethral orifice of the user after the space in the first urine collecting cavity is filled with urine so as to collect midstream urine of the user. The application provides a liquid device is got to midstream urine accuracy, the structure is succinct clear, the simple operation, but and integrated into one piece processing, the cost is controllable, especially has health, easy operation's characteristics, is fit for the patient of different crowd types and uses. Can avoid both hands direct contact urine, can instruct the user to begin to sample the midstream urine to can accurate ration sample the midstream urine. Is worthy of large-area popularization and application.

Of course, it is not necessary for any product in which the utility model is practiced to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

FIG. 1 is a schematic structural diagram of a device for accurately taking mid-stream urine according to an embodiment of the present invention;

FIG. 2 is a front view of a mid-stream urine precision dispensing device according to an embodiment of the present invention in an open state;

FIG. 3 is a front view of a mid-stream urine precision fluid extraction device in a closed state according to an embodiment of the present invention;

FIG. 4 is a top view of a mid-stream urine collection device according to an embodiment of the present invention shown in an open position;

FIG. 5 is a top view of a mid-stream urine precision fluid removal device according to an embodiment of the present invention in a closed position;

FIG. 6 is a schematic view of a urine collection hand-held device for a midstream urine precision drainage device according to an embodiment of the present invention;

FIG. 7 is a schematic view of an anterior segment urine collection provided by an embodiment of the present invention;

FIG. 8 is a schematic illustration of midstream urine collection provided by an embodiment of the present invention;

FIG. 9 is a schematic view of the lid cover according to the embodiment of the present invention;

FIG. 10 is a schematic view of a first step of transferring urine to a test tube according to an embodiment of the present invention;

FIG. 11 is a schematic diagram of a second step of transferring urine to a test tube according to an embodiment of the present invention;

FIG. 12 is a schematic view of a third step of transferring urine to a test tube according to an embodiment of the present invention;

FIG. 13 is an enlarged partial schematic view of a first step in transferring urine to a test tube according to an embodiment of the present invention;

FIG. 14 is another enlarged partial schematic view of a first step in transferring urine to a test tube according to an embodiment of the present invention;

FIG. 15 is an enlarged partial schematic view of a second step of transferring urine to a test tube according to an embodiment of the present invention;

FIG. 16 is an enlarged partial view of a third step of transferring urine to a test tube according to an embodiment of the present invention.

In the figure: the urine collecting cup comprises a cup body 1, a first urine collecting cavity 11, a second urine collecting cavity 12, a middle urine sample releasing cavity 121, a middle urine taking liquid sub-cavity 122, a first partition plate 13, a breakable annular structure 141, a funnel-shaped limiting protrusion 142, a straight pipe 143, a buckle socket 15, a second partition plate 16, a handle 17, a triangular connecting groove 18, a reinforcing rib 19, a cup cover 2, a buckle plug 21, an arrow-shaped mark 22, a first digital sequence mark 23, a second digital sequence mark 24 and a detection test tube 3.

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 that can be derived by one of ordinary skill in the art from the embodiments given herein are intended to be within the scope of the present invention.

Examples

Referring to fig. 1, 2, 3, 4 and 5, a device for accurately taking mid-stream urine according to an embodiment of the present invention, as shown in fig. 1, 2, 3, 4 and 5, may include a cup body 1, wherein the cup body 1 includes a first urine collecting cavity 11 and a second urine collecting cavity 12 which are not communicated with each other;

wherein the first urine collecting cavity 11 and the second urine collecting cavity 12 are both formed with openings, and the opening of the first urine collecting cavity 11 is used for being opposite to the urethral orifice of the user when the user begins to discharge urine so as to collect the fore-stream urine of the user; the opening of the second urine collecting chamber 12 is used to face the urethral opening of the user after the space inside the first urine collecting chamber 11 is filled with urine so as to collect midstream urine of the user.

The accurate liquid device of getting of midstream urine that this application embodiment provided separates the cup and forms first collection urine chamber 11 and second collection urine chamber 12, and first collection urine chamber 11 wherein is used for collecting the user and urinates the anterior segment urine of discharging when beginning, collects when first collection urine chamber 11 and fills the back, can indicate user's anterior segment urine to have already discharged and can remove the cup, makes urethral orifice and second collection urine chamber 12 carry out the collection of midstream urine relatively and be used for detecting the use.

Since the fore-stream urine is easily contaminated by bacteria, inflammation, and stains at the end of the urethra, the urethral orifice, and the like, it is not suitable for medical examination, and is likely to cause adverse effects on medical examination. It can be seen that there is a risk of contamination if the fore-stream urine is discharged too little and the mid-stream urine is collected for testing. Adopt the device that this application provided can assist the user to accurately gather the middle section urine of capacity anterior segment urine and capacity, guaranteed that the washing of capacity anterior segment urine to the urethra has reduced the contaminated risk of middle section urine of sample.

In order to ensure that the front urine collected by the first urine collecting cavity meets the requirement of urethra flushing, the capacity of the first urine collecting cavity needs to be well controlled. The volume of the first urine collecting cavity can be determined in various ways, for example, in one implementation, the embodiment of the present application can provide that the volume of the first urine collecting cavity 11 is 3-5 times of the urine volume of male urethra or 5-7 times of the urine volume of female urethra. In practical application, the volume of the first urine collecting cavity can be 35 ml, wherein 35 ml is about 4 times of the urine volume of male urethra and 6 times of the urine volume of female urethra, the urine volume of the fore-section urine of each group is fully met, and bacteria, inflammation and stains in the urethra are removed as far as possible by utilizing the fore-section urine, so that a more accurate test result is achieved.

When the collected midstream urine is detected, a detection test tube is generally adopted as a carrier of the urine for culture analysis. Therefore, the midstream urine collected by the device provided by the application finally needs to be transferred to a test tube to complete the medical detection of the urine. The volume of the urine test tube is about 8-10 ml, and the volume of the second urine collecting cavity provided by the embodiment of the application is about 25 ml to ensure a certain collecting amount of midstream urine. In order to prevent the problem that the excessive urine inside the test tube pollutes the hands of the user during the process of transferring the midstream urine in the second urine collection chamber to the test tube, the embodiment of the present application may provide that the second urine collection chamber 12 is partitioned by the longitudinally arranged first partition 13 to form a midstream urine sample release chamber 121, and the capacity of the midstream urine sample release chamber is not larger than the capacity of the test tube. In the process of using, the medical staff only need to transfer the urine in the middle section urine sample release cavity into the detection test tube, thus not only meeting the demand of detecting urine volume, but also avoiding the overflow of urine at the test tube opening.

In order to further reduce the possibility of hand contamination when the device transfers urine into the test tube, the embodiment of the present invention may further provide that the bottom of the middle urine sample release chamber 121 is formed with a middle urine sample release tube; one end of the middle section urine sample release pipe, which is far away from the middle section urine sample release cavity, is sealed; the middle section urine sample release tube is formed with a pre-ring-cut breakable ring structure 141; the pre-cut breakable ring 141 is used to break the middle urine sample release tube under an external force so that the middle urine sample release tube forms an open release opening to allow the urine in the middle urine sample release chamber 121 to flow into the test tube 3.

The device provided by the embodiment of the application adopts the mode of discharging urine into the test tube at the bottom of the middle section urine sample release cavity, and the middle section urine sample release tube is in an unbroken state, so that a complete closed structure is formed at the bottom of the second urine collection cavity, and the urine is prevented from leaking. After breaking, urine can be discharged from the lower part.

In order to further improve the performance of preventing hands from being polluted, the embodiment of the present application can further provide that the middle section urine sample release tube comprises a funnel-shaped limiting protrusion 142 extending downwards and a straight tube part 143, and the pre-ring-cut breakable ring-shaped structure 141 is formed on the straight tube part 143; the maximum diameter of the funnel-shaped limiting protrusion 142 is larger than the inner diameter of the detection tube 3. The bottom of the middle section urine sample release cavity is provided with a funnel-shaped limiting protrusion part which is connected with a breakable straight pipe part, the maximum diameter of the funnel-shaped cone is 10 mm, and a urine sample taking test tube can be inserted to limit the test tube. The straight tube portion can be easily broken off by the test tube, and then the urine in the middle urine sample release chamber will flow into the test tube completely.

Further, the first partition 13 comprises two, two first partitions 13 are used to divide the second urine collecting chamber to form the middle urine sample releasing chamber 121 and two middle urine collecting sub-chambers 122 located at two sides of the middle urine sample releasing chamber. The second urine collecting cavity is divided into 3 small cavities, wherein the volume of one middle section urine taking liquid sub-cavity is 9 ml, the volume of the middle section urine specimen releasing cavity is 9 ml, and the volume of the other middle section urine taking liquid sub-cavity is 7 ml. Wherein the middle section urine sample release chamber that is located the centre is used for with the test tube butt joint, can transfer 9 milliliters middle section urine to the inspection test tube in the ration, and two middle section urine are got the urine that the liquid divides the intracavity and are kept motionless, need not naked eye eyeballing-up, control the urine volume of pouring into the test tube.

When the device is used, as shown in fig. 6, a user holds the cup body by hand, collects fore-stream urine in the first urine collection cavity 11, collects mid-stream urine in the second urine collection cavity 12 after the first urine collection cavity 11 is full, and therefore the influence of the fore-stream urine on the urine test result can be avoided. After the urine collection is completed, as shown in fig. 10, 13 and 14, the medical staff aligns the test tube opening with the funnel-shaped limiting protrusion 142 by placing the test tube under the funnel-shaped limiting protrusion 142, and pushes the test tube opening to the protruding portion and then breaks the test tube as shown in fig. 11 and 15, because the straight tube portion 143 is provided with the ring-shaped structure 141 which is cut in advance, the ring-shaped structure 141 which is cut in advance will break after breaking the test tube, as shown in fig. 12 and 16, and then middle section urine is released into the test tube through the formed release tube opening, the ordinary urine cup needs the operator to hold the urine cup to pour the urine into the test tube, which is very inconvenient, the funnel-shaped limiting protrusion is provided to clamp the test tube opening, so as to prevent the urine from leaking due to shaking, the release tube opening can make the urine more convenient to directly reach the collection test tube from the urine cup, and the phenomenon that the outside of the test tube and the hand of the operator are polluted by overflow when the urine is poured does not occur, the ring-shaped structure which is cut in a ring-shaped manner in advance and is easy to break is used for achieving further convenient liquid taking, and the tube opening can be opened by only sleeving the test tube at the corresponding position and breaking the test tube.

In order to cover the cup body after the user collects the urine sample, the urine can be prevented from spilling, and the odor release of the urine can be reduced. The cup cover 2 can be further provided, and one side of the cup cover 2 is connected with one side of the cup body 1, so that the cup cover 2 and the cup body 1 form a structure which can be folded up and down to be opened and closed; a buckle plug 21 is formed on one side of the cup cover 2 in a free state, and a buckle socket 15 is formed on the cup body 1 at the position opposite to the position where the cup cover and the cup body are covered; the buckle plug 21 is matched and connected with the buckle socket 15 and then used for limiting the cup cover 2.

The bowl cover that this application embodiment provided is connected and is set up in one side of cup, opposite side at the bowl cover is provided with the buckle plug, corresponding position at the cup is provided with the buckle socket, the setting of buckle plug and buckle socket is in order to let the lid can be more firm, convenient lock, if there is not the buckle, so the user is behind closed bowl cover, need press the bowl cover with the hand, very inconvenient, it is also unhygienic, after having set up the buckle, the user just can close the bowl cover, very laborsaving and health.

For better indication to the user, the present embodiment may further provide that the cup body is divided by a second partition 16 to form the first urine collecting cavity 11 and the second urine collecting cavity 12; the cross section of the second baffle 16 has an arrow-shaped structure pointing from the second urine collecting cavity 12 to the first urine collecting cavity 11; an arrow-shaped mark 22 which is the same as and opposite to the arrow-shaped structure in shape is formed on the cup cover 2. Furthermore, a first digital sequence mark 23 and a second digital sequence mark 24 which are arranged in one-to-one correspondence with the first urine collecting cavity 11 and the second urine collecting cavity 12 are respectively formed on two sides of the arrow-shaped mark 22 on the cup cover 2.

The second partition 16 is an arrow-shaped protrusion, and the arrow-shaped protrusion corresponds to the shape and direction of the device, so that the moving direction of the device can be indicated. An arrow-shaped mark is arranged on the cup cover, and the arrow-shaped mark corresponds to the shape and position of the second partition plate.

A first digital sequence mark and a second digital sequence mark are respectively arranged on two sides of the arrow-shaped mark, the position and the size of the first digital sequence mark correspond to those of the first urine collection cavity, and the position and the size of the second digital sequence mark correspond to those of the second urine collection cavity. The first numerical order identifier may be an arabic numeral 1 and the second numerical order identifier may be an arabic numeral 2.

The arrow-shaped partition and the protrusion on the cup cover can indicate the moving direction in use, and simultaneously guide a user together with the Arabic numeral identifiers, so that patients of different crowd types can quickly know the using logic of the device.

In order to further improve the operation convenience of the device, the embodiment of the present application may further provide that a handle 17 is formed on a side of the first urine collecting cavity 11 away from the second urine collecting cavity 12, and a concave triangular connecting groove 18 is formed between the handle 17 and the first urine collecting cavity 11; the handle 17 is formed with a plurality of reinforcing ribs 19 conforming to the cross-sectional shape of the triangular coupling grooves.

One side of keeping away from second collection urine chamber at first collection urine chamber is provided with handle 17, if there is not the handle, the user can let the urine spill the cup when using, can spill on the hand of handheld cup, sets up the handle and is in order to provide a more convenient handheld part of user to the condition that can avoid making dirty hand takes place.

Be provided with the triangle-shaped spread groove between handle and the cup, because get liquid cup and probably overweight after filling with the urine, in order to guarantee the handle and get the structural stability between the liquid cup, so be provided with the triangle-shaped spread groove between handle and cup to guarantee filling with the urine sample after, the fastness of handhold portion.

The handle is provided with a groove to form a plurality of reinforcing ribs. The groove increases the friction force of the handle, and the anti-slip effect is achieved when the device is held by a hand. Meanwhile, the overall strength of the device structure can be improved by the groove design, and the effect of reinforcing ribs is achieved.

The material of the accurate liquid device of getting of midstream urine that this application embodiment provided can be plastics, adopts the disposable blow molding of PS plastics. Simple structure, easy manufacture, lower cost and more economy. The device integrates the functional structures required by all steps in the process of taking the urine sample into a whole and is provided with a urine sample release nozzle which is convenient for transferring the urine into a test tube. The whole appearance is mainly the function service, has design aesthetic feeling concurrently.

In a word, the accurate liquid device of getting of midstream urine that this application provided, the structure is succinct clear, the simple operation, but and integrated into one piece processing, the cost is controllable, especially has health, easy operation's characteristics, is fit for the patient of different crowd types and uses. Can avoid both hands direct contact urine, can instruct the user to begin to sample the midstream urine to can accurate ration sample the midstream urine. Is worthy of large-area popularization and application.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention shall fall within the protection scope of the present invention.

Claims (10)

1. The device for accurately taking mid-stream urine is characterized by comprising a cup body, wherein the cup body comprises a first urine collecting cavity and a second urine collecting cavity which are not communicated with each other;

the first urine collecting cavity and the second urine collecting cavity are both provided with openings, and the opening of the first urine collecting cavity is used for being opposite to the urethral orifice of a user when the user begins to discharge urine so as to collect the forepart urine of the user; the opening of the second urine collecting cavity is used for being opposite to the urethral orifice of the user after the space in the first urine collecting cavity is filled with urine so as to collect midstream urine of the user.

2. The device of claim 1, wherein the first urine collecting chamber has a volume 3-5 times the urine volume of a male urethra or 5-7 times the urine volume of a female urethra.

3. The device of claim 1, wherein the second urine collection chamber is divided by a longitudinally disposed first partition to form a mid-stream urine sample discharge chamber, the volume of the mid-stream urine sample discharge chamber is not greater than the volume of the test tube.

4. The device for accurately withdrawing urine from midstream according to claim 3, wherein the bottom of the midstream urine sample discharge chamber is formed with a midstream urine sample discharge tube; one end of the middle section urine sample release pipe, which is far away from the middle section urine sample release cavity, is sealed; the middle section urine sample release pipe is formed with a ring-shaped structure which is pre-annularly cut and easy to break; the pre-ring cut breakable ring structure is used for breaking the middle section urine sample release tube under the action of external force, so that the middle section urine sample release tube forms an open release port to make the urine in the middle section urine sample release cavity flow into the test tube.

5. The device of claim 4, wherein the urine sample release tube comprises a downwardly extending funnel-shaped stopper protrusion and a straight tube portion, and the pre-ring cut breakable ring structure is formed on the straight tube portion; the maximum diameter of the funnel-shaped limiting protrusion part is larger than the inner diameter of the detection test tube.

6. The device of claim 3, wherein said first partition comprises two partitions, two of said first partitions being used to partition said second urine collecting chamber to form said mid-stream urine sample discharge chamber and two mid-stream urine collecting subchambers located on opposite sides of said mid-stream urine sample discharge chamber.

7. The device for accurately taking mid-stream urine as claimed in claim 1, further comprising a cup cover, wherein one side of the cup cover is connected with one side of the cup body, so that the cup cover and the cup body form a structure which can be folded up and down and opened and closed; a buckle plug is formed on one side of the cup cover in a free state, and a buckle socket is formed on the cup body at the position, opposite to the position, of the cup cover after being covered with the cup body; the buckle plug is used for limiting the cup cover after being matched and connected with the buckle socket.

8. The mid-stream urine precision fluid extracting device according to claim 7, wherein said cup body is partitioned by a second partition plate to form said first urine collecting chamber and said second urine collecting chamber; the cross section of the second partition plate is provided with an arrow-shaped structure pointing from the second urine collecting cavity to the first urine collecting cavity; an arrow-shaped mark which is the same as and opposite to the arrow-shaped structure in shape is formed on the cup cover.

9. The device of claim 8, wherein said cup cover is formed with a first and a second numerical sequence indicator on either side of said arrow-shaped indicator, respectively, in one-to-one correspondence with said first and said second urine collection chambers.

10. The device for accurately taking mid-stream urine according to any one of claims 1 to 9, wherein a handle is formed on one side of the first urine collecting chamber away from the second urine collecting chamber, and a concave triangular connecting groove is formed between the handle and the first urine collecting chamber; the handle is formed with a plurality of reinforcing ribs in conformity with the cross-sectional shape of the triangular connecting groove.

Images