Double kidney urine collection bag

Abstract

The present invention discloses a double-kidney type urine collecting bag, comprising: a mother bag, and a first sub-bag and a second sub-bag fixed on the front side of the mother bag; a special-shaped hook is fixed on the top of the mother bag, a drainage tube is passed through the special-shaped hook, a first liquid inlet tube is fixed on the top of the first sub-bag, a second liquid inlet tube is fixed on the top of the second sub-bag, and a flow direction regulating mechanism is arranged on the front side of the special-shaped hook; with the cooperation of the drainage tube, the flow direction regulating mechanism, the first liquid inlet tube, the second liquid inlet tube, the first sub-bag and the second sub-bag, urine in different urination periods can be collected in sections, so that it can better reflect the status of the bladder and the urinary system above the bladder, avoid the difference in bacteria content between the front urine and the back urine due to condition interference, so as to reflect the real infection status of the patient in the subsequent urinary tract infection status detection, help doctors to more accurately judge the health status of the patient's urinary system, improve the detection accuracy and reduce the risk of misdiagnosis of diseases.

Description

Technical Field

[0001] The invention relates to the field of nursing technology, in particular to an apparatus worn by a patient for receiving excretions, specifically a double-kidney type urine collecting bag. Background Art

[0002] Urine collection bag is a medical auxiliary device widely used in hospitals, nursing homes, home care and patients with limited mobility or long-term bedridden. It is used to collect and store urine discharged by the human body for subsequent treatment or discharge.

[0003] Among them, neurosurgery patients are in critical condition, most of them are bedridden and cannot take care of themselves, and the probability of surgical treatment is high, which will affect the patient's urinary system before and after the operation. Therefore, indwelling catheters in neurosurgery patients are a common medical measure used to manage the patient's urine excretion. Indwelling catheters are to place catheters into the patient's bladder, with one end connected to a urine collection bag, which can help urinate in time and reduce the patient's urine retention and residual urine problems.

[0004] The urine collection bags currently used in clinical practice often fail to take into account the differences in bacterial content in urine at different periods of urination when collecting urine. Instead, they collect urine from all periods as if it were of the same nature, ignoring the changes in bacterial content in urine at different stages. This can easily lead to the inability to accurately reflect the patient's actual infection status in subsequent urinary tract infection testing.

[0005] Therefore, it is necessary to improve the deficiencies in the prior art to solve the above problems. Summary of the invention

[0006] The invention overcomes the deficiencies of the prior art and provides a double-kidney type urine collecting bag.

[0007] To achieve the above object, the technical solution adopted by the present invention is: a double kidney type urine collection bag, comprising: a mother bag, and a first sub-bag and a second sub-bag fixed on the front of the mother bag;

[0008] A special-shaped hook is fixed on the top of the mother bag, a drainage tube is passed through the special-shaped hook, a first liquid inlet tube is fixed on the top of the first sub-bag, a second liquid inlet tube is fixed on the top of the second sub-bag, and a flow direction regulating mechanism for regulating the flow direction of the drainage tube, the first liquid inlet tube and the second liquid inlet tube is provided on the front of the special-shaped hook;

[0009] The first sub-bag and the second sub-bag are both provided with a plurality of connecting holes facing the front of the mother bag, and the bottom of the mother bag and the second sub-bag are both fixed with cross drain valves for draining the internal liquid.

[0010] In a preferred embodiment of the present invention, the flow direction regulating mechanism comprises: a semicircular block fixed on the front of the special-shaped hook, a liquid inlet cone fixed on the top of the semicircular block, and an arc-shaped block fixed on the front of the semicircular block; a switching groove is provided on the inner side of the semicircular block, and a first through hole and a second through hole are provided on the bottom of the semicircular block; the top of the liquid inlet cone is fixed to the bottom end of the drainage tube, the top of the first liquid inlet tube is fixed to the bottom of the first through hole, and the top of the second liquid inlet tube is fixed to the bottom of the second through hole;

[0011] An adjustment block is arranged on the inner side of the switching slot, a switching hole is opened on the adjustment block, the switching hole is arranged coaxially with the first through hole and the second through hole, and a driving component for accurately driving the adjustment block to rotate at a certain angle is arranged on the arc block.

[0012] In a preferred embodiment of the present invention, the first through hole and the second through hole penetrate the switching groove and the inner side of the liquid inlet cone cylinder upward in sequence, and the first through hole and the second through hole are symmetrically distributed; the adjustment block is coaxially arranged with the semicircular block, the switching groove and the liquid inlet cone cylinder, and is rotatably connected to the inner bottom of the switching groove.

[0013] In a preferred embodiment of the present invention, the driving assembly includes: a driving groove opened on one side of the arc block, a driving gear rotatably connected to the inner side of the driving groove, and a plurality of teeth fixed on the side of the adjustment block; the plurality of teeth are engaged with the side of the driving gear, a limiting block is fixed on the inner side of the switching groove, the top of the arc block is rotatably connected to a rotating block, and the end of the rotating block facing the inside of the driving groove is fixed to the top of the driving gear.

[0014] In a preferred embodiment of the present invention, the included angles between the limit block and the first through hole and the second through hole are both 90°, and a plurality of teeth are evenly distributed in a semicircular manner on the side surface of the adjustment block.

[0015] In a preferred embodiment of the present invention, a support sheet is provided at the connection between the first liquid inlet tube and the first sub-bag, and at the connection between the second liquid inlet tube and the second sub-bag, and a plurality of support blocks are fixed to the side of the support sheet facing the inside of the first sub-bag and the second sub-bag; the support sheet is located at the bottom of the connecting hole.

[0016] In a preferred embodiment of the present invention, a sampling joint is installed at one end of the drainage tube, and a flow-stopping clamp for preventing liquid backflow is clamped on the drainage tube.

[0017] In a preferred embodiment of the present invention, the mother bag, the first sub-bag and the second sub-bag are all provided with scale lines for observing the internal liquid capacity.

[0018] The present invention provides a method for using a double-kidney type urine collecting bag, comprising the following steps:

[0019] S1. Hang the special-shaped hook in the use area, let the mother bag droop naturally, pass the drainage tube through one side of the special-shaped hook, and connect one end of the drainage tube to the patient's indwelling urinary catheter;

[0020] S2, adjusting the flow direction of the drainage tube to the first liquid inlet tube through the flow direction regulating mechanism, so that the front urine flows into the first sub-bag through the drainage tube and the first liquid inlet tube;

[0021] S3, when the front urine flowing into the first sub-bag reaches the first threshold, the flow direction of the drainage tube is adjusted to the second liquid inlet tube through the flow direction adjustment mechanism, so that the middle urine flows into the second sub-bag from the drainage tube and the second liquid inlet tube;

[0022] S4, when the urine flowing into the first sub-bag is less than the first threshold value and urination is finished, the mid-stream urine sampling is invalid;

[0023] S5, when the middle urine flowing into the second sub-bag reaches the second threshold, the flow direction of the drainage tube is adjusted to the first liquid inlet tube again through the flow direction adjustment mechanism, so that the latter urine flows into the first sub-bag through the drainage tube and the first liquid inlet tube;

[0024] S6. When the midstream urine flowing into the second sub-bag is less than the second threshold value and urination is finished, the midstream urine sampling is invalidated;

[0025] S7, when the amount of urine flowing into the first sub-bag is greater than the third threshold, the sampling of the middle urine is valid;

[0026] S8, open the cross drain valve at the bottom of the second sub-bag to drain the middle urine in the second sub-bag for inspection, and turn the first sub-bag and the second sub-bag upwards, so that the urine concentrated in the first sub-bag and the remaining urine in the second sub-bag are discharged into the mother bag through the plurality of connecting holes;

[0027] S9. The urine capacity inside the mother bag is close to the storage threshold. Open the cross drain valve at the bottom of the mother bag to drain the urine inside the mother bag, thereby completing the use.

[0028] In a preferred embodiment of the present invention, the first threshold value is 180-220 ml, the second threshold value is 40-60 ml, and the third threshold value is greater than 30 ml.

[0029] The present invention solves the defects existing in the background technology and has the following beneficial effects:

[0030] The present invention provides a double-kidney type urine collecting bag, which comprises a main body of the double-kidney type urine collecting bag through a mother bag, a first sub-bag and a second sub-bag. With the cooperation of a drainage tube, a flow direction regulating mechanism, a first liquid inlet tube, a second liquid inlet tube, a first sub-bag and a second sub-bag, urine in different urination periods can be collected in targeted and segmented manner, and then medical staff can sample and send the collected middle urine for inspection separately through a cross discharge valve at the bottom of the second sub-bag, so that the sample can better reflect the status of the bladder and the urinary system above the bladder, and avoid the difference in bacterial content between the front urine and the back urine due to condition interference, so that in the subsequent urinary tract infection status detection, the patient's actual infection status can be reflected, which helps doctors to more accurately judge the patient's urinary system health status, improve the detection accuracy and reduce the risk of misdiagnosis of the disease.

[0031] In the present invention, a flow direction regulating mechanism is arranged on the front side of the special-shaped hook. When the urine in the drainage tube enters the interior of the liquid inlet cone, the cooperation of the rotating block, the driving gear, the teeth, the regulating block, the switching groove and the limit block can accurately drive the regulating switch of the regulating block and the switching hole, which helps to improve the convenience and controllability of user use. With the cooperation of the switching hole, the first through hole and the second through hole, the urine in the liquid inlet cone can flow through the switching hole to the interior of the first through hole and the first liquid inlet tube or the interior of the second through hole and the second liquid inlet tube, thereby cleverly realizing the flow direction regulating switch required for different urination periods, which helps to control the amount of urine.

[0032] In the present invention, by arranging support pieces at the connection between the first liquid inlet pipe and the first sub-bag and at the connection between the second liquid inlet pipe and the second sub-bag, when urine flows into the first sub-bag or the second sub-bag, the cooperation of the support pieces can provide an initial circulation space for the urine to enter, so that after the urine enters the interior of the first sub-bag or the second sub-bag, the surface tension formed can easily open the fitting condition between the internal surfaces thereof, thereby avoiding the situation that the urine cannot flow in normally, effectively preventing the urine from being retained in the fitting area inside the first sub-bag or the second sub-bag, and preventing the occurrence of urine leakage, which helps to improve the use effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art are briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present invention. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative work.

[0034] Figure 1 1 is a front view structural diagram of a double kidney type urine collecting bag according to a preferred embodiment of the present invention;

[0035] Figure 2is a three-dimensional structural diagram of a flow direction regulating mechanism of a preferred embodiment of the present invention;

[0036] Figure 3 It is a front view and half-section structural diagram of a semicircular block and a liquid inlet cone cylinder of a preferred embodiment of the present invention;

[0037] Figure 4 It is a top view and half-section structure diagram of a semicircular block and an arc-shaped block of a preferred embodiment of the present invention;

[0038] Figure 5 This is a structural diagram of the connection between the support sheet and the support block of a preferred embodiment of the present invention;

[0039] In the figure: 1, mother bag; 11, first sub-bag; 12, second sub-bag; 2, special-shaped hook; 3, drainage tube; 31, first liquid inlet pipe; 32, second liquid inlet pipe; 4, flow direction regulating mechanism; 41, semicircular block; 42, liquid inlet cone; 43, arc block; 44, switching slot; 45, first through hole; 46, second through hole; 47, regulating block; 48, switching hole; 411, driving slot; 412, driving gear; 413, teeth; 414, limit block; 415, rotating block; 5, connecting hole; 6, cross drain valve; 7, support plate; 71, support block; 8, sampling joint; 9, stop clamp; 10, scale line. DETAILED DESCRIPTION

[0040] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0041] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein. Therefore, the protection scope of the present invention is not limited to the specific embodiments disclosed below.

[0042] In the description of the present application, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the scope of protection of the present application. In addition, the terms "first", "second", etc. are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, features defined as "first", "second", etc. may explicitly or implicitly include one or more of the features. In the description of the invention, unless otherwise specified, "multiple" means two or more.

[0043] In the description of this application, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood by specific circumstances.

[0044] For patients who use an indwelling catheter and urine collection bag, when urine needs to be collected into the urine collection bag and urine sampling and testing is considered later;

[0045] The first urine that flows out of the patient's bladder through the catheter: This part of urine will first come into contact with pollutants such as bacteria and secretions in and around the urethra during the process of being discharged from the body. Therefore, the first urine may contain more impurities and bacteria, which can easily lead to abnormal urine test results, thereby increasing the risk of misdiagnosis of the disease;

[0046] Posterior urine flowing out of the patient's bladder through a urinary catheter: Posterior urine stays in the bladder for a long time, and is prone to form crystals or precipitation due to excessive concentration of substances with low solubility (such as calcium oxalate, uric acid, etc.) in the posterior urine. It is also affected by the exfoliated cells and epithelial cells of the bladder wall, thereby interfering with the results of urine testing;

[0047] Midstream urine that flows out of the patient's bladder through a urinary catheter: During the urination process, the front urine has already washed away some of the bacteria and other contaminants in the urethra, and the back urine will also be contaminated when it is discharged, especially when there is a disease at the bladder outlet. Therefore, midstream urine is relatively cleaner and less contaminated, and can more accurately reflect the condition of the bladder and the urinary system above the bladder.

[0048] In response to the above technical problems, the concept of the present invention is to propose a double-kidney urine collection bag, which fully considers the differences in bacterial content in different urination periods, and collects urine in different urination periods in a targeted manner, thereby minimizing urine contamination, improving detection accuracy and reducing the risk of misdiagnosis of diseases. Example 1

[0049] like Figure 1 As shown, a double kidney type urine collecting bag comprises: a mother bag 1, and a first sub-bag 11 and a second sub-bag 12 fixed on the front side of the mother bag 1; a special-shaped hook 2 is fixed on the top of the mother bag 1, a drainage tube 3 is passed through the special-shaped hook 2, a first liquid inlet tube 31 is fixed on the top of the first sub-bag 11, a second liquid inlet tube 32 is fixed on the top of the second sub-bag 12, and a flow direction regulating mechanism 4 for regulating the flow direction of the drainage tube 3, the first liquid inlet tube 31 and the second liquid inlet tube 32 is arranged on the front side of the special-shaped hook 2; a plurality of connecting holes 5 are opened in the first sub-bag 11 and the second sub-bag 12 toward the inside of the front side of the mother bag 1, and a cross drain valve 6 for discharging the internal liquid is fixed at the bottom of the mother bag 1 and the second sub-bag 12.

[0050] It should be noted that the sides of the mother bag 1 and the sides of the first sub-bag 11 and the second sub-bag 12 in contact with the front of the mother bag 1 are all sealed by hot pressing. At the same time, the surfaces of the mother bag 1, the first sub-bag 11 and the second sub-bag 12 are provided with embossing, which is used to form an uneven texture on the surface of the mother bag 1, the first sub-bag 11 and the second sub-bag 12, thereby increasing the total surface area. Due to the increase in contact area, the close contact caused by complete fitting is reduced, thereby reducing the possibility of fitting between the front bag surface and the rear bag surface; the interiors of the first sub-bag 11 and the second sub-bag 12 are connected to the interior of the mother bag 1 through a number of connecting holes 5.

[0051] Specifically, the user hangs the special-shaped hook 2 on a use area such as a bed board, and after the mother bag 1 naturally droops, the drainage tube 3 is passed through one side of the special-shaped hook 2, and one end of the drainage tube 3 is connected to the patient's indwelling urinary catheter. Through the cooperation of the flow direction regulating mechanism 4, the flow direction of the drainage tube 3 is adjusted to the first liquid inlet tube 31, so that the front urine that first flows out of the indwelling urinary catheter flows into the first sub-bag 11 through the drainage tube 3 and the first liquid inlet tube 31 in turn. The flow direction of the drainage tube 3 is adjusted to the second liquid inlet tube 32, so that the middle urine is guided to flow into the second sub-bag 12 through the drainage tube 3 and the second liquid inlet tube 32 in turn, so that the middle urine is discharged into the second sub-bag 12 in turn. After the urine in the bag 12 is collected, the flow direction of the drainage tube 3 is adjusted again to the first liquid inlet tube 31, so that the rear urine after the middle urine flows into the first sub-bag 11 to complete the urine collection, and then the medical staff can sample the collected middle urine separately through the cross discharge valve 6 at the bottom of the second sub-bag 12 and send it for inspection, so that it can better reflect the condition of the bladder and the urinary system above the bladder, avoid the difference in bacterial content between the front urine and the rear urine due to condition interference, so that in the subsequent urinary tract infection condition detection, it can reflect the patient's actual infection condition, help doctors more accurately judge the patient's urinary system health status, improve the detection accuracy and reduce the risk of misdiagnosis of the disease;

[0052] After completing the collection of segmented urine, the first sub-bag 11 and the second sub-bag 12 are flipped upwards, and the remaining urine inside the first sub-bag 11 and the second sub-bag 12 can be discharged into the interior of the mother bag 1 through a plurality of connecting holes 5, so that the urine collection operation is completed. When the urine capacity inside the mother bag 1 is close to the storage threshold, the cross drain valve 6 at the bottom of the mother bag 1 is opened to discharge the urine inside the mother bag 1, thereby completing the use.

[0053] It can be understood that the cross drain valve 6 is a commonly used drain valve in existing urine collection bags, made of PP (polypropylene) and PE (polyethylene) materials, and discharges or closes by pressing. The structure and principle are known to those skilled in the art and belong to the prior art, so they will not be described in detail here.

[0054] like Figure 1 , Figure 2 and Figure 3As shown, in some embodiments, the flow direction regulating mechanism 4 includes: a semicircular block 41 fixed on the front side of the special-shaped hook 2, a liquid inlet cone 42 fixed on the top of the semicircular block 41, and an arc block 43 fixed on the front side of the semicircular block 41; a switching groove 44 is provided on the inner side of the semicircular block 41, and a first through hole 45 and a second through hole 46 are provided on the bottom of the semicircular block 41; the top of the liquid inlet cone 42 is fixed to the bottom end of the drainage tube 3, the top of the first liquid inlet pipe 31 is fixed to the bottom of the first through hole 45, and the top of the second liquid inlet pipe 32 is fixed to the bottom of the second through hole 46; an adjusting block 47 is provided on the inner side of the switching groove 44, a switching hole 48 is provided on the adjusting block 47, and the switching hole 48 is coaxially arranged with the first through hole 45 and the second through hole 46, and a driving component for accurately driving the adjusting block 47 to rotate at a certain angle is provided on the arc block 43.

[0055] It should be noted that the first through hole 45 and the second through hole 46 pass through the inner side of the switching groove 44 and the liquid inlet cone 42 upward in sequence, and the first through hole 45 and the second through hole 46 are symmetrically distributed; the adjustment block 47 is coaxially arranged with the semicircular block 41, the switching groove 44 and the liquid inlet cone 42, and is rotatably connected to the inner bottom of the switching groove 44; the inner diameters of the switching groove 44 and the adjustment block 47 are both larger than the inner diameter of the semicircular block 41, so that the adjustment block 47 forms a state of upper and lower resistance on the inner side of the semicircular block 41, and at the same time, the resistance surface of the adjustment block 47 and the semicircular block 41 is provided with a sealing ring to improve the sealing effect of the connection.

[0056] Specifically, when the urine inside the drainage tube 3 enters the interior of the liquid inlet cone 42, the driving assembly on the arc block 43 cooperates to accurately drive the adjustment block 47 inside the switching groove 44 to rotate at a certain angle, so that the switching hole 48 on the adjustment block 47 is opposite to the first through hole 45 or the second through hole 46, and then the urine in the liquid inlet cone 42 can flow through the switching hole 48 to the interior of the first through hole 45 and the first liquid inlet tube 31 or the second through hole 46 and the second liquid inlet tube 32, thereby cleverly realizing the flow direction adjustment switching required for different urination periods, which is helpful to control the amount of urine.

[0057] like Figure 2 and Figure 4 As shown, in some embodiments, the driving assembly includes: a driving groove 411 opened on one side of the arc block 43, a driving gear 412 rotatably connected to the inner side of the driving groove 411, and a plurality of teeth 413 fixed on the side of the adjustment block 47; the plurality of teeth 413 are engaged with the side of the driving gear 412, a limiting block 414 is fixed on the inner side of the switching groove 44, and the top of the arc block 43 is rotatably connected to a rotating block 415, and one end of the rotating block 415 facing the inside of the driving groove 411 is fixed to the top of the driving gear 412.

[0058] It should be noted that the angles between the limit block 414 and the first through hole 45 and the second through hole 46 are all 90°, and the plurality of teeth 413 are evenly distributed in a semicircular direction on the side of the adjustment block 47; the inner side of the driving slot 411 is connected to the inner side of the switching slot 44.

[0059] Specifically, when adjusting the corresponding channel of the switching hole 48 and the first through hole 45 or the second through hole 46, the rotating block 415 is manually rotated to drive the driving gear 412 at the bottom to rotate. The driving gear 412 is engaged with a plurality of teeth 413 on the side of the adjusting block 47, and the adjusting block 47 can be driven to rotate on the inner side of the switching slot 44. Since the angles between the limit block 414 and the first through hole 45 and the second through hole 46 are both 90°, that is, the angles between the first through hole 45 and the second through hole 46 are 180°, and because a plurality of teeth 413 are evenly distributed in a semicircular direction on the side of the adjustment block 47, when the adjustment block 47 is driven to rotate 180°, the teeth 413 at one end will contact one side of the limit block 414, and the switching hole 48 will be adjusted from the first through hole 45 to the second through hole 46, or from the second through hole 46 to the first through hole 45, so that the adjustment switching of the adjustment block 47 and the switching hole 48 can be accurately driven, which helps to improve the convenience and controllability of user use.

[0060] like Figure 1 and Figure 5 As shown, in some embodiments, a support sheet 7 is provided at the connection between the first liquid inlet pipe 31 and the first sub-bag 11 and at the connection between the second liquid inlet pipe 32 and the second sub-bag 12, and a plurality of support blocks 71 are fixed to one side of the support sheet 7 facing the inside of the first sub-bag 11 and the second sub-bag 12.

[0061] It should be noted that the support piece 7 is located at the bottom of the connecting hole 5, and is used to prevent the liquid entering the first sub-bag 11 or the second sub-bag 12 from the support piece 7 area from directly entering the mother bag 1 through the connecting hole 5; the first liquid inlet pipe 31 and the second liquid inlet pipe 32 are respectively connected to the interior of the first sub-bag 11 and the second sub-bag 12 through the support piece 7.

[0062] Specifically, the first liquid inlet tube 31 and the first sub-bag 11 are taken as examples here. The principles of the second liquid inlet tube 32 and the second sub-bag 12 are the same, so they are not described in detail here. When urine flows from the first liquid inlet tube 31 to the first sub-bag 11, the interior of the first sub-bag 11 can be opened by the support pieces 7 facing the inner side of the first sub-bag 11, thereby providing an initial circulation space for urine to enter the interior of the first sub-bag 11, so that after the urine in the first liquid inlet tube 31 enters the interior of the first sub-bag 11, the surface tension formed can easily open the fitting condition between the internal surfaces thereof, thereby avoiding the situation where urine cannot flow in normally, effectively preventing urine from being retained in the fitting area inside the first sub-bag 11, and preventing urine leakage, which helps to improve the use effect.

[0063] like Figure 1 As shown, in some embodiments, a sampling connector 8 is installed at one end of the drainage tube 3, and a stop clamp 9 for preventing liquid backflow is clamped on the drainage tube 3; through the setting of the stop clamp 9, when urine flows into the first sub-bag 11 or the second sub-bag 12 through the drainage tube 3, the user presses the stop clamp 9 to close the internal channel of the drainage tube 3, thereby avoiding the backflow of urine and reducing the risk of infection for the patient.

[0064] like Figure 1 As shown, in some embodiments, the mother bag 1, the first sub-bag 11 and the second sub-bag 12 are all provided with scale lines 10 for observing the internal liquid capacity; through the setting of the scale lines 10, it is convenient for the user to accurately and intuitively obtain the urine capacity inside the mother bag 1, the first sub-bag 11 and the second sub-bag 12.

[0065] A method for using a double-kidney urine collection bag comprises the following steps:

[0066] S1. Hang the special-shaped hook 2 in the use area, let the mother bag 1 droop naturally, pass the drainage tube 3 through one side of the special-shaped hook 2, and connect one end of the drainage tube 3 to the patient's indwelling urinary catheter;

[0067] S2, adjusting the flow direction of the drainage tube 3 to the first liquid inlet tube 31 through the flow direction regulating mechanism 4, so that the front urine flows into the first sub-bag 11 through the drainage tube 3 and the first liquid inlet tube 31;

[0068] S3, when the amount of the first urine flowing into the first sub-bag 11 is 200 ml, the flow direction of the drainage tube 3 is adjusted to the second liquid inlet tube 32 through the flow direction adjustment mechanism 4, so that the middle urine flows from the drainage tube 3 and the second liquid inlet tube 32 into the second sub-bag 12;

[0069] S4, when the urine flowing into the first sub-bag 11 is less than 200 ml and urination is finished, the mid-stream urine sampling is invalid;

[0070] S5, when the middle urine flowing into the second sub-bag 12 reaches 50 ml, the flow direction of the drainage tube 3 is adjusted to the first liquid inlet tube 31 again through the flow direction adjustment mechanism 4, so that the rear urine flows into the first sub-bag 11 through the drainage tube 3 and the first liquid inlet tube 31;

[0071] S6. When the midstream urine flowing into the second sub-bag 12 is less than 50 ml at the end of urination, the midstream urine sampling is invalid;

[0072] S7, when the second-stage urine flowing into the first sub-bag 11 is greater than 30 ml, the sampling of the middle-stage urine is valid;

[0073] S8, open the cross drain valve 6 at the bottom of the second sub-bag 12, discharge the middle urine in the second sub-bag 12 for inspection, and turn the first sub-bag 11 and the second sub-bag 12 upward, so that the urine concentrated in the first sub-bag 11 and the remaining urine in the second sub-bag 12 are discharged into the mother bag 1 through the plurality of connecting holes 5;

[0074] S9, when the urine capacity inside the mother bag 1 is close to the storage threshold, the cross drain valve 6 at the bottom of the mother bag 1 is opened to drain the urine inside the mother bag 1, thereby completing the use.

[0075] It should be noted that this method can determine whether the midstream urine sample is valid, especially when the posterior urine is greater than the third threshold value, the midstream urine sampling is effective, which helps to ensure the accuracy and reliability of the sample, and avoids the interference of various factors in the front and rear urine, thereby being able to better reflect the true composition of urine in the bladder more accurately. Example 2

[0076] This embodiment is basically the same as the embodiment 1, with the difference being that in order to meet the needs of multiple urine collection of the first sub-bag 11 and the second sub-bag 12, to cope with the large capacity of the mother bag 1 and to utilize the second sub-bag 12 for multiple sampling and inspection purposes, a hydrogel hydrophobic coating can be provided on the inner surfaces of the first sub-bag 11 and the second sub-bag 12.

[0077] It should be noted that hydrogel is a three-dimensional (3D) network formed by physically or chemically cross-linked hydrophilic polymers, and is used because of its good hydrophilicity, high water content, porous structure and good surface smoothness. As for the selected hydrogel raw materials and the preparation method of the hydrogel coating, those skilled in the art can learn it through market purchase or existing technology, so only examples are given without detailed description.

[0078] For example, the raw materials of the hydrogel coating include: polyvinyl alcohol 1799 (PVA), sodium alginate (SA), polyvinyl pyrrolidone (PVP), 1-(3-dimethylaminopropyl)-3-ethylcarbodiimide (EDC), N-hydroxysuccinimide (NHS), anhydrous calcium chloride (CaCl2), N-(β-aminoethyl)-γ-aminopropyltrimethoxysilane (KH-792) and anhydrous ethanol.

[0079] It should be noted that PVA has good biocompatibility and hydrophilicity, SA has strong complexing ability with metal ions, and can quickly build a coating on the surface through ionic cross-linking. SA and PVA form a semi-interpenetrating network.

[0080] Solution preparation:

[0081] PVA (10 wt%) was dissolved at 95 °C for 2 h, cooled to 60 °C, and then SA (1.5 wt%), PVP (1 wt%), and EDC (1 wt% of SA, EDC: NHS = 5:3 (wt%)) were added in sequence. After complete dissolution by magnetic stirring, the mixture was centrifuged for defoaming for 15 min to obtain a hydrogel pre-solution.

[0082] Weigh 2g CaCl2 and dissolve it in 100ml water to obtain a calcium ion solution;

[0083] KH-792: anhydrous ethanol: water = 2:2:3 (v / v) was prepared into a solution, and the solution was hydrolyzed at room temperature for 12 h to obtain a coupling agent solution.

[0084] Preparation of hydrogel hydrophobic coating:

[0085] The first sub-bag 11 and the second sub-bag 12 were ultrasonically cleaned with water and anhydrous ethanol for 3 times, each time for 10 min, fully dried, and treated with air plasma for 200 s to obtain hydroxyl groups on the surface;

[0086] The treated first sub-bag 11 and second sub-bag 12 are immersed in the coupling agent solution for 1 hour and then dried, and then dipped in the hydrogel pre-solution. After the sample is pulled out evenly and slowly, it is placed in a calcium ion solution to react for 2 minutes, taken out and placed at -20°C, frozen for 12 hours, and a hydrogel hydrophobic coating is formed after melting.

[0087] It should be noted that the surface of the substrate was activated by plasma treatment, and then the surface was amino-modified using a coupling agent, and then the hydrogel pre-solution and ion solution were dip-coated step by step. 2+ The hydrogel hydrophobic coating is quickly formed by ionic cross-linking, and finally the final hydrogel hydrophobic coating is formed on the inner surface of the first sub-bag 11 and the second sub-bag 12 by freeze-thawing.

[0088] Contact angle measurement: rinse the surfaces of the first sub-bag 11 and the second sub-bag 12 with water, dry them with N2, fix the first sub-bag 11 or the second sub-bag 12 on a glass slide to prevent the sample from curling and affecting the observation, adjust the contact angle meter, light source, and camera device to the same horizontal line, place the fixed sample on the sample stage, add deionized water to the micro-syringe and adjust the height, drop a drop on the sample, and the water contact angle is 84.21°.

[0089] A method for using a double-kidney urine collection bag comprises the following steps:

[0090] S1. Hang the special-shaped hook 2 in the use area, let the mother bag 1 droop naturally, pass the drainage tube 3 through one side of the special-shaped hook 2, and connect one end of the drainage tube 3 to the patient's indwelling urinary catheter;

[0091] S2, adjusting the flow direction of the drainage tube 3 to the first liquid inlet tube 31 through the flow direction regulating mechanism 4, so that the front urine flows into the first sub-bag 11 through the drainage tube 3 and the first liquid inlet tube 31;

[0092] S3, when the front urine flowing into the first sub-bag 11 is 180 ml, the flow direction of the drainage tube 3 is adjusted to the second liquid inlet tube 32 through the flow direction adjustment mechanism 4, so that the middle urine flows from the drainage tube 3 and the second liquid inlet tube 32 into the second sub-bag 12;

[0093] S4, when the urine flowing into the first sub-bag 11 is less than 180 ml at the end of urination, the mid-stream urine sampling is invalid;

[0094] S5, when the middle urine flowing into the second sub-bag 12 is 60 ml, the flow direction of the drainage tube 3 is adjusted to the first liquid inlet tube 31 again through the flow direction adjustment mechanism 4, so that the latter urine flows into the first sub-bag 11 through the drainage tube 3 and the first liquid inlet tube 31;

[0095] S6. When the midstream urine flowing into the second sub-bag 12 is less than 60 ml at the end of urination, the midstream urine sampling is invalid;

[0096] S7, when the second-stage urine flowing into the first sub-bag 11 is greater than 30 ml, the sampling of the middle-stage urine is valid;

[0097] S8, open the cross drain valve 6 at the bottom of the second sub-bag 12, discharge the middle urine in the second sub-bag 12 for inspection, and turn the first sub-bag 11 and the second sub-bag 12 upward, so that the urine concentrated in the first sub-bag 11 and the remaining urine in the second sub-bag 12 are discharged into the mother bag 1 through the plurality of connecting holes 5;

[0098] S9, when the urine capacity inside the mother bag 1 is close to the storage threshold, the cross drain valve 6 at the bottom of the mother bag 1 is opened to drain the urine inside the mother bag 1, thereby completing the use.

[0099] After the urine inside the first sub-bag 11 or the second sub-bag 12 is drained, the bag hanging situation is greatly avoided. Furthermore, after the second sub-bag 12 receives the newly collected urine, it is better to avoid urine contamination caused by the urine residue from the previous time. Example 3

[0100] This embodiment is basically the same as the first embodiment, except that: a method for using a double kidney urine collection bag comprises the following steps:

[0101] S1. Hang the special-shaped hook 2 in the use area, let the mother bag 1 droop naturally, pass the drainage tube 3 through one side of the special-shaped hook 2, and connect one end of the drainage tube 3 to the patient's indwelling urinary catheter;

[0102] S2, adjusting the flow direction of the drainage tube 3 to the first liquid inlet tube 31 through the flow direction regulating mechanism 4, so that the front urine flows into the first sub-bag 11 through the drainage tube 3 and the first liquid inlet tube 31;

[0103] S3, when the front urine flowing into the first sub-bag 11 is 220 ml, the flow direction of the drainage tube 3 is adjusted to the second liquid inlet tube 32 through the flow direction adjustment mechanism 4, so that the middle urine flows from the drainage tube 3 and the second liquid inlet tube 32 into the second sub-bag 12;

[0104] S4, when the urine flowing into the first sub-bag 11 is less than 220 ml at the end of urination, the mid-stream urine sampling is invalid;

[0105] S5, when the middle urine flowing into the second sub-bag 12 is 40 ml, the flow direction of the drainage tube 3 is adjusted to the first liquid inlet tube 31 again through the flow direction adjustment mechanism 4, so that the rear urine flows into the first sub-bag 11 through the drainage tube 3 and the first liquid inlet tube 31;

[0106] S6. When the midstream urine flowing into the second sub-bag 12 is less than 40 ml at the end of urination, the midstream urine sampling is invalid;

[0107] S7, when the second-stage urine flowing into the first sub-bag 11 is greater than 30 ml, the sampling of the middle-stage urine is valid;

[0108] S8, open the cross drain valve 6 at the bottom of the second sub-bag 12, discharge the middle urine in the second sub-bag 12 for inspection, and turn the first sub-bag 11 and the second sub-bag 12 upward, so that the urine concentrated in the first sub-bag 11 and the remaining urine in the second sub-bag 12 are discharged into the mother bag 1 through the plurality of connecting holes 5;

[0109] S9, when the urine capacity inside the mother bag 1 is close to the storage threshold, the cross drain valve 6 at the bottom of the mother bag 1 is opened to drain the urine inside the mother bag 1, thereby completing the use.

[0110] The above is based on the ideal embodiment of the present invention. Through the above description, it is obvious to those skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and the present invention can be implemented in other specific forms without departing from the spirit or basic characteristics of the present invention. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the present invention is limited by the attached claims rather than the above description, and it is intended to include all changes within the meaning and scope of the equivalent elements of the claims. Any figure mark in the claims should not be regarded as limiting the claims involved.

[0111] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A double kidney urine collection bag, characterized in that: include: A mother bag, and a first sub-bag and a second sub-bag fixed to the front side of the mother bag; A special-shaped hook is fixed on the top of the mother bag, a drainage tube is passed through the special-shaped hook, a first liquid inlet tube is fixed on the top of the first sub-bag, a second liquid inlet tube is fixed on the top of the second sub-bag, and a flow direction regulating mechanism for regulating the flow direction of the drainage tube, the first liquid inlet tube and the second liquid inlet tube is provided on the front of the special-shaped hook; The first sub-bag and the second sub-bag are both provided with a plurality of communication holes in the interior facing the front of the mother bag, and the bottom of the mother bag and the second sub-bag are both fixed with a cross drain valve for draining the internal liquid; The flow direction regulating mechanism comprises: a semicircular block fixed on the front of the special-shaped hook, a liquid inlet cone fixed on the top of the semicircular block, and an arc-shaped block fixed on the front of the semicircular block; a switching groove is provided on the inner side of the semicircular block, and a first through hole and a second through hole are provided on the bottom of the semicircular block; the top of the liquid inlet cone is fixed to the bottom end of the drainage tube, the top of the first liquid inlet tube is fixed to the bottom of the first through hole, and the top of the second liquid inlet tube is fixed to the bottom of the second through hole; An adjustment block is arranged inside the switching slot, a switching hole is opened on the adjustment block, the switching hole is coaxially arranged with the first through hole and the second through hole, and a driving component for accurately driving the adjustment block to rotate at a certain angle is arranged on the arc block; The driving assembly comprises: a driving groove provided on one side of the arc block, a driving gear rotatably connected to the inner side of the driving groove, and a plurality of teeth fixed to the side of the adjusting block; the plurality of teeth mesh with the side of the driving gear, a limiting block is fixed to the inner side of the switching groove, a rotating block is rotatably connected to the top of the arc block, and one end of the rotating block facing the inside of the driving groove is fixed to the top of the driving gear; A support sheet is provided at the connection between the first liquid inlet pipe and the first sub-bag, and at the connection between the second liquid inlet pipe and the second sub-bag, and a plurality of support blocks are fixed on one side of the support sheet facing the inside of the first sub-bag and the second sub-bag; the support sheet is located at the bottom of the communicating hole; The inner surfaces of the first sub-bag and the second sub-bag are provided with a hydrogel hydrophobic coating; The method for using the urine collection bag comprises the following steps: S1. Hang the special-shaped hook in the use area, let the mother bag droop naturally, pass the drainage tube through one side of the special-shaped hook, and connect one end of the drainage tube to the patient's indwelling urinary catheter; S2, adjusting the flow direction of the drainage tube to the first liquid inlet tube through the flow direction regulating mechanism, so that the front urine flows into the first sub-bag through the drainage tube and the first liquid inlet tube; S3, when the front urine flowing into the first sub-bag reaches the first threshold, the flow direction of the drainage tube is adjusted to the second liquid inlet tube through the flow direction adjustment mechanism, so that the middle urine flows into the second sub-bag from the drainage tube and the second liquid inlet tube; S4, when the urine flowing into the first sub-bag is less than the first threshold value and urination is finished, the mid-stream urine sampling is invalid; S5, when the middle urine flowing into the second sub-bag reaches the second threshold, the flow direction of the drainage tube is adjusted to the first liquid inlet tube again through the flow direction adjustment mechanism, so that the latter urine flows into the first sub-bag through the drainage tube and the first liquid inlet tube; S6. When the midstream urine flowing into the second sub-bag is less than the second threshold value and urination is finished, the midstream urine sampling is invalidated; S7, when the amount of urine flowing into the first sub-bag is greater than the third threshold, the sampling of the middle urine is valid; S8, open the cross drain valve at the bottom of the second sub-bag to drain the middle urine in the second sub-bag for inspection, and turn the first sub-bag and the second sub-bag upwards, so that the urine concentrated in the first sub-bag and the remaining urine in the second sub-bag are discharged into the mother bag through the plurality of connecting holes; S9, when the urine capacity inside the mother bag approaches the storage threshold, the cross drain valve at the bottom of the mother bag is opened to drain the urine inside the mother bag, thereby completing the use; The first threshold is 180-220 ml, the second threshold is 40-60 ml, and the third threshold is greater than 30 ml.

2. A double kidney urine collection bag according to claim 1, characterized in that: The first through hole and the second through hole pass through the switching groove and the inner side of the liquid inlet cone cylinder upward in sequence, and the first through hole and the second through hole are symmetrically distributed; the adjustment block is coaxially arranged with the semicircular block, the switching groove and the liquid inlet cone cylinder, and is rotatably connected to the inner bottom of the switching groove.

3. A double kidney urine collection bag according to claim 1, characterized in that: The included angles between the limit block and the first through hole and the second through hole are both 90 degrees, and a plurality of teeth are evenly distributed in a semicircular direction on the side of the adjustment block.

4. A double kidney urine collection bag according to claim 1, characterized in that: A sampling joint is installed at one end of the drainage tube, and a flow-stopping clip for preventing liquid backflow is clamped on the drainage tube.

5. A double kidney urine collection bag according to claim 1, characterized in that: The mother bag, the first sub-bag and the second sub-bag are all provided with scale lines for observing the internal liquid capacity.

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