CN113075085B - Automatic urine specific gravity monitor - Google Patents
Automatic urine specific gravity monitor Download PDFInfo
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- CN113075085B CN113075085B CN202110200961.7A CN202110200961A CN113075085B CN 113075085 B CN113075085 B CN 113075085B CN 202110200961 A CN202110200961 A CN 202110200961A CN 113075085 B CN113075085 B CN 113075085B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N9/00—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity
- G01N9/10—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity by observing bodies wholly or partially immersed in fluid materials
- G01N9/12—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity by observing bodies wholly or partially immersed in fluid materials by observing the depth of immersion of the bodies, e.g. hydrometers
- G01N9/14—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity by observing bodies wholly or partially immersed in fluid materials by observing the depth of immersion of the bodies, e.g. hydrometers the body being built into a container
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Abstract
The invention relates to the technical field of medical instruments, in particular to an automatic urine specific gravity monitor, which comprises a shell, a display and a handle, wherein a urine collecting box and a specific gravity measuring box which are communicated through a pipeline are arranged in the shell, a flexible area is arranged on a top cover of the specific gravity measuring box, a pressure sensor is connected above the flexible area through a connecting mechanism, a buoyancy mechanism is arranged below the flexible area in a contact manner, a liquid inlet pipe communicated with the outside of the shell is arranged on the side wall of the specific gravity measuring box, a weighing sensor is arranged at the bottom end of the urine collecting box, and the urine flowing through module is separated from the measuring sensor module.
Description
Technical Field
The invention belongs to the technical field of medical appliances, and particularly relates to an automatic urine specific gravity monitor.
Background
Urine is a metabolic product discharged by a human body, and changes of the urine output of the human body and physical indexes of urine, particularly changes of urine specific gravity, are influenced by factors such as kidney diseases, blood pressure fluctuation and the like besides the water intake of the human body. Clinically, the method has important significance for accurately and timely monitoring the urine volume and specific gravity change of urination of a patient for a plurality of critical patients such as major hemorrhage, renal failure, major surgery and the like and timely knowing the state of the patient.
In the previous operation, the medical staff usually collect certain urine manually at regular intervals, measure specific gravity and record urine flow, and the convenience is poor.
Aiming at the problems, the Chinese patent is searched: a monitoring instrument (application number 201220458777.9, application day 2012-09-07) capable of dynamically monitoring urine flow and urine specific gravity, which discloses a monitoring instrument capable of dynamically monitoring urine flow and urine specific gravity. The dynamic urine monitor provided by the utility model comprises a shell, wherein a urine collecting device for storing urine, a pipeline for introducing urine and flowing into the urine collecting device and a measuring system for dynamically measuring the urine are arranged in the shell. The measuring system comprises a weighing measuring subsystem, a specific gravity measuring subsystem and an output and input module. The weighing measurement subsystem comprises a weighing sensor and a weighing information analog-to-digital conversion module, and the weighing sensor dynamically measures the weight of urine in the urine collecting device; the specific gravity measurement subsystem comprises a specific gravity sensor and a specific gravity information analog-to-digital conversion module, wherein the specific gravity sensor dynamically measures the specific gravity of urine and is connected in series on a pipeline at the upstream of the urine collecting device; and the output and input module is used for exchanging data between the information of the weighing information conversion module and the specific gravity information analog-to-digital conversion module and the outside.
However, the application has the disadvantages that: although this application has adopted automatic monitoring's mode of operation, owing to theory of operation's restriction, urine can directly flow through the measurement system of instrument, and the deposit of material in the urine leads to measurement system to need often wasing, if the clearance can not in time influence measurement accuracy or lead to the system to block up, influences convenient to use.
Disclosure of Invention
1. Technical problem to be solved by the invention
The invention aims to solve the problem of how to avoid direct contact between urine and a measurement system and improve the accuracy of the measurement system.
2. Technical proposal
In order to achieve the above purpose, the technical scheme provided by the invention is as follows: the utility model provides a urine proportion automatic monitor includes casing, display and handle all set up in the casing is outside, the inside collection urine box and the proportion measurement box that is provided with through the pipeline intercommunication of casing, the gravity measurement box top cap is provided with the flexible district, the flexible district top is connected with pressure sensor through coupling mechanism, flexible district below contact is provided with buoyancy mechanism, the gravity measurement box lateral wall be provided with the feed liquor pipe of the outside intercommunication of casing, collection urine box bottom is provided with weighing sensor, weighing sensor is used for detecting the gravity variation of collection urine box.
Preferably, the buoyancy mechanism comprises a floating block and a pressing rod, one end of the pressing rod is in contact with the flexible area, the other end of the pressing rod is connected with the floating block, a measuring cavity for accommodating the floating block is arranged in the specific gravity measuring box, a liquid outlet is formed in the position, higher than the floating block, of the side wall of the measuring cavity, and a liquid inlet is formed in the position, higher than the liquid outlet, of the side wall of the measuring cavity.
Preferably, the connecting mechanism comprises a connecting rod with one end arranged on the pressure sensor, and one end of the connecting rod far away from the pressure sensor is in abutting arrangement with the flexible area of the specific gravity measuring box; the top compression bar and the connecting bar on two sides of the flexible area are connected through magnetic force.
Preferably, the liquid outlet and the liquid inlet are arranged on two sides of the specific gravity measuring box, the liquid inlet is provided with a liquid inlet cavity in a covering mode, the liquid outlet is provided with a liquid outlet cavity in a covering mode, the liquid inlet pipe is arranged on one side, far away from the liquid inlet, of the liquid inlet cavity, and a connecting pipe is arranged between one side, far away from the liquid outlet, of the liquid outlet cavity and the urine collecting box.
Preferably, the connecting mechanism comprises a connecting rod with one end arranged on the pressure sensor, and one end of the connecting rod far away from the pressure sensor is in abutting arrangement with the flexible area of the specific gravity measuring box; the top of the gravity measuring box is provided with a box cover in a sealing manner, the box cover is provided with a movable hole, the flexible area is provided with a flexible film which is covered above the movable hole in a sealing manner, one end of the pressing rod, which is abutted against the flexible film, is sleeved with a rod cap, the pressing rod is in sliding fit with the rod cap, and the rod cap is arranged in the movable hole in a sliding manner; the pole cap and the connecting rod on two sides of the flexible film are connected through magnetic force.
Preferably, the connecting pipe comprises a first liquid guide pipe and a second liquid guide pipe, one end of the first liquid guide pipe is arranged at the lower half part of the side wall of the liquid outlet cavity, and the other end of the first liquid guide pipe is connected with the top end of the urine collecting box; one end of the second liquid guide tube is arranged at the upper half part of the side wall of the liquid outlet cavity, the horizontal height of the second liquid guide tube is lower than that of the liquid outlet, and the other end of the second liquid guide tube is connected with the top end of the urine collecting box.
Preferably, the product of the volume and the water density of the float is equal to the sum of the weights of the top pressure rod and the float.
Preferably, an observation cavity is formed in the middle section of the liquid inlet pipe, and the observation cavity is embedded in the outer portion of the shell.
3. Advantageous effects
Compared with the prior art, the technical scheme provided by the invention has the following beneficial effects:
The invention relates to an automatic urine specific gravity monitor which comprises a shell, a display and a handle, wherein the display and the handle are arranged outside the shell, a urine collecting box and a specific gravity measuring box which are communicated through a pipeline are arranged inside the shell, a flexible area is arranged on a top cover of the specific gravity measuring box, a pressure sensor is connected above the flexible area through a connecting mechanism, a buoyancy mechanism is arranged below the flexible area in a contact manner, a liquid inlet pipe which is communicated with the outside of the shell is arranged on the side wall of the specific gravity measuring box, a weighing sensor is arranged at the bottom end of the urine collecting box and used for detecting gravity change of the urine collecting box, urine flowing through modules and measuring sensor modules are separated, and the advantage that the accuracy of the measuring sensor modules is influenced by substance deposition in urine is achieved.
Drawings
FIG. 1 is a schematic view of the structure of the inside of the present invention;
FIG. 2 is a sectional view showing the construction of the gravity measuring case according to the present invention;
Fig. 3 is an enlarged schematic view of the structure of the gravity measuring box according to the present invention.
Reference numerals in the schematic drawings illustrate:
1. A housing; 2. a display; 3. a handle; 100. a specific gravity measuring box; 110. a flexible region; 120. a buoyancy mechanism; 121. a floating block; 122. a pressing rod is pressed; 123. a pole cap; 130. a measurement cavity; 131. a liquid outlet; 132. a liquid inlet; 140. a liquid inlet cavity; 150. a liquid outlet cavity; 160. a liquid inlet pipe; 161. an observation cavity; 170. a box cover; 200. a urine collection box; 210. a connecting pipe; 211. a first catheter; 212. a second catheter; 300. a pressure sensor; 310. a connecting mechanism; 311. a connecting rod; 312. a magnet base; 400. a load cell.
Detailed Description
In order that the invention may be readily understood, a more particular description of the invention will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings, in which, however, the invention may be embodied in many different forms and are not limited to the embodiments described herein, but are instead provided for the purpose of providing a more thorough and complete disclosure of the invention.
It will be understood that when an element is referred to as being "mounted" on another element, it can be directly on the other element or intervening elements may also be present; when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present; the terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs; the terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention; the term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
Example 1
Referring to fig. 1, this embodiment provides a technical solution: the utility model provides an automatic monitor of urine proportion includes casing 1, display 2 and handle 3 all set up in the casing 1 is outside, display 2 is used for showing measuring result in real time, just display 2 is 30 to 60 slope settings with ground, the operating personnel of being convenient for observe display 2, handle 3 collapsible set up in casing 1 back, casing 1 bottom is provided with the gyro wheel, the removal of being convenient for the monitor.
The inside urine collection box 200 and the specific gravity measurement box 100 that are provided with through the pipeline intercommunication of casing 1 for patient's urine only in urine collection box 200 with the circulation of specific gravity measurement box 100 is interior, urine collection box 200 with specific gravity measurement box 100 all can dismantle set up in inside casing 1, specific gravity measurement box 100 top cap is provided with flexible district 110, flexible district 110 top is connected with pressure sensor 300 through coupling mechanism 310, flexible district 110 below contact is provided with buoyancy mechanism 120, the specific gravity measurement box 100 lateral wall be provided with the feed liquor pipe 160 of the outside intercommunication of casing 1, urine collection box 200 bottom is provided with weighing sensor 400, weighing sensor 400 is used for detecting the gravity change of urine collection box 200.
In use, urine from a patient enters the gravity measurement box 100 through the liquid inlet pipe 160, so that the buoyancy mechanism 120 in the gravity measurement box 100 floats and pushes against the flexible area 110, and meanwhile, the buoyancy force is transmitted to the pressure sensor 300 through the connecting mechanism 310, the pressure sensor 300 measures the buoyancy force of the urine on the buoyancy mechanism 120, and the urine specific gravity value of the urine from the patient is calculated by the following formula and displayed on the display 2:
X＝F/Vρ
Wherein: x is the urine specific gravity value of urine; f is buoyancy; v is the volume of liquid displaced by buoyancy mechanism 120; ρ is the density of water.
After flowing through the gravity measuring box 100, urine flows into the urine collecting box 200, the weighing sensor 400 at the bottom end of the urine collecting box 200 measures the gravity change of the urine collecting box 200 to obtain the weight change of the urine, and the weight change of the urine is multiplied by the urine gravity value calculated by the pressure sensor 300 to calculate the change trend of the urine flow, and finally the weighing sensor 400 displays the change trend of the urine flow in the display 2.
In a preferred solution, the buoyancy mechanism 120 includes a floating block 121 and a top pressing rod 122, one end of the top pressing rod 122 is in contact with the flexible area 110, the other end of the top pressing rod is connected with the floating block 121, a measurement cavity 130 containing the floating block 121 is provided in the gravity measurement box 100, a liquid outlet 131 is provided at a position where a side wall of the measurement cavity 130 is higher than the floating block 121, so that when the measurement cavity 130 is filled with urine, the floating block 121 can be completely immersed by the urine, and in a process of calculating a urine specific gravity value, a volume of the floating block 121 is equal to a volume of the liquid discharged by the buoyancy mechanism 120, and a liquid inlet 132 is provided at a position where the side wall of the measurement cavity 130 is higher than the liquid outlet 131.
In a preferred embodiment, the connection mechanism 310 includes a connection rod 311 having one end disposed on the pressure sensor 300, and one end of the connection rod 311 away from the pressure sensor 300 is disposed in contact with the flexible region 110 of the gravity measuring box 100; the top pressing bars 122 and the connecting bars 311 at both sides of the flexible region 110 are connected by magnetic force. The connecting rod 311 is close to the fixed magnet seat 312 that is provided with of one end of flexible district 110, the parcel of magnet seat 312 is provided with the permanent magnet, the roof pressure pole 122 is close to the one end of flexible district 110 adopts ferromagnetic material or the permanent magnet setting opposite with the magnetic pole, makes roof pressure pole 122 with connecting rod 311 is fixed in through magnetic force the both sides of flexible district 110.
In a preferred solution, the liquid outlet 131 and the liquid inlet 132 are disposed on two sides of the specific gravity measurement box 100, the liquid inlet 132 is provided with a liquid inlet cavity 140 in a covering manner, the liquid outlet 131 is provided with a liquid outlet cavity 150 in a covering manner, and the liquid inlet pipe 160 is disposed on one side of the liquid inlet cavity 140 away from the liquid inlet 132, so that the urine with unstable inlet rate of the liquid inlet pipe 160 can be buffered in the liquid inlet cavity 140, and the urine entering from the liquid inlet pipe 160 is prevented from impacting the floating block 121, so that the measured and calculated value of the pressure sensor 300 is greatly changed, and the measurement accuracy and stability of the pressure sensor 300 are affected; a connecting pipe 210 is disposed between the side of the liquid outlet cavity 150 away from the liquid outlet 131 and the urine collecting box 200. The liquid outlet cavity 150 is used for buffering the urine flowing out from the liquid outlet 131, so that the urine flowing into the urine collecting box 200 from the gravity measuring box 100 is more stable, and the gravity change measurement of the urine collecting box 200 by the weighing sensor 400 is more stable.
In a preferred embodiment, the connection tube 210 includes a first catheter 211 and a second catheter 212, wherein one end of the first catheter 211 is disposed at the lower half portion of the sidewall of the liquid outlet chamber 150, and the other end is connected to the top end of the urine collection box 200; one end of the second liquid guiding tube 212 is disposed at the upper half of the side wall of the liquid outlet cavity 150, and has a lower level than the liquid outlet 131, and the other end is connected to the top end of the urine collecting box 200. The first liquid guiding tube 211 and the second liquid guiding tube 212 with different heights are adopted, when the urine volume is small, only the first liquid guiding tube 211 is needed to guide liquid, and when the urine liquid level in the liquid outlet cavity 150 rises rapidly, the first liquid guiding tube 211 and the second liquid guiding tube 212 can guide out the urine in the liquid outlet cavity 150 at the same time, so that the urine in the liquid outlet cavity 150 is prevented from flowing back into the measuring cavity 130 due to excessive urine.
In a preferred embodiment, an observation cavity 161 is disposed in the middle section of the liquid inlet pipe 160, and the observation cavity 161 is embedded in the outside of the housing 1. The observation cavity 161 is convenient for an operator to observe the condition of urine flowing into the detector from the liquid inlet pipe 160.
Example 2
Referring to fig. 1 to 3, this embodiment adopts substantially the same scheme as embodiment 1, except that: the connecting mechanism 310 comprises a connecting rod 311 with one end arranged on the pressure sensor 300, and one end of the connecting rod 311 far away from the pressure sensor 300 is in abutting arrangement with the flexible area 110 of the gravity measuring box 100; the top of the specific gravity measuring box 100 is provided with a box cover 170 in a sealing manner, the box cover 170 is fixedly arranged on the inner wall of the shell 1, and the body of the specific gravity measuring box 100 is in detachable airtight connection with the box cover 170. Meanwhile, the box cover 170 is provided with a movable hole, the flexible area 110 is provided with a flexible film which is covered above the movable hole in a sealing manner, the flexible film has the advantages of good flexibility and good sealing performance, the urine is isolated from the pressure sensor 300, meanwhile, the influence of elasticity generated by deformation of the flexible film on the measurement precision of the pressure sensor 300 is reduced, a rod cap 123 is sleeved at one end of the push rod 122, which is abutted against the flexible film, the push rod 122 is slidably matched with the rod cap 123, and the rod cap 123 is slidably arranged in the movable hole; the rod caps 123 and the connection rods 311 at both sides of the flexible film are connected by magnetic force. The magnetic force sensor is characterized in that a magnet seat 312 is fixedly arranged at one end of the connecting rod 311, which is close to the flexible film, a permanent magnet is wrapped by the magnet seat 312, the rod cap 123 is made of ferromagnetic materials or is arranged by a permanent magnet with opposite magnetic poles, so that the top pressure rod 122 and the rod cap 123 are fixed on two sides of the flexible film through magnetic force, the rod cap 123 and the connecting rod 311 are kept on the same straight line under the limit action of the movable hole, the top pressure rod 122 is slidably arranged in the rod cap 123, on one hand, the rod cap 123 has the limit action on the top pressure rod 122, so that the top pressure rod 122 and the connecting rod 311 are kept on the same straight line in the floating process, the buoyancy is conveniently conducted to the pressure sensor 300, and the measurement precision and the temperature of the pressure sensor 300 are improved; on the other hand, the pressing rod 122 and the rod cap 123 are slidably disposed, so that the gravity measuring box 100 can be easily disassembled.
In a preferred embodiment, the product of the volume and the water density of the floating block 121 is equal to the sum of the weights of the top pressing rod 122 and the floating block 121. So that when the urine does not submerge the floating block 121, the floating block 121 will not float, so that when the urine does not submerge the floating block 121, the pressure sensor 300 is prevented from calculating and measuring the buoyancy of the floating block 121, so that error information is displayed in the display 2, the judgment of an operator is affected, meanwhile, the calculation process is simplified, and in the calculation process, the urine specific gravity value can be obtained only by dividing the pressure measured by the pressure sensor 300 by the volume of the floating block 121 and adding one.
The foregoing examples merely illustrate certain embodiments of the invention and are described in more detail and are not to be construed as limiting the scope of the invention; it should be noted that it is possible for a person skilled in the art to make several variants and modifications without departing from the concept of the invention, all of which fall within the scope of protection of the invention; accordingly, the scope of protection of the present invention is to be determined by the appended claims.
Claims (5)
1. The utility model provides an automatic monitor of urine proportion, includes casing (1), display (2) and handle (3) all set up in the casing (1) is outside, its characterized in that:
The urine collecting box (200) and the specific gravity measuring box (100) which are communicated through a pipeline are arranged in the shell (1), the urine collecting box and the specific gravity measuring box are detachably arranged in the shell, and urine only flows in the urine collecting box and the specific gravity measuring box;
The top cover of the gravity measuring box (100) is provided with a flexible area (110), and a pressure sensor (300) is connected above the flexible area (110) through a connecting mechanism (310);
The connecting mechanism (310) comprises a connecting rod (311) with one end arranged on the pressure sensor (300), and one end, far away from the pressure sensor (300), of the connecting rod (311) is in abutting arrangement with the flexible zone (110) of the specific gravity measuring box (100); the top of the specific gravity measurement box (100) is provided with a box cover (170) in a sealing manner, the box cover (170) is provided with a movable hole, the flexible area (110) is provided with a flexible film which is covered above the movable hole in a sealing manner, one end of the pressing rod (122) which is abutted against the flexible film is sleeved with a rod cap (123), the pressing rod (122) is in sliding fit with the rod cap (123), and the rod cap (123) is arranged in the movable hole in a sliding manner; the pole cap (123) and the connecting pole (311) on the two sides of the flexible film are connected by magnetic force
A buoyancy mechanism (120) is arranged below the flexible area (110) in a contact manner, and a liquid inlet pipe (160) communicated with the outside of the shell (1) is arranged on the side wall of the specific gravity measurement box (100);
The buoyancy mechanism (120) comprises a floating block (121) and a top pressing rod (122), one end of the top pressing rod (122) is in contact with the flexible area (110), the other end of the top pressing rod is connected with the floating block (121), a measuring cavity (130) for accommodating the floating block (121) is arranged in the specific gravity measuring box (100), a liquid outlet (131) is formed in the position, higher than the floating block (121), of the side wall of the measuring cavity (130), and a liquid inlet (132) is formed in the position, higher than the liquid outlet (131), of the side wall of the measuring cavity (130);
The bottom end of the urine collection box (200) is provided with a weighing sensor (400), and the weighing sensor (400) is used for detecting gravity change of the urine collection box (200).
2. The automatic urine specific gravity monitor according to claim 1, wherein:
The utility model discloses a urine collection box, including liquid inlet (150), liquid inlet (132), liquid outlet (131) with liquid inlet (132) set up in the both sides of gravity measurement box (100), just liquid inlet (132) cover is provided with feed liquor chamber (140), liquid outlet (131) cover is provided with out liquid chamber (150), feed liquor pipe (160) set up in liquid inlet (140) keep away from one side of liquid inlet (132), liquid outlet (150) keep away from one side of liquid outlet (131) with be provided with connecting pipe (210) between urine collection box (200).
3. The automatic urine specific gravity monitor according to claim 2, wherein:
the connecting pipe (210) comprises a first liquid guide pipe (211) and a second liquid guide pipe (212), one end of the first liquid guide pipe (211) is arranged at the lower half part of the side wall of the liquid outlet cavity (150), and the other end of the first liquid guide pipe is connected with the top end of the urine collecting box (200); one end of the second liquid guide tube (212) is arranged at the upper half part of the side wall of the liquid outlet cavity (150) and the horizontal height of the second liquid guide tube is lower than that of the liquid outlet (131), and the other end of the second liquid guide tube is connected with the top end of the urine collecting box (200).
4. The automatic urine specific gravity monitor according to claim 1, wherein:
the product of the volume and the water density of the floating block (121) is equal to the sum of the gravity of the top pressure rod (122) and the floating block (121).
5. The automatic urine specific gravity monitor according to claim 1, wherein:
the middle section of the liquid inlet pipe (160) is provided with an observation cavity (161), and the observation cavity (161) is embedded in the outer part of the shell (1).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110200961.7A CN113075085B (en) | 2021-02-23 | 2021-02-23 | Automatic urine specific gravity monitor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110200961.7A CN113075085B (en) | 2021-02-23 | 2021-02-23 | Automatic urine specific gravity monitor |
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| CN113075085B true CN113075085B (en) | 2024-06-07 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113504150B (en) * | 2021-07-07 | 2024-03-15 | 巨翊医疗科技(苏州)有限公司 | Dynamic detector for specific gravity of liquid and dynamic detection method |
| CN115112909B (en) * | 2022-06-27 | 2023-05-16 | 江西康唛迪生物科技有限公司 | Dynamic urine monitor |
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| CN113075085A (en) | 2021-07-06 |
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