CN106932561B - A kind of automatic moisture detection device in hemodialysis machine - Google Patents
A kind of automatic moisture detection device in hemodialysis machine Download PDFInfo
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- CN106932561B CN106932561B CN201710320569.XA CN201710320569A CN106932561B CN 106932561 B CN106932561 B CN 106932561B CN 201710320569 A CN201710320569 A CN 201710320569A CN 106932561 B CN106932561 B CN 106932561B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/48—Biological material, e.g. blood, urine; Haemocytometers
- G01N33/483—Physical analysis of biological material
- G01N33/487—Physical analysis of biological material of liquid biological material
- G01N33/49—Blood
- G01N33/491—Blood by separating the blood components
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Abstract
The invention discloses a kind of automatic moisture detection device in hemodialysis machine, including transparent shell and transparent conduit, the inside of the transparent shell is partitioned into the first accommodating chamber and the second accommodating chamber, semi-permeable membrane is installed on the mounting hole of the lower partition, the trailing flank top of transparent shell is fixed with storage case, the upper end of transparent shell is fixed with upper cover, successively battery, display screen, control switch and single-chip microcontroller from front to back on the left of the upper surface of upper cover, it can quickly detect that the moisture content in blood, structure are simple；Semi-permeable membrane only allows moisture to pass through, moisture is moved in the first accommodating chamber from the second accommodating chamber through semi-permeable membrane, the decline of transparent conduit fluid column, floating ball declines with liquid level, the different haemoconcentrations and floating ball movement speed curve comparison that single-chip microcontroller will store in floating ball mobile rate curve and the memory of single-chip microcontroller, it is at low cost, measurement accuracy is high, small in size.
Description
Technical field
The present invention relates to the field of medical instrument technology, specially a kind of automatic moisture detection device in hemodialysis machine.
Background technique
Currently, environmental pollution is serious, people's invasion by various diseases.Kidney failure is one of especially severe
Disease.Patient needs the health that hemodialysis is done by hospital or kidney transplantation could maintain body.And due to the in short supply and kidney transplantation in kidney source
Expensive payment for medical care, most people can only select to do hemodialysis.Doing hemodialysis is exactly by the noxious material and superfluous water in blood of human body
Divide and is excreted by hemodialysis instrument.But existing hemodialysis instrument can not detect the moisture content in blood, can only do blood according to patient
Standard weight before thoroughly in oneself weight and archives subtracts each other how much moisture obtained in vivo mostly.This method is not only inconvenient,
And with the difference in season, the clothes and portable thing that people wear can all influence the accurate judgement of moisture.Moisture
It has taken out and will cause the discomfort of body, moisture takes out the effect for having lacked and being not achieved treatment.This patient for doing hemodialysis to many brings
Puzzlement and dangerous.
Summary of the invention
The technical problem to be solved by the present invention is to overcome the existing defects, provides in a kind of hemodialyzer and detects water automatically
Separating device can quickly detect that the moisture content in blood, structure are simple；Semi-permeable membrane only allows moisture to pass through, and moisture is from
Two accommodating chambers are moved in the first accommodating chamber through semi-permeable membrane, and transparent conduit fluid column decline, floating ball declines with liquid level, and single-chip microcontroller will float
The different haemoconcentrations and floating ball movement speed curve comparison stored in ball mobile rate curve and the memory of single-chip microcontroller, at
This is low, measurement accuracy is high, small in size, can effectively solve the problems in background technique.
To achieve the above object, the invention provides the following technical scheme: detecting moisture dress in a kind of hemodialyzer automatically
It sets, including transparent shell and transparent conduit, the inside of the transparent shell is partitioned into the first accommodating chamber and second and accommodates
Chamber is equipped with semi-permeable membrane on the mounting hole of the lower partition, and the trailing flank top of transparent shell is fixed with storage case, transparent shell
Upper end is fixed with upper cover, successively battery, display screen, control switch and single-chip microcontroller from front to back on the left of the upper surface of upper cover, on
The position of corresponding first accommodating chamber in the upper surface of lid is fixed with the second rubber stopper and unidirectional air outlet valve, the upper surface of upper cover corresponding the
The position of two accommodating chambers is fixed with the first rubber stopper, and the middle position on rear side of upper cap upper surface is from left to right successively fixed with branch
Plate, bearing and transparent conduit, the upper end of supporting plate are fixed with transverse slat, and the lower surface of transverse slat is fixed with stepper motor, stepper motor
Output shaft is fixedly connected with the upper end of screw rod, and the lower end of screw rod is fixedly connected with bearing, and the flank threads of screw rod are connected with sliding block,
The right side of sliding block is fixed with photoelectric sensor, transparent conduit and the connection of the second accommodating chamber, and the inside of transparent conduit is equipped with floating ball,
The bottom end of transparent conduit is fixed with cross bar, and the liquid outlet of transparent conduit side surface upper part is connected by the inlet of conduit and storage case
Logical, single-chip microcontroller is electrically connected with display screen, control switch and photoelectric sensor respectively, and control switch is electric with battery and stepping respectively
Mechatronics.
As a preferred technical solution of the present invention, the upper end of the transparent shell is equipped with bulge loop, and the upper end of bulge loop is solid
Surely there is rubber washer, the position that the lower end of upper cover corresponds to bulge loop is equipped with groove, groove and bulge loop clamping.
As a preferred technical solution of the present invention, the upper end of the partition is fixed with rubber filler strip.
As a preferred technical solution of the present invention, the transparent conduit and photoelectric sensor are correspondingly arranged.
As a preferred technical solution of the present invention, the left side of the sliding block and the right side of supporting plate are slidably connected.
Compared with prior art, the beneficial effects of the present invention are: this automatic moisture detection device in hemodialysis machine, energy are fast
The moisture content of speed detected in blood, structure are simple；Semi-permeable membrane only allows moisture to pass through, and moisture is from the second accommodating chamber through half
Permeable membrane is moved in the first accommodating chamber, and transparent conduit fluid column decline, floating ball declines with liquid level, the single-chip microcontroller speed that floating ball is mobile
The different haemoconcentrations and floating ball movement speed curve comparison stored in curve and the memory of single-chip microcontroller, at low cost, measurement essence
Degree is high, small in size.
Detailed description of the invention
Fig. 1 is main view the schematic diagram of the section structure of the present invention；
Fig. 2 is structure enlargement diagram at A of the present invention.
In figure: 1 single-chip microcontroller, 2 control switches, 3 display screens, 4 batteries, 5 first accommodating chambers, 6 partitions, 7 semi-permeable membranes, 8
Two accommodating chambers, 9 transparent shells, 10 upper covers, 11 first rubber stoppers, 12 storage cases, 13 bearings, 14 supporting plates, 15 conduits, 16 floating balls,
17 transparent conduits, 18 stepper motors, 19 unidirectional air outlet valves, 20 second rubber stoppers, 21 transverse slats, 22 photoelectric sensors, 23 sliding blocks, 24
Screw rod, 25 cross bars.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
The present invention provides a kind of technical solution referring to FIG. 1-2: a kind of automatic moisture detection device in hemodialysis machine,
Including transparent shell 9 and transparent conduit 17, the inside of transparent shell 9 is divided into the first accommodating chamber 5 and the second accommodating chamber by partition 6
8, semi-permeable membrane 7 is installed on the mounting hole of 6 lower part of partition, the trailing flank top of transparent shell 9 is fixed with storage case 12, hyaline test
The upper end of body 9 is fixed with upper cover 10, and the upper end of transparent shell 9 is equipped with bulge loop, and the upper end of bulge loop is fixed with rubber washer, upper cover 10
Lower end correspond to bulge loop position be equipped with groove, groove and bulge loop clamping, the upper end of partition 6 is fixed with rubber filler strip, rubber mat item
With rubber washer the first accommodating chamber 5 and the second accommodating chamber 8 are sealed, successively electric power storage from front to back on the left of the upper surface of upper cover 10
The position of pond 4, display screen 3, control switch 2 and single-chip microcontroller 1, corresponding first accommodating chamber 5 in the upper surface of upper cover 10 is fixed with second
Rubber stopper 20 and unidirectional air outlet valve 19, unidirectional air outlet valve 19 make in the first accommodating chamber 5 that air pressure is identical as external pressure, prevent
The position of the precision of effects of air pressure measurement data, corresponding second accommodating chamber 8 in the upper surface of upper cover 10 is fixed with the first rubber stopper 11,
Middle position on rear side of 10 upper surface of upper cover is from left to right successively fixed with supporting plate 14, bearing 13 and transparent conduit 17, supporting plate 14
Upper end be fixed with transverse slat 21, the lower surface of transverse slat 21 is fixed with stepper motor 18, the output shaft and screw rod 24 of stepper motor 18
Upper end be fixedly connected, the lower end of screw rod 24 is fixedly connected with bearing 13, and the flank threads of screw rod 24 are connected with sliding block 23, sliding block
23 left side and the right side of supporting plate 14 are slidably connected, and the right side of sliding block 23 is fixed with photoelectric sensor 22, transparent conduit
17 and photoelectric sensor 22 be correspondingly arranged, transparent conduit 17 is connected to the second accommodating chamber 8, and the inside of transparent conduit 17 is equipped with floating ball
16, the bottom end of transparent conduit 17 is fixed with cross bar 25, and the liquid outlet of 17 side surface upper part of transparent conduit passes through conduit 15 and storage case
12 inlet connection, storage case 12 will inject the extra portion collection of distilled water of the second accommodating chamber 8, single-chip microcontroller 1 respectively with
Display screen 3, control switch 2 and photoelectric sensor 22 are electrically connected, and control switch 2 is electrically connected with battery 4 and stepper motor 18 respectively
It connects, 7 permission moisture of semi-permeable membrane pass through, and moisture is moved in the first accommodating chamber 5 from the second accommodating chamber 8 through semi-permeable membrane 7, transparent to lead
The decline of 17 fluid column of pipe, floating ball 16 decline with liquid level, the memory of rate curve and single-chip microcontroller 1 that single-chip microcontroller 1 moves floating ball 16
The different haemoconcentrations of middle storage and 16 movement speed curve comparison of floating ball, it is at low cost, measurement accuracy is high, small in size, it can be quickly
The moisture content detected in blood, structure is simple.
When in use: control switch 2 is equipped with button corresponding with stepper motor 18, and staff passes through control switch 2
It controls stepper motor 18 to work, stepper motor 18 drives the rotation of screw rod 24 to move down on photoelectric sensor 22 and sliding block 23 to drive
Dynamic, photoelectric sensor 22 is moved to the height with 17 side surface upper part liquid outlet of transparent conduit, will set the blood of volume by the
Two rubber stoppers 20 are injected into the first accommodating chamber 5, while distilled water is injected into the second accommodating chamber 8 by the first rubber stopper 11
In, so that floating ball 16 is located at the liquid outlet of 17 side surface upper part of transparent conduit, 7 permission moisture of semi-permeable membrane pass through, due to semi-permeable membrane 7
The moisture content of the left and right sides is different, and moisture is moved in the first accommodating chamber 5 from the second accommodating chamber 8 through semi-permeable membrane 7, transparent conduit
The decline of 17 fluid columns, floating ball 16 decline with liquid level, and single-chip microcontroller 1 detects the mobile speed of floating ball 16, monolithic by photoelectric sensor 22
Machine 1 controls stepper motor 18 by control switch 2 and works, so that photoelectric sensor 22 follows floating ball 16 mobile, single-chip microcontroller 1 will be floated
The different haemoconcentrations and 16 movement speed curve pair of floating ball stored in ball 16 mobile rate curve and the memory of single-chip microcontroller 1
Than haemoconcentration is transferred on display screen 3 and shows by single-chip microcontroller 1.
The present invention can quickly detect that the moisture content in blood, structure are simple；7 permission moisture of semi-permeable membrane pass through,
Moisture is moved in the first accommodating chamber 5 from the second accommodating chamber 8 through semi-permeable membrane 7, and the decline of 17 fluid column of transparent conduit, floating ball 16 is with liquid level
Decline, the different haemoconcentrations and floating ball that single-chip microcontroller 1 will store in floating ball 16 mobile rate curve and the memory of single-chip microcontroller 1
16 movement speed curve comparisons, it is at low cost, measurement accuracy is high, small in size.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (4)
1. a kind of automatic moisture detection device in hemodialysis machine, including transparent shell (9) and transparent conduit (17), feature exists
The first accommodating chamber (5) and the second accommodating chamber (8) are divided by partition (6) in: the inside of the transparent shell (9), under partition (6)
It is equipped on the mounting hole in portion semi-permeable membrane (7), the trailing flank top of transparent shell (9) is fixed with storage case (12), transparent shell
(9) upper end is fixed with upper cover (10), on the left of the upper surface of upper cover (10) from front to back successively battery (4), display screen (3),
The position of control switch (2) and single-chip microcontroller (1), the upper surface corresponding first accommodating chamber (5) of upper cover (10) is fixed with the second rubber
(20) and unidirectional air outlet valve (19) are filled in, the position of the upper surface corresponding second accommodating chamber (8) of upper cover (10) is fixed with the first rubber
It fills in (11), the middle position on rear side of upper cover (10) upper surface is from left to right successively fixed with supporting plate (14), bearing (13) and transparent
Conduit (17), the upper end of supporting plate (14) are fixed with transverse slat (21), and the lower surface of transverse slat (21) is fixed with stepper motor (18), stepping
The output shaft of motor (18) is connected with the upper end of screw rod (24), the lower end of screw rod (24) and bearing (13) connection, screw rod (24)
Flank threads are connected with sliding block (23), and the right side of sliding block (23) is fixed with photoelectric sensor (22), transparent conduit (17) and
The inside of two accommodating chambers (8) connection, transparent conduit (17) is equipped with floating ball (16), and the bottom end of transparent conduit (17) is fixed with cross bar
(25), the liquid outlet of transparent conduit (17) side surface upper part is connected to by conduit (15) with the inlet of storage case (12), single-chip microcontroller
(1) be electrically connected respectively with display screen (3), control switch (2) and photoelectric sensor (22), control switch (2) respectively with battery
(4) it is electrically connected with stepper motor (18), the transparent conduit (17) and photoelectric sensor (22) are correspondingly arranged.
2. a kind of automatic moisture detection device in hemodialysis machine according to claim 1, it is characterised in that: described transparent
The upper end of shell (9) is equipped with bulge loop, and the upper end of bulge loop is fixed with rubber washer, and the position that the lower end of upper cover (10) corresponds to bulge loop is set
It is fluted, groove and bulge loop clamping.
3. a kind of automatic moisture detection device in hemodialysis machine according to claim 1, it is characterised in that: the partition
(6) upper end is fixed with rubber filler strip.
4. a kind of automatic moisture detection device in hemodialysis machine according to claim 1, it is characterised in that: the sliding block
(23) right side of left side and supporting plate (14) is slidably connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710320569.XA CN106932561B (en) | 2017-05-09 | 2017-05-09 | A kind of automatic moisture detection device in hemodialysis machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710320569.XA CN106932561B (en) | 2017-05-09 | 2017-05-09 | A kind of automatic moisture detection device in hemodialysis machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106932561A CN106932561A (en) | 2017-07-07 |
| CN106932561B true CN106932561B (en) | 2019-07-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710320569.XA Expired - Fee Related CN106932561B (en) | 2017-05-09 | 2017-05-09 | A kind of automatic moisture detection device in hemodialysis machine |
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| CN (1) | CN106932561B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110954649A (en) * | 2019-12-19 | 2020-04-03 | 攀枝花钢企欣宇化工有限公司 | Simple device and method for quickly judging liquid concentration |
| CN113804677A (en) * | 2021-09-16 | 2021-12-17 | 杨兴红 | Rapid detection kit for pH of aquaculture water |
| CN114534807A (en) * | 2022-02-23 | 2022-05-27 | 浙江三龙催化剂有限公司 | A experiment cup for detecting chemical solution concentration |
| CN116519922B (en) * | 2023-07-05 | 2023-09-29 | 济南市第三人民医院 | Blood water content detection device in hemodialysis process |
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|---|---|---|---|---|
| US6337049B1 (en) * | 1998-08-28 | 2002-01-08 | Yehuda Tamari | Soft shell venous reservoir |
| JP4053154B2 (en) * | 1998-09-16 | 2008-02-27 | 株式会社クラレ | Blood treatment device with improved water removal control accuracy |
| CN102466680A (en) * | 2010-11-16 | 2012-05-23 | 如皋市白蒲镇润泽服饰厂 | Automatic moisture detection device in hemodialysis machine |
| EP2388030B1 (en) * | 2010-05-20 | 2013-08-07 | B. Braun Avitum AG | Kidney substitution device to automate blood sampling procedure in a kidney substitution treatment machine |
| CN103845769A (en) * | 2012-11-29 | 2014-06-11 | 珠海弘陞生物科技开发有限公司 | Multifunctional blood purification device and blood purification method using same |
| CN106573094A (en) * | 2014-02-24 | 2017-04-19 | 博通分离膜技术（北京）有限公司 | Systems for utilizing the water content in fluid from a renal replacement therapy process |
-
2017
- 2017-05-09 CN CN201710320569.XA patent/CN106932561B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6337049B1 (en) * | 1998-08-28 | 2002-01-08 | Yehuda Tamari | Soft shell venous reservoir |
| JP4053154B2 (en) * | 1998-09-16 | 2008-02-27 | 株式会社クラレ | Blood treatment device with improved water removal control accuracy |
| EP2388030B1 (en) * | 2010-05-20 | 2013-08-07 | B. Braun Avitum AG | Kidney substitution device to automate blood sampling procedure in a kidney substitution treatment machine |
| CN102466680A (en) * | 2010-11-16 | 2012-05-23 | 如皋市白蒲镇润泽服饰厂 | Automatic moisture detection device in hemodialysis machine |
| CN103845769A (en) * | 2012-11-29 | 2014-06-11 | 珠海弘陞生物科技开发有限公司 | Multifunctional blood purification device and blood purification method using same |
| CN106573094A (en) * | 2014-02-24 | 2017-04-19 | 博通分离膜技术（北京）有限公司 | Systems for utilizing the water content in fluid from a renal replacement therapy process |
Non-Patent Citations (2)
| Title |
|---|
| Assessment of Dry Weight in Hemodialysis: An Overview;JACK Q. JAEGER et al;<J Am Soc Nephrol>;19991231;全文 |
| Precise Measurement of Total Body Water Using Trace Quantities of Deuterium Oxide;D. Halliday et al;<BIOMEDICAL MASS SPECTROMETRY>;19771231;第4卷(第2期);全文 |
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| CN106932561A (en) | 2017-07-07 |
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| TA01 | Transfer of patent application right | ||
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Effective date of registration: 20180608 Address after: 266000 a section of 4024 building, unit two, building 1, East hupeng Xinyuan garden, Chengyang District, Qingdao, Shandong. Applicant after: The People's Hospital, Chengyang District, Qingdao City Address before: 266000 a section of 4024 building, unit two, building 1, East hupeng Xinyuan garden, Chengyang District, Qingdao, Shandong. Applicant before: Li Shuyuan |
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Granted publication date: 20190719 Termination date: 20210509 |