CN112274128B - Blood flow measuring device - Google Patents
Blood flow measuring device Download PDFInfo
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- CN112274128B CN112274128B CN202011543966.1A CN202011543966A CN112274128B CN 112274128 B CN112274128 B CN 112274128B CN 202011543966 A CN202011543966 A CN 202011543966A CN 112274128 B CN112274128 B CN 112274128B
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- 230000017531 blood circulation Effects 0.000 title claims abstract description 40
- 238000001514 detection method Methods 0.000 claims abstract description 50
- 238000006073 displacement reaction Methods 0.000 claims description 10
- 210000004369 blood Anatomy 0.000 abstract description 23
- 239000008280 blood Substances 0.000 abstract description 23
- 238000000034 method Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 7
- 210000000601 blood cell Anatomy 0.000 description 4
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 206010011409 Cross infection Diseases 0.000 description 2
- 206010029803 Nosocomial infection Diseases 0.000 description 2
- 210000001772 blood platelet Anatomy 0.000 description 2
- 230000036772 blood pressure Effects 0.000 description 2
- 210000004027 cell Anatomy 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 210000003743 erythrocyte Anatomy 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 210000000265 leukocyte Anatomy 0.000 description 2
- 210000002381 plasma Anatomy 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 230000000157 blood function Effects 0.000 description 1
- 210000004204 blood vessel Anatomy 0.000 description 1
- 230000036760 body temperature Effects 0.000 description 1
- 230000003915 cell function Effects 0.000 description 1
- 230000007123 defense Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 230000003204 osmotic effect Effects 0.000 description 1
- 210000004180 plasmocyte Anatomy 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/02—Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
- A61B5/026—Measuring blood flow
- A61B5/0285—Measuring or recording phase velocity of blood waves
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/02—Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
- A61B5/021—Measuring pressure in heart or blood vessels
- A61B5/0215—Measuring pressure in heart or blood vessels by means inserted into the body
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/02—Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
- A61B5/026—Measuring blood flow
Abstract
The invention relates to the technical field of blood detection, and discloses a blood flow measuring device which comprises a bottom plate, wherein clamping rings are arranged on the left side and the right side of the upper surface of the bottom plate, the middle parts of the clamping rings are clamped with the left side and the right side of a detection hose, connectors are arranged at the left end and the right end of the detection hose, a sliding groove is arranged on the rear side of the bottom plate, the left side and the right side of the sliding groove are connected with a first sliding block in a sliding mode, a second supporting column is arranged on the front side of the upper surface of the first sliding block, the upper part of the second supporting column is connected with a second sliding seat in a sliding mode, the front end of the second sliding seat is connected with a sliding rod in a sliding mode, a supporting roller is arranged at the upper end of the sliding rod, a pressing roller is arranged at the lower end of the sliding rod, a rotating seat is arranged. The invention is suitable for a blood flow measuring device, and the blood flow speed detection is realized by introducing the blood into a detection hose.
Description
Technical Field
The invention relates to the technical field of blood detection, in particular to a blood flow measuring device.
Background
Blood is a red, opaque, viscous liquid that flows in human blood vessels and the heart. The blood is composed of plasma and blood cells, wherein one liter of plasma contains 900-910 g of water, 65-85 g of protein and 20 g of low molecular substances, the low molecular substances contain various electrolytes and organic compounds, and the blood cells comprise three types of cells, namely red blood cells, white blood cells and platelets. The average life span of red blood cells is 120 days, the life span of white blood cells is 9-13 days, and the life span of platelets is 8-9 days. In general, 40ml of blood cells per person per day are senesced and dead. At the same time, a corresponding number of cells are newly formed. The blood functions comprise two parts of blood cell function and blood plasma function, and have four functions of transportation, human body temperature regulation, defense, human body osmotic pressure regulation and acid-base balance.
In the medical detection process, various indexes of blood can well show the physical condition of a patient, however, in some existing blood detection equipment, blood needs to be introduced into the equipment, on one hand, the blood flows through different detection devices in the equipment, so that the resistance of the blood flow is increased, the burden is caused to a human body, and meanwhile, the blood which is introduced out works in the equipment, so that the problem of secondary pollution can be caused, therefore, the existing equipment needs to be improved, and the blood flow can be better and more safely detected.
Disclosure of Invention
The present invention provides a blood flow measuring device that solves the problems set forth in the background art described above.
In order to achieve the purpose, the invention provides the following technical scheme:
a blood flow measuring device comprises a bottom plate, wherein clamping rings are arranged on the left side and the right side of the upper surface of the bottom plate, the middle parts of the clamping rings are clamped with the left side and the right side of a detection hose, connectors are arranged at the left end and the right end of the detection hose, a sliding chute is arranged at the rear side of the bottom plate, the left side and the right side of the sliding chute are connected with a first sliding block in a sliding manner, a second supporting column is arranged at the front side of the upper surface of the first sliding block, the upper part of the second supporting column is connected with a second sliding seat in a sliding manner, the front end of the second sliding seat is connected with a sliding rod in a sliding manner, a supporting roller is arranged at the upper end of the sliding rod, a press roller is arranged at the lower end of, the upper end of the second support column is provided with a rotating seat, the upper part of the rotating seat is rotatably connected with the front side of the rotating plate, the rear end of the rotating plate is rotatably connected with the upper end of the supporting rod, the lower end of the supporting rod is rotatably connected with the upper portion of the second sliding block, the front side of the second sliding block is slidably connected with the lower portion of the second supporting column, and a displacement sensor is arranged between the second sliding block and the first sliding block.
As a preferable technical scheme, a first supporting column is arranged on the left side of the bottom plate, the upper portion of the first supporting column is connected with a first sliding seat in a sliding mode, a guide rod is arranged at the right end of the first sliding seat, the left side and the right side of the guide rod are connected with a second sliding seat in a sliding mode, and a limiting block is arranged at the right end of the guide rod.
As a preferable technical scheme of the invention, the upper end of the first support column is provided with a second fixing plate, the middle part of the second fixing plate is rotatably connected with the upper part of the second screw rod, and the middle part of the second screw rod is in threaded connection with the left end of the first sliding seat.
As a preferable technical scheme of the invention, the upper end of the second screw rod is provided with a second rotating wheel, and the lower end of the second screw rod is rotatably connected with the bottom plate.
As a preferable technical scheme of the invention, the left end and the right end of the sliding chute are provided with first fixing plates, the middle part of each first fixing plate is rotatably connected with a first screw rod, and the left side and the right side of each first screw rod are in threaded connection with the middle part of the first sliding block.
As a preferable technical solution of the present invention, the left and right sides of the first lead screw are provided with threads with opposite turning directions.
As a preferable technical solution of the present invention, a first rotating wheel is disposed at a right end of the first lead screw.
As a preferred technical scheme of the present invention, a fifth fixing plate is disposed at an upper end of the sliding rod, sixth fixing plates are disposed at left and right ends of the fifth fixing plate, and a middle portion of the sixth fixing plate is rotatably connected to left and right ends of the supporting roller.
As a preferable technical scheme of the invention, the lower end of the sliding rod is provided with a fourth fixing plate, the front end and the rear end of the fourth fixing plate are provided with third fixing plates, and the middle part of each third fixing plate is rotatably connected with the front end and the rear end of the press roll.
As a preferable technical scheme of the invention, the middle part of the sliding rod is provided with a supporting plate, and the upper part of the supporting plate is provided with a counterweight.
The invention has the following advantages:
1. in the whole detection process, the detection equipment is not directly contacted with blood, so that the blockage of the detection equipment on the blood flow is avoided, and the burden on the body of a patient is prevented;
2. only the detection hose is contacted with blood in the working process of the whole device, and the detection hose can be replaced by a new one before each detection, so that the cross infection among patients is prevented, and the safety of the whole device is improved;
3. the displacement sensor can detect the change of blood flow in real time, so that the flow speed and the pressure of the blood can be detected in real time.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural view of a blood flow measuring device.
Fig. 2 is a front view of a blood flow measuring device.
Fig. 3 is a schematic view of a detection tube in a blood flow measuring apparatus.
Fig. 4 is a perspective view of the rear side of a blood flow measuring device.
Fig. 5 is a schematic structural view of a first support column in a blood flow measuring device.
Fig. 6 is a schematic structural diagram of a second support column of the blood flow measuring device.
Fig. 7 is a front view of fig. 6.
Fig. 8 is a schematic structural view of a second sliding seat in a blood flow measuring device.
In the figure: 1. a base plate; 2. detecting a hose; 3. a first support column; 4. a second support column; 5. a first sliding seat; 6. a guide bar; 7. a second sliding seat; 8. a snap ring; 9. a connector; 10. a limiting block; 11. a first fixing plate; 12. a first lead screw; 13. a chute; 14. a first slider; 15. a first runner; 16. a second lead screw; 17. a second fixing plate; 18. a second runner; 19. a displacement sensor; 20. a second slider; 21. a support bar; 22. a rotating seat; 23. a rotating plate; 24. a third fixing plate; 25. a compression roller; 26. a fourth fixing plate; 27. a slide bar; 28. a support plate; 29. counterweight weights; 30. a fifth fixing plate; 31. a sixth fixing plate; 32. and (4) supporting the roller.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example one
Referring to fig. 1-8, a blood flow measuring device includes a bottom plate 1, wherein clamping rings 8 are disposed on left and right sides of an upper surface of the bottom plate 1, a middle portion of each clamping ring 8 is clamped to left and right sides of a detection hose 2, connectors 9 are disposed on left and right ends of the detection hose 2, a first support column 3 is disposed on left side of the bottom plate 1, an upper portion of the first support column 3 is slidably connected to a first sliding seat 5, a second fixing plate 17 is disposed on upper end of the first support column 3, a middle portion of the second fixing plate 17 is rotatably connected to an upper portion of a second lead screw 16, a second rotating wheel 18 is disposed on upper end of the second lead screw 16, a lower end of the second lead screw 16 is rotatably connected to the bottom plate 1, a middle portion of the second lead screw 16 is threadedly connected to left end of the first sliding seat 5, a guide rod 6 is disposed on right end of the first sliding seat 5, left and right sides of the guide rod.
A sliding chute 13 is arranged at the rear side of the bottom plate 1, the left side and the right side of the sliding chute 13 are slidably connected with a first sliding block 14, the left end and the right end of the sliding chute 13 are provided with a first fixing plate 11, the middle part of the first fixing plate 11 is rotatably connected with a first screw rod 12, the left side and the right side of the first screw rod 12 are in threaded connection with the middle part of the first sliding block 14, the left side and the right side of the first screw rod 12 are provided with threads with opposite rotating directions, the right end of the first screw rod 12 is provided with a first rotating wheel 15, the front side of the upper surface of the first sliding block 14 is provided with a second supporting column 4, the upper part of the second supporting column 4 is slidably connected with a second sliding seat 7, the front end of the second sliding seat 7 is slidably connected with a sliding rod 27, the upper end of the sliding rod 27 is provided with a supporting roller 32, the upper end of the sliding rod 27 is, the lower end of the sliding rod 27 is provided with a press roller 25, the lower end of the sliding rod 27 is provided with a fourth fixing plate 26, the front end and the rear end of the fourth fixing plate 26 are provided with a third fixing plate 24, and the middle part of the third fixing plate 24 is rotatably connected with the front end and the rear end of the press roller 25.
The upper end of second support column 4 is equipped with rotates seat 22, rotates the front side that the upper portion of seat 22 rotated and connects rotor plate 23, the rear end of rotor plate 23 rotates the upper end of connecting support rod 21, and the lower extreme of bracing piece 21 rotates the upper portion of connecting second slider 20, and the lower part of second support column 4 is connected in the front side sliding of second slider 20, is equipped with displacement sensor 19 between second slider 20 and the first slider 14.
Example two
Referring to fig. 8, the other contents of the present embodiment are the same as those of the first embodiment, except that: the middle part of the sliding rod 27 is provided with a supporting plate 28, and the upper part of the supporting plate 28 is provided with a counterweight 29. Because different crowds' blood pressure is different, can all use to different crowds in order to make this device, set up counter weight 29 on slide bar 27 to make this device carry out the in-process that detects to the crowd of different blood pressures, compression roller 25 all can be fine will detect hose 2 and push down, thereby produce deformation, and detect out relevant pressure value.
In the implementation process of the invention, in the preliminary detection, the device is firstly placed beside the detection equipment, at the moment, the first rotating wheel 15 is rotated, the first rotating wheel 15 drives the first screw rod 12 to rotate, so that the first sliding blocks 14 move close to each other or move away from each other, the blood flow rate of a user is preliminarily judged, if people with larger flow rate have larger flow rate, the distance between the two first sliding blocks 14 can be increased, so that the detection distance is increased, the detection accuracy is improved, after the adjustment is finished, the two ends of the detection hose 2 are respectively and directly connected with the blood of a patient through the connecting heads 9, the blood enters through one end of the detection hose 2 and flows out from the other end of the detection hose 2, the detection hose 2 is supported in the blood flowing process, so that the two compression rollers 25 are lifted, the two compression rollers 25 push the sliding rod 27 to move upwards, the variation of the distance is detected by the displacement sensor by the variation of the vertical height of the second slider 20 due to the amplification effect of the rotating plate 23, and thus the interval at which the two pressing rollers 25 are lifted, that is, the time when the blood passes through the positions of the two pressing rollers 25, is calculated, thereby calculating the flow rate.
Detailed detection is carried out, after the blood flow in the whole detection hose 2 is stable, the second rotating wheel 18 can be rotated, the second rotating wheel 18 drives the second screw rod 16 to rotate, the second screw rod 16 drives the first sliding seat 5 to move up and down, the first sliding seat 5 drives the two second sliding seats 7 to move up and down through the guide rod 6, so that the pressing amplitude of the detection hose 2 pressed by the pressing roller 25 changes, the quality of the whole device is stable, the length of each rod piece is fixed, the pressure of the pressing roller 25 on the detection hose 2 at the moment is known, meanwhile, the pressing distance of the pressing roller 25 can be detected through the displacement sensor 19, so that the cross section and the pressure of the detection hose 2, in which the blood flow in the cross section of the pressing roller 25 can be detected, at the moment, the pressure in the detection hose 2 can be approximately equal to the pressure of the pressing roller 25 on the, and this pressure can be approximately equal to the total weight of the pressure roller 25, the slide bar 27 and the support roller 32, if the diameter of the detection tube 2 filled with blood is known, the depth of the detection tube 2 pressed by the pressure roller 25 can be indirectly detected by the displacement sensor 19, so that at this time, the area of the cross section of the detection tube 2 under the pressure roller 25 is the area of the whole circle at the beginning of the detection tube 2 minus the area of the partial circular arc pressed by the pressure roller 25, and can be obtained by a formula, so that the flow rate of blood can be calculated by the pressure and the cross section,
and the fluctuation of the entire flow rate can be detected in real time by the displacement sensor 19.
The area calculation formula of the blood flow is as follows:
assume that the test tube 2 is pressed down by a height h and has a radius R
The central angle of the pressed detection hose 2 can be calculated:
the area of the test tube 2 pressed down is therefore:
the area of the detection tube 2 through which blood flows at this time:
the invention is suitable for a blood flow measuring device, the blood is introduced into a detection hose 2 to realize the flow velocity detection of the blood, and in the whole detection process, the detection equipment is not directly contacted with the blood, thereby avoiding the obstruction of the detection equipment to the blood flow and preventing the burden of the patient body, meanwhile, only the detection hose 2 is contacted with the blood in the whole device working process, the cross infection between patients can be prevented by replacing a new detection hose 2 before each detection, the safety of the whole device is improved, and the displacement sensor 19 can detect the change of the blood flow in real time, thereby leading the flow velocity and the pressure of the blood to be detected in real time.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (10)
1. A blood flow measuring device comprises a bottom plate (1), wherein clamping rings (8) are arranged on the left side and the right side of the upper surface of the bottom plate (1), the middle of each clamping ring (8) is connected with the left side and the right side of a detection hose (2), and connectors (9) are arranged at the left end and the right end of each detection hose (2), the blood flow measuring device is characterized in that a sliding groove (13) is arranged on the rear side of the bottom plate (1), the left side and the right side of the sliding groove (13) are connected with a first sliding block (14) in a sliding mode, a second supporting column (4) is arranged on the front side of the upper surface of the first sliding block (14), a second sliding seat (7) is connected on the upper portion of the second supporting column (4) in a sliding mode, a sliding rod (27) is connected on the front end of the second sliding seat (7), a supporting roller (32) is arranged at the upper end of the sliding, the front side of connecting rotor plate (23) is rotated on the upper portion of rotating seat (22), the upper end of connecting support rod (21) is rotated to the rear end of rotor plate (23), and the lower extreme of bracing piece (21) is rotated and is connected the upper portion of second slider (20), and the lower part of second support column (4) is connected in the front side sliding of second slider (20), is equipped with displacement sensor (19) between second slider (20) and first slider (14).
2. The blood flow measuring device according to claim 1, wherein a first supporting column (3) is arranged at the left side of the bottom plate (1), a first sliding seat (5) is slidably connected to the upper portion of the first supporting column (3), a guiding rod (6) is arranged at the right end of the first sliding seat (5), a second sliding seat (7) is slidably connected to the left side and the right side of the guiding rod (6), and a limiting block (10) is arranged at the right end of the guiding rod (6).
3. A blood flow measuring device according to claim 2, wherein the upper end of the first supporting column (3) is provided with a second fixing plate (17), the middle part of the second fixing plate (17) is rotatably connected with the upper part of the second screw rod (16), and the middle part of the second screw rod (16) is in threaded connection with the left end of the first sliding seat (5).
4. A blood flow measuring device according to claim 3, wherein the upper end of the second screw (16) is provided with a second rotating wheel (18), and the lower end of the second screw (16) is rotatably connected with the base plate (1).
5. A blood flow measuring device according to claim 1, wherein the left and right ends of the sliding groove (13) are provided with first fixing plates (11), the middle part of the first fixing plate (11) is rotatably connected with the first screw rod (12), and the left and right sides of the first screw rod (12) are in threaded connection with the middle part of the first sliding block (14).
6. A blood flow measuring device according to claim 5, wherein the first screw (12) is threaded with opposite hand threads on the left and right sides.
7. A blood flow measuring device according to claim 5, wherein the right end of the first screw (12) is provided with a first wheel (15).
8. A blood flow measuring device according to claim 1, wherein the sliding rod (27) is provided at its upper end with a fifth fixing plate (30), and the fifth fixing plate (30) is provided at its left and right ends with sixth fixing plates (31), and the middle part of the sixth fixing plate (31) is rotatably connected to the left and right ends of the supporting roller (32).
9. A blood flow measuring device according to claim 1, wherein the lower end of the sliding rod (27) is provided with a fourth fixing plate (26), the front and rear ends of the fourth fixing plate (26) are provided with third fixing plates (24), and the middle of the third fixing plate (24) is rotatably connected with the front and rear ends of the pressing roller (25).
10. A blood flow measuring device according to claim 1, wherein a support plate (28) is provided at the middle of the slide rod (27), and a weight (29) is provided at the upper part of the support plate (28).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011543966.1A CN112274128B (en) | 2020-12-23 | 2020-12-23 | Blood flow measuring device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011543966.1A CN112274128B (en) | 2020-12-23 | 2020-12-23 | Blood flow measuring device |
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| CN112274128A CN112274128A (en) | 2021-01-29 |
| CN112274128B true CN112274128B (en) | 2021-04-02 |
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| CN202011543966.1A Active CN112274128B (en) | 2020-12-23 | 2020-12-23 | Blood flow measuring device |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101974405A (en) * | 2010-09-30 | 2011-02-16 | 广州大学 | Blood flow simulation device |
| CN102387739A (en) * | 2009-04-11 | 2012-03-21 | 德国弗雷泽纽斯医疗保健股份有限公司 | Device and method for measuring a blood constituent in blood for an extracorporeal blood treatment device |
| CN105640533A (en) * | 2015-12-23 | 2016-06-08 | 南昌大学 | In-vitro hemodynamic characteristic test device |
| CN108120851A (en) * | 2017-12-20 | 2018-06-05 | 中国医学科学院生物医学工程研究所 | A kind of blood imitates the flow-speed measurement method and instrument of body |
| CN110292679A (en) * | 2018-03-21 | 2019-10-01 | 合肥京东方光电科技有限公司 | Liquid transmission control unit and liquid transfer system |
| CN111017347A (en) * | 2019-12-27 | 2020-04-17 | 浙江更土电子商务有限公司 | Electronic commerce product logistics sends packing auxiliary system |
| CN111550075A (en) * | 2020-06-02 | 2020-08-18 | 闫顺 | Wall joint repairing device for interior decoration |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009021241A1 (en) * | 2007-08-09 | 2009-02-12 | George Akingba | Modular arteriovenous shunt device and methods for establishing hemodialytic angioaccess |
-
2020
- 2020-12-23 CN CN202011543966.1A patent/CN112274128B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102387739A (en) * | 2009-04-11 | 2012-03-21 | 德国弗雷泽纽斯医疗保健股份有限公司 | Device and method for measuring a blood constituent in blood for an extracorporeal blood treatment device |
| CN101974405A (en) * | 2010-09-30 | 2011-02-16 | 广州大学 | Blood flow simulation device |
| CN105640533A (en) * | 2015-12-23 | 2016-06-08 | 南昌大学 | In-vitro hemodynamic characteristic test device |
| CN108120851A (en) * | 2017-12-20 | 2018-06-05 | 中国医学科学院生物医学工程研究所 | A kind of blood imitates the flow-speed measurement method and instrument of body |
| CN110292679A (en) * | 2018-03-21 | 2019-10-01 | 合肥京东方光电科技有限公司 | Liquid transmission control unit and liquid transfer system |
| CN111017347A (en) * | 2019-12-27 | 2020-04-17 | 浙江更土电子商务有限公司 | Electronic commerce product logistics sends packing auxiliary system |
| CN111550075A (en) * | 2020-06-02 | 2020-08-18 | 闫顺 | Wall joint repairing device for interior decoration |
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| CN112274128A (en) | 2021-01-29 |
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