CN104950130B - Medical catheter flow meters - Google Patents
Medical catheter flow meters Download PDFInfo
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- CN104950130B CN104950130B CN201510405837.9A CN201510405837A CN104950130B CN 104950130 B CN104950130 B CN 104950130B CN 201510405837 A CN201510405837 A CN 201510405837A CN 104950130 B CN104950130 B CN 104950130B
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- water
- medical catheter
- lower header
- cabinet
- closed cycle
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Abstract
The invention discloses medical catheter flow meters, including cabinet, closed cycle constant temperature water bath apparatus, operating platform and regulation and control system, closed cycle constant temperature water bath apparatus includes upper water box and lower header, the outlet of the water inlet pipe mouth and lower header of upper water box is connected by upper hose, the delivery port I of upper water box is connected with lower header by downcomer, and closed cycle constant temperature water bath apparatus is in cabinet inside；Specimen mounting and water spilage tray are provided with operating platform, operating platform is located at cabinet bottom；Regulation and control system includes control panel and computer, and regulation and control system is connected with closed cycle constant temperature water bath apparatus and mass sensor respectively；Control panel is on the operational platform on the cabinet of side, and computer bit is outside cabinet.Equipment support is provided for the detection of medical catheter flow velocity, adopts and computerizeds control, improve the accuracy of medical catheter flow rate detection, be that medical catheter flow velocity performance indications make Data Detection, with good practicality and promotional value.
Description
Technical field
The present invention relates to medical catheter detection means technical field, more particularly to medical catheter flow meters.
Background technology
CVC belongs to one kind of blood vessel inner tube, is positioned in big vein.A large amount of and quick venous transfusion, often
The operation that blood loss may be larger is appeared in, or blood pressure is maintained during first aid.Also without medical catheter on domestic market
Flow velocity tester, it is impossible to tested to the flow velocity of medical catheter, therefore, is badly in need of a kind of technical scheme and is deposited to solve prior art
Defect.
The content of the invention
In view of the deficiencies of the prior art, the present invention provides a kind of simple in construction, and operation easily being capable of inspection center
The medical catheter flow meters of ductus venosus flow velocity.
The technical solution adopted in the present invention is as follows：
Medical catheter flow meters, including cabinet 3, closed cycle constant temperature water bath apparatus 1, operating platform and regulation control
System processed, the closed cycle constant temperature water bath apparatus include upper water box 103 and lower header 101, the water inlet pipe mouth of upper water box 103 with
The outlet of lower header 101 is connected by upper hose 104, and delivery port I and the lower header 101 of upper water box 103 are connected by downcomer 105
Connect, upper water box 101 is additionally provided with the delivery port II with magnetic valve 4, lower header 101 is provided with water inlet 106, lower header 101
Upper hose at be provided with water pump 102, described closed cycle constant temperature water bath apparatus 1 is arranged on inside cabinet 3；
Specimen mounting 6 and water spilage tray 8 are provided with the operating platform, medical catheter 604 is fixed with specimen mounting 6, is cured
It is connected with conduit 604 by flow rate regulating valve 5 with the downcomer 105 of upper water box 103, water spilage tray 8 is located at going out for medical catheter 604
Immediately below water nozzle, mass sensor 7 is fixed with the lower section of water spilage tray 8；Water spilage tray 8 is movably connected on mass sensor 7, behaviour
Make platform positioned at the bottom of cabinet 3；
Described regulation and control system includes control panel 2 and computer, and regulation and control system is permanent with closed cycle respectively
Warm water bath apparatus 1 and mass sensor 7 are connected；Control panel 2 is arranged on the cabinet 3 above operating platform, computer bit
Outside cabinet 3.
Further, temperature sensor and level sensor are provided with the side wall in described lower header 101, in Xia Shui
Case is internally provided with heater and refrigerator, and the heater uses heating tube, and refrigerator uses model AT10 refrigerator,
The water inlet of lower header 101 is arranged on the right side of mass sensor 7.
Further, the control panel 2 includes temperature controller 201, water monitor 202 and power switch 203；Temperature
The input connection temperature sensor of degree controller 201, the output end having heaters in parallel and refrigerator of temperature controller 201,
Temperature controller 201 starts heater and system is heated or started to the water in lower header according to the feedback of temperature sensor
Cooler is cooled down to the water in lower header, is maintained at (22 ± 2) DEG C with the test solution of guarantee test, water monitor 202
Input connects level sensor, and the output end of water monitor 202 is connected with water pump 102, the control water pump of water monitor 202
102 cause the test solution in upper water box to keep permanent liquid level.
Further, the built-in computer test operation system, including start button, end key, timing buzzer, effectively
Selection key, record part, mean value calculation and report generation part, start button and terminate key control magnetic valve 4 unlatching and
Close, while also controlling the end and beginning of whole experiment process, timing buzzer is connected the Control experiment time in the line, note
Record part is by by the data that record mass sensor 7 is transmitted that judge whether of effective selection key, and effective data result will be logical
Cross mean value calculation part and calculate average value, then pass through the effective report of report generation part generation；The examination of built-in computer
Test the accurate orderly progress of the effective Control experiment flow of operating system.
Further, the water monitor 202 is provided with water position status indicator lamp.
Further, described specimen mounting 6 includes DOCK LEVELER 601, block rubber 602 and joint 603, described height
Adjustment hole is provided with adjustable plate 601, block rubber 602 is bolted on DOCK LEVELER 601, the joint 603 is consolidated
It is scheduled on the front of block rubber 602.
Further, the upper right of the cabinet 3 has a liquid level gauge 107, and liquid level gauge 107 passes through conduit and upper
Water tank 103 is connected, and liquid level gauge 107 is also connected with water monitor 202.
The beneficial effects of the invention are as follows：
Equipment support is provided for the detection of medical catheter flow velocity, adopts and computerizeds control, improve medical catheter flow velocity
The accuracy of detection, can make Data Detection for medical catheter flow velocity performance indications, be that the overall performance of medical catheter is improved
There is provided foundation.In addition, the present invention is simple in construction, cost is low, operation safety, with good practicality and promotional value.
Brief description of the drawings
Fig. 1 overall structure diagrams of the present invention.
Fig. 2 is closed cycle water bath with thermostatic control structural representation.
Fig. 3 control panel structural representations of the present invention.
Fig. 4 specimen mounting structural representations of the present invention.
Fig. 5 is test operation system flow chart in computer.
In figure：Closed cycle constant temperature water bath apparatus 1, control panel 2, cabinet 3, magnetic valve 4, flow rate regulating valve 5, specimen mounting
6th, mass sensor 7, water spilage tray 8, lower header 101, water pump 102, upper water box 103, water inlet pipe 104, outlet pipe 105, water inlet
106th, liquid level gauge 107, temperature controller 201, water monitor 202, power switch 203, DOCK LEVELER 601, rubber
Block 602, joint 603, medical catheter 604.
Embodiment
The present invention will be further described with reference to the accompanying drawings and examples.
As shown in Fig. 1-5.
Embodiment 1
During experiment, allow flowing time of the water in medical catheter 604 to be no less than 30 seconds, weighed using mass sensor 7
The weight of the water flowed in the time in water spilage tray 8, computer at the trial in reading quality sensor data, according to water
Density be converted into the volume (V=m/ ρ) of water, obtain the transcatheter flow velocity of current, represented with mL/min.
Specific test procedure is as follows：
1. normal temperature is controlled：By the water inlet of lower header, 5.5L water is added into lower header, opens and is located on control panel
Power switch, continues to add water to water position status indicator lamp bright light, stops adding water, pass through the feedback of temperature sensor, temperature control
Device 201 adjusts heater and refrigerator, the water temperature in lower header is shown as (22 ± 2) DEG C；
2. water level control：The water pump in lower header 101 is opened, is added water into upper water box, water monitor is referred to by liquid level
Show that the feedback of meter 107 is turned on and off water pump, the liquid level of upper water box is kept constant；
3. air-discharging：Water spilage tray 8 is placed on the mass sensor 7 immediately below water export, as shown in figure 5, clicking on
" beginning " of Computer Testing System display interface, water flows out along medical catheter, moistens medical pipeline, then clicks on computer examination
Check system display interface " end ", repeatedly switch electromagnetic valve several times, discharge line air；
It is placed in 4. changing and drying clean water spilage tray 8 on mass sensor 7, " peeling " clicked on mass sensor is pressed
Button；
5. " beginning " of clicking on Computer Testing System display interface starts experiment, while the default buzzer time is 30
Second, when interface display to be tested goes out the real-time quality for transmitting and from mass sensor 7, click on " the knot at Computer display interface
Beam ", stops experiment；
6. " whether experiment is effective for the ejection of Computer Testing System display interface" whether interpretation result of the test effective, if
" YSE " effectively is clicked on, if invalid clicks " NO "；After point " YES ", test result can be in Computer Testing System display interface
Shown in display box, " NO ", which will not then be recorded, this time to be tested；
7. repeating above step, computer system calculates average value automatically after three experiments；Click on " generation report ", it is soft
Part generates test report, shows result of the test.
Other be the same as Examples 1.
Described above is not limitation of the present invention, and the present invention is also not limited to the example above, the art
The variations, modifications, additions or substitutions that technical staff is made in the essential scope of the present invention, should also belong to the protection of the present invention
Scope.
Claims (4)
1. medical catheter flow meters, including cabinet (3), closed cycle constant temperature water bath apparatus (1), operating platform and regulation
Control system, it is characterised in that：
The closed cycle constant temperature water bath apparatus includes upper water box (103) and lower header (101), the water inlet pipe of upper water box (103)
Mouth is connected with the outlet of lower header (101) by upper hose (104), and delivery port I and the lower header (101) of upper water box (103) lead to
Downcomer (105) connection is crossed, upper water box (101) is additionally provided with the delivery port II with magnetic valve (4), and lower header (101) is set
Have and water pump (102), described closed cycle constant temperature water bath apparatus are provided with water inlet (106), the upper hose of lower header (101)
(1) it is arranged on cabinet (3) internal；
Specimen mounting (6) and water spilage tray (8) are provided with the operating platform, medical catheter is fixed with specimen mounting (6)
(604), medical catheter (604) is connected by flow rate regulating valve (5) with the downcomer (105) of upper water box (103), water spilage tray (8)
Immediately below the faucet of medical catheter (604), mass sensor (7) is fixed with below water spilage tray (8)；Water spilage tray
(8) it is movably connected on mass sensor (7), operating platform is located at cabinet (3) bottom；
Described regulation and control system include control panel (2) and computer, regulation and control system respectively with closed cycle constant temperature
Water bath device (1) and mass sensor (7) connection；Control panel (2) is arranged on the cabinet above operating platform (3), meter
Temperature sensor and level sensor are provided with the side wall that calculation machine is located in cabinet (3) outside, described lower header (101),
Heater and refrigerator are additionally provided with inside lower header (101), the water inlet of lower header (101) is arranged on mass sensor
(7) right side, the control panel (2) includes temperature controller (201), water monitor (202) and power switch (203)；Temperature
Spend the input connection temperature sensor of controller (201), the output end having heaters in parallel and refrigeration of temperature controller (201)
Device, the input connection level sensor of water monitor (202), output end and the water pump (102) of water monitor (202) connect
Connect；
Described specimen mounting (6) includes DOCK LEVELER (601), block rubber (602) and joint (603), described height regulation
Adjustment hole is provided with plate (601), block rubber (602) is bolted on DOCK LEVELER (601), the joint
(603) it is fixed in front of block rubber (602).
2. medical catheter flow meters according to claim 1, it is characterised in that the built-in computer test operation system
System, Control experiment flow.
3. medical catheter flow meters according to claim 1, it is characterised in that the water monitor (202) is set
There is water position status indicator lamp.
4. medical catheter flow meters according to claim 1, it is characterised in that the upper right of the cabinet (3) has
Liquid level gauge (107), liquid level gauge (107) is connected by conduit with upper water box (103).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510405837.9A CN104950130B (en) | 2015-07-10 | 2015-07-10 | Medical catheter flow meters |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510405837.9A CN104950130B (en) | 2015-07-10 | 2015-07-10 | Medical catheter flow meters |
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| Publication Number | Publication Date |
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| CN104950130A CN104950130A (en) | 2015-09-30 |
| CN104950130B true CN104950130B (en) | 2017-10-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510405837.9A Active CN104950130B (en) | 2015-07-10 | 2015-07-10 | Medical catheter flow meters |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112415224B (en) * | 2020-11-04 | 2022-11-15 | 深圳市讯美科技有限公司 | Infrared reflection type liquid dripping speed detector |
| CN115252963B (en) * | 2022-09-27 | 2022-12-09 | 山东百多安医疗器械股份有限公司 | Conduit fluid dynamics parameter detection equipment |
| CN115931321B (en) * | 2022-11-02 | 2023-09-08 | 上海玮启医疗器械有限公司 | Constant pressure flow velocity testing device and method for medical catheter |
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| CN2121016U (en) * | 1992-04-15 | 1992-11-04 | 顾亮 | Combined liquid flow admeasuring apparatus |
| WO2007022052A1 (en) * | 2005-08-12 | 2007-02-22 | Celerity, Inc. | Flow measurement and control with bubble detection |
| US7856874B2 (en) * | 2005-11-03 | 2010-12-28 | G.R.T. Development Ltd. | Apparatus and method for measuring a fluid flow-rate within a capillary |
| CN202710595U (en) * | 2012-08-15 | 2013-01-30 | 郑州光力科技股份有限公司 | Plug-in type gas flow velocity measuring device |
| CN102928020A (en) * | 2012-11-05 | 2013-02-13 | 昆山华恒焊接股份有限公司 | Device for detecting differential pressure and flow velocity |
| CA2872457A1 (en) * | 2012-05-04 | 2013-11-07 | Hydrovision Asia Pte Ltd | A flow meter system |
| CN204389515U (en) * | 2014-12-23 | 2015-06-10 | 重庆电讯职业学院 | A kind of fluid-velocity survey circuit being applicable to medical transfusion automatic monitoring equipment |
| CN204789615U (en) * | 2015-07-10 | 2015-11-18 | 山东省纺织科学研究院 | Medical catheter hydrometry appearance |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6113111A (en) * | 1984-06-28 | 1986-01-21 | Hitachi Cable Ltd | Three-functional sensor using polarization maintaining fiber |
| USH198H (en) * | 1985-04-30 | 1987-01-06 | The United States Of America As Represented By The Secretary Of The Army | Expanding projectile rotating band |
| DE102004059085A1 (en) * | 2004-12-02 | 2006-06-08 | Takata-Petri Ag | Airbag for an airbag module of a motor vehicle |
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2015
- 2015-07-10 CN CN201510405837.9A patent/CN104950130B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2121016U (en) * | 1992-04-15 | 1992-11-04 | 顾亮 | Combined liquid flow admeasuring apparatus |
| WO2007022052A1 (en) * | 2005-08-12 | 2007-02-22 | Celerity, Inc. | Flow measurement and control with bubble detection |
| US7856874B2 (en) * | 2005-11-03 | 2010-12-28 | G.R.T. Development Ltd. | Apparatus and method for measuring a fluid flow-rate within a capillary |
| CA2872457A1 (en) * | 2012-05-04 | 2013-11-07 | Hydrovision Asia Pte Ltd | A flow meter system |
| CN202710595U (en) * | 2012-08-15 | 2013-01-30 | 郑州光力科技股份有限公司 | Plug-in type gas flow velocity measuring device |
| CN102928020A (en) * | 2012-11-05 | 2013-02-13 | 昆山华恒焊接股份有限公司 | Device for detecting differential pressure and flow velocity |
| CN204389515U (en) * | 2014-12-23 | 2015-06-10 | 重庆电讯职业学院 | A kind of fluid-velocity survey circuit being applicable to medical transfusion automatic monitoring equipment |
| CN204789615U (en) * | 2015-07-10 | 2015-11-18 | 山东省纺织科学研究院 | Medical catheter hydrometry appearance |
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| CN104950130A (en) | 2015-09-30 |
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