CN103301533A - Infusion method for infusion bottle - Google Patents
Infusion method for infusion bottle Download PDFInfo
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- CN103301533A CN103301533A CN2013102767066A CN201310276706A CN103301533A CN 103301533 A CN103301533 A CN 103301533A CN 2013102767066 A CN2013102767066 A CN 2013102767066A CN 201310276706 A CN201310276706 A CN 201310276706A CN 103301533 A CN103301533 A CN 103301533A
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- infusion bottle
- infusion
- negative pressure
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- 238000001802 infusion Methods 0.000 title claims abstract description 93
- 238000000034 method Methods 0.000 title claims abstract description 20
- 239000007788 liquid Substances 0.000 claims abstract description 47
- 230000008602 contraction Effects 0.000 claims description 6
- 230000000694 effects Effects 0.000 claims description 5
- 238000004891 communication Methods 0.000 claims description 3
- 238000000926 separation method Methods 0.000 claims description 3
- 239000003814 drug Substances 0.000 abstract description 5
- 230000002159 abnormal effect Effects 0.000 description 3
- 239000008280 blood Substances 0.000 description 3
- 210000004369 blood Anatomy 0.000 description 3
- 206010011409 Cross infection Diseases 0.000 description 2
- 206010029803 Nosocomial infection Diseases 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 229940079593 drug Drugs 0.000 description 2
- 210000003141 lower extremity Anatomy 0.000 description 2
- 206010001526 Air embolism Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000004204 blood vessel Anatomy 0.000 description 1
- 239000002775 capsule Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000009931 harmful effect Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
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Abstract
The invention relates to an infusion method for an infusion bottle. When the infusion bottle is used for carrying out infusion, a reminder is hung on the infusion bottle. The reminder is connected with the infusion bottle by an isolator, and a control system carries out analysis judgment on a pressure signal transmitted by a pressure sensor and determines whether to start an alarm device to give an alarm; when liquid medicine in the infusion bottle is used up or the infusion speed is reduced due to blockage of an infusion pipeline, the control system can start the alarm device to give an alarm.
Description
Technical field
The present invention relates to a kind of infusion bottle infusion method, belong to the optimisation technique of transfusion.
Background technology
Existing infusion bottle in infusion process, need be plugged air inlet pipe at infusion bottle, when the medicinal liquid in the bottle reduces the formation negative pressure, carry out QI invigorating by the extraneous air of air inlet pipe suction, make the inside and outside air pressure of bottle keep a balance, medicinal liquid could enter a kettle by drawing the liquid pin smoothly.One end of air inlet pipe is unsettled to be exposed outside bottle, and the other end is provided with air inlet needle, and the air inlet pinprick advances in the bottle neck.In infusion process, decline with bottle inner liquid medicine height, when the pressure sum of gas generation is less than ambient atmosphere pressure in the pressure that medicinal liquid produces and the bottle, ambient atmos will enter in the bottle by air inlet pipe under the atmospheric pressure effect, make the pressure sum that gas produces in pressure that medicinal liquid produces and the bottle always keep equating with atmospheric pressure substantially, medicinal liquid just can at the uniform velocity following be imported in the body like this.
In infusion process, patient or its family members, the progress that must keep one's eyes open and infuse, intact when infusion bottle Chinese medicine liquid stream, the medicinal liquid that drips in the kettle has also flowed, and liquid level drops to and drips below the kettle, just the blood back phenomenon might appear, be that blood enters down dropper, perhaps air admission blood causes air embolism, makes the patient in alarm even brings danger.
Because transfusion time is longer, generally surpass half an hour, patient or family members to be careful the transfusion progress at any time, make patient's rest of can not feeling at ease, make that family members are busy also can't get away.Particularly concerning will failing the patient and family members thereof that all will infuse many bottle liquid medicines, every day those every days, the transfusion progress that keeps one's eyes open is the thing that part is laboured and toil with mind and body.It is also unrealistic to allow nurse or nurse be careful the transfusion progress, a common nurse or nurse, a plurality of sufferers that will nurse a plurality of wards simultaneously.
In addition, in infusion process, also can occur the patient sometimes and push down down dropper because of carelessness, make medicinal liquid can not enter human body smoothly, or blood vessel blockage, abnormal conditions such as cause that medicinal liquid can not be imported smoothly if find untimelyly, also can be brought harmful effect to sufferer.
Therefore, need seeking does not a kind ofly need the special messenger to look after, can be when transfusion be soon finished or transfusion send the infusion method of warning when abnormal conditions occurring automatically.
Summary of the invention
The purpose of this invention is to provide does not a kind ofly need the special messenger to look after, can be when transfusion be soon finished or transfusion send the infusion method of warning when abnormal conditions occurring automatically.
Technical scheme of the present invention is: a kind of infusion bottle infusion method with infusion bottle 3 transfusions the time, hangs up reminiscences 1 at infusion bottle; Reminiscences 1 mainly comprises snap ring 11, fuselage 12, and it is spigot joint 13 that fuselage is provided with, and a spigot joint end links to each other with isolator 2, and the other end is equipped with pressure transducer, and pressure transducer is connected to control system by holding wire; Also be provided with alarm device and control system in the fuselage; Described isolator 2 comprises signal pipe 21, down spigot joint 22 and air bag 23; Air bag is divided into two independently spaces with the internal cavities of isolator, and one is signal space, and one is airflow space, and the opening of air bag is towards spigot joint down; Isolator is socketed on spigot joint 13 by last signal pipe 21; Be positioned at following spigot joint suction nozzle and the outlet nozzle of outwards giving prominence to that be provided with of airflow space, an end socket of outlet nozzle and air inlet pipe 4, suction nozzle communicates with outside air, is provided with pressure check valve in the suction nozzle; The other end of air inlet pipe is provided with air inlet needle, and the air inlet pinprick advances in the bottle neck; Air bag can be under the effect of negative pressure to the direction contraction distortion of suction nozzle; The distortion of air bag causes signal space to enlarge, thereby produces negative pressure, and negative pressure signal passes to pressure transducer by spigot joint 13; Control system is carried out analytical judgment to the pressure signal that pressure transducer transmits, and determines whether to open alarm device and reports to the police.
When control system detected force value that pressure transducer returns less than the unlatching value of pressure check valve, pressure check valve was in closed condition; When force value during greater than the unlatching value of pressure check valve, control system is opened the pressure check valve air inlet.
When the medicinal liquid in the infusion bottle is higher than air inlet needle, when medicinal liquid flows away when causing the negative pressure that produces in the infusion bottle enough big, the air admission of inhaling in moving air inlet pipe and the airflow space replenishes, thereby makes air inlet pipe and airflow space also produce negative pressure, and air bag is to the direction contraction distortion of suction nozzle; Negative pressure in airflow space continues to increase, up to the unlatching value of negative pressure greater than pressure check valve, pressure check valve is opened, extraneous air flows into airflow space and air inlet pipe, adds in the infusion bottle, and the inside and outside pressure of infusion bottle is averaged out, air stops to enter infusion bottle, negative pressure in air inlet pipe and the airflow space reduces, and air bag is replied original shape, and pressure check valve is closed.
When the medicinal liquid in the infusion bottle is lower than air inlet needle, air communication in airflow space, air inlet pipe and the infusion bottle, when medicinal liquid continues when dirty, can make the air in the infusion bottle produce negative pressure, also produce identical negative pressure in the airflow space, when negative pressure during greater than the unlatching value of pressure check valve, pressure check valve is opened, extraneous air admission airflow space and then enter infusion bottle makes medicinal liquid can continue following.
After the beginning normal infusion, open the switch that is located on the fuselage, pressure transducer passes to control system with signal, information such as signal intensity when the air inlet frequency when control system is noted normal infusion and air inlet, and with these information as reference value, then, the pressure signal that control system is constantly sent pressure transducer compares with the reference value of noting, and determines whether to open alarm device and reports to the police.
When liquid level is lower than the air inlet syringe needle, owing to there has not been the separation of liquid, therefore, will produce continuous negative pressure in air inlet pipe and airflow space, the signal that pressure transducer returns to control system is exactly continuous negative pressure signal, and signal frequency also can change, when control system detects continuous negative pressure signal and frequency and is higher than reference value, control system is opened alarm device and is reported to the police, and reminds sufferer and nurse that transfusion is near completion.
To monitor the signal intensity that pressure transducer returns consistent with reference value when control system, but the air inlet frequency is lower than reference value half, opens alarm device and reports to the police, and reminds sufferer and nurse, and liquid-transport pipe-line causes transfusion speed to slow down because stop up.
Beneficial effect
1,Reminiscences links to each other with infusion bottle by isolator, and control system is carried out analytical judgment to the pressure signal that pressure transducer transmits, and determines whether to open alarm device and reports to the police; Medicinal liquid in infusion bottle has flowed, and perhaps liquid-transport pipe-line is because obstruction causes transfusion speed to slow down, and control system will be opened alarm device and report to the police.
Description of drawings
Fig. 1 is that the present invention is at the main TV structure sketch map of application state;
Fig. 2 is the explosive view of Fig. 1;
Fig. 3 is the main TV structure sketch map of reminiscences of the present invention;
Fig. 4 is the main TV structure sketch map of isolator of the present invention;
Fig. 5 is the figure that pops of isolator;
Fig. 6 is the three-dimensional generalized section of isolator.
The specific embodiment
As depicted in figs. 1 and 2, a kind of infusion bottle infusion method with infusion bottle 3 transfusions the time, hangs up reminiscences 1 at infusion bottle.
As shown in Figure 3, reminiscences 1 mainly comprises snap ring 11, fuselage 12, and it is spigot joint 13 that fuselage is provided with, and a spigot joint end links to each other with isolator 2, and the other end is equipped with pressure transducer, and pressure transducer is connected to control system by holding wire.
Also be provided with alarm device and control system in the fuselage.Control system is carried out analytical judgment to the pressure signal that pressure transducer transmits, and determines whether to open alarm device and reports to the police.
As Fig. 4, Fig. 5 and shown in Figure 6, described isolator 2 comprises signal pipe 21, down spigot joint 22 and air bag 23; Last signal pipe and cavity of down spigot joint socket formation, air bag is positioned at cavity; Air bag is the hollow utricule of an end opening, and the edge of opening links to each other with the inwall of cavity, and cavity is divided into two independently spaces, and one is signal space, and one is airflow space, and the opening of air bag is towards spigot joint down; Last signal pipe 21 is provided with interface and spigot joint 13 sockets.
Be positioned at following spigot joint suction nozzle and the outlet nozzle of outwards giving prominence to that be provided with of airflow space, an end socket of outlet nozzle and air inlet pipe 4, suction nozzle communicates with outside air, is provided with pressure check valve in the suction nozzle.
The other end of air inlet pipe is provided with air inlet needle, and the air inlet pinprick advances in the bottle neck; Air bag can be under the effect of negative pressure to the direction contraction distortion of suction nozzle; The distortion of air bag causes signal space to enlarge, thereby produces negative pressure, and negative pressure signal passes to pressure transducer by spigot joint 13; When the pressure of the negative pressure in the airflow space during less than the unlatching value of pressure check valve, pressure check valve is in closed condition, and when the pressure of negative pressure during greater than the unlatching value of pressure check valve, pressure check valve just can be opened air inlet.
When the medicinal liquid in the infusion bottle is higher than air inlet needle, when medicinal liquid flows away when causing the negative pressure that produces in the infusion bottle enough big, the air admission of inhaling in moving air inlet pipe and the airflow space replenishes, thereby makes air inlet pipe and airflow space also produce negative pressure, and air bag is to the direction contraction distortion of suction nozzle; Negative pressure in airflow space continues to increase, the unlatching value greater than pressure check valve in airflow space, pressure check valve is opened, extraneous air flows into airflow space and air inlet pipe, adds in the infusion bottle, and the inside and outside pressure of infusion bottle is averaged out, air stops to enter infusion bottle, negative pressure in air inlet pipe and the airflow space reduces, and air bag is replied original shape, and pressure check valve is closed.
Described pressure check valve mainly comprises valve ball 24, spring 25, snap ring 26; Be provided with bayonet socket at suction nozzle near the inwall of airflow space, during installation, valve ball 24 filled in suction nozzle from airflow space, repress is gone into spring 25, at last snap ring 26 is snapped on the bayonet socket of suction nozzle inwall.
When airflow space is in negative pressure state, negative pressure can overcome the prestressing force of spring to the suction of valve ball, then valve ball direction to airflow space in suction nozzle moves, and extraneous air enters suction nozzle from the slit between valve ball and the suction nozzle inwall, enters airflow space again.When the negative pressure of airflow space reduces, when negative pressure can not overcome the prestressing force of spring to the suction of valve ball, spring pushed back original position with valve ball, blocks the import of suction nozzle, and extraneous air can not be entered.Therefore, the suction nozzle diameter of bore between the inlet end of valve ball and suction nozzle is less than the diameter of valve ball.
Before the use, the liquid pinprick that draws that is located at the dropper end is gone into bottle cap, open by-pass cock, make medicinal liquid be subjected to gravity effect to enter dropper by drawing the liquid pin, enter then and drip capsule, and then dropper under flowing into, air in will managing under the promotion of medicinal liquid is discharged, and after medicinal liquid oozes two or three from the transfusion needle that is positioned at following dropper end, transfusion needle is inserted on patient's the remaining needle again, set up the path of transfusion, regulate the speed of transfusion again by by-pass cock.
Owing to regulated the speed of transfusion by by-pass cock, medicinal liquid in the infusion bottle is at the uniform velocity dirty, therefore, producing enough negative pressure in the bottle also is stable with the frequency in the air suction infusion bottle in the external world, at this moment, open the switch activated control system work that is located on the fuselage, control system is at first with the 1-2 minute pressure signal that transmit of record pressure transducer, information such as signal intensity when the air inlet frequency when control system is noted normal infusion and air inlet, and with these information as reference value, then, the pressure signal that control system is constantly sent pressure transducer compares with the reference value of noting, and determines whether to open alarm device and reports to the police.
During normal infusion, because bottle giving drugs into nose liquid measure abundance, liquid level is not less than and draws the liquid pin, and return-air is intermittent.Have only when liquid level drops to a certain degree, just can produce the negative pressure of enough suction air in the bottle, have only negative pressure to acquire a certain degree, just can be air-breathing, when the air admission infusion bottle, the pressure that medicinal liquid is produced equates with atmospheric pressure substantially with the pressure sum that the interior gas of bottle produces, and stops suction, at the uniform velocity following input of medicinal liquid human body, the negative pressure that produces in bottle reaches air-breathing degree again just can be air-breathing again.
When liquid level is lower than the air inlet syringe needle, owing to there has not been the separation of liquid, air communication in airflow space, air inlet pipe and the infusion bottle, therefore, when medicinal liquid continues when dirty, can make the air in the infusion bottle produce negative pressure, will produce continuous negative pressure in air inlet pipe and airflow space, when negative pressure during greater than the unlatching value of pressure check valve, pressure check valve is opened, extraneous air admission airflow space and then enter infusion bottle makes medicinal liquid can continue following.
When airflow space produces negative pressure, negative pressure makes air bag to the direction distortion of suction nozzle, make signal space produce negative pressure, the signal that pressure transducer returns to control system is exactly continuous negative pressure signal, signal frequency also can change, when control system detected continuous negative pressure signal and frequency and is higher than reference value, control system was opened alarm device and is reported to the police, and reminds sufferer and nurse that transfusion is near completion.
To monitor the signal intensity that pressure transducer returns consistent with reference value when control system, but the air inlet frequency is lower than reference value half, opens alarm device and reports to the police, and reminds sufferer and nurse, and liquid-transport pipe-line causes transfusion speed to slow down because stop up.
Infusion bottle alarm for infusion 1 hangs over infusion bottle 2 belows by snap ring 11, and snap ring 11 is the annular of a side opening, and snap ring is stuck on the bottleneck of infusion bottle; Be provided with the contiguous block 14 of downward extension at the lower limb of snap ring, the lower limb of contiguous block links to each other with the roof of fuselage 12, makes fuselage hang over the snap ring below.
When snap ring was stuck on the bottleneck, fuselage was positioned at the bottle neck below.
Be provided with top-down groove 15 at fuselage towards the end face of upper tubing 5, groove is semicircle, and its diameter is greater than the diameter of upper tubing; During use, upper tubing is positioned at the transfusion tube seat.
Because infusion apparatus all is disposable, but reminiscences is need be reusable, in order to prevent the cross infection that may cause that is connected between infusion apparatus and the reminiscences, therefore, disposable isolator is set between reminiscences and infusion apparatus, just can effectively prevents the cross infection that may cause that is connected between infusion apparatus and the reminiscences.
Above-described embodiment only is interpretation purposes of the present invention, and is not to be limitation of the present invention, and those skilled in the art in essential scope of the present invention, make a variety of changes or substitute, and also should belong to protection category of the present invention.
Claims (7)
1. an infusion bottle infusion method with infusion bottle (3) transfusion the time, hangs up reminiscences (1) at infusion bottle; Reminiscences (1) mainly comprises snap ring (11), fuselage (12), and fuselage is provided with spigot joint (13), and a spigot joint end links to each other with isolator (2), and the other end is equipped with pressure transducer, and pressure transducer is connected to control system by holding wire; Also be provided with alarm device and control system in the fuselage; Described isolator (2) comprises signal pipe (21), following spigot joint (22) and air bag (23); Air bag is divided into two independently spaces with the internal cavities of isolator, and one is signal space, and one is airflow space, and the opening of air bag is towards spigot joint down; Isolator is socketed on spigot joint (13) by last signal pipe (21); Be positioned at following spigot joint suction nozzle and the outlet nozzle of outwards giving prominence to that be provided with of airflow space, an end socket of outlet nozzle and air inlet pipe (4), suction nozzle communicates with outside air, is provided with pressure check valve in the suction nozzle; The other end of air inlet pipe is provided with air inlet needle, and the air inlet pinprick advances in the bottle neck; Air bag can be under the effect of negative pressure to the direction contraction distortion of suction nozzle; The distortion of air bag causes signal space to enlarge, thereby produces negative pressure, and negative pressure signal passes to pressure transducer by spigot joint (13); It is characterized in that: control system is carried out analytical judgment to the pressure signal that pressure transducer transmits, and determines whether to open alarm device and reports to the police.
2. infusion bottle infusion method according to claim 1 is characterized in that: when control system detected force value that pressure transducer returns less than the unlatching value of pressure check valve, pressure check valve was in closed condition; When force value during greater than the unlatching value of pressure check valve, control system is opened the pressure check valve air inlet.
3. infusion bottle infusion method according to claim 2, it is characterized in that: when the medicinal liquid in the infusion bottle is higher than air inlet needle, when medicinal liquid flows away when causing the negative pressure that produces in the infusion bottle enough big, the air admission of inhaling in moving air inlet pipe and the airflow space replenishes, thereby make air inlet pipe and airflow space also produce negative pressure, air bag is to the direction contraction distortion of suction nozzle; Negative pressure in airflow space continues to increase, up to the unlatching value of negative pressure greater than pressure check valve, pressure check valve is opened, extraneous air flows into airflow space and air inlet pipe, adds in the infusion bottle, and the inside and outside pressure of infusion bottle is averaged out, air stops to enter infusion bottle, negative pressure in air inlet pipe and the airflow space reduces, and air bag is replied original shape, and pressure check valve is closed.
4. infusion bottle infusion method according to claim 2, it is characterized in that: when the medicinal liquid in the infusion bottle is lower than air inlet needle, air communication in airflow space, air inlet pipe and the infusion bottle, when medicinal liquid continues can to make the air in the infusion bottle produce negative pressure when dirty, also produce identical negative pressure in the airflow space, when negative pressure during greater than the unlatching value of pressure check valve, pressure check valve is opened, and extraneous air admission airflow space and then enter infusion bottle makes medicinal liquid can continue following.
5. infusion bottle infusion method according to claim 1, it is characterized in that: after the beginning normal infusion, open the switch that is located on the fuselage, pressure transducer passes to control system with signal, information such as signal intensity when the air inlet frequency when control system is noted normal infusion and air inlet, and with these information as reference value, then, the pressure signal that control system is constantly sent pressure transducer compares with the reference value of noting, and determines whether to open alarm device and reports to the police.
6. infusion bottle infusion method according to claim 4, it is characterized in that: when liquid level is lower than the air inlet syringe needle, owing to there has not been the separation of liquid, therefore, will produce continuous negative pressure in air inlet pipe and airflow space, the signal that pressure transducer returns to control system is exactly continuous negative pressure signal, signal frequency also can change, when control system detects continuous negative pressure signal and frequency and is higher than reference value, control system is opened alarm device and is reported to the police, and reminds sufferer and nurse that transfusion is near completion.
7. infusion bottle infusion method according to claim 3: to monitor the signal intensity that pressure transducer returns consistent with reference value when control system, but the air inlet frequency is lower than reference value half, opening alarm device reports to the police, remind sufferer and nurse, liquid-transport pipe-line causes transfusion speed to slow down because stop up.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310276706.6A CN103301533B (en) | 2013-07-03 | 2013-07-03 | A kind of infusion bottle infusion set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310276706.6A CN103301533B (en) | 2013-07-03 | 2013-07-03 | A kind of infusion bottle infusion set |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103301533A true CN103301533A (en) | 2013-09-18 |
| CN103301533B CN103301533B (en) | 2015-10-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310276706.6A Expired - Fee Related CN103301533B (en) | 2013-07-03 | 2013-07-03 | A kind of infusion bottle infusion set |
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| Country | Link |
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| CN (1) | CN103301533B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106645771A (en) * | 2016-11-23 | 2017-05-10 | 睿科仪器（厦门）有限公司 | Inverted sample loading device |
| CN109833204A (en) * | 2017-11-24 | 2019-06-04 | 马文娅 | A kind of induction bright light hangs water bottle |
| CN111578146A (en) * | 2020-05-26 | 2020-08-25 | 万若（北京）环境工程技术有限公司 | Negative pressure pipe network monitoring station of negative pressure conveying system and water column plug eliminating method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2421024Y (en) * | 2000-05-30 | 2001-02-28 | 泸州医学院附属医院科技开发综合公司 | Automatic exhausting transfusion system |
| CN2539531Y (en) * | 2002-03-03 | 2003-03-12 | 杨建国 | Super sensitive air pressure infusion monitor |
| CN202446073U (en) * | 2012-01-04 | 2012-09-26 | 河南科技大学第一附属医院 | Double-end C-shaped fixator |
| US20130018301A1 (en) * | 2010-01-07 | 2013-01-17 | Fresenius Medical Care Holdings, Inc. | Dialysis Systems and Methods |
-
2013
- 2013-07-03 CN CN201310276706.6A patent/CN103301533B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2421024Y (en) * | 2000-05-30 | 2001-02-28 | 泸州医学院附属医院科技开发综合公司 | Automatic exhausting transfusion system |
| CN2539531Y (en) * | 2002-03-03 | 2003-03-12 | 杨建国 | Super sensitive air pressure infusion monitor |
| US20130018301A1 (en) * | 2010-01-07 | 2013-01-17 | Fresenius Medical Care Holdings, Inc. | Dialysis Systems and Methods |
| CN202446073U (en) * | 2012-01-04 | 2012-09-26 | 河南科技大学第一附属医院 | Double-end C-shaped fixator |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106645771A (en) * | 2016-11-23 | 2017-05-10 | 睿科仪器（厦门）有限公司 | Inverted sample loading device |
| CN109833204A (en) * | 2017-11-24 | 2019-06-04 | 马文娅 | A kind of induction bright light hangs water bottle |
| CN111578146A (en) * | 2020-05-26 | 2020-08-25 | 万若（北京）环境工程技术有限公司 | Negative pressure pipe network monitoring station of negative pressure conveying system and water column plug eliminating method |
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| Publication number | Publication date |
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| CN103301533B (en) | 2015-10-28 |
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Effective date of registration: 20170109 Address after: 261500 Shandong city of Weifang province Gaomi City Liquan Street Community Station Street No. 460 Patentee after: Cui Wenjuan Address before: P.O. Box No. 35 A007 District Fuhua road 528400 Guangdong city of Zhongshan Province Patentee before: Li Yaoqiang |
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Granted publication date: 20151028 Termination date: 20170703 |