CN111905185B - Method and device for detecting blockage of infusion pipeline of electronic micro pump - Google Patents
Method and device for detecting blockage of infusion pipeline of electronic micro pump Download PDFInfo
- Publication number
- CN111905185B CN111905185B CN202010713587.6A CN202010713587A CN111905185B CN 111905185 B CN111905185 B CN 111905185B CN 202010713587 A CN202010713587 A CN 202010713587A CN 111905185 B CN111905185 B CN 111905185B
- Authority
- CN
- China
- Prior art keywords
- electronic micro
- micro pump
- pump
- infusion
- current
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/142—Pressure infusion, e.g. using pumps
Abstract
The invention discloses a method and a device for detecting blockage of an infusion pipeline of an electronic micro pump, wherein the method comprises the following steps: a blockage detection step in the exhaust stage of the electronic micro pump, namely comparing the motor current of the electronic micro pump in the exhaust stage with a preset value, and judging whether the electronic micro pump is in a blockage state; an electronic micro pump infusion stage blockage detection step, namely comparing the motor current of the electronic micro pump in the infusion stage with a preset value, and judging whether the electronic micro pump is in a blockage state; the invention realizes the blockage detection of the electronic micro pump in the whole operation process by carrying out the blockage detection on the exhaust process and the infusion process of the electronic micro pump.
Description
All as the field of technology
The invention relates to the technical field of electronic micropumps, in particular to a method and a device for detecting blockage of an infusion pipeline of an electronic micropump.
The background art
The electronic micro pump is an intelligent infusion device, and a small amount of liquid medicine is accurately, uniformly and continuously infused into a human body in a micro-scale manner by utilizing the rotation of a controller driving motor, so that the infusion accuracy, safety and nursing quality are greatly improved, the workload of medical personnel is effectively reduced, and the working efficiency of the medical personnel is improved. With the continuous development of medical technology, people put higher demands on the safety and reliability of the electronic micro pump, and the detection of whether the infusion pipeline of the electronic micro pump is blocked becomes a technical problem to be solved by technical personnel in the field.
Content of the invention
The first purpose of the invention is to provide a method for detecting the blockage of the infusion pipeline of the electronic micro pump, which is used for detecting whether the infusion pipeline of the electronic micro pump is blocked in the processes of exhausting and infusing.
In order to realize the first purpose of the invention, the invention comprises the following technical scheme:
a method for detecting blockage of an infusion pipeline of an electronic micro pump comprises the following steps:
s120, an electronic micro pump exhaust stage blockage detection step, namely comparing the motor current of the electronic micro pump in the exhaust stage with a preset value, judging whether the electronic micro pump is in a blockage state, if so, entering a step S150, otherwise, continuing to perform the electronic micro pump exhaust stage blockage detection step until the exhaust stage is finished, and entering a step S130;
s130, an electronic micro pump infusion stage blockage detection step, namely comparing the motor current of the electronic micro pump in the infusion stage with a preset value, judging whether the electronic micro pump is in a blockage state, if so, entering the step S140, and if not, continuing to perform the electronic micro pump infusion stage blockage detection step;
s140, the electronic micro pump generates a blockage alarm and returns to the step S120;
s150, the electronic micro pump generates a blockage alarm and returns to the step S130.
As a specific implementation, the step S120 includes:
s121, starting the electronic micro pump to enable the electronic micro pump to normally operate and exhaust;
s122, detecting the motor current of the electronic micro pump;
s123, judging whether the motor current of the electronic micro pump is larger than a blocking current threshold value, if so, entering a step S150, and if not, entering a step S124;
s124, judging whether the absolute value of the difference between the motor current of the electronic micro pump and the normal infusion current threshold is larger than 0.25 time of the normal infusion current threshold, if so, entering a step S125, otherwise, continuing the blockage detection step of the exhaust stage of the electronic micro pump until the exhaust stage is finished, and entering a step S130;
s125, adjusting the blocking current threshold value according to a preset blocking current threshold value and the current blocking current threshold value by combining a formula I to obtain a dynamic blocking current threshold value, and entering the step S130;
the formula I is as follows: the dynamic blocking current threshold is equal to the preset blocking current threshold + (preset blocking current threshold-current blocking current threshold) × 25%.
As a specific implementation, the step S130 includes:
s131, starting the electronic micro pump to enable the electronic micro pump to normally operate for infusion;
s132, detecting the motor current of the electronic micro pump;
s133, judging whether the motor current of the electronic micro pump is larger than the blocking current threshold value, if so, entering the step S140, otherwise, returning to the step S132.
Further, step S110, an electronic micro pump threshold presetting step, presetting an electronic micro pump normal infusion current threshold and an occlusion current threshold;
as a specific implementation, the step S110 includes:
s111, starting the electronic micro pump to enable the electronic micro pump to be in a factory calibration mode;
s112, detecting the motor current of the electronic micro pump in a time period T1;
and S113, obtaining a normal infusion current threshold and a blocking current threshold of the electronic micro pump according to the motor current in the time period T1.
The second purpose of the invention is to provide a device for detecting the blockage of the infusion pipeline of the electronic micro pump, which is used for detecting whether the infusion pipeline of the electronic micro pump is blocked in the processes of air exhaust and infusion.
In order to realize the second purpose of the invention, the invention comprises the following technical scheme:
an electronic micro pump infusion pipeline blockage detection device comprises a control module, a current detection module, a display module, a communication module and an alarm module; the data acquisition end of the current detection module is electrically connected with the data output end of the electronic micro pump, and the data output end of the current detection module is connected with the data input end of the control module and used for acquiring the motor current of the electronic micro pump and sending the acquired motor current to the control module; the signal output end of the control module is connected with the information input end of the display module and the information input end of the communication module, and the control signal output end of the control module is connected with the control signal input end of the alarm module and the control signal input end of the electronic micro-pump, so that the control module is used for analyzing the motor current of the electronic micro-pump, sending the analysis result to the display module and the communication module, and controlling the alarm module to alarm or not and controlling the electronic micro-pump to operate according to the analysis result; the communication module is in communication connection with the client used by the medical staff and the client used by the patient or the family of the patient, and is used for feeding back the analysis result to the medical staff and the patient or the family of the patient in time.
As a specific implementation, the control module includes a single chip microcomputer.
As a specific implementation manner, the current detection module includes an operational amplifier circuit for detecting a current signal inside the motor.
As a specific embodiment, the display module comprises a display screen; the communication module includes a wireless communication module.
As a specific implementation mode, the alarm module alarms through sound or displays different states through different colors.
The invention has the beneficial effects that:
the blockage detection of the electronic micro pump in the whole operation process is realized by performing the blockage detection on the infusion pipeline in the exhaust process and the infusion process of the electronic micro pump; meanwhile, the invention judges whether the infusion pipeline of the electronic micro pump is in the blocking state by detecting the current of the motor when the electronic micro pump operates, compared with the prior art that the pressure sensor detects whether the infusion pipeline of the electronic micro pump is in the blocking state, the detection result is more accurate, the pressure sensor detects the electronic micro pump, and the normal operation of the electronic micro pump is influenced because the pressure sensor is easy to falsely report the blocking when a patient mistakenly touches or the consistency of a medicine box is poor. Furthermore, the invention adjusts the corresponding threshold value preset during factory calibration according to the actual operation condition, so that the blockage detection during the normal operation of the electronic micropump is more in line with the actual condition.
Description of the drawings
In order to more clearly illustrate the embodiments of the present invention, the drawings used in the embodiments will be briefly described below. The drawings in the following description are only examples of the invention and other drawings may be derived by those skilled in the art without inventive effort.
FIG. 1 is a flow chart of a method for detecting an occlusion in an infusion line of an electronic micropump, provided in an embodiment of the present invention;
fig. 2 is a block diagram of a device for detecting an obstruction in an infusion line of an electronic micro pump according to an embodiment of the present invention.
Embodiments (all) in this section
The present invention will be described in detail below with reference to the accompanying drawings.
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and do not limit the invention.
As shown in fig. 1, a method for detecting an obstruction in an infusion line of an electronic micro pump according to an embodiment of the present application includes the following steps:
s110, presetting a threshold value of the electronic micro pump;
in the present embodiment, the electronic micro-pump threshold in step S110 includes a normal infusion current threshold and an occlusion current threshold of the electronic micro-pump; the normal infusion current threshold is the average current value of the electronic micro pump in the normal running state; the blocking current threshold refers to a current value when the electronic micro pump is in a blocking state.
In the present embodiment, step S110 includes the following steps:
s111, starting the electronic micro pump to enable the electronic micro pump to be in a factory calibration mode;
s112, detecting the motor current of the electronic micro pump in a time period T1;
and S113, obtaining a normal infusion current threshold and a blocking current threshold of the electronic micro pump according to the motor current in the time period T1.
In the embodiment, the average value Iavg of the motor current in the time period T1 is set as the normal infusion current threshold of the electronic micro-pump; setting a value M of M times Iavg of the average value Iavg of the motor current in the time period T1 as a blocking current threshold, wherein M is larger than 1; the values of T1 and M can be designed according to actual requirements.
S120, a blockage detection step in an exhaust stage of the electronic micro pump;
in the present embodiment, step S120 includes the following steps:
s121, starting the electronic micro pump to enable the electronic micro pump to normally operate and exhaust;
s122, detecting the motor current of the electronic micro pump;
s123, judging whether the motor current of the electronic micro pump is larger than a blocking current threshold value, if so, entering a step S150, and if not, entering a step S124;
s124, judging whether the absolute value of the difference between the motor current of the electronic micro pump and the normal infusion current threshold is larger than 0.25 time of the normal infusion current threshold, if so, entering a step S125, otherwise, continuing to perform the blockage detection step in the exhaust stage of the electronic micro pump until the exhaust stage is finished, and entering a step S130;
s125, adjusting the blocking current threshold value according to a preset blocking current threshold value and the current blocking current threshold value by combining a formula I to obtain a dynamic blocking current threshold value, and entering the step S130;
the formula I is as follows: the dynamic blocking current threshold value is equal to a preset blocking current threshold value + (preset blocking current threshold value-current blocking current threshold value) 25%;
in this embodiment, after the electronic micro pump is matched with different drug cassettes, the motor current of the electronic micro pump in the exhaust phase may deviate from the normal infusion current threshold preset in the factory calibration of the electronic micro pump, which indicates that the motor current detected by the electronic micro pump may be inconsistent due to the difference of the drug cassettes, and the blocking detection during the normal operation of the electronic micro pump may be more in line with the actual situation by dynamically adjusting the corresponding threshold preset in the factory calibration.
S130, an electronic micro pump infusion stage blockage detection step;
in the present embodiment, step S130 includes the following steps:
s131, starting the electronic micro pump to enable the electronic micro pump to normally operate for infusion;
s132, detecting the motor current of the electronic micro pump;
s133, judging whether the motor current of the electronic micro pump is larger than a blocking current threshold value, if so, entering a step S140, otherwise, returning to the step S132;
s140, the electronic micro pump generates a blockage alarm and returns to the step S132;
s150, the electronic micro pump generates a blockage alarm and returns to the step S122.
In this embodiment, detecting the motor current of the electronic micro-pump includes acquiring the motor current of the electronic micro-pump at a frequency of 1Khz and low-pass filtering the acquired motor current.
In this embodiment, the normal operation process of the electronic micro-pump includes an exhaust process and an infusion process, and the blockage detection of the infusion pipeline is performed through the exhaust process and the infusion process of the electronic micro-pump, so that the blockage detection of the electronic micro-pump in the whole operation process is realized.
In the embodiment, whether the electronic micro pump is in the blocking state is judged by detecting the motor current when the electronic micro pump runs, and compared with the prior art that whether the electronic micro pump is in the blocking state is detected by a pressure sensor, the detection result is more accurate; when detecting the electronic micro pump by the pressure sensor, a patient mistakenly touches the electronic micro pump or the consistency of the medicine box is poor, the normal operation of the electronic micro pump is influenced due to easy misinformation and blockage.
As shown in fig. 2, an embodiment of the present application further provides a device for detecting an obstruction in an infusion line of an electronic micropump, including a control module, a current detection module, a display module, a communication module, and an alarm module; the data acquisition end of the current detection module is electrically connected with the data output end of the electronic micro pump, and the data output end of the current detection module is connected with the data input end of the control module and used for acquiring the motor current of the electronic micro pump and sending the acquired motor current to the control module; the signal output end of the control module is connected with the information input end of the display module and the information input end of the communication module, and the control signal output end of the control module is connected with the control signal input end of the alarm module and the control signal input end of the electronic micro pump, so that the control module is used for analyzing the motor current of the electronic micro pump, sending the analysis result to the display module and the communication module, and controlling whether the alarm module gives an alarm or not and controlling the operation of the electronic micro pump according to the analysis result; the communication module is in communication connection with a client (such as a computer, a mobile phone and the like) used by medical staff and a client (such as a mobile phone, a PAD, a smart watch and the like) used by patients or family members of the patients, and is used for feeding back the analysis result to the medical staff and the patients or the family members of the patients in time.
In this embodiment, the control module initially stores a preset normal infusion current threshold and a blocking current threshold; when the difference between the motor current when the electronic micro pump normally operates and the normal infusion current threshold preset when the electronic micro pump is in factory calibration is too large, the blocking current threshold is correspondingly adjusted, and the adjusted dynamic blocking current threshold is stored in the control module.
In this embodiment, the control module includes a single chip microcomputer; in other embodiments, the control module comprises a microprocessor; the current detection module is connected with a motor of the electronic micro pump and used for detecting the current in the motor, converting the current signal of the motor into a corresponding signal in real time and transmitting the signal to the single chip microcomputer, and obtaining a corresponding conclusion through the processing and analysis of the single chip microcomputer, namely that the electronic micro pump is in a normal operation state or a blocking state at present; the control signal output end of the singlechip is connected with a motor driving circuit of the electronic micro pump, and the operation of the motor is controlled by outputting a control signal to the motor driving circuit; when the current signal received by the single chip microcomputer is larger than a preset blocking current threshold value, the electronic micropump is in a blocking state, and the single chip microcomputer controls the alarm module to give an alarm; when the current signal received by the single chip microcomputer is smaller than a preset blocking current threshold value and is equal to or basically equal to a normal infusion current threshold value when the motor normally operates, the electronic micro pump is in a normal operation state (is not blocked), and the alarm module does not give an alarm.
In this embodiment, when the electronic micro pump is in a blocking state, the single chip controls the electronic micro pump to alarm blocking and controls the motor driving circuit to stop running through the alarm module, medical staff check the infusion pipeline of the electronic micro pump and make corresponding measures, check the blocking point in the electronic micro pump, after corresponding blocking is eliminated, the current detection module continuously detects when the motor rotates, the microprocessor continuously receives current information detected by the current detection module until the received current information is smaller than a preset blocking current threshold value, and the alarm module relieves the alarm.
In the embodiment, when the electronic micropump is in a blocking state, the single chip microcomputer controls the alarm unit to give an alarm; the display module receives an analysis result output by the singlechip and displays that the electronic micro pump is in a normal running state or a blocking state; the communication module receives the analysis result output by the singlechip and sends the analysis result to medical care personnel and patients/family members of patients, so that the abnormal operation state (blockage state) of the electronic micro pump can be found in time, and the personnel can conveniently and timely handle the abnormal operation state.
In this embodiment, the current detection module includes an operational amplifier circuit for detecting a current signal inside the motor, and the operational amplifier circuit is connected to the control module; the display module comprises a display screen; the communication module comprises a wireless communication module; the alarm module comprises a buzzer, and alarms through sound or displays the running state of the electronic micro pump in different colors, for example, the electronic micro pump is displayed in a blocking state in a red color, and the electronic micro pump is displayed in a normal running state in a green color without blocking.
The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.
Claims (7)
1. A method for detecting blockage of an infusion pipeline of an electronic micro pump is characterized by comprising the following steps:
s110, presetting an electronic micro pump threshold value, wherein the steps comprise steps S111 to S113:
s111, starting the electronic micro pump to enable the electronic micro pump to be in a factory calibration mode;
s112, detecting the motor current of the electronic micro pump in a time period T1 when the electronic micro pump is in a factory calibration mode;
s113, setting the average value of the motor current in the time period T1 as the normal infusion current threshold of the electronic micro pump and setting the M multiple value of the average value of the motor current in the time period T1 as the blocking current threshold, wherein M is larger than 1, according to the motor current in the time period T1;
s120, an electronic micro pump exhaust stage blockage detection step, namely comparing the motor current of the electronic micro pump in the exhaust stage with a preset value, judging whether the electronic micro pump is in a blockage state, if so, entering the step S150, otherwise, continuing to perform the electronic micro pump exhaust stage blockage detection step until the exhaust stage is finished, and entering the step S130;
the step S120 includes:
s121, starting the electronic micro pump to enable the electronic micro pump to normally operate and exhaust;
s122, detecting the motor current of the electronic micro pump;
s123, judging whether the motor current of the electronic micro pump is larger than a blocking current threshold value, if so, entering a step S150, and if not, entering a step S124;
s124, judging whether the absolute value of the difference between the motor current of the electronic micro pump and the normal infusion current threshold is larger than 0.25 time of the normal infusion current threshold, if so, entering a step S125, otherwise, continuing to perform the blockage detection step in the exhaust stage of the electronic micro pump until the exhaust stage is finished, and entering a step S130;
s125, adjusting the blocking current threshold value according to a preset blocking current threshold value and the current blocking current threshold value by combining a formula I to obtain a dynamic blocking current threshold value, and entering the step S130;
the formula I is as follows: dynamic blocking current threshold = preset blocking current threshold + (preset blocking current threshold-current blocking current threshold) × 25%;
s130, an electronic micro pump infusion stage blockage detection step, namely comparing the motor current of the electronic micro pump in the infusion stage with a preset value, judging whether the electronic micro pump is in a blockage state, if so, entering the step S140, and if not, continuing to perform the electronic micro pump infusion stage blockage detection step;
s140, the electronic micro pump generates a blockage alarm and returns to the step S120;
s150, the electronic micro pump generates a blockage alarm and returns to the step S130.
2. The method for detecting an occlusion in an infusion line of an electronic micro pump according to claim 1, wherein the step S130 comprises:
s131, starting the electronic micro pump to enable the electronic micro pump to normally operate for infusion;
s132, detecting the motor current of the electronic micro pump;
s133, judging whether the motor current of the electronic micro pump is larger than the blocking current threshold value, if so, entering the step S140, otherwise, returning to the step S132.
3. The utility model provides an electron micropump transfer line blocks up detection device which characterized in that: the device comprises a control module, a current detection module, a display module, a communication module and an alarm module; the data acquisition end of the current detection module is electrically connected with the data output end of the electronic micro pump, and the data output end of the current detection module is connected with the data input end of the control module and used for acquiring the motor current of the electronic micro pump and sending the acquired motor current to the control module; the signal output end of the control module is connected with the information input end of the display module and the information input end of the communication module, and the control signal output end of the control module is connected with the control signal input end of the alarm module and the control signal input end of the electronic micro pump and used for analyzing the motor current of the electronic micro pump, sending the analysis result to the display module and the communication module and controlling whether the alarm module gives an alarm or not and controlling the operation of the electronic micro pump according to the analysis result; the communication module is in communication connection with a client used by medical staff and a client used by a patient or family members of the patient and is used for feeding back an analysis result to the medical staff and the patient or the family members of the patient in time;
the device for detecting the blockage of the infusion pipeline of the electronic micro-pump adopts the method for detecting the blockage of the infusion pipeline of the electronic micro-pump according to any one of claims 1 to 2 to detect whether the infusion pipeline of the electronic micro-pump is blocked.
4. The device for detecting blockage of an infusion line of an electronic micro-pump according to claim 3, wherein: the control module comprises a single chip microcomputer.
5. The electronic micro-pump infusion line occlusion detection device of claim 3, wherein: the current detection module comprises an operational amplifier circuit for detecting a current signal in the motor.
6. The electronic micro-pump infusion line occlusion detection device of claim 3, wherein: the display module comprises a display screen; the communication module includes a wireless communication module.
7. The device for detecting blockage of an infusion line of an electronic micro-pump according to claim 3, wherein: the alarm module gives an alarm through sound or displays different states through different colors.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010713587.6A CN111905185B (en) | 2020-07-22 | 2020-07-22 | Method and device for detecting blockage of infusion pipeline of electronic micro pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010713587.6A CN111905185B (en) | 2020-07-22 | 2020-07-22 | Method and device for detecting blockage of infusion pipeline of electronic micro pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111905185A CN111905185A (en) | 2020-11-10 |
| CN111905185B true CN111905185B (en) | 2022-07-26 |
Family
ID=73280579
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010713587.6A Active CN111905185B (en) | 2020-07-22 | 2020-07-22 | Method and device for detecting blockage of infusion pipeline of electronic micro pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111905185B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113521450B (en) * | 2021-07-14 | 2022-10-25 | 巨翊科技（上海）有限公司 | Method for automatically detecting no-load current and correcting current alarm threshold |
| WO2024000456A1 (en) * | 2022-06-30 | 2024-01-04 | 深圳麦科田生物医疗技术股份有限公司 | Drug infusion apparatus, blockage detection method, detection system, and storage medium |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105521532A (en) * | 2016-01-26 | 2016-04-27 | 北京英诺达医疗科技有限公司 | Blockage detection device and method of injection pump |
| WO2016180010A1 (en) * | 2015-05-14 | 2016-11-17 | 深圳市科曼医疗设备有限公司 | Infusion apparatus inner blocking pressure release method and device, and infusion pump |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7621893B2 (en) * | 1998-10-29 | 2009-11-24 | Medtronic Minimed, Inc. | Methods and apparatuses for detecting occlusions in an ambulatory infusion pump |
| US7255683B2 (en) * | 2003-12-31 | 2007-08-14 | Cardinal Health 303, Inc. | System for detecting the status of a vent associated with a fluid supply upstream of an infusion pump |
| WO2016030836A1 (en) * | 2014-08-26 | 2016-03-03 | Debiotech S.A. | Detection of an infusion anomaly |
| CN105169520B (en) * | 2015-10-30 | 2019-02-22 | 江苏人先医疗科技有限公司 | Electronic transfusion pump and its method of controlling exhaust gas |
-
2020
- 2020-07-22 CN CN202010713587.6A patent/CN111905185B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016180010A1 (en) * | 2015-05-14 | 2016-11-17 | 深圳市科曼医疗设备有限公司 | Infusion apparatus inner blocking pressure release method and device, and infusion pump |
| CN105521532A (en) * | 2016-01-26 | 2016-04-27 | 北京英诺达医疗科技有限公司 | Blockage detection device and method of injection pump |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111905185A (en) | 2020-11-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP3280468B1 (en) | Improved breastmilk expression system with detection, feedback and connectability features | |
| CN111905185B (en) | Method and device for detecting blockage of infusion pipeline of electronic micro pump | |
| US20210030930A1 (en) | Reduced pressure therapy apparatus construction and control | |
| US20200289723A1 (en) | Reduced pressure therapy apparatus construction and control | |
| US20130298063A1 (en) | Active Overlay of Diabetes Management Information on a Display | |
| US11554206B2 (en) | Negative pressure wound therapy device using a vacuum generating pump providing audible therapy feedback | |
| EP4000669A1 (en) | Infusion state detection method for infusion pump, infusion pump, medical device and storage medium | |
| US10276038B2 (en) | Remote notification system for medical devices | |
| CN207221057U (en) | Cerebrospinal fluid active guiding device based on pressure sensor | |
| CN208741652U (en) | Medical monitor | |
| CN113134129A (en) | Infusion pump and infusion pump bubble detection method | |
| CN201263836Y (en) | Intelligent type balloon dilatation controller for cricopharyngeal achalasia | |
| CN213347227U (en) | Intelligent transfusion detection device | |
| CN101648047B (en) | Intelligent balloon dilatation controlling device for cricopharyngeal muscle achalasia | |
| EP4184787A1 (en) | Devices and methods for controlling electromechanical actuators | |
| EP3823685B1 (en) | Wound therapy system with conduit blockage detection | |
| CN115670933A (en) | Infant feeding system based on sucking action detection and control method thereof | |
| Chitra et al. | Automatic Flow Control Electrolyte Monitoring System | |
| CN114788909A (en) | Infusion state detection method for infusion pump and infusion pump | |
| CN110152116A (en) | Infusion control method, device, terminal and computer readable storage medium | |
| CN106237448A (en) | A kind of automatic infusion control system | |
| CN115356957A (en) | Infusion mode control system and method for infusion pump |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |