CN112098055A - System and method for detecting blood transfusion pipeline shaking - Google Patents
System and method for detecting blood transfusion pipeline shaking Download PDFInfo
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- 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
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/14—Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis
- A61M1/16—Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis with membranes
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Abstract
The invention relates to a blood transfusion pipeline shake detection system, comprising: the oxygenator structure comprises an uninterruptible power supply, oxygen supply equipment, a blood supply pipeline, a blood conveying pipeline and an oxygenation executing mechanism, wherein the oxygenation executing mechanism is respectively connected with the oxygen supply equipment, the blood supply pipeline and the blood conveying pipeline; a continuous acquisition mechanism disposed in the vicinity of the oxygenator structure, for performing image acquisition facing a blood delivery conduit of the oxygenator structure to obtain a plurality of on-site acquired images respectively corresponding to a plurality of acquisition timings, and outputting each on-site acquired image as an image to be processed. The invention also relates to a blood transfusion pipeline shake detection method. The blood transfusion pipeline shake detection system and the method provided by the invention are stable in operation and effective in monitoring. The shaking state of the blood conveying pipeline of the oxygenator structure can be detected and analyzed on site, and the shaking scene of the blood conveying pipeline of the oxygenator structure can be identified in time, so that corresponding measures can be conveniently and subsequently executed.
Description
Technical Field
The invention relates to the field of oxygenators, in particular to a blood transfusion pipeline jitter detection system and a method.
Background
The membrane oxygenator has the outstanding advantages of high gas exchange efficiency and slight blood damage degree.
The membrane oxygenator has strong gas exchange capacity, and only the blowing amount of gas needs to be increased for improving the exchange of carbon dioxide, and the blood flow does not need to be changed. Since blood gas goes aside, when the air flow is increased, the damage of blood cells and the oxygenation capacity are not increased, and the danger of air embolism is not increased. Due to the high permeability of the membrane oxygenator to oxygen, optimal oxygenation can be achieved with very little oxygen sparging. The oxygenation of blood can be regulated by gaseous oxygen concentration. Thus, the membrane oxygenator is easy to adjust the oxygen partial pressure, carbon dioxide partial pressure, and pH during use.
The complement used in membrane oxygenators is a type of protein in plasma, which is rapidly activated to produce a series of responses when stimulated by certain factors. Complement activation by membrane oxygenators is a result of contact between blood and foreign body surfaces, primarily through alternative pathways. The complement activation of the bubbled oxygenator is a result of direct contact between qi and blood, activated primarily by the classical pathway. Immunoglobulins may potentiate classical activation. Membrane oxygenators complement activation to a lesser extent than bubble oxygenators. The membrane oxygenator is oxygenated like human lungs, qi and blood are not directly contacted, bubble generation and elimination processes of bubbling are avoided, and damage to red blood cells is light. The membrane oxygenator can reduce platelet consumption.
Disclosure of Invention
In order to solve the related technical problems in the prior art, the invention provides a blood transfusion pipeline shake detection system and a method, which can carry out on-site detection and analysis on the shake state of a blood transfusion pipeline of an oxygenator structure, and identify the shaking scene of the blood transfusion pipeline of the oxygenator structure in time, thereby facilitating the subsequent execution of corresponding measures and reducing the interference on the oxygenator structure as much as possible.
Therefore, the present invention needs to have at least two important points:
(1) detecting each distribution position of each time of a blood conveying pipeline of the oxygenator structure, analyzing the trembling of the blood conveying pipeline based on the overlapping degree of each distribution position, and identifying the trembling state of the blood conveying pipeline;
(2) the higher the degree of overlap of the respective distribution positions at the respective times of the blood vessel tract along the time axis, the lower the calculated jitter level of the blood vessel tract.
According to an aspect of the present invention, there is provided a blood transfusion line jitter detection system, the system comprising:
the oxygenator structure comprises an uninterruptible power supply, oxygen supply equipment, a blood supply pipeline, a blood conveying pipeline and an oxygenation executing mechanism, wherein the oxygenation executing mechanism is respectively connected with the oxygen supply equipment, the blood supply pipeline and the blood conveying pipeline;
a continuous acquisition mechanism, disposed in the vicinity of the oxygenator structure, for performing image acquisition facing a blood delivery conduit of the oxygenator structure to obtain a plurality of on-site acquired images corresponding to a plurality of acquisition times, respectively, and outputting each on-site acquired image as an image to be processed;
the appearance searching device is connected with the continuous acquisition mechanism and used for searching an image area matched with the appearance of the blood transfusion channel from each image to be processed to serve as an area to be compared and output;
the curve extraction device is connected with the appearance search device and used for traversing and extracting central pixel points of the area to be compared in the direction perpendicular to the trend along the pipeline corresponding to the area to be compared to each position of the area to be compared, and fitting a current pipeline curve matched with the pipeline trend corresponding to the area to be compared based on the central pixel points respectively corresponding to each position;
the jitter analysis equipment is connected with the curve extraction equipment and used for obtaining a plurality of current pipeline curves corresponding to a plurality of acquisition moments respectively and calculating the jitter grade of the blood conveying pipeline based on the overlapping degree of the current pipeline curves along a time axis;
the highlight display device is arranged near the oxygenator structure, connected with the jitter analysis device and used for highlighting the blood conveying pipeline trembling information when the jitter level of the blood conveying pipeline exceeds a preset level threshold;
wherein calculating a jitter level of the blood delivery channel based on a degree of overlap of the plurality of current channel curves along a time axis comprises: the higher the overlapping degree of the multiple current pipeline curves along a time axis is, the lower the calculated jitter level of the blood conveying pipeline is;
wherein, walking to each position of waiting to compare the region along the pipeline that waits to compare the region correspondence and traversing extraction and trend vertical direction wait to compare regional center pixel point include: and aiming at the area to be compared, taking a pixel point at the central position in the direction vertical to the trend in a plurality of pixel points occupied by the area to be compared at each position of the pipeline in the direction vertical to the trend as a central pixel point corresponding to the position.
According to another aspect of the present invention, there is also provided a blood transfusion line shake detection method, the method including:
the oxygenator structure is used and comprises an uninterruptible power supply, an oxygen supply device, a blood supply pipeline, a blood conveying pipeline and an oxygenation executing mechanism, wherein the oxygenation executing mechanism is respectively connected with the oxygen supply device, the blood supply pipeline and the blood conveying pipeline;
using a continuous acquisition mechanism disposed in the vicinity of the oxygenator structure for performing image acquisition facing a blood delivery conduit of the oxygenator structure to obtain a plurality of on-site acquired images corresponding to a plurality of acquisition timings, respectively, and outputting each on-site acquired image as an image to be processed;
using a shape searching device connected with the continuous acquisition mechanism and used for searching an image area matched with the shape of the blood transfusion tract from each image to be processed to serve as an area to be compared for output;
using curve extraction equipment, connecting with the shape search equipment, and traversing and extracting central pixel points of the area to be compared in the direction vertical to the trend along the pipeline corresponding to the area to be compared to each position of the area to be compared, and fitting to form a current pipeline curve matched with the pipeline trend corresponding to the area to be compared based on each central pixel point corresponding to each position;
using jitter analysis equipment, connected with the curve extraction equipment, for obtaining a plurality of current pipeline curves corresponding to a plurality of acquisition moments respectively, and calculating the jitter level of the blood conveying pipeline based on the overlapping degree of the plurality of current pipeline curves along a time axis;
using a highlight display device, arranged near the oxygenator structure, connected with the jitter analysis device, and used for highlighting the blood conveying pipeline trembling information when the jitter level of the blood conveying pipeline exceeds a preset level threshold;
wherein calculating a jitter level of the blood delivery channel based on a degree of overlap of the plurality of current channel curves along a time axis comprises: the higher the overlapping degree of the multiple current pipeline curves along a time axis is, the lower the calculated jitter level of the blood conveying pipeline is;
wherein, walking to each position of waiting to compare the region along the pipeline that waits to compare the region correspondence and traversing extraction and trend vertical direction wait to compare regional center pixel point include: and aiming at the area to be compared, taking a pixel point at the central position in the direction vertical to the trend in a plurality of pixel points occupied by the area to be compared at each position of the pipeline in the direction vertical to the trend as a central pixel point corresponding to the position.
The blood transfusion pipeline shake detection system and the method provided by the invention are stable in operation and effective in monitoring. The shaking state of the blood conveying pipeline of the oxygenator structure can be detected and analyzed on site, and the shaking scene of the blood conveying pipeline of the oxygenator structure can be identified in time, so that corresponding measures can be conveniently and subsequently executed.
Drawings
Embodiments of the invention will now be described with reference to the accompanying drawings, in which:
fig. 1 is a schematic diagram of an extracorporeal oxygenation scenario in which a blood transfusion circuit jitter detection system is employed, according to an embodiment of the present invention.
Detailed Description
Embodiments of the blood transfusion line shaking detection system and method of the present invention will be described in detail below with reference to the accompanying drawings.
Medical supplies are a generic term for articles used for treating wounds or for treating diseases. Medical supplies may include household medical supplies, pet medical supplies, and the like. Medical supplies are very close to people, and from a small aspect, articles required for wrapping wounds at ordinary times are included in the medical supplies, such as medicine bottles, plastics, transparent bottles, plastic bottles, eye water bottles and liquid medicine bottles. In large terms, some equipment products for general fitness are also included, as are large equipment products required for surgery. Generally, a medical article is an auxiliary device or article used in medicine.
As a medical article for rescue, the current oxygenator cannot carry out on-site detection and analysis on the shaking state of a blood conveying pipeline of the oxygenator structure, and identify the shaking scene of the blood conveying pipeline of the oxygenator structure in time, so that corresponding measures can be conveniently and subsequently executed, and the interference on the oxygenator structure cannot be reduced as much as possible.
In order to overcome the defects, the invention builds a system and a method for detecting the shaking of the blood transfusion pipeline, and can effectively solve the corresponding technical problems.
Fig. 1 is a schematic diagram of an extracorporeal oxygenation scenario to which a blood transfusion circuit jitter detection system is applied, the system including:
the oxygenator structure comprises an uninterruptible power supply, oxygen supply equipment, a blood supply pipeline, a blood conveying pipeline and an oxygenation executing mechanism, wherein the oxygenation executing mechanism is respectively connected with the oxygen supply equipment, the blood supply pipeline and the blood conveying pipeline;
a continuous acquisition mechanism, disposed in the vicinity of the oxygenator structure, for performing image acquisition facing a blood delivery conduit of the oxygenator structure to obtain a plurality of on-site acquired images corresponding to a plurality of acquisition times, respectively, and outputting each on-site acquired image as an image to be processed;
the appearance searching device is connected with the continuous acquisition mechanism and used for searching an image area matched with the appearance of the blood transfusion channel from each image to be processed to serve as an area to be compared and output;
the curve extraction device is connected with the appearance search device and used for traversing and extracting central pixel points of the area to be compared in the direction perpendicular to the trend along the pipeline corresponding to the area to be compared to each position of the area to be compared, and fitting a current pipeline curve matched with the pipeline trend corresponding to the area to be compared based on the central pixel points respectively corresponding to each position;
the jitter analysis equipment is connected with the curve extraction equipment and used for obtaining a plurality of current pipeline curves corresponding to a plurality of acquisition moments respectively and calculating the jitter grade of the blood conveying pipeline based on the overlapping degree of the current pipeline curves along a time axis;
the highlight display device is arranged near the oxygenator structure, connected with the jitter analysis device and used for highlighting the blood conveying pipeline trembling information when the jitter level of the blood conveying pipeline exceeds a preset level threshold;
wherein calculating a jitter level of the blood delivery channel based on a degree of overlap of the plurality of current channel curves along a time axis comprises: the higher the overlapping degree of the multiple current pipeline curves along a time axis is, the lower the calculated jitter level of the blood conveying pipeline is;
wherein, walking to each position of waiting to compare the region along the pipeline that waits to compare the region correspondence and traversing extraction and trend vertical direction wait to compare regional center pixel point include: and aiming at the area to be compared, taking a pixel point at the central position in the direction vertical to the trend in a plurality of pixel points occupied by the area to be compared at each position of the pipeline in the direction vertical to the trend as a central pixel point corresponding to the position.
Next, the specific configuration of the blood transfusion line shaking detection system of the present invention will be further described.
In the blood transfusion line shake detection system:
traversing and extracting the central pixel points of the to-be-compared area in the direction vertical to the trend of the to-be-compared area from each position of the to-be-compared area along the pipeline corresponding to the to-be-compared area comprises the following steps: and traversing and extracting each central pixel point which corresponds to each position of the area to be compared respectively along the pipeline corresponding to the area to be compared.
In the blood transfusion line shake detection system:
the profile searching means, the curve extraction means and the jitter analysis means are all located within a control box near the oxygenator structure.
In the blood transfusion line shake detection system:
the appearance searching device, the curve extracting device and the jitter analyzing device are respectively realized by ASIC chips with different models and are powered by the uninterruptible power supply.
In the blood transfusion line shake detection system:
in the continuous acquisition mechanism, the plurality of acquisition moments are all uniformly distributed moments in a time period from the current moment to the previous preset time length.
The blood transfusion line shaking detection method shown according to the embodiment of the present invention includes:
the oxygenator structure is used and comprises an uninterruptible power supply, an oxygen supply device, a blood supply pipeline, a blood conveying pipeline and an oxygenation executing mechanism, wherein the oxygenation executing mechanism is respectively connected with the oxygen supply device, the blood supply pipeline and the blood conveying pipeline;
using a continuous acquisition mechanism disposed in the vicinity of the oxygenator structure for performing image acquisition facing a blood delivery conduit of the oxygenator structure to obtain a plurality of on-site acquired images corresponding to a plurality of acquisition timings, respectively, and outputting each on-site acquired image as an image to be processed;
using a shape searching device connected with the continuous acquisition mechanism and used for searching an image area matched with the shape of the blood transfusion tract from each image to be processed to serve as an area to be compared for output;
using curve extraction equipment, connecting with the shape search equipment, and traversing and extracting central pixel points of the area to be compared in the direction vertical to the trend along the pipeline corresponding to the area to be compared to each position of the area to be compared, and fitting to form a current pipeline curve matched with the pipeline trend corresponding to the area to be compared based on each central pixel point corresponding to each position;
using jitter analysis equipment, connected with the curve extraction equipment, for obtaining a plurality of current pipeline curves corresponding to a plurality of acquisition moments respectively, and calculating the jitter level of the blood conveying pipeline based on the overlapping degree of the plurality of current pipeline curves along a time axis;
using a highlight display device, arranged near the oxygenator structure, connected with the jitter analysis device, and used for highlighting the blood conveying pipeline trembling information when the jitter level of the blood conveying pipeline exceeds a preset level threshold;
wherein calculating a jitter level of the blood delivery channel based on a degree of overlap of the plurality of current channel curves along a time axis comprises: the higher the overlapping degree of the multiple current pipeline curves along a time axis is, the lower the calculated jitter level of the blood conveying pipeline is;
wherein, walking to each position of waiting to compare the region along the pipeline that waits to compare the region correspondence and traversing extraction and trend vertical direction wait to compare regional center pixel point include: and aiming at the area to be compared, taking a pixel point at the central position in the direction vertical to the trend in a plurality of pixel points occupied by the area to be compared at each position of the pipeline in the direction vertical to the trend as a central pixel point corresponding to the position.
Next, the specific steps of the blood transfusion line shaking detection method of the present invention will be further described.
In the blood transfusion pipeline shake detection method:
traversing and extracting the central pixel points of the to-be-compared area in the direction vertical to the trend of the to-be-compared area from each position of the to-be-compared area along the pipeline corresponding to the to-be-compared area comprises the following steps: and traversing and extracting each central pixel point which corresponds to each position of the area to be compared respectively along the pipeline corresponding to the area to be compared.
In the blood transfusion pipeline shake detection method:
the profile searching means, the curve extraction means and the jitter analysis means are all located within a control box near the oxygenator structure.
In the blood transfusion pipeline shake detection method:
the appearance searching device, the curve extracting device and the jitter analyzing device are respectively realized by ASIC chips with different models and are powered by the uninterruptible power supply.
In the blood transfusion pipeline shake detection method:
in the continuous acquisition mechanism, the plurality of acquisition moments are all uniformly distributed moments in a time period from the current moment to the previous preset time length.
In addition, within the integrated circuit world, an ASIC is considered to be a purpose-built integrated circuit. Refers to integrated circuits designed and manufactured to meet the needs of a particular user and the needs of a particular electronic system. The ASIC is characterized by facing the requirements of specific users, and compared with a general integrated circuit, the ASIC has the advantages of smaller volume, lower power consumption, improved reliability, improved performance, enhanced confidentiality, reduced cost and the like during batch production.
An integrated circuit (integrated circuit) is a type of microelectronic device or component. The elements such as transistor, resistor, capacitor and inductor and wiring required in a circuit are interconnected together by adopting a certain process, manufactured on one or a plurality of small semiconductor wafers or medium substrates, and then packaged in a tube shell to form a micro structure with the required circuit function; all the elements are structurally integrated, so that the electronic elements are greatly miniaturized, low in power consumption, intelligent and high in reliability. Integrated circuits were invented in the last 70 th century by the inventor in the jackkok-kirschner ratio (integrated circuits based on germanium (Ge)) and robert-noesi (integrated circuits based on silicon (Si)).
Finally, it should be noted that each functional device in the embodiments of the present invention may be integrated into one processing device, or each device may exist alone physically, or two or more devices may be integrated into one device.
The functions, if implemented in the form of software-enabled devices and sold or used as a stand-alone product, may be stored in a computer-readable storage medium. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. A blood transfusion line jitter detection system, the system comprising:
the oxygenator structure comprises an uninterruptible power supply, oxygen supply equipment, a blood supply pipeline, a blood conveying pipeline and an oxygenation executing mechanism, wherein the oxygenation executing mechanism is respectively connected with the oxygen supply equipment, the blood supply pipeline and the blood conveying pipeline;
a continuous acquisition mechanism, disposed in the vicinity of the oxygenator structure, for performing image acquisition facing a blood delivery conduit of the oxygenator structure to obtain a plurality of on-site acquired images corresponding to a plurality of acquisition times, respectively, and outputting each on-site acquired image as an image to be processed;
the appearance searching device is connected with the continuous acquisition mechanism and used for searching an image area matched with the appearance of the blood transfusion channel from each image to be processed to serve as an area to be compared and output;
the curve extraction device is connected with the appearance search device and used for traversing and extracting central pixel points of the area to be compared in the direction perpendicular to the trend along the pipeline corresponding to the area to be compared to each position of the area to be compared, and fitting a current pipeline curve matched with the pipeline trend corresponding to the area to be compared based on the central pixel points respectively corresponding to each position;
the jitter analysis equipment is connected with the curve extraction equipment and used for obtaining a plurality of current pipeline curves corresponding to a plurality of acquisition moments respectively and calculating the jitter grade of the blood conveying pipeline based on the overlapping degree of the current pipeline curves along a time axis;
the highlight display device is arranged near the oxygenator structure, connected with the jitter analysis device and used for highlighting the blood conveying pipeline trembling information when the jitter level of the blood conveying pipeline exceeds a preset level threshold;
wherein calculating a jitter level of the blood delivery channel based on a degree of overlap of the plurality of current channel curves along a time axis comprises: the higher the overlapping degree of the multiple current pipeline curves along a time axis is, the lower the calculated jitter level of the blood conveying pipeline is;
wherein, walking to each position of waiting to compare the region along the pipeline that waits to compare the region correspondence and traversing extraction and trend vertical direction wait to compare regional center pixel point include: and aiming at the area to be compared, taking a pixel point at the central position in the direction vertical to the trend in a plurality of pixel points occupied by the area to be compared at each position of the pipeline in the direction vertical to the trend as a central pixel point corresponding to the position.
2. The blood line jitter detection system of claim 1, wherein:
traversing and extracting the central pixel points of the to-be-compared area in the direction vertical to the trend of the to-be-compared area from each position of the to-be-compared area along the pipeline corresponding to the to-be-compared area comprises the following steps: and traversing and extracting each central pixel point which corresponds to each position of the area to be compared respectively along the pipeline corresponding to the area to be compared.
3. The blood line jitter detection system of claim 2, wherein:
the profile searching means, the curve extraction means and the jitter analysis means are all located within a control box near the oxygenator structure.
4. The blood line jitter detection system of claim 3, wherein:
the appearance searching device, the curve extracting device and the jitter analyzing device are respectively realized by ASIC chips with different models and are powered by the uninterruptible power supply.
5. The blood line jitter detection system of claim 4, wherein:
in the continuous acquisition mechanism, the plurality of acquisition moments are all uniformly distributed moments in a time period from the current moment to the previous preset time length.
6. A method of blood transfusion line jitter detection, the method comprising:
the oxygenator structure is used and comprises an uninterruptible power supply, an oxygen supply device, a blood supply pipeline, a blood conveying pipeline and an oxygenation executing mechanism, wherein the oxygenation executing mechanism is respectively connected with the oxygen supply device, the blood supply pipeline and the blood conveying pipeline;
using a continuous acquisition mechanism disposed in the vicinity of the oxygenator structure for performing image acquisition facing a blood delivery conduit of the oxygenator structure to obtain a plurality of on-site acquired images corresponding to a plurality of acquisition timings, respectively, and outputting each on-site acquired image as an image to be processed;
using a shape searching device connected with the continuous acquisition mechanism and used for searching an image area matched with the shape of the blood transfusion tract from each image to be processed to serve as an area to be compared for output;
using curve extraction equipment, connecting with the shape search equipment, and traversing and extracting central pixel points of the area to be compared in the direction vertical to the trend along the pipeline corresponding to the area to be compared to each position of the area to be compared, and fitting to form a current pipeline curve matched with the pipeline trend corresponding to the area to be compared based on each central pixel point corresponding to each position;
using jitter analysis equipment, connected with the curve extraction equipment, for obtaining a plurality of current pipeline curves corresponding to a plurality of acquisition moments respectively, and calculating the jitter level of the blood conveying pipeline based on the overlapping degree of the plurality of current pipeline curves along a time axis;
using a highlight display device, arranged near the oxygenator structure, connected with the jitter analysis device, and used for highlighting the blood conveying pipeline trembling information when the jitter level of the blood conveying pipeline exceeds a preset level threshold;
wherein calculating a jitter level of the blood delivery channel based on a degree of overlap of the plurality of current channel curves along a time axis comprises: the higher the overlapping degree of the multiple current pipeline curves along a time axis is, the lower the calculated jitter level of the blood conveying pipeline is;
wherein, walking to each position of waiting to compare the region along the pipeline that waits to compare the region correspondence and traversing extraction and trend vertical direction wait to compare regional center pixel point include: and aiming at the area to be compared, taking a pixel point at the central position in the direction vertical to the trend in a plurality of pixel points occupied by the area to be compared at each position of the pipeline in the direction vertical to the trend as a central pixel point corresponding to the position.
7. The method of claim 6, wherein the step of detecting the blood line shaking comprises:
traversing and extracting the central pixel points of the to-be-compared area in the direction vertical to the trend of the to-be-compared area from each position of the to-be-compared area along the pipeline corresponding to the to-be-compared area comprises the following steps: and traversing and extracting each central pixel point which corresponds to each position of the area to be compared respectively along the pipeline corresponding to the area to be compared.
8. The method of claim 7, wherein the step of detecting the blood line shaking comprises:
the profile searching means, the curve extraction means and the jitter analysis means are all located within a control box near the oxygenator structure.
9. The method of claim 8, wherein the step of detecting the blood line shaking comprises:
the appearance searching device, the curve extracting device and the jitter analyzing device are respectively realized by ASIC chips with different models and are powered by the uninterruptible power supply.
10. The method of claim 9, wherein the step of detecting the blood line shaking comprises:
in the continuous acquisition mechanism, the plurality of acquisition moments are all uniformly distributed moments in a time period from the current moment to the previous preset time length.
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| CN104906643A (en) * | 2015-06-03 | 2015-09-16 | 湖南人文科技学院 | Blood pumping device |
| CN107013811A (en) * | 2017-04-12 | 2017-08-04 | 武汉科技大学 | A kind of pipeline liquid leakage monitoring method based on image procossing |
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