CN117232902A - System and method for continuously monitoring blood and qi parameters of patient - Google Patents

Abstract

The application discloses a system and a method for continuously monitoring blood and gas parameters of a patient, wherein the system comprises the following steps: the blood collection module is connected with a blood communication pipe and can be connected with the blood communication pipe to collect blood, the blood collection module is connected with the blood communication pipe to collect blood and then outputs the blood to the blood gas analysis module, the blood collection module is connected with the reagent pack connecting pipe through the blood collection module, and reagent is output to the blood gas analysis module to detect blood gas parameters.

Description

System and method for continuously monitoring blood and qi parameters of patient

Technical Field

The application relates to the field of medical equipment, in particular to a system and a method for continuously monitoring blood and gas parameters of a patient.

Background

Blood gas analysis is essential for the management and treatment of many critically ill patients, and these results provide important information to the physician regarding oxygenation, gas exchange, ventilation, acid-base balance status, etc. Blood gas parameters include blood pH, pCO2, pO2, cNa +, cK+, cCa2+, ctHb, metHb, COHb, and the like.

With the development of medical technology, the timely and accurate detection needs are more and more important, especially, ECMO (extracorporeal membrane oxygenation) and organ perfusion machines (for organ transportation, transplantation and culture) need to monitor blood gas parameters in real time.

However, in the blood gas analysis in the prior art, the blood is drawn and inspected at a single point manually, the blood drawing amount is large, and the inspection period is long; however, the extracorporeal circulation continuous blood gas monitoring system of foreign enterprises has limited measured parameters and poorer precision compared with the traditional blood gas analyzer, so that how to realize sustainable monitoring of blood gas parameters and improve monitoring efficiency is a technical problem to be solved urgently.

Disclosure of Invention

The application aims to realize sustainable monitoring of blood gas parameters.

The technical aim of the application is realized by the following technical scheme:

a system for continuously monitoring a blood gas parameter of a patient, comprising: the blood sampling module is connected with a blood communicating pipe and can be connected with the blood communicating pipe for blood sampling, and the blood sampling module is connected with the blood communicating pipe for blood sampling and then outputs the blood to the blood gas analysis module, and is connected with the reagent package connecting pipe through the blood sampling module, and outputs reagent to the blood gas analysis module for blood gas parameter detection.

According to the scheme, the blood sampling module is used for sampling blood and collecting reagents, the connecting pipeline is switched to realize collection and conveying to the blood gas analysis module, intelligent blood sampling and intelligent analysis are realized, sustainable monitoring of blood gas parameters is realized, and blood gas parameter monitoring efficiency is improved.

Optionally, the system for continuously monitoring blood gas parameters of a patient, wherein the blood gas analysis module comprises: the reagent package unit, test card unit, be equipped with multiple reagent in the reagent package unit and deposit the piece, reagent is deposited the piece and is connected with the liquid gas selector, can switch different reagent outputs, the reagent package unit is connected with the reagent package connecting pipe, test card unit is connected with the blood sampling module, after blood sampling module is connected with the reagent package connecting pipe, and reagent is exported to test card unit through the blood sampling module and is detected.

According to the scheme, the reagent type can be switched through the reagent pack unit, the reagent is conveyed through the test pack unit and the reagent pack connecting pipe, and the test card unit is used for detecting, so that different blood gas parameters are detected.

Optionally, the system for continuously monitoring blood gas parameters of a patient, wherein the blood gas analysis module further comprises a main control unit and a pressure transmission unit, a plurality of liquid sensors are arranged on the conveying pipelines of the blood sampling module and the test card unit, and the main control unit is used for acquiring detection signals of the liquid sensors and controlling the pressure transmission unit and the blood sampling module to extract and discharge blood or reagents.

According to the scheme, the main control unit controls the pressure transmission unit and the blood collection module to automatically control blood collection or collection reagent, the pressure transmission unit is controlled to extract blood or reagent, and the blood collection module is controlled to switch blood collection or collection reagent.

Optionally, the system for continuously monitoring blood gas parameters of a patient, wherein the blood sampling module comprises a shifting device, the shifting device is provided with a blood sampling device, the shifting device drives the blood sampling device to move, and the blood sampling device is switched to be communicated with the blood communicating pipe and the reagent pack connecting pipe.

According to the scheme, the shifting device drives the blood sampling device to move, so that the blood sampling device can collect blood or collecting reagents in a switching mode, the collection is integrated, and the collection and detection efficiency is improved.

Optionally, the system of sustainable monitoring patient's blood gas parameter, wherein, the shifter rotates the seat, be equipped with the dwang on the rotation seat, the one end of dwang is connected with the rotation seat rotation, the other end of dwang with blood sampling device's base rotates to be connected, still be equipped with the turning piece on the dwang, the turning piece is located on the arc track, through the dwang removes, drives blood sampling device and removes.

According to the scheme, the rotating block is driven to move through the rotation of the rotating rod, so that the blood sampling device connected with the rotating block is driven to move, the collection and switching of blood or reagent are realized, and the integrated collection is realized.

Optionally, the system for continuously monitoring blood gas parameters of a patient, wherein the blood sampling module further comprises a driving device, and the driving device drives the blood sampling device to move.

According to the scheme, the driving device drives the blood sampling device to move, so that the stability and the efficiency of sampling blood or collecting and switching of reagents are improved.

Optionally, the system for continuously monitoring blood gas parameters of a patient, wherein the blood communicating tube is a three-way tube, wherein a straight pipeline formed by two-way is connected with the blood drawing tube, and the other one is used for being connected with the blood drawing device.

According to the scheme, the stability of blood collection is guaranteed through the three-way pipe, and the blood is reduced from moving out of a blood collection position.

Optionally, the system for continuously monitoring blood gas parameters of a patient, wherein the blood sampling module further comprises a blood reservoir, the blood reservoir can be connected with a blood drawing tube to store blood, the shell of the blood reservoir is transparent, and the shell of the blood reservoir is detachable.

According to the scheme, the blood storage device is arranged, collected blood can be screened, the stability of the collected blood is guaranteed, and waste liquid can be stored through the blood storage device.

In another aspect of the application, a method for continuously monitoring a blood gas parameter of a patient is disclosed, comprising:

setting a blood gas parameter detection frequency;

when the detection time is reached, the main control unit sends out a sampling instruction, controls the blood sampling module to be connected with the blood communicating pipe, controls the blood storage device to rotate so as to extract the mixed liquid of the liquid and the blood in the pipeline to the blood storage device, and controls the pressure transmission unit to work, so that the blood sampling module automatically samples blood;

when the sampled blood flows to a preset position, the blood sampling module is controlled to be connected with the reagent pack connecting pipe, and the reagent is collected and conveyed to the test card unit for detection;

after the test card unit finishes detection, the pressure transmission unit works to discharge the waste liquid in the pipeline.

According to the scheme, the detection frequency is set, when the detection time is reached, the blood sampling module is controlled to be connected with the blood communicating pipe to collect blood, after a certain amount of blood is collected, the blood sampling module is switched to be connected with the reagent pack connecting pipe to collect reagent, the test card unit detects the reagent, the pressure transmission unit is controlled to discharge waste liquid after the detection is finished, automatic monitoring of the whole blood gas parameters is achieved, the blood in the blood communicating pipe is ensured to be up to date by storing the mixed liquid through the blood storage device, and the detection precision is improved.

Optionally, the method for continuously monitoring blood gas parameters of a patient, wherein the method further comprises:

the main control unit controls the reagent pack unit to select corresponding flushing liquid, and controls the flushing liquid to flush the pipeline through the pressure transmission unit.

According to the scheme, the pipeline is flushed by selecting the corresponding flushing liquid, so that the pipeline is ensured to be clean, and the detection precision is improved.

In summary, the application has at least one of the following beneficial effects:

1. the blood collection module is used for collecting blood and collecting reagents, the collection and the transmission to the blood gas analysis module are realized through switching the connecting pipeline, the intelligent blood collection and the intelligent analysis are realized, the sustainable monitoring of blood gas parameters is realized, and the blood gas parameter monitoring efficiency is improved;

2. the reagent type can be switched through the reagent pack unit, the reagent is conveyed through the test pack unit and the reagent pack connecting pipe, and the detection is carried out through the test card unit, so that different blood gas parameters are detected;

3. the main control unit is used for controlling the pressure transmission unit and the blood sampling device to realize automatic control of blood sampling or collecting reagent, the pressure transmission unit is controlled to realize blood sampling or reagent extraction, and the blood sampling device is controlled to realize switching of blood sampling or collecting reagent.

Drawings

Fig. 1 is a schematic diagram of a system for continuously monitoring blood gas parameters of a patient according to the present application.

FIG. 2 is a schematic diagram showing the connection of a blood collection device to a blood communication tube according to an embodiment of the system for continuously monitoring blood gas parameters of a patient.

FIG. 3 is a schematic diagram showing the connection of a blood collection device to a reagent pack connection tube according to an embodiment of the system for continuously monitoring blood gas parameters of a patient.

FIG. 4 is a schematic illustration of the connection of a lancet to a blood communication tube of the system for continuously monitoring blood gas parameters of a patient according to the present application.

FIG. 5 is a schematic diagram showing the connection of a lancet to a reagent pack connection tube of the system for continuously monitoring blood gas parameters of a patient according to the present application.

Fig. 6 is a schematic diagram of a blood reservoir of the system for continuously monitoring blood gas parameters of a patient according to the present application.

Reference numerals: 1. a blood collection module; 101. a displacement device; 1011. a rotating seat; 1012. a rotating lever; 1013. an arc-shaped track; 102. a blood collection device; 103. a driving device; 104. a blood reservoir; 1041. a blood reservoir housing; 1042. a transparent knob sleeve is driven; 1043. a sealing plug; 1044. a torsion shaft; 1045. a sealing gasket; 1046. twisting the knob; 2. a blood gas analysis module; 201. a reagent pack unit; 2011. a reagent storage member; 2012. a liquid-gas selector; 202. a test card unit; 2021. a measurement chamber; 2022. an electrode; 2023. an optical sensor; 203. a main control unit; 204. a pressure transmission unit; 205. a liquid sensor; 206. a waste liquid valve; 3. a blood communication tube; 4. and a reagent pack connecting pipe.

Detailed Description

The present application will be described in further detail with reference to the accompanying drawings.

The embodiment of the application discloses a system for continuously monitoring blood gas parameters of a patient, referring to fig. 1, wherein the system comprises: blood sampling module 1 and blood gas analysis module 2, blood sampling module 1 is connected with blood communicating pipe 3, can with blood sampling is connected with blood communicating pipe 3, blood sampling module 1 is through being connected with blood communicating pipe 3 and is taken a blood sample the back, through reagent package connecting pipe 4 exports to blood gas analysis module 2 and carries out blood gas parameter detection.

Referring to fig. 1, in the embodiment of the present application, a blood sampling module 1 and a blood gas analysis module 2 are connected through a connecting pipeline, and in a specific implementation, the blood sampling module 1 and the blood gas analysis module 2 can be connected with a pipeline of an arterial indwelling needle to realize automatic blood sampling, the blood sampling module 1 is connected with a blood communicating pipe 3 to collect blood output by the arterial indwelling needle and convey the blood to the blood gas analysis module 2, then the blood sampling module 1 is switched and connected with a reagent pack connecting pipe 4 to collect a reagent and convey the reagent to the blood gas analysis module 2, the collected blood and the reagent are mixed in the blood gas analysis module 2, thereby realizing automatic analysis of a blood sample, and in a specific implementation, an alarm module can be further provided, and when the blood sample analysis is abnormal, an alarm prompt is sent. By the system, automatic collection of blood and reagents can be realized, and automatic blood sample analysis can be realized in the blood gas analysis module 2, so that the monitoring efficiency of blood gas parameters is improved.

Referring to fig. 1, in some possible embodiments of the present application, the system for continuously monitoring a blood gas parameter of a patient, wherein the blood gas analysis module 2 includes: the reagent package unit 201, test card unit 202, be equipped with multiple reagent in the reagent package unit 201 and deposit the piece 2011, reagent is deposited the piece 2011 and is connected with the liquid gas selector 2012, can switch different reagent outputs, the reagent package unit 201 is connected with reagent package connecting pipe 4, test card unit 202 is connected with blood sampling module 1, after blood sampling module 1 is connected with reagent package connecting pipe 4, and reagent is exported to test card unit 202 through blood sampling module 1 and is detected.

Referring to fig. 1, in the embodiment of the present application, a blood collection module 1 collects blood and collects reagent, and analyzes the blood and gas parameters in a blood and gas analysis module 2, specifically, in order to realize different blood and gas parameter detection, the blood and gas analysis module 2 includes a reagent pack unit 201 and a test card unit 202, a plurality of reagent storage pieces 2011 are disposed in the reagent pack unit 201, different reagents can be stored, different reagents can be output for detection, or a cleaning solution is used for pipeline cleaning, the reagent storage pieces 2011 are connected with a liquid-gas selector 2012, different reagent outputs can be switched by the liquid-gas selector 2012, and in a specific implementation, the reagent pack unit 201 is connected with a reagent pack connecting pipe 4, can be connected with the blood collection module 1 by the reagent pack connecting pipe 4, and outputs the corresponding reagent to the test card unit 202.

Referring to fig. 1, in some possible embodiments, the system for continuously monitoring blood gas parameters of a patient, wherein the blood gas analysis module 2 further includes a main control unit 203 and a pressure transmission unit 204, a plurality of liquid sensors 205 are disposed on the conveying lines of the blood sampling module 1 and the test card unit 202, and the main control unit 203 is configured to obtain detection signals of the liquid sensors 205, and control the pressure transmission unit 204 and the blood sampling module 1 to achieve blood or reagent extraction and discharge.

Referring to fig. 1, in the embodiment of the present application, the blood gas analysis module 2 further includes a main control unit 203 and a pressure delivery unit 204, which can realize intelligent control, specifically, a plurality of liquid sensors 205 are disposed on the delivery lines of the blood collection module 1 and the test card unit 202, and can detect the specific position of blood or reagent in the pipeline, the main control unit 203 can sense the position of blood or reagent in the pipeline, so as to control the pressure delivery unit 204 and the blood collection module 1 to draw blood or reagent, when in particular implementation, for example, when a blood sample is to be analyzed, the main control unit 203 controls the blood collection module 1 to be connected with the blood communication pipe 3, the pressure delivery unit 204 is preferably a peristaltic pump, so as to enable the pressure of the pipeline to be smaller than the pressure of the blood communication pipe 3, thereby enabling the blood to enter the blood collection module 1, and be delivered to the test card unit 202 through the pipeline, and when reaching the specific position, the corresponding liquid sensors 205 transmit signals to the main control unit 203, the main control unit 203 controls the pressure delivery unit 204 to stop blood from being drawn, and the control module 1 is connected with the reagent bag 4, when the specific implementation, for example, when the blood sample is to be analyzed, the corresponding to the test card unit 202 is selected, the pressure of the corresponding liquid sensor 204 is selected, and the liquid sensor 204 is stopped, so as to stop the liquid collection of the liquid can be stored in the test card unit, and the liquid sample is controlled to be stopped, and the liquid sample can be stored in the liquid collection unit 201, and the liquid sample is automatically, and the liquid can be stored.

Referring to fig. 1, in the embodiment of the present application, after the analysis of the blood sample is completed, for the subsequent analysis of the blood sample, the pipeline is cleaned, the corresponding liquid can be selected to be transferred to the blood sampling module 1 through the reagent pack connecting pipe 4 and be transferred to the pipeline of the blood gas analysis module 2, the waste liquid is discharged, and the gas output can be selected again, so that the stability in the pipeline can be ensured, and the subsequent analysis of the blood sample can be ensured.

Referring to fig. 1, in the embodiment of the present application, specifically, the test card unit 202 includes a measurement chamber 2021, an electrode 2022 and an optical sensor 2023 are disposed in the measurement chamber 2021, and can perform analysis of a blood sample by observing a mixing state of blood and a reagent for corresponding display, and preferably, an alarm may be further disposed in the main control unit 203 to give an alarm when the analysis of the blood sample is abnormal.

Referring to fig. 1, in the embodiment of the present application, a first liquid sensor 205 is disposed before a pipeline enters a test card unit 202 to sense whether liquid reaches the test card unit 202, a second liquid sensor 205 is disposed after the test card unit 202 to sense whether liquid passes through the test card unit 202, and a third liquid sensor 205 is disposed at an inlet position of a reagent pack unit 201 to sense whether liquid reaches the reagent pack unit 201, so that intelligent control can be realized by sensing the liquid positions through the plurality of liquid sensors 205.

Referring to fig. 2 and 3, in some possible embodiments, the system for continuously monitoring blood gas parameters of a patient includes a displacement device 101, a blood sampling device 102 is disposed on the displacement device 101, the blood sampling device 102 includes a base, a blood sampling needle and a capillary tube are disposed on the base, the blood sampling device 102 is driven by the displacement device 101 to move, and the conduction between the blood sampling device 102 and the blood communicating tube 3 and the reagent pack connecting tube 4 is switched. The blood sampling device can adopt a needleless blood sampling device, a blood sampling joint is arranged at the tail end of a blood sampling tube, and blood and reagent can be sampled in a mode of blood sampling needles and blood sampling tubes.

Referring to fig. 2 and 3, in order to realize monitoring of blood gas parameters, blood needs to be drawn and blood output is correspondingly detected, in order to reduce human involvement, in particular, the blood drawing instrument is connected with a retention needle, when blood gas parameters need to be monitored, blood is conveyed through a blood drawing tube, a blood communicating tube 3 and a reagent pack connecting tube 4 are arranged in a shell of the application, a blood sampling device 102 can be connected with the blood communicating tube 3 to draw blood, and can also be connected with a reagent pack connecting tube 4 to draw reagent of a reagent pack to mix with the blood for detection, the blood sampling device 102 is driven to move through a displacement device 101, in particular, the blood sampling device 102 is driven to move through the displacement device 101 to be communicated with the reagent pack connecting tube 4 after the blood is drawn, so that the extracted blood is mixed with the reagent drawn through the reagent pack connecting tube 4, and the corresponding blood gas parameters can be detected. According to the scheme, the blood extraction and reagent extraction can be realized through the blood extraction instrument, the blood extraction and reagent extraction are integrated, one device can replace manual blood sampling, and the blood extraction and detection efficiency in blood gas parameter monitoring is improved. When blood collection is needed, the base can be driven to move through the shifting device 101, the blood taking needle is communicated with the blood communicating tube 3, then the pressure in the capillary tube is reduced, the pressure in the capillary tube is smaller than the pressure in the blood communicating tube 3, the blood pressure of the blood communicating tube 3 can enter the capillary tube through the blood taking needle, after the blood taking is finished, the base is driven to move through the shifting device 101, the blood taking needle is communicated with the reagent pack connecting tube 4, then the pressure is reduced through the pressure conveying device, the reagent in the reagent pack is extracted, and therefore blood and the reagent are mixed, and detection of blood gas parameters can be carried out.

Referring to fig. 2 and 3, in some possible embodiments, the system for continuously monitoring blood gas parameters of a patient is provided, wherein the displacement device 101 rotates the seat 1011, a rotating rod 1012 is provided on the rotating seat 1011, one end of the rotating rod 1012 is rotatably connected with the rotating seat 1011, the other end of the rotating rod 1012 is rotatably connected with the base of the blood sampling device 102, a rotating block is further provided on the rotating rod 1012, and the rotating block is provided on the arc track 1013, and moves through the rotating rod 1012 to drive the blood sampling device 102 to move.

Referring to fig. 2 and 3, the rotating base 1011 is connected with the base of the blood sampling device 102, when the blood sampling device 102 moves, the rotating rod 1012 can maintain the movement stability of the blood sampling device 102, so that the blood sampling device 102 moves in an arc shape within the range of the rotating base 1011, specifically, the arc track 1013 comprises a plurality of sections of tracks including a straight section and a turning section, and the rotating rod 1012 moves to the turning section in the straight section to drive the blood sampling device 102 to switch the conduction with the blood communicating tube 3 and the reagent pack connecting tube 4. When moving, the rotating block moves on the arc-shaped track 1013 to realize three-stage movement, namely horizontal movement and vertical movement, wherein the horizontal movement realizes the horizontal position switching of the blood sampling device 102, the vertical movement realizes the connection and disconnection of the blood sampling device 102 and the blood communicating pipe 3, and the connection and disconnection of the blood sampling device 102 and the reagent pack connecting pipe 4.

Referring to fig. 1, in some possible embodiments, the system for continuously monitoring blood gas parameters of a patient, wherein the blood sampling module 1 further comprises a driving device 103, and the driving device 103 drives the blood sampling device 102 to move.

Referring to fig. 2 and 3, in the embodiment of the present application, the driving device 103 drives the slider to move on the sliding rail, and the rotating block also moves on the arc track 1013 while the slider moves on the sliding rail, when the rotating block moves to the arc corner at the left side in the drawing, the slider continues to move to the left, and at this time, the rotating block moves upwards along the arc corner, so as to realize the conduction with the blood communicating tube 3, and conversely, the rotating block moves to the right and then conducts with the reagent pack connecting tube 4.

Referring to fig. 4 and 5, in some possible embodiments, the system for continuously monitoring blood gas parameters of a patient is provided, wherein the blood communication tube 3 is a three-way tube, wherein a straight tube formed by two-way is connected with a blood drawing tube, and the other tube is used for connecting with the blood sampling device 102.

Referring to fig. 4 and 5, in the embodiment of the present application, the blood communication tube 3 is capable of drawing blood during normal blood circulation, so that when blood needs to be drawn, the blood communication tube 3 is inserted through the third tube to draw blood, thereby ensuring normal blood circulation. In order not to affect the blood circulation when the blood is pulled out after the blood is drawn out, it is preferable that the first soft rubber plug is provided on the first blood communication tube 3 for communicating with the blood sampling device 102, and the elasticity of the first soft rubber plug is automatically sealed when the blood is pulled out, so that the blood is reduced from the last blood sampling insertion position of the blood sampling device 102, and the second soft rubber plug is provided on the reagent pack connection tube 4, and similarly, the blood collection device can be automatically sealed.

In some possible embodiments, the system for continuously monitoring blood gas parameters of a patient, wherein the blood sampling module 1 further comprises a blood reservoir 104, the blood reservoir 104 is capable of being connected with a blood drawing tube to store blood, the housing of the blood reservoir 104 is transparent, and the housing of the blood reservoir 104 is detachable.

Referring to fig. 6, the blood container 104 of the present application includes a blood container 104 housing, the blood container 104 housing is transparent, the liquid condition in the blood container 104 can be observed through the transparent housing, in order to ensure tightness, a sealing pad 1045 and a sealing plug 1043 are provided at a detachable connection position of the blood container 104 housing, in this embodiment of the present application, threaded connection is preferred, and a sealing pad 1045 and a sealing plug 1043 are provided at a threaded connection position.

Referring to fig. 6, the blood container 104 of the present application includes a blood container housing 1041, a blood container housing 1040 is arranged transparently, a liquid condition in the blood container 104 can be observed through the transparent housing, in order to ensure tightness, a sealing pad 1045 and a sealing plug 1043 are arranged at a detachable connection position of the blood container housing 1041, in the embodiment of the present application, a threaded connection is preferred, the sealing pad 1045 and the sealing plug 1043 are arranged at the threaded connection position, and the present application further includes a transmission transparent knob housing 1042 connected with a blood drawing instrument housing, and a twisting knob 1046 is used for driving a twisting shaft 1044 to open or close the blood container 104.

In practice, since the blood collection source is blood in the indwelling needle, the indwelling needle may have a clot or the blood may be too long, so that the detection accuracy may be affected during detection, and therefore, the blood in the indwelling needle may be discharged into the blood reservoir 104 through flushing, so that the liquid condition of the blood reservoir 104 may be observed to control when to start blood collection.

In the embodiment of the application, the system can control the blood collection tube of the blood collection module to be connected to the blood collection three-way tube, and control the blood storage 104 to rotate so as to draw the blood and the liquid in the blood collection needle to the blood storage, so that fresh blood on the three-way tube is realized, then the blood on the three-way tube can be drawn by the pressure conveying unit of the blood gas analysis module 2 to enter the analysis, and after the analysis of the blood gas, the blood collection tube of the blood collection module 1 is controlled to be connected to the reagent pack connecting tube 4, and then flushing liquid is drawn to flush the blood collection tube.

In another embodiment of the present application, a method for continuously monitoring blood gas parameters of a patient is disclosed, comprising:

setting a blood gas parameter detection frequency;

when the detection time is reached, the main control unit 203 sends out a sampling instruction, controls the blood sampling module 1 to be connected with the blood communicating pipe 3, controls the blood storage 104 to rotate and extracts the mixed liquid of the liquid and the blood in the pipeline to the blood storage 104, and controls the pressure transmission unit 204 to work, so that the blood sampling module 1 automatically samples blood;

when the sampled blood flows to a preset position, the blood sampling module 1 is controlled to be connected with the reagent pack connecting pipe 4, and the reagent is collected and conveyed to the test card unit 202 for detection;

after the test card unit 202 finishes the detection, the pressure transmission unit 204 works to discharge the waste liquid in the pipeline.

In the embodiment of the application, after the analysis of the blood sample is completed, the blood sample can be cleaned once or more times, the flushing liquid in the reagent pack unit 201 is pumped to clean the pipeline through the pressure transmission unit 204, and finally the waste liquid in the pipeline is discharged to the waste liquid container in the reagent pack unit 201.

During operation, the main control unit 203 will periodically send out instructions to control the blood sampling module 1 to connect with the reagent pack connecting tube 4, the pressure transmission unit 204 will work to pump the calibration liquid or quality control liquid in the reagent pack unit 201 to the test card unit for calibration or quality control operation, and after the calibration or quality control operation is completed, the liquid in the pipeline can be discharged to the waste liquid container in the reagent pack unit 201. When necessary, the pipeline flushing operation is performed again.

In some possible embodiments of the application, the method for continuously monitoring blood gas parameters of a patient, wherein the method further comprises:

the main control unit 203 controls the reagent pack unit 201 to select the corresponding flushing liquid, and controls the flushing liquid to flush the pipeline through the pressure transmission unit 204.

In the embodiment of the application, the method further comprises the following steps:

the main control unit controls the blood gas analysis module 2 to regularly extract the calibration liquid in the reagent pack for calibration or calibrate the calibration liquid. Thereby ensuring the accuracy of blood gas parameter detection.

In the embodiment of the application, the blood sampling module 1 and the blood gas analysis module 2 are connected through a connecting pipeline, and can be connected with a pipeline of an arterial indwelling needle to realize automatic blood sampling when in specific implementation, the blood sampling module 1 is connected with a blood communicating pipe 3 to collect blood output by the arterial indwelling needle and convey the blood to the blood gas analysis module 2, the blood sampling module 1 is switched to be connected with a reagent pack connecting pipe 4 to collect reagent and convey the reagent to the blood gas analysis module 2, the collected blood and the reagent are mixed in the blood gas analysis module 2, so that automatic analysis of blood samples is realized, and an alarm module can be arranged when in specific implementation, and an alarm prompt is given when the blood sample analysis is abnormal. By the system, automatic collection of blood and reagents can be realized, and automatic blood sample analysis can be realized in the blood gas analysis module 2, so that the monitoring efficiency of blood gas parameters is improved. Blood collection module 1 gathers blood and gathers reagent, carries out the analysis at blood gas analysis module 2, specifically, in order to realize different blood gas parameter detection, blood gas analysis module 2 includes reagent package unit 201 and test card unit 202, be equipped with multiple reagent in the reagent package unit 201 and deposit piece 2011, can store different reagents, can export different reagents and detect, perhaps the washing liquid carries out the pipeline washing, reagent deposit piece 2011 is connected with liquid gas selector 2012, can switch different reagent output through liquid gas selector 2012, when embodied, reagent package unit 201 is connected with reagent package connecting pipe 4, can be connected with blood collection module 1 through reagent package connecting pipe 4, output corresponding reagent to test card unit 202, first be connected the blood through blood collection module 1 and blood communicating pipe 3, then be connected with reagent package connecting pipe 4 through blood collection module 1, switch to corresponding reagent deposit piece 2011 through liquid gas selector 2012, extract reagent through blood collection module 1, and transmit to test card unit 202, detect.

In the embodiment of the present application, the blood gas analysis module 2 further includes a main control unit 203 and a pressure-transferring unit 204, which can realize intelligent control, specifically, a plurality of liquid sensors 205 are disposed on the transfer lines of the blood collection module 1 and the test card unit 202, which can detect the specific positions of blood or reagent in the lines, the main control unit 203 can sense the positions of blood or reagent in the lines, so as to control the pressure-transferring unit 204 and the blood collection module 1 to collect blood or reagent, when the blood collection module 1 is implemented, for example, when a blood sample is to be analyzed, the main control unit 203 controls the blood collection module 1 to be connected with the blood collection tube 3, the pressure-transferring unit 204 is preferably a peristaltic pump, which can transfer pressure to the lines, so that the pressure of the lines is smaller than the pressure of the blood collection tube 3, and thus blood enters the blood collection module 1, and is transferred to the test card unit 202 through the lines, and the liquid sensors 205 are passed through the plurality of liquid sensors 205, when the specified positions are reached, the main control unit 203 controls the pressure-transferring unit 204, the blood is not to collect blood or reagent, and the blood collection module 1 is connected with the reagent bag 4, when the test card is controlled, for example, when the blood sample is to be analyzed, the blood sample is to be collected, the corresponding to the pressure-transferring unit 2011 is controlled, and the corresponding to control the pressure-transferring unit is selected, and then the pressure-transferring unit 201 is controlled to collect the blood sample, and then, and can be stopped, and can be stored in the test card.

The embodiments of the present application are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in this way, therefore: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.

Claims (10)

1. A system for continuously monitoring a blood gas parameter of a patient, comprising: blood sampling module (1) and blood gas analysis module (2), blood sampling module (1) are connected with blood communicating pipe (3), can with blood communicating pipe (3) are connected and are taken a blood sample, blood sampling module (1) is through being connected with blood communicating pipe (3) and take a blood sample the back, output to blood gas analysis module (2), and through blood sampling module (1) with reagent package connecting pipe (4) are connected, output reagent carries out blood gas parameter detection to blood gas analysis module (2).

2. The system for sustainable monitoring of a patient's blood gas parameters according to claim 1, wherein the blood gas analysis module (2) comprises: the reagent pack unit (201), test card unit (202), be equipped with multiple reagent in reagent pack unit (201) and deposit piece (2011), reagent is deposited piece (2011) and is connected with liquid gas selector (2012), can switch different reagent outputs, reagent pack unit (201) are connected with reagent pack connecting pipe (4), test card unit (202) are connected with blood sampling module (1), are connected back at blood sampling module (1) and reagent pack connecting pipe (4), and reagent is exported to test card unit (202) through blood sampling module (1) and is detected.

3. The system for continuously monitoring blood gas parameters of a patient according to claim 2, wherein the blood gas analysis module (2) further comprises a main control unit (203) and a pressure transmission unit (204), a plurality of liquid sensors (205) are arranged on the conveying pipelines of the blood sampling module (1) and the test card unit (202), and the main control unit (203) is used for acquiring detection signals of the liquid sensors (205) and controlling the pressure transmission unit (204) and the blood sampling module (1) to realize blood or reagent extraction and discharge.

4. The system for continuously monitoring blood gas parameters of patients according to claim 1, wherein the blood sampling module (1) comprises a displacement device (101), the displacement device (101) is provided with a blood sampling device (102), the displacement device (101) drives the blood sampling device (102) to move, and the blood sampling device (102) is switched to be communicated with the blood communicating pipe (3) and the reagent pack connecting pipe (4).

5. The system for continuously monitoring blood gas parameters of a patient according to claim 4, wherein the displacement device (101) rotates the seat (1011), a rotating rod (1012) is arranged on the rotating seat (1011), one end of the rotating rod (1012) is rotationally connected with the rotating seat (1011), the other end of the rotating rod (1012) is rotationally connected with the base of the blood sampling device (102), a rotating block is further arranged on the rotating rod (1012), and the rotating block is arranged on the arc-shaped track (1013) and moves through the rotating rod (1012) to drive the blood sampling device (102) to move.

6. The system for continuously monitoring blood gas parameters of a patient according to claim 5, wherein the blood sampling module (1) further comprises a driving device (103), and the driving device (103) drives the blood sampling device (102) to move.

7. The system for sustainable monitoring of blood gas parameters of a patient according to claim 1 wherein the blood communication tube (3) is a tee wherein a straight conduit formed by two passes is connected to a blood drawing tube and the other is used for connection to a blood sampling device (102).

8. The system for sustainable monitoring of blood gas parameters of a patient according to claim 1, wherein the blood collection module (1) further comprises a blood reservoir (104), the blood reservoir (104) being connectable to a blood drawing tube for storing blood, the blood reservoir (104) housing being arranged transparent and the housing of the blood reservoir (104) being detachable.

9. A method for continuously monitoring a blood gas parameter of a patient, comprising:

setting a blood gas parameter detection frequency;

when the detection time is reached, the main control unit (203) sends out a sampling instruction, controls the blood sampling module (1) to be connected with the blood communicating pipe (3), controls the blood storage device (104) to rotate and extracts the mixed liquid of the liquid in the pipeline and the blood to the blood storage device (104), and controls the pressure transmission unit (204) to work, so that the blood sampling module (1) automatically samples blood;

when the sampled blood flows to a preset position, the blood sampling module (1) is controlled to be connected with the reagent pack connecting pipe (4), and the reagent is collected and conveyed to the test card unit (202) for detection;

after the test card unit (202) finishes detection, the pressure transmission unit (204) works to discharge the waste liquid in the pipeline.

10. A method of continuously monitoring a blood gas parameter of a patient, the method further comprising:

the main control unit (203) controls the reagent pack unit (201) to select corresponding flushing liquid, and the flushing liquid is controlled by the pressure transmission unit (204) to flush the pipeline.