WO2023279577A1 - Appareil portable de surveillance de pression médicale - Google Patents

Appareil portable de surveillance de pression médicale Download PDF

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Publication number
WO2023279577A1
WO2023279577A1 PCT/CN2021/126060 CN2021126060W WO2023279577A1 WO 2023279577 A1 WO2023279577 A1 WO 2023279577A1 CN 2021126060 W CN2021126060 W CN 2021126060W WO 2023279577 A1 WO2023279577 A1 WO 2023279577A1
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WO
WIPO (PCT)
Prior art keywords
sampling
pressure
pipe
monitoring
tube
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PCT/CN2021/126060
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English (en)
Chinese (zh)
Inventor
高宏
田鸣
俞卫锋
高巨
王志萍
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高宏
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Publication of WO2023279577A1 publication Critical patent/WO2023279577A1/fr

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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/02—Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
    • A61B5/021—Measuring pressure in heart or blood vessels
    • A61B5/0215—Measuring pressure in heart or blood vessels by means inserted into the body

Definitions

  • the invention relates to a pressure monitoring device, in particular to a portable medical pressure monitoring device.
  • Invasive arterial pressure monitoring involves puncturing and placing catheters in peripheral arteries, and connects pressure sensors to monitors to reflect changes in blood pressure in each cardiac cycle, and can directly display systolic blood pressure, diastolic blood pressure, and mean arterial pressure.
  • Invasive arterial pressure monitoring has the advantages of not being affected by external factors such as artificial pressurization, decompression, and loose cuffs, and can accurately and intuitively detect instantaneous arterial blood pressure changes in a timely manner, and can take arterial blood for analysis, reducing the trouble of repeated punctures. It can alleviate the suffering of patients to a certain extent, and win precious time for medical operations such as rescue.
  • the arterial puncture catheter is connected to the heparin water storage bottle through the catheter connection line.
  • the junction with the heparin water storage bottle to avoid the detachment between the tube connection line and the heparin water storage bottle during pressurization.
  • an arterial monitoring circuit which can conveniently and conveniently implement invasive arterial monitoring and management during the operation, avoid the loss of the circuit caused by pressurization, avoid various complications of repeated blood collection and washing, and avoid the cumbersome transportation of patients.
  • It can also provide invasive arterial pressure monitoring and arterial blood sampling tests after the operation, and reduce the impact on the patient's rest during monitoring.
  • the purpose of the present invention is to overcome the deficiencies in the prior art, and provide a portable medical pressure monitoring device, which can avoid the situation of heparin water spraying caused by the pressurization of the heparin water storage body, and improve the arterial pressure monitoring process. Convenience and reliability, in the process of arterial pressure monitoring, it can accurately realize blood drawing and flushing, avoid pollution, and is safe and reliable.
  • the medical pressure monitoring auxiliary device includes a pressure measuring connecting pipe and a monitoring auxiliary power unit adapted to connect, and the monitoring auxiliary power unit can provide power for the flow of liquid in the pressure measuring connecting pipe and can The fluid flow in the pressure measurement connection pipe is controlled, and an information input processing unit adapted to connect with the monitoring auxiliary power unit is included, and the power state of the monitoring auxiliary power unit loaded to the pressure measurement connection pipe can be adjusted through the information input processing unit.
  • the first end of the pressure measuring connecting tube is fitted and connected to the indwelling tube, and a pressure monitoring unit is arranged on the pressure measuring connecting tube;
  • the monitoring auxiliary power unit includes an extrusion driving mechanism capable of extruding the pressure measuring connecting pipe and a monitoring auxiliary housing for accommodating the extrusion driving mechanism, through which the extrusion driving mechanism can squeeze the pressure measuring connecting pipe that is adapted to be connected .
  • the pressure monitoring unit can be electrically connected to the pressure monitoring interface through the pressure monitoring connector, or the pressure monitoring unit can be electrically connected to the pressure monitor through the pressure monitoring connector. connect;
  • the output pressure monitoring value can be displayed in real time through the monitoring display screen on the monitoring auxiliary housing.
  • connection of the pipe body to the positioning mechanism can make the pressure measurement connection pipe match and correspond to the extrusion driving mechanism.
  • It also includes a sampling interface unit adapted to connect with the pressure measuring connecting tube and the indwelling tube;
  • the sampling interface unit includes a sampling interface main pipe and a sampling side pipe of the sampling interface communicating with the sampling interface main pipe.
  • a sampling connection control mechanism that can be adapted to connect with the sampler is provided, and the sampling connection control mechanism can move in the sampling side tube of the sampling interface; the sampler extends into the sampling side tube of the sampling interface to drive the sampling connection control mechanism to move in the sampling side tube of the sampling interface Finally, the communication state between the pressure measurement connecting tube and the indwelling tube can be blocked by the sampling connection control mechanism, and the sampler can be connected and communicated with the sampling interface main pipe and the indwelling tube through the sampling connection control mechanism, so that the required sampling can be carried out through the sampler. sampling;
  • the sampling connection control mechanism After the sampler is separated from the sampling connection control mechanism, the sampling connection control mechanism resets after moving in the sampling side tube of the sampling interface, and the pressure measurement connection tube communicates with the indwelling tube through the main pipe of the sampling interface, and the pressure measurement connection tube can be blocked by the sampling connection control mechanism 1. The communication between the indwelling tube and the sampling side tube of the sampling interface.
  • the pipe body connection positioning mechanism includes a pipe body connection sleeve capable of allowing the pressure measuring connection pipe to be embedded, and several sleeve body connection hooks are arranged on the pipe body connection sleeve;
  • a number of housing holes that can be adapted to the connecting hooks of the casing are provided on the auxiliary monitoring casing.
  • the connecting pipe corresponds to the extruding drive mechanism.
  • the built-in heparin water unit capable of providing heparin water
  • the built-in heparin water unit includes a heparin water receiver located in the monitoring auxiliary housing, the second end of the pressure measuring connection tube is placed in the monitoring auxiliary housing and can The water receiver is connected and communicated, and the extrusion driving mechanism can correspond to the second end of the pressure measurement connecting pipe located in the auxiliary monitoring housing, so that the second end of the pressure measurement connecting pipe located in the auxiliary monitoring housing can be controlled by the extrusion driving mechanism. required extrusion.
  • It also includes a data sampling transmission device and a central monitoring station that can be connected with the data sampling transmission device, and the data sampling transmission device can transmit the pressure monitoring value monitored by the pressure monitoring unit to the central monitoring station.
  • the extrusion driving mechanism includes a first pressure plate body of the pipe body, a middle pressure plate body of the pipe body, a second pressure plate body of the pipe body, and a pressure plate movement driving body, and the middle pressure plate body of the pipe body is located between the first pressure plate body of the pipe body and the second pressure plate body of the pipe body. Between body;
  • the pressure plate movement driving body can drive the first pressure plate body of the pipe body, the middle pressure plate body of the pipe body and the second pressure plate body of the pipe body to perform the required movement, and pass through the first pressure plate body of the pipe body, the middle pressure plate body of the pipe body and the second pressure plate body of the pipe body Cooperate with the pressure measuring connecting tube respectively, so as to be able to drive the power of the heparin water to move in the pressure measuring connecting tube.
  • the pressing plate movement driving body includes a driving motor and a transmission shaft adapted to connect with the output shaft of the driving motor;
  • a rotating first cam adapted to the first platen body of the driving tube body, a second rotating cam adapted to the second platen body of the tube body, and a rotating intermediate cam adapted to the middle platen body of the tube body are arranged on the rotating shaft;
  • the driving motor drives the transmission shaft to rotate
  • the first cam, the second cam, and the middle cam rotate synchronously with the transmission shaft, and can drive the first pressure plate body of the pipe body, the middle pressure plate body of the pipe body and the middle pressure plate body of the pipe body at different times Pressurize the pressure tap connection.
  • the advantages of the present invention by cooperating with the monitoring auxiliary power unit and the pressure measurement connecting pipe, the power of heparin water peristalsis in pressure monitoring can be realized. It can avoid the need to use medical tape to fix the heparin water storage body and the corresponding pipeline in the prior art, and improve the convenience and controllability of arterial pressure monitoring. At the same time, since the heparin water storage body is not directly pressurized, the heparin water spraying caused by the falling off of the heparin water storage body and the corresponding pipeline can be avoided, and the convenience and reliability of the arterial pressure monitoring process are improved.
  • the sampling interface unit Through the sampling interface unit, the blood drawing and flushing operations in the arterial pressure monitoring process can be conveniently realized, pollution in the blood drawing process can be avoided, and the reliability and safety of the blood drawing and washing process can be improved.
  • Fig. 1 is a schematic diagram of the first embodiment of the present invention.
  • Fig. 2 is a schematic view of the use state of the second embodiment of the present invention.
  • Fig. 3 is a schematic diagram of the second embodiment of the present invention.
  • Fig. 4 is a schematic diagram of monitoring the auxiliary power unit in Fig. 2 and Fig. 3 .
  • Fig. 5 is a schematic diagram of the pipe connection and positioning mechanism of the present invention.
  • Fig. 6 is a schematic diagram of a third embodiment of the present invention.
  • Fig. 7 is a schematic diagram of a fourth implementation of the present invention.
  • FIG. 8 is a schematic diagram of the extrusion driving mechanism of the present invention inside the monitoring auxiliary housing 9 .
  • Fig. 9 is a schematic diagram of the pressure monitoring power mechanism of the present invention.
  • Fig. 10 is a schematic diagram of the transmission shaft of the present invention.
  • Fig. 11 is a perspective view of the intermediate platen body of the pipe body of the present invention.
  • Fig. 12 is a schematic view of the first platen body and the second platen body of the pipe body in the present invention.
  • Fig. 13 is a schematic diagram of the sampling interface unit of the present invention.
  • Fig. 14 is a schematic diagram of cooperation between the main pipe of the sampling interface and the sampling side pipe of the sampling interface according to the present invention.
  • Fig. 15 is a schematic diagram of the sampling connection control body of the present invention.
  • the present invention includes a pressure measuring connecting tube 11 and a pressure measuring connecting tube that can be connected with the pressure measuring connecting tube.
  • a monitoring auxiliary power unit adapted to be connected, the monitoring auxiliary power unit can provide power for the liquid to flow in the pressure measuring connecting pipe 11, and can monitor the flow of liquid flowing through the pressure measuring connecting pipe 11;
  • It also includes an information input processing unit adapted to be electrically connected to the monitoring auxiliary power unit, through which the power state of the monitoring auxiliary power unit loaded to the pressure measurement connecting pipe 11 can be adjusted.
  • the pressure measurement connecting tube 11 can adopt the existing common form, and the connection of the arterial pressure monitoring can be realized through the pressure measuring connecting tube 11.
  • one end of the pressure measuring connecting tube 11 can be adapted to connect with the indwelling tube 14, and the measurement The other end of the pressure connection tube 11 receives the heparin water required in the arterial pressure monitoring process.
  • the monitoring auxiliary power unit is adapted to connect with the pressure measuring connecting pipe 11, and the monitoring auxiliary power unit provides the power for the liquid to flow in the pressure measuring connecting pipe 11, so that heparin water, etc. can flow in the pressure measuring connecting pipe 11 flow in the desired direction.
  • the monitoring auxiliary power unit is used to cooperate with the pressure measurement connecting tube 11, it can avoid the need to use medical tape to fix the heparin water storage body and the corresponding pipeline in the prior art, and improve the arterial pressure. Convenience and controllability of monitoring.
  • the heparin water storage body is not directly pressurized, the heparin water spraying caused by the falling off of the heparin water storage body and the corresponding pipeline can be avoided, and the convenience and reliability of the arterial pressure monitoring process are improved.
  • the information input processing unit is electrically connected with the monitoring auxiliary power unit, and the working process of the monitoring auxiliary power unit can be controlled through the information input processing unit, such as the loading of the monitoring auxiliary power unit to the pressure measurement connecting pipe 11 can be adjusted or controlled.
  • Power state monitoring the power loaded by the auxiliary power unit to the pressure measurement connecting pipe 11 is different, the flow direction and flow speed of the liquid in the pressure measurement connecting pipe 11 are different, which can be selected according to needs.
  • the flow rate of the liquid flowing through the pressure measuring connecting pipe 11 can be monitored, so that the liquid flow rate that can flow through the pressure measuring connecting pipe 11 can be obtained within a period of time. liquid flow.
  • the information input processing unit can use an existing commonly used microprocessor, and the type of microprocessor used by the information processing unit can be selected according to needs, which are well known to those skilled in the art and will not be repeated here.
  • the information input processing unit can control and monitor the working state of the auxiliary power unit.
  • the specific control and monitoring method of the working state of the auxiliary power unit can be consistent with the existing ones, which are well known to those skilled in the art and will not be repeated here.
  • the first end of the pressure measuring connecting tube 11 is fitted and connected with the indwelling tube 14, and a pressure monitoring unit 12 is arranged on the pressure measuring connecting tube 11;
  • the monitoring auxiliary power unit includes an extrusion driving mechanism capable of extruding the pressure measuring connecting pipe 11 and a monitoring auxiliary housing 9 for accommodating the extrusion driving mechanism. After the pressure measuring connecting pipe 11 is fitted and connected to the monitoring auxiliary housing 9, The fitted pressure measuring connection 11 can be squeezed by means of the squeeze drive.
  • the indwelling tube 14 can adopt the existing common form, and the puncture of the arterial vessel and the indwelling after the puncture can be realized through the indwelling tube 14, which is consistent with the existing ones.
  • the indwelling tube 14 After the indwelling tube 14 is punctured and indwelling, it can receive heparin water and perform pressure monitoring and other operations after being connected with the pressure measuring connecting tube 11 .
  • the pressure monitoring unit 12 may adopt an existing commonly used pressure monitoring form, such as a pressure sensor, etc., which are well known to those skilled in the art and will not be repeated here.
  • the monitoring auxiliary power unit includes an extrusion drive mechanism, which can squeeze the pressure measuring connecting pipe 11 through the extrusion driving mechanism, and squeeze the pressure measuring connecting pipe 11 through the extrusion driving mechanism. Finally, it can provide the power of heparin water peristaltic in the pressure measuring connecting tube 11.
  • the heparin water creeps in the pressure measuring connecting tube 11, specifically refers to the movement of the heparin water in the pressure measuring connecting tube 11 at a relatively low speed, and the use of the heparin water can avoid the occurrence of coagulation, etc.
  • the specific peristaltic speed can be determined according to the actual situation. It is necessary to select and achieve the existing function and effect of directly pressurizing the heparin water storage body.
  • the matching of the pressure measuring connecting pipe 11 is related, and the details can be selected according to the needs, and will not be repeated here.
  • a pressure monitoring connector 8 adapted to be electrically connected to the pressure monitoring unit 12, and the pressure monitoring unit 12 can be electrically connected to the pressure monitoring interface 15 on the monitoring auxiliary housing 9 through the pressure monitoring connector 8, or The pressure monitoring unit 12 is electrically connected to the pressure monitor through the pressure monitoring connector 8;
  • the output pressure monitoring value can be displayed in real time through the monitoring display screen 10 on the monitoring auxiliary housing 9 .
  • the pressure monitoring unit 12 in order to output the pressure monitored by the pressure monitoring unit 12, the pressure monitoring unit 12 is electrically connected to the pressure monitoring connector 8 through the monitoring connection cable 7.
  • the pressure monitoring connection cable 7 and the pressure monitoring connector 8 are specifically Existing commonly used forms can be adopted, which are well known to those skilled in the art, and will not be repeated here.
  • a pressure inspection interface 15 can be provided on the monitoring auxiliary housing 9.
  • the pressure monitoring interface 15 is specifically subject to the electrical connection and cooperation with the pressure monitoring connector 8.
  • the pressure monitoring connector 8 can be directly connected to the pressure monitoring connector 8.
  • the monitor is directly electrically connected, and the pressure monitor can specifically adopt an existing commonly used form.
  • the pressure monitoring unit 12 is directly electrically connected to the pressure monitor through the pressure monitoring connector 8, and can display the parameters of arterial pressure monitoring through the pressure monitor. The manner and process of realizing arterial pressure monitoring through the pressure monitor are consistent with the existing ones, which are well known to those skilled in the art and will not be repeated here.
  • the monitoring display screen 10 on the auxiliary housing 9 can display the parameters of arterial pressure detection, that is, it can realize the function of direct connection with the pressure monitor.
  • the monitoring display screen 10 can specifically adopt the form of a touch screen, an LED screen, etc., and can be specifically selected according to needs.
  • an information input processing unit for data processing is also provided in the monitoring auxiliary housing 9.
  • the information input processing unit can adopt an existing common form, and the information input processing unit is electrically connected to the pressure monitoring connector 8 through the pressure monitoring interface 15.
  • the information input processing unit processes the pressure monitoring information collected by the pressure monitoring unit 12, and displays and outputs it through the monitoring display screen 10 after processing.
  • the required information can be selected or input into the information input processing unit through the monitoring display screen 10;
  • Several button modules are electrically connected to the information input processing unit through the button modules, so as to input required information into the information input processing unit.
  • the extrusion driving mechanism when the extrusion driving mechanism is an electric actuator, the information input processing unit is also electrically connected to the extrusion driving mechanism, and the working state of the extrusion driving mechanism can be controlled through the information input processing unit.
  • the working state of the pressure driving mechanism can be selected through the button module or the monitoring display screen 10 of the touch screen, which is well known to those skilled in the art and will not be repeated here.
  • the external heparin water unit includes a heparin water storage bottle 1 for storing heparin water and the heparin water storage bottle 1
  • heparin water infusion tube 4 is adapted to be connected with the tube joint 17 at the second end of the pressure measuring connecting tube 11, so that the heparin water infusion tube 4 and the pressure measuring connecting tube 11 can communicate with each other ;
  • the pressure measurement connecting pipe 11 can be fitly connected with the monitoring auxiliary housing 9 through the pipe connection positioning mechanism 16 , and can correspond to the extrusion driving mechanism after being connected with the monitoring auxiliary housing 9 .
  • Fig. 1 and Fig. 2 it shows a schematic diagram of connecting and cooperating with an external heparin water unit, wherein, in Fig. 1 and Fig. 2, it shows a schematic diagram of an implementation of monitoring auxiliary housing 9.
  • the pressure monitoring interface 15 is not provided on the auxiliary housing 9. At this time, the information input processing unit in the monitoring auxiliary housing 9 can only be used for controlling the extrusion driving mechanism.
  • a pressure monitoring interface 15 is provided on the monitoring auxiliary housing 9, and the rest of the conditions are the same.
  • the heparin water storage bottle 1 can adopt the existing common form, that is, the heparin water storage body is the heparin water storage bottle 1 .
  • the heparin water infusion tube 4 is adapted to connect with the heparin water storage bottle 1, and the specific cooperation between the heparin water infusion tube 4 and the heparin water storage bottle 1 is consistent with the existing infusion methods.
  • An infusion exhaust pipe 2 is arranged on the heparin water infusion pipe 4 , and an exhaust pipe plug is arranged in the infusion exhaust pipe 2 , so that exhaust during the infusion process can be realized through the infusion exhaust pipe 2 .
  • a Murphy's tube 5 and an infusion regulator 6 for adjusting the speed are arranged on the heparin water infusion tube 4 , and the infusion regulator 6 and the Murphy's tube 5 can specifically adopt existing commonly used structures.
  • the heparin water infusion tube 4 is adaptively connected to the tube body joint 17 at the second end of the pressure measuring connecting tube 11. After the heparin water infusion tube 4 is tightly connected to the tube body joint 17 at the second end of the pressure measuring connecting tube 11, the heparin water infusion tube 4 can It communicates with the indwelling tube 14 through the pressure measuring connecting tube 11 . During operation, the heparin water in the heparin water storage bottle 1 can be sent into the pressure measuring connecting tube 11 by squeezing the pressure measuring connecting tube 11 through the squeezing driving mechanism, and can wriggle into the indwelling tube 14.
  • the monitoring auxiliary housing 9 is a simple structure, and the pressure measurement connecting pipe 11 and the monitoring auxiliary housing 9 need to be fitted and connected through the pipe connection positioning mechanism 16, and after the connection, it can be conveniently squeezed.
  • the pressure driving mechanism squeezes the pressure measurement connecting pipe 11.
  • the pipe body connection positioning mechanism 16 includes a pipe body connection sleeve 22 that allows the pressure measuring connection pipe 11 to be embedded, and several sleeve body connection hooks are arranged on the pipe body connection sleeve 22 ;
  • a number of housing holes 18 that can be adapted to the sleeve body connecting hooks are set on the monitoring auxiliary housing 9. After the sleeve body connecting hooks of the tube body connecting sleeve 22 are embedded in the corresponding housing holes 18, they are connected through the tube body connecting sleeve. 22 can make the pressure measuring connecting pipe 11 correspond to the extruding driving mechanism.
  • the pipe body connecting sleeve 22 is in the shape of a groove, and the pipe body connecting sleeve 22 has an inner groove 23 for accommodating the pressure measuring connecting pipe 11, that is, the pressure measuring connecting pipe 11 can be embedded in the pipe body connecting sleeve 22.
  • the sleeve body connecting hooks are distributed at both ends of the pipe body connecting sleeve 22 , and the sleeve body connecting hooks include a hook plate 24 and a hook body 25 located at the end of the hook plate 24 .
  • Housing hole 18 is set at the end of monitoring auxiliary housing 9, and the quantity of housing hole 18 is not less than the quantity of cover body connecting hook, and cover body connecting hook can be inserted in the housing hole 18, through hook plate 24 and hook body
  • the cooperation between 25 and the housing hole 18 can make the tight connection between the pipe connecting sleeve 22 and the monitoring auxiliary housing 9 .
  • the hook body 25 can be withdrawn from the housing hole 18 by pressing the hook plate 24 inwardly, and then the entire tube connecting sleeve 22 can be pulled.
  • Fig. 13 and Fig. 14 it also includes a sampling interface unit adapted to connect with the pressure measurement connecting pipe 11 and the indwelling tube 14;
  • the sampling interface unit includes a sampling interface main pipe 52 and a sampling interface sampling side pipe 55 communicated with the sampling interface main pipe 52.
  • the pressure measuring connecting pipe 11 and the indwelling tube 14 can be adapted to connect with the two ends of the sampling interface main pipe 52 respectively.
  • a sampling connection control mechanism that can be adapted to be connected with the sampler is set in the sampling interface sampling side pipe 55, and the sampling connection control mechanism can move in the sampling interface sampling side pipe 55; the sampler stretches into the sampling interface sampling side pipe 55 to drive After the sampling connection control mechanism moves in the sampling side pipe 55 of the sampling interface, the communication state between the pressure measurement connection pipe 11 and the indwelling tube 14 can be blocked by the sampling connection control mechanism, and the sampler can pass through the sampling connection control mechanism and the sampling interface is in charge.
  • 52 is connected and communicated with the indwelling tube 14, so that the required sampling can be carried out by the sampler;
  • the sampling connection control mechanism After the sampler is separated from the sampling connection control mechanism, the sampling connection control mechanism resets after moving in the sampling side pipe 55 of the sampling interface. Disconnect the communication between the pressure measurement connecting pipe 11, the indwelling pipe 14 and the sampling side pipe 55 of the sampling interface.
  • the pressure measurement The connecting tube 11 can communicate with the indwelling tube 14 through the sampling interface unit.
  • the sampling interface unit includes a sampling interface main pipe 52 and a sampling interface sampling side pipe 55, wherein the sampling interface main pipe 52 can be in the shape of a straight tube, and the sampling interface sampling side pipe 55 is located on one side of the sampling interface main pipe 52.
  • a T-shaped structure can be formed between the main pipe 52 and the sampling side pipe 55 of the sampling interface.
  • the two ends of the sampling interface main pipe 52 are respectively formed with a sampling main pipe first connecting end 53 and a sampling main pipe second connecting end 54, wherein the sampling interface main pipe 52 can be adapted to connect with the pressure measuring connecting pipe 11 through the sampling main pipe first connecting end 53 , the sampling interface main pipe 52 can be adapted to connect with the indwelling tube 14 through the second connecting end 54 of the sampling main pipe.
  • the sampling interface sampling side pipe 55 is located between the first connecting end 53 of the main sampling pipe and the second connecting end 54 of the main sampling pipe.
  • a sampling connection control mechanism is set in the sampling interface sampling side pipe 55, the sampling connection control mechanism can move in the sampling interface sampling side pipe 55, and the movement direction of the sampling connection control mechanism in the sampling interface sampling side pipe 55 is consistent with the sampling interface
  • the length direction of the main pipe 52 is vertical.
  • the sampler can generally be a sampling syringe or other required forms. The specific form of the sampler can be selected according to needs, as long as it can be adapted to the sampling interface sampling side pipe 55 and the sampling connection control mechanism, it will not be repeated here.
  • the sampler can be stretched into the sampling side pipe 55 of the sampling interface. After the sampler is inserted into the sampling side pipe 55 of the sampling interface, it can be connected and cooperated with the sampling connection control mechanism.
  • the movement of the sampling connection control mechanism can be driven.
  • the sampling connection control mechanism When the sampling connection control mechanism is in place, the communication state between the pressure measuring connection tube 11 and the indwelling tube 14 can be blocked by the sampling connection control mechanism, and the indwelling tube 14 can be communicated with the sampler through the sampling connection control mechanism, so that it can pass through the sampler. Take the required sampling.
  • the sampling connection control mechanism When the sampler is separated from the sampling connection control mechanism after the sampling is completed, the driving force on the sampling connection control mechanism disappears, and the sampling connection control mechanism can be reset. After the sampling connection control mechanism is reset, the pressure measurement connection pipe 11 passes through the sampling interface.
  • the main pipe 52 can restore the communication state with the indwelling tube 14; at the same time, the communication between the pressure measuring connecting tube 11, the indwelling tube 14 and the sampling port sampling side tube 55 can be blocked through the sampling connection control mechanism, that is, the pressure measuring connection will not be affected.
  • the pressure of tube 11 and indwelling tube 14 is measured normally.
  • the sampling connection control mechanism includes a sampling connection control body and a sampling elastic body 57 that can be sleeved on the sampling connection control body. Components can be selected according to needs, and will not be repeated here.
  • the sampling port sampling side pipe 55 is provided with a sampling side pipe sampling positioning ring 56 at the end far away from the sampling port main pipe 52, and the sampling side pipe sampling positioning ring 56 can be used to lock the sampling connection control body and the sampling elastic body 57 in the sampling port sampling side pipe 55, avoid using the sampling elastic body 57 to disengage from the sampling side pipe 55 of the sampling interface during the reset process.
  • a sampling side tube inner groove 59 and a sampling side tube inner limit ring 60 are provided in the sampling interface sampling side tube 55 .
  • the sampling connection control body is tubular, but the end of the sampling connection body that can enter the sampling interface main pipe 52 is in a closed state.
  • the end of the sampling connection control body that can enter the sampling interface main pipe 52 is the first end of the sampling control body, and the other end is the second end of the sampling connection control body.
  • the first end body 62 of the sampling main body is set at the first end of the sampling connection control main body, and the sampling side port 61 of the sampling side tube is set on the first end body 62 of the sampling main body, and the sampling side port 61 of the sampling tube runs through the sampling port.
  • the side wall of the first end body 62 of the main body communicates with the inner cavity of the sampling connection control main body.
  • Sampling main body annular groove 63 is also set on sampling connection control main body, and the outer diameter of sampling main body annular groove 63 is less than the outer diameter of sampling main body first end body 62, and one end of sampling main body annular groove 63 and sampling main body first end body 62, the other end of the sampling main body ring groove 63 is adjacent to the sampling outer limit ring 64, and the outer diameter of the sampling outer limit ring 64 is also greater than the outer diameter of the sampling main body ring groove 63.
  • the sampling elastic body 57 can be sleeved on the sampling connection control body, and is limited between the sampling outer limiting ring 64 and the first end body 62 of the sampling body.
  • Sampling outer limit guide positioning block 65 is set on sampling outer limit ring 64, sampling main body positioning connector 66 is set outside sampling outer limit ring 64, and sampling side tube sampling positioning ring 56 can be sleeved on sampling main body positioning connector 66 on.
  • the sampling elastic body 57 When the sampling connection control body is placed in the sampling interface sampling side tube 55, the sampling elastic body 57 is located in the inner groove body 59 of the sampling side tube, and the sampling outer limit ring 64 can be connected to the sampling side tube through the sampling outer limit guide positioning block 65.
  • the guide groove of the groove body 59 cooperates, utilizes sampling outer limit guide positioning block 65 to cooperate with the groove body 59 in the sampling side pipe, can avoid the rotation of the sampling connection control body in the sampling interface sampling side pipe 55, and can ensure the sampling connection control body The stability and reliability of the movement in the sampling side pipe 55 of the sampling interface.
  • the first end body 62 of the sampling main body and the outer limiting ring 64 of the sampling connection control body are respectively located on both sides of the inner limiting ring 60 of the sampling side tube, and the inner limiting ring 60 of the sampling side tube and the first end body of the sampling main body 62 fits adjacent to the end surface of the sampling outer limiting ring 64 to limit the movement of the sampling connection control body in the sampling side pipe 55 of the sampling interface.
  • the sampling elastic body 57 is in the inner groove body 59 of the sampling side tube and is limited between the sampling outer limiting ring 64 and the sampling side tube inner limiting ring 60 .
  • the sampler When needs to take a sample, the sampler stretches into the sampling side port sampling side pipe 55, that is, the sampler can enter the sampling connection control main body through the sampling side pipe sampling positioning ring 56. As the pressure is continuously applied to the sampler, the sampler can push the sampling connection control body to move in the sampling side pipe 55 at the sampling side port. At this time, the sampling elastic body 57 can be compressed by the sampling outer limit ring 64 . When the sampling connection control body moves into place, at this moment, the first end of the sampling connection control body abuts against the inner wall of the sampling interface main pipe 52, and the sampling elastic body 57 is in a state of maximum compression.
  • the sampling side port 61 of the sampling side pipe corresponds to the second connecting end 54 of the sampling main pipe, so that the second connecting end 54 of the sampling main pipe can be communicated with the sampler through the sampling side port 61 of the sampling side pipe, and the sampler can be connected to the second connecting end of the sampling main pipe.
  • the indwelling tube 14 connected to the end 54 can realize body fluid sampling. Since the sampling connection control main pipe blocks the communication between the pressure measuring connecting tube 11 and the sampler, the liquid in the pressure measuring connecting tube 11 will not enter the sampler, which can improve the sampling efficiency. Convenience and reliability.
  • the sampler withdraws from the sampling connection control body.
  • the sampling connection control body can be reset, that is, the first end of the sampling connection control body moves away.
  • the side wall direction of the contacted sampling interface main pipe 52 moves until the limit is realized under the action of the limit ring 60 in the sampling side tube.
  • the limit when resetting can also be realized by using the sampling positioning ring 56 of the sampling side tube.
  • the pressure measuring connecting tube 11 and the indwelling tube 14 are all It is not connected with the sampling side port 61 of the sampling side pipe, which can ensure normal pressure measurement.
  • sampling there is no need to separate the pressure measuring connecting tube 11 from the indwelling tube 14, which can reduce waste and pollution during blood drawing.
  • operations such as flushing can also be performed through the sampling interface unit.
  • specific flushing it is the opposite process with sampling. For injecting flushing liquid into the second connecting end 54 of the sampling main pipe through the sampling side port 61 of the sampling side pipe through a syringe, etc., the rest are the same and will not be repeated here.
  • At least one blood drawing and flushing joint 13 can also be set on the said pressure measuring connecting pipe 11, and the required blood drawing or washing can be carried out through the blood drawing and washing joint 13;
  • a detachable connection is adopted between the pipe joints 17 at the second end of the crimp connection pipe 11 .
  • the blood drawing and flushing connection head 13 generally adopts a three-way valve, and the number of the blood drawing and flushing connection head 13 can be selected according to actual needs.
  • the pipe 11 is provided with two blood-drawing and flushing connectors 13 .
  • a three-way valve When a three-way valve is used, it can be used as a simple sampling interface unit.
  • the built-in heparin water unit includes a heparin water receiver 26 located in the monitoring auxiliary housing 9, and the pressure measurement connecting pipe 11
  • the second end is placed in the monitoring auxiliary housing 9 and can be connected and communicated with the heparin water container 26.
  • the extrusion driving mechanism can correspond to the second end of the pressure measurement connecting pipe 11 located in the monitoring auxiliary housing 9, so as to utilize the extrusion
  • the pressure driving mechanism can perform required extrusion on the second end of the pressure measurement connecting pipe 11 located in the monitoring auxiliary housing 9 .
  • the built-in heparin water unit specifically refers to the heparin water receiver 26 being able to be in the monitoring auxiliary housing 9 ; that is, the heparin water receiver is the heparin water receiver 26 .
  • FIG. 5 and FIG. 6 show the situation of the monitoring auxiliary housing 9 capable of accommodating the heparin water container 26 , which is different from the situation of the monitoring auxiliary housing 9 in FIGS. 1 to 4 .
  • the pressure monitoring interface 15 is not provided on the monitoring auxiliary housing 9.
  • the pressure monitoring interface 15 is provided on the monitoring auxiliary housing 9, and the specific connection and cooperation between the pressure monitoring interface 15 and the pressure monitoring connector 8 Reference may be made to the description above, and details are not repeated here.
  • the second end of the pressure measurement connecting pipe 11 is located in the monitoring auxiliary housing 9 and can be connected and communicated with the heparin water receiver 26 .
  • the shape of the heparin water storage device 26 includes a bag shape;
  • the monitoring auxiliary housing 9 includes a lower body for accommodating the heparin water storage device 26 and an upper body for accommodating the extrusion driving mechanism, and the pressure measuring connecting pipe 11 The second end can be snapped into the lower body.
  • the monitoring auxiliary housing 9 includes a heparin water storage bin 49 and an extrusion drive storage bin 29 for accommodating the extrusion drive mechanism.
  • the heparin water storage bin 49 and the extrusion drive storage bin 29 are respectively located The two ends of the casing 9 , that is, the upper body includes a squeeze-driven storage bin 29 , and the lower body includes a heparin water storage bin 49 .
  • the heparin water receiver 26 is used to store heparin water, and the heparin water receiver 26 is placed behind the heparin water storage compartment 49, which can follow and monitor the auxiliary housing 9, simplify the use of existing arterial pressure monitoring, and improve the convenience of use.
  • the heparin water storage container 26 in the heparin water storage compartment 49 can be replaced, that is, the heparin water storage compartment 49 adopts a form that can be opened.
  • the heparin water storage bin 49 includes a bin cover and a lower housing lock 27 adapted to the bin cover, and the lower housing lock 27 can be used to lock the bin cover on the monitoring auxiliary housing 9;
  • the heparin water container 26 can be replaced.
  • the heparin water container 26 can be connected to the pressure measuring connecting pipe 11 through the container connecting pipe 28 .
  • the pressure measurement connecting pipe 11 is clamped in the monitoring auxiliary housing 9.
  • the second end of the pressure measuring connecting pipe 11 can correspond to the extrusion driving mechanism, thereby The extruding driving mechanism can extrude the pressure measuring connecting pipe 11 .
  • the monitoring display screen 10 can be arranged on the upper body, and the specific conditions of the monitoring display screen 10 and the pressure monitoring interface 15 can refer to the above description, and will not be repeated here.
  • the extrusion driving mechanism includes the first platen body 19 of the pipe body, the middle platen body 20 of the pipe body, the second platen body 21 of the pipe body and the driving body of the platen movement, the middle platen body 20 of the pipe body Located between the first platen body 19 of the pipe body and the second platen body 21 of the pipe body;
  • the pressing plate movement driving body can drive the first pressing plate body 19 of the pipe body, the middle pressing plate body 20 of the pipe body and the second pressing plate body 21 of the pipe body to carry out the required motion, through the first pressing plate body 19 of the pipe body, the middle pressing plate body 20 of the pipe body and the
  • the second pressure plate body 21 cooperates with the pressure measuring connecting tube 11 respectively, so as to be able to drive the power of the heparin water to move in the pressure measuring connecting tube 11 .
  • the second end of the pressure measurement connecting pipe 11 can be squeezed through the first pressure plate body 19 of the pipe body, the middle pressure plate body 20 of the pipe body, and the second pressure plate body 21 of the pipe body.
  • the pressure plate body 19 , the middle pressure plate body 20 of the tube body and the second pressure plate body 21 of the tube body respectively squeeze and cooperate with the pressure measuring connecting tube 11 to drive the heparin water to wriggle in the pressure measuring connecting tube 11 .
  • the second pressure plate 21 of the pipe body, the middle pressure plate body 20 of the pipe body, and the first pressure plate body 19 of the pipe body can also be used to sequentially squeeze the pressure measurement connecting pipe 11, and the specific order can be adjusted as required. Monitoring the location in the auxiliary housing 9 is related, and will not be repeated here.
  • it also includes a data sampling transmission device and a central monitoring station that can be connected with the data sampling transmission device, and the data sampling transmission device can transmit the pressure monitoring value monitored by the pressure monitoring unit 12 to the central monitoring station.
  • the data sampling transmission device can adopt the existing commonly used form.
  • the data sampling transmission device can realize the electrical connection between the pressure monitoring units 12, and can transmit the pressure monitoring value monitored by the pressure monitoring unit 12 through wireless or wired
  • the central monitoring station can be an existing commonly used monitoring server, so that it can be convenient for medical staff to carry out unified monitoring.
  • the pressure monitoring implemented by the manometric connecting tube 11 and the indwelling tube 14 can generally be arterial pressure monitoring, and of course can also be used to monitor venous pressure, intracranial pressure, cerebrospinal fluid pressure, thoracic respiratory pressure, bladder pressure, bowel pressure, etc. Cavity pressure, pleural effusion and ascites pressure, etc., the specific pressure monitoring auxiliary process is consistent, and will not be repeated here.
  • the oxygen saturation monitoring sensor and the pressure monitoring sensor in the pressure monitoring can also be included, the monitoring of the oxygen saturation in the pressure monitoring process can be realized through the oxygen saturation monitoring sensor, and the pressure monitoring in the pressure measuring connecting pipe 11 can be realized through the pressure monitoring sensor According to the change of the pressure state in the pressure measurement connecting pipe 11, it can be judged whether there is a blockage or the like.
  • the oxygen saturation sensor and the pressure monitoring sensor need to be electrically connected to the information input processor.
  • the platen movement driving body includes a driving motor 30 and a transmission shaft 33 that is adaptively connected to the output shaft of the driving motor 30;
  • the transmission shaft 33 is provided with the rotating first cam 31 adapted to the first platen body 19 of the drive pipe body, the second rotating cam 34 adapted to the second platen body 21 of the pipe body, and the second platen body 20 adapted to the pipe body. Rotate the intermediate cam 32;
  • the driving motor 30 drives the transmission shaft 33 to rotate
  • the first cam 31, the second cam 34, and the middle cam 32 rotate synchronously with the transmission shaft 33, and can drive the first pressing plate body 19 of the pipe body and the middle pressing plate body 20 of the pipe body.
  • the middle pressure plate body 20 of the pipe body does not pressurize the pressure measuring connecting pipe 11 at the same time.
  • the driving motor 30 can be in the form of a stepping motor, which can be selected according to actual needs.
  • the transmission shaft 33 is adapted to connect with the output shaft of the driving motor 30, and the transmission shaft 33 and the output shaft of the driving motor 30 can be connected.
  • the output shaft of the driving motor 30 can drive the transmission shaft 33 to rotate synchronously.
  • the transmission shaft 33 is provided with a rotating first cam 31 , a rotating second cam 34 and a rotating intermediate cam 32 , and the rotating first cam 31 , the rotating second cam 34 and the rotating intermediate cam 32 are fixed on the transmission shaft 33 .
  • Rotating the first cam 31 and rotating the second cam 34 adopt similar structures, that is, the rotating cam cam surface 35 is set on the circular rotating ring, and the cam form is formed by rotating the cam cam surface 35 and the rotating ring, but rotating the first cam 31.
  • the position of the cam surface 35 on the rotating second cam 34 is different, so that when the transmission shaft 33 rotates, the first cam 31 is rotated to cooperate with the first platen body 19 of the pipe body, and the second cam 34 is rotated to be connected to the pipe body.
  • the second pressing plate body 21 After the second pressing plate body 21 is matched, it can drive the first pressing plate body 19 of the pipe body and the second pressing plate body 21 of the pipe body to move differently and simultaneously.
  • the specific cooperation between rotating the middle cam 32 and the middle pressure plate body 20 of the tube body is similar, so that by driving the first pressure plate body 19 of the tube body, the middle pressure plate body 20 of the tube body and the second pressure plate body 21 of the tube body to move respectively, the heparin solution can be realized.
  • the heparin water in the storage bag 15 is squeezed and transported into the pressure measuring connecting tube 11 .
  • the first pressure plate body 19 of the pipe body is located adjacent to the driving motor 30 , and the second pressure plate body 21 of the pipe body is far away from the driving motor 30 .
  • the first pressure plate body 19 of the pipe body, the second pressure plate body 21 of the pipe body and the intermediate pressure plate body 20 of the pipe body can pass through the power mechanism receiving portion 17 .
  • the compression of the pressure measurement connecting pipe 11 can be realized, and the pipe body After the first pressure plate body 19 of the pipe body, the second pressure plate body 21 of the pipe body, and the middle pressure plate body 20 of the pipe body are compressed with the pressure measurement connecting pipe 11, the pressure measurement can be realized at the junction with the pressure measurement connection pipe 11. Press the connection tube 11 off.
  • the first pressure plate body 19 of the tube body, the middle pressure plate body 20 of the tube body, and the second pressure plate body 21 of the tube body respectively press the pressure measuring connecting tube 11 through the transmission shaft 33 .
  • other methods can also be used, as long as the heparin water can be transported into the pressure measuring connecting tube 11 , no more details will be given here.
  • the specific realization of the process of sending heparin water into the pressure measuring connecting tube 11 can refer to the above description.
  • the frequency of pressurization during the monitoring process is specifically realized, and the medical standard or actual selection in the actual pressure monitoring process shall prevail, that is, the working state of the driving motor 30 can be controlled to
  • the regulation and control are well known to those skilled in the art, and will not be repeated here.
  • the rotating intermediate cam 32 specifically includes an intermediate positioning ring 32 , the intermediate positioning ring 32 is in the shape of a ring, and the intermediate positioning ring 32 is fixed on the transmission shaft 33 .
  • the both sides of intermediate positioning ring 32 are respectively provided with intermediate positioning ring to connect convex ring 50, and the external diameter of intermediate positioning ring connecting convex ring 50 is less than the external diameter of intermediate positioning ring 32, and intermediate positioning ring connects convex ring 50 for setting on the circular ring
  • the connecting convex ring cam surface 51 is formed, the intermediate positioning ring connecting convex ring 50 is fixedly connected with the intermediate positioning ring 32, and the positions of the connecting convex ring cam surface 51 on the connecting convex ring 50 of the two intermediate positioning rings are the same.
  • the middle platen body 20 of the pipe body includes an intermediate platen 36, two corresponding platen connecting arms 38 are arranged on the intermediate platen 36, and a platen arm hole 37 is arranged on each platen connecting arm 38, and the space between the platen connecting arms 38 is hollow. structure.
  • an inner convex ring 39 of the intermediate pressing plate is provided on the intermediate pressing plate 36 .
  • the inner convex rings 39 of the intermediate pressing plate are respectively adjacent to a connecting arm 38 of the pressing plate.
  • the connecting arm 38 of the pressing plate and the hole 37 of the pressing plate arm can be stuck on the transmission shaft 33.
  • the inner convex ring 39 of the intermediate pressing plate can correspond to the connecting convex ring 50 of the intermediate positioning ring respectively.
  • the inner convex ring 39 of the middle pressing plate is in the shape of a semicircle or an arc.
  • the middle pressing plate 36 is in the shape of a flat plate.
  • the cooperation between the middle positioning ring connecting convex ring 50 and the inner convex ring 39 of the middle pressing plate can realize the movement of pushing the middle pressing plate 36 relative to the monitoring auxiliary housing 9 .
  • the intermediate pressing plate 36 can be accommodated in the monitoring auxiliary housing 9, and when the connecting convex ring of the intermediate positioning ring 50, when the remaining part corresponds to the inner convex ring 39 of the intermediate pressure plate, the intermediate pressure plate 36 can be pushed out from the monitoring auxiliary housing 9. At this time, the intermediate pressure plate 36 can squeeze the contacted pressure measuring connecting pipe 11 to realize Partially off.
  • the first pressure plate body 19 of the pipe body and the second pressure plate body 21 of the pipe body adopt the same structural form, specifically, include an outer plate body 41 and an inner plate body 46, and the inner plate body 46 can be embedded in the outer plate body. Inside the plate body 41 , the inner plate body 46 and the outer plate body 41 can move with each other.
  • the first end of the inner plate body 46 has a pressure plate protrusion 45 , and a pressure plate elastic body 40 is arranged in the inner plate body 46 , and the pressure plate elastic body 40 can be made of elastic components such as springs.
  • An outer plate positioning connecting arm 43 is arranged in the outer plate body 41, and an outer plate positioning body 42 is arranged at the end of the outer plate positioning connecting arm 43, and the outer plate body 41 can cooperate with the pressing plate elastic body 40 through the outer plate positioning body 42 , the outer plate positioning body 42 between the inner plate body 46 and the outer plate body 41 adopts inclined plane cooperation; specifically, the second end of the inner plate body 46 is provided with a second inclined plane 48, and the outer plate positioning body 42 is provided with the second inclined plane.
  • 48 is adapted to the first slope 47 , and through the cooperation of the first slope 47 and the second slope 48 , the positioning and position-limiting cooperation between the inner plate body 46 and the second end of the outer plate body 41 can be realized.
  • the cam surface 34 corresponding to the second cam 34 is corresponding to the cam surface 34 of the pressing plate corresponding to the pressing plate protrusion 45, then the first pressing plate body 19 of the pipe body and the first pressing plate body 19 of the pipe body
  • the second platen body 21 is kept stored in the monitoring auxiliary housing 9 .
  • the pressing plate elastic body 40 and the outer plate positioning body 42 can Push the outer plate body 41 to move, that is, the outer plate body 41 can be pushed out of the monitoring auxiliary housing 9 , so that the outer plate body 41 passing out of the monitoring auxiliary housing 9 can be used to squeeze the pressure measuring connecting pipe 11 .

Abstract

L'invention concerne un appareil portable de surveillance de pression médicale, comprenant un tube de raccordement de mesure de pression pouvant être en communication adaptative avec un tube à demeure de pièce de mesure de pression, et une unité d'alimentation auxiliaire de surveillance associée au tube de raccordement de mesure de pression, l'unité d'alimentation auxiliaire de surveillance étant apte à presser le tube de raccordement de mesure de pression. Pendant un processus de surveillance de pression, au moyen de l'unité d'alimentation auxiliaire de surveillance pressant le tube de raccordement de mesure de pression, une alimentation peut être fournie pour l'écoulement d'héparine-eau dans le tube de raccordement de mesure de pression. La présente invention permet : d'améliorer la commodité et la fiabilité du processus de surveillance de pression médicale; de prélever un fluide corporel de façon pratique et de rincer le tube de raccordement de mesure de pression pendant la surveillance de pression; de réaliser un prélèvement fermé pour empêcher les déchets de fluide corporel et prévenir les infections; de surveiller les paramètres vitaux d'un patient; de réduire la charge de travail liée au transfert de patient; et de surveiller efficacement un patient dans une salle d'hôpital.
PCT/CN2021/126060 2021-07-09 2021-10-25 Appareil portable de surveillance de pression médicale WO2023279577A1 (fr)

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CN202110780654.0A CN113349749A (zh) 2021-07-09 2021-07-09 便携式医用压力监测装置

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Publication number Priority date Publication date Assignee Title
CN113349749A (zh) * 2021-07-09 2021-09-07 无锡医百加科技有限公司 便携式医用压力监测装置

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CN211834371U (zh) * 2019-07-19 2020-11-03 无锡圣诺亚科技有限公司 一种压力实时监测装置
CN112915313A (zh) * 2021-03-08 2021-06-08 郑州大学第一附属医院 一种神经介入手术用压力可调式输液装置
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US5048537A (en) * 1990-05-15 1991-09-17 Medex, Inc. Method and apparatus for sampling blood
US20090124964A1 (en) * 2003-12-05 2009-05-14 Dexcom, Inc. Integrated device for continuous in vivo analyte detection and simultaneous control of an infusion device
CN101631498A (zh) * 2007-02-15 2010-01-20 爱德华兹生命科学公司 在医疗管线内使用的一次性、封闭的血液采样系统
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CN211834371U (zh) * 2019-07-19 2020-11-03 无锡圣诺亚科技有限公司 一种压力实时监测装置
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