CN113749635A - Intracranial pressure monitoring system - Google Patents

Intracranial pressure monitoring system Download PDF

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Publication number
CN113749635A
CN113749635A CN202111024337.2A CN202111024337A CN113749635A CN 113749635 A CN113749635 A CN 113749635A CN 202111024337 A CN202111024337 A CN 202111024337A CN 113749635 A CN113749635 A CN 113749635A
Authority
CN
China
Prior art keywords
pressure
tube
drainage
intracranial
monitoring
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202111024337.2A
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Chinese (zh)
Inventor
范晓玲
姚政
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Shenzhen Changjiu Kanglian Biotechnology Co ltd
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Shenzhen Changjiu Kanglian Biotechnology Co ltd
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Application filed by Shenzhen Changjiu Kanglian Biotechnology Co ltd filed Critical Shenzhen Changjiu Kanglian Biotechnology Co ltd
Priority to CN202111024337.2A priority Critical patent/CN113749635A/en
Publication of CN113749635A publication Critical patent/CN113749635A/en
Pending legal-status Critical Current

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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
    • A61B5/03—Detecting, measuring or recording fluid pressure within the body other than blood pressure, e.g. cerebral pressure; Measuring pressure in body tissues or organs
    • A61B5/031—Intracranial pressure
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/03—Detecting, measuring or recording fluid pressure within the body other than blood pressure, e.g. cerebral pressure; Measuring pressure in body tissues or organs
    • A61B5/032—Spinal fluid pressure
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M27/00—Drainage appliance for wounds or the like, i.e. wound drains, implanted drains
    • A61M27/002—Implant devices for drainage of body fluids from one part of the body to another
    • A61M27/006—Cerebrospinal drainage; Accessories therefor, e.g. valves
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B2562/00—Details of sensors; Constructional details of sensor housings or probes; Accessories for sensors
    • A61B2562/02—Details of sensors specially adapted for in-vivo measurements
    • A61B2562/0247—Pressure sensors

Abstract

The invention discloses an intracranial pressure monitoring system, belongs to the technical field of medical instruments, and can solve the problems that intracranial flow guide and intracranial pressure monitoring are carried out separately, the operation is time-consuming and labor-consuming, and infection is easily caused. Comprises an intracranial pressure monitoring subsystem and an extracerebral drainage subsystem; the intracranial pressure monitoring subsystem comprises a pressure detection tube, a pressure acquisition unit, a control unit and a monitoring unit; the ventricular external drainage subsystem comprises a drainage tube and a drainage device; one end of the pressure detection tube is placed in the ventricle of the patient, and the pressure acquisition unit is arranged at the other end of the pressure detection tube; one end of the drainage tube is arranged in the ventricle of the brain of the patient, and the other end of the drainage tube is communicated with the inlet end of the drainage device; the pressure acquisition unit is used for acquiring the cerebrospinal fluid pressure in the pressure detection tube; the control unit is used for controlling the working state of the drainage device according to the cerebrospinal fluid pressure; the monitoring unit is used for monitoring the cerebrospinal fluid pressure in real time. The invention is used for intracranial diversion and intracranial pressure monitoring.

Description

Intracranial pressure monitoring system
Technical Field
The invention relates to an intracranial pressure monitoring system, and belongs to the technical field of medical instruments.
Background
An Extra Ventricular Drainage (EVD) is one of the most widely applied emergency treatment measures in neurosurgery, and is mainly used for emergency treatment or definite diagnosis of diseases causing intracranial pressure increase, such as ventricular hemorrhage, intracranial pressure increase after craniocerebral operation, various acute hydrocephalus, and even patients with a hernia crisis.
Intracranial pressure (ICP) monitoring is an integral component of critical neurological therapy. IPC monitoring has been applied to clinical treatment management of patients with craniocerebral injury, subarachnoid hemorrhage, intracranial tumors, intracranial hemorrhage, cerebral infarction, hydrocephalus, central nervous system infection, and fulminant hepatic failure.
At present, the used ventricular external drainage system of clinical and intracranial pressure monitor are mostly independent packing separately, and the patient need go to the operating room and carry out the ventricular external drainage after, is opened the pipeline by medical personnel again and is connected intracranial pressure monitor system, and not only the operation is wasted time and energy, leads to the infection moreover easily.
Disclosure of Invention
The invention provides an intracranial pressure monitoring system, which can solve the problems that intracranial diversion and intracranial pressure monitoring are carried out separately, the operation is time-consuming and labor-consuming, and infection is easily caused.
The invention provides an intracranial pressure monitoring system, which comprises an intracranial pressure monitoring subsystem and an extracerebral drainage subsystem;
the intracranial pressure monitoring subsystem comprises a pressure detection tube, a pressure acquisition unit, a control unit and a monitoring unit;
the ventricular external drainage subsystem comprises a drainage tube and a drainage device;
one end of the pressure detection tube is placed in the ventricle of the patient, the pressure acquisition unit is arranged at the other end of the pressure detection tube, and the pressure acquisition unit is electrically connected with the control unit; one end of the drainage tube is placed in the ventricle of the patient, the other end of the drainage tube is communicated with the inlet end of the drainage device, and the drainage device is electrically connected with the control unit;
the pressure acquisition unit is used for acquiring the cerebrospinal fluid pressure in the pressure detection tube and uploading the cerebrospinal fluid pressure to the control unit;
the control unit is used for receiving and processing the cerebrospinal fluid pressure acquired by the pressure detection tube and controlling the working state of the drainage device according to the cerebrospinal fluid pressure;
the monitoring unit is electrically connected with the pressure acquisition unit and is used for monitoring the cerebrospinal fluid pressure in real time.
The pressure detecting tube is an elastic solid silicone rubber tube or a thermoplastic polyurethane tube.
The drainage tube is an elastic solid silicone rubber tube or a thermoplastic polyurethane tube.
The side wall of one end, far away from the pressure acquisition unit, of the pressure detection tube is provided with first positioning points at intervals along the length direction of the pressure detection tube, and the first positioning points are used for positioning the pressure detection tube;
a second positioning point is arranged on the side wall of one end of the drainage tube, which is far away from the drainage device, at intervals along the length direction of the drainage tube and is used for positioning the drainage tube;
preferably, the intervals are set to be equally spaced.
The pressure acquisition unit comprises a cranial pressure sensor and is used for acquiring the cerebrospinal pressure.
The cranial pressure sensor is arranged in the pressure detection pipe.
The pressure acquisition unit further comprises a signal amplifier, the signal amplifier is electrically connected with the cranial pressure sensor, and the signal amplifier is electrically connected with the control unit and used for carrying out signal amplification processing on the cerebrospinal pressure.
The monitoring unit is an intracranial pressure monitor or an intensive care unit monitoring system.
The ventricular external drainage subsystem further comprises a liquid accumulation bag, and the liquid accumulation bag is communicated with the outlet end of the drainage device and used for preventing cerebrospinal fluid from flowing backwards.
The invention can produce the beneficial effects that:
the intracranial pressure monitoring and intracranial flow guiding device can simultaneously monitor the intracranial pressure and guide the intracranial flow by matching the intracranial pressure monitoring subsystem with the extracerebral drainage subsystem, and effectively solves the problems that the operation is time-consuming and labor-consuming and the infection is easily caused because the intracranial flow guiding and the intracranial pressure monitoring are separately carried out in the prior art;
according to the invention, the external pressure acquisition unit is used for monitoring the cerebrospinal fluid pressure of the patient, and the cranial pressure sensor of the pressure acquisition unit can be recalibrated under the condition that the normal work of the ventricular external drainage subsystem is not influenced, so that the intracranial pressure monitoring device is convenient for a user to use, and the intracranial pressure monitoring accuracy is improved.
Drawings
Fig. 1 is a schematic overall structure diagram of an intracranial pressure monitoring system provided by an embodiment of the invention.
List of parts and reference numerals:
1. an intracranial pressure monitoring subsystem; 11. a pressure probe tube; 12. a pressure acquisition unit; 121. a cranial pressure sensor; 122. a signal amplifier; 13. a control unit; 14. a monitoring unit; 2. an extra-ventricular drainage subsystem; 21. a drainage tube; 22. a drainage device; 23. a liquid accumulation bag.
Detailed Description
The present invention will be described in detail with reference to examples, but the present invention is not limited to these examples.
As shown in fig. 1, an embodiment of the present invention provides an intracranial pressure monitoring system, which includes an intracranial pressure monitoring subsystem 1 and an extracerebral ventricular drainage subsystem 2;
the intracranial pressure monitoring subsystem 1 comprises a pressure detecting tube 11, a pressure collecting unit 12, a control unit 13 and a monitoring unit 14;
the ventricular external drainage subsystem 2 comprises a drainage tube 21 and a drainage device 22;
one end of a pressure detection tube 11 is placed in the ventricle of the brain of the patient, a pressure acquisition unit 12 is arranged at the other end of the pressure detection tube 11, and the pressure acquisition unit 12 is electrically connected with a control unit 13; one end of the drainage tube 21 is arranged in the ventricle of the brain of the patient, the other end is communicated with the inlet end of the drainage device 22, and the drainage device 22 is electrically connected with the control unit 13;
the pressure acquisition unit 12 is used for acquiring cerebrospinal fluid pressure in the pressure detection tube 11 and uploading the cerebrospinal fluid pressure to the control unit 13;
the control unit 13 is used for receiving and processing the cerebrospinal fluid pressure collected by the pressure detection tube 11, and controlling the working state of the drainage device 22 according to the cerebrospinal fluid pressure;
the monitoring unit 14 is electrically connected with the pressure collecting unit 12 and is used for monitoring the cerebrospinal fluid pressure in real time.
In this embodiment, the drainage device 22 may be a pressure-regulated bottle or a peristaltic pump.
The ventricular external drainage subsystem 2 further comprises a liquid accumulation bag 23, and the liquid accumulation bag 23 is communicated with the outlet end of the drainage device 22 and used for preventing cerebrospinal fluid from flowing backwards.
The pressure acquisition unit 12 comprises a cranial pressure sensor 121 and a signal amplifier 122, the signal amplifier 122 is electrically connected with the cranial pressure sensor 121, the signal amplifier 122 is electrically connected with the control unit 13, wherein the signal amplifier 122 is used for acquiring cerebrospinal fluid pressure, and the signal amplifier 122 is used for amplifying signals of the cerebrospinal fluid pressure.
The cranial pressure sensor 121 is arranged in the pressure detection tube 11, so that the collected cerebrospinal pressure is more accurate. The intracranial pressure sensor 121 can be recalibrated under the condition that the normal work of the ventricular external drainage subsystem 2 is not influenced to conduct intracranial drainage by monitoring the liquid pressure in the ventricle of the patient through the external intracranial pressure sensor 121, so that the intracranial pressure sensor 121 is convenient for a user to use, and the accuracy of intracranial pressure monitoring is improved.
The monitoring unit 14 is an intracranial pressure monitor or an intensive care unit monitoring system, and monitors and displays the cerebrospinal fluid pressure of the patient through the intracranial pressure monitor, or monitors and displays the physiological data of the cerebrospinal fluid pressure, the pulse, the blood pressure or the central venous pressure and the like of the patient through the intensive care unit monitoring system.
In a working state, the intracranial pressure sensor 121 is used for collecting the cerebrospinal fluid pressure in the pressure detection tube 11, then the signal amplifier 122 is used for amplifying the cerebrospinal fluid pressure, the amplified cerebrospinal fluid pressure is uploaded to the control unit 13 for analysis and processing, reference pressure is arranged in the control unit 13, the cerebrospinal fluid pressure is compared with the reference pressure, and therefore the working state and the flow guiding rate of the drainage device 22 are adjusted.
Cerebrospinal fluid pressure in the pressure detection tube 11 is collected by the intracranial pressure sensor 121, amplified by the signal amplifier 122, and monitored in real time and output and displayed by an intracranial pressure monitor or an intensive care unit monitoring system.
By matching the intracranial pressure monitoring subsystem 1 with the external ventricular drainage subsystem 2, the intracranial pressure monitoring and the intracranial flow guiding can be simultaneously carried out, and the problems that the existing intracranial flow guiding and the intracranial pressure monitoring are carried out separately, the operation is time-consuming and labor-consuming, and the infection is easily caused are effectively solved.
The pressure detecting tube 11 is an elastic solid silicone rubber tube or a thermoplastic polyurethane tube, and the drainage tube 21 is an elastic solid silicone rubber tube or a thermoplastic polyurethane tube. The solid silicon rubber and the thermoplastic polyurethane have the advantages of stable chemical properties, no absorption, no deformation, no deterioration after being placed in a human body for a long time, good processing performance, easy processing and shaping and the like.
The side wall of one end, far away from the pressure acquisition unit 12, of the pressure detection tube 11 is provided with first positioning points at intervals along the length direction of the pressure detection tube 11, and the first positioning points are used for positioning the pressure detection tube 11;
a second positioning point is arranged on the side wall of one end of the drainage tube 21 far away from the drainage device 22 at intervals along the length direction of the drainage tube 21 and is used for positioning the drainage tube 21;
preferably, the intervals are set at equal intervals.
Although the present application has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the application.

Claims (9)

1. An intracranial pressure monitoring system, which is characterized by comprising an intracranial pressure monitoring subsystem (1) and an extracerebral drainage subsystem (2);
the intracranial pressure monitoring subsystem (1) comprises a pressure detecting tube (11), a pressure acquisition unit (12), a control unit (13) and a monitoring unit (14);
the ventricular external drainage subsystem (2) comprises a drainage tube (21) and a drainage device (22);
one end of the pressure detection tube (11) is placed into the ventricle of the brain of the patient, the pressure acquisition unit (12) is arranged at the other end of the pressure detection tube (11), and the pressure acquisition unit (12) is electrically connected with the control unit (13); one end of the drainage tube (21) is placed in the ventricle of the patient, the other end of the drainage tube is communicated with the inlet end of the drainage device (22), and the drainage device (22) is electrically connected with the control unit (13);
the pressure acquisition unit (12) is used for acquiring cerebrospinal fluid pressure in the pressure detection tube (11) and transmitting the cerebrospinal fluid pressure to the control unit (13);
the control unit (13) is used for receiving and processing the cerebrospinal fluid pressure collected by the pressure detection tube (11), and controlling the working state of the drainage device (22) according to the cerebrospinal fluid pressure;
the monitoring unit (14) is electrically connected with the pressure acquisition unit (12) and is used for monitoring the cerebrospinal fluid pressure in real time.
2. Intracranial pressure monitoring system according to claim 1, wherein the pressure probe (11) is an elastic solid silicone rubber tube or a thermoplastic polyurethane tube.
3. Intracranial pressure monitoring system as claimed in claim 1, wherein the drainage tube (21) is an elastic solid silicone rubber tube or a thermoplastic polyurethane tube.
4. The intracranial pressure monitoring system as recited in claim 1, wherein the pressure probe (11) is provided with first positioning points at intervals along the length direction of the pressure probe (11) on the side wall of one end of the pressure probe (11) away from the pressure acquisition unit (12) for positioning the pressure probe (11);
a second positioning point is arranged on the side wall of one end, far away from the drainage device (22), of the drainage tube (21) at intervals along the length direction of the drainage tube (21) and used for positioning the drainage tube (21);
preferably, the intervals are set to be equally spaced.
5. Intracranial pressure monitoring system as claimed in claim 1, wherein the pressure-acquisition unit (12) comprises a cranial pressure sensor (121) for acquiring the cerebrospinal pressure.
6. Intracranial pressure monitoring system as claimed in claim 5, wherein the cranial pressure sensor (121) is arranged within the pressure probe tube (11).
7. Intracranial pressure monitoring system as in claim 5, wherein the pressure acquisition unit (12) further comprises a signal amplifier (122), the signal amplifier (122) being electrically connected to the intracranial pressure sensor (121), the signal amplifier (122) being electrically connected to the control unit (13) for signal amplification of the cerebrospinal fluid pressure.
8. Intracranial pressure monitoring system as claimed in claim 1, wherein the monitoring unit (14) is an intracranial pressure monitor or an intensive care unit monitoring system.
9. Intracranial pressure monitoring system as claimed in claim 1, wherein the extracerebral drainage subsystem (2) further comprises a fluid accumulation bag (23), the fluid accumulation bag (23) communicating with the outlet end of the drainage device (22) for preventing backflow of cerebrospinal fluid.
CN202111024337.2A 2021-09-02 2021-09-02 Intracranial pressure monitoring system Pending CN113749635A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111024337.2A CN113749635A (en) 2021-09-02 2021-09-02 Intracranial pressure monitoring system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111024337.2A CN113749635A (en) 2021-09-02 2021-09-02 Intracranial pressure monitoring system

Publications (1)

Publication Number Publication Date
CN113749635A true CN113749635A (en) 2021-12-07

Family

ID=78792574

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202111024337.2A Pending CN113749635A (en) 2021-09-02 2021-09-02 Intracranial pressure monitoring system

Country Status (1)

Country Link
CN (1) CN113749635A (en)

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