Pressure sensor for measuring intracranial pressure and intracranial pressure detection system

Abstract

The invention discloses a pressure sensor for intracranial pressure measurement, and the pressure sensor comprises a packaging body, the top of the packaging body is provided with a cavity, the inner bottom of the cavity is provided with a circuit board, and the top of the circuit board is provided with a chip; the maintenance mechanism comprises a maintenance plate detachably arranged at the top of the packaging body, a limiting block arranged at the bottom of the maintenance plate, a limiting groove formed in the top of the packaging body and allowing the limiting block to be inserted therein, a spring arranged on the inner side face of the limiting groove and a clamping piece arranged at one end of the spring, and the clamping piece can abut against the side surface of the limiting block; the intracranial pressure monitoring system has the advantages that by integrating the high-precision pressure chip, the temperature sensor, the intelligent signal processing system and the fault alarm module, accurate, real-time and automatic calibration monitoring of intracranial pressure is achieved, the fault early warning function is achieved, powerful support is provided for clinical diagnosis and treatment of patients with craniocerebral diseases, and the clinical diagnosis and treatment of the patients with craniocerebral diseases are facilitated. The method has important practical value and popularization significance.

Description

Technical Field

[0001] The present invention belongs to the technical field of intracranial pressure measurement, and in particular relates to a pressure sensor for intracranial pressure measurement and an intracranial pressure detection system. Background Art

[0002] Intracranial pressure is one of the important indicators for evaluating the changes in the condition of patients with craniocerebral diseases. It is of great significance for the diagnosis and treatment of diseases such as cerebral edema, cerebral hemorrhage, and brain trauma. Traditional intracranial pressure monitoring methods have problems such as low accuracy, susceptibility to external interference, and lack of real-time feedback, which make it difficult to meet the needs of clinical precise monitoring. Therefore, it is particularly important to develop a pressure sensor and detection system that can monitor ICP in real time and accurately and has automatic calibration function. Pressure sensors have become the core components of intracranial pressure monitoring because of their ability to directly sense and convert into measurable signals.

[0003] A pressure sensor for measuring intracranial pressure and an intracranial pressure detection system with publication number CN113693580A, the patent discloses that the pressure sensor includes a circuit board, a pressure chip, a pressure conduction layer, a packaging device and a pressure signal conduction line; the pressure chip is installed on the circuit board, the pressure signal conduction line is connected to the circuit board, the pressure chip converts the sensed intracranial pressure into an electrical signal and transmits it through the circuit board and the pressure signal conduction line; the packaging device has a concave cavity, the pressure chip and the circuit board are packaged in the cavity; the pressure conduction layer includes an exposed surface and a pressure chip contact surface, wherein the exposed surface is used to sense intracranial pressure, the pressure chip contact surface is in contact with the pressure chip, and the intracranial pressure sensed by the exposed surface is transmitted to the pressure chip.

[0004] When the pressure sensor is in use, it is not conducive to alarming when a fault occurs, which reduces the safety of use and increases the complexity of maintenance;

[0005] There are problems of insufficient accuracy and susceptibility to interference. Summary of the invention

[0006] The object of the present invention is to provide a pressure sensor for measuring intracranial pressure and an intracranial pressure detection system, which can be automatically calibrated, accurately detected and easy to maintain.

[0007] To achieve the above object, the present invention provides the following technical solution: a pressure sensor for measuring intracranial pressure, comprising

[0008] A package body, wherein a cavity is formed on the top of the package body, a circuit board is installed on the inner bottom of the cavity, and a chip is installed on the top of the circuit board;

[0009] The maintenance mechanism includes a maintenance plate that is detachably mounted on the top of the packaging body, a limiting block that is mounted on the bottom of the maintenance plate, a limiting groove that is opened on the top of the packaging body for the limiting block to be inserted into, a spring that is mounted on the inner side of the limiting groove, and a clip that is mounted on one end of the spring, and the clip can abut against the side surface of the limiting block.

[0010] As a preferred technical solution of the present invention, the limiting block is a rectangular parallelepiped structure, and the clip is a trapezoidal structure.

[0011] As a preferred technical solution of the present invention, a communication opening is opened inside the maintenance plate, and symmetrically distributed support plates are arranged on the inner side of the communication opening.

[0012] As a preferred technical solution of the present invention, it also includes a protective plate installed on the top of the support plate, and a pressure transmission part is arranged on the protective plate, and the bottom of the pressure transmission part is in contact with the circuit board.

[0013] As a preferred technical solution of the present invention, the side surface of the maintenance plate is provided with symmetrically distributed notches, and the notches are in the shape of long strips.

[0014] As a preferred technical solution of the present invention, it also includes a pressure signal transmission line and a temperature signal transmission line connected to the circuit board, and one end of the pressure signal transmission line and the temperature signal transmission line extends to the outside of the packaging body.

[0015] As a preferred technical solution of the present invention, it also includes a limiting plate installed on the side surface of the packaging body, and the limiting plate is provided with a limiting opening for the pressure signal transmission line and the temperature signal transmission line to pass through.

[0016] The present invention also discloses an intracranial pressure detection system, including a pressure sensor, an alarm module, a signal processing system and a signal display system;

[0017] The signal processing system receives the electrical signal from the pressure sensor, filters and amplifies the pressure signal through a built-in algorithm, and converts it into a digital signal for use by the signal display system;

[0018] The alarm module is integrated in the intracranial pressure detection system, and generates an alarm when abnormal fluctuation of intracranial pressure, equipment failure or data transmission interruption is detected.

[0019] Compared with the prior art, the present invention has the following beneficial effects:

[0020] By integrating high-precision pressure chips, temperature sensors, intelligent signal processing systems and fault alarm modules, it achieves accurate, real-time, automatic calibration and monitoring of intracranial pressure, and has a fault warning function, providing strong support for the clinical diagnosis and treatment of patients with craniocerebral diseases, and has important practical value and promotion significance.

[0021] The designed maintenance mechanism makes it easy to remove the maintenance plate, thus improving the maintenance efficiency;

[0022] The cooperation of the limiting plate and the limiting opening increases the support for the pressure signal transmission line and the temperature signal transmission line. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a structural schematic diagram of the present invention;

[0024] Figure 2 For the present invention Figure 1 A schematic diagram of a partial cross-sectional structure;

[0025] Figure 3 It is a schematic diagram of the limiting sheet structure of the present invention;

[0026] Figure 4 For the present invention Figure 2 Schematic diagram of the enlarged structure of the M region;

[0027] In the figure: 1. packaging body; 11. cavity; 12. limiting groove; 120. spring; 1201. clip; 2. pressure signal transmission line; 3. temperature signal transmission line; 4. maintenance plate; 41. notch; 42. connecting port; 43. support plate; 44. limiting block; 5. protective plate; 51. pressure transmission part; 6. circuit board; 7. chip; 8. limiting plate; 81. limiting port. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0029] Example 1

[0030] See also Figure 1-Figure 4 , which is the first embodiment of the present invention, and which provides a pressure sensor for measuring intracranial pressure, comprising

[0031] A package body 1, a cavity 11 is provided on the top of the package body 1, the cavity 11 is provided, a circuit board 6 is installed on the inner bottom of the cavity 11, the circuit board 6 is added, a chip 7 is installed on the top of the circuit board 6, the chip 7 is added, and the chip 7 can sense pressure and convert the sensed pressure signal into an electrical signal;

[0032] The maintenance mechanism includes a maintenance plate 4 which is detachably arranged on the top of the packaging body 1, a limiting block 44 which is arranged on the bottom of the maintenance plate 4, so that the limiting block 44 is added, a limiting groove 12 which is opened on the top of the packaging body 1 for the limiting block 44 to be inserted, so that the limiting groove 12 is opened, a spring 120 which is symmetrically distributed on the inner side of the limiting groove 12, and a clip 1201 which is arranged at one end of the spring 120, so that the clip 1201 is added, and the clip 1201 can abut against the side surface of the limiting block 44. During maintenance, the maintenance plate 4 is pulled up and the maintenance plate 4 is removed, so that the maintenance efficiency is improved. After maintenance, the maintenance plate 4 is picked up and the limiting block 44 is inserted into the limiting groove 12. When the limiting block 44 is inserted, the clip 1201 is squeezed, and the spring 120 is compressed after the clip 1201 is compressed. The spring 120 is reset after being compressed, so that the clip 1201 is clamped on the limiting block 44, so that the maintenance plate 4 is quickly placed.

[0033] In this embodiment, preferably, the limiting block 44 is a rectangular parallelepiped structure, and the clamping piece 1201 is a trapezoidal structure, so that it is more convenient for the two clamping pieces 1201 to clamp the limiting block 44.

[0034] In this embodiment, preferably, a connecting port 42 is opened inside the maintenance plate 4 to realize the opening of the connecting port 42 , and symmetrically distributed support plates 43 are provided on the inner side of the connecting port 42 to realize the addition of the support plates 43 .

[0035] In this embodiment, preferably, a protective plate 5 is also included which is installed on the top of the support plate 43, which helps to increase the support for the protective plate 5 through the support plate 43, and a pressure transmission part 51 is provided on the protective plate 5, and the bottom of the pressure transmission part 51 is in contact with the circuit board 6, so that pressure transmission is ensured through the pressure transmission part 51.

[0036] In this embodiment, preferably, the side surface of the maintenance plate 4 is provided with symmetrically distributed notches 41, so that the maintenance plate 4 can be easily removed by the notches 41, and the notches 41 are in the shape of long strips.

[0037] In this embodiment, preferably, it also includes a pressure signal transmission line 2 and a temperature signal transmission line 3 connected to the circuit board 6 to ensure signal transmission, and one end of the pressure signal transmission line 2 and the temperature signal transmission line 3 extends to the outside of the packaging body 1.

[0038] In the present embodiment, preferably, it also includes a limiting plate 8 installed on the side surface of the packaging body 1 by screws, so as to realize the stable installation of the limiting plate 8, and the interior of the limiting plate 8 is provided with a limiting opening 81 for the pressure signal transmission line 2 and the temperature signal transmission line 3 to pass through, so as to increase the support for the pressure signal transmission line 2 and the temperature signal transmission line 3 through the limiting opening 81.

[0039] Example 2

[0040] See also Figure 1-Figure 4 , which is a second embodiment of the present invention, provides an intracranial pressure detection system, including a pressure sensor, an alarm module, a signal processing system and a signal display system;

[0041] Pressure sensor: Built-in high-precision pressure chip and temperature sensor, which can simultaneously sense and convert intracranial pressure and temperature signals into electrical signals. The pressure chip has high sensitivity and stability to ensure measurement accuracy. The temperature sensor is used to monitor intracranial temperature and provide temperature compensation basis for pressure signals.

[0042] Signal processing system: Receives electrical signals from pressure sensors, filters and amplifies pressure signals through built-in algorithms, and converts them into digital signals for use by the signal display system; at the same time, according to the temperature signal provided by the temperature sensor, the pressure signal is calibrated in real time to eliminate the impact of temperature changes on the measurement results;

[0043] Signal display system: displays the intracranial pressure monitoring results in an intuitive digital or graphical manner, allowing medical staff to quickly understand changes in the patient's condition;

[0044] Alarm module: integrated in the intracranial pressure detection system, when abnormal fluctuations in intracranial pressure, equipment failure or data transmission interruption are detected, the alarm mechanism is automatically triggered to remind medical staff to deal with it in time.

[0045] Although the embodiments of the present invention have been shown and described, as detailed above, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A pressure sensor for measuring intracranial pressure, characterized in that: include A package body (1), wherein a cavity (11) is provided on the top of the package body (1), a circuit board (6) is installed on the inner bottom of the cavity (11), and a chip (7) is installed on the top of the circuit board (6); A maintenance mechanism, the maintenance mechanism comprising a maintenance plate (4) detachably arranged on the top of a packaging body (1), a limiting block (44) arranged on the bottom of the maintenance plate (4), a limiting groove (12) opened on the top of the packaging body (1) for the limiting block (44) to be inserted, a spring (120) arranged on the inner side of the limiting groove (12), and a clip (1201) arranged on one end of the spring (120), wherein the clip (1201) can abut against the side surface of the limiting block (44).

2. A pressure sensor for measuring intracranial pressure according to claim 1, characterized in that: The limiting block (44) is a rectangular parallelepiped structure, and the clip (1201) is a trapezoidal structure.

3. A pressure sensor for measuring intracranial pressure according to claim 1, characterized in that: A communication opening (42) is provided inside the maintenance plate (4), and symmetrically distributed support plates (43) are provided on the inner side surface of the communication opening (42).

4. A pressure sensor for measuring intracranial pressure according to claim 3, characterized in that: It also includes a protective plate (5) mounted on the top of the support plate (43), and a pressure transmission part (51) is provided on the protective plate (5), and the bottom of the pressure transmission part (51) is in contact with the circuit board (6).

5. A pressure sensor for measuring intracranial pressure according to claim 4, characterized in that: The side surface of the maintenance plate (4) is provided with symmetrically distributed notches (41), and the notches (41) are in the shape of long strips.

6. A pressure sensor for measuring intracranial pressure according to claim 1, characterized in that: It also includes a pressure signal transmission line (2) and a temperature signal transmission line (3) connected to the circuit board (6), and one end of the pressure signal transmission line (2) and the temperature signal transmission line (3) extends to the outside of the packaging body (1).

7. A pressure sensor for measuring intracranial pressure according to claim 6, characterized in that: It also includes a limiting plate (8) mounted on the side surface of the packaging body (1), and a limiting opening (81) is provided inside the limiting plate (8) for the pressure signal transmission line (2) and the temperature signal transmission line (3) to pass through.

8. An intracranial pressure detection system, characterized in that: A pressure sensor comprising any one of items 1 to 7, further comprising an alarm module, a signal processing system and a signal display system; The signal processing system receives the electrical signal from the pressure sensor, filters and amplifies the pressure signal through a built-in algorithm, and converts it into a digital signal for use by the signal display system; The alarm module is integrated in the intracranial pressure detection system, and generates an alarm when abnormal fluctuation of intracranial pressure, equipment failure or data transmission interruption is detected.

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