Independent integrated multifunctional intracranial pressure measuring device
By designing an independent integrated multifunctional intracranial pressure measurement device including intracranial intracranial intracranial intracranial pressure measurement device, including intracranial intracranial intracranial intracranial intracranial intracranial intracranial intracranial intracranial intracranial intracranial intracranial intracranial intracranial intracranial intracranial intracranial intracranial intracranial intracranial intracranial intracranial intracranial intracranial intracranial intracranial intracranial intracranial intracranial intracranial intracranial intracranial intracranial intracranial intracranial intracranial intracranial intracranial intracranial intracranial intracranial intracranial intracranial intracranial intracranial intracranial intracranial intracranial intracranial intracranial intracranial intracranial intracranial intracranial intracranial intracranial intracranial intracranial intracranial intracranial intracranial intracranial intracranial intracranial intracranial intracranial intracranial intracranial intracranial intracranial intracranial intracranial intracranial intracranial intracranial intracranial intracranial intracranial intracranial intracranial intracranial intracranial intracranial intracranial intracranial intracranial intracranial intracranial intracranial intracranial intracranial intracranial intracranial intracra
Patent Information
- Application Number
- CN202421315785.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-11
- Publication Date
- 2025-04-22
- Estimated Expiration
- 2034-06-11
AI Technical Summary
The existing intracranial pressure monitoring device cannot enter the lateral ventricle, limiting its application in the lateral ventricle external drainage method.
An independent integrated multi-functional intracranial pressure measurement device is designed, including an intracranial intracranial intracranial intracranial pressure segment, a flexible film is used to enclose the intracranial pressure sensor, and is connected to the wireless communication module through a drainage tube to realize wireless data transmission.
The device is suitable for a variety of situations where intracranial puncture is required, especially lateral ventricular puncture and cannulation surgery. Through integrated design and wireless communication, it reduces external components, facilitates patient activity, reduces nursing workload, and reduces the risk of postoperative infection.
Smart Images

Figure CN222777310U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of medical instruments, and in particular relates to an independent integrated multifunctional intracranial pressure measuring device. Background Art
[0002] Intraventricular monitoring is widely used clinically and is considered the "gold standard" for intracranial pressure monitoring. Generally, a catheter containing a pressure sensing probe is placed into the lateral ventricle through external drainage of the lateral ventricle, and the pressure sensing probe and the external display are connected through a wire built into the catheter. This method has the advantages of accurate pressure measurement and drainage of cerebrospinal fluid at any time, and is convenient for intracranial medication and cerebrospinal fluid testing. Existing intracranial pressure monitoring devices, such as the utility model patent application with application number 201811637946.3, disclose an implantable intracranial pressure monitoring device using a flexible base layer, and its sensor module is embedded between the skull and the dura mater to reduce the discomfort caused to the patient; the implantable intracranial pressure monitoring device is completely implanted in the body, reducing the risk of postoperative infection. However, since the device cannot enter the lateral ventricle, it is not suitable for intracranial pressure monitoring by external drainage of the lateral ventricle. Utility Model Content
[0003] In order to solve the demand for instruments in clinical intraventricular monitoring, the utility model proposes an independent integrated multifunctional intracranial pressure measuring device, including an intracranial insertion section, a drainage section and an independent data summary section; the independent data summary section includes two Y-shaped arms, the first arm of which is a tube body connected to the drainage section, and the second arm is a blind tube extending from the first arm, and a battery, a storage module and a wireless communication module are encapsulated in the blind tube; the intracranial insertion section includes an intracranial pressure sensor, and the pressure sensor is electrically connected to the storage module.
[0004] As an improvement, the intracranial insertion section further includes a flexible film that wraps and seals the intracranial pressure sensor.
[0005] As an improvement, the drainage section includes a drainage tube, the tube wall of the drainage tube is integrally formed with the flexible film of the intracranial insertion section, a first wire connecting the pressure sensor and the wireless communication module is provided on the inner side of the tube wall of the drainage tube, and one or more drainage holes are opened on the tube wall of one end of the drainage tube close to the intracranial insertion section to connect the inner cavity of the drainage tube with the skull.
[0006] As an improvement, a second wire electrically connected to the battery and the wireless communication module is provided in the second arm of the independent data aggregation section, and the end of the second wire extends into the tube wall of the first arm; one end of the first arm is provided with a connector detachably connected to the drainage tube.
[0007] As an improvement, the end of the drainage tube away from the intracranial insertion section is provided with a groove on the inner side of the tube wall, and a data interface electrically connected to the first wire is buried in the groove.
[0008] As an improvement, a drainage bag is further included, and a drainage bag interface is provided at one end of the first arm of the independent data aggregation section away from the drainage section.
[0009] As an improvement, it also includes a display that communicates with the wireless communication module; the collected intracranial pressure data is transmitted to the display via the wireless communication module.
[0010] As an improvement, the intracranial pressure sensor is columnar, the intracranial insertion section is tubular and coaxial with the drainage section, and the diameter of the intracranial insertion section is smaller than the diameter of the drainage section.
[0011] The utility model is suitable for various situations requiring intracranial puncture, especially for lateral ventricle puncture and catheterization surgery. The intracranial pressure monitor and drainage tube are integrated into one design. The pressure signal is transmitted wirelessly via Bluetooth, reducing external components, making it convenient for patients to turn over and move, preventing family members or caregivers from accidentally pulling out the monitor or drainage tube during care, and reducing the nursing workload. BRIEF DESCRIPTION OF THE DRAWINGS
[0012] Figure 1 : A structural diagram of an embodiment;
[0013] Figure 2 : A structural diagram of an embodiment;
[0014] Figure 3 : A structural diagram of an embodiment;
[0015] Figure 4 : A structural diagram of an embodiment;
[0016] Figure 5 : Circuit schematics of some embodiments. DETAILED DESCRIPTION
[0017] The following examples further illustrate the content of the utility model, but should not be construed as limiting the utility model. Without departing from the spirit and essence of the utility model, modifications or replacements made to the methods, steps or conditions of the utility model are within the scope of the utility model.
[0018] Some such as Figure 1-4 The embodiment shown comprises at least Figure 1 The structures in the device, from one side inside the patient's skull to the side outside the patient's body, are: intracranial insertion section 1, drainage section 2, and independent data aggregation section 3.
[0019] Some such as Figure 2The independent data aggregation segment 3 comprises two Y-shaped arms, wherein the first arm 31 is a tube body connected to the drainage segment, and the second arm 32 is a blind tube extending from the first arm 31, wherein a battery 321 and a wireless communication module 322 (including a Bluetooth signal transmitter and a miniature button battery) are encapsulated in the blind tube; a second wire 320 electrically connected to the battery and the wireless communication module is also provided in the second arm 32 of the independent data aggregation segment 3, and the end of the second wire extends into the tube wall of the first arm; one end of the first arm is provided with a connector detachably connected to the drainage tube.
[0020] like Figure 2 The independent data collection section of the first arm is provided with a drainage bag interface at one end away from the drainage section, which is detachably connected to the drainage bag 4. Through the drainage bag interface, this embodiment can also be connected to a three-way valve.
[0021] Figure 2 On the basis of the embodiment shown, some more specific independent data aggregation segment drainage bag interfaces, the second wire (signal transmission line) is gathered into a plug-type chip (reserved in a groove shape), 5 mm long, and continues to extend 2 cm without a signal transmission line of the silicone tube segment, as a convenience for the outer end of the clamp to sneak smoothly through the subcutaneous (scalp) segment, marking 1 cm and 2 cm scales.
[0022] The drainage bag based on the above embodiment has a locking cap end, Figure 2 The drainage bag interface is detachable and connected.
[0023] Some embodiments based on the above embodiments have Figure 3 The intracranial insertion segment 1 and the drainage tube 20 are as follows Figure 3 The intracranial insertion segment 1 shown includes Figure 2 The wireless communication module is electrically connected to the intracranial pressure sensor 11, and the flexible film 12 wraps and seals the intracranial pressure sensor. Figure 3 The wall of the drainage tube 20 shown is integrally formed with the flexible film 12 of the intracranial insertion section 2. A first wire 10 connecting the pressure sensor 11 and the wireless communication module is provided on the inner side of the wall of the drainage tube 20. A plurality of drainage holes 21 ( Figure 3 Only 3 are shown).
[0024] In some of the above-mentioned embodiments, the end of the drainage tube away from the intracranial insertion section is provided with a groove 22 on the inner side of the tube wall (cross section as shown in FIG. Figure 4 ), a data interface 23 is buried in the groove, and the data interface is electrically connected to the first wire.
[0025] In some preferred embodiments of the above embodiments, the intracranial insertion section has an outer diameter of 1.5 mm and a length of 5 mm, the silicone drainage tube of the drainage section has an inner diameter of 4-5 mm, an outer diameter of 6-7 mm, and a length of 30 cm, a spirally wound signal transmission line is embedded in the tube wall, and three drainage holes are left within 5 cm of the front end of the silicone drainage tube. The intracranial pressure sensor is columnar.
[0026] Some embodiments further include a display in communication with the wireless communication module; the collected intracranial pressure data is transmitted to the display via the wireless communication module.
[0027] In the above embodiments, the principles involved are as follows Figure 5 Circuit structure.
[0028] Based on the above embodiments, in some more specific embodiments, the pressure sensor is implemented by any one of the following pressure sensors: a bridge probe or an optical fiber probe, a capacitive absolute pressure sensor based on a micro-electromechanical system (MEMS), and a flexible film pressure sensor.
[0029] Although the utility model has been described in detail above by general description and specific implementation methods, it is obvious to those skilled in the art that some modifications or improvements can be made to the utility model based on the utility model. Therefore, these modifications or improvements made without departing from the spirit of the utility model are within the scope of protection claimed by the utility model.
Claims
1. An independent integrated multifunctional intracranial pressure measuring device, characterized in that: It includes an intracranial insertion section, a drainage section and an independent data aggregation section; the independent data aggregation section includes two Y-shaped arms, the first arm of which is a tube body connected to the drainage section, and the second arm is a blind tube extending from the first arm, and a battery, a storage module and a wireless communication module are packaged in the blind tube; the intracranial insertion section includes an intracranial pressure sensor, and the pressure sensor is electrically connected to the storage module.
2. The independent integrated multifunctional intracranial pressure measuring device according to claim 1, characterized in that: The intracranial insertion section also includes a flexible film that wraps and seals the intracranial pressure sensor.
3. The independent integrated multifunctional intracranial pressure measuring device according to claim 2, characterized in that: The drainage section includes a drainage tube, the tube wall of the drainage tube is integrally formed with the flexible film of the intracranial insertion section, a first wire connecting the pressure sensor and the storage module is provided on the inner side of the tube wall of the drainage tube, and one or more drainage holes are opened on the tube wall of one end of the drainage tube close to the intracranial insertion section to connect the inner cavity of the drainage tube with the skull.
4. The independent integrated multifunctional intracranial pressure measuring device according to claim 3, characterized in that: A second wire electrically connected to the battery and the wireless communication module is also provided in the second arm of the independent data aggregation section, and the end of the second wire extends into the tube wall of the first arm; one end of the first arm is provided with a connector detachably connected to the drainage tube.
5. The independent integrated multifunctional intracranial pressure measuring device according to claim 4, characterized in that: The end of the drainage tube away from the intracranial insertion section is provided with a groove on the inner side of the tube wall, and a data interface electrically connected to the first wire is buried in the groove.
6. The independent integrated multifunctional intracranial pressure measuring device according to claim 5, characterized in that: It also includes a drainage bag, and a drainage bag interface is provided at one end of the first arm of the independent data aggregation section away from the drainage section.
7. The independent integrated multifunctional intracranial pressure measuring device according to claim 1, characterized in that: It also includes a display that communicates with the wireless communication module; the collected intracranial pressure data is transmitted to the display via the wireless communication module.
8. The independent integrated multifunctional intracranial pressure measuring device according to claim 1, characterized in that: The intracranial pressure sensor is columnar, the intracranial insertion section is tubular and coaxial with the drainage section, and the diameter of the intracranial insertion section is smaller than the diameter of the drainage section.
Citation Information
Patent Citations
Implanted intracranial pressure monitoring device, monitoring system and using method of monitoring system
CN109717862A