Cerebrospinal fluid drainage device and method

Abstract

The invention discloses a cerebrospinal fluid drainage device and method. The cerebrospinal fluid drainage device comprises a drainage tubeline, a flow velocity sensor, a flow regulator and a drainagecontrol system, wherein the drainage control system comprises a man-machine interaction module and a drainage control module; the man-machine interaction module is used for inputting an expected flowvelocity / flow velocity range and an expected drainage amount, recording and displaying patient personal information, treatment information, a historical cerebrospinal fluid flow velocity and a current cerebrospinal fluid flow velocity, and judging a drainage state according to the current cerebrospinal fluid drainage amount and a real-time fluid flow velocity; and the drainage control module controls the flow regulator according to the current drainage state so as to enable the real-time fluid flow velocity to be equal to the expected flow velocity or fall into the expected flow velocity range or controls the current drainage to be paused / ended. The cerebrospinal fluid drainage device is simple in structure, automatic pressure and velocity regulation of automatic cerebrospinal fluid drainage can be achieved by directly improving a traditional cerebrospinal fluid drainage device, the pressure and velocity control precision is high, the product is reliable, and the use is convenient.

Description

technical field [0001] The present application relates to the field of medical devices, in particular to a cerebrospinal fluid drainage device and a drainage method. Background technique [0002] In clinical practice, external drainage of cerebrospinal fluid is a safe, effective, and minimally invasive method for treating neurosurgical diseases such as cerebrospinal fluid leakage, intracranial infection, and subarachnoid hemorrhage; Hemorrhage, various intractable cerebrospinal fluid otorrhea, rhinorrhea, incision leakage, intracranial infection, intractable subcutaneous effusion, and communicating hydrocephalus all have good curative effects. [0003] External drainage of cerebrospinal fluid refers to placing a drainage tube into the ventricle to continuously draw out cerebrospinal fluid. First, it can reduce intracranial pressure, and second, it can promote the discharge of inflammatory cerebrospinal fluid, so as to clean the cerebrospinal fluid and assist in the treatment...

AI Technical Summary

Problems solved by technology

At the same time, during the drainage process, because the patient is generally in a state of unconsciousness, he will turn over uncontrollably and other activities, which is particularly easy to cause the stretching of the drainage tube, which will cause the position of the drainage tube in the patient's brain to change. Then affect the drainage effect and increase the difficulty of patient care

In the existing cerebrospinal fluid drainage process, in order to balance the intracranial pressure, the medical staff need to constantly adjust the height of the drainage pot to maintain the drainage speed and height of the cerebrospinal fluid or hematoma, which increases the complexity of the medical staff's operation and the number of medical staff.

[0005] Chinese invention patent application CN201710336168.3 discloses a cerebrospinal fluid drainage device, and Chinese invention patent application CN201711287381.6 discloses a mechanical cerebrospinal fluid drainage and pressure regulating device. However, the way of mechanical speed control depends on the accuracy of system design, and the structural design is very complicated

Chinese invention patent application CN201810114034.1 discloses an automatic drainage device for intracranial cerebrospinal fluid, which controls the drainage flow rate of cerebrospinal fluid by measuring intracranial pressure and arterial pressure. It needs to collect more data, and the structure is complex, and the drainage process is likely to bring inconvenience to patients.

Images