External ventricular drainage and hematoma clearance device

Abstract

The invention relates to an external ventricular drainage and hematoma clearance device. The external ventricular drainage and hematoma clearance device includes a drainage tube, and a first drainageneedle and a second drainage needle which are connected to a head end and a tail end of the drainage tube respectively; a surface of an inner wall of the drainage tube is coated with an anticoagulantcoating; and a filtering device, a pressure application device and a three-way tube are successively arranged on a tube line of the drainage tube. The external ventricular drainage and hematoma clearance device can adopt different drainage manners according to the ventricular hematoma degree: for ventricular cast severe cerebral hemorrhage, the two drainage needles adopt transorbital puncture, puncture a lateral ventricle posterior horn, and adopt angle puncture and enter a ventricle, and a hematoma-lateral ventricle frontal horn drainage-purging in vitro-lateral ventricle posterior horn backflow circulation loop is established; and for mild ventricular hemorrhage, the first drainage needle and the second drainage needle are combined into a puncture needle, and a local circulation is established. The external ventricular drainage and hematoma clearance device can clear up ventricular blood clots, in particular ventricular cast, can effectively relieve secondary lesion such as hydrocephalus, encephaledema, and vasospasm due to ventricular hemorrhage and ventricular cast.

Description

technical field [0001] The invention relates to the technical field of medical devices, in particular to an external ventricular drainage and hematoma removal device. Background technique [0002] External ventricular drainage is a technique in which the front end of a drainage tube with several side holes is placed in the ventricle and the end is connected with a sterile drainage bottle to drain the cerebrospinal fluid out of the brain after perforation of the skull. External ventricular drainage is an important way to rescue severe diseases such as intracranial hypertension, traumatic brain injury, cerebral edema, cerebral hemorrhage, obstructive hydrocephalus, etc. Edema, avoid or reduce the onset of cerebral vasospasm, reduce the damage of brain function, and improve the clinical symptoms of patients. Ventricular hemorrhage has an acute onset and a dangerous condition. If it is not treated in time, it can lead to severe disability or even death. If the lateral ventricle...

AI Technical Summary

Problems solved by technology

The above-mentioned patented technologies can all realize the function of external ventricular drainage, but have the following disadvantages: (1) When performing drainage, it can only simply reduce intracranial pressure and drain part of the cerebrospinal fluid, and cannot truly remove hematoma, pathogenic factors, etc. (2) During the drainage process, the height of the drainage tube must be adjusted according to the level of intracranial pressure to control the drainage volume and drainage speed. Excessive drainage speed or excessive drainage volume may cause intracranial pressure to drop too quickly and cause hypocranial If the drainage speed is too slow or the drainage volume is too small, the therapeutic purpose may not be achieved; (3) After the drainage tube is placed, only a small amount of drainage can only be performed in one direction, and it is impossible to inject plasmin into the ventricle. Drugs to dissolve hematoma, or injection of thrombin to control rebleeding

In view of the shortcomings of the existing technology, it is necessary to develop a device for external ventricular drainage and hematoma removal to achieve continuous, circulating, large-scale drainage and hematoma removal of cerebrospinal fluid. However, there is no report on this kind of device so far.

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