CN114522286A - Ventricular abdominal wall external drainage device and using method thereof - Google Patents

Abstract

The application discloses a ventricular abdominal wall external drainage device and a using method thereof, wherein the ventricular abdominal wall external drainage device comprises a ventricular drainage tube, the ventricular drainage tube is connected with a ventricular end catheter, the ventricular end catheter is connected with a subcutaneous catheter through a shunt valve, and the subcutaneous catheter is connected with a drainage bag; the ventricular end catheter is also connected with a repeatable puncture liquid storage bag. The drainage tube is fixed subcutaneously instead, the period of tube implantation can be greatly prolonged from the current 1 week, and the patient can be in any body position, so that the infection rate is greatly reduced.

Description

Ventricular ventricle external drainage device and method of using the same

technical field

The invention belongs to the field of medical equipment, and particularly relates to a ventricle and abdominal wall external drainage device and a use method thereof.

Background technique

Ventricular drainage is one of the commonly used surgical methods in neurosurgery. It achieves the purpose of draining the contents of the ventricle by puncturing the patient's ventricle. Its functions usually include: 1. Reducing intracranial pressure 2. Treatment of hemorrhagic brain diseases 3. Diagnostic Treatment and preoperative preparation. At the same time, effective antibiotics can also be injected into the ventricle through the ventricle drainage tube. The current ventriculo-abdominal drainage device is usually fixed beside the patient's bed, restricting the range of motion of the patient's head, and can only be kept in a supine or lateral position. In addition, the device needs to be replaced for a long period of time when the device is implanted. And it is difficult to control the infection.

Ventricular-peritoneal shunt is an important method in the treatment of hydrocephalus. Its principle is to drain the excess cerebrospinal fluid in the ventricle to the abdominal cavity through an artificial silicone tube, and absorb it by using the strong absorptive capacity of the peritoneum. The ventriculo-peritoneal shunt is completed by means of a shunt tube device. The feature of this shunt tube is that it is all fixed under the skin, does not affect the activity, can be used for a long time, and has a low risk of infection. Therefore, the present application designs a new type of ventricle-peritoneal external drainage by combining the advantages of the ventriculo-peritoneal shunt.

SUMMARY OF THE INVENTION

In order to solve the shortcomings of the existing ventriculo-abdominal wall drainage device that cannot move freely, the tube implantation time is short and is susceptible to infection, the present application provides a ventriculo-abdominal wall drainage method.

To achieve the above object, the present invention adopts the following technical solutions:

A ventricle ventricle external drainage device, the ventricle ventricle external drainage device comprises a ventricle drainage tube, the ventricle drainage tube is connected with a ventricle end catheter, the ventricle end catheter is connected with a subcutaneous catheter through a shunt valve, and the subcutaneous catheter is connected with a Drainage bag; the ventricle end catheter is also connected with a repeatable puncture fluid storage bag.

Optionally, the external drainage device of the ventricle and abdominal wall further includes a three-way valve, and the three ports of the three-way valve are respectively connected with a ventricle end catheter, a repeatable puncture storage bag, and a shunt valve; adjusting the three-way valve can be adjusted. Connect the ventricular end catheter to the inlet of the pressure valve, or connect the ventricular end catheter to the repuncture reservoir.

Optionally, the re-piercing liquid storage bag includes a bottom plane, and the bottom plane is provided with a dome-shaped top surface made of silica gel.

Optionally, the bottom plane is made of polypropylene.

Optionally, the three-way valve is a magnetically controlled three-way valve, and the diverting valve is a magnetically regulated diverting valve.

Optionally, the three-way valve includes a casing, a cavity is arranged in the casing, and a valve core is arranged in the cavity; a magnet is arranged on the valve core, and the magnet is attracted by magnetic force to make the valve core rotate in the cavity ; Adjust the ventricular end catheter to communicate with the inlet of the pressure valve by turning the valve core or connect the ventricular end catheter to the repeatable puncture reservoir;

The valve core includes a valve plate, the center of the valve plate is provided with a rotating shaft hole, the top of the casing is provided with a positioning shaft matched with the rotating shaft hole, and the valve core can move up and down along the positioning shaft; a spring is arranged on the positioning shaft, and the spring The bottom of the valve plate is pressed against the bottom of the casing; there are two magnets, which are respectively located at both ends of the valve plate; the upward magnetic poles of the magnets at both ends are arranged oppositely.

Optionally, a limit slot is provided at the bottom of the housing, and the valve plate can be lifted and moved out of the limit slot by attracting the magnet by magnetic force;

the limit slot includes a first limit slot and a second limit slot;

The first limiting groove clamps the valve plate to make the catheter at the ventricular end communicate with the inlet of the pressure valve; the second limiting groove clamps the valve plate so that the catheter at the ventricular end communicates with the repeatable puncture fluid storage bag.

The present application also proposes a method for using the above device, comprising the following steps:

Step 1) Drill a hole in the skull of the recipient, and insert a ventricle drainage tube through the hole;

Step 2) Fix the three-way valve, the repeatable puncture storage bag and the shunt valve on the patient's head;

Step 3) Open the subcutaneous tunnel along the patient's back of the ear, neck, chest and upper abdomen; open the subcutaneous tunnel, pass the subcutaneous catheter through the subcutaneous tunnel, and pass the other end of the subcutaneous catheter through the abdominal wall;

Step 4) Connect the end of the subcutaneous catheter to the drainage bag;

Step 5) Adjust the three-way valve to make the catheter at the ventricular end communicate with the pressure valve, and adjust the pressure of the shunt valve.

Optionally, in the step 2), the three-way valve, the repeatable puncture reservoir and the shunt valve are fixed at the temporal lobe slightly below the bone hole, the three-way pressure regulating valve is connected to the ventricle drainage catheter, and one end is connected to the repeatable puncture. Reservoir and diverter valve.

Optionally, the three-way valve, the re-puncture storage bag and the shunt valve are all fixed subcutaneously.

Optionally, the method of opening the subcutaneous tunnel in the step 3) is as follows: one incision is made under the clavicle, under the mastoid and under the xiphoid process of the upper right abdomen, and a blunt metal guide is used between the incisions to pass through the deep subcutaneous layer in sections. It was separated and a subcutaneous tunnel was made; the subcutaneous catheter was passed through the incision under the xiphoid process of the right upper abdomen.

Optionally, in the step 4), the drainage bag is hung beside the bed or carried by the subject.

Optionally, the three-way valve and the magnetic adjustment shunt valve are adjusted by a pressure regulating pen, two magnets are fixed at the pen head of the pressure regulating pen, and the downward magnetic poles of the two magnets are arranged oppositely; the pressure regulating pen The magnet on the pen can attract the magnet parts inside the three-way valve and the diverter valve, and the adjustment of the three-way valve and the diverter valve can be realized by rotating the pressure regulating pen.

Optionally, the method for external drainage of the ventricle and abdominal wall further includes a sampling step: adjusting the three-way valve to make the catheter at the end of the ventricle communicate with the repeatable puncture storage bag, so that the liquid enters the repeatable puncture storage bag; Reservoir, withdraw the syringe after aspirating the liquid.

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

The drainage tube is changed to subcutaneous fixation, the implantation cycle can be greatly extended from the current one week, and the patient can be in any position, which greatly reduces the infection rate. The repeatable puncture reservoir can withstand multiple punctures of the syringe, which is convenient for operations such as sampling and drug injection. The design of the three-way valve utilizes the pressure regulating pen of the existing magnetic pressure regulating valve, which is convenient for matching.

Description of drawings

Figure 1 is a schematic diagram of the external ventricle ventricle drainage.

Figure 2 Schematic diagram of the ventriculo-abdominal drainage device.

Figure 3 is a cross-sectional view of the three-way valve.

Figure 4 is a schematic diagram of the switch state of the three-way valve.

FIG. 5 is a schematic diagram of the structure of the pressure regulating pen.

Figure 6 is a schematic diagram of three-way valve adjustment.

Fig. 7 is a structural diagram of a re-puncture reservoir.

Detailed ways

The present application will be described in detail below with reference to the examples, but the present application is not limited to these examples.

As shown in Figures 1 and 2, a ventricle ventricle external drainage device includes a three-way valve 2, and the three ports of the three-way valve 2 are respectively connected with a ventricle end catheter 1, a repeatable puncture fluid storage bag 3. Diverter valve 4. The ventricular end catheter 1 is connected to a ventricular drainage tube 11 in the ventricle. The outlet of the shunt valve 5 is connected with a subcutaneous catheter 5, which is fixed under the skin of the human body during use, and is connected with a drainage bag 6, and the intraventricular fluid finally enters the drainage bag 6 along the subcutaneous catheter 5.

The shunt valve is the shunt valve of the key component of the ventricle-peritoneal shunt tube. The shunt valve can divert excess fluid while maintaining normal pressure in the ventricle. The diverter valve is divided into two types, one is a constant-pressure diverter valve with a fixed diverter pressure, and the other is an adjustable diverter valve whose diverter pressure can be adjusted.

The function of the three-way valve 2 is to change the communication state of the pipeline. Adjusting the three-way valve can make the ventricle end catheter 1 communicate with the inlet of the shunt valve 4, or connect the ventricle end catheter 1 with the repeatable puncture reservoir 3.

In this device, the ventricular end catheter 1, the three-way valve 2, the repeatable puncture storage bag 3, and the shunt valve 4 are implanted under the skin of the human body, the drainage bag 6 is placed outside the human body, and the subcutaneous catheter 5 is pierced from the abdomen subcutaneously to the drainage bag. 6 connections. Using this form of subcutaneous fixation, the implantation period can be greatly extended, and the patient can be in any position, which greatly reduces the infection rate.

The ventriculo-abdominal external drainage method using the above-mentioned ventriculo-abdominal external drainage device comprises the following steps:

Step 1) Drill a hole in the skull of the recipient, and insert a ventricle drainage tube through the hole;

Step 2) Fix the three-way valve, repeatable puncture storage bag and shunt valve under the skin of the recipient's head; generally, they are fixed at the temporal lobe slightly below the bone hole, and one end of the three-way pressure regulating valve is connected to the ventricle drainage catheter; One end is connected to the re-puncture storage bag; the other end is connected to the drainage tube leading to the abdominal wall through the shunt valve;

Step 3) Open the subcutaneous tunnel along the patient's back of the ear, neck, chest and upper abdomen; open the subcutaneous tunnel, pass the subcutaneous catheter through the subcutaneous tunnel, and pass the other end of the subcutaneous catheter through the abdominal wall. Due to the long length of the tunnel, it can be opened in several sections. For example, one incision is made under the clavicle, under the mastoid, and under the xiphoid process of the right upper abdomen. A blunt metal guide is used between the incisions, and the sections are separated by deep subcutaneous layers. A subcutaneous tunnel was made; a subcutaneous catheter was passed through an incision under the xiphoid process of the right upper abdomen.

Step 4) Connect the end of the subcutaneous catheter to the drainage bag; the drainage bag can be hung by the bed or carried by the patient.

Step 5) Adjust the three-way valve to make the catheter at the ventricular end communicate with the shunt valve, and adjust the pressure of the shunt valve.

In this embodiment, a magnetic adjustable diverter valve is used. The characteristic of this kind of valve is that a special pressure regulating pen can be used to rotate the pressure regulating part inside the diverter valve to realize pressure regulation. As shown in FIG. 5 , two magnets 251 are provided at the bottom end of the pressure regulating pen 25 , and the downward magnetic poles of the two magnets are the N pole and the S pole, respectively. When in use, the two magnets attract the magnets on the pressure regulating part inside the shunt valve through the skin respectively, start the pressure regulating part, and then drive the pressure regulating part to move by rotating the pressure regulating pen to realize the pressure regulation.

The three-way valve 2 used in this application uses the above-mentioned pressure regulating pen to adjust the communication state. The three-way valve is shown in FIG. 3 , the three-way valve includes a housing 21 , a cavity is arranged in the housing 21 , and a valve core 23 is arranged in the cavity; the cavity is circular, and the valve core 23 is provided with a valve core 23 . A cover plate 231 corresponding to the shape of the cavity.

The valve core 23 includes a valve plate 232, the center of the valve plate 232 is provided with a rotating shaft hole, the top of the casing is provided with a positioning shaft 22 matched with the rotating shaft hole, and the valve core 23 can move up and down along the positioning shaft 22; There are springs that hold the bottom of the valve plate against the bottom of the housing 20 . The bottom of the housing 21 is provided with a limiting slot 24 , as shown in FIG. 4 , the limiting slot includes a first limiting slot 241 and a second limiting slot 242 . The first limiting groove 241 can clamp the valve plate to connect the ventricular end catheter with the inlet of the shunt valve; the second limiting groove 242 can clamp the valve plate so that the ventricular end catheter communicates with the repeatable puncture reservoir. There is a magnet 233 at both ends of the valve plate 232, and the two magnets have opposite magnetic poles to cooperate with the magnets on the pressure regulating pen.

The method of adjusting the three-way valve is as follows: as shown in Fig. 6, the valve plate 232 can be lifted by attracting the magnet 233 by the magnetic force of the pressure regulating pen 25, and the valve plate 232 can be moved out of the limit groove 24, and the valve core can be rotated in the cavity by attracting the magnet by the magnetic force ; Adjust the ventricle end catheter to communicate with the inlet of the shunt valve by turning the valve core or make the ventricle end catheter communicate with the repeatable puncture reservoir. After the adjustment is in place, remove the pressure regulating pen.

As shown in FIG. 7 , the re-pierceable fluid storage bag includes a bottom plane made of polypropylene, and a domed top surface made of silicone is provided on the bottom plane. The liquid can be drawn repeatedly with the syringe, and the medicine can also be injected into it.

The sampling steps of using the repeatable puncture storage bag are: adjusting the three-way valve to make the catheter at the ventricular end communicate with the repeatable puncture storage bag, so that the liquid enters the repeatable puncture storage bag; use a syringe to pierce the repeatable puncture storage bag. , withdraw the syringe after drawing the liquid.

The above are only a few embodiments of the present application, and are not intended to limit the present application in any form. Although the present application is disclosed as above with preferred embodiments, it is not intended to limit the present application. Without departing from the scope of the technical solution of the present application, any changes or modifications made by using the technical content disclosed above are equivalent to equivalent implementation cases and fall within the scope of the technical solution.

Claims (10)

1. a ventricle ventricle external drainage device, is characterized in that, described ventricle ventricle external drainage device comprises ventricle drainage tube, and described ventricle drainage tube is connected with ventricle end conduit, and described ventricle end conduit is connected with subcutaneous conduit by shunt valve, The subcutaneous catheter is connected with a drainage bag; the ventricular end catheter is also connected with a re-puncture storage bag. 2. ventriculo-abdominal wall external drainage device according to claim 1, is characterized in that, described ventriculo-abdominal wall external drainage device also comprises three-way valve, and three interfaces of described three-way valve are respectively connected with ventricle end catheter, repeatable. A puncture storage bag and a shunt valve; adjusting the three-way valve can make the catheter at the ventricular end communicate with the inlet of the pressure valve, or connect the catheter at the ventricular end with the repeatable puncture storage bag. 3. The ventriculo-abdominal external drainage device according to claim 1, wherein the re-puncture liquid storage bag comprises a bottom plane, and the bottom plane is provided with a dome-shaped top surface made of silica gel; Preferably, the bottom plane is made of polypropylene. 4. The ventricle ventricle external drainage device according to claim 1, wherein the three-way valve is a magnetic control three-way valve, and the diverter valve is a magnetic regulation diverter valve; Preferably, the three-way valve includes a housing, a cavity is arranged in the housing, and a valve core is arranged in the cavity; a magnet is arranged on the valve core, and the valve core can be rotated in the cavity by attracting the magnet by magnetic force; Adjust the ventricular end catheter to communicate with the pressure valve inlet by turning the valve core or connect the ventricular end catheter to the re-puncture reservoir; The valve core includes a valve plate, the center of the valve plate is provided with a rotating shaft hole, the top of the casing is provided with a positioning shaft matched with the rotating shaft hole, and the valve core can move up and down along the positioning shaft; a spring is arranged on the positioning shaft, and the spring The bottom of the valve plate is pressed against the bottom of the casing; there are two magnets, which are respectively located at both ends of the valve plate; the upward magnetic poles of the magnets at both ends are oppositely arranged; Preferably, the bottom of the housing is provided with a limit slot, and the valve plate can be lifted and moved out of the limit slot by attracting the magnet by magnetic force; the limit slot includes a first limit slot and a second limit slot; The first limiting groove clamps the valve plate to make the catheter at the ventricular end communicate with the inlet of the pressure valve; the second limiting groove clamps the valve plate so that the catheter at the ventricular end communicates with the repeatable puncture fluid storage bag. 5. according to the using method of the ventricle ventricle external drainage device described in any one of claim 1～4, it is characterised in that comprising the steps: Step 1) Drill a hole in the skull of the recipient, and insert a ventricle drainage tube through the hole; Step 2) Fix the three-way valve, the repeatable puncture storage bag and the shunt valve on the patient's head; Step 3) Open the subcutaneous tunnel along the patient's back of the ear, neck, chest and upper abdomen; open the subcutaneous tunnel, pass the subcutaneous catheter through the subcutaneous tunnel, and pass the other end of the subcutaneous catheter through the abdominal wall; Step 4) Connect the end of the subcutaneous catheter to the drainage bag; Step 5) Adjust the three-way valve to make the catheter at the ventricular end communicate with the pressure valve, and adjust the pressure of the shunt valve. 6. The method according to claim 5, characterized in that, in the step 2), the three-way valve, the repeatable puncture storage bag and the shunt valve are fixed at the temporal lobe slightly below the bone hole, and the three-way valve is adjusted. The pressure valve is connected to the ventricle drainage catheter, the re-puncture reservoir and the shunt valve; Preferably, the three-way valve, the re-puncture reservoir and the shunt valve are all fixed subcutaneously. 7. The method of use according to claim 5, wherein the method for opening the subcutaneous tunnel in the step 3) is: one incision is made below the clavicle, below the mastoid process and under the xiphoid process of the upper right abdomen, and between the incisions. Using a blunt-tipped metal guide, the subcutaneous tunnel was made by segmenting through the deep subcutaneous layer; the subcutaneous catheter was passed through the incision under the xiphoid process of the right upper abdomen. 8 . The method according to claim 5 , wherein in the step 4), the drainage bag is hung by the bedside or carried by the subject. 9 . 9. The method of use according to claim 5, wherein the three-way valve and the magnetic force regulating shunt valve are adjusted by a pressure regulating pen, and two magnets are fixed at the tip of the pressure regulating pen, and the two magnets are The downward magnetic poles are oppositely arranged; the magnets on the pressure regulating pen can attract the magnet components inside the three-way valve and the diverting valve, and the adjustment of the three-way valve and the diverting valve can be realized by rotating the pressure regulating pen. 10 . The method according to claim 5 , wherein the method for external drainage of the ventricle and abdominal wall further comprises a sampling step, and the sampling step comprises: adjusting a three-way valve to make the ventricle end catheter communicate with the repeatable puncture reservoir. 11 . , so that the liquid enters the repeatable puncture storage bag; use a syringe to pierce the repeatable puncture storage bag, and pull out the syringe after sucking the liquid.

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