Cerebrospinal fluid drainage device

Abstract

The utility model provides a cerebrospinal fluid drainage device, and relates to the technical field of medical instruments, the cerebrospinal fluid drainage device is provided with a drainage tube, an adjuster and a speed controller, the adjuster is arranged on the drainage tube, the adjuster is used for controlling the flow of fluid in the drainage tube, and the speed controller is used for controlling the adjuster; the speed controller automatically controls the flow velocity of the cerebrospinal fluid in the regulator by controlling the regulator, so that the flow velocity of the cerebrospinal fluid in the drainage tube is accurately controlled, the drainage amount of the cerebrospinal fluid is accurately controlled, and the safety of a patient is ensured; a flow regulator is adopted as the regulator, the flow speed is set by the regulator according to the monitored intracranial pressure, the regulator can automatically eliminate flow deviation caused by pressure fluctuation in the drainage tube under the action of cerebrospinal fluid, the set flow is kept unchanged, and the drainage amount of the cerebrospinal fluid within a period of time is accurately controlled. The extraction amount of the cerebrospinal fluid is equal to the set flow velocity multiplied by the time.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of medical devices, and more particularly to a cerebrospinal fluid drainage device. BACKGROUND

[0002] When the patient's head is injured internally or externally, the injured tissue in the cranium will seep liquid or blood, resulting in increased intracranial pressure, which may cause a series of serious consequences. At this time, surgical craniocerebral or lesion external drainage must be performed to relieve symptoms, reduce intracranial pressure, and treat the disease.

[0003] The drainage device is composed of a drip bottle, a liquid storage bag, a drainage tube, and a flow regulator. The drainage tube is inserted into the intracranial fluid accumulation site, and the fluid is drained through the catheter into the drip bottle, and then discharged into the liquid storage bag. The drainage speed is controlled by the flow regulator.

[0004] The existing drainage equipment and monitor mainly have the following problems: during the drainage process, the doctor or nurse needs to visit the patient's room every 20 minutes or so to close the drainage tube, manually adjust the drainage speed by observing the intracranial pressure, which is time-consuming and labor-intensive, and the doctor or nurse is more likely to be at risk when they are busy. SUMMARY

[0005] The utility model aims at making up for the deficiency of prior art, provides a cerebrospinal fluid drainage device, and the technical scheme adopted by the application is:

[0006] A cerebrospinal fluid drainage device is provided with a drainage tube, a regulator and a speed controller. The regulator is arranged on the drainage tube, and the regulator is used to control the flow of liquid in the drainage tube. The speed controller is used to control the regulator.

[0007] Optionally, the regulator is provided with an adjusting clamp, the adjusting clamp is provided with a first clamping plate and a second clamping plate that can move, and the speed controller is used to adjust the distance between the first clamping plate and the second clamping plate. The drainage tube is arranged between the first clamping plate and the second clamping plate.

[0008] Optionally, the speed controller is provided with a speed control screw, a speed control nut and a motor. The speed control nut is rotatably sleeved on the speed control screw, and the speed control screw is linked with the output shaft of the motor. The first clamping plate is linked with the speed control nut.

[0009] Optionally, a drip bottle, a flow monitor and a display are further provided. The flow monitor is arranged on the side of the drip bottle and is used to monitor the flow in the drip bottle. The display is used to display the flow monitored by the flow monitor. The drip bottle is arranged on the drainage tube.

[0010] Optionally, a three-way valve and an exhaust mechanism are further provided. The exhaust mechanism is provided with an exhaust pipe. The three-way valve is arranged on the drainage tube, and the exhaust pipe is arranged at one interface of the three-way valve.

[0011] Optionally, the exhaust mechanism is provided with a sensor for sensing whether the gas in the exhaust pipe is exhausted and an exhaust valve for controlling the opening and closing of the exhaust pipe.

[0012] Optionally, the exhaust mechanism is further provided with a flow regulator, a communication device and a needle joint, the flow regulator and the communication device are arranged on the exhaust pipe, and the needle joint is arranged at the outer end of the exhaust pipe and communicates with the normal saline.

[0013] Optionally, the drainage tube is further provided with a drainage bottle and a drainage pipeline, the drainage pipeline is arranged below the drainage bottle; the drainage tube communicates with the drainage bottle.

[0014] Optionally, the drainage pipeline is provided with a drip bottle and a liquid stop clamp.

[0015] Optionally, a pressure sensor and a monitor are further provided, the pressure sensor is used for detecting the pressure in the regulator and transmitting the detected pressure to the monitor; the pressure sensor is arranged in the regulator.

[0016] The advantages of the utility model are as follows:

[0017] The speed controller controls the regulator, automatically controls the flow rate of the cerebrospinal fluid in the regulator, and then accurately controls the flow rate of the cerebrospinal fluid in the drainage tube, accurately controls the drainage amount of the cerebrospinal fluid, and guarantees the safety of the patient.

[0018] The regulator adopts a flow regulator, the regulator sets the flow rate according to the monitored intracranial pressure, the regulator can automatically eliminate the flow deviation caused by pressure fluctuation in the drainage tube under the action of the cerebrospinal fluid, keep the set flow rate unchanged, accurately control the drainage amount of the cerebrospinal fluid in a period of time, and the drainage amount of the cerebrospinal fluid is equal to the set flow rate multiplied by time. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiments or prior art description. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0020] Figure 1 It is a schematic view of the cerebrospinal fluid drainage device.

[0021] Figure 2 It is a schematic view of the regulator and the speed controller.

[0022] Explanation of symbols in the drawing:

[0023] 1 is a drainage tube, 11 is a drip bottle, 12 is a drainage pipeline, 121 is a drip tube, 122 is a liquid stop clamp, 123 is a liquid collection bag, and 13 is a butterfly clamp.

[0024] 2 is a regulator, 21 is a first clamping plate, 22 is a second clamping plate, 23 is a flow monitor, 231 is a display;

[0025] 3 is a speed controller, 31 is a speed control screw, 32 is a speed control nut, and 33 is a motor;

[0026] 4 is a three-way valve, 41 is a mounting plate;

[0027] 5 is an exhaust mechanism, 51 is an exhaust pipe, 52 is a sensor, 53 is an exhaust valve, 54 is a communication device, and 55 is a needle joint;

[0028] 6 is a monitor. DETAILED DESCRIPTION

[0029] In order to make the technical problems, technical solutions and beneficial effects of the present application clearer, the present application will be further described in detail below in conjunction with the drawings and examples. It should be understood that the specific examples described herein are only used to explain the present application and do not limit the present application.

[0030] As shown in Figure 1 and Figure 2 , a cerebrospinal fluid drainage device is provided with a drainage tube 1, and a regulator 2 and a speed controller 3, the regulator 2 is arranged on the drainage tube 1, the regulator 2 is used to control the flow of liquid in the drainage tube 1, and the speed controller 3 is used to control the regulator 2.

[0031] The speed controller 3 controls the regulator 2 to automatically control the flow rate of cerebrospinal fluid in the regulator 2, thereby accurately controlling the flow rate of cerebrospinal fluid in the drainage tube 1, precisely controlling the amount of cerebrospinal fluid drawn out, and ensuring the safety of the patient.

[0032] The regulator 2 sets the flow rate according to the monitored intracranial pressure, and the regulator 2 automatically eliminates the flow deviation caused by pressure fluctuation in the drainage tube 1 under the action of cerebrospinal fluid, maintains the set flow rate unchanged, and accurately controls the amount of cerebrospinal fluid drawn out within a period of time, which is equal to the set flow rate multiplied by time.

[0033] The regulator 2 is provided with an adjusting clamp, the adjusting clamp is provided with a movable first clamping plate 21 and a second clamping plate 22, and the speed controller 3 is used to adjust the distance between the first clamping plate 21 and the second clamping plate 22; the drainage tube 1 is arranged between the first clamping plate 21 and the second clamping plate 22.

[0034] The speed controller 3 is provided with a speed control screw 31, a speed control nut 32 and a motor 33, the speed control nut 32 is rotatably sleeved on the speed control screw 31, the speed control screw 31 is linked with the output shaft of the motor 33; the first clamping plate 21 is linked with the speed control nut 32. In this embodiment, the motor 33 is a stepper motor.

[0035] The drip bottle 11, the flow monitor 23 and the display 231 are further provided. The flow monitor 23 is arranged on the side of the drip bottle 11 and is used to monitor the flow in the drip bottle 11. The display 231 is used to display the flow monitored by the flow monitor 23. The drip bottle 11 is arranged on the drainage tube 1.

[0036] The three-way valve 4 and the exhaust mechanism 5 are further provided. The exhaust mechanism 5 is provided with the exhaust pipe 51. The three-way valve 4 is arranged on the drainage tube 1. The exhaust pipe 51 is arranged at one interface of the three-way valve 4. In this embodiment, the mounting plate 41 is arranged behind the three-way valve 4.

[0037] The exhaust mechanism 5 is provided with the sensor 52 and the exhaust valve 53. The sensor 52 is used to sense whether the gas in the exhaust pipe 51 is exhausted. The exhaust valve 53 is used to control the opening and closing of the exhaust pipe 51.

[0038] When the drainage tube 1 is just communicated with the intracranial cerebrospinal fluid, the exhaust valve 53 controls the opening of the exhaust pipe 51. The air in the drainage tube 1 can be exhausted through the exhaust pipe 51. The sensor 52 detects the state in the exhaust pipe 51. When the exhaust pipe 51 is filled with liquid, the gas in the drainage tube 1 communicated with the exhaust pipe 51 is also exhausted. The exhaust valve 53 controls the closing of the exhaust pipe 51.

[0039] The exhaust mechanism 5 is further provided with the flow regulator 53, the communicating device 54 and the needle joint 55. The flow regulator 53 and the communicating device 54 are both arranged on the exhaust pipe 51. The needle joint 55 is arranged at the outer end of the exhaust pipe 51 and is communicated with the physiological saline.

[0040] The monitor 6 is further provided. The sensor 52 is connected with the monitor 6 through the transmission line. The sensor 52 is used to detect the pressure of the cerebrospinal fluid in the drainage tube 1 and transmit the detected pressure to the monitor 6.

[0041] The drainage tube 1 is further provided with the drainage bottle 11 and the drainage pipeline 12. The drainage pipeline 12 is arranged below the drainage bottle 11. The drainage tube 1 is communicated with the drainage bottle 11. In this embodiment, the butterfly clamp 13 is further arranged on the drainage tube 1. The butterfly clamp 13 is used to control the opening and closing of the drainage tube 1.

[0042] The drip tube 121 and the liquid stop clamp 122 are arranged on the drainage pipeline 12. The accumulated liquid in the drainage bottle 11 can flow out through the drainage pipeline 12 and flow into the liquid collecting bag 123. The flow of the accumulated liquid in the drainage pipeline 12 and the flow rate can be observed through the drip tube 121. The liquid stop clamp 122 is used to control whether the drainage pipeline 12 is communicated.

[0043] The above merely describes the preferred embodiments of the present application and is not used to limit the present application. Any modification, equivalent replacement and improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A cerebrospinal fluid drainage device provided with a drainage tube, characterized in that, The device is also provided with an adjuster and a speed controller, the adjuster is arranged on the drainage tube and is used to control the flow of liquid in the drainage tube, and the speed controller is used to control the adjuster.

2. The cerebrospinal fluid drainage set of claim 1, wherein: The adjuster is provided with an adjusting clamp, the adjusting clamp is provided with a first clamping plate and a second clamping plate which can move, and the speed controller is used to adjust the distance between the first clamping plate and the second clamping plate; the drainage tube is arranged between the first clamping plate and the second clamping plate.

3. The cerebrospinal fluid drainage set of claim 2, wherein: The speed controller is provided with a speed control screw rod, a speed control nut and a motor, the speed control nut is rotatably sleeved on the speed control screw rod, the speed control screw rod is linked with the output shaft of the motor; the first clamping plate is linked with the speed control nut.

4. The cerebrospinal fluid drainage set of claim 3, wherein: The device is also provided with a drip bottle, a flow monitor and a display, the flow monitor is arranged on the side of the drip bottle and is used to monitor the flow in the drip bottle, and the display is used to display the flow monitored by the flow monitor; the drip bottle is arranged on the drainage tube.

5. The cerebrospinal fluid drainage set of any one of claims 1 to 4, wherein: The device is also provided with a three-way valve and an exhaust mechanism, the exhaust mechanism is provided with an exhaust pipe; the three-way valve is arranged on the drainage tube, and the exhaust pipe is arranged at one interface of the three-way valve.

6. The cerebrospinal fluid drainage set of claim 5, wherein: The exhaust mechanism is provided with a sensor and an exhaust valve, the sensor is used to sense whether the gas in the exhaust pipe is exhausted, and the exhaust valve is used to control the on-off of the exhaust pipe.

7. The cerebrospinal fluid drainage set of claim 6, wherein: The exhaust mechanism is also provided with a flow adjuster, a communication device and a needle joint, the flow adjuster and the communication device are both arranged on the exhaust pipe, and the needle joint is arranged at the outer end of the exhaust pipe and is in communication with physiological saline.

8. The cerebrospinal fluid drainage set of any of claims 1-4, wherein: The drainage tube is also provided with a drainage bottle and a drainage pipeline, the drainage pipeline is arranged below the drainage bottle; the drainage tube is in communication with the drainage bottle.

9. The cerebrospinal fluid drainage set of claim 8, wherein: The drainage pipeline is provided with a drip bottle and a liquid stopping clamp.

10. The cerebrospinal fluid drainage set of any of claims 1-4, wherein: The device is also provided with a pressure sensor and a monitor, the pressure sensor is used to detect the pressure in the adjuster and transmit the detected pressure to the monitor; the pressure sensor is arranged in the adjuster.

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