CN213466467U

CN213466467U - Ventricular and lumbar cistern drainage regulator

Info

Publication number: CN213466467U
Application number: CN202020896036.3U
Authority: CN
Inventors: 李辉; 李春梅; 宁晓; 邓承能; 刘东妮; 岑素惠
Original assignee: Yulin Red Cross Hospital
Current assignee: Yulin Red Cross Hospital
Priority date: 2020-05-25
Filing date: 2020-05-25
Publication date: 2021-06-18
Anticipated expiration: 2030-05-25

Abstract

The utility model discloses a ventricular and lumbar cisterna magna drainage regulator, which comprises a shell, a flowmeter, a controller and an extrusion mechanism; the shell is provided with a clamping groove clamped in the drainage tube, the clamping groove is arranged in the middle of the shell, two ends of the clamping groove penetrate through the side wall of the shell, a notch of the clamping groove is arranged on the side wall of one side of the shell, the shell is provided with two interfaces for introducing or discharging drainage liquid, and the two interfaces are connected through a pipeline; the extrusion mechanism is arranged at the upper part of the shell and comprises a motor, a first connecting rod, a second connecting rod, a third connecting rod and an extrusion block, one end of the first connecting rod is fixed on a rotating shaft of the motor, the other end of the first connecting rod is hinged with one end of the second connecting rod, the other end of the second connecting rod is hinged with one end of the third connecting rod, the other end of the third connecting rod is fixedly connected with the extrusion block, a through hole penetrating into the clamping groove from the upper part is formed in the shell, and the extrusion block can vertically slide and penetrate through the through hole; the flowmeter is connected to the pipeline between the interfaces, and the controller is in communication connection with the flowmeter and the motor. By adopting the structure, the problem that the flow speed of the drainage is overlarge due to the cough or the turning over of the patient and the like is not needed to be worried, and the flow speed of the drainage can be accurately controlled.

Description

Ventricular and lumbar cistern drainage regulator

Technical Field

The utility model belongs to the technical field of the medical treatment, concretely relates to ventriculus cerebri and lumbar cisterna magna drainage regulator.

Background

Normal cerebrospinal fluid has a certain pressure, cellular composition and chemical composition, which can cause changes in cerebrospinal fluid composition and pressure when the central nervous system is diseased. Partial cerebrospinal fluid can be drained through ventricular drainage or lumbar cisterna drainage, so that the intracranial pressure is reduced. The flow rate is required to be slow and uniform in the drainage process, but the flow rate of drainage is often too large due to cough or turning over of a patient and the like, and the flow rate is not convenient to control by the conventional drainage device.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a ventricles of brain and lumbar cisterna drainage regulator is provided, when carrying out ventricles of brain drainage or lumbar cisterna drainage, the velocity of flow of the drainage of being convenient for control.

In order to solve the problem, the utility model adopts the following technical scheme:

a ventricular and lumbar cistern drainage regulator comprises a shell, a flowmeter, a controller and an extrusion mechanism; the shell is provided with a clamping groove clamped into the drainage tube, the clamping groove is arranged in the middle of the shell, two ends of the clamping groove penetrate through the side wall of the shell, a notch of the clamping groove is arranged on the side wall of one side of the shell, the shell is provided with two interfaces, and the two interfaces are connected through a pipeline; the extrusion mechanism is arranged at the upper part of the shell and comprises a motor, a first connecting rod, a second connecting rod, a third connecting rod and an extrusion block, one end of the first connecting rod is fixed on a rotating shaft of the motor, the other end of the first connecting rod is hinged with one end of the second connecting rod, the other end of the second connecting rod is hinged with one end of the third connecting rod, the other end of the third connecting rod is fixedly connected with the extrusion block, a through hole penetrating into the clamping groove from the upper part is formed in the shell, and the extrusion block can vertically slide and penetrate through the through hole; the flowmeter is connected to the pipeline between the interfaces, and the controller is in communication connection with the flowmeter and the motor.

As a further improvement of the above technical solution:

the shell is provided with a positioning frame for positioning the third connecting rod in the vertical direction, the positioning frame is provided with a guide hole passing through the third connecting rod, and the guide hole is arranged above the through hole. So that the third link can move in the vertical direction, thereby stably moving the pressing blocks up and down.

The shell is provided with a fixed seat for fixing the motor, and the motor is fixed on the shell.

The upper part of the shell is provided with a protective cover which can protect the extrusion mechanism.

The extrusion block is in a long strip shape, the extrusion block is arranged in parallel with the clamping groove, the contact surface of the extrusion block and the drainage tube is increased, the section of the drainage tube is convenient to change, and therefore the flow passing through the drainage tube is convenient to control.

The cross-section of draw-in groove is by notch widening gradually to inside, and the cross-section of draw-in groove is inside to be circular shape, can extrude in the draw-in groove is gone into to the rear card after the drainage tube warp, and the drainage tube is difficult for deviating from.

The utility model has the advantages that:

the utility model discloses a ventricles of brain and big pond drainage regulator passes through flowmeter monitoring flow signal, sends the signal to the motor by control again to control extrusion piece extrusion position changes the drainage flow, has realized closed-loop control. The structure can accurately control the flow of drainage in unit time, namely, the flow velocity of the drainage can be accurately controlled. By adopting the structure, the problem that the flow speed of drainage is overlarge due to coughing or turning over of a patient and the like is not worried about.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a front view of the first state of the present invention.

Fig. 3 is a front view of the second state of the present invention.

Reference numbers in the figures: 1. a housing; 2. a card slot; 3. a through hole; 4. an extrusion mechanism; 41. a motor; 42. a first link; 43. a second link; 44. a third link; 45. extruding the block; 5. a flow meter; 6. a controller; 7. an interface; 8. a drainage tube; 9. a positioning frame; 10. a guide hole; 11. a protective cover; 12. a fixed seat.

Detailed Description

As shown in fig. 1 to 3, the ventricular and lumbar cistern drainage regulator of the present embodiment includes a housing 1, a flow meter 5, a controller 6, and an extrusion mechanism 4; be equipped with the draw-in groove 2 that the card goes into drainage tube 8 on casing 1, this draw-in groove 2 establishes at casing 1 middle part, and 1 lateral wall of casing is link up at its both ends, and the notch of draw-in groove 2 is established on the lateral wall of 1 one side of casing, and the cross-section of draw-in groove 2 is by the notch widen to inside gradually, and the cross-section of draw-in groove 2 is inside to be circular shape, is equipped with two interfaces 7 on the casing 1, pipe connection between.

The squeezing mechanism 4 is arranged at the upper part of the shell 1, the squeezing mechanism 4 comprises a motor 41, a first connecting rod 42, a second connecting rod 43, a third connecting rod 44 and a squeezing block 45, one end of the first connecting rod 42 is fixed on a rotating shaft of the motor 41, the other end of the first connecting rod 42 is hinged with one end of the second connecting rod 43, the other end of the second connecting rod 43 is hinged with one end of the third connecting rod 44, the other end of the third connecting rod 44 is fixedly connected with the squeezing block 45, the shell 1 is provided with a through hole 3 which penetrates through the clamping groove 2 from the upper part, the squeezing block 45 can vertically slide to penetrate through the through hole 3, the squeezing block 45 is in a long strip shape, and the squeezing block 45 is parallel; flowmeter 5 connects on the pipeline between interface 7, and controller 6 communication connection flowmeter 5 and motor 41 are equipped with the fixing base 12 of fixed motor 41 on the casing 1, and generally, the motor adopts step motor, and the motor has self control circuit, and controller communication connection is to the control circuit of motor. The shell 1 is provided with a positioning frame 9 for positioning the third connecting rod 44 in the vertical direction, the positioning frame 9 is provided with a guide hole 10 passing through the third connecting rod 44, the guide hole 10 is arranged above the through hole 3, the upper part of the shell 1 is provided with a protective cover 11, and the protective cover 11 covers the extrusion mechanism 4.

When the drainage device is used, the ventricular and lumbar cistern drainage regulator is connected to a pipeline of a drainage tube, the drainage tube is connected with the two connectors 7, drainage liquid is introduced from one connector 7, the other connector 7 is introduced, and the drainage tube introduced into one side is clamped into the clamping groove 2, so that the flow rate of drainage can be automatically adjusted. During the regulator work, by the flow of flowmeter 5 monitoring drainage, with signal transmission to controller 6 in, controller 6 processing signal to will need the command transmission of regulation flow size to motor 41, motor 41 carries out and rotates corresponding angle, thereby drives first connecting rod 42, second connecting rod 43 and rotates certain angle, makes third connecting rod 44 move certain distance from top to bottom, thereby can adjust extrusion block 45 extrusion position and change the drainage tube cross-section, finally reaches the purpose of control drainage velocity of flow.

Claims

1. A ventricular and lumbar cistern drainage regulator is characterized in that: comprises a shell (1), a flowmeter (5), a controller (6) and an extrusion mechanism (4); a clamping groove (2) clamped into the drainage tube (8) is formed in the shell (1), the clamping groove (2) is formed in the middle of the shell (1), two ends of the clamping groove (2) penetrate through the side wall of the shell (1), a notch of the clamping groove (2) is formed in the side wall of one side of the shell (1), two connectors (7) are formed in the shell (1), and the two connectors (7) are connected through a pipeline; the extrusion mechanism (4) is arranged at the upper part of the shell (1), the extrusion mechanism (4) comprises a motor (41), a first connecting rod (42), a second connecting rod (43), a third connecting rod (44) and an extrusion block (45), one end of the first connecting rod (42) is fixed on a rotating shaft of the motor (41), the other end of the first connecting rod (42) is hinged with one end of the second connecting rod (43), the other end of the second connecting rod (43) is hinged with one end of the third connecting rod (44), the other end of the third connecting rod (44) is fixedly connected with the extrusion block (45), a through hole (3) penetrating into the clamping groove (2) from the upper part is formed in the shell (1), and the extrusion block (45) can vertically slide to penetrate through the through hole (3); the flowmeter (5) is connected to the pipeline between the interfaces (7), and the controller (6) is in communication connection with the flowmeter (5) and the motor (41).

2. The ventricular and lumbar cistern drainage regulator of claim 1, wherein: the shell (1) is provided with a positioning frame (9) for positioning the third connecting rod (44) in the vertical direction, the positioning frame (9) is provided with a guide hole (10) passing through the third connecting rod (44), and the guide hole (10) is arranged above the through hole (3).

3. The ventricular and lumbar cistern drainage regulator of claim 1, wherein: the shell (1) is provided with a fixed seat (12) for fixing the motor (41).

4. The ventricular and lumbar cistern drainage regulator of claim 1, wherein: the upper part of the shell (1) is provided with a protective cover (11).

5. The ventricular and lumbar cistern drainage regulator of claim 1, wherein: the extrusion block (45) is in a long strip shape, and the extrusion block (45) is arranged in parallel with the clamping groove (2).

6. The ventricular and lumbar cistern drainage regulator of claim 1, wherein: the cross section of the clamping groove (2) is gradually widened from the groove opening to the inside, and the cross section of the clamping groove (2) is internally circular.