CN112451294A

CN112451294A - Intracranial drainage fixer for neurosurgery

Info

Publication number: CN112451294A
Application number: CN202011452396.5A
Authority: CN
Inventors: 滕宏伟
Original assignee: Individual
Current assignee: Binhai People's Hospital
Priority date: 2020-12-07
Filing date: 2020-12-07
Publication date: 2021-03-09
Anticipated expiration: 2040-12-07
Also published as: CN112451294B

Abstract

The invention relates to an intracranial drainage fixer for neurosurgery, which comprises a workbench and a connecting piece fixed on the workbench, wherein the connecting piece is hinged with a hard plate, the hard plate is connected with a sponge headrest through a soft cavity, the workbench is also provided with a servo motor, the servo motor drives an adjusting wheel arranged on the workbench to rotate through a transmission assembly, the adjusting wheel is connected with a guide rod through a steel wire, one end of the guide rod is hinged with the hard plate, the other end of the guide rod is provided with a pulley, the pulley is matched with a track arranged on the workbench, the workbench is also provided with a pressure regulating assembly, the pressure regulating assembly is connected with the servo motor through an adjusting assembly, the pressure regulating assembly is connected with a compressing assembly arranged on the workbench through a first air duct, the compressing assembly penetrates through the hard plate through a second air duct and is connected with the soft cavity, the invention has novel design, simple structure and strong practicability.

Description

Intracranial drainage fixer for neurosurgery

Technical Field

The invention relates to the technical field of medical instruments, in particular to an intracranial drainage fixator for neurosurgery.

Background

Intracranial drainage is a medical operation name, is suitable for patients with serious intracranial pressure increase such as intracerebroventricular or postcranial pit space occupying lesion, frequent vomiting, weak body, hypopsia and the like, can be used for continuous drainage of the intracerebroventricular first, and radiography and operation are carried out after the condition of illness is improved, and drainage is still required for several days after operation. After ventricular pneumography or ventricular water-soluble iodine agent radiography, if the operation is not performed immediately, the continuous drainage of the ventricles can be performed temporarily. The cerebral hemorrhage breaks into the ventricle, and the hematoma is removed after the operation. Spontaneous subarachnoid hemorrhage, severe intracranial pressure increase accompanied by more than three levels of disease, liquid leakage after cerebrospinal fluid leakage repair or spinal membrane bulge surgery, and some patients with severe craniocerebral injury. In actual operation, a uniform method is not available for fixing the drainage tube, the traditional fixator cannot adjust the angle, and a patient feels uncomfortable after a posture for a long time.

Disclosure of Invention

The invention aims to provide an intracranial drainage fixer for neurosurgery, which solves the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme:

a neurosurgical intracranial drainage fixator comprises a workbench and a connecting piece fixed on the workbench, wherein the connecting piece is hinged with a hard plate, the hard plate is connected with a sponge headrest through a soft cavity, the workbench is also provided with a servo motor, the servo motor drives an adjusting wheel arranged on the workbench to rotate through a transmission assembly, the adjusting wheel is connected with a guide rod through a steel wire, one end of the guide rod is hinged with the hard plate, the other end of the guide rod is provided with a pulley, and the pulley is matched with a track arranged on the workbench;

still be provided with the pressure regulating subassembly on the workstation, the pressure regulating subassembly pass through regulating assembly with servo motor connects, the pressure regulating subassembly is in through an air duct and setting compressing tightly the subassembly on the workstation and connecting, compressing tightly the subassembly and passing through No. two air ducts hard board with soft cavity connects.

As a further scheme of the invention: the transmission assembly comprises a second bevel gear and a first bevel gear, the second bevel gear is connected with a driving rod connected with the output shaft of the servo motor, the first bevel gear is meshed with the second bevel gear and is rotatably arranged on the workbench, and the second bevel gear is connected with the adjusting wheel through a transmission rod.

As a still further scheme of the invention: the adjusting part comprises a screw rod which is sleeved with the driving rod in a sliding manner and runs through the pressure adjusting part and a threaded sleeve which is sleeved with the screw rod in a threaded manner and is arranged on the pressure adjusting part, and a limit block which is arranged on the screw rod is matched with a groove which is arranged on the driving rod.

As a still further scheme of the invention: the pressure regulating subassembly is in including setting up a piston sleeve and setting on the workstation are in a piston of piston sleeve inside, a piston pass through the bearing with the lead screw is connected, one side of a piston sleeve is provided with threaded sleeve, the opposite side passes through an air duct with the subassembly that compresses tightly is connected.

As a still further scheme of the invention: the compressing assembly is fixedly arranged on the workbench and passes through the air duct and the piston sleeve connected with the piston sleeve and is arranged on the piston sleeve, the piston in the piston sleeve is arranged on the piston sleeve, the elastic assembly is arranged on the piston, one end of the piston is arranged on the piston, the elastic assembly is arranged on the piston, the end of the piston is matched with a fixed block on the workbench, and the piston sleeve is arranged on the soft cavity.

As a still further scheme of the invention: the elastic component comprises a spring sleeve which penetrates through the second piston sleeve and is connected to the second piston, a spring which is arranged on the spring sleeve and a fixing rod which is abutted to the spring, wherein the fixing rod is matched with the fixing block.

Compared with the prior art, the invention has the beneficial effects that: the invention has novel design, when in use, the angle is adjusted according to the requirement of a patient, when the angle is adjusted, the servo motor is driven to rotate, the adjusting wheel is driven to rotate by the transmission component, the steel wire is pulled to drive the guide rod to move, the angle is adjusted, simultaneously, when the patient leans against the sponge headrest, the soft cavity is extruded, so that the gas in the soft cavity enters the second piston sleeve, the elastic component is extruded by the gas and clamps the drainage tube under the joint action of the fixed block, when the angle is adjusted, the gas is extruded out from the soft cavity relatively more, the servo motor drives the first piston to move towards the servo motor while driving the guide rod, the gas in the second piston sleeve is extracted, the pressure of the second piston sleeve is prevented from being too high, the drainage tube is clamped off by the too tight combination of the pressing component or the drainage tube cannot circulate liquid, when the angle is adjusted, the gas in the soft cavity is less relatively extruded, and servo motor rotates this moment, when driving the guide arm motion, presses the gas in a piston sleeve into No. two piston sleeves, avoids because of the pressure undersize in No. two piston sleeves for compress tightly subassembly pressure inadequately, lose the centre gripping to the drainage tube, simple structure, the practicality is strong.

Drawings

Fig. 1 is a structural schematic diagram of a neurosurgical intracranial drainage fixator.

Fig. 2 is a partial top view of fig. 1, namely a connection relationship between the first bevel gear and the second bevel gear and the adjusting wheel.

Fig. 3 is an enlarged schematic view of the structure at a in fig. 1.

Fig. 4 is a structural schematic diagram of a threaded sleeve and a piston sleeve in the neurosurgical intracranial drainage fixator.

Fig. 5 is a schematic structural diagram of a guide rod and a guide rail in the intracranial drainage fixator for neurosurgery.

In the figure: 1-workbench, 2-connecting piece, 3-hard board, 4-soft chamber, 5-sponge headrest, 6-servo motor, 7-driving rod, 8-lead screw, 9-screw sleeve, 10-first piston, 11-first piston sleeve, 12-first air duct, 13-second piston sleeve, 14-second air duct, 15-second piston, 16-spring sleeve, 17-spring, 18-fixed rod, 19-fixed block, 20-guide rod, 21-guide rail, 22-steel wire, 23-regulating wheel, 24-first bevel gear, 25-second bevel gear.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In addition, an element of the present invention may be said to be "fixed" or "disposed" to another element, either directly on the other element or with intervening elements present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

Referring to fig. 1 to 5, in an embodiment of the present invention, the neurosurgical intracranial drainage fixator includes a workbench 1 and a connecting member 2 fixed on the workbench 1, the connecting member 2 is hinged to a hard plate 3, the hard plate 3 is connected to a sponge headrest 5 through a soft chamber 4, the workbench 1 is further provided with a servo motor 6, the servo motor 6 drives an adjusting wheel 23 disposed on the workbench 1 to rotate through a transmission assembly, the adjusting wheel 23 is connected to a guide rod 20 through a steel wire 22, one end of the guide rod 20 is hinged to the hard plate 3, and the other end is provided with a pulley which is adapted to a track 21 disposed on the workbench 1;

still be provided with the pressure regulating subassembly on the workstation 1, the pressure regulating subassembly pass through the adjusting part with servo motor 6 is connected, the pressure regulating subassembly is in with the setting through an air duct 12 the subassembly that compresses tightly on the workstation 1 is connected, compress tightly the subassembly and pass through No. two air ducts 14 hard board 3 with soft cavity 4 is connected.

In the embodiment of the invention, when the medical pressure-regulating device is used, the head of a patient leans against the sponge headrest 5, the soft cavity 4 is extruded at the moment, the gas in the soft cavity 4 is extruded into the pressing component to clamp the drainage tube, meanwhile, when the angle is required to be regulated, the servo motor 6 is driven to rotate to drive the guide rod 20 to move to realize angle regulation, the gas extruded out of the soft cavity 4 is increased or reduced while the angle is regulated, in order to ensure sufficient clamping force of the pressing component on the drainage tube, the servo motor 6 timely supplements or relieves the pressure in the pressure regulating component while regulating the angle, the design is ingenious, the structure is simple, and the practicability is strong.

As an embodiment of the present invention, the transmission assembly includes a second bevel gear 25 on the driving rod 7 connected to the output shaft of the servo motor 6, and a first bevel gear 24 engaged with the second bevel gear 25 and rotatably disposed on the worktable 1, and the second bevel gear 24 is connected to the adjusting wheel 23 through a transmission rod.

In the embodiment of the invention, when the angle of the device needs to be adjusted, the servo motor 6 is driven to rotate, and the guide rod 20 is driven to slide on the track 21 under the action of the first bevel gear 24, the second bevel gear 25, the transmission rod, the adjusting wheel 23 and the steel wire 22, so as to realize the change of the angle.

As an embodiment of the present invention, the adjusting assembly includes a screw rod 8 slidably sleeved with the driving rod 7 and penetrating through the pressure adjusting assembly, and a threaded sleeve 9 threadedly sleeved with the screw rod 8 and disposed on the pressure adjusting assembly, wherein a limiting block disposed on the screw rod 8 is adapted to a groove disposed on the driving rod 7.

In the embodiment of the invention, when the compressing component compresses the drainage tube, the angle is adjusted, at the moment, the gas in the soft chamber 4 is changed by the extruded gas, at the moment, the screw rod 8 and the threaded sleeve 9 are required to drive the pressure regulating component to work, the air pressure of the compressing component is timely adjusted, and the influence on the drainage effect due to too large or too small pressure intensity is avoided.

As an embodiment of the invention, the pressure regulating assembly comprises a first piston sleeve 11 arranged on the workbench 1 and a first piston 10 arranged inside the first piston sleeve 11, the first piston 10 is connected with the screw rod 8 through a bearing, one side of the first piston sleeve 11 is provided with the threaded sleeve 9, and the other side of the first piston sleeve is connected with the compressing assembly through the first air duct 12.

In the embodiment of the invention, when the angle of the device is adjusted, the pressure in the compressing assembly changes, and meanwhile, the pressure in the compressing assembly is supplemented or decompressed in time while the angle changes under the driving of the servo motor 6, so that the drainage tube is prevented from being pinched off by too high pressure or from losing the clamping capacity of the drainage tube by too low pressure in the compressing assembly.

As an embodiment of the present invention, the compressing assembly includes a second piston sleeve 13 fixedly disposed on the workbench 1 and connected to the first piston sleeve 11 through the first air duct 12, a second piston 15 disposed in the second piston sleeve 13, and an elastic assembly disposed on the second piston 15, one end of the elastic assembly far away from the second piston 15 is adapted to a fixed block 19 disposed on the workbench 1, and the second piston sleeve 13 is connected to the soft chamber 4 through the second air duct 14.

In the embodiment of the invention, when the gas in the soft chamber 4 is pressed into the second piston sleeve 13 through the second gas guide tube 14, under the action of pressure, the elastic component is pressed out of the second piston sleeve 13 to cooperate with the fixed block 19, so that the drainage wire is fixed.

As an embodiment of the present invention, the elastic component includes a spring sleeve 16 penetrating through the second piston sleeve 13 and connected to the second piston 15, a spring 17 penetrating through the spring sleeve 16, and a fixing rod 18 abutting against the spring 17, and the fixing rod 18 is adapted to the fixing block 19.

In the embodiment of the invention, when the pressure in the second piston sleeve 13 is increased, the spring sleeve 16 is extruded, so that the fixing rod 18 and the fixing block 19 act together to clamp the drainage tube, and the spring 17 is arranged to play a certain buffering role.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The intracranial drainage fixator for the neurosurgery is characterized by comprising a workbench (1) and a connecting piece (2) fixed on the workbench (1), wherein the connecting piece (2) is hinged to a hard plate (3), the hard plate (3) is connected with a sponge headrest (5) through a soft chamber (4), a servo motor (6) is further arranged on the workbench (1), the servo motor (6) drives an adjusting wheel (23) arranged on the workbench (1) to rotate through a transmission assembly, the adjusting wheel (23) is connected with a guide rod (20) through a steel wire (22), one end of the guide rod (20) is hinged to the hard plate (3), and the other end of the guide rod is provided with a pulley which is matched with a track (21) arranged on the workbench (1);

still be provided with the pressure regulating subassembly on workstation (1), the pressure regulating subassembly pass through the regulating subassembly with servo motor (6) are connected, the pressure regulating subassembly is in through an air duct (12) and setting the subassembly that compresses tightly on workstation (1) is connected, compress tightly the subassembly and pass through No. two air ducts (14) hard board (3) with soft cavity (4) are connected.

2. The intracranial drainage fixture for neurosurgery according to claim 1, wherein the transmission assembly comprises a second bevel gear (25) on the driving rod (7) connected with the output shaft of the servo motor (6) and a first bevel gear (24) meshed with the second bevel gear (25) and rotatably arranged on the workbench (1), and the second bevel gear (24) is connected with the regulating wheel (23) through a transmission rod.

3. The intracranial drainage fixator in neurosurgery according to claim 2, wherein the adjusting component comprises a screw rod (8) which is slidably sleeved with the active rod (7) and penetrates through the pressure adjusting component, and a threaded sleeve (9) which is in threaded sleeve with the screw rod (8) and is arranged on the pressure adjusting component, and a limit block arranged on the screw rod (8) is matched with a groove arranged on the active rod (7).

4. The intracranial drainage fixer for neurosurgery according to claim 3, wherein the pressure regulating assembly comprises a piston sleeve (11) arranged on the workbench (1) and a piston (10) arranged inside the piston sleeve (11), the piston (10) is connected with the screw rod (8) through a bearing, one side of the piston sleeve (11) is provided with the threaded sleeve (9), and the other side of the piston sleeve is connected with the compressing assembly through the air duct (12).

5. The intracranial drainage neurosurgical fixator according to claim 4, wherein the compressing assembly comprises a second piston sleeve (13) fixedly arranged on the workbench (1) and connected with the first piston sleeve (11) through the first air duct (12), a second piston (15) arranged in the second piston sleeve (13), and an elastic assembly arranged on the second piston (15), one end of the elastic assembly, which is far away from the second piston (15), is matched with a fixed block (19) arranged on the workbench (1), and the second piston sleeve (13) is connected with the soft chamber (4) through the second air duct (14).

6. The intracranial drainage neurosurgical fixator according to claim 5, wherein the elastic assembly comprises a spring sleeve (16) penetrating through the second piston sleeve (13) and connected to the second piston (15), a spring (17) penetrating through the spring sleeve (16), and a fixing rod (18) abutting against the spring (17), wherein the fixing rod (18) is adapted to the fixing block (19).