阅读说明：本技术 脑脊液定量引流器 (Quantitative drainage device for cerebrospinal fluid ) 是由 王永红 吴昊 于 2020-12-25 设计创作，主要内容包括：本发明公开脑脊液定量引流器,包括引流管、按压阀门、调节机构、检测机构和引流袋,引流管依次连接按压阀门、调节机构、检测机构和引流袋,调节机构具有椭圆形容器、支管、升降球、弹簧、调节板、防护套、主动锥齿轮、从动锥齿轮、螺杆、调节杆和调节旋钮,椭圆形容器的上端连通引流管。本发明的按压阀门可以在脑脊液在管道中沉淀后按压避免沉淀,过滤机构可以过滤一些较大的组织或凝块,防止管道堵塞,另外,调节机构和检测机构配合使用,显示器显示实时升降球上端面的压力,根据需求旋拧调节旋钮实现调节板升降以调节弹簧的弹力,使弹簧的弹力达到预设的压力值,当颅内压大于预设值后,升降球被下压脑脊液从支管流出,引流到引流袋内。(The invention discloses a cerebrospinal fluid quantitative drainage device which comprises a drainage tube, a pressing valve, an adjusting mechanism, a detection mechanism and a drainage bag, wherein the drainage tube is sequentially connected with the pressing valve, the adjusting mechanism, the detection mechanism and the drainage bag, the adjusting mechanism is provided with an oval container, a branch tube, a lifting ball, a spring, an adjusting plate, a protecting sleeve, a driving bevel gear, a driven bevel gear, a screw, an adjusting rod and an adjusting knob, and the upper end of the oval container is communicated with the drainage tube. In addition, the adjusting mechanism and the detection mechanism are matched for use, the display displays the pressure of the upper end face of the lifting ball in real time, the adjusting knob is screwed according to requirements to realize the lifting of the adjusting plate so as to adjust the elastic force of the spring, the elastic force of the spring reaches a preset pressure value, and when the intracranial pressure is greater than the preset value, the lifting ball is pressed downwards to flow out of the branch pipe and is drained into the drainage bag.)

1. The cerebrospinal fluid quantitative drainage device is characterized by comprising a drainage tube, a pressing valve, an adjusting mechanism, a detection mechanism and a drainage bag, wherein the drainage tube is sequentially connected with the pressing valve, the adjusting mechanism, the detection mechanism and the drainage bag, the adjusting mechanism is provided with an oval container, a branch tube, a lifting ball, a spring, an adjusting plate, a protective sleeve, a driving bevel gear, a driven bevel gear, a screw, an adjusting rod and an adjusting knob, the upper end of the oval container is communicated with the drainage tube, the lower end of the oval container is connected with the drainage tube, a communication hole is formed in one side of the upper end of the oval container and communicated with the upper end of the branch tube, the lower end of the branch tube is communicated with the drainage tube at the lower end of the oval container, the lifting ball is arranged in the oval container, the upper end of the spring, the lower end of the spring is connected with the upper end face of the adjusting plate, a threaded hole is formed in the middle of the adjusting plate, the outer contour of the adjusting plate is in contact with the inner surface of the elliptical container, the protective sleeve is sleeved on the spring, the upper end face of the protective sleeve is connected with the lower end face of the lifting ball, the lower end face of the protective sleeve is connected with the upper end face of the adjusting plate, the upper end of the screw penetrates through the adjusting plate and is connected with the threaded hole, the lower end face of the screw is connected with the driven bevel gear, the adjusting rod is rotationally fixed on one side of the lower end of the elliptical container, the outer end of the adjusting rod is connected with the adjusting knob, the inner end of the adjusting rod is connected with the driving bevel gear, the driving bevel gear is meshed with the driven bevel gear, the detection mechanism comprises a pressure sensor, a data, the data line is connected with the pressure sensor and the display.

2. The cerebrospinal fluid quantitative drainage device according to claim 1, further comprising a filtering mechanism having an upper three-way pipe, a lower three-way pipe, an upper drainage branch pipe, a lower drainage branch pipe, a main valve, a branch valve, a filtering funnel and a fixing member, wherein the upper three-way pipe is installed at the upper part of the drainage tube, the lower three-way pipe is installed at the lower part of the drainage tube, the lower three-way pipe is located above the press valve, the main valve is installed on the main pipe of the upper three-way pipe, the branch valve is installed on the branch pipe of the upper three-way pipe, a filtering net and a filtering hood are installed in the filtering funnel, the filtering net is fixed at the upper part of the filtering funnel, a through hole is formed in the middle part of the filtering net, the through hole is provided with the filtering hood, the upper end of the filtering hood is closed, and the upper end of the upper drainage branch pipe is connected to the, the lower end of the upper drainage branch pipe penetrates through the upper end face of the filter hopper and the upper end face of the filter cover extends into the filter cover, a liquid outlet hole is formed in the upper portion of the filter hopper, the upper end of the lower drainage branch pipe is communicated with the liquid outlet hole, the lower end of the lower drainage branch pipe is communicated with a branch of the upper three-way pipe, and the fixing piece is connected with the lower end of the filter hopper and the drainage pipe to fix the filter hopper on the drainage pipe.

Technical Field

The invention belongs to medical instruments, and particularly relates to a quantitative cerebrospinal fluid drainage device.

Background

Need flow out with the cerebrospinal fluid drainage in the brain after the neurosurgery partial operation is done, reach intracranial pressure dynamic balance to avoid too big influence patient's of intracranial pressure state of illness to resume, current cerebrospinal fluid drainage ware simple structure, drainage volume control is not accurate and block up easily in the use moreover, causes the excessive or not enough consequence of drainage, seriously influences the patient and resumes.

Disclosure of Invention

The invention discloses a cerebrospinal fluid quantitative drainage device for solving the problems, which can adjust the drainage quantity according to the drainage requirement of cerebrospinal fluid, control the drainage of cerebrospinal fluid according to the intracranial pressure of a preset value and avoid pipeline blockage at the same time.

The cerebrospinal fluid quantitative drainage device comprises a drainage tube, a pressing valve, an adjusting mechanism, a detection mechanism and a drainage bag, wherein the drainage tube is sequentially connected with the pressing valve, the adjusting mechanism, the detection mechanism and the drainage bag, the adjusting mechanism is provided with an oval container, a branch tube, a lifting ball, a spring, an adjusting plate, a protective sleeve, a driving bevel gear, a driven bevel gear, a screw, an adjusting rod and an adjusting knob, the upper end of the oval container is communicated with the drainage tube, the lower end of the oval container is connected with the drainage tube, a communicating hole is formed in one side of the upper end of the oval container and communicated with the upper end of the branch tube, the lower end of the branch tube is communicated with the drainage tube at the lower end of the oval container, the lifting ball is arranged in the oval container, the upper end of the spring is connected with the lower end face of the, a threaded hole is formed in the middle of the adjusting plate, the outer contour of the adjusting plate is in contact with the inner surface of the oval container, the protecting sleeve is sleeved on the spring, the upper end surface of the protective sleeve is connected with the lower end surface of the lifting ball, the lower end surface of the protective sleeve is connected with the upper end surface of the adjusting plate, the upper end of the screw rod passes through the adjusting plate and is connected with the threaded hole, the lower end surface of the screw rod is connected with the driven bevel gear, the adjusting rod is rotationally fixed on one side of the lower end of the oval container, the outer end of the adjusting rod is connected with the adjusting knob, the inner end of the adjusting rod is connected with the driving bevel gear which is meshed with the driven bevel gear, the detection mechanism comprises a pressure sensor, a data line and a display, the pressure sensor is installed on the upper end face of the lifting ball, and the data line is connected with the pressure sensor and the display.

In the structure, the device also comprises a filtering mechanism, wherein the filtering mechanism is provided with an upper three-way pipe, a lower three-way pipe, an upper drainage branch pipe, a lower drainage branch pipe, a main path valve, a branch path valve, a filtering hopper and a fixing piece, the upper three-way pipe is arranged at the upper part of the drainage pipe, the lower three-way pipe is arranged at the lower part of the drainage pipe, the lower three-way pipe is positioned above the pressing valve, the main path valve is arranged on the main path of the upper three-way pipe, the branch path valve is arranged on the branch path of the upper three-way pipe, a filtering net and a filtering cover are arranged in the filtering hopper, the filtering net is fixed at the upper part of the filtering hopper, a through hole is formed in the middle part of the filtering net, the filtering cover is arranged at the through hole, the upper end of the filtering cover is closed, the upper end of the upper drainage branch pipe is connected with the, The upper end surface of the filter cover extends into the filter cover, a liquid outlet hole is formed in the upper portion of the filter hopper, the upper end of the lower drainage branch pipe is communicated with the liquid outlet hole, the lower end of the lower drainage branch pipe is communicated with a branch of the upper three-way pipe, the fixing piece is connected with the lower end of the filter hopper and the drainage pipe, and the filter hopper is fixed on the drainage pipe.

Compared with the prior art, the invention has the beneficial effects that:

in addition, the adjusting mechanism and the detection mechanism are matched for use, the display displays the pressure of the upper end face of the lifting ball in real time, the adjusting knob is screwed according to requirements to realize the lifting of the adjusting plate so as to adjust the elastic force of the spring, the elastic force of the spring reaches a preset pressure value, and when the intracranial pressure is greater than the preset value, the lifting ball is pressed downwards to flow out of the branch pipe and is drained into the drainage bag.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view of FIG. 1 at A;

fig. 3 is an enlarged view of fig. 1 at B.

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.

In order to make the technical solutions of the present application better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the embodiments of the present application, and it is obvious that the described embodiments are only some embodiments of the present application, but not all 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 application.

As shown in fig. 1-3, the cerebrospinal fluid quantitative drainage device comprises a drainage tube 1, a pressing valve 2, an adjusting mechanism 3, a detection mechanism and a drainage bag 4, wherein the drainage tube 1 is sequentially connected with the pressing valve 2, the adjusting mechanism 3, the detection mechanism and the drainage bag 4, the adjusting mechanism 3 comprises an elliptical container 31, a branch tube 32, a lifting ball 33, a spring 34, an adjusting plate 35, a protective sleeve 36, a driving bevel gear 37, a driven bevel gear 38, a screw 39, an adjusting rod and an adjusting knob 310, the upper end of the elliptical container 31 is communicated with the drainage tube 1, the lower end of the elliptical container 31 is connected with the drainage tube 1, a communication hole is formed in one side of the upper end of the elliptical container 31 and communicated with the upper end of the branch tube 32, the lower end of the branch tube 32 is communicated with the drainage tube 1 at the lower end of the elliptical container 31, the lifting ball 33 is, the upper end of the spring 34 is connected with the lower end surface of the lifting ball 33, the lower end of the spring 34 is connected with the upper end surface of the adjusting plate 35, a threaded hole is formed in the middle of the adjusting plate 35, the outer contour of the adjusting plate 35 is in contact with the inner surface of the elliptical container 31, the protecting sleeve 36 is sleeved on the spring 34, the upper end surface of the protecting sleeve 36 is connected with the lower end surface of the lifting ball 33, the lower end surface of the protecting sleeve 36 is connected with the upper end surface of the adjusting plate 35, the upper end of the screw 39 penetrates through the adjusting plate 35 and is connected with the threaded hole, the lower end surface of the screw 39 is connected with the driven bevel gear 38, the adjusting rod is rotationally fixed on one side of the lower end of the elliptical container 31, the outer end of the adjusting rod is connected with the adjusting knob 310, the inner end of the adjusting rod is connected with the, the detection mechanism comprises a pressure sensor 6, a data line 7 and a display 8, wherein the pressure sensor 6 is installed on the upper end face of the lifting ball 33, and the data line 7 is connected with the pressure sensor 6 and the display 8.

In the structure, the device further comprises a filtering mechanism 5, the filtering mechanism is provided with an upper three-way pipe 51, a lower three-way pipe 52, an upper drainage branch pipe 53, a lower drainage branch pipe 54, a main pipe valve 55, a branch valve 56, a filtering funnel 57 and a fixing piece 58, the upper three-way pipe 51 is installed at the upper part of the drainage pipe 1, the lower three-way pipe 52 is installed at the lower part of the drainage pipe 1, the lower three-way pipe 52 is positioned above the press valve 2, the main pipe valve 55 is installed on the main pipe of the upper three-way pipe 51, the branch valve 56 is installed on the branch pipe of the upper three-way pipe 51, a filtering net 59 and a filtering hood 510 are installed in the filtering funnel 57, the filtering net 59 is fixed at the upper part of the filtering funnel 57, a through hole is formed in the middle part of the filtering net 59, the filtering hood 510 is installed in the through hole, the upper end of the filtering hood 510 is closed, the upper end, the lower end of the upper drainage branch pipe 53 penetrates through the upper end surface of the filter funnel 57 and the upper end surface of the filter housing 510 and extends into the filter housing 510, a liquid outlet hole is formed in the upper portion of the filter funnel 57, the upper end of the lower drainage branch pipe 54 is communicated with the liquid outlet hole, the lower end of the lower drainage branch pipe 54 is communicated with a branch of the upper three-way pipe 51, the fixing piece 58 is connected with the lower end of the filter funnel 57 and the drainage pipe 1, and the filter funnel 57 is fixed on the drainage pipe 1.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement, component separation or combination and the like made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.