CN120242199A - A craniotomy suction device for establishing a craniocerebral blast injury model - Google Patents
A craniotomy suction device for establishing a craniocerebral blast injury model Download PDFInfo
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- CN120242199A CN120242199A CN202510740155.7A CN202510740155A CN120242199A CN 120242199 A CN120242199 A CN 120242199A CN 202510740155 A CN202510740155 A CN 202510740155A CN 120242199 A CN120242199 A CN 120242199A
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/71—Suction drainage systems
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B10/00—Instruments for taking body samples for diagnostic purposes; Other methods or instruments for diagnosis, e.g. for vaccination diagnosis, sex determination or ovulation-period determination; Throat striking implements
- A61B10/0045—Devices for taking samples of body liquids
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B10/00—Instruments for taking body samples for diagnostic purposes; Other methods or instruments for diagnosis, e.g. for vaccination diagnosis, sex determination or ovulation-period determination; Throat striking implements
- A61B10/02—Instruments for taking cell samples or for biopsy
- A61B10/0233—Pointed or sharp biopsy instruments
- A61B10/0283—Pointed or sharp biopsy instruments with vacuum aspiration, e.g. caused by retractable plunger or by connected syringe
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61D—VETERINARY INSTRUMENTS, IMPLEMENTS, TOOLS, OR METHODS
- A61D1/00—Surgical instruments for veterinary use
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/71—Suction drainage systems
- A61M1/74—Suction control
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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- A61B10/00—Instruments for taking body samples for diagnostic purposes; Other methods or instruments for diagnosis, e.g. for vaccination diagnosis, sex determination or ovulation-period determination; Throat striking implements
- A61B10/0045—Devices for taking samples of body liquids
- A61B2010/0077—Cerebrospinal fluid
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2210/00—Anatomical parts of the body
- A61M2210/06—Head
- A61M2210/0687—Skull, cranium
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2210/00—Anatomical parts of the body
- A61M2210/06—Head
- A61M2210/0693—Brain, cerebrum
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Abstract
本发明公开了一种颅脑爆震伤模型建立用开颅吸引装置，涉及颅脑抽吸领域，包括基座板，设于基座板顶部的外罩箱，线性阵列设于基座板上且位于外罩箱内的多个蠕泵抽吸装置，以及设于基座板上且用于驱动多个蠕泵抽吸装置工作的动力装置。本发明中的吸引装置能够实现多个目标颅脑内异常液体的同时精确控流抽取，同时能够对抽取液进行拍摄获取图片，能够对抽取液进行样本提取，便于后期分析数据建立颅脑爆震伤模型。
The present invention discloses a craniotomy suction device for establishing a craniocerebral blast injury model, which relates to the field of craniocerebral suction, and includes a base plate, an outer cover box arranged on the top of the base plate, a plurality of peristaltic pump suction devices arranged in a linear array on the base plate and located in the outer cover box, and a power device arranged on the base plate and used to drive the plurality of peristaltic pump suction devices to work. The suction device in the present invention can realize simultaneous and precise flow control and extraction of abnormal fluids in multiple target craniocerebral areas, and can also take pictures of the extracted fluid to obtain images, and can extract samples of the extracted fluid, so as to facilitate the later analysis of data to establish a craniocerebral blast injury model.
Description
Technical Field
The invention mainly relates to the technical field of craniocerebral aspiration, in particular to a craniocerebral aspiration device for establishing a craniocerebral knock injury model.
Background
The establishment of the craniocerebral knock injury model by using an animal experiment is beneficial to revealing the craniocerebral knock injury mechanism, can provide theoretical parameters for craniocerebral knock injury evaluation, has important significance for development of treatment strategies, and can generate cerebral injury after craniocerebral knocking to generate cerebral hemorrhage or effusion, the absorption of intracranial abnormal liquid is beneficial to restoring the normal intracranial pressure, and meanwhile, the sampling analysis of intracranial suction liquid is beneficial to acquiring craniocerebral injury related data so as to facilitate the establishment of the craniocerebral knock injury model.
The suction device in the prior art comprises a drainage tube, wherein an installation cavity and a drainage cavity are formed in the drainage tube, two ends of the drainage tube are respectively connected with a effusion box and a puncture part, a suction pump is arranged on the effusion box, the suction device further comprises a blockage cleaning mechanism, the blockage cleaning mechanism comprises a driving assembly and a blockage cleaning module, the driving assembly comprises a sliding piece, a connecting piece and a moving piece, and the blockage cleaning module is fixed at one end of the moving piece. The suction device changes the air pressure in the effusion tank by driving the suction pump, so that the air pressure in the effusion tank forms negative pressure, the negative pressure leads the intracranial effusion to be drained into the effusion tank through the drainage tube, and the blockage in the drainage cavity can be crushed and cleaned by driving the blockage cleaning mechanism through the negative pressure, thereby improving the drainage effect of the drainage device, reducing the secondary injury to a patient and improving the success rate of effusion drainage.
The drainage device in the prior art can crush and clean the blockage in the drainage cavity, so that the drainage effect of the drainage device is improved, but accurate flow control in the suction process and drainage liquid sample acquisition cannot be realized.
Disclosure of Invention
Based on this, the present invention aims to provide a craniotomy suction device for craniocerebral knock injury model establishment, so as to solve the technical problems set forth in the background art.
The invention provides a craniotomy suction device for craniocerebral knock model establishment, which comprises a base plate, an outer cover box arranged at the top of the base plate, a plurality of vermicular pumping devices which are arranged on the base plate in a linear array and are positioned in the outer cover box, and a power device which is arranged on the base plate and is used for driving the vermicular pumping devices to work, wherein the vermicular pumping devices comprise a vermicular pump shell, a liquid suction switching part and a liquid discharge switching part, a plurality of conveying pipes, a rotating frame and pinch rollers, the vermicular pumping shell is arranged on the outer wall of the vermicular pump shell, the liquid suction switching part and the liquid discharge switching part are arranged on the outer wall of the vermicular pump shell, the conveying pipes penetrate through the outer cover box and extend to the outer part of the outer cover box, the rotating frame is rotationally connected with the inner wall of the vermicular pump shell, the pinch rollers are symmetrically arranged at two ends of the rotating frame and are in butt joint with the conveying pipes, and one ends of the conveying pipes are communicated with the liquid suction switching part, and the other ends of the conveying pipes are communicated with the liquid discharge switching part;
The liquid discharging end of the liquid discharging switching component is provided with a liquid discharging box and a sampling box, and the outer wall of the outer cover box is provided with a sampling accommodating device corresponding to the position of the sampling box;
The power device comprises a driving shaft arranged on the base plate and a plurality of speed change adjusting parts arranged on the driving shaft, wherein the speed change adjusting parts are used for driving the rotating frame to rotate.
Preferably, the liquid draining switching component comprises a positioning box arranged on the outer wall of the peristaltic pump shell, a plurality of first liquid draining holes and second liquid draining holes penetrating through the outer wall of the positioning box, a plurality of liquid draining sliders slidingly connected with the inner wall of the positioning box, two electromagnetic blocks symmetrically embedded at the top and the bottom of the liquid draining sliders, and two magnetic blocks symmetrically arranged in the positioning box and positioned at the upper part and the lower part of the electromagnetic blocks, wherein the liquid draining sliders are communicated with the conveying pipe, a plurality of first liquid draining holes are communicated with the liquid draining box, and a plurality of second liquid draining holes are communicated with the sampling box;
The liquid suction switching component and the liquid discharge switching component are identical in structure, and a suction box and an air box are arranged on the outer wall of the positioning box in the liquid suction switching component. In the preferred embodiment, the liquid discharging end of the conveying pipe is conveniently switched between the sampling state and the liquid discharging state through the liquid discharging switching component, the suction end of the conveying pipe is conveniently switched between the liquid sucking state and the idle state through the liquid sucking switching component, and the suction amount of the rotating frame rotating for one circle is larger when the conveying pipe in the idle state is smaller.
Preferably, the variable speed adjusting part comprises a first conical roller sleeved on the outer wall of the driving shaft, one end of the variable speed adjusting part is connected with a second conical roller of the rotating frame through a connecting rod, a transmission belt arranged between the first conical roller and the second conical roller, and a stirring assembly arranged on the base plate and used for stirring the transmission belt, and the first conical roller and the second conical roller are symmetrically arranged. In the present preferred embodiment, the rotational speed of the turret is conveniently adjusted by a variable speed adjustment member to facilitate the adjustment of the amount of suction.
Preferably, the stirring assembly comprises a vertical plate arranged on the base plate, a linear module horizontally arranged on the outer wall of the vertical plate, two stirring frames arranged at the execution end of the linear module in an up-down symmetrical mode, two transverse plates arranged in the stirring frames in a symmetrical mode, two abutting wheels arranged on the outer wall of the transverse plates in a symmetrical mode, and the transmission belt is arranged between the two abutting wheels. In the preferred embodiment, stepless adjustment of the transmission ratio is achieved by toggling the assembly to achieve stepless adjustment of the turret rotational speed.
Preferably, the air box further comprises a back flushing component, wherein the back flushing component comprises a first back flushing pipe, one end of the first back flushing pipe is communicated with the sampling box, and one end of the second back flushing pipe is communicated with the air box. In the preferred embodiment, backwash cleaning of the interior of the peristaltic pump suction device is facilitated by backwash means.
Preferably, the device further comprises a suction liquid shooting component, wherein the suction liquid shooting component comprises an outer cover plate sleeved on the outer wall of the conveying pipe, one end of the suction liquid shooting component is connected with the outer wall of the positioning box, the other end of the suction liquid shooting component is connected with the outer wall of the peristaltic pump shell, and a camera arranged in the outer cover plate. In the preferred embodiment, the suction liquid shooting component is convenient for acquiring the image information of the suction liquid, so that the craniocerebral knock injury model is conveniently built as picture data in the later period.
Preferably, the sampling container comprises a sampling tube with one end communicated with the sampling box, a positioning frame arranged on the outer wall of the outer cover box, a conversion component arranged at the bottom of the positioning frame and with an execution end penetrating through the positioning frame and extending to the upper part of the positioning frame, and a plurality of sample tubes arranged at the execution end of the conversion component. In the preferred embodiment, the sample of the extracting solution is conveniently stored through the sampling and containing device so as to be convenient for later analysis of the sample, and the analysis of the obtained data is helpful for craniocerebral knock injury model establishment.
Preferably, the conversion component comprises a stepping motor arranged at the bottom of the positioning frame, an execution end of the stepping motor penetrates through the positioning frame and extends to the upper part of the positioning frame, a rotating disc arranged at the execution end of the stepping motor, and a plurality of placement holes penetrating through the rotating disc in an annular array mode, wherein the placement holes are used for placing sample tubes. In the preferred embodiment, stable switching of the sample tube is achieved by the switching means.
Preferably, the device further comprises a plurality of suction positioning devices arranged on the base plate, the suction positioning devices are in one-to-one correspondence with the peristaltic pump suction devices, the suction positioning devices comprise mechanical arms arranged on the base plate, and suction needle tubes arranged at the execution ends of the mechanical arms, and the suction needle tubes are communicated with the suction boxes through pipelines. In the preferred embodiment, the stable movement of the aspiration needle tube is achieved by the aspiration positioning device.
Preferably, the device further comprises a plurality of craniocerebral positioning devices arranged on the base plate, the craniocerebral positioning devices correspond to the suction positioning devices one by one, the craniocerebral positioning devices comprise a power rotary table arranged on the base plate, a square plate vertically arranged at the top of the power rotary table, a power motor arranged on the outer wall of the square plate and with an execution end penetrating through the square plate, a craniocerebral fixing ring detachably connected with the execution end of the power motor, and a plurality of positioning nails penetrating through the craniocerebral fixing ring and in threaded connection with the craniocerebral fixing ring. In the preferred embodiment, the stable fixation of the cranium to be aspirated is achieved by means of a cranium positioning device.
In summary, the invention has the following advantages:
The suction device can realize simultaneous accurate flow control and extraction of a plurality of target intracranial abnormal liquids, can shoot the extraction liquid to obtain pictures, can extract samples of the extraction liquid, and is convenient for later analysis data to establish a craniocerebral knock injury model;
The suction device realizes the stable fixation of cranium to be sucked through the cranium positioning device, realizes the stable movement of the suction needle tube through the suction positioning device, realizes the stable suction through the peristaltic pump suction device, and realizes the stable control of the suction flow through the power device;
The liquid discharge end of the conveying pipe is conveniently switched between a sampling state and a liquid discharge state through the liquid discharge switching component, the liquid suction end of the conveying pipe is conveniently switched between a liquid suction state and an idle state through the liquid suction switching component, the smaller the conveying pipe in the idle state is, the larger the suction amount of the rotating frame rotating for one circle is, the image information of the liquid suction is conveniently obtained through the liquid suction shooting component, so that a craniocerebral knocking injury model is conveniently built as picture data in the later stage, and backwashing cleaning is conveniently carried out inside the liquid suction device through the backwashing component;
the rotating speed of the rotating frame is conveniently adjusted through the variable speed adjusting component in the power device so as to be convenient for adjusting the suction quantity, and stepless adjustment of the transmission ratio is realized through stirring the component so as to realize stepless adjustment of the rotating speed of the rotating frame;
the sampling device is convenient for store the sampling liquid sample so as to analyze the sample in the later period, the data obtained by analysis is helpful for establishing a craniocerebral knock injury model, and the stable switching of the sample tube is realized through the conversion component.
Drawings
FIG. 1 is an isometric view of the overall structure of the suction device of the present invention;
FIG. 2 is an exploded view showing the overall structure of the suction device of the present invention;
FIG. 3 is an isometric view of the structure of the peristaltic pump suction device of the present invention;
FIG. 4 is an isometric view of the structure of the peristaltic pump suction device and the power device of the invention;
FIG. 5 is an exploded view of the peristaltic pump suction device of the present invention;
FIG. 6 is an exploded view of the structure of the liquid discharge switching member of the present invention;
FIG. 7 is a top view showing the overall structure of the suction device of the present invention;
FIG. 8 is a cross-sectional view showing the overall structure of the suction device of the present invention;
FIG. 9 is a cross-sectional view of the power plant structure of the present invention;
FIG. 10 is an enlarged view of the structure at A of the present invention;
fig. 11 is an enlarged view of the structure at B of the present invention.
Figure description 10, base plate; 11, an outer cover box; 20, a peristaltic pump suction device; 201, drain box, 202, sampling box, 21, peristaltic pump housing, 22, liquid suction switching component, 221, suction box, 222, air box, 23, drain switching component, 231, positioning box, 2311, first drain hole, 2312, second drain hole, 232, transfusion slide block, 233, electromagnetic block, 234, magnetic block, 24, conveying pipe, 25, rotating frame, 26, pinch roller, 27, back flushing component, 271, first back flushing pipe, 272, second back flushing pipe, 28, suction liquid shooting component, 281, outer cover plate, 282, camera, 30, power device, 31, driving shaft, 32, speed change regulating component, 321, first conical roller, 322, second conical roller, 323, transmission belt, 324, toggle assembly, 3241, vertical plate, 3242, linear module, 3243, toggle frame, 3244, transverse plate, 3245, abutting wheel, 40, sampling containing device, 41, sampling pipe, 42, positioning frame, 43, switching component, 431, stepping motor, 432, rotating disc, 44, power device, 31, driving shaft, 32, speed change regulating component, 321, first conical roller, 322, second conical roller, 323, 324, second conical roller, 324, transmission belt, 324, toggle assembly, 3241, vertical plate, 3242, linear module, 3243, toggle frame, 3244, transverse plate, 3245, abutting wheel, 40, sampling containing device, 41, 42, positioning frame, 43, switching component, 431, step motor, 432, stepping motor, 432, rotating disc, 50, suction arm, 60, mechanical arm, 65, needle positioning device, 65, needle positioning device, needle positioning device, etc.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the invention.
Hereinafter, an embodiment of the present invention will be described in accordance with its entire structure.
Examples
Referring to fig. 1, 2 and 7, in a preferred embodiment of the present invention, a craniotomy suction device for craniotomy model establishment comprises a base plate 10, a housing case 11 arranged on the top of the base plate 10, a plurality of peristaltic pump suction devices 20 arranged on the base plate 10 in a linear array and positioned in the housing case 11, and a power device 30 arranged on the base plate 10 and used for driving a plurality of peristaltic pump suction devices 20 to work, wherein the sampling container 40 comprises a sampling tube 41 with one end communicated with the sampling box 202, a positioning frame 42 arranged on the outer wall of the housing case 11, a switching member 43 arranged on the bottom of the positioning frame 42 and with an execution end penetrating the positioning frame 42 and extending to the upper part of the positioning frame 42, a plurality of sample tubes 44 arranged on the execution end of the switching member 43, the switching member 43 comprises a stepping motor 431 arranged on the bottom of the positioning frame 42 and with an execution end penetrating the positioning frame 42, a plurality of sample tubes 50 arranged on the positioning frame 60 and a plurality of sample tubes 50 arranged on the positioning frame 50, a plurality of suction devices 60 arranged on the base plate and in a circular array and in a manner, wherein the plurality of suction devices 432 are respectively arranged on the base plate 50 and the suction device 50 are correspondingly arranged on the base plate 50, and the suction device 50 are correspondingly arranged on the base plate by the base plate via the plurality of suction device 50, the craniocerebral positioning device 60 comprises a power turntable 61 arranged on the base plate 10, a square plate 62 vertically arranged at the top of the power turntable 61, a power motor 63 arranged on the outer wall of the square plate 62 and with an execution end penetrating through the square plate 62, a craniocerebral fixing ring 64 detachably connected with the execution end of the power motor 63, and a plurality of positioning nails 65 penetrating through the craniocerebral fixing ring 64 and in threaded connection with the craniocerebral fixing ring 64.
In this embodiment, after the animal performs the craniocerebral knock experiment, the abnormal liquid in the craniocerebral needs to be sucked, the craniocerebral is fixed by the craniocerebral positioning device 60 after the craniocerebral is drilled, the execution end of the suction positioning device 50 enters the craniocerebral according to the set route, the pumping device 20 is started to perform the suction operation, the power device 30 can accurately regulate the suction flow of the plurality of pumping devices 20 at the same time during the suction, and the sampling containing device 40 can store the suction liquid sample when the liquid discharge end of the pumping device 20 is switched to the sampling state;
Further, when the craniocerebral positioning device 60 works, the craniocerebral fixing ring 64 is covered outside the animal cranium manually, the positioning nails 65 are rotated, the positioning nails 65 are abutted against the cranium to be fixed, after the craniocerebral fixing ring 64 is installed at the executing end of the power motor 63, the animal body is arranged on the power turntable 61, the motor drives the power turntable 61 to rotate so as to drive the whole animal body to rotate, and the executing end of the power motor 63 drives the craniocerebral fixing ring 64 to rotate so as to drive the animal cranium to perform angle adjustment;
Further, when the suction positioning device 50 works, the execution end of the mechanical arm 51 drives the suction needle tube 52 to move;
further, when the sampling container 40 works, the executing end of the stepper motor 431 drives the rotating disc 432 to rotate, the rotating disc 432 drives the sample tubes 44 to pass through the sampling tube 41 one by one, and the plurality of sample tubes 44 can respectively receive the sample liquid discharged from the sampling tube 41.
Referring to fig. 2,3, 4, 5, 6,8, and 10, in another preferred embodiment of the present invention, the peristaltic pump suction device 20 includes a peristaltic pump housing 21 with an outer wall connected to the upper surface of the base plate 10 through a bracket, a liquid suction switching member 22 and a liquid discharge switching member 23 disposed on the outer wall of the peristaltic pump housing 21 and penetrating through the outer housing 11 and extending to the outside of the outer housing 11, a plurality of conveying pipes 24 disposed in the peristaltic pump housing 21, a rotating frame 25 rotatably connected to the inner wall of the peristaltic pump housing 21, and pressing wheels 26 symmetrically disposed at two ends of the rotating frame 25 and abutting against the conveying pipes 24, wherein one end of each conveying pipe 24 is communicated with the liquid suction switching member 22, and the other end is communicated with the liquid discharge switching member 23; the liquid discharging end of the liquid discharging switching part 23 is provided with a liquid discharging box 201 and a sampling box 202, the outer wall of the outer cover box 11 is provided with a sampling accommodating device 40 corresponding to the position of the sampling box 202, the liquid discharging switching part 23 comprises a positioning box 231 arranged on the outer wall of the peristaltic pump shell 21, a plurality of first liquid discharging holes 2311 and second liquid discharging holes 2312 penetrating through the outer wall of the positioning box 231, a plurality of liquid delivering sliding blocks 232 connected with the inner wall of the positioning box 231 in a sliding manner, two electromagnetic blocks 233 symmetrically embedded at the top and the bottom of the liquid delivering sliding blocks 232, and two magnetic blocks 234 symmetrically arranged in the positioning box 231 and positioned at the upper part and the lower part of the electromagnetic blocks 233, the liquid delivering sliding blocks 232 are communicated with the conveying pipe 24, the first liquid discharging holes 2311 are communicated with the liquid discharging box 201, the second liquid discharging holes 2312 are communicated with the sampling box 202, the liquid sucking switching part 22 and the liquid discharging switching part 23 are structurally identical, the outer wall of the positioning box 231 in the liquid sucking switching part 22 is provided with a suction box 221 and air 222, the device also comprises a back flushing component 27, wherein the back flushing component 27 comprises a first back flushing pipe 271 with one end communicated with the sampling box 202 and a second back flushing pipe 272 with one end communicated with the air box 222, and further comprises a suction liquid shooting component 28, and the suction liquid shooting component 28 comprises an outer cover plate 281 sleeved on the outer wall of the conveying pipe 24, one end of the outer cover plate is connected with the outer wall of the positioning box 231, the other end of the outer cover plate is connected with the outer wall of the peristaltic pump shell 21, and a camera 282 arranged in the outer cover plate 281.
It should be noted that, in this embodiment, when the peristaltic pump suction device 20 works, the executing end of the power device 30 drives the rotating frame 25 to rotate, the rotating frame 25 rotates to drive the pinch roller 26 to squeeze the conveying pipe 24, so as to generate a suction effect, and the faster the rotating speed of the rotating frame 25, the larger the suction amount in unit time;
during normal suction, intracranial fluid is discharged through suction needle tube 52, suction box 221, fluid-suction switching member 22, delivery tube 24, infusion slider 232, first drain hole 2311 and drain box 201;
when the flow rate is regulated by changing the number of the conveying pipes 24 in the working state, the liquid suction switching component 22 can switch the suction end of one or more conveying pipes 24 to be communicated with the air box 222, namely, can switch the conveying pipes 24 from the suction working state to the idle state;
during sampling, the liquid discharge switching part 23 switches the liquid discharge end of any one or more conveying pipes 24 to be communicated with the sampling box 202, so that the sampling work can be started;
When the suction ends of all the conveying pipes 24 are switched to be communicated with the air box 222, the valve of the air pipe on the air box 222 is closed, the backwash liquid supply system is opened, backwash liquid enters through the second backwash pipe 272 to perform backwash, and when the suction ends of all the conveying pipes 24 are switched to be communicated with the sampling box 202, the valve on the sampling pipe 41 is closed, and backwash liquid enters through the first backwash pipe 271 to perform backwash;
Further, the camera 282 may capture image information of the aspirant through the conduit and upload the image information to the controller;
Further, the working principle of the liquid suction switching member 22 is consistent with that of the liquid discharge switching member 23, and taking the operation of the liquid discharge switching member 23 as an example, the electromagnetic block 233 is electrified to generate attractive force opposite to the magnetic block 234 or repulsive force of the same polarity, and the infusion slider 232 moves under the action of the attractive force or repulsive force, so that the infusion slider 232 is communicated with the first liquid discharge hole 2311 or the second liquid discharge hole 2312, and when the infusion slider 232 is communicated with the second liquid discharge hole 2312, the infusion slider 232 body seals the first liquid discharge hole 2311.
Referring to fig. 3, 4, 8, 9, and 11, in another preferred embodiment of the present invention, the power device 30 includes a driving shaft 31 disposed on the base plate 10, and a plurality of variable speed adjusting members 32 disposed on the driving shaft 31, the variable speed adjusting members 32 are used for driving the rotating frame 25 to rotate, the variable speed adjusting members 32 include a first conical roller 321 sleeved on an outer wall of the driving shaft 31, one end of the variable speed adjusting members is connected to a second conical roller 322 of the rotating frame 25 through a connecting rod, a transmission belt 323 disposed between the first conical roller 321 and the second conical roller 322, and a stirring assembly 324 disposed on the base plate 10 and used for stirring the transmission belt 323, the first conical roller 321 and the second conical roller 322 are symmetrically disposed, the stirring assembly 324 includes a vertical plate 3241 disposed on the base plate 10, a linear module 3242 horizontally disposed on an outer wall of the vertical plate 3241, two stirring frames 3243 disposed on an executing end of the linear module 3242 and two stirring frames 3245 symmetrically disposed in the stirring frames 3243 and two transverse plates 3245 are disposed between the two transverse plates 3245 and the two stirring assemblies 3245 are abutted against the two transverse plates 3245.
It should be noted that, in this embodiment, when the power device 30 works, the motor executing end drives the speed reducer to work, the output end of the speed reducer drives the driving shaft 31 to rotate, the driving shaft 31 drives the first conical roller 321 to rotate, the first conical roller 321 drives the second conical roller 322 to rotate through the transmission belt 323, and the second conical roller 322 drives the rotating frame 25 to rotate;
Under the condition that the rotation speed of the driving shaft 31 is unchanged, the stirring assembly 324 can stir the transmission belt 323 to ensure that the diameter of the transmission belt 323 on the first conical roller 321 is increased, the diameter of the second conical roller 322 is reduced, the rotation speed of the second conical roller 322 is increased, otherwise, the diameter of the transmission belt 323 on the first conical roller 321 is reduced, the diameter of the second conical roller 322 is increased, and the rotation speed of the second conical roller 322 is reduced;
Further, when the stirring assembly 324 works, the actuating end of the linear module 3242 drives the stirring frame 3243 to move, and the stirring frame 3243 stirs the conveying belt 323 through the abutting wheel 3245.
The working principle of the invention is as follows:
The electrical components in the invention are triggered to run by the PLC;
After the craniocerebral knocking experiment is carried out on animals, the abnormal liquid in the craniocerebral needs to be sucked, the craniocerebral is fixed through the craniocerebral positioning device 60 after the craniocerebral is drilled, the execution end of the suction positioning device 50 enters the craniocerebral according to the set route, the vermicular pumping device 20 is started to perform suction work, when the animals are sucked, the power device 30 can accurately regulate the suction flow of the vermicular pumping devices 20 at the same time, and when the liquid discharge end of the vermicular pumping device 20 is switched to a sampling state, the sampling containing device 40 can store a suction liquid sample;
When the craniocerebral positioning device 60 works, the craniocerebral fixing ring 64 is covered outside the animal cranium manually, the positioning nails 65 are rotated, the positioning nails 65 are abutted against the cranium to be fixed, after the craniocerebral fixing ring 64 is installed at the executing end of the power motor 63, the animal body is arranged on the power turntable 61, the motor drives the power turntable 61 to rotate so as to drive the whole animal body to rotate, and the executing end of the power motor 63 drives the craniocerebral fixing ring 64 to rotate so as to drive the animal cranium to perform angle adjustment;
When the suction positioning device 50 works, the execution end of the mechanical arm 51 drives the suction needle tube 52 to move;
when the sampling and accommodating device 40 works, the executing end of the stepping motor 431 drives the rotating disc 432 to rotate, the rotating disc 432 drives the sample tubes 44 to pass through the sampling tubes 41 one by one, and the plurality of sample tubes 44 can respectively receive sample liquid discharged by the sampling tubes 41;
when the peristaltic pump suction device 20 works, the executing end of the power device 30 drives the rotating frame 25 to rotate, the rotating frame 25 rotates to drive the pinch roller 26 to squeeze the conveying pipe 24 so as to generate a suction effect, and the suction amount is larger in unit time when the rotating speed of the rotating frame 25 is faster;
during normal suction, intracranial fluid is discharged through suction needle tube 52, suction box 221, fluid-suction switching member 22, delivery tube 24, infusion slider 232, first drain hole 2311 and drain box 201;
when the flow rate is regulated by changing the number of the conveying pipes 24 in the working state, the liquid suction switching component 22 can switch the suction end of one or more conveying pipes 24 to be communicated with the air box 222, namely, can switch the conveying pipes 24 from the suction working state to the idle state;
during sampling, the liquid discharge switching part 23 switches the liquid discharge end of any one or more conveying pipes 24 to be communicated with the sampling box 202, so that the sampling work can be started;
When the suction ends of all the conveying pipes 24 are switched to be communicated with the air box 222, the valve of the air pipe on the air box 222 is closed, the backwash liquid supply system is opened, backwash liquid enters through the second backwash pipe 272 to perform backwash, and when the suction ends of all the conveying pipes 24 are switched to be communicated with the sampling box 202, the valve on the sampling pipe 41 is closed, and backwash liquid enters through the first backwash pipe 271 to perform backwash;
the camera 282 can capture image information of the aspirant through the conduit and upload the image information to the controller;
The working principle of the liquid suction switching component 22 is consistent with that of the liquid discharge switching component 23, taking the working of the liquid discharge switching component 23 as an example, the electromagnetic block 233 is electrified to generate attractive force opposite to the magnetic block 234 or repulsive force with the same polarity, the transfusion slider 232 moves under the action of the attractive force or repulsive force so that the transfusion slider 232 is communicated with the first liquid discharge hole 2311 or communicated with the second liquid discharge hole 2312, and when the transfusion slider 232 is communicated with the second liquid discharge hole 2312, the transfusion slider 232 body seals the first liquid discharge hole 2311;
when the power device 30 works, the motor executing end drives the speed reducer to work, the output end of the speed reducer drives the driving shaft 31 to rotate, the driving shaft 31 drives the first conical roller 321 to rotate, the first conical roller 321 drives the second conical roller 322 to rotate through the transmission belt 323, and the second conical roller 322 drives the rotating frame 25 to rotate;
Under the condition that the rotation speed of the driving shaft 31 is unchanged, the stirring assembly 324 can stir the transmission belt 323 to ensure that the diameter of the transmission belt 323 on the first conical roller 321 is increased, the diameter of the second conical roller 322 is reduced, the rotation speed of the second conical roller 322 is increased, otherwise, the diameter of the transmission belt 323 on the first conical roller 321 is reduced, the diameter of the second conical roller 322 is increased, and the rotation speed of the second conical roller 322 is reduced;
When the stirring assembly 324 works, the executing end of the linear module 3242 drives the stirring frame 3243 to move, and the stirring frame 3243 stirs the transmission belt 323 through the abutting wheel 3245.
Although embodiments of the invention have been shown and described, the detailed description is to be construed as exemplary only and is not limiting of the invention as the particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples, and modifications, substitutions, variations, etc. may be made in the embodiments as desired by those skilled in the art without departing from the principles and spirit of the invention, provided that such modifications are within the scope of the appended claims.
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202510740155.7A CN120242199A (en) | 2025-06-05 | 2025-06-05 | A craniotomy suction device for establishing a craniocerebral blast injury model |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202510740155.7A CN120242199A (en) | 2025-06-05 | 2025-06-05 | A craniotomy suction device for establishing a craniocerebral blast injury model |
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| CN120242199A true CN120242199A (en) | 2025-07-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202510740155.7A Pending CN120242199A (en) | 2025-06-05 | 2025-06-05 | A craniotomy suction device for establishing a craniocerebral blast injury model |
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| CN120078969A (en) * | 2025-04-08 | 2025-06-03 | 南京鼓楼医院 | An automatic extraction device for cerebrospinal fluid of mice in stereotactic experiments and its control system |
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