CN217133889U

CN217133889U - Automatic liquid supplementing spinal puncture human body simulation model

Info

Publication number: CN217133889U
Application number: CN202220450391.7U
Authority: CN
Inventors: 张潞; 张大新; 陶剑; 钱饼交; 史应萍; 毕之祺; 宁海涛; 李志国; 王志梅
Original assignee: Kunming Yin Technology Co ltd; Kunming University
Current assignee: Kunming Yin Technology Co ltd; Kunming University
Priority date: 2022-03-03
Filing date: 2022-03-03
Publication date: 2022-08-05
Anticipated expiration: 2032-03-03

Abstract

The utility model discloses a spinal puncture manikin with automatic fluid infusion, which comprises a workbench and a sitting posture simulation manikin fixed on the workbench, wherein the manikin utilizes a closed pressure-regulating type circulation automatic fluid infusion system to connect a fluid inlet, a vertebral model sac cavity, a fluid storage device and a fluid infusion tank in series through a delivery pipe, and an adjustable water pump is connected with the vertebral model sac cavity in parallel and is used for adjusting the circulation speed of simulation fluid in the vertebral model sac cavity and the fluid storage device; puncture holes are correspondingly formed in the correct puncture points of the vertebra, simulation skin is fixed on the outer surface of the correct puncture points so as to cover the puncture holes, and capsule cavities of the vertebra model are fixed in the model corresponding to the puncture holes; the vertebral model sac cavity, the liquid storage device and the liquid supplementing groove fixed on the operating platform are connected through a conveying pipe; this model supplies student's operation exercise to use, improves the actual operation level, has practiced thrift the time of changing the liquid device that holds, and convenient more personnel of waiting to train carry out the continuous operation exercise.

Description

Automatic liquid supplementing spinal puncture human body simulation model

Technical Field

The utility model relates to a spinal cord puncture teaching mode belongs to medical teaching field, concretely relates to automatic spinal cord puncture manikin of fluid infusion.

Background

Spinal puncture, namely lumbar puncture, or lumbar cisterna magna puncture in the technical name, aims to release cerebrospinal fluid through lumbar puncture or lumbar cisterna magna puncture, and then analyzes the components of the cerebrospinal fluid, such as whether infection, the infection degree, the white blood cell condition, the protein content and the like exist, so that diseases can be determined. For example, a patient with meningitis in neurology can be diagnosed definitely through the puncture of hydrocephalus. Therefore, puncture is a diagnosis and treatment means, and more is a diagnosis means. The neurosurgery can also be a treatment means, such as lumbar cisterna-abdominal cavity shunt, for example, after some major operations, a patient is heated, some bloody cerebrospinal fluid is released through lumbar puncture, and the cerebrospinal fluid is enabled to form new balance again, so that the neurosurgery is a treatment means; the spinal cord puncture is a medical means which is necessary to be mastered by doctors and requires the doctors to be skilled, but the doctors and students cannot be skilled in technical operation only by learning theoretical knowledge, and the practice on patients has certain danger, increases the pain of the patients and aggravates the tension of the doctors and patients. But current spinal cord puncture is being used the in-process can not be in more treat training personnel when operating quick continuous training that carries on, need carry out the change of reservoir, the time that needs to wait is longer, can't provide continuous exercise for the student to current vertebra puncture model can not simulate human body cerebrospinal fluid circulation in real time.

Disclosure of Invention

In order to solve the problem, make medical students can be skilled to master clinical operating skill and get into clinically again, the utility model provides an automatic spinal cord puncture manikin of fluid infusion supplies student's operation to practise the use, improves the actual operating level, improves clinical teaching environment, improves the teaching quality, cultivates outstanding medical talent.

In order to achieve the above purpose, the utility model adopts the technical proposal that:

the utility model provides an automatic spinal puncture manikin of fluid infusion, includes the workstation, fixes the spinal puncture manikin on the workstation, the spinal puncture manikin adopts airtight pressure regulating formula circulation automatic fluid infusion system, airtight pressure regulating formula circulation automatic fluid infusion system includes: the liquid inlet is communicated through a conveying pipe according to the flow direction of the simulation liquid and is sequentially provided with a pressure injection type check valve positioned in the liquid inlet direction at the liquid inlet, a model capsule cavity positioned behind the pressure injection type check valve, a liquid storage device, a liquid supplementing groove and an adjustable water pump; an input pipe and an output pipe are arranged at two ends of the adjustable water pump, the input pipe is connected with the liquid storage device, and the output pipe is connected with a conveying pipe in the liquid inlet direction of the model capsule cavity and is connected with the model capsule cavity in parallel; the backflow of the simulation liquid can be prevented through the pressure injection type check valve, and the adjustable water pump is used for adjusting the circulation speed of the simulation liquid between the model bladder cavity and the liquid storage device; the spinal cord puncture human body simulation model is provided with puncture holes corresponding to correct spinal cord puncture points, the human body model is of a hollow structure, simulation skin is fixed on the outer surface of the human body model to cover the puncture holes, a vertebral model capsule cavity is fixed in the model corresponding to the puncture holes, and simulation liquid is filled in the vertebral model capsule cavity; the vertebral model sacculus cavity is connected with a liquid storage device through a conveying pipe, and the liquid storage device is connected with a liquid supplementing groove fixed on the operating platform through the conveying pipe.

Further, the pressure injection type one-way valve comprises an inner layer, an opening formed in the inner layer and an outer layer elastic baffle belt covering the opening; the opening comprises at least one, and each opening covers the elastic baffle belt.

Furthermore, the spinal cord puncture human body simulation model adopts a sitting posture, the back is slightly arched, the simulated lumbar vertebrae is arranged at the waist of the simulation human body puncture model, and a vertebral model sac cavity is arranged in the simulation human body puncture model.

Further, the workstation includes operation panel, operation panel and mobile device, install the spinal cord puncture manikin of position of sitting on the operation panel, the conveyer pipe of the spinal cord puncture manikin of this position of sitting extends from the buttock and is fixed in inlet and fluid infusion mouth position on the operation panel respectively, and the conveyer pipe that has the pressure injection formula check valve is installed to the inlet position, mobile device is for installing four at least universal wheels at workstation bottom edge all around respectively, and the universal wheel is furnished with fixing device.

Furthermore, the liquid inlet is positioned on the operating table panel and is connected with the vertebral model balloon cavity through a conveying pipe, and a pressure injection type one-way valve from the liquid inlet to the vertebral model balloon cavity is arranged in the conveying pipe at the position of the liquid inlet.

Further, a normally open solenoid valve is installed in a conveying pipe between the liquid storage device and the liquid supplementing tank, a second check valve in the direction from the liquid supplementing tank to the liquid storage device is installed in parallel with the solenoid valve, and the normally open solenoid valve is controlled by a starting key on an operation panel.

Furthermore, the liquid storage device of the spinal puncture manikin is fixed inside the manikin and is provided with two conveying pipes, one conveying pipe is connected with a vertebral model sac cavity, and the other conveying pipe is connected with a liquid supplementing groove.

Further, the liquid supplementing tank is provided with an air inlet for maintaining constant-pressure liquid supplementing of the system, and the air inlet can also be used as a liquid adding port of the liquid supplementing tank.

Furthermore, the liquid supplementing groove is made of transparent materials, so that residual simulation liquid in the liquid storage device can be observed conveniently.

The utility model discloses a theory of operation introduces: a spinal puncture human body simulation model with automatic liquid supplementing function is characterized in that a pressure injection type one-way valve of a liquid inlet pipeline on an operation panel is used for filling simulation liquid into the model, the simulation liquid props an elastic baffle belt from an opening of the pressure injection type one-way valve, the baffle belt at the front end of the elastic baffle belt flows to a conveying pipe and sequentially fills a thoracic puncture model sac cavity and a liquid storage device, then an electromagnetic valve is frequently opened to enter a liquid supplementing tank until the simulation liquid fills the liquid supplementing tank or the simulation liquid enters the liquid supplementing tank, a liquid inlet (namely a liquid adding port) is used for adding the simulation liquid, a starting key on a control panel is started after the filling is finished to connect a power supply to close a normally open electromagnetic valve, the circulation speed of the simulation liquid between the vertebral model sac cavity and the liquid storage device is adjusted through an adjustable water pump, the simulation liquid in the vertebral model sac cavity is outwards extracted by using a puncture needle at the moment, negative pressure is formed between the vertebral model sac cavity and the liquid storage device, the pressure is lower than the liquid supplementing tank, the second check valve is automatically opened, the simulation liquid in the liquid supplementing tank automatically flows to the liquid storage device and the vertebral model sac cavity, and the liquid circulation flow rate pressure between the vertebral model sac cavity and the liquid storage device can be freely adjusted through the adjustable water pump.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) the liquid in the cavity of the model bag is an automatic liquid supplementing system, so that the operation steps are simplified;

(2) the pressure injection type one-way valve is used for injecting liquid for the first time, so that pressure imbalance caused by air inlet of a model capsule cavity due to backflow and reverse pumping of simulation liquid can be effectively avoided;

(3) the continuous automatic fluid infusion is convenient for students to carry out continuous puncture practice or examination;

(4) the adjustable water pump is used for adjusting the circulating flow rate, so that the circulation of cerebrospinal fluid in a human body is simulated, and the simulation is more real.

Drawings

FIG. 1 is a flow chart of the automatic fluid infusion system of the spinal cord puncture manikin of the present invention;

FIG. 2 is a schematic view of the working state of the pressure-injection check valve for the inlet of the automatic fluid infusion spinal cord puncture manikin of the present invention;

FIG. 3 is a schematic view showing the state of a pressure-injection check valve for a liquid inlet of the automatic liquid-supplementing spinal cord puncture manikin of the present invention;

FIG. 4 is a front view of the spinal cord puncture manikin of the present invention;

FIG. 5 is a side view of the spinal cord puncture manikin of the present invention with automatic fluid infusion;

fig. 6 is a working table of the spinal puncture manikin of the utility model for automatic fluid infusion.

Wherein, 1 to liquid inlet; 2-pressure injection type one-way valve; 3-a model capsule cavity; 4-liquid storage device; 5-liquid supplementing tank; 6-normally open electromagnetic valve; 7-a second one-way valve; (ii) a 8, conveying the pipe; 9-adjustable water pump; 10-opening; 11-elastic baffle belt; 12-a belt blocking outlet; 13-spinal puncture human body simulation model; 14-a workbench; 15-operation table; 16-operation panel; 17-a moving device; 18-a fixing device; 19-start key.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

Example 1: as shown in figure 1, a closed constant pressure type circulating automatic fluid infusion system comprises a fluid inlet 1, a vertebral model cavity 3, an adjustable water pump 9, a fluid storage device 4 and a fluid infusion tank 5, wherein a pressure injection type check valve 2 of the fluid inlet 1 is filled with simulation fluid, the simulation fluid props an opening elastic baffle belt 11 covered from an opening 10 of the pressure injection type check valve 2, flows to a delivery pipe 8 through a baffle belt outlet 12 at the front end of the elastic baffle belt 11, and is filled with the vertebral model cavity 3 and the fluid storage device 4 in sequence, then a solenoid valve 6 is opened frequently to enter the fluid infusion tank 5 until the simulation fluid is filled with the fluid infusion tank 5 or the simulation fluid enters the fluid infusion tank, the simulation fluid is added through a fluid inlet (the fluid inlet), a starting key 19 is started after the fluid infusion is finished to be communicated with a power supply to close the solenoid valve 6, the adjustable water pump 9 is adjusted, the circulating speed of the simulation fluid in the fluid infusion tank 5 and the vertebral model cavity 3 is changed, and puncture teaching or examination is carried out, liquid in the vertebral model sac cavity 3 is extracted outwards, negative pressure is formed in the sac cavity, pressure difference is formed between the liquid storage device 4 and the liquid supplementing groove 5, the simulation liquid flows from the liquid supplementing groove 5 to the liquid storage device 4 through the second one-way valve 7 and then flows to the vertebral model sac cavity 3, automatic liquid supplementing is formed, and at the moment, the whole system is in a constant pressure state.

Example 2: an application of a closed pressure-regulating type circulating automatic fluid infusion system in a spinal cord puncture human body simulation model.

A spinal puncture human body simulation model with automatic fluid infusion comprises a workbench 14 and a sitting posture simulation human body puncture model 13 fixed on the workbench 14, wherein the spinal puncture human body simulation model adopts a closed pressure-regulating type circulating automatic fluid infusion system, a fluid inlet 1, a spinal model sac cavity 3, a fluid storage device 4 and a fluid infusion tank 5 are connected in series through a delivery pipe 8, an adjustable water pump 9 and the spinal model sac cavity 3 are connected in parallel through the delivery pipe, a pressure-injection type check valve 2 is installed at the fluid inlet 1, the pressure-injection type check valve 2 comprises an inner layer, an opening 10 formed in the inner layer and an outer layer elastic baffle belt 11 covering the opening 10, and simulation fluid flows to the delivery pipe 8 through a baffle belt outlet 12 at the front end of the elastic baffle belt 11 and then enters the spinal model sac cavity 3; the circulation speed of the simulation liquid between the vertebral model capsule cavity 3 and the liquid storage device 4 is adjusted through the adjustable water pump 9; the spinal cord puncture human body simulation model is provided with puncture holes corresponding to correct spinal cord puncture points, the human body model is of a hollow structure, simulation skin is fixed on the outer surface of the human body model to cover the puncture holes, a vertebral model capsule cavity 3 is fixed in the model corresponding to the puncture holes, and simulation liquid is filled in the capsule cavity; the puncture position is the back waist position, the puncture point is generally connected with the posterior superior pole of the two iliacs, the puncture needle head should sequentially pass through the skin, the subcutaneous tissue, the supraspinalis ligament, the interspinous ligament between the spinous processes, the ligamentum flavum and the epidural space, and the falling feeling of the resistance suddenly disappears can be felt when the needle head passes through the ligament and the dura mater. Adult in the third or fourth lumbar intervertebral space, newborn, in the third or fourth lumbar intervertebral space; the capsule cavity is connected with a liquid storage device 4 through a conveying pipe 8, the liquid storage device 4 is connected with a liquid supplementing tank 5 fixed on an operation table 15 through the conveying pipe 8, an adjustable water pump 9 is additionally arranged between the capsule cavity and the liquid storage device 4, and in a working state, liquid is accelerated to flow circularly between the liquid storage device 4 and the vertebral model capsule cavity 3 under the action of the adjustable water pump 9 after being electrified, so that the condition of human body spinal cord liquid accumulation is simulated; start 19 intercommunication power of start key and close the solenoid valve, adjust adjustable water pump 9 simulation spinal cord inner product liquid circulation, use the pjncture needle to carry out puncture training study on the model, extract the interior simulation liquid of spinal cord puncture vertebra model cyst chamber 3, the cyst intracavity forms the negative pressure this moment, with holding liquid device 4, fluid infusion groove 5 formation pressure differential, second check valve 7 is automatic to be opened, simulation liquid rethread second check valve 7 is by fluid infusion groove 5 flow direction hold liquid device 4 and flow to vertebra model cyst chamber 3 again, form automatic fluid infusion, the simulation liquid mechanism of flowing is: liquid supplementing groove 5 → second one-way valve 7 → liquid storing device 4 → adjustable water pump 9 → vertebral model capsule cavity 3 → liquid pumping tube.

It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.

Claims

1. The utility model provides an automatic spinal puncture manikin of fluid infusion which characterized in that, includes workstation (14), fixes spinal puncture manikin (13) on workstation (14), spinal puncture manikin adopts airtight pressure regulating formula circulation automatic fluid infusion system, airtight pressure regulating formula circulation automatic fluid infusion system includes: the device comprises a liquid inlet (1), a pressure injection type one-way valve (2) which is communicated through a conveying pipe (8) according to the flowing direction of the simulation liquid and is arranged in the liquid inlet direction of the liquid inlet (1), a model capsule cavity (3) which is arranged behind the pressure injection type one-way valve (2), a liquid storage device (4), a liquid supplementing groove (5) and an adjustable water pump (9); an input pipe and an output pipe are arranged at two ends of the adjustable water pump (9), the input pipe is connected with the liquid storage device (4), and the output pipe is connected with a conveying pipe (8) in the liquid inlet direction of the model capsule cavity (3) and is connected with the model capsule cavity (3) in parallel; the backflow of the simulation liquid can be prevented through the pressure filling type check valve (2), and the adjustable water pump (9) is used for adjusting the circulation speed of the simulation liquid between the model capsule cavity (3) and the liquid storage device (4); the spinal cord puncture human body simulation model is provided with puncture holes corresponding to correct spinal cord puncture points, the human body model is of a hollow structure, simulation skin is fixed on the outer surface of the human body model to cover the puncture holes, a vertebral model capsule cavity (3) is fixed in the model corresponding to the puncture holes, and simulation liquid is filled in the vertebral model capsule cavity (3); the vertebral model sacculus (3) is connected with the liquid storage device (4) through a conveying pipe (8), and the liquid storage device (4) is connected with a liquid supplementing groove (5) fixed on an operation table (15) through the conveying pipe (8).

2. The automatic fluid infusion spinal cord puncture manikin according to claim 1, wherein said pressure injection type check valve (2) comprises an inner layer, an opening (10) opened on the inner layer and an outer layer elastic barrier belt (11) covering the opening (10); the openings (10) comprise at least one, and each opening (10) covers an elastic baffle belt.

3. The automatic fluid infusion spinal cord puncture manikin according to claim 1, wherein the spinal cord puncture manikin (13) adopts a sitting posture, the back is slightly arched, the simulated lumbar vertebrae are placed at the waist of the simulated manikin, and the vertebral model capsule cavity (3) is arranged inside.

4. The automatic fluid infusion spinal cord puncture manikin according to claim 1, wherein the workbench (14) comprises a workbench (15), a workbench panel (16) and a moving device (17), the workbench (15) is provided with the spinal cord puncture manikin (13) in a sitting posture, a delivery pipe (8) of the spinal cord puncture manikin (13) in the sitting posture extends from the buttocks and is respectively fixed at a fluid inlet and a fluid infusion port on the workbench panel, the fluid inlet is provided with the delivery pipe with the pressure injection type one-way valve, the moving device (17) is at least four universal wheels respectively arranged at the periphery of the bottom of the workbench (14), and the universal wheels are provided with the fixing devices (18).

5. The automatic liquid-supplementing spinal cord puncture human body simulation model according to claim 1, wherein the liquid inlet (1) is located on an operation table panel (16) and is connected with the vertebral model capsule cavity (3) through a delivery pipe (8), and a pressure injection type check valve (2) from the liquid inlet to the vertebral model capsule cavity (3) is installed in the delivery pipe (8) at the liquid inlet (1).

6. The automatic fluid infusion spinal cord puncture manikin according to claim 1, wherein a normally open solenoid valve (6) is installed in the delivery pipe (8) between the fluid storage device (4) and the fluid infusion tank (5), a second check valve (7) in the direction from the fluid infusion tank (5) to the fluid storage device (4) is installed in parallel with the solenoid valve, and the normally open solenoid valve (6) is controlled by a start key (19) on the operation panel (16).

7. The manikin for spinal cord puncture with automatic fluid infusion according to claim 1, wherein the fluid reservoir means (4) of the manikin for spinal cord puncture (13) is fixed inside the manikin and is equipped with two delivery tubes (8), one delivery tube (8) is connected to the spinal model cavity (3) and the other is connected to the fluid infusion tank (5).

8. The spinal cord puncture manikin with automatic fluid infusion according to claim 1, wherein the fluid infusion tank (5) is provided with an air inlet for maintaining constant pressure fluid infusion of the system, and the air inlet can also be used as a fluid adding port of the fluid infusion tank (5).

9. The manikin for spinal cord puncture with automatic fluid infusion according to claim 1, wherein the fluid infusion tank (5) is made of transparent material to facilitate observation of the remaining simulation fluid in the fluid storage device (4).