CN212906741U

CN212906741U - Simulated injection system

Info

Publication number: CN212906741U
Application number: CN201721912107.9U
Authority: CN
Inventors: 王尧
Original assignee: Yingkou Guidongmedicalapparatus Co ltd
Current assignee: Yingkou Guidongmedicalapparatus Co ltd
Priority date: 2017-12-30
Filing date: 2017-12-30
Publication date: 2021-04-06
Anticipated expiration: 2027-12-30

Abstract

The utility model relates to a medical teaching equipment technical field, a simulation injection system, it includes: simulation training syringe, the multiple injection training high simulation manikin of electronic monitoring, microcomputer monitor controller, simulation training syringe be that the thin injection syringe needle head of needle point shutoff connects on the syringe nipple, the inseparable sliding fit of rubber piston head and syringe urceolus, the initial part that leads to liquid joint, connection that link up the rubber piston head establishes between piston push-and-pull rod and syringe urceolus, this leads to liquid pipe rear portion and passes the liquid storage-metering cylinder of regulator and microcomputer monitor controller panel one side and be connected, the utility model has the advantages that: the device can generate sense of reality of sucking and injecting liquid medicine, avoid faults and peculiar smell caused by liquid injection and automatically give an audible-visual alarm when the needle is inserted wrongly, and has the advantages of very vivid simulation training effect, remarkably improving the training effect of puncture injection skills, greatly saving the purchase cost of equipment and saving the trouble of collection and storage.

Description

Simulated injection system

Technical Field

The utility model relates to a medical teaching equipment technical field, exactly a simulation injection system.

Background

In medical education, the traditional intramuscular injection, peripheral intravenous injection, central intravenous injection and arterial injection, various block anesthetics and closed therapies are required to be performed on more than ten models for skill training of various joint injections, so that the expenditure for purchasing equipment is increased, a large space is required for storage, the storage is very troublesome, sensors or conductive electrodes such as metal nets, conductive cloth and conductive rubber with correct or wrong needles are usually arranged at injection or block anesthetics, and the injected liquid medicine is prone to short circuit and faults. The liquid medicine injected for many times is difficult to store, contain and collect, can deteriorate after a long time to generate peculiar smell, if the liquid is not pumped in the injector during training, the liquid is not vivid necessarily, and the training effect is seriously influenced.

Disclosure of Invention

The utility model aims to provide a simulation teaching system with simple structure and vivid effect, which can simulate various muscles, intravenous injection, multiple block anesthesia and closed therapy, the skill training of multiple joint injections is carried out on a whole body simulation model person or a split high simulation model of each injection part, the skill training and assessment effects are obviously improved, the needle can be replaced when the local skin is damaged after puncture and needle insertion for multiple times, the equipment cost is saved, the troubles of collecting and keeping a plurality of models are reduced, the sense of reality of simulating the suction and injection of liquid medicine on a training site can be generated during injection, the learning interest of students is improved, the abnormal smell generated by the deterioration of injection liquid and the fault caused by the contact with the internal circuit of the model can be avoided, the sound-light display is automatically and electronically monitored when the injection part and the depth are correct, the injection can be prompted, and the speed and the injection amount of the medicine can be observed through a liquid.

The achievement solves the defects that a plurality of models and a common injector are needed when injection simulation training is carried out in medical education, can be automatically and electronically monitored, and is a simulation injection system with perfect function, convenient operation and reliable performance.

A simulated injection system comprising: simulation training syringe, artificial manikin, microcomputer monitor controller, its characterized in that: the simulated training syringe is characterized in that a thin injection needle (1) with a blocked needle point is connected to a syringe nipple (2), a rubber piston head (3) is in close sliding fit with a syringe outer cylinder (4), a liquid through joint (5) penetrating through the rubber piston head (3) and an initial part (6-1) connected with a liquid through pipe are arranged between a piston push-pull rod (7) and the syringe outer cylinder (4), and the rear part (6-2) of the liquid through pipe passes through a regulator (8) to be connected with a liquid storage-metering cylinder (10) on one side of a microcomputer monitoring controller panel (9); the intramuscular injection site of the simulated human body model (11) comprises: deltoid muscle (12), gluteus muscle (13), and vastus lateralis muscle (14); the peripheral intravenous injection sites include: the central intravenous injection part of the basilic vein (15), the cephalic vein (16), the median elbow vein (17), the median forearm vein (18), the dorsal hand vein (19) and the ankle vein (20) comprises: an internal jugular vein (21), a subclavian vein (22); above various vein blood vessel input one end shutoff, intraductal being full of the electrically conductive silver thick liquid of soft paste (YJ), the accurate position electrode of inserting needle (A) of vein is sealed with metal with gluing to backward flow one end, above various vein both sides or deep can be with electrically conductive rubber, metal mesh or electrically conductive cloth preparation vein mistake insert needle position electrode (B), nerve block injection position includes: cervical plexus nerve (23), brachial plexus nerve (24), lumbar sympathetic ganglion (25), sciatic nerve (26), etc.; the joint injection site includes: a shoulder joint (27), an elbow joint (28), a wrist joint (29), a hip joint (30), a knee joint (31), and an ankle joint (32); the correct standard injection part is provided with a vein correct needle inserting part electrode (A), and a vein wrong needle inserting part electrode (B) is arranged at a position 1mm away from the periphery of the correct injection part or at a position with a depth exceeding a specified range, namely the wrong needle inserting part, and can be made of conductive rubber, metal mesh or conductive cloth; all electrodes (A) at the correct needle inserting positions of the veins and electrodes at the wrong needle inserting positions of the veins, wherein the outer layer is a simulated subcutaneous tissue (33), and the outer layer is a public electrode III (C) which is formed by sticking a layer of conductive cloth as an injection position on the inner layer of local simulated skin (PF); all electrodes of each muscle, vein, nerve and joint injection part comprise a vein correct needle insertion part electrode (A), a vein wrong needle insertion part electrode (B) and a common electrode III (C) which are respectively connected with a lead (DX), and a plurality of leads (DX) are connected in parallel and are connected with a cable socket (36) of a microcomputer monitoring controller panel (9) through a cable (34) and a plug (35) thereof; the model is provided with a standby skin (PP) at a local needle insertion part, and the structure of the standby skin is that a layer of conductive cloth with larger diameter is adhered to the inner layer of the simulated skin of a round simulated skin (PF), and a small section of lead (DX) is connected on the conductive cloth; the microcomputer monitoring controller panel (9) is provided with a power switch (K1) and an indicator light L1 thereof, a voice switch (K2) and an indicator light L2 thereof, a green light emitting diode (L3) for indicating correct needle insertion, a red light emitting diode (L4) for indicating wrong needle insertion, and a cable socket (36) and a controller case (37) are internally provided with a rectifying power supply (DC), a voice prompt module I (IC-1), a voice prompt module II (IC-2) and a loudspeaker.

The utility model has the advantages that: the simulated training injector has simple structure, easy manufacture, vivid simulation and complete function; the correct automatic sound-light display of the injection needle insertion position and depth, the hand feeling of the medicine extraction and the medicine liquid injection is vivid, the simulation training of the puncture injection of more than 20 positions can be completed on a human body simulation model, the local skin can be replaced, the utilization rate of the model can be greatly improved, the expenditure can be saved, the trouble of model management can be reduced, and the training and the checking effects of various puncture injection skills can be obviously improved.

The invention is further described below with reference to the accompanying drawings:

description of the drawings:

FIG. 1 is the overall structure diagram of the present invention

FIG. 2 is a schematic diagram of the case of the simulation training injector and the microcomputer controller of the present invention

FIG. 3 shows the positive intention of the injection site of the present invention

FIG. 4 shows the back intention of the injection site of the human body

FIG. 5 is a schematic view of the structure of the injection site of the vascular nerve of the present invention

FIG. 6 is a schematic view of the structure of the joint injection site of the present invention

FIG. 7-1 is the electric appliance control schematic diagram of the present invention

FIG. 7-2 is a schematic view showing the connection between the conductive cloth and the conductive wire

FIG. 7-3 is a schematic structural view of a monitoring device for venous vessel puncture

The specific implementation mode is as follows:

the needle point of a common thinner syringe needle (1) is blocked by glue such as 502 and the like and is installed on a plastic syringe nipple (2), a rubber piston head (3) in a syringe needle outer cylinder (4) penetrates a small hole and is provided with a thinner liquid-passing joint pipe (5), a connecting pipe initial section (6-1) is arranged between a piston push-pull rod (7) and the syringe needle cylinder, the rest liquid-passing pipe (6-2) penetrates a regulator (8) for regulating injection resistance and is then connected with a liquid storage metering cylinder (10), the skin, subcutaneous tissue, muscle and the like of a simulated human body model are made of soft silica gel/plastic, human skeleton is molded by a plastic mold, an electrode (B) at the wrong conductive needle-entering part of the vein of an electrode (A) at the correct vein-entering part is made of conductive rubber, metal mesh and cloth, and a simulated vein vessel (XG) made of latex material is filled with conductive silver paste (YJ), one end of the needle is blocked, the other end of the needle is blocked by a metal material and is used as an electrode (A) of a correct vein needle insertion part, various electrodes are arranged at the muscle, vein, nerve block/joint injection part of a human body model and the corresponding parts around the injection part, other parts are sold in the market, various parts are prepared and can be used after being assembled according to the attached drawings, when the needle is used, a liquid storage metering cylinder (10) is placed at one side of a microcomputer monitoring controller case (36) and is filled with simulation liquid medicine, a thin injection needle head (1) with a needle point blocked is connected to a syringe nipple (2), a piston push-pull rod (7) handle of the syringe is pulled, negative pressure is generated between a rubber piston head (3) and the bottom of the syringe needle cylinder (4), the simulation liquid medicine in the liquid storage metering cylinder (10) is sucked by the negative pressure in the syringe, and is gradually sucked into the syringe needle cylinder (4), the selected part is punctured and inserted by an injector full of simulation liquid medicine, because the correct and standard injection part is provided with a vein correct insertion part electrode (A), the wrong insertion part electrode (B) of the vein is arranged at the wrong insertion part, the outer layers of all the vein correct insertion part electrodes (A) and the wrong insertion part electrodes (B) of the vein are simulated subcutaneous tissues (33), and the outer layer is a public electrode III (C) which is formed by sticking a layer of conductive cloth on the inner layer of local simulated skin (PF) and is used as the injection part; all electrodes of each muscle, vein, nerve and joint injection part comprise a vein correct needle insertion part electrode (A), a vein wrong needle insertion part electrode (B) and a common electrode three (C) which are respectively connected with a conducting wire (DX), if the puncture is correct or wrong, a needle head can penetrate through the common electrode three (C) of the joint injection part and the related vein correct needle insertion part electrode (A), the vein wrong needle insertion part electrode (B) of the vein, the conducting wire (DX), a cable (34) and a plug (35) thereof and a socket (36) are conducted to corresponding light emitting diodes to emit light, and a voice module I (IC-1)/a voice module II (IC-2) and a loudspeaker (Y) in a controller case (37) are conducted to emit voice prompt tones. The position or depth of the needle is wrong or the vein puncture is too deep to puncture the blood vessel, the light emitting diode emits red light, and simultaneously, the automatic voice alarm prompts: wrong needle insertion site! Prompting an operator to correct the error and re-puncture, if the puncture position and the depth are correct, emitting green light by the light emitting diode, and simultaneously prompting by voice: the needle is inserted correctly, at the moment, the handle of the push-pull rod (7) of the injector can be pushed, the simulated liquid medicine in the syringe cylinder (4) is extruded out of the syringe cylinder (4) through the rubber piston head (4) under the action of positive pressure generated by the pushing force, the simulated liquid medicine gradually flows back to the liquid storage metering cylinder (10), the whole process of the liquid medicine injection speed and the medicine injection amount can be observed, the medicine pumping and injection process with vivid hand feeling is realized, and the learning interest of students is greatly improved; the resistance of medicine suction or injection can be adjusted through the adjuster (8) to simulate the resistance of needles with different thicknesses; the injection part does not have a liquid medicine contact electrode or a sensor, so that circuit faults can not occur, peculiar smell can not be generated due to the deterioration of the liquid medicine, after a long-term injection skill training for a plurality of times, when the injection part is punctured and damaged and seriously unusable, a circular hole opener with proper size can be used for removing the local damaged circular skin, and the conductive cloth at the hole edge is reliably welded with the conductive cloth lead (DX) adhered to the standby leather sheet (PP) through the lead; and then, a standby leather sheet (PP) and conductive cloth pasted with the standby leather sheet (PP) are placed in the hole left after the damaged skin is removed, and the diameter of the conductive cloth is larger than that of the leather sheet, and the larger part of the conductive cloth is clamped between the simulated skin and subcutaneous tissues fixed at the edge of the hole, so that the leather sheet can not fall off even if the leather sheet is not pasted with the conductive cloth. After replacement of the spare skin (PP), the model can be reused.

Claims

1. A simulated injection system comprising: simulation training syringe, artificial manikin, microcomputer monitor controller, its characterized in that: the simulated training syringe is characterized in that a thin injection needle (1) with a blocked needle point is connected to a syringe nipple (2), a rubber piston head (3) is in close sliding fit with a syringe outer cylinder (4), a liquid through joint (5) penetrating through the rubber piston head (3) and an initial part (6-1) connected with a liquid through pipe are arranged between a piston push-pull rod (7) and the syringe outer cylinder (4), and the rear part (6-2) of the liquid through pipe passes through a regulator (8) to be connected with a liquid storage-metering cylinder (10) on one side of a microcomputer monitoring controller panel (9); the intramuscular injection site of the simulated human body model (11) comprises: deltoid muscle (12), gluteus muscle (13), and vastus lateralis muscle (14); the peripheral intravenous injection sites include: the central intravenous injection part of the basilic vein (15), the cephalic vein (16), the median elbow vein (17), the median forearm vein (18), the dorsal hand vein (19) and the ankle vein (20) comprises: an internal jugular vein (21), a subclavian vein (22); above various vein blood vessel input one end shutoff, intraductal being full of the electrically conductive silver thick liquid of soft paste (YJ), the accurate position electrode of inserting needle (A) of vein is sealed with metal with gluing to backward flow one end, above various vein both sides or deep can be with electrically conductive rubber, metal mesh or electrically conductive cloth preparation vein mistake insert needle position electrode (B), nerve block injection position includes: a cervical plexus nerve (23), an brachial plexus nerve (24), a lumbar sympathetic ganglion (25), and a sciatic nerve (26); the joint injection site includes: a shoulder joint (27), an elbow joint (28), a wrist joint (29), a hip joint (30), a knee joint (31), and an ankle joint (32); the standard injection part is provided with a vein correct needle insertion part electrode (A), and an incorrect needle insertion part electrode (B) of a vein of the joint injection part is arranged at a position 1mm away from the periphery of the part or at a depth exceeding a specified range and can be made of conductive rubber, metal mesh or conductive cloth; all vein correct needle insertion position electrodes (A) and vein wrong needle insertion position electrodes (B), the outer layer is a simulated subcutaneous tissue (33), local simulated skin (PF) is arranged outside the outer layer, a layer of conductive cloth is pasted on the inner layer to be used as a common electrode, namely a common electrode III (C), the wrong needle insertion position electrodes (A) of each muscle, nerve, joint and vein, the wrong needle insertion position electrodes (B) of each muscle, nerve, joint and vein and the common electrode III (C) are respectively connected with a lead (DX), a plurality of leads (DX) are connected in parallel, and the wrong needle insertion position electrodes (B) and the common electrode III are connected with a cable socket (36) of a microcomputer monitoring controller panel (9) through a cable (34) and a plug (35; the model is provided with a standby skin (PP) at a local needle insertion part, the structure of the model is a round simulated skin, a layer of conductive cloth with a larger diameter is adhered to the inner layer of the simulated skin, and a small section of conducting wire (DX) is connected to the conductive cloth.

2. A simulated injection system as claimed in claim 1, wherein: the microcomputer monitoring controller panel (9) is provided with a power switch (K1) and an indicator light L1 thereof, a voice switch (K2) and an indicator light L2 thereof, a green light emitting diode (L3) for indicating correct needle insertion, a red light emitting diode (L4) for indicating wrong needle insertion and a cable wire socket (36), and a rectifying power supply (DC), a voice prompt module I (IC-1), a voice prompt module II (IC-2) and a loudspeaker (Y) are arranged in the microcomputer monitoring controller case (37).