CN209895640U - Arm venipuncture training model - Google Patents

Abstract

The utility model relates to a medical education equipment field, it includes: high-simulation arm model, vein automatic fluorescence imaging device, microcomputer controller, and full-automatic blood circulation simulation device. The method is characterized in that: the high-simulation arm model is provided with a simulated skin, a simulated subcutaneous soft tissue, a simulated vein blood input pipe, veins of the arm and the back of the hand and a simulated blood return pipe, a fluorescent vein blood vessel made of purple red and other color fluorescent materials is arranged below the simulated vein of the puncture part, and is connected with a microcomputer controller and a full-automatic blood circulation simulation device. Diameter ultraviolet lamp beads are arranged below centers accurately corresponding to the puncture positions and are respectively connected with power lines in parallel, the power switch is turned on, the puncture positions are subjected to automatic vein fluorescence imaging, operators puncture under the guidance of imaging, the success rate of vein puncture is greatly improved, and the ultraviolet lamp beads are used for skill training of vein puncture in medical institutions and teaching hospitals and downloading through teaching effects.

Description

Arm venipuncture training model

Technical Field

The invention relates to the technical field of medical education equipment, in particular to an arm venipuncture training model.

Background

In the clinical care teaching of medical education in recent years, venipuncture belongs to invasive operation technique, it is very difficult to patient's venipuncture such as obesity, children, bad blood circulation, consequently developed vein imaging instrument in the coming year, CN201520172250.0 utility model vein imaging instrument, the novel vein imaging instrument of CN201520942877.2, it makes the blood vessel that can not see clearly to shine on puncture vein surface, and make the puncture success easily, but can only puncture for the real person, can not show for the model puncture, the training of present venipuncture skill adopts arm venipuncture model to teach. However, the venipuncture arm model of prior art preparation, utility model CN201520299172.3 a simulation arm for venipuncture practice, utility model CN201220128077 an arm venipuncture model all lacks the vein imaging function, the success rate of venipuncture difficult to seeing not touch the puncture is not high, in addition, the current venipuncture model still has the defects of low automation degree, troublesome replacement of blood vessel and skin, short service life and the like.

Disclosure of Invention

The invention aims to provide an arm venipuncture training model, which automatically generates venous blood circulation, and an indicator light automatically lights up when a tourniquet is pricked before venipuncture, so that a blood vessel which cannot be seen clearly is accurately and clearly imaged to display veins by opening a 'imaging' switch like a real person is punctured by a vein imaging instrument, the success rate of venipuncture is obviously improved, a beginner can learn conveniently, the confidence of learning a venipuncture technology is enhanced, the indicator light automatically lights up when the puncture is correct, and blood backflow can be simulated visually.

The achievement solves the problems that the existing arm venipuncture model can not carry out vein imaging, has poor automation degree and low success rate of invisible and untouchable venipuncture, and is an arm venipuncture training model initiated in the world.

An arm venipuncture training model, comprising: high emulation arm model, the automatic fluorescence imaging device of vein, microcomputer control ware, full-automatic blood circulation analogue means, its characterized in that: the high simulation arm model (1) is provided with a simulation skin (PF), a simulation subcutaneous soft tissue (PX), a simulation vein blood input tube (2-1) is connected with three veins (V1, V2 and V3) through a four-way shunt tube (3) and is embedded in a sponge simulation subcutaneous tissue (P) vein groove (AC) of the arm, the back of a hand of the model is provided with a groove with a small outside and a large inside, 3 modules (4) with a large outside and a small inside are embedded in the back of the hand of the model, and the proximal end of the model is connected with the telecentric ends of the three arm veins through upper connectors (J T) arranged on the upper groove edge and the lower groove edge of the vein groove; three hand back veins (V4, V5 and V6) of the module are connected with a joint (J T), the joint is rotated to the deep part of a palm through the roots of fingers and is rotated to three veins (V4, V5 and V6) of the back of the hand through the roots of the fingers after being connected with a hand back puncture module (MK-1) through the joint, a first set four-way pipe (5-1) arranged through the joint (J T) penetrates out of the proximal end of the module, the first set four-way pipe is connected into a vein blood vessel (V7) after being set through a set end and is also embedded in a corresponding vein groove, a simulated vein blood return pipe (2-2) is formed by penetrating the deep part of subcutaneous soft tissue (P) of a high simulation arm model (1) from the deep part of subcutaneous tissue (P) of the high simulation arm model (1) through the deep part of the subcutaneous soft tissue (P) of the high simulation arm model (1) and from the common axillary side (6), and sleeve-shaped length is 8, A sleeve-shaped simulated skin (PF) with the thickness of 2-3mm is sleeved in a shallow groove (AC) with corresponding length and depth, fluorescent vein blood vessels (V-1, V-2, V-3 and V7) which can be connected with the forearms through front and rear Joints (JT) and are provided with red and other color fluorescent materials are arranged in the deep layer of the groove edge, and the fluorescent vein blood vessels in the modules of the veins of the back of the hand (V4, V5 and V6) are also connected with a second collection four-way pipe (5-2) passing through the deep part through the joints (J T); the vein blood vessels (V7) which are collected by the collection end and then reversely connected to the upper arm to form an arm back are also embedded in the corresponding vein grooves (AC), penetrate out from the axillary side of the high simulation arm model (1) through the deep part of the subcutaneous soft tissue (PX) of the high simulation arm model (1), penetrate out from the axillary side (6) of the upper arm through the deep part of the subcutaneous tissue (P) of the high simulation arm model (1) to form a blood return pipe (7), and are connected with the simulated vein blood input pipe (2-1) in parallel and respectively with the connecting pipe fittings (GJ-1, GJ-2) of the microcomputer controller, and the deltoid muscle of the arm is provided with an injection module (MK-2) which is embedded in the corresponding groove (AC). A panel (8) of the microcomputer controller is provided with a power switch (K1) and an indicator lamp (L1) thereof, a vein imaging switch (K2) and an indicator lamp (L2) thereof, a blood circulation switch (K3) and an indicator lamp (L3) thereof, an adjusting knob (XN) of a blood circulation speed regulator (TS) and a nixie tube (SM) thereof, and a cable socket (9); a rectifying power supply (DC) and a blood storage bottle (11) are arranged in the case (10) of the microcomputer controller, the bottle is connected with a blood bottle blood injection tube (12) provided with a check valve (F), a blood bottle overflow tube (13), a blood bottle output tube (14), a blood bottle return tube (15) and an input tube (16) of a micro peristaltic pump (M), the pump output pipe (17) is connected with the inner side end of a connecting pipe fitting (GJ-3) of a microcomputer controller panel (8) through a blood bottle output pipe (14), the outer side end of the pipe fitting is connected with a simulated venous blood input pipe (2-1) of a highly-simulated arm model (1), a blood bottle return pipe (15) of a blood storage bottle (11) is connected with the inner side end of a venous return connecting pipe fitting (GJ-4) of a microcomputer controller panel (8), the outer side end of the pipe fitting is connected with a simulated venous blood return pipe (2-2) of the high-simulation arm model (1). The structure of the vein imaging device is as follows: simulated veins (V1, V2, V3 and V4) of arms arranged in a groove (AC) and simulated veins (V1-V8) of a blood vessel puncture part contain a mauve fluorescent material (YG), LED ultraviolet lamp beads (LED 1-LEDn) with the diameter of 5mm are respectively arranged below the center accurately corresponding to the puncture part and are respectively connected with power lines (VDX +, VDX-), and the power lines (KDX + and KDX-) connected with a pressure sensor switch (YLK) for controlling a light-emitting diode (L4) under the simulated skin (PF) of a high-simulation arm model (1) jointly form a cable (DL), and are connected with a cable socket (9) of a microcomputer controller panel (8) through a cable plug (CT).

The advantages of the result are: the function is perfect, convenient operation can produce vein image automatically to can hide and retreat, carry out the training of vein puncture skill under directly seeing, improve the success rate of puncture greatly, show and improve the training effect.

The invention is further illustrated with reference to the following figures and examples.

Description of the drawings:

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

FIG. 2 is a schematic diagram of a high-simulation arm model according to the present invention;

FIG. 3 is a schematic view of a venous blood vessel structure under a simulated skin layer of the present invention;

FIG. 4 is a schematic view of the structure of the partial fluorescence imaging of venipuncture according to the present invention;

FIG. 5 is a schematic view of the dorsal subcutaneous vein reflux tube of the high emulation arm model of the present invention;

FIG. 6 is a schematic diagram of the structure of the high simulation arm model pressure switch of the present invention;

FIG. 7 is a schematic cross-sectional view of a vein and an LED ultraviolet lamp bead of the high-simulation arm model of the invention;

FIG. 8 is a schematic longitudinal section view of a vein and an LED ultraviolet lamp bead of the high-simulation arm model of the invention;

FIG. 9 is a schematic diagram of the internal structure of the microcomputer controller according to the present invention;

fig. 10 is a schematic diagram of the circuit control principle of the present invention.

[ detailed description of the invention

The simulated skin (PF) and the punctured local sleeve-shaped simulated skin (PF-1, PF-2 and PF-3) of the high-simulation arm model (1) are molded and manufactured by using thermoplastic elastomers or silicon rubber molds such as TPE (thermoplastic elastomer), and the simulated blood is manufactured by using red dye and purified water. A pressure sensor switch (YLK) subcutaneous soft tissue (PX) is molded by a PU foaming mold to form a venous vessel groove as shown in the attached drawing, a corresponding venous vessel is arranged in the venous vessel groove, a fluorescent venous vessel is arranged at a puncture part and is connected through a connector (JJ), a purple fluorescent material for the venous vessel is added into transparent silicon rubber for mold molding, the puncture part near the wrist is molded by a mold to form a shallow groove (AC) with the thickness of 2-3mm and the length of 8cm, the puncture part near the elbow is molded by a mold to form a shallow groove (AC) with the thickness of 2-3mm and the length of 8cm, a hand back vein puncture module is molded by a silicon rubber mold, other parts are sold in the market, a miniature ultraviolet lamp bead (LEDn) is arranged close to the lower wall of the venous vessel, the interval of 2cm is arranged, all power lines (DX) connected in parallel are connected into a cable line (DL) and penetrate out of the axillary side of a high-simulation arm model (1) A cable socket (9) of the brain controller panel (8). When in use, a large syringe or a hanging cylinder type infusion apparatus is used for injecting simulated blood into a blood storage bottle (11) through a blood injection tube (12) of a microcomputer controller panel (8) until an overflow pipe (13) indicates full injection when the simulated blood flows out, an indicator lamp (L1) of a microcomputer controller power switch (K1) is turned on, a venous blood flow speed adjusting knob switch (XN) is turned on to adjust a digital code to 60-99% of a micro peristaltic pump (M) to operate during venipuncture, the simulated blood enters an upper arm from a blood bottle output tube (14) of the blood storage bottle (11) and an input tube (16) of the pump into the peristaltic pump (M) through a pump output tube (17), a venous blood output tube connecting piece (GJ-3) and a simulated venous blood input tube (2-1) on one side of the axilla of the model, and three veins (V1, V2, V) are connected through a four-way shunt tube (3), V3)) and hand back veins (V4, V5 and V6), a first set four-way pipe (5-1), a vein vessel (V7) on the back of an arm, a simulated vein blood return pipe (2-2), a vein blood return pipe connecting piece (GJ-4) and a blood bottle return pipe (15) return into a blood storage bottle (11), a tourniquet is pricked at a position 6cm above a vein puncture needle insertion position according to an operation convention, if the bundling is correct, a pressure switch (YLK) is connected with a power supply of a light emitting diode (EJG), and the light emitting diode is lightened to indicate that the tourniquet is correctly operated. The vein imaging switch (K2) is turned on, the indicator lamp (L2) is turned on, an ultraviolet lamp bead (LEDn) under the lower wall of a vein (V1-V7) with a fluorescent vascular wall at a vein puncture position is connected, purple fluorescence is excited in the vein of the fluorescent vascular wall under ultraviolet irradiation, a fluorescence image displayed by the vein can be seen through simulation skins (PF-1, PF-2 and PF-3), vein puncture can be correctly performed under the guidance of vein imaging, the blood circulation speed can be adjusted through the adjusting knob (the rotation speed of a pump motor can be increased by adjusting the blood circulation speed to 60-90%, and otherwise, the rotation speed is reduced), so that circulation is simulated. In addition, the injection module (MK-2) arranged at the deltoid muscle part can be used for intramuscular injection and subcutaneous injection.

Claims (3)

1. An arm venipuncture training model, comprising: high emulation arm model, the automatic fluorescence imaging device of vein, microcomputer control ware, full-automatic blood circulation analogue means, its characterized in that: the high simulation arm model (1) is provided with a simulation skin (PF), a simulation subcutaneous soft tissue (PX), a simulation vein blood input tube (2-1) is connected with three veins (V1, V2 and V3) through a four-way shunt tube (3) and is embedded in a sponge simulation subcutaneous tissue (P) vein groove (AC) of the arm, the back of a hand of the model is provided with a groove with a small outside and a large inside, 3 modules (4) with a large outside and a small inside are embedded in the back of the hand of the model, and the proximal end of the model is connected with the telecentric ends of the three arm veins through upper connectors (J T) arranged on the upper groove edge and the lower groove edge of the vein groove; three hand back veins (V4, V5 and V6) of the module are connected with a Joint (JT), the joint is transferred to the deep part of a palm through the roots of fingers and is transferred to three veins (V4, V5 and V6) of the back of the hand through the roots of the fingers, the three veins are connected with a hand back puncture module (MK-1) through the joint, a first set four-way pipe (5-1) which is arranged through the joint (J T) penetrates out of the proximal end of the module, the first set four-way pipe is connected into a vein blood vessel (V7) through the set end of the first set four-way pipe, the vein blood vessel is also embedded into a corresponding vein groove, a sleeve-shaped length of the sleeve-shaped part is 8-12 cm, the sleeve-shaped length of the vein puncture return pipe is arranged at the elbow part and the vein puncture part near the wrist part of the high simulation arm model (1), and the sleeve-shaped return pipe is arranged at the deep part of the subcutaneous tissue (P) of the high simulation arm, A sleeve-shaped simulated skin (PF) with the thickness of 2-3mm is sleeved in a shallow groove (AC) with corresponding length and depth, fluorescent vein vessels (V-1, V-2, V-3 and V7) which can be connected with forearms through front and rear Joints (JT) and are provided with red and other color fluorescent materials are arranged in the deep layer of the groove edge, and the fluorescent vein vessels in the modules of the hand dorsal veins (V4, V5 and V6) are also connected with a second collection four-way pipe (5-2) passing through the deep part through the Joints (JT); the vein blood vessels (V7) which are collected by the collection end and then reversely connected to the upper arm to form an arm back are also embedded in the corresponding vein grooves (AC), penetrate out from the axillary side of the high simulation arm model (1) through the deep part of the subcutaneous soft tissue (PX) of the high simulation arm model (1), penetrate out from the axillary side (6) of the upper arm through the deep part of the subcutaneous tissue (P) of the high simulation arm model (1) to form a blood return pipe (7), and are connected with the simulated vein blood input pipe (2-1) in parallel and respectively with the connecting pipe fittings (GJ-1, GJ-2) of the microcomputer controller, and the deltoid muscle of the arm is provided with an injection module (MK-2) which is embedded in the corresponding groove (AC).

2. An arm venipuncture training model as claimed in claim 1 wherein: a panel (8) of the microcomputer controller is provided with a power switch (K1) and an indicator lamp (L1) thereof, a vein imaging switch (K2) and an indicator lamp (L2) thereof, a blood circulation switch (K3) and an indicator lamp (L3) thereof, an adjusting knob (XN) of a blood circulation speed regulator (TS) and a nixie tube (SM) thereof, and a cable socket (9); a rectifying power supply (DC) and a blood storage bottle (11) are arranged in the case (10) of the microcomputer controller, the bottle is connected with a blood bottle blood injection tube (12) provided with a check valve (F), a blood bottle overflow tube (13), a blood bottle output tube (14), a blood bottle return tube (15) and an input tube (16) of a micro peristaltic pump (M), the pump output pipe (17) is connected with the inner side end of a connecting pipe fitting (GJ-3) of a microcomputer controller panel (8) through a blood bottle output pipe (14), the outer side end of the pipe fitting is connected with a simulated venous blood input pipe (2-1) of a highly-simulated arm model (1), a blood bottle return pipe (15) of a blood storage bottle (11) is connected with the inner side end of a venous return connecting pipe fitting (GJ-4) of a microcomputer controller panel (8), the outer side end of the pipe fitting is connected with a simulated venous blood return pipe (2-2) of the high-simulation arm model (1).

3. An arm venipuncture training model as claimed in claim 1 wherein: the structure of the vein imaging device is as follows: simulated veins (V1, V2, V3 and V4) of arms arranged in a groove (AC) and simulated veins (V1-V8) of a blood vessel puncture part contain a mauve fluorescent material (YG), LED ultraviolet lamp beads (LED 1-LEDn) with the diameter of 5mm are respectively arranged below the center accurately corresponding to the puncture part and are respectively connected with power lines (VDX +, VDX-), and the power lines (KDX + and KDX-) connected with a pressure sensor switch (YLK) for controlling a light-emitting diode (L4) under the simulated skin (PF) of a high-simulation arm model (1) jointly form a cable (DL), and are connected with a cable socket (9) of a microcomputer controller panel (8) through a cable plug (CT).

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