CN110807979A

CN110807979A - Blood purification model person

Info

Publication number: CN110807979A
Application number: CN201910965764.7A
Authority: CN
Inventors: 李炎
Original assignee: First Affiliated Hospital of Zhengzhou University
Current assignee: First Affiliated Hospital of Zhengzhou University
Priority date: 2019-10-12
Filing date: 2019-10-12
Publication date: 2020-02-18

Abstract

The invention relates to a blood purification model person, wherein outer end plugging heads are respectively sleeved on a right subclavian vein hemodialysis catheter interface, a right internal jugular vein hemodialysis catheter interface, a right femoral vein hemodialysis catheter interface and an arteriovenous anastomosis internal fistula interface, a controller is arranged in a simulation model person body at a position corresponding to an automatic constant-pressure miniature water pump, a control operation board is fixedly arranged at a position corresponding to the controller at the outer side of the simulation model person body, a loudspeaker is fixedly arranged in the head of the simulation model person body, the loudspeaker and the automatic constant-pressure miniature water pump are respectively electrically connected with the controller through leads, and the controller is electrically connected with the control operation board through leads; the whole process of blood purification is comprehensively known and mastered, and finally an operator can have the capability of dealing with a plurality of problems in the blood purification circulation process.

Description

Blood purification model person

Technical Field

The invention relates to the field of medical teaching, in particular to a blood purification model person.

Background

Blood purification refers to a process of introducing the blood of a patient out of the body by using a certain instrument and equipment, removing certain metabolic wastes or toxic substances in the body by a certain device, and then introducing the blood back into the body. The prior art of blood purification includes: hemodialysis, hemofiltration and hemodiafiltration, hemoperfusion, plasmapheresis, immunoadsorption, continuous renal replacement therapy, continuous slow and inefficient hemodialysis, and the like.

Currently, in clinical practice of blood purification, blood purification practitioners such as teachers in medical institutions, students in medical institutions, or interns and practice nurses are: the demonstration of the external blood purification equipment is required to be operated depending on the patient entity without model people and equipment specially used for blood purification. The above-mentioned existing situation has certain drawbacks, which are collectively expressed as: firstly, the demonstration of the external blood purification equipment only has one-sidedness, and a skill trainer can only master the operation process of the external blood purification equipment and cannot visually observe the whole blood purification circulation treatment process, so that the later operation in practice has certain limitation, the whole blood purification process cannot be comprehensively known and mastered, and various problems in the blood purification treatment process cannot be solved; secondly, the operation and demonstration are carried out on the body of the entity patient, so that the patient is easy to generate fear psychology, and the cooperation and the support of family members of the patient need to be obtained, so that the influence of the factors is often caused in the demonstration process of the entity patient, the whole demonstration process and the demonstration effect are limited, the demonstration cannot be carried out in all directions, and meanwhile, the skill training personnel do not have the learning opportunity of manual operation; thirdly, in the traditional blood purification teaching or demonstration mode, the active operability of the skill training personnel is weak, most of the mastered results are theoretical knowledge, and the innovation and the attempt of the skill training personnel are not facilitated. In conclusion, the current teaching and training conditions severely restrict the innovation and development of blood purification.

Therefore, the blood purification model man which is simple in structure, convenient to operate, high in working and running efficiency, comprehensive in display, strong in active operability, high in intelligent degree, various in functions, wide in blood purification teaching coverage, favorable for innovation and attempt, vivid in skill simulation and strong in overall intuition is produced, and the blood purification model man has wide market prospect.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides the blood purification model person which has the advantages of simple structure, convenient operation, high working and operating efficiency, comprehensive display, strong initiative operability, high intelligent degree, various functions, wide blood purification teaching coverage, contribution to innovation and attempt, vivid skill simulation and strong overall intuition, and is used for overcoming the defects in the prior art.

The technical scheme of the invention is realized as follows: a blood purification model person comprises a simulation model person body, wherein a liquid containing bag is installed in the simulation model person body, the left side of the liquid containing bag is communicated with a simulation artery pipeline, the simulation artery pipeline is communicated with a simulation vein pipeline through an automatic constant-pressure micro water pump, the simulation vein pipeline is communicated with the right side of the liquid containing bag, a right subclavian vein hemodialysis catheter interface is arranged at the right clavicle position of the simulation model person body, a right internal jugular vein hemodialysis catheter interface is arranged at the right neck position of the simulation model person body, a right femoral vein hemodialysis catheter interface is arranged at the upper position of the right leg of the simulation model person body, two arteriovenous fistula openings are arranged at the left forearm of the simulation model person body close to the wrist position, the inner end of the right subclavian vein hemodialysis catheter interface is communicated with the simulation vein pipeline through the right subclavian vein pipeline, the inner end of the right internal jugular vein hemodialysis catheter interface is communicated with a simulated venous pipeline through a right internal jugular vein pipeline, the inner end of the right femoral vein hemodialysis catheter interface is communicated with the simulated venous pipeline through a right femoral vein pipeline, one arteriovenous anastomosis internal fistula interface is communicated with a simulated arterial pipeline through a radial artery pipeline, the other arteriovenous anastomosis internal fistula interface is communicated with the simulated venous pipeline through a head venous pipeline, the head venous pipeline is communicated with the radial artery pipeline through an arteriovenous anastomosis internal fistula pipeline, outer end plugs are sleeved on the right subclavian vein hemodialysis catheter interface, the right internal jugular vein hemodialysis catheter interface, the right femoral vein hemodialysis catheter interface and the two arteriovenous anastomosis internal fistula interfaces, a controller is installed in the simulation model human body at a position corresponding to the automatic constant pressure micro-water pump, and a control operation board is fixedly installed at a position corresponding to the controller outside the simulation model human body, the head of the simulation model human body is internally and fixedly provided with a loudspeaker, the loudspeaker and the automatic constant-pressure micro water pump are respectively electrically connected with a controller through leads, and the controller is electrically connected with a control operation board through leads.

The liquid holds the bag and holds the bag for rectangular shape saccular structure, the capacity that the liquid held the bag is 4200 ml to 4800 ml, liquid filling pipe has been seted up at the top surface that the liquid held the bag, it has a hole to set up the position that corresponds liquid filling pipe on the simulation model people body, the upper portion fixed mounting of liquid filling pipe is in this hole, anti palirrhea medical connecting pipe is installed through threaded connection's mode to the outer end of liquid filling pipe, simulation artery pipeline and simulation vein pipeline symmetric distribution hold bag front end both sides at the liquid, automatic constant voltage micro water pump's the position of setting is located the far back end of simulation artery pipeline and simulation vein pipeline and liquid and holds bag hookup location, simulation artery pipeline and simulation vein pipeline and liquid hold the bag and form a closed circuit through automatic constant voltage micro water pump.

The right subclavian vein hemodialysis catheter interface, the right internal jugular vein hemodialysis catheter interface, the right femoral vein hemodialysis catheter interface and two arteriovenous anastomosis internal fistula interfaces are all of a circular tubular structure, interface mounting holes for mounting five interfaces are formed in a simulation model human body, the right subclavian vein hemodialysis catheter interface, the right internal jugular vein hemodialysis catheter interface, the right femoral vein hemodialysis catheter interface and the two arteriovenous anastomosis internal fistula interfaces are respectively mounted in the five interface mounting holes in a pasting manner, outer end sealing internal thread layers are arranged on the inner walls of the outer ends of the right subclavian vein hemodialysis catheter interface, the right internal jugular vein hemodialysis catheter interface, the right femoral vein hemodialysis catheter interface and the two arteriovenous anastomosis internal fistula interfaces, the outer end sealing plugs comprise outer end sealing limit pipes, the inner end of the outer end plugging head limiting pipe is fixedly connected with the outer end plugging head connecting pipe, the outer end of the outer end plugging head limiting pipe is fixedly connected with the outer end plugging head heparin cap head, and an outer end external thread layer of the outer end plugging head, which is matched with the inner thread layer of the outer end plugging head, is arranged at the outer end of the outer end plugging head connecting pipe.

The back of the simulation model human body is provided with an opening and closing connecting sheet, the opening and closing connecting sheet is in an arc sheet structure, one side of the opening and closing connecting sheet is integrated with the simulation model human body, the other side of the opening and closing connecting sheet is connected with the simulation model human body through a zipper tooth connector, the zipper teeth connector is provided with a pull head, the width of the opening and closing connecting sheet is not less than the width of the liquid containing bag, a sound outlet hole is arranged on the head of the simulation model human body corresponding to the installation position of the loudspeaker, the control operation board is a rectangular plate-shaped structure with cambered surfaces at two ends, an external power line, a power switch and an automatic constant-voltage micro water pump switch are fixedly installed on the control operation board, the controller is connected with the external power line through the power switch, and the automatic constant-voltage micro water pump is connected with the controller through the automatic constant-voltage micro water pump switch.

The arteriovenous anastomosis internal fistula pipeline is a U-shaped tubular structure made of metal, one side of the arteriovenous anastomosis internal fistula pipeline extends to 3 to 5 cm places in a radial artery pipeline, the other end of the arteriovenous anastomosis internal fistula pipeline extends to 3 to 5 cm places in a head vein pipeline, two arteriovenous anastomosis internal fistula interface mounting holes used for mounting two arteriovenous anastomosis internal fistula interfaces are respectively formed in the inner sides of two ends of the arteriovenous anastomosis internal fistula pipeline, the two arteriovenous anastomosis internal fistula interfaces are respectively and fixedly mounted in the two arteriovenous anastomosis internal fistula interface mounting holes, and the outer end of the arteriovenous anastomosis internal fistula interface is extended to one cm position outside the simulation model human body.

The right subclavian vein pipeline, the right internal jugular vein pipeline and the right femoral vein pipeline are all provided with non-contact ultrasonic flow sensors, the three non-contact ultrasonic flow sensors are respectively connected with the controller through leads, and the three non-contact ultrasonic flow sensors are all non-contact ultrasonic flow sensors with the Germany model of SONOFLOE CO 55.

Outer end fixed mounting of liquid filling pipe have the enhancement go-between, the inboard of this enhancement go-between and the outer wall of liquid filling pipe structure as an organic whole, the bottom and the liquid of liquid filling pipe hold the bag and are linked together, anti palirrhea medical connecting pipe internal thread layer has been seted up to the inner wall of liquid filling pipe, anti palirrhea medical connecting pipe include anti palirrhea connection trunk line, one side fixed mounting of anti palirrhea connection trunk line has liquid filling union coupling head, the opposite side fixed mounting of anti palirrhea connection trunk line has anti palirrhea connection extension pipe, the one end of anti palirrhea connection extension pipe is connected with anti reflux joint, be provided with on liquid filling union coupling head with this anti palirrhea medical connecting pipe internal thread layer matched with anti palirrhea medical connecting pipe external thread layer.

The invention has the following positive effects: firstly, the product is convenient to operate, high in working and running efficiency, changes the current situation in the current blood purification research, provides a special model person for blood purification research and learning, can realize research and learning without demonstration on a real patient, can comprehensively obtain practice training by matching with the training operation of external blood purification equipment, can visually observe the whole circulation process of blood purification, can obtain the practice operation experience for dealing with later-stage problems after matching with the external purification equipment for time training, realizes the comprehensive understanding and mastering of the whole flow of blood purification, and finally enables an operator to have the capability of dealing with various problems in the blood purification circulation process; secondly, the product can be separated from a plurality of inconveniences of operation and demonstration on the body of an entity patient, avoids psychological damage and worry to the patient in entity demonstration, can ensure the comprehensiveness of the demonstration process and the demonstration effect, does not worry about the body limitation of the patient who has performed blood purification, realizes the omnibearing demonstration effect, and simultaneously, a learner can be operated by hands actually; thirdly, the traditional blood purification teaching or demonstration mode is changed, the active operability of the practice training personnel is enhanced, the theory level is not only maintained, the active operation and exploration requirements of the practice training personnel are met, and innovation and bold attempt of the practice training personnel are facilitated. Is beneficial to the innovation and development of blood purification skills.

Drawings

Fig. 1 is a schematic front view of the present invention.

Fig. 2 is a rear view structural diagram of the present invention.

Fig. 3 is a schematic view of the internal structure of the present invention.

Fig. 4 is a schematic view of the structure of the medical connection tube for preventing reflux according to the present invention.

Fig. 5 is a schematic structural view of the outer end plugging head of the present invention.

Detailed Description

As shown in fig. 1, 2, 3, 4, 5, a blood purification model person comprises a simulation model person body 1, a liquid containing bag 3 is installed in the simulation model person body 1, a simulation artery pipeline 4 is communicated with the left side of the liquid containing bag 3, the simulation artery pipeline 4 is communicated with a simulation vein pipeline 6 through an automatic constant pressure micro water pump 5, the simulation vein pipeline 6 is communicated with the right side of the liquid containing bag 3, a right subclavian vein hemodialysis catheter interface 8 is arranged at the right clavicle position of the simulation model person body 1, a right internal jugular vein hemodialysis catheter interface 9 is arranged at the right neck position of the simulation model person body 1, a right femoral vein hemodialysis catheter interface 10 is arranged at the upper position of the right leg of the simulation model person body 1, two arteriovenous anastomosis internal orings 11 are arranged at the left forearm of the simulation model person body 1 near the wrist, the inner end of a right subclavian vein hemodialysis catheter interface 8 is communicated with a simulated vein pipeline 6 through a right subclavian vein pipeline 12, the inner end of a right internal jugular vein hemodialysis catheter interface 9 is communicated with the simulated vein pipeline 6 through a right internal jugular vein pipeline 13, the inner end of a right femoral vein hemodialysis catheter interface 10 is communicated with the simulated vein pipeline 6 through a right femoral vein pipeline 14, one arteriovenous anastomosis internal fistula interface 11 is communicated with a simulated artery pipeline 4 through a radial artery pipeline 16, the other arteriovenous anastomosis internal fistula interface 11 is communicated with the simulated vein pipeline 6 through a cephalic vein pipeline 15, the cephalic vein pipeline 15 is communicated with a radial artery pipeline 16 through an arteriovenous anastomosis internal fistula pipeline 17, and outer end plugs 20 are sleeved on the right subclavian vein hemodialysis catheter interface 8, the right internal jugular vein hemodialysis catheter interface 9, the right femoral vein hemodialysis catheter interface 10 and the arteriovenous anastomosis internal fistula interfaces 11, the automatic constant-pressure miniature water pump control system is characterized in that a controller 7 is installed in the position, corresponding to the automatic constant-pressure miniature water pump 5, in the simulation model human body 1, a control operation board 23 is fixedly installed at the position, corresponding to the controller 7, outside the simulation model human body 1, a loudspeaker 18 is fixedly installed in the head of the simulation model human body 1, the loudspeaker 18 and the automatic constant-pressure miniature water pump 5 are respectively electrically connected with the controller 7 through leads, and the controller 7 is electrically connected with the control operation board 23 through leads.

The liquid holds bag 3 for rectangular shape saccular structure, the capacity that liquid held bag 3 is 4200 ml to 4800 ml, liquid filling pipe 2 has been seted up at the top surface that liquid held bag 3, the position that corresponds liquid filling pipe 2 on emulation model people body 1 is seted up porosely, the upper portion fixed mounting of liquid filling pipe 2 is in this hole, anti palirrhea medical connecting pipe 19 is installed through threaded connection's mode to the outer end of liquid filling pipe 2, simulation artery pipeline 4 and simulation vein pipeline 6 symmetric distribution hold bag 3 front end both sides at liquid, the distal rear end of the position of connecting with liquid holding bag 3 is located simulation artery pipeline 4 and simulation vein pipeline 6 to automatic constant voltage micro water pump 5's position of setting, simulation artery pipeline 4 and simulation vein pipeline 6 and liquid hold bag 3 form a closed cycle through automatic constant voltage micro water pump 5.

The right subclavian vein hemodialysis catheter interface 8, the right internal jugular vein hemodialysis catheter interface 9, the right femoral vein hemodialysis catheter interface 10 and the two arteriovenous anastomosis internal fistula interfaces 11 are all of a circular tubular structure, interface mounting holes for mounting five interfaces are formed in a simulation model human body 1, the right subclavian vein hemodialysis catheter interface 8, the right internal jugular vein hemodialysis catheter interface 9, the right femoral vein hemodialysis catheter interface 10 and the two arteriovenous anastomosis internal fistula interfaces 11 are respectively mounted in the five interface mounting holes in a pasting mode, outer end internal thread layers are arranged on the outer end inner walls of the right subclavian vein hemodialysis catheter interface 8, the right internal jugular vein hemodialysis catheter interface 9, the right femoral vein hemodialysis catheter interface 10 and the two arteriovenous anastomosis internal fistula interfaces 11, the outer end sealing heads 20 comprise sealing head limiting tubes 20-1, the inner end of the outer end plugging head limiting pipe 20-1 is fixedly connected with an outer end plugging head connecting pipe 20-2, the outer end of the outer end plugging head limiting pipe 20-1 is fixedly connected with an outer end plugging head heparin cap head 20-3, and an outer end external thread layer 20-4 of the outer end plugging head, which is matched with the inner thread layer of the outer end plugging head, is arranged at the outer end of the outer end plugging head connecting pipe 20-2.

The back of the simulation model human body 1 is provided with an opening and closing connecting sheet 27, the opening and closing connecting sheet 27 is in an arc sheet structure, one side of the opening and closing connecting sheet 27 and the simulation model human body 1 are in an integral structure, the other side of the opening and closing connecting sheet 27 is connected with the simulation model human body 1 through a zipper tooth connector 28, a slider 29 is mounted on the fastener element connecting body 28, the width of the opening and closing connecting piece 27 is not less than the width of the liquid containing bag 3, a sound outlet hole 22 is arranged on the head of the simulation model human body 1 corresponding to the installation position of the loudspeaker 18, the control operation board 23 is a rectangular plate-shaped structure with two cambered ends, an external power line 26, a power switch 24 and an automatic constant-pressure micro water pump switch 25 are fixedly installed on the control operation board 23, the controller 7 is connected with the external power line 26 through the power switch 24, and the automatic constant-pressure micro water pump 5 is connected with the controller 7 through the automatic constant-pressure micro water pump switch 25. The arteriovenous anastomosis internal fistula pipeline 17 is a U-shaped tubular structure made of metal, one side of the arteriovenous anastomosis internal fistula pipeline 17 extends to a position 3 to 5 centimeters in the radial artery pipeline 16, the other end of the arteriovenous anastomosis internal fistula pipeline 17 extends to a position 3 to 5 centimeters in the cephalic vein pipeline 15, two arteriovenous anastomosis internal fistula interface mounting holes for mounting two arteriovenous anastomosis internal fistula interfaces 11 are respectively formed in the inner sides of two ends of the arteriovenous anastomosis internal fistula pipeline 17, the two arteriovenous anastomosis internal fistula interfaces 11 are respectively and fixedly mounted in the two arteriovenous anastomosis internal fistula interface mounting holes, and the outer end of the arteriovenous anastomosis internal fistula interface 11 is extended to a position one centimeter outside the simulation model human body 1.

The right subclavian vein pipeline 12, the right internal jugular vein pipeline 13 and the right femoral vein pipeline 14 are all provided with non-contact ultrasonic flow sensors 30, the three non-contact ultrasonic flow sensors 30 are respectively connected with the controller 7 through leads, and the three non-contact ultrasonic flow sensors 30 are all non-contact ultrasonic flow sensors with a German model of SONOFLOE CO 55. The outer end of the liquid filling pipe 2 is fixedly provided with a reinforced connecting ring, the inner side of the reinforced connecting ring and the outer wall of the liquid filling pipe 2 are of an integral structure, the bottom of the liquid filling pipe 2 is communicated with the liquid containing bag 3, the inner wall of the liquid filling pipe 2 is provided with an anti-reflux medical connecting pipe inner thread layer, the anti-reflux medical connecting pipe 19 comprises an anti-reflux connecting main pipe 19-1, a liquid filling pipe connector 19-2 is fixedly arranged on one side of the anti-reflux connecting main pipe 19-1, an anti-reflux connecting extension pipe 19-4 is fixedly arranged on the other side of the anti-reflux connecting main pipe 19-1, one end of the anti-reflux connecting extension pipe 19-4 is connected with an anti-reflux joint 19-5, the connector 19-2 of the liquid filling pipe is provided with an external thread layer 19-3 of the anti-reflux medical connecting pipe which is matched with the internal thread layer of the anti-reflux medical connecting pipe.

The product can meet the establishment of blood purification pipelines at four positions during specific operation. Firstly, three central vein temporary catheter catheters are respectively used for subclavian vein catheter implantation, internal jugular vein catheter implantation and femoral vein catheter implantation. The puncture point position that internal jugular vein pipe was put into in this product is right internal jugular vein pipe interface 9, because of right internal jugular vein and innominate vein and superior vena cava almost be in a straight line and right side pleura top is less than the left side, and the right side does not have chest pipe, consequently dextrorotation right internal jugular vein intubate. The femoral venous catheter is placed in a puncture point position, a position 2-3 cm below the inguinal ligament is selected, a position 0.5-1 cm below the femoral artery is selected, and the puncture point is a right femoral venous catheter interface 10. The puncture point of the subclavian ductus venosus catheter is a right subclavian ductus venosus interface 8, and the specific positions are one third of the middle and the outer parts of the subclavian and 1 cm below the subclavian. During specific operation, a double-lumen catheter 21 of the Mahurkar Qplus series is adopted, when the double-lumen catheter 21 is in specific operation, the double-lumen catheter correspondingly penetrates into a right internal jugular vein catheter interface 9, a right femoral vein catheter interface 10 or a right subclavian vein catheter interface 8 according to the puncture position of liquid, because the right internal jugular vein catheter interface 9, the right femoral vein catheter interface 10 or the right subclavian vein catheter interface 8 are respectively provided with an outer end sealing head 20, the outer end sealing head 20 is provided with an outer end sealing head heparin cap head 20-3, the inner end of the puncture body of the double-lumen catheter 21 directly penetrates through the outer end sealing head 20-3 to enter into a corresponding right internal jugular vein pipeline 13, a right subclavian vein pipeline 12 and a right femoral vein pipeline 14, blood purification equipment is connected outside the double-lumen catheter 21, a power switch 24 is turned on, and an automatic constant pressure micro water pump switch 25 is turned on, when a liquid flow circulation is formed in the right internal jugular vein pipeline 13, the right subclavian vein pipeline 12 or the right femoral vein pipeline 14, the corresponding non-contact ultrasonic flow sensor 30 arranged at the upper part of the right internal jugular vein pipeline senses liquid flow information and transmits the flow information to the controller 7, and the controller drives the loudspeaker 18 according to the sensing information returned by different non-contact ultrasonic flow sensors 30 and plays puncture voice information of the puncture point position.

A microphone is arranged on one side of the loudspeaker 18 below the sound outlet hole 22 and connected with the controller 7 through a wire, and a SIM card module, a WIFI module and an intelligent voice conversation module are installed in the controller 7, so that intelligent networking voice conversation is realized, and the intelligent degree of a product is enhanced.

Liquid holds the liquid that the splendid attire red pigment dyeing in the bag for simulation blood circulation is convenient for detect for external equipment simultaneously, and during the splendid attire liquid, through the operation of getting rid of is implemented to the palirrhea medical connecting pipe of antagonism, directly will dye liquid and fill liquid and hold the bag in, also can implement filling liquid behind the external pressure connection through the palirrhea medical connecting pipe of antagonism. Meanwhile, in the process of implementing blood purification, the anti-reflux medical connecting pipe 19 can be used for externally connecting the supplementing liquid and supplementing the supplementing liquid required in the blood purification process, and the anti-reflux medical connecting pipe is adopted to ensure that the supplementing liquid can not reversely flow out when being filled, so that the smooth implementation of the blood purification process is ensured.

In concrete operation process, in order to guarantee the stability of product, hold the fixed rope that ties up that sets up in the simulation model people body 1 that bag 3 corresponds the position at liquid, the one end and the 1 fixed connection of simulation model people body of this rope, the mode that the other end of this rope is connected with simulation model people body 1 through magic subsides or buckle connection, liquid holds the inboard of bag 3 fixed mounting at this rope. In order to increase the operability of the product, the used connecting pipeline interface and the control key are arranged on the front surface of the simulation model human body 1, so that the convenience in operation is ensured, and meanwhile, the occurrence of misoperation caused by extrusion is avoided. The arteriovenous anastomosis internal fistula pipeline 17 is a U-shaped tubular structure made of metal, one side of the arteriovenous anastomosis internal fistula pipeline 17 extends to a position 3 to 5 centimeters inside a radial artery pipeline 16, the other end of the arteriovenous anastomosis internal fistula pipeline 17 extends to a position 3 to 5 centimeters inside a cephalic vein pipeline 15, two arteriovenous anastomosis internal fistula interface mounting holes for mounting two arteriovenous anastomosis internal fistula interfaces 11 are respectively formed in the inner sides of two ends of the arteriovenous anastomosis internal fistula pipeline 17, the two arteriovenous anastomosis internal fistula interfaces 11 are respectively fixedly mounted in the arteriovenous anastomosis internal fistula interface mounting holes, the outer end of the arteriovenous anastomosis internal fistula interface 11 is extended to a position one centimeter outside a simulation model human body 1, an outer end plugging head 20 is mounted for repeated puncture, the radial artery pipeline 16 and the cephalic vein pipeline 15 cannot be damaged after puncture, and the intervention of a double-cavity catheter 21 is performed on the right internal jugular vein pipeline 13, the left jugular vein pipeline 13, the arteriovenous anastomosis internal fistula pipeline 11 and the left vein pipeline 15, The damage to the right subclavian vein pipeline 12 and the right femoral vein pipeline 14 is extremely small and can be ignored, the right internal jugular vein pipeline 13, the right subclavian vein pipeline 12 and the right femoral vein pipeline 14 as well as the radial artery pipeline 16 and the head vein pipeline 15 of the product are all made of high-strength plastic hoses, the capacity of the liquid containing bag 3 is 4200 ml to 4800 ml, the normal adult blood volume is simulated, meanwhile, the automatic constant-pressure micro water pump 5 continuously provides circulating pressure, the heart pressure supply is simulated, and a necessary power source for implementing blood purification in the circulating process is guaranteed.

The foregoing is directed to preferred embodiments of the present invention, other and further embodiments of the invention may be devised without departing from the basic scope thereof, and the scope thereof is determined by the claims that follow. However, any simple modification, equivalent change and modification of the above embodiments according to the technical essence of the present invention are within the protection scope of the technical solution of the present invention.

Claims

1. The utility model provides a blood purification model people, includes simulation model people body (1), its characterized in that: the artificial model human body (1) is internally provided with a liquid containing bag (3), the left side of the liquid containing bag (3) is communicated with a simulated artery pipeline (4), the simulated artery pipeline (4) is communicated with a simulated vein pipeline (6) through an automatic constant-pressure micro water pump (5), the simulated vein pipeline (6) is communicated with the right side of the liquid containing bag (3), the right clavicle inferior venous hemodialysis catheter interface (8) is arranged at the right clavicle position of the artificial model human body (1), the right neck internal venous hemodialysis catheter interface (9) is arranged at the right neck position of the artificial model human body (1), the right femoral vein hemodialysis catheter interface (10) is arranged at the upper part of the right leg of the artificial model human body (1), and the left forearm of the artificial model human body (1) is provided with two arteriovenous anastomosis internal fistulas (11) close to the wrist, the inner end of a right subclavian vein hemodialysis catheter interface (8) is communicated with a simulated vein pipeline (6) through a right subclavian vein pipeline (12), the inner end of a right internal jugular vein hemodialysis catheter interface (9) is communicated with the simulated vein pipeline (6) through a right internal jugular vein pipeline (13), the inner end of a right femoral vein hemodialysis catheter interface (10) is communicated with the simulated vein pipeline (6) through a right femoral vein pipeline (14), one arteriovenous anastomosis internal fistula interface (11) is communicated with a simulated artery pipeline (4) through a radial artery pipeline (16), the other arteriovenous anastomosis internal fistula interface (11) is communicated with the simulated vein pipeline (6) through a cephalic vein pipeline (15), the cephalic vein pipeline (15) is communicated with the radial artery pipeline (16) through an arteriovenous anastomosis internal fistula pipeline (17), and the right subclavian vein hemodialysis catheter interface (8) is connected with the simulated vein pipeline (6), Right internal jugular vein hemodialysis pipe interface (9), all the cover is equipped with outer end shutoff head (20) on two internal fistula interfaces of arteriovenous anastomosis (11), controller (7) are installed to the position that corresponds automatic constant voltage micro-water pump (5) in emulation model people body (1), the fixed position that corresponds controller (7) in emulation model people body (1) outside has control operation board (23), fixed mounting has speaker (18) in the head of emulation model people body (1), speaker (18) and automatic constant voltage micro-water pump (5) are respectively through wire and controller (7) electric connection, controller (7) are through wire and control operation board (23) electric connection.

2. The blood purification model person according to claim 1, wherein: the liquid holds bag (3) for rectangular shape saccular structure, the capacity that liquid held bag (3) is 4200 ml to 4800 ml, liquid filling pipe (2) have been seted up to the top surface that liquid held bag (3), it is porose to set up the position that corresponds liquid filling pipe (2) on emulation model people body (1), the upper portion fixed mounting of liquid filling pipe (2) is in this hole, anti palirrhea medical connecting pipe (19) are installed through threaded connection's mode to the outer end of liquid filling pipe (2), simulation arterial line (4) and simulation venous line (6) symmetric distribution are in liquid hold bag (3) front end both sides, the position of setting up of automatic constant voltage micro water pump (5) is located simulation arterial line (4) and simulation venous line (6) and the far-back end of liquid holding bag (3) hookup location, simulation arterial line (4) and simulation venous line (6) and liquid hold bag (3) form a closed circuit through automatic constant voltage micro water pump (5) And (6) circulating.

3. The blood purification model person according to claim 1, wherein: the right subclavian vein hemodialysis catheter interface (8), the right internal jugular vein hemodialysis catheter interface (9), the right femoral vein hemodialysis catheter interface (10) and the two internal arteriovenous anastomosis fistula interfaces (11) are all of a circular tubular structure, interface mounting holes for mounting the five interfaces are formed in a simulation model human body (1), the right subclavian vein hemodialysis catheter interface (8), the right internal jugular vein hemodialysis catheter interface (9), the right femoral vein hemodialysis catheter interface (10) and the two internal arteriovenous anastomosis fistula interfaces (11) are respectively mounted in the five interface mounting holes in a pasting manner, outer end internal thread sealing layers are respectively arranged on the inner walls of the outer ends of the right subclavian vein hemodialysis catheter interface (8), the right internal jugular vein hemodialysis catheter interface (9), the right femoral vein hemodialysis catheter interface (10) and the two internal arteriovenous anastomosis fistula interfaces (11), the outer end plugging head (20) comprises an outer end plugging head limiting pipe (20-1), the inner end of the outer end plugging head limiting pipe (20-1) is fixedly connected with an outer end plugging head connecting pipe (20-2), the outer end of the outer end plugging head limiting pipe (20-1) is fixedly connected with an outer end plugging head heparin cap head (20-3), and an outer end external thread layer (20-4) of the outer end plugging head is arranged at the outer end of the outer end plugging head connecting pipe (20-2) and matched with the internal thread layer of the outer end plugging head.

4. The blood purification model person according to claim 1, wherein: the back of the simulation model human body (1) is provided with an opening and closing connecting sheet (27), the opening and closing connecting sheet (27) is of an arc sheet structure, one side of the opening and closing connecting sheet (27) and the simulation model human body (1) are of an integral structure, the other side of the opening and closing connecting sheet (27) is connected with the simulation model human body (1) through a zipper tooth connector (28), a pull head (29) is installed on the zipper tooth connector (28), the width of the opening and closing connecting sheet (27) is not less than that of a liquid containing bag (3), a sound outlet hole (22) is formed in the head of the simulation model human body (1) corresponding to the installation position of a loudspeaker (18), the control operating board (23) is of a rectangular plate structure with two cambered surfaces at two ends, an external power line (26), a power switch (24) and an automatic constant-pressure micro water pump switch (25) are fixedly installed on the control operating board (23), the controller (7) is connected with an external power line (26) through a power switch (24), and the automatic constant-voltage micro water pump (5) is connected with the controller (7) through an automatic constant-voltage micro water pump switch (25).

5. The blood purification model person according to claim 1, wherein: the arteriovenous anastomosis internal fistula pipeline (17) is a U-shaped tubular structure made of metal, one side of the arteriovenous anastomosis internal fistula pipeline (17) extends to a position 3 to 5 centimeters in a radial artery pipeline (16), the other end of the arteriovenous anastomosis internal fistula pipeline (17) extends to a position 3 to 5 centimeters in a head vein pipeline (15), two arteriovenous anastomosis internal fistula interface mounting holes used for mounting two arteriovenous anastomosis internal fistula interfaces (11) are respectively arranged on the inner sides of two ends of the arteriovenous anastomosis internal fistula pipeline (17), the two arteriovenous anastomosis internal fistula interfaces (11) are respectively and fixedly mounted in the two arteriovenous anastomosis internal fistula interface mounting holes, and the outer end of the arteriovenous anastomosis internal fistula interface (11) is extended to a position one centimeter outside the simulation model human body (1).

6. The blood purification model person according to claim 1, wherein: the right subclavian vein pipeline (12), the right internal jugular vein pipeline (13) and the right femoral vein pipeline (14) are all provided with non-contact ultrasonic flow sensors (30), the three non-contact ultrasonic flow sensors (30) are respectively connected with the controller (7) through leads, and the three non-contact ultrasonic flow sensors (30) are all non-contact ultrasonic flow sensors with a Germany model of SONOFLOE CO 55.

7. The blood purification model person according to claim 2, wherein: the outer end fixed mounting of liquid filling pipe (2) strengthen the go-between, the inboard of this enhancement go-between and the outer wall of liquid filling pipe (2) structure as an organic whole, the bottom and the liquid of liquid filling pipe (2) hold bag (3) and are linked together, anti palirrhea medical connecting pipe internal thread layer has been seted up to the inner wall of liquid filling pipe (2), anti palirrhea medical connecting pipe (19) including anti palirrhea connection trunk line (19-1), one side fixed mounting of anti palirrhea connection trunk line (19-1) has liquid filling pipe connector (19-2), the opposite side fixed mounting of anti palirrhea connection trunk line (19-1) has anti palirrhea connection extension pipe (19-4), the one end of anti palirrhea connection extension pipe (19-4) is connected with anti union (19-5), be provided with on liquid filling pipe connector (19-2) with this anti palirrhea medical connecting pipe matched with anti palirrhea threaded layer internal thread layer anti palirrhea connection The external thread layer (19-3) of the medical connecting pipe.