CN214253606U - High-simulation standard patient for obstetrical surgery simulation training - Google Patents

Abstract

The utility model provides a standardized patient of high emulation obstetrical surgery simulated training, relates to medical education equipment technical field, and it includes: high emulation pregnant and lying-in woman model, late pregnancy uterus, full term pregnancy foetus, controller, its characterized in that: the model is provided with an conveniently interchangeable abdominal wall in the later gestation period, grooves with large inside and small outside are formed in the lower abdomen and the lower section of the uterus of the abdominal wall in the cesarean section operation, operation modules with large inside and small outside are inlaid, the two modules are provided with blood vessels, the blood vessels are connected with the controller through a simulated artery main backflow pipe in the uterine cavity, fetal heart sounds are heard by a full-term pregnant fetus, a cesarean section newborn can successfully take out and rescue and can loud cry, a blood storage bottle, a pulse module, a blood pump and blood vessels in a connection operation module are arranged in a controller case, jet bleeding is realized during the simulation operation, the model can be used for obstetrical skill training and examination such as cesarean section operation, perineum incision stitching operation and the like in medical schools and hospitals, the simulation effect is vivid, and the teaching effect can be remarkably improved.

Description

High-simulation standard patient for obstetrical surgery simulation training

Technical Field

The utility model relates to the technical field of medical education equipment, in particular to a high-simulation standard patient for obstetrical surgery simulation training.

Background

In medical education and clinical medicine, obstetrical surgery is one of key points and difficulties of obstetrics and gynecology department, and is also one of key contents of practice skill assessment in examinations of practitioners and practitioners, the traditional teaching method is that theoretical explanation is assisted by image teaching, skill training and assessment can only be carried out on patients in hospitals, since more students and too few typical patients can not meet requirements far, the requirements of teaching in new period can not be met, the technology belongs to creative operation, medical students can increase pain of patients inevitably in practice of patients, even the condition of illness is aggravated, medical disputes are easy to cause, in recent years, along with the improvement of self-protection consciousness and legal knowledge of patients, the practice of students is often refused, because clinical practice resources are obviously insufficient, medical students can not master the skill, at present, high-simulation teaching equipment for obstetrical surgery skill training is not available in the world, therefore, the improvement of the culture and teaching quality of the obstetrical operation talents is influenced.

Disclosure of Invention

The utility model aims at providing a standardized patient of high emulation obstetrical surgery simulated training, it can carry out the simulated training of obstetrical surgery on high emulation manikin, can cut open obstetrical surgery such as palace operation, and the training effect is just like real patient, is showing and is improving teaching effect.

The achievement solves the problem that the skill operation of obstetrical teaching and obstetrical surgical personnel skill training practice in medical education is difficult to master, fills the blank of the teaching equipment in world medical education, and is a high-simulation obstetrical surgery simulation training standardized patient with high simulation and reliable performance initiated in the world.

A high simulation obstetrical surgery simulated training standardized patient, comprising: high emulation obstetrical surgery parturient model, late gestation uterus, full-term gestation fetus, postpartum hemorrhage uterus, microcomputer controller, its characterized in that: the abdominal part of a high-simulation pregnant and lying-in woman model (1) is provided with a first groove (2) which is used for placing an abdominal wall (3-1) in the later period of pregnancy and a caesarean operation abdominal wall (3-2) in the later period of pregnancy, wherein the abdominal wall of the caesarean operation in the later period of pregnancy is provided with a caesarean operation module (4) which is convenient to replace through a sticky spring (NH), the module is divided into an outermost layer skin layer (4-1), a subcutaneous tissue layer (4-2), a muscle layer (4-3) and an innermost layer abdominal wall layer (4-4), a tortuous arteriolar tube (4-5) of the abdominal wall operation module which is convenient to replace, an abdominal wall operation module arteriolar input tube (4-6) and an abdominal wall operation module backflow tube (4-7) which are embedded in corresponding positions of a second groove (5) which are large in inside and small in outside and are prevented from falling out, and the abdominal wall operation module backflow tube (4-7) is arranged between the abdominal wall operation module, A late pregnancy uterus (6) is arranged in the pelvic cavity position, a cesarean section uterine wall module (8) convenient to replace is arranged at the lower section (7) of the uterus, and the module is embedded in a third groove (9) which is large in inside and small in outside and is prevented from falling off; the uterine wall module is provided with a uterine wall module roundabout arteriolar tube (8-1), a uterine wall module arteriolar input tube (8-2) and an arteriolar input tube (4-6) communicated with an abdominal wall operation module through a tee joint (ST-1); the uterine wall module reflux pipe (8-3) is communicated with the abdominal wall operation module reflux pipe (4-7) through a tee joint (ST-2); the uterus (6) in the later stage of pregnancy can be exchanged with the postpartum hemorrhage uterus (10), and a uterine wall module reflux pipe (8-3) is connected and communicated with an abdominal wall operation module reflux pipe (4-7) through a tee joint (ST-1); the uterus (6) in the late gestation period can be interchanged with the postpartum hemorrhage uterus (10), and the dilated cervix (12) is inserted in the dilated soft birth canal position; the perineum module (13) is stuck to the corresponding position through a sticky spring (NH); the uterine cavity position of the postpartum hemorrhage uterus (10) is provided with a miniature impeller blood pump (15) which is arranged in the position of a microcomputer controller case (14) and a blood vessel broken end (16) which is communicated with the miniature impeller blood pump, 12 miniature normally-closed-normally-opened double-group key switches (k 1-k 12) which are sequentially connected from the uterine bottom to the uterine opening direction are arranged in the uterine wall, the miniature impeller blood pump is connected with a socket (CZ-1) at the position of a diaphragm (HG) through a first cable (17-1) and a plug (CT-1) and then connected with a socket (CZ-2) at one side of the body of the high-simulation pregnant woman model (1), and the miniature impeller blood pump is connected with a light emitting diode (LED 1-LED 12) and a first relay (19) on the panel position (18) of the microcomputer controller through a second cable (17-2) and the plug (CT-2); a amniotic sac (20) provided with a liquid injection pipe (ZG) is arranged in the position of a uterine cavity, a full-term pregnant fetus (21-1), a neonate (21-2), a placenta (22) and an umbilical cord (23) are arranged in the position of the sac, a battery (24), a power button switch (k), an indicator light (l), a microcomputer heart sound module (IC-1) and a small loudspeaker (Y-1) are arranged in the position of the pleuroperitoneal cavity of the full-term pregnant fetus (21-1) and the neonate (21-2), a small loudspeaker (Y-2), a trachea (25) and a sensor (26) are arranged in the position of the dorsal cavity, the neonate is connected with the neonate (21-2) and the newborn crying voice module (IC-2) through a time-delay power-off relay (27), and a loudspeaker (Y-3) is arranged in the position of the pharynx; a power switch (K) and an indicator light (L) thereof, an operation bleeding switch (K1) and an indicator light (L1) thereof, a postpartum bleeding switch (K2) and an indicator light (L2) thereof, a bleeding observation switch (K3) and an indicator light (L3) thereof, a blood flow adjusting valve knob (28-1), a potentiometer knob (28-2) of a pump motor speed regulator (TS) and a socket (CZ-3) are arranged on the panel position (18) of the microcomputer controller, and a plug (CT-4) of a fourth cable (17-4) and a socket (CZ-4) connected with a high-simulation puerperal model (1) are connected; a blood storage bottle (34) provided with a simulated blood injection pipe (29), an overflow pipe (30), a blood bottle output pipe (31), a blood total return pipe (32) and a liquid level meter (33) is arranged in the position of a case (14), a micro impeller blood pump (M1) controlled by a pulse control module (15) is arranged, the blood pump input pipe (35) is connected with the blood bottle output pipe (31) of the blood storage bottle (34) through a tee joint (ST-3), the blood pump output pipe (36) is discharged out of the case (14) through a blood flow speed regulating valve (F1) and is connected with a tee joint (ST-1) under a diaphragm (HG) between the chest and abdomen positions of a high simulation pregnant woman model (1) through a simulated artery (DM), the abdominal wall operation module small artery input pipe (4-6) is respectively connected, the abdominal wall module input pipe (8-2) for cesarean section, the return pipe (4-7) of the abdominal wall operation module, A return pipe (8-3) of the uterine wall module is connected with a tee joint (ST-2) and is collected and then flows back into a blood storage bottle (34) through a blood main return pipe (32); a micro peristaltic pump (M2) controlled by a postpartum hemorrhage switch (K2), a bleeding observation switch (K3) and a third relay (38), wherein an input tube (39) of the pump is connected with a blood bottle output tube (31) of a blood storage bottle (34) through a tee joint (ST-4) and a tee joint (ST-3), one end of an output tube (41) of the blood pump is connected with a first simulated small blood vessel (42) through an electromagnetic valve (F2) and then connected with a simulated small blood vessel broken end (16) in a uterine cavity of a postpartum hemorrhage uterus (10) through a tee joint (ST-5), the other end of the output tube is connected with a second simulated small blood vessel (44) through an electromagnetic valve (F3) and then connected with a bleeding observation tube (45), and a simulated return tube (46) of the blood pump is butted with the tee joint (ST-4).

The utility model has the advantages that: the device has the advantages of reliable performance, complete functions and convenient use, can automatically simulate surgical bleeding or postpartum bleeding by operating the keys of the microcomputer controller, can perform obstetrical simulation operations such as cesarean section, uterine cavity gauze hemostasis filling, perineum incision stitching and the like, has high simulation effect, is suitable for skill training and examination in medical colleges and teaching hospitals, and can obviously improve the operation skill and examination effect of students.

The invention will be further described with reference to the accompanying drawings and examples

Description of the drawings:

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

FIG. 2 is the schematic diagram of the abdominal wall and module layout of the present invention

FIG. 2-1 is a schematic view of the abdominal wall module layout of a pregnant woman in full-term pregnancy

FIG. 2-2 is a schematic view showing the abdominal wall and the surgical modules of the abdominal wall during caesarean section

FIG. 3 is a schematic diagram of the module structure of the present invention

FIG. 3-1 is a schematic structural diagram of a uterine operation module

FIG. 3-2 is a schematic view of the structure of the abdominal wall operation module

Fig. 3-3 are schematic views of perineum module structures

FIG. 4 is a schematic view of the uterus of the cesarean section and its modules

FIG. 5 is a schematic view of the arrangement of the wall of uterus for postpartum hemorrhage of the present invention

FIG. 6 is a schematic view of the switch layout of the wall of uterus for postpartum hemorrhage of the utility model

FIG. 6-1 is a schematic diagram of the switch layout of the anteuterine wall for postpartum hemorrhage

FIG. 6-2 is a schematic view of the switch layout of the posterior wall of uterus for postpartum hemorrhage

FIG. 7 is a schematic view of the structure of the fetus/neonate in full term pregnancy

FIG. 7-1 is a schematic diagram of the structure of a newborn

FIG. 7-2 is a schematic view of the structure of a fetus in full term pregnancy

Figure 8 is a schematic view of the placenta and umbilical cord structure of the present invention

FIG. 9 is a schematic view of the main structure of the hemodynamic and vascular system of the present invention

FIG. 10 is a schematic diagram of the control circuit of the fetus/neonate in full term pregnancy

FIG. 11 is a schematic diagram of a control circuit for a pregnant and lying-in woman with high simulation of the present invention

The utility model discloses an among the control circuit schematic diagram: DC is a rectification power supply; dc is a battery; K/K is a switch; l is an indicator light; RP is a potentiometer; f is an electromagnetic valve; mc is a pulse module; the IC is a microcomputer voice chip; TS is a motor speed regulator; m is a pump motor.

Detailed Description

The utility model discloses skin, placenta, simulated abdominal wall, uterus, various operation modules of high simulation pregnant and lying-in woman model and full-term pregnant fetus, neonate, uterus operation module etc. are molded and made by silica gel or thermoplastic elastomer (TPE) mould, subcutaneous tissue layer is made by sponge, model skeleton is made by resin or plastics, other spare parts are sold in the market; after the parts shown in the attached drawings are prepared, the parts are assembled with the attached drawings; when in use, a large injector or infusion apparatus is used for injecting simulated blood into the blood storage bottle (34) from the simulated blood injection tube (29) until the liquid level of the liquid level meter (33) rises to the top and the simulated blood flows out of the overflow tube (30), indicating that the simulated blood is full, stopping injecting liquid, and inserting the cervix (12) which is expanded by the uterus (6) in the later period of pregnancy and is ready for the cesarean section operation into the soft birth canal before the cesarean section operation; then, injecting simulated amniotic fluid into the amniotic sac (20) of the full-term pregnant fetus (21-1) through a fluid injection tube (ZG) by using an infusion hanging bottle or a small water pump, tightening and sealing, opening a power switch (k 2) of the full-term pregnant fetus (21-1) and placing the fetus into the uterine cavity through the opening of the groove (9) which is not embedded with the uterine caesarean section operation module; then, a caesarean section uterine wall module (8) is embedded in the groove (9) with large inside and small outside; then, the abdominal wall module (4) of the caesarean section operation, which is divided into a skin layer (4-1), a subcutaneous tissue layer (4-2), a muscle layer (4-3) and an abdominal membrane layer (4-4), is embedded in a second groove (5) which is large inside and small outside and prevents the caesarean section operation abdominal wall (3) from falling out; then, communicating an arteriolar input tube (8-2) of a uterine wall module produced by cesarean section with an arteriolar input tube (4-6) of an abdominal wall operation module through a tee joint (ST-1) connected with an arterial tube (DM); the abdominal wall operation module return pipe (8-3) is communicated with the abdominal wall operation module return pipe (4-7) through a tee joint (ST-2); finally, the abdominal wall (8) of the cesarean section is stuck in a first groove (2) formed in the abdomen through a sticky spring (NH), the perineum module (13) is stuck at the corresponding position through the sticky spring (NH), and as a battery (24), a power switch (k 2), a microcomputer heart sound module (IC-1) and a small loudspeaker (Y-1) are arranged in the chest and abdomen of the full-term pregnant fetus (21-1); therefore, the loudspeaker (Y-1) on the back of the pregnant fetus (21-1) with the full term can emit fetal heart sounds, a stethoscope can be used for listening to the abdominal wall of the high-simulation pregnant and lying-in woman model (1) during prenatal examination, the auscultation examination skill of the heart of the fetus is trained, the condition of the fetus is judged, and the working principle of simulating the hemorrhage of the cesarean section operation is as follows: pressing a power switch key (K) of a microcomputer controller to switch on a power indicator lamp (L) to light, performing a cesarean section operation according to the teaching requirement, performing the operation according to the operation convention, pressing a bleeding switch (K1) before the operation, lighting the indicator lamp (L1), operating a micro impeller blood pump (M1), pumping simulated blood extracted from a blood bottle output pipe (31) of a blood storage bottle (34) through an input end (35) of the blood pump into an abdominal wall operation module arteriolar input pipe (4-6) and a uterine wall module arteriolar input pipe (8-2) through a blood pump output pipe (36) and a tee joint (ST-1), and collecting the simulated blood through a tortuous arteriolar (4-5) in the abdominal wall operation module, a tortuous arteriolar (8-1) in the uterine wall module, an abdominal wall operation module reflux pipe (4-7) and a uterine wall module reflux pipe (8-3) through the tee joint (ST-2), then the high-simulation pregnant and lying-in woman model (1) is penetrated out under the diaphragm (HG) and enters a case (14), then the high-simulation pregnant and lying-in woman model is returned into a blood storage bottle (34) through a blood main return pipe (32), in the process of the cesarean section operation, an operator successively operates and cuts open a cesarean section operation abdominal wall module to simulate a circuitous arteriolar blood vessel (4-5) and cut off a circuitous arteriolar blood vessel (8-1) of a lower uterine section cesarean section uterine wall module, 60 times/min pulse frequency sent by the simulated blood according to a pulse module (mc) is pumped out by a micro impeller pump (15) and is ejected out in a fracture mode through a blood pump output pipe (36), a blood speed regulating valve (F1), a tee joint (ST-1) abdominal wall module arterial input pipe (4-6), a uterine wall arterial input pipe (8-2), the circuitous arteriolar blood vessel (4-5) in the abdominal wall module and the circuitous arteriolar blood vessel (8-1) of the uterine wall module (8), prompting an operator to stop bleeding as soon as possible, adjusting the blood flow speed through a blood flow adjusting valve knob (28-1) on a rotary panel (18), enabling the operation effect to be more vivid by simulating the scene of operation bleeding, taking out a full-term pregnant fetus (21-1) according to the operation rule of cesarean section, closing the abdomen, disinfecting, bandaging according to the operation convention, taking out the full-term pregnant fetus (21-1) to be called as a newborn (21-2), sucking out sputum in the trachea (25) of the newborn, removing the pressure of the sputum through a sensor (26) arranged on the trachea wall, triggering a circuit connected with a newborn crying voice module (IC-2) is automatically switched on through the closing of a movable contact of a time-delay power-off relay (27), enabling a small loudspeaker (Y3) positioned at the pharyngeal position to send out the crying of the newborn, and hearing the heart sound sent out by a small loudspeaker (Y2) in the precordial region of the newborn, the umbilical cord is treated according to the operation convention, the newborn is wrapped, and when the postpartum hemorrhage uterine cavity gauze packing operation is carried out, the working principle of simulating the postpartum hemorrhage is as follows: firstly, inserting a dilated cervix (12) of a postpartum hemorrhage uterus (10) into a dilated soft birth canal, turning on a postpartum hemorrhage switch (K2), turning on an indicator light (L2), operating a micro peristaltic pump (M2) controlled by a relay (19), pumping simulated blood from a blood output tube (31) connected with a blood storage bottle (34), pumping the simulated blood to an output tube (41) through a pump body, entering simulated small blood vessels (XG) in the postpartum hemorrhage uterus (10) through one end of a tee joint (ST-4) and an electromagnetic valve (F2) through connected simulated small blood vessels (42), flowing into a uterine cavity from a blood vessel broken end (16) communicated in the uterine cavity, and enabling the simulated blood to flow out of a vagina, thereby vividly simulating postpartum hemorrhage; the flowing simulated blood can be recovered and injected into the blood storage bottle again for reuse; the other end of the three-way valve is connected with a simulated small blood vessel (44) through an electromagnetic valve (F3) and then connected with a bleeding observation tube (45) to observe the blood flow speed, a backflow pipe (46) of the observation tube flows back into a blood storage bottle (34) through the three-way valve (ST-5), in order to reduce the trouble of recovering the blood flowing out of the vagina, a postpartum bleeding switch can be closed, a bleeding observation switch (K3) is opened, the bleeding observation tube (45) has blood flowing, the postpartum uterine bleeding is implied, the blood flow speed can be regulated through a potentiometer knob (28-2) of a pump motor speed regulator of the motor speed regulator (TS), a postpartum bleeding scene is simulated, and when postpartum uterine cavity gauze is filled, the working principle of filling postpartum large bleeding gauze for hemostasis is as follows: the operation of hemostatic filling of the gauze in the uterine cavity is carried out according to the operation convention, the gauze filling is carried out from the uterine bottom to the direction of the uterine opening layer by layer, an operator holds folded 'disinfection' gauze by hands or a holding clamp to enter the uterine cavity, the gauze is used for filling layer by layer according to the sequence from the uterine bottom to the direction of the uterine opening, 12 miniature normally closed-normally open double-group key switches (k 1-k 12) which are sequentially connected from the uterine bottom to the direction of the uterine opening and are arranged in the uterine wall are sequentially pressed, as the switches are connected with light emitting diodes (LED 1-LED 12) on a panel (18) of a microcomputer controller through a cable (17), the normally closed contacts of the switches are sequentially disconnected under the compression of the gauze, and the light emitting diodes are sequentially extinguished after; when the 12 serially connected normally open contacts are closed and completely switched on, a relay (19) of the normally open contact connected with the normally open contact is electrified, the normally closed contact of the relay is switched off, so that the micro peristaltic blood pump (M2) connected with the relay is powered off and stops rotating, meanwhile, the electromagnetic valve (F3) is powered off and closed, and the vaginal bleeding or bleeding observation tube (45) at the blood vessel broken end (16) in the uterine cavity stops bleeding, which indicates that the uterine cavity gauze packing hemostasis operation is correct and the rescue is successful, and the perineum module can be used for perineum incisional suturing skill training and can be operated according to the operation convention; the module can be adhered and replaced by a sticky spring when being damaged and can be repaired after various operation modules are used, the module made of the silica gel material can be repaired by silica gel, for example, the module made of the TPE material can be repaired by hot melting by an electric iron, the cut simulated blood vessel is pulled out and then is penetrated from the original blood vessel hole of the module by spare parts, and the damaged organ blood vessel is formed; local tissue, which is replaced and stuck by the spare local tissue blood vessel and can be reused after being repaired.

Claims (2)

1. A high simulation obstetrical surgery simulated training standardized patient, comprising: high emulation obstetrical surgery parturient model, late gestation uterus, full-term gestation fetus, postpartum hemorrhage uterus, microcomputer controller, its characterized in that: the abdominal part of the high-simulation pregnant and lying-in woman model (1) is provided with a first groove (2), and the abdominal wall (3-1) in the later gestation period and the abdominal wall (3-2) in the cesarean section in the later gestation period are conveniently and interchangeably placed through a sticky spring (NH); the abdominal wall position of the cesarean section operation in the late gestation period is provided with a cesarean section abdominal wall operation module (4) convenient to replace, the module is divided into an outermost skin layer (4-1), a subcutaneous tissue layer (4-2), a muscle layer (4-3) and an innermost peritoneal layer (4-4), a small arterial tube (4-5) of the abdominal wall operation module convenient to replace, a small arterial input tube (4-6) of the abdominal wall operation module and a backflow tube (4-7) of the abdominal wall operation module are also arranged in the middle, and the module is embedded in a second groove (5) position with corresponding inner size and outer size for preventing the abdominal wall from falling out; the uterus (6) in the late gestation period is arranged in the abdomen and pelvic cavity positions, a cesarean section uterine wall module (8) convenient to replace is arranged at the lower section (7) of the uterus, and the module is embedded in a third groove (9) which is large in inside and small in outside and is prevented from falling off; the uterine wall module arteriolar catheter is provided with a uterine wall module arteriolar catheter (8-1) and a uterine wall module arteriolar input tube (8-2) thereof, and is communicated with an abdominal wall operation module arteriolar input tube (4-6) through a first tee joint (ST-1); the uterine wall module reflux pipe (8-3) is communicated with the abdominal wall operation module reflux pipe (4-7) through a second tee joint (ST-2); the uterus (6) in the late gestation period can be interchanged with the postpartum hemorrhage uterus (10), and the dilated cervix (12) is inserted in the dilated soft birth canal position; the perineum module (13) is stuck to the corresponding position through a sticky spring (NH); the uterine cavity position of the postpartum hemorrhage uterus (10) is provided with a blood vessel broken end (16) communicated with a miniature impeller blood pump (M1) in a microcomputer controller case (14), the position in the uterine wall is provided with 12 miniature normally closed-normally open double-group key switches (k 1-k 12) which are sequentially connected from the uterine bottom to the uterine mouth direction, the miniature normally closed-normally open double-group key switches are connected with a socket (CZ-1) at the position of a diaphragm (HG) through a first cable (17-1) and a plug (CT-1) and then connected with a socket (CZ-2) at one side of the body of the high-simulation pregnant and lying-in woman model (1), and the light emitting diode (LED 1-LED 12) and a first relay (19) on a panel position (18) of the microcomputer controller are connected through a second cable (17-2) and the plug (CT-2); the uterine cavity is internally provided with an amniotic sac (20) provided with a liquid injection pipe (ZG), the intracapsular position of the amniotic sac is internally provided with a full-term pregnant fetus (21-1), a newborn (21-2), a placenta (22) and an umbilical cord (23), the thoracic and abdominal cavity positions of the full-term pregnant fetus (21-1) and the newborn (21-2) are internally provided with a battery (24), a power button switch (k), an indicator light (l), a microcomputer heart sound module (IC-1), the back position is provided with a first small loudspeaker (Y-1), the precordial region of the chest is provided with a second small loudspeaker (Y-2), a trachea (25) and a sensor (26), the newborn crying voice module (IC-2) of the newborn (21-2) is connected through a delay power-off relay, namely a second relay (27), and a third loudspeaker (Y-3) is arranged at the pharyngeal position.

2. The high simulation obstetrical surgery simulated training standardized patient of claim 1, wherein: a power switch (K) and an indicator light (L) thereof, an operation bleeding switch (K1) and an indicator light (L1) thereof, a postpartum bleeding switch (K2) and an indicator light (L2) thereof, a bleeding observation switch (K3) and an indicator light (L3) thereof, a blood flow adjusting valve knob (28-1), a potentiometer knob (28-2) of a pump motor speed regulator (TS) and a socket (CZ-3) are arranged on the panel position (18) of the microcomputer controller, and a plug (CT-4) of a fourth cable (17-4) and a socket (CZ-4) connected with a high-simulation puerperal model (1) are connected; a blood storage bottle (34) provided with a simulated blood injection pipe (29), an overflow pipe (30), a blood bottle output pipe (31), a blood main return pipe (32) and a liquid level meter (33) is arranged in the position of a case (14), a micro impeller blood pump (M1) controlled by a pulse control module (15) is arranged, the blood pump input pipe (35) is connected with the blood bottle output pipe (31) of the blood storage bottle (34) through a third tee joint (ST-3), the blood pump output pipe (36) is discharged out of the case (14) through a blood flow speed regulating valve (F1) and is connected with a first tee joint (ST-1) under a septum (HG) between the breast and abdomen positions of a high-simulation pregnant woman model (1) through a simulated artery (DM), and a pregnant abdominal wall surgical module arteriole input pipe (4-6), a uterine wall module arteriole input pipe (8-2), an abdominal wall surgical module return pipe (4-7), The return pipe (8-3) of the uterine wall module is connected with a second tee joint (ST-2) and then flows back into the blood storage bottle (34) through the blood main return pipe (32); a micro peristaltic pump (M2) controlled by a postpartum hemorrhage switch (K2), a bleeding observation switch (K3) and a third relay (38), wherein an input pipe (39) of the pump is connected with a blood bottle output pipe (31) of a blood storage bottle (34) through a fourth tee joint (ST-4) and a third tee joint (ST-3), one end of an output pipe (41) of the blood pump is connected with a first simulated small blood vessel (42) through a first electromagnetic valve (F2) and then connected with a simulated small blood vessel broken end (16) in a uterine cavity of a postpartum hemorrhage uterus (10) through a fifth tee joint (ST-5), the other end of the output pipe is connected with a second simulated small blood vessel (44) through a second electromagnetic valve (F3) and then connected with a bleeding observation pipe (45), and a simulated return pipe (46) of the pump is butted with the fourth tee joint (ST-4).

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