CN207134033U - Simulation pregnant woman and emulation fetus used are used in a kind of teaching - Google Patents

Abstract

The utility model discloses a kind of teaching to use simulation pregnant woman and emulation fetus used, belong to obstetrics' simulation teching field, the teaching includes head and body with emulation fetus, and head is connected with body by bending and stretching mechanism, and close to each other or remote by bending and stretching mechanism drive head and body；The teaching is provided with emulation rumpbone with pregnant woman is simulated at the lower abdominal ostium of uterus of the simulation pregnant woman, and emulation fetus is arranged in the belly of simulation pregnant woman by emulating rumpbone；Simulation pregnant woman and emulation fetus used are used using the teaching of this structure, the length of fetus is changed so as to simulate the various position of foetus that fetus is imitated in pregnant woman Gong Gao change by the stretching, extension and contraction of fetus head and trunk, therefore, palpation teaching can be completed, and the experience of feel is close with real pregnant woman, improves quality of instruction.

Description

Simulated pregnant woman for teaching and used simulated fetus

Technical Field

The utility model relates to an obstetrical department simulation teaching field, in particular to teaching is with simulation pregnant woman and used emulation foetus.

Background

In the prior art, the gynecological training mostly adopts wall map and model for teaching, the existing model is only a model with the appearance similar to that of a pregnant woman, and the pregnant woman model or wall map can only be watched and can not carry out real operation, such as fetal position adjustment, three-way palpation, four-step palpation and other teaching, so that the teaching is too stiff, the practicality is not strong, the student can not be actually palpated for teaching, the palpation training can only be carried out by a real person, and great inconvenience is brought to the teaching. In order to change the situation, an applicant unit develops a simulated pregnant woman which can perform obstetrical three-way diagnosis, multi-way diagnosis and four-step palpation teaching, and the simulated pregnant woman can perform fetal position diagnosis and hand diagnosis teaching so as to enable teaching training experience to be closer to real experience.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that can't adopt teaching equipment to simulate not enough of palace height teaching to prior art, provide a teaching with simulation pregnant woman and used emulation foetus, foetal head and truck can extend and contract, thereby the extension and the shrink through foetal head and truck change foetal length simulation pregnant woman palace height's change.

In order to achieve the above object, the present invention provides the following technical solutions:

a simulated fetus for teaching comprises a fetus body, wherein the fetus body comprises a head part and a body part, the head part and the body part are connected through a flexion-extension mechanism, and the head part and the body part are driven by the flexion-extension mechanism to approach or depart from each other;

preferably, the anti-true fetus is provided with a turnover mechanism, and the turnover mechanism can drive the simulated fetus to rotate in a pitching position;

preferably, the turnover mechanism comprises a turnover gear shaft, a turnover motor and a transmission device, the bending and stretching mechanism of the simulated fetus is rotatably arranged at the top of the vertical support through the turnover gear shaft, and the turnover gear shaft is driven by the turnover motor through the transmission device;

preferably, the simulated fetus is rotatably arranged on the bottom plate through the lower end of the support frame, and the support is rotatably connected with the bottom plate through a second rotating shaft;

preferably, the simulation fetus is provided with a horizontal rotating device, the horizontal rotating device can drive the simulation fetus to horizontally rotate, so that the change of the head position and the hip position of the simulation fetus is realized, the horizontal rotating device comprises a rotating motor and a horizontal rotating transmission device, and the rotating motor drives a second rotating shaft to rotate through the horizontal rotating transmission device so as to drive the simulation fetus to horizontally rotate;

preferably, a separation mechanism is arranged to separate the connection between the rotating motor and the second rotating shaft;

preferably, the bottom plate is arranged on the positioning plate through a second rotating shaft, the rotating motor is arranged on the bottom plate, the horizontal rotating transmission device comprises a driving transmission gear, a reduction gear and a rotating gear, the driving transmission gear is connected with an output shaft of the rotating motor, the transmission gear is fixedly connected with the second rotating shaft, the reduction gear is connected with the driving transmission gear and the rotating gear, the separating mechanism comprises a linear motor and a shifting fork which are fixedly arranged on the positioning plate, an output shaft of the linear motor is vertically and downwards arranged, one end of the shifting fork is fixedly connected with the output shaft of the linear motor, the other end of the shifting fork is hinged with the positioning plate, two side walls of a fork hole of the shifting fork are respectively provided with a rotating piece, the output shaft of the rotating motor is connected with the rotating driving;

preferably, the simulated fetus is provided with a simulated floating mechanism, and the simulated floating mechanism is arranged at the lower end of the support;

preferably, the simulated floating mechanism is a spring, the spring is arranged between the support and the bottom plate, the upper end of the spring is connected with the lower end of the support, and the lower end of the spring is arranged on the bottom plate;

preferably, an induction coil is arranged at the position of the body of the simulated fetus, which is positioned at the fetal heart;

preferably, the flexion-extension mechanism comprises a supporting plate, a head supporting frame and a body supporting frame, the head is fixed on the head supporting frame, the body is fixed on the body supporting frame, the head supporting frame is connected with the front end of the supporting plate in a sliding mode, the body supporting frame is connected with the middle rear portion of the supporting plate in a hinged or rotating mode, the rear end of the head supporting frame is connected with the front end of the body supporting frame in a hinged or rotating mode, and the head supporting frame or the body supporting frame is driven to rotate by a driving device, so that the head supporting frame and the body supporting frame are driven to approach or separate from each other, and the head and;

preferably, the front end of the body support frame is hinged with the rear end of a pull rod, the front end of the pull rod is hinged with the rear end of a swing arm, and the front end of the swing arm is rotatably connected with the support plate through a drive shaft of a drive device;

preferably, the head support frame comprises a main frame body and an auxiliary frame body, the auxiliary frame body is arranged at the front end of the main frame body and forms a fork-shaped structure with the main frame body, the body support frame is arc-shaped and is arranged in an outward arc shape, the head is a head-shaped shell, the shell is sleeved on the main frame body and the auxiliary frame body, the body part is a hollow semi-closed arc-shaped shell, and the body part is sleeved on the body support frame;

preferably, the head and the body are respectively shells, the back of the body is provided with an outer convex arc-shaped section, the inner side of the shell of the body is provided with an inner concave arc-shaped section, and the head can approach or enter the inner concave arc-shaped section under the driving of the bending and stretching mechanism;

preferably, the simulated fetus is provided with a simulated fetus sleeve body made of a soft foam material, the simulated fetus sleeve body at least comprises a body part sleeve body, the body part sleeve body comprises an upper body part and a lower body part, the upper body part is provided with a containing cavity for containing the body and is fixedly connected with the body, and the lower body part is provided with a lower limb;

preferably, a head-hip position detection device, a pitching position detection device and a head and body bending and stretching state detection device are arranged, the head-hip position detection device, the pitching position detection device and the head and body bending and stretching state detection device are respectively connected with the electric control system, the head-hip position detection device detects and controls the horizontal rotation angle of the simulated fetus, the pitching position detection device detects and controls the longitudinal turnover angle of the simulated fetus, and the head and body bending and stretching state detection device detects and controls the mutual position of the head and the body;

the utility model provides a teaching is with simulation pregnant woman the uterus mouth department is provided with emulation sacrum below the belly of simulation pregnant woman, emulation foetus sets up in the belly of simulation pregnant woman through emulation sacrum, and when head and body kept away from each other or was close to, head or body portion can enter into the intracavity of emulation sacrum

The beneficial effect of adopting above technical scheme is: the utility model discloses the emulation foetus is provided with the matrix for the teaching of structure, and the matrix comprises head and body, by stretching mechanism connecting head and body to by stretching mechanism drive head and body each other be close to or keep away from. Adopt the utility model discloses the emulation foetus of structure, back when setting up under pregnant woman belly emulation skin, when the trainee trains, can find the position of head and body to the accessible is bent and is stretched the mutual position that the mechanism changed head and body, and the change of the palace height of simulation foetus can be used to the teaching of hand diagnosis teaching and palace height measurement, is used for replacing real person's pregnant woman to teach, and the teaching of giving school brings a lot of conveniences.

Furthermore, the simulation fetus is provided with a turnover device which can turn over the simulation fetus and adjust the pitching position of the simulation fetus;

furthermore, a horizontal rotating device is arranged, the horizontal rotating device rotates the baby on the horizontal plane, and the head position and the hip circumference position of the simulated fetus are adjusted;

furthermore, the simulated floating device is arranged, the floating state of the simulated fetus in the uterus is simulated through the simulated floating device, different body positions of the simulated fetus in the uterus are adjusted in a combined mode, teaching is facilitated, and meanwhile the simulated pregnant woman with the uterus is arranged in the uterus, and palpation teaching is facilitated.

Further, the head and the body of this emulation foetus are connected by the support frame, drive by the motor and drive the rotation of head support frame, and the head support frame slides for the backup pad to realize being close to and keeping away from of head and body, thereby realize the crouching of the extension of head and body, adjust the length of emulation foetus, thereby the change of the palace height of simulation foetus.

Further, the simulation foaming soft tissue structure is at least arranged on the outer side of the body, so that the simulation degree of the simulated baby is higher, the position, corresponding to the fetal heart, on the inner side of the body is provided with the fetal heart detection coil, and the specific position of the fetal heart in the body can be conveniently known under the state that the baby stretches and curls in different body positions.

Owing to be provided with the separation mechanism, make this emulation foetus not only can manually adjust child position, and can conveniently impart knowledge to students through motor drive adjustment child position.

The fetal position detection device is arranged to control the rotation angles of the motors at the flexion and extension mechanism, the turnover mechanism and the horizontal rotation mechanism through the mutual matching of the head and hip position detection device, the pitching position detection device and the flexion and extension state detection device, and various fetal positions of a fetus are simulated, so that palpation teaching can be completed, the hand feeling experience is close to that of a real pregnant woman, and the teaching quality is improved.

Drawings

FIG. 1 is a schematic view of a part of the structure of an embodiment of a simulated fetus of a simulated pregnant woman for teaching of the present invention;

FIG. 2 is a schematic view of FIG. 1 with the support 4 removed;

FIG. 3 is a schematic structural diagram of an embodiment of the simulated fetal carcass of the present invention;

fig. 4 is a schematic structural view of an embodiment of a bending and stretching mechanism of the simulated fetus according to the present invention;

fig. 5 is a schematic structural view of the fetal position detecting device at the flexion-extension mechanism of the simulated fetus according to the present invention;

fig. 6 is a schematic view of the internal structure of the body of the simulated fetus according to the embodiment of the present invention;

fig. 7 is a schematic structural view of an embodiment of the connection between the positioning plate for fixing the simulated fetus and the bottom plate of the present invention;

fig. 8 is a schematic structural view of an embodiment of a separation mechanism of the simulated fetus according to the present invention;

FIG. 9 is a side view of FIG. 8;

fig. 10 shows the bending and stretching mechanism of the simulated fetus of the present invention with a carcass which is processed transparently;

FIG. 11 is a front view of the body of the fetus simulator of the present invention;

FIG. 12 is a top view of FIG. 11;

FIG. 13 is a view A-A of FIG. 11;

fig. 14 is a schematic structural view of an embodiment of the simulated fetus provided with the sheath body of the present invention.

Wherein,

1- -simulated sacrum;

2- -simulating a fetus;

21-flexion-extension mechanism, 22-head, 23-body; 221-parietal, 222-posterior brain, 223-forehead, 224-facial, 225-mandible, 231-secondy, 234-trisy, 235-thoracic, 236-abdominal, 237-hip;

211-a support plate, 212-a head support frame, 2121-a main frame body, 2122-an auxiliary frame body, 213-a body support frame, 214-a pull rod, 215-a swing arm, 216-a motor rotating shaft, 24-a fetal heart detection coil, 217-a sliding block and 218-a sliding sleeve;

3-positioning plate;

4- -support;

5- -turnover mechanism;

51-overturning motor, 52-overturning driving gear, 53-overturning gear, 54-conveyor belt, 55-overturning gear shaft;

6- -horizontal rotating mechanism, 61- -second rotating shaft, 62- -rotating driving gear, 63- -reduction gear, 64- -rotating gear, 65- -rotating motor, 66- -rotating motor output shaft;

7-simulated floating mechanism, 71-connecting plate, 72-bottom plate, 73-spring;

8-a tire position detection device, 81-a first grating, 82-a first grating detection switch; 83-grating two, 84-grating detection switch two, 85-grating three, 86-grating detection switch three;

9- -disengaging mechanism; 91-linear motor, 92-connecting piece, 93-shifting fork, 94-shifting fork seat, 95-ring groove, 96-rotating piece;

101-head, 102-body, 104-lower limb.

Detailed Description

Preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

Fig. 1 to 14 show a specific embodiment of the present invention:

as shown in fig. 1, 2 and 5, a simulated pregnant woman for pregnant woman childbirth teaching comprises a simulated sacrum 1 and a simulated fetus 2, wherein the simulated fetus is arranged in the body of the simulated pregnant woman, the simulated fetus 2 at least comprises a carcass consisting of a head 22 and a body 23 and a bending and stretching mechanism 21 of the carcass, and the head 22 and the body 23 are respectively fixed on the bending and stretching mechanism 21 and can be driven by the bending and stretching mechanism 21 to approach and separate from each other. A turnover mechanism 5 for driving the simulated fetus carcass to turn over longitudinally and a horizontal rotating mechanism 6 for driving the simulated fetus to rotate horizontally can also be arranged. The simulated fetus body is arranged in the abdomen of the pregnant woman through the vertically arranged support 4, the simulated fetus 2 body is arranged at the top of the support 4, the simulated fetus body is driven to longitudinally turn over at the top of the support 4 by the longitudinal turning mechanism 5, as shown in the direction of F1 in fig. 1, and the simulated fetus body is driven to horizontally rotate through the horizontal rotating mechanism 6 by driving the support 4 to horizontally rotate, as shown in the direction of F2 in fig. 1.

Fig. 1 is combined with fig. 3 and 4 to show, in the preferred embodiment of the present invention, the flexion-extension mechanism includes a support plate 211, a head support frame 212 and a body support frame 213, the rear end of the head support frame 212 is hinged to the front end of the body support frame 213, the hinged position is shown as C, the head support frame 212 is connected to the end of the support plate 211 in a sliding manner, the body support frame 213 is connected to the support plate 211 through a rotation shaft, the connected position is shown as D, a bearing as a sliding block 217 is provided on the head support frame 212, an oblong hole or an elliptical hole sliding sleeve 218 is provided at the front end of the support plate, the length direction of the oblong hole or the elliptical hole is arranged along the length direction of the simulated fetus, the sliding block 217 is arranged in the sliding sleeve 218, and. The head 22 is fixed to a head support 212, and the carcass is fixed to a carcass support 213. When the body support frame or the head support frame is driven by external force, the head support frame and the body support frame can be close to or far away from each other, so that the length of the simulation fetus can be changed, and the change of the uterine height of the simulation fetus can be simulated.

With reference to fig. 4 and 6, preferably, the body support frame 213 further includes a pull rod 214 and a swing arm 215, one end of the pull rod 214 is hinged to the front end of the body support frame 213, the hinge position is C1, one end of the swing arm 215 is rotatably connected to the support plate 211, the connection position is a, the other end of the swing arm 215 is hinged to the other end of the pull rod, the hinge position is B, and the swing arm 215 and the support plate 211 are rotatably connected through a motor shaft 216.

The body support frame 213 has an outward arc shape or a bow shape, the arc shape of which is convex outward, and the body support frame 213 having such a structure allows the body to be curvedly provided on the body support frame, and preferably, the pull rod has an arc shape, and the bow portion thereof is disposed outward. According to the directions shown in fig. 3 and 4, when the fetal model is required to be contracted, the motor rotates, the motor output shaft drives the swing arm to swing upwards leftwards, the pull rod moves upwards leftwards and drives the front end of the body supporting frame to swing upwards leftwards, the rear end of the body supporting frame moves downwards rightwards, the head supporting frame moves downwards leftwards until the head and the body are close to the preset position, and when the fetal model is required to be expanded, the motor rotates in the opposite direction, so that the swing arm moves in the opposite direction.

As shown in fig. 10-13, preferably, the head 22 and the body 23 are both hard shells, and may be separated from each other, or may be split, where the head includes a crown 221, a back brain 222, a forehead 223, a face 224, and a chin 225, which form an appearance similar to a real head, an opening one 226 is disposed at an end of the head opposite to the crown 221, the head support extends into an inner cavity of the head through the opening one and is fixedly connected to the head, the body may be an oblate shell, preferably a prolate spheroid shell, an opening two 231 is disposed along a length direction of the prolate spheroid shell, a side line of the opening two is formed by connecting multiple concave-convex curves, concave sections of the curves form a chest 235 and an abdomen 236, and the support is disposed in and is fixedly connected to the body. Preferably, the upper part of the prolate spheroidal shell is provided with a concave opening three 234 at the position of the neck of the body, the inner side of the prolate spheroidal shell is concave at the positions of the chest 235 and the abdomen 236 of the body, and the lower part of the prolate spheroidal shell is smoothly connected with the curve of the abdomen and forms an arc-shaped hip 237. By adopting the structure, the body forms two parts, the upper part is the upper body part of the body, the lower part is the lower body part of the body, and the upper body part and the lower body part are in an arched structure like the body state when a fetus is curled. And the head can be accommodated in the concave parts of the chest and the abdomen, so that the artificial fetus is more lifelike in the state of being compressed in a compressed state. Preferably, the head support includes a main frame body 2121 and a sub-frame body 2122, the sub-frame body is disposed at the front end of the main frame body and forms a fork structure with the main frame body, and the head is fixedly connected to the sub-frame body through the main frame body. By adopting the tyre body with the structure, when the palpation teaching practice is carried out, the head and the hip can be easily separated, and the practice is convenient.

The simulated fetus sleeve body can be used for setting a simulated fetus and is made of soft foam materials, and at least comprises a body part sleeve body 102, wherein the body part sleeve body comprises an upper body part and a lower body part, the upper body part can be provided with arms and hands or can not be provided with the arms and the feet, the lower body part can be provided with the legs and the feet or the arms and the hands or can not be provided with the legs and the feet or the arms and the hands, so that the positions of the back and the four limbs can be sensed during palpation, the upper body part is provided with a containing cavity for containing the body, the body and the body containing cavity are both provided with connecting devices for fixedly connecting the body part sleeve body and the body, and the upper limbs and the lower limbs 104 of the sleeve body are both solid bodies made of the soft foam materials. The simulated fetus with the structure has the advantages that the sleeve body is made of the soft foaming material, so the sleeve body has certain elasticity, toughness and softness, the hand feeling is similar to the hand feeling of touching a real human body, and the head and the body of the carcass are both hard shells, so that when the simulated fetus is subjected to hand diagnosis training, a trainee can experience the feeling of touching bones and meat, and the hand feeling of the hand diagnosis training is more real.

The head 22 can also be provided with a head sleeve body which is provided with a containing cavity for containing the head of the tire body, the head is arranged in the containing cavity through the matching part of the head, and the head sleeve body can also be provided with five sense organs simulating a fetus, so that the head is more vivid.

A fetal heart position detecting device made of a fetal heart detecting coil 24 is arranged at a position corresponding to the fetal heart inside the body 23, and when a trainee auscultates the fetus with a simulated auscultation, the position of the fetal heart can be detected.

As shown in fig. 2, the turnover mechanism 5 preferably includes a turnover motor 51, a turnover driving gear 52, a turnover gear 53 and a conveyor belt 54, the turnover driving gear 52 and the turnover gear 53 are connected by the conveyor belt 54, the vertical support 4 is a cavity structure, the turnover driving gear 52, the turnover gear 53 and the conveyor belt 54 are arranged in the cavity of the vertical support 4, the conveyor belt 54 is vertically arranged, and the turnover driving gear 52 is driven by the turnover motor 51 to rotate. The supporting plate 211 is fixedly connected with the turnover gear shaft 55, and the axial direction of the turnover gear shaft 55 is consistent with the setting direction of the simulated fetus. When the overturning motor drives the overturning driving gear to rotate, the overturning gear rotates under the action of the conveying belt to drive the overturning gear shaft to rotate, so that the supporting plate 211 is driven to longitudinally rotate, and the overturning of the pitching position of the simulated fetal carcass is realized.

As shown in figures 1 and 2, in order to increase the real effect during palpation, a simulated floating mechanism 7 is arranged in the abdomen of the pregnant woman, the simulated floating mechanism 7 is arranged between the vertical support 4 and the bottom plate 72, the simulated floating mechanism can be a spring, a torsion bar or an elastic bar, or a combination of a ball body and a groove, the ball body is arranged in the groove, and the simulated floating mechanism is arranged to enable the simulated fetus body to do non-directional swing to simulate the feeling that the fetus floats in amniotic fluid when the simulated fetus is touched by hands, so that the palpation hand feeling is more real. When a spring or an elastic rod is used as the simulated floating mechanism 7, the upper end of the spring or the elastic rod is fixedly connected with the bottom of the support 4 through the connecting plate 71, and the lower end of the spring or the elastic rod is fixedly connected with the upper surface of the bottom plate 72.

As shown in fig. 3, in order to adjust the horizontal position of the simulated fetus in the abdomen, the simulated fetus body can horizontally rotate in the abdomen, and the bottom plate 72 is rotatably arranged above the positioning plate 3 through the second rotating shaft 61. Therefore, when the simulated fetus is rotated by hands, the body position of the simulated fetus body in the abdomen can be freely rotated, and the teaching of adjusting the fetus position training is realized.

Preferably, in order to facilitate teaching to adjust the body position of the simulated fetus body at any time, the simulated fetus horizontal rotation driving device is arranged to drive the simulated fetus body to horizontally rotate at any angle. The utility model discloses in preferably adopt as shown horizontal slewing mechanism 6 of figure 9, combine figure 2 and figure 8 to show, it is including rotating motor 65 and gear drive, it sets up on locating plate 3 to rotate motor 65, gear drive can set up at locating plate 3 lower surface, be connected with two 61 of axis of rotation by output gear, preferably, as shown in figure 8 and 9, gear drive includes rotation drive gear 62, reduction gear 63 and running gear 64, the three meshes in proper order, rotation drive gear 62 sets up on rotating motor output shaft 66, reduction gear 63 rotates for locating plate 3 to be connected, running gear 64 is output gear, it sets up on two 61 of axis of rotation.

In order to accurately know the rotation angle of the simulated fetus in the abdomen, namely the condition of the fetus position, the fetus position detecting device 8 is arranged, as shown in fig. 4 and 7, the fetus position detecting device comprises a head and hip position detecting device, a pitching position detecting device and a bending and stretching state detecting device or one of the detecting devices, the utility model discloses in, the head and hip position detecting device can take the following structure, and it includes a grating 81 and a grating detecting switch 82, and the grating 81 is adapted to the grating detecting switch 82 in position so as to detect the grating. The first grating 81 is coaxially connected with the rotating gear 64, that is, the first grating 81 is arranged on the second rotating shaft 61. The combined structure of the horizontal rotation driving device and the fetal position detection device can accurately know the positions of the head and the hip of the simulated fetus, and is convenient to adjust. The pitch position detecting device may have a structure including a second grating 83 and a second grating detecting switch 84, the second grating 83 is matched with the second grating detecting switch 84 in position so as to detect the grating, and the second grating 83 is disposed coaxially with the tumble gear 53, that is, the second grating 83 is disposed on the tumble gear shaft 55. The flexion and extension state detection device can adopt a structure comprising a third grating 85 and a third grating detection switch 86, wherein the third grating 85 is matched with the third grating detection switch 86 in position so as to detect the grating, the third grating detection switch 86 is fixedly arranged on the body support frame 213, the third grating 85 is fixedly arranged on the support plate 211, and the body support frame 213 is rotatably connected with the support plate 211 through the first rotating shaft, and the connecting position is D, so that the third grating detection switch 86 can synchronously rotate along with the rotation of the body support frame 213, the flexion and extension state of the flexion and extension mechanism can be obtained through the third grating 85, and the flexion and extension state of the flexion and extension mechanism can be detected. The utility model discloses in each above-mentioned grating all be located respective grating detection switch's detection zone. The grating detection switches, namely the grating detection switch I, the grating detection switch II and the grating detection switch III are respectively connected with an electric control system, and the grating I is coaxially and fixedly connected with the rotating shaft II 61, so that the horizontal position of the simulated fetus, namely the horizontal rotating position of the head and the hip can be detected and controlled, the grating II is coaxially and fixedly connected with the overturning gear shaft 55, the positions of the back and the abdomen of the simulated fetus, namely the overturning degree of the simulated fetus can be detected and controlled, the grating III is coaxially and fixedly connected with the motor rotating shaft 216, the mutual position condition of the head and the body of the simulated fetus can be detected and controlled, and the whole condition of the fetus position can be known or the fetus can be adjusted to a proper position according to a preset assumption by the fetus position detection device.

In order to realize the combination of manual tire position adjustment and electric tire position adjustment, a disengaging mechanism 9 is arranged, and when the tire position needs to be adjusted manually, the rotating motor 65 is disengaged from the second rotating shaft 61. Referring to fig. 8 and 9, as shown in fig. 8 and 9, the detaching mechanism 9 includes a linear motor 91, a connecting member 92, a shifting fork 93 and a shifting fork seat 94, the linear motor 91 is vertically disposed downward on the positioning plate 3, the connecting member 92 is disposed at an output end of the linear motor 91, the shifting fork seat 94 is disposed at a lower surface of the positioning plate 3, the shifting fork 93 is hinged to the shifting fork seat 94, the connecting member 92 is disposed in a fork body of the shifting fork 93 and fixedly connected thereto, the rotating motor output shaft 66 is connected to the rotating drive gear 62 through a spline, or the rotating motor output shaft 66 is a spline shaft. An annular groove 95 is formed on the outer circumferential surface of the rotation driving gear 62, the fork 93 is provided with a fork hole, and rotation members 96 are respectively provided on the left and right side walls of the fork hole, the rotation members 96 being located in the annular groove 95, the rotation members 96 being rotatably disposed in the annular groove 95. Preferably, the rotating member 96 is a bearing, and the inner ring of the bearing is fixedly connected to the left and right sidewalls of the fork hole, respectively. When the simulated fetus needs to be manually rotated, the linear motor 91 is started, the shaft of the linear motor 91 extends downwards to drive the connecting piece 92 to move downwards, the cantilever end of the shifting fork is driven to move downwards, and the rotating piece 96 is positioned in the annular groove, so that the rotating driving gear 62 is driven to move downwards along the outer surface of the output shaft of the rotating motor, the rotating driving gear 62 is separated from the reduction gear 63, the rotating motor 65 is separated from the second rotating shaft 61, and the simulated fetus can be freely rotated. The utility model discloses in, when rotating the piece and driving rotation drive gear 62 along the outer surface downstream of rotating the motor output shaft, the surface of rotating the piece rotates with the lower wall of ring channel and is connected, consequently can prevent to rotate when drive axis of rotation two breaks away from with the rotation motor and hinder rotation drive gear 62 and slide downwards.

The utility model discloses in, for the sight that simulates the foetus position diagnosis teaching more vividly, set up emulation sacrum 1 in pregnant woman's abdomen one portion, emulation sacrum 1 sets up on locating plate 3, when emulation foetus rotates the head position, the inner chamber of emulation sacrum can be stretched into to emulation foetus's head, when emulation foetus is buttockss, emulation foetus's buttock can be located the inner chamber of emulation sacrum.

Preferably, the position that corresponds the fetal heart in the body inboard is equipped with fetal heart detection coil, and detection coil is electromagnetic induction coil, thereby can conveniently know the specific position of fetal heart in the body through the electromagnetic induction stethoscope of peripheral hardware and know and confirm the different position states that the baby extends and crouches, and the position of fetal is judged through the position of fetal heart when the manual rotation fetus.

The utility model discloses a pregnant woman for teaching of structure, which is internally provided with a simulation fetus, and the simulation fetus matrix is longitudinally overturned through a longitudinal overturning device to adjust the pitching position of the simulation fetus matrix; rotating the simulated fetus matrix on the horizontal plane through a horizontal rotating device, and adjusting the body positions of the head and the hip of the simulated fetus; the simulation of the floating state of the fetal carcass in the uterus through the simulation floating device can realize palpation teaching, and because the head and the carcass are hard materials and the simulation foaming soft tissue structure of a soft body can be arranged outside as the meat of the fetus, when palpation training is carried out, the positions of the head and the hip can be sensed, the hand feeling of touching the fetus can be realized, and the experience is more real. The different positions of the simulated fetus in the uterus are adjusted, the teaching is convenient, and the simulated pregnant woman with the uterus is arranged in the uterus, so that the palpation teaching is convenient.

The simulation foaming soft tissue structure covers outside the body at least for simulation baby's fidelity is higher, and the inboard position that corresponds the child heart of body is equipped with child heart detection coil, conveniently knows the baby and stretches out and under the different position states of crouching, the specific position of child heart in the body.

The fetal position detection devices are arranged at the flexion and extension mechanism, the turnover mechanism and the horizontal rotating mechanism, and the rotation angles of the motors at the flexion and extension mechanism, the turnover mechanism and the horizontal rotating mechanism are controlled through the fetal position detection devices, so that the precision of various body positions of the fetus is improved.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, many modifications and improvements can be made without departing from the inventive concept, and all of them belong to the protection scope of the present invention.

Claims (17)

1. The simulated fetus for teaching is characterized by comprising a fetus body, wherein the fetus body comprises a head and a body, the head and the body are connected through a flexion-extension mechanism, and the head and the body can be close to or far away from each other under the driving of the flexion-extension mechanism.

2. The simulated fetus for teaching of claim 1, wherein the carcass is provided with a turnover mechanism, and the turnover mechanism can drive the carcass to rotate in a pitching position.

3. The fetus simulator for teaching of claim 2, wherein the turnover mechanism comprises a turnover gear shaft (55), a turnover motor (51) and a transmission device, the flexion and extension mechanism of the fetus simulator is rotatably arranged on the top of the vertical support through the turnover gear shaft (55), and the turnover gear shaft (55) is driven by the turnover motor (51) through the transmission device.

4. The dummy fetus for teaching as claimed in claim 3, wherein the carcass is rotatably disposed on the bottom plate (72) through a lower end of a support, and the support is rotatably coupled to the bottom plate (72) through a second rotation shaft (61).

5. The simulated fetus for teaching as claimed in claim 4, wherein the simulated fetus is provided with a horizontal rotating device, the horizontal rotating device can drive the fetus body to rotate horizontally, so as to realize the change of the head position and the hip position of the fetus body, the horizontal rotating device comprises a rotating motor (65) and a horizontal rotating transmission device, and the rotating motor (65) drives a second rotating shaft (61) to rotate through the horizontal rotating transmission device so as to realize the driving of the fetus body to rotate horizontally.

6. The dummy fetus for teaching as claimed in claim 5, wherein the disengaging mechanism (9) is provided to disengage the connection of the rotating motor (65) and the second rotating shaft (61).

7. The simulated fetus for teaching as claimed in claim 6, wherein the bottom plate (2) is arranged on the positioning plate (3) through a second rotating shaft (61), the rotating motor (65) is arranged on the bottom plate (2), the horizontal rotating transmission device comprises a driving transmission gear (62), a reduction gear (63) and a rotating gear (64), the driving transmission gear (62) is connected with an output shaft (66) of the rotating motor, the transmission gear is fixedly connected with the second rotating shaft, the reduction gear (63) is connected with the driving transmission gear (62) and the rotating gear (64), the separation mechanism (9) comprises a linear motor (91) and a shifting fork (93) which are fixedly arranged on the positioning plate 3, an output shaft of the linear motor (91) is vertically arranged downwards, one end of the shifting fork (93) is fixedly connected with the output shaft of the linear motor (91), and the other end of the shifting fork is hinged with the positioning plate (3), two side walls of a fork hole of the shifting fork (93) are respectively provided with a rotating piece (96), an output shaft (66) of the rotating motor is connected with the rotating driving gear (62) through spline teeth, an annular groove (95) is arranged on the outer circumferential surface of the rotating driving gear (62), and the rotating piece (96) is positioned in the annular groove (95).

8. The artificial fetus for teaching of claim 4 or 5, wherein the artificial fetus is provided with an artificial floating mechanism, and the artificial floating mechanism is provided at a lower end of the support.

9. The artificial fetus of claim 8, wherein the simulated floating mechanism is a spring, the spring is disposed between the support and the bottom plate (72), the upper end of the spring is connected to the lower end of the support, and the lower end of the spring is disposed on the bottom plate (72).

10. The artificial fetus for teaching according to claim 1, wherein an induction coil is provided at a position of the body of the artificial fetus, which is located in the fetal heart.

11. The simulated fetus for teaching of any one of claims 1, 2, 6 or 7, wherein the flexion-extension mechanism comprises a support plate (211), a head support frame (212) and a body support frame (213), the head is fixed on the head support frame (212), the body (23) is fixed on the body support frame (213), the head support frame is slidably connected with respect to the front end of the support plate, the body support frame is hinged or rotatably connected with respect to the middle rear part of the support plate, the rear end of the head support frame is hinged or rotatably connected with the front end of the body support frame, and the head support frame or the body support frame is driven to rotate by a driving device, so that the head support frame and the body support frame are driven to approach or separate from each other, and the head and the body are driven to approach or separate from each.

12. The artificial fetus for teaching as claimed in claim 11, wherein the front end of the body support frame is hinged to the rear end of a pull rod (214), the front end of the pull rod is hinged to the rear end of a swing arm (215), and the front end of the swing arm is rotatably connected to the support plate through a drive shaft (216) of the drive device.

13. The artificial fetus for teaching of claim 11, wherein the head support comprises a main frame body (2121) and an auxiliary frame body (2122), the auxiliary frame body is arranged at the front end of the main frame body and forms a fork structure with the main frame body, the body support is arc-shaped and is arranged outwards, the head is a head-shaped shell, the shell is sleeved on the main frame body and the auxiliary frame body, the body part is a hollow semi-closed arc-shaped shell, and the body part is sleeved on the body support.

14. The artificial fetus for teaching of claim 13, wherein the head and the body are shells, the back of the body is provided with a convex arc-shaped section, the inner side of the shell of the body is provided with a concave arc-shaped section, and the head can approach or enter the concave arc-shaped section under the driving of the flexion-extension mechanism.

15. The simulated fetus for teaching as claimed in claim 1, 13 or 14, wherein the simulated fetus is provided with a simulated fetus sleeve body made of a soft foam material, the simulated fetus sleeve body at least comprises a body sleeve body, the body sleeve body comprises an upper body part and a lower body part, the upper body part is provided with a cavity for accommodating the body and is fixedly connected with the body, and the lower body part is provided with a lower limb.

16. The simulated fetus for teaching of claim 5, wherein a head-hip position detection device, a pitch position detection device and a head and body flexion and extension state detection device are provided, the head-hip position detection device, the pitch position detection device and the head and body flexion and extension state detection device are respectively connected with the electronic control system, the head-hip position detection device detects and controls the horizontal rotation angle of the simulated fetus, the pitch position detection device detects and controls the longitudinal turning angle of the simulated fetus, and the head and body flexion and extension state detection device detects and controls the mutual position of the head and the body.

17. A simulated pregnant woman for teaching, characterized in that a simulated sacrum is provided at a uterine orifice below an abdomen of the simulated pregnant woman, and the simulated fetus is provided in the abdomen of the simulated pregnant woman through the simulated sacrum, and by using the simulated fetus for teaching as claimed in any one of claims 1 to 16, when the head and the body are far away from or close to each other, the head or the body can enter into a cavity of the simulated sacrum.