CN213123499U - A pressfitting ware for preparing animal heart simulation uterus - Google Patents

Abstract

The utility model relates to a pressfitting ware for preparing animal heart simulation uterus, including upper die and lower die, be provided with the die cavity in the upper die, the one end of upper die has seted up the lower shed, the both sides of the upper die other end have all seted up the upper shed, the upper die top between two upper sheds constitutes palace bottom die cavity, the upper die lateral wall between lower shed and the upper shed constitutes palace phantom chamber, cervical die cavity from top to bottom in proper order; the lower die and the upper die have the same structure; the lower openings of the upper die and the lower die after being closed form a uterine opening die cavity, and the upper openings of the upper die and the lower die after being closed form a uterine horn die cavity. The utility model discloses a set up a pressfitting ware for preparing animal heart simulation uterus, be convenient for use this pressfitting ware to prepare the simulation uterus, this pressfitting ware has palace end die cavity, palace body die cavity, cervix uteri die cavity, palace angle die cavity, palace mouth die cavity for the simulation uterus through this pressfitting ware preparation has complete uterus structure, has completely simulated the structure in uterus, has constructed the anatomical structure in emulation uterus.

Description

A pressfitting ware for preparing animal heart simulation uterus

Technical Field

The utility model relates to a medical model technical field, concretely relates to a pressfitting ware for preparing animal heart simulation uterus.

Background

In medical belt teaching and practice, students usually have abundant teaching models for practical practice, especially in obstetrics; however, gynecological teaching models are very poor, especially uterine models. In gynaecology brought a teacher and operated, because can not do the exercise on one's body, so need carry out simulation exercise on the model, but current uterus model is most non-biological material and is made, can't give student a real clinical experience sense to feel the real sense of touch of uterus, also can't provide the opportunity of operated for student, this just makes student must be in long-term clinical practice, accumulates experience through observing teacher's operation, leads to the teaching effect poor, and student's study cycle is longer.

SUMMERY OF THE UTILITY MODEL

The utility model provides a pressfitting ware for preparing animal heart simulation uterus to a pressfitting ware is prepared animal heart simulation uterus.

The utility model discloses a concrete scheme does: the utility model provides a pressfitting ware for preparing animal heart simulation uterus, includes mould and lower mould, is provided with the die cavity that is used for holding the uterus primary mould in going up the mould, and the under shed has been seted up to the one end of going up the mould, and the upper shed has all been seted up to the both sides of going up the mould other end, and the lower mould is the same with the structure of last mould.

Preferably, the upper die and the lower die are respectively and symmetrically arranged, the lower openings of the closed upper die and the closed lower die form a uterine cavity, the upper openings of the closed upper die and the closed lower die form a uterine horn cavity, the top of the upper die between the two uterine horn cavities forms a uterine bottom cavity, and the side walls of the pressfitting device between the uterine horn cavity and the uterine neck cavity sequentially form a uterine body cavity and a uterine neck cavity from top to bottom.

Preferably, the upper die and the lower die are separately fitted.

Preferably, the upper die is hinged with one side of the lower die through a connecting piece.

Preferably, the other sides of the upper die and the lower die are matched through a buckle.

Preferably, the upper die and the lower die are both of a grid structure.

Preferably, the upper die and the lower die are both printed by a 3d printer.

Compared with the prior art, the utility model has the following advantage: the utility model discloses a be used for preparing the uterus's of animal heart simulation pressfitting ware, be convenient for use this pressfitting ware to prepare the simulation uterus, this pressfitting ware has palace end die cavity, palace body die cavity, cervix uteri die cavity, palace angle die cavity, palace mouth die cavity to make the simulation uterus through this pressfitting ware preparation have complete uterus structure, more added the structure of simulating the uterus completely, constructed the anatomical structure of emulation uterus. Through setting up it into latticed structure, be convenient for on the one hand carry out 3d and print, on the other hand is convenient for observe the laminating degree of uterus primary mould and each position of pressfitting ware at the in-process of preparation simulation uterus to and the position of in time to the uterus primary mould is adjusted, thereby makes the uterus model of preparation press close to the appearance of true uterus more. In addition, the stitching device can better protect the primary uterus model in the stitching device, so that the uterus model can bear certain uterus expansion pressure during hysteroscopic operation.

Drawings

Fig. 1 is a schematic structural view of an upper die and a lower die of the present invention;

fig. 2 is a schematic view of a connection relationship between an upper die and a lower die according to another embodiment of the present invention;

fig. 3 is a cross-sectional view of a simulated uterus prepared by the compression connector of the present invention;

fig. 4 is a schematic view of the connection relationship between the uterus polyp and the uterus primary model of the uterus simulator prepared by the stitching device of the utility model.

Detailed Description

The contents of the present invention can be more easily understood by referring to the following detailed description of the preferred embodiments of the present invention and the included examples.

The utility model provides a pressfitting ware for preparing animal heart simulation uterus, this pressfitting ware include last mould 1 and with last mould 1 lower mould 2 that the structure is the same, upward be provided with in the mould 1 and be used for holding the uterus die cavity 3 that just moulds, go up the setting of 1 symmetry of mould, go up the one end of mould 1 and seted up under shed 4, upward the both sides of the 1 other end of mould have all been seted up upper shed 5. The lower openings 4 of the upper die 1 and the lower die 2 which are closed form a palace mouth die cavity 9, the upper openings 5 of the upper die 1 and the lower die 2 which are closed form a palace angle die cavity 10, the top of the upper die 1 between the two palace angle die cavities 10 forms a palace bottom die cavity 6, and the side wall of a stitching device between the palace angle die cavity 10 and the palace mouth die cavity 9 sequentially forms a palace body die cavity 7 and a cervix uteri die cavity 8 from top to bottom.

The upper die 1 and the lower die 2 of the stitching device are in split fit. When in use, the outer walls of the upper die 1 and the lower die 2 are aligned, and the upper die 1 and the lower die 2 are fixed by pressing through the fixing belts. The upper die 1 and the lower die 2 are formed by printing through a 3d printer.

In another embodiment, as shown in fig. 2, the upper mold 1 is hinged to one side of the lower mold 2 by a connecting member 16 for easy operation. Further, the other sides of the upper die 1 and the lower die 2 are matched through the buckle 17, so that the buckling of the upper die 1 and the lower die 2 is facilitated, and the efficiency is improved, wherein the positions and the number of the connecting pieces 16 and the buckles 17 are not limited at this point, and can be selected correspondingly according to needs, and fig. 2 is only an example. The connecting piece 16 and the buckle 17 are also printed by a 3d printer, and the connecting piece 16 and the buckle 17 are made of the same material as the upper die 1 and the lower die 2.

Furthermore, the upper die 1 and the lower die 2 are both in a grid structure, so that the fitting degree of the animal heart and each part of the upper die 1 and the lower die 2 can be conveniently observed and correspondingly adjusted in the process of simulating the uterus by using the animal heart.

The method for preparing the simulated uterus by using the stitching instrument at least comprises the following steps:

s1, selecting a fresh animal heart, wherein the animal heart is preferably a pig heart, a sheep heart or a cow heart;

s2, pretreating the animal heart selected in the step S1 to obtain a primary uterine model 18; the pretreatment of animal hearts comprises the following steps:

s21, communication: cutting off chordae tendineae of the animal heart and intervals inside the animal heart by using a pair of surgical scissors to enable all cavities of the animal heart to be communicated;

s22, thinning: using a surgical scissors to cut off the myocardial tissue from the inner side wall of the animal heart outwards to reduce the thickness of the myocardial tissue of the animal heart and reserve the outer surface of the animal heart and the myocardial tissue 1.0-1.5cm below the outer surface of the animal heart;

s23, overturning: the inner side wall of the thinned animal heart is turned outwards from the opening at the top end of the animal heart, so that the outer wall of the animal heart is turned into the inner side, and the primary uterus model 18 is obtained.

S3, the tip of the primary uterus mould 18 after pretreatment, namely the heart tip of the animal heart, is clamped into the uterine horn 21 at one side of the stitching device, and the position of the primary uterus mould 18 in the die cavity 3 is manually adjusted, so that the primary uterus mould 18 is tightly attached to all parts of the inner wall of the die cavity 3.

S4, cutting off the animal heart muscle of the uterine cavity primary mold 18 outside the mold cavity 3 in the step S3, and reserving the cut-off animal heart muscle fragments for later use;

s5, the upper die 1 and the lower die 2 of the stitching device are closed, and then the upper die 1 and the lower die 2 are pressed and fixed by a fixing band, so as to obtain the simulated uterus, wherein the fixing band is preferably a bandage or a bandage.

In order to facilitate teaching, students can conveniently simulate the process of removing endometrium polyps in clinic, the simulated uterus is also provided with the simulated uterine polyps 11, and the preparation method of the simulated uterine polyps 11 is as follows: selecting one from the animal heart muscle fragments cut in the step S4, inserting one end of a catheter 13 with the inner diameter of 1.0-1.5mm into the middle of the animal heart muscle fragments 12, wherein the catheter is preferably a silica gel catheter or a scalp intravenous needle catheter for children, the other end of the catheter 13 is connected with an infusion apparatus 14, the other end of the infusion apparatus 14 is communicated with a blood bag, and simulated blood is contained in the blood bag, so that the simulated uterine polyp 11 is prepared. Since the animal heart is thinned in step S22, and the wall thickness of the primary uterine model 18 is only 1.0-1.5cm, after the primary uterine model 18 outside the compression device is cut in step S4, the primary uterine model 18 forms an opening at the edge of the compression device, the prepared simulated uterine polyp 11 is inserted into the primary uterine model 18 through the opening, the end of the simulated uterine polyp 11, i.e. the end without the catheter 13, passes through the compression device and extends into the inner cavity of the primary uterine model 18, and the end of the catheter 13 in the simulated uterine polyp 11 is flush with the inner wall of the primary uterine model 18. The location and number of simulated uterine polyps 11 is not particularly limited herein and can be selected accordingly as instructional needs.

The simulated uterus is prepared through the steps, as shown in fig. 3, the simulated uterus comprises a stitching device and a uterus initial mold 18 positioned in the stitching device, the uterus initial mold 18 is a cavity structure with an opening at the lower end, the cavity of the uterus initial mold 18 forms a uterus cavity 19 of the simulated uterus, the uterus initial mold 18 is provided with a uterus opening 20, the uterus opening 20 is positioned at a uterus opening mold cavity 9, the part where the uterus initial mold 18 is jointed with the uterus bottom mold cavity 6 is a uterus bottom 22, the part where the uterus initial mold 18 is jointed with the uterus corner mold cavity 10 is a uterus corner 21, the part where the uterus initial mold 18 is jointed with the uterus cavity 7 is a uterus body 23, and the part where the uterus initial mold 18 is jointed with the cervix mold cavity 8 is a cervix 24, therefore, the simulated uterus has the structures of a uterus corner 21, a uterus bottom 22, a uterus body 23, a cervix 24 and a uterus opening 20, and completely simulates the structure of the uterus. Meanwhile, the simulated uterus is also provided with a simulated uterus polyp 11, the simulated uterus polyp 11 comprises animal heart muscle fragments 12, the other end of a catheter 13, which is arranged in the middle of the animal heart muscle fragments 12 in a penetrating manner, is connected with an infusion apparatus 14, and the other end of the infusion apparatus 14 is communicated with a blood bag.

In the teaching process, the hysteroscope enters the inner cavity of the simulated uterus through the uterine orifice 20, sequentially passes through the cervix 24, the uterine body 23 and the uterine fundus 22 to reach the uterine horn 21, then the simulated uterine polyp 11 is resected according to the observed position and the number of the simulated uterine polyp 11, whether the resection of the simulated uterine polyp 11 is finished is observed through the display of the hysteroscope, and meanwhile, if the resection position and the depth of the simulated uterine polyp 11 are proper, the catheter 13 is not exposed, and the simulated blood does not flow out of the catheter 13; if the depth of resection of the simulated uterine polyp 11 is too deep, the catheter 13 is exposed, and the simulated blood in the blood bag flows out through the infusion set 14 and the catheter 13.

The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.

Claims (7)

1. The utility model provides a pressfitting ware for preparing animal heart simulation uterus, includes mould and lower mould, its characterized in that: be provided with the die cavity that is used for holding the uterus initial mould in going up the mould, go up the one end of mould and seted up the under shed, go up the both sides of the mould other end and all seted up the upper shed, the lower mould is the same with the structure of last mould.

2. A stapler for preparing an animal heart simulating a uterus according to claim 1, characterized in that: the upper die and the lower die are respectively and symmetrically arranged, the lower openings of the closed upper die and the closed lower die form a uterine cavity, the upper openings of the closed upper die and the closed lower die form a uterine horn cavity, the top of the upper die between the two uterine horn cavities forms a uterine bottom cavity, and the side walls of the pressfitting between the uterine horn cavity and the uterine neck cavity sequentially form a uterine cavity and a uterine neck cavity from top to bottom.

3. A stapler for preparing an animal heart simulating uterus according to claim 2, characterized in that: the upper die and the lower die are in split fit.

4. A stapler for preparing an animal heart simulating uterus according to claim 2, characterized in that: one side of the upper die and one side of the lower die are hinged through a connecting piece.

5. A stapler for preparing an animal heart simulating uterus according to claim 4, characterized in that: the other sides of the upper die and the lower die are matched through a buckle.

6. A stapler for preparing a simulated uterus of an animal heart, according to claim 3 or 5, characterized in that: the upper die and the lower die are both of a grid structure.

7. A stapler for preparing an animal heart simulating uterus according to claim 6, characterized in that: the upper die and the lower die are formed by printing through a 3d printer.

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