Background
Catheterization is a routine operation in clinic and a skill that medical students must master. Catheterization is the insertion of a urinary catheter into the bladder via the urethra to draw urine. The purpose of catheterization is to relieve urinary retention, to take uncontaminated urine specimens for examination, to measure residual urine, to measure cold and heat sensation, volume and pressure of the bladder, to inject contrast agents or drugs to aid diagnosis or treatment, etc.
Chinese patent publication No. CN206331714U discloses a urinary surgery catheterization model, which describes "a urinary surgery catheterization model, including a waist model, a hip model is installed at the bottom of the waist model, a half-leg model is installed at the bottom of the hip model, a genital model is installed at one side of the hip model, an anus is installed at one side of the genital model, and a control valve is installed on a ureter", and the urinary surgery catheterization model has a simple structure and a good teaching effect.
Chinese patent publication No. CN208014239U discloses a urethral catheterization model with a detachable genitalia and urethral catheterization part, which describes "a urethral catheterization model with a detachable genitalia and urethral catheterization part, comprising a hip model, a bladder model installed inside the hip model, and a urethral catheterization module installed outside the hip model". This genitals, partial detachable catheterization model of catheterization, it is fixed to genitals model board and mounting panel to block into the second draw-in groove through the fixture block to prevent the outflow of liquid in the bladder model through annular rubber circle, solve genitals model and the partial connection of catheterization and have the problem in certain clearance, be favorable to improving between genitals model board and the mounting panel and between mounting panel and the catheterization board connection compactness.
However, the catheterization teaching model only focuses on the most basic catheterization operation method, is only suitable for common clinical situations, does not have good teaching effect on other common clinical situations (such as bladder rupture, urethral stricture, bladder fistulization and the like), and students cannot deal with various different clinical situations and are contrary to the teaching purpose.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the defects in the prior art and provides a multifunctional human body catheterization model.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a multifunctional human body urethral catheterization model comprises a human body model, wherein the human body model comprises an abdomen model, a hip model and an external genitalia model, an opening is formed in the lower surface of the abdomen model, a cuboid groove is formed in the upper surface of the abdomen model, a prostate part is placed in the abdomen model and comprises a first shell, a urethra is arranged in the first shell, first water bags are arranged on two sides, located on the urethra, in the first shell, a first pipeline is fixedly connected with the input end of the bottom of each first water bag, a first connecting pipe is arranged in the first shell, the two first water bags are communicated through the first connecting pipe, a bladder part is placed in the abdomen model and comprises a second shell, second water bags are arranged on two sides, and the output ends of the two second water bags are fixedly connected with a three-way pipe, the external fixed mounting of three-way pipe has the three-way valve, two the bottom input of second water pocket is fixedly connected with second pipeline, second connecting pipe respectively, the other end fixedly connected with water storage tank of second connecting pipe, the cystostomy device has been placed to the inside of cuboid recess, the cystostomy device includes the third shell, the inside of third shell is provided with the third water pocket, the bottom input fixedly connected with third pipeline of third water pocket.
Preferably, the hip model is fixedly connected with the outer wall of the left side of the abdomen model, the external genitalia model is fixedly connected with the outer wall of the left side of the abdomen model, a cavity is formed in the abdomen model, and the abdomen model, the hip model and the external genitalia model are all made of soft silica gel.
Preferably, the first shell is made of a rectangular hard plastic material, the first water bag is made of an elastic soft rubber material, and the other end of the first pipeline penetrates through the first shell and extends to the outside of the first shell.
Preferably, the second shell is rectangular stereoplasm plastic material, the second water pocket adopts the preparation of the soft rubber materials of elasticity, the other end of second pipeline, second connecting pipe all runs through and extends to the outside of second shell, the extension end of second connecting pipe and the input threaded connection of water storage tank.
Preferably, the three-way pipe and the three-way valve are both made of hard plastics, the urethra is made of soft silica gel, one end of the urethra is communicated with the external genitalia model, and the other end of the urethra is communicated with one end of the three-way pipe.
Preferably, the third shell is made of soft silica gel, the third water bag is made of elastic soft rubber materials, and the other end of the third pipeline penetrates through the third shell and extends to the outside of the third shell.
The utility model has the beneficial effects that:
1. compared with the prior art, the human body catheterization teaching model can change the limitation of the existing catheterization teaching model, has the situations of changing the urethral stricture degree, normal bladder catheterization, bladder rupture, bladder fistulization and the like, is more suitable for clinical practical conditions, increases the teaching variability, can inject water through the first pipeline and the second pipeline by opening the back side opening of the human body model, changes the liquid flow direction in the three-way pipe by controlling the three-way valve, and the like, and has no switch interface outside the human body model, thereby increasing the teaching confidentiality.
2. According to the utility model, the prostate part, the bladder part and the human body model are detachable, the bladder fistulization device in the cuboid groove on the ventral side of the human body model is detachable, the operation of bladder fistulization, which causes great damage to the model, is more convenient to replace, the bladder fistulization device can be maintained in a targeted manner, and the teaching cost is reduced.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Example (b):
as shown in figures 1 to 9:
a multifunctional human body urethral catheterization model comprises a human body model 1, the human body model 1 comprises an abdomen model 101, a hip model 102 and an external genitalia model 103, an opening 2 is arranged on the lower surface of the abdomen model 101, a cuboid groove 3 is arranged on the upper surface of the abdomen model 101, a prostate part 4 is placed inside the abdomen model 101, the prostate part 4 comprises a first shell 401, a urethra 405 is arranged inside the first shell 401, first water sacs 402 are respectively arranged on two sides of the urethra 405 inside the first shell 401, a first pipeline 404 is fixedly connected to the input end of the bottom of each first water sac 402, a first connecting pipe 403 is arranged inside the first shell 401, the two first water sac connecting pipes 402 are communicated through a first connecting pipe 403, a bladder part 5 is placed inside the abdomen model 101, the bladder part 5 comprises a second shell 501, second water sacs 502 are respectively arranged on two sides of the second shell 501, the equal fixedly connected with three-way pipe 506 of output of two second water sacs 502, the outside fixed mounting of three-way pipe 506 has three-way valve 507, the bottom input difference fixedly connected with second pipeline 503 of two second water sacs 502, second connecting pipe 504, the other end fixedly connected with water storage tank 505 of second connecting pipe 504, bladder fistulization device 6 has been placed to the inside of cuboid recess 3, bladder fistulization device 6 includes third shell 601, the inside of third shell 601 is provided with third water sac 602, the bottom input fixedly connected with third pipeline 603 of third water sac 602.
Specifically, the hip model 102 is fixedly connected with the left outer wall of the abdomen model 101, the external genitalia model 103 is fixedly connected with the left outer wall of the abdomen model 101, a cavity is formed inside the abdomen model 101, and the abdomen model 101, the hip model 102 and the external genitalia model 103 are all made of soft silica gel.
Through the technical scheme, the abdomen model 101, the hip model 102 and the external genitalia model 103 are made of soft silica gel, so that the outer skin of a human body can be conveniently simulated, and the prostate part 4 and the bladder part 5 can be conveniently placed in the inner cavity of the abdomen model 101.
Specifically, the first housing 401 is made of a rectangular hard plastic material, the first water bag 402 is made of an elastic soft rubber material, and the other end of the first pipe 404 penetrates through and extends to the outside of the first housing 401.
It is worth mentioning that the first water bag 402 is made of elastic soft rubber material, and when liquid is injected into the first water bag 402 through the first housing 401, the first water bag 402 can be expanded.
Specifically, the second housing 501 is made of a rectangular hard plastic material, the second water bag 502 is made of an elastic soft rubber material, the other ends of the second pipeline 503 and the second connecting pipe 504 penetrate through and extend to the outside of the second housing 501, and the extending end of the second connecting pipe 504 is in threaded connection with the input end of the water storage tank 505.
Through above-mentioned technical scheme, second water pocket 502 adopts the soft rubber material of elasticity, through second pipeline 503 when injecting liquid in second water pocket 502, second water pocket 502 can expand, and threaded connection between second connecting pipe 504 and the water storage tank 505 simultaneously conveniently dismantles water storage tank 505.
Specifically, the three-way pipe 506 and the three-way valve 507 are both made of hard plastics, the urethra 405 is made of soft silica gel, one end of the urethra 405 is communicated with the external genitalia model 103, and the other end of the urethra 405 is communicated with one end of the three-way pipe 506.
It is worth mentioning that the urethra 405 is made of soft silica gel, when the first water sac 402 expands to press the urethra 405, the degree of stenosis of the urethra 405 can be changed, and meanwhile, the liquid in the urethra 405 can enter the inside of the second water sac 502 through the three-way pipe 506.
Specifically, the third housing 601 is made of soft silica gel, the third water bag 602 is made of elastic soft rubber material, and the other end of the third pipe 603 penetrates through and extends to the outside of the third housing 601.
Through the technical scheme, the third water bag 602 is made of elastic soft rubber materials, so that the outer skin of a human body can be conveniently simulated, and meanwhile, liquid can be injected into the third water bag 602 through the third pipeline 603 at the bottom of the third shell 601.
The specific use mode and function of the embodiment are as follows:
when the device is used, liquid can be injected into the first water bag 402 and the second water bag 502 through the first pipeline 404 and the second pipeline 503 through the opening 2 at the bottom of the abdomen model 101, the flow direction of the liquid in the three-way pipe 506 can be changed through rotating the pipe 7, the bladder fistulization device 6 can be taken out from the cuboid groove 3, and the liquid can be injected into the third water bag 602 through the third pipeline 603 at the bottom of the third shell 601;
when the situation of different urethral stricture degrees of a normal urethral catheterization model is simulated, a teacher rotates a three-way valve 507 at a three-way pipe 506 to the direction of a second water bag 502 at the right side of a bladder part 5, liquid in the three-way pipe 506 is cut off through the three-way valve 507, then water is injected from a first pipeline 404 at the bottom of a prostate part 4 according to the situation, a first water bag 402 expands, the first water bag 402 extrudes a urethra 405 so as to change the urethral stricture degree, and the urethral stricture degree 405 can be changed according to the amount of injected water;
when the rupture of the bladder is simulated, the instructor rotates the three-way valve 507 at the three-way pipe 506 to continuously rotate 90 degrees, at the moment, the three-way pipe 506 at the right side of the second water bag 502 is communicated with the urethra 405, liquid is injected into the urethra 405 through the external genital organ model 103, the liquid enters the second water bag 502 at the right side through the three-way pipe 506, the second water bag 502 expands, meanwhile, part of the liquid enters the water storage tank 505 through the second connecting pipe 504, and when an operator sucks the liquid back through the external genital organ model 103, the liquid in the water storage tank 505 cannot be sucked back through the second connecting pipe 504, so that the water injection amount is larger than the suck-back amount;
when simulation cystostomy sight, the instructor takes out cystostomy device 6 on belly model 101 in advance, can inject liquid in third water bag 602 through third shell 601 bottom third pipeline 603, and third water bag 602 is full of the inflation, and third shell 601 also expands simultaneously, puts into cuboid recess 3 with cystostomy device 6 afterwards, and the operator correctly carries out the cystocentesis postoperative through the surface at third shell 601, can simulate the urine and flow out.
The structure and process are described with reference to FIGS. 1-9.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.