CN113539039A - Training device and method for drug application operation of male dilatation catheter - Google Patents
Training device and method for drug application operation of male dilatation catheter Download PDFInfo
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- CN113539039A CN113539039A CN202111022358.0A CN202111022358A CN113539039A CN 113539039 A CN113539039 A CN 113539039A CN 202111022358 A CN202111022358 A CN 202111022358A CN 113539039 A CN113539039 A CN 113539039A
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B23/00—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes
- G09B23/28—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for medicine
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B9/00—Simulators for teaching or training purposes
Abstract
The application relates to a male dilatation catheter drug application operation training device and a using method thereof, wherein the training device comprises a training catheter, a male urethra-bladder model, a urethral stricture simulation part, a detection display module and a shell, the top end of the head part of the training catheter is provided with an dilatation balloon, the dilatation balloon is provided with a drug application part, and the outer surface of the drug application part is coated with a contact coating; the male urethra and bladder model comprises a bladder simulation part and a urethra simulation part, the urethra stenosis simulation part comprises telescopic parts which are oppositely arranged on two sides of the urethra simulation part, each telescopic part comprises a simulation head, a resettable damper, a fixing part and a contact induction module, and the contact induction module sends acquired contact information with the contact coating to the detection display module. The application provides a male dilatation type catheter medicine application operation training device which can train the operation of medicine application to the narrow part of the urethra and can accurately display the training result of the medicine application operation.
Description
Technical Field
The application relates to the technical field of medical teaching aids, in particular to a male dilatation catheter drug application operation training device and a method for using the same.
Background
The catheterization operation is a clinical care routine operation, and specifically comprises the steps of placing a catheter into a bladder from a urethra, and draining urine from the bladder to the outside of the body. The operation of placing the catheter is serious stimulation to the urethra and the bladder, the male urethra has the structural characteristics of slender and bending, and in addition, the physiological and pathological strictures of the urethra can also exist in male patients who need to carry out the catheterization operation clinically, the difficulty of placing the catheter is increased, and the lower urinary tract injury in the placing process is aggravated.
In order to solve the problem that the top end of the head of the catheter usually needs to be pushed by an increased external force when advancing to the narrow part of the urethra, the shearing action between the top end of the head and the urethra at the narrow part of the urethra can cause the inner membrane of the urethra to be rubbed and contused, and possibly cause the microbial infection, the catheter with the narrow expansion function can be used for the operation of placing the catheter.
Patent 201710345800.0 proposes a narrow dilatation catheter, which has an dilatation balloon at the top of the catheter head, and when the catheter encounters a narrow urethral part in the propelling process, the vertical compression force is applied to the intima tissue of the narrow urethral part through the expansion and dilatation of the dilatation balloon to expand and deform the narrow urethral part, so that the catheter smoothly passes through the expanded narrow urethral part. A preferred embodiment of the patent also has an application portion which is an annular depression on the dilation balloon, and by providing the application portion, precise application of lubricant or medication to the inner membrane of the urethral stricture can be achieved.
The structure and the operation steps of the narrow dilatation catheter with the medicine applying part are more complicated than those of the conventional catheters, and the accurate medicine applying operation cannot be performed under the condition of unfamiliarity with the operation, so that sufficient operation training needs to be performed by people such as clinical nursing staff and urology nurses.
However, the existing catheterization operation teaching aid is not designed specifically for the training of drug application to the narrow part of the urethra in the catheterization process, and is not provided with a catheter for training the drug application operation, and cannot acquire the accurate result of the drug application operation, i.e., cannot acquire the information about whether the drug application part is accurately positioned at the narrow part of the urethra, so that the training effect of the drug application operation cannot be evaluated, and the targeted improvement operation cannot be performed according to the training effect.
Therefore, a device for specially training the drug application operation of the narrow expandable urinary catheter and accurately displaying the drug application operation result is needed, so that the operation training of the narrow expandable urinary catheter is closer to the actual use condition, trainees can quickly become familiar with the drug application operation steps and operation key points of the narrow expandable urinary catheter, and the training effect is improved.
Disclosure of Invention
The application aims to provide a male dilatation catheter drug application operation training device and a using method thereof, which are used for training the drug application operation on a urethral stricture part and accurately displaying the training result of the drug application operation.
One aspect of the application provides a male dilatation catheter drug application operation training device, which comprises a training catheter, a male urethra-bladder model, a urethral stricture simulation part, a detection display module and a shell, wherein an dilatation balloon is arranged at the top end of the head part of the training catheter, the male urethra-bladder model comprises a bladder simulation part and a urethral simulation part, one end of the urethral simulation part is communicated with the bladder simulation part, the other end of the urethral simulation part is communicated with an external space, the detection display module is used for detecting and displaying a drug application operation training result, the shell comprises a shell and a cover plate which are detachably connected, and the male urethra-bladder model and the urethral stricture simulation part are fixedly arranged inside the shell; the expansion balloon comprises a fixing part sleeved at the top end of the head part of the training catheter and an expandable expansion part, the expansion part is provided with a medicine applying part, the medicine applying part is an inward annular recess, and the outer surface of the medicine applying part is coated with a contact coating; the urethra simulation part also comprises an expansion channel corresponding to the urethra stenosis simulation part, and the expansion channel forms an opening on the tube wall of the urethra simulation part; urethral stricture emulation portion including the subtend set up in the pars contractilis of urethra analog portion both sides, pars contractilis including simulation head, the attenuator that can reset, fixed part and the contact response module of the protruding inner membrane tissue of shape imitation urethra stricture portion, the contact response module fixed set up in simulation head tip, the contact response module with detect the display module electricity and be connected, will acquire with the contact information transmission of contact coating arrives detect the display module.
Preferably, the expansion balloon is made of an elastic high polymer material without conductivity and with tension, the contact coating is a conductive coating, the contact sensing module comprises an electrode and a current limiting resistor which are not mutually connected, and the contact information is current information.
Preferably, the dilatation balloon is made of an elastic high polymer material which is not magnetic and has tension, the contact coating is a magnetic conduction coating, the contact induction module is a magnetic induction sensor, and the contact information is magnetic field information.
Furthermore, the resettable damper comprises a resettable piston rod and a sleeve wrapping the piston rod, wherein the end part of the piston rod is fixedly connected with the simulation head and can drive the simulation head to perform resettable reciprocating motion along the expansion channel in a damping motion mode; the resettable damper is fixedly mounted inside the fixing portion.
Further, the detection display module comprises a control submodule, a power supply submodule and a display submodule, wherein the power supply submodule is electrically connected with the control submodule and the display submodule and supplies power to the control submodule, the contact induction module and the display submodule, the control submodule receives contact information sent by the contact induction module, judges whether the contact coating is in contact with the contact induction module according to a preset judgment rule and sends an instruction for displaying a pesticide application operation training result to the display submodule, the control submodule and the power supply submodule are packaged on a circuit substrate, and the display submodule is fixedly installed on the outer side of the cover plate.
Preferably, the preset determination rule is that a conduction current exists inside the contact sensing module.
Preferably, the preset determination rule is that the magnetic field induced by the contact induction module is greater than a preset threshold.
Preferably, the bladder simulation part comprises a first half cavity and a second half cavity which are mirror-symmetrical, the contact surfaces of the first half cavity and the second half cavity are the same in shape, the bladder simulation part is formed completely after buckling, and the first half cavity and the first half tubular channel are integrally formed with the shell; the urethra simulation part comprises a first semi-tubular channel and a second semi-tubular channel which are in mirror symmetry, the contact surfaces of the first semi-tubular channel and the second semi-tubular channel are the same in shape, the first semi-tubular channel and the second semi-tubular channel are buckled to form the complete urethra simulation part, and the second semi-cavity, the second semi-tubular channel and the cover plate are integrally formed; the fixing part and the circuit substrate are detachably mounted on the shell.
Preferably, the cover plate is made of a transparent material.
The embodiment of the application provides a male dilatation catheter drug delivery operation training device which has at least the following beneficial effects:
1. the urinary catheter is used in training is including expanding the sacculus and setting up in the portion of giving medicine to the poor free of charge portion that expands the sacculus, the portion of giving medicine to the poor free of charge portion coating has the contact coating that is used for producing contact information, corresponds on the simulation head of narrow emulation portion of urethra and is provided with the response module, through setting up contact coating and response module, can make pointed references to carry out the expansion of the narrow position of urethra and the operation of giving medicine to poor free of charge for the operation training of narrow expansion type urinary catheter is closer to actual use condition more.
2. The detection display unit judges whether the medicine application operation is carried out at the correct position or not through the contact information, can accurately display the medicine application operation result, and can accurately evaluate the training effect according to the operation result.
Another aspect of the present application provides a method for using the male dilatation catheter drug delivery operation training device, comprising the following steps:
the first step is as follows: placing said training catheter into said urethral simulator;
the second step is that: when the resistance of the urethral stricture simulation part is sensed in the process of implantation, the position of the catheter for training is adjusted forwards and backwards to enable the medicine applying part to be aligned with the contact sensing module;
the third step: performing a drug application operation training by expanding the dilation balloon;
the fourth step: the detection display module acquires the contact information and displays an application operation training result on the display submodule;
the fifth step: and evaluating the training effect of the pesticide applying operation according to the training result of the pesticide applying operation.
Drawings
FIG. 1 is a schematic view of a stenotic dilation catheter performing a catheterizing procedure;
FIG. 2 is a schematic view of a narrow dilatation catheter with an applicator advanced to a urethral stricture;
FIG. 3 is a schematic view of a stricture dilation catheter with a drug delivery portion for dilation and drug delivery in a urethral stricture;
FIG. 4 is a cross-sectional view of an end of an exercise catheter according to an embodiment of the present application placed within a body;
FIG. 5 is a top view of the internal structure of the male dilation catheter application exercise device according to an embodiment of the present application;
FIG. 6 is an exploded view of the assembly of the male dilatation catheter administration training device according to the embodiment of the present application;
FIG. 7 is a top view of a urethral stricture simulation member according to an embodiment of the present application;
FIG. 8 is an exploded view of the telescoping section of an embodiment of the present application;
FIG. 9 is a block diagram of a connection of a detection display module according to an embodiment of the present application;
FIG. 10 is a schematic view of a training catheter contacting a urethral stricture simulation member according to an embodiment of the present application;
FIG. 11 is a schematic view of a contact coating and a contact sensing module of an embodiment of the present application being misaligned;
FIG. 12 is a schematic view of the contact coating and the contact sensing module in alignment according to an embodiment of the present application.
Reference numerals in the figures
11 bladder simulation part, 11 'bladder, 111 first half cavity, 112 second half cavity, 12 urethra simulation part, 12' urethra, 121 first half tubular channel, 122 second half tubular channel, 13 expanding channel, 13 'urethra stenosis part, 2 urethra stenosis simulation part, 20 expansion part, 21 simulation head, 22 resettable damper, 221 piston rod, 222 sleeve, 23 fixing part, 24 contact induction module, 31 shell, 32 cover plate, 40 circuit substrate, 41 control submodule, 42 power supply submodule, 43 display submodule, 5 training catheter, 5' stenosis expansion type catheter, 51 urinary catheter, 52 urine inlet, 53 remaining balloon, 54 expanding balloon, 541 fixed ring 542 expanding part, 543 airway, drug application part and 545 contact coating.
Detailed Description
Hereinafter, the present application will be further described based on preferred embodiments with reference to the accompanying drawings.
In addition, for convenience of understanding, various components on the drawings are enlarged (thick) or reduced (thin), but this is not intended to limit the scope of the present application.
Singular references also include plural references and vice versa.
In the description of the embodiments of the present application, it should be noted that if the terms "upper", "lower", "inner", "outer", etc. are used for indicating the orientation or positional relationship based on the orientation or positional relationship shown in the drawings or the orientation or positional relationship which is usually arranged when the embodiments of the present application are used, the description is only for convenience and simplicity, but the indication or suggestion that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, cannot be understood as the limitation of the present application. Moreover, the terms first, second, etc. may be used in the description to distinguish between different elements, but these should not be limited by the order of manufacture or by importance to be understood as indicating or implying any particular importance, and their names may differ from their names in the detailed description of the application and the claims.
The terminology used in the description is for the purpose of describing the embodiments of the application and is not intended to be limiting of the application. It is also to be understood that, unless otherwise expressly stated or limited, the terms "disposed," "connected," and "connected" are intended to be open-ended, i.e., may be fixedly connected, detachably connected, or integrally connected; they may be mechanically coupled, directly coupled, indirectly coupled through intervening media, or may be interconnected between two elements. The above-mentioned meanings specifically ascribed to the present application will be understood to those skilled in the art.
To illustrate the embodiment of the present application more clearly, we first describe the procedure of using the narrow expandable urinary catheter of the prior art to perform catheterization, fig. 1 to 3 are schematic diagrams of using the narrow expandable urinary catheter 5 ' of the prior art to perform catheterization, the narrow expandable urinary catheter 5 ' is fixedly provided with an expansion balloon 54 at the top end of the head, the expansion balloon 54 is made of flexible material with tension, and includes a fixing ring 541 and an expansion part 542, the fixing ring 541 covers the top end of the head of the urinary catheter and covers an air passage 543 arranged in the wall of the urinary catheter, the outer diameter of the expansion part 542 is smaller when the expansion part 542 is not inflated, as a preferable scheme, an application part 544 can be further arranged at the interface of the expansion part 542 and the fixing ring 541, the application part 544 is an inward annular recess for containing lubricant or medicine, and other structures of the narrow expandable urinary catheter 5 ' are common structures known by those skilled in the art, and will not be described in detail herein.
When the stricture dilation type urinary catheter 5 'meets the urethral stricture 13' in the advancing process, the head of the urinary catheter with larger outer diameter can not pass through, but the dilation part 542 with smaller outer diameter can enter the stricture urethra 12 ', at the moment, the dilation part 542 is inflated through the air passage 543, the dilation part 542 expands along with the inflation, the generated compression force vertically acts on the endourethral membrane at the stricture to dilate the urethra 12' at the stricture, the medicine applying part 544 gradually expands along with the expansion of the dilation part 542, the contained lubricant or medicine is applied to the endourethral at the stricture, then the air is discharged through the air passage 543 to swell and relieve the dilation part 542, the endomembrane tissue at the stricture part can basically keep the dilated state for a period of time after the compression deformation, meanwhile, the lubricant applied to the endomembrane at the stricture part enables the head tip of the stricture type urinary catheter 5 'to easily pass through the dilated urethra 12', after the catheter head enters the bladder 11 ', the indwelling balloon 53 is expanded to fix the catheter head in the bladder 11 ', and the urine in the bladder 11 ' is discharged out of the body through the urine inlet 52 via the catheter tube 51.
The structure and the operation steps of the stricture dilatation catheter with the drug application part 544 are more complicated than those of the conventional catheters, and the precise drug application operation cannot be performed under the condition of unfamiliarity with the operation, so that sufficient operation training needs to be performed by people such as clinical nursing staff and urology nurses.
However, the existing catheterization teaching aid is not designed specifically for the training of drug application to the urethral stricture part in the catheterization process, and has no catheter for training the drug application operation and no accurate result of the drug application operation, i.e., information on whether the drug application part 544 is accurately positioned at the urethral stricture part can not be obtained, so that the training effect of the drug application operation can not be evaluated, and the operation can not be improved in a targeted manner according to the training effect.
In order to solve the above problems, an aspect of the embodiments of the present application provides a male dilatation catheter medication operation training device for training medication operation on a urethral stricture part and accurately displaying a training result of the medication operation, as shown in fig. 4 to 6, comprising a training catheter 5, a male urethra-bladder model, a urethra-stricture simulation part 2, a detection display module and a housing, wherein an dilatation balloon 54 is disposed at a top end of a head of the training catheter 5, the male urethra-bladder model comprises a bladder simulation part 11 and a urethra simulation part 12, wherein the bladder simulation part 11 is a hollow cavity simulating a bladder shape, the urethra simulation part 12 is a hollow tubular channel simulating a urethra shape, one end of the urethra simulation part 12 is communicated with the bladder simulation part 11, the other end is communicated with an external space, the detection display module is used for detecting and displaying the training result of the medication operation, the shell comprises a shell body 31 and a cover plate 32 which are detachably connected, and the male urethra-bladder model and the urethra-stenosis simulation part 2 are fixedly arranged in the shell;
the dilatation balloon 54 comprises a fixing ring 541 sleeved on the head top end of the training catheter 5 and an expandable dilatation part 542, wherein the dilatation part 542 is provided with an application part 544, the application part 544 is an inward annular recess, and the outer surface of the application part 544 is coated with a contact coating 545;
the urethra simulation part 12 further comprises an expansion channel 13 corresponding to the urethra stricture simulation part 2, and the expansion channel 13 forms an opening on the tube wall of the urethra simulation part 12;
the urethral stricture simulation part 2 comprises telescopic parts 20 oppositely arranged at two sides of the urethral stricture simulation part 12, the telescopic parts 20 comprise a simulation head 21 with a shape simulating the protruding intima tissue of the urethral stricture, a resettable damper 22, a fixing part 23 and a contact sensing module 24, the contact sensing module 24 is fixedly arranged at the end part of the simulation head 21, the contact sensing module 24 is electrically connected with the detection display module, and the acquired contact information with the contact coating 545 is sent to the detection display module.
Specifically, fig. 4 is a cross-sectional view of the end of the training catheter 5 according to the embodiment of the present application placed inside the body, as shown in fig. 4, and the outer surface of the application portion 544 of the dilatation balloon 54 is coated with a contact coating 545. The applied contact coating 545 has specific properties that are different from the exterior surface of the dilation balloon 54 and can be sensed by the corresponding contact sensing module 24 to enable location detection of specific areas on the dilation balloon 54. The other components and structural relationship of the urinary training catheter 5 are the same as those of the existing narrow dilating catheters, and are not described in detail herein.
FIG. 5 is a top view of the internal structure of the male dilatation catheter application training device provided by the embodiment of the present application (the training catheter 5 is not shown in the figure), wherein the cover plate 32 is placed in the opposite direction to the actual installation direction for the sake of clarity; fig. 6 is an exploded view of an assembly of an exercise device for use in applying medication to a male dilatation catheter according to an embodiment of the present application (the exercise catheter 5 is not shown in the figure).
Specifically, in the embodiment of the present application, the shell 31 and the cover plate 32 are detachably and fixedly connected by means of a screw and a nut which are matched with each other or a buckle and a slot which are matched with each other, so as to fixedly mount the male urethra-bladder model and the urethral stricture simulation part 2 therein.
Specifically, the urethral simulator 12 has an expansion channel 13 corresponding to the urethral stricture simulator 2, and the expansion channel 13 intersects the urethral simulator 12 in the direction thereof, and has openings facing each other in the wall of the urethral simulator 12.
Specifically, as shown in the assembled top view of the urethral stricture simulation section 2 of fig. 7, the urethral stricture simulation section 2 includes the extensible sections 20 oppositely disposed on both sides of the urethral stricture simulation section 12, the extensible sections 20 include the simulation head 21 whose shape simulates the intima tissue protruding from the urethral stricture section, the resettable damper 22, the fixing section 23 and the contact sensing module 24, and the contact sensing module 24 is fixedly disposed at the end of the simulation head 21 by means of gluing, drilling, or the like.
Further, the contact sensing module 24 is a sensing probe capable of sensing the contact coating 545 applied to the outer surface of the drug application portion 544, for example, a sensing probe capable of sensing a conductor or a sensing probe capable of sensing a magnetic field, and the contact sensing module 24 is electrically connected to the detection display module and transmits the acquired contact information with the contact coating 545 to the detection display module.
In the specific implementation manner of the embodiment of the present application, the number of the contact sensing modules 24 may be 1, and the contact sensing modules are disposed at the end of any one of the simulation heads 21; or two, placed at the end of two dummy heads 21.
In a preferred embodiment of the present embodiment, the inflatable balloon 54 is made of a non-conductive elastic polymer material with tension, the contact coating 545 is a conductive coating, the contact sensing module 24 includes electrodes and a current limiting resistor that are not connected to each other, and the contact information is current information. Specifically, the conductive coating layer may be formed by mixing conductive metal powder in a paint having ductility and then coating the mixture on the outer surface of the medicine applying portion 544, or may be formed by cutting a filter having conductivity into a strip having a width matching the width of the medicine applying portion 544 and attaching the cut strip to the outer surface of the medicine applying portion 544, and the contact sensing module 24 includes an electrode and a current limiting resistor which are not connected to each other, and when a voltage is applied to the electrode which is not connected to each other, the contact information indicates the presence or absence of current according to whether the contact coating layer 545 is in contact with the electrode.
In another preferred embodiment of the present embodiment, the dilatation balloon 54 is made of a non-magnetically permeable elastic polymer material with tension, the contact coating 545 is a magnetically permeable coating, the contact sensing module 24 is a magnetic induction sensor, and the contact information is magnetic field information. Specifically, the magnetic conductive layer can be formed by mixing magnetic powder in a paint with ductility and then coating the magnetic powder on the outer surface of the medicine applying portion 544, the contact sensing module 24 is a magnetic induction sensor, the change of the positions of the contact coating 545 and the contact sensing module 24 causes the strength of a magnetic field where the magnetic induction sensor is located to change, the resistance value of the magnetic induction resistor correspondingly applies voltage to the two ends of the magnetic induction resistor, the resistance value of the magnetic induction resistor inside the magnetic induction sensor also changes accordingly, when voltage is applied to the two ends of the magnetic induction resistor, the current passing through the magnetic induction resistor also changes correspondingly, namely, the size of the magnetic field sensed by the magnetic induction sensor changes, and at the moment, the contact information is the magnetic field information acquired by the magnetic induction sensor.
Further, as shown in the assembled exploded view of the telescopic portion 20 in fig. 8, the resettable damper 22 includes a resettable piston rod 221 and a sleeve 222 covering the piston rod 221, wherein an end of the piston rod 221 is fixedly connected to the simulator head 21, and can drive the simulator head 21 to perform resettable reciprocating motion along the expansion channel 13 in a damping motion manner; the resettable damper 22 is fixedly mounted within the fixed portion 23.
Specifically, the resettable damper 22 is a component for damping movement by utilizing viscosity of gas or liquid, the cylinder in the sleeve 222 is sealed with gas or damping liquid and is provided with a component for resetting, such as a spring (not shown in the figure), one end of the piston rod 221 is arranged in the sleeve 222 and connected with the resetting component, the other end of the piston rod is exposed out of the sleeve 222, and performs damping movement towards the sleeve 222 when receiving a pressing force, and the piston rod is reset slowly under the action of the resetting component when the pressing force disappears.
In a specific implementation manner of the embodiment of the present application, the axis of the expansion channel 13 is perpendicular to the axis of the urethral simulator 12, the connecting line of the two expansion parts 20 oppositely disposed at both sides of the urethral simulator 12 is perpendicular to the axis of the urethral simulator 12, and the movement direction of the resettable damper 22 is perpendicular to the axis direction of the urethral simulator 12.
In a specific implementation manner of the embodiment of the present application, the distance between the two expansion/contraction parts 20 oppositely disposed at both sides of the urethral simulator is set as follows: when the resettable damper 22 is not under compression, the mock head 21 is positioned within the expansion channel 13.
Preferably, in the embodiment of the present application, the bladder simulation part 11 includes a first half cavity 111 and a second half cavity 112 which are mirror symmetric, the contact surfaces of the first half cavity 111 and the second half cavity 112 are the same, and the complete bladder simulation part 11 is formed after buckling; the urethra simulation part 12 comprises a first semi-tubular channel 121 and a second semi-tubular channel 122 which are mirror-symmetrical, the contact surface shapes of the first semi-tubular channel 121 and the second semi-tubular channel 122 are the same, the urethra simulation part 12 is formed completely after buckling, and the expansion channel 13 is formed automatically after the first semi-tubular channel 121 and the second semi-tubular channel 122 are buckled. The bladder simulation part 11 and the urethra simulation part 12 are designed to be split, so that the complexity and the cost of a die can be greatly reduced, the production difficulty is reduced, and the production efficiency is improved.
Preferably, in the embodiment of the present application, the first half-cavity 111 and the first half-tubular passage 121 are made integrally with the housing 31; the second half-cavity 112 and the second half-tubular passage 122 are made integral with the cover plate 32; the fixing portion 23 is detachably fixed to the housing 31. By integrally forming the bladder simulation part 11 and the urethra simulation part 12 with the shell 31 and the cover plate 32, the production process and the assembly process are further simplified, and the later installation and fixation are facilitated.
Preferably, the cover plate 32 is made of a transparent material. In the embodiment of the application, the cover plate 32 can be made of transparent materials such as acrylic, plastic or toughened glass, and the cover plate 32 is arranged to be transparent so that the catheterization operation can be clearly observed, and the operation training effect can be conveniently evaluated.
Further, as shown in the connection block diagram of the detection display module of fig. 9, the detection display module includes a control submodule 41, a power submodule 42 and a display submodule 43, the power submodule 42 is electrically connected with the control submodule 41 and the display submodule 43 to supply power to the control submodule 41, the contact sensing module 24 and the display submodule 43, the control submodule 41 receives contact information sent by the contact sensing module 24, judges whether the contact coating 545 contacts the contact sensing module 24 according to a preset judgment rule, and sends an instruction for displaying a training result of an application operation to the display submodule 43, the control submodule 41 and the power submodule 42 are packaged on the circuit substrate 40, and the display submodule 43 is fixedly mounted on the outer side of the cover plate 32.
Specifically, the power supply sub-module 42 may be a dry battery, a rechargeable battery module with a charging interface, or a wireless charging module, and the display sub-module 43 may be a seven-segment digital tube module, a liquid crystal display module, or the like.
The following describes in detail the flow of detecting and displaying the training result of the drug administration operation by the detection display module according to the embodiment of the present application with reference to fig. 10 to 12.
Figure 10 shows a schematic view of the head of the training catheter 5 approaching and contacting the urethral stricture simulation section 2 when a significant resistance is felt in the forward advancement, i.e. encountering the stricture in the urethra. The position of the training catheter 5 is moved back and forth and adjusted so that the application portion 544 is aligned with the contact sensing module 24 on the mock head 21, and then the expansion portion 542 is expanded through the air passage 543, and as the expansion portion 542 expands, the application portion 544 will expand and the contact coating 545 applied to the outside thereof will contact the mock head 21. Depending on the forward and backward movement position of the head of the training urinary catheter 5, there are two possibilities of alignment and misalignment between the contact coating 545 and the contact sensing module 24 on the mock head 21, fig. 11 is a schematic view of misalignment between the contact coating 545 and the contact sensing module 24, and fig. 12 is a schematic view of alignment between the contact coating 545 and the sensing module.
In a preferred embodiment of this embodiment, the contact coating 545 is a conductive coating, the contact sensing module 24 includes an electrode and a current limiting resistor that are not connected to each other, and the predetermined determination rule is that there is a conduction current inside the contact sensing module 24.
Specifically, when the contact coating 545 is not in contact with and is connected to the electrodes of the contact sensing module 24, no conduction current exists in the contact sensing module 24, and the control submodule 41 determines, according to a preset determination rule, that the contact coating 545 is not in contact with the contact sensing module 24; when the contact coating 545 is aligned with the contact sensing module 24 to conduct the electrodes of the basic sensing module, a conduction current exists in the contact sensing module 24, and the control sub-module 41 determines that the contact coating 545 is in contact with the contact sensing module 24 according to a preset determination rule.
In another preferred embodiment of this embodiment, the contact coating 545 is a magnetic conductive coating, the contact sensing module 24 is a magnetic induction sensor, and the predetermined determination rule is that the magnetic field induced by the contact sensing module 24 is greater than a predetermined threshold.
Specifically, when the contact coating 545 is not aligned with the contact sensing module 24, the magnetic field induced by the contact sensing module 24 is smaller than a preset threshold, and the control submodule 41 determines that the contact coating 545 is not in contact with the contact sensing module 24 according to a preset determination rule; when the contact coating 545 is aligned with the contact sensing module 24, the magnetic field induced by the contact sensing module 24 is greater than a predetermined value, and the control sub-module 41 determines that the contact coating 545 is in contact with the contact sensing module 24 according to a predetermined determination rule.
In the embodiment of the application, the urinary catheter 5 for training comprises an expansion balloon 54 and a drug applying part 544 arranged on the expansion balloon 54, the drug applying part 544 is coated with a contact coating 545 for generating contact information, a simulation head 21 of the urethral stricture simulation part 2 is correspondingly provided with a sensing module, and the contact coating 545 and the sensing module are arranged to perform the operations of expansion and drug application of the urethral stricture part in a targeted manner, so that the operation training of the stricture expansion urinary catheter is closer to the actual use condition; the detection display unit judges whether the medicine application operation is carried out at the correct position or not through the contact information, can accurately display the medicine application operation result, and can accurately evaluate the training effect according to the operation result.
Another aspect of embodiments of the present application provides a method for using the male dilatation catheter application training device, comprising the steps of:
the first step is as follows: placing said training catheter 5 into said urethral simulator 12;
the second step is that: when the resistance of the urethral stricture simulation part 2 is sensed in the process of implantation, the position of the training catheter 5 is adjusted back and forth to make the medicine applying part 544 aligned with the contact sensing module 24;
the third step: training the administration operation by expanding the dilation balloon 54;
the fourth step: the detection display module acquires the contact information and displays the medicine application operation training result on the display submodule 43;
the fifth step: and evaluating the training effect of the pesticide applying operation according to the training result of the pesticide applying operation.
While the present invention has been described in detail and with reference to specific embodiments thereof, it will be apparent to one skilled in the art that various changes and modifications can be made therein without departing from the spirit and scope thereof as defined in the appended claims.
Claims (10)
1. The utility model provides a male dilatation type catheter operation trainer of giving medicine to, be used for training to carry out the operation of giving medicine to the urethra stenosis portion, and the training result of operation of giving medicine to is shown to the accuracy, including training with catheter, male urethra bladder model, urethra stenosis emulation portion, detection display module and shell, training is with catheter head top end and is equipped with the expansion sacculus, male urethra bladder model is including simulation bladder portion and urethra simulation portion, urethra simulation portion one end with bladder simulation portion intercommunication, the other end communicates with the exterior space, detection display module is used for detecting and show the operation training result of giving medicine to the poor free of charge, the shell includes detachably connected casing and apron, male urethra bladder model and urethra stenosis emulation portion fixed mounting are in inside the shell, its characterized in that:
the expansion balloon comprises a fixing part sleeved at the top end of the head part of the training catheter and an expandable expansion part, the expansion part is provided with a medicine applying part, the medicine applying part is an inward annular recess, and the outer surface of the medicine applying part is coated with a contact coating;
the urethra simulation part also comprises an expansion channel corresponding to the urethra stenosis simulation part, and the expansion channel forms an opening on the tube wall of the urethra simulation part;
urethral stricture emulation portion including the subtend set up in the pars contractilis of urethra analog portion both sides, pars contractilis including simulation head, the attenuator that can reset, fixed part and the contact response module of the protruding inner membrane tissue of shape imitation urethra stricture portion, the contact response module fixed set up in simulation head tip, the contact response module with detect the display module electricity and be connected, will acquire with the contact information transmission of contact coating arrives detect the display module.
2. The male dilatation catheter application training device of claim 1 wherein:
the expansion sacculus is made of elastic high polymer materials which do not have conductivity and have tension, the contact coating is a conductive coating, the contact sensing module comprises electrodes and a current-limiting resistor which are not mutually communicated, and the contact information is current information.
3. The male dilatation catheter application training device of claim 1 wherein:
the expansion sacculus is made by the elasticity macromolecular material that does not possess magnetism and have tension, the contact coating is the magnetic conduction coating, the contact response module is magnetic induction sensor, the contact information is magnetic field information.
4. The male dilatation catheter application training device of claim 1 wherein:
the resettable damper comprises a resettable piston rod and a sleeve wrapping the piston rod, wherein the end part of the piston rod is fixedly connected with the simulation head and can drive the simulation head to perform resettable reciprocating motion along the expansion channel in a damping motion mode;
the resettable damper is fixedly mounted inside the fixing portion.
5. The male dilatation catheter application training device of claim 1 wherein:
the detection display module comprises a control submodule, a power supply submodule and a display submodule, wherein the power supply submodule is electrically connected with the control submodule and the display submodule and supplies power to the control submodule, the contact induction module and the display submodule, the control submodule receives contact information sent by the contact induction module, judges whether the contact coating is in contact with the contact induction module according to a preset judgment rule and sends an instruction for displaying an application medicine operation training result to the display submodule, the control submodule and the power supply submodule are packaged on a circuit substrate, and the display submodule is fixedly installed on the outer side of the cover plate.
6. The male dilatation catheter application training device of claim 5 wherein:
the preset judgment rule is that conduction current exists in the contact induction module.
7. The male dilatation catheter application training device of claim 5 wherein:
the preset judgment rule is that the magnetic field induced by the contact induction module is larger than a preset threshold value.
8. The training device for applying a drug to a male dilatation catheter of any one of claims 1 to 7, wherein:
the bladder simulation part comprises a first half cavity and a second half cavity which are in mirror symmetry, the contact surfaces of the first half cavity and the second half cavity are the same in shape, the first half cavity and the second half cavity are buckled to form the complete bladder simulation part, and the first half cavity and the first half tubular channel are integrally formed with the shell;
the urethra simulation part comprises a first semi-tubular channel and a second semi-tubular channel which are in mirror symmetry, the contact surfaces of the first semi-tubular channel and the second semi-tubular channel are the same in shape, the first semi-tubular channel and the second semi-tubular channel are buckled to form the complete urethra simulation part, and the second semi-cavity, the second semi-tubular channel and the cover plate are integrally formed;
the fixing part and the circuit substrate are detachably mounted on the shell.
9. The male dilatation catheter application training device of claim 8 wherein:
the cover plate is made of a transparent material.
10. A method of administering an operation training device using a male dilatation catheter according to any of the claims 5-9, characterized in that the training method comprises the steps of:
placing said training catheter into said urethral simulator;
when the resistance of the urethral stricture simulation part is sensed in the process of implantation, the position of the catheter for training is adjusted forwards and backwards to enable the medicine applying part to be aligned with the contact sensing module;
performing a drug application operation training by expanding the dilation balloon;
the detection display module acquires the contact information and displays an application operation training result on the display submodule;
and evaluating the training effect of the pesticide applying operation according to the training result of the pesticide applying operation.
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