Automatic urination device and system based on pressure induction

Abstract

The invention aims to provide an automatic urination device and system based on pressure induction, and relates to the technical field of medical instruments.A catheter and a drainage bag are connected through an automatic urination assembly, during use, the catheter is inserted into the bladder through the urethra, urine in the bladder is blocked in a shell of the automatic urination assembly through the catheter, and the automatic urination assembly is used for urination. Pressure is detected through the pressure sensor, the display screen is arranged on the shell to display the pressure value, and when the pressure sensor detects that the pressure is larger than or equal to a 15 cm water column, the control module controls the electromagnetic valve to be opened, the catheter and the drainage bag are communicated, and urination is achieved; when the pressure sensor detects that the pressure is smaller than or equal to a 2cm water column, namely after urine is completely discharged, the control module controls the electromagnetic valve to be closed, the catheter and the drainage bag are blocked, and therefore automatic urination is achieved, medical care manpower is reduced, and the situation that a patient forgets to urinate is effectively avoided.

Description

Technical Field

[0001] The present invention relates to the technical field of medical devices, and particularly relates to an automatic urination device and system based on pressure sensing. Background Art

[0002] With the aging of the population and the gradual increase in the average life expectancy, the number of patients with dysuria has been increasing year by year, and long-term indwelling urinary catheters are required.

[0003] For the existing urinary catheters, nursing staff and accompanying persons need to regularly open the urinary catheter for urination, which increases the labor cost; at the same time, because the urine generation speed of the human body is not uniform, it is difficult to calculate the urination time of the patient. In addition, due to reasons such as work of the nursing staff and accompanying persons, they may not be able to timely remind the patient to urinate, resulting in urinary retention of the patient, affecting the renal function of the patient and aggravating the condition. Summary of the Invention

[0004] In view of the deficiencies of the prior art, the present invention provides the following technical solutions: An automatic urination device and system based on pressure sensing, the device includes a urinary catheter, an automatic urination component and a drainage bag; The urinary catheter is connected to the drainage bag through the automatic urination component, and the automatic urination component includes a housing. Connection parts are fixedly arranged at both ends of the housing, and the urinary catheter and the drainage bag are connected through the connection parts; The connection part includes a joint fixedly connected to the housing. A sleeve is movably sleeved on the joint, and the outer wall of the joint and the inner wall of the sleeve are both conical surface structures.

[0005] Further, a thread is provided at one end of the outer wall of the joint close to the housing, and a screw sleeve is threadedly sleeved on the joint. The front end of the screw sleeve is rotatably connected to the tail end of the sleeve.

[0006] An automatic urination device and system based on pressure sensing, the system includes a pressure sensor, a solenoid valve, a control module, and a battery arranged in the housing; When the pressure sensor detects that the pressure is greater than or equal to 15 cm of water column, the control module controls the solenoid valve to open, conducting the urinary catheter and the drainage bag; when the pressure sensor detects that the pressure is less than or equal to 2 cm of water column, the control module controls the solenoid valve to close, blocking the urinary catheter and the drainage bag.

[0007] Further, the pressure sensor is used to detect the pressure of the accumulated urine in the housing on the housing and transmit an electrical signal to the control module; the control module is used to receive the electrical signal of the pressure sensor and control the opening or closing of the solenoid valve according to the pressure detected by the pressure sensor; the battery is used to supply power to the pressure sensor, the control module, and the solenoid valve.

[0008] Further, a display screen is provided on the outer shell to display the value of the pressure sensor.

[0009] Compared with the prior art, the technical solution of the present application has the following beneficial effects: In the present invention, the automatic urination component connects the catheter and the drainage bag. When in use, the catheter is inserted into the bladder through the urethra, and the urine in the bladder is blocked in the outer shell of the automatic urination component by the catheter. The pressure is detected by the pressure sensor, and a display screen is provided on the outer shell to display the pressure value. When the pressure sensor detects that the pressure is greater than or equal to 15 cm of water column, the control module controls the solenoid valve to open, connecting the catheter and the drainage bag to achieve urination; when the pressure sensor detects that the pressure is less than or equal to 2 cm of water column, that is, after the urine is drained, the control module controls the solenoid valve to close, blocking the catheter and the drainage bag, thereby realizing automatic urination, reducing the medical staff, and effectively avoiding forgetting to urinate the patient. Description of the Drawings

[0010] Figure 1 is a schematic diagram of the overall structure of the present invention; Figure 2 is a schematic diagram of the structure of the automatic urination component of the present invention; Figure 3 is a schematic diagram of the internal structure of the automatic urination component of the present invention; Figure 4 is a schematic diagram of the working process of the automatic urination system of the present invention.

[0011] In the figure: catheter - 1, drainage bag - 2, automatic urination component - 3, outer shell - 31, joint - 32, sleeve - 33, screw sleeve - 34, display screen - 35, pressure sensor - 36, solenoid valve - 37, control module - 38, battery - 39. Specific Embodiments

[0012] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention. Embodiment 1:

[0013] Please refer to Figures 1-4 , the design purpose of this application is to achieve automatic urination. When the existing catheter 1 is used, it is necessary for nursing staff and accompanying personnel to regularly open the catheter 1 to urinate, which increases the labor cost. At the same time, because the urine production speed of the human body is not uniform, it is very difficult to calculate the urination time of the patient. In addition, due to work and other reasons of the nursing staff and accompanying personnel, they may not be able to timely remind the patient to urinate, resulting in urinary retention of the patient, affecting the renal function of the patient and aggravating the condition; Therefore, an automatic urination device and system based on pressure sensing are designed. The device includes a urinary catheter 1, an automatic urination component 3, and a drainage bag 2; the urinary catheter 1 and the drainage bag 2 are connected through the automatic urination component 3. The automatic urination component 3 includes a housing 31, and connecting parts are fixedly arranged at both ends of the housing 31, and the urinary catheter and the drainage bag 2 are connected through the connecting parts; In this embodiment, both the urinary catheter 1 and the drainage bag 2 are existing structures. Commonly used urinary catheters are 116Fr and 18Fr, with diameters of 5.3mm and 6mm. The inner diameter of the outer interface where the urinary catheter 1 is connected to the drainage bag 2 is 1.0 cm. The inner diameter of the interface where the drainage bag 2 is connected to the outer opening of the urinary catheter 1 is 0.5 - 1.3 cm; In this embodiment, for an automatic urination device and system based on pressure sensing, the system includes a pressure sensor 36, a solenoid valve 37, a control module 38, and a battery 39 arranged in the housing 31; when the pressure sensor 36 detects that the pressure is greater than or equal to 15 cm of water column, the control module 38 controls the solenoid valve 37 to open, conducting the urinary catheter 1 and the drainage bag 2; when the pressure sensor 36 detects that the pressure is less than or equal to 2 cm of water column, the control module 38 controls the solenoid valve 37 to close, blocking the urinary catheter 1 and the drainage bag 2; In this embodiment, the pressure sensor 36 is used to detect the pressure of the urine accumulated in the housing 31 on the housing 31 and transmit an electrical signal to the control module 38; the control module 38 is used to receive the electrical signal of the pressure sensor 36 and control the opening or closing of the solenoid valve 37 according to the pressure detected by the pressure sensor 36; the battery 39 is used to supply power to the pressure sensor 36, the control module 38, and the solenoid valve 37; a display screen 35 is arranged on the housing 31 to display the value of the pressure sensor 36; In this embodiment, the urinary catheter 1 and the drainage bag 2 are connected through the automatic urination component 3. During use, the urinary catheter 1 is inserted into the bladder through the urethra. The urine in the bladder is blocked in the housing 31 of the automatic urination component 3 through the urinary catheter 1. The pressure is detected by the pressure sensor 36, and a display screen 35 is arranged on the housing 31 to display the pressure value. When the pressure sensor 36 detects that the pressure is greater than or equal to 15 cm of water column, the control module 38 controls the solenoid valve 37 to open, conducting the urinary catheter 1 and the drainage bag 2 to achieve urination; when the pressure sensor 36 detects that the pressure is less than or equal to 2 cm of water column, that is, after urination is completed, the control module 38 controls the solenoid valve 37 to close, blocking the urinary catheter 1 and the drainage bag 2, thereby realizing automatic urination, reducing medical staff labor, and effectively avoiding forgetting to urinate for patients. Embodiment 2:

[0014] Please refer to Figures 1-4 , considering that in different actual use processes, there will be urinary catheters 1 and drainage bags 2 of different specifications, the connecting parts designed in this application can connect urinary catheters 1 and drainage bags 2 of different specifications; In this embodiment, the connecting portion includes a joint 32 fixedly connected to the outer shell 31. A sleeve 33 is movably sleeved on the joint 32. The outer wall of the joint 32 and the inner wall of the sleeve 33 are both conical surface structures; a thread is provided at one end of the outer wall of the joint 32 close to the outer shell 31. A nut 34 is threadedly sleeved on the joint 32. The front end of the nut 34 is rotatably connected to the tail end of the sleeve 33; In this embodiment, the catheter 1 and the drainage bag 2 are both existing structures. The common catheters are 116Fr and 18Fr, with diameters of 5.3mm and 6mm; the inner diameter of the outer interface where the catheter 1 is connected to the drainage bag 2 is 1.0 cm. The inner diameter of the interface where the drainage bag 2 is connected to the outer opening of the catheter 1 is 0.5 - 1.3 cm; Therefore, the diameter range of the front end of the joint 32, that is, the minimum outer diameter end of the joint 32, is 0.5 - 1.0 cm, and the diameter range of the maximum outer diameter end of the joint 32 is 1 - 1.5 cm; In this embodiment, through the design of the conical surface structure on the outer wall of the joint 32, different specifications of the catheter 1 and the drainage bag 2 can be adapted. And through the design of the sleeve 33, by rotating the nut 34 to drive the sleeve 33 to move backward, the conical surface structure on the inner wall of the sleeve 33 and the conical surface structure on the outer wall of the joint 32 clamp and fix the catheter 1 and the drainage bag 2, which is convenient for disassembly and assembly.

[0015] The preferred embodiments of the present invention disclosed above are only used to help illustrate the present invention. The preferred embodiments do not describe all the details in detail, nor limit the invention to the specific embodiments described. Obviously, according to the content of this specification, many modifications and changes can be made. This specification selects and specifically describes these embodiments to better explain the principle and practical application of the present invention, so that those skilled in the art can well understand and utilize the present invention. The present invention is only limited by the claims and their full scope and equivalents.

Claims

1. An automatic urination device based on pressure sensing, characterized in that, It includes a urinary catheter, an automatic urine drainage component and a drainage bag; The urinary catheter is connected to the drainage bag through the automatic urine drainage component. The automatic urine drainage component includes a housing, and connecting parts are fixedly arranged at both ends of the housing. The urinary catheter and the drainage bag are connected through the connecting parts; The connecting part includes a joint fixedly connected to the housing. A sleeve is movably sleeved on the joint. The outer wall of the joint and the inner wall of the sleeve are both of conical surface structures.

2. The automatic urination device based on pressure sensing according to claim 1, wherein, A thread is provided at one end of the outer wall of the joint close to the housing. A nut is threadedly sleeved on the joint. The front end of the nut is rotatably connected to the tail end of the sleeve.

3. An automatic urination system based on pressure sensing, characterized in that, It includes a pressure sensor, a solenoid valve, a control module and a battery arranged in the housing; When the pressure sensor detects that the pressure is greater than or equal to 15 cm water column, the control module controls the solenoid valve to open, conducting the urinary catheter and the drainage bag; when the pressure sensor detects that the pressure is less than or equal to 2 cm water column, the control module controls the solenoid valve to close, blocking the urinary catheter and the drainage bag.

4. The automatic urination system based on pressure sensing according to claim 3, wherein The pressure sensor is used to detect the pressure of the accumulated urine in the housing on the housing and transmit an electrical signal to the control module; the control module is used to receive the electrical signal of the pressure sensor and control the opening or closing of the solenoid valve according to the pressure detected by the pressure sensor; the battery is used to supply power to the pressure sensor, the control module and the solenoid valve.

5. The automatic urination system based on pressure sensing according to claim 3, wherein A display screen is arranged on the housing to display the value of the pressure sensor.

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