CN216394064U

CN216394064U - Bladder pressure monitoring and automatic opening device

Info

Publication number: CN216394064U
Application number: CN202122765906.0U
Authority: CN
Inventors: 徐智慧; 李景琦
Original assignee: Hangzhou Newpell Medical Technology Service Co ltd
Current assignee: Hangzhou Newpell Medical Technology Service Co ltd
Priority date: 2021-11-12
Filing date: 2021-11-12
Publication date: 2022-04-29
Anticipated expiration: 2031-11-12

Abstract

The utility model provides a bladder pressure monitoring and automatic opening device, which relates to the field of medical instruments and comprises a first connector connected with a catheter or a bladder ostomy tube, a second connector connected with a urine collecting bag and a catheter, wherein the first connector and the second connector are respectively fixed at the left end and the right end of the catheter; the pressure measuring controller arranged on the guide pipe comprises a shell, a controller, a pressure sensor, a motor, an upper pressure table, a lower pressure table, a gear, a rack, a first rotating shaft and a second rotating shaft; the pressure sensor covers the catheter, and the pressure sensor and the motor are respectively connected with the controller; the output end of the motor is connected with the gear, the gear is meshed with the first end of the rack, and the second end of the rack is hinged with the first end of the upper pressing table through a second rotating shaft; the middle part of the upper pressing table is connected with the first rotating shaft; the lower pressing table is fixed at the lower part of the shell, and the second end of the upper pressing table is positioned above the lower pressing table; the conduit is sandwiched between a lower pressure pad and an upper pressure pad. The utility model is suitable for patients with dysesthesia of bladder, can continuously monitor the intravesical pressure and is convenient for automatic opening of urine drainage.

Description

Bladder pressure monitoring and automatic opening device

Technical Field

The utility model relates to the technical field of medical instruments, in particular to a bladder pressure monitoring and automatic opening device.

Background

At present, a plurality of patients needing to keep catheters or bladder fistulation tubes for a long time are common to chronic urinary retention caused by neurogenic bladder, idiopathic bladder detrusor weakness, cervical cancer cleaning operation and the like, and are common diseases of urology surgery and one of the treatment difficulties of urology surgery. In the neurogenic bladder caused by spinal cord injury and other factors, the bladder pressure changes along with the end of the shock period of the spinal cord, and bladder high pressure is easy to occur to cause the damage of the upper urinary tract or the urinary tract infection. In clinic, the pressure in the bladder needs to be monitored in time to obtain accurate treatment. For patients with chronic urinary retention, reasonable and safe bladder training using a urinary catheter or cystostomy tube is highly desirable.

The bladder training method widely used in clinic at present utilizes the buckling and clamping tube training, and has a plurality of defects:

1. the simple buckling and pipe clamping method usually takes the urine sensation of a patient as a time node and cannot be applied to a patient with dysesthesia bladder;

2. the intravesical pressure cannot be monitored and the urine drainage can be automatically opened under the safe pressure of the bladder;

3. the current urodynamic examination can assess bladder volume pressure changes, but cannot continuously monitor bladder pressure dynamics.

SUMMERY OF THE UTILITY MODEL

The utility model provides a bladder pressure monitoring and automatic opening device which can be suitable for patients with dysesthesia of bladder, can continuously monitor the intravesical pressure and is convenient for automatic opening of urine drainage under the safe pressure of the bladder.

The utility model provides a bladder pressure monitoring and automatic opening device, which comprises a first joint connected with a catheter or a bladder ostomy tube, a second joint connected with a urine collecting bag and a catheter, wherein the first joint is fixed at the left end of the catheter and is communicated with the catheter; the second joint is fixed at the right end of the guide pipe and is communicated with the guide pipe; the pressure measuring controller is arranged on the guide pipe and comprises a shell, a controller, a pressure sensor, a motor, an upper pressure table, a lower pressure table, a gear, a rack, a first rotating shaft and a second rotating shaft, wherein the pressure sensor, the motor, the upper pressure table, the lower pressure table, the gear, the rack, the first rotating shaft and the second rotating shaft are arranged in the shell; the pressure sensor coats the catheter, and the pressure sensor and the motor are respectively connected with the controller;

the output end of the motor is connected with the gear, the gear is meshed with the first end of the rack, and the second end of the rack is hinged with the first end of the upper pressing table through the second rotating shaft; the middle part of the upper pressing table is connected with the first rotating shaft; the lower pressing table is fixed at the lower part of the shell, and the second end of the upper pressing table is positioned above the lower pressing table; wherein the conduit is sandwiched between the lower pressure stage and the upper pressure stage.

In an alternative embodiment, the pressure sensor is a membrane pressure sensor.

In an alternative embodiment, the motor is mounted in a mounting groove between the hold-down stage and the lower end of the housing.

In an alternative embodiment, the controller is located outside the housing, and the pressure sensor and the motor are respectively connected with the controller through wires.

In an optional embodiment, the controller comprises a signal conditioning module and a central processing unit, the pressure sensor is connected with the signal conditioning module, and the signal conditioning module is connected with the central processing unit; the motor is connected with the central processing unit.

The utility model has the beneficial effects that: the bladder pressure monitoring and automatic opening device is provided with a first connector and a second connector which are connected between a catheter (or a bladder ostomy tube) and a liquid collecting bag; the catheter is connected between the first connector and the second connector, and the pressure measuring controller is arranged in the catheter and provided with the pressure sensor, so that the pressure of the catheter can be measured according to the deformation of the catheter, and the bladder pressure can be obtained; the pressure sensor is connected with the controller and can continuously monitor the bladder pressure; the pressure measuring controller also comprises a motor, an upper pressure table, a lower pressure table, a gear, a rack, a first rotating shaft and a second rotating shaft, wherein the conduit is clamped between the lower pressure table and the upper pressure table, and the upper pressure table is indirectly connected with the motor through the gear, the rack, the first rotating shaft and the second rotating shaft, so that the lower pressure table and the upper pressure table extrude the conduit under the action of the motor, and the conduit is clamped and closed; the motor is connected with the controller, so that the automatic clamping of the catheter is realized; the utility model can automatically detect the bladder pressure without depending on the urine intention of the patient, and can be suitable for the patient with dysesthesia of the bladder; the controller is adopted for automatic control, the intravesical pressure can be continuously monitored, and automatic opening of urine drainage under safe pressure of the bladder can be realized.

Additional features and advantages of the utility model will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model. The objectives and other advantages of the utility model will be realized and attained by the structure particularly pointed out in the written description and drawings.

In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of a pressure measurement controller according to the present invention;

fig. 3 is another schematic structural diagram of the pressure measuring controller of the present invention.

In the figure: 1-a first linker; 2-a catheter; 3-a second linker; 4-a measurement controller; 41-a housing; 42-a membrane pressure sensor; 43-a pressing table; 44-a motor; 45-pressing the platform; 46-a second shaft; 47-a first shaft; 48-a rack; 49-gear.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is apparent that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

To facilitate understanding of the present embodiment, a bladder pressure monitoring and automatic opening device disclosed by the present invention will be described in detail by way of examples.

Referring to fig. 1, the present embodiment provides a bladder pressure monitoring and automatic opening device, which comprises a first connector 1 connected to a urinary catheter or a bladder ostomy tube, a second connector 3 connected to a urine collecting bag, and a catheter 2, wherein the first connector 1 is fixed at the left end of the catheter 2 and is communicated with the catheter 2; the second joint 3 is fixed at the right end of the conduit 2 and is communicated with the conduit 2; the pressure measuring controller 4 is arranged on the guide pipe 2; the pressure measuring controller 4 described with reference to fig. 2 includes a housing 41, a controller, and a pressure sensor, a motor 44, an upper pressing table 43, a lower pressing table 45, a gear 49, a rack 48, a first rotating shaft 47, and a second rotating shaft 46 installed in the housing 41; the pressure sensor covers the catheter 2, and the pressure sensor and the motor 44 are respectively connected with the controller.

Referring to fig. 3, the output end of the motor 44 is connected to the gear 49, the gear 49 is engaged with the first end of the rack 48, and the second end of the rack 48 is hinged to the first end of the upper pressing table 43 through the second rotating shaft 46; the middle part of the upper pressing table 43 is connected with the first rotating shaft 47; the lower pressing table 45 is fixed at the lower part of the shell 41, and the second end of the upper pressing table 43 is positioned above the lower pressing table 45; wherein the catheter 2 is sandwiched between the lower pressure table 45 and the upper pressure table 43.

Specifically, as shown in fig. 1, the present embodiment includes a first joint 1, a second joint 3 and a conduit 2, and a pressure measuring controller 4 is further mounted on the conduit 2; the first joint 1 is fixedly connected and communicated with the left end of the catheter 2, and the first joint 1 is matched with a catheter joint or a cystostomy joint; the second connector 3 is connected with and communicates with the urine collection bag, and the second connector 3 is adapted to the urine collection bag connector. The catheter 2 can be made of silica gel, and the length and the inner diameter of the catheter can be set as required.

The housing 41 may be rectangular and made of plastic to reduce cost. The remaining components, except for the controller, are disposed within the housing 41.

As shown in figure 2, the pressure sensor coats the conduit 2, the conduit 2 is communicated with a catheter or a cystostomy tube through the first connector 1 and then communicated with the bladder, and when urine exists in the bladder, the conduit 2 deforms, so that the pressure in the bladder can be detected through the pressure sensor. The thin film pressure sensor 42 is adopted in the embodiment, has strong attaching force, is more sensitive to the deformation of the conduit 2, has high sensitivity, and can timely and accurately detect the micro deformation of the conduit 2 to obtain a pressure signal. The diaphragm pressure sensor 42 sends a pressure signal to the controller, which controls the operation of the motor 44 in accordance with the pressure signal.

In specific implementation, the motor 44 may be controlled to operate according to a training scheme, for example, the motor 44 may be controlled to operate according to a plurality of effective manners, such as a patient's urine feeling, a safe bladder pressure setting value, and a time node; and an accurate individualized bladder training mode can be formulated according to the bladder function state of the patient.

This embodiment can satisfy bladder dysesthesia patient's user demand, can monitor intravesical pressure in succession, and the bladder safety pressure of being convenient for is down from deciding open urine drainage, realizes bladder pressure monitoring and urine intelligent management.

Further, as shown in fig. 3, the motor 44 is installed in an installation groove between the lower pressing stage 45 and the lower end of the housing 41.

Specifically, as shown in fig. 3, the pressure measurement controller 4 includes a housing 41, a controller, and a pressure sensor, a motor 44, an upper pressure table 43, a lower pressure table 45, a gear 49, and a rack 48 installed in the housing 41; the lower surface of the second end of the upper platen 43 has a flat land and the upper surface of the lower platen 45 has a flat land between which the conduit 2 is sandwiched. The right end of the pressing platform 45 is connected with the bottom end of the casing 41 into a whole, meanwhile, a cavity is formed between the lower surface of the pressing platform 45 and the upper surface of the bottom end of the casing 41, and the motor 44 is installed and fixed in the cavity.

The output end of the motor 44 is connected with a gear 49, the gear 49 is connected with a rack 48, and meanwhile, the rack 48 is hinged with the first end of the upper pressing platform 43 through a second rotating shaft 46; and the first rotating shaft 47 is fixed on the housing 41, and the first rotating shaft 47 is installed in the middle of the upper pressing table 43; this upper pressing table 43 forms a lever having the first rotating shaft 47 as the axis; thus, when the motor 44 rotates the gear 49, the rack 48 moves upward to press the second end of the upper pressing platform 43 downward, and the lower pressing platform 45 is fixed on the housing 41, thereby clamping the conduit 2.

Preferably, the controller is fixed below the membrane pressure sensor 42.

Specifically, the controller may be fixed below the film pressure sensor 42, may be disposed outside the housing 41 as needed, and may be connected to a display module, a storage module, a key module, an alarm, a printing module, and the like. For example, the storage module is convenient for storing bladder pressure dynamic change data in time, and the display module can assist in displaying bladder pressure dynamic curve graphs and data reports; the print module may assist in printing dynamic graphs, data reports, and the like.

Optionally, the controller includes a signal conditioning module and a central processing unit, the pressure sensor is connected to the signal conditioning module, and the signal conditioning module is connected to the central processing unit; the motor 44 is connected to the central processor.

Here, the signal conditioning module is configured to perform preprocessing, i.e., amplification, filtering, and analog-to-digital conversion, on the pressure signal. The central processing unit may adopt AT89C51, etc., and the central processing unit sends a start or stop signal to the motor 44 according to the preprocessed pressure signal to control the conduction and the closing of the catheter 2, thereby realizing the intelligent management of urine.

In conclusion, the embodiment utilizes the urinary catheter to monitor the bladder pressure, and meanwhile, the device can also realize intelligent urine management and urination training; accurate individual bladder training plans can be made in an assisting mode; one end of the catheter 2 is connected with the catheter or the cystostomy tube, the other end of the catheter is connected with the urine drainage bag, and the pressure sensor is arranged in the pressure measurement controller 4 and can detect the pressure of the catheter 2 according to the deformation of the catheter 2 so as to detect the pressure of the catheter or the cystostomy tube; the pressure measuring controller 4 drives the catheter 2 to be clamped and conducted through the motor 44, and the motor 44 and the pressure sensor are connected with a central processing unit in the pressure measuring controller 4, so that the catheter 2 can be automatically clamped and conducted according to the bladder pressure, and automatic urine management is automatically realized.

According to the embodiment, the bladder pressure can be continuously and automatically monitored, so that the dynamic change of the bladder pressure is facilitated to be realized in an auxiliary manner, and intelligent open management of urine can be performed by utilizing various effective modes such as the urine feeling of a patient, a safe bladder pressure set value and a time node; an accurate individualized bladder training mode can be formulated according to the bladder function state of a patient; effectively avoid the upper urinary tract injury and urinary tract infection.

In the description of the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Finally, it should be noted that: the above-mentioned embodiments are only specific embodiments of the present invention, which are used for illustrating the technical solutions of the present invention and not for limiting the same, and the protection scope of the present invention is not limited thereto, although the present invention is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: any person skilled in the art can modify or easily conceive the technical solutions described in the foregoing embodiments or equivalent substitutes for some technical features within the technical scope of the present disclosure; such modifications, changes or substitutions do not depart from the spirit and scope of the embodiments of the present invention, and they should be construed as being included therein. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. A bladder pressure monitoring and automatic opening device is characterized by comprising a first connector connected with a catheter or a bladder ostomy tube, a second connector connected with a urine collecting bag and a catheter, wherein the first connector is fixed at the left end of the catheter and is communicated with the catheter; the second joint is fixed at the right end of the guide pipe and is communicated with the guide pipe; the pressure measuring controller is arranged on the guide pipe and comprises a shell, a controller, a pressure sensor, a motor, an upper pressure table, a lower pressure table, a gear, a rack, a first rotating shaft and a second rotating shaft, wherein the pressure sensor, the motor, the upper pressure table, the lower pressure table, the gear, the rack, the first rotating shaft and the second rotating shaft are arranged in the shell; the pressure sensor coats the catheter, and the pressure sensor and the motor are respectively connected with the controller;

2. The bladder pressure monitoring and automatic opening device according to claim 1, wherein the pressure sensor is a membrane pressure sensor.

3. The bladder pressure monitoring and automatic opening device according to claim 1, wherein the motor is installed in an installation groove between the pressing table and the lower end of the housing.

4. The bladder pressure monitoring and automatic opening device according to claim 1, wherein the controller is located outside the housing, and the pressure sensor and the motor are connected to the controller through wires, respectively.

5. The bladder pressure monitoring and automatic opening device according to claim 1, wherein the controller comprises a signal conditioning module and a central processing unit, the pressure sensor is connected with the signal conditioning module, and the signal conditioning module is connected with the central processing unit; the motor is connected with the central processing unit.