CN217138782U

CN217138782U - Catheter with pressure alarm device

Info

Publication number: CN217138782U
Application number: CN202123172864.6U
Authority: CN
Inventors: 靖倩
Original assignee: Beijing Tiantan Hospital
Current assignee: Beijing Tiantan Hospital
Priority date: 2021-12-16
Filing date: 2021-12-16
Publication date: 2022-08-09
Anticipated expiration: 2031-12-16

Abstract

The utility model provides a catheter with a pressure alarm device, which relates to the field of medical equipment and solves the problem that when the pressure in a capsule body is insufficient, medical staff cannot easily find the pressure and the catheter is easy to be separated; the catheter comprises a catheter body, a bag body and a first connector, wherein the bag body is fixed at one end of the catheter body, which is far away from the first connector, and is communicated with the first connector, and the first connector is communicated with an air source device or a liquid supply device so as to fill air or liquid into the bag body; the catheter also comprises a pressure sensor, a control unit and a warning lamp; wherein: the control unit is electrically connected with the pressure sensor and the warning lamp and is used for receiving a pressure value signal of the pressure sensor and turning on the warning lamp when the pressure value is lower than a set pressure; when the pressure in the sac body is not enough, the warning lamp can remind medical personnel when being turned on, and the medical personnel can use the bag conveniently.

Description

Catheter with pressure alarm device

Technical Field

The utility model belongs to the technical field of the medical equipment technique and specifically relates to a catheter with pressure alarm device is related to.

Background

A urinary catheter is a tube that is inserted into the bladder from the urethra to drain urine. Is a tube made of natural rubber, silicon rubber and polyvinyl chloride (PVC), and can be inserted into the bladder through the urethra so as to lead out urine. The catheter can relieve pain of patients with urine retention, collect sterile urine samples and detect physical conditions; avoiding injuring the bladder by mistake during the pelvic cavity operation; checking bladder function, measuring bladder volume, pressure, and residual urine volume; assisting in identifying anuresis and urine retention; aid in diagnosis and treatment of bladder and urinary tract disorders, and the like.

The existing catheter comprises a catheter body, a water bag and a water injection interface, wherein the water injection interface is communicated with the water bag and used for injecting water into the water bag to expand the water bag. After the catheter is inserted into the bladder, the bag body close to the head end of the catheter fixes the catheter to stay in the bladder and is not easy to fall off.

The applicant has found that the prior art has at least the following technical problems: when the existing catheter is used, water or gas for sterilization is injected into the capsule body, and liquid can seep out due to poor sealing performance of the capsule body during the use of the catheter, so that the pressure of the capsule body is reduced, and the catheter is separated from the catheter and urine overflows.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a catheter with a pressure alarm device, which solves the technical problems that medical staff are not easy to find and the catheter is easy to be separated when the pressure in a capsule body is insufficient in the prior art; the utility model provides a plurality of technical effects that preferred technical scheme among a great deal of technical scheme can produce see the explanation below in detail.

In order to achieve the above purpose, the utility model provides a following technical scheme:

the utility model provides a catheter with pressure alarm device, including catheter body, utricule and first joint, the utricule is fixed in the catheter body keep away from the one end of first joint, and with the first joint is linked together, the first joint is linked together with air supply unit or liquid supply unit in order to fill gas or liquid into in the utricule;

the catheter also comprises a pressure sensor, a control unit and a warning lamp; wherein: the pressure sensor is used for detecting the fluid pressure flowing between the capsule body and the first connector, and the control unit is electrically connected with the pressure sensor and the warning lamp and used for receiving a pressure value signal of the pressure sensor and turning on the warning lamp when the pressure value is lower than the set pressure.

Preferably, the catheter further comprises a valve body, wherein the valve body is arranged at the position of the first connector and is used for blocking and communicating the first connector and the liquid supply device, or is used for blocking and communicating the first connector and the gas source device.

Preferably, the valve body is an electromagnetic valve, and the control unit is electrically connected with the electromagnetic valve and used for opening the electromagnetic valve when the pressure value is lower than the set pressure.

Preferably, the catheter further comprises a waterproof cover, the waterproof cover is located outside the catheter body and fixed at the position of the first connector, the control unit is located in the waterproof cover, and the warning light is located at the end of the waterproof cover.

Preferably, a portion of the waterproof cover extends to a position of the valve body for passing through a wire electrically connecting the control unit and the valve body.

Preferably, the warning lamp is an LED lamp body.

Preferably, there are urine drainage chamber and intercommunication chamber in the catheter body, the intercommunication chamber is located the periphery in urine drainage chamber, just the both ends in intercommunication chamber respectively with first joint with the utricule is linked together.

Preferably, the urinary catheter further comprises a pressure display assembly, wherein the pressure display assembly is communicated with the first connector and is used for a user to observe the pressure range of the fluid in the first connector.

Preferably, the pressure display assembly comprises a display tube, a moving part and an elastic part, wherein:

the display tube is communicated with the first joint, one end of the elastic part is fixed at one end of the display tube, which is far away from the first joint part, the free end of the elastic part is fixed with the moving part, and fluid in the first joint part can push the moving part to move and enable the moving part to stay at different positions in the display tube.

Preferably, the display tube includes a visualization region, the visualization region is provided with an identification part for measuring the pressure, and the moving part can move at least in the visualization region.

The utility model provides a catheter with pressure alarm device compares with prior art, has following beneficial effect: the first connector is communicated with the gas source device or the liquid supply device to fill gas or liquid into the bag body, and when gas or liquid is injected into the bag body, the bag body expands to fix one end of the catheter in the bladder to prevent the catheter from falling off; pressure sensor transmits the fluid pressure information between utricule and the first joint to the control unit, and when pressure was not enough in the utricule, the control unit control warning light was opened, can remind medical personnel to inspect the catheter when the warning light was bright, continues to inject into gas or liquid in to the utricule, perhaps changes the catheter of new, makes things convenient for medical personnel to use, prevents that the urine is excessive.

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, it is obvious that the drawings in the description below are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic overall structure of a first embodiment of a urinary catheter with a pressure warning device;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

fig. 3 is a schematic view of a catheter with a pressure warning device;

FIG. 4 is a schematic view of the overall construction of a second embodiment of a urinary catheter with a pressure warning device;

fig. 5 is a partially enlarged view at B in fig. 4.

In the figure 100, the bladder; 1. a catheter body; 101. a urine drainage cavity; 102. a communicating cavity; 10. a second joint; 2. a capsule body; 3. a first joint; 4. a pressure sensor; 5. a controller; 6. a warning light; 7. a waterproof cover; 8. an electromagnetic valve; 9. a pressure display assembly; 91. a display tube; 92. an elastic portion; 93. a moving part; 94. a marking part; 911. a visualization region.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the disclosed embodiments are merely exemplary of the invention, and are not intended to limit the invention to the precise embodiments disclosed. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "length", "width", "height", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "side", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and to simplify the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the invention. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "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 meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

An embodiment of the utility model provides a catheter with pressure alarm device, warning light can remind medical personnel to inspect the catheter when bright, makes things convenient for medical personnel to use, prevents the urine excessive.

The technical solution provided by the present invention is explained in more detail with reference to fig. 1 to 5.

Example one

As shown in fig. 1-3, the embodiment provides a urinary catheter with a pressure alarm device, which includes a urinary catheter body 1, a capsule body 2 and a first connector 3, wherein the capsule body 2 is fixed at one end of the urinary catheter body 1 far from the first connector 3 and is communicated with the first connector 3, the first connector 3 is communicated with an air source device or a liquid supply device to fill air or liquid into the capsule body 2, in other words, the capsule body 2 can be a balloon or a water bag; the catheter also comprises a pressure sensor 4, a control unit and a warning lamp 6; wherein: pressure sensor 4 is used for detecting the fluid pressure that circulates between utricule 2 and first joint 3, and the control unit is all connected with pressure sensor 4 and warning light 6 electricity for receive pressure sensor 4's pressure value signal, and open warning light 6 when the pressure value is less than the set pressure.

Wherein, as shown in fig. 1, a urine drainage cavity 101 and a communication cavity 102 are arranged in the catheter body 1, the communication cavity 102 is located at the periphery of the urine drainage cavity 101, and two ends of the communication cavity 102 are respectively communicated with the first connector 3 and the bag body 2.

Referring to fig. 1, one end of the urine drainage cavity 101 is used for extending into the bladder 100, and the other end is provided with a second connector 10, as shown in fig. 1, the second connector 10 is used for connecting a urine bag, and urine in the bladder 100 can be drained into the urine bag through the second connector 10. Referring to fig. 1, gas or liquid can be injected into the balloon through the first connector 3, the communicating lumen 102, inflating the balloon, thereby securing one end of the catheter body 1 in the bladder 100.

In the catheter with the pressure alarm device of the embodiment, the first connector 3 is communicated with the gas source device or the liquid supply device to fill gas or liquid into the capsule body 2, and the liquid supply device can be a device filled with water for sterilization. When gas or liquid is injected into the capsule body 2, the capsule body 2 expands to fix one end of the catheter in the bladder 100 to prevent the catheter from falling off; pressure sensor 4 transmits the fluid pressure information between utricule 2 and the first joint 3 to the control unit, and when pressure was not enough in utricule 2, control unit (controller 5) control warning light 6 was opened, and warning light 6 can remind medical personnel to inspect the catheter when bright, continued to inject into gas or liquid in utricule 2, perhaps more renew the catheter, made things convenient for medical personnel to use, prevented that the urine is excessive.

As an optional embodiment, the catheter further comprises a valve body, wherein the valve body is arranged at the position of the first connector 3 and is used for blocking and communicating the first connector 3 with the liquid supply device or blocking and communicating the first connector 3 with the air source device.

When the pressure in the capsule body 2 is enough, the valve body enables the first connector 3 to be blocked from the liquid supply device or the gas source device, and when the pressure in the capsule body 2 is not enough, the valve body enables the first connector 3 to be communicated with the liquid supply device or the gas source device, liquid or gas is continuously injected into the capsule body 2, and the pressure in the capsule body 2 is increased.

As an optional implementation manner, the valve body of this embodiment is an electromagnetic valve 8, and the control unit is electrically connected to the electromagnetic valve 8, and is configured to open the electromagnetic valve 8 when the pressure value is lower than the set pressure, and further inject fluid into the balloon 2, so as to inflate the balloon 2.

The control unit may be a single chip microcomputer pre-stored with a set program, and the pressure sensor 4 and the electromagnetic valve 8 are mature technologies in the field and are not described herein, for example, a model HPT501 micro pressure sensor may be adopted, and a model Q22XD micro electromagnetic valve may be adopted.

Referring to fig. 3, the pressure sensor 4 transmits a detected pressure value signal to the controller 5, the controller 5 compares the received pressure value signal with a set pressure value, when the actual pressure value is smaller than the set pressure value, the controller 5 controls the warning light 6 to light and controls the electromagnetic valve 8 to open, so that liquid in the liquid supply device, such as water for sterilization, can continuously enter the capsule body 2 to increase the pressure of the capsule body 2.

As an alternative embodiment, referring to fig. 1 and 2, the catheter of this embodiment further includes a waterproof cover 7, the waterproof cover 7 is located outside the catheter body 1 and fixed at the position of the first connector 3, the control unit is located in the waterproof cover 7, and the warning light 6 is located at the end of the waterproof cover 7. The waterproof cover 7 is not communicated with the first connector 3, and liquid in the first connector 3 is prevented from entering the waterproof cover 7.

As an alternative embodiment, referring to fig. 1 and 2, a part of the waterproof cover 7 extends to the position of the valve body (solenoid valve 8) for passing through a wire electrically connecting the control unit and the valve body, and protecting the wire.

As an optional implementation manner, the warning light 6 in this embodiment may be an LED lamp body in the prior art, and details of the structure thereof are not described herein.

Example two

The embodiment is an improvement on the above embodiment, and as shown in fig. 4 and 5, the urinary catheter of this embodiment further comprises a pressure display assembly 9, wherein the pressure display assembly 9 is communicated with the first connector 3 for the user to observe the pressure range of the fluid in the first connector 3.

The pressure display assembly 9 can be used for a user to observe the pressure range of the fluid between the capsule body 2 and the first connector 3, and is convenient for medical staff to use.

As an alternative embodiment, referring to fig. 5, the pressure display assembly 9 of the present embodiment includes a display tube 91, a moving part 93 and an elastic part 92, wherein: the display tube 91 is communicated with the first joint 3, one end of the elastic part 92 is fixed at one end of the display tube 91 far away from the first joint 3, the free end of the elastic part 92 is fixed with the moving part 93, and the fluid flowing into the display tube 91 from the first joint 3_ can push the moving part 93 to move, so that the moving part 93 stays at different positions in the display tube 91.

The display tube 91 is connected to the first connector 3, when the fluid pressure in the first connector 3 is higher, the fluid compresses the elastic portion 92 and can push the moving portion 93 to move away from the first connector 3, and when the fluid pressure in the first connector 3 is lower, the moving portion 93 is relatively closer to the first connector 3. By using the above principle, the user can observe the magnitude of the fluid pressure between the first connector 3 and the capsule 2.

The elastic portion 92 may be a compression spring.

As an alternative embodiment, referring to fig. 5, the display tube 91 of the present embodiment includes a visualization area 911, an indicator 94 for measuring the pressure is disposed on the visualization area 911, and the moving unit 93 is movable at least in the visualization area 911.

The mark part 94 may be a scale, and the moving part 93 may stay at different positions of the scale under the pushing of the fluid.

The visualization region 911 may be a transparent region, and the user can determine the magnitude of the pressure in the capsule 2 by observing the position of the indicator 94 indicated by the moving unit 93 through the visualization region 911. The elastic portion 92 may be located in the visible region 911 or the non-visible region.

The particular features, structures, or characteristics may be combined in any suitable manner in any one or more embodiments or examples.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. A catheter with a pressure alarm device is characterized by comprising a catheter body, a bag body and a first connector, wherein the bag body is fixed at one end, far away from the first connector, of the catheter body and is communicated with the first connector, and the first connector is communicated with a gas source device or a liquid supply device so as to fill gas or liquid into the bag body;

2. The urinary catheter with pressure alarm device as claimed in claim 1, further comprising a valve body, wherein the valve body is disposed at the first connector position for blocking and communicating the first connector with the liquid supply device or blocking and communicating the first connector with the gas source device.

3. The urinary catheter with pressure warning device according to claim 2, characterized in that the valve body is a solenoid valve, and the control unit is electrically connected with the solenoid valve for opening the solenoid valve when the pressure value is lower than a set pressure.

4. The catheter with the pressure alarm device as claimed in claim 2, wherein the catheter further comprises a waterproof cover, the waterproof cover is located outside the catheter body and fixed at the position of the first connector, the control unit is located in the waterproof cover, and the warning light is located at the end of the waterproof cover.

5. A catheter with pressure alarm device according to claim 4, characterized in that a part of the waterproof cover extends to the position of the valve body for passing through wires for electrically connecting the control unit and the valve body.

6. The urinary catheter with pressure alarm device as claimed in claim 1, wherein the warning light is an LED light body.

7. The catheter with the pressure alarm device according to claim 1, wherein a urine drainage cavity and a communicating cavity are arranged in the catheter body, the communicating cavity is located at the periphery of the urine drainage cavity, and two ends of the communicating cavity are respectively communicated with the first connector and the bag body.

8. The urinary catheter with pressure alarm device of claim 1, further comprising a pressure display assembly, wherein said pressure display assembly is in communication with said first connector for allowing a user to observe the pressure range of the fluid within said first connector.

9. The urinary catheter with pressure alarm device of claim 8, wherein the pressure display assembly comprises a display tube, a movable portion and an elastic portion, wherein:

10. The urinary catheter with pressure alarm device according to claim 9, wherein said display tube comprises a visualization area, said visualization area being provided with an indicator for measuring the pressure level, said movable portion being movable at least in said visualization area.