A urinary catheter

Abstract

The utility model provides a kind of catheter, including catheter body, fixedly arranged on the positioning balloon of the catheter body, the one end of the catheter body is provided with first interface, the cavity of the positioning balloon is independently arranged with the catheter body, the cavity of the positioning balloon is communicated with connecting pipe, the one end of the connecting pipe is provided with the second interface of injection / efflux filling medium, pressure sensor is provided in the cavity of the positioning balloon, still include trigger with the electric connection of the pressure sensor, when patient is not self -help extubation, it can immediately alarm or to balloon pressure relief, prevent urethra of patient from being damaged.

Description

Technical Field

[0001] This application relates to the medical field, and more specifically, to a urinary catheter. Background Technology

[0002] In clinical practice, when performing catheterization or indwelling catheterization on patients with urinary retention due to various causes or surgical patients, a common method is to first insert a regular rubber catheter into the urethra and bladder, and then inject sterile water or normal saline through the water injection hole at the rear end of the balloon. The balloon expands and presses against the bladder neck for positioning, and then it is fixed with adhesive tape. This method is widely used in clinical practice.

[0003] Since urinary catheters are mainly made of materials such as silicone, rubber, EVA, and PVC, the tip and body are relatively soft. Usually, when removing a urinary catheter, the water in the balloon needs to be drained to compress the balloon before it is pulled out. This can reduce damage to the patient's urethral mucosa and prevent urethral infection.

[0004] Because the urinary catheter often remains in the urethra for a long time (more than three days), patients who have lost control of their bodies may involuntarily pull out the catheter due to the strong foreign body sensation. At this time, the balloon is inflated, which can easily cause damage to the patient's urethra.

[0005] Therefore, existing urinary catheters need to be improved to overcome the above-mentioned defects. Utility Model Content

[0006] The main purpose of this application is to provide a urinary catheter that can immediately trigger an alarm or depressurize the balloon when the patient involuntarily pulls out the catheter, thus preventing damage to the patient's urethra.

[0007] To achieve the above objectives, in a first aspect, this application provides a urinary catheter, including a catheter body and a positioning balloon fixedly disposed on the catheter body. One end of the catheter body is provided with a first interface, the cavity of the positioning balloon is independently disposed from the catheter body, the cavity of the positioning balloon is connected to a connecting tube, one end of the connecting tube is provided with a second interface for injecting / expelling a filling medium, a pressure sensor is disposed in the cavity of the positioning balloon, and a trigger electrically connected to the pressure sensor is also included.

[0008] Optionally, the trigger is an alarm.

[0009] Optionally, the trigger is a pressure relief valve located at the second interface.

[0010] Optionally, the pressure sensor is one of NPC-1210, DPS368, or MS5637-02BA03.

[0011] Optionally, the filling medium is one of physiological saline, air, sterile purified water, or distilled water.

[0012] Optionally, the positioning balloon is made of medical-grade silicone or medical-grade latex.

[0013] Optionally, the catheter body is embeddedly connected to the connecting tube.

[0014] Optionally, the outer wall of the catheter body is provided with a groove, and the connecting tube is secured in the groove.

[0015] Optionally, the pressure sensor is connected to the trigger via a medical catheter cable.

[0016] The urinary catheter provided by this utility model has the following advantages compared with the prior art: by setting a pressure sensor in the balloon, the pressure of the balloon can be monitored in real time. When the patient involuntarily pulls out the catheter, the full balloon is squeezed and deformed, and the pressure of the filling medium changes. At this time, the trigger will sound an alarm or immediately depressurize the balloon, thereby avoiding scratching the patient's urethra. Attached Figure Description

[0017] The accompanying drawings, which form part of this application, are used to provide a further understanding of the application and to make other features, objects, and advantages of the application more apparent. The illustrative embodiments and descriptions of this application are used to explain the application and do not constitute an undue limitation of the application. In the drawings:

[0018] Figure 1 This is a schematic diagram of the present invention (Embodiment 1);

[0019] Figure 2 Schematic diagram of the catheter body and connecting tube;

[0020] Figure 3 This is a schematic diagram of the present invention (Embodiment 2).

[0021] The components include: 1. Catheter body; 2. Connecting tube; 3. Positioning balloon; 4. First interface; 5. Second interface; 6. Pressure sensor; 7. Alarm; 8. Pressure relief valve. Detailed Implementation

[0022] To enable those skilled in the art to better understand the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present application, and not all embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative effort should fall within the scope of protection of the present application.

[0023] It should be noted that the terms "first," "second," etc., in the specification, claims, and accompanying drawings of this application are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence. It should be understood that such data can be interchanged where appropriate for the embodiments of this application described herein. Furthermore, the terms "comprising" and "having," and any variations thereof, are intended to cover non-exclusive inclusion; for example, a process, method, system, product, or apparatus that comprises a series of steps or units is not necessarily limited to those steps or units explicitly listed, but may include other steps or units not explicitly listed or inherent to such processes, methods, products, or apparatus.

[0024] In this application, the terms "upper," "lower," "left," "right," "front," "rear," "top," "bottom," "inner," "outer," "middle," "vertical," "horizontal," "lateral," and "longitudinal" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. These terms are primarily for the purpose of better describing this application and its embodiments, and are not intended to limit the indicated device, element, or component to having a specific orientation, or to be constructed and operated in a specific orientation.

[0025] Furthermore, in addition to indicating location or positional relationship, some of the aforementioned terms may also have other meanings. For example, the term "above" may also be used in some cases to indicate a certain dependency or connection relationship. Those skilled in the art can understand the specific meaning of these terms in this application based on the specific circumstances.

[0026] In addition, the term "multiple" should mean two or more.

[0027] It should be noted that, unless otherwise specified, the embodiments and features described in this application can be combined with each other. This application will now be described in detail with reference to the accompanying drawings and embodiments.

[0028] Example 1:

[0029] like Figure 1 , Figure 2 As shown, a urinary catheter includes a catheter body 1 and a positioning balloon 3 fixedly mounted on the catheter body 1. One end of the catheter body 1 is provided with a first interface 4. The cavity of the positioning balloon 3 is independently disposed from the catheter body 1. The cavity of the positioning balloon 3 is connected to a connecting tube 2. One end of the connecting tube 2 is provided with a second interface 5 for injecting / expelling a filling medium. A pressure sensor 6 is disposed inside the cavity of the positioning balloon 3, and a trigger electrically connected to the pressure sensor 6 is also included.

[0030] In this embodiment, the trigger is an alarm 7. When the patient involuntarily removes the tube, the balloon is in a full state during positioning. During the removal process, the balloon is squeezed and deformed, causing a change in the pressure of the filling medium. When the pressure sensor 6 detects the pressure change, the alarm 7 will sound an alarm in time. Specifically, it can be an audible and visual alarm 7. This can promptly remind medical staff to take corresponding measures, such as depressurizing the filling medium in the balloon in time, thereby effectively preventing urethral abrasion. In addition, the alarm 7 can be set up in a specific ward or directly connected to the monitoring station of the nurses. Any method that can promptly remind the on-duty nurse when the event occurs is acceptable. The specific choice depends on the actual situation of the hospital.

[0031] In this embodiment, preferably, the pressure sensor 6 is one of NPC-1210, DPS368, or MS5637-02BA03. The above-mentioned pressure sensor 6 models are all currently used medical sensors, which can be used not only for balloon pressure monitoring, but also for many applications such as medical catheters and cardiovascular catheters.

[0032] In this embodiment, the filling medium is preferably one of physiological saline, air, sterile purified water, or distilled water. Physiological saline is the best choice because even if the balloon leaks, the physiological saline can still enter the patient's urethra to clean the wound. Preferably, the positioning balloon 3 is made of medical silicone or medical latex. In addition, it should be noted that the material of the catheter body 1 is the same as that of the positioning balloon 3.

[0033] To reduce patient pain during catheter insertion, the catheter body 1 and the connecting tube 2 are embeddedly connected. Specifically, the outer wall of the catheter body 1 has a groove, and the connecting tube 2 is secured within the groove. Some patients experience increased urethral resistance due to conditions such as urethral stricture, benign prostatic hyperplasia, cancer, or bladder neck sclerosis, significantly increasing the difficulty of catheter insertion. When encountering resistance, bending, or narrowing, more force is required for insertion, causing considerable pain to the patient. The embedded connection between the catheter body 1 and the connecting tube 2 effectively reduces the size of the catheter, thus facilitating insertion.

[0034] To facilitate signal transmission within the filling medium, the pressure sensor 6 is connected to the trigger via a medical catheter cable.

[0035] Example 2:

[0036] like Figure 3As shown, the difference from Embodiment 1 is that the trigger is a pressure relief valve 8 located at the second interface 5. Thus, when the patient involuntarily pulls out the catheter, the balloon pressure changes, and the pressure relief valve 8 opens directly. When the balloon is squeezed, the saline solution inside the balloon is directly discharged, thereby reducing the size of the balloon and making it easy to pull out the catheter without damaging the patient.

[0037] The above description is merely a preferred embodiment of this application and is not intended to limit this application. Various modifications and variations can be made to this application by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this application should be included within the protection scope of this application.

Claims

1. A urinary catheter, characterized in that, The device includes a urinary catheter body and a positioning balloon fixedly mounted on the urinary catheter body. One end of the urinary catheter body is provided with a first interface. The cavity of the positioning balloon is independently configured from the urinary catheter body. The cavity of the positioning balloon is connected to a connecting tube. One end of the connecting tube is provided with a second interface for injecting / expelling filling medium. A pressure sensor is provided inside the cavity of the positioning balloon. The device also includes a trigger electrically connected to the pressure sensor.

2. A urinary catheter as described in claim 1, characterized in that: The trigger is an alarm.

3. A urinary catheter as described in claim 1, characterized in that: The trigger is a pressure relief valve located at the second interface.

4. A urinary catheter as described in claim 1, characterized in that: The pressure sensor is one of NPC-1210, DPS368, or MS5637-02BA03.

5. A urinary catheter as described in claim 1, characterized in that: The filling medium is one of physiological saline, air, sterile purified water, or distilled water.

6. A urinary catheter as described in claim 1, characterized in that: The positioning balloon is made of medical-grade silicone or medical-grade latex.

7. A urinary catheter as described in claim 1, characterized in that: The catheter body is embeddedly connected to the connecting tube.

8. A urinary catheter as described in claim 7, characterized in that: The outer wall of the catheter body is provided with a slot, and the connecting tube is secured in the slot.

9. A urinary catheter as described in claim 1, characterized in that: The pressure sensor and the trigger are connected via a medical catheter cable.

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