A bladder pressure detector

Abstract

The utility model relates to a bladder pressure detector, including the front end of urinary tube, sensor casing, gas pressure sensor and elastic diaphragm, the bottom fixed electric connection socket of sensor casing blind hole, and the detachable plug -in air pressure sensor on electric connection socket, the front end of urinary tube has the stepped hole, and the large aperture section has the internal thread with the external thread screw joint on, and the elastic diaphragm includes the annular rubber pad of setting in the step and the elastic film of sealing fixed in the inboard of annular rubber pad, and the air pressure sensor is connected with the outside monitor through bluetooth module or connecting line structure, and the lateral wall of small aperture section is provided with transverse drainage hole and vertical gas guide hole respectively on the upside and downside of middle character, and the vertical gas guide hole is connected with transverse air outlet, and the lateral wall of small aperture section outside transverse air outlet is sealed and fixed with balloon. The utility model discloses a bladder pressure detector, can take out gas pressure sensor, then disinfect urinary tube and sensor casing, replace elastic diaphragm and carry out secondary use.

Description

Technical Field

[0001] This utility model relates to the field of medical equipment technology, specifically to a bladder pressure detector. Background Technology

[0002] Indwelling urinary catheters are a common clinical medical procedure used to drain urine and address urinary difficulties. The catheter is removed once the patient regains the ability to urinate independently. To monitor urination status promptly and reduce the frequency of medical staff rounds, existing technologies utilize bladder pressure sensors for monitoring, which has yielded good results.

[0003] With the increasing aging population, rising patient numbers, and insufficient medical funding, reusing medical devices to reduce costs is one solution. More and more medical devices are being reused or reused through innovative workflows and technologies. The main cost of indwelling urinary catheters, especially those with Bluetooth modules, lies in the sensors. Bladder pressure sensors are often implanted in the patient's body. Due to the risk of bacteria and viruses, indwelling catheters must be strictly sterilized if reused. However, the sensors themselves are relatively fragile and cannot withstand the sterilization process. Currently, most indwelling catheters are disposable. Therefore, how to adopt new technological solutions to enable the reusability of sensor-equipped indwelling catheters is a pressing technical problem that needs to be solved.

[0004] To address the aforementioned issues, a bladder pressure detector is urgently needed. Utility Model Content

[0005] The purpose of this invention is to provide a bladder pressure detector to solve the problems in the prior art.

[0006] To solve the above problems, the present invention adopts the following technical solution: A bladder pressure detector includes a urinary catheter tip, a sensor housing detachably and sealingly connected to the urinary catheter tip, a gas pressure sensor detachably installed within the sensor housing, and an elastic diaphragm sealed between the urinary catheter tip and the sensor housing. The sensor housing includes a closed spherical front end, a large-diameter middle section, and a small-diameter rear end section. The small-diameter section has external threads. A blind hole is axially provided on the sensor housing from the rear end of the small-diameter section forward. An electrical connection socket is fixed to the bottom of the blind hole, and the gas pressure sensor is detachably plugged into the electrical connection socket. The urinary catheter tip has a stepped hole, including the large-diameter front end section... The large-diameter section is connected to the small-diameter section, which has an internal thread that is helically connected to the external thread. A first sealing ring is provided on the step at the bottom of the large-diameter section, and a second sealing ring is provided on the front end face of the large-diameter section. The elastic diaphragm includes an annular rubber pad that is clamped on the step and an elastic diaphragm that is sealed and fixed inside the annular rubber pad. The air pressure sensor is connected to an external monitor via a Bluetooth module or a connecting cable structure. The side wall of the small-diameter section has a horizontal drainage hole and a vertical air guide hole from top to bottom. The vertical air guide hole is connected to a horizontal air outlet hole. The outer side wall of the small-diameter section outside the horizontal air outlet hole is sealed and fixed to the balloon.

[0007] Preferably, the connecting wire structure includes a first wire embedded in the sensor housing and a second wire embedded in the inner wall of the urinary catheter. The front end face of the large-diameter section has a conductive sheet connected to the second wire. The bottom of the large-diameter section is fixed with a spring piece connected to the first wire. After the front end of the urinary catheter is threadedly tightened to the sensor housing, the spring piece is electrically connected to the conductive sheet.

[0008] This bladder pressure detector, when in use, allows urine from the bladder to enter the anterior end of the urinary catheter through a transverse drainage hole, which in turn compresses an elastic diaphragm. The deformation of the diaphragm causes a change in air pressure in the sensor housing, which is detected by the pressure sensor. This pressure change is then output to a monitor via a Bluetooth module or a connecting cable, allowing medical staff to directly view the patient's bladder pressure information. Because post-prostatectomy patients often experience temporary functional disturbances in their nervous system, many may mistakenly believe they have difficulty urinating or feel abdominal distension, frequently pressing the call button to request confirmation from the doctor, causing unnecessary trouble for the physician. Connecting the detector to a monitor in the ward allows the patient to see the pressure directly, thus reducing anxiety. After the urinary catheter is removed from the patient, dry the tip of the catheter and the sensor housing. Then, unscrew the sensor housing from the tip of the catheter and remove the gas pressure sensor with tweezers. Since the gas pressure sensor is sealed inside during use, it does not need to be disinfected separately. The catheter and sensor housing can be disinfected, and the elastic diaphragm can be replaced for reuse. Even if a new catheter is used, the gas pressure sensor can be reused multiple times, which can still reduce costs to a certain extent. Attached Figure Description

[0009] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings used in the embodiments will be briefly described below: Figure 1 This is a schematic diagram of the structure of a bladder pressure detector according to the present invention; Figure 2 This is a schematic diagram of the connection structure between the bladder pressure detector and the external device. Detailed Implementation

[0010] To make the technical objectives, technical solutions, and beneficial effects of this utility model clearer, the technical solution of this utility model will be further described below with reference to the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described herein are only used to explain this utility model and are not intended to limit this utility model; that is, the described embodiments are only some embodiments of this utility model, and not all embodiments. The components of the embodiments of this utility model described and shown herein can generally be arranged and designed in various different configurations.

[0011] Example 1 Bladder pressure monitors, such as Figure 1 , Figure 2The device includes a urinary catheter end, a sensor housing 1 detachably and sealingly connected to the urinary catheter end, a gas pressure sensor 17 detachably installed inside the sensor housing, and an elastic diaphragm 15 sealed between the urinary catheter end and the sensor housing. The sensor housing includes a closed spherical surface at the front end, a large-diameter section in the middle, and a small-diameter section at the rear end. The small-diameter section has external threads 16. A blind hole 3 is axially provided on the sensor housing from the rear end of the small-diameter section forward. An electrical connection socket 18 is fixed at the bottom of the blind hole. The electrical connection socket is existing technology, purchased from the market, and can be glued and fixed to the bottom of the blind hole. A pressure sensor can be detachably plugged into the electrical connection socket; the front end of the urinary catheter has a stepped hole, including a large-diameter section at the front end and a small-diameter section connected to the large-diameter section. The large-diameter section has an internal thread 13 that is screwed to the external thread. A first sealing ring 7 is provided on the step at the bottom of the large-diameter section. A second sealing ring 14 is provided on the front end face of the large-diameter section. The elastic diaphragm includes an annular rubber pad 4 that is stuck on the step and an elastic diaphragm 5 that is sealed and fixed inside the annular rubber pad. The pressure sensor is connected to an external monitor via a Bluetooth module or a connection cable structure. In this embodiment, a connection structure is adopted. A transverse drainage hole 12 and a vertical air guide hole 9 are respectively provided on the side wall of the small-diameter section from top to bottom. A transverse air outlet hole 11 is connected to the vertical air guide hole. A balloon 10 is sealed and fixed on the outer side wall of the small-diameter section outside the transverse air outlet hole.

[0012] The connection structure in this embodiment includes a first wire 2 embedded in the sensor housing and a second wire 6 embedded in the inner wall of the urinary catheter. The front end face of the large-diameter section has a conductive sheet 14 connected to the second wire. The bottom of the large-diameter section is fixed with a spring piece 25 connected to the first wire. After the front end of the urinary catheter is screwed into the sensor housing, the spring piece is electrically connected to the conductive sheet.

[0013] The rear end of the bladder pressure detector of this invention is the rest of the urinary catheter. The vertical air inlet 9 is connected to an air pump via an air tube. In this embodiment, a manual air pump is used. The lower end of the second lead wire 6 enters the vertical air inlet 9 and exits the urinary catheter in a sealed manner, and then is connected to a monitor. After the bladder pressure detector is inserted into the patient's bladder, the balloon is inflated 10 by the manual air pump, and the valve 19 on the urinary catheter is opened, allowing urine to enter the urine bag 20.

[0014] During use, urine from the bladder enters the front of the catheter through the transverse drainage hole, compressing the elastic diaphragm. The deformation of the diaphragm causes a change in air pressure in the sensor housing, which is detected by the pressure sensor. This pressure change is then output to a monitor via Bluetooth or a connecting cable, allowing medical staff to directly view the patient's bladder pressure information. Because post-prostatectomy patients often experience temporary functional disturbances in their nervous system, many mistakenly believe they are experiencing difficulty urinating or abdominal distension, frequently pressing the call button to request confirmation from the doctor, causing unnecessary trouble for the physician. Connecting the device to a monitor in the ward allows the patient to see the information directly, reducing anxiety. After the catheter is removed from the patient, the front of the catheter and the sensor housing are dried. The sensor housing is then unscrewed from the front of the catheter, and the pressure sensor is removed with tweezers. The catheter and sensor housing are then disinfected, and the elastic diaphragm is replaced for reuse. Even with a new catheter, the reusable pressure sensor helps reduce costs to some extent.

[0015] In other embodiments, unlike the embodiments described above, a Bluetooth module with power is used, which simplifies the structure. The Bluetooth module with power is existing technology and will not be described in detail here.

[0016] Finally, it should be noted that the above embodiments are only for illustration and not for limiting the technical solutions of this utility model. Any equivalent substitutions and modifications or partial substitutions that do not depart from the spirit and scope of this utility model should be covered within the scope of protection of the claims of this utility model.

Claims

1. A bladder pressure detector, characterized in that: The device includes a urinary catheter tip, a sensor housing detachably and sealingly connected to the urinary catheter tip, a gas pressure sensor detachably installed within the sensor housing, and an elastic diaphragm sealed between the urinary catheter tip and the sensor housing. The sensor housing includes a closed spherical front end, a large-diameter middle section, and a small-diameter rear end section. The small-diameter section has external threads. A blind hole is axially provided on the sensor housing from the rear end of the small-diameter section forward. An electrical connection socket is fixed to the bottom of the blind hole, and the gas pressure sensor is detachably plugged into the electrical connection socket. The urinary catheter tip has a stepped hole, including a large-diameter front end section and a section connecting to the large-diameter section. The large-diameter section has a small-diameter section connected by a short diameter, and an internal thread that is helically connected to the external thread. A first sealing ring is provided on the step at the bottom of the large-diameter section, and a second sealing ring is provided on the front end face of the large-diameter section. The elastic diaphragm includes an annular rubber pad that is clamped on the step and an elastic diaphragm that is sealed and fixed inside the annular rubber pad. The air pressure sensor is connected to an external monitor via a Bluetooth module or a connecting cable structure. The side wall of the small-diameter section has a horizontal drainage hole and a vertical air guide hole from top to bottom. The vertical air guide hole is connected to a horizontal air outlet hole. The outer side wall of the small-diameter section outside the horizontal air outlet hole is sealed and fixed to the balloon.

2. The bladder pressure detector according to claim 1, characterized in that: The connecting wire structure includes a first wire embedded in the sensor housing and a second wire embedded in the inner wall of the urinary catheter. The front end face of the large-diameter section has a conductive sheet connected to the second wire. The bottom of the large-diameter section is fixed with a spring piece connected to the first wire. After the front end of the urinary catheter is threadedly tightened to the sensor housing, the spring piece is electrically connected to the conductive sheet.

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