A reverse flow-proof temperature-controllable bladder irrigation device

Abstract

The application relates to the technical field of medical devices, in particular to an anti-reflux temperature-controllable bladder flushing device, which comprises a box body, a flushing liquid bottle is arranged on the top of the box body, a connecting pipe is connected to the bottom of the flushing liquid bottle, a peristaltic pump is arranged in the box body, a pipeline heating clamping groove is arranged in the box body, the pipeline heating clamping groove is inserted into the pipeline heating clamping groove, a heating assembly is arranged on the inner side of the pipeline heating clamping groove, an anti-reflux assembly is arranged at the bottom of the pipeline heating clamping groove, a pressure detection assembly is arranged on the outer side of the anti-reflux assembly, and a three-way valve is connected to the end of the connecting pipe. Through the arrangement of the anti-reflux assembly, the first movable plate is arranged in the flow-through groove, the flushing liquid flows downwards from the flow-through groove, when the flushing liquid backflows, the liquid pushes the first movable plate to make it rise, the first movable plate blocks the connecting sleeve, and the reverse flow phenomenon of the flushing liquid is prevented.

Description

Technical Field

[0001] This invention relates to the field of medical device technology, specifically to a backflow-preventing, temperature-controlled bladder irrigation device. Background Technology

[0002] Bladder irrigation involves instilling an irrigation solution into the bladder. This is used in patients with indwelling catheters to remove blood clots, mucus, bacteria, and other foreign objects from the bladder, ensuring unobstructed urine drainage. It is also used to treat certain bladder diseases, such as cystitis and bladder tumors.

[0003] Existing bladder irrigation devices can effectively perform bladder irrigation, but they have the following problems: 1. After prostate surgery in urology, sterile saline is routinely used for continuous bladder irrigation. During irrigation, the irrigation fluid cannot be continuously heated and kept warm. The temperature of the room temperature irrigation fluid is lower than the body temperature, which leads to increased postoperative bleeding and increased occurrence of bladder spasms. 2. Existing clinical irrigation devices do not have backflow prevention features. Due to factors such as excessively rapid irrigation, excessively high pressure, tube blockage, or bladder spasm, the bladder pressure may become too high, causing backflow of the irrigation fluid, which makes it difficult to observe the bladder irrigation and causes anxiety for patients and their families. Furthermore, backflow of the irrigation fluid into the ureters and kidneys can cause urinary tract infections. Therefore, we propose a backflow-preventing, temperature-controlled bladder irrigation device to solve the above problems. Summary of the Invention

[0004] The purpose of this invention is to provide a bladder irrigation device with anti-backflow and temperature control, in order to solve the problems mentioned in the background art, such as increased postoperative bleeding and bladder spasms caused by room temperature irrigation fluid, and the easy backflow of irrigation fluid causing urinary tract infections of the ureter and kidney.

[0005] To achieve the above objectives, the present invention provides the following technical solution: a backflow-preventing, temperature-controlled bladder irrigation device, comprising a housing, an irrigation fluid bottle placed on the top of the housing, a connecting pipe connected to the bottom of the irrigation fluid bottle, a peristaltic pump installed inside the housing, a pipe heating slot provided inside the housing, a heating component installed on the inner side of the pipe heating slot, an anti-backflow component provided at the bottom of the pipe heating slot, a pressure detection component provided on the outer side of the anti-backflow component, and a three-way valve connected to the end of the connecting pipe; The anti-backflow assembly includes a connecting sleeve, a flow groove, a slide groove, a slider, and a first movable plate. The connecting sleeve is connected inside the connecting pipe. The inner wall of the connecting sleeve has a flow groove. The inner side of the flow groove has a slide groove. The slide groove has a slider inside. The inner side of the slider has a first movable plate.

[0006] Preferably, the pressure detection assembly includes an outer pipe, a flow pipe, a second movable plate, and a pressure sensor. The outer pipe is fixedly connected to the outside of the connecting sleeve. A flow pipe is opened inside the outer pipe and is connected to the inside of the connecting sleeve. The second movable plate is movably connected inside the outer pipe. A pressure sensor is fixedly installed on the top of the inner wall of the outer pipe.

[0007] Preferably, multiple sets of sliders are fixedly connected to the bottom outer side of the first movable plate, the thickness of the first movable plate is twice that of the sliders, and the sliders are slidably connected inside the groove.

[0008] Preferably, the heating assembly includes a fixing groove, a heating coil, and a snap-fit ​​pad. The fixing groove is provided inside the housing, and the heating coil is installed inside the fixing groove. The snap-fit ​​pad is connected to the inner wall of the pipe heating slot.

[0009] Preferably, a display screen and a control panel are mounted on the surface of the housing, a temperature sensor is mounted on the outside of the heating coil, and the display screen and control panel are electrically connected to the internal peristaltic pump, heating coil, snap-fit ​​pad, and pressure sensor.

[0010] Preferably, a guide block is fixedly connected to the top of the first movable plate, and a guide groove is provided at the bottom of the connecting sleeve, the cross-section of which is an isosceles trapezoid.

[0011] Preferably, a sealing ring is fixedly connected to the outer side of the first movable plate, and the diameter of the first movable plate is adapted to the inner diameter of the connecting sleeve.

[0012] Preferably, an audible and visual alarm is fixedly installed on the top of the enclosure, and the audible and visual alarm is connected to the display screen and control panel via wires.

[0013] Compared with the prior art, the beneficial effects of the present invention are: 1. The present invention, through the setting of the anti-backflow component, pushes the first movable plate down when the flushing fluid enters the connecting sleeve, so that the first movable plate is in the flow channel, and the flushing fluid flows downward from the flow channel. When the flushing fluid backflows, the liquid pushes the first movable plate up, and the first movable plate blocks the connecting sleeve to prevent the flushing fluid from backflowing.

[0014] 2. This invention controls the heating coil to raise the temperature by setting up a heating component, continuously heating and keeping the flushing fluid in the connecting tube warm, so that the temperature is consistent with the body temperature and avoids causing discomfort to the patient.

[0015] 3. By setting up a pressure detection component, when the first movable plate blocks the inside of the connecting sleeve, the flushing fluid enters the outer pipe from the flow pipeline, pushing the second movable plate to move towards the pressure sensor. When the pressure sensor comes into contact with the pressure brought by the second movable plate, it issues an alarm to the internal control PLC controller, reminding medical staff to deal with the fluid backflow in time and avoid increasing the patient's discomfort. Attached Figure Description

[0016] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0017] Figure 1 This is a front view schematic diagram of the structure of the present invention; Figure 2 This is a schematic diagram of the heating assembly of the present invention; Figure 3 This is a schematic diagram of the anti-backflow component of the present invention; Figure 4 This is a schematic diagram of the pressure detection component of the present invention.

[0018] In the diagram: 1. Box body; 2. Rinse fluid bottle; 3. Connecting pipe; 4. Peristaltic pump; 5. Pipe heating slot; 6. Heating assembly; 601. Fixing slot; 602. Heating coil; 603. Clip-on pad; 604. Temperature sensor; 7. Anti-backflow assembly; 701. Connecting sleeve; 702. Flow channel; 703. Slide groove; 704. Sliding block; 705. First movable plate; 706. Guide block; 707. Guide channel; 708. Sealing ring; 8. Pressure detection assembly; 801. External pipe; 802. Flow pipeline; 803. Second movable plate; 804. Pressure sensor; 9. Three-way valve; 10. Display screen; 11. Control panel; 12. Audible and visual alarm. Detailed Implementation

[0019] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0020] Please see Figure 1-4This invention provides an embodiment of a backflow-preventing, temperature-controlled bladder irrigation device, comprising a housing 1. The housing 1 is equipped with a PLC controller, enabling automated control of functions such as starting and stopping the peristaltic pump 4, adjusting the temperature of the heating component 6, pressure detection, and monitoring the backflow prevention status. A transparent medical-grade irrigation fluid bottle 2 for storing sterile irrigation fluid is placed on the top of the housing 1, and a medical-grade flexible infusion connecting tube 3 is connected to the bottom of the irrigation fluid bottle 2. The peristaltic pump 4 is installed inside the housing 1 to provide stable liquid delivery power and precisely control the flow rate of the irrigation fluid. An arc-shaped pipe heating slot 5 specifically designed for the connecting tube 3 is provided inside the housing 1, and the middle section of the connecting tube 3 is inserted into the pipe heating slot 5. A heating component 6 (such as a heating coil or PTC heater) is provided inside the pipe heating slot 5 to provide constant temperature heating of the irrigation fluid in the pipe, maintaining a suitable temperature for the human body. An anti-backflow component 7 is provided at the bottom of the pipe heating slot 5 to prevent the irrigation fluid from flowing back. To avoid cross-infection, the solution is directed to the irrigation fluid bottle or the patient's bladder side; a pressure detection component 8 is installed on the outside of the anti-backflow component 7 to monitor the fluid pressure in the pipeline in real time and trigger an alarm when abnormal; a three-way valve 9 is connected to the end of the connecting pipe 3 to switch the delivery path of the irrigation fluid or connect to the drainage pipeline; the anti-backflow component 7 includes a connecting sleeve 701, a flow channel 702, a slide 703, a slider 704, and a first movable plate 705; the inside of the connecting pipe 3 is connected to a medical-grade plastic fitting adapted to the inner diameter of the connecting pipe 3. The connecting sleeve 701 has multiple axially distributed flow grooves 702 on its inner wall (to ensure smooth passage of flushing fluid). The inner side of the flow grooves 702 has a longitudinal sliding groove 703. The sliding groove 703 is equipped with a wear-resistant plastic slider 704. The inner side of the slider 704 is fixedly connected to a first movable plate 705 (an elastic sealing plate with a diameter matching the inner diameter of the connecting sleeve 701, which moves downward under liquid pressure during normal flushing and moves upward under reverse pressure during counterflow to block the pipeline). This device, through the inclusion of an anti-backflow component 7 and a heating component 6, solves the problems of increased postoperative bleeding and bladder spasms caused by room-temperature irrigation fluid, as well as the urinary tract infection caused by backflow of the irrigation fluid.

[0021] Furthermore, at least two sets of pressure detection components 8 can be symmetrically connected to the outside of the anti-backflow component 7, and each set has a different internal volume to stabilize the internal liquid flow direction and prevent the first movable plate 705 from tilting. At the same time, the different internal volumes improve the detection effect. The pressure detection component 8 includes an outer pipe 801, a flow pipe 802, a second movable plate 803, and a pressure sensor 804. The pressure sensor 804 adopts a circular tension / compression sensor NF402B. The outer pipe 801 is fixedly connected to the outside of the connecting sleeve 701. The flow pipe 802 is opened inside the outer pipe 801 and is connected to the inside of the connecting sleeve 701. The second movable plate 803 is movably connected inside the outer pipe 801, and the pressure sensor 804 is fixedly installed on the top of the inner wall of the outer pipe 801. Figure 4 As shown, this structure is used to block the inside of the connecting sleeve 701 when backflow occurs. At this time, the first movable plate 705 blocks the inside of the connecting sleeve 701, and the flushing fluid enters the outer pipe 801 from the flow pipe 802, pushing the second movable plate 803 to move towards the pressure sensor 804. When the pressure sensor 804 comes into contact with the pressure brought by the second movable plate 803, the pressure sensor 804 of different volumes issues an alarm to the internal control PLC controller, reminding medical staff to deal with the fluid backflow in time.

[0022] Furthermore, multiple sets of sliders 704 are fixedly connected to the bottom outer side of the first movable plate 705. The thickness of the first movable plate 705 is twice that of the sliders 704, and the sliders 704 are slidably connected inside the groove 703. Figure 3 As shown, this structure is used to vertically set the connecting sleeve 701. When the flushing fluid flows into the connecting sleeve 701, it pushes the first movable plate 705 to move towards the bottom of the flow channel 702, so that the slide 703 contacts the bottom of the slider 704. At this time, the flushing fluid flows downward from the flow channel 702. When backflow occurs, the liquid at the bottom pushes the first movable plate 705 upward, so that the slider 704 fits against the top of the slide 703. At this time, the first movable plate 705 blocks the inside of the connecting sleeve 701 to prevent backflow.

[0023] Furthermore, the heating component 6 includes a fixing slot 601, a heating coil 602, and a snap-fit ​​pad 603. The heating coil 602 is model FYL-YS-431L, a special heating coil for bladder irrigation fluid heating, with a rated power of 500W, operating voltage of 220V, and a temperature adjustment range of 35-38℃. It adopts a double-helix heating structure and, in conjunction with a temperature sensor 604, can achieve precise temperature control of ±0.5℃, suitable for the constant temperature heating requirements of liquids in continuous irrigation scenarios. The fixing slot 601 is opened inside the housing 1, and the heating coil 602 is installed inside the fixing slot 601. The snap-fit ​​pad 603 is connected to the inner wall of the pipe heating slot 5. Figure 2As shown, this structure is used to clamp the connecting pipe 3 inside the clamping pad 603 by heating the pipe groove 5, and start the heating coil 602 to continuously heat and keep the flushing fluid in the connecting pipe 3 warm, so that the temperature is consistent with the body temperature.

[0024] Furthermore, a display screen 10 and a control panel 11 are mounted on the surface of the housing 1. A temperature sensor 604 is mounted on the outside of the heating coil 602. The display screen 10 and control panel 11 are electrically connected to the internal peristaltic pump 4, heating coil 602, snap-fit ​​pad 603, and pressure sensor 804. Figure 1 As shown, the structure is used to display temperature, pressure and flow rate values ​​via display screen 10, and to control the internal peristaltic pump 4 and heating coil 602 via control panel 11.

[0025] Furthermore, a guide block 706 is fixedly connected to the top of the first movable plate 705, and a guide groove 707 is provided at the bottom of the connecting sleeve 701. The cross-section of the guide groove 707 is an isosceles trapezoid. Figure 4 As shown, this structure is used to guide the flushing fluid through the guide block 706 and the guide groove 707, so that the liquid can flow smoothly through the flow groove 702.

[0026] Furthermore, a sealing ring 708 is fixedly connected to the outer side of the first movable plate 705, and the diameter of the first movable plate 705 is adapted to the inner diameter of the connecting sleeve 701. Figure 4 As shown, this structure is used to improve the sealing performance of the device by setting the sealing ring 708, so that the first movable plate 705 can seal the inside of the connecting sleeve 701 when it rises.

[0027] Furthermore, an audible and visual alarm 12 is fixedly installed on the top of the enclosure 1, and the audible and visual alarm 12 is connected to the display screen 10 and the control panel 11 via wires. For example... Figure 1 As shown, this structure is used to activate the audible and visual alarm 12 after the PLC controller inside the housing 1 receives a signal, thereby alerting the staff.

[0028] Working principle: When using, such as Figure 1 and Figure 2 As shown, first hang the flushing fluid bottle 2 on the top of the box 1, and connect the connecting tube 3 to the flushing fluid bottle 2. Then, through the peristaltic pump 4, place the other end of the connecting tube 3 into the pipe heating slot 5, securing it inside the retaining pad 603. Start the peristaltic pump 4 and heating coil 602 via the control panel 11 to continuously heat and maintain the flushing fluid in the connecting tube 3, keeping the temperature consistent with the body's internal temperature. Figure 3 and Figure 4As shown, when the flushing fluid flows into the connecting sleeve 701, it pushes the first movable plate 705 to move towards the bottom of the flow channel 702, so that the slide 703 contacts the bottom of the slider 704. At this time, the flushing fluid flows downward from the flow channel 702. When backflow occurs, the liquid at the bottom pushes the first movable plate 705 upward, so that the slider 704 fits against the top of the slide 703. At this time, the first movable plate 705 blocks the inside of the connecting sleeve 701 to prevent backflow. When the first movable plate 705 blocks the inside of the connecting sleeve 701, the flushing fluid enters the outer pipe 801 from the flow pipe 802, pushing the second movable plate 803 to move towards the pressure sensor 804. When the pressure sensor 804 comes into contact with the pressure brought by the second movable plate 803, the pressure sensor 804 of different volumes sends a signal to the internal control PLC controller. The PLC controller activates the audible and visual alarm 12 to sound an alarm, reminding medical staff to deal with the fluid backflow in time. The above is the complete working principle of the present invention.

[0029] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the invention can be implemented in other specific forms without departing from its spirit or essential characteristics. Therefore, the embodiments should be considered in all respects as exemplary and non-limiting, and the scope of the invention is defined by the appended claims rather than the foregoing description. Thus, all variations falling within the meaning and scope of equivalents of the claims are intended to be included within the present invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

Claims

1. A backflow-preventing, temperature-controlled bladder irrigation device, characterized in that: The device includes a housing (1), a flushing fluid bottle (2) placed on the top of the housing (1), a connecting pipe (3) connected to the bottom of the flushing fluid bottle (2), a peristaltic pump (4) installed inside the housing (1), a pipe heating slot (5) opened inside the housing (1), a pipe heating slot (5) inserted into the pipe heating slot (5), a heating component (6) provided on the inner side of the pipe heating slot (5), an anti-backflow component (7) provided at the bottom of the pipe heating slot (5), a pressure detection component (8) provided on the outer side of the anti-backflow component (7), and a three-way valve (9) connected to the end of the connecting pipe (3). The anti-backflow component (7) includes a connecting sleeve (701), a flow groove (702), a slide groove (703), a slider (704), and a first movable plate (705). The connecting sleeve (701) is connected inside the connecting pipe (3). The inner wall of the connecting sleeve (701) is provided with a flow groove (702). The inner side of the flow groove (702) is provided with a slide groove (703). The slide groove (703) is provided inside the slide groove (703). The first movable plate (705) is provided inside the slider (704).

2. The anti-backflow, temperature-controlled bladder irrigation device according to claim 1, characterized in that: The pressure detection assembly (8) includes an outer pipe (801), a flow pipe (802), a second movable plate (803), and a pressure sensor (804). The outer pipe (801) is fixedly connected to the outside of the connecting sleeve (701). The flow pipe (802) is opened inside the outer pipe (801) and is connected to the inside of the connecting sleeve (701). The second movable plate (803) is movably connected inside the outer pipe (801). The pressure sensor (804) is fixedly installed on the top of the inner wall of the outer pipe (801).

3. The anti-backflow, temperature-controlled bladder irrigation device according to claim 1, characterized in that: Multiple sets of sliders (704) are fixedly connected to the bottom outer side of the first movable plate (705). The thickness of the first movable plate (705) is twice that of the sliders (704). The sliders (704) are slidably connected inside the groove (703).

4. The backflow-preventing, temperature-controlled bladder irrigation device according to claim 1, characterized in that: The heating assembly (6) includes a fixing groove (601), a heating coil (602) and a snap-fit ​​pad (603). The fixing groove (601) is provided inside the housing (1). The heating coil (602) is installed inside the fixing groove (601). The snap-fit ​​pad (603) is connected to the inner wall of the pipe heating slot (5).

5. A backflow-preventing, temperature-controlled bladder irrigation device according to claim 4, characterized in that: The surface of the housing (1) is equipped with a display screen (10) and a control panel (11). A temperature sensor (604) is installed on the outside of the heating coil (602). The display screen (10) and control panel (11) are electrically connected to the internal peristaltic pump (4), heating coil (602), snap-fit ​​pad (603), and pressure sensor (804).

6. A backflow-preventing, temperature-controlled bladder irrigation device according to claim 1, characterized in that: The top of the first movable plate (705) is fixedly connected to a guide block (706), and the bottom of the connecting sleeve (701) is provided with a guide groove (707), the cross-section of which is an isosceles trapezoid.

7. A backflow-preventing, temperature-controlled bladder irrigation device according to claim 1, characterized in that: A sealing ring (708) is fixedly connected to the outer side of the first movable plate (705), and the diameter of the first movable plate (705) is adapted to the inner diameter of the connecting sleeve (701).

8. A backflow-preventing, temperature-controlled bladder irrigation device according to claim 1, characterized in that: A sound and light alarm (12) is fixedly installed on the top of the enclosure (1), and the sound and light alarm (12) is connected to the display screen (10) and the control panel (11) by wires.

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