Multifunctional cystoscope for urinary surgery

Abstract

The invention relates to the technical field of medical instruments, in particular to a multifunctional urinary surgery cystoscope which comprises a cystoscope sheath and a mounting seat arranged at the tail of the cystoscope sheath, and further comprises a pressure monitoring module arranged at the tail of the mounting seat and connected with a pressure monitoring part located at the head of the cystoscope sheath, and a visual operation needle withdrawing module. The head of the cystoscope sheath is connected with an image transmission tube and a dosing channel which extend towards the head of the cystoscope sheath, so that the problems that in the prior art, the urinary surgery cystoscope is only provided with a single and linear operation channel, the urethra of a patient cannot be fully expanded, the patient feels uncomfortable or painful, the inner wall of the urethra is easily damaged, and the urethra cannot be fully expanded are solved. When medicine injection is carried out in precise target areas such as external urethral sphincter, a cystoscope body is high in rigidity, the direction of a needle head cannot be adjusted, an effective positioning means is lacked, accurate, safe and single-person operation is difficult to achieve, injection errors are large, and targeting is unknown.

Description

Technical Field

[0001] This invention relates to the field of medical device technology, specifically to a multifunctional urological cystoscope. Background Technology

[0002] The main treatment areas of urology include: various urinary stones and complex kidney stones, kidney and bladder tumors, benign prostatic hyperplasia and prostatitis, inflammation and tumors of the testis and epididymis, hydrocele, various urinary tract injuries, and congenital malformations of the urinary tract such as hypospadias, cryptorchidism, and hydronephrosis caused by ureteropelvic junction obstruction. Cystoscopy is usually used when examining lesions or diseases in the bladder. When using cystoscopy, the cystoscope is usually disinfected before being inserted into the urethra.

[0003] Chinese patent CN211723111U discloses a urological cystoscope, including a handle, a guide groove, a soft needle fixing device, an image transmission fiber, an imaging fiber, and an image display. The guide groove is horizontally fixed to the top of the handle via a notch, with the handle located on the right side of the guide groove. The soft needle fixing device is horizontally slidable on the left side of the guide groove cavity via a slider and a groove. A soft needle is horizontally fixed to the cavity of the soft needle fixing device. By inserting the device into the body, the image transmission fiber and the imaging fiber form a display system with the image display. After determining the position, the index finger presses the arc-shaped pressure block, and the liquid in the U-shaped cavity pushes the upper moving piston rod to the left, allowing the needle to be inserted into the affected area. The insertion depth is confirmed using a scale line. Then, the injection is performed by pressing the syringe piston rod with the thumb. This device is simple to operate, reusable, and practical.

[0004] However, existing urological cystoscopes, such as those described above, only have a single, linear operating channel, which cannot fully dilate the patient's urethra. This not only makes it difficult to insert the cystoscope, causing discomfort or pain to the patient, but also affects the medical staff's observation of the targeted treatment location, easily causing damage to the urethral wall. Furthermore, when injecting drugs into delicate target areas such as the external urethral sphincter, the rigidity of the cystoscope, the inability to adjust the needle direction, and the lack of effective positioning methods make it difficult to achieve precise, safe, and single-person operation, resulting in problems such as large injection errors and unclear targeting. Summary of the Invention

[0005] The purpose of this invention is to provide a multifunctional urological cystoscope that overcomes the limitations of existing urological cystoscopes, which only have a single, linear operating channel and cannot fully dilate the patient's urethra. This not only makes it difficult to insert the cystoscope, causing discomfort or pain to the patient, but also affects the medical staff's observation of the targeted treatment location and is prone to damage to the urethral wall. Furthermore, when injecting drugs into delicate target areas such as the external urethral sphincter, the rigidity of the cystoscope, the inability to adjust the needle direction, and the lack of effective positioning methods make it difficult to achieve precise, safe, and single-person operation, resulting in problems such as large injection errors and unclear targeting.

[0006] To achieve the above objectives, the technical solution adopted by the present invention to solve its technical problem is as follows: A multifunctional urological cystoscope was designed, integrating a pressure monitoring module, a visual operation needle delivery module, and an inflow / outflow fluid control module. The inflow / outflow fluid control module allows for precise control of the irrigation fluid dosage, ensuring full urethral expansion for easier observation and treatment by medical staff, thus improving patient compliance. The pressure monitoring module effectively prevents excessive irrigation fluid and patient discomfort. Simultaneously, pressure sensor patches identify infected and diseased areas on the urethral wall. The combination of a position scale and the visual operation needle delivery module allows for precise needle insertion into the infected area, facilitating drug injection and treatment. The specific protocol is as follows: A multifunctional urological cystoscope includes a sheath and a mounting base disposed at the tail of the sheath, and further includes: A pressure monitoring module is located at the tail of the mounting base. The pressure monitoring module is connected to a pressure monitoring device located at the head of the endoscope sheath, which is used to identify the infected area and the lesion area on the inner wall of the patient's urethra. A visual operation needle delivery module is located at the tail of the mounting base. Its head is connected to an image transmission tube and a drug delivery channel extending to the head of the endoscope sheath, which is used to treat the infected and lesion areas identified by the pressure monitoring module.

[0007] Preferably, the pressure monitoring module includes: A positioning sleeve is fitted onto the tail of the mounting base. Multiple indicator lights are arranged in a ring on the outer peripheral wall of the positioning sleeve. The indicator lights are used to correspond to the position scale of the visual operation needle output module. A transmission line is connected between the pressure monitoring element and the positioning sleeve, the pressure monitoring element being fitted into the mounting groove of the sheath head.

[0008] Preferably, the pressure monitoring device is composed of multiple pressure sensor patches in a ring array, and the multiple pressure sensor patches correspond one-to-one with the multiple indicator lights to determine the location of the infected area and the lesion area on the inner wall of the patient's urethra.

[0009] Preferably, the visual operation needle dispensing module includes: A connecting sleeve, the lower end of which is fitted inside the mounting base, and an injection assembly is connected to the left side of the connecting sleeve for injecting medication into the patient. An image signal transmission pipe is connected to the right side of the connecting sleeve for connecting to an external image display screen; the image signal transmission pipe is connected to the image transmission pipe. The needle delivery assembly is disposed at the upper end of the connecting sleeve and connected to the injection assembly. The needle delivery assembly corresponds to the plurality of needle outlets in the annular array at the end of the end of the endoscope sheath.

[0010] Preferably, the injection assembly consists of a drug cartridge and an injection plunger, with the output end of the drug cartridge connected to the drug delivery channel; The image transmission tube head is equipped with a miniature camera, which corresponds to the needle outlet and is used to capture images of the infected area and the lesion area.

[0011] Preferably, the needle delivery assembly includes: A pneumatic cylinder is connected to the upper end of the connecting sleeve. A needle push rod is slidably connected inside the pneumatic cylinder. An air tube is connected to the output end of the pneumatic cylinder. The air tube is located in the drug delivery channel and has a bend at its head. An injection needle is retractably disposed within the bent portion, for the injection needle to be inserted through the needle outlet.

[0012] Preferably, a piston chamber is provided inside the bent portion, and a piston is provided at the tail of the injection needle, with the piston slidably connected inside the piston chamber; The piston cavity head annular array has multiple docking holes, and the injection needle tail annular array has multiple injection holes, the injection holes corresponding to the docking holes.

[0013] Preferably, the mounting base is also provided with an inlet / outlet control module for controlling the dosage of the infusion fluid, and the end of the endoscope sheath is also provided with uniformly distributed outlet holes for infusing an appropriate amount of infusion fluid into the patient's urethra to allow it to fully expand.

[0014] Preferably, the liquid inlet / outlet control module includes an inlet pipe disposed on the left side of the mounting base and an outlet pipe disposed on the right side of the mounting base, and control valves are respectively disposed on the inlet pipe and the outlet pipe.

[0015] Preferably, the sheath head is provided with a flexible protective head located at the front end of the fluid outlet, which is used to reduce discomfort during the insertion of the sheath into the patient's urethra.

[0016] The beneficial effects of this invention are: 1. This invention can deploy by injecting irrigation fluid into the patient's urethra through the inlet / outlet fluid control module, so as to facilitate medical personnel's observation and treatment. It can also be used with a pressure monitoring module to monitor the pressure inside the patient's urethra. The monitoring information feedback can effectively prevent excessive irrigation fluid from causing discomfort to the patient, thereby improving its practicality. At the same time, the pressure sensor patch set in the pressure monitoring module can effectively identify the areas of infection and lesions on the inner wall of the patient's urethra, so as to achieve precise target positioning treatment and provide sufficient operating space for medical personnel.

[0017] 2. In this invention, the visual operation needle dispensing module, in coordination with the pressure monitoring module, feeds back the information identified by the pressure sensor patch in the pressure monitoring module to the positioning sleeve, causing the indicator light corresponding to the pressure sensor patch to light up. This allows medical personnel to align the image transmission tube and the drug delivery channel head with the lesion area by rotating the connecting sleeve. Drug injection and image capture of the lesion area are achieved through the injection needle and miniature camera, improving the accuracy of drug injection.

[0018] 3. This invention allows for the selection of different injection needles, such as single-needle or triple-needle needles, based on the severity of the patient's condition. This results in shorter injection times, a wider range of action, increased therapeutic efficacy, reduced treatment frequency, less patient discomfort, and improved patient compliance.

[0019] 4. The present invention has a flexible protective head at the sheath head, which can reduce resistance and reduce patient discomfort and pain during the insertion of the cystoscope into the patient's urethra. At the same time, the protective cover designed at the needle ejection rod position of the needle ejection assembly is to ensure that the injection needle will not be accidentally triggered during the insertion of the cystoscope into the patient's urethra, which could cause serious consequences such as tearing of the urethral wall, thus improving its safety. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the overall structure of a multifunctional urological cystoscope according to the present invention; Figure 2 for Figure 1 A magnified view of a portion of point A in the middle; Figure 3 This is a schematic diagram of the internal structure of a multifunctional urological cystoscope according to the present invention; Figure 4 for Figure 3 A magnified view of a portion of point B in the middle; Figure 5 This is a schematic diagram of the structure of a visualization operation needle delivery module in a multifunctional urological cystoscope according to the present invention; Figure 6 This is a schematic diagram of the internal structure of a visualization operation needle delivery module in a multifunctional urological cystoscope according to the present invention; Figure 7 for Figure 6 A magnified view of a portion of point C in the middle; Figure 8 for Figure 6 A magnified view of a portion of point D in the middle; Figure 9 This is a schematic diagram of the structure of a single needle in a multifunctional urological cystoscope according to the present invention; Figure 10 This is a schematic diagram of the installation of a pressure monitoring module in a multifunctional urological cystoscope according to the present invention; Figure 11 This is a schematic diagram of the internal structure of a pressure monitoring module in a multifunctional urological cystoscope according to the present invention; Figure 12 This is a schematic diagram of the structure of the endoscope sheath in a multifunctional urological cystoscope according to the present invention; Figure 13 This is a schematic diagram showing the positional relationship between the flexible protective head and the pressure monitoring device in a multifunctional urological cystoscope according to the present invention. Figure 14 This is a schematic diagram of the installation of three needles in a multifunctional urological cystoscope according to the present invention; Figure 15 for Figure 14 A magnified view of a portion of point E in the middle; Figure 16 This is a schematic diagram of the structure of a three-needle head in a multifunctional urological cystoscope according to the present invention; Figure 17 This is a perspective view of a multifunctional urological cystoscope according to the present invention; Figure 18 This is a perspective view of the visualization operation needle delivery module in a multifunctional urological cystoscope according to the present invention.

[0021] In the diagram: 1-Mirror sheath; 11-Liquid outlet; 12-Needle outlet; 13-Mounting groove; 2-Mounting base; 21-Liquid inlet pipe; Liquid outlet pipe; 23-Control valve; 3-Positioning sleeve; 31-Indicator light; 32-Transmission line; 4-Connecting sleeve; 41-Air cylinder; 42-Drug cartridge; 43-Injection plunger; 44-Position scale; 45-Protective cap; 46-Needle plunger; 47-Air tube; 5-Drug delivery channel; 51-Bend; 511-Matching hole; 512-Piston chamber; 52-Injection needle; 521-Piston; 522-Injection hole; 6-Image transmission tube; 61-Miniature camera; 62-Image information transmission pipe; 7-Flexible protective head; 8-Pressure monitoring component; 81-Pressure sensor patch. Detailed Implementation

[0022] To make the objectives, technical solutions, and advantages of the present invention clearer, the present invention will be further described in detail below with reference to the embodiments and accompanying drawings. The illustrative embodiments and descriptions of the present invention are only used to explain the present invention and are not intended to limit the present invention.

[0023] In the following description, numerous specific details are set forth in order to provide a thorough understanding of the invention. However, it will be apparent to those skilled in the art that these specific details are not necessary to practice the invention. In other embodiments, well-known structures, circuits, materials, or methods have not been specifically described in order to avoid obscuring the invention.

[0024] Throughout this specification, references to "an embodiment," "an example," or "an example" mean that a particular feature, structure, or characteristic described in connection with that embodiment or example is included in at least one embodiment of the invention. Therefore, the phrases "an embodiment," "an example," "an example," or "an example" appearing in various places throughout the specification do not necessarily refer to the same embodiment or example. Furthermore, specific features, structures, or characteristics can be combined in one or more embodiments or examples in any suitable combination and / or sub-combination. Moreover, those skilled in the art will understand that the illustrations provided herein are for illustrative purposes and are not necessarily drawn to scale. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0025] In the description of this invention, the terms "front", "rear", "left", "right", "up", "down", "vertical", "horizontal", "high", "low", "inner", and "outer" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limiting the scope of protection of this invention.

[0026] Example 1 like Figure 1-18As shown, this invention provides a multifunctional urological cystoscope, including a sheath 1 made of hollow stainless steel to ensure its mechanical strength and durability, and a mounting base 2 located at the tail of the sheath 1, which also has a hollow structure design to facilitate the installation of other components and communication with the sheath 1. It also includes a pressure monitoring module located at the tail of the mounting base 2, connected to a pressure monitoring element 8 located at the head of the sheath 1. This pressure monitoring module is used to identify infected and lesion areas on the inner wall of the patient's urethra, and can also monitor the pressure within the urethra to prevent... To prevent discomfort caused by excessive irrigation fluid in the patient's urethra, a visual operation needle delivery module is installed at the tail of the mounting base 2. Its head is connected to an image transmission tube 6 and a drug delivery channel 5 extending to the head of the endoscope sheath 1. This module is used to treat infected and diseased areas identified by the pressure monitoring module. The visual operation needle delivery module is integrated with the pressure monitoring module and installed inside the endoscope sheath 1. When monitoring the urethral wall, infected and diseased areas are identified as high-pressure or active areas by the pressure monitoring device, allowing for precise drug injection into these areas to achieve accurate treatment.

[0027] The pressure monitoring module includes a positioning sleeve 3, which is fitted onto the tail of the mounting base 2. Multiple indicator lights 31 are arranged in a ring array on the outer periphery of the positioning sleeve 3. These indicator lights 31 correspond to the position scale 44 of the visual operation needle dispensing module. The position scale 44 is aligned with the orientation of the drug delivery channel 5 and the head of the image transmission tube 6, allowing for adjustment of the drug injection position based on the position of the position scale 44. A transmission line 32 connects the pressure monitoring component 8 and the positioning sleeve 3. The pressure monitoring component 8 is fitted into the mounting groove 13 at the head of the endoscope sheath 1. The pressure monitoring component 8 monitors the patient's urethra, and the monitoring information is transmitted to the positioning sleeve 3 via the transmission line 32, causing the corresponding indicator light 31 on the sleeve to illuminate and provide feedback.

[0028] The pressure monitoring device 8 consists of multiple ring array pressure sensor patches 81, which use STMicroelectronics Mems pressure sensor chips. The specific dimensions are 2.5 x 2.5 x 0.8 mm. The operating temperature range is between 30° and 105°. The output voltage range is 5.7V to 6.7V. The working pressure range is 26 kPa to 126 kPa. The patches are installed on the outer surface of the pressure monitoring device 8. There are no fewer than 6 patches in total to facilitate comprehensive monitoring of the urethral wall. The multiple pressure sensor patches 81 correspond one-to-one with multiple indicator lights 31 to determine the location of the infected and lesion areas on the urethral wall of the patient.

[0029] In the above embodiment, the pressure sensor patches 81 on the pressure monitoring component 8 fitted on the mounting slot 13 monitor the inner wall of the patient's urethra, and transmit the information of the infected and lesion areas monitored to the positioning sleeve 3 through the transmission line 32, causing the corresponding indicator light 31 on it to light up. Then, the visual operation needle dispensing module can be rotated, and the position ruler 44 can be aligned with the lit indicator light 31 to accurately treat the infected and lesion areas.

[0030] The visualization operation needle delivery module includes a connecting sleeve 4, the lower end of which is fitted inside the mounting base 2. An injection component is connected to the left side of the connecting sleeve 4, which is connected to the drug delivery channel 5 for injecting drugs into the patient. An image signal transmission pipe 62 is connected to the right side of the connecting sleeve 4 for connecting to an external image display screen. The image signal transmission pipe 62 is connected to the image transmission pipe 6, which facilitates clear observation of infected and lesion areas by medical personnel. The needle delivery component is located at the upper end of the connecting sleeve 4 and is connected to the injection component. The needle delivery component corresponds to multiple needle outlets 12 in a ring array at the tip of the endcap sheath 1, which facilitates the injection of therapeutic drugs.

[0031] The injection assembly consists of a drug cartridge 42 and an injection plunger 43. The output end of the drug cartridge 42 is connected to the drug delivery channel 5. The drug in the drug cartridge 42 is pushed into the drug delivery channel 5 by the injection plunger 43 to facilitate injection treatment of the patient's infected and lesion areas. The head of the image transmission tube 6 is equipped with a miniature camera 61, which corresponds to the needle outlet 12 and is used to capture images of the infected and lesion areas so that medical personnel can observe the treatment process in real time.

[0032] The needle delivery assembly includes a pneumatic cylinder 41 connected to the upper end of the connecting sleeve 4. A needle delivery push rod 46 is slidably connected inside the pneumatic cylinder 41, and a protective cover 45 is provided on the top of the pneumatic cylinder 41 covering the needle delivery push rod 46. The protective cover 45 is connected to the upper end of the pneumatic cylinder 41 by a threaded connection or snap-fit ​​to prevent the needle delivery push rod 46 from being accidentally touched during the insertion of the endoscope sheath 1 into the patient's urethra, which would cause the injection needle 52 to protrude and damage the inner wall of the patient's urethra, thus improving its safety. The output end of the pneumatic cylinder 41 is connected to a trachea 47, which is located in the drug delivery channel 5. The trachea 47 is provided with a bend 51 at its head. The injection needle 52 is telescopically disposed in the bend 51 for the injection needle 52 to pierce through the needle outlet 12. The bending angle of the bend 51 is designed to be 30° so that the injection needle 52 can smoothly pierce through the needle outlet 12 and penetrate the infected and diseased area to complete the injection of the drug delivered through the drug delivery channel 5.

[0033] A piston chamber 512 is provided inside the bent part 51, and a piston 521 is provided at the tail of the injection needle 52. The piston 521 is slidably connected in the piston chamber 512. The outer diameter of the piston 521 is the same as the inner diameter of the piston chamber 512. The head of the piston chamber 512 has a ring array of multiple docking holes 511, and the tail of the injection needle 52 has a ring array of multiple injection holes 522. The injection holes 522 correspond to the docking holes 511.

[0034] In the above embodiments, different injection needles 52 can be selected according to the severity of the patient's condition. The injection needles 52 are divided into single-needle and three-needle types, which can achieve effects such as shorter injection time and wider range of action, increase treatment effect, reduce treatment frequency, reduce patient treatment pain, and improve patient treatment compliance. The sliding of the needle push rod 46 in the air cylinder 41 can change the air pressure in the piston chamber 512 through the air tube 47, so as to drive the piston 521 to slide in the piston chamber 512, thereby driving the injection needle 52 to slide out or slide in the piston chamber 512, realizing the telescopic function of the injection needle 52, so that the injection needle 52 can be inserted into the patient's treatment position. The docking hole 511 at the head end of the piston chamber 512 and the injection hole 522 at the tail end of the injection needle 52 correspond to each other, so that during the drug injection process, the drug in the drug delivery channel 5 enters the piston chamber 512 through the docking hole 511, and then is injected into the infected and lesion area of ​​the patient through the injection hole 522, completing the drug injection at the target position.

[0035] Example 2 like Figure 1-4 and Figure 10-13 As shown, the mounting base 2 is also equipped with an inlet / outlet control module for controlling the dosage of the infusion fluid. The end of the endpiece sheath 1 is also perforated with evenly distributed outlet holes 11 for injecting an appropriate amount of infusion fluid into the patient's urethra to allow it to fully expand. The inlet / outlet control module includes an inlet pipe 21 located on the left side of the mounting base 2 and an outlet pipe 22 located on the right side of the mounting base 2. Control valves 23 are respectively installed on the inlet pipe 21 and the outlet pipe 22.

[0036] The sheath 1 is equipped with a flexible protective head 7 located at the front end of the fluid outlet 11 to reduce discomfort during the insertion of the sheath 1 into the patient's urethra.

[0037] In the above embodiment, the inlet tube 21 can be connected to the irrigation fluid device through a pipeline. The irrigation fluid is injected into the patient's urethra through the outlet hole 11 at the head of the sheath 1 via the inlet tube 21. This facilitates the opening of the patient's urethra, which is beneficial for monitoring the infection and lesion areas of the urethral wall and increases the monitoring space within the urethra. It is also convenient for medical personnel to operate alone. An aspiration device is connected to the outlet tube 22 to facilitate the discharge of the irrigation fluid. At the same time, control valves 23 are also provided on the inlet tube 21 and the outlet tube 22 to accurately control the dosage of the irrigation fluid and avoid causing discomfort to the patient's urethra.

[0038] Specific implementation examples: When using this multi-functional urological cystoscope, the following steps are included: 1. Insert the mirror sheath The flexible protective head 7 of the sheath 1 is used to slowly insert the sheath 1 into the patient's urethra. The pressure monitoring module is activated, and the inflow and outflow fluid control module is used to infuse the patient's urethra with infusion fluid, so that the patient's urethra is fully expanded to facilitate observation and treatment by medical staff.

[0039] 2. Targeted positioning During the insertion of the endoscope sheath 1 into the patient's urethra, the pressure sensor patch on its head will monitor the inner wall of the patient's urethra in real time, identify the areas of infection and lesions on the inner wall of the patient's urethra, and transmit the monitoring information to the positioning sleeve 3 via the transmission line 32, so that the indicator light 31 at the corresponding position on the positioning sleeve 3 lights up to locate the position of targeted treatment.

[0040] 3. Angle adjustment According to the indicator light 31 lit on the positioning sleeve 3, rotate the connecting sleeve 4 so that the position scale 44 on it corresponds to the lit indicator light 31. Then, the angle of the bent part 51 of the drug delivery channel 5 head is adjusted to face the infected and lesion area as it is rotated, so that the injection needle 52 is aligned with the targeted treatment position, so as to accurately inject drugs in the future.

[0041] 4. Needle protrusion Remove the protective cover 45 to expose the needle ejector rod 46, which can then be pushed into the pneumatic cylinder 41. This allows the gas in the pneumatic cylinder 41 to enter the piston chamber 512 through the air tube 47. The piston 521 then pushes the injection needle 52 out from the bend 51 and finally through the needle outlet 12 to pierce the patient's urethral infection and lesion area. At the same time, the miniature camera 61 captures the image information in real time and transmits it to the image display screen connected to the image signal transmission pipe 62 via the image transmission pipe 6, so that medical personnel can observe it.

[0042] 5. Drug injection By pushing the injection plunger 43, the therapeutic drug in the drug cartridge 42 is pushed into the drug delivery channel 5. The drug delivery channel 5 enters the piston chamber 512 through the docking hole 511 in the lower end bend 51, and then enters the injection needle 52 through the injection hole 522 at the tail of the injection needle 52. Finally, the drug is injected into the targeted treatment site through the injection needle 52, so as to achieve rapid and effective treatment of urethral wall infection and lesion area.

[0043] The above specific embodiments further illustrate the purpose, technical solution, and beneficial effects of the present invention. It should be understood that the above are merely specific embodiments of the present invention and are not intended to limit the scope of protection of the present invention. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the scope of protection of the present invention.

Claims

1. A multifunctional urological cystoscope, comprising a sheath (1) and a mounting base (2) disposed at the tail of the sheath (1), characterized in that, Also includes: A pressure monitoring module is provided at the tail of the mounting base (2). The pressure monitoring module is connected to a pressure monitoring device (8) located at the head of the sheath (1) for identifying the infected area and lesion area of ​​the patient's urethral wall. The visualization operation needle delivery module is located at the tail of the mounting base (2), and its head is connected to an image transmission tube (6) extending to the head of the sheath (1) and a drug delivery channel (5) for treating the infected area and lesion area identified by the pressure monitoring module.

2. The multifunctional urological cystoscope according to claim 1, characterized in that, The pressure monitoring module includes: The positioning sleeve (3) is fitted onto the tail of the mounting base (2). Multiple indicator lights (31) are arranged in a ring on the outer peripheral wall of the positioning sleeve (3). The indicator lights (31) are used to correspond to the position scale (44) of the visual operation needle module. A transmission line (32) is connected between the pressure monitoring element (8) and the positioning sleeve (3), wherein the pressure monitoring element (8) is fitted into the mounting groove (13) at the head of the sheath (1).

3. A multifunctional urological cystoscope according to claim 2, characterized in that, The pressure monitoring device (8) is composed of multiple ring array pressure sensor patches (81), and the multiple pressure sensor patches (81) correspond one to one with the multiple indicator lights (31) to determine the location of the infected area and the lesion area of ​​the patient's urethral wall.

4. A multifunctional urological cystoscope according to claim 1, characterized in that, The visual operation needle dispensing module includes: A connecting sleeve (4) is fitted inside the mounting base (2) at its lower end. An injection assembly is connected to the left side of the connecting sleeve (4) for injecting drugs into the patient. The right side of the connecting sleeve (4) is connected to an image signal transmission pipe (62) for connecting to an external image display screen. The image signal transmission pipe (62) is connected to the image transmission pipe (6). The needle delivery assembly is located at the upper end of the connecting sleeve (4) and is connected to the injection assembly. The needle delivery assembly corresponds to the plurality of needle outlets (12) in the annular array at the head end of the sheath (1).

5. A multifunctional urological cystoscope according to claim 4, characterized in that, The injection assembly consists of a drug cartridge (42) and an injection plunger (43), and the output end of the drug cartridge (42) is connected to the drug delivery channel (5); The image transmission tube (6) is equipped with a miniature camera (61) at its head. The miniature camera (61) corresponds to the needle outlet (12) and is used to capture images of the infected area and the lesion area.

6. A multifunctional urological cystoscope according to claim 4, characterized in that, The needle delivery assembly includes: A pneumatic cylinder (41) is connected to the upper end of the connecting sleeve (4). A needle push rod (46) is slidably connected inside the pneumatic cylinder (41). An air tube (47) is connected to the output end of the pneumatic cylinder (41). The air tube (47) is located inside the drug delivery channel (5) and its head is provided with a bend (51). The injection needle (52) is telescopically disposed within the bent portion (51) for the injection needle (52) to be inserted through the needle outlet (12).

7. A multifunctional urological cystoscope according to claim 6, characterized in that, A piston chamber (512) is provided inside the bent portion (51), and a piston (521) is provided at the tail of the injection needle (52). The piston (521) is slidably connected inside the piston chamber (512). The piston chamber (512) has a ring array of multiple docking holes (511) at its head, and the injection needle (52) has a ring array of multiple injection holes (522) at its tail. The injection holes (522) correspond to the docking holes (511).

8. A multifunctional urological cystoscope according to claim 1, characterized in that, The mounting base (2) is also equipped with an inlet / outlet control module for controlling the dosage of the irrigation fluid. The end of the sheath (1) is also provided with uniformly distributed outlet holes (11) for injecting an appropriate amount of irrigation fluid into the patient's urethra so that it can be fully expanded.

9. A multifunctional urological cystoscope according to claim 8, characterized in that, The liquid inlet / outlet control module includes an inlet pipe (21) located on the left side of the mounting base (2) and an outlet pipe (22) located on the right side of the mounting base (2). Control valves (23) are respectively provided on the inlet pipe (21) and the outlet pipe (22).

10. A multifunctional urological cystoscope according to claim 8, characterized in that, The sheath (1) is provided with a flexible protective head (7) located at the front end of the liquid outlet (11) to reduce discomfort during the insertion of the sheath (1) into the patient's urethra.

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