Visual pain relieving and urethral catheterization device

Abstract

The invention discloses a visual pain-relieving urinary catheterization device which is characterized by comprising a urinary catheter and a visual importer, the catheter comprises a flexible tube body, an air bag and an air tube, the visual importer comprises a shell, a flexible guide pipe, a snake bone assembly, an imaging assembly, a water conveying pipe and an adjusting assembly. The flexible guide pipe is inserted into the flexible pipe body to the position corresponding to the hole. When the urethral catheter is inserted, the flexible guide tube of the visual importer is inserted into the flexible tube body, the urethral catheter and the visual importer are assembled together, and the urethral catheter and the visual importer can be inserted into the urethra together by pushing the shell. Water is injected into the urethra through the water conveying pipe according to an image collected by the imaging assembly. The water conveying pipe conveys water into the urethra, the urethra can be expanded so that images can be collected through the imaging assembly, and the insertion direction of the visual importer can be adjusted according to the extension direction of the urethra. The visual introducer can assist the catheter to be inserted into the set positions of the urethra and the bladder, and the catheter is more reliable.

Description

Technical Field

[0001] The present invention relates to the technical field of medical devices, and particularly relates to a visible pain-relieving urinary catheterization device. Background Art

[0002] If a male suffers from prostatitis or prostate hyperplasia, it is very easy to have urethral obstruction and cause difficulty in urination. Usually, a urinary catheter is placed in the urethra, and the urine in the bladder flows out through the urinary catheter. The urinary catheter is usually placed in the urethra by an insertion method, and an airbag is provided at the front end of the urinary catheter to be fixed in the bladder.

[0003] In the prior art, when the urinary catheter is inserted into the urethra, due to urethral obstruction, the urinary catheter cannot be inserted in place, resulting in the urinary catheter being easily detached or ineffective.

[0004] Therefore, the prior art still needs to be improved and developed. Summary of the Invention

[0005] The technical problem to be solved by the present invention is to provide a visible pain-relieving urinary catheterization device aiming at the above-mentioned defects of the prior art, so as to solve the problem that the urinary catheter cannot be inserted in place in the prior art, resulting in the urinary catheter being easily detached or ineffective.

[0006] The technical solution adopted by the present invention to solve the technical problem is as follows:

[0007] A visible pain-relieving urinary catheterization device, which includes: a urinary catheter and a visualization introducer;

[0008] The urinary catheter includes:

[0009] A flexible tube body, with an opening provided at the front end of the flexible tube body;

[0010] An airbag, provided on the flexible tube body;

[0011] An air tube, located inside the flexible tube body and communicating with the airbag;

[0012] The visualization introducer includes:

[0013] A housing;

[0014] A flexible guiding tube, connected to the housing;

[0015] A snake bone assembly, located at the front end inside the flexible guiding tube; an imaging hole and a water outlet hole are formed at the front end of the snake bone assembly;

[0016] An imaging assembly, provided at the front end of the snake bone assembly and corresponding to the position of the imaging hole;

[0017] A water delivery pipe, provided inside the flexible guiding tube and communicating with the water outlet hole;

[0018] An adjustment component, disposed in the housing and used to adjust the bending of the snake bone component;

[0019] Wherein, the flexible guide tube is inserted into the flexible tube body to a position corresponding to the opening.

[0020] The visual pain-relieving urinary catheterization device, wherein the snake bone component comprises:

[0021] A head portion, used for mounting the imaging assembly; a first rotating connection structure is formed at the rear end of the head portion;

[0022] A plurality of middle parts, wherein two ends of the middle part are respectively formed with a first rotating connection structure and a second rotating connection structure, and the first rotating connection structure and the second rotating connection structure are staggered along the circumference of the middle part;

[0023] A tail portion, wherein a second rotating connection structure is formed at the front end of the tail portion;

[0024] Among them, the first rotating connection structure of the head is connected to the second rotating connection structure of the adjacent middle part, the first rotating connection structure of the middle part is connected to the second rotating connection structure of another middle part, and the second rotating connection structure of the tail is connected to the first rotating connection structure of the adjacent middle part.

[0025] The visual pain-relieving urinary catheterization device, wherein the head and the inner side of each middle part are provided with four rope loops;

[0026] The adjustment component comprises:

[0027] A fixed ball, disposed on the housing;

[0028] A rotating sleeve, which is arranged outside the fixed ball;

[0029] There are four traction ropes, both ends of which are respectively connected to the rope rings on the head and the rotating sleeve, and the traction ropes pass through the corresponding rope rings.

[0030] The visual pain-relieving urinary catheterization device, wherein a joint is provided on the shell, the joint is connected to the water pipe, and the joint is provided with a first one-way valve.

[0031] The visual pain-relieving urinary catheter device, wherein the flexible tube body is provided with a liquid outlet, and the liquid outlet is located on a side of the airbag away from the front end of the flexible tube body; the urinary catheter further comprises:

[0032] The liquid pipe is located in the flexible pipe body and is communicated with the liquid outlet.

[0033] The visual pain-relieving urinary catheterization device, wherein the urinary catheter further comprises:

[0034] A liquid storage device, communicating with the liquid tube;

[0035] Wherein, the liquid storage device is used for storing the sustained-release liquid.

[0036] For the visual pain-relieving urinary catheter device, wherein, a second one-way valve is provided at the connection between the liquid storage device and the liquid tube.

[0037] For the visual pain-relieving urinary catheter device, wherein, the outer side of the front end of the flexible tube body forms a curved surface.

[0038] For the visual pain-relieving urinary catheter device, wherein, a limiting part is provided inside the front end of the flexible tube body, and the limiting part limits the front end of the flexible guiding tube.

[0039] For the visual pain-relieving urinary catheter device, wherein, the imaging assembly includes: an imager and an optical fiber;

[0040] The visual pain-relieving urinary catheter device further includes:

[0041] A battery and a circuit board, arranged inside the housing;

[0042] A display, arranged on the housing;

[0043] A light source, arranged on the housing and connected to the optical fiber;

[0044] Wherein, the imager, the light source, the battery and the display are all electrically connected to the circuit board.

[0045] Advantageous effects: When inserting the urinary catheter, first insert the flexible guiding tube of the visualization introducer into the flexible tube body, assemble the urinary catheter and the visualization introducer together, and insert the urinary catheter and the visualization introducer into the urethra together by pushing the housing. The image collected by the imaging assembly is used, and water is injected into the urethra through the water delivery pipe. The water delivery pipe delivers water into the urethra, which can expand the urethra so as to determine the extension direction of the urethra according to the image collected by the imaging assembly, and the visualization introducer can adjust the insertion direction according to the extension direction of the urethra. The visualization introducer can assist the urinary catheter to be inserted into the predetermined positions of the urethra and the bladder, making the urinary catheter more reliable. Description of the Drawings

[0046] Figure 1 It is a schematic structural diagram of the urinary catheter in the embodiment of the present invention.

[0047] Figure 2 It is the first cross-sectional view of the urinary catheter in the embodiment of the present invention.

[0048] Figure 3 It is the second cross-sectional view of the urinary catheter in the embodiment of the present invention.

[0049] Figure 4 It is an assembly diagram of a urinary catheter and a visualization introducer in an embodiment of the present invention.

[0050] Figure 5 It is a schematic structural diagram of a visualization introducer in an embodiment of the present invention.

[0051] Figure 6 It is a first cross-sectional view of a visualization introducer in an embodiment of the present invention.

[0052] Figure 7 It is a second cross-sectional view of a visualization introducer in an embodiment of the present invention.

[0053] Figure 8 It is a sectional view of a visualization introducer in an embodiment of the present invention.

[0054] Figure 9 It is a schematic structural diagram of the front end of a flexible guiding tube in an embodiment of the present invention.

[0055] Figure 10 It is a cross-sectional view when the urinary catheter and the visualization introducer are assembled in an embodiment of the present invention.

[0056] Figure 11 It is a schematic structural diagram of a snake bone assembly in an embodiment of the present invention.

[0057] Figure 12 It is a schematic structural diagram of the head in an embodiment of the present invention.

[0058] Figure 13 It is a first schematic structural diagram of the middle part in an embodiment of the present invention.

[0059] Figure 14 It is a second schematic structural diagram of the middle part in an embodiment of the present invention.

[0060] Explanation of reference numerals:

[0061] 10. Urinary catheter; 11. Flexible tube body; 111. Opening; 112. Liquid outlet; 113. Limiting part; 12. Airbag; 13. Air tube; 14. Liquid tube; 20. Visualization introducer; 21. Housing; 211. Connector; 22. Flexible guiding tube; 23. Snake bone assembly; 231. Head; 2311. Imaging hole; 2312. Water outlet hole; 232. Middle part; 233. Tail part; 234. First rotational connection structure; 235. Second rotational connection structure; 236. Rope loop; 24. Imaging assembly; 241. Imager; 242. Optical fiber; 243. Display; 244. Battery; 25. Water delivery pipe; 26. Adjusting assembly; 261. Fixed ball; 262. Rotating sleeve; 263. Traction rope; 264. Base. Detailed implementation manners

[0062] To make the objectives, technical solutions and advantages of the present invention more clear and definite, the following further describes the present invention in detail with reference to the accompanying drawings and by way of examples. It should be understood that the specific examples described herein are only for explaining the present invention and are not used to limit the present invention.

[0063] Please also refer to Figures 1-14 , some embodiments of a visual pain-relieving urinary catheter device are provided by the present invention.

[0064] As Figure 1 and Figure 5 shown, the visual pain-relieving urinary catheter device of the present invention includes: a urinary catheter 10 and a visualization introducer 20. Specifically, the urinary catheter 10 is a tubular member that needs to be inserted into the urethra and connected to the bladder and the outside world for conducting and discharging urine in the bladder. The visualization introducer 20 is a device for visually assisting the insertion of the urinary catheter 10 into the urethra. After the visualization introducer 20 places the urinary catheter 10 in the urethra, it fixes the urinary catheter 10, and then removes the visualization introducer 20 to complete the placement of the urinary catheter 10, and the urinary catheter 10 starts to work to discharge the urine accumulated in the bladder that is difficult to discharge.

[0065] As Figure 1 and Figure 2 shown, the urinary catheter 10 includes:

[0066] A flexible tube body 11, with an opening 111 provided at the front end of the flexible tube body 11;

[0067] An airbag 12, disposed on the flexible tube body 11;

[0068] An air tube 13, located inside the flexible tube body 11 and communicating with the airbag 12.

[0069] Specifically, the flexible tube body 11 is flexible and can be bent. The airbag 12 can expand and be stuck in the bladder, thereby fixing the urinary catheter 10 in the bladder and the urethra. The air tube 13 is used to transmit gas, so that the airbag 12 expands or contracts. When gas is delivered from the air tube 13 to the airbag 12, the airbag 12 expands and can fix the urinary catheter 10; when gas is extracted from the airbag 12 through the air tube 13, the airbag 12 contracts and the urinary catheter 10 can be removed.

[0070] As Figure 5 , Figure 6 , Figure 7 , Figure 10 and Figure 11 shown, the visualization introducer 20 includes:

[0071] A housing 21;

[0072] A flexible guiding tube 22, connected to the housing 21;

[0073] The snake bone assembly 23 is located at the front end within the flexible guiding tube 22; an imaging hole 2311 and a water outlet hole 2312 are formed at the front end of the snake bone assembly 23;

[0074] The imaging assembly 24 is disposed at the front end of the snake bone assembly 23 and corresponds to the position of the imaging hole 2311;

[0075] The water delivery pipe 25 is disposed within the flexible guiding tube 22 and communicates with the water outlet hole 2312;

[0076] The adjusting assembly 26 is disposed within the housing 21 and is used to adjust the bending of the snake bone assembly 23;

[0077] Wherein, the flexible guiding tube 22 is inserted into the flexible tube body 11 to the corresponding position of the opening 111.

[0078] Specifically, the flexible guiding tube 22 is flexible and can be bent. The flexible guiding tube 22 is inserted into the flexible tube body 11, and under the bending of the snake bone assembly 23, it guides the flexible tube body 11. The front end of the flexible tube body 11 has an opening 111, which corresponds to the flexible guiding tube 22, and the water in the water delivery pipe 25 can flow into the urethra through the water outlet hole 2312 and the opening 111. The imaging assembly 24 can collect images of the inner wall of the urethra, and the adjusting assembly 26 can adjust the bending of the snake bone assembly 23.

[0079] Such as Figure 4 and Figure 10 As shown, when inserting the catheter 10, first insert the flexible guiding tube 22 of the visualization introducer 20 into the flexible tube body 11. The catheter 10 and the visualization introducer 20 are assembled together, and by pushing the housing 21, the catheter 10 and the visualization introducer 20 can be inserted into the urethra together. Images are collected by the imaging assembly 24, and water is injected into the urethra through the water delivery pipe 25. The water delivery pipe 25 delivers water into the urethra, which can dilate the urethra so as to determine the extension direction of the urethra based on the images collected by the imaging assembly 24, and the visualization introducer 20 can adjust the insertion direction according to the extension direction of the urethra. The visualization introducer 20 can assist the catheter 10 to be inserted into the predetermined positions of the urethra and the bladder, making the catheter 10 more reliable.

[0080] For example, when the catheter 10 and the visualization introducer 20 are inserted into the curved area of the urethra, the bending of the snake bone assembly 23 can be controlled by the adjustment assembly 26 according to the images collected by the imaging component 24, so that the front ends of the flexible guide tube 22 and the flexible tube body 11 are bent together, and they can pass through the curved area more smoothly. For another example, when the catheter 10 and the visualization introducer 20 are inserted into the blocked area of the urethra, more water can be injected through the water delivery tube 25 to expand the urethra. On the basis of adjusting the bending of the snake bone assembly 23, the catheter 10 is further inserted until the catheter 10 is inserted into the bladder and the uninflated balloon 12 is also located in the bladder. Then, gas is injected into the balloon 12 through the trachea 13, and the trachea 13 is sealed, so that the balloon 12 remains in an inflated state. The inflated balloon 12 cannot pass through the urethra, thereby fixing the catheter 10 in the bladder and the urethra. After that, the visualization introducer 20 can be pulled out, and the urine in the bladder can enter the flexible tube body 11 through the opening 111 and flow out of the body.

[0081] In a preferred implementation manner of the embodiment of the present invention, as Figures 11-14 shown, the snake bone assembly 23 includes:

[0082] A head 231 for mounting the imaging component 24; a first rotational connection structure 234 is formed at the rear end of the head 231;

[0083] A plurality of middle parts 232, first rotational connection structures 234 and second rotational connection structures 235 are respectively formed at both ends of the middle part 232, and the first rotational connection structure 234 and the second rotational connection structure 235 are arranged in a circumferentially offset manner along the middle part 232;

[0084] A tail 233, a second rotational connection structure 235 is formed at the front end of the tail 233;

[0085] Wherein, the first rotational connection structure 234 of the head 231 is connected to the second rotational connection structure 235 of the adjacent middle part 232, the first rotational connection structure 234 of the middle part 232 is connected to the second rotational connection structure 235 of another middle part 232, and the second rotational connection structure 235 of the tail 233 is connected to the first rotational connection structure 234 of the adjacent middle part 232. The imaging hole 2311 and the water outlet hole 2312 are both located in the head 231.

[0086] Specifically, the snake bone assembly 23 is divided into three parts, namely a head 231, a middle part 232, and a tail 233. There are multiple middle parts 232, and the multiple middle parts 232 are connected in sequence. The head 231 is connected to one of the outermost middle parts 232, and the tail 233 is connected to the other outermost middle part 232. The rotational connection is specifically achieved through a rotational connection structure, which is divided into a first rotational connection structure 234 and a second rotational connection structure 235. The first rotational connection structure 234 and the second rotational connection structure 235 cooperate with each other to achieve rotation.

[0087] The first rotational connection structure 234 is formed on the head 231, and the first rotational connection structure 234 and the second rotational connection structure 235 are formed on the middle part 232. The first rotational connection structure 234 of the head 231 is connected to the second rotational connection structure 235 of one of the outermost middle parts 232. The first rotational connection structure 234 of the other outermost middle part 232 is connected to the second rotational connection structure 235 of the tail 233.

[0088] There are two first rotational connection structures 234 on each middle part 232, symmetrically arranged at one end of the middle part 232; there are two second rotational connection structures 235 on each middle part 232, symmetrically arranged at the other end of the middle part 232. The first rotational connection structure 234 and the second rotational connection structure 235 on a single middle part 232 are staggered with each other along the circumferential direction of the middle part 232, so the rotational directions of the middle part 232 and the adjacent two middle parts 232 are different, and the entire snake bone assembly 23 can be bent in any direction in the horizontal plane.

[0089] The bending angle of the bending area of the urethra is about 80° - 100°. The rotational angle of the snake bone assembly 23 is an acute angle, which is sufficient to cope with the bending area of the urethra. The bending angle of the snake bone assembly 23 can be 30° - 60°. The bending angle of the snake bone assembly 23 is related to the number of middle parts 232, and is also related to the structure of the first rotational connection structure 234 and the structure of the second rotational connection structure 235.

[0090] In a preferred implementation manner of the embodiment of the present invention, as Figure 8 , Figures 12-13 shown, four rope loops 236 are provided on the inner sides of the head 231 and each middle part 232; as Figure 7 shown, the adjusting assembly 26 includes:

[0091] A fixed ball 261, provided on the housing 21;

[0092] A rotating sleeve 262, sleeved outside the fixed ball 261;

[0093] Four traction ropes 263, both ends of the traction rope 263 are respectively connected to the rope loop 236 of the head 231 and the rotating sleeve 262, and the traction rope 263 passes through the corresponding rope loop 236.

[0094] Specifically, four rope loops 236 are arranged on the inner side of the head 231, and four rope loops 236 are arranged on the inner side of each middle part 232. The position of the rope loop 236 corresponds to the position of the first rotational connection structure 234, or the position of the rope loop 236 corresponds to the position of the second rotational connection structure 235. All the rope loops 236 are arranged in four columns, and each column of rope loops 236 corresponds to a traction rope 263. The traction rope 263 passes through each rope loop 236 in a column of rope loops 236 in sequence. The four traction ropes 263 are connected to different positions of the rotating sleeve 262. When the rotating sleeve 262 rotates, it will drive at least two traction ropes 263 to move, thereby driving the snake bone assembly 23 to bend. The rotating sleeve 262 can tighten or loosen the traction rope 263, and the traction rope 263 will pull the head 231 and the corresponding middle part 232 to rotate, so that the snake bone assembly 23 bends in the direction where the tightened traction rope 263 is located. When the rotating sleeve 262 rotates, it can tighten one traction rope 263 or two traction ropes 263. When the rotating sleeve 262 rotates in different directions, the snake bone assembly 23 bends in different directions.

[0095] In order to prevent the traction rope 263 from interfering with other structures, a rope hook is arranged in the housing 21. The rope hook is for the traction rope 263 to pass through and limits the traction rope 263. The fixed ball 261 is arranged on the base 264, the base 264 is placed in the housing 21, and a rope groove is formed on the outer side of the base 264. A hole structure is formed between the rope groove and the inner wall of the housing 21 for the traction rope 263 to pass through and limit the traction rope 263.

[0096] In a preferred implementation manner of the embodiment of the present invention, as Figure 5 、 Figure 6 and Figure 9 shown, a joint 211 is arranged on the housing 21, and the joint 211 is communicated with the water delivery pipe 25.

[0097] Specifically, a joint 211 is arranged on the housing 21. The joint 211 is communicated with the water delivery pipe 25, and the joint 211 is communicated with an external water storage device. Water is injected into the urethra through the external water storage device via the water delivery pipe 25. The joint 211 can be provided with a first one-way valve. When the first one-way valve is opened, the water in the external water storage device can enter the water delivery pipe 25 and inject water into the urethra, and the water in the water delivery pipe 25 will not flow back. When the first one-way valve is closed, the water in the external water storage device cannot enter the water delivery pipe 25, and the injection of water into the urethra stops.

[0098] In a preferred implementation manner of the embodiment of the present invention, as Figures 1-2As shown, the flexible tube body 11 is provided with a liquid outlet 112, and the liquid outlet 112 is located on the side of the airbag 12 away from the front end of the flexible tube body 11; the urinary catheter 10 also includes:

[0099] The liquid pipe 14 is located in the flexible pipe body 11 and communicated with the liquid outlet 112 .

[0100] Specifically, the liquid can be transported to the liquid outlet 112 through the liquid pipe 14 .

[0101] In a preferred implementation of the embodiment of the present invention, Figures 1-2 As shown, the urinary catheter 10 further includes:

[0102] A liquid reservoir, connected to the liquid pipe 14;

[0103] Wherein, the liquid reservoir is used to store the sustained-release liquid.

[0104] Specifically, the sustained-release liquid is a pain-releasing liquid. The sustained-release liquid in the liquid reservoir can be a plastic bag. A second one-way valve is provided at the connection between the liquid reservoir and the liquid tube 14. Squeezing the liquid reservoir can squeeze the sustained-release liquid in the liquid reservoir into the liquid tube 14 and discharge it from the liquid outlet 112 to the urethra to relieve pain or discomfort in the urethra.

[0105] In a preferred implementation of the embodiment of the present invention, Figures 1-2 As shown, the front end of the flexible tube body 11 is formed into a curved surface.

[0106] Specifically, the outer side of the front end of the flexible tube body 11 is formed into a curved surface. When the flexible tube body 11 is inserted into the urethra, it will not exert a large pressure on the inner wall of the urethra and will not easily damage the urethra.

[0107] In a preferred implementation of the embodiment of the present invention, Figures 3-4 As shown, a limiting portion 113 is provided inside the front end of the flexible tube body 11 , and the limiting portion 113 limits the front end of the flexible guide tube 22 .

[0108] Specifically, a limiting portion 113 is provided inside the front end of the flexible tube body 11 to limit the front end of the flexible guide tube 22 so that the flexible guide tube 22 will not pass through the opening 111 , and when the front end of the flexible guide tube 22 bends, the flexible tube body 11 will also bend accordingly.

[0109] In a preferred implementation of the embodiment of the present invention, Figure 10 and Figure 12 As shown, the imaging component 24 includes: an imager 241 and an optical fiber 242;

[0110] The visual pain-relieving urinary catheterization device also includes:

[0111] A battery 244 and a circuit board, which are disposed inside the housing 21;

[0112] A display 243, which is disposed on the housing 21;

[0113] A light source, which is disposed on the housing 21 and is connected to the optical fiber 242;

[0114] Wherein, the imager 241, the light source, the battery 244 and the display 243 are all electrically connected to the circuit board.

[0115] Specifically, the imager 241 is used to image the inner wall of the urethra. The light source emits light, and the light propagates to the inside of the urethra to assist the imager 241 in imaging. The image of the imager 241 can be displayed on the display 243. The battery 244 is used to provide electrical energy.

[0116] It should be understood that the application of the present invention is not limited to the above examples. For those of ordinary skill in the art, improvements or transformations can be made according to the above description. All such improvements and transformations shall fall within the protection scope of the appended claims of the present invention.

Claims

1. A visual pain-relieving urinary catheterization device, characterized in that: include: urinary catheters and visualization introducers; The urinary catheter comprises: A flexible pipe body, wherein the front end of the flexible pipe body is provided with an opening; An air bag, arranged on the flexible tube body; An air tube, located in the flexible tube body and connected to the air bag; The visual importer includes: case; A flexible guide tube connected to the shell; A snake bone component is located at the front end of the flexible guide tube; an imaging hole and a water outlet hole are formed at the front end of the snake bone component; An imaging component, disposed at the front end of the snake bone component and corresponding to the position of the imaging hole; A water delivery pipe, disposed in the flexible guide pipe and connected to the water outlet; An adjustment component, disposed in the housing and used to adjust the bending of the snake bone component; Wherein, the flexible guide tube is inserted into the flexible tube body to a position corresponding to the opening.

2. The visual pain-relieving urinary catheterization device according to claim 1, characterized in that: The snake bone component comprises: A head portion, used for mounting the imaging assembly; a first rotating connection structure is formed at the rear end of the head portion; A plurality of middle parts, wherein two ends of the middle part are respectively formed with a first rotating connection structure and a second rotating connection structure, and the first rotating connection structure and the second rotating connection structure are staggered along the circumference of the middle part; A tail portion, wherein a second rotating connection structure is formed at the front end of the tail portion; Among them, the first rotating connection structure of the head is connected to the second rotating connection structure of the adjacent middle part, the first rotating connection structure of the middle part is connected to the second rotating connection structure of another middle part, and the second rotating connection structure of the tail is connected to the first rotating connection structure of the adjacent middle part.

3. The visual pain-relieving urinary catheterization device according to claim 2, characterized in that: The head and the inner side of each middle part are provided with four rope loops; The adjustment component comprises: A fixed ball, disposed on the housing; A rotating sleeve, which is arranged outside the fixed ball; There are four traction ropes, both ends of which are respectively connected to the rope rings on the head and the rotating sleeve, and the traction ropes pass through the corresponding rope rings.

4. The visual pain-relieving urinary catheterization device according to claim 1, characterized in that: The shell is provided with a joint, the joint is communicated with the water pipe, and the joint is provided with a first one-way valve.

5. The visual pain-relieving urinary catheterization device according to claim 1, characterized in that: The flexible tube body is provided with a liquid outlet, and the liquid outlet is located on the side of the airbag away from the front end of the flexible tube body; the urinary catheter also includes: The liquid pipe is located in the flexible pipe body and is communicated with the liquid outlet.

6. The visual pain-relieving urinary catheterization device according to claim 5, characterized in that: The urinary catheter further comprises: a liquid reservoir, connected to the liquid pipe; Wherein, the liquid reservoir is used to store the sustained-release liquid.

7. The visual pain-relieving urinary catheterization device according to claim 6, characterized in that: A second one-way valve is provided at the connection between the liquid reservoir and the liquid pipe.

8. The visual pain-relieving urinary catheterization device according to claim 1, characterized in that: The outer side of the front end of the flexible tube body is formed into a curved surface.

9. The visual pain-relieving urinary catheterization device according to claim 1, characterized in that: A limiting portion is arranged inside the front end of the flexible tube body, and the limiting portion limits the front end of the flexible guide tube.

10. The visual pain-relieving urinary catheterization device according to any one of claims 1 to 9, characterized in that: The imaging component comprises: an imager and an optical fiber; The visual pain-relieving urinary catheterization device also includes: A battery and a circuit board are arranged inside the housing; A display, disposed on the housing; A light source is disposed in the housing and connected to the optical fiber; Wherein, the imager, the light source, the battery and the display are all electrically connected to the circuit board.

Images