Pressure-adjustable pelvis fistulization tube for children

Abstract

The invention provides a pressure-adjustable pelvis fistulization tube for children, and relates to the technical field of pelvis fistulization tubes, the pressure-adjustable pelvis fistulization tube comprises a tube body, the outer side of the tube body is connected with a fixing ring, and the outer side of the tube body is connected with a connecting ring; the adjusting assembly is arranged on the pipe body and comprises a threaded groove, a rotating ring and a threaded block; the locking assembly is arranged on the pipe body and comprises a movable rod, a movable groove, a fixed groove and a fixed block; and the injection assembly is arranged on the connecting ring and comprises a side pipe, a circulation cavity, a butterfly valve, a pressing groove and a pressing rod. Passive precise pressure adjustment can be achieved through the adjusting assembly, negative effects caused by too high pressure are avoided, meanwhile, the design of mistaken touch prevention locking and visual pressure scales is formed in cooperation with the locking assembly, pressure changes caused by mistaken touch when a child moves are avoided, an injection assembly is externally connected with an injector, and therefore the safety of the child is improved. And non-invasive treatment is carried out on pipeline blockage, so that the repeated catheterization rate caused by blockage of a pediatric patient is reduced.

Description

Technical Field

[0001] The present invention relates to the technical field of pyelostomy tubes, specifically an adjustable-pressure pyelostomy tube for children. Background Art

[0002] A pyelostomy tube is a medical device used in urology, mainly for treating diseases such as hydronephrosis, kidney stones, and ureteropelvic junction stenosis. It directly punctures through the skin into the renal pelvis and a catheter is indwelled here to facilitate urine drainage or other treatment operations.

[0003] However, the drainage pressure of existing traditional pyelostomy tubes is fixed and cannot meet the individualized treatment needs. Especially for pediatric patients, the urinary system of children is not yet fully developed, the kidneys are small in volume and the tissues are fragile, being more sensitive to pressure changes. Using a conventional pyelostomy tube is prone to blockage, resulting in too high intra-pelvic pressure in the renal pelvis, which in turn affects the recovery of renal function. Moreover, for children with severe hydronephrosis, when using a general pyelostomy tube, too much accumulated water is drained at one time, leading to a situation similar to ischemic reperfusion injury in the kidneys. At the same time, due to the low urine flow rate and strong protein adsorption of pediatric patients, it is more likely to cause blockage of the tube. However, the existing pyelostomy tubes need to be frequently externally connected to a flushing device, increasing the risk of infection, and children have poor tolerance. Summary of the Invention

[0004] The purpose of the present invention is to solve the deficiencies in the background art and provide an adjustable-pressure pyelostomy tube for children. Through the setting of the adjustment component, passive precise pressure regulation can be achieved, adapting to the pressure fluctuations in the renal pelvis of children, avoiding the negative impacts caused by too high pressure. At the same time, with the setting of the locking component, a child-friendly design is formed, that is, anti-misoperation locking and visual pressure scale, avoiding pressure changes caused by children accidentally touching during activities. By externally connecting a syringe to the injection component, non-invasive treatment of tube blockage is carried out, reducing the repeated catheterization rate of pediatric patients caused by blockage.

[0005] To achieve the above object, the present invention provides the following technical solution. An adjustable-pressure pyelostomy tube for children includes:

[0006] A tube body, a fixing ring is connected to the outer side of the tube body, and a connecting ring is connected to the outer side of the tube body;

[0007] An adjustment component arranged on the tube body, the adjustment component includes: a threaded groove, a rotating ring, and a threaded block;

[0008] A locking component arranged on the tube body, the locking component includes: a moving rod, a moving groove, a fixing groove, and a fixing block; and

[0009] An injection component arranged on the connecting ring, the injection component includes: a side tube, a circulation cavity, a butterfly valve, a pressing groove, and a pressing rod.

[0010] Further, a filling tube is connected to the outer side of the tube body, a balloon is connected to the outer side of the tube body, and one end of the filling tube communicates with the balloon.

[0011] Further, a threaded groove is formed on the outer side of the tube body, and the depth of the threaded groove gradually becomes shallower towards the fixed ring. A rotating ring is sleeved on the outer side of the tube body, and a threaded block matching the threaded groove is connected to the inner wall of the rotating ring.

[0012] Further, an annular groove is formed on one side of the fixed ring. Two symmetrically arranged sliders are arranged in the annular groove. A moving rod is fixedly connected to one side of the slider. Two symmetrically arranged moving grooves are formed on one side of the fixed ring, and one end of the moving rod penetrates through the moving groove.

[0013] Further, a plurality of uniformly arranged clamping grooves are formed on the side of the moving rod close to the tube body. Two symmetrically arranged fixing grooves are formed on the outer side of the fixed ring, and the cross section of the fixing groove is in a loop structure. The fixing groove communicates with the moving groove.

[0014] Further, a fixing block in a loop structure is arranged in the fixing groove. The moving rod is located in the fixing block. A clamping block matching the clamping groove is connected to the inner wall of the fixing block. A jacking spring is connected between the fixing block and the fixing groove.

[0015] Further, a side tube is connected to the outer side of the connecting ring, and the side tube communicates with the tube body. A circulation cavity communicating with the side tube is formed inside the connecting ring. A pressing groove is formed on one side of the connecting ring, and a rotating rod is rotatably connected in the pressing groove.

[0016] Further, one end of the rotating rod extends into the circulation cavity and is connected with a butterfly valve. The other end of the rotating rod protrudes from the outer surface of the connecting ring and is connected with a knob.

[0017] Further, a plurality of limiting grooves are formed on the outer side of the rotating rod. A pressing rod in a U-shaped structure is arranged in the pressing groove. A limiting block is fixedly connected to one side of the pressing rod, and the limiting block corresponds to the limiting groove in position. A limiting spring is connected between the pressing rod and the pressing groove. Both ends of the pressing rod protrude from the outer surface of the connecting ring and are connected with pressing plates.

[0018] The present invention provides an adjustable pressure pyelostomy tube for children, which has the following beneficial effects:

[0019] The advantages of the present invention are as follows. Through the setting of the adjustment component, passive precise pressure regulation can be achieved, adapting to the pressure fluctuations in children's renal pelvis, avoiding the negative impacts caused by excessive pressure, gradually reducing the pressure in the renal pelvis, and avoiding kidney damage caused by excessive one-time blood pressure reduction. At the same time, with the setting of the locking component, a child-friendly design is formed, that is, anti-misoperation locking and visual pressure scale, avoiding pressure changes caused by children accidentally touching during activities. Then, by connecting a syringe to the injection component, non-invasive treatment of pipeline blockage is carried out, reducing the repeated catheterization rate of pediatric patients caused by blockage. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 is a schematic diagram of the overall structure of the present invention.

[0021] Figure 2 is a schematic diagram of the overall structure of the present invention from another angle.

[0022] Figure 3 is a cross-sectional view of the overall structure of the present invention.

[0023] Figure 4 is a half-sectional view of the overall structure of the present invention.

[0024] Figure 5 is a side cross-sectional view of the fixed groove structure of the present invention.

[0025] Figure 6 is a schematic diagram of the rotating ring structure of the present invention.

[0026] Figure 7 is a schematic diagram of the pressing rod structure of the present invention.

[0027] Figure 8 is a top cross-sectional view of the flow cavity structure of the present invention.

[0028] Figure 9 is of the present invention Figure 3 Enlarged view of part A.

[0029] Figure 10 is of the present invention Figure 3 Enlarged view of part B.

[0030] Figure 11 is of the present invention Figure 4 Enlarged view of part C.

[0031] Figures 1-11In Chinese: 1. Tube body; 101. Filling tube; 102. Balloon; 2. Threaded groove; 201. Rotating ring; 202. Threaded block; 203. Annular groove; 204. Slide block; 205. Moving rod; 206. Card slot; 3. Fixed ring; 301. Moving groove; 302. Fixed groove; 303. Fixed block; 304. Clamping block; 305. Ejecting spring; 4. Connecting ring; 401. Side tube; 402. Flow cavity; 403. Rotating rod; 404. Knob; 405. Butterfly valve; 406. Limit groove; 5. Pressing groove; 501. Pressing rod; 502. Limit block; 503. Limit spring; 504. Pressing plate. Detailed implementation mode

[0032] Next, the technical solutions in the embodiments of the present application will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without making creative efforts belong to the scope of protection of the present application.

[0033] The embodiment of the present application provides an adjustable pressure pyelostomy tube for children. The following will describe this adjustable pressure pyelostomy tube for children in detail. It should be noted that the description order of the following embodiments does not limit the preferred order of the embodiments.

[0034] The present application will be described in detail below in conjunction with the accompanying drawings and specific implementation modes.

[0035] Embodiment 1

[0036] Please refer to Figures 1-11 In, an adjustable pressure pyelostomy tube for children provided in this embodiment includes: a tube body 1, a fixed ring 3 is connected to the outside of the tube body 1, and a connecting ring 4 is connected to the outside of the tube body 1; an adjusting component arranged on the tube body 1, the adjusting component includes: a threaded groove 2, a rotating ring 201 and a threaded block 202; a locking component arranged on the tube body 1, the locking component includes: a moving rod 205, a moving groove 301, a fixed groove 302 and a fixed block 303; and an injection component arranged on the connecting ring 4, the injection component includes: a side tube 401, a flow cavity 402, a butterfly valve 405, a pressing groove 5 and a pressing rod 501.

[0037] Among them, a filling tube 101 is connected to the outside of the tube body 1, a balloon 102 is connected to the outside of the tube body 1, and one end of the filling tube 101 communicates with the balloon 102. After being placed in the tube body 1, normal saline can be injected into the balloon 102 through the filling tube 101, so that the balloon 102 expands. A stable channel is formed between the kidney and the body surface through physical dilation. This controllable dilation process can effectively reduce the risk of tissue tearing. Compared with the traditional scalpel incision method, the trauma is smaller and the bleeding volume is significantly reduced.

[0038] Among them, by adjusting the settings of the adjustment component, passive precise pressure regulation can be achieved, adapting to the pressure fluctuations in children's renal pelvis, avoiding the negative impacts caused by excessive pressure. At the same time, in cooperation with the settings of the locking component, a child-friendly design is formed, namely anti-misoperation locking and visual pressure scale, avoiding pressure changes caused by children accidentally touching during activities. Then, by connecting a syringe to the injection component externally, non-invasive treatment of pipeline blockage is carried out, reducing the repeated catheterization rate of pediatric patients caused by blockage.

[0039] Embodiment 2

[0040] On the basis of Embodiment 1, a threaded groove 2 is formed on the outer side of the pipe body 1, and the groove depth of the threaded groove 2 gradually becomes shallower towards the fixed ring 3. A rotating ring 201 is sleeved on the outer side of the pipe body 1. A threaded block 202 matched with the threaded groove 2 is connected to the inner wall of the rotating ring 201. An annular groove 203 is formed on one side of the fixed ring 3. Two symmetrically arranged sliders 204 are arranged in the annular groove 203. One side of the slider 204 is fixedly connected with a moving rod 205. Two symmetrically arranged moving grooves 301 are formed on one side of the fixed ring 3, and one end of the moving rod 205 penetrates through the moving groove 301.

[0041] When it is necessary to adjust the drainage pressure of the fistula tube, the rotating ring 201 can be directly rotated, so that the rotating ring 201 moves under the action of the screw thread engagement of the threaded groove 2 and the threaded block 202, making the rotating ring 201 move towards the fixed ring 3. Since the groove depth of the threaded groove 2 gradually becomes shallower towards the fixed ring 3 and the size of the threaded block 202 remains unchanged, when the rotating ring 201 moves, the threaded block 202 presses against the inner wall of the threaded groove, thereby deforming the pipe body 1 at the corresponding position of the rotating ring 201, causing the inner diameter of the pipe cavity to contract locally, the cross-sectional area of the pipe cavity to decrease, and the fluid resistance to increase, so as to adjust the pressure inside the pipe body 1 and realize continuous adjustment of the drainage pressure from 5 cmH2O to 30 cmH2O. According to Poiseuille's law, the pipeline flow is proportional to the fourth power of the radius, so that the change of the groove depth can significantly change the drainage pressure without completely blocking the pipe cavity.

[0042] Embodiment 3

[0043] On the basis of Embodiment 1 and Embodiment 2, a plurality of uniformly arranged clamping grooves 206 are formed on the side of the moving rod 205 close to the pipe body 1. Two symmetrically arranged fixing grooves 302 are formed on the outer side of the fixed ring 3, and the cross-section of the fixing groove 302 is in a circular structure. The fixing groove 302 is communicated with the moving groove 301. A fixing block 303 in a circular structure is arranged in the fixing groove 302. The moving rod 205 is located in the fixing block 303. A clamping block 304 matched with the clamping groove 206 is connected to the inner wall of the fixing block 303. A top spring 305 is connected between the fixing block 303 and the fixing groove 302.

[0044] During the movement of the rotating ring 201, the movement direction of the rotating ring 201 can be limited through the settings of the moving rod 205 and the moving groove 301. At the same time, through the setting of the annular groove 203, when the rotating ring 201 rotates, the slider 204 can slide in the annular groove 203;

[0045] Before adjusting the position of the rotating ring 201, first press the two fixing blocks 303, so that the fixing blocks 303 drive the clamping blocks 304 to separate from the clamping grooves 206 on the moving rod 205, releasing the limitation on the moving rod 205. Then, the rotating ring 201 can be rotated to adjust the pressure. After adjusting to the appropriate position, the fixing blocks 303 can be released. At this time, the fixing blocks 303 rebound under the action of the elastic force of the ejecting spring 305, so that the clamping blocks 304 are reinserted into the clamping grooves 206, completing the position fixing of the moving rod 205, and then locking the position of the rotating ring 201, ensuring the stability of the pressure parameters during children's activities and avoiding accidental rotation;

[0046] At the same time, the moving rod 205 is provided with pressure scales. The user can know the current pressure inside the tube body 1 according to the protruding part of the moving rod 205 passing through the fixing ring 3, realizing the visualization of the pressure scales.

[0047] Example Four

[0048] On the basis of Example One, the outer side of the connecting ring 4 is connected with a side tube 401, and the side tube 401 communicates with the tube body 1. A flow cavity 402 communicating with the side tube 401 is opened inside the connecting ring 4. A pressing groove 5 is opened on one side of the connecting ring 4, and a rotating rod 403 is rotatably connected in the pressing groove 5. The inner wall of the tube body 1 is provided with a nano-hydrophobic coating.

[0049] Among them, the surface energy of the nano-hydrophobic coating is extremely low (contact angle > 150°), making it impossible for protein molecules to firmly adhere, reducing the formation of biofilms on the tube wall and reducing the risk of infection. At the same time, the coating thickness is controlled between 200 - 500 nm to avoid affecting the flexibility of the catheter, about 1 μm for adult tubes;

[0050] Then, as the tube body 1 is used, blockages will inevitably occur inside the tube body 1, such as protein adsorption, rapid adsorption of Tamm-Horsfall protein, fibrinogen, etc. in urine on the tube wall to form a basic deposition layer; deposition of urinary salt crystals, formation of insoluble salts by the combination of antibiotics and calcium ions, or blood clot embolism, etc. It is necessary to deal with the blockage inside the tube body 1;

[0051] At this time, the side tube 401 can be externally connected to a 10 ml syringe, and the knob 404 is rotated so that the knob 404 drives the rotating rod 403 to open the butterfly valve 405. Then, the normal saline is injected by means of a pulse method with the syringe, injecting for 1 - 2 seconds and pausing for 0.5 seconds, using the fluid inertia to wash the tube wall. If obvious resistance is encountered, stop immediately to avoid forced flushing. Immediately withdraw after injection, which can reduce the residual saline. At the same time, use negative pressure to suck out the loosened blockage. During the flushing process, it should be noted that when flushing the tube body 1 of pediatric patients, each injection is less than or equal to 5 ml, and the total amount does not exceed 20 ml to avoid excessive dilation of the renal pelvis.

[0052] On the basis of Embodiment 4, further, one end of the rotating rod 403 extends into the flow cavity 402 and is connected to the butterfly valve 405. The other end of the rotating rod 403 protrudes from the outer surface of the connecting ring 4 and is connected to the knob 404. A plurality of limiting grooves 406 are provided on the outer side of the rotating rod 403. A pressing rod 501 with a U-shaped structure is provided in the pressing groove 5. One side of the pressing rod 501 is fixedly connected with a limiting block 502, and the limiting block 502 corresponds to the position of the limiting groove 406. A limiting spring 503 is connected between the pressing rod 501 and the pressing groove 5. Both ends of the pressing rod 501 protrude from the outer surface of the connecting ring 4 and are connected to the pressing plate 504.

[0053] When flushing and dredging the lumen inside the tube body 1, it is necessary to release the pressure adjustment of the tube body 1. Therefore, before flushing, the rotating ring 201 can be rotated back to its original position in the reverse direction. At this time, the rotating ring 201 contacts the pressing plate 504, and then continues to rotate in the reverse direction, so that the rotating ring 201 squeezes and drives the pressing plate 504 to move, so that the pressing plate 504 drives the pressing rod 501 to move into the pressing groove 5, so that the limiting block 502 on the pressing rod 501 is separated from the limiting groove 406, releasing the limitation on the rotating rod 403. At this time, the rotating rod 403 can be controlled to rotate by the knob 404, preventing the user from forgetting to release the pressure adjustment inside the tube body 1 and directly starting to inject saline for flushing, resulting in poor effect of flushing and dredging the tube body 1. After the flushing and dredging is completed, rotate the knob 404 in the reverse direction to close the butterfly valve 405, and then the position of the rotating ring 201 can be readjusted.

[0054] In the above embodiments, the descriptions of each embodiment have their own emphases. For the parts not detailed in a certain embodiment, reference can be made to the relevant descriptions of other embodiments.

[0055] The above has introduced in detail a pressure-adjustable pyelostomy tube for children provided by the embodiments of the present application. Specific examples are used in this article to elaborate on the principle and implementation manner of the present application. The description of the above embodiments is only used to help understand the technical solution and its core idea of the present application; those of ordinary skill in the art should understand that they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements on some of the technical features; and these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present application.

Claims

1. An adjustable pressure pyelostomy tube for children, characterized in that, Comprising: A tube body (1), a fixing ring (3) is connected to the outer side of the tube body (1), and a connecting ring (4) is connected to the outer side of the tube body (1); An adjusting assembly arranged on the tube body (1), the adjusting assembly includes: a thread groove (2), a rotating ring (201) and a thread block (202); A locking assembly arranged on the tube body (1), the locking assembly includes: a moving rod (205), a moving groove (301), a fixing groove (302) and a fixing block (303); and An injection assembly arranged on the connecting ring (4), the injection assembly includes: a side tube (401), a circulation cavity (402), a butterfly valve (405), a pressing groove (5) and a pressing rod (501).

2. The adjustable pressure pyelostomy tube for children according to claim 1, wherein A filling tube (101) is connected to the outer side of the tube body (1), a balloon (102) is connected to the outer side of the tube body (1), and one end of the filling tube (101) communicates with the balloon (102).

3. The adjustable pressure pyelostomy tube for children according to claim 1, characterized in that, A thread groove (2) is formed on the outer side of the tube body (1), and the depth of the thread groove (2) gradually becomes shallower in the direction of the fixing ring (3). A rotating ring (201) is sleeved on the outer side of the tube body (1), and a thread block (202) matching the thread groove (2) is connected to the inner wall of the rotating ring (201).

4. The adjustable pressure pyelostomy tube for children according to claim 2, characterized in that, An annular groove (203) is formed on one side of the fixing ring (3), two symmetrically arranged sliders (204) are arranged in the annular groove (203), a moving rod (205) is fixedly connected to one side of the slider (204), and two symmetrically arranged moving grooves (301) are formed on one side of the fixing ring (3), and one end of the moving rod (205) penetrates through the moving groove (301).

5. The adjustable pressure pyelostomy tube for children according to claim 4, characterized in that, A plurality of uniformly arranged clamping grooves (206) are formed on the side of the moving rod (205) close to the tube body (1), two symmetrically arranged fixing grooves (302) are formed on the outer side of the fixing ring (3), and the cross section of the fixing groove (302) is in a rectangular structure, and the fixing groove (302) communicates with the moving groove (301).

6. The adjustable pressure pyelostomy tube for children according to claim 5, characterized in that, A fixing block (303) in a rectangular structure is arranged in the fixing groove (302), the moving rod (205) is located in the fixing block (303), a clamping block (304) matching the clamping groove (206) is connected to the inner wall of the fixing block (303), and a top spring (305) is connected between the fixing block (303) and the fixing groove (302).

7. The adjustable pressure pyelostomy tube for children according to claim 1, characterized in that, A side tube (401) is connected to the outer side of the connecting ring (4), and the side tube (401) communicates with the tube body (1). A circulation cavity (402) communicating with the side tube (401) is formed inside the connecting ring (4). A pressing groove (5) is formed on one side of the connecting ring (4), and a rotating rod (403) is rotatably connected in the pressing groove (5).

8. The adjustable pressure pyelostomy tube for children according to claim 7, wherein, One end of the rotating rod (403) extends into the circulation cavity (402) and is connected with a butterfly valve (405), and the other end of the rotating rod (403) protrudes from the outer surface of the connecting ring (4) and is connected with a knob (404).

9. The adjustable pressure pyelostomy tube for children according to claim 7, wherein A plurality of limiting grooves (406) are formed on the outer side of the rotating rod (403). A pressing rod (501) with a U-shaped structure is arranged in the pressing groove (5). One side of the pressing rod (501) is fixedly connected with a limiting block (502), and the limiting block (502) corresponds to the position of the limiting groove (406). A limiting spring (503) is connected between the pressing rod (501) and the pressing groove (5). Both ends of the pressing rod (501) protrude from the outer surface of the connecting ring (4) and are connected with pressing plates (504).

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