CN214970964U - Be used for upper urinary tract epithelial cancer to pour into treatment device - Google Patents

Abstract

The utility model discloses a perfusion treatment device for upper urinary tract epithelial cancer, which comprises a catheter, an air bag and an air duct; the catheter is used for injecting a perfusion drug into the ureter; the balloon is nested on the outer periphery of the catheter, and the outer periphery of one section of the catheter is wrapped by the balloon cavity of the balloon; the air duct is communicated with the air bag and used for inflating and exhausting the air bag. The beneficial effects are as follows: the perfusion treatment of the upper urinary tract epithelial cancer (including renal pelvis cancer and ureteral cancer) is realized, and the treatment effect and efficiency are improved; the catheter with the inner cavity and the spacing cavity is integrated with liquid injection and drainage, has a smaller sectional area, and is more favorable for putting and removing the device.

Description

Be used for upper urinary tract epithelial cancer to pour into treatment device

Technical Field

The utility model relates to the technical field of medical equipment, concretely relates to be used for upper urinary tract epithelial cancer to fill treatment device.

Background

Urothelial cancer is a common tumor of the urinary system and can be divided into: renal pelvis cancer, ureteral cancer and bladder cancer, the bladder cancer perfusion treatment is a standard treatment after the operation aiming at non-muscle invasive bladder cancer at present, the postoperative recurrence rate of the bladder cancer can be effectively reduced, and meanwhile, patients with low-risk bladder cancer who cannot tolerate the operation can also benefit from the bladder perfusion treatment. More and more operators concentrate on the focal treatment of the upper urothelial cancer, and effective perfusion treatment after the focal treatment can also reduce the tumor recurrence, but no effective perfusion mode exists for the upper urothelial cancer (including renal pelvis cancer and ureteral cancer), which is one of important factors for limiting the focal treatment operation of the upper urothelial cancer. At present, no relevant device can be used for perfusion treatment of the upper urinary tract epithelial cancer, and the perfusion treatment after the upper urinary tract epithelial cancer is severely limited.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem to upper urinary tract epithelial cancer, especially ureter upper segment reaches above region, and aim at provides one kind and is used for upper urinary tract epithelial cancer to fill treatment device, realizes improving treatment effect and efficiency to upper urinary tract epithelial cancer's the treatment of filling, and then reduces the patient and ache, prolongs patient's life, has great society and economic benefits.

The utility model discloses a following technical scheme realizes:

a perfusion therapy device for upper urothelial cancer comprises a catheter, a balloon and an airway tube; the catheter is used for injecting a perfusion drug into the ureter; the balloon is nested on the outer periphery of the catheter, and the outer periphery of one section of the catheter is wrapped by the balloon cavity of the balloon; the air duct is communicated with the air bag and used for inflating and exhausting the air bag.

Through the design of the device, the air bag is nested outside the catheter, so that a certain section of the outside of the catheter has a protrusion, when the medicine is filled into the ureter, the medicine flows downwards along the outside of the catheter and is blocked by the protruded air bag, so that the filled medicine can stay in the urinary system, the focus is treated, and the treatment effect is improved to a greater extent.

Further, the tube head of the catheter is a closed blind end; the catheter is provided with an inner cavity, and the bottom end of the inner cavity is provided with an inner cavity opening communicated with the inner cavity; a spacing cavity is arranged between the inner cavity and the outer layer of the catheter, and a spacing cavity opening penetrating through the spacing cavity is formed in the circumferential side of the bottom end of the spacing cavity; the circumferential surface of the catheter is provided with a plurality of inner cavity holes communicated with the inner cavity and a plurality of spacing cavity holes communicated with the spacing cavities.

Through the structural design, the catheter has the functions of liquid injection and liquid drainage, for example, when in liquid injection, the inner cavity port is communicated with the liquid injection device, and the liquid injection device injects the medicine into the urinary system through the inner cavity and out of the inner cavity hole; when discharging liquid, the gap orifice is communicated with the liquid discharge device, and the medicine filled in the urinary system enters the gap cavity through the gap cavity hole under the action of pressure and is then discharged into the liquid discharge device from the gap orifice.

Further, any one of the plurality of inner cavities is located at the upper part of any one of the plurality of spaced cavities.

Through above structural design for go out liquid and flowing back distribute in upper and lower position, be used for annotating the inner chamber hole on upper portion and annotate the liquid, the interval accent of lower part is used for the flowing back, and it is greater than the flowing back speed usually to annotate the liquid speed, makes the filling medicine of urinary system filled the back like this, under the effect of pressure, fills the medicine and discharges through the interval accent of lower part, because set up the lower part into the interval accent that the flowing back was used, is favorable to filling the discharge of medicine more.

Further, the air sac is annular and is provided with an annular hole matched with the outer diameter of the catheter, and the annular hole is surrounded by a sac cavity of the air sac; the air bag is also provided with an air bag opening which is communicated with the air guide tube.

Through above structural design, with the pipe nestification in the annular ring of gasbag, can wrap up the outside one section whole circle of pipe, form the arch like this at the outside one section of pipe for gasbag and ureteral wall contact are more closely, and then have increased the leakproofness of this department, have blockked that liquid is downflow along the pipe.

Furthermore, a conduit groove along the axial direction of the conduit is arranged outside the conduit and is matched with the air duct; the air duct is embedded in the duct groove.

Through above structural design, bury the inside pipe groove of the outside pipe with the breather pipe for the holistic sectional area of pipe and air duct reduces, can be more smooth and easy put into the ureter.

Furthermore, the catheter, the air bag and the air duct are all made of hydrophilic materials.

The catheter, the air bag and the air duct are all made of hydrophilic materials, and the hydrophilic materials can be hydrophilic polyurethane, hydrophilic nylon and hydrophilic high polymer materials, so that the surface of the catheter becomes wet and smooth when encountering liquid such as water in the ureter, the catheter is more beneficial to being placed in and pulled out, and the discomfort of a human body is reduced.

Compared with the prior art, the utility model, following advantage and beneficial effect have: a perfusion treatment device for upper urinary tract epithelial cancer realizes the perfusion treatment of the upper urinary tract epithelial cancer and improves the treatment effect and efficiency; the catheter with the inner cavity and the spacing cavity is integrated with liquid injection and drainage, has a smaller sectional area, and is more favorable for putting and removing the device.

Drawings

The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention. In the drawings:

fig. 1 is the assembly structure diagram of the present invention.

Fig. 2 is an explosion diagram of the present invention.

Fig. 3 is a schematic structural diagram of the component 1 of the present invention.

Fig. 4 is a top view of the inventive component 1.

Fig. 5 is a sectional view taken along line a-a in fig. 4.

Fig. 6 is a sectional view taken along line B-B in fig. 5.

Fig. 7 is a cross-sectional view taken along line C-C of fig. 5.

Fig. 8 is a schematic structural view of the component 2 of the present invention.

Reference numbers and corresponding part names in the drawings:

1-catheter, 11-lumen, 111-lumen hole, 112-lumen port, 12-compartment, 121-compartment hole, 122-compartment port, 13-catheter groove; 2-air bag, 21-ring hole, 22-air bag mouth; 3-air duct.

Detailed Description

To make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the following examples and drawings, and the exemplary embodiments and descriptions thereof of the present invention are only used for explaining the present invention, and are not intended as limitations of the present invention.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. However, it will be apparent to one of ordinary skill in the art that: it is not necessary to employ these specific details to practice the present invention. In other instances, well-known structures, circuits, materials, or methods have not been described in detail so as not to obscure the present invention.

Throughout the specification, reference to "one embodiment," "an embodiment," "one example," or "an example" means: the particular features, structures, or characteristics described in connection with the embodiment or example are included in at least one embodiment of the invention. Thus, the appearances of the phrases "one embodiment," "an embodiment," "one example" or "an example" in various places throughout this specification are not necessarily all referring to the same embodiment or example. Furthermore, the particular features, structures, or characteristics may be combined in any suitable combination and/or sub-combination in one or more embodiments or examples. Further, those of ordinary skill in the art will appreciate that the illustrations provided herein are for illustrative purposes and are not necessarily drawn to scale. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

In the description of the present invention, the terms "front", "back", "left", "right", "up", "down", "vertical", "horizontal", "high", "low", "inner", "outer", etc. indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the scope of the present invention.

Examples

As shown in fig. 1-8, the utility model relates to a perfusion treatment device for upper urinary tract epithelial cancer, which comprises a catheter 1, an air bag 2 and an air duct 3; the catheter 1 is used for injecting a perfusion drug into the ureter; the balloon 2 is nested on the outer periphery of the catheter 1, and the outer periphery of one section of the catheter 1 is wrapped by the cavity of the balloon 2; the air duct 3 is communicated with the air bag 2 and is used for inflating and exhausting the air bag 2.

During the use, utilize outside priming device of pipe 1 intercommunication, pour into the medicine and pour into the urinary system into, because the medicine can be along the outside of pipe 1 downflow, this moment, gasbag 2 is just in time nested on one section of the outside of pipe 1, gasbag 2 is after the inflation of ventilating, closely with the laminating of ureter wall, played sealed effect, stop the medicine of downflow for the medicine can fill the urinary system on gasbag 2 upper portions, and then guaranteed the validity of infusion treatment to a great extent. After the perfusion is finished, the air in the air bag 2 is exhausted, the air bag 2 collapses, and the device can be taken out from the urinary system.

Preferably, the head of the catheter 1 is a closed blind end; the catheter 1 is provided with an inner cavity 11, and the bottom end of the inner cavity 1 is provided with an inner cavity port 112 communicated with the inner cavity 1; a spacing cavity 12 is arranged between the inner cavity 11 and the outer layer of the catheter 1, and a spacing cavity opening 122 penetrating through the spacing cavity 12 is arranged on the circumferential side of the bottom end of the spacing cavity 12; the circumferential surface of the catheter 1 is provided with a plurality of inner cavity holes 111 communicated with the inner cavity 1 and a plurality of spacing cavity holes 121 communicated with the spacing cavities 12. In a preferred embodiment, the catheter 1 is provided with an inner lumen 11 and a compartment 12 for infusion and drainage, respectively, so that the infusion and drainage are integrated into a tube having a smaller cross-sectional area, which facilitates the insertion and removal thereof into and from the ureter, and which reduces the discomfort of the patient to a greater extent.

Preferably, any one of the plurality of inner cavities 111 is located at an upper portion of any one of the plurality of partition cavities 121 with respect to the plurality of partition cavities 121. In a preferred embodiment, the inner cavity 11 is used for liquid injection, the upper inner cavity hole 111 is used as a liquid injection port, the partition cavity 12 is used for liquid drainage, and the partition cavity hole is used as a liquid drainage port; generally, the rate of injection is greater than the rate of drainage, so that the drainage port is arranged at the lower part of the injection port, so that the medicine filled in the ureter can be more smoothly discharged under the action of pressure, and if the drainage port is arranged at the upper part, the injection rate is higher originally, so that the medicine is discharged more slowly.

Preferably, the balloon 2 is annular and is provided with an annular hole 21 matched with the outer diameter of the catheter 1, and the annular hole 21 is surrounded by the cavity of the balloon 2; the air bag is also provided with an air bag opening 22, and the air bag opening 22 is communicated with the air guide tube 3. As a preferred embodiment, the balloon 2 is designed in the above structure to facilitate the mating with the catheter 1, and a protrusion is added to the outside of the catheter 1 to prevent the liquid from flowing down along the outside of the catheter 1.

Preferably, a conduit groove 13 running along the axial direction of the conduit 1 is further arranged outside the conduit 1, and the conduit groove 13 is matched with the gas-guide tube 3; the airway tube 3 is inserted into the duct channel 13. In a preferred embodiment, the airway tube 3 is inserted into the catheter 1 by providing a channel 13 on the exterior of the catheter, which reduces the overall cross-sectional area of the catheter 1 and airway tube 3, further facilitating insertion into the ureter.

Preferably, the catheter 1, the balloon 2 and the airway tube 3 are all made of hydrophilic materials. As a preferable embodiment, the artificial ureter is made of hydrophilic materials, so that the artificial ureter is convenient to lubricate, has a wet and smooth surface, and is more convenient to be placed into and pulled out of the ureter. The hydrophilic material can be hydrophilic nylon, hydrophilic polyurethane and other hydrophilic polymer materials.

The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above description is only the embodiments of the present invention, and is not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims (6)

1. A perfusion treatment device for the upper urothelial cancer is characterized by comprising a catheter (1), a balloon (2) and an airway tube (3); the catheter (1) is used for injecting a perfusion drug into the ureter; the balloon (2) is nested on the outer periphery of the catheter (1), and the outer periphery of one section of the catheter (1) is wrapped by the balloon cavity of the balloon (2); the air duct (3) is communicated with the air bag (2) and is used for inflating and exhausting the air bag (2).

2. The perfusion treatment device for the upper urothelial cancer according to claim 1, wherein the tip of the catheter (1) is a closed blind end; the catheter (1) is provided with an inner cavity (11), and the bottom end of the inner cavity (1) is provided with an inner cavity port (112) communicated with the inner cavity (1); a spacing cavity (12) is arranged between the inner cavity (11) and the outer layer of the catheter (1), and a spacing cavity opening (122) penetrating through the spacing cavity (12) is formed in the circumferential side of the bottom end of the spacing cavity (12); the circumferential surface of the catheter (1) is provided with a plurality of inner cavity holes (111) communicated with the inner cavity (1) and a plurality of spacing cavity holes (121) communicated with the spacing cavities (12).

3. The perfusion treatment device for the upper urothelial cancer according to claim 2, wherein any one of the plurality of internal orifices (111) is located at an upper portion of any one of the plurality of spaced orifices (121).

4. The perfusion treatment device for the upper urothelial cancer according to claim 2 or 3, wherein the balloon (2) is annular, an annular hole (21) matched with the outer diameter of the catheter (1) is provided, and the annular hole (21) is surrounded by the sac cavity of the balloon (2); the air bag is also provided with an air bag opening (22), and the air bag opening (22) is communicated with the air duct (3).

5. The perfusion treatment device for the upper urinary tract epithelial cancer according to claim 4, wherein the catheter (1) is further provided with a catheter groove (13) which runs along the axial direction of the catheter (1), and the catheter groove (13) is matched with the airway tube (3); the air duct (3) is embedded in the duct groove (13).

6. The perfusion treatment device for the upper urothelial cancer according to claim 5, wherein the catheter (1), the balloon (2) and the airway tube (3) are all made of hydrophilic materials.

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