CN212593449U

CN212593449U - Ultra-smooth four-cavity double-bag natural latex prostate drug injection catheter

Info

Publication number: CN212593449U
Application number: CN202020400523.6U
Authority: CN
Inventors: 李志锋
Original assignee: Agricultural Products Processing Research Institute of CATAS
Current assignee: Agricultural Products Processing Research Institute of CATAS
Priority date: 2020-03-26
Filing date: 2020-03-26
Publication date: 2021-02-26
Anticipated expiration: 2030-03-26

Abstract

The utility model discloses an ultra-smooth four-cavity double-bag natural latex prostate drug injection catheter, which comprises a catheter body and a perfusion and drainage mechanism, wherein the surface of the catheter body is provided with a chlorinated rubber layer, a silicon rubber coating and a smooth coating, and four cavities which are not communicated with each other are arranged inside the catheter body; the outer side of the tube body is wrapped with two balloons, the tube body is provided with a drug injection hole and a discharge hole, and the balloons are positioned between the discharge hole and the irrigation and drainage mechanism; the four cavities are respectively communicated with the two balloons, the medicine injection hole and the excretion hole; the filling and discharging mechanism comprises a medicine injection funnel, a discharge funnel and two liquid filling funnels, the four cavities are respectively communicated with the medicine injection funnel, the discharge funnel and the two liquid filling funnels, and one-way valves are respectively arranged on the medicine injection funnel and the liquid filling funnels; one end of the pipe body close to the drainage hole is a closed end. The silicon rubber coating and the smooth coating arranged on the surface of the pipe body can provide biocompatibility guarantee and improve the smoothness of the surface of the pipe body; through the drainage hole, the drainage cavity and the drainage funnel, the patient can urinate during the retention period of the tube body.

Description

Ultra-smooth four-cavity double-bag natural latex prostate drug injection catheter

Technical Field

The utility model relates to the technical field of medical equipment, in particular to an ultra-smooth four-cavity double-bag natural latex prostate drug injection catheter.

Background

One of the treatment and indwelling catheterization means for male prostatitis patients is that medical staff inserts a sterilized prostate perfusion tube through the urethra of a patient, and then respectively injects sterile water with rated capacity into two balloons on the tube body through a liquid-filling funnel to ensure that a small section of urethra where the prostate of the patient is positioned forms a closed cavity, then liquid medicine is perfused into a medicine-injecting cavity through a medicine-injecting funnel, and the liquid medicine naturally seeps into the inflamed prostate tissue through a medicine-injecting hole under pressure to achieve the aim of diminishing the prostate of the patient. However, the male urethra is long, and has two bends and three narrow anatomical structures, which increases the difficulty for the intubation operation of the prostate perfusion tube, and during the indwelling period of the prostate perfusion tube, in order to ensure the liquid medicine permeation effect, a certain indwelling time must be ensured, during which the patient cannot urinate normally, but if the patient has urination reaction due to too long time, or the patient urinates frequently or other functional disorders cause urine exudation, the prostate perfusion tube needs to be pulled out, and after the patient urinates, the intubation is performed again, and the intubation operation easily causes damage to the mucosa of the urethra of the patient.

The prostate perfusion tube processed by using natural latex as a raw material has the advantages of soft texture, good elongation, small surface treatment difficulty, high surface smoothness and the like, but has the defect of poor biocompatibility with a human body, and the patient has obvious discomfort when the intubation tube is left.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems existing in the prior art, the utility model aims to provide a super-smooth four-cavity double-bag natural latex prostate drug injection catheter which has good biocompatibility with human body and is easy to insert a tube, so that a patient can urinate during the retention period of the prostate drug injection catheter.

In order to achieve the above object, the utility model provides a following scheme: the utility model provides an ultra-smooth four-cavity double-bag natural latex prostate injection catheter, which comprises a pipe body and an injection and drainage mechanism connected with one end of the pipe body, wherein the surface of the pipe body is sequentially provided with a chlorinated rubber layer, a silicon rubber coating and a smooth coating from inside to outside; four cavities which are not communicated with each other are formed in the tube body; two balloons are axially wrapped along the outer side of the tube body, a medicine injection hole is formed in the tube body between the two balloons, a drainage hole is formed in one end, away from the irrigation and drainage mechanism, of the tube body, and the two balloons are located between the drainage hole and the irrigation and drainage mechanism; the two balloons, the medicine injection hole and the drainage hole are respectively communicated with the four cavities; the four cavity channels are respectively communicated with the medicine injection funnel, the discharge funnel and the two liquid filling funnels; the medicine injection funnel and the liquid filling funnel are both provided with one-way valves; one end of the pipe body close to the drainage hole is a closed end.

Preferably, the four cavity channels are a medicine injection cavity, a drainage cavity and two liquid filling cavities.

Preferably, the two liquid filling cavities are a proximal sac liquid filling cavity and a distal sac liquid filling cavity respectively; the two balloons are respectively a near balloon and a far balloon, and the two liquid filling funnels are respectively a near balloon liquid filling funnel and a far balloon liquid filling funnel.

Preferably, the drug injection funnel is communicated with the drug injection hole through the drug injection cavity, the discharge funnel is communicated with the discharge hole through the discharge cavity, the proximal balloon is communicated with the proximal balloon liquid filling funnel through the proximal balloon liquid filling cavity, and the distal balloon is communicated with the distal balloon liquid filling funnel through the distal balloon liquid filling cavity.

Preferably, the number of the drain holes is two.

Preferably, the closed end is in a circular arc structure.

The utility model provides a pair of two natural latex prostate injection catheters in four chambeies of super-lubricity have following beneficial effect:

1. the silicone rubber coating provides biocompatibility guarantee for the prostate injection catheter in clinical indwelling, and can improve the comfort of patients after intubation;

2. the smooth coating is covered on the outer surface of the prostate drug-injection catheter, before the prostate drug-injection catheter is inserted into the urethra of a patient, medical staff soaks or smears the surface of the prostate drug-injection catheter with sterile distilled water or normal saline, the smoothness of the surface is obviously improved, the intubation operation is smooth, and the urethral mucosa of the patient is prevented from being damaged by the intubation operation to the maximum extent;

3. the prostate injection catheter is provided with the drainage hole, the drainage cavity and the drainage funnel, so that a patient can urinate during the indwelling period of the prostate injection catheter, and the urethral mucosa of the patient is prevented from being damaged by repeated intubation.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.

FIG. 1 is a schematic structural view of the prostate drug injection catheter of the present invention in use;

FIG. 2 is a schematic structural view of the prostate drug-injection catheter of the present invention when not in use;

FIG. 3 is a cross-sectional view of the tube;

wherein, 1 is near the sac liquid filling funnel; 2 a far bag liquid filling funnel; 3, a medicine injection funnel; 4 a drain funnel; 5, a one-way valve; 6 a drainage cavity; 7 proximal to the cyst fluid-filled cavity; 8 distal sac liquid-filled chamber; 9 a medicine injection cavity; 10 proximal to the balloon; 11 a distal balloon; 12 medicine injection holes; 13 a drain hole; 14, a pipe body; 15 a chlorinated rubber layer; 16 a silicone rubber coating; 17 smooth coating.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.

As shown in fig. 1-3, the utility model provides an ultra-smooth four-cavity double-bag natural latex prostate drug injection catheter, which comprises a tube body 14 and a filling and draining mechanism connected to one end of the tube body 14, wherein a chlorinated rubber layer 15, a silicon rubber coating 16 and a smooth coating 17 are sequentially arranged on the surface of the tube body 14 from inside to outside, and four cavities which are not communicated with each other are arranged inside the tube body 14; two balloons are axially wrapped along the outer side of the tube body 14, a medicine injection hole 12 is formed in the tube body 14 between the two balloons, a discharge hole 13 is formed in one end, away from the irrigation and drainage mechanism, of the tube body 14, the number of the discharge holes 13 is two, and the two balloons are located between the discharge hole 13 and the irrigation and drainage mechanism; the two saccules, the medicine injection hole 12 and the drainage hole 13 are respectively communicated with the four cavities; the filling and discharging mechanism comprises a medicine injection funnel 3, a discharge funnel 4 and two liquid filling funnels, and the four cavities are respectively communicated with the medicine injection funnel 3, the discharge funnel 4 and the two liquid filling funnels; the medicine injection funnel 3 and the liquid filling funnel are both provided with one-way valves 5; one end of the pipe body 14 close to the drain hole 13 is a closed end, and the closed end is of an arc-shaped structure.

In a further optimized scheme, the four cavity channels are a medicine injection cavity 9, a drainage cavity 6 and two liquid filling cavities; the two liquid filling cavities are a proximal sac liquid filling cavity 7 and a distal sac liquid filling cavity 8 respectively; the two balloons are respectively a near balloon 10 and a far balloon 11, and the two liquid-filling funnels are respectively a near balloon liquid-filling funnel 1 and a far balloon liquid-filling funnel 2; the medicine injection funnel 3 is communicated with the medicine injection hole 12 through the medicine injection cavity 9, the discharge funnel 4 is communicated with the discharge hole 13 through the discharge cavity 6, the near balloon 10 is communicated with the near balloon liquid filling funnel 1 through the near balloon liquid filling cavity 7, and the far balloon 11 is communicated with the far balloon liquid filling funnel 2 through the far balloon liquid filling cavity 8.

The utility model provides a body 14 is the natural rubber latex pipe, the chlorination rubber layer 15 of body 14 surface covering soaks body 14 in the solution that contains free chlorine 0.3% that is joined into by bleaching powder, industry hydrochloric acid and water, through the extremely thin chlorination rubber layer that chemical reaction formed on body 14 surface, the purpose makes body 14 surface change polarity into by the non-polarity, for the silicon rubber coating 16 that its surface waits to steep provides the grafting free radical, form the cross-linking between silicon rubber coating 16 and the body 14 surface, it is more firm to make silicon rubber coating 16 combine with body 14; the silicone rubber coating 16 is formed by immersing the pipe body 14 covered with the chlorinated rubber layer 15 in a 1.5% silicone rubber organic solvent solution, and drying and curing the solution. The silicon rubber coating 16 has good biocompatibility with a human body, and provides biocompatibility guarantee for the retention of the four-cavity double-sac natural latex prostate drug injection catheter in the urethra of a patient; the smooth coating 17 is a water-soluble transparent coating formed on the surface of the tube 14 by dipping the surface of the silicone rubber coating 16 of the tube 14 in a 0.75% polyacrylamide aqueous solution, drying and curing, and repeating the steps 3 times.

When in use, medical staff soaks or coats the surface of the tube body 14 with sterile distilled water or normal saline to ensure that the tube body 14 obtains excellent smooth effect, and the four-cavity double-sac natural latex prostate injection catheter is smoothly inserted into the urethra of a patient, so that the far saccule 11 reaches the bladder position of the patient, and the near saccule 10 is positioned in the urethra of the patient. The medical staff then uses the sterile syringe to respectively fill the far balloon 11 and the near balloon 10 with the sterile water with rated volumes through the far balloon filling funnel 2 and the near balloon filling funnel 1, and lightly exerts a traction force at the drainage funnel 4 outside the patient, so that the filled far balloon 11 is embedded in the bladder orifice of the patient, and the filled near balloon 10 is in the urethra of the patient. The liquid-filled far balloon 11 and the liquid-filled near balloon 10 enable a small section of urethra where the prostate of a patient is located to form a closed cavity, medical staff injects liquid medicine into the medicine injection cavity 9 through the medicine injection funnel 3, the liquid medicine seeps into the prostate tissue with inflammation through the medicine injection hole 12 between the far balloon 11 and the near balloon 10 under pressure, proper treatment time is kept, the purpose of diminishing inflammation of the prostate of the patient is achieved, due to the fact that retention time is long slightly, during retention, the patient may have a urination reaction, at the moment, urine of the patient can be discharged out of the body through the drainage cavity 6 and the drainage funnel 4 through the drainage hole 13. After treatment, medical staff respectively extracts the sterile water in the far sacculus 11 and the near sacculus 10 through the far sacculus liquid filling funnel 2 and the near sacculus liquid filling funnel 1 by using a syringe, the far sacculus 11 and the near sacculus 10 recover the state of being tightly attached to the tube body before intubation, and then the four-cavity double-sac natural latex prostate injection catheter can be smoothly pulled out from the urethra of the patient.

In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description of the present invention, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

The above-mentioned embodiments are only intended to describe the preferred embodiments of the present invention, but not to limit the scope of the present invention, and those skilled in the art should also be able to make various modifications and improvements to the technical solution of the present invention without departing from the spirit of the present invention, and all such modifications and improvements are intended to fall within the scope of the present invention as defined in the appended claims.

Claims

1. An ultra-smooth four-cavity double-bag natural latex prostate drug injection catheter is characterized by comprising a catheter body (14) and a filling and discharging mechanism connected to one end of the catheter body (14), wherein a chlorinated rubber layer (15), a silicon rubber coating (16) and a smooth coating (17) are sequentially arranged on the surface of the catheter body (14) from inside to outside; four cavities which are not communicated with each other are formed in the tube body (14); two balloons are axially wrapped along the outer side of the tube body (14), a medicine injection hole (12) is formed in the tube body (14) between the two balloons, a drainage hole (13) is formed in one end, far away from the irrigation and drainage mechanism, of the tube body (14), and the two balloons are located between the drainage hole (13) and the irrigation and drainage mechanism; the two saccules, the medicine injection hole (12) and the drainage hole (13) are respectively communicated with the four cavities; the filling and discharging mechanism comprises a medicine injection funnel (3), a discharge funnel (4) and two liquid filling funnels, and the four cavities are respectively communicated with the medicine injection funnel (3), the discharge funnel (4) and the two liquid filling funnels; the medicine injection funnel (3) and the liquid filling funnel are both provided with one-way valves (5); one end of the pipe body (14) close to the drain hole (13) is a closed end.

2. The ultra-slippery four-lumen double-balloon natural latex prostate drug-injection catheter according to claim 1, characterized in that: the four cavity channels are a medicine injection cavity (9), a drainage cavity (6) and two liquid filling cavities.

3. The ultra-slippery four-lumen double-balloon natural latex prostate drug-injection catheter according to claim 2, characterized in that: the two liquid filling cavities are respectively a near-sac liquid filling cavity (7) and a far-sac liquid filling cavity (8); the two balloons are respectively a near balloon (10) and a far balloon (11), and the two liquid-filling funnels are respectively a near balloon liquid-filling funnel (1) and a far balloon liquid-filling funnel (2).

4. The ultra-slippery four-lumen double-balloon natural latex prostate drug-injection catheter according to claim 3, characterized in that: the medicine injection funnel (3) is communicated with the medicine injection hole (12) through the medicine injection cavity (9), the discharge funnel (4) is communicated with the discharge hole (13) through the discharge cavity (6), the near balloon (10) is communicated with the near balloon liquid filling funnel (1) through the near balloon liquid filling cavity (7), and the far balloon (11) is communicated with the far balloon liquid filling funnel (2) through the far balloon liquid filling cavity (8).

5. The ultra-slippery four-lumen double-balloon natural latex prostate drug-injection catheter according to claim 1, characterized in that: the number of the drain holes (13) is two.

6. The ultra-slippery four-lumen double-balloon natural latex prostate drug-injection catheter according to claim 1, characterized in that: the closed end is of a circular arc structure.