Reinforced balloon catheter

By designing urine channels, Murphy holes, injection tubes and balloons in the balloon catheter, and drainage channels formed by excretion holes and drainage holes, the problem of urine residue at the apex balloon is solved, achieving efficient urine drainage and improved bending resistance of the catheter.

CN222641070UActive Publication Date: 2025-03-21ZHUOYI HUXUAN (GUANGDONG) TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202420816701.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-19
Publication Date
2025-03-21
Estimated Expiration
2034-04-19

AI Technical Summary

Technical Problem

When used in existing balloon catheters, urine is prone to remain at the top of the balloon, resulting in unfavorable excretion.

Method used

A reinforced balloon catheter is designed, with urine channels, Murphy holes, injection tubes and balloons in the catheter. Through the drainage channel formed by the excretion holes and drainage holes, urine at the balloon position is quickly introduced into the urine channel.

Benefits of technology

It effectively solves the problem of urine effusion at the balloon location, reduces the retention of urine at the bladder mouth, relieves long-term stimulation of the bladder mouth mucosa, and enhances the flexural resistance of the catheter through reinforcement.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222641070U_ABST
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Abstract

The utility model discloses a reinforced balloon catheter, and relates to the technical field of balloon catheters. The reinforced balloon catheter comprises a catheter, the main body of the catheter is a catheter, the main body of the catheter is of a flexible structure, a urine channel is formed in the center of the interior of the catheter, urine flows through the urine channel, the right end of the catheter is arranged in a human body, and the left end of the catheter is connected with a urine collecting device through a connector; the urethral catheter comprises a catheter body, an injection tube is further arranged in the catheter body, a balloon is fixedly connected to the peripheral face of the right side end of the catheter body, a drainage hole is formed in the catheter body, and the surface of the balloon is sunken inwards to form a horn-shaped drainage hole. The purpose of preventing falling is achieved, the problem of urine effusion at the position of the balloon can be solved, urine remaining at the bladder opening is reduced, and long-time stimulation to the mucosa of the bladder opening is relieved.
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Description

Technical Field

[0001] The utility model relates to the technical field of balloon urinary catheters, in particular to a reinforced balloon urinary catheter. Background Art

[0002] A urinary catheter is a tube inserted into the bladder through the urethra to drain urine. It is a tube made of natural rubber, silicone rubber or polyvinyl chloride (PVC) and can be inserted into the bladder through the urethra to drain urine. After the urinary catheter is inserted into the bladder, a balloon is provided near the head of the urinary catheter to fix the urinary catheter in the bladder and prevent it from coming out easily. The drainage tube is connected to a urine bag to collect urine. A balloon urinary catheter and a preparation method thereof are currently patented. Patent publication number CN104368078B The utility model discloses a balloon urinary catheter, including a tube A body, a balloon tube is arranged inside the tube body, the tube body includes an inner tube and an outer layer wrapped on the surface of the inner tube, the balloon tube is arranged between the inner tube and the outer layer, and a balloon filling cavity connected to the balloon tube is arranged in the tube wall of the inner tube; the inner tube is a thermoplastic material, and the outer layer is a thermosetting material layer or a composite material layer; when the outer layer is a composite material layer, the outer layer is wrapped and bonded to the surface of the inner tube; the composite materials in the outer layer and the first medium layer are mixed by thermosetting materials and thermoplastic materials. On the other hand, the present invention also provides a variety of preparation methods for realizing the above-mentioned balloon catheter. The balloon catheter of the present invention can ensure the unobstructed liquid drainage cavity and the balloon filling cavity, reduce the medical risks when the product is used, the product has a stable structure, and the balloon has good recovery performance when used.

[0003] Regarding the above-mentioned related technologies, the inventors believe that the following defects exist: although it can serve as a catheter when in use, urine is easily retained at the top of the balloon, resulting in poor discharge. Therefore, we propose a reinforced balloon catheter to solve the above-mentioned problems. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides a reinforced balloon urinary catheter, which solves the problem that urine is easily left on the top of the balloon during use, resulting in poor discharge.

[0005] To achieve the above purpose, the utility model is implemented through the following technical solutions: a reinforced balloon urinary catheter, comprising a catheter, the main body of the catheter is a urinary catheter, and the main body of the catheter is a flexible structure, a Murphy hole is opened at the right end of the catheter, a urine channel is opened at the inner center of the catheter, and the urine channel is used for urine to flow through, the right end of the catheter is placed in the human body, and the left end is connected to the urinary catheter device through a joint;

[0006] An injection tube is also provided inside the catheter, and a balloon is fixedly connected to the outer peripheral surface of the right end of the catheter. The main body of the balloon is an internal hollow structure, and the balloon cavity is connected to the end of the injection tube. The other end of the injection tube is connected to the injection assembly through a joint;

[0007] The catheter is provided with an excretion hole, the surface of the balloon is sunken to form a trumpet-shaped drainage hole, the excretion hole and the drainage hole are connected to form a drainage channel, and the drainage channel is used to quickly guide urine at the balloon position into the urine channel.

[0008] Preferably, there are at least two Murphy holes.

[0009] Preferably, the injection pipe is a flexible structure.

[0010] Preferably, a reinforcing member is embedded inside the tube wall of the catheter, and the reinforcing member is used to keep the inner cavity unobstructed;

[0011] Preferably, the main body of the reinforcement is a spiral structure and is evenly distributed on the inner wall of the catheter. The reinforcement extends to the right side of the catheter to the junction position of the left end of the balloon. The reinforcement is made of polymer material or stainless steel.

[0012] Preferably, the balloon is made of polymer material, and the thickness of the balloon is 0.001-0.05 mm.

[0013] Preferably, the catheter is made of polymer material, and the balloon thickness is 0.001-0.9 mm.

[0014] Preferably, a drug injection tube is provided inside the catheter, the right end of the drug injection tube opens at the right end of the catheter and is connected to the outside of the catheter, and the left end of the drug injection tube is connected to the drug injection device through a joint.

[0015] Beneficial Effects

[0016] The utility model provides a reinforced balloon urinary catheter. Compared with the prior art, it has the following beneficial effects:

[0017] The reinforced balloon urinary catheter has a main body of a urinary catheter and a flexible structure. A urine channel running through the left and right is provided at the inner center of the catheter. A Murphy hole is provided at the right end of the catheter, and the left end is connected to the urinary catheter device through a joint. By inserting the right end of the catheter into the human body, urine can flow through the urine channel. A balloon is fixedly connected to the outer peripheral surface of the right end of the catheter, and the main body of the balloon is an internal hollow structure. At the same time, the balloon cavity is connected to the end of the injection tube. Through the other end of the injection tube, it can be connected to the injection assembly through a joint. It is convenient for medical staff to inject liquid or air to expand the balloon, and the expansion of the balloon can realize the clamping of the catheter in the patient's urethra to limit the position, so as to achieve the purpose of preventing it from falling off. The drainage channel formed by the excretion hole and the drainage hole can effectively and quickly guide the urine at the balloon position into the urine channel, which can solve the problem of urine accumulation at the balloon position, reduce urine retention at the bladder opening, and relieve long-term stimulation to the bladder opening mucosa. In addition, the reinforcement piece can enhance the bending resistance of the tube body and make it difficult to bend. It can also resist thermal expansion and compression caused by changes in the patient's body posture during retention to keep the inner cavity unobstructed. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 It is a schematic diagram of the structure of local A of the utility model;

[0020] Figure 3 It is a schematic diagram of the local B structure of the utility model.

[0021] In the figure: 1. catheter; 2. urine channel; 3. injection tube; 4. balloon; 5. reinforcement; 6. excretion hole; 7. drainage hole; 8. drug injection tube. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figure 1-3The utility model provides a technical solution: a reinforced balloon urinary catheter, comprising a catheter 1, the main body of the catheter 1 is a urinary catheter, and the main body of the catheter 1 is a flexible structure, a Murphy hole is provided at the right end of the catheter, a urine channel 2 is provided at the inner center position of the catheter 1, and the urine channel 2 is used for urine to flow through, the right end of the catheter 1 is placed in the human body, and the left end is connected to the urinary catheter device through a joint; an injection tube 3 is also provided inside the catheter 1, and a balloon 4 is fixedly connected to the outer peripheral surface of the right end of the catheter 1, the main body of the balloon 4 is an internal hollow structure, and the cavity of the balloon 4 is connected with the end of the injection tube 3, and the other end of the injection tube 3 is connected with the injection component through a joint; the catheter 1 is provided with an excretion hole 6, and the surface of the balloon 4 is sunken to form a trumpet-shaped drainage hole 7, and the excretion hole 6 and the drainage hole 7 are connected to form a drainage channel, and the drainage channel is used to quickly guide the urine at the position of the balloon 4 into the urine channel 2.

[0024] Since the main body of the catheter 1 is a urinary catheter, and the main body of the catheter 1 is a flexible structure, and a urine channel 2 running through the left and right is provided at the inner center of the catheter 1, a Murphy hole is provided at the right end of the catheter 1, and the left end is connected to the urinary catheter device through a joint, by inserting the right end of the catheter 1 into the human body, urine flows into the urine channel 2 from the Murphy hole, so that urine can flow through the urine channel 2; an injection tube 3 is also provided inside the catheter 1, and a balloon 4 is fixedly connected to the outer peripheral surface of the right end of the catheter 1, and the main body of the balloon 4 is an internal hollow structure, and the balloon 4 cavity The body is connected with the end of the injection tube 3, and the other end of the injection tube 3 can be connected to the injection assembly through a joint, which can facilitate medical staff to inject liquid or air, thereby enabling the balloon 4 to expand, and the expansion of the balloon 4 can realize the clamping of the catheter 1 in the patient's urethra to limit the position, so as to achieve the purpose of preventing it from falling off. The drainage channel formed by the excretion hole 6 and the drainage hole 7 can effectively and quickly guide the urine at the position of the balloon 4 into the urine channel 2, which can solve the problem of urine accumulation at the position of the balloon 4, reduce bladder urine retention, and alleviate the long-term stimulation to the bladder mouth mucosa.

[0025] See also Figure 3 There are two excretion holes 6 and two corresponding drainage holes 7, which can form two drainage channels and improve the efficiency of introducing urine into the urine channel 2.

[0026] See also Figure 2-Figure 3 A reinforcing member 5 is embedded inside the tube wall of the catheter 1. The reinforcing member 5 is used to keep the inner cavity unobstructed. The main body of the reinforcing member 5 is a spiral structure and is evenly distributed on the inner wall of the catheter 1. The reinforcing member 5 extends to the right side of the catheter 1 to the joint position of the left end of the balloon 4. The reinforcing member 5 is made of polymer material or stainless steel. The reinforcing member 5 can enhance the bending resistance of the catheter 1 and prevent it from being easily folded. It can also resist thermal expansion and compression caused by changes in the patient's body posture during indwelling, so as to keep the inner cavity unobstructed.

[0027] See also Figure 1-Figure 3 The injection tube 3 is a flexible structure, which allows the injection tube 3 to bend along with the catheter 1 and then be inserted into the patient's body.

[0028] See also Figure 1 , Figure 3 The material of the balloon 4 is a polymer material, and the thickness of the balloon 4 is 0.001-0.05 mm, which can ensure both the strength of the balloon 4 and the hygiene of its use.

[0029] See also Figure 1-Figure 3 The catheter 1 is made of polymer material, and the thickness of the catheter 1 is 0.001-0.9mm, which can ensure the strength of the catheter 1 and the hygiene of its use.

[0030] See also Figure 1-Figure 3 An injection tube 8 is also provided inside the catheter 1. The injection tube 8 opens at the right end of the catheter 1 and is connected to the outside of the catheter 1. The left end of the injection tube 8 is connected to the injection device through a joint, so that flushing or injection can be achieved during the retention process.

[0031] During operation, since the main body of the catheter 1 is a urinary catheter, and the main body of the catheter 1 is a flexible structure, a urine channel 2 running through the left and right is provided at the center of the catheter 1, a Murphy hole is provided at the right end of the catheter 1, and the left end is connected to the urinary catheter device through a joint, and urine flows into the urine channel 2 from the Murphy hole by inserting the right end of the catheter 1 into the human body; an injection tube 3 is also provided inside the catheter 1, and a balloon 4 is fixedly connected to the outer peripheral surface of the right end of the catheter 1, and the main body of the balloon 4 is an internal hollow structure, and the cavity of the balloon 4 is connected to the injection tube 3 The ends are interconnected, and the other end of the injection tube 3 can be connected to the injection assembly through a joint, which can facilitate medical staff to inject liquid or air, thereby enabling the balloon 4 to expand. The expansion of the balloon 4 can be used to clamp the catheter 1 in the patient's urethra for limiting the position, so as to achieve the purpose of preventing it from falling off. The excretion hole 6 and the drainage hole 7 are interconnected to form a drainage channel, which can quickly guide the urine at the position of the balloon 4 into the urine channel 2, thereby solving the problem of urine accumulation at the position of the balloon 4, reducing urine retention at the bladder opening, and alleviating long-term stimulation to the bladder opening mucosa.

[0032] Since the main body of the reinforcing member 5 is a spiral structure and is evenly distributed on the inner wall of the catheter 1, the reinforcing member 5 extends to the right side of the catheter 1 to the joint position of the left end of the balloon 4. The reinforcing member 5 is made of polymer material or stainless steel. The reinforcing member 5 can enhance the bending resistance of the catheter 1 and prevent it from being easily folded, and can resist thermal expansion and compression caused by changes in the patient's body posture during indwelling, so as to keep the inner cavity unobstructed; since the balloon 4 is made of polymer material, the thickness of the balloon 4 is 0.001-0.05mm, which can ensure the strength of the balloon 4 and the hygiene of its use; since the catheter 1 is made of polymer material, the thickness of the catheter 1 body is 0.001-0.9mm, which can ensure the strength of the catheter 1 and the hygiene of its use; since the catheter 1 is also provided with an injection tube 8, the injection tube 8 is opened at the right end of the catheter 1 and is connected to the outside of the catheter 1, and the left end of the injection tube 8 is connected to the injection device through a joint, so that flushing or injection can be achieved during the indwelling process.

[0033] In summary, the device can not only clamp the catheter 1 in the patient's urethra and limit it by expanding the balloon 4 to prevent it from falling off, but also solve the problem of urine accumulation at the balloon position, reduce urine retention at the bladder opening, and alleviate long-term stimulation to the bladder opening mucosa.

[0034] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

Claims

1. A reinforced balloon urinary catheter, comprising a catheter (1), characterized in that: The main body of the catheter (1) is a urinary catheter, and the main body of the catheter (1) is a flexible structure. A Murphy hole is provided at the right end of the catheter (1). A urine channel (2) is provided at the center of the catheter (1). The urine channel (2) is used for urine to flow through. The right end of the catheter (1) is placed in the human body, and the left end is connected to a urinary catheter device via a joint. An injection tube (3) is also provided inside the catheter (1), and a balloon (4) is fixedly connected to the outer peripheral surface of the right end of the catheter (1), the main body of the balloon (4) is an internal hollow structure, and the cavity of the balloon (4) is connected to the end of the injection tube (3), and the other end of the injection tube (3) is connected to the injection assembly through a joint; The catheter (1) is provided with an excretion hole (6), the surface of the balloon (4) is sunken to form a trumpet-shaped drainage hole (7), the excretion hole (6) and the drainage hole (7) are connected to form a drainage channel, and the drainage channel is used to quickly guide urine at the position of the balloon (4) into the urine channel (2).

2. A reinforced balloon urinary catheter according to claim 1, characterized in that: There are at least two Murphy holes.

3. A reinforced balloon urinary catheter according to claim 1, characterized in that: The injection pipe (3) is a flexible structure.

4. A reinforced balloon urinary catheter according to claim 1, characterized in that: A reinforcing member (5) is embedded inside the tube wall of the catheter (1), and the reinforcing member (5) is used to keep the inner cavity unobstructed.

5. A reinforced balloon urinary catheter according to claim 4, characterized in that: The main body of the reinforcing member (5) is a spiral structure and is evenly distributed on the inner wall of the catheter (1). The reinforcing member (5) extends toward the right side of the catheter (1) to the junction position of the left end of the balloon (4). The reinforcing member (5) is made of a polymer material or stainless steel.

6. The reinforced balloon urinary catheter according to claim 1, characterized in that: The material of the balloon (4) is a polymer material, and the thickness of the balloon (4) is 0.001-0.05 mm.

7. The reinforced balloon urinary catheter according to claim 1, characterized in that: The material of the catheter (1) is a polymer material, and the thickness of the catheter (1) is 0.001-0.9 mm.

8. The reinforced balloon urinary catheter according to claim 1, characterized in that: The interior of the catheter (1) is also provided with a drug injection tube (8), which opens at the right end of the catheter (1) and is connected to the outside of the catheter (1), and the left end of the drug injection tube (8) is connected to the drug injection device via a joint.

Citation Information

Patent Citations

  • A balloon catheter and its preparation method

    CN104368078B