Dilation catheter

Abstract

The utility model discloses a dilation catheter which comprises a catheter body, scale marks are fixedly arranged on the surface of the catheter body, a balloon is installed on one side of the surface of the catheter body in a sleeved mode, a pressure pump is fixedly installed on the other side of the catheter body, and a guide wire is movably installed in the catheter body. The scale marks are fixedly arranged on the surface of the catheter body, the catheter body can be used for conducting nephrostomy, then the depth of penetration of the catheter body can be known through the scale marks, and narrow blood vessels or channels can be expanded through the balloon so that blood can be better supplied to the kidney. Then the catheter body can be pressurized by using a pressure pump, so that the balloon is expanded to achieve the purpose of expanding a blood vessel or retaining a stent in the blood vessel, then a pipeline entering path can be formed in advance by using a guide wire, an operation is facilitated, and the puncture depth of the catheter body can be known through matched use.

Description

Technical Field

[0001] The utility model relates to the technical field of medical devices, in particular to a dilatation catheter. Background Art

[0002] Balloon dilatation is an interventional surgical method that uses an interventional method to send a balloon to a predetermined location for dilation. Interventional balloon dilatation to treat arteriovenous fistula stenosis in dialysis patients has been carried out many years ago. It is a percutaneous puncture of the blood vessel under image guidance, and a balloon dilatation catheter is inserted to dilate the narrowed part of the blood vessel and restore the normal inner diameter of the blood vessel cavity, so that the original precious fistula vascular resources can continue to be preserved. In the existing nephrostomy balloon dilatation catheter, the depth of the puncture is unknown and the catheter cannot be fixed. For this reason, a dilatation catheter is proposed.

[0003] After searching, the patent announcement number is CN213964778U which discloses an intrarenal balloon dilatation catheter set

[0004] A component, which includes a catheter and a working sheath, wherein the catheter is provided with a balloon, wherein the catheter is a three-lumen catheter, and the inner cavity of the catheter is divided into a guide wire cavity and a pressure supply cavity located on both sides of the guide wire cavity by a pair of symmetrical arc-shaped valves; the balloon includes an expansion sac arranged at the front end of the catheter and a guide sac arranged behind the expansion sac; a sac wall on one side of the guide sac is connected to the outer wall of the catheter along an axis, and a guide groove is formed at the connection position of the two when the guide sac is inflated; the front end of the working sheath is formed into an arc-shaped slope, and the rear end of the working sheath is fixedly connected with an end cap, however, the nephrostomy balloon dilatation catheter in the prior art documents has no scale, and the insertion depth can only rely on the doctor's proficiency, with low accuracy and greater risk, and the nephrostomy balloon dilatation catheter in the prior art documents cannot be fixed during surgery, and needs to be held by the doctor, and the doctor's hand will inevitably shake and shake after long-term use, increasing the risk of surgery. Utility Model Content

[0005] The utility model aims to provide a dilatation catheter, which is used to perform nephrostomy surgery by using a catheter body, and then the depth of the catheter body being inserted can be known by using a scale line, and then the narrow blood vessel or channel can be expanded by using a balloon to better supply blood to the kidney, and then the catheter body can be pressurized by using a pressure pump to expand the balloon to achieve the purpose of dilating the blood vessel or placing a stent in the blood vessel, and then the pipeline entry path can be formed in advance by using a guide wire, which is convenient for surgery, and can be used in conjunction with each other to know the depth of the catheter body being inserted, without relying on medical proficiency, with high accuracy and low risk, and then the limiting sleeve is connected to the catheter body by using a through hole, and then the wear-resistant pad can be used to prevent the catheter body from being worn, thereby increasing the service life of the catheter body, and then the disinfection layer can be used to protect blood or sweat stains when the limiting sleeve fixes the catheter body, so as to prevent blood or sweat from corroding the limiting sleeve, and then the pressing block is used to cooperate with the fingers of the personnel to move the limiting sleeve left and right on the catheter body, and then the limiting sleeve can be fixed in the operation without the doctor holding it by hand, and no shaking will occur, thereby reducing the risk of the operation, so as to solve the problems raised in the above-mentioned background technology.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A dilatation catheter comprises a catheter body, the surface of which is fixedly provided with scale lines, a balloon is sleeved and installed on one side of the surface of the catheter body, a pressure pump is fixedly installed on the other side of the catheter body, a guide wire is movably installed inside the catheter body, a limiting sleeve is sleeved and installed on the other side of the surface of the catheter body, a through hole is fixedly provided inside the limiting sleeve, an anti-wear pad is fixedly provided inside the through hole, a disinfection layer is installed on the adjustment of the limiting sleeve, and a pressing block is fixedly installed on the other side of the limiting sleeve.

[0008] Preferably, the surface of the pressure pump is fixedly provided with anti-skid protrusions, both sides of the anti-skid protrusions are fixedly installed with limit blocks, and one side of the pressure pump is fixedly installed with a sealing block.

[0009] Preferably, a sealing ring is fixedly installed on the other side of the sealing block, and the sealing ring is made of rubber material.

[0010] Preferably, a medical tape is fixedly provided on the other side of the pressing block, and a sticker is movably provided on one end of the medical tape.

[0011] Preferably, a connecting tube is fixedly provided on the other side of the medical tape, and an end cap is movably installed on the top of the connecting tube.

[0012] Preferably, both ends of the balloon are fixedly provided with liquid flow holes, and the shape of the liquid flow holes is circular.

[0013] Preferably, a fixing block is movably mounted on one side of the catheter body, and a puncture needle is fixedly mounted on one side of the fixing block.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] By fixing the scale lines on the surface of the catheter body, the catheter body can be used for nephrostomy surgery, and the scale lines can be used to know the depth of the catheter body's insertion, and then the balloon can be used to expand the narrow blood vessels or channels to better supply blood to the kidneys. Then, the pressure pump can be used to pressurize the catheter body to expand the balloon to achieve the purpose of expanding the blood vessels or placing stents in the blood vessels. Then, the guide wire can be used to form a pipeline entry path in advance, which is convenient for surgery. When used in combination, the depth of the catheter body's insertion can be known, and it does not need to rely on medical proficiency, and the accuracy is high and the risk is low.

[0016] By fixing a through hole inside the limiting sleeve, the limiting sleeve can be connected to the catheter body by using the through hole, and the anti-friction pad can be used to prevent the catheter body from being worn, thereby increasing the service life of the catheter body. Then, the disinfection layer can be used to protect blood or sweat stains when the limiting sleeve fixes the catheter body, thereby preventing blood or sweat from corroding the limiting sleeve. Then, the pressing block is used in conjunction with the fingers of the operator to move the limiting sleeve left and right on the catheter body. When used in combination, the catheter body can be fixed during surgery without the doctor's hand holding it and without shaking, thereby reducing the risk of surgery. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a three-dimensional diagram of the utility model;

[0018] Figure 2 It is a schematic diagram of the structure of the utility model;

[0019] Figure 3 It is a partial diagram of the limiting sleeve in the utility model;

[0020] Figure 4 It is a partial stereoscopic view of the balloon in the present invention.

[0021] The meanings of the numbers in the figure are as follows: 1. catheter body; 101. scale line; 102. balloon; 103. pressure pump; 104. guide wire; 2. limiting sleeve; 201. through hole; 202. anti-wear pad; 203. disinfection layer; 204. pressing block; 3. anti-slip bump; 301. limiting block; 4. sealing block; 401. sealing ring; 5. medical tape; 501. sticker; 6. connecting tube; 601. end cap; 7. liquid flow hole; 8. fixing block; 801. puncture needle. 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] The utility model provides a technical solution:

[0024] A dilatation catheter, see Figure 1-Figure 4 , comprising a catheter body 1, a scale mark 101 is fixedly arranged on the surface of the catheter body 1, a balloon 102 is sleeved and installed on one side of the surface of the catheter body 1, a pressure pump 103 is fixedly installed on the other side of the catheter body 1, and a guide wire 104 is movably installed inside the catheter body 1;

[0025] Specifically, Figure 1 and Figure 2 As shown, when in use, the catheter body 1 is fixedly provided with scale lines 101 on the surface of the catheter body 1, so that the catheter body 1 can be used for nephrostomy surgery, and the scale lines 101 can be used to know the depth of the insertion of the catheter body 1, and then the balloon 102 can be used to expand the narrow blood vessels or channels to better supply blood to the kidneys, and then the pressure pump 103 can be used to pressurize the catheter body 1, so that the balloon 102 can be expanded to achieve the purpose of expanding the blood vessels or placing a stent in the blood vessels, and then the guide wire 104 can be used to form a pipeline entry path in advance, which is convenient for surgery. When used in combination, the depth of the insertion of the catheter body 1 can be known, and it does not need to rely on medical proficiency, and the accuracy is high and the risk is low;

[0026] Both ends of the balloon 102 are fixedly provided with flow holes 7, and the shape of the flow holes 7 is circular, the surface of the pressure pump 103 is fixedly provided with anti-skid protrusions 3, and both sides of the anti-skid protrusions 3 are fixedly installed with limit blocks 301, one side of the pressure pump 103 is fixedly installed with a sealing block 4, and the other side of the sealing block 4 is fixedly installed with a sealing ring 401, and the sealing ring 401 is made of rubber material, and one side of the catheter body 1 is movably installed with a fixed block 8, and one side of the fixed block 8 is fixedly provided with a puncture needle 801;

[0027] Specifically, Figure 1 , Figure 2 and Figure 4As shown, when in use, by fixing the flow holes 7 at both ends of the balloon 102, the flow holes 7 can be used to continue the blood circulation in the blood vessels to ensure the fluidity of the blood. The flow holes 7 are round and can flow faster. Then, the anti-skid protrusions 3 can be used to prevent the staff from slipping when inflating the pressure pump 103. Then, the limit block 301 can be used to drive the push rod of the pressure pump 103 to prevent it from slipping. Then, the sealing block 4 is used to connect the catheter body 1 with the pressure pump 103. Then, the rubber properties of the sealing ring 401 are used to fix the pressure pump 103 to prevent it from falling off. Then, the fixing block 8 is used to connect the puncture needle 801 with the catheter body 1, and then the puncture operation is performed through the puncture needle 801.

[0028] The other side of the surface of the catheter body 1 is sleeved and installed with a limiting sleeve 2, a through hole 201 is fixedly provided inside the limiting sleeve 2, an anti-wear pad 202 is fixedly provided inside the through hole 201, a disinfection layer 203 is installed on the adjustment of the limiting sleeve 2, and a pressing block 204 is fixedly installed on the other side of the limiting sleeve 2;

[0029] Specifically, Figure 1 , Figure 2 and Figure 3 As shown, when in use, by fixing a through hole 201 inside the limiting sleeve 2, the limiting sleeve 2 can be connected to the catheter body 1 by using the through hole 201, and then the anti-wear pad 202 can be used to prevent the catheter body 1 from being worn, thereby increasing the service life of the catheter body 1. Then, the disinfection layer 203 can be used to protect blood or sweat stains when the limiting sleeve 2 fixes the catheter body 1, thereby preventing blood or sweat from corroding the limiting sleeve 2. Then, the pressing block 204 is used to cooperate with the fingers of the personnel to move the limiting sleeve 2 left and right on the catheter body 1. When used in combination, the catheter body 1 can be fixed during surgery without the doctor holding it by hand, and it will not shake, thereby reducing the risk of surgery.

[0030] A medical tape 5 is fixedly provided on the other side of the pressing block 204, a sticker 501 is movably provided on one end of the medical tape 5, a connecting tube 6 is fixedly provided on the other side of the medical tape 5, and an end cap 601 is movably installed on the top of the connecting tube 6;

[0031] Specifically, Figure 1 and Figure 2 As shown, when in use, by fixing the medical tape 5 on the other side of the pressing block 204, the catheter body 1 can be fixed to the patient's skin using the medical tape 5. The catheter body 1 can be fixed by simply tearing off the sticker 501, which can effectively prevent the catheter body 1 from shaking on the patient after the operation. Then, some physiological saline can be delivered to the inside of the balloon 102 using the connecting tube 6 to facilitate the operation. The connecting tube 6 can be sealed using the end cap 601 to prevent dust from entering when the catheter body 1 is not in use.

[0032] Working principle: when in use, first, a nephrostomy is performed through the catheter body 1, and then the scale line 101 can be used to know the depth of the insertion of the catheter body 1, and then the balloon 102 can be used to expand the narrow blood vessels or channels to better supply blood to the kidneys, and then the pressure pump 103 can be used to pressurize the catheter body 1, so that the balloon 102 can be expanded to achieve the purpose of expanding the blood vessels or placing stents in the blood vessels, and then the guide wire 104 can be used to form a pipeline entry path in advance, and then some physiological saline can be sent to the inside of the balloon 102 by using the connecting tube 6 to facilitate the operation, and then the connecting tube 6 can be sealed by the end cap 601 to prevent dust from entering when the catheter body 1 is not in use, and then the blood is continued to circulate in the blood vessels by using the flow hole 7 to ensure the fluidity of the blood. The flow hole 7 is round and can flow faster;

[0033] Secondly, the catheter body 1 is connected to the pressure pump 103 through the sealing block 4, and then the pressure pump 103 is fixed by using the rubber property of the sealing ring 401, and then the puncture needle 801 is connected to the catheter body 1 by using the fixing block 8, and then the puncture operation is performed through the puncture needle 801;

[0034] Finally, the limiting sleeve 2 is connected to the catheter body 1 through the through hole 201, and the anti-wear pad 202 can be used to prevent the catheter body 1 from being worn, thereby increasing the service life of the catheter body 1. Then, the disinfection layer 203 can be used to protect against blood or sweat stains when the limiting sleeve 2 fixes the catheter body 1, thereby preventing blood or sweat from corroding the limiting sleeve 2. Then, the pressing block 204 is used to cooperate with the fingers of the personnel to move the limiting sleeve 2 left and right on the catheter body 1. Then, the anti-slip convex point 3 can be used to prevent the staff from slipping when inflating with the pressure pump 103. Then, the limiting block 301 can be used to drive the push rod of the pressure pump 103, and then the medical tape 5 is used to fix the catheter body 1 to the patient's skin. It can be fixed by simply tearing off the sticker 501, which can effectively prevent the catheter body 1 from shaking on the patient after the operation.

[0035] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A dilatation catheter, comprising a catheter body (1), characterized in that: The surface of the catheter body (1) is fixedly provided with scale lines (101), a balloon (102) is sleeved and installed on one side of the surface of the catheter body (1), a pressure pump (103) is fixedly installed on the other side of the catheter body (1), a guide wire (104) is movably installed inside the catheter body (1), a limiting sleeve (2) is sleeved and installed on the other side of the surface of the catheter body (1), a through hole (201) is fixedly provided inside the limiting sleeve (2), an anti-wear pad (202) is fixedly provided inside the through hole (201), a disinfection layer (203) is installed on the adjustment of the limiting sleeve (2), and a pressing block (204) is fixedly installed on the other side of the limiting sleeve (2).

2. A dilatation catheter according to claim 1, characterized in that: The surface of the pressure pump (103) is fixedly provided with anti-skid protrusions (3), both sides of the anti-skid protrusions (3) are fixedly installed with limit blocks (301), and one side of the pressure pump (103) is fixedly installed with a sealing block (4).

3. A dilatation catheter according to claim 2, characterized in that: A sealing ring (401) is fixedly mounted on the other side of the sealing block (4), and the sealing ring (401) is made of rubber material.

4. A dilatation catheter according to claim 1, characterized in that: A medical tape (5) is fixedly arranged on the other side of the pressing block (204), and a sticker (501) is movably arranged on one end of the medical tape (5).

5. A dilatation catheter according to claim 4, characterized in that: A connecting tube (6) is fixedly provided on the other side of the medical tape (5), and an end cap (601) is movably installed on the top of the connecting tube (6).

6. A dilatation catheter according to claim 1, characterized in that: Both ends of the balloon (102) are fixedly provided with liquid flow holes (7), and the shape of the liquid flow holes (7) is circular.

7. A dilatation catheter according to claim 1, characterized in that: A fixing block (8) is movably mounted on one side of the catheter body (1), and a puncture needle (801) is fixedly arranged on one side of the fixing block (8).

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