Catheter fixing device

Abstract

The utility model relates to the technical field of medical instruments, in particular to a catheter fixing device which comprises a fixing patch, a connecting block is fixedly installed at the top of the fixing patch, a leakage hole penetrating to the bottom of the fixing patch is formed in the top of the connecting block, a round sliding groove communicated with the leakage hole is formed in the bottom of the connecting block, and a through hole is formed in the bottom of the round sliding groove. A rotating ring is rotatably installed in the circular sliding groove, a connecting sleeve is fixedly installed on the inner wall of the rotating ring, an inner guide pipe is inserted into the bottom of the inner wall of the connecting sleeve, the inner guide pipe is installed in the connecting sleeve and rotates together with the connecting sleeve to adjust the angle, and a fixing assembly is installed at the top of a connecting block. The fixing assembly is used for fixing the position of the connecting sleeve. According to the embodiment, the joint of the inner catheter and the outer catheter is fixed through the fixing paste, and the inner catheter and the outer catheter can be rotated, so that the situation that the catheter is pulled and the patient is injured when the patient moves is avoided, and the catheter is more convenient for the patient to guide liquid.

Description

Technical Field

[0001] This utility model relates to the field of medical device technology, and more specifically to a catheter fixation device. Background Technology

[0002] The liver, gallbladder, and pancreas are vital organs in the human body. When obstruction occurs in these systems, such as bile duct stones blocking the bile duct, or tumors compressing the bile duct or pancreatic duct, ducts can be used for drainage. This removes accumulated bile or pancreatic juice from the body, alleviating symptoms such as jaundice and abdominal pain, and preventing further damage to liver and pancreatic function.

[0003] For catheters used to drain fluid from the liver, gallbladder, and pancreas, existing technologies exist, such as:

[0004] Chinese Patent Publication No. CN217697607U discloses a catheter fixation structure for hepatobiliary and pancreatic surgery with adjustable tube angle. It includes a fixation head, a positioning ring at the top of the fixation head, a fixing band on one side of the positioning ring, a positioning groove on one side of the positioning ring, a positioning block installed inside the positioning groove, a buffer pad on one side of the positioning block, a fixation tube inside the fixation head, limit grooves on both sides of the fixation tube, and a fixing block at the top of the fixation tube.

[0005] Therefore, it can be seen that the existing technology connects two catheters together, allowing the catheter to be adjusted in angle after being fixed, which facilitates the patient's turning and movement. However, the existing technology uses a connector to connect the catheters. After the catheter is inserted into the patient's body, it is fixed by strapping it to the patient's body. The catheter is not securely tied to the patient's body. The connector has a certain weight and does not have a fixed position. It can also pull on the catheter part in the patient's body, which can cause damage to the patient.

[0006] In view of this, the present invention provides a catheter fixing device. Utility Model Content

[0007] The purpose of this invention is to overcome the above-mentioned shortcomings and provide a catheter fixation device.

[0008] Therefore, this utility model provides a catheter fixation device, including a fixing patch, which is fixed to the patient's catheter insertion site. A connecting block is fixedly installed on the top of the fixing patch. A hole penetrating to the bottom of the fixing patch is opened on the top of the connecting block. A circular groove communicating with the hole is opened on the bottom of the connecting block. A rotating ring is rotatably installed inside the circular groove. A connecting sleeve is fixedly installed on the inner wall of the rotating ring. An inner catheter is inserted into the bottom of the inner wall of the connecting sleeve. The inner catheter is installed inside the connecting sleeve and rotates together with the connecting sleeve to adjust the angle. A fixing component is installed on the top of the connecting block. The fixing component is used to fix the position of the connecting sleeve.

[0009] As a further improvement to this technical solution, the outer surface of the connecting sleeve is provided with a mating groove, and a mating head is fitted onto the outer surface of the connecting sleeve. A sealing ring is installed on the inner wall of the mating head, and the sealing ring is fitted into the inside of the mating groove. An outer conduit is fixedly installed inside the mating head, and the outer conduit is located inside the mating head and extends into the inside of the connecting sleeve.

[0010] As a further improvement to this technical solution, the external catheter extends into the interior of the connecting sleeve and connects with the internal catheter to drain the accumulated fluid from the patient's body.

[0011] As a further improvement to this technical solution, the fixing component includes a threaded hole opened on the top of the connecting block, and a stop post is threadedly connected inside the threaded hole. The bottom of the stop post abuts against the top of the rotating ring, thereby limiting the rotating ring and the connecting sleeve.

[0012] As a further improvement to this technical solution, two abutments are provided, which are symmetrically distributed inside the connecting block to limit and fix the top two sides of the rotating ring.

[0013] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0014] In this catheter fixation device, when inserting a hepatobiliary and pancreatic effusion catheter into a patient, the rotating ring installed on the outer surface of the connecting sleeve can rotate at the bottom of the connecting block and the top of the fixing patch. The inner catheter is then aligned with the inside of the connecting sleeve, and the connector is aligned with the top of the connecting sleeve, allowing the outer catheter installed inside the connector to extend into the inside of the connecting sleeve and align with the inner catheter. During insertion, the inner catheter can rotate at a suitable angle through the connecting sleeve for easy insertion into the patient's body. After insertion on the outside of the inner catheter, the abutment is rotated so that the bottom of the abutment abuts and fixes the rotating ring. The outer catheter can rotate through the connector, allowing it to be adjusted to a suitable angle when the patient turns over or moves, without affecting the drainage of fluid through the inner and outer catheters. The fixing patch secures the connection between the inner and outer catheters, and both the inner and outer catheters can rotate, preventing the catheters from being pulled when the patient moves, thus avoiding injury to the patient and making it more convenient for the patient to use for drainage. Attached Figure Description

[0015] The present invention will now be described in more detail by way of example, with reference to the accompanying drawings, in which:

[0016] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0017] Figure 2 This is a schematic diagram of the connecting block structure of this utility model;

[0018] Figure 3 This is a schematic diagram of the connecting sleeve structure of this utility model;

[0019] Figure 4 This is a schematic diagram of the connection structure between the outer and inner catheters of this utility model;

[0020] Figure 5 This is a schematic diagram of the connector structure of this utility model.

[0021] The meanings of the labels in the diagram are as follows:

[0022] 1. Fixing sticker; 2. Connecting block; 21. Circular groove; 3. Rotating ring; 31. Connecting sleeve; 32. Butt groove; 4. Inner guide tube; 5. Fixing component; 501. Support column; 6. Butt joint; 61. Sealing ring; 7. Outer guide tube. Detailed Implementation

[0023] Existing technology uses two catheter segments to connect, allowing the catheter to be adjusted in angle after being fixed, facilitating patient movement. However, existing technology uses a connector for connection. After the catheter is inserted into the patient's body, it is fixed by strapping it to the patient. The catheter is not securely tied to the patient. The connector has a certain weight and is not fixed in place. It can also pull on the catheter part inside the patient's body, causing injury.

[0024] like Figure 1-5 As shown, the device includes a fixing patch 1, which is fixed to the patient's insertion site. A connecting block 2 is fixedly installed on the top of the fixing patch 1. A hole is opened on the top of the connecting block 2, extending through to the bottom of the fixing patch 1. A circular groove 21 communicating with the hole is opened on the bottom of the connecting block 2. A rotating ring 3 is rotatably installed inside the circular groove 21. A connecting sleeve 31 is fixedly installed on the inner wall of the rotating ring 3. An inner catheter 4 is inserted into the bottom of the inner wall of the connecting sleeve 31. The inner catheter 4 is installed inside the connecting sleeve 31 and rotates together with the connecting sleeve 31 to adjust the angle. A fixing component 5 is installed on the top of the connecting block 2. The fixing component 5 is used to fix the position of the connecting sleeve 31.

[0025] First, considering the question of how the external catheter 7 and the internal catheter 4 are connected, present the following: Figure 4 and Figure 5 The specific structure of the external conduit 7 is disclosed. The outer surface of the connecting sleeve 31 is provided with a mating groove 32. The outer surface of the connecting sleeve 31 is fitted with a mating joint 6. A sealing ring 61 is installed on the inner wall of the mating joint 6. The sealing ring 61 is fitted inside the mating groove 32. The external conduit 7 is fixedly installed inside the mating joint 6. The external conduit 7 is located inside the mating joint 6 and extends into the interior of the connecting sleeve 31.

[0026] The external catheter 7 extends into the inside of the connecting sleeve 31 and docks with the internal catheter 4 to drain the accumulated fluid from the patient's body.

[0027] The improvement of this embodiment is that by opening a circular groove 21 at the bottom of the connecting block 2, the rotating ring 3 fixedly installed on the outer surface of the connecting sleeve 31 can be placed inside the circular groove 21. Then, the connecting block 2 is installed on the top of the fixing patch 1, so that the rotating ring 3 can rotate within the circular groove 21. The inner catheter 4 is then connected and installed inside the connecting sleeve 31, so that the inner catheter 4 can be rotated to a suitable angle with the help of the connecting sleeve 31 and inserted into the patient's body for fluid drainage. The fixing patch 1 is attached to the outside of the patient's catheter insertion interface skin to fix the position of the inner catheter 4. The connecting sleeve 31 can be adjusted at an angle to facilitate insertion.

[0028] After the inner catheter 4 is fixedly installed in position, the connector 6 can be sleeved on the outside of the connecting sleeve 31. The sealing ring 61 installed on the inner wall of the connector 6 can be engaged in the docking groove 32 opened on the outer surface of the connecting sleeve 31 to prevent leakage during fluid delivery. The connector 6 can be rotated within the docking groove 32 by the sealing ring 61, and the angle of the outer catheter 7 fixedly installed inside the connector 6 can be adjusted to facilitate the patient's movement and rotation to different positions.

[0029] Because in the existing technology, the inner conduit 4 is connected inside the connecting sleeve 31, the rotation angle of the outer conduit 7 will cause the connecting sleeve 31 to rotate, requiring the connecting sleeve 31 to be limited. Figure 2 and Figure 3 The specific structure of the fixing component 5 is disclosed again. The fixing component 5 includes a threaded hole opened on the top of the connecting block 2. The threaded hole is internally threaded with a stop post 501. The bottom of the stop post 501 abuts against the top of the rotating ring 3, limiting the rotating ring 3 and the connecting sleeve 31.

[0030] There are two abutment posts 501, which are symmetrically distributed inside the connecting block 2 to limit and fix the top two sides of the rotating ring 3.

[0031] The improvement of this embodiment is that a threaded hole is opened at the top of the connecting block 2, so that the abutment 501 can be threaded into the inside of the threaded hole. Rotating the abutment 501 can make the bottom of the abutment 501 abut against the top of the rotating ring 3, thereby fixing and limiting the position of the rotating ring 3 after it has been adjusted.

[0032] In summary, the working principle of this solution is as follows:

[0033] When inserting a catheter for hepatobiliary and pancreatic fluid collection into a patient, the rotating ring 3 installed on the outer surface of the connecting sleeve 31 can rotate at the bottom of the connecting block 2 and the top of the fixing sticker 1. The inner catheter 4 is then connected to the inside of the connecting sleeve 31, and the connecting connector 6 is connected to the top of the connecting sleeve 31, allowing the outer catheter 7 installed inside the connecting connector 6 to extend into the inside of the connecting sleeve 31 and connect with the inner catheter 4. During insertion, the inner catheter 4 can rotate at a suitable angle through the connecting sleeve 31 for easy insertion into the patient's body. After the inner catheter 4 is inserted on the outside, the abutment 501 is rotated so that the bottom of the abutment 501 abuts and fixes the rotating ring 3. The outer catheter 7 can rotate through the connecting connector 6, allowing it to be adjusted to a suitable angle when the patient turns over or moves, without affecting the fluid drainage of the inner catheter 4 and the outer catheter 7. The fixing sticker 1 fixes the connection between the inner catheter 4 and the outer catheter 7, and both the inner catheter 4 and the outer catheter 7 can rotate at different angles, preventing the catheters from being pulled when the patient moves, thus avoiding injury to the patient and making it more convenient for the patient to use for fluid drainage.

[0034] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely preferred examples and are not intended to limit the utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A catheter fixation device, comprising a fixation patch (1), said fixation patch (1) being applied to and fixed at the patient's catheter insertion site, characterized in that: A connecting block (2) is fixedly installed on the top of the fixing patch (1). A hole is opened on the top of the connecting block (2) and extends through to the bottom of the fixing patch (1). A circular groove (21) communicating with the hole is opened on the bottom of the connecting block (2). A rotating ring (3) is rotatably installed inside the circular groove (21). A connecting sleeve (31) is fixedly installed on the inner wall of the rotating ring (3). An inner guide tube (4) is inserted into the bottom of the inner wall of the connecting sleeve (31). The inner guide tube (4) is installed inside the connecting sleeve (31) and rotates together with the connecting sleeve (31) to adjust the angle. A fixing component (5) is installed on the top of the connecting block (2). The fixing component (5) is used to fix the position of the connecting sleeve (31).

2. The catheter fixation device as described in claim 1, characterized in that: The outer surface of the connecting sleeve (31) is provided with a mating groove (32), and a connector (6) is fitted onto the outer surface of the connecting sleeve (31). A sealing ring (61) is installed on the inner wall of the connector (6), and the sealing ring (61) is fitted into the inside of the mating groove (32). An outer conduit (7) is fixedly installed inside the connector (6), and the outer conduit (7) is located inside the connector (6) and extends into the inside of the connecting sleeve (31).

3. The catheter fixation device as described in claim 2, characterized in that: The external catheter (7) extends into the inside of the connecting sleeve (31) and docks with the internal catheter (4) to drain the accumulated fluid in the patient's body.

4. The catheter fixation device as described in claim 1, characterized in that: The fixing component (5) includes a threaded hole on the top of the connecting block (2), and a stop (501) is threaded inside the threaded hole. The bottom of the stop (501) abuts against the top of the rotating ring (3) to limit the rotating ring (3) and the connecting sleeve (31).

5. The catheter fixation device as described in claim 4, characterized in that: Two abutments (501) are provided, and the two abutments (501) are symmetrically distributed inside the connecting block (2) to limit and fix the top two sides of the rotating ring (3).

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