CVC catheter anti-falling fixing device

The design of the catheter fixation clip mechanism solves the problem of inconvenient fixation of central venous catheters, achieving sutureless fixation, avoiding patient pain, and improving fixation stability and ease of installation and removal.

CN224099802UActive Publication Date: 2026-04-10FIRST HOSPITAL OF SHANXI MEDICAL UNIV
View PDF 0 Cites 0 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
FIRST HOSPITAL OF SHANXI MEDICAL UNIV
Filing Date
2025-04-09
Publication Date
2026-04-10

AI Technical Summary

Technical Problem

Existing methods of fixing central venous catheters can easily cause skin pain and discomfort for patients, and are not convenient for quick installation and removal.

Method used

The catheter fixation clamp mechanism includes a lower catheter fixation plate, connecting strap, U-shaped connecting strap, and cross-shaped positioning mechanism. It is fixed to the patient's skin without sutures, and combined with rubber pads and compression springs to improve friction resistance and stability.

Benefits of technology

It achieves seamless suture fixation, avoids skin pain for patients, and allows for quick fixation and removal of the catheter, improving fixation stability and convenience.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN224099802U_ABST
    Figure CN224099802U_ABST
Patent Text Reader

Abstract

The utility model discloses an anti-drop fixing device for a CVC catheter, which relates to the technical field of pneumology department equipment and comprises a CVC central venous catheter, a catheter fixing clamp mechanism is arranged on the outer wall of the CVC central venous catheter, and anti-drop fixing mechanisms are arranged on the left side and the right side of the catheter fixing clamp mechanism. The catheter fixing clamp mechanism comprises a catheter fixing lower plate, an upper plate clamping groove is formed in the top of the catheter fixing lower plate, a catheter fixing upper plate is connected to the inner side of the upper plate clamping groove in a clamped mode, and connecting belts are fixedly installed on the left side and the right side of the front end of the catheter fixing upper plate correspondingly. And the other ends of the two connecting belts are fixedly connected with the front side of the catheter fixing lower plate. According to the catheter fixing clamp, the catheter fixing lower plate, the connecting rod, the U-shaped connecting belt and the cross-shaped positioning mechanism are matched with one another, so that the catheter fixing clamp for preventing the central venous catheter from falling off can be fixed without being sewn on the skin of a patient, and the situation that the wound of the patient is uncomfortable due to the fact that the catheter is pulled carelessly after an operation is avoided.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to a respiratory department equipment technical field, concretely relates to a CVC catheter anti -drop fixing device. BACKGROUND

[0002] CVC catheter is a central venous catheter in medicine, and the catheter is mainly used for long-term intravenous infusion, and is inserted into the peripheral vein of a patient to carry out long-term infusion, blood sampling or medicine injection and the like. The existing technology has the following problems:

[0003] Because the existing central venous catheter is placed in the vein of a patient, the outside thereof needs to be installed with a catheter fixing frame on the outside of the central venous catheter at a wound, and then the catheter fixing frame is fixed on the skin by using a suture, but the suture fixing mode will cause the suture to pull the skin of the patient and cause the patient to feel pain and discomfort once the catheter fixing frame is pulled in the actual use, and the catheter fixing frame is not convenient to disassemble and assemble. UTILITARIAN CONTENT

[0004] The utility model provides a CVC catheter anti -drop fixing device to solve the problems in the above -mentioned background art.

[0005] To solve the above technical problems, the technical scheme adopted by the utility model is:

[0006] A CVC catheter anti -drop fixing device, comprising a CVC central venous catheter, the outer wall of the CVC central venous catheter is provided with a catheter fixing clamp mechanism, the left and right sides of the catheter fixing clamp mechanism are provided with anti -drop fixing mechanisms, the catheter fixing clamp mechanism comprises a catheter fixing lower plate, the top of the catheter fixing lower plate is provided with an upper plate clamping groove, the inner side of the upper plate clamping groove is clamped with a catheter fixing upper plate, the front end of the catheter fixing upper plate is fixedly installed with a connecting band on the left and right sides, the other end of the two connecting bands is fixedly connected with the front side of the catheter fixing lower plate, the top of the upper plate clamping groove is provided with a front and rear through catheter clamping groove one, the bottom of the catheter fixing upper plate is provided with a front and rear through catheter clamping groove two, the catheter clamping groove one is aligned with the catheter clamping groove two, and the CVC central venous catheter is located between the catheter clamping groove one and the catheter clamping groove two.

[0007] The further improvement of the technical scheme of the utility model is that the catheter fixing lower plate is provided with two front and rear through holes, the two anti -drop fixing mechanisms comprise a connecting rod, the two connecting rods pass through the two through holes respectively, and the front and rear ends of the connecting rod are fixedly installed with a U-shaped connecting band, and the side, away from the catheter fixing lower plate, of the U-shaped connecting band is provided with a cross-shaped positioning mechanism.

[0008] The further improvement of the utility model technical scheme lies in that: two the cross positioning mechanisms all include cross non-woven fabric adhesive tape, opposite ends of two the cross non-woven fabric adhesive tapes are fixedly connected with the two U-shaped connecting bands away from the one side of the catheter fixing lower plate respectively, the bottom of the cross non-woven fabric adhesive tape is fixedly bonded with adhesive layer, the bottom of the adhesive layer is fixedly bonded with silicon oil paper.

[0009] The further improvement of the utility model technical scheme lies in that: the silicon oil paper is fixedly connected with extension paper away from the one side of the U-shaped connecting band, the top of the cross non-woven fabric adhesive tape is fixedly installed with release paper.

[0010] The further improvement of the utility model technical scheme lies in that: the inner side of the catheter clamping groove one is fixedly bonded with rubber pad one, the inner side of the catheter clamping groove two is fixedly bonded with rubber pad two, the opposite surfaces of the rubber pad one and the rubber pad two are all overlapped with the outer wall of the CVC central venous catheter.

[0011] The further improvement of the utility model technical scheme lies in that: the left and right sides of the upper plate clamping groove are all provided with clamping groove, the catheter fixing upper plate is provided with two spring cabins, the two spring cabins are located at the left and right sides of the catheter clamping groove two respectively, a plurality of compression springs are fixedly installed on the inner wall of the spring cabin and close to the catheter clamping groove two side, the other end of the compression spring is fixedly installed with pressing plate, the upper and lower sides of the pressing plate are overlapped with the inner wall of the spring cabin respectively, the side away from the compression spring of the pressing plate is fixedly installed with inclined clamping plate, the ends away from the pressing plate of the two inclined clamping plates are respectively penetrated to the left and right sides of the catheter fixing upper plate and are clamped with the clamping groove.

[0012] Due to the adoption of the above technical scheme, the utility model has the following technical progress compared with the prior art:

[0013] 1、The utility model provides a CVC catheter anti -drop fixing device, through the mutual cooperation between catheter fixing lower plate, connecting rod, U type connecting band, cross positioning mechanism, so that the catheter fixing clamp that prevents central venous catheter from falling off need not be sutured on the patient's skin, can be fixed, avoid the patient's wound discomfort caused by accidentally pulling the catheter after operation.

[0014] 2、The utility model provides a CVC catheter anti -drop fixing device, through the mutual cooperation between catheter fixing lower plate, connecting band, catheter fixing upper plate, so that the catheter fixing clamp mechanism whole can be quickly fixed on the outer wall of catheter, and the integrity of catheter fixing lower plate and catheter fixing upper plate is kept by connecting band, avoids falling and losing, and can faster clamping operation. DRAWINGS

[0015] Figure 1 It is the whole schematic view of the utility model structure;

[0016] Figure 2 The schematic view of the catheter fixing clamp of the utility model structure is shown in the figure;

[0017] Figure 3 The schematic view of the anti-falling fixing mechanism of the utility model structure is shown in the figure;

[0018] Figure 4 The schematic view of the cross-shaped positioning mechanism of the utility model structure is shown in the figure;

[0019] Figure 5 The schematic view of the catheter fixing upper plate profile of the utility model structure is shown in the figure.

[0020] In the figure: 1, CVC central venous catheter; 2, catheter fixing clamp mechanism; 21, catheter fixing lower plate; 211, through hole; 22, upper plate clamping groove; 221, clamping groove; 23, connecting belt; 24, catheter fixing upper plate; 241, spring cabin; 242, compression spring; 243, pressing plate; 244, inclined clamping plate; 25, catheter clamping groove one; 251, rubber pad one; 26, catheter clamping groove two; 261, rubber pad two; 3, anti-falling fixing mechanism; 31, connecting rod; 32, U-shaped connecting belt; 33, cross-shaped positioning mechanism; 331, cross-shaped non-woven adhesive tape; 332, adhesive layer; 333, silicone oil paper; 334, extension paper; 335, release paper. DETAILED DESCRIPTION

[0021] In order to make the technical means, creative features, purposes and effects realized by the utility model easy to understand

[0022] It is understood that the utility model will be further described below in combination with specific embodiments.

[0023] As shown in Figure 1 , Figure 2 The utility model provides a CVC catheter anti-falling fixing device, including CVC central venous catheter 1, the outer wall of CVC central venous catheter 1 is provided with catheter fixing clamp mechanism 2, and the left and right sides of catheter fixing clamp mechanism 2 are provided with anti-falling fixing mechanism 3, and catheter fixing clamp mechanism 2 includes catheter fixing lower plate 21, and the top of catheter fixing lower plate 21 is provided with upper plate clamping groove 22, and the inner side of upper plate clamping groove 22 is clamped with catheter fixing upper plate 24, and the front end left and right sides of catheter fixing upper plate 24 are fixedly installed with connecting belt 23, and the other end of two connecting belts 23 is fixedly connected with the front side of catheter fixing lower plate 21, and the top of upper plate clamping groove 22 is provided with front and rear through catheter clamping groove one 25, and the bottom of catheter fixing upper plate 24 is provided with front and rear through catheter clamping groove two 26, and catheter clamping groove one 25 and catheter clamping groove two 26 are aligned, and CVC central venous catheter 1 is located between catheter clamping groove one 25 and catheter clamping groove two 26;

[0024] In use, first by placing the CVC central venous catheter 1 into the patient's vein, then the catheter fixation lower plate 21 is placed below the CVC central venous catheter 1 and the CVC central venous catheter 1 is clamped in the catheter clamping groove one 25, then the catheter fixation upper plate 24 connected by the connecting belt 23 is placed on the top of the catheter fixation lower plate 21, that is, the catheter clamping groove two 26 is clamped above the CVC central venous catheter 1, and the catheter fixation lower plate 21 and the catheter fixation upper plate 24 are fixed to the outer wall of the CVC central venous catheter 1.

[0025] As shown in Figure 3 、 Figure 4 , the catheter fixation lower plate 21 is provided with two front-to-back through holes 211, and each of the two anti-falling fixation mechanisms 3 includes a connecting rod 31, and the two connecting rods 31 pass through the two through holes 211 respectively, and the front and rear ends of the connecting rod 31 are fixedly installed with a U-shaped connecting belt 32, and the side away from the catheter fixation lower plate 21 of the U-shaped connecting belt 32 is provided with a cross-shaped positioning mechanism 33, and the two cross-shaped positioning mechanisms 33 each include a cross-shaped non-woven fabric adhesive tape 331, and the opposite ends of the two cross-shaped non-woven fabric adhesive tapes 331 are fixedly connected with the side away from the catheter fixation lower plate 21 of the two U-shaped connecting belts 32 respectively, and the bottom of the cross-shaped non-woven fabric adhesive tape 331 is fixedly bonded with a bonding layer 332, and the bonding layer 332 is bonded with glue, which is a common design for adhesive tape, and the bottom of the bonding layer 332 is fixedly bonded with a silicone oil paper 333, and the side away from the U-shaped connecting belt 32 of the silicone oil paper 333 is fixedly connected with an extension paper 334, and the top of the cross-shaped non-woven fabric adhesive tape 331 is fixedly installed with a release paper 335.

[0026] By rotating the connecting rod 31 and the connected U-shaped connecting belt 32 in the through hole 211, and tearing off the silicone oil paper 333 for protecting the bonding layer 332 by using the extension paper 334, the cross-shaped non-woven fabric adhesive tape 331 can be bonded on the patient's skin by using the bonding layer 332, and the cross-shaped design of the cross-shaped non-woven fabric adhesive tape 331 can improve the stability in front, back, left and right directions, and the release paper 335 can prevent the cross-shaped non-woven fabric adhesive tape 331 from being torn off when the breathable adhesive film bonded after fixing the catheter fixation clamp mechanism 2 is replaced, thereby ensuring the stability of the cross-shaped non-woven fabric adhesive tape 331.

[0027] As shown in Figure 5As shown, the inner side of the catheter slot one 25 is fixedly bonded with a rubber pad one 251, the inner side of the catheter slot two 26 is fixedly bonded with a rubber pad two 261, the opposite surfaces of the rubber pad one 251 and the rubber pad two 261 are overlapped with the outer wall of the CVC central venous catheter 1, the left and right sides of the upper plate slot 22 are provided with a clamping plate slot 221, the catheter fixing upper plate 24 is provided with two spring cabins 241, the two spring cabins 241 are respectively located on the left and right sides of the catheter slot two 26, a plurality of compression springs 242 are fixedly installed on the inner wall of the spring cabin 241 close to the catheter slot two 26, the other end of the compression spring 242 is fixedly installed with a pressing plate 243, the upper and lower sides of the pressing plate 243 are respectively overlapped with the upper and lower sides of the inner wall of the spring cabin 241, the side of the pressing plate 243 away from the compression spring 242 is fixedly installed with an inclined clamping plate 244, the ends of the two inclined clamping plates 244 away from the pressing plate 243 are respectively penetrated to the left and right sides of the catheter fixing upper plate 24 and are clamped with the clamping plate slot 221;

[0028] When the catheter fixing upper plate 24 is clamped with the inner side of the upper plate slot 22, the rubber pad one 251 in the catheter slot one 25 and the rubber pad two 261 in the catheter slot two 26 can improve the frictional resistance of the clamping of the outer wall of the CVC central venous catheter 1, thereby preventing the overall catheter fixing clamp mechanism 2 from sliding randomly before and after the outer wall of the CVC central venous catheter 1, and at the same time, the inclined surface of the inclined clamping plate 244 can be used for extrusion when the catheter fixing upper plate 24 is installed, so that the pressing plate 243 compresses the compression spring 242 in the spring cabin 241, until the catheter fixing upper plate 24 is completely clamped into the inner side of the upper plate slot 22, the rebound of the compression spring 242 can drive the pressing plate 243 to stably extrude the inclined clamping plate 244 to the outer side, so that the inclined clamping plate 244 is clamped into the clamping plate slot 221, and the horizontal position at the top of the inclined clamping plate 244 is used for limiting, so as to maintain the clamping stability between the catheter fixing upper plate 24 and the catheter fixing lower plate 21, when the CVC central venous catheter 1 needs to be removed, the cross-shaped non-woven adhesive tape 331 is only torn off, and the catheter fixing upper plate 24 and the catheter fixing lower plate 21 in the clamping state can be disassembled.

[0029] The working principle of the CVC catheter anti-falling fixing device will be described below.

[0030] As Figures 1-5As shown, in use, first, the CVC central venous catheter 1 is placed in the patient's vein, then the catheter fixing lower plate 21 is placed below the CVC central venous catheter 1 and the CVC central venous catheter 1 is clamped in the catheter clamping groove one 25, then the catheter fixing upper plate 24 connected by the connecting belt 23 is covered on the top of the catheter fixing lower plate 21 and clamped in the upper plate clamping groove 22, the catheter clamping groove two 26 is clamped above the CVC central venous catheter 1, the catheter fixing lower plate 21 and the catheter fixing upper plate 24 are fixed on the outer wall of the CVC central venous catheter 1, then the connecting rod 31 in the through hole 211 and the U-shaped connecting belt 32 are rotated, the release paper 334 is torn off to protect the adhesive layer 332, the cross-shaped non-woven fabric adhesive tape 331 is adhered to the patient's skin by the adhesive layer 332, the cross-shaped design of the cross-shaped non-woven fabric adhesive tape 331 improves the stability in front and back and left and right directions, the release paper 335 can prevent the breathable adhesive film from being torn off together with the cross-shaped non-woven fabric adhesive tape 331 when the breathable adhesive film is replaced, ensuring the stability of the cross-shaped non-woven fabric adhesive tape 331, when the catheter fixing upper plate 24 is clamped in the upper plate clamping groove 22, the rubber pad one 251 in the catheter clamping groove one 25 and the rubber pad two 261 in the catheter clamping groove two 26 can improve the frictional resistance of the CVC central venous catheter 1, preventing the overall catheter fixing clamp mechanism 2 from sliding on the outer wall of the CVC central venous catheter 1, when the catheter fixing upper plate 24 is installed, the inclined surface of the inclined clamping plate 244 can be pressed, the compression spring 242 in the spring cabin 241 is compressed by the pressing plate 243, when the catheter fixing upper plate 24 is completely clamped in the upper plate clamping groove 22, the rebound of the compression spring 242 can drive the pressing plate 243 to stably press the inclined clamping plate 244 outward, so that the inclined clamping plate 244 is clamped in the clamping plate groove 221, the horizontal surface on the top of the inclined clamping plate 244 is used for limiting, so as to maintain the clamping stability between the catheter fixing upper plate 24 and the catheter fixing lower plate 21, when the CVC central venous catheter 1 is removed, the cross-shaped non-woven fabric adhesive tape 331 is torn off, and the catheter fixing upper plate 24 and the catheter fixing lower plate 21 in the clamping state are disassembled.

[0031] The above has made a detailed description of the present application, but some modifications or improvements can be made on the basis of the present application, which is obvious to those skilled in the art. Therefore, the modifications or improvements without departing from the spirit of the present application are within the protection scope of the present application.

Claims

1. A CVC catheter anti-extrusion fixing device, comprising a CVC central venous catheter (1), characterized in that: The outer wall of the CVC central venous catheter (1) is provided with a catheter fixing clamp mechanism (2), the left and right sides of the catheter fixing clamp mechanism (2) are provided with anti-falling fixing mechanisms (3), the catheter fixing clamp mechanism (2) comprises a catheter fixing lower plate (21), the top of the catheter fixing lower plate (21) is provided with an upper plate clamping groove (22), the inner side of the upper plate clamping groove (22) is clamped with a catheter fixing upper plate (24), the left and right sides of the front end of the catheter fixing upper plate (24) are fixedly installed with connecting bands (23), the other ends of the two connecting bands (23) are fixedly connected with the front side of the catheter fixing lower plate (21), the top of the upper plate clamping groove (22) is provided with a front and rear through catheter clamping groove one (25), the bottom of the catheter fixing upper plate (24) is provided with a front and rear through catheter clamping groove two (26), the catheter clamping groove one (25) is aligned with the catheter clamping groove two (26) up and down, and the CVC central venous catheter (1) is located between the catheter clamping groove one (25) and the catheter clamping groove two (26).

2. The CVC catheter anti -falling fixing device according to claim 1, characterized in that: The catheter fixing lower plate (21) is provided with two front and rear through holes (211), the two anti-falling fixing mechanisms (3) each comprise a connecting rod (31), the two connecting rods (31) pass through the two through holes (211) respectively, and the front and rear ends of the connecting rod (31) are fixedly installed with U-shaped connecting bands (32), and the side, away from the catheter fixing lower plate (21), of the U-shaped connecting band (32) is provided with a cross-shaped positioning mechanism (33).

3. The CVC catheter anti -falling fixing device according to claim 2, characterized in that: The two cross-shaped positioning mechanisms (33) each comprise a cross-shaped non-woven fabric adhesive tape (331), the opposite ends of the two cross-shaped non-woven fabric adhesive tapes (331) are fixedly connected with the sides, away from the catheter fixing lower plate (21), of the two U-shaped connecting bands (32) respectively, the bottom of the cross-shaped non-woven fabric adhesive tape (331) is fixedly bonded with a bonding layer (332), and the bottom of the bonding layer (332) is fixedly bonded with a silicone oil paper (333).

4. The CVC catheter anti -falling fixing device according to claim 3, characterized in that: The side, away from the U-shaped connecting band (32), of the silicone oil paper (333) is fixedly connected with an extension paper (334), and the top of the cross-shaped non-woven fabric adhesive tape (331) is fixedly installed with a release paper (335).

5. The CVC catheter anti -falling fixing device according to claim 1, characterized in that: The inner side of the catheter clamping groove one (25) is fixedly bonded with a rubber pad one (251), the inner side of the catheter clamping groove two (26) is fixedly bonded with a rubber pad two (261), and the opposite surfaces of the rubber pad one (251) and the rubber pad two (261) are overlapped with the outer wall of the CVC central venous catheter (1).

6. The CVC catheter anti -falling fixing device according to claim 1, characterized in that: Both sides of the upper plate card slot (22) are provided with card slot (221), the catheter fixed upper plate (24) is provided with two spring cabins (241), two spring cabins (241) are respectively located on the left and right sides of the catheter card slot two (26), the inner wall of the spring cabin (241) is fixedly installed with a plurality of compression springs (242) on the side close to the catheter card slot two (26), the other end of the compression spring (242) is fixedly installed with a pressing plate (243), the upper and lower sides of the pressing plate (243) are respectively overlapped with the upper and lower sides of the inner wall of the spring cabin (241), and the side, away from the compression spring (242), of the pressing plate (243) is fixedly installed with an inclined card plate (244), one end of two inclined card plates (244), away from the pressing plate (243), penetrates to the left and right sides of the catheter fixed upper plate (24) and is clamped with the card slot (221).