Interventional catheter fixing mechanism

Abstract

The utility model provides an intervention catheter fixing mechanism which comprises a fixing base, a limiting assembly is arranged at the top end of the fixing base, and a measuring assembly is arranged in the limiting assembly. The limiting assembly comprises a first limiting plate fixedly connected to the top end of the fixing base, a connecting plate is fixedly connected to the position, located on one side of the first limiting plate, of the top end of the fixing base, a threaded rod is connected into the connecting plate in a threaded mode, and guide grooves are formed in the two sides of the fixing base. Compared with the prior art, the guide pipe fixing device has the advantages that a guide pipe is placed between the first limiting plate and the second limiting plate, it is guaranteed that one side of the guide pipe is attached to the first limiting plate, the first limiting plate and the second limiting plate are attached to the surface of the guide pipe in cooperation with the threaded rod, the connecting plate and the guide groove, and then the guide pipe can be preliminarily fixed; the balloon and the air delivery pipe are matched, so that the air bag is gradually attached to the surface of the catheter, and the catheter fixing effect is further improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to an intervention catheter fixing mechanism and belongs to the field of intervention treatment. BACKGROUND

[0002] Intervention treatment is a minimally invasive treatment method, which is operated in the human body through catheters and other small instruments to achieve the purpose of diagnosis and treatment. Compared with traditional surgical operation, this treatment method has the advantages of small trauma, fast recovery and short hospitalization time. Intervention catheter is one of the key medical instruments for implementing this technology. In order to enable the catheter to smoothly enter the body, the catheter located outside needs to be fixed by a fixing mechanism.

[0003] In the prior art, some fixing mechanisms need to place the catheter between two clamping plates before use, and cooperate with the spring to ensure that the two clamping plates can tightly adhere to the surface of the catheter, so as to complete the fixation of the catheter. However, in this fixing mode, the spring will cause extrusion to the catheter through the clamping plate, and the extrusion force is uncontrollable, which can easily cause the lumen inside the catheter to be blocked due to excessive extrusion, thereby affecting the delivery of drugs and the like. UTILITY MODEL CONTENT

[0004] In view of the deficiencies in the prior art, the utility model aims to provide an intervention catheter fixing mechanism to solve the problems in the background art.

[0005] In order to achieve the above-mentioned purpose, the utility model is implemented by the following technical scheme: an intervention catheter fixing mechanism, comprising a fixing seat, a limiting assembly is arranged at the top end of the fixing seat, and a measuring assembly is arranged in the limiting assembly;

[0006] The limiting assembly comprises a first limiting plate fixedly connected to the top end of the fixing seat, a connecting plate is fixedly connected to one side of the top end of the fixing seat, a threaded rod is screwedly connected in the connecting plate, a second limiting plate is rotatably connected to one end of the threaded rod, guide grooves are formed in both sides of the fixing seat, the second limiting plate is slidably connected with the guide grooves, air bags are fixedly connected to one side of the first limiting plate and the second limiting plate, a balloon is movably connected to the top end of the fixing seat, a gas delivery tube is fixedly connected to one side of the balloon, and the gas delivery tube is fixedly connected with the air bag.

[0007] Further, the measuring assembly comprises a branch pipe fixedly connected to the surface of the gas delivery tube, a housing is fixedly connected to one side of the branch pipe, a return spring is fixedly connected to the inner wall of the housing, one end of the return spring is fixedly connected to a measuring plate, the measuring plate is slidably connected with the housing, an observation window is fixedly connected to one side of the housing, and a scale is fixedly connected to the surface of the observation window.

[0008] Further, the air bag side is fixedly connected with an anti-skid layer, the size of the anti-skid layer is consistent with the size of the air bag.

[0009] Further, the measuring plate side is fixedly connected with a sealing ring, the sealing ring is attached with the shell inner wall.

[0010] Further, the fixed seat top end is fixedly connected with a bracket below the balloon, and the bracket and the balloon are movably connected.

[0011] Further, the fixed seat two sides are fixedly connected with a bandage, the bandage one side is fixedly connected with a magic mother paste, and the bandage other side is fixedly connected with a magic son paste matched with the magic mother paste.

[0012] The utility model discloses beneficial effects: the catheter is placed between the first limit board and the second limit board and guarantees that the catheter one side is pasted first limit board, cooperation screw rod, connecting plate and guide groove will make first limit board and second limit board paste on the catheter surface, can carry out the primary fixed of catheter to the ballon and gas pipe, will make the air bag gradually with the catheter surface and be pasted, thereby further improved the effect of fixed catheter,

[0013] In the process of inflating the air bag, the airflow will enter the shell through the branch pipe fixed on the surface of the gas pipe, and the gas flow in the air bag can be known by cooperating with the measuring plate, the reset spring and the observation window, so that the extrusion force on the catheter can be accurately controlled by adjusting the gas flow in the air bag. BRIEF DESCRIPTION OF DRAWINGS

[0014] Other features, objects and advantages of the utility model will become more apparent through reading the following detailed description of non-restrictive embodiments with reference to the accompanying drawings:

[0015] Fig. 1 It is overall structure schematic view of the utility model a kind of interventional catheter fixing mechanism;

[0016] Fig. 2 It is side view structure schematic view of the utility model a kind of interventional catheter fixing mechanism;

[0017] Fig. 3 It is measuring assembly structure schematic view of the utility model a kind of interventional catheter fixing mechanism.

[0018] In the drawings: 1, fixed seat;2, limit component;21, first limit board;22, connecting plate;23, screw rod;24, second limit board;25, guide groove;26, air bag;27, balloon;28, gas pipe;3, measuring component;31, branch pipe;32, shell;33, reset spring;34, measuring plate;35, observation window;4, anti-skid layer;5, sealing ring;6, bracket;7, bandage;8, magic mother paste;9, magic son paste. DETAILED DESCRIPTION

[0019] In order to make the technical means, creative features, purposes and effects of the utility model easy to understand, the utility model is further described below in combination with specific embodiments.

[0020] Please refer to Figs. 1-3 The utility model provides a technical scheme: an interventional catheter fixing mechanism, including fixed base 1, the top of fixed base 1 is provided with limiting assembly 2, limiting assembly 2 is provided with measuring assembly 3 in it;

[0021] Limiting assembly 2 includes the first limiting plate 21 fixedly connected in the top of fixed base 1, the top of fixed base 1 is fixedly connected with connecting plate 22 on the side of first limiting plate 21, the threaded rod 23 is screw connected in connecting plate 22, the second limiting plate 24 is rotatably connected in one end of threaded rod 23, the guide slot 25 is set up in the both sides of fixed base 1, and the second limiting plate 24 is slidably connected with the guide slot 25, the air bag 26 is fixedly connected in the side of first limiting plate 21 and the side of second limiting plate 24, the balloon 27 is movably connected in the top of fixed base 1, the gas pipe 28 is fixedly connected in the side of balloon 27, and the gas pipe 28 is fixedly connected with air bag 26.

[0022] The catheter is placed between the first limiting plate 21 and the second limiting plate 24, and the catheter side is ensured to be attached to the first limiting plate 21, which is combined with the threaded rod 23, the connecting plate 22 and the guide slot 25 to make the first limiting plate 21 and the second limiting plate 24 attached to the surface of the catheter, so that the catheter can be preliminarily fixed, and the balloon 27 and the gas pipe 28 are matched to make the air bag 26 gradually attached to the surface of the catheter, thereby further improving the fixing effect of the catheter.

[0023] Please refer to Figs. 1-3 The utility model provides a technical scheme: measuring assembly 3 includes the branch pipe 31 fixedly connected on the surface of gas pipe 28, the shell 32 is fixedly connected in the side of branch pipe 31, the reset spring 33 is fixedly connected on the inner wall of shell 32, the other end of reset spring 33 is fixedly connected with measuring plate 34, and the shell 32 is slidably connected with measuring plate 34, the observation window 35 is fixedly connected in the side of shell 32, and the scale is fixedly connected on the surface of observation window 35.

[0024] In the process of inflating the air bag 26, the airflow will enter the shell 32 through the branch pipe 31 fixed on the surface of the gas pipe 28, and the gas supply amount in the air bag 26 can be known by cooperating with the measuring plate 34, the reset spring 33 and the observation window 35, so that the extrusion force on the catheter can be accurately controlled by adjusting the gas supply amount in the air bag 26.

[0025] The air bag 26 is fixedly connected with an anti-skid layer 4 on one side, and the size of the anti-skid layer 4 is consistent with that of the air bag 26. By arranging the anti-skid layer 4, the friction between the air bag 26 and the catheter can be increased, so that the fixing effect on the catheter is further improved.

[0026] The sealing ring 5 is fixedly connected with the measuring plate 34 on the side, and the sealing ring 5 is in close contact with the inner wall of the shell 32. By arranging the sealing ring 5, the sealing between the measuring plate 34 and the shell 32 can be improved.

[0027] The bracket 6 is fixedly connected with the fixed seat 1 on the top below the balloon 27, and the bracket 6 is movably connected with the balloon 27. By arranging the bracket 6, the balloon 27 placed on the top of the fixed seat 1 can be limited, so that the balloon 27 is prevented from separating from the top of the fixed seat 1.

[0028] The fixed seat 1 is fixedly connected with the bandage 7 on both sides, the magic mother sticker 8 is fixedly connected with one side of the bandage 7, and the magic son sticker 9 matched with the magic mother sticker 8 is fixedly connected with the other side of the bandage 7. The fixed seat 1 can be fixed to the patient's hand by winding the bandage 7 around the patient's hand and cooperating with the magic mother sticker 8 and the magic son sticker 9 fixed on the surface of the bandage 7.

[0029] Specific implementation: in use, first, the bandage 7 is wound around the patient's hand, and the fixed seat 1 is fixed to the patient's hand by cooperating with the magic mother sticker 8 and the magic son sticker 9 fixed on the surface of the bandage 7, then the catheter is placed between the first limiting plate 21 and the second limiting plate 24 and ensured to be attached to the first limiting plate 21 on one side, then the threaded rod 23 is rotated to move along the connecting plate 22 fixed on the top of the fixed seat 1 towards the catheter, thereby driving the second limiting plate 24 connected with the threaded rod 23 to move along the guide groove 25 opened on both sides of the fixed seat 1 until the first limiting plate 21 and the second limiting plate 24 are attached to the surface of the catheter, so that the catheter can be preliminarily fixed, then the balloon 27 is pressed to make the gas inlet pipe 28 connected therewith input gas into the air bag 26 fixed on one side of the first limiting plate 21 and the second limiting plate 24, and as the gas amount in the air bag 26 increases, the air bag 26 will gradually attach to the surface of the catheter, so that the fixing effect on the catheter is further improved;

[0030] During the inflation of the air bag 26, the airflow will enter the shell 32 through the branch pipe 31 fixed on the surface of the gas inlet pipe 28, and as the gas input amount increases, the gas entering the shell 32 will push the measuring plate 34 to slide along the inner wall of the shell 32 away from the branch pipe 31 and press the return spring 33, and the gas input amount in the air bag 26 can be known by observing the movement of the measuring plate 34 in the shell 32 through the observation window 35 arranged on one side of the shell 32, so that the gas input amount in the air bag 26 is adjusted to accurately control the extrusion force on the catheter.

[0031] Furthermore, it should be understood that although the specification is described in terms of embodiments, not every embodiment includes every feature described. The specification can include implicit combinations of explicitly mentioned features and / or explicit combinations of implicitely mentioned features. Each embodiment depends on the explicit combinations of features and / or the implicit combinations of features made specifically within that embodiment, and each such embodiment can be combined with every other such embodiment to create further embodiments.

Claims

1. An interventional catheter securing mechanism, characterized by: Including fixed seat (1), the fixed seat (1) top end is provided with limit component (2), the limit component (2) is provided with measuring component (3) in; The limit component (2) includes the first limit board (21) fixedly connected to the top end of the fixed seat (1), the top end of the fixed seat (1) is fixedly connected with the connecting plate (22) on one side of the first limit board (21), the connecting plate (22) is screwedly connected with the threaded rod (23), one end of the threaded rod (23) is rotatably connected with the second limit board (24), the fixed seat (1) is provided with the guide slot (25) on both sides, the second limit board (24) and the guide slot (25) are slidably connected, the first limit board (21) and the second limit board (24) are fixedly connected with the air bag (26) on one side, the top end of the fixed seat (1) is movably connected with the balloon (27), one side of the balloon (27) is fixedly connected with the gas pipe (28), and the gas pipe (28) and the air bag (26) are fixedly connected.

2. An interventional catheter securing mechanism according to claim 1, characterized in that: The measuring component (3) includes the branch pipe (31) fixedly connected to the surface of the gas pipe (28), one side of the branch pipe (31) is fixedly connected with the shell (32), the reset spring (33) is fixedly connected to the inner wall of the shell (32), the other end of the reset spring (33) is fixedly connected with the measuring plate (34), the measuring plate (34) and the shell (32) are slidably connected, one side of the shell (32) is fixedly connected with the observation window (35), and the observation window (35) is fixedly connected with the scale on the surface.

3. An interventional catheter securing mechanism according to claim 1, wherein: One side of the air bag (26) is fixedly connected with the antiskid layer (4), and the size of the antiskid layer (4) is consistent with the size of the air bag (26).

4. An interventional catheter securing mechanism according to claim 2, wherein: The measuring plate (34) is fixedly connected with the sealing ring (5) on the side, and the sealing ring (5) is attached to the inner wall of the shell (32).

5. An interventional catheter securing mechanism according to claim 1, wherein: The top end of the fixed seat (1) is fixedly connected with the bracket (6) below the balloon (27), and the bracket (6) and the balloon (27) are movably connected.

6. An interventional catheter securing mechanism according to claim 1, wherein: The fixed seat (1) is fixedly connected with the bandage (7) on both sides, the magic mother sticker (8) is fixedly connected on one side of the bandage (7), and the magic son sticker (9) matched with the magic mother sticker (8) is fixedly connected on the other side of the bandage (7).

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