Catheter fixator with size convenient to adjust

Abstract

The utility model relates to the technical field of catheter fixers, and discloses a catheter fixer convenient to adjust in size, which comprises a sticker, a fixing device is arranged above the sticker, and the fixing device comprises a rotating part; the rotating part comprises a mounting plate, a baffle and a limiting rod; a rotating groove is formed in the bottom surface of the mounting plate. According to the catheter fixator convenient to adjust in size, by arranging a T-shaped sliding block, a first spring, a first screw rod, an adjusting plate, a connecting plate, an L-shaped plate and an extrusion block, the T-shaped sliding block is pushed to move towards the left side through the elastic force of the first spring, a catheter is extruded and positioned through the left end face of the extrusion block and the inner wall of the L-shaped plate, meanwhile, the catheter fixator can clamp catheters of different thicknesses, and the catheter fixator is convenient to use. When the guide pipe is installed, only the connecting plate needs to be pulled rightwards, the guide pipe is placed on the inner side of the L-shaped plate, and when guide pipes with different thicknesses are clamped and positioned, the first screw rod is rotated, the position of the adjusting plate is adjusted, the compression amount of the first spring is adjusted, and the clamping force of the device on the guide pipe is adjusted.

Description

TECHNICAL FIELD

[0001] The utility model relates to a catheter fixing device technical field, specifically be convenient for the catheter fixing device of adjusting size. BACKGROUND

[0002] The catheter fixing device has the characteristics of good air permeability, long sticking, strong elasticity, prevention of liquid intrusion, is widely used for the fixation of various puncture needle protection, indwelling needle fixation and intravenous catheter, medical drainage catheter, reduces the infection probability and other complications of patient caused by catheter shedding, and reduces the nursing burden.

[0003] A catheter fixing device for strengthening catheter fixation is disclosed in Chinese Patent Publication No. CN215024905U, which includes a gasket, a paste layer is provided at the bottom of the gasket, an installation plate is provided at the top of the paste layer, the installation plate is rotatably connected with the paste layer, a fixing assembly is provided on the installation plate, and a limiting assembly for limiting the installation plate is provided on the gasket; the fixing assembly is used for fixing the catheter, and includes a fixing sleeve provided at the top of the installation plate, the fixing sleeve is rotatably connected with the installation plate through a hinge, a connecting plate is provided on the side of the fixing sleeve away from the hinge, a fixing rod is provided at the top of the installation plate corresponding to the position below the connecting plate, and the limiting assembly includes a plurality of clamping grooves evenly provided on the outer periphery of the installation plate, and a connecting rod connected with the gasket is provided on one side of the installation plate. By providing the fixing assembly, different types of catheters can be fixed, and the device has high practicability.

[0004] However, the following disadvantages still exist: the device uses a fixing sleeve and an installation plate to clamp and position the catheter, but the device cannot clamp different thickness catheters, and when a thinner catheter needs to be fixed, the catheter fixing device cannot be used, so the practicability of the device is low. Therefore, we propose a catheter fixing device for conveniently adjusting the size to solve this problem. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a catheter fixing device for conveniently adjusting the size to solve the problems in the background art.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a catheter fixing device for conveniently adjusting the size, including a sticker, a fixing device is provided above the sticker, the fixing device includes a rotating part;

[0007] The rotating part includes an installation plate, a baffle and a limiting rod, a rotating groove is formed in the bottom surface of the installation plate, the limiting rod extends to the inside of the rotating groove by sliding through the left end surface of the installation plate from the right end surface of the limiting rod, and the left end surface of the limiting rod is fixedly connected with the right end surface of the baffle;

[0008] A positioning part is provided above the installation plate;

[0009] The positioning part comprises a T-shaped slider, an L-shaped plate, a pressing block, a back-shaped frame and a second screw rod, the bottom surface of the back-shaped frame is fixedly connected with the top surface of the mounting plate, the bottom end of the second screw rod is rotatably connected with the top surface of the back-shaped frame through a bearing and extends into the back-shaped frame, the top surface of the mounting plate is provided with a groove, the inner wall of the groove is provided with a T-shaped sliding groove, the T-shaped sliding groove is vertically arranged on the top surface of the mounting plate, the T-shaped slider is arranged in the T-shaped sliding groove, the bottom surface of the L-shaped plate is fixedly connected with the top surface of the mounting plate, and the bottom surface of the pressing block is fixedly connected with the top surface of the T-shaped slider.

[0010] Further improvement lies in that the rotating part further comprises a fixing plate, a rotating shaft, a chuck and a second spring, the bottom surface of the chuck is fixedly connected with the top surface of the rotating shaft, the top surface of the fixing plate is fixedly connected with the bottom surface of the rotating shaft, and the top end of the chuck extends into the rotating groove and is rotatably connected with the inner wall of the rotating groove, so that the mounting plate can be rotated and the installation angle of the catheter is adjusted by arranging the chuck, the rotating shaft and the fixing plate.

[0011] Further improvement lies in that the outer surface of the chuck is provided with a clamping groove, the right end of the limiting rod extends into the clamping groove, the right end of the second spring is fixedly connected with the left end surface of the mounting plate, and the left end of the second spring is fixedly connected with the right end surface of the baffle, so that the limiting rod clamps the chuck and the mounting plate is positioned by the pulling force of the second spring.

[0012] Further improvement lies in that the positioning part further comprises a first spring, a first screw rod, an adjusting plate, a connecting plate and a pressing plate, the right end of the first spring is fixedly connected with the left end surface of the adjusting plate, and the left end of the first spring is fixedly connected with the right end surface of the T-shaped slider, so that the pressing block and the L-shaped plate clamp the catheter by the elastic force of the first spring by arranging the first spring, the pressing block, the L-shaped plate and the adjusting plate.

[0013] Further improvement lies in that the L-shaped plate and the pressing block are arranged in a staggered manner, and the left end surface of the connecting plate is fixedly connected with the right end surface of the pressing block, so as to facilitate the clamping of the device on the catheter.

[0014] Further improvement lies in that the left end of the first screw rod is rotatably connected with the right end surface of the adjusting plate through a bearing seat, and the outer surface of the right end of the first screw rod is threadedly connected with the inner wall of the mounting plate and extends to the right side of the mounting plate, so as to facilitate the adjustment of the position of the adjusting plate, the compression amount of the first spring and the clamping force of the device on the catheter.

[0015] Further improvement lies in that the pressing plate is threadedly connected with the outer surface of the second screw rod, and the right end of the pressing plate extends to the right side of the back-shaped frame, so as to rotate the second screw rod, press the catheter downward by the pressing plate, and adjust the liquid outlet speed of the catheter by arranging the pressing plate, the second screw rod and the back-shaped frame.

[0016] Compared with the prior art, the beneficial effects of the utility model are: the convenient-to-adjust-size catheter fixing device is provided with a T-shaped sliding block, a first spring, a first screw rod, an adjusting plate, a connecting plate, an L-shaped plate and an extruding block, the elastic force of the first spring is utilized to push the T-shaped sliding block to move to the left side, the left end surface of the extruding block is extruded against the inner wall of the L-shaped plate to position the catheter, meanwhile, the device can clamp catheters of different thicknesses, when installing the catheter, only need to pull the connecting plate to the right, and the catheter can be prevented in the inner side of the L-shaped plate, when clamping and positioning the catheter of different thicknesses, rotate the first screw rod, adjust the position of the adjusting plate, adjust the compression amount of the first spring, and adjust the clamping force of the device on the catheter; the device can adjust the flow of the catheter by setting a pressing plate, a back-shaped frame and a second screw rod, rotating the second screw rod drives the pressing plate to move downward, the pressing plate is utilized to extrude the catheter, the device can adjust the flow of the catheter; the device can keep the mounting plate stable by setting a fixing plate, a rotating shaft, a chuck, a mounting plate, a baffle, a second spring and a limiting rod, the mounting plate rotates along the outer surface of the chuck, changes the positioning direction of the device on the catheter, the limiting rod is connected with the chuck by the pulling force of the second spring, and the mounting plate is kept stable. BRIEF DESCRIPTION OF DRAWINGS

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

[0018] Figure 2 It is a three-dimensional structure front cross-sectional view of the utility model;

[0019] Figure 3 It is Figure 2 It is a structure enlarged view of A in the middle;

[0020] Figure 4 It is a three-dimensional structure right side cross-sectional view of the utility model;

[0021] Figure 5 It is a three-dimensional structure schematic view of the mounting plate of the utility model.

[0022] In the drawing: 1 sticker, 2 fixing device, 21 positioning part, 22 rotating part, 211 T-shaped sliding block, 212

[0023] First spring, 213 first screw rod, 214 adjusting plate, 215 connecting plate, 216 pressing plate, 217 back-shaped frame, 218 L-shaped plate, 219 extruding block, 210 second screw rod, 221 fixing plate, 222 rotating shaft, 223 chuck, 224 mounting plate, 225 baffle, 226 second spring, 227 limiting rod. DETAILED DESCRIPTION

[0024] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be described clearly and completely. Obviously, the described embodiments are only some of the embodiments of the present application, but not all the embodiments. Based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art without creative efforts belong to the scope of protection of the present application.

[0025] Please refer to Figures 1-5 The present application provides a technical solution: a catheter fixing device convenient to adjust size, comprising a sticker 1, a fixing device 2 is arranged above the sticker 1, the fixing device 2 comprises a rotating part 22;

[0026] The rotating part 22 comprises a mounting plate 224, a baffle 225 and a limiting rod 227, the bottom surface of the mounting plate 224 is provided with a rotating groove, the outer surface of the right end of the limiting rod 227 is slidably penetrated through the left end surface of the mounting plate 224 and extends into the rotating groove, the left end surface of the limiting rod 227 is fixedly connected with the right end surface of the baffle 225, and the rotating part 22 further comprises a fixed plate 221, a rotating shaft 222, a chuck 223 and a second spring 226;

[0027] The bottom surface of the chuck 223 is fixedly connected with the top surface of the rotating shaft 222, the top surface of the fixed plate 221 is fixedly connected with the bottom surface of the rotating shaft 222, the outer surface of the top end of the chuck 223 extends into the rotating groove and is rotatably connected with the inner wall of the rotating groove, the outer surface of the chuck 223 is provided with a clamping groove, and the right end of the limiting rod 227 extends into the clamping groove;

[0028] The right end of the second spring 226 is fixedly connected with the left end surface of the mounting plate 224, and the left end of the second spring 226 is fixedly connected with the right end surface of the baffle 225, through the arrangement of the fixed plate 221, the rotating shaft 222, the chuck 223, the mounting plate 224, the baffle 225, the second spring 226 and the limiting rod 227, the mounting plate 224 rotates along the outer surface of the chuck 223, the positioning direction of the device to the catheter is changed, the limiting rod 227 is clamped with the chuck 223 by using the pulling force of the second spring 226, and the mounting plate 224 is kept stable;

[0029] The mounting plate 224 is provided with a positioning part 21 above;

[0030] The positioning part 21 comprises a T-shaped slider 211, an L-shaped plate 218, a pressing block 219, a back-shaped frame 217 and a second screw 210. The bottom surface of the back-shaped frame 217 is fixedly connected with the top surface of a mounting plate 224. The bottom end of the second screw 210 is rotatably penetrated through the top surface of the back-shaped frame 217 and extends into the back-shaped frame 217. The top surface of the mounting plate 224 is provided with a groove. The inner wall of the groove is provided with a T-shaped sliding groove which is penetratingly arranged above the mounting plate 224. The T-shaped slider 211 is arranged in the T-shaped sliding groove. The bottom surface of the L-shaped plate 218 is fixedly connected with the top surface of the mounting plate 224. The bottom surface of the pressing block 219 is fixedly connected with the top surface of the T-shaped slider 211. The positioning part 21 further comprises a first spring 212, a first screw 213, an adjusting plate 214, a connecting plate 215 and a pressing plate 216.

[0031] The right end of the first spring 212 is fixedly connected with the left end surface of the adjusting plate 214. The left end of the first spring 212 is fixedly connected with the right end surface of the T-shaped slider 211. The L-shaped plate 218 and the pressing block 219 are arranged in a front-rear staggered manner. The left end surface of the connecting plate 215 is fixedly connected with the right end surface of the pressing block 219.

[0032] The left end of the first screw 213 is rotatably connected with the right end surface of the adjusting plate 214 through a bearing seat. The right end outer surface of the first screw 213 is threadedly penetrated through the inner wall of the mounting plate 224 and extends to the right side of the mounting plate 224. By arranging the T-shaped slider 211, the first spring 212, the first screw 213, the adjusting plate 214, the connecting plate 215, the L-shaped plate 218 and the pressing block 219, the elastic force of the first spring 212 is utilized to push the T-shaped slider 211 to move to the left side, so that the left end surface of the pressing block 219 is pressed against the inner wall of the L-shaped plate 218 to position the catheter. Meanwhile, the device can clamp different thickness catheters. When clamping and positioning different thickness catheters, the first screw 213 is rotated to adjust the position of the adjusting plate 214 and the compression amount of the first spring 212, so as to adjust the clamping force of the device on the catheter.

[0033] The pressing plate 216 is threadedly sleeved on the outer surface of the second screw 210. The right end of the pressing plate 216 extends to the right side of the back-shaped frame 217. By arranging the pressing plate 216, the back-shaped frame 217 and the second screw 210, the second screw 210 is rotated to drive the pressing plate 216 to move downward, so as to press the catheter by the pressing plate 216, so that the device can adjust the flow of the catheter.

[0034] In use, the connecting plate 215 is pulled to the right, the connecting plate 215 drives the extrusion block 219 and the T-shaped slider 211 to move to the right, at this time the first spring 212 is shortened, the middle part of the catheter is placed in the L-shaped plate 218, the connecting plate 215 is released, the first spring 212 is stretched, the extrusion block 219 extrudes the catheter to the left, the first screw rod 213 is rotated, the first screw rod 213 drives the adjusting plate 214 to move, the compression amount of the first spring 212 is observed, the clamping force of the device on the catheter is judged, the baffle 225 and the limiting rod 227 are pulled to the left, the mounting plate 224 is rotated, the clamping angle of the device on the catheter can be changed.

[0035] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A catheter securement which facilitates size adjustment, comprising a sticker (1), characterised in that: A fixing device (2) is arranged above the sticker (1), and the fixing device (2) comprises a rotating part (22); The rotating part (22) comprises a mounting plate (224), a baffle (225) and a limiting rod (227), a rotating groove is formed in the bottom surface of the mounting plate (224), the limiting rod (227) extends to the inside of the rotating groove through the left end surface of the mounting plate (224), and the left end surface of the limiting rod (227) is fixedly connected with the right end surface of the baffle (225). A positioning part (21) is arranged above the mounting plate (224). The positioning part (21) comprises a T-shaped sliding block (211), an L-shaped plate (218), an extrusion block (219), a back-shaped frame (217) and a second screw rod (210), the bottom surface of the back-shaped frame (217) is fixedly connected with the top surface of the mounting plate (224), the bottom end of the second screw rod (210) extends to the inside of the back-shaped frame (217) through the bearing rotatingly penetrating the top surface of the back-shaped frame (217), a groove is formed in the top surface of the mounting plate (224), a T-shaped sliding groove is formed in the inner wall of the groove, the T-shaped sliding groove is arranged through the top surface of the mounting plate (224), the T-shaped sliding block (211) is arranged in the T-shaped sliding groove, the bottom surface of the L-shaped plate (218) is fixedly connected with the top surface of the mounting plate (224), and the bottom surface of the extrusion block (219) is fixedly connected with the top surface of the T-shaped sliding block (211).

2. A size adjustable catheter securement device according to claim 1, wherein: The rotating part (22) further comprises a fixing plate (221), a rotating shaft (222), a chuck (223) and a second spring (226), the bottom surface of the chuck (223) is fixedly connected with the top surface of the rotating shaft (222), the top surface of the fixing plate (221) is fixedly connected with the bottom surface of the rotating shaft (222), and the top end of the chuck (223) extends to the inside of the rotating groove and is rotationally connected with the inner wall of the rotating groove.

3. A size adjustable catheter securement device according to claim 2, wherein: A clamping groove is formed in the outer surface of the chuck (223), the right end of the limiting rod (227) extends to the inside of the clamping groove, the right end of the second spring (226) is fixedly connected with the left end surface of the mounting plate (224), and the left end of the second spring (226) is fixedly connected with the right end surface of the baffle (225).

4. The size adjustable catheter securement device of claim 1, wherein: The positioning part (21) further comprises a first spring (212), a first screw rod (213), an adjusting plate (214), a connecting plate (215) and a pressing plate (216), the right end of the first spring (212) is fixedly connected with the left end surface of the adjusting plate (214), and the left end of the first spring (212) is fixedly connected with the right end surface of the T-shaped sliding block (211).

5. A size adjustable catheter securement device as defined in claim 4, wherein: The L-shaped plate (218) and the extrusion block (219) are arranged in a front-rear staggered mode, and the left end surface of the connecting plate (215) is fixedly connected with the right end surface of the extrusion block (219).

6. A size adjustable catheter securement device as defined in claim 4, wherein: The left end of the first screw rod (213) is rotationally connected with the right end surface of the adjusting plate (214) through the bearing seat, and the right end of the first screw rod (213) extends to the right side of the mounting plate (224) through the threaded penetration of the outer surface of the mounting plate (224).

7. A size adjustable catheter securement device as defined in claim 4, wherein: The pressing plate (216) is threadedly arranged on the outer surface of the second screw rod (210), and the right end of the pressing plate (216) extends to the right side of the back-shaped frame (217).

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