Deep venous catheter fixing device

Abstract

According to the technical scheme, the deep venous catheter fixing device is characterized in that the deep venous catheter fixing device comprises a first protective shell, the first protective shell is connected with a second protective shell through an adjusting assembly, the bottom of the second protective shell is provided with a fixing mechanism used for clamping a catheter, and the two sides of the first protective shell are symmetrically connected with blocking pieces; brooch needles are installed at the bottoms of the two blocking pieces respectively, one side of the first protective shell is connected with a limiting plate through an elastic belt, limiting pipes are symmetrically connected to the limiting plate, medical adhesive tape is arranged on the bottom side of the limiting plate, and a film is pasted to the surface of the medical adhesive tape. The utility model has the technical effects that the probability that the catheter is in contact with bacteria is reduced, and the catheter is moved out of clothes to be placed, so that the use is convenient, and a patient keeps comfortable.

Description

Technical Field

[0001] The utility model relates to the technical field of medical equipment, in particular to a deep vein catheter fixing device. Background Art

[0002] Deep venous catheterization is widely used in clinical practice due to its advantages such as long retention time, wide range of infusion types, and good catheter elasticity. For example, deep venous catheters are widely used for continuous or intermittent intravenous infusion, central venous pressure monitoring, intravenous nutrition therapy, and blood or blood product transfusions in critically ill patients and major surgery patients.

[0003] Chinese patent publication number CN215690894U discloses a deep vein catheter fixing device, including a sleeve installed on a fixing plate, an auxiliary cylinder for support is fixedly connected to the surface of the sleeve, a clamping structure is provided inside the auxiliary cylinder, a rotatable connecting cylinder is threadedly connected to the interior of the sleeve, a blocking structure is provided inside the connecting cylinder, and both ends of the fixing plate are connected to detachable straps through a plug-in structure.

[0004] In the above patent, the catheter is fixed by a sleeve, and the device is fixed to the patient by a strap. Since the deep vein catheter is usually installed at the patient's neck, when the patient wears more clothes, if the catheter is completely hidden in the clothes, it will cause discomfort to the patient. If the catheter is placed outside the clothes, it will not only be inconvenient to fix it with the strap, but also easily expose the catheter, increasing the chance of the catheter and the increase of external bacteria. Utility Model Content

[0005] The utility model aims to provide a deep vein catheter fixing device, which has the advantages of reducing the probability of the catheter contacting bacteria and removing the catheter from clothing for placement, which is not only convenient for use but also keeps the patient comfortable.

[0006] The above technical objectives of the utility model are achieved through the following technical solutions: a deep vein catheter fixing device, comprising a first protective shell, a second protective shell is connected to the first protective shell through an adjustment component, a fixing mechanism for clamping the catheter is provided at the bottom of the second protective shell, baffles are symmetrically connected to both sides of the first protective shell, brooches are respectively installed at the bottom of the two baffles, one side of the first protective shell is connected to a limit plate through an elastic band, a limit tube is symmetrically connected to the limit plate, and a medical tape is provided on the bottom side of the limit plate, and a film is adhered to the surface of the medical tape.

[0007] The utility model is further configured as follows: the adjustment component includes a hollow tube fixedly connected to the first protective shell, a slide groove is provided on the surface of the hollow tube along the height direction, a push rod is slidably connected inside the hollow tube, the top side of the push rod is rotatably connected to the second protective shell, positioning grooves connected to the slide groove are symmetrically provided on the surface of the hollow tube, and a protrusion in the sliding groove is provided at the bottom of the push rod.

[0008] The utility model is further configured as follows: an extension tube is symmetrically connected to the edge of the first protective shell, and a sealing plate for sealing the extension tube is symmetrically installed on the second protective shell.

[0009] The utility model is further configured as follows: dovetail grooves are symmetrically provided on the second protective shell, and a dovetail block which is clamped with the dovetail groove is connected to the sealing plate.

[0010] The utility model is further configured as follows: the fixing mechanism comprises a fixing half ring symmetrically fixedly connected to the bottom side of the second protective shell, a plurality of extrusion springs are installed on the inner wall of the fixing half ring, and the ends of the plurality of extrusion springs are commonly connected to the inner plate.

[0011] The utility model is further configured as follows: an arc plate matching with the extension tube is connected to the second protective shell near the sealing plate.

[0012] In summary:

[0013] 1. A deep vein catheter fixing device, after sticking medical tape on the patient's neck, putting the catheter into a limiting tube, preliminarily fixing the catheter to prevent the catheter from being entangled, pulling the elastic band outward as needed, and buckling the first protective shell on the patient's clothes, putting the liquid inlet head of the catheter into the first protective shell, lowering the second protective shell, fixing the catheter with an inner plate, shielding the extension tube with a sealing plate, and then protecting the catheter in the first protective shell, reducing the probability of the catheter contacting bacteria, and at the same time moving the catheter out of the clothes for placement, which is not only convenient for use but also keeps the patient comfortable.

[0014] 2. This deep vein catheter fixing device, when the push rod slides upward, the second protective shell moves away from the first protective shell, and the push rod is fixed by the cooperation of the protrusion and the positioning groove, so that the second protective shell is stabilized on the upper side of the first protective shell. At this time, the catheter can be pulled outward for a distance, which is convenient for the use of the catheter. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the state of fixing the catheter of the overall structure of the utility model;

[0016] Figure 2 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 3 It is a partial schematic diagram of the elastic band structure of the utility model;

[0018] Figure 4 This is a schematic diagram of the first protective shell mechanism of the utility model;

[0019] Figure 5 For the utility model Figure 4 A schematic diagram of the structure at A;

[0020] Figure 6 It is a schematic plan view of the first protective shell structure of the utility model;

[0021] Figure 7 This is a schematic diagram of the disassembly of the second protective shell and the sealing plate structure of the utility model;

[0022] Figure 8 This is a schematic diagram of the inner plate structure of the utility model.

[0023] Figure numerals: 1. first protective shell; 11. baffle; 12. extension tube; 13. hollow tube; 14. push rod; 15. slide groove; 16. positioning groove; 17. brooch; 2. second protective shell; 21. dovetail groove; 22. arc plate; 23. fixed semi-ring; 24. extrusion spring; 25. inner plate; 3. sealing plate; 31. dovetail block; 4. elastic band; 5. limit plate; 51. limit tube; 52. medical tape; 53. film. DETAILED DESCRIPTION

[0024] The utility model is further described in detail below in conjunction with the accompanying drawings.

[0025] Example: Refer to Figure 1-8 As shown, a deep vein catheter fixing device comprises a first protective shell 1, and a second protective shell 2 is connected to the first protective shell 1 through an adjusting component, the adjusting component comprises a hollow tube 13 fixedly connected to the first protective shell 1, a slide groove 15 is provided on the surface of the hollow tube 13 along the height direction, a push rod 14 is slidably connected in the hollow tube 13, and the top side of the push rod 14 is rotatably connected to the second protective shell 2, and a positioning groove 16 connected to the slide groove 15 is symmetrically provided on the surface of the hollow tube 13, and a protrusion in the sliding slide groove 15 is provided at the bottom of the push rod 14, and a fixing mechanism for clamping the catheter is provided at the bottom of the second protective shell 2, baffles 11 are symmetrically connected to both sides of the first protective shell 1, and brooches 17 are respectively installed at the bottom of the two baffles 11, and one side of the first protective shell 1 is connected to a limit plate 5 through an elastic band 4, and a limit tube 51 is symmetrically connected to the limit plate 5, and a medical tape 52 is provided on the bottom side of the limit plate 5, and a film 53 is pasted on the surface of the medical tape 52;

[0026] Specifically, when the catheter needs to be fixed, the limiting plate 5 is attached to the patient's skin through the medical tape 52, and the catheter is fixed in the limiting tube 51, the elastic band 4 is stretched, and the first protective shell 1 is fixed to the patient's clothes through the brooch 17, and the liquid inlet end of the catheter is placed in the first protective shell 1. At this time, when the push rod 14 slides to the bottom end of the hollow tube 13, the push rod 14 is rotated to drive the protrusion to slide from the slide groove 15 to the positioning groove 16, and the push rod 14 is fixed, so that the first protective shell 1 and the second protective shell 2 are tightly connected, and the catheter is further fixed, so that the catheter fixing effect is better, so that the catheter is better installed on the patient.

[0027] Furthermore, an extension tube 12 is symmetrically connected to the edge of the first protective shell 1, a sealing plate 3 for sealing the extension tube 12 is symmetrically installed on the second protective shell 2, a dovetail groove 21 is symmetrically opened on the second protective shell 2, a dovetail block 31 engaged with the dovetail groove 21 is connected to the sealing plate 3, the catheter is passed through the extension tube 12, the sealing plate 3 seals the extension tube 12, the sealing plate 3 blocks the extension tube 12, and the catheter is protected in the first protective shell 1 and the second protective shell 2, the dovetail block 31 cooperates with the dovetail groove 21, and the sealing plate 3 is convenient and quick to install and remove the sealing plate 3.

[0028] Furthermore, the fixing mechanism includes a fixing half ring 23 symmetrically fixedly connected to the bottom side of the second protective shell 2, and a plurality of extrusion springs 24 are installed on the inner wall of the fixing half ring 23, and the ends of the plurality of extrusion springs 24 are commonly connected to an inner plate 25. When the first protective shell 1 is used to fit the second protective shell 2, the inner plate 25 is pushed to contact the catheter under the elastic force of the extrusion spring 24, so that the catheter is better fixed. An arc plate 22 that cooperates with the extension tube 12 is connected to the second protective shell 2 near the sealing plate 3, and the arc plate 22 cooperates with the extension tube 12 to facilitate the removal of the catheter.

[0029] Operation steps: When the catheter needs to be fixed, the limiting plate 5 is attached to the patient's skin through the medical tape 52, and the catheter is fixed in the limiting tube 51, the elastic band 4 is stretched, and the first protective shell 1 is fixed to the patient's clothes through the brooch 17, and the liquid inlet end of the catheter is placed in the first protective shell 1. At this time, when the push rod 14 slides to the bottom end of the hollow tube 13, the push rod 14 is rotated to drive the protrusion to slide from the slide groove 15 to the positioning groove 16, and the push rod 14 is fixed, so that the first protective shell 1 and the second protective shell 2 are tightly connected, and the catheter is further fixed, so that the catheter fixing effect is better, so that the catheter is better installed on the patient's body. On, the catheter is passed through the extension tube 12, and the sealing plate 3 seals the extension tube 12. The sealing plate 3 blocks the extension tube 12 and protects the catheter in the first protective shell 1 and the second protective shell 2. The dovetail block 31 cooperates with the dovetail groove 21 to facilitate the installation and removal of the sealing plate 3. When the first protective shell 1 is used to fit the second protective shell 2, the inner plate 25 is pushed to contact the catheter under the elastic force of the extrusion spring 24, so that the catheter is better fixed. An arc plate 22 that cooperates with the extension tube 12 is connected to the second protective shell 2 near the sealing plate 3. The arc plate 22 cooperates with the extension tube 12 to facilitate the removal of the catheter.

[0030] This specific embodiment is merely an explanation of the present invention and is not a limitation of the present invention. After reading this specification, those skilled in the art may make non-creative modifications to the present embodiment as needed, but such modifications are protected by patent law as long as they are within the scope of the claims of the present invention.

Claims

1. A deep vein catheter fixing device, characterized in that: The invention comprises a first protective shell (1), wherein the first protective shell (1) is connected to a second protective shell (2) via an adjustment component, the bottom of the second protective shell (2) is provided with a fixing mechanism for clamping a catheter, baffles (11) are symmetrically connected to both sides of the first protective shell (1), and brooches (17) are respectively installed at the bottoms of the two baffles (11), one side of the first protective shell (1) is connected to a limit plate (5) via an elastic band (4), a limit tube (51) is symmetrically connected to the limit plate (5), and a medical tape (52) is provided on the bottom side of the limit plate (5), and a film (53) is adhered to the surface of the medical tape (52).

2. A deep vein catheter fixing device according to claim 1, characterized in that: The adjustment assembly comprises a hollow tube (13) fixedly connected to the first protective shell (1), a slide groove (15) is provided on the surface of the hollow tube (13) along the height direction, a push rod (14) is slidably connected inside the hollow tube (13), the top side of the push rod (14) is rotatably connected to the second protective shell (2), a positioning groove (16) connected to the slide groove (15) is symmetrically provided on the surface of the hollow tube (13), and a protrusion in the sliding slide groove (15) is provided at the bottom of the push rod (14).

3. A deep vein catheter fixing device according to claim 1, characterized in that: An extension tube (12) is symmetrically connected to the edge of the first protective shell (1), and a sealing plate (3) for sealing the extension tube (12) is symmetrically mounted on the second protective shell (2).

4. A deep vein catheter fixing device according to claim 3, characterized in that: The second protective shell (2) is symmetrically provided with dovetail grooves (21), and the sealing plate (3) is connected with a dovetail block (31) that is clamped with the dovetail grooves (21).

5. A deep vein catheter fixing device according to claim 1, characterized in that: The fixing mechanism comprises a fixing half ring (23) symmetrically fixedly connected to the bottom side of the second protective shell (2), a plurality of extrusion springs (24) are installed on the inner wall of the fixing half ring (23), and the ends of the plurality of extrusion springs (24) are commonly connected to an inner plate (25).

6. A deep vein catheter fixing device according to claim 1, characterized in that: An arc plate (22) matching with the extension tube (12) is connected to the second protective shell (2) near the sealing plate (3).

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