Fixator for venous imbedding of central venous catheter

Abstract

The utility model discloses a fixing device for a venous imbedding central venous catheter, which comprises a fixing bandage, the fixing bandage is connected end to end, the upper surface of the fixing bandage is fixedly connected with a fixing seat, two ends of the upper surface of the fixing seat are movably connected with cover plates, the surface of the fixing seat is equidistantly provided with a plurality of groups of lower limiting grooves, and the lower limiting grooves are fixedly connected with the fixing seat. An upper limiting groove is formed in the position, corresponding to the lower limiting groove, of the lower surface of the cover plate, the lower limiting groove and the upper limiting groove are spliced to form a circular structure, and a hook-and-loop fastener is connected to the outer surface of one end of the fixing bandage in a sewn mode. The fixing bandage has the advantages that the fixing bandage is located on one side of the venous imbedding central venous catheter, the end of the catheter is placed in the lower limiting groove, the cover plate is turned over through the rotating shaft, and the lower limiting groove and the upper limiting groove are spliced to form a circular structure, so that the end of the catheter can be clamped through the lower limiting groove and the upper limiting groove, and the catheter can be fixed conveniently. And displacement of the catheter can be avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to a fixer, especially to a fixer for intravenous central venous catheter, belongs to medical equipment technical field. BACKGROUND

[0002] PICC refers to the central venous catheter from the peripheral venous puncture. It is a small, soft and elastic venous infusion catheter, which is placed from the superficial vein of the elbow or upper arm, then moves along the direction of the vein, and the catheter is finally sent to the large blood vessel close to the heart, the PICC catheter infusion is convenient, fast and safe, and it can be left in the body for about 1 year, which reduces the pain and discomfort of multiple venous punctures, effectively protects the peripheral vein, and realizes the whole process of "one needle treatment". The patient's cost is reduced by providing the patient with one catheter maintenance per week.

[0003] The existing intravenous central venous catheter is pasted on the skin by a medical waterproof tape during use, and the tube head is easily loosened when subjected to external force, thereby affecting the stability of the intravenous central venous catheter. To solve the above problems, the application provides a fixer for intravenous central venous catheter. CONTENT OF THE UTILITY MODEL

[0004] The utility model aims at solving the shortcomings in the prior art and provides a fixer for intravenous central venous catheter.

[0005] To achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] A fixer for intravenous central venous catheter is designed, which comprises a fixing bandage.

[0007] The upper surface of the fixing bandage is fixedly connected with a fixing seat, the both ends of the upper surface of the fixing seat are movably connected with a cover plate, a plurality of groups of lower limit grooves are equidistantly formed on the surface of the fixing seat, upper limit grooves are formed on the lower surface of the cover plate in position corresponding to the lower limit grooves, and the lower limit grooves and the upper limit grooves are spliced into a circular structure.

[0008] Preferably, a magic daughter patch is sewn on the outer surface of one end of the fixing bandage, a magic mother patch is sewn on the inner wall surface of the other end of the fixing bandage, and the magic mother patch is pasted to the magic daughter patch.

[0009] Preferably, a rotating shaft is arranged at each end of the upper surface of the fixing seat, and the both ends of the fixing seat are rotatably connected with the cover plate through the rotating shafts.

[0010] Preferably, one set of the cover plate surfaces is fixed with a locking buckle by bolts, and the other set of the cover plate surfaces is fixed with a locking hook by bolts.

[0011] Preferably, a lower rubber ring is movably provided in the inner cavity of the lower limiting groove, and an upper rubber ring is movably provided in the inner cavity of the upper limiting groove, wherein the upper rubber ring and the lower rubber ring are spliced ​​together to form a circular structure.

[0012] Preferably, a dovetail groove is provided in the middle of the inner wall of both the lower and upper limit grooves, and a dovetail seat is integrally formed on the outer wall surface of both the lower and upper rubber rings, with the dovetail seat inserted into the dovetail groove.

[0013] The present invention provides a fixator for a central venous catheter, which has the following advantages:

[0014] 1. In this invention, the fixing strap is located on one side of the central venous catheter inserted into the vein. The end of the catheter is placed in the lower limiting groove. The cover plate is flipped by the rotating shaft and hooked together by the buckle and the hook to fix the cover plate. The lower limiting groove and the upper limiting groove are spliced ​​into a circular structure, so that the end of the catheter can be clamped by the lower limiting groove and the upper limiting groove to prevent the catheter from shifting.

[0015] 2. In this new type, the lower rubber ring and the upper rubber ring can be inserted into the dovetail grooves on the inner walls of the lower limit groove and the upper limit groove through the dovetail seat, which can realize the quick assembly and disassembly of the lower rubber ring and the upper rubber ring through the dovetail seat. The lower rubber ring and the upper rubber ring can be spliced ​​into a circular structure. By matching the lower rubber ring and the upper rubber ring, the inner diameter of the circular structure spliced ​​by the lower limit groove and the upper limit groove can be adjusted so that conduits of different diameters can be clamped and fixed during use. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the overall structure of a fixator for a central venous catheter inserted into a vein, as proposed in this utility model.

[0017] Figure 2 This is a schematic diagram of the fixation base structure of a fixator for a central venous catheter inserted into a vein, as proposed in this utility model.

[0018] Figure 3 This is a schematic diagram of the cover opening structure of a fixator for a central venous catheter inserted into a vein, as proposed in this utility model.

[0019] Figure 4 This is a schematic diagram of the rubber ring structure of the fixator for a central venous catheter inserted into a vein, as proposed in this utility model.

[0020] In the diagram: 1. Fixing strap; 2. Velcro strap; 3. Velcro strap; 4. Fixing base; 5. Cover plate; 6. Lower limit groove; 7. Upper limit groove; 8. Rotating shaft; 9. Locking buckle; 10. Locking hook; 11. Lower rubber ring; 12. Upper rubber ring; 13. Dovetail base; 14. Dovetail groove. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0022] Reference Figures 1-4 A fixation device for a central venous catheter inserted into a vein includes a fixation strap 1, wherein the fixation strap 1 is connected end to end;

[0023] The upper surface of the fixing strap 1 is fixedly connected to the fixing seat 4, and the two ends of the upper surface of the fixing seat 4 are movably connected to the cover plate 5. The surface of the fixing seat 4 is provided with several sets of lower limit grooves 6 at equal intervals. The lower surface of the cover plate 5 is provided with an upper limit groove 7 at a position corresponding to the lower limit groove 6. The lower limit groove 6 and the upper limit groove 7 are spliced ​​together to form a circular structure.

[0024] It should be noted that the fixing strap 1 is located on the side of the central venous catheter inserted into the vein. The catheter tip is placed in the lower limiting groove 6, and the cover plate 5 is flipped by the rotating shaft 8 and hooked by the buckle 9 and the locking hook 10 to fix the cover plate 5. The lower limiting groove 6 and the upper limiting groove 7 are spliced ​​into a circular structure, so that the catheter tip can be clamped by the lower limiting groove 6 and the upper limiting groove 7 to prevent the catheter from shifting.

[0025] like Figure 1 As shown, a Velcro 2 is sewn onto the outer surface of one end of the fixing strap 1, and a Velcro 3 is sewn onto the inner wall surface of the other end of the fixing strap 1. The Velcro 3 is adhered to the Velcro 2.

[0026] It should be noted that the fastening strap 1 can be fixed to the wrist by attaching the Velcro 2 and Velcro 3 together.

[0027] like Figure 4 As shown, the upper surface of the fixed base 4 is provided with a rotating shaft 8 at both ends, and the two ends of the fixed base 4 are rotatably connected to the cover plate 5 through the rotating shaft 8.

[0028] It should be noted that the cover plate 5 can be flipped using the rotating shaft 8.

[0029] like Figure 2 As shown, one set of the cover plates 5 has a locking buckle 9 fixed to its surface by bolts, and the other set of the cover plates 5 has a locking hook 10 fixed to its surface by bolts.

[0030] It should be noted that the cover plate 5 can be locked by using the locking hook 10 and the locking buckle 9 together.

[0031] like Figure 3 and Figure 4 As shown, a lower rubber ring 11 is movably provided in the inner cavity of the lower limiting groove 6, and an upper rubber ring 12 is movably provided in the inner cavity of the upper limiting groove 7. The upper rubber ring 12 and the lower rubber ring 11 are spliced ​​together to form a circular structure. A dovetail groove 14 is provided in the middle of the inner wall of both the lower limiting groove 6 and the upper limiting groove 7. A dovetail seat 13 is integrally formed on the outer surface of both the lower rubber ring 11 and the upper rubber ring 12. The dovetail seat 13 is inserted into the dovetail groove 14.

[0032] It should be noted that the lower rubber ring 11 and the upper rubber ring 12 can be inserted into the dovetail groove 14 on the inner wall of the lower limiting groove 6 and the upper limiting groove 7 through the dovetail seat 13, which can realize the quick assembly and disassembly of the lower rubber ring 11 and the upper rubber ring 12 through the dovetail seat 13. The lower rubber ring 11 and the upper rubber ring 12 can be spliced ​​into a circular structure. By matching the lower rubber ring 11 and the upper rubber ring 12, the inner diameter of the circular structure spliced ​​by the lower limiting groove 6 and the upper limiting groove 7 can be adjusted so that conduits of different diameters can be clamped and fixed during use.

[0033] Working principle: During use, the fixing strap 1 can be secured to the wrist by attaching the Velcro 2 and Velcro 3 together. The fixing strap 1 is located on the side where the central venous catheter is inserted. The catheter tip is placed in the lower limiting groove 6. The cover plate 5 is flipped by the rotating shaft 8 and hooked by the locking buckle 9 and locking hook 10 to fix the cover plate 5. The lower limiting groove 6 and the upper limiting groove 7 are spliced ​​into a circular structure, which can clamp the catheter tip through the lower limiting groove 6 and the upper limiting groove 7 to prevent the catheter from shifting. The lower rubber ring 11 and the upper rubber ring 12 can be inserted into the dovetail groove 14 on the inner wall of the lower limiting groove 6 and the upper limiting groove 7 through the dovetail seat 13, which can realize the quick assembly and disassembly of the lower rubber ring 11 and the upper rubber ring 12 through the dovetail seat 13. The lower rubber ring 11 and the upper rubber ring 12 can be spliced ​​into a circular structure. By matching the lower rubber ring 11 and the upper rubber ring 12, the inner diameter of the circular structure spliced ​​by the lower limiting groove 6 and the upper limiting groove 7 can be adjusted so that conduits of different diameters can be clamped and fixed during use.

[0034] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A fixation device for a central venous catheter inserted into a vein, comprising a fixation strap (1), characterized in that, The fixing strap (1) is connected end to end; The upper surface of the fixing strap (1) is fixedly connected to a fixing seat (4), and the two ends of the upper surface of the fixing seat (4) are movably connected to a cover plate (5). The surface of the fixing seat (4) is provided with several sets of lower limit grooves (6) at equal intervals. The lower surface of the cover plate (5) is provided with an upper limit groove (7) corresponding to the position of the lower limit groove (6). The lower limit groove (6) and the upper limit groove (7) are spliced ​​together to form a circular structure. The lower limiting groove (6) is provided with a lower rubber ring (11) in its inner cavity, and the upper limiting groove (7) is provided with an upper rubber ring (12) in its inner cavity. The upper rubber ring (12) and the lower rubber ring (11) are spliced ​​together to form a circular structure. The lower limiting groove (6) and the upper limiting groove (7) are both provided with dovetail grooves (14) in the middle of their inner walls. The lower rubber ring (11) and the upper rubber ring (12) are both integrally formed with dovetail seats (13) on their outer wall surfaces. The dovetail seats (13) are inserted into the dovetail grooves (14).

2. The fixation device for a central venous catheter as described in claim 1, characterized in that, The outer surface of one end of the fixing strap (1) is sewn with a Velcro closure (2), and the inner surface of the other end of the fixing strap (1) is sewn with a Velcro closure (3). The Velcro closure (3) is attached to the Velcro closure (2).

3. The fixation device for a central venous catheter as described in claim 1, characterized in that, The fixed seat (4) has a rotating shaft (8) at both ends on its upper surface. The two ends of the fixed seat (4) are rotatably connected to the cover plate (5) through the rotating shaft (8).

4. The fixation device for a central venous catheter as described in claim 1, characterized in that, One set of the cover plates (5) has a latch (9) fixed to its surface by bolts, and the other set of the cover plates (5) has a hook (10) fixed to its surface by bolts.

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