Hemodialysis catheter fixing device

Abstract

The hemodialysis catheter fixing device comprises an arc-shaped clamping cover, an arc-shaped cover buckling plate is arranged on the outer side of the clamping cover, the cover buckling plate is detachably connected with the clamping cover, an open groove is formed in the middle of the top of the cover buckling plate, arc-shaped containing grooves are symmetrically formed in the two sides of the open groove, and the clamping cover is detachably connected with the open groove. A corresponding sliding groove is formed in the bottom of the containing groove, a clamping block capable of sliding is embedded in the sliding groove, a linkage rod is connected to the outer wall of the clamping block, a semi-cylindrical supporting plate is connected to the top of the linkage rod and penetrates through the containing groove front and back, an arc-shaped groove is formed in the top of the clamping cover, and a clamping groove is formed in the top of the clamping cover. Iron plates are symmetrically arranged on the two sides of the arc-shaped groove, and a limiting structure is inserted into the arc-shaped groove. The catheter fixing device can flexibly fix a catheter at multiple positions, and is convenient and practical.

Description

Technical Field

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

[0002] Hemodialysis is one of the renal replacement therapies for patients with acute and chronic renal failure. It drains blood from the body to the outside of the body and passes it through a dialyzer composed of countless hollow fibers. The blood and an electrolyte solution containing electrolytes at concentrations similar to those in the body are exchanged inside and outside the hollow fibers through the principles of diffusion, ultrafiltration, adsorption and convection, thereby removing metabolic waste from the body, maintaining electrolyte and acid-base balance, and removing excess water from the body. The entire process of returning the purified blood is called hemodialysis.

[0003] Authorization announcement number, CN 216934411 U, discloses a hemodialysis catheter fixing device including a pasting mechanism and a fixing mechanism, characterized in that: the pasting mechanism is arranged on the outer side wall of the fixing mechanism, the fixing mechanism includes a first fixing block, a pad, a first connecting block, a second connecting block, a second fixing block, a clamping plate and a clamping block, the top of the pad is arranged on the bottom of the first fixing block, the first connecting block is arranged on the outer side wall of the first fixing block, the inner side wall of the second connecting block is evenly arranged on the outer side wall of the first connecting block, the second connecting block is evenly arranged on the outer side wall of the second fixing block, the clamping plate is arranged on the outer side wall of the second fixing block, and the clamping block is arranged on the outer side wall of the first fixing block.

[0004] The fixed structure is arranged at the top of the whole, which is not convenient for adjusting the fixed position of the pipeline, has poor flexibility and is inconvenient to use. Therefore, it is necessary to design corresponding technical solutions to solve the existing technical problems. Utility Model Content

[0005] 1. Technical issues to be resolved

[0006] In view of the shortcomings of the prior art, the utility model provides a hemodialysis catheter fixing device, which solves the problems that the prior art is inconvenient to adjust the fixed position of the pipeline, has poor flexibility and is inconvenient to use.

[0007] (II) Technical solution

[0008] To achieve the above objectives, the utility model is implemented through the following technical solutions: a hemodialysis catheter fixing device, comprising an arc-shaped card cover, an arc-shaped buckle cover plate is arranged on the outer side of the card cover, and the buckle cover plate is detachably connected to the card cover, an open groove is opened in the middle of the top of the buckle cover plate, arc-shaped placement grooves are symmetrically arranged on both sides of the opening groove, a corresponding slide groove is arranged at the bottom of the placement groove, a slidable card block is embedded in the slide groove, a linkage rod is connected to the outer wall of the card block, a semi-cylindrical support plate is connected to the top of the linkage rod, the support plate passes through the placement groove front and back, an arc-shaped groove is opened on the top of the card cover, iron plates are symmetrically arranged on both sides of the arc-shaped groove, and a limiting structure is inserted in the arc-shaped groove.

[0009] As a further preferred embodiment of the present invention, the limiting structure includes two magnetic strip plates, a connecting plate is arranged between the two magnetic strip plates, a guide rod is connected to the bottom end of the connecting plate, and the bottom end of the guide rod is connected to the limiting plate.

[0010] As a further preferred embodiment of the present invention, the limiting plate is in a semi-cylindrical shape, and the opening direction is opposite to that of the supporting plate.

[0011] As a further preferred embodiment of the present invention, an arc-shaped airbag cover is provided on the inner wall of the card cover, and an air nozzle is provided on the outer wall of one side of the airbag cover.

[0012] As a further preferred embodiment of the present invention, a fixing belt is provided at the bottom end of the card cover, and a Velcro layer is provided on the fixing belt.

[0013] (III) Beneficial effects

[0014] The utility model provides a hemodialysis catheter fixing device, which has the following beneficial effects:

[0015] The hemodialysis catheter fixing device of the utility model can buckle the arc-shaped card cover as a whole on the patient's arm or leg, the outer side of the card cover is provided with an arc-shaped buckle cover plate, and the middle of the top of the buckle cover plate is provided with an open groove, so that the pipes for blood drawing and blood returning can be placed in the placement grooves on the left and right sides respectively, and the pipes can slide freely onto the bottom support plate, and the bottom of the placement groove is provided with a slide groove, and the position of the card block inside it can be adjusted by sliding, the inner side of the card block adopts elastic rubber material, and is elastically squeezed and contacted with the inner wall of the slide groove, and friction can provide resistance, so that the position of the support plate in the placement groove can be adjusted, and the top of the card cover is provided with an arc groove, and a limiting structure is provided, so that the pipe can be limited and fixed from the other side.

[0016] The limiting structure of the utility model adopts two magnetic strip plates, and a connecting plate is arranged between the two magnetic strip plates, the bottom end of the connecting plate is connected to a guide rod, and the bottom end of the guide rod is connected to the limiting plate. The magnetic strip plates can be quickly adsorbed and fixed with the iron plate on the top of the card cover to achieve a quick fixing effect. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0018] Figure 2 It is a structural schematic diagram of the utility model in a front view;

[0019] Figure 3 It is a schematic diagram of the structure of the utility model from a side view;

[0020] Figure 4 It is a structural schematic diagram of the limiting structure of the utility model.

[0021] In the figure, 1, card cover; 2, buckle cover plate; 3, opening groove; 4, placement groove; 5, card block; 6, support plate; 7, arc groove; 8, iron plate; 9, magnetic strip plate; 10, connecting plate; 11, guide rod; 12, limit plate; 13, airbag cover layer; 14, air nozzle; 15, fixing belt; 16, Velcro layer. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figure 1-4 The embodiment of the utility model provides a technical solution: a hemodialysis catheter fixing device, comprising an arc-shaped card cover 1, an arc-shaped buckle cover plate 2 is arranged on the outer side of the card cover 1, and the buckle cover plate 2 is detachably connected to the card cover 1, an opening groove 3 is opened in the middle of the top of the buckle cover plate 2, arc-shaped placement grooves 4 are symmetrically arranged on both sides of the opening groove 3, and a corresponding slide groove is arranged at the bottom of the placement groove 4, a slidable card block 5 is embedded in the slide groove, the inner end of the card block 5 is an elastic rubber material, which can fit tightly with the inner wall of the slide groove, a linkage rod is connected to the outer wall of the card block 5, and a semi-cylindrical support plate 6 is connected to the top of the linkage rod, and the support plate 6 passes through the placement groove 4 front and back, an arc-shaped groove 7 is opened on the top of the card cover 1, iron plates 8 are symmetrically arranged on both sides of the arc-shaped groove 7, and a limiting structure is inserted in the arc-shaped groove 7.

[0024] The limiting structure includes two magnetic strip plates 9, a connecting plate 10 is arranged between the two magnetic strip plates 9, a guide rod 11 is connected to the bottom end of the connecting plate 10, and the bottom end of the guide rod 11 is connected to the limiting plate 12. The magnetic strip plates can be quickly adsorbed with the iron plate on the card cover, the guide rod 11 passes through the arc groove 7, and the limiting plate 12 is used to limit and fix the other side of the pipeline.

[0025] The limiting plate 12 is in the shape of a semi-cylinder, and the opening direction is opposite to that of the supporting plate 6. The limiting plate 12 and the supporting plate 6 as a whole can form a hollow cylinder, which is convenient for limiting and fixing the pipeline.

[0026] An arc-shaped airbag cover 13 is arranged on the inner wall of the card cover 1, and an air nozzle 14 is arranged on one side outer wall of the airbag cover 13. The airbag cover 13 can be used to pressurize the limb to enhance the fixing effect.

[0027] A fixing belt 15 is arranged at the bottom end of the card cover 1, and a Velcro layer 16 is arranged on the fixing belt 15. The fixing belt 15 can be fastened from the bottom to enhance the fixing effect.

[0028] Working principle: buckle the arc-shaped card cover 1 as a whole on the patient's arm or leg, and an arc-shaped buckle cover plate 2 is provided on the outside of the card cover 1, and an open groove 3 is provided in the middle of the top of the buckle cover plate 2, so that the blood drawing and blood returning pipes can be placed in the placement grooves 4 on the left and right sides respectively, and the pipes can slide freely onto the bottom support plate 6, and a slide groove is provided at the bottom of the placement groove 4, and the position of the card block 5 inside it can be adjusted by sliding, and the inner side of the card block 5 adopts elastic rubber material, which is elastically squeezed and contacted with the inner wall of the slide groove, and the friction force can provide resistance, so that the position of the support plate 6 in the placement groove 4 can be adjusted, and an arc groove 7 is provided on the top of the card cover 1, and a limiting structure is provided, so that the pipe can be limited and fixed from the other side, and the limiting structure adopts two magnetic strips 9, and a connecting plate 10 is provided between the two magnetic strips 9, and the bottom end of the connecting plate 10 is connected with a guide rod 11, and the bottom end of the guide rod 11 is connected with a limiting plate 12, and the magnetic strip plate 9 can be quickly adsorbed and fixed with the iron plate 8 on the top of the card cover 1, so as to achieve the effect of rapid fixing.

[0029] The components of the utility model, 1, card cover; 2, buckle cover plate; 3, opening groove; 4, placement groove; 5, card block; 6, support plate; 7, arc groove; 8, iron plate; 9, magnetic strip plate; 10, connecting plate; 11, guide rod; 12, limit plate; 13, air bag sleeve; 14, air nozzle; 15, fixing belt; 16, Velcro layer, are all universal standard parts or components known to technical personnel in this field, and their structures and principles can be known to technical personnel in this field through technical manuals or through conventional experimental methods. The utility model solves the problems that the prior art is not convenient for adjusting the fixed position of the pipeline, has poor flexibility and is inconvenient to use. The utility model combines the above-mentioned components with each other. The hemodialysis catheter fixing device of the utility model can buckle the arc-shaped card cover as a whole on the patient's arm or leg, and the outer side of the card cover is provided with an arc The utility model discloses a buckle cover plate with an open groove in the middle of the top of the buckle cover plate, so that the blood drawing and blood returning pipes can be placed in the placement grooves on the left and right sides respectively, and the pipes can slide freely to the support plate at the bottom, and a slide groove is provided at the bottom of the placement groove, and the position of the card block inside it can be adjusted by sliding, and the inner side of the card block is made of elastic rubber material, which is elastically squeezed and contacted with the inner wall of the slide groove, and the friction force can provide resistance, so that the position of the support plate in the placement groove can be adjusted, and an arc groove is provided on the top of the card cover, and a limiting structure is provided, so that the pipe can be limited and fixed from the other side, and the limiting structure of the utility model adopts two magnetic strip plates, and a connecting plate is provided between the two magnetic strip plates, and the bottom end of the connecting plate is connected to a guide rod, and the bottom end of the guide rod is connected to the limiting plate, and the magnetic strip plate can be quickly adsorbed and fixed to the iron plate on the top of the card cover, so as to achieve the effect of quick fixing.

[0030] The above shows and describes the basic principles and main features of the utility model and the advantages of the utility model. For those skilled in the art, it is obvious that the utility model is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or basic features of the utility model. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the utility model is limited by the attached claims rather than the above description, and it is intended to include all changes within the meaning and scope of the equivalent elements of the claims. Any figure mark in the claims should not be regarded as limiting the claims involved.

[0031] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A hemodialysis catheter fixing device, comprising an arc-shaped card cover (1), characterized in that: The outer side of the card cover (1) is provided with an arc-shaped buckle cover plate (2), and the buckle cover plate (2) is detachably connected to the card cover (1). An opening groove (3) is provided in the middle of the top of the buckle cover plate (2), and arc-shaped placement grooves (4) are symmetrically provided on both sides of the opening groove (3). A corresponding slide groove is provided at the bottom of the placement groove (4), and a slidable card block (5) is embedded in the slide groove. A linkage rod is connected to the outer wall of the card block (5), and a semi-cylindrical support plate (6) is connected to the top of the linkage rod. The support plate (6) passes through the placement groove (4) from front to back. An arc-shaped groove (7) is provided on the top of the card cover (1), and iron plates (8) are symmetrically provided on both sides of the arc-shaped groove (7), and a limiting structure is inserted in the arc-shaped groove (7).

2. A hemodialysis catheter fixing device according to claim 1, characterized in that: The limiting structure comprises two magnetic strip plates (9), a connecting plate (10) is arranged between the two magnetic strip plates (9), a guide rod (11) is connected to the bottom end of the connecting plate (10), and the bottom end of the guide rod (11) is connected to the limiting plate (12).

3. A hemodialysis catheter fixing device according to claim 2, characterized in that: The limiting plate (12) is in the shape of a semi-cylinder, and its opening direction is opposite to that of the supporting plate (6).

4. A hemodialysis catheter fixing device according to claim 1, characterized in that: An arc-shaped airbag cover (13) is provided on the inner wall of the card cover (1), and an air nozzle (14) is provided on one side outer wall of the airbag cover (13).

5. A hemodialysis catheter fixing device according to claim 1, characterized in that: A fixing belt (15) is provided at the bottom end of the card cover (1), and a Velcro layer (16) is provided on the fixing belt (15).

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