A hemodialysis catheter protection device for hemodialysis

Abstract

The invention discloses a hemodialysis catheter protection device for hemodialysis, comprising a protection block, fixing belts are arranged at both ends of the protection block, and the fixing belts located at both sides are respectively provided with a Velcro mother surface and a Velcro child surface, a groove for fixing a retention needle is arranged at the bottom of the protection block, and also comprises: a slide groove, two of the slide grooves are arranged and are respectively arranged at the top two sides of the protection block; a fixing block one, a through hole is arranged on the fixing block one, the fixing block one is slidably arranged in the slide groove, a fastening block for fixing the end of the retention catheter is movably arranged on the fixing block one, and a positioning component is arranged on the fastening block. The hemodialysis catheter protection device for hemodialysis can fix the retention needle through the groove arranged at the bottom of the protection block, and the fixing block one and the fixing block two fix the retention catheter and the dialysis catheter respectively. The patient can wear the device in daily activities and can also use it during dialysis, which is very convenient.

Description

Technical Field

[0001] The invention relates to the technical field of hemodialysis, in particular to a hemodialysis catheter protection device for hemodialysis. Background Art

[0002] Renal dialysis generally refers to an artificial kidney, which is mainly used to treat renal failure and uremia. It draws blood out of the body and uses the principles of dialysis, filtration, adsorption, membrane separation, etc. to eliminate excess nitrogen-containing compounds, metabolic products or excessive drugs in the body, regulate electrolyte balance, and then draw the purified blood back into the body.

[0003] During hemodialysis, an indwelling catheter is generally inserted into the patient's arm, and then the indwelling catheter is connected to the dialysis machine through a pipe. During dialysis, tape and a patch are needed to fix the catheter on the patient's arm, and then the catheter is connected to the indwelling catheter. Tape is needed to connect the catheter and the indwelling catheter. For some patients who need dialysis for a long time, the indwelling needle in the arm needs to be fixed all the time. Long-term use of tape causes itchy skin, and sweating may also cause the indwelling catheter to fall off. For this reason, we propose a hemodialysis catheter protective device for hemodialysis. Summary of the invention

[0004] The object of the present invention is to provide a hemodialysis catheter protection device for hemodialysis to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above object, the present invention provides the following technical solution: a hemodialysis catheter protective device for hemodialysis, comprising a protective block, fixing belts are arranged at both ends of the protective block, Velcro mother surface and Velcro child surface are arranged on the fixing belts at both sides, a groove for fixing an indwelling needle is arranged at the bottom of the protective block, and further comprising:

[0006] A slide groove, wherein two slide grooves are provided and are respectively opened on both sides of the top of the protection block;

[0007] A fixing block 1, wherein a through hole is provided on the fixing block 1, the fixing block 1 is slidably arranged in the slide groove, a fastening block for fixing the end of the indwelling catheter is movably arranged on the fixing block 1, and a positioning assembly is arranged on the fastening block for fixing the fastening block to the fixing block 1;

[0008] A connecting block, wherein the connecting block is slidably disposed in the slide groove and has a through hole therein, and a closing component is disposed in the connecting block to close the through hole;

[0009] A second fixing block, wherein the second fixing block is slidably disposed in the slide groove, a through hole is provided on the second fixing block, the first fixing block and the second fixing block are respectively located on both sides of the connecting block, and a fixing component for fixing the end of the dialysis catheter is provided in the second fixing block;

[0010] A plurality of connecting pieces are provided and are respectively located on adjacent surfaces of the connecting block, the first fixing block and the second fixing block, so as to connect the connecting block with the first fixing block and the second fixing block.

[0011] Preferably, a card slot is provided on the fixed block, a movable slot is provided on the side wall of the fastening block, the positioning assembly includes a positioning block movably arranged in the movable slot, a positioning spring is arranged in the movable slot, two ends of the positioning spring are respectively fixedly connected to the positioning block and the side wall of the movable slot, a cavity is provided on the top of the fastening block, a connecting rod is provided on the positioning block, the connecting rod movably passes through the fastening block and the end portion extends into the cavity, a movable plate is provided at the end portion of the connecting rod, and the movable plate is movably arranged in the cavity.

[0012] Preferably, a movable groove is provided in the connecting block, and the closing component includes a baffle movably arranged in the connecting block, two baffles are provided and are respectively arranged on both sides of the movable groove, a return spring is provided on the baffle, and the two ends of the return spring are respectively fixedly connected to the side wall of the movable groove and the baffle, a connecting rope is provided on the baffle, and the end of the connecting rope is fixedly connected to the side wall of the movable groove, a connecting hole is provided on the connecting block, and a plug rod which is plugged into the connecting hole is provided on the fixed block.

[0013] Preferably, the end of the insertion rod is provided with a placement groove for inserting the connecting rope.

[0014] Preferably, a fixing groove is provided in the fixing block 2, and the fixing assembly includes a fixing plate movably arranged in the fixing groove, the fixing plate is n-shaped, a supporting spring is arranged in the fixing groove, two ends of the supporting spring are respectively connected to the bottom of the fixing groove and the fixing plate, an arc plate is arranged on the fixing plate, and mutually cooperating lifting structures are arranged on the connecting block and the fixing plate, which can drive the fixing plate and the arc plate to move downward through the lifting structure when the connecting block is close to the fixing block 2.

[0015] Preferably, the lifting structure includes a push rod arranged on the connecting block, a slot for inserting the push rod is opened on the fixed block 2, and inclined rods are arranged at the bottom of both sides of the fixed plate. The inclined rods are used in conjunction with the push rod. When the push rod moves, it abuts against the inclined rod to drive the fixed plate to move.

[0016] Preferably, the connecting member is a magnetic plate, magnetic plates are arranged on both sides of the connecting block, magnetic plates are embedded on one side of the fixing block 1 and the fixing block 2 close to the connecting block, and the two magnetic plates located on adjacent surfaces attract each other.

[0017] Preferably, sealing gaskets are provided between the first fixing block and the connecting block, and between the second fixing block and the connecting block.

[0018] Preferably, a plurality of fins are provided on both sides of the protection block, and circular grooves are provided at both ends of the fins.

[0019] Preferably, a silicone pad is provided at the bottom of the protection block, and a protective cover is provided at the top of the protection block.

[0020] Compared with the prior art, the present invention has the following beneficial effects:

[0021] The hemodialysis catheter protection device for hemodialysis can fix the indwelling needle through the groove provided at the bottom of the protection block, and the fixing block 1 and the fixing block 2 fix the indwelling catheter and the dialysis catheter respectively. During dialysis, the fixing block 2 and the connecting block are pushed to one place of the fixing block, so that the indwelling catheter and the dialysis catheter can be connected, and the connection is stable under the action of the connecting piece. When the fixing block 2 is removed, the fixing block 1 is only connected to the connecting block. At this time, the dialysis is ended, and the closing component on the connecting block closes the end of the indwelling catheter. The patient can wear the device in daily activities and can also use it during dialysis, which is very convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0023] Figure 2 This is a schematic diagram of the structure of the present invention without the protective cover;

[0024] Figure 3 This is a schematic diagram of the structure of the protection block of the present invention;

[0025] Figure 4 It is a schematic diagram of the local structure of the protection block of the present invention;

[0026] Figure 5 This is a structural schematic diagram of the fixing block 1, the connecting block and the fixing block 2 of the present invention;

[0027] Figure 6 This is a cross-sectional structural schematic diagram of a fixing block of the present invention;

[0028] Figure 7 This is a schematic diagram of the connection block structure of the present invention;

[0029] Figure 8 This is a schematic diagram of the rod insertion structure of the present invention;

[0030] Fig. 9 This is a schematic diagram of the cross-sectional structure of the connecting block of the present invention;

[0031] Fig.10 This is a schematic cross-sectional structural diagram of the second fixing block of the present invention;

[0032] Fig.11 For the present invention Fig.10 Schematic diagram of the partial cross-section structure.

[0033] In the figure: 1-protective block; 2-fixing belt; 3-groove; 4-positioning component; 41-card slot; 42-movable slot; 43-positioning block; 44-positioning spring; 45-cavity; 46-connecting rod; 47-movable plate; 5-closing component; 51-movable slot; 52-baffle; 53-reset spring; 54-connecting rope; 55-connecting hole; 56-insertion rod; 57-placing slot; 6-fixing component; 61-fixing slot; 62-fixing plate; 63-support spring; 64-arc plate; 7-connecting piece; 71-magnetic plate; 8-lifting structure; 81-lifting rod; 82-slot; 83-oblique rod; 9-slide; 10-fixing block one; 11-fastening block; 12-connecting block; 13-fixing block two; 14-fin; 15-circular groove; 16-protective cover. DETAILED DESCRIPTION

[0034] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0035] See also Figure 1-11 The present invention provides a technical solution: a hemodialysis catheter protective device for hemodialysis, comprising a protective block 1, fixing belts 2 are arranged at both ends of the protective block 1, and Velcro mother surfaces and Velcro child surfaces are respectively arranged on the fixing belts 2 on both sides. The protective block 1 can be fixed on the patient's arm through the fixing belts 2. A groove 3 for fixing a retained needle is provided at the bottom of the protective block 1. When the protective block 1 fits the arm, the retained needle is placed in the groove 3 to prevent displacement. The protective block 1 also includes:

[0036] Two chutes 9 are provided and are respectively opened on both sides of the top of the protection block 1;

[0037] A fixing block 10, a through hole is provided on the fixing block 10, the fixing block 10 is slidably arranged in the slide groove 9, a fastening block 11 for fixing the end of the indwelling catheter is movably arranged on the fixing block 10, and a positioning assembly 4 is provided on the fastening block 11 for fixing the fastening block 11 to the fixing block 10;

[0038] A connecting block 12, which is slidably disposed in the slide groove 9 and has a through hole therein, and a closing component 5 is disposed in the connecting block 12 to close the through hole;

[0039] The second fixing block 13 is slidably disposed in the slide groove 9, a through hole is provided on the second fixing block 13, the first fixing block 10 and the second fixing block 13 are respectively located on both sides of the connecting block 12, and a fixing assembly 6 for fixing the end of the dialysis catheter is provided in the second fixing block 13;

[0040] The connecting member 7 is provided in plurality and is respectively located on adjacent surfaces of the connecting block 12 , the fixing block 1 10 and the fixing block 2 13 , so as to connect the connecting block 12 with the fixing block 1 10 and the fixing block 2 13 .

[0041] A card slot 41 is provided on the fixed block 10, and a movable slot 42 is provided on the side wall of the fastening block 11. The positioning assembly 4 includes a positioning block 43 movably arranged in the movable slot 42, and a positioning spring 44 is provided in the movable slot 42. The two ends of the positioning spring 44 are respectively fixedly connected to the positioning block 43 and the side wall of the movable slot 42. A cavity 45 is provided on the top of the fastening block 11, and a connecting rod 46 is provided on the positioning block 43. The connecting rod 46 movably penetrates the fastening block 11 and the end thereof extends into the cavity 45. A movable plate 47 is provided at the end of the connecting rod 46. The movable plate 47 is movably arranged in the cavity 45, and the through hole penetrating the fixed block 10 and the through hole penetrating the fixed block 10 are provided at the same time. The fixing block 10 and the fastening block 11 are inserted. When the fastening block 11 is installed on the fixing block 10, the fastening block 11 can fix the pipe in the through hole. When in use, first pinch the movable plate 47 with your fingers to move it. The movable plate 47 drives the positioning block 43 to move through the connecting rod 46, so that the positioning block 43 is disengaged from the slot 41. At this time, the fastening block 11 can be removed from the fixing block 10, and then the end of the indwelling catheter is placed into the fixing block 10, and then the fastening block 11 is installed in the fixing block 10, the positioning block 43 is engaged with the slot 41, and the fastening block 11 is installed on the fixing block 10 to fix the catheter.

[0042] A movable groove 51 is provided in the connecting block 12, and the closing component 5 includes a baffle 52 movably arranged in the connecting block 12. Two baffles 52 are provided and are respectively arranged on both sides of the movable groove 51. A return spring 53 is provided on the baffle 52. The two ends of the return spring 53 are respectively fixedly connected to the side wall of the movable groove 51 and the baffle 52. A connecting rope 54 is provided on the baffle 52. The end of the connecting rope 54 is fixedly connected to the side wall of the movable groove 51. A connecting hole 55 is provided on the connecting block 12, and an insert rod 56 plugged with the connecting hole 55 is provided on the fixed block 13.

[0043] The through hole on the connecting block 12 is blocked by the closing component 5. Under normal conditions, the return spring 53 squeezes the baffle 52 so that the two baffles 52 abut against each other to close the through hole on the connecting block 12. However, when the insertion rod 56 on the fixed block 13 is inserted into the connecting hole 55, the insertion rod 56 abuts against the connecting rope 54 when moving, so that it drives the baffle 52 to move, thereby making the through hole on the connecting block 12 pass through. Therefore, when the connecting block 12 is connected to the fixed block 13, the connecting block 12 is in a through state.

[0044] The end of the insertion rod 56 is provided with a placement groove 57 for the connection rope 54 to be placed in, so that the connection rope 54 is not easily detached from the end of the insertion rod 56.

[0045] A fixing groove 61 is provided in the fixing block 13, and the fixing assembly 6 includes a fixing plate 62 movably arranged in the fixing groove 61. The fixing plate 62 is n-shaped, and a supporting spring 63 is provided in the fixing groove 61. The two ends of the supporting spring 63 are respectively connected to the bottom of the fixing groove 61 and the fixing plate 62. An arc plate 64 is provided on the fixing plate 62. When the fixing plate 62 moves, the arc plate 64 is driven to fix the dialysis catheter. The connecting block 12 and the fixing plate 62 are provided with mutually cooperating lifting structures 8, which can drive the fixing plate 62 and the arc plate 64 to move downward through the lifting structure 8 when the connecting block 12 is close to the fixing block 13.

[0046] The lifting structure 8 includes a push rod 81 arranged on the connecting block 12, a slot 82 for inserting the push rod 81 is provided on the fixing block 13, and inclined rods 83 are provided at the bottom of both sides of the fixing plate 62. The inclined rods 83 cooperate with the push rod 81. When the push rod 81 moves, it abuts against the inclined rods 83 to drive the fixing plate 62 to move;

[0047] When the connecting block 12 is connected to the second fixing block 13, the top rod 81 on the connecting block 12 is inserted into the slot 82 on the second fixing block 13. When moving, the top rod 81 squeezes the inclined rod 83 to make it move downward along the fixing groove 61. The inclined rod 83 drives the fixing plate 62 to move, and then drives the arc plate 64 to move. Therefore, before use, the end of the dialysis catheter is inserted into the through hole on the second fixing block 13, and then the connecting block 12 is connected to the second fixing block 13 to fix the end of the dialysis catheter.

[0048] The connecting piece 7 is a magnetic plate 71, and magnetic plates 71 are arranged on both sides of the connecting block 12. The fixed block 10 and the fixed block 2 13 are embedded with magnetic plates 71 on one side close to the connecting block 12, and the two magnetic plates 71 located on adjacent surfaces attract each other, so that the fixed block 10 and the connecting block 12 are connected, and the fixed block 2 13 and the connecting block 12 are connected, so that the end of the dialysis catheter can be stably inserted into the end of the indwelling catheter.

[0049] Sealing gaskets are provided between the fixing block 10 and the connecting block 12 and between the fixing block 2 13 and the connecting block 12 to ensure the sealing between the indwelling catheter and the dialysis catheter connector.

[0050] A plurality of fins 14 are provided on both sides of the protection block 1, and circular grooves 15 are provided at both ends of the fins 14. The catheter between the catheter needle and the end can be wrapped around the fins 14 to prevent the catheter from being scattered in the outside and being pulled.

[0051] A silicone pad is provided at the bottom of the protective block 1 to make it more comfortable for the patient to wear. A protective cover 16 is provided on the top of the protective block 1. The protective cover 16 is made of transparent material to avoid the problem of accidental touch causing the fixed block 10, the connecting block 12 and the fixed block 2 13 to detach.

[0052] In summary, in daily use, the patient wears the device on the arm, fixes the indwelling needle through the groove 3 on the protective block 1, fixes the end of the indwelling catheter through the fastening block 11, wraps the excess catheter around the fin 14, and then fixes the connecting block 12 with the fixing block 10, isolates the end of the indwelling catheter from the outside world through the closing component 5, and then covers the protective cover 16, which will not affect daily activities;

[0053] During dialysis, the end of the dialysis catheter is fixed in the fixing block 13, and then the fixing block 13 is connected to the connecting block 12. When the connecting block 12 is connected to the fixing block 13, the top rod 81 on the connecting block 12 is inserted into the slot 82 on the fixing block 13. When the top rod 81 moves, it squeezes the inclined rod 83 to make it move downward along the fixing groove 61. The inclined rod 83 drives the fixing plate 62 to move, and then drives the arc plate 64 to move. Therefore, before use, the end of the dialysis catheter is inserted into the through hole on the fixing block 13, and then the connecting block 12 is connected to the fixing block 13 to fix the end of the dialysis catheter. At the same time, when the insertion rod 56 on the fixing block 13 is inserted into the connecting hole 55, the insertion rod 56 presses against the connecting rope 54 when moving, so that it drives the baffle 52 to move, and then the through hole on the connecting block 12 is penetrated. Therefore, when the connecting block 12 is connected to the fixing block 13, the connecting block 12 is penetrated, and then the dialysis catheter is connected to the indwelling catheter, and then dialysis is implemented.

[0054] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0055] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A hemodialysis catheter protection device for hemodialysis, comprising a protection block (1), wherein both ends of the protection block (1) are provided with fixing belts (2), and the fixing belts (2) located on both sides are respectively provided with a Velcro mother surface and a Velcro child surface, wherein: The bottom of the protective block (1) is provided with a groove (3) for fixing the indwelling needle, and further comprises: A slide groove (9), wherein two slide grooves (9) are provided and are respectively opened on two sides of the top of the protection block (1); A fixing block (10), wherein a through hole is formed on the fixing block (10), the fixing block (10) is slidably arranged in the slide groove (9), the fixing block (10) is movably provided with a fastening block (11) for fixing the end of the indwelling catheter, and the fastening block (11) is provided with a positioning assembly (4) for fixing the fastening block (11) to the fixing block (10); A connecting block (12), the connecting block (12) being slidably disposed in the slide groove (9) and having a through hole therein, and a closing component (5) being arranged in the connecting block (12) for closing the through hole; A second fixing block (13), wherein the second fixing block (13) is slidably disposed in the slide groove (9), a through hole is provided on the second fixing block (13), the first fixing block (10) and the second fixing block (13) are respectively located on two sides of the connecting block (12), and a fixing component (6) for fixing the end of the dialysis catheter is provided in the second fixing block (13); Connecting members (7), the connecting members (7) being provided in plurality and respectively located on adjacent surfaces of the connecting block (12), the first fixing block (10) and the second fixing block (13), for connecting the connecting block (12) with the first fixing block (10) and the second fixing block (13); The connecting block (12) is provided with a movable groove (51), the closing component (5) comprises a baffle (52) movably arranged in the connecting block (12), two baffles (52) are provided and are respectively arranged on both sides of the movable groove (51), a return spring (53) is provided on the baffle (52), two ends of the return spring (53) are respectively fixedly connected to the side wall of the movable groove (51) and the baffle (52), a connecting rope (54) is provided on the baffle (52), and an end of the connecting rope (54) is fixedly connected to the side wall of the movable groove (51), a connecting hole (55) is provided on the connecting block (12), and an insertion rod (56) pluggable with the connecting hole (55) is provided on the fixed block (13); The end of the insertion rod (56) is provided with a placement groove (57) for the connection rope (54) to be placed therein; A fixing groove (61) is provided in the fixing block (13), the fixing assembly (6) comprises a fixing plate (62) movably arranged in the fixing groove (61), the fixing plate (62) is n-shaped, a supporting spring (63) is provided in the fixing groove (61), two ends of the supporting spring (63) are respectively connected to the bottom of the fixing groove (61) and the fixing plate (62), an arc plate (64) is provided on the fixing plate (62), and mutually cooperating lifting structures (8) are provided on the connecting block (12) and the fixing plate (62), so that when the connecting block (12) is close to the fixing block (13), the fixing plate (62) and the arc plate (64) can be driven to move downward through the lifting structure (8); The lifting structure (8) comprises a push rod (81) arranged on the connecting block (12); a slot (82) for inserting the push rod (81) is provided on the second fixing block (13); inclined rods (83) are provided at the bottom of both sides of the fixing plate (62); the inclined rods (83) cooperate with the push rod (81) for use; when the push rod (81) moves, it abuts against the inclined rod (83) to drive the fixing plate (62) to move.

2. The hemodialysis catheter protection device for hemodialysis according to claim 1, characterized in that: The fixing block (10) is provided with a slot (41), the side wall of the fastening block (11) is provided with a movable slot (42), the positioning assembly (4) comprises a positioning block (43) movably arranged in the movable slot (42), a positioning spring (44) is arranged in the movable slot (42), two ends of the positioning spring (44) are respectively fixedly connected to the positioning block (43) and the side wall of the movable slot (42), a cavity (45) is provided at the top of the fastening block (11), a connecting rod (46) is arranged on the positioning block (43), the connecting rod (46) movably passes through the fastening block (11) and the end portion extends into the cavity (45), and a movable plate (47) is arranged at the end portion of the connecting rod (46), and the movable plate (47) is movably arranged in the cavity (45).

3. The hemodialysis catheter protection device for hemodialysis according to claim 2, characterized in that: The connecting member (7) is a magnetic plate (71), and magnetic plates (71) are provided on both sides of the connecting block (12). The fixing block 1 (10) and the fixing block 2 (13) are both embedded with magnetic plates (71) on one side close to the connecting block (12), and the two magnetic plates (71) located on adjacent surfaces attract each other.

4. The hemodialysis catheter protection device for hemodialysis according to claim 1, characterized in that: Sealing gaskets are provided between the first fixing block (10) and the connecting block (12), and between the second fixing block (13) and the connecting block (12).

5. The hemodialysis catheter protection device for hemodialysis according to claim 1, characterized in that: A plurality of fins (14) are provided on both sides of the protection block (1), and circular grooves (15) are provided at both ends of the fins (14).

6. The hemodialysis catheter protection device for hemodialysis according to claim 1, characterized in that: A silicone pad is provided at the bottom of the protection block (1), and a protection cover (16) is provided at the top of the protection block (1).

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