Peritoneal dialysis catheter fixing device

Abstract

The utility model relates to the technical field of medical instruments, in particular to a peritoneal dialysis catheter fixing device which comprises a base connected with an external supporting face. A supporting rod is fixed to the middle of the upper side face of the base, a combined spherical shell is fixed to the top of the supporting rod, a ball head is embedded into the combined spherical shell, a fastening rotary knob is arranged on the side face of the combined spherical shell, a connecting rod is fixed to the peripheral side of the ball head, and an arc-shaped piece is fixed to the end of the connecting rod. According to the dialysis tube fixing device, the dialysis tube is limited through a wrapping damping face through the air bag, a traditional clamping and extruding type fixing structure is replaced, the deformation degree of the dialysis tube can be reduced, meanwhile, the dialysis tube fixing device is suitable for fixing and limiting dialysis tubes of multiple sizes, and the dialysis tube fixing device is convenient to use and high in practicability. Under the matching action of the ball head and the combined ball shell, the dialysis tube can move in multiple directions, and the problem that a traditional fixing structure cannot be adjusted is solved.

Description

Technical Field

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

[0002] Peritoneal dialysis is a process that uses an external tube to release the dialysate containing metabolic waste and excess water from the body, and then injects new dialysate. During peritoneal dialysis treatment, the dialysis tube needs to be fixed.

[0003] The existing open patent (publication number CN 215308939 U) discloses a peritoneal dialysis tube fixing device for nephrology, including a first clamping plate, a groove is provided on the front side of the first clamping plate, a through hole is provided on the rear side of the inner wall of the groove, a support frame is fixed on the top of the first clamping plate, a threaded column is threadedly connected to the middle part of the top surface of the support frame, and the bottom end of the threaded column passes through the top of the support frame and is movably connected to the fixing plate through a bearing. The peritoneal dialysis tube fixing device for nephrology can achieve the purpose of clamping and fixing dialysis tubes of different specifications through the cooperation between the threaded column, the rotating handle, the fixing plate, the telescopic rod and the first spring, and the operation steps are simple, so as to facilitate the use of medical staff, and the installation angle of the clamping frame can be adjusted through the cooperation between the rotating column and the connecting plate, so as to facilitate the medical staff to fix the fixing device on the frame of the bed.

[0004] The above fixing device adopts a clamping fixing method. Since the force-bearing surface of the dialysis tube is small, the dialysis tube is prone to large depression, which affects the use. At the same time, the above angle adjustment structure is complex and has low practicality. Therefore, the utility model proposes a peritoneal dialysis tube fixing device to improve the above problems. Utility Model Content

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a peritoneal dialysis tube fixing device, comprising a base connected to an external supporting surface; a support rod is fixed to the middle position of the upper side of the base, a combined spherical shell is fixed to the top of the support rod, a ball head is embedded in the combined spherical shell, a fastening knob is provided on the side of the combined spherical shell, a connecting rod is fixed to the circumference of the ball head, and an arc-shaped piece is fixed at the end of the connecting rod, an air bag is provided on the inner wall of the arc-shaped piece, and an external dialysis tube passes through the middle of the air bag.

[0006] Preferably, the airbag is provided with an arc-shaped opening, wherein the arc-shaped opening end of the airbag is configured to be cylindrical, and a ventilation end is provided on the side of the cylindrical end of the airbag.

[0007] Preferably, a positioning piece is connected to the inner lower edge of the base, and a positioning ball is movably connected to the inner end of the positioning piece, and the positioning ball is in contact with the outer contact surface.

[0008] Preferably, a cover plate is movably provided on the side of the base, and the bottom of the cover plate is connected to the base via a fixed knob.

[0009] Preferably, a roller is movably provided at the middle position of the inner top groove of the base, and the roller is in contact with the outer contact surface.

[0010] Preferably, the edge of the combined spherical shell is integrally extended with an ear seat, and the ear seats are fitted together and fixed by screws.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] The utility model uses the air bag to limit the dialysis tube with a wrapped damping surface, replacing the traditional clamping and squeezing type fixing structure, which can reduce the deformation degree of the dialysis tube and is suitable for fixing and limiting dialysis tubes of multiple sizes. Moreover, under the cooperation of the ball head and the combined ball shell, the dialysis tube can move in multiple directions, improving the inability to adjust the traditional fixing structure.

[0013] Specifically, firstly, the base and the outer supporting structure are installed according to the use requirements. During installation, the base is arranged outside the supporting structure in a clamping form. Under the combined action of the positioning ball, roller, and fixing knob and other structures, the base and the outer supporting structure can be fixed or moved. The connection state is switched according to the actual use requirements. Then, the dialysis tube is placed in the airbag, and the airbag is inflated until the inner side of the airbag fits tightly with the dialysis tube. The contact surface between the airbag and the dialysis tube is large, so that the force on the dialysis tube is more uniform, thereby avoiding the dialysis tube segment from being sunken due to high pressure. Also, according to the actual use requirements, it is determined whether the ball head needs to be fixed to the combined ball shell. When the ball head is movable, the dialysis tube can rotate at an angle under the action of external force. When the ball head is fixed to the combined ball shell under the action of the tightening knob, the positions of the connecting rod, the arc member and the airbag are fixed, so that the use angle of the dialysis tube is fixed. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the front part of the overall structure of the utility model;

[0015] Figure 2 It is a schematic diagram of the rear part of the overall structure of the utility model;

[0016] Figure 3 It is a side schematic diagram of the overall structure of the utility model.

[0017] In the figure: 1. base; 2. positioning piece; 3. positioning ball; 4. cover plate; 5. fixing knob; 6. support rod; 7. combined ball shell; 8. fastening knob; 9. ball head; 10. connecting rod; 11. arc-shaped piece; 12. airbag; 13. ventilation end; 14. roller. DETAILED DESCRIPTION

[0018] 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 implementation regulations described are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of 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.

[0019] Example

[0020] See also Figure 1-3 , as shown in the figure: This embodiment is a preferred implementation of the technical solution, a peritoneal dialysis tube fixing device, comprising a base 1 connected to an external support surface; a support rod 6 is fixed to the middle position of the upper side of the base 1, a combined ball shell 7 is fixed to the top of the support rod 6, a ball head 9 is embedded in the combined ball shell 7, a fastening knob 8 is provided on the side of the combined ball shell 7, a connecting rod 10 is fixed to the circumference of the ball head 9, and an arc-shaped piece 11 is fixed at the end of the connecting rod 10, an air bag 12 is provided on the inner wall of the arc-shaped piece 11, and an external dialysis tube passes through the middle of the air bag 12;

[0021] It should be noted that: in the peritoneal dialysis tube fixing device involved in the present application, the air bag 12 is used to limit the dialysis tube with a wrapped damping surface, replacing the traditional clamping and squeezing type fixing structure, which can reduce the deformation degree of the dialysis tube and is suitable for the fixing and limiting of dialysis tubes of multiple sizes. In addition, under the cooperation of the ball head 9 and the combined ball shell 7, the dialysis tube can move in multiple directions, improving the inability to adjust the traditional fixing structure. When it is used specifically, the base 1 and the external support structure are first installed according to the use requirements. During installation, the base 1 is arranged on the outside of the support structure in a clamping form. Under the combined action of the positioning ball 3, the roller 14, and the fixing knob 5, the base 1 and the external support structure can Fixed or movable, the connection state is switched according to actual use requirements, and then the dialysis tube is placed in the airbag 12, and the airbag 12 is inflated until the inner side of the airbag 12 fits tightly against the dialysis tube. The contact surface between the airbag 12 and the dialysis tube is large, so that the force on the dialysis tube is more uniform, thereby avoiding the dialysis tube segment from being sunken due to high pressure. Also, according to actual use requirements, decide whether the ball head 9 needs to be fixed to the combined ball shell 7. When the ball head 9 is movable, the dialysis tube can rotate at an angle under the action of external force. When the ball head 9 is fixed to the combined ball shell 7 under the action of the tightening knob 8, the positions of the connecting rod 10, the arc member 11 and the airbag 12 are fixed, so that the use angle of the dialysis tube is fixed.

[0022] Among them Figure 1 and Figure 2As shown, the airbag 12 is provided with an arc-shaped opening, the arc-shaped opening end of the airbag 12 is set to be cylindrical, and the side of the cylindrical end of the airbag 12 is provided with a venting end 13; the inner lower edge of the base 1 is connected to a positioning member 2, and the inner end of the positioning member 2 is movably connected to a positioning ball 3, and the positioning ball 3 is in contact with the outer contact surface;

[0023] It should be noted that the arc-shaped opening provided in the airbag 12 is convenient for taking and placing the dialysis tube. At the same time, when inflated, the cylindrical area at the end of the airbag 12 has a large expansion area and squeezes inward to achieve the top limit of the dialysis tube. The ventilation end 13 provided on the side of the airbag 12 is used for inflating and deflating the airbag 12. The positioning piece 2 connected to the lower part of the base 1 is used for the installation of the positioning ball 3. Under the squeezing action of the positioning ball 3, the position of the base 1 and the external support structure is balanced. When the base 1 and the external support structure move relative to each other, the positioning ball 3 rotates along the circumferential direction of the positioning piece 2 to reduce the movement damping of the base 1.

[0024] A cover plate 4 is movably provided on the side of the base 1, and the bottom of the cover plate 4 is connected to the base 1 via a fixing knob 5; an ear seat is integrally extended from the edge of the combined ball shell 7, and the ear seat is fixed by screws in contact with each other;

[0025] It should be noted that the top of the cover plate 4 is movably connected to the upper part of the base 1 through the shaft, and the lower part of the cover plate 4 is embedded in the side of the base 1. After tightening the fixing knob 5, under the action of the fixing knob 5, the cover plate 4 and the base 1 maintain a fixed relative position. At the same time, the inner end of the fixing knob 5 and the outer contact surface are squeezed and fixed to fix the base 1 and the external support structure. After the cover plate 4 is opened, the roller 14 structure is exposed to facilitate subsequent loading and unloading. The combined ball shell 7 is formed as a whole under the fixation of the screws. Conversely, after removing the screws, the branches of the combined ball shell 7 lose their constraints, and then lose the limiting effect on the ball head 9, which is used for loading and unloading of the ball head 9.

[0026] Among them Figure 3 As shown, a roller 14 is movably provided at the middle position of the inner top groove of the base 1, and the roller 14 is in contact with the outer contact surface;

[0027] It should be noted that after the base 1 is installed, its roller 14 is in contact with the external contact surface. When the base 1 moves relative to the external support structure, the roller 14 moves at the same time, reducing the friction damping of the base 1 when it moves. The groove set at the top of the base 1 is used for the embedded installation of the roller 14.

[0028] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0029] The preferred embodiments of the utility model disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the utility model to the specific implementation methods described. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that technicians in the relevant technical field can well understand and use the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A peritoneal dialysis tube fixing device, comprising a base (1) connected to an external support surface; characterized in that: A support rod (6) is fixed at the middle position of the upper side of the base (1), a combined spherical shell (7) is fixed on the top of the support rod (6), a ball head (9) is embedded in the combined spherical shell (7), a fastening knob (8) is arranged on the side of the combined spherical shell (7), a connecting rod (10) is fixed on the circumference of the ball head (9), and an arc-shaped piece (11) is fixed at the end of the connecting rod (10), an air bag (12) is arranged on the inner wall of the arc-shaped piece (11), and an external dialysis tube passes through the middle of the air bag (12).

2. A peritoneal dialysis tube fixing device according to claim 1, characterized in that: The airbag (12) is provided with an arc-shaped opening, wherein the arc-shaped opening end of the airbag (12) is arranged in a cylindrical shape, and a ventilation end (13) is arranged on the side surface of the cylindrical end of the airbag (12).

3. A peritoneal dialysis tube fixing device according to claim 1, characterized in that: The inner lower edge of the base (1) is connected to a positioning piece (2), the inner end of the positioning piece (2) is movably connected to a positioning ball (3), and the positioning ball (3) is in contact with the outer contact surface.

4. A peritoneal dialysis tube fixing device according to claim 1, characterized in that: A cover plate (4) is movably provided on the side of the base (1), and the bottom of the cover plate (4) is connected to the base (1) via a fixing knob (5).

5. A peritoneal dialysis tube fixing device according to claim 1, characterized in that: A roller (14) is movably arranged at the middle position of the inner top groove of the base (1), and the roller (14) is in contact with the outer contact surface.

6. A peritoneal dialysis tube fixing device according to claim 1, characterized in that: The edge of the combined spherical shell (7) is integrally provided with an ear seat extending therefrom, and the ear seats are fitted together and fixed by screws.

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