Extension tube joint wrapping and fixing device of hemodialysis catheter

Abstract

The utility model belongs to the field of medical instruments, and particularly relates to a wrapping and fixing device for an extension tube connector of a hemodialysis catheter. The device comprises a dialysis catheter and a fixing pad, the front side wall of the fixing pad is detachably connected with a wrapping bag with an opening in one end, a catheter connector of the dialysis catheter is located in the wrapping bag, a wrapping pad used for wrapping the catheter connector is fixed in the wrapping bag, and an adhesive tape used for sealing the wrapping bag is pasted to the inner wall of the opening of the wrapping bag. A hose used for exhausting air in the bag is installed at the other end of the wrapping bag in a penetrating mode, a connector used for sealing the hose and being connected with an injector is installed on the hose, a fixing assembly used for fixing the fixing pad to the abdomen or the chest of a patient is connected to the fixing pad, and a skin-friendly layer is fixed to the rear side wall of the fixing pad. According to the utility model, air in the wrapping bag is sucked out, so that the wrapping pad can quickly wrap the tube joint of the dialysis catheter, and the dialysis catheter is more comfortable to wear for a longer time and has smaller harm to the skin of a patient.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of medical devices, especially relates to a hemodialysis catheter's extension tube joint wrapping fixing device. BACKGROUND

[0002] Hemodialysis is through the body blood drainage to the outside, in a by countless hollow fibers composed of dialyzer, blood and the body concentration similar electrolyte solution (dialysate) in a root root hollow fiber inside and outside, through the dispersion / convection material exchange, remove the body's metabolic waste, maintain electrolyte and acid-base balance; At the same time, remove excess water in the body, and the purified blood is returned to the whole process called hemodialysis. In hemodialysis treatment, to prevent the occurrence of inflammation, the patient's hemodialysis catheter needs to be fixed on the patient's body, and the interface is wrapped to avoid external contact pollution.

[0003] When wrapping, medical absorbent cotton ball, gauze block, sterile treatment towel and other materials are usually used to tightly wrap the extension tube joint of the hemodialysis catheter, and then medical adhesive tape is used to paste and fix the wrapped extension tube joint of the hemodialysis catheter on the patient's abdomen or chest for next use. However, this traditional wrapping method is not only complex and tedious, which leads to a long contact time of the sterilized tube joint with air, thereby increasing the infection rate, and the pasting method using medical adhesive tape also causes many discomforts of the skin at the pasting position. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a hemodialysis catheter's extension tube joint wrapping fixing device, which can quickly wrap the tube joint and improve comfort.

[0005] The hemodialysis catheter's extension tube joint wrapping fixing device comprises a dialysis catheter and a fixing pad, the front side wall of the fixing pad is detachably connected with an open-end wrapping bag, the tube joint of the dialysis catheter is located in the wrapping bag, a wrapping pad for wrapping the tube joint is fixed in the wrapping bag, an adhesive tape for sealing the wrapping bag is pasted on the inner wall of the opening of the wrapping bag, a hose for air exhaust in the bag is arranged at the other end of the wrapping bag, a joint for sealing the hose and connecting a syringe is installed on the hose, a fixing assembly for fixing the fixing pad on the patient's abdomen or chest is connected on the fixing pad, and a skin-friendly layer is fixed on the rear side wall of the fixing pad.

[0006] Further, the front side wall of the fixing pad is provided with a groove, a groove body is fixed in the groove, and an insertion block is fixed on the rear side wall of the wrapping bag and inserted into the groove body.

[0007] Further, the front side wall of the insertion block is provided with a fixing groove, an iron sheet is fixed in the fixing groove, and a magnet block for adsorbing the iron sheet is fixed on the inner bottom of the groove body.

[0008] Further, the wrapping pad is made of a cotton ball, a gauze block, a sterile treatment towel or the like.

[0009] Further, a mounting hole is formed in the lower end of the wrapping bag, one end of the hose is fixedly sleeved in the mounting hole, the other end of the hose is sleeved with a connector, and the sealing cover is buckled on the connector.

[0010] Further, a connecting belt for connecting the sealing cover and the connector is fixed on the side wall of the sealing cover.

[0011] Further, the fixing assembly comprises a first elastic belt and a second elastic belt fixed on the left side wall and the right side wall of the fixing pad respectively, and the first elastic belt and the second elastic belt are connected through a magic tape.

[0012] Further, the first elastic belt and the second elastic belt are also sleeved with a skin-friendly layer.

[0013] Further, a connecting block for separating two pipe connectors of the dialysis catheter is fixed in the wrapping bag.

[0014] Compared with the prior art, the wrapping bag has the following beneficial effects:

[0015] The wrapping pad can cover the pipe connector of the dialysis catheter put into the wrapping bag, and a closed space is formed in the wrapping bag under the action of the adhesive tape, then the air in the wrapping bag is sucked out through the hose and the connector by using a syringe or the like, so that the wrapping pad can automatically tightly wrap the pipe connector, thereby achieving the purpose of quickly wrapping the pipe connector of the dialysis catheter, reducing the contact time of the pipe connector after disinfection and air, and further reducing the infection rate; the first elastic belt and the second elastic belt are used to fix the fixing pad with the skin-friendly layer on the abdomen of a patient or in front of the chest, compared with the traditional way of sticking glue, the patient is more comfortable when wearing for a long time, and the skin damage to the patient is smaller, meanwhile, the wrapping bag is installed on the fixing pad in a detachable mode, so that medical staff can quickly install or remove the wrapping bag on the fixing pad when performing dialysis on the patient, without repeatedly wearing the fixing pad, thereby further improving the comfort of the patient when going to a hospital. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a structural schematic view of the utility model;

[0017] Figure 2 It is Figure 1 a top view of the wrapping bag;

[0018] Figure 3 It is Figure 1 a top view of the wrapping bag;

[0019] Figure 4For Figure 3 Enlarged view at A in the middle;

[0020] Figure component name: 1, the first elastic band; 2, fixed pad; 3, wrapping bag; 4, dialysis catheter; 5, adhesive tape; 6, the second elastic band; 7, hose; 8, connecting band; 9, sealing cover; 10, joint; 11, connecting block; 12, wrapping pad; 13, skin-friendly layer; 14, groove; 15, plug; 16, iron sheet; 17, magnet block. DETAILED DESCRIPTION

[0021] The utility model will be further described below by specific examples in combination with the drawings, but not used to limit the utility model, any modification, equivalent replacement, improvement etc. made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

[0022] Example 1

[0023] The outer extension tube joint wrapping and fixing device of the dialysis catheter in the embodiment comprises a dialysis catheter 4 and a fixed pad 2, wherein the dialysis catheter 4 is prior art, which is composed of a catheter, a tee joint, an arterial outer tube, a venous outer tube, a tube joint on the arterial and venous outer tube and a clamp;

[0024] The front side wall of the fixed pad 2 is detachably connected with an open-end wrapping bag 3, and the wrapping bag 3 is detachably installed on the fixed pad 2 in the embodiment, so that the medical staff can quickly install or remove the wrapping bag 3 from the fixed pad 2 during dialysis of the patient, without repeatedly wearing the fixed pad 2, thereby improving the comfort of the patient when visiting a doctor; for example Figure 3 and Figure 4 The front side wall of the fixed pad 2 is provided with a groove, the groove is fixed with a groove body 14, the rear side wall of the wrapping bag 3 is fixed with a plug 15, and the plug 15 is inserted into the groove body 14, and the plug 15 and the groove body 14 are both made of plastic and have a certain friction therebetween, so that the plug 15 will not be separated from the groove body 14 under non-forced condition;

[0025] The front side wall of the wrapping bag 3 is made of transparent material or provided with an observation window in the embodiment, and a transparent plate is fixed in the observation window, so as to facilitate the medical staff to observe the position of the dialysis catheter 4;

[0026] The tube joint of the dialysis catheter 4 is located in the wrapping bag 3, and the wrapping bag 3 is fixed with a wrapping pad 12 for wrapping the tube joint, and the wrapping pad 12 can automatically cover the tube joint of the dialysis catheter 4 put into the wrapping bag 3 in the embodiment, wherein the wrapping pad 12 is made of defatted cotton ball, gauze block, sterile treatment towel and the like, and is annularly fixed in the wrapping bag 3.

[0027] As Figure 1 shown, the connecting block 11 for separating the two pipe joints of the dialysis catheter 4 is fixed in the wrapping bag 3, the connecting block 11 is triangular, and one end is fixed with the front inner side wall of the wrapping bag 3, and the other end is fixed with the rear inner side wall of the wrapping bag 3, and the lower end inside the wrapping bag 3 is formed into two areas through the connecting block 11 in this embodiment, and the wrapping pads 12 are fixed in the areas, so as to realize the purpose of independent wrapping of the two pipe joints of the dialysis catheter 4, and further reduce the probability of cross infection;

[0028] The inner wall of the opening of the wrapping bag 3 is pasted with the adhesive tape 5 for sealing the wrapping bag 3, as shown in Figure 1 、 Figure 2 、 Figure 3 and Figure 4 shown, the adhesive tape 5 can not only fix the position of the dialysis catheter 4, but also seal the wrapping bag 3, so that the inside of the wrapping bag 3 is in a sealed state; in actual application, the front inner side wall and the rear inner side wall of the opening (bag opening) of the wrapping bag 3 are pasted with the adhesive tape 5, and the adhesive tape 5 is pasted with release paper;

[0029] The other end of the wrapping bag 3 is provided with a hose 7 for air exhaust in the bag, and the hose 7 is provided with a connector 10 for sealing the hose 7 and connecting the syringe, the syringe and other tools are connected through the connector 10 in this embodiment, and the air in the wrapping bag 3 in a sealed state can be sucked out through the hose 7, so that the inside of the wrapping bag 3 is in a state close to vacuum, and then the wrapping pad 12 can automatically wrap the pipe joint tightly, so as to achieve the purpose of quickly wrapping the pipe joint of the dialysis catheter 4, so as to reduce the contact time of the pipe joint after disinfection and the air and reduce the infection rate; as shown in Figure 1 , the side wall of the sealing cover 9 is fixed with the connecting belt 8 for connecting the sealing cover 9 and the connector 10 together, and the sealing cover 9 is connected to the connector 10 through the connecting belt 8, which can avoid the loss of the sealing cover 9;

[0030] Referring to Figure 1 and Figure 3 , the first elastic belt 1 and the second elastic belt 6 on the left side wall and the right side wall of the fixing pad 2 are connected through the magic tape (the first elastic belt 1, the second elastic belt 6 and the magic tape in this paragraph constitute the fixing assembly for fixing the fixing pad 2 on the abdomen or the chest of the patient, and in actual application, the first elastic belt 1 and the second elastic belt 6 can also be connected through the snap fastener), and the fixing pad 2 is fixed on the abdomen or the chest of the patient through the first elastic belt 1 and the second elastic belt 6, which is more comfortable than the traditional way of adhesive, and causes less damage to the skin of the patient;

[0031] The rear side wall of the fixing pad 2 is fixed with a skin-friendly layer 13, as shown in the actual application, the first elastic band 1 and the second elastic band 6 are also sleeved with the skin-friendly layer 13, so that the patient has higher comfort in long-term wearing. Figure 3 As shown in the actual application, the first elastic band 1 and the second elastic band 6 are also sleeved with the skin-friendly layer 13, so that the patient has higher comfort in long-term wearing.

[0032] In use, first, the fixing pad 2 is placed in front of the chest or abdomen of the patient, then the second elastic band 6 is wound around the back of the patient and connected with the first elastic band 1 through the magic tape with appropriate tightness, then the sterilized dialysis catheter 4 is placed in the wrapping bag 3, and the two pipe joints of the dialysis catheter 4 are ensured to be in different wrapping pads 12, then the release paper on the adhesive tape 5 is torn off and the bag opening of the wrapping bag 3 is sealed, then the sealing cover 9 is opened and the syringe is connected on the joint 10, then the air in the wrapping bag 3 is sucked out by the syringe, so that the wrapping pad 12 tightly wraps the pipe joint, then the hose 7 is pinched and the syringe is removed, finally the sealing cover 9 is covered and the plug 15 is inserted into the slot 14 for fixation.

[0033] Embodiment 2

[0034] In this embodiment, the front side wall of the plug 15 is provided with a fixing slot, and the fixing slot is fixed with an iron sheet 16, and the inner bottom of the slot 14 is fixed with a magnet block 17 for adsorbing the iron sheet 16. In this embodiment, the iron sheet 16 is adsorbed by the magnet block 17, so as to improve the stability of the connection between the wrapping bag 3 and the fixing pad 2, and avoid the separation of the wrapping bag 3 and the fixing pad 2.

Claims

1. An extension set for a hemodialysis catheter comprising a dialysis catheter (4) and a securement pad (2), characterized in that: The front side wall of the fixing pad (2) is detachably connected with an open-end wrapping bag (3), the pipe joint of the dialysis catheter (4) is located in the wrapping bag (3), and the wrapping pad (12) for wrapping the pipe joint is fixed in the wrapping bag (3), the inner wall of the opening of the wrapping bag (3) is pasted with the adhesive tape (5) for sealing the wrapping bag (3), the other end of the wrapping bag (3) is provided with the hose (7) for discharging the air in the bag, the hose (7) is provided with the joint (10) for sealing the hose (7) and connecting the syringe, the fixing pad (2) is connected with the fixing assembly for fixing the fixing pad (2) on the abdomen or the chest of the patient, and the rear side wall of the fixing pad (2) is fixed with the skin-friendly layer (13).

2. The extension tubing connector securement device for hemodialysis catheters of claim 1, wherein: The front side wall of the fixing pad (2) is provided with a groove, the groove is fixed with the slot body (14), and the rear side wall of the wrapping bag (3) is fixed with the insertion block (15).

3. The extension tubing connector securement device for hemodialysis catheters of claim 2, wherein: The front side wall of the insertion block (15) is provided with a fixing groove, the fixing groove is fixed with the iron sheet (16), and the inner bottom of the slot body (14) is fixed with the magnet block (17) for adsorbing the iron sheet (16).

4. The extension tubing connector securement device for hemodialysis catheters of claim 1, wherein: The wrapping pad (12) is made of one of the materials of the degreasing cotton ball, the gauze block and the sterile treatment towel.

5. The extension tubing connector securement device for hemodialysis catheters of claim 2 or 4, wherein: The lower end of the wrapping bag (3) is provided with the mounting hole communicating with the inside and the outside, one end of the hose (7) is fixedly inserted into the mounting hole, the other end is sleeved with the joint (10), and the sealing cover (9) is buckled on the joint (10).

6. The extension tubing connector securement device for hemodialysis catheters of claim 5, wherein: The side wall of the sealing cover (9) is fixed with the connecting belt (8) for connecting the sealing cover (9) and the joint (10).

7. The extension tubing connector securement device for hemodialysis catheters of claim 1, wherein: The fixing assembly comprises the first elastic belt (1) and the second elastic belt (6) fixed on the left side wall and the right side wall of the fixing pad (2) respectively, and the first elastic belt (1) and the second elastic belt (6) are connected through the magic tape.

8. The extension tubing connector securement device for hemodialysis catheters of claim 7, wherein: The first elastic belt (1) and the second elastic belt (6) are also sleeved with the skin-friendly layer (13).

9. The extension tubing connector securement device for hemodialysis catheters of claim 6, wherein: The wrapping bag (3) is fixed with the connecting block (11) for separating the two pipe joints of the dialysis catheter (4).

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