Fixing device for hemodialysis

Abstract

The utility model discloses a fixing device for hemodialysis, which comprises a first flexible pad, a second flexible pad, a connecting band and a positioning sheet, the first flexible pad and the second flexible pad are arranged at an interval, and both the first flexible pad and the second flexible pad are provided with a relatively thick central pad and a relatively thin binding sheet which can be folded relative to the central pad; the bottom of the center pad is provided with a first positioning piece used for being fixed to a bed body, the at least two binding pieces are arranged on the left side and the right side of the center pad in a mode that every two binding pieces form a group, and the two binding pieces in each group are correspondingly provided with a first connecting part and a second connecting part which are used for enabling the two folded binding pieces to be detachably connected. The connecting belt is connected between the first flexible cushion and the second flexible cushion in a length-adjustable mode, the positioning piece is connected to the other side, opposite to the connecting belt, of the second flexible cushion, and the positioning piece is provided with a second positioning piece used for being fixed to a bed body. The device is simple in structure, convenient to use and high in adaptability.

Description

TECHNICAL FIELD

[0001] The utility model relates to medical instrument technical field especially, it relates to a fixing device for hemodialysis. BACKGROUND

[0002] In the clinic, hemodialysis is the important treatment mode of kidney replacement of acute and chronic renal failure patient, first, the vascular access is established to the patient when carrying out hemodialysis, and the autologous arteriovenous fistula is the most ideal vascular access of hemodialysis patient, and is called as the lifeline of dialysis patient. A long time use, unobstructed, functional arteriovenous fistula can solve the unnecessary pain and treatment cost of repeated fistula operation to the patient, and can meet the hemodialysis, therefore, how to protect the lifeline of hemodialysis patient, and maximumly prolong the service life of the internal fistula are especially concerned by medical staff.

[0003] The frequency of hemodialysis is generally 2-3 times per week, and 4-5 hours are needed each time, and the patient needs to keep the arteriovenous puncture site relatively fixed during the dialysis process, and the current method of using a pillow to achieve the purpose of positioning is poor in stability and prone to displacement. And, due to the relatively long time of hemodialysis, the patient often falls asleep and loses consciousness, and in the sleep state, the patient will move or move the internal fistula side limb due to involuntary movement of the limbs, and the internal fistula puncture needle is fixed, which leads to the change of the position of the puncture in the blood vessel, and the arteriovenous needle puncture site appears hematoma, which causes the interruption of the dialysis process, and the long-term use and maintenance of the internal fistula after the patient's internal fistula appears hematoma have a fatal influence. In addition, close observation of whether the patient's puncture point has abnormal conditions such as blood leakage and bleeding is often needed during the dialysis process, and at present, only the regular observation of nursing staff can be relied on, but frequent observation will increase the work burden of medical staff, and sometimes the medical staff is busy with other patients, so that the problem of not being able to discover bleeding and blood leakage in time will occur.

[0004] Therefore, a fixing device for hemodialysis with simple structure, convenient to use, good positioning effect and high adaptability is needed to solve the above problems, so as to effectively fix the puncture arm. Utility model content

[0005] The utility model relates to a fixing device for hemodialysis with simple structure, convenient to use, good positioning effect and high adaptability, which can effectively fix the puncture arm.

[0006] To achieve the above object, the utility model discloses a fixing device for hemodialysis, the fixing device for hemodialysis includes first flexible pad, second flexible pad, connecting band and positioning sheet, first flexible pad with second flexible pad is arranged apart, both have relatively thick center pad and relatively thin and can be opposite the center pad and fold the restraint sheet, the bottom of center pad is equipped with first positioning piece for with bed body fixed, at least two the restraint sheet is arranged in the left and right two opposite sides of center pad as a group, the first connecting portion and the second connecting portion for making two restraint sheets after folding can be detachably connected are equipped on two restraint sheets of each group correspondingly, the connecting band length is adjustably connected between first flexible pad with second flexible pad, the positioning sheet is connected on the other side opposite with connecting band of second flexible pad, and the positioning sheet has second positioning piece for with bed body fixed on.

[0007] Preferably, the center pad includes a positioning layer and a skin-friendly layer that are integrated, the hardness of the positioning layer is greater than the hardness of the skin-friendly layer, and the first positioning piece is arranged at the bottom of the positioning layer.

[0008] Preferably, the center pad includes a pad cover and a filler filled in the pad cover, the filler is foam, memory cotton or air, and the first positioning piece is arranged at the bottom of the pad cover.

[0009] Preferably, the restraint sheet is a transparent soft plastic sheet or a soft silica gel sheet foldably connected to the side end of the center pad, or the restraint sheet has a body portion foldably connected to the side end of the center pad, and the body portion is embedded with a transparent soft plastic sheet or a soft silica gel sheet.

[0010] Preferably, the center of the end of the first flexible pad and the center of the head of the second flexible pad are arranged with arc grooves, and the connecting band is connected to the centers of the two arc grooves.

[0011] Preferably, the connecting band is an elastic band or a nylon band, and the nylon band is wound with a regulation round buckle or a buckle.

[0012] Preferably, the first positioning piece is a magnet, and the magnet is used for magnetically connecting with a magnet or a metal plate arranged on the bed body.

[0013] Preferably, the first connecting portion and the second connecting portion are detachably connected fixing buckles and fixing holes, hook surfaces and hair surfaces, magnets or bandages.

[0014] Preferably, the second positioning member comprises a bottom positioning part arranged at the bottom of the positioning sheet, which is a magnet for magnetic connection with a magnet or a metal plate arranged on the bed body, or a hook surface for adhesive connection with a rough surface arranged on the bed body, or a side positioning part arranged at the side end of the positioning sheet, which is a restraint belt having a magnet for magnetic connection with a magnet or a metal plate arranged on the bed body, or a hook surface for adhesive connection with a rough surface arranged on the bed body.

[0015] Preferably, the fixing device for hemodialysis further comprises an auxiliary connecting member, which comprises an auxiliary connecting sheet, at least two positioning belts arranged on opposite sides of the auxiliary connecting sheet in pairs, a third positioning member and a fourth positioning member arranged on the auxiliary connecting sheet in a spaced manner, the third positioning member is arranged in one-to-one correspondence with the first positioning member, and the fourth positioning member is arranged in one-to-one correspondence with the second positioning member, and the two positioning belts in each pair are detachably connected to the bed body, or the two positioning belts in each pair are detachably connected to opposite bottom side ends of the bed body.

[0016] Compared with the prior art, in the fixing device for hemodialysis, on the one hand, the first flexible pad and the second flexible pad are arranged in a spaced manner, the center pad of the first flexible pad and the second flexible pad is fixed to the bed body through the first positioning member at the bottom thereof, and the upper arm and the lower arm of the patient are supported and fixed, wherein the center pad is relatively thick, and when the upper arm and the lower arm of the patient are placed thereon, not only the positioning effect is achieved, but also the comfort is improved, the folding of the restraint sheets on the two sides is facilitated, the restraint sheets after folding are connected to each other through the detachable connection between the first connecting part and the second connecting part arranged on the restraint sheets on the two sides, so that the upper arm and the lower arm on the center pad are constrained and fixed, and the movement of the upper arm and the lower arm is effectively prevented, the fixing device for hemodialysis has a simple overall structure and is convenient to use, the stability of positioning is effectively improved through the strengthened connection with the bed body, the displacement is effectively prevented, the effective fixing of the internal fistula side limb and the internal fistula puncture needle is realized, the positioning effect is good, and the comfort is high. On the other hand, the connecting belt is adjustably connected between the first flexible pad and the second flexible pad, so that the length of the connecting belt can be adjusted to match the arm length of the patient, so as to adapt to the use requirements of different patients, in addition, the first connecting part and the second connecting part are detachably connected, not only the internal fistula side limb and the internal fistula puncture needle can be fixed, but also the use requirements of patients with different arm circumferences can be adapted through the adjustment of the connection position between the first connecting part and the second connecting part, the comfort is high, and the adaptability is strong. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 is a front plan view of the fixing device for hemodialysis.

[0018] Figure 2 is the back view of the fixing device for hemodialysis.

[0019] Figure 3 is the side view of the first flexible pad and the second flexible pad.

[0020] Figure 4 is the plan view of the fixing device for hemodialysis with the binding piece having the bandage.

[0021] Figure 5 is the plan view of the fixing device for hemodialysis with multiple binding pieces.

[0022] Figure 6 is the plan view of the fixing device for hemodialysis with the auxiliary connecting piece.

[0023] Figure 7 is the plan view of the auxiliary connecting piece. DETAILED DESCRIPTION

[0024] In order to describe the technical content and structural features of the fixing device for hemodialysis in detail, the following further description is made in combination with the embodiments and the accompanying drawings.

[0025] Referring to Figures 1 to 7 The fixing device for hemodialysis 100 is used for fixing the arms of a patient who is undergoing hemodialysis, so as to prevent the internal fistula side limb and the internal fistula puncture needle from moving, thereby ensuring the smooth completion of dialysis treatment. Overall, the fixing device for hemodialysis 100 comprises a first flexible pad 10, a second flexible pad 20, a connecting belt 30 and a positioning piece 40. The first flexible pad 10 and the second flexible pad 20 are arranged in a spaced manner. The connecting belt 30 is adjustably connected between the first flexible pad 10 and the second flexible pad 20. The positioning piece 40 is connected to the other side of the second flexible pad 20 opposite to the connecting belt 30. In use, the upper arm, the lower arm and the hand of the patient are fixed on the bed body of the bed on which the patient is dialyzed by the first flexible pad 10, the second flexible pad 20 and the positioning piece 40 respectively, so as to effectively fix the internal fistula side limb and the internal fistula puncture needle, and ensure the smooth completion of dialysis. The connecting belt 30 can not only connect the first flexible pad 10 and the second flexible pad 20, but also adjust the distance between the first flexible pad 10 and the second flexible pad 20 through the connecting belt 30, so as to adapt to the use of patients with different arm lengths.

[0026] The first flexible pad 10 and the second flexible pad 20 are substantially identical in structure, and both have a relatively thick central pad 50 and a relatively thin binding sheet 60, which can be folded relative to the central pad 50 to approach or move away from each other to fix or release the upper arm and the lower arm placed on the corresponding central pad 50. The bottom of the central pad 50 is provided with a first positioning member 51 for fixing with the bed body. The number of the binding sheets 60 is at least two, and at least two binding sheets 60 are arranged on the left and right opposite sides of the central pad 50 as a group. The first connecting part 61 and the second connecting part 62 are arranged on the two binding sheets 60 of each group correspondingly to detachably connect the two binding sheets 60 after being folded. The positioning sheet 40 has a second positioning member 41 for fixing with the bed body, so as to fix the hand placed on the positioning sheet 40 on the bed body.

[0027] Specifically, in some embodiments, the first positioning member 51 is a magnet for magnetically connecting with a magnet or a metal plate arranged on the bed body. This design is simple in structure and convenient to operate. Of course, in some embodiments, the central pad 50 and the bed body can also be detachably connected simply and conveniently through a magic tape. Specifically, the bed body is provided with a hook surface, and the first positioning member 51 is a hair surface for adhesively connecting with the hook surface arranged on the bed body. Specifically, the first connecting part 61 and the second connecting part 62 are detachably connected fixing buckles and fixing holes, hook surfaces and hair surfaces, magnets or straps.

[0028] More specifically, for example, as shown in Figure 1 and Figure 2 , each side of the two central pads 50 has a group of binding sheets 60. The first connecting part 61 is a hair surface arranged on one of the two binding sheets 60, and the second connecting part 62 is a hook surface arranged on the other of the two binding sheets 60, so as to realize detachable connection between the two binding sheets 60 through adhesive connection between the hook surface and the hair surface. At least one of the first connecting part 61 and the second connecting part 62 is relatively long, so as to provide a position adjustment space and facilitate adjustment and use of patients with different arm circumferences. Of course, as shown in Figure 4 , when each side of each central pad 50 has a group of binding sheets 60, the first connecting part 61 and the second connecting part 62 arranged correspondingly on the two binding sheets 60 are both straps, and detachable connection between the two binding sheets 60 can also be realized through lacing of the two straps. As shown in Figure 5 , each side of each central pad 50 has two groups of binding sheets 60 arranged at intervals. The first connecting part 61 on one of the two binding sheets 60 of each group is a hair surface, and the second connecting part 62 on the other is a hook surface. Of course, the first connecting part 61 and the second connecting part 62 can also both be straps. It should be noted that, in order to facilitate understanding, the second connecting part 62 in Figure 1 and the first connecting part 61 in Figure 2 are shown in dashed lines due to occlusion.

[0029] Referring to Figure 3 , in particular, in some embodiments, the central pad 50 is a filling structure, which comprises a pad cover 52 and a filler 53 filled in the pad cover 52, the pad cover 52 is made of soft cotton, flannelette, linen or silicone material capable of directly contacting the skin and being relatively soft, the filler 53 is foam, memory foam or air, and the first positioning member 51 is arranged at the bottom of the pad cover 52. In particular use, the pad cover 52 of the central pad 50 can be cleaned and the filler 53 can be replaced according to needs. The filler 53 can be in an integral or split block structure as shown by the dashed line in Figure 3 , or in a granular structure.

[0030] Of course, in some embodiments, the central pad 50 is a layered structure, which comprises a positioning layer and a skin-friendly layer superimposed as a whole, the positioning layer and the skin-friendly layer both have a certain thickness, the hardness of the positioning layer is greater than that of the skin-friendly layer. The first positioning member 51 is arranged at the bottom of the positioning layer, so that the positioning layer is tightly attached to the bed body, improving the stability of the connection, and the skin-friendly layer is a soft cotton layer, a flannelette layer, a linen layer or a silicone layer capable of directly contacting the skin and being relatively soft, so as to improve the comfort of use.

[0031] Referring to Figures 1 to 4 , in particular, the restraint sheet 60 can be made of soft cotton, flannelette, linen or nylon material capable of directly contacting the skin and being relatively soft. Of course, the restraint sheet 60 can also be provided with an observation window made of transparent material, so as to effectively observe the fixation of the internal fistula needle and the dialysis pipeline during dialysis, determine whether there is bleeding of the dressing, internal fistula extravasation, and folding and twisting of the dialysis pipeline, so as to ensure the smooth progress of dialysis.

[0032] As shown in Figure 1 , Figure 2 and Figure 5 , in some embodiments, the restraint sheet 60 is provided as a transparent soft plastic sheet or a soft silicone sheet foldably connected to the side end of the central pad 50, so as to be observed. The restraint sheet 60 can be sewn or adhered to the central pad 50, or the restraint sheet 60 and the central pad 50 are detachably connected through fixing buckles and fixing holes, hook surfaces and loop surfaces or a band provided correspondingly on both and cooperating with each other.

[0033] As shown in Figure 3 and Figure 4As shown, in some embodiments, the binding piece 60 is provided with a body part 63 foldably connected to the side end of the central pad 50, and a transparent soft plastic sheet or soft silica gel sheet 64 is embedded in the body part 63. The body part 63 can be made of soft cotton, flannelette, linen or nylon material which can directly contact the skin and is relatively soft, and the binding piece 60 and the central pad 50 can be integrally formed, or can be detachably connected through sewing or through the fixing buckles and fixing holes, hook surfaces and loop surfaces or bands correspondingly arranged on the two and cooperated with each other. The transparent soft plastic sheet or soft silica gel sheet 64 can be alternatively embedded in the embedding groove of the body part 63, so that the soft silica gel sheet 64 or the soft plastic sheet which is relatively blurred after being used for a period of time can be taken out from the slot of the embedding groove according to the need to be replaced. In the above embodiments, the soft plastic sheet or soft silica gel sheet 64 is shown by a dashed line due to the shielding. Figure 3

[0034] Referring to Figure 1 , Figure 2 , Figure 4 and Figure 5 , specifically, the center of the end of the central pad 50 of the first flexible pad 10 and the center of the head end of the central pad 50 of the second flexible pad 20 are arranged with arc-shaped grooves 50a, and the connecting band 30 is connected to the centers of the two arc-shaped grooves 50a. Specifically, the two arc-shaped grooves 50a are mirror image arranged. The head and tail ends of the connecting band 30 are respectively sewn to the two central pads 50. The connecting band 30 is an elastic band, so that the distance between the two central pads 50 can be conveniently and easily changed through the stretchability of the elastic band itself to adapt to the use of patients with different arm lengths. Of course, the connecting band 30 can also be a nylon band, and a regulating round buckle or a round buckle is wound on the nylon band, and the length adjustment can also be realized.

[0035] Referring to Figure 1 , Figure 2 , Figure 4 and Figure 5 ​, specifically, the size of the positioning sheet 40 for fixing the hand is relatively smaller than the size of the first flexible pad 10 and the second flexible pad 20. The second positioning member 41 comprises a bottom positioning part 411 arranged at the bottom of the positioning sheet 40 or / and a side positioning part 412 arranged at the side end of the positioning sheet 40. The bottom positioning part 411 is a magnet for magnetically connecting with a magnet or a metal plate arranged on the bed body, or the bottom positioning part 411 is a hook surface for adhesively connecting with a rough surface arranged on the bed body. The side positioning part 412 is a restraint belt, and the restraint belt is provided with a magnet for magnetically connecting with a magnet or a metal plate arranged on the bed body or a hook surface 4121 for adhesively connecting with a rough surface arranged on the bed body. In addition, in order to strengthen the fixation of the hand, in some embodiments, the second positioning member 41 further comprises a restraint bag 413 arranged at the top side end of the positioning sheet 40. The restraint bag 413 is similar to a glove and has a certain elasticity. The hand can be inserted into the restraint bag 413 from the bag opening of the restraint bag 413 to prevent finger movement. In actual use, the free end of the side positioning part 412 can be wound around the restraint bag 413 from one side of the restraint bag 413 and fixed to the other side of the restraint bag 413 according to needs.

[0036] Referring to Figure 6 and Figure 7 , specifically, in order to improve adaptability, the fixing device 100 for hemodialysis of the utility model further comprises an auxiliary connecting member 70. When the metal plate and the magnet for magnetic connection are not arranged on the bed body of the dialysis bed, or the rough surface or the hook surface of the magic tape for adhesion is not arranged on the bed body, the positioning and connection between the first flexible pad 10, the second flexible pad 20 and the positioning sheet 40 and the bed body can be realized through the auxiliary connection of the auxiliary connecting member 70. Specifically, the auxiliary connecting member 70 comprises an auxiliary connecting sheet 71, at least two positioning belts 72 arranged in pairs on the left and right opposite sides of the auxiliary connecting sheet 71, a third positioning member 73 and a fourth positioning member 74 arranged on the auxiliary connecting sheet 71 in a spaced manner. Each pair of two positioning belts 72 is detachably connected to the bed body, or each pair of two positioning belts 72 is detachably connected to the opposite bottom side ends of the bed body, so as to fix the entire auxiliary connecting sheet 71 on the bed body. The third positioning member 73 and the first positioning member 51 are arranged in one-to-one correspondence, the fourth positioning member 74 and the second positioning member 41 are arranged in one-to-one correspondence, and the third positioning member 73 and the fourth positioning member 74 correspond to the metal plate or the magnet for magnetically connecting the first positioning member 51 and the second positioning member 41, or the rough surface or the hook surface of the magic tape for adhesion. The area of the third positioning member 73 is larger than the area of the first positioning member 51, so as to adapt to the corresponding connection of two first positioning members 51 with different distances.

[0037] Specifically, the fourth positioning member 74 includes a front positioning part 741 detachably connected with the bottom positioning part 411 or / and a side positioning part 742 detachably connected with the side positioning part 412. The front positioning part 741 and the side positioning part 742 are specifically metal plates or magnets for magnetic connection, or the male surface or the female surface of the magic tape for adhesion. It should be noted that when the auxiliary connecting piece 70 is magnetically connected with the first positioning member 51 and the second positioning member 41, the magnetic connection can be simply and conveniently realized by setting the auxiliary connecting piece 71 as a metal plate. At this time, the third positioning member 73 and the fourth positioning member 74 can be omitted.

[0038] Compared with the prior art, in the fixing device 100 for hemodialysis, on the one hand, the first flexible pad 10 and the second flexible pad 20 are arranged in a spaced manner, and the center pad 50 is fixed to the bed body through the first positioning member 51 arranged on the bottom of each center pad 50, and the upper arm and the lower arm of the patient are supported and fixed respectively. Among them, the center pad 50 is relatively thick, when the upper arm and the lower arm of the patient are placed on it, not only plays a role of cushioning and positioning, but also is more comfortable, and the two relatively thin restraint pieces 60 are convenient to fold, and the two restraint pieces 60 are detachably connected through the first connecting part 61 and the second connecting part 62 arranged thereon, so that each group of restraint pieces 60 after folding can be connected with each other, thereby restraining and fixing the upper arm and the lower arm on the center pad 50, effectively preventing the movement of the upper arm and the lower arm. The fixing device 100 for hemodialysis has simple overall structure, is convenient to use, effectively improves the stability of positioning by strengthening the connection with the bed body, effectively prevents displacement, realizes effective fixing of the internal fistula side limb and the internal fistula puncture needle, has good positioning effect and high use comfort. On the other hand, the connecting belt 30 is adjustably connected between the first flexible pad 10 and the second flexible pad 20, so that the length of the connecting belt 30 can be adjusted to match the arm length of the patient, so as to adapt to the use needs of different patients. In addition, the first connecting part 61 and the second connecting part 62 are detachably connected, which not only can fix the internal fistula side limb and the internal fistula puncture needle, but also can adjust the connection position between the first connecting part 61 and the second connecting part 62 to adapt to the use needs of patients with different arm circumferences, so as to have high use comfort and strong adaptability.

[0039] The above disclosure is only a preferred embodiment of the utility model, which cannot limit the scope of the utility model, and equivalent changes made according to the utility model claims all belong to the scope covered by the utility model.

Claims

1. A fixing device for hemodialysis, characterized by comprising: The blood dialysis fixing device comprises a first flexible pad, a second flexible pad, a connecting belt and a positioning sheet, the first flexible pad and the second flexible pad are arranged in a spaced manner, both have a relatively thick central pad and a relatively thin restraint sheet which can be folded relative to the central pad, the bottom of the central pad is provided with a first positioning member for fixing with a bed body, at least two restraint sheets are arranged in a group on the left and right opposite sides of the central pad, the first connecting part and the second connecting part for detachably connecting the two restraint sheets after folding are correspondingly provided on the two restraint sheets of each group, the connecting belt is adjustably connected between the first flexible pad and the second flexible pad, the positioning sheet is connected to the other side of the second flexible pad opposite to the connecting belt, and the positioning sheet is provided with a second positioning member for fixing with the bed body.

2. The hemodialysis fixing device according to claim 1, wherein The central pad comprises a positioning layer and a skin-friendly layer which are integrated, the hardness of the positioning layer is greater than that of the skin-friendly layer, and the first positioning member is arranged at the bottom of the positioning layer.

3. The hemodialysis fixing device according to claim 1, wherein The central pad comprises a pad cover and a filler filled in the pad cover, the filler is foam, memory cotton or air, and the first positioning member is arranged at the bottom of the pad cover.

4. The hemodialysis fixing device according to claim 1, wherein The restraint sheet is a transparent soft plastic sheet or soft silica gel sheet which is foldably connected to the side end of the central pad, or the restraint sheet has a body part which is foldably connected to the side end of the central pad, and the body part is embedded with a transparent soft plastic sheet or soft silica gel sheet.

5. The hemodialysis fixing device according to claim 1, wherein The center of the end of the first flexible pad and the center of the head of the second flexible pad are both arranged with arc-shaped grooves, and the connecting belt is connected to the centers of the two arc-shaped grooves.

6. The hemodialysis fixation device of claim 1, wherein The connecting belt is an elastic belt or a nylon belt, and the nylon belt is provided with a day buckle or an eye buckle for adjustment.

7. The hemodialysis fixing device according to claim 1, wherein The first positioning member is a magnet which is used for magnetically connecting with a magnet or a metal plate arranged on the bed body.

8. The hemodialysis fixing device according to claim 1, wherein The first connecting part and the second connecting part are detachably connected fixing buckles and fixing holes, hook surfaces and hair surfaces, magnets or straps.

9. The hemodialysis fixing device according to claim 1, wherein The second positioning member comprises a bottom positioning part arranged at the bottom of the positioning sheet and / or a side positioning part arranged at the side end of the positioning sheet, the bottom positioning part is a magnet which is used for magnetically connecting with a magnet or a metal plate arranged on the bed body, or a hook surface which is used for adhesively connecting with a hair surface arranged on the bed body, and the side positioning part is a restraint belt which is provided with a magnet which is used for magnetically connecting with a magnet or a metal plate arranged on the bed body or a hook surface which is used for adhesively connecting with a hair surface arranged on the bed body.

10. The hemodialysis fixing device according to claim 1, wherein The blood dialysis fixing device further comprises an auxiliary connecting member, the auxiliary connecting member comprises an auxiliary connecting sheet, at least two positioning belts arranged in pairs on the left and right opposite sides of the auxiliary connecting sheet, a third positioning member and a fourth positioning member arranged in a spaced manner on the auxiliary connecting sheet, the third positioning member and the first positioning member are arranged in one-to-one correspondence, the fourth positioning member and the second positioning member are arranged in one-to-one correspondence, the two positioning belts of each pair are detachably connected to the bed body respectively, or the two positioning belts of each pair are detachably connected to the opposite bottom side ends of the bed body.

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