Hemodialysis catheter fixing device

Abstract

The utility model provides a hemodialysis catheter fixing device, and relates to the technical field of hemodialysis catheter fixing devices, the hemodialysis catheter fixing device comprises a fixing plate, a fixing structure is arranged on the fixing plate, the fixing structure is mainly composed of two first limiting blocks, the two first limiting blocks are both arranged on the fixing plate, and the first limiting blocks are arranged on the fixing plate. A first limiting block is arranged on the base, a rotating shaft is rotationally connected to the first limiting block, a second limiting block is fixedly connected to the rotating shaft, rubber blocks are fixedly connected to the first limiting block and the second limiting block, a connecting block is fixedly connected to the first limiting block, and a connecting groove is formed in the second limiting block; the hemodialysis catheter fixing device solves the problem that the hemodialysis catheter between a hemodialysis instrument and a patient naturally falls down under the action of gravity and scatters on the ground due to the fact that an existing hemodialysis catheter is usually directly fixed on the hemodialysis instrument, a venous catheter and an arterial catheter are prone to being wound, and the hemodialysis effect is affected.

Description

TECHNICAL FIELD

[0001] The utility model relates to hemodialysis catheter fixing device technical field especially relates to a hemodialysis catheter fixing device. BACKGROUND

[0002] Hemodialysis is a kind of blood purification technology, mainly in clinical puncture in the upper limbs of patient, the blood in the body is drained to the outside of the body, enters the dialyzer composed of multiple hollow fibers and carries out material exchange, removes the metabolic waste in the body, maintains electrolyte and acid-base balance, and removes excess water in the body, and the purified blood is returned, to avoid the entanglement between hemodialysis catheter and related monitoring instrument pipeline or the drag of catheter due to its own weight, the corresponding fixing device needs to be used to fix the hemodialysis catheter.

[0003] The staff often finds in the process of using the current hemodialysis catheter fixing device that the current hemodialysis catheter is usually directly fixed on the dialysis instrument, the hemodialysis catheter between the dialysis instrument and the patient naturally falls under the action of gravity, and is scattered on the ground, which is easy to cause the entanglement of the venous tube and the arterial tube, and the dialysis effect is affected. UTILITY MODEL CONTENT

[0004] The utility model aims at solving the shortcomings in the prior art and provides a hemodialysis catheter fixing device.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a hemodialysis catheter fixing device, including fixed plate, the fixed plate is provided with fixed structure, the fixed structure is mainly composed of two first limit blocks, two the first limit block is arranged on the fixed plate, the first limit block is rotatably connected with the shaft, the shaft is fixedly connected with the second limit block, the first limit block and the second limit block are fixedly connected with the rubber block, the first limit block is fixedly connected with the connecting block, the second limit block is provided with connecting groove.

[0006] The effect reached by the above-mentioned components is that the second limit block is rotated, the catheter is clamped in the first limit block, then the second limit block is rotated, so that the connecting block is clamped into the connecting groove, the catheter can be positioned, the rubber block can improve the friction between the catheter, to improve the positioning effect, so as to avoid the current hemodialysis catheter, which is usually directly fixed on the dialysis instrument, the hemodialysis catheter between the dialysis instrument and the patient naturally falls under the action of gravity, and is scattered on the ground, which is easy to cause the entanglement of the venous tube and the arterial tube, and the dialysis effect is affected.

[0007] Preferably, a first magnetic block is fixedly connected to the connecting block, a second magnetic block is fixedly connected to the connecting groove, and the two surfaces of the first magnetic block and the second magnetic block that are in contact with each other are of opposite poles.

[0008] The above-mentioned components achieve the effect that the first magnetic block and the second magnetic block are attracted together, so that the connection of the first limiting block and the second limiting block is more stable.

[0009] Preferably, a first spring is sleeved on the rotating shaft, one end of the first spring is fixedly connected to the first limiting block, and the other end of the first spring is fixedly connected to the second limiting block.

[0010] The above-mentioned components achieve the effect that when the second limiting block is opened, the two first springs are in a twisted state, so that when the catheter is clamped into the first limiting block, the second limiting block is connected with the first limiting block under the action of the elastic force of the first spring, so that the operation is more convenient.

[0011] Preferably, two sliding grooves are formed in the fixed plate, and the sliding grooves are in sliding connection with the first limiting block.

[0012] The above-mentioned components achieve the effect that when the catheter is pulled, the first limiting block will slide in the sliding groove, preventing the catheter from being pulled and causing damage.

[0013] Preferably, two second springs are fixedly connected in the sliding groove, and one end of the second spring is fixedly connected to the first limiting block.

[0014] The above-mentioned components achieve the effect that when the catheter is pulled to move the first limiting block, the two second springs will be deformed, and then reset, facilitating the next limiting.

[0015] Preferably, an installation structure is arranged on the fixed plate, the installation structure mainly comprises an electric telescopic rod, the electric telescopic rod is fixedly connected to the fixed plate, and one end of the electric telescopic rod is fixedly connected with a mounting block.

[0016] The above-mentioned components achieve the effect that the mounting block is installed on the hospital bed, the electric telescopic rod is started to drive the fixed plate to move, so as to adjust the height of the catheter.

[0017] Preferably, two sliding grooves are formed in the mounting block, two clamping blocks are in sliding connection in the sliding grooves, a bidirectional screw rod is in rotary connection in the sliding groove, the directions of the threads of the two sections of the bidirectional screw rod are opposite, and the bidirectional screw rod is in threaded connection with the clamping blocks.

[0018] The above-mentioned components achieve the effect that the staff can rotate the two bidirectional screw rods to drive the clamping blocks to slide synchronously and reversely, so that the clamping is more stable.

[0019] Preferably, the bidirectional screw is fixedly connected with a belt pulley, the two belt pulleys are provided with a transmission belt, and one bidirectional screw is fixedly connected with a crank handle.

[0020] The above components have the effect that the staff can manually rotate the crank handle to drive one bidirectional screw to rotate, and then drive one belt pulley to rotate, and the two belt pulleys rotate synchronously under the action of the transmission belt, and then drive the two bidirectional screws to rotate synchronously, so that the operation is more convenient.

[0021] Compared with the prior art, the advantages and positive effects of the utility model lie in that, in the utility model, the fixed structure is arranged, the catheter is clamped in the first limiting block by rotating the second limiting block, the second limiting block is clamped into the connecting groove, the catheter is limited, the rubber block can improve the friction between the catheter to improve the limiting effect, the first magnetic block and the second magnetic block are attracted together, the connection of the first limiting block and the second limiting block is more stable, when the second limiting block is opened, the two first springs are in the twisted state, when the catheter is clamped in the first limiting block, the second limiting block is connected with the first limiting block under the action of the elastic force of the first spring, the operation is more convenient, when the catheter is pulled, the first limiting block slides in the sliding groove, the pulling of the catheter is prevented, when the catheter is pulled to drive the first limiting block to move, the two second springs are deformed, and then reset, the next time limiting is convenient, so that the situation that the blood dialysis catheter is usually directly fixed on the dialysis instrument, the blood dialysis catheter between the dialysis instrument and the patient is naturally dropped under the action of gravity, and is scattered on the ground, the static vein and the artery are easily entangled, and the dialysis effect is affected is avoided. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 A three-dimensional structure schematic diagram of the blood dialysis catheter fixing device is provided for the utility model;

[0023] Figure 2 Another three-dimensional structure schematic diagram of the blood dialysis catheter fixing device is provided for the utility model;

[0024] Figure 3 A partial schematic diagram of the fixing structure of the blood dialysis catheter fixing device is provided for the utility model;

[0025] Figure 4 A partial schematic diagram of the mounting structure of the blood dialysis catheter fixing device is provided for the utility model.

[0026] Illustration: 1, fixed plate; 2, fixed structure; 21, first limiting block; 22, rotating shaft; 23, second limiting block; 24, first spring; 25, connecting block; 26, connecting groove; 27, first magnetic block; 28, second magnetic block; 29, rubber block; 210, sliding groove; 211, second spring; 3, mounting structure; 31, electric telescopic rod; 32, mounting block; 33, sliding groove; 34, clamping block; 35, bidirectional screw rod; 36, pulley; 37, transmission belt; 38, crank. DETAILED DESCRIPTION

[0027] In Example 1, as shown in the drawings, a hemodialysis catheter fixing device includes a fixed plate 1. Figure 1

[0028] Referring to Figures 1 to 3 ​The fixed plate 1 is provided with a fixed structure 2, the fixed structure 2 is mainly composed of two first limiting blocks 21, the two first limiting blocks 21 are arranged on the fixed plate 1, a rotating shaft 22 is rotatably connected to the first limiting block 21, a second limiting block 23 is fixedly connected to the rotating shaft 22, rubber blocks 29 are fixedly connected to the first limiting block 21 and the second limiting block 23, a connecting block 25 is fixedly connected to the first limiting block 21, a connecting groove 26 is arranged on the second limiting block 23, the catheter is clamped in the first limiting block 21, and then the second limiting block 23 is rotated, so that the connecting block 25 is clamped into the connecting groove 26, the catheter can be positioned, the rubber blocks 29 can improve the friction between the catheter and the catheter, so that the positioning effect is improved, so that the catheter is directly fixed on the dialysis instrument, the catheter between the dialysis instrument and the patient is naturally dropped under the action of gravity, and the catheter is scattered on the ground, so that the static vein and the artery are easily entangled, and the dialysis effect is affected, the connecting block 25 is fixedly connected with a first magnetic block 27, the connecting groove 26 is fixedly connected with a second magnetic block 28, two surfaces of the first magnetic block 27 and the second magnetic block 28 in contact are opposite poles, the first magnetic block 27 and the second magnetic block 28 are attracted together, the connection between the first limiting block 21 and the second limiting block 23 is more stable, a first spring 24 is arranged on the rotating shaft 22, one end of the first spring 24 is fixedly connected to the first limiting block 21, and the other end of the first spring 24 is fixedly connected to the second limiting block 23, when the second limiting block 23 is opened, the two first springs 24 are in a twisted state, so that when the catheter is clamped into the first limiting block 21, the second limiting block 23 is connected with the first limiting block 21 under the action of the elastic force of the first spring 24, so that the operation is more convenient, two sliding grooves 210 are arranged on the fixed plate 1, the sliding grooves 210 are slidably connected with the first limiting block 21, when the catheter is pulled, the first limiting block 21 slides in the sliding groove 210, so that the catheter is prevented from being pulled and damaged, two second springs 211 are fixedly connected in the sliding groove 210, one end of the second spring 211 is fixedly connected to the first limiting block 21, when the catheter is pulled and drives the first limiting block 21 to move, the two second springs 211 are deformed, and then rebound to reset, so that the next time of positioning is facilitated.

[0029] Referring to Figure 2 and Figure 4The mounting structure 3 is mainly composed of an electric telescopic rod 31, the electric telescopic rod 31 is fixedly connected to the fixed plate 1, one end of the electric telescopic rod 31 is fixedly connected with a mounting block 32, the mounting block 32 is mounted on the hospital bed, the electric telescopic rod 31 can be started to drive the fixed plate 1 to move, so as to adjust the height of the catheter, two sliding grooves 33 are formed in the mounting block 32, two clamping blocks 34 are slidably connected in the sliding grooves 33, a bidirectional screw 35 is rotatably connected in the sliding grooves 33, the two threads on the bidirectional screw 35 are opposite in direction, the bidirectional screw 35 is threadedly connected with the clamping blocks 34, the staff can simultaneously rotate the two bidirectional screws 35 to drive the clamping blocks 34 to synchronously slide reversely, so that the clamping is more stable, a belt pulley 36 is fixedly connected to the bidirectional screw 35, the two belt pulleys 36 are commonly provided with a transmission belt 37, a crank 38 is fixedly connected to one bidirectional screw 35, the staff can manually rotate the crank 38 to drive one bidirectional screw 35 to rotate, and then one belt pulley 36 can be driven to rotate, the two belt pulleys 36 are synchronously rotated under the action of the transmission belt 37, and then the two bidirectional screws 35 are synchronously rotated, so that the operation is more convenient.

[0030] The working principle is that the second limiting block 23 is rotated, the catheter is clamped in the first limiting block 21, and then the second limiting block 23 is rotated, so that the connecting block 25 is clamped into the connecting groove 26, and the catheter is limited, the rubber block 29 can improve the friction between the catheter, so as to improve the limiting effect, so that the catheter is not scattered on the ground, the static vein pipe and the artery pipe are not easily entangled, and the dialysis effect is not affected, the first magnetic block 27 and the second magnetic block 28 are attracted together, so that the connection of the first limiting block 21 and the second limiting block 23 is more stable, when the second limiting block 23 is opened, the two first springs 24 are in a twisted state, so that when the catheter is clamped in the first limiting block 21, the second limiting block 23 is connected with the first limiting block 21 under the action of the elastic force of the first spring 24, so that the operation is more convenient, when the catheter is pulled, the first limiting block 21 slides in the sliding groove 210, so that the catheter is not pulled and damaged, when the catheter is pulled to drive the first limiting block 21 to move, the two second springs 211 are deformed and then reset, so that the next limiting is convenient, the mounting block 32 is mounted on the hospital bed, the electric telescopic rod 31 can be started to drive the fixed plate 1 to move, so as to adjust the height of the catheter, the staff can simultaneously rotate the two bidirectional screws 35 to drive the clamping blocks 34 to synchronously slide reversely, so that the clamping is more stable, the staff can manually rotate the crank 38 to drive one bidirectional screw 35 to rotate, and then one belt pulley 36 can be driven to rotate, the two belt pulleys 36 are synchronously rotated under the action of the transmission belt 37, and then the two bidirectional screws 35 are synchronously rotated, so that the operation is more convenient.

[0031] The above merely describes preferred embodiments of the present application, and is not intended to limit the present application in other forms. Any skilled person in the art can modify or change the above disclosed technical content to equivalent embodiments applied to other fields, but any simple modification, equivalent change and modification made to the above embodiments without departing from the technical solution of the present application, according to the technical essence of the present application, still belong to the protection scope of the technical solution of the present application. In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "connection" and "connection" should be understood broadly, for example, it can be fixedly connected, or integrally connected; it can be mechanically connected, or electrically connected; it can be directly connected, or indirectly connected through an intermediate medium; it can be connected inside two elements. For ordinary skilled persons in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

Claims

1. A haemodialysis catheter fixation device comprising a fixation plate (1), characterised in that: The fixed plate (1) is provided with a fixed structure (2), the fixed structure (2) is mainly composed of two first limit blocks (21), two first limit blocks (21) are arranged on the fixed plate (1), a rotating shaft (22) is rotatably connected to the first limit block (21), a second limit block (23) is fixedly connected to the rotating shaft (22), rubber blocks (29) are fixedly connected to the first limit block (21) and the second limit block (23), a connecting block (25) is fixedly connected to the first limit block (21), and a connecting groove (26) is formed in the second limit block (23); The fixed plate (1) is provided with an installation structure (3), the installation structure (3) is mainly composed of an electric telescopic rod (31), the electric telescopic rod (31) is fixedly connected to the fixed plate (1), and one end of the electric telescopic rod (31) is fixedly connected to a mounting block (32); Two sliding grooves (33) are formed in the mounting block (32), two clamping blocks (34) are slidably connected in the sliding grooves (33), a bidirectional screw rod (35) is rotatably connected in the sliding grooves (33), the two threads on the bidirectional screw rod (35) are opposite in direction, and the bidirectional screw rod (35) is threadedly connected with the clamping block (34).

2. The hemodialysis catheter securement device of claim 1, wherein: The connecting block (25) is fixedly connected with a first magnetic block (27), the connecting groove (26) is fixedly connected with a second magnetic block (28), and the two faces of the first magnetic block (27) and the second magnetic block (28) that are in contact are opposite poles that attract each other.

3. The hemodialysis catheter securement device of claim 2, wherein: A first spring (24) is sleeved on the rotating shaft (22), one end of the first spring (24) is fixedly connected to the first limit block (21), and the other end of the first spring (24) is fixedly connected to the second limit block (23).

4. The hemodialysis catheter securement device of claim 3, wherein: Two sliding grooves (210) are formed in the fixed plate (1), and the sliding grooves (210) are slidably connected with the first limit blocks (21).

5. The hemodialysis catheter securement device of claim 4, wherein: Two second springs (211) are fixedly connected in the sliding grooves (210), and one end of the second spring (211) is fixedly connected to the first limit block (21).

6. The hemodialysis catheter securement device of claim 5, wherein: A belt pulley (36) is fixedly connected to the bidirectional screw rod (35), a transmission belt (37) is arranged on the two belt pulleys (36), and a crank handle (38) is fixedly connected to one bidirectional screw rod (35).

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