CN216148714U

CN216148714U - Hemodialysis appearance convenient to change osmotic membrane

Info

Publication number: CN216148714U
Application number: CN202121525917.5U
Authority: CN
Inventors: 温永波; 淡珊瑚; 赵志友; 杜源
Original assignee: Hejiang Kangcheng Nephrotic Hospital Co ltd
Current assignee: Hejiang Kangcheng Nephrotic Hospital Co ltd
Priority date: 2021-07-06
Filing date: 2021-07-06
Publication date: 2022-04-01
Anticipated expiration: 2031-07-06

Abstract

The utility model relates to the technical field of hemodialysis equipment, in particular to a hemodialysis instrument convenient for replacing a permeable membrane, which comprises a dialysis tank, wherein a sealing cover is arranged above the dialysis tank, a membrane cylinder is arranged inside the dialysis tank, a blood inlet pipe is arranged on the sealing cover, a blood outlet pipe is arranged at the bottom of the dialysis tank, a liquid inlet pipe is arranged at the right side of the dialysis tank and close to the bottom end of the dialysis tank, and a liquid outlet pipe is arranged at the left side of the dialysis tank and close to the top end of the dialysis tank; according to the utility model, the L-shaped groove, the fixing ring, the fixing block and the like are arranged, when the permeable membrane is replaced, the bottom of the membrane cylinder is sleeved with the blood outlet tube, the fixing groove is sleeved with the fixing block, the membrane cylinder is rotated to enable the fixing block to be clamped and matched with the L-shaped groove, then the blood inlet tube is sleeved with the top of the membrane cylinder, and the sealing cover is in threaded connection with the tank opening, so that the membrane cylinder can be installed inside the dialysis tank.

Description

Hemodialysis appearance convenient to change osmotic membrane

Technical Field

The utility model relates to the technical field of hemodialysis equipment, in particular to a hemodialysis instrument with a permeable membrane convenient to replace.

Background

Hemodialysis is one of the kidney replacement treatment modes of patients with acute and chronic renal failure. The blood is drained to the outside of the body, and in a dialyzer consisting of a plurality of hollow fibers, the blood and electrolyte solution (dialysate) with similar body concentration are arranged inside and outside one hollow fiber, and the substance exchange is carried out by the principles of dispersion, ultrafiltration, adsorption and convection, thereby removing the metabolic waste in the body, maintaining the balance of electrolyte and acid and alkali, simultaneously removing excessive water in the body, and the whole process of the purified blood is called hemodialysis. The hemodialysis instrument is a pipeline and a container for solute exchange between blood and dialysate, mainly comprises a supporting structure and a permeable membrane, wherein the permeable membrane exchanges or discharges various harmful and redundant metabolic wastes and excessive electrolytes in the blood of a patient through the functions of dispersion, convection, filtration and the like so as to enable the internal environment of the organism of the patient to be close to that of a normal person, thereby achieving the purpose of purifying the blood.

In the process of diffusion, convection and filtration of the permeable membrane, harmful substances or metabolic wastes are gradually attached to the surface of the permeable membrane, so that the effect of hemodialysis is affected, and the permeable membrane needs to be replaced frequently. The installation of the osmotic membrane on the current hemodialysis appearance is comparatively loaded down with trivial details, need pass through a plurality of steps at change osmotic membrane in-process usually, and the user of service operates and wastes time and energy, causes the waste of time and energy, and the change time overlength simultaneously easily makes the surface of osmotic membrane be infected with the bacterium to cause certain influence to patient's treatment. In view of this, we propose a hemodialysis machine that facilitates the replacement of the permeable membrane.

SUMMERY OF THE UTILITY MODEL

In order to make up for the above deficiencies, the utility model provides a hemodialysis machine with a permeable membrane convenient to replace.

The technical scheme of the utility model is as follows:

the utility model provides a hemodialysis appearance convenient to change osmotic membrane, includes dialysis tank and a membrane section of thick bamboo, be the osmotic membrane around a membrane section of thick bamboo, its characterized in that: the dialysis tank is of a hollow structure with an opening at the top, a liquid inlet pipe is arranged on the right side of the dialysis tank and close to the bottom end of the dialysis tank, a liquid outlet pipe is arranged on the left side of the dialysis tank and close to the top end of the dialysis tank, a tank opening is formed in the top of the dialysis tank, the tank opening and the dialysis tank are integrally formed, a sealing cover capable of being taken down is arranged above the dialysis tank, the membrane cylinder is placed inside the dialysis tank, and two ends of the membrane cylinder are provided with through holes;

the top of sealed lid is provided with into the blood vessel, just it extends to advance the blood vessel the inside of a membrane section of thick bamboo, and with the top of a membrane section of thick bamboo the perforation is sealed cup joints the cooperation, the bottom of dialysis jar is provided with out the blood vessel, just it follows to go out the blood vessel the perforation extends into the inside of a membrane section of thick bamboo, just the perforation with go out the sealed joint cooperation of blood vessel.

As preferred embodiment, the fixed slot has been seted up to the bottom of a membrane section of thick bamboo, four groups evenly distributed's L type grooves have been seted up in the outside that just is located the fixed slot on the membrane section of thick bamboo, go out the vascular outside be provided with the solid fixed ring of fixed slot adaptation, gu fixed ring's the outside is provided with four groups evenly distributed's fixed block, each the size of fixed block with L type groove is corresponding, the fixed block with can with L type groove joint cooperation.

In a preferred embodiment, a plurality of sealing rings which are parallel to each other are arranged on the outer wall of the blood inlet pipe and the outer wall of the blood outlet pipe and positioned inside the membrane cylinder.

As preferred embodiment, the bottom of sealed lid just is located the outside of a membrane section of thick bamboo is equipped with the sealing ring, the sealing ring with the cooperation of membrane section of thick bamboo cup joint, the top of sealed lid just is located and has seted up the seal groove between sealing ring and the sealed lid, the inside of seal groove is equipped with sealed the pad, sealed pad and seal groove joint cooperation.

As preferred embodiment, the outside of dialysis jar just is close to bottom department and is equipped with the height-adjusting frame, the height-adjusting frame is including bottom plate and the activity ring that is parallel to each other, the welding has a plurality of evenly distributed's movable rod between bottom plate and the activity ring, the welding of the top that just is located the feed liquor pipe on the outer wall of dialysis jar has the restriction ring, each the movable rod all runs through the restriction ring, and can sliding connection with the restriction ring.

As the preferred embodiment, on the restriction ring and be located one of them the outside welding of movable rod has the restriction piece, be equipped with adjusting screw on the restriction piece, adjusting screw and restriction piece threaded connection, adjusting screw is last and be close to movable rod department and be equipped with the movable block, the movable block rotates with adjusting screw to be connected, the movable block cooperates with the movable rod joint.

In a preferred embodiment, the sealing cover is in threaded connection with the can mouth.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the dialysis tank, the L-shaped groove, the fixing ring, the fixing block and the like are arranged, when the permeable membrane is replaced, the fixing groove at the bottom of the membrane cylinder is sleeved with the fixing ring, the membrane cylinder is rotated to enable the fixing block to be clamped and matched with the L-shaped groove, the membrane cylinder can be installed inside the dialysis tank, the operation process is simple, the permeable membrane is convenient to replace, the surface of the permeable membrane is prevented from being polluted by bacteria, and therefore dialysis treatment is convenient to carry out.

2. The blood inlet pipe, the blood outlet pipe and the sealing ring are arranged, the blood inlet pipe and the blood outlet pipe are respectively matched with the membrane cylinder in a sleeved mode and are sealed through the sealing ring, so that blood can conveniently flow in the membrane cylinder, the blood is prevented from being mixed with dialysate, and dialysis treatment of a patient is facilitated.

3. The height-adjusting frame is arranged, so that the movable rod slides on the limiting ring, and the movable rod is fixed through the adjusting screw rod and the movable block, so that the height of the dialysis tank can be adjusted, the dialysis tank is adjusted to be at a proper height, and the dialysis treatment of a patient is facilitated.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the bottom of the dialysis tank according to the present invention;

FIG. 3 is a schematic view of the sealing cap according to the present invention;

FIG. 4 is a schematic view of the structure of the bottom of the film cartridge of the present invention;

FIG. 5 is a schematic structural view of the height-adjusting frame of the present invention;

FIG. 6 is a schematic view of a confinement ring of the present invention.

In the figure: 1. a dialysis tank; 11. a tank opening; 2. a sealing cover; 21. a seal ring; 22. a sealing groove; 23. a gasket; 3. A membrane cartridge; 31. fixing grooves; 32. an L-shaped groove; 4. (ii) a blood access vessel; 5. discharging blood vessels; 51. a fixing ring; 52. a fixed block; 6. A liquid inlet pipe; 7. a liquid outlet pipe; 8. heightening; 81. a base plate; 82. a movable ring; 83. a movable rod; 84. a confinement ring; 841. a limiting block; 85. adjusting the screw rod; 86. a movable block; 9. and (5) sealing rings.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Referring to fig. 1-6, the present invention provides a technical solution:

a hemodialysis appearance convenient to change osmotic membrane, is including dialysis tank 1 and membrane section of thick bamboo 3, and the periphery of membrane section of thick bamboo 3 is the osmotic membrane. The dialysis tank 1 is a hollow structure with an opening at the top. Dialysis tank 1's right side just is close to bottom department and is provided with feed liquor pipe 6, can make clean dislysate enter into dialysis tank 1's inside through feed liquor pipe 6, and dialysis tank 1's left side just is close to top department and is provided with drain pipe 7, can discharge dumped dislysate through drain pipe 7.

The top of dialysis jar 1 is equipped with jar mouth 11,

jar mouth

11 and 1 integrated into one piece of dialysis jar, and the top of dialysis jar 1 is equipped with the sealed lid 2 that can take off. The sealing cover 2 and the tank opening 11 can be in threaded connection, the membrane cylinder 3 is placed inside the dialysis tank 1, and two ends of the membrane cylinder 3 are provided with through holes.

It is supplementary to need, the top of sealed lid 2 is provided with into blood vessel 4, advances blood vessel 4 and extends to the inside of membrane section of thick bamboo 3, and with the perforation sealed cup joint cooperation at the top of membrane section of thick bamboo 3. The bottom of dialysis jar 1 is provided with out blood vessel 5, goes out blood vessel 5 and follows the perforation extends into advance the inside of a membrane section of thick bamboo 3, and the perforation with go out the sealed joint cooperation of blood vessel 5, make advance blood vessel 4 and go out blood vessel 5 and can fix a membrane section of thick bamboo 3 to make things convenient for blood to flow into inside a membrane section of thick bamboo 3, thereby reach the purpose of dialysis treatment.

When the dialysis is carried out, blood flows out from the blood outlet pipe 5 through the membrane cylinder 3 from the interior of the blood inlet pipe 4 membrane cylinder 3, the blood flows downwards from top to bottom in the dialysis tank 1, dialysate flows in from the liquid inlet pipe 6, and finally flows out from the liquid outlet pipe 7, and the blood flows upwards from bottom to top in the dialysis tank 1, so that the material exchange between the blood and the dialysate can be fully carried out, and the dialysis effect can be improved.

Preferably, as this embodiment, the fixing groove 31 is opened at the bottom of the membrane cylinder 3, four sets of L-shaped grooves 32 which are uniformly distributed are opened on the membrane cylinder 3 and located outside the fixing groove 31, the fixing ring 51 which is adapted to the fixing groove 31 is arranged outside the blood outlet tube 5, the fixing ring 51 and the blood outlet tube 5 are integrally formed, the fixing ring 51 is in snap fit with the fixing groove 31, four sets of fixing blocks 52 which are uniformly distributed are arranged outside the fixing ring 51, the size of each fixing block 52 corresponds to that of the L-shaped groove 32, the fixing block 52 is in snap fit with the L-shaped groove 32, the bottom of the membrane cylinder 3 can be fixedly connected with the fixing block 52, and the membrane cylinder 3 is installed inside the dialysis tank 1, so that the purpose of conveniently replacing the permeable membrane is achieved.

As the optimization of this embodiment, go into all a plurality of sealing washer 9 that are parallel to each other on the outer wall of blood vessel 4, the outer wall of play blood vessel 5 and be located the inside of a membrane section of thick bamboo 3, each sealing washer 9 respectively with advance blood vessel 4 and play blood vessel 5 and cup joint the cooperation, can be respectively between advancing blood vessel 4 and a membrane section of thick bamboo 3, go out blood vessel 5 and a membrane section of thick bamboo 3 between sealed through sealing washer 9, avoid blood and dislysate to produce and mix to guarantee the dialysis effect.

As the preferred of this embodiment, the bottom of sealed lid 2 and the outside that is located a membrane section of thick bamboo 3 are equipped with sealing ring 21, sealing ring 21 and sealed lid 2 integrated into one piece, sealing ring 21 cup joints the cooperation with a membrane section of thick bamboo 3, can fix between sealed lid 2 and a membrane section of thick bamboo 3, and make the top of a membrane section of thick bamboo 3 sealed, thereby conveniently carry out the dialysis treatment, the top of sealed lid 2 just is located and has seted up seal groove 22 between sealing ring 21 and the sealed lid 2, the inside of seal groove 22 is equipped with sealed the pad 23, sealed pad 23 cooperates with seal groove 22 joint, sealed pad 23 plays sealed effect between jar mouth 11 and sealed lid 2, can prevent the outside seepage of dislysate in the dialysis jar 1.

Preferably, the dialysis tank 1 is provided with an elevation frame 8 at the outer side and near the bottom end. The height-adjusting stand 8 includes a base plate 81 and a movable ring 82 which are parallel to each other. A plurality of uniformly distributed rubber pads can be bonded to the bottom of the bottom plate 81, and the rubber pads play a role in preventing slipping of the bottom plate 81 and reduce abrasion of the bottom plate 81. A plurality of movable rods 83 which are uniformly distributed are welded between the bottom plate 81 and the movable ring 82. A limiting ring 84 is welded on the outer wall of the dialysis tank 1 and above the liquid inlet pipe 6. Each movable rod 83 extends through the confinement ring 84 and is slidably connected to the confinement ring 84. The movable rod 83 slides on the limit ring 84, so that the height of the dialysis tank 1 can be adjusted, and the dialysis tank 1 is positioned at a proper height, thereby facilitating the dialysis treatment of the patient.

Preferably, the limiting block 841 is welded to the limiting ring 84 and located outside one of the movable rods 83. The limiting block 841 is provided with an adjusting screw 85. The adjusting screw 85 is threadedly connected with the limiting block 841. A movable block 86 is arranged on the adjusting screw 85 and close to the movable rod 83. The movable block 86 is rotatably connected to the adjusting screw 85. The movable block 86 is snap-fitted with the movable rod 83. Rotating adjusting screw 85, making adjusting screw 85 and restriction piece 841 relative motion, can driving movable block 86 to remove to movable rod 83, movable block 86 and movable rod 83 joint can be fixed movable rod 83, and then fix bottom plate 81 and activity ring 82, conveniently adjust the height of dialysis tank 1.

When the hemodialysis instrument convenient for replacing the permeable membrane is used and a membrane cylinder 3 is installed, the membrane cylinder 3 is placed in a dialysis tank 1, the bottom of the membrane cylinder 3 is sleeved with a blood outlet pipe 5, a fixing groove 31 is sleeved with a fixing ring 51, an L-shaped groove 32 is clamped with a fixing block 52, the membrane cylinder 3 is rotated, the fixing block 52 fixes the membrane cylinder 3, a sealing cover 2 is moved, a blood inlet pipe 4 is sleeved with the top of the membrane cylinder 3, a sealing ring 21 is clamped and matched with the membrane cylinder 3, the sealing cover 2 is rotated, the sealing cover 2 is in threaded connection with a tank opening 11, and then the installation of the membrane cylinder 3 can be completed; when the membrane cylinder 3 is replaced, the sealing cover 2 is rotated to separate the sealing cover 2 from the tank opening 11, the sealing cover 2 is pulled upwards to separate the blood inlet pipe 4 from the top of the membrane cylinder 3, the membrane cylinder 3 is rotated, the fixing block 52 slides in the L-shaped groove 32, then the membrane cylinder 3 is pulled upwards to separate the fixing block 52 from the L-shaped groove 32, the bottom of the membrane cylinder 3 is separated from the blood outlet pipe 5, the membrane cylinder 3 is pulled upwards continuously, and then the membrane cylinder 3 can be taken out, so that the permeable membrane can be replaced conveniently; stimulate dialysis tank 1, make movable rod 83 slide on retainer ring 84, can adjust dialysis tank 1 to suitable height, rotate adjusting screw 85, make adjusting screw 85 and restriction piece 841 relative motion, adjusting screw 85 rotates on movable block 86, drive movable block 86 and remove to movable rod 83, movable block 86 and movable rod 83 joint, can be fixed with movable rod 83, thereby prevent dialysis tank 1 lapse, can realize conveniently changing the dialysis membrane through above-mentioned mode, make easy operation when changing the dialysis membrane, reduce the contact of dialysis membrane and outside air, thereby avoid the dialysis membrane to be contaminated by the bacterium, conveniently carry out the dialysis treatment.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a hemodialysis appearance convenient to change osmotic membrane, includes dialysis tank (1) and membrane section of thick bamboo (3), be osmotic membrane around membrane section of thick bamboo (3), its characterized in that: the dialysis tank (1) is of a hollow structure with an opening at the top, a liquid inlet pipe (6) is arranged on the right side of the dialysis tank (1) and close to the bottom end, a liquid outlet pipe (7) is arranged on the left side of the dialysis tank (1) and close to the top end, a tank opening (11) is arranged at the top of the dialysis tank (1), the tank opening (11) and the dialysis tank (1) are integrally formed, a sealing cover (2) capable of being taken down is arranged above the dialysis tank (1), the membrane cylinder (3) is placed inside the dialysis tank (1), and two ends of the membrane cylinder (3) are provided with through holes;

the top of sealed lid (2) is provided with into blood vessel (4), just advance blood vessel (4) and extend to the inside of a membrane section of thick bamboo (3), and with the top of a membrane section of thick bamboo (3) the perforation is sealed cup joints the cooperation, the bottom of dialysis jar (1) is provided with out blood vessel (5), just it follows to go out blood vessel (5) the perforation extends into the inside of a membrane section of thick bamboo (3), just the perforation with go out the cooperation of the sealed joint of blood vessel (5).

2. The hemodialysis machine for facilitating replacement of a permeable membrane of claim 1, wherein: fixed slot (31) have been seted up to the bottom of a membrane section of thick bamboo (3), L type groove (32) of four groups evenly distributed have been seted up in the outside that just is located fixed slot (31) on a membrane section of thick bamboo (3), go out the outside of blood vessel (5) be provided with fixed ring (51) of fixed slot (31) adaptation, the outside of fixed ring (51) is provided with four groups evenly distributed's fixed block (52), each the size of fixed block (52) with L type groove (32) are corresponding, fixed block (52) with can with L type groove (32) joint cooperation.

3. The hemodialysis machine for facilitating replacement of a permeable membrane of claim 1, wherein: the outer wall of the blood inlet pipe (4) and the outer wall of the blood outlet pipe (5) are provided with a plurality of sealing rings (9) which are parallel to each other and are positioned inside the membrane cylinder (3).

4. The hemodialysis machine for facilitating replacement of a permeable membrane of claim 1, wherein: the bottom of sealed lid (2) just is located the outside of a membrane section of thick bamboo (3) is equipped with sealing ring (21), sealing ring (21) with a membrane section of thick bamboo (3) cup joints the cooperation, the top of sealed lid (2) just is located sealing ring (21) and sealed lid (2) between seted up seal groove (22), the inside of seal groove (22) is equipped with sealed pad (23), sealed pad (23) and seal groove (22) joint cooperation.

5. The hemodialysis machine for facilitating replacement of a permeable membrane of claim 1, wherein: the outside of dialysis jar (1) and be close to bottom department and be equipped with height-adjusting frame (8), height-adjusting frame (8) are including bottom plate (81) and activity ring (82) that are parallel to each other, the welding has a plurality of evenly distributed's movable rod (83) between bottom plate (81) and activity ring (82), the top welding that just is located feed liquor pipe (6) on the outer wall of dialysis jar (1) has limit ring (84), each limit ring (84) are all run through in movable rod (83), and can sliding connection with limit ring (84).

6. The hemodialysis machine for facilitating replacement of a permeable membrane of claim 5, wherein: on the restriction ring (84) and be located one of them the outside welding of movable rod (83) has restriction piece (841), be equipped with adjusting screw (85) on restriction piece (841), adjusting screw (85) and restriction piece (841) threaded connection, adjusting screw (85) are gone up and are close to movable rod (83) department and are equipped with movable block (86), movable block (86) rotate with adjusting screw (85) and are connected, movable block (86) and movable rod (83) joint cooperation.

7. The hemodialysis machine for facilitating replacement of a permeable membrane of claim 1, wherein: the sealing cover (2) is in threaded connection with the tank opening (11).