CN213312276U

CN213312276U - Novel filter for hemodialysis

Info

Publication number: CN213312276U
Application number: CN202020888399.2U
Authority: CN
Inventors: 谢可峰
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-05-25
Filing date: 2020-05-25
Publication date: 2021-06-01
Anticipated expiration: 2030-05-25

Abstract

The utility model discloses a novel filter for hemodialysis relates to medical instrument technical field, the power distribution box comprises a box body, the installation cavity has been seted up to the inside wall of box, install driving motor in the installation cavity, driving motor's output shaft end runs through the inside wall and the fixedly connected with clearance mechanism of installation cavity, the lateral wall of clearance mechanism closely laminates with the lateral wall of filter, the upper end lateral wall fixed mounting of box has feed liquor pipe one, the upper end lateral wall of box runs through fixed mounting has feed liquor pipe two, the lower extreme lateral wall fixed mounting of box has drain pipe one, the lateral wall of box runs through sliding connection has sealing piston, sealing piston's lower extreme lateral wall fixed mounting has the closing plate, through feed liquor pipe one, feed liquor pipe two, drain pipe one, drain pipe two, The hollow fiber tube and the filter plate are matched to use, so that the dialysis work on blood is realized.

Description

Novel filter for hemodialysis

Technical Field

The utility model relates to the technical field of medical equipment, especially, relate to a novel filter for hemodialysis.

Background

Hemodialysis (HD) is one of the alternative treatments for the kidney of patients with acute and chronic renal failure. The method comprises the steps of draining blood in vivo to the outside of the body, enabling the blood and electrolyte solution (dialysate) with similar body concentration to be inside and outside one hollow fiber through a dialyzer consisting of a plurality of hollow fibers, and carrying out substance exchange through dispersion, ultrafiltration, adsorption and convection principles, so as to remove metabolic waste in the body and maintain the balance of electrolyte and acid and alkali; meanwhile, excessive water in the body is removed, and the whole process of purified blood reinfusion is called hemodialysis;

in the process of dialyzing blood, because some patients have high blood fat and blood plasma is sticky in hemodialysis, the blockage of a dialyzer is easily caused during dialysis, and the dialysis efficiency is further influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a novel filter for hemodialysis.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a novel filter for hemodialysis comprises a box body, wherein an installation cavity is formed in the inner side wall of the box body, a driving motor is installed in the installation cavity, the tail end of an output shaft of the driving motor penetrates through the inner side wall of the installation cavity and is fixedly connected with a cleaning mechanism, the side wall of the cleaning mechanism is tightly attached to the side wall of a filter plate, a first liquid inlet pipe is fixedly installed on the upper side wall of the box body, a second liquid outlet pipe is fixedly installed on the lower side wall of the box body, a first liquid outlet pipe is fixedly installed on the lower side wall of the box body, a sealing piston is slidably connected to the side wall of the box body, a sealing plate is fixedly installed on the lower side wall of the sealing piston, a positioning mechanism is fixedly connected to the lower, the inside wall fixed mounting of box has the filter, the lateral wall fixed mounting of box has the mounting panel, install hollow fiber pipe between filter and the mounting panel.

Preferably, clearance mechanism includes the dwang of fixed connection at driving motor output shaft end, driving motor's one end fixedly connected with scraper blade is kept away from to the dwang, the lateral wall of scraper blade offsets tightly with the lateral wall of filter.

Preferably, the positioning mechanism comprises a fixing rod fixedly connected to the side wall of the box body, the fixing rod is far away from the side wall of the box body and is fixedly connected with a cover plate, the outer side wall of the fixing rod is rotatably connected with a positioning plate, and the side wall of the positioning plate is tightly abutted to the side wall of the sealing plate.

Preferably, the liquid inlet pipe I, the liquid inlet pipe II, the liquid outlet pipe II and the liquid outlet pipe I are fixedly connected with the side wall of the box body in a sealing mode.

Preferably, the side wall of the scraper is provided with a hairbrush.

Preferably, the outer side wall of the sealing piston is provided with a sealing gasket.

The utility model has the advantages that: in the utility model, the liquid inlet pipe I, the liquid inlet pipe II, the liquid outlet pipe I, the liquid outlet pipe II, the hollow fiber pipe and the filter plate are used in a matching way, so that the dialysis work on the blood is realized, and the normal body health of the patient is ensured;

through the matching use of the driving motor, the rotating rod, the scraping plate, the sealing piston and the sealing plate, the thick matter of the filtering plate is cleaned, and the condition that the patient is blocked is avoided;

through the cooperation use between apron, dead lever, the closing plate, realized taking out 16, 17 fast, and then conveniently to the quick clearance of the interior dense thing of box.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is an enlarged view of a portion a of the present invention.

Fig. 3 is an enlarged view of part B of the present invention.

Reference numbers in the figures: the device comprises a box body 1, a liquid inlet pipe I2, a rotating rod 3, a scraper 4, a liquid inlet pipe II 5, a hollow fiber pipe 6, a filter plate 7, a fixed rod 8, a liquid outlet pipe II 9, a mounting plate 10, a liquid outlet pipe I11, a mounting cavity 12, a driving motor 13, a cover plate 14, a positioning plate 15, a sealing plate 16 and a sealing piston 17.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, a novel filter for hemodialysis comprises a box body 1, wherein an installation cavity 12 is formed in the inner side wall of the box body 1, a driving motor 13 is installed in the installation cavity 12, the driving motor 13 is connected with an external power supply through a wire, and the driving motor 13 is a common low-speed rotating motor in the outside;

the tail end of an output shaft of the driving motor 13 penetrates through the inner side wall of the mounting cavity 12 and is fixedly connected with a cleaning mechanism, the cleaning mechanism comprises a rotating rod 3 fixedly connected to the tail end of the output shaft of the driving motor 13, one end, far away from the driving motor 13, of the rotating rod 3 is fixedly connected with a scraper 4, the side wall of the scraper 4 is abutted against the side wall of the filter plate 7, and a brush is arranged on the side wall of the scraper 4, so that thick matters on the side wall of the filter plate 7 can be fully cleaned;

the side wall of the cleaning mechanism is tightly attached to the side wall of the filter plate 7, a first liquid inlet pipe 2 is fixedly mounted on the side wall of the upper end of the box body 1, a second liquid inlet pipe 5 is fixedly mounted on the side wall of the upper end of the box body 1 in a penetrating mode, a second liquid outlet pipe 9 is fixedly mounted on the side wall of the lower end of the box body 1, a first liquid outlet pipe 11 is fixedly mounted on the side wall of the lower end of the box body 1, the first liquid inlet pipe 2, the second liquid inlet pipe 5, the second liquid outlet pipe 9 and the first liquid outlet pipe 11 are all fixedly connected with the side wall of the box body 1 in a sealing mode, a sealing piston 17 is connected to the;

a sealing plate 16 is fixedly arranged on the side wall of the lower end of the sealing piston 17, a positioning mechanism is fixedly connected with the side wall of the lower end of the box body 1, the positioning mechanism comprises a fixing rod 8 fixedly connected with the side wall of the box body 1, the side wall of the fixing rod 8 far away from the box body 1 is fixedly connected with a cover plate 14, the outer side wall of the fixing rod 8 is rotatably connected with a positioning plate 15, and the side wall of the positioning plate 15 is abutted against the side;

the side wall of the positioning mechanism is abutted against the side wall of the lower end of the sealing piston 17, the inner side wall of the box body 1 is fixedly provided with a filter plate 7, the side wall of the box body 1 is fixedly provided with a mounting plate 10, and a hollow fiber pipe 6 is arranged between the filter plate 7 and the mounting plate 10.

When the blood filter is in work, firstly, blood enters the box body 1 through the liquid inlet pipe I2 and enters the hollow fiber pipe 6 through the filter plate 7, only red blood cells can enter the filter plate 7 due to the opening of the filter plate 7, the thick matter of the red blood cells is filtered, the liquid inlet pipe 5 and the liquid outlet pipe II 9 are communicated with a dialysate device, and the function of hemodialysis is realized through the arrangement of the hollow fiber pipe 6;

during dialysis, the driving motor 13 drives the rotating rod 3 to rotate so as to drive the scraping plate 4 to synchronously rotate, and the cleaning of the filter plate 7 is realized in the rotating process of the scraping plate 4, so that the filter plate 7 is prevented from being blocked by thick substances to influence hemodialysis;

after the dialysis is accomplished, manual rotation locating plate 15 for locating plate 15 has lost the spacing work to closing plate 16, and later manual pulling closing plate 16 removes, and the in-process that closing plate 16 removed has realized the synchronous motion to sealing piston 17, and the in-process that sealing piston 17 took out, external collecting box can be discharged to dense thing, has realized the quick clearance function to dense thing.

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 or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a novel filter for hemodialysis, includes box (1), its characterized in that, installation cavity (12) have been seted up to the inside wall of box (1), install driving motor (13) in installation cavity (12), the output shaft end of driving motor (13) runs through the inside wall of installation cavity (12) and fixedly connected with clearance mechanism, the lateral wall of clearance mechanism closely laminates with the lateral wall of filter (7), the upper end lateral wall fixed mounting of box (1) has feed liquor pipe one (2), the upper end lateral wall of box (1) runs through fixed mounting has feed liquor pipe two (5), the lower extreme lateral wall fixed mounting of box (1) has drain pipe two (9), the lower extreme lateral wall fixed mounting of box (1) has drain pipe one (11), the lateral wall of box (1) runs through sliding connection has sealed piston (17), the lower extreme lateral wall fixed mounting of sealing piston (17) has closing plate (16), the lower extreme lateral wall fixedly connected with positioning mechanism of box (1), positioning mechanism's lateral wall and the lower extreme lateral wall of sealing piston (17) offset tightly, the inside wall fixed mounting of box (1) has filter (7), the lateral wall fixed mounting of box (1) has mounting panel (10), install hollow fiber pipe (6) between filter (7) and mounting panel (10).

2. The novel filter for hemodialysis according to claim 1, wherein the cleaning mechanism comprises a rotating rod (3) fixedly connected to the end of the output shaft of the driving motor (13), a scraper (4) is fixedly connected to one end of the rotating rod (3) far away from the driving motor (13), and the side wall of the scraper (4) abuts against the side wall of the filter plate (7).

3. The novel filter for hemodialysis as defined in claim 1, wherein the positioning mechanism comprises a fixing rod (8) fixedly connected to the sidewall of the housing (1), the fixing rod (8) is fixedly connected to the sidewall of the housing (1) away from the cover plate (14), the outer sidewall of the fixing rod (8) is rotatably connected to a positioning plate (15), and the sidewall of the positioning plate (15) abuts against the sidewall of the seal plate (16).

4. The novel filter for hemodialysis of claim 1, wherein the first liquid inlet pipe (2), the second liquid inlet pipe (5), the second liquid outlet pipe (9) and the first liquid outlet pipe (11) are fixedly connected with the side wall of the box body (1) in a sealing manner.

5. A new filter for hemodialysis according to claim 2, wherein the side wall of the scraper (4) is provided with a brush.

6. A new filter for hemodialysis according to claim 1, wherein a sealing pad is provided on the outer sidewall of the sealing piston (17).