CN213643749U - Hemodialysis membrane washing device - Google Patents
Hemodialysis membrane washing device Download PDFInfo
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- CN213643749U CN213643749U CN202021778407.4U CN202021778407U CN213643749U CN 213643749 U CN213643749 U CN 213643749U CN 202021778407 U CN202021778407 U CN 202021778407U CN 213643749 U CN213643749 U CN 213643749U
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Abstract
The utility model discloses a hemodialysis membrane washing device, belonging to the technical field of medical machinery, comprising a plurality of washing boxes with the same structure; each cleaning box comprises a machine case, a heat exchange mechanism, a plurality of wire pressing transmission mechanisms, an upper cover and a plurality of transmission wheels; a plurality of wire pressing transmission mechanisms in the cleaning box are matched with the transmission wheels, the dialysis membrane is coiled between a plurality of driving wheels and a plurality of downward-pressing driven wheels, and the dialysis membrane rotates along with the driving wheels and the downward-pressing driven wheels in water; and water flows into the case from the second thermal cycle case body and flows out of the case from the first thermal cycle case body, and the direction of the dialysis membrane rotating along with the driving wheel and the downward pressing driven wheel is opposite to the water flow direction, so that the dialysis membrane can be cleaned to the maximum extent.
Description
Technical Field
The utility model relates to the technical field of medical machinery, concretely relates to hemodialysis membrane washing device.
Background
In recent years, the number of renal patients increases at home and abroad, and the death rate is higher and higher. Under the conditions of insufficient kidney donor organs and low matching success rate, the hemodialysis method is still one of the main means for the kidney replacement therapy of patients with acute and chronic renal failure. The blood and electrolyte solution (dialysate) with similar concentration of organism are arranged inside and outside one hollow fiber by draining the blood in vivo to the outside of the body through a dialyzer consisting of a plurality of hollow fibers, and the material exchange is carried out by dispersion/convection, thereby removing the metabolic waste in the body and maintaining the balance of electrolyte and acid-base; meanwhile, excessive water in the body is removed, and blood is returned to achieve the purpose of blood purification.
Hemodialyzer is the indispensable equipment of hemodialysis, and its structure is installed hollow fiber pipe in the shell, installs blood feed liquor pipe, the ann has the blood drain pipe on the other end at one section axial of casing, installs dialysate drain pipe, opposite side in the radial one side of casing and installs the dialysis feed liquor pipe. The hollow fiber tube in the shell consists of hundreds of hollow fiber tubes and even thousands of hollow fiber tubes, and the hollow fiber tubes are prepared by adopting dialysis membranes. The dialysis membrane is the most important part of the hemodialyzer, and the material of the dialysis membrane is a key factor influencing the effect of the hemodialysis treatment.
Currently, dialysis membranes commonly used in clinic include polysulfone, polymethylmethacrylate, polyethersulfone, polyamide, polyacrylonitrile and the like. In the process of preparing the dialysis membrane, the membrane is washed for 3-5 times and then is dried in a vacuum drying oven to constant weight.
SUMMERY OF THE UTILITY MODEL
In order to solve the above technical problem, an object of the present invention is to provide a hemodialysis membrane washing device, which comprises:
a hemodialysis membrane washing device is characterized by comprising a plurality of washing boxes with the same structure; each cleaning box comprises a machine case, a heat exchange mechanism, a plurality of wire pressing transmission mechanisms, an upper cover and a plurality of transmission wheels; a plurality of driving wheels 1-8 and a second transmission motor are arranged at the top in the case, and the driving wheels are connected through a synchronous belt and driven by the second transmission motor to synchronously rotate; the plurality of driving wheels 5 are arranged above the case, and the plurality of driving wheels 5 are arranged on an output shaft of the first driving motor 3; the wire pressing transmission mechanism comprises a downward-pulling wheel 2-1, a steel wire 2-2, a first steel wire driven wheel 2-3, a second steel wire driven wheel 2-4, a third steel wire driven wheel 2-5, a fourth steel wire driven wheel 2-6, a downward-pressing driven wheel fixing seat 2-7 and a downward-pressing driven wheel 1-4, wherein the wire pressing tool is installed on a case, the first steel wire driven wheel, the second steel wire driven wheel, the third steel wire driven wheel and the fourth steel wire driven wheel are installed on the wire pressing tool, the downward-pulling wheel is installed on the bottom of the case, a transmission wheel, the first steel wire driven wheel, the second steel wire driven wheel, the third steel wire driven wheel, the fourth steel wire driven wheel and the downward-pulling wheel are wound with steel wires, the downward-pressing driven wheel is fixed on the steel wire through the downward-pressing driven wheel fixing; when the driven wheel is pressed downwards to move upwards to a set position, the dialysis membrane is alternately arranged between the driving wheel and the driven wheel.
In the utility model, the heat exchange mechanism comprises a first heat circulation box body, a second connecting pipeline, a second filter, a third connecting pipeline, a fourth connecting pipeline, a fifth connecting pipeline and a circulating pump; the first thermal cycle box body is positioned on the left side in the case, and the second thermal cycle box body is positioned on the right side in the case.
The utility model discloses in, the bottom processing of first thermal cycle box has first trompil, and first thermal cycle box is connected with second connecting line's one end through first trompil, and the second filter is connected to the other end of second connecting line, and the second filter is connected with the circulating pump through fifth connecting line, and the circulating pump is connected with heat exchanger through fourth connecting line, and the bottom processing of second thermal cycle box has the second trompil, and the second thermal cycle box is connected with the one end of third connecting pipe through the second trompil, and the other end and the heat exchanger of third connecting pipe are connected.
The utility model discloses in, evenly processing has a plurality of water holes on the medial surface of first thermal cycle box and second thermal cycle box, the hot and cold water business turn over of being convenient for.
The utility model discloses in, still install an overflow box between first thermal cycle box and quick-witted case.
The utility model discloses in, a plurality of overflow hole grooves of overflow incasement processing, the water that quick-witted incasement overflowed is through the overflow hole groove discharge machine incasement of overflow incasement.
Furthermore, the bottom of the overflow tank is connected with a first connecting pipeline, the first connecting pipeline is connected with a first filter, and overflowed water enters the circulating pump or is discharged through the first connecting pipeline and the first filter.
The utility model discloses in, install the overflow plate between two action wheels, install underflow plate under two pushing down between the driving wheel, go up the overflow plate and underflow plate can ensure that the dialysis membrane can be abundant with rivers contact, ensure to dialyse the membrane sanitization.
The utility model discloses in, institute's bottom of the case portion slope mounting plate for guarantee to wash the case drainage and can arrange completely.
Compared with the prior art, the utility model discloses beneficial effect:
firstly, the utility model can select the number of cleaning boxes connected in series according to the actual cleaning times in the dialysis membrane production process;
two, the utility model discloses will dialyse the membrane book and attach between a plurality of action wheels and a plurality of pushing down from the driving wheel, dialyse the membrane in aqueous along with the action wheel with push down from the driving wheel rotation to water flows into quick-witted case from second thermal cycle box, flows out quick-witted case from first thermal cycle box, dialyses the membrane along with the action wheel with push down from driving wheel pivoted direction and rivers opposite direction, can furthest like this with dialyse the membrane sanitization.
Drawings
FIG. 1 is a schematic view of a hemodialysis membrane water washing apparatus composed of two washing tanks;
FIG. 2 is a schematic view of a first structure of the cleaning tank;
FIG. 3 is a second schematic view of the cleaning tank;
FIG. 4 is a schematic structural view of a wire pressing transmission mechanism;
FIG. 5 is a schematic view of the connection between the second driving motor and the driving wheels;
FIG. 6 is a schematic view of a first thermal cycle box;
FIG. 7 is a schematic view of an overflow tank;
the reference signs are: 1 is a case, 1-1 is a first thermal cycle case, 1-2 is an overflow case, 1-3 is an upper overflow plate, 1-4 is a lower pressure driven wheel, 1-5 is a lower overflow plate, 1-6 is a second thermal cycle case, 1-7 is a dialysis membrane, 1-8 is a driving wheel, 2 is a wire pressing transmission mechanism, 2-1 is a lower pulling wheel, 2-2 is a steel wire, 2-3 is a first steel wire driven wheel, 2-4 is a second steel wire driven wheel, 2-5 is a third steel wire driven wheel, 2-6 is a fourth steel wire driven wheel, 2-7 is a lower pressure driven wheel fixing seat, 2-8 is a wire pressing tool, 3 is a first transmission motor, 4 is an upper cover, 5 is a transmission wheel, 6 is a first filter, 7 is a second filter, 8 is a belt tensioner, and 9 is a first connecting pipeline, 10 is the second connecting line, 11 is the heat preservation box, 12 is the second drive motor, 13 is the hold-in range, 14 is the third connecting line, 15 is the circulating pump, 16 is the heat exchanger, 17 is the fourth connecting line, 18 is the synchronizing wheel, 19 is the fifth connecting line, a, the bottom plate, c is the water hole, d is the overflow hole groove, f.
Detailed Description
The present invention will be further described with reference to the following examples, which are only some, but not all, of the examples of the present invention. Based on the embodiments in the present invention, other embodiments used by a person skilled in the art without creative labor all belong to the protection scope of the present invention.
With the attached drawings, the hemodialysis membrane washing device consists of 2 washing boxes with the same structure; each cleaning box comprises a machine case, a heat exchange mechanism, 9 wire pressing transmission mechanisms, an upper cover and 9 transmission wheels; the top in the machine case is provided with 10 driving wheels 1-8 and a second transmission motor, the 10 driving wheels are connected through a synchronous belt and then driven by the second transmission motor to rotate synchronously, one motor drives the synchronous transmission of the 10 driving wheels, and the belt tensioner 8 is used for enabling the synchronous belt to be in a tensioning state all the time so as to be convenient for synchronization. The 9 driving wheels 5 are arranged above the machine case, and the 9 driving wheels 5 are arranged on the output shaft of the first driving motor 3; each wire pressing transmission mechanism comprises a pull-down wheel 2-1, a steel wire 2-2, a first steel wire driven wheel 2-3, a second steel wire driven wheel 2-4, a third steel wire driven wheel 2-5, a fourth steel wire driven wheel 2-6, a press-down driven wheel fixing seat 2-7, a wire pressing tool 2-8 and a press-down driven wheel 1-4, wherein the wire pressing tool is installed on a case, the first steel wire driven wheel, the second steel wire driven wheel, the third steel wire driven wheel and the fourth steel wire driven wheel are installed on the wire pressing tool 2-8, the pull-down wheel is installed at the bottom of the case, a transmission wheel, the first steel wire driven wheel, the second steel wire driven wheel, the third steel wire driven wheel, the fourth steel wire driven wheel and the pull-down wheel are wound with steel wires, and the steel wires are in a tensed state, so that the steel wires can be driven to, the downward-pressing driven wheel is fixed on the steel wire through the downward-pressing driven wheel fixing seat, and is driven by the driving wheel to move up and down; when the driven wheel is pressed downwards to move upwards to a set position, the dialysis membrane is alternately arranged between the driving wheel and the driven wheel. When the down-pressing driven wheel and the down-pressing driven wheel fixing seat move to the water surface above the upper part of the box body, an operator can install the hemodialysis membrane.
The heat exchange mechanism mainly comprises a first heat circulation box body, a second connecting pipeline, a second filter, a third connecting pipeline, a fourth connecting pipeline, a fifth connecting pipeline and a circulating pump; the first thermal cycle box body is positioned on the left side in the case, and the second thermal cycle box body is positioned on the right side in the case. The bottom processing of first thermal cycle box has first trompil, first thermal cycle box is connected with the one end of second connecting line through first trompil, the second filter is connected to the other end of second connecting line, the second filter is connected with the circulating pump through fifth connecting line, the circulating pump is connected with heat exchanger through fourth connecting line, the bottom processing of second thermal cycle box has the second trompil, the second thermal cycle box is connected with the one end of third connecting pipe through the second trompil, the other end and the heat exchanger of third connecting pipe are connected.
When the dialysis membrane is formed, the first driving motor 3 is started at this time, the first driving motor drives the driving wheel 5, the steel wire 2-2 is driven to rotate clockwise to drive the driven wheel to move downwards, and the driven wheel is driven to move upwards by rotating anticlockwise. When the dialysis machine moves upwards to a designated position, the first transmission motor 3 stops, and the dialysis membrane can be alternately arranged between the driving wheels 1-8 and the pressing driven wheels 1-4 according to the mode shown in figure 3. The installed membrane filaments and the water flow direction are in a reverse running state. Water flows into the case from the second thermal cycle case body and flows out of the case from the first thermal cycle case body, and the dialysis membrane rotates along with the driving wheel and the downward pressing driven wheel in the direction opposite to the water flow direction, so that the dialysis membrane can be cleaned to the maximum extent.
When the liquid in the tank body is excessive, the overflow tank body starts to function, the top of the overflow tank 1-2 is provided with a plurality of overflow hole grooves, the liquid after overflowing is communicated with a first connecting pipeline 1-9 through the bottom of the overflow tank 1-2, and a first filter 6 is communicated with an overflow input port f of a next-stage circulating pump or is directly discharged.
Claims (9)
1. A hemodialysis membrane washing device is characterized by comprising a plurality of washing boxes with the same structure; each cleaning box comprises a machine case (1), a heat exchange mechanism, a plurality of wire pressing transmission mechanisms (2), an upper cover and a plurality of transmission wheels (5);
a plurality of driving wheels (1-8) and a second transmission motor (12) are arranged at the top in the case, and the driving wheels are connected through a synchronous belt and then driven by the second transmission motor to synchronously rotate; the plurality of driving wheels (5) are arranged above the case, and the plurality of driving wheels (5) are arranged on an output shaft of the first driving motor (3); the wire pressing transmission mechanism comprises a pull-down wheel (2-1), a steel wire (2-2), a first steel wire driven wheel (2-3), a second steel wire driven wheel (2-4), a third steel wire driven wheel (2-5), a fourth steel wire driven wheel (2-6), a pull-down driven wheel fixing seat (2-7), a wire pressing tool (2-8) and a pull-down driven wheel (1-4), wherein the wire pressing tool is installed on a case, the first steel wire driven wheel, the second steel wire driven wheel, the third steel wire driven wheel and the fourth steel wire driven wheel are installed on the wire pressing tool, the pull-down wheel is installed on the bottom of the case, a transmission wheel, the first steel wire driven wheel, the second steel wire driven wheel, the third steel wire driven wheel, the fourth steel wire driven wheel and the pull-down wheel are wound with steel wires, and the pull-down driven wheel is fixed on, the driven wheel is pressed downwards to move up and down under the driving of the driving wheel; when the driven wheel is pressed downwards to move upwards to a set position, the dialysis membrane is alternately arranged between the driving wheel and the driven wheel.
2. The hemodialysis membrane washing apparatus of claim 1, wherein an upper overflow plate is installed between the two driving wheels, and a lower overflow plate (1-5) is installed between the two lower driven wheels.
3. The hemodialysis membrane washing apparatus of claim 1, wherein a bottom plate (a) is installed at the bottom of the cabinet in an inclined manner.
4. The hemodialysis membrane washing apparatus of claim 1, wherein the heat exchange mechanism comprises a first heat circulation tank, a second connection pipeline, a second filter, a third connection pipeline, a fourth connection pipeline, a fifth connection pipeline, and a circulation pump; the first thermal cycle box body is positioned on the left side in the case, and the second thermal cycle box body is positioned on the right side in the case.
5. The hemodialysis membrane washing device of claim 4, wherein a first opening is formed in the bottom of the first thermal circulation box, the first thermal circulation box is connected with one end of the second connecting pipeline through the first opening, the other end of the second connecting pipeline is connected with the second filter, the second filter is connected with the circulating pump through the fifth connecting pipeline, the circulating pump is connected with the heat exchanger through the fourth connecting pipeline, a second opening is formed in the bottom of the second thermal circulation box, the second thermal circulation box is connected with one end of the third connecting pipeline through the second opening, and the other end of the third connecting pipeline is connected with the heat exchanger.
6. The hemodialysis membrane washing device of claim 4, wherein a plurality of water holes are uniformly formed on the inner side surfaces of the first thermal cycle box and the second thermal cycle box.
7. The hemodialysis membrane washing apparatus of claim 4, wherein an overflow tank is further installed between the first thermal cycle tank and the cabinet.
8. The hemodialysis membrane washing apparatus of claim 7, wherein a plurality of overflow holes are formed in the overflow box, and water overflowing from the cabinet is discharged from the cabinet through the overflow holes in the overflow box.
9. The hemodialysis membrane washing device of claim 7, wherein a first connecting pipeline is connected to the bottom of the overflow tank, the first connecting pipeline is connected to a first filter, and overflowed water enters the circulating pump through the first connecting pipeline and the first filter to be heated or discharged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021778407.4U CN213643749U (en) | 2020-08-24 | 2020-08-24 | Hemodialysis membrane washing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021778407.4U CN213643749U (en) | 2020-08-24 | 2020-08-24 | Hemodialysis membrane washing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213643749U true CN213643749U (en) | 2021-07-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021778407.4U Active CN213643749U (en) | 2020-08-24 | 2020-08-24 | Hemodialysis membrane washing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213643749U (en) |
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2020
- 2020-08-24 CN CN202021778407.4U patent/CN213643749U/en active Active
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