CN109663159B - Automatic liquid preparation capacity balancing device for blood purification - Google Patents
Automatic liquid preparation capacity balancing device for blood purification Download PDFInfo
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- CN109663159B CN109663159B CN201910044936.7A CN201910044936A CN109663159B CN 109663159 B CN109663159 B CN 109663159B CN 201910044936 A CN201910044936 A CN 201910044936A CN 109663159 B CN109663159 B CN 109663159B
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- cavity
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- dialysate
- stirring
- waste liquid
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/14—Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis
- A61M1/16—Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis with membranes
- A61M1/1654—Dialysates therefor
- A61M1/1656—Apparatus for preparing dialysates
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/14—Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis
- A61M1/16—Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis with membranes
- A61M1/1621—Constructional aspects thereof
- A61M1/1635—Constructional aspects thereof with volume chamber balancing devices between used and fresh dialysis fluid
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/14—Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis
- A61M1/16—Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis with membranes
- A61M1/1654—Dialysates therefor
- A61M1/1656—Apparatus for preparing dialysates
- A61M1/1668—Details of containers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/80—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis
- B01F27/90—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis with paddles or arms
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/20—Measuring; Control or regulation
- B01F35/21—Measuring
- B01F35/211—Measuring of the operational parameters
- B01F35/2116—Volume
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/80—Forming a predetermined ratio of the substances to be mixed
- B01F35/88—Forming a predetermined ratio of the substances to be mixed by feeding the materials batchwise
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F2101/00—Mixing characterised by the nature of the mixed materials or by the application field
- B01F2101/2202—Mixing compositions or mixers in the medical or veterinary field
Abstract
The invention belongs to the technical field of medical instruments, and particularly relates to an automatic liquid preparation capacity balancing device for blood purification, which comprises a stirring device, wherein a liquid outlet is formed in the stirring device, a balancing device is connected to the liquid outlet, and an adjusting device is arranged on the balancing device; the balancing device comprises a first three-way valve connected with the liquid outlet through a pipeline, and the first three-way valve is connected with a first balancing chamber and a second balancing chamber through a pipeline; the first balance chamber is provided with a first dialysate cavity and a first waste liquid cavity, the second balance chamber is provided with a second dialysate cavity connected with the first waste liquid cavity, the second balance chamber is also provided with a second waste liquid cavity connected with the first dialysate cavity, and balance scales are arranged below the first balance chamber and the second balance chamber; the invention effectively solves the problems of poor stirring effect and poor balance adjustment of the existing blood purification device.
Description
Technical Field
The invention belongs to the technical field of medical instruments, relates to a balancing device, and particularly relates to an automatic liquid preparation capacity balancing device for blood purification.
Background
Blood purification techniques include hemodialysis, filtration, adsorption, and plasmapheresis, with hemodialysis being the most common. The failure of the kidney function of a patient results in the inability of metabolic waste products to be excreted outside the body, while the aim of hemodialysis is mainly to remove metabolic waste products, in particular excess water, from the patient. In the blood purification process, the balance of the blood entering and exiting the human body is controlled by the balance device, and the blood purification effect of the patient is ensured. When the existing blood purification device is used, the balance of the balance device is poor due to serious mechanical abrasion caused by long-time use, hypotension and even body weight bad events are caused due to poor balance in clinical use, and the occurrence rate of hypotension is counted by some blood purification centers to reach a quite high degree; in addition, when the dialysis machine is used, dialysis fluid used for dialysis of a patient needs to be prepared firstly, and when the dialysis fluid is prepared, long-time stirring is needed to be carried out during preparation due to the poor stirring effect of the stirring device, so that the purposes of uniformity, waste of time of medical staff and increase of pain of the patient are achieved.
Disclosure of Invention
Aiming at the situation, in order to overcome the defects of the prior art, the invention provides the automatic liquid preparation capacity balancing device for blood purification, which effectively solves the problems of poor stirring effect and poor balance adjustment of the conventional blood purification device.
In order to achieve the purpose, the invention adopts the following technical scheme: an automatic liquid preparation capacity balancing device for blood purification comprises a stirring device, wherein a disinfection liquid cavity, a heating chamber, a liquid cavity A and a liquid cavity B are respectively connected on the stirring device through pipelines; a liquid outlet is formed in the stirring device, a balancing device is connected to the liquid outlet, and an adjusting device is arranged on the balancing device; the balancing device comprises a first three-way valve connected with the liquid outlet through a pipeline, and the first three-way valve is connected with a first balancing chamber and a second balancing chamber through a pipeline; the first balance chamber is provided with a first dialysate cavity and a first waste liquid cavity, the second balance chamber is provided with a second dialysate cavity connected with the first waste liquid cavity, the second balance chamber is also provided with a second waste liquid cavity connected with the first dialysate cavity, and balance scales are arranged below the first balance chamber and the second balance chamber; the stirring device comprises a stirring cavity, a cover plate is arranged on the stirring cavity, a motor is arranged on the cover plate, the output end of the motor is connected with a stirring shaft, and two stirring paddle devices are symmetrically arranged on the stirring shaft;
the stirring paddle device comprises a supporting sleeve sleeved on the stirring shaft, one end of the supporting sleeve is connected with a gear box, a driving wheel sleeved on the stirring shaft is arranged in the gear box, a pair of rotating sleeves are rotatably connected in the gear box, and the outer wall of each rotating sleeve is sleeved with a driven wheel meshed with the driving wheel; traction screw rods are screwed on the inner walls of the pair of rotating sleeves, one ends of the traction screw rods, far away from the supporting sleeves, are connected with traction blocks, and the traction blocks are sleeved on the stirring shaft; the traction block is rotatably connected with a rotating block, the rotating block is connected with the stirring shaft in a sliding manner, the rotating block is symmetrically connected with two connecting blocks, the two connecting blocks are rotatably connected with connecting shafts, and the connecting shafts are connected with stirring paddles;
a traction rod is vertically connected to the connecting shaft, one end of the traction rod, which is far away from the connecting shaft, is rotatably connected with a driving rod, and the driving rod is connected with a traction block in a sliding manner; the traction block is of a cylindrical structure, an annular guide groove is formed in the periphery of the traction block, the guide groove is of a wave-shaped structure, and a sliding block matched with the guide groove is arranged on the driving rod;
the traction block comprises a lower traction block connected with the traction screw rod and an upper traction block in sliding connection with the lower traction block, and the upper traction block is rotatably connected with the rotating block; the upper traction block is fixedly connected with a connecting rod, the connecting rod is connected with the upper traction block in a sliding mode, a buffer spring is sleeved on the connecting rod, and two ends of the buffer spring are connected with the upper traction block and the lower traction block respectively.
Compared with the prior art, the invention has the following beneficial effects:
1. when the device is used, along with the inlet and outlet of the first dialysate cavity, the second dialysate cavity, the first waste liquid cavity and the second waste liquid cavity, the weights of the dialyzates in the first dialysate cavity and the second dialysate cavity are always equal to the sum of the weights of the waste liquids in the first waste liquid cavity and the second waste liquid cavity, the sum of the weights of one dialysate cavity and one waste liquid cavity is always kept, so that the balance of dialysis of a patient is kept, and the treatment effect of the patient is improved; in the using process, if unbalance occurs, the dialysate and the waste liquid are adjusted by using the balancing device, so that the stability of the invention is improved.
2. Agitating unit is at the stirring in-process, and the (mixing) shaft drives the stirring rake and rotates, and the stirring rake rotates the in-process and slides along the (mixing) shaft, rotates gliding stirring rake and carries out the stirring to A liquid and B liquid, improves the homogeneity of stirring, reduces the time of stirring, reduces patient's misery.
3. When the regulating device is used, the flow rates of the dialysate and the waste liquid are controlled by the eighth booster pump and the sixth booster pump so as to control the balance of the dialysate and the waste liquid, and the stability of the balancing device is improved.
4. When the device is used, the sizes of the first dialysate cavity, the second dialysate cavity and the first waste liquid cavity and the second waste liquid cavity can be adjusted through the adjusting screw rod, and in the adjusting process, the volumes of the first dialysate cavity and the second waste liquid cavity are kept consistent, and the sizes of the second dialysate cavity and the first waste liquid cavity are kept consistent; after adjustment, in the use process, the total weight measured by the two balance scales keeps the sum of the weights of a large dialysate cavity and a small waste liquid cavity, namely keeps the sum of the weights of dialysate and waste liquid contained in a balance chamber; the service life of the invention is improved.
5. When the stirring device is used, the stirring paddle is driven by the traction screw rod and the traction block to move up and down in the rotating process; the stirring rake rotates the in-process and drives the active rod rotation through the connecting axle, the active rod rotates the in-process, rotate through slider and guide way, because the guide way is the wave structure, and then lead to the active rod to carry out the up-and-down motion for the turning block, the active rod passes through the traction lever and drives the connecting axle and rotate along the connecting block repeatedly, the connecting axle drives the stirring rake and carries out the rotation repeatedly, the stirring rake is at rotatory in-process, the rotation that does not stop is to the rotatory power about the dislysate, to A liquid, B liquid intensive mixing, the effect of improvement stirring.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a first isometric view of the stirring device of the present invention;
FIG. 3 is a second perspective view of the stirring device of the present invention;
FIG. 4 is a top view of the stirring device of the present invention;
FIG. 5 is a cross-sectional view of FIG. 4A-A of the present invention;
FIG. 6 is an isometric view of a paddle apparatus of the present invention;
FIG. 7 is a top view of the paddle apparatus of the present invention;
FIG. 8 is a cross-sectional view of the present invention as shown in FIGS. 7B-B;
FIG. 9 is an isometric view of a mixing chamber of the present invention;
FIG. 10 is a top view of a mixing chamber of the present invention;
FIG. 11 is a cross-sectional view of FIG. 10C-C of the present invention;
FIG. 12 is a schematic view of the construction of the gear case of the present invention;
in the figure: 1. a stirring device, 2, a first booster pump, 3, a second booster pump, 4, a third booster pump, 5, a fourth booster pump, 6, a disinfectant cavity, 7, a heating chamber, 8, a fifth booster pump, 9, a first valve, 10, a second valve, 11, a first three-way valve, 12, a sixth booster pump, 13, a second three-way valve, 14, a first balance chamber, 15, a first dialysate cavity, 16, a regulating screw rod, 17, a lock nut, 18, a first waste liquid cavity, 19, a balance scale, 20, a third three-way valve, 21, a third valve, 22, a seventh booster pump, 23, a fourth valve, 24, an eighth booster pump, 25, a fourth three-way valve, 26, a second dialysate cavity, 27, a second waste liquid cavity, 28, a liquid cavity, 29, B liquid cavity, 30, a stirring cavity, 31, a liquid outlet, 32, a support leg, 33, a cover plate, 34, a motor, 35, a liquid inlet, 36, a lower accommodating cavity, 37. the device comprises a lower liquid level sensor 38, an upper liquid level sensor 39, a thermometer 40, a support sleeve 41, a traction screw rod 42, a gear box 43, a driven wheel 44, a rotating sleeve 45, a driving wheel 46, a lower traction block 47, an upper traction block 48, a connecting rod 49, a rotating block 50, a driving rod 51, a stirring paddle 52, an outer mixing cavity 53, a coil pipe 54, a lower inlet 55, an inner mixing cavity 56, an upper accommodating cavity 57, a stirring shaft 58, a guide shaft 59, a guide block 60, a guide groove 61, a traction rod 62, a connecting shaft 63, a connecting block 64 and a connecting port.
Detailed Description
An automatic liquid preparation capacity balancing device for blood purification, as shown in fig. 1-12, comprises a stirring device 1, wherein the stirring device 1 is connected with a disinfection liquid cavity 6, a heating chamber 7, a liquid cavity A28 and a liquid cavity B29 through pipelines; the heating chamber heats the reverse osmosis water, and the heating chamber 7 is provided with a degassing hole which is used for removing gas generated by heating the reverse osmosis water and preventing the gas from entering the stirring device to influence the quality of the dialysate; a liquid outlet 31 is formed in the stirring device 1, a balancing device is connected to the liquid outlet 31, and an adjusting device is arranged on the balancing device; the balancing device comprises a first three-way valve 11 connected with the liquid outlet 31 through a pipeline, and the first three-way valve 11 is connected with a first balancing chamber 14 and a second balancing chamber through a pipeline; a first dialysate cavity 15 and a first waste liquid cavity 18 are arranged on the first balance chamber 14, a second dialysate cavity 26 connected with the first waste liquid cavity 18 is arranged on the second balance chamber, a second waste liquid cavity 27 connected with the first dialysate cavity 15 is also arranged on the second balance chamber, and balance scales 19 are arranged below the first balance chamber 14 and the second balance chamber; the stirring device 1 comprises a stirring cavity 30, a cover plate 33 is arranged on the stirring cavity 30, a motor 34 is arranged on the cover plate 33, the output end of the motor 34 is connected with a stirring shaft 57, and two stirring paddles 51 are symmetrically arranged on the stirring shaft 57.
When the invention is used, the reverse osmosis water is heated by the heating chamber 7, and gas generated by the heated reverse osmosis water flows out through the degassing hole; the heated reverse osmosis water enters the stirring device 1 through a pipeline, the stirring device 1 is heated, after the temperature in the stirring device 1 reaches a target value (36.5-37.5), the liquid A and the liquid B in the liquid A cavity 28 and the liquid B cavity 29 enter the stirring device 1 for stirring, the stirring device 1 drives the stirring shaft 57 to rotate through the motor 34 on the cover plate 33, the stirring shaft 57 drives the stirring paddle 51 to rotate, the stirring paddle 51 slides along the stirring shaft 57 in the rotating process, the stirring paddle 51 which rotates and slides uniformly stirs the liquid A and the liquid B, and dialysate is obtained after uniform stirring; after the dialysate is prepared, the dialysate enters the first three-way valve 11 through a pipeline, the first three-way valve 11 is opened to flow to the first dialysate cavity 15, after the first dialysate cavity 15 is filled, the first three-way valve 11 is closed to flow to the first dialysate cavity 15 and is opened to flow to the second dialysate cavity 26, meanwhile, the dialysate in the first dialysate cavity 15 flows out to perform dialysis treatment on a patient, the treated dialysate becomes waste liquid and flows to the second waste liquid cavity 27; after the dialysate in the first dialysate chamber 15 has been drained, the dialysate in the second dialysate chamber 26 is now filled; the dialysate in the second dialysate chamber 26 flows out to perform dialysis treatment on the patient, the treated dialysate becomes waste liquid and flows to the first waste chamber 18, and at the same time, the first three-way valve 11 opens to flow to the first dialysate chamber 15, and the waste liquid in the second waste chamber 27 flows out; in the working process, the sum of the weights of the dialyzate in the first dialyzate cavity 15 and the second dialyzate cavity 26 and the weight of the waste liquid in the first waste liquid cavity 18 and the second waste liquid cavity 27 are always equal, the sum of the weights of one dialyzate cavity and one waste liquid cavity is always kept, namely the sum of the weights of the dialyzate and the waste liquid contained in one balance chamber is kept, and the dialyzate and the waste liquid are regulated by using a balance device in the using process; after the use, the reverse osmosis water is mixed with the disinfectant in the disinfectant cavity 6 to disinfect the stirring device 1 and the balancing device, so that the cleanness of the invention is improved.
As shown in fig. 6, 7, 8 and 12, the stirring paddle 51 device includes a supporting sleeve 40 sleeved on a stirring shaft 57, one end of the supporting sleeve 40 is connected with a gear box 42, a driving wheel 45 sleeved on the stirring shaft 57 is arranged in the gear box 42, a pair of rotating sleeves 44 are rotatably connected in the gear box 42, and driven wheels 43 engaged with the driving wheel 45 are sleeved on the outer walls of the rotating sleeves 44; the inner walls of the pair of rotating sleeves 44 are respectively screwed with a traction screw rod 41, one end of the traction screw rod 41 far away from the supporting sleeve 40 is connected with a traction block, and the traction block is sleeved on the stirring shaft 57; the traction block is rotatably connected with a rotating block 49, the rotating block 49 is in sliding connection with a stirring shaft 57, the stirring shaft 57 is provided with a sliding shaft matched with the rotating block 49, and the rotating block 49 is provided with a sliding chute matched with the sliding shaft; the turning block 49 is symmetrically connected with two connecting blocks 63, the two connecting blocks 63 are rotationally connected with a connecting shaft 62, and the connecting shaft 62 is connected with a stirring paddle 51.
When the stirring paddle 51 device is used, the stirring shaft 57 rotates, the rotating block 49 is driven to rotate along the traction block through the guide shaft 58 and the sliding groove, and the rotating block 49 drives the stirring paddle 51 to rotate through the connecting block 63 and the connecting shaft 62 to stir the liquid A and the liquid B; in the stirring process, the stirring shaft 57 rotates to drive the driving wheel 45 to rotate, the driving wheel 45 is meshed with the driven wheel, the driven wheel rotates along the inner wall of the gear box 42 along the driving wheel 45 through the rotating sleeve 44, the inner wall of the rotating sleeve 44 is in threaded connection with the traction screw rod 41, the traction screw rod 41 moves up and down along with the rotation of the rotating sleeve 44, the traction screw rod 41 drives the traction block to move up and down, and the traction block drives the rotating block 49 to move up and down through the guide shaft 58 and the chute; when the stirring device 1 is used, the stirring paddle 51 is driven by the traction screw rod 41 and the traction block to move up and down in the rotating process, so that the liquid A and the liquid B are fully stirred, and the stirring uniformity is improved.
A traction rod 61 is vertically connected to the connecting shaft 62, one end of the traction rod 61, which is far away from the connecting shaft 62, is rotatably connected with a driving rod 50, and the driving rod 50 is connected with a traction block in a sliding manner; the traction block is of a cylindrical structure, an annular guide groove (60) is formed in the periphery of the traction block, the guide groove 60 is of a wave-shaped structure, and a sliding block matched with the guide groove 60 is arranged on the driving rod 50.
The stirring paddle 51 rotates the in-process and drives the driving rod 50 to rotate through the connecting shaft 62, the driving rod 50 rotates the in-process, rotate through slider and guide way 60, because the guide way 60 is the wave structure, and then lead to the driving rod 50 to carry out the up-and-down motion for the turning block 49, the driving rod 50 drives the connecting shaft 62 through the traction bar 61 and rotates along the connecting block 63 repeatedly, the connecting shaft 62 drives the stirring paddle 51 to rotate repeatedly, the stirring paddle 51 is in rotatory in-process, the rotatory power about the rotation is to the dislysate, improve the stirring effect of stirring paddle 51.
The traction block comprises a lower traction block 46 connected with the traction screw rod 41 and an upper traction block 47 in sliding connection with the lower traction block 46, the upper traction block 47 is rotatably connected with a rotating block 49, and the guide groove 60 is arranged on the upper traction block 47; the upper end of the lower traction block 46 is fixedly connected with a connecting rod 48, the connecting rod 48 is in sliding connection with the upper traction block 47, a buffer spring is sleeved on the connecting rod 48, and two ends of the buffer spring are respectively connected with the upper traction block 47 and the lower traction block 46.
When the traction block is used, the lower traction block 46 buffers the movement of the upper traction block 47 through the connecting rod 48 and the buffer spring, and when the driving rod 50 rotates along the guide groove 60, the lower traction block 46 buffers the force of the driving rod 50 on the upper traction block 47 through the connecting rod 48 and the buffer spring; when the traction screw rod 41 pulls the lower traction block 46, the lower traction block 46 buffers the force between the upper traction block 47 and the rotating block 49 through the connecting rod 48 and the buffer spring; the upper traction block 47, the lower traction block 46 and the connecting rod 48 on the upper traction block are used for buffering the motion process of the stirring paddle 51, so that the stability of the stirring paddle is improved.
The stirring cavity 30 is provided with a lower accommodating cavity 36 and an upper accommodating cavity 56 corresponding to the stirring paddle 51 device, the lower accommodating cavity 36 and the upper accommodating cavity 56 are respectively connected with the corresponding gear boxes 42, and the traction screw rod 41 and the support sleeve 40 are arranged in the corresponding lower accommodating cavity 36 and the corresponding upper accommodating cavity 56; the lower traction block 46 is provided with a guide shaft 58, and the gear box 42 is provided with a guide block 59 matched with the guide shaft 58.
The upper and lower accommodating chambers 56 and 36 protect the traction screw 41 and the support sleeve 40, and the guide shaft 58 and the guide block 59 guide the vertical movement of the traction block, thereby improving the stability of the paddle 51 device.
When the device is used, along with the inlet and outlet of the first dialysate cavity 15, the second dialysate cavity 26, the first waste liquid cavity 18 and the second waste liquid cavity 27, the weights of the dialyzates in the first dialysate cavity 15 and the second dialysate cavity 26 and the sum of the weights of the waste liquids in the first waste liquid cavity 18 and the second waste liquid cavity 27 are always equal, and the sum of the weights of one dialysate cavity and one waste liquid cavity is always kept, so that the balance of dialysis of a patient is kept, and the treatment effect of the patient is improved; in the using process, if unbalance occurs, the dialysate and the waste liquid are adjusted by using the balancing device, so that the stability of the invention is improved. Agitating unit 1 is at the stirring in-process, and (mixing) shaft 57 drives stirring rake 51 and rotates, and stirring rake 51 rotates the in-process and slides along (mixing) shaft 57, rotates gliding stirring rake 51 and carries out the stirring to A liquid and B liquid, improves the homogeneity of stirring, reduces the time of stirring, reduces patient's misery.
The first dialysate cavity 15 and the second dialysate cavity 26 are both provided with dialysate inlets, and the first dialysate cavity 15 and the second dialysate cavity 26 are both provided with dialysate outlets; waste liquid inlets are formed in the first waste liquid cavity 18 and the second waste liquid cavity 27, and waste liquid outlets are formed in the first waste liquid cavity 18 and the second waste liquid cavity 27; the adjusting device comprises a fourth three-way valve 25 with two dialysate outlets connected through a pipeline, a dialysate outlet pipeline is connected to the fourth three-way valve 25, and an eighth booster pump 24 is arranged on the dialysate outlet pipeline; the two waste liquid inlets are connected with a second three-way valve 13 through pipelines, the second three-way valve 13 is connected with a waste liquid inlet pipeline communicated with a dialysate outlet pipeline, and a sixth booster pump 12 is arranged on the waste liquid inlet pipeline; and the two waste liquid outlets are connected with a third three-way valve 20 through pipelines, the third three-way valve 20 is connected with a waste liquid pipeline, and a seventh booster pump 22 is arranged on the waste liquid pipeline.
When the regulating device is in use, when the first dialysate chamber 15 is used for treating a patient, at this time, the first three-way valve 11 is opened to make dialysate flow to the second dialysate chamber 26, and the third three-way valve 20 is opened to make waste liquid in the first waste liquid chamber 18 flow out from the waste liquid pipeline through the seventh booster pump 22; the second three-way valve 13 is opened to allow the waste liquid to flow into the second waste liquid chamber 27; controlling the flow rates of the dialysate and the waste liquid by the sixth booster pump 12 and the eighth booster pump 24, wherein if the flow rate of the waste liquid is greater than the flow rate of the dialysate, the total weight is increased, at this time, the eighth booster pump 24 is controlled to increase the flow rate of the dialysate, the sixth booster pump 12 reduces the flow rate of the waste liquid, and further, the balance of the waste liquid and the dialysate is controlled, and after the balance is restored, the normal flow rates of the dialysate and the waste liquid are slowly restored by the eighth booster pump 24 and the sixth booster pump 12; if the waste liquid speed is less than the dialysate speed, the overall weight is reduced, at this time, the eighth booster pump 24 is controlled to reduce the flow rate of the dialysate, the sixth booster pump 12 increases the flow rate of the waste liquid, and then the balance of the waste liquid and the dialysate is controlled, and after the balance is restored, the normal flow rates of the dialysate and the waste liquid are slowly restored by the eighth booster pump 24 and the sixth booster pump 12.
When the second dialysate chamber 26 is used to treat a patient, the first three-way valve 11 is opened to allow dialysate to flow to the first dialysate chamber 15, and the third three-way valve 20 is opened to allow waste liquid in the second waste chamber 27 to flow out of the waste liquid line through the seventh booster pump 22; the second three-way valve 13 is opened to allow waste liquid to flow into the first waste liquid chamber 18; controlling the flow rates of the dialysate and the waste liquid by the sixth booster pump 12 and the eighth booster pump 24, wherein if the flow rate of the waste liquid is greater than the flow rate of the dialysate, the total weight is increased, at this time, the eighth booster pump 24 is controlled to increase the flow rate of the dialysate, the sixth booster pump 12 reduces the flow rate of the waste liquid, and further, the balance of the waste liquid and the dialysate is controlled, and after the balance is restored, the normal flow rates of the dialysate and the waste liquid are slowly restored by the eighth booster pump 24 and the sixth booster pump 12; if the waste liquid speed is less than the dialysate speed, the overall weight is reduced, at this time, the eighth booster pump 24 is controlled to reduce the flow rate of the dialysate, the sixth booster pump 12 increases the flow rate of the waste liquid, and then the balance of the waste liquid and the dialysate is controlled, and after the balance is restored, the normal flow rates of the dialysate and the waste liquid are slowly restored by the eighth booster pump 24 and the sixth booster pump 12.
When the regulating device is used, the flow rates of the dialysate and the waste liquid are controlled by the eighth booster pump 24 and the sixth booster pump 12 so as to control the balance of the dialysate and the waste liquid, and the stability of the regulating device is improved.
The adjusting device further comprises an adjusting pipeline, the adjusting pipeline comprises two liquid adding pipelines, two dialysate inlets are connected with the liquid outlet 31, a first valve 9 and a second valve 10 are respectively arranged on the two liquid adding pipelines, the first valve 9 corresponds to the first dialysate cavity 15, and the second valve 10 corresponds to the second dialysate cavity 26; the regulating pipeline also comprises two liquid discharging pipelines with two waste liquid outlets connected with a seventh booster pump 22, a third valve 21 and a fourth valve 23 are respectively arranged on the two liquid discharging pipelines, the third valve 21 corresponds to the first waste liquid cavity 18, and the fourth valve 23 corresponds to the second waste liquid cavity 27; the first balance chamber 14 and the second balance chamber are connected with a partition in a sliding mode, a pair of adjusting screw rods 16 matched with the partition are connected to the first balance chamber 14 and the second balance chamber in a threaded mode, the pair of adjusting screw rods 16 are arranged on two sides of the partition, and locking nuts 17 are arranged on the pair of adjusting screw rods 16.
When the adjusting pipeline and the partition plate are used, and the balancing device is seriously worn after being used for a long time to cause poor balancing performance of the balancing device, the sizes of the first dialysate cavity 15, the second dialysate cavity 26 and the first waste liquid cavity 18 and the second waste liquid cavity 27 can be adjusted through the adjusting screw rod 16, and in the adjusting process, the volumes of the first dialysate cavity 15 and the second waste liquid cavity 27 are kept consistent, and the sizes of the second dialysate cavity 26 and the first waste liquid cavity 18 are kept consistent; during adjustment, if the volumes of the first dialysate chamber 15 and the second waste liquid chamber 27 are increased, that is, the volumes of the second dialysate chamber 26 and the first waste liquid chamber 18 are decreased, when the first dialysate chamber 15 is filled with liquid, the first three-way valve 11 and the first valve 9 are simultaneously opened to fill the first dialysate chamber 15 with liquid, and when the second waste liquid chamber 27 is drained, the third three-way valve 20 and the fourth valve 23 are simultaneously opened to drain the waste liquid through the seventh booster pump 22; if the volumes of the first dialysate chamber 15 and the second waste liquid chamber 27 are reduced, that is, the volumes of the second dialysate chamber 26 and the first waste liquid chamber 18 are increased, when the second dialysate chamber 26 is filled, the first three-way valve 11 and the second valve 10 are simultaneously opened to fill the second dialysate chamber 26, and when the first waste liquid chamber 18 is drained, the third three-way valve 20 and the third valve 21 are simultaneously opened to drain the waste liquid through the seventh booster pump 22; during use, the total weight measured by the two balance scales 19 keeps the sum of the weights of a large dialysate chamber and a small waste liquid chamber, i.e. keeps the sum of the weights of the dialysate and waste liquid contained in one balance chamber.
When the device is used, the sizes of the first dialysate cavity 15, the second dialysate cavity 26 and the first waste liquid cavity 18 and the second waste liquid cavity 27 can be adjusted through the adjusting screw rod 16, and in the adjusting process, the volumes of the first dialysate cavity 15 and the second waste liquid cavity 27 are kept consistent, and the sizes of the second dialysate cavity 26 and the first waste liquid cavity 18 are kept consistent; after adjustment, in the use process, the total weight measured by the two balance scales 19 keeps the sum of the weights of a large dialysate cavity and a small waste liquid cavity, namely keeps the sum of the weights of dialysate and waste liquid contained in a balance chamber; the service life of the invention is improved.
As shown in fig. 2-12, the stirring device 1 includes four liquid inlets 35, the four liquid inlets 35 are respectively connected with the disinfectant cavity 6, the heating chamber 7, the liquid cavity a 28 and the liquid cavity B29, and a mixing cavity communicated with the four liquid inlets 35 is arranged in the stirring cavity 30; two stirring paddle 51 devices are symmetrically arranged on the stirring shaft 57.
When the stirring device 1 is used, reverse osmosis water heated by the heating chamber 7 enters the stirring chamber 30 from the mixing chamber to heat the stirring chamber 30; after heating, the liquid A and the liquid B enter a mixing cavity through a liquid inlet 35, and the liquid A and the liquid B are primarily mixed; the liquid A and the liquid B after the primary mixing enter the stirring cavity 30 from the mixing cavity, and the liquid A and the liquid B are mixed again through the stirring paddle 51 device on the stirring shaft 57; the primary mixing and stirring cavity 30 is arranged for two-stage stirring and mixing, so that the mixing uniformity is improved.
As shown in fig. 9-11, the mixing chamber includes an outer mixing chamber 52 sleeved on the outer wall of the upper accommodating chamber 56, an inner mixing chamber 55 communicated with the four liquid inlets 35 is arranged in the outer mixing chamber 52, a connection port 64 is arranged on the inner mixing chamber 55, a coil 53 is connected to the connection port 64, through holes are uniformly distributed on the coil 53, and a plurality of lower inlets 54 corresponding to the through holes are uniformly distributed on the outer mixing chamber 52.
When the mixing chamber is using, mixing chamber 55 mixes in liquid A, liquid B, antiseptic solution or the reverse osmosis water at first gets into by inlet 35, and liquid A, liquid B, antiseptic solution or reverse osmosis water get into coil pipe 53 through connector 64, mix once more through coil pipe 53, get into outer mixing chamber 52 and mix once more through the through-hole on the coil pipe 53, get into stirring chamber 30 by import 54 down and stir, use the mixing chamber to stir liquid A, liquid B, improve stirring effect.
Pipelines connected with the disinfection liquid cavity 6, the heating chamber 7, the liquid cavity A28 and the liquid cavity B29 through the liquid inlet 35 are respectively provided with a third booster pump 4, a fourth booster pump 5, a first booster pump 2 and a second booster pump 3, the heating chamber 7 is connected with a transfusion pipeline, and the transfusion pipeline is provided with a fifth booster pump 8; the stirring chamber 30 is connected with a support leg 32 at an end thereof remote from the top plate.
When the disinfectant cavity 6, the heating chamber 7, the liquid A cavity 28 and the liquid B cavity 29 are used, the speeds of the disinfectant cavity 6, the heating chamber 7, the liquid A cavity 28 and the liquid B cavity 29 entering the stirring device 1 are changed through the third booster pump 4, the fourth booster pump 5, the first booster pump 2 and the second booster pump 3, and the liquid preparation time is reduced; the speed of reverse osmosis water entering the heating chamber 7 is adjusted by using the fifth booster pump 8, and the stirring chamber 30 is supported by using the support legs 32, so that the stability of the stirring chamber 30 is improved.
The stirring chamber 30 is provided with a lower liquid level sensor 37 and an upper liquid level sensor 38 corresponding to the lower liquid level sensor 37, and the stirring chamber 30 is also provided with a thermometer 39. The liquid level of the liquid in the stir chamber 30 is monitored by the lower liquid level sensor 37 and the upper liquid level sensor 38, and the temperature in the stir chamber 30 is detected by the thermometer 39.
Claims (7)
1. The utility model provides a blood purifies uses automatic liquid capacity balancing unit that joins in marriage which characterized in that: comprises a stirring device (1), wherein the stirring device (1) is respectively provided with a disinfection liquid cavity (6), a heating chamber (7), a liquid cavity A (28) and a liquid cavity B (29) through pipeline connection; a liquid outlet (31) is formed in the stirring device (1), a balancing device is connected to the liquid outlet (31), and an adjusting device is arranged on the balancing device; the balancing device comprises a first three-way valve (11) connected with the liquid outlet (31) through a pipeline, and the first three-way valve (11) is connected with a first balancing chamber (14) and a second balancing chamber through a pipeline; a first dialysate cavity (15) and a first waste liquid cavity (18) are arranged on the first balance chamber (14), a second dialysate cavity (26) connected with the first waste liquid cavity (18) is arranged on the second balance chamber, a second waste liquid cavity (27) connected with the first dialysate cavity (15) is also arranged on the second balance chamber, and balance scales (19) are arranged below the first balance chamber (14) and the second balance chamber; the stirring device (1) comprises a stirring cavity (30), a cover plate (33) is arranged on the stirring cavity (30), a motor (34) is arranged on the cover plate (33), the output end of the motor (34) is connected with a stirring shaft (57), and two stirring paddle (51) devices are symmetrically arranged on the stirring shaft (57);
the stirring paddle (51) device comprises a supporting sleeve (40) sleeved on the stirring shaft (57), one end of the supporting sleeve (40) is connected with a gear box (42), a driving wheel (45) sleeved on the stirring shaft (57) is arranged in the gear box (42), a pair of rotating sleeves (44) are rotatably connected in the gear box (42), and driven wheels (43) meshed with the driving wheel (45) are sleeved on the outer walls of the rotating sleeves (44); the inner walls of the pair of rotating sleeves (44) are respectively screwed with a traction screw rod (41), one end of each traction screw rod (41) far away from the supporting sleeve (40) is connected with a traction block, and the traction block is sleeved on the stirring shaft (57); the traction block is rotatably connected with a rotating block (49), the rotating block (49) is in sliding connection with the stirring shaft (57), the rotating block (49) is symmetrically connected with two connecting blocks (63), the two connecting blocks (63) are both rotatably connected with a connecting shaft (62), and the connecting shaft (62) is connected with a stirring paddle (51);
a traction rod (61) is vertically connected to the connecting shaft (62), one end, far away from the connecting shaft (62), of the traction rod (61) is rotatably connected with a driving rod (50), and the driving rod (50) is connected with a traction block in a sliding mode; the traction block is of a cylindrical structure, an annular guide groove (60) is formed in the periphery of the traction block, the guide groove (60) is of a wave-shaped structure, and a sliding block matched with the guide groove (60) is arranged on the driving rod (50);
the traction block comprises a lower traction block (46) connected with the traction screw rod (41) and an upper traction block (47) in sliding connection with the lower traction block (46), and the upper traction block (47) is rotatably connected with a rotating block (49); the upper end of the lower traction block (46) is fixedly connected with a connecting rod (48), the connecting rod (48) is in sliding connection with the upper traction block (47), a buffer spring is sleeved on the connecting rod (48), and two ends of the buffer spring are respectively connected with the upper traction block (47) and the lower traction block (46).
2. The automatic liquid-dispensing capacity balancing device for blood purification according to claim 1, characterized in that: dialysate inlets are formed in the first dialysate cavity (15) and the second dialysate cavity (26), and dialysate outlets are formed in the first dialysate cavity (15) and the second dialysate cavity (26); waste liquid inlets are formed in the first waste liquid cavity (18) and the second waste liquid cavity (27), and waste liquid outlets are formed in the first waste liquid cavity (18) and the second waste liquid cavity (27); the adjusting device comprises a fourth three-way valve (25) with two dialysate outlets connected through a pipeline, a dialysate outlet pipeline is connected to the fourth three-way valve (25), and an eighth booster pump (24) is arranged on the dialysate outlet pipeline; the two waste liquid inlets are connected with a second three-way valve (13) through pipelines, the second three-way valve (13) is connected with a waste liquid inlet pipeline communicated with a dialysate outlet pipeline, and a sixth booster pump (12) is arranged on the waste liquid inlet pipeline; two the waste liquid export has third three-way valve (20) through the tube coupling, is connected with the waste liquid pipeline on third three-way valve (20), is equipped with seventh booster pump (22) on the waste liquid pipeline.
3. The automatic liquid-dispensing capacity balancing device for blood purification according to claim 2, characterized in that: the adjusting device also comprises an adjusting pipeline, the adjusting pipeline comprises two liquid adding pipelines which are connected with the two dialysate inlets and the two dialysate outlets (31), and the two liquid adding pipelines are respectively provided with a first valve (9) and a second valve (10); the adjusting pipeline also comprises two liquid discharging pipelines with two waste liquid outlets connected with a seventh booster pump (22), and a third valve (21) and a fourth valve (23) are respectively arranged on the two liquid discharging pipelines; the first balance chamber (14) and the second balance chamber are connected with a partition in a sliding mode, a pair of adjusting screw rods (16) matched with the partition are connected onto the first balance chamber (14) and the second balance chamber in a threaded mode, the pair of adjusting screw rods (16) are arranged on two sides of the partition, and locking nuts (17) are arranged on the pair of adjusting screw rods (16).
4. The automatic liquid-dispensing capacity balancing device for blood purification according to claim 3, wherein: the stirring device (1) comprises four liquid inlets (35), the four liquid inlets (35) are respectively connected with the disinfection liquid cavity (6), the heating chamber (7), the liquid A cavity (28) and the liquid B cavity (29), and a mixing cavity communicated with the four liquid inlets (35) is arranged in the stirring cavity (30).
5. The automatic liquid-dispensing capacity balancing device for blood purification according to claim 4, wherein: a lower accommodating cavity (36) and an upper accommodating cavity (56) which correspond to the stirring paddle (51) device are arranged on the stirring cavity (30), the lower accommodating cavity (36) and the upper accommodating cavity (56) are respectively connected with corresponding gear boxes (42), and the traction screw rod (41) and the support sleeve (40) are arranged in the corresponding lower accommodating cavity (36) and the corresponding upper accommodating cavity (56); the lower traction block (46) is provided with a guide shaft (58), and the gear box (42) is provided with a guide block (59) matched with the guide shaft (58).
6. The automatic liquid-dispensing capacity balancing device for blood purification according to claim 5, wherein: the mixing chamber is equipped with interior mixing chamber (55) that are linked together with four inlet (35) including the outer mixing chamber (52) that hold chamber (56) outer wall on locating, outer mixing chamber (52) are equipped with on, are equipped with connector (64) on interior mixing chamber (55), are connected with coil pipe (53) on connector (64), and the equipartition has the through-hole on coil pipe (53), and the equipartition has a plurality of lower import (54) corresponding with the through-hole on outer mixing chamber (52).
7. The automatic liquid-dispensing capacity balancing device for blood purification according to claim 6, wherein: pipelines, which are connected with the disinfection liquid cavity (6), the heating chamber (7), the liquid A cavity (28) and the liquid B cavity (29), of the liquid inlet (35) are respectively provided with a third booster pump (4), a fourth booster pump (5), a first booster pump (2) and a second booster pump (3), the heating chamber (7) is connected with a transfusion pipeline, and the transfusion pipeline is provided with a fifth booster pump (8); one end of the stirring cavity (30) far away from the top plate is connected with a support leg (32).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910044936.7A CN109663159B (en) | 2019-01-17 | 2019-01-17 | Automatic liquid preparation capacity balancing device for blood purification |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910044936.7A CN109663159B (en) | 2019-01-17 | 2019-01-17 | Automatic liquid preparation capacity balancing device for blood purification |
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| CN109663159B true CN109663159B (en) | 2021-09-28 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1872357A (en) * | 2006-04-28 | 2006-12-06 | 重庆山外山科技有限公司 | Capacitance balance and ultrafiltration equipment in use for blood purification |
| CN201375703Y (en) * | 2009-04-14 | 2010-01-06 | 重庆山外山科技有限公司 | Capacity balancing device for purifying blood |
| CN101708347A (en) * | 2009-03-11 | 2010-05-19 | 重庆多泰医用设备有限公司 | Hemodialysis system for controlling electric conduction and ultra-filtration by weighing |
| CN106730088A (en) * | 2016-12-12 | 2017-05-31 | 广州奥柏仕医疗器械有限公司 | A kind of two-chamber for blood purification balances liquid-supplying system with liquid |
| CN206334152U (en) * | 2016-08-10 | 2017-07-18 | 尹良红 | A kind of regulating system for blood purification |
| CN208260628U (en) * | 2018-02-06 | 2018-12-21 | 苏天平 | A kind of hemodialysis concentrated solution device for formulating |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7744553B2 (en) * | 2003-12-16 | 2010-06-29 | Baxter International Inc. | Medical fluid therapy flow control systems and methods |
-
2019
- 2019-01-17 CN CN201910044936.7A patent/CN109663159B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1872357A (en) * | 2006-04-28 | 2006-12-06 | 重庆山外山科技有限公司 | Capacitance balance and ultrafiltration equipment in use for blood purification |
| CN101708347A (en) * | 2009-03-11 | 2010-05-19 | 重庆多泰医用设备有限公司 | Hemodialysis system for controlling electric conduction and ultra-filtration by weighing |
| CN201375703Y (en) * | 2009-04-14 | 2010-01-06 | 重庆山外山科技有限公司 | Capacity balancing device for purifying blood |
| CN206334152U (en) * | 2016-08-10 | 2017-07-18 | 尹良红 | A kind of regulating system for blood purification |
| CN106730088A (en) * | 2016-12-12 | 2017-05-31 | 广州奥柏仕医疗器械有限公司 | A kind of two-chamber for blood purification balances liquid-supplying system with liquid |
| CN208260628U (en) * | 2018-02-06 | 2018-12-21 | 苏天平 | A kind of hemodialysis concentrated solution device for formulating |
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