Continuous flow balancing device
A flow balancing and transmission technology, applied in the direction of flow control using electrical devices, dialysis systems, etc., can solve problems such as aging, affecting the performance of the balance pump flow balancing device, and uneven flow.
Active Publication Date: 2014-11-05
贝恩医疗设备(广州)有限公司
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Problems solved by technology
The linear motor of the balance pump drives the connecting rod to make an equidistant linear reciprocating motion. When the connecting rod moves toward a cavity, the elastic film in the cavity is pressed to the outer space, and the liquid in the outer space is released from the water outlet. Extrude the cavity, but the liquid flow rate extruded in each time period during the whole action process is not equal, resulting in uneven flow in each time period in the pipeline, which ultimately affects the treatment effect
In addition, the elastic film will wear and age after a long time of use, which will affect the flow balance of the balance pump and the performance of the entire device
Method used
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Embodiment Construction
[0078] The present invention is further described in conjunction with the following examples.
[0079] A continuous flow balancing device such as Figure 1 to Figure 8 As shown, a first pump body, a second pump body, a double-head motor 300, a first transmission device and a second transmission device are provided. In order to achieve better positioning, a frame body can also be provided, and the double-head motor 300, the first pump body, and the second pump body are arranged on the frame body.
[0080] The double-headed motor 300 is provided with a first end 310 of a motor shaft and a second end 320 of a motor shaft, and the first end 310 of the motor shaft and the second end 320 of the motor shaft make exactly the same rotation under the drive of the double-headed motor 300 .
[0081] The first pump body is provided with a first end 110, a first pump chamber 120, a first ceramic piston 121 and a second end 130, and the first end 110 and the second end 130 are arranged at b...
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The invention discloses a continuous flow balancing device which is provided with a first pump body, a second pump body, a double-head motor, a first drive device and a second drive device, wherein the first pump body is provided with a first end, a first pump cavity, a first ceramic piston and a second send; the first end is provided with a first joint and a second joint; the second end is provided with a third joint and a fourth joint; the first ceramic piston is in clearance assembled and moveably arranged in the first pump cavity; the second pump body is provided with a third end, a second pump cavity, a second ceramic piston and a fourth end; the third end is provided with a fifth joint and a sixth joint; the fourth end is provided with a seventh joint and an eighth joint; the standard sizes of the first, second, third and fourth ends are the same, and the standard sizes of the first, second, third, fourth, fifth, sixth, seventh and eighth joints are the same; the second ceramic piston is assembled in the second piston cavity in clearance; and the second joint and the fifth joint are connected to a first output pipeline, and the fourth joint and the seventh joint are connected to a second output pipeline. By using the device, the liquid in the pipeline can continuously flow at constant speed, and the flow equilibrium of a dialyzer is ensured.
Description
technical field [0001] The invention relates to the technical field of medical equipment, in particular to a continuous flow balance device for a dialysis machine. Background technique [0002] Hemodialysis is one of the most effective ways to treat various acute and chronic renal failure diseases. Through hemodialysis, the life span of patients can be appropriately prolonged. Hemodialysis technology has been relatively mature, and further improving the quality of hemodialysis has become one of the development directions for the treatment of patients with renal failure. [0003] Hemodialysis is usually carried out by using a dialysis machine, a dialyzer and corresponding connecting pipelines, and arterial blood and dialysate in the dialyzer enter the dialyzer respectively. The flow direction of the dialysate in the dialyzer is opposite to the flow direction of the blood. Under the action of the osmotic pressure and the pressure of the dialysate, the blood and the dialysate ...
Claims
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IPC IPC(8): A61M1/14G05D7/06
Inventor 蒋顺忠范江红夏武兵
Owner 贝恩医疗设备(广州)有限公司