CN218356832U

CN218356832U - Blood plasma replacement and blood return mixing device

Info

Publication number: CN218356832U
Application number: CN202220938353.6U
Authority: CN
Inventors: 王鹏
Original assignee: Sichuan Tianfu Hunter Life Technology Co ltd
Current assignee: Sichuan Tianfu Hunter Life Technology Co ltd
Priority date: 2022-04-22
Filing date: 2022-04-22
Publication date: 2023-01-24
Anticipated expiration: 2032-04-22

Abstract

The utility model discloses a blood mixing arrangement is returned in plasma replacement, including returning blood mixing device, return blood mixing device respectively with blood cell feedback pipeline, plasma replacement pipeline, return blood pipeline intercommunication, return blood mixing device and include the tee bend, blood cell feedback pipeline and/or plasma replacement pipeline divide into two at least branch pipelines through the tee bend, divide and shunt, the confluence through the tee bend between the pipeline, finally the confluence is to returning the blood pipeline. When the liquid in the pipelines is combined, the liquid has different flow rates and generates collision to form the turbulence of the combined fluid, thereby achieving the effect of uniformly mixing. Tee bend and pipeline are located ultrasonic generator, and ultrasonic generator can carry out the moderate degree heating to inside, improves liquid mixing efficiency, also can improve back blood back human comfort level. The utility model has the advantages that: through tee bend reposition of redundant personnel, confluence to and the structure of fixed box location, ultrasonic vibration heating, promote back blood mixing effect, raise the efficiency, guarantee back the appropriate temperature of blood.

Description

Blood plasma replacement and blood return mixing device

Technical Field

The utility model relates to medical equipment, in particular to a blood plasma replacement and return mixing device.

Background

The principle of the plasmapheresis is that the whole blood of a patient is drained, the blood plasma and blood cells of the patient are separated by a plasmapheresis pump, then the blood cells of the patient and fresh blood plasma or plasma replacement liquid of other donor types are transfused into the body of the patient, and the blood plasma of the patient is discarded at the same time.

In the blood cell and other fresh plasma or plasma replacement liquid feedback process, prior art twines many times through the pipeline, prolong fluid flow time and carry out the mixing even do not even carry out the mixing to it, this results in the mixing degree of blood cell and plasma replacement liquid uncontrollable, the blood cell liquid of high concentration, high viscosity then can produce the jam phenomenon at the syringe needle, can't carry out the feedback smoothly, the morphological change can take place for the blood cell in inhomogeneous suspension simultaneously, influence the normal function of blood cell, simultaneously, the pipeline twines many times also has the troublesome poeration, waste time scheduling problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: provides a blood plasma replacement and return mixing device, and solves the problems of uneven blood return mixing degree and troublesome operation in the blood plasma replacement process.

The purpose of the utility model is realized through the following technical scheme:

the utility model provides a blood mixing arrangement is returned in plasma replacement, includes back blood mixing device, returns blood mixing device respectively with blood cell feedback pipeline, plasma replacement pipeline, return blood pipeline intercommunication, returns blood mixing device and includes the tee bend, and blood cell feedback pipeline and/or plasma replacement pipeline divide into two at least branch pipelines through the tee bend, divide and shunt, the confluence through the tee bend between the branch pipeline, finally the confluence is to returning the blood pipeline. When the liquid in the pipelines is combined, the liquid has different flow rates and generates collision to form the turbulence of the combined fluid, thereby achieving the effect of uniformly mixing.

Furthermore, the plasma replacement pipeline is divided into at least two branch pipelines through a tee joint, and the branch pipelines of the plasma replacement pipeline are subjected to flow splitting and confluence with the pipelines which are not split by the blood cell return pipeline through the tee joint and finally confluence to the blood return pipeline.

Furthermore, the plasma replacement pipeline is divided into a first pipeline and a second pipeline through a first tee joint, the first pipeline is converged to a third pipeline through the second tee joint and the blood cell return pipeline, and the second pipeline is converged to the blood return pipeline through the third tee joint and the third pipeline.

Further, the first pipeline and the second pipeline have different inner diameters.

Further, the inner diameter of the first pipeline is smaller than that of the second pipeline.

Furthermore, the tee joint and the pipeline are positioned in the vibration heating device.

Furthermore, the vibration heating device is an ultrasonic generator. The ultrasonic generator can properly heat the inside, improve the liquid mixing efficiency and also improve the comfort level of the human body after blood return.

Furthermore, the tee joint and the pipeline are fixed in the fixed box. The structure is fixed, so that the pipelines are prevented from being wound, folded and knotted, smooth fluid is ensured, and the uniform mixing effect is ensured. The fixed box is placed in the ultrasonic generator, can be integrally taken and placed, and is simple and convenient to operate.

Further, still including drawing the blood pipeline, draw blood pipeline and plasma separator intercommunication, plasma separator communicates with blood cell feedback pipeline, abandonment plasma collection pipeline respectively, abandonment plasma collection pipeline and abandonment plasma collection end intercommunication, and plasma replacement pipeline and plasma replacement supply end intercommunication.

Furthermore, blood pumps are arranged on the blood leading pipeline, the waste plasma collecting pipeline and the plasma replacing pipeline.

Furthermore, the waste plasma collecting end is a waste plasma bag, and the plasma replacement supplying end is a plasma replacement liquid bag.

The utility model has the advantages that: through tee bend reposition of redundant personnel, confluence to and the structure of fixed box location, ultrasonic vibration heating, promote back blood mixing effect, raise the efficiency, guarantee back the appropriate temperature of blood.

The main scheme and the further selection schemes of the utility model can be freely combined to form a plurality of schemes, which are the schemes that can be adopted and claimed by the utility model; in addition, the utility model can be freely combined between the (non-conflict selection) selections and other selections. The skilled person in the art can understand that there are many combinations according to the prior art and the common general knowledge after understanding the solution of the present invention, which are all the technical solutions to be protected by the present invention, and the solution is not exhaustive here.

Drawings

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

Fig. 2 is a schematic structural view of the blood return mixing device of the present invention.

Fig. 3 is a schematic structural view of the ultrasonic generator of the present invention.

Fig. 4 is a schematic structural view of the fixing box of the present invention.

In the figure: 1-a blood pump, 2-a plasma separation device, 3-a blood cell return pipeline, 4-a blood return blending device, 5-a plasma replacement pipeline, 6-a blood return pipeline, 7-a plasma replacement supply end, 8-a waste plasma recovery end, 401-an ultrasonic generator, 402-a fixing box, 41-a first tee joint, 42-a second tee joint, 43-a third tee joint, 51-a first pipeline, 52-a second pipeline and 53-a third pipeline.

Detailed Description

The invention will be further described with reference to the following specific embodiments and the accompanying drawings.

Example 1

The utility model provides a blood mixing arrangement is returned in plasma replacement, includes back blood mixing device 4, returns blood mixing device 4 respectively with blood cell feedback pipeline 3, plasma replacement pipeline 5, return blood pipeline 6 intercommunication, returns blood mixing device 4 and includes the tee bend, and blood cell feedback pipeline 3 and/or plasma replacement pipeline 5 divide into two at least branch pipelines through the tee bend, divide through the tee bend between the branch pipeline and shunt, the confluence, finally the confluence is to returning blood pipeline 6.

I.e. into three cases. Firstly, the blood cell return pipeline 3 shunts, the plasma replacement pipeline 5 does not shunt, and meanwhile the shunting of the blood cell return pipeline 3 is not limited to primary shunting, and secondary and multistage shunting can be carried out as required, and the shunting pipeline of the blood cell return pipeline 3 merges the main pipeline of the plasma replacement pipeline 5 which is not shunted for many times. Second, the blood cell return line 3 does not perform the diversion, but the plasmapheresis line 5 performs the diversion, which is the opposite of the first case, and the principle is the same.

Thirdly, the blood cell return pipeline 3 and the plasma replacement pipeline 5 are both shunted, and the shunting of the two pipelines is not limited to one-stage shunting, and can be divided in two stages and multi-stage as required, and the shunting pipelines of the blood cell return pipeline 3 and the shunting pipelines of the plasma replacement pipeline 5 are crossed to merge. The diversion of the two lines is not limited to before the confluence, and the lines may be diverted again after the confluence, or some line may be diverted after the confluence without being diverted before the confluence.

The pipeline and the tee joint are positioned in a vibration heating device which is an ultrasonic generator 401. Inside ultrasonic wave generator was all placed in to pipeline and tee bend, ultrasonic wave generator produced the ultrasonic wave, and the ultrasonic wave passes through acoustic energy conversion to mechanical vibration, drives the motion of blood cell and liquid in the pipeline, and the mixing effect of reinforcing blood cell and plasma replacement liquid, ultrasonic wave energy heats reinfusion blood simultaneously to a certain extent, is favorable to reinfusion blood to get into the human body with the temperature that is more close the human body.

The tee and tubing are fixed in a holding box 402, the holding box 402 being located in the ultrasound generator 401. Through fixed tee bend and pipeline, prevent that the pipeline from folding over, twining, guarantee that the pipeline is general, guarantee the mixing effect. In the use, the whole of fixation box 402 is placed in ultrasonic generator 401, conveniently gets and puts easy operation.

Example 2

A plasmapheresis and flashback mixing device constructed in the same manner as in the second embodiment of example 1. The plasma replacement pipeline 5 is divided into at least two branch pipelines through a tee joint, the blood cell return pipeline 3 is not shunted, meanwhile, the shunting of the plasma replacement pipeline 5 is not limited to one-stage shunting, two-stage and multi-stage shunting can be carried out as required, the branch pipelines of the plasma replacement pipeline 5 are used for converging the main pipeline of the blood cell return pipeline 3 which is not shunted for many times, and finally the main pipeline is converged to the blood return pipeline 6.

Example 3

Referring to fig. 1 to 4, the structural principle of a plasmapheresis and flashback mixing device is specifically described in example 2. The plasmapheresis line 5 is divided into a first line 51 and a second line 52 by a first three-way joint 41, the first line 51 merges with the blood cell return line 3 to a third line 53 by a second three-way joint 42, and the second line 52 merges with the third line 53 to the blood return line 6 by a third three-way joint 43.

The first and

second pipes

51 and 52 have different inner diameters, and preferably, the first pipe 51 has a smaller inner diameter than the second pipe 52. The plasma replacement fluid is split into two portions at the first three-way valve 41, and the flow rates of the blood replacement fluid in the first and

second lines

51 and 52 are different due to the difference in inner diameters of the lines.

The inner diameter of the first pipeline 51 is smaller than that of the second pipeline 52, the flow rate of the plasma replacement fluid in the first pipeline 51 is higher than that of the second pipeline 52, the plasma replacement fluid in the first pipeline 51 is mixed with blood cells in the blood cell return pipeline 3 for the first time, the blood cell return fluid in the third pipeline 53 is mixed with the plasma replacement fluid in the second pipeline 52 for the second time, and the blood cell return fluid in the blood cell return pipeline 3 is blocked due to the fact that the flow rate of the plasma replacement fluid in the second pipeline 52 is low, collision is formed, and the mixing effect is improved.

Example 4

Referring to fig. 1 to 4, the plasma replacement and blood return mixing device further includes a blood introducing pipeline, a plasma separation device 2, a blood cell return pipeline 3, a blood return blending device 4, a plasma replacement pipeline 5, a blood return pipeline 6, a waste plasma collecting pipeline, a plasma replacement supply end 7, and a waste plasma collecting end 8.

The blood leading pipeline is communicated with the plasma separation device 2, the plasma separation device 2 is respectively communicated with the blood cell return pipeline 3 and the waste plasma collecting pipeline, the waste plasma collecting pipeline is communicated with the waste plasma collecting end 8, and the plasma replacement pipeline 5 is communicated with the plasma replacement supply end 7.

Blood pumps 1 are arranged on the blood leading pipeline, the waste plasma collecting pipeline and the plasma replacement pipeline 5. The waste plasma collecting end 8 is a waste plasma bag, and the plasma exchange supplying end 7 is a plasma exchange liquid bag.

The utility model discloses a work flow: blood pump 1 is in pumping plasma separator 2 with human vein whole blood, and plasma separator can be plasma separator, also can be blood component separator, and whole blood is separated into plasma and blood cell, and the discarded plasma bag is pumped into to the separated plasma, and the blood cell is pumped back blood mixing device 4, and blood plasma replacement liquid bag is pumped back blood mixing device 4 through plasma replacement pipeline 5, and the blood cell carries out the mixing, still infuses the human body through blood return pipeline 6, realizes the replacement of plasma.

The aforesaid the utility model discloses basic embodiment and each further alternative can the independent assortment in order to form a plurality of embodiments, is the utility model discloses can adopt and claim the embodiment of protection. In the scheme of the utility model, each selection example can be combined with any other basic examples and selection examples at will.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not intended to limit the present invention, and any modifications, equivalents, improvements, etc. made within the spirit and principles of the present invention should be included within the scope of the present invention.

Claims

1. The utility model provides a blood mixing arrangement returns in plasmapheresis, includes blood mixing arrangement (4) that returns, its characterized in that: the blood return blending device (4) is respectively communicated with the blood cell return pipeline (3), the plasma replacement pipeline (5) and the blood return pipeline (6), the blood return blending device (4) comprises a tee joint, the blood cell return pipeline (3) and/or the plasma replacement pipeline (5) are/is divided into at least two branch pipelines through the tee joint, the branch pipelines are subjected to flow division and confluence through the tee joint, and finally the branch pipelines are converged to the blood return pipeline (6);

the blood plasma replacement device is characterized by further comprising a blood leading pipeline which is communicated with the plasma separation device (2), the plasma separation device (2) is communicated with the blood cell return pipeline (3) and the waste plasma collecting pipeline respectively, the waste plasma collecting pipeline is communicated with the waste plasma collecting end (8), and the plasma replacement pipeline (5) is communicated with the plasma replacement supply end (7).

2. The plasmapheresis mixing device of claim 1, wherein: the plasma replacement pipeline (5) is divided into a first pipeline (51) and a second pipeline (52) through a first tee joint (41), the first pipeline (51) is merged with the blood cell return pipeline (3) to a third pipeline (53) through a second tee joint (42), and the second pipeline (52) is merged with the third pipeline (53) to a blood return pipeline (6) through a third tee joint (43).

3. A plasmapheresis-flashback mixing device as set forth in claim 2, wherein: the first pipeline (51) and the second pipeline (52) have different inner diameters.

4. A plasmapheresis and apheresis mixing device according to claim 3, wherein: the inner diameter of the first pipeline (51) is smaller than that of the second pipeline (52).

5. The plasmapheresis mixing device of claim 1, wherein: the tee joint and the pipeline are positioned in the vibration heating device.

6. A plasmapheresis-flashback mixing device according to claim 5, characterized in that: the vibration heating device is an ultrasonic generator (401).

7. The plasmapheresis mixing device of claim 1, wherein: the tee joint and the pipeline are fixed in a fixed box (402).

8. The plasmapheresis mixing device of claim 1, wherein: draw blood pipeline, abandonment plasma and collect pipeline and plasma replacement pipeline (5) on all be equipped with blood pump (1), abandonment plasma is collected end (8) and is abandoned plasma bag, plasma replacement supply end (7) are plasma replacement liquid bag.