CN212662357U

CN212662357U - Portable blood purification device

Info

Publication number: CN212662357U
Application number: CN202020513084.XU
Authority: CN
Inventors: 彭超
Original assignee: Jingmen First Peoples Hospital
Current assignee: Jingmen First Peoples Hospital
Priority date: 2020-04-09
Filing date: 2020-04-09
Publication date: 2021-03-09
Anticipated expiration: 2030-04-09

Abstract

A portable blood purification device comprises a vein outlet pipe, wherein a blood pump is connected to the vein outlet pipe, a blood purification cylinder is arranged at the lower end of the vein outlet pipe, an artery inlet pipe is clamped at the bottom of the blood purification cylinder, a connecting sleeve is connected to the upper portion of the blood purification cylinder in a threaded manner and is rotatably connected with the vein outlet pipe, the vein outlet pipe penetrates through the connecting sleeve, a flow blocking layer is arranged on the upper side inside the blood purification cylinder, a dialysis layer is arranged below the flow blocking layer, a cellulose membrane pipe is arranged in the dialysis layer, a resin adsorption layer is connected to the lower side of the cellulose membrane pipe, a liquid outlet pipe is fixedly connected to the bottom of the resin adsorption layer, and the liquid outlet pipe is clamped with; the utility model discloses effectual solution: the large dialysis machine is difficult to operate and inconvenient to move.

Description

Portable blood purification device

Technical Field

The utility model belongs to the technical field of the medical treatment technique and specifically relates to a portable blood purification device is related to.

Background

Unclean blood can become sticky and flow smoothly, resulting in reduced function of various organs of the body. When some organs of the body have problems, the body cannot purify the blood, and impurities and toxic substances in the blood can cause harm to the body. Currently, blood purification is performed by connecting a blood vessel access to a hemodialysis machine, rotating a peristaltic pump of the dialysis machine, introducing blood in vivo to the outside of a body through a catheter, exchanging liquid in the blood outside the body, filtering out toxins and moisture, and returning the blood to the inside of the body through the catheter. When some clinical experiments are carried out, a large-scale hemodialysis device is inconvenient to operate, and a small and quick blood purification device is lacked, so that a small amount of experimental blood can be purified in the clinical experiments.

SUMMERY OF THE UTILITY MODEL

To the above situation, for overcoming prior art's defect, the utility model provides a portable blood purification device can the large-scale dialysis machine of effectual solution operation difficulty, removes inconvenient problem.

For realizing the above-mentioned purpose, the utility model discloses a vein goes out the blood vessel, the vein goes out to be connected with the blood pump on the blood vessel, the vein goes out the blood vessel lower extreme and is equipped with a blood purification section of thick bamboo, blood purification bobbin base portion joint has the artery to advance the blood vessel, a blood purification section of thick bamboo upper portion threaded connection has the adapter sleeve, the adapter sleeve goes out vascular rotation with the vein and is connected and the vein goes out the blood vessel and runs through the adapter sleeve, the inside upside of blood purification section of thick bamboo is equipped with the spoiler, the spoiler below is equipped with the dialysis layer, be equipped with the cellulose membrane pipe in the dialysis layer, cellulose membrane pipe downside is connected with the resin adsorption layer, resin adsorption layer bottom fixedly.

Preferably, the last joint of blood purification section of thick bamboo has the elasticity to press from both sides, fixedly connected with telescopic support on the elasticity presss from both sides, support upper portion joint has reserve blood purification section of thick bamboo, support bottom fixedly connected with base.

Preferably, the support is including outer pole, and outer pole sliding connection has the fixed block, the fixed block top is equipped with the cam control piece, the cam control piece rotates with outer pole to be connected, outer pole sliding connection has interior pole, it has the spout with fixed block matched with to open on the interior pole.

Preferably, the artery blood inlet pipe is connected with an exhaust port, and a dropper is connected below the exhaust port.

Preferably, the venous outflow vessel is sleeved with a flow stopping clip.

Compared with the prior art, the utility model outstanding advantage: this device design benefit, size are less, relative and traditional purifier convenient removal, have the double-deck purification of dislysate and resin adsorbed layer in the imbibition purifying cartridge, have better blood purifying effect, and the choked flow layer can be with slowing down the blood velocity of flow, guarantees that blood has sufficient infiltration time in the dislysate.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

In the drawings:

fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic view of the internal structure of the blood purifying cylinder 3 of the present invention.

Fig. 3 is a schematic structural view of the bracket 11 of the present invention.

In the figure: 1. the blood purification device comprises a venous blood outlet pipe 2, a blood pump 3, a blood purification cylinder 4, an arterial blood inlet pipe 5, a connecting sleeve 6, a flow blocking layer 7, a cellulose membrane pipe 8, a resin adsorption layer 9, a liquid outlet pipe 10, an elastic clamp 11, a bracket 12, a standby blood purification cylinder 13, a base 1101, an outer rod 1102, a fixed block 1103, a cam control block 1104, an inner rod 1105, a chute 14, an exhaust port 15, a dropper 16 and a flow stopping clamp.

Detailed Description

The invention will now be described in further detail with reference to the accompanying figures 1-3. The attached drawings are simplified schematic diagrams, and only illustrate the basic structure of the present invention in a schematic manner, and thus only show the components related to the present invention.

Given by fig. 1-3, the utility model discloses a vein goes out blood vessel 1, the vein goes out and is connected with blood pump 2 on the blood vessel 1, vein goes out blood vessel 1 lower extreme and is equipped with blood purification section of thick bamboo 3, blood purification section of thick bamboo 3 bottom joint has the artery to advance blood vessel 4, 3 upper portion threaded connection of blood purification section of thick bamboo have adapter sleeve 5, adapter sleeve 5 goes out blood vessel 1 with the vein and rotates to be connected and vein goes out blood vessel 1 and run through adapter sleeve 5, the inside upside of blood purification section of thick bamboo 3 is equipped with spoiling 6, 6 below of spoiling is equipped with the dialysis layer, be equipped with cellulose membrane pipe 8 in the dialysis layer, 8 downside of cellulose membrane pipe is connected with the resin adsorption layer, resin adsorption layer bottom fixedly connected with drain pipe 9, drain pipe 9 advances blood vessel.

The vein outlet vessel 1 and the artery inlet vessel 4 are connected with the blood vessel of a patient through needles, the blood pump 2 is a direct current motor pump, when the blood pump 2 is started, blood in a human body is driven to flow into the vein outlet vessel 1, then the blood flows into the blood purification cylinder 3 through the vein outlet vessel 1, the flow-blocking layer 6 on the upper side in the blood purification cylinder 3 can slow down the flow velocity of the blood pushed by the blood pump 2, so that the blood slowly enters the cellulose membrane tube 8, the cellulose membrane tube 8 is positioned inside the dialysis layer, dialysate is filled in the dialysis layer, the blood and the ions inside the dialysate are exchanged and moved under the isolation of the cellulose membrane tube 8 through the permeation principle, so that harmful impurities in the blood are moved into the dialysate, meanwhile, beneficial ions in the dialysate enter the blood, the resin adsorption layer is arranged on the lower side of the cellulose membrane tube 8 and can secondarily purify toxins in the blood, thereby increase blood purification's effect, in blood flowed into drain pipe 9 behind the resin adsorption layer, drain pipe 9 and artery advance the joint position that blood vessel 4 passes through for the hard pipe, can unpack apart through advancing blood vessel 4 and blood purification section of thick bamboo 3's connection with upper portion adapter sleeve 5, lower part artery when changing blood purification section of thick bamboo 3, with change reserve blood purification section of thick bamboo 3 can.

A blood purification section of thick bamboo 3 goes up joint elastic clamp 10, fixedly connected with telescopic support 11 on the

elastic clamp

10, 11 upper portion joints of support have reserve blood purification section of

thick bamboo

12, 11 bottom fixedly connected with bases 13 of support.

The support 11 can improve the level of equipment, makes blood flow into the human body and forms the circulation under the action of gravity, and the base 13 of support 11 bottom can increase the stability of support 11, installs self-locking truckle on the base 13 simultaneously, makes things convenient for the removal of device position.

The support 11 comprises an outer rod 1101, a fixing block 1102 is connected in the outer rod 1101 in a sliding mode, a cam control block 1103 is arranged above the fixing block 1102, the cam control block 1103 is connected with the outer rod 1101 in a rotating mode, an inner rod 1104 is connected in the outer rod 1101 in a sliding mode, and a sliding groove 1105 matched with the fixing block 1102 is formed in the inner rod 1104.

As shown in fig. 3, the outer rod 1101 of the bracket 11 is a hollow tube, an inner rod 1104 is arranged in the hollow tube, when the height of the bracket 11 is adjusted, the inner rod 1104 moves relative to the outer rod 1101 by stretching the inner rod 1104, then the cam control block 1103 is rotated, the point of the cam control block 1103 away from the rotation center contacts with the fixed block 1102, the control block is pressed to move downwards, and the relative positions of the inner rod 1104 and the outer rod 1101 are kept fixed by the friction force between the fixed block 1102 and the sliding chute 1105 of the inner rod 1104.

An exhaust port 14 is connected to the artery blood inlet pipe 4, and a dropper 15 is connected to the lower portion of the exhaust port 14. The venous outflow vessel 1 is sleeved with a flow stopping clamp 16.

When the blood purification cylinder 3 is replaced, the blood in the human body can be prevented from entering the vein into the blood vessel by the flow stopping clamp 16, the blood in the blood purification cylinder 3 can be replaced when the blood downwards and completely flows into the artery into the blood vessel 4, when the blood purification cylinder 3 is replaced, the temporary storage blood in the dropper 15 can continuously flow into the human body, the flow stopping clamp 16 and the exhaust port 14 can be opened after the blood purification cylinder is replaced, the gas in the pipeline when the blood purification cylinder 3 is replaced is discharged by the exhaust port 14, and then the exhaust port 14 is plugged by the port plug.

The utility model discloses whole work flow: vein goes out blood vessel 1 and artery and advances blood vessel 4 and link to each other through syringe needle and patient's blood vessel, the internal blood stream of human body goes into vein and goes out blood vessel 1, go out blood vessel 1 through the vein and flow into inside blood purification section of thick bamboo 3, slow down the velocity of flow through spoiling 6 in blood purification section of thick bamboo 3, later through the inside infiltration that is between dislysate and the blood of dialysis layer purify blood for the first time, the blood after the purification carries out secondary purification through the resin adsorbed layer to blood, blood after the purification advances blood vessel 4 through the artery and flows into the human body in, thereby form circulation.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a portable blood purification device, includes vein play blood vessel (1), the vein goes out to be connected with blood pump (2) on blood vessel (1), vein play blood vessel (1) lower extreme is equipped with a blood purification section of thick bamboo (3), blood purification section of thick bamboo (3) bottom joint has the artery to advance blood vessel (4), its characterized in that: blood purification section of thick bamboo (3) upper portion threaded connection has adapter sleeve (5), adapter sleeve (5) go out blood vessel (1) with the vein and rotate to be connected and the vein goes out blood vessel (1) and runs through adapter sleeve (5), the inside upside of blood purification section of thick bamboo (3) is equipped with choking layer (6), choking layer (6) below is equipped with the dialysis layer, be equipped with cellulose membrane pipe (8) in the dialysis layer, cellulose membrane pipe (8) downside is connected with the resin adsorption layer, resin adsorption layer bottom fixedly connected with drain pipe (9), drain pipe (9) advance blood vessel (4) joint with the artery.

2. A portable blood purification device according to claim 1, wherein: a clamping device is arranged on the blood purification cylinder (3) and is provided with an elastic clamp (10), the elastic clamp (10) is provided with a telescopic support (11), the support (11) is provided with a standby blood purification cylinder (12) in a clamping manner at the upper part, and a base (13) is fixedly connected to the bottom of the support (11).

3. A portable blood purification device according to claim 2, wherein: support (11) including outer pole (1101), sliding connection has fixed block (1102) in outer pole (1101), fixed block (1102) top is equipped with cam control piece (1103), cam control piece (1103) rotate with outer pole (1101) and are connected, sliding connection has interior pole (1104) in outer pole (1101), it has spout (1105) with fixed block (1102) matched with to open on interior pole (1104).

4. A portable blood purification device according to claim 1, wherein: the artery blood inlet pipe (4) is connected with an exhaust port (14), and a dropper (15) is connected below the exhaust port (14).

5. A portable blood purification device according to claim 1, wherein: the vein outlet vessel (1) is sleeved with a flow stopping clip (16).