CN113384767B

CN113384767B - Portable blood purification device

Info

Publication number: CN113384767B
Application number: CN202110640409.XA
Authority: CN
Inventors: 韦梅珍; 陈创华; 蔡瑛; 李艳操
Original assignee: First Affiliated Hospital of Shantou University Medical College
Current assignee: First Affiliated Hospital of Shantou University Medical College
Priority date: 2021-06-08
Filing date: 2021-06-08
Publication date: 2023-04-07
Anticipated expiration: 2041-06-08
Also published as: CN113384767A

Abstract

The invention discloses a portable blood purification device which comprises a bottom box, a flow control mechanism, a filtering mechanism and a control panel, wherein folding trundles are arranged on the surface of a supporting plate at the bottom of the bottom box, a plurality of hydraulic connecting rods are vertically arranged on the surface of the bottom box outside a containing groove, a sealing cover is arranged on one side surface of each hydraulic connecting rod, which is far away from the bottom box, a plurality of groups of electric rotating disks are oppositely arranged on the front side surface of the processing box inside the hydraulic connecting rods, a cylindrical temperature control pipe is vertically and fixedly arranged in the middle of the front side surface of the processing box on one side of a threading hole, the flow control mechanism and the filtering mechanism are arranged at one end of the inner wall of the processing box, and the control panel is transversely arranged on the front side surface of the bottom box outside a power switch. According to the invention, the combination of the sealing cover and the bottom box is controlled through the hydraulic connecting rod, and the processing box is arranged in the bottom box in an embedded structure, so that the emergency treatment device can effectively reduce the occupied operating space and is convenient to carry so as to meet the emergency treatment requirement, and the using effect is good.

Description

Portable blood purification device

Technical Field

The invention relates to the technical field of blood purification, in particular to a portable blood purification device.

Background

Blood purification is also called dialysis in daily life. Its meanings are: the blood of the patient is led out of the body and passes through a purifying device to remove some pathogenic substances and purify the blood, thereby achieving the purpose of treating diseases. The blood purification should include: hemodialysis, hemofiltration, hemoperfusion, plasmapheresis, immunoadsorption, and the like. Peritoneal dialysis does not draw blood out of the body, but the principle is the same. Hemodialysis is only one of the methods for treating chronic renal failure. The product performance structure and the composition of the product are composed of a pump part, a syringe pump part, a pressure measuring part, a display and flow setting part, a blood purification related part, a control part and a device movement related part. Does not contain consumable materials such as disposable filters, circuits and the like which are used with the equipment. The product is suitable for various blood filters and disposable loops, and is clinically suitable for blood purification or body fluid treatment such as continuous slow hemodialysis, continuous slow hemofiltration dialysis, double filtration plasma exchange [ warming ], plasma exchange, plasma adsorption, hemofiltration, ultrafiltration, blood adsorption, ascites filtration and concentration, and the like. Current be used for blood purification treatment facility to be mostly bedside fixed cabinet type structure, it is big to carry and the transport degree of difficulty, and occupies great storage space, and the practicality is poor.

Disclosure of Invention

The invention aims to provide a portable blood purification device to solve the problems in the prior art.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a portable blood purification device, includes under casing, accuse flow mechanism, filter mechanism, control panel, the bottom fixed surface of under casing is provided with the backup pad, the bottom surface of backup pad is provided with a plurality of folding truckles through L shape connecting seat activity, the preceding side surface upper portion one end of under casing is provided with switch through seting up the recess horizontal fixation, the vertical U-shaped groove of accomodating of having seted up in top surface middle part of under casing, the under casing bottom surface of accomodating the groove outside is provided with a plurality of hydraulic pressure connecting rods through the vertical fixed of limiting plate, the fixed arris platform form closing cap that is provided with in under casing one end side is kept away from to hydraulic pressure connecting rod, the vertical fixed processing case that is provided with in closing cap bottom surface middle part of hydraulic pressure connecting rod inboard, it is provided with multiunit electric rotary disk through seting up logical groove activity in opposite directions to handle case front side surface, a plurality of through wires holes have been seted up to the processing case front side surface of electric rotary disk one side, the vertical fixed cylindrical temperature control pipe that is provided with in processing case middle part of through wires hole one side, the fixed inner wall upper portion one end that sets up at the processing case inner wall of processing case, filter mechanism is fixed at the mechanism outer side of mechanism, the control panel horizontal fixed the inner wall of opening through the control mechanism, through electric flow mechanism, the control panel control mechanism is connected signal controller respectively.

Preferably, the supporting plate and the bottom box are integrated into a whole by adopting a welding process, the folding caster is controlled by a spring to rotate through the sliding groove, and the rotating angle is 0-90 degrees.

Preferably, one end of the bottom of the inner wall of the bottom box is provided with a storage battery and is matched with an external power supply to control the power connection of equipment.

Preferably, the hydraulic connecting rods are multi-section jacking oil cylinders, four groups of hydraulic connecting rods are vertically arranged between the bottom box and the sealing cover and synchronously control the four groups of hydraulic connecting rods to move up and down.

Preferably, a lifting handle is movably arranged at the transverse center line of the top surface of the sealing cover through a connecting seat, and the treatment box and the sealing cover are integrated into a whole by adopting a welding process.

Preferably, the flow control mechanism comprises a blood transfusion network consisting of an internal blood pump, a pressure detector, a bubble detector, a flow control valve and a multi-type transfusion tube.

Preferably, the middle part of the lower end of the front side surface of the treatment box is vertically and fixedly provided with a flow stabilizing cylinder through a binding belt, the flow stabilizing cylinder is of an upper liquid outlet structure, and the pressure detector and the bubble detector are respectively communicated with the inner cavity of the flow stabilizing cylinder through analysis tubes.

Preferably, the filtering mechanism comprises a dialyzer, a hemofilter, a hemoperfusion apparatus, a plasma component separator and other purification devices.

Preferably, two groups of electric rotating disks are arranged on the front side of the treatment box, each group of electric rotating disks is two, the electric rotating disks synchronously control the positive and negative rotation by a stepping motor, and the rotating angle is-30 degrees.

Compared with the prior art, the invention has the beneficial effects that: according to the invention, the hydraulic connecting rod is arranged between the sealing cover and the bottom box, the processing box is arranged in the bottom box in an embedded structure, the occupied operation space can be effectively reduced, and the processing box is convenient to carry so as to meet the emergency treatment requirement.

Drawings

FIG. 1 is a schematic view of the structure of the present invention;

FIG. 2 is a schematic view of the expanded structure of the present invention;

FIG. 3 is a cross-sectional view of an expanded configuration of the present invention;

FIG. 4 is a schematic view showing the internal structure of the treatment tank of the present invention;

FIG. 5 is a control flow diagram of the present invention;

fig. 6 is a flow chart of the blood purification structure of the present invention.

In the figure: 1. a bottom box; 2. a control panel; 3. a support plate; 4. folding the caster; 5. A power switch; 6. a storage groove; 7. a hydraulic link; 8. sealing the cover; 9. a treatment box; 10. An electric rotating disc; 11. threading holes; 12. a temperature control tube; 13. a battery pack; 14. A handle; 15. a blood pump; 16. a pressure detector; 17. a bubble detector; 18. A flow control valve; 19. a flow stabilizing cylinder; 20. a dialyzer; 21. a blood filter; 22. a blood perfusion device; 23. a plasma component separator.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 6, in the embodiment of the present invention, a portable blood purification apparatus includes a bottom case 1, a flow control mechanism, a filtering mechanism, and a control panel 2, a support plate 3 is fixedly disposed on a bottom surface of the bottom case 1, a plurality of foldable casters 4 are movably disposed on a bottom surface of the support plate 3 through an L-shaped connecting seat, a power switch 5 is transversely and fixedly disposed at one end of an upper portion of a front side surface of the bottom case 1 through a groove, a U-shaped storage groove 6 is vertically disposed in a middle portion of a top surface of the bottom case 1, a plurality of hydraulic connecting rods 7 are vertically and fixedly disposed on the bottom surface of the bottom case 1 outside the storage groove 6 through a limiting plate, a prismatic table-shaped sealing cover 8 is fixedly disposed on a side surface of the hydraulic connecting rod 7 away from the bottom case 1, a processing case 9 is vertically and fixedly disposed in a middle portion of a bottom surface of the sealing cover 8 on an inner side of the hydraulic connecting rod 7, a plurality of electric rotating discs 10 are movably disposed on a front side surface of the processing case 9 through a through groove, a plurality of threading holes 11 are disposed on a front side surface of the processing case 9 on one side of the electric rotating disc 10, a cylindrical pipe 12 is vertically and fixedly disposed in a middle portion of a front side surface of the processing case 9, one end of the temperature control mechanism is fixedly disposed on an inner wall of the control mechanism, one end of the control box 9, one end of the inner wall of the electric flow control mechanism is fixedly disposed on the inner wall of the control box, the inner wall of the electric flow control box is fixedly disposed on the inner wall of the inner side of the filtering mechanism and fixedly disposed on the bottom case 2, the inner wall of the filtering mechanism, the bottom case 2, the electric flow control mechanism is connected to the bottom case, the bottom case 2, the electric flow control mechanism, and the electric flow control mechanism, the electrical flow control mechanism is connected to the bottom case 2, the electrical switch mechanism, the electrical switch 5, and the control mechanism, and the bottom case 2, and the electrical switch 5; the supporting plate 3 is integrated with the bottom box 1 into a whole by adopting a welding process, the folding caster 4 is controlled by a spring to rotate through the chute, and the rotating angle is 0-90 degrees, so that the pulling and moving requirements during carrying are met; one end of the bottom of the inner wall of the bottom box 1 is provided with a storage battery pack 13 and is matched with an external power supply to control the power connection of equipment; the hydraulic connecting rods 7 are multi-section jacking oil cylinders, four groups of hydraulic connecting rods 7 are vertically arranged between the bottom box 1 and the sealing cover 8 and synchronously control the vertical movement, so that the stability and reliability during the unfolding are ensured; a lifting handle 14 is movably arranged at the transverse center line of the top surface of the sealing cover 8 through a connecting seat, and the processing box 9 is integrated with the sealing cover 8 into a whole by adopting a welding process, so that the carrying is convenient; the flow control mechanism comprises a built-in blood pump 15, a pressure detector 16, a bubble detector 17, a flow control valve 18 and a multi-type infusion tube to form a blood transfusion network, so that the flow control requirement during blood transfusion is met; a steady flow cylinder 19 is vertically and fixedly arranged in the middle of the lower end of the front side surface of the treatment box 9 through a binding band, the steady flow cylinder 19 is of an upper liquid outlet type structure, and a pressure detector 16 and a bubble detector 17 are respectively communicated with the inner cavity of the steady flow cylinder 19 through analysis tubes, so that reliable blood supply during reflux operation is ensured; the filtering mechanism comprises a dialyzer 20, a blood filter 21, a blood perfusion device 22, a plasma component separator 23 and other purification devices, and deeply purifies impurities of different components in the blood to ensure the purification performance; two groups of electric rotating disks 10 are arranged at the front side of the treatment box 9, and each group comprises two electric rotating disks 10, the electric rotating disks 10 are synchronously controlled to rotate forwards and backwards by a stepping motor, and the rotating angle is-30 degrees, so that blood transfusion is prevented from being influenced by blood coagulation.

The working principle of the invention is as follows: when the device is used, the device is moved into a working area through the lifting handle 14 or the folding caster 4 and fixed, the hydraulic connecting rod 7 is controlled to be unfolded to jack the sealing cover 8 upwards, the blood inlet pipe and the blood outlet pipe are respectively communicated with the blood conveying pipe on the surface of the treatment box 9 according to the purification requirement to complete blood supply loop construction, the blood pump 15 pressurizes the blood conveying pipeline and utilizes the electric rotating disk 10 to rotate at a constant speed to ensure the continuity and reliability of blood transfusion, the pressure detector 16 and the bubble detector 17 can effectively analyze the state of the blood in the flow stabilizing cylinder 19 and complete defoaming treatment in modes of pressurization and the like, and the dialyzer 20, the blood filter 21, the blood perfusion device 22 and the plasma component separator 23 are utilized to complete step-by-step filtration and impurity removal after the blood enters the treatment, so that the blood permeability is ensured while the blood purification treatment requirement is met, and the use effect is good.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a portable blood purification device, includes under casing (1), accuse flow mechanism, filtering mechanism, control panel (2), its characterized in that: the bottom surface of the bottom box (1) is fixedly provided with a supporting plate (3), the bottom surface of the supporting plate (3) is movably provided with a plurality of folding caster wheels (4) through an L-shaped connecting seat, one end of the upper part of the front side surface of the bottom box (1) is transversely and fixedly provided with a power switch (5) through the arrangement of a groove, the middle part of the top surface of the bottom box (1) is vertically provided with a U-shaped accommodating groove (6), the bottom surface of the bottom box (1) outside the accommodating groove (6) is vertically and fixedly provided with a plurality of hydraulic connecting rods (7) through a limiting plate, the side surface of one end of the hydraulic connecting rod (7) far away from the bottom box (1) is fixedly provided with a prismatic table-shaped sealing cover (8), the middle part of the bottom surface of the sealing cover (8) at the inner side of the hydraulic connecting rods (7) is vertically and fixedly provided with a processing box (9), the front side surface of the processing box (9) is movably provided with a plurality of groups of electric rotating disks (10) through the arrangement of through grooves in opposite directions, the front side surface of the processing box (9) at one side of the electric rotating disk (10) is provided with a plurality of threading holes (11), the middle part of the processing box (9) is fixedly provided with a cylindrical temperature control pipe (12) fixed at the upper part of the inner wall of the processing mechanism, the filtering mechanism is fixedly arranged on the inner wall of a processing box (9) outside the current control mechanism, the control panel (2) is transversely and fixedly arranged on the front side surface of the bottom box (1) outside the power switch (5), the control panel (2) is respectively connected with the current control mechanism and electrical equipment in the filtering mechanism through a controller, the support plate (3) is integrated with the bottom box (1) into a whole by adopting a welding process, the folding caster (4) is controlled to rotate by a spring through a chute, the rotating angle is 0-90 degrees, one end of the bottom of the inner wall of the bottom box (1) is provided with a storage battery (13) and is matched with an external power supply to control the power connection of equipment, the hydraulic connecting rod (7) is a multi-section jacking oil cylinder, four groups of hydraulic connecting rods (7) are vertically arranged between the bottom box (1) and the sealing cover (8) and synchronously control the vertical movement, the flow control mechanism consists of a built-in blood pump (15), a pressure detector (16), a bubble detector (17), a flow control valve (18) and a multi-type infusion tube to form a blood transfusion network, a lifting handle (14) is movably arranged at the transverse central line of the top surface of the sealing cover (8) through a connecting seat, the treatment box (9) is integrated with the sealing cover (8) into a whole by adopting a welding process, two groups of electric rotating disks (10) are arranged at the front side of the treatment box (9), each group is two, the electric rotating disks (10) are synchronously controlled to rotate forwards and reversely by a stepping motor, and the rotating angle is-30 degrees, the middle part of the lower end of the front side surface of the treatment box (9) is vertically and fixedly provided with a steady flow cylinder (19) through a belt, the steady flow cylinder (19) is of an upper liquid outlet structure, a pressure detector (16) and a bubble detector (17) are respectively communicated with the inner cavity of the steady flow cylinder (19) through analysis tubes, and the filtering mechanism comprises a dialyzer (20), a blood filter (21), a blood perfusion device (22) and a plasma component separator (23) purifying device.