CN213251852U

CN213251852U - Nephrology department and blood purification are with blood filtration device

Info

Publication number: CN213251852U
Application number: CN202021955709.4U
Authority: CN
Inventors: 张丽
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-09-09
Filing date: 2020-09-09
Publication date: 2021-05-25
Anticipated expiration: 2030-09-09

Abstract

The utility model discloses a blood filtration device for nephrology department and blood purification, which comprises a blood filter body, wherein the upper end of the left side of the blood filter body is provided with a blood transfusion connecting pipe, the left end of the blood transfusion connecting pipe is connected with a blood inlet pipe through a connector, the lower end of the left side of the blood filter body is provided with a bleeding connecting pipe, the outer end of the bleeding connecting pipe is provided with a bleeding flow control device, the left end of the bleeding connecting pipe is connected with a blood outlet pipe through a connector, the right side of the blood filter body is connected with a circulating pump through a circulating inlet pipe and a circulating outlet pipe, the inside of the circulating inlet pipe and the circulating outlet pipe is filled with a polymer composite filter material, the inside of the blood filter body is provided with a polyacrylonitrile membrane multilayer small flat filter and a polysulfone membrane hollow fiber filter, relating to the, the efficiency of blood purification has been improved, has shortened the dialysis time, and intelligent performance is high, maintains blood temperature normal all the time.

Description

Nephrology department and blood purification are with blood filtration device

Technical Field

The utility model relates to a nephrology dept and blood purification technical field specifically are a nephrology dept and blood purification use blood filtration device.

Background

Blood purification refers to a process of extracting blood of a patient from the body by using a certain instrument and equipment, removing certain metabolic wastes or toxic substances in the body through a certain procedure, and then extracting the blood back into the body. Hemofiltration (HF) refers to the process of removing excess water and toxins from the body by continuously replenishing a certain amount of replacement fluid in the vascular access without using dialysate during blood purification, mixing the replacement fluid with blood thoroughly, and then performing ultrafiltration at the same rate. Compared with hemodialysis, hemofiltration has the advantages of small influence on hemodynamics, high removal rate of medium molecular substances and the like.

Through retrieval, chinese patent No. CN201101750Y discloses a blood filter, which comprises a housing, a cavity is arranged in the housing, filter fibers are arranged in the cavity, a blood transfusion connector and a blood bleeding connector are arranged on the housing, the blood transfusion connector and the blood bleeding connector are respectively communicated with the cavity, a first external connector is arranged on the blood transfusion connector, the first external connector is connected with a blood inlet tube, a second external connector is arranged on the blood bleeding connector, and the second external connector is connected with a blood outlet tube.

The hemofilter in the above patent has the following disadvantages: blood purification's inefficiency, dialysis time is long, application scope limitation, the structure is complicated, and is with high costs, the inconvenient control amount of bleeding, intelligent performance is not enough, blood purification leads to health low temperature, cause by the machine usually, in dialysis process, blood pressure decline appears in some patients, influence dialysis process and effect, blood leaves the health and passes through the pipeline arrival machine among the blood purification process, blood temperature reduces behind the low temperature machine, low temperature blood gets into the health and can lead to body low temperature, causes the discomfort.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The not enough to prior art, the utility model provides a nephrology dept and blood filtration device for blood purification, the inefficiency of blood purification has been solved, the dialysis time is long, application scope limitation, the structure is complicated, and is with high costs, inconvenient control bleeding volume, intelligent performance is not enough, blood purification leads to health low temperature, cause by the machine usually, in the dialysis process, the blood pressure drop appears in partial patient, influence dialysis process and effect, blood leaves the health and passes through the pipeline and reachs the machine among the blood purification process, blood temperature reduces after the cryogenic machine, low temperature blood gets into health and can lead to body low temperature, arouse uncomfortable problem.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a hemofiltration device for nephrology department and blood purification comprises a hemofiltration device body, wherein a blood transfusion connecting pipe is arranged at the upper end of the left side of the hemofiltration device body, the left end of the blood transfusion connecting pipe is connected with a blood inlet pipe through a connector, a bleeding connecting pipe is arranged at the lower end of the left side of the hemofiltration device body, a bleeding flow control device is arranged at the outer end of the bleeding connecting pipe, the left end of the bleeding connecting pipe is connected with a blood outlet pipe through a connector, the right side of the hemofiltration device body is connected with a circulating pump through a circulating inlet pipe and a circulating outlet pipe, polymer composite filter materials are filled in the circulating inlet pipe and the circulating outlet pipe, a polyacrylonitrile membrane multi-layer small flat filter and a polysulfone membrane hollow fiber filter are arranged in the hemofiltration device body, and a flow rate adjusting wheel is embedded, the utility model discloses a flow control device for bleeding, including bleed flow control device, the inside both ends of bleed flow control device are equipped with NTC temperature sensor, the bottom of bleed flow control device is equipped with the heating package, the inside electric connection of heating package distributes and has electric heating pipe, the bottom electric connection of heating package has heating control device, heating control device's front end is equipped with the temperature display screen.

Preferably, the upper end and the lower end of the side part of the hemofilter body are fixedly provided with a plug connector in a plug-in connection with the circulating inlet pipe and the circulating outlet pipe.

Preferably, a mounting plate is arranged between the inner side end of the circulating pump and the blood filter body in an adhering mode, and an adjusting hand wheel is connected to the side end of the circulating pump.

Preferably, the front end of the hemofilter body is provided with a purification display screen, and the lower end of the purification display screen is distributed with a switch key, a setting key and a reset key.

Preferably, the electric heating tube is of a bent and coiled structure, the NTC temperature sensor is arranged in the bleeding connecting tube, and the NTC temperature sensor is electrically connected to the heating control device through a wire.

Preferably, the side of temperature display screen distributes and has set for button and switch button, the inside packing of heating package has the pure water, the fixed water filling port that is equipped with in right-hand member bottom of heating package.

(III) advantageous effects

The utility model provides a blood filtering device for nephrology department and blood purification. The method has the following beneficial effects:

(1) this nephrology dept and blood purification use blood filtration device, the efficiency of blood purification has been improved, the dialysis time has been shortened, need not to use hemofilter and supply a large amount of replacement fluids, be applicable to acute renal failure field rescue, therefore, the clothes hanger is strong in practicability, convenient to use, moreover, the steam hanger is simple in structure, it is worth promoting, in clinical use, blood purification effect is good, filtration efficiency is high, through the circulating pump that advances the pipe and circulate the union coupling through circulation at hemofilter body right side, conveniently carry out the loop filter with inside filtered blood once more, through the polymer composite filter material of the inside filling of advancing pipe and circulation exit pipe in the circulation, specific surface is big, the porosity is high, very big improvement the clearance of leukocyte in the blood, blood filtration time has been shortened, low cost, and easy realization.

(2) This blood filtration device for nephrology dept and blood purification, through the flow control device that bleeds that sets up in the connecting pipe outer end that bleeds, but the high efficiency is through the inlaid velocity of flow regulating wheel control bleeding volume in inside upper end, high durability and convenient use, a plurality of electric heating pipe of the inside electric connection of heating package through the heating package that sets up in the flow control device bottom that bleeds, but the high efficiency is through heating control device control heating, monitor the temperature in the connecting pipe that bleeds in real time through the NTC temperature sensor that sets up, the temperature display screen real-time display temperature through heating control device front end, intelligent performance is high, maintain the blood temperature in the normal blood temperature range of health all the time, and reasonable design.

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 present invention;

fig. 3 is a schematic structural view of the blood temperature regulating device of the present invention.

In the figure, a hemofilter body 1, a blood inlet pipe 2, a blood outlet pipe 3, a connector 4, a bleeding flow control device 5, a purification display screen 6, a blood transfusion connecting pipe 7, a bleeding connecting pipe 8, a circulating pump 9, a circulating inlet pipe 10, a circulating outlet pipe 11, an adjusting hand wheel 12, a polymer composite material 13, a polyacrylonitrile membrane multi-layer small flat filter 14, a polysulfone membrane hollow fiber filter 15, a flow rate adjusting wheel 16, a heating bag 17, an NTC temperature sensor 18, an electric heating pipe 19, a heating control device 20 and a temperature display screen 21.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, an embodiment of the present invention provides a technical solution: a hemofiltration device for nephrology department and blood purification comprises a hemofiltration device body 1, wherein a blood transfusion connecting pipe 7 is arranged at the upper end of the left side of the hemofiltration device body 1, the left end of the blood transfusion connecting pipe 7 is connected with a blood inlet pipe 2 through a connector 4, the lower end of the left side of the hemofiltration device body 1 is provided with a bleeding connecting pipe 8, the outer end of the bleeding connecting pipe 8 is provided with a bleeding flow control device 5, the left end of the bleeding connecting pipe 8 is connected with a blood outlet pipe 3 through the connector 4, the right side of the hemofiltration device body 1 is connected with a circulating pump 9 through a circulating inlet pipe 10 and a circulating outlet pipe 11, the interiors of the circulating inlet pipe 10 and the circulating outlet pipe 11 are filled with a polymer composite filtration material 13, a polyacrylonitrile membrane multilayer small flat filter 14 and a polysulfone membrane hollow fiber filter 15 are arranged in, the inside upper end of the flow control device 5 that bleeds is inlayed and is had velocity of flow regulating wheel 16, the inside both ends of the flow control device 5 that bleeds are equipped with NTC temperature sensor 18, the bottom of the flow control device 5 that bleeds is equipped with heating package 17, the inside electric connection of heating package 17 distributes and has electric heating pipe 19, the bottom electric connection of heating package 17 has heating controlling means 20, the front end of heating controlling means 20 is equipped with temperature display screen 21.

Referring to fig. 1, the insertion connectors are fixedly inserted between the upper end and the lower end of the side portion of the hemofilter body 1 and the circulation inlet pipe 10 and the circulation outlet pipe 11, so that the direct insertion and fixation and installation are facilitated, the disassembly is convenient, the speed is high, the structure is simple, and the cost is low.

Referring to fig. 1, a mounting plate is adhesively mounted between the inner side end of the circulation pump 9 and the hemofiltration device body 1, the mounting plate is more stable, the side end of the circulation pump 9 is connected with an adjusting handwheel 12, and the adjusting handwheel 12 can be directly rotated to adjust the circulation speed of the circulation pump 9.

Referring to fig. 3, the purification display screen 6 is disposed at the front end of the hemofilter body 1, and the switch button, the setting button and the reset button are disposed at the lower end of the purification display screen 6, so that the purification time can be directly displayed, and the control of the switch, the setting time and the reset are convenient.

Referring to fig. 3, the electric heating tube 19 is a bent coil structure, the NTC temperature sensor 18 is disposed inside the bleeding connecting tube 8, and the NTC temperature sensor 18 is electrically connected to the heating control device 20 through a wire, so as to uniformly heat the inside of the heating bag 17, so that the blood in the bleeding connecting tube 8 is heated and controlled conveniently.

Referring to fig. 3, a setting button and a switch button are distributed at a side end of the temperature display screen 21, purified water is filled in the heating bag 17, a water filling port is fixedly arranged at the bottom of the right end of the heating bag 17, purified water can be directly filled in the heating bag, the temperature suitable for blood can be directly set, and the use is convenient.

The working principle is as follows: the blood inlet pipe 2 is connected with a blood transfusion connecting pipe 7 through a connector 4 to input blood, the blood is filtered and purified through a polyacrylonitrile membrane multi-layer small flat filter 14 and a polysulfone membrane hollow fiber filter 15 in the hemofilter body 1, the internally filtered blood is subjected to circulating filtration again through a circulating pump 9 connected with a circulating inlet pipe 10 and a circulating outlet pipe 11 on the right side of the hemofilter body 1, leucocytes in the blood are removed through a polymer composite filtering material 13 filled in the circulating inlet pipe 10 and the circulating outlet pipe 11, the blood filtering time is shortened, the specific surface area is large, the porosity is high, the blood is output through a blood outlet pipe 3 connected with a bleeding connecting pipe 8 through the connector 4, a bleeding flow control device 5 at the outer end of the bleeding connecting pipe 8 controls the blood output through a flow rate adjusting wheel 16 embedded at the upper end of the inside, and the heating is controlled and heated through a plurality of electric heating pipes 19 electrically connected with the bottom of the bleeding flow control device 5 and, the NTC temperature sensor 18 monitors the temperature in the blood connecting pipe 8 in real time, the temperature is intelligently displayed in real time through a temperature display screen 21 at the front end of the heating control device 20, the blood temperature is always maintained in a normal blood temperature range of a body, the NTC temperature sensor 18 utilizes the characteristic that the resistance value of the NTC thermistor rapidly decreases along with the temperature rise under certain measurement power, and the NTC thermistor can determine the corresponding temperature by measuring the resistance value of the NTC thermistor, so that the aim of detecting and controlling the temperature is fulfilled.

The utility model relates to a blood filter body 1, a blood inlet pipe 2, a blood outlet pipe 3, a connector 4, a bleeding flow control device 5, a purification display screen 6, a blood transfusion connecting pipe 7, a bleeding connecting pipe 8, a circulating pump 9, a circulating inlet pipe 10, a circulating outlet pipe 11, an adjusting hand wheel 12, a polymer composite material 13, a polyacrylonitrile membrane multi-layer small flat plate filter 14, a polysulfone membrane hollow fiber filter 15, a flow velocity adjusting wheel 16, a heating bag 17, an NTC temperature sensor 18, an electric heating pipe 19, a heating control device 20 and a temperature display screen 21, wherein the components are all universal standard components or components known by technicians in the field, the structure and the principle of the components can be known by technicians in the field through technical manuals or conventional experimental methods, the utility model solves the problems of low efficiency of blood purification, long dialysis time, limited application range and complex structure, the utility model has the advantages of high cost, inconvenient control of bleeding amount, insufficient intelligent performance, low body temperature caused by blood purification, usually caused by a machine, blood pressure reduction of partial patients during dialysis, influence on dialysis process and effect, blood leaving from the body to reach the machine through a pipeline during blood purification, blood temperature reduction after passing through a low temperature machine, low temperature blood entering into the body can cause low body temperature, and discomfort, through the mutual combination of the components, the utility model improves the efficiency of blood purification, shortens dialysis time, does not need a hemofiltration machine and supplements a large amount of liquid, is suitable for acute renal failure on-site rescue, has strong practicability, convenient use, simple structure, is worthy of popularization, has good blood purification effect and high filtration efficiency in clinical use, is convenient for carrying out circulation filtration on the internally filtered blood again, has large specific surface area and high porosity, the device has the advantages of greatly improving the clearance rate of leukocytes in blood, shortening the blood filtration time, being low in cost, controlling the amount of bleeding, being convenient to use, controlling heating, monitoring the temperature in real time, being high in intelligent performance, always maintaining the blood temperature in the normal blood temperature range of a human body, and being reasonable in design.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. 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.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a nephrology dept and blood purifies uses hemofiltration device which characterized in that: comprises a hemofilter body (1), a blood transfusion connecting pipe (7) is arranged at the upper end of the left side of the hemofilter body (1), the left end of the blood transfusion connecting pipe (7) is connected with a blood inlet pipe (2) through a connector (4), a bleeding connecting pipe (8) is arranged at the lower end of the left side of the hemofilter body (1), a bleeding flow control device (5) is arranged at the outer end of the bleeding connecting pipe (8), the left end of the bleeding connecting pipe (8) is connected with a blood outlet pipe (3) through the connector (4), the right side of the hemofilter body (1) is connected with a circulating pump (9) through a circulating inlet pipe (10) and a circulating outlet pipe (11), a polymer composite filtering material (13) is filled in the circulating inlet pipe (10) and the circulating outlet pipe (11), a polyacrylonitrile membrane multi-layer small flat plate filter (14) and a polysulfone membrane hollow fiber filter (15) are arranged in the hemofilter body (, the inside upper end of bleeding flow control device (5) is inlayed and is had velocity of flow regulating wheel (16), the inside both ends of bleeding flow control device (5) are equipped with NTC temperature sensor (18), the bottom of bleeding flow control device (5) is equipped with heating package (17), the inside electric connection of heating package (17) distributes and has electric heating pipe (19), the bottom electric connection of heating package (17) has heating control device (20), the front end of heating control device (20) is equipped with temperature display screen (21).

2. The hemofiltration device for nephrology department and blood purification according to claim 1, wherein: the upper end and the lower end of the side part of the hemofiltration device body (1) are fixedly provided with inserting connectors with the circulating inlet pipe (10) and the circulating outlet pipe (11) in an inserting way.

3. The hemofiltration device for nephrology department and blood purification according to claim 1, wherein: an installation plate is arranged between the inner side end of the circulating pump (9) and the blood filter body (1) in an adhering mode, and an adjusting hand wheel (12) is connected to the side end of the circulating pump (9).

4. The hemofiltration device for nephrology department and blood purification according to claim 1, wherein: the front end of the hemofiltration device body (1) is provided with a purification display screen (6), and the lower end of the purification display screen (6) is distributed with a switch key, a setting key and a reset key.

5. The hemofiltration device for nephrology department and blood purification according to claim 1, wherein: the electric heating pipe (19) is of a bent and coiled structure, the NTC temperature sensor (18) is arranged inside the bleeding connecting pipe (8), and the NTC temperature sensor (18) is electrically connected to the heating control device (20) through a wire.

6. The hemofiltration device for nephrology department and blood purification according to claim 1, wherein: the temperature display screen (21) side distribute have set button and switch button, the inside packing of heating package (17) has the pure water, the fixed water filling port that is equipped with in right-hand member bottom of heating package (17).