CN116440346A - Novel anti-pollution blood perfusion device - Google Patents

Novel anti-pollution blood perfusion device Download PDF

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Publication number
CN116440346A
CN116440346A CN202310650421.8A CN202310650421A CN116440346A CN 116440346 A CN116440346 A CN 116440346A CN 202310650421 A CN202310650421 A CN 202310650421A CN 116440346 A CN116440346 A CN 116440346A
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CN
China
Prior art keywords
inner end
sleeve
positioning clamping
frame
unidirectional
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CN202310650421.8A
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Chinese (zh)
Inventor
柏保东
柏景轩
周玉艳
董旭
张泳
李梅
王云霞
张汶鸣
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Individual
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Individual
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Priority to CN202310650421.8A priority Critical patent/CN116440346A/en
Publication of CN116440346A publication Critical patent/CN116440346A/en
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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M1/00Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
    • A61M1/36Other treatment of blood in a by-pass of the natural circulatory system, e.g. temperature adaptation, irradiation ; Extra-corporeal blood circuits
    • A61M1/3613Reperfusion, e.g. of the coronary vessels, e.g. retroperfusion
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M1/00Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
    • A61M1/14Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis
    • A61M1/16Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis with membranes
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/30Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change

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  • Health & Medical Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Vascular Medicine (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Anesthesiology (AREA)
  • Biomedical Technology (AREA)
  • Hematology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Urology & Nephrology (AREA)
  • Cardiology (AREA)
  • Emergency Medicine (AREA)
  • External Artificial Organs (AREA)

Abstract

The invention belongs to the technical field of blood perfusion devices, and particularly relates to a novel anti-pollution blood perfusion device which aims to solve the technical problems that blood pressure in an input blood vessel is insufficient or hemolysis appears due to overlarge pressure easily.

Description

Novel anti-pollution blood perfusion device
Technical Field
The invention belongs to the technical field of blood perfusion devices, and particularly relates to a novel anti-pollution blood perfusion device.
Background
The blood perfusion device belongs to a common blood filtration device in the technical field of blood perfusion devices, but the common blood perfusion device is easy to cause insufficient blood pressure in an input blood vessel or hemolysis appearance caused by overlarge pressure.
Disclosure of Invention
The invention aims to provide a novel anti-pollution blood perfusion device, which aims to solve the technical problems that the blood pressure in an input blood vessel is insufficient or hemolysis appears due to overlarge pressure.
In order to achieve the above purpose, the invention provides a novel anti-pollution blood perfusion device, which comprises the following specific technical scheme:
the utility model provides a novel anti-pollution blood perfusion device, includes adsorption tank subassembly, still includes blood pump subassembly, one-way subassembly and barometric pressure compensation subassembly, blood pump subassembly is connected with one-way subassembly, and one-way subassembly is connected with adsorption tank subassembly, and adsorption tank subassembly is connected with barometric pressure compensation subassembly.
Further, the blood pump assembly comprises an outer box body assembly, a piston assembly, a power mounting frame, a driving assembly, an execution motor and motor mounting screws, wherein the outer box body assembly is connected with the piston assembly, the execution motor is mounted on the power mounting frame, the power mounting frame is mounted on the outer box body assembly through the motor mounting screws, one end of the driving assembly is connected with the execution motor, and the other end of the driving assembly is connected with the piston assembly.
Further, the outer box combination includes end cover one, outer box, upper end frame, erection column, hand wheel bull stick, connecting gear one, rectangle opening one, positioning clip groove one, positioning clip pole one and positioning clip pole push spring one, end cover one fixed mounting is on outer box, and fixed mounting has the upper end frame on the outer box, and fixed mounting has the erection column on the upper end frame, rotates on the outer box and installs the hand wheel bull stick, and the one end fixed mounting of hand wheel bull stick has connecting gear one, and the other fixed mounting of hand wheel bull stick has the hand wheel, opens there are a plurality of positioning clip grooves one on the hand wheel, and slidable mounting has positioning clip pole one in the erection column to be provided with positioning clip pole push spring one between positioning clip pole one and the erection column, positioning clip pole one is connected with positioning clip groove one cooperation.
Further, a plurality of first positioning clamping grooves are circumferentially arranged on the hand wheel along the central axis of the hand wheel rotating rod.
Further, the piston combination includes piston cylinder body, seal end cover one, seal end cover two, communicating pipe one, piston connecting rod, piston slide, piston sealing ring and communicating pipe two, seal end cover one is installed to the one end seal of piston cylinder body, seal end cover two is installed to the other end seal of piston cylinder body, installs communicating pipe one on the seal end cover two, installs communicating pipe two on the piston cylinder body, sliding mounting has the piston slide in the piston cylinder body, the piston slide passes through piston sealing ring and piston cylinder body sealed sliding contact, piston slide fixed mounting is in the one end of piston connecting rod, the other end of piston connecting rod is installed on the drive combination, the piston connecting rod with rectangle opening one sliding fit, seal end cover one with outer box fixed connection.
Further, the drive combination includes drive frame, link one, link two, drive ring gear, planet wheel bull stick, planet wheel, turnover actuating lever, drive frame opening, drive slider, actuating post, rotation spacing ring, cooperation ring and mounting screw two, the one end fixed mounting of drive frame has link one, and the other end fixed mounting of drive frame has link two, and fixed mounting has the cooperation ring on the drive frame, and there is rotation spacing ring on the drive ring gear through mounting screw two fixed mounting, and cooperation ring and rotation spacing ring rotate spacingly, and the one end rotation of planet wheel bull stick is installed on link one, and the other end rotation of planet wheel bull stick is installed on the turnover actuating lever, and fixed mounting has the planet wheel on the turnover actuating lever, planet wheel and the meshing transmission of drive ring gear inner circle, and slidable mounting has the drive frame opening on the drive frame, and the inner slidable mounting of drive frame opening has the drive slider, and turnover actuating lever rotate the installation, and on the drive frame fixed mounting has the actuating post, actuating post and piston connecting rod fixed connection on the drive frame is in the outer box inner end, connection gear transmission and drive output shaft, the execution fixed connection with the planet wheel bull stick.
Further, the unidirectional assembly comprises a unidirectional outer sleeve, an inner end sleeve, an annular cavity, a unidirectional conical body I, a through hole II and a conical body pushing spring I, the inner end of the unidirectional outer sleeve is provided with the inner end sleeve, the annular cavity is formed between the inner end sleeve and the unidirectional outer sleeve, the unidirectional conical body I is slidably mounted at the inner end of the inner end sleeve, the conical body pushing spring I is arranged between the unidirectional conical body I and the inner end sleeve, the inner end sleeve is provided with a plurality of through holes I, the through holes I are communicated with the inner end sleeve and the annular cavity, the through holes I are formed in the unidirectional outer sleeve and are communicated with the inner end sleeve, and the unidirectional assembly is mounted on the communication pipe I and the communication pipe II.
Further, the one-way component connected with the first communicating pipe has one opening facing the adsorption tank component and the one-way component connected with the second communicating pipe has one opening facing downwards
Further, a plurality of through holes I are arranged in a circumferential array along the central axis of the inner end sleeve.
Further, the adsorption tank assembly comprises an adsorption tank body, an adsorption sealing end cover I, a communication pipe II, an adsorption sealing end cover II, a spherical frame, an adjusting wheel, a positioning clamping rod II, a positioning clamping rod pushing spring II, a communication hole A, a rotating communication ball, a liquid outlet pipe, a positioning clamping groove II, a first filter medium, a second filter medium and a third filter medium, wherein the adsorption sealing end cover I is arranged at one end of the adsorption tank body in a sealing manner, the adsorption sealing end cover II is arranged at the other end of the adsorption tank body in a sealing manner, the liquid outlet pipe is fixedly arranged on the adsorption sealing end cover II, the communication pipe II is fixedly arranged on the adsorption sealing end cover I, the communication pipe II is connected with a one-way outer sleeve, the spherical frame is arranged on the liquid outlet pipe, the rotating communication ball is rotatably arranged at the inner end of the spherical frame, the rotating communication ball is provided with the communication hole A, the adjusting wheel is fixedly arranged on the adjusting wheel, the positioning clamping rod II is arranged between the positioning clamping rod II and the adjusting wheel, the positioning clamping rod pushing spring II is arranged on the spherical frame, the positioning clamping rod II is fixedly connected with the positioning clamping rod II under the action of the elasticity of the positioning clamping rod II, and the first filter medium and the third filter medium are arranged at the inner ends of the adsorption tank.
Further, a plurality of second positioning clamping grooves are circumferentially arranged on the spherical frame along the central axis of the adjusting wheel.
Further, the air pressure compensation component comprises an air pressure connecting pipe, an excessive connecting frame, a first connecting pipe body, a second connecting pipe body, an air pressure compensation air bag, a sterile air tank, a filter plate, a filter hole, a second communicating cavity, a second inner end sleeve, a second inner end spring, a second inner end cone, a communicating hole B, a through hole B, a pull rod, a third inner end cone, a second communicating hole C, a third inner end sleeve, a third inner end spring, a third communicating cavity and a through hole C, wherein one end of the air pressure connecting pipe is fixedly arranged on the first adsorbing sealing end cover, the other end of the air pressure connecting pipe is fixedly arranged on the excessive connecting frame, the excessive connecting frame is fixedly provided with a first connecting pipe body and a second connecting pipe body, the second connecting pipe body is fixedly provided with an air pressure compensation air bag, the sterile air tank is arranged on the air pressure compensation air bag, the filter plate is internally provided with a plurality of filter holes, the second inner end sleeve is fixedly arranged in the connecting pipe body, the second inner communicating hole is internally provided with the second inner end sleeve, the second inner end sleeve is internally provided with the second inner end cone, the second inner end sleeve is internally provided with the third communicating hole, the second inner end sleeve is internally sliding sleeve, the second inner end sleeve and the second inner end cone is internally provided with the third communicating hole C, the second inner end sleeve is fixedly arranged between the second inner end sleeve and the second inner end cone, the second inner end sleeve is fixedly provided with the third inner end sleeve is internally provided with the third communicating hole B, the third inner end sleeve is fixedly arranged with a third inner end sleeve, and the third inner end sleeve is fixedly connected with a third connecting sleeve, and a third connecting sleeve is fixedly connected with the third inner sleeve, and a third connecting sleeve is fixedly provided with a connecting sleeve.
Further, two filter plates are arranged, and a bacterial filter medium is arranged between the two filter plates.
The invention has the advantages that:
1. the hand wheel is manually rotated, the hand wheel rotating rod is driven to rotate through the hand wheel, the first connecting gear is driven to rotate through the hand wheel rotating rod, and the first connecting gear is further used for driving the driving combination, so that the driving combination drives the piston combination to adjust the reciprocating blood drawing amplitude, and further, the purpose of preventing arterial end blood vessel blood flow deficiency caused by overlarge circulating pressure at the venous end or overlarge blood drawing speed at the arterial end is achieved; meanwhile, the first positioning clamping rod is connected with the first positioning clamping groove in a matched mode to position the hand wheel at the rotating position;
2. starting an execution motor, providing power for a driving combination through the execution motor, driving a piston connecting rod to reciprocate at the inner end of a piston cylinder body through the driving combination, and further enabling arterial blood or venous blood to enter through a communicating pipe II and flow to an adsorption tank assembly through the communicating pipe II so as to adsorb toxic substances in blood;
3. the actuating motor is started, the planetary wheel rotating rod is driven to rotate through the actuating motor, the turnover driving rod is driven to move through the planetary wheel rotating rod, the planetary wheel is driven to do turnover movement around the inner ring of the driving gear ring through the turnover driving rod, the planetary wheel rotates and drives the turnover driving rod to do turnover movement, the driving sliding block is driven through the turnover driving rod, the driving frame is driven to do reciprocating movement on the second connecting frame through sliding fit of the driving sliding block and the driving frame opening, and the piston connecting rod is driven to do reciprocating movement through the driving column; meanwhile, the first connecting gear rotates and drives the driving gear ring to move, and then the movement amplitude of the driving sliding block in the opening of the driving frame is changed through the meshing transmission between the driving gear ring and the planet gears, so that the movement amplitude of the driving frame is changed, the reciprocating blood drawing amplitude of the piston sliding plate and the piston sealing ring is adjusted, and further the situation that the blood flow of the arterial end is insufficient due to the fact that the circulation pressure at the venous end is overlarge or the blood drawing speed at the arterial end is too high is prevented;
4. the unidirectional component on the first communicating pipe is connected with the adsorption tank component, so that the unidirectional flow of blood from the blood input end to the adsorption tank component is realized through the unidirectional component under the combined action of the driving combination and the piston combination, and the unidirectional working principle of the unidirectional component is known;
5. the blood flows into the adsorption tank body through the communicating pipe, the toxic substances in the blood are filtered through the first filter medium, the second filter medium and the third filter medium, the filtered blood flows into the blood vessel through the liquid outlet pipe, and the liquid outlet pipe is connected with the input end of the blood; meanwhile, the regulating wheel is manually rotated, the rotating communication ball is driven to rotate by the regulating wheel, and then the opening of the communication hole A is regulated by rotating the communication ball, so that the flow speed of blood is controlled, and the too fast flow speed of the blood which flows into a blood vessel to finish filtration is prevented;
6. when the pressure of the blood entering the blood vessel through the liquid outlet pipe is too small, the air pressure compensation air bag is pinched, so that the sterile gas in the sterile air tank flows into the second communicating chamber through the air pressure compensation air bag, passes through the communicating hole B and the through hole B, and enters the adsorption tank body through the excessive connecting frame and the air pressure connecting pipe to carry out air pressure compensation, thereby being convenient for preventing the pressure of the blood entering the blood vessel from being too small; simultaneously, in order to prevent to take place the hemolysis phenomenon because the pressure in the adsorption tank body is too big, the pulling rod is pulled to the outside, is driving the three motions of inner cone through the pulling rod for the high-pressure gas in the adsorption tank body flows through intercommunicating pore C and through-hole C through atmospheric pressure connecting pipe and excessive connection frame, accomplishes the pressure release to the high pressure in the adsorption tank body through the intercommunication cavity three, prevents to take place the hemolysis phenomenon.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic view of the section line location of FIG. 1;
FIG. 3 is a cross-sectional view taken along section A-A of FIG. 2;
FIG. 4 is a schematic view of the blood pump assembly of the present invention;
FIG. 5 is a schematic view of the section line location of FIG. 4;
FIG. 6 is a cross-sectional view taken along section E-E of FIG. 5;
FIG. 7 is a cross-sectional view taken along section K-K of FIG. 5;
FIG. 8 is a schematic diagram of an outer case assembly structure according to the present invention;
FIG. 9 is a schematic diagram of an outer case assembly structure of the present invention;
FIG. 10 is a schematic view of the cut line location of FIG. 9;
FIG. 11 is a cross-sectional view taken along section J-J of FIG. 10;
FIG. 12 is an enlarged partial view A of FIG. 12;
FIG. 13 is a schematic view of a driving assembly structure according to the present invention;
FIG. 14 is a schematic view of a section line position of a drive assembly;
FIG. 15 is a cross-sectional view taken along section C-C of FIG. 14;
fig. 16 is a partial enlarged view B of fig. 15;
FIG. 17 is a schematic view of a driving frame structure according to the present invention;
FIG. 18 is a schematic view of a driving ring gear according to the present invention;
FIG. 19 is a schematic view of a unidirectional assembly of the present invention;
FIG. 20 is a schematic view of the section line location of FIG. 19;
FIG. 21 is a cross-sectional view taken along section G-G of FIG. 20;
FIG. 22 is a schematic view of a canister assembly according to the invention;
FIG. 23 is a schematic view of the cut line location of FIG. 22;
FIG. 24 is a cross-sectional view taken along section H-H of FIG. 23;
FIG. 25 is a schematic view of a second embodiment of an adsorption seal cap according to the present invention;
FIG. 26 is a schematic diagram of a pneumatic compensation assembly according to the present invention;
FIG. 27 is a schematic view of the cut line location of FIG. 26;
FIG. 28 is a cross-sectional view taken along section I-I of FIG. 27;
the figure indicates:
a blood pump assembly 1; the outer box body combination is 1-1; 1-1 to 1 of an end cover I; 1-1-2 parts of an outer box body; the upper end frame is 1-1-3; mounting columns 1-1-4; 1-1-5 parts of a hand wheel; 1-1-6 parts of a hand wheel rotating rod; 1-1-7 of connecting gear I; rectangular openings 1-1-8; positioning clamping grooves 1-1-9; 1-1-10 of a positioning clamping rod; 1-1-11 parts of a positioning clamping rod pushing spring; 1-2 of piston combinations; a piston cylinder 1-2-1; 1-2-2 parts of a sealing end cover; 1-2-3 of a second sealing end cover; 1-2-4 communicating pipes; 1-2-5 of piston connecting rods; 1-2-6 parts of piston slide plates; piston seal rings 1-2-7; 1-2-8 of communicating pipes II; a power mounting frame 1-3; driving combination 1-4; a driving frame 1-4-1; 1-4-2 of a connecting frame; 1-4-3 of a second connecting frame; driving the gear rings 1-4-4; 1-4-5 parts of planet wheel rotating rod; 1-4-6 parts of planet gears; 1-4-7 of turnover driving rods; 1-4-8 of driving frame; driving frame openings 1-4-9; 1-4-10 of driving slide blocks; driving columns 1-4-11; 1-4-12 of rotating limiting rings; 1-4-13 of mating ring; mounting screws II 1-4-14; executing motors 1-5; 1-6 of motor mounting screws; a unidirectional component 2; a one-way outer sleeve 2-1; an inner end sleeve 2-2; an annular chamber 2-3; 2-4 of one-way cone; 2-5 of through holes; 2-6 of through holes II; 2-7 of a conical body pushing spring; a canister assembly 3; an adsorption tank 3-1; 3-2 of adsorption sealing end cover; 3-3 of communicating pipes; 3-4 of an adsorption sealing end cover II; 3-5 parts of spherical frame; 3-6 of adjusting wheels; 3-7 of a positioning clamping rod II; 3-8 of a positioning clamping rod pushing spring II; communication holes A3-9; 3-10 of rotary communication balls; 3-11 parts of liquid outlet pipes; positioning clamping grooves II 3-12; filter medium one 3-13; filter medium II 3-14; 3-15 parts of filter media; a barometric pressure compensation assembly 4; a pneumatic connecting pipe 4-1; a transition connection frame 4-2; connecting the first pipe body 4-3; connecting the second pipe body 4-4; an air pressure compensation air bag 4-5; 4-6 parts of a sterile gas tank; 4-7 parts of filter plates; 4-8 of filter holes; the second communicating chamber is 4-9; the second inner end sleeve is 4-10; the second spring at the inner end is 4-11; inner end cone II 4-12; communication holes B4-13; through holes B4-14; 4-15 of pull rod; inner end cone III 4-16; communication holes C4-17; inner end sleeve three 4-18; inner end springs III 4-19; the third communicating chamber is 4-20; and through holes C4-21.
Detailed Description
The following description of the embodiments of the present invention will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the invention are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Example 1
As shown in fig. 1-3, the novel anti-pollution blood perfusion device comprises an adsorption tank assembly 3, a blood pump assembly 1, a unidirectional assembly 2 and an air pressure compensation assembly 4, wherein the blood pump assembly 1 is connected with the unidirectional assembly 2, the unidirectional assembly 2 is connected with the adsorption tank assembly 3, and the adsorption tank assembly 3 is connected with the air pressure compensation assembly 4.
Example 2
As shown in fig. 4-8, the blood pump assembly 1 comprises an outer box assembly 1-1, a piston assembly 1-2, a power mounting frame 1-3, a driving assembly 1-4, an execution motor 1-5 and a motor mounting screw 1-6, wherein the outer box assembly 1-1 is connected with the piston assembly 1-2, the execution motor 1-5 is mounted on the power mounting frame 1-3, the power mounting frame 1-3 is mounted on the outer box assembly 1-1 through the motor mounting screw 1-6, one end of the driving assembly 1-4 is connected with the execution motor 1-5, and the other end of the driving assembly 1-4 is connected with the piston assembly 1-2.
Example 3
As shown in fig. 9-13, the outer box combination 1-1 comprises an end cover 1-1-1, an outer box 1-1-2, an upper end frame 1-1-3, a mounting column 1-1-4, a hand wheel 1-1-5, a hand wheel rotating rod 1-1-6, a connecting gear 1-1-7, a rectangular opening 1-1-8, a positioning clamping groove 1-1-9, a positioning clamping rod 1-1-10 and a positioning clamping rod pushing spring 1-1-11, wherein the end cover 1-1-1 is fixedly arranged on the outer box 1-1-2, the upper end frame 1-1-3 is fixedly arranged on the outer box 1-1-2, the mounting column 1-1-4 is fixedly arranged on the upper end frame 1-1-3, the hand wheel rotating rod 1-1-6 is rotatably arranged on the outer box 1-1-2, one end of the hand wheel rotating rod 1-1-6 is fixedly provided with the connecting gear 1-1-7, the other end of the hand wheel 1-1-1-6 is fixedly provided with the positioning clamping spring 1-11, the other end of the hand wheel 1-1-1-1 and the positioning clamping rod 1-10 are fixedly arranged on the positioning clamping rod 1-1-2, a plurality of positioning clamping rods 1-1-1-10 are fixedly arranged on the positioning clamping rod 1-1-1-2, a plurality of positioning clamping rods 1-1-1-4 are fixedly arranged on the positioning clamping rod 1-1-1-2, a plurality of positioning clamping rods 1-1-10 are fixedly arranged on the positioning clamping rod 1-1-1-2, a plurality of positioning clamping rod 1-1 is fixedly arranged between the positioning rod 1-1-1 and 1-10, the arrangement is that the hand wheel 1-1-5 is manually rotated, the hand wheel rotating rod 1-1-6 is driven to rotate by the hand wheel 1-1-5, the connecting gear 1-1-7 is driven to rotate by the hand wheel rotating rod 1-1-6, the driving combination 1-4 is driven by the connecting gear 1-1-7, the driving combination 1-4 drives the piston combination 1-2 to adjust the reciprocating blood drawing amplitude, and the purpose of preventing insufficient blood flow of blood vessels at the arterial end caused by overlarge circulating pressure at the venous end or overlarge blood drawing speed at the arterial end is realized; meanwhile, the first locating clamping rod 1-1-10 is matched and connected with the first locating clamping groove 1-1-9 to locate the hand wheel 1-1-5 at the rotating position.
The positioning clamping grooves 1-1-9 are circumferentially arranged on the hand wheel 1-1-5 along the central axis of the hand wheel rotating rod 1-1-6.
Example 4
As shown in fig. 4-8, the piston assembly 1-2 comprises a piston cylinder body 1-2-1, a first sealing end cover 1-2-2, a second sealing end cover 1-2-3, a first communicating pipe 1-2-4, a piston connecting rod 1-2-5, a piston slide plate 1-2-6, a piston sealing ring 1-2-7 and a second communicating pipe 1-2-8, wherein one end of the piston cylinder body 1-2-1 is provided with the first sealing end cover 1-2 in a sealing way, the other end of the piston cylinder body 1-2-1 is provided with the second sealing end cover 1-2-3 in a sealing way, the second sealing end cover 1-2-3 is provided with the first communicating pipe 1-2-4, the second communicating pipe 1-2-8 is provided with the second sealing end cover 1-2-1, the piston cylinder body 1-2-1 is slidably provided with a piston slide plate 1-2-6, the piston slide plate 1-2-6 is in sealing sliding contact with the piston cylinder body 1-2-1 through a piston seal ring 1-2-7, the piston slide plate 1-2-6 is fixedly arranged at one end of a piston connecting rod 1-2-5, the other end of the piston connecting rod 1-2-5 is arranged on a driving combination 1-4, the piston connecting rod 1-2-5 is in sliding fit with the rectangular opening I1-1-8, a seal end cover I1-2-2 is fixedly connected with the outer box body 1-1-2, the arrangement is such that an executing motor 1-5 is started, the motor 1-5 is used for providing power for the driving combination 1-4, the driving combination 1-4 is used for driving the piston connecting rod 1-2-5 to reciprocate at the inner end of the piston cylinder body 1-2-1 along with the piston sliding plate 1-2-6, so that arterial blood or venous blood enters through the communicating pipe two 1-2-8 and flows to the adsorption tank assembly 3 through the communicating pipe one 1-2-4, and the adsorption of toxic substances in the blood is completed.
Example 5
As shown in fig. 14-18, the driving assembly 1-4 comprises a driving frame 1-4-1, a first connecting frame 1-4-2, a second connecting frame 1-4-3, a driving gear ring 1-4-4, a planet wheel rotating rod 1-4-5, a planet wheel 1-4-6, a turnover driving rod 1-4-7, a driving frame 1-4-8, a driving frame opening 1-4-9, a driving sliding block 1-4-10, a driving column 1-4-11, a rotation limiting ring 1-4-12, a matching ring 1-4-13 and a second mounting screw 1-4-14, wherein one end of the driving frame 1-4-1 is fixedly provided with the first connecting frame 1-4-2, the other end of the driving frame 1-4-1 is fixedly provided with a connecting frame II 1-4-3, the driving frame 1-4-1 is fixedly provided with a matching ring 1-4-13, the driving gear ring 1-4-4 is fixedly provided with a rotation limiting ring 1-4-12 through a mounting screw II 1-4-14, the matching ring 1-4-13 and the rotation limiting ring 1-4-12 are in rotation limiting, one end of a planet wheel rotating rod 1-4-5 is rotatably arranged on the connecting frame I1-4-2, the other end of the planet wheel rotating rod 1-4-5 is rotatably arranged on a turnover driving rod 1-4-7, the turnover driving rod 1-4-7 is fixedly provided with a planet wheel 1-4-6, the planet wheel 1-4-6 is meshed with the inner ring of the driving gear ring 1-4-4 for transmission, the second connecting frame 1-4-3 is provided with the driving frame 1-4-8 in a sliding way, the driving frame 1-4-8 is provided with the driving frame opening 1-4-9, the inner end of the driving frame opening 1-4-9 is provided with the driving slide block 1-4-10 in a sliding way, the driving slide block 1-4-10 is rotatably arranged with the turnover driving rod 1-4-7, the driving frame 1-4-8 is fixedly provided with the driving column 1-4-11, the driving column 1-4-11 is fixedly connected with the piston connecting rod 1-2-5, the driving frame 1-4-1 is fixedly arranged at the inner end of the outer box body 1-1-2, the connecting gear I1-1-7 is meshed with the outer ring of the driving gear ring 1-4-4 for transmission, the output shaft of the executing motor 1-5 is fixedly connected with the planet wheel rotating rod 1-4-5, thus, the executing motor 1-5 is started, the executing motor 1-5 drives the planet wheel rotating rod 1-4-5 to rotate, the planet wheel rotating rod 1-4-5 drives the turnover driving rod 1-4-7 to move, the planet wheel 1-4-6 is driven by the turnover driving rod 1-4-7 to rotate around the inner ring of the driving gear ring 1-4-4, the planet wheel 1-4-6 rotates and drives the turnover driving rod 1-4-7 to do turnover motion, the driving slide block 1-4-10 is driven by the turnover driving rod 1-4-7, the driving frame 1-4-8 is driven to reciprocate on the connecting frame two 1-4-3 by the sliding fit of the driving slide block 1-4-10 and the driving frame opening 1-4-9, and the piston connecting rod 1-2-5 is driven to reciprocate by the driving column 1-4-11; meanwhile, the connecting gear 1-1-7 rotates and drives the driving gear ring 1-4-4 to move, and then through the meshing transmission between the driving gear ring 1-4-4 and the planet gears 1-4-6, the movement amplitude of the driving sliding block 1-4-10 in the opening 1-4-9 of the driving frame is changed through the turnover driving rod 1-4-7, so that the movement amplitude of the driving frame 1-4-8 is changed, the reciprocating blood drawing amplitude of the piston sliding plate 1-2-6 and the piston sealing ring 1-2-7 is adjusted, and further, the purpose of preventing arterial end blood vessel blood flow shortage caused by overlarge circulation pressure at the venous end or overlarge blood drawing speed at the arterial end is achieved.
Example 6
As shown in fig. 19-21, the unidirectional assembly 2 comprises a unidirectional outer sleeve 2-1, an inner end sleeve 2-2, an annular chamber 2-3, a unidirectional cone body 1-4, a through hole 1-5, a through hole 2-6 and a cone body pushing spring 1-2-7, wherein the inner end of the unidirectional outer sleeve 2-1 is provided with the inner end sleeve 2-2, the annular chamber 2-3 is arranged between the inner end sleeve 2-2 and the unidirectional outer sleeve 2-1, the unidirectional cone body 1-4 is slidingly arranged at the inner end of the inner end sleeve 2-2, the cone body pushing spring 1 2-7 is arranged between the unidirectional cone body 1-4 and the inner end sleeve 2-2, the inner end sleeve 2-2 is provided with a plurality of through holes 1-5, the first through hole 2-5 is communicated with the inner end sleeve 2-2 and the annular chamber 2-3, the first through hole 2-5 is arranged on the unidirectional outer sleeve 2-1 and is communicated with the inner end sleeve 2-2, the unidirectional component 2 is arranged on the first communicating pipe 1-2-4 and the second communicating pipe 1-2-8, the unidirectional component 2 on the second communicating pipe 1-2-8 is connected with the input end of blood, the unidirectional component 2 on the first communicating pipe 1-2-4 is connected with the adsorption tank component 3, and then the unidirectional flow of blood from the input end of blood to the adsorption tank component 3 is realized through the unidirectional component 2 under the combined action of the driving combination 1-4 and the piston combination 1-2, and the unidirectional working principle of the unidirectional component 2 is known.
Wherein the opening of the first through hole 2-5 in the unidirectional component 2 connected with the first communicating pipe 1-2-4 faces to the adsorption tank component 3, and the opening of the first through hole 2-5 in the unidirectional component 2 connected with the second communicating pipe 1-2-8 faces downwards
Wherein, a plurality of through holes 2-5 are arranged along the central axis circumference array of the inner end sleeve 2-2.
Example 7
22-25 shows, the adsorption tank assembly 3 comprises an adsorption tank body 3-1, an adsorption sealing end cover I3-2, a communicating pipe II 3-3, an adsorption sealing end cover II 3-4, a spherical frame 3-5, an adjusting wheel 3-6, a positioning clamping rod II 3-7, a positioning clamping rod pushing spring II 3-8, a communicating hole A3-9, a rotating communicating ball 3-10, a liquid outlet pipe 3-11, a positioning clamping groove II 3-12, a filter medium I3-13, a filter medium II 3-14 and a filter medium III 3-15, wherein one end of the adsorption tank body 3-1 is provided with the adsorption sealing end cover I3-2 in a sealing way, the other end of the adsorption tank body 3-1 is provided with the adsorption sealing end cover II 3-4 in a sealing way, a liquid outlet pipe 3-11 is fixedly arranged on the second adsorption sealing end cover 3-4, a communicating pipe 3-3 is fixedly arranged on the first adsorption sealing end cover 3-2, the communicating pipe 3-3 is connected with a one-way outer sleeve 2-1, a spherical frame 3-5 is arranged on the liquid outlet pipe 3-11, a rotary communicating ball 3-10 is rotatably arranged at the inner end of the spherical frame 3-5, a communicating hole A3-9 is arranged on the rotary communicating ball 3-10, an adjusting wheel 3-6 is fixedly arranged on the rotary communicating ball 3-10, a positioning clamping rod 3-7 is slidably arranged on the adjusting wheel 3-6, a positioning clamping rod pushing spring 3-8 is arranged between the positioning clamping rod 3-7 and the adjusting wheel 3-6, a plurality of positioning clamping grooves 3-12 are arranged on the spherical frame 3-5, the second positioning clamping rod 3-7 is connected with the second positioning clamping rod 3-7 in a matched manner under the action of the elastic force of the second positioning clamping rod 3-7, the inner end of the adsorption tank body 3-1 is provided with a first filter medium 3-13, a second filter medium 3-14 and a third filter medium 3-15, so that blood flows into the adsorption tank body 3-1 through the second communicating pipe 3-3, flows through the first filter medium 3-13, the second filter medium 3-14 and the third filter medium 3-15 to realize the filtration of toxic substances in the blood, the filtered blood flows into a blood vessel through the liquid outlet pipe 3-11, and the liquid outlet pipe 3-11 is connected with the input end of the blood; meanwhile, the adjusting wheel 3-6 is manually rotated, the rotating communication ball 3-10 is driven to rotate by the adjusting wheel 3-6, and then the opening of the communication hole A3-9 is adjusted by the rotating communication ball 3-10, so that the flow velocity of blood is controlled, and the blood flowing into a blood vessel to finish filtration is prevented from being too fast.
The positioning clamping grooves II 3-12 are arranged on the spherical frame 3-5 along the circumferential array of the central axis of the adjusting wheel 3-6.
Example 8
As shown in fig. 26-28, the air pressure compensating assembly 4 comprises an air pressure connecting pipe 4-1, an excessive connecting frame 4-2, a connecting pipe body one 4-3, a connecting pipe body two 4-4, an air pressure compensating air bag 4-5, a sterile air tank 4-6, a filter plate 4-7, a filter hole 4-8, a communicating cavity two 4-9, an inner end sleeve two 4-10, an inner end spring two 4-11, an inner end cone two 4-12, a communicating hole B4-13, a through hole B4-14, a pull rod 4-15, an inner end cone three 4-16, a communicating hole C4-17, an inner end sleeve three 4-18, an inner end spring three 4-19, a communicating cavity three 4-20 and a through hole C4-21, one end of the air pressure connecting pipe 4-1 is fixedly arranged on the adsorption sealing end cover one 3-2, the other end of the air pressure connecting pipe 4-1 is fixedly arranged on the excessive connecting frame 4-2, the excessive connecting frame 4-2 is simultaneously and fixedly provided with a first connecting pipe body 4-3 and a second connecting pipe body 4-4, the second connecting pipe body 4-4 is fixedly provided with an air pressure compensating air bag 4-5, the air pressure compensating air bag 4-5 is provided with a sterile air tank 4-6, the inner end of the air pressure compensating air bag 4-5 is provided with a filter plate 4-7, the filter plate 4-7 is provided with a plurality of filter holes 4-8, the first connecting pipe body 4-3 is internally and fixedly provided with a second inner end sleeve 4-10, a communicating cavity chamber 4-9 is arranged between the second inner end sleeve 4-10 and the first connecting pipe body 4-3, the second inner end sleeve 4-10 is internally and slidably provided with a second inner end cone 4-12, an inner end spring II 4-11 is arranged between the inner end sleeve II 4-10 and the inner end cone II 4-12, a plurality of through holes B4-14 are formed in the inner end sleeve II 4-10, a communication hole B4-13 is formed in the connecting pipe body II 4-4, an inner end sleeve III 4-18 is fixedly arranged at the inner end of the connecting pipe body I4-3, an inner end cone III 4-16 is slidably arranged at the inner end of the inner end sleeve III 4-18, the inner end cone III 4-16 is fixedly connected with a pull rod 4-15, the pull rod 4-15 is slidably connected with the inner end sleeve III 4-18, an inner end spring III 4-19 is arranged between the inner end cone III 4-16 and the inner end sleeve III 4-18, a plurality of through holes C4-21 are formed in the inner end spring III 4-19, a communication hole C4-17 is formed in the connecting pipe body I4-3, and a communication hole C4-17 is formed in the connecting pipe I4-3, when the pressure of blood entering a blood vessel through a liquid outlet pipe 3-11 is too small, a pneumatic compensation air bag 4-5 is pinched, so that sterile air in a sterile air tank 4-6 enters a pressure compensation cavity through the B4-5 and a small pneumatic compensation cavity through the B4-13 and a small pressure compensation cavity through the B4-14 and is prevented from entering the pressure compensation cavity 1 through the small air pressure compensation cavity B4-14, and is prevented from entering the communication cavity 1 through the small pressure compensation cavity 1-4-3 and being connected through the small pressure compensation cavity; meanwhile, in order to prevent the hemolysis phenomenon caused by the overlarge pressure in the adsorption tank body 3-1, the pull rod 4-15 is pulled outwards, the pull rod 4-15 drives the inner end cone three 4-16 to move, so that high-pressure gas in the adsorption tank body 3-1 flows through the communication hole C4-17 and the through hole C4-21 through the air pressure connecting pipe 4-1 and the excessive connecting frame 4-2, and the pressure relief of the high pressure in the adsorption tank body 3-1 is completed through the communication cavity three 4-20, thereby preventing the hemolysis phenomenon.
Wherein two filter plates 4-7 are arranged, and a bacterial filter medium is arranged between the two filter plates 4-7.
It will be understood that the invention has been described in terms of several embodiments, and that various changes and equivalents may be made to these features and embodiments by those skilled in the art without departing from the spirit and scope of the invention. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the invention without departing from the essential scope thereof. Therefore, it is intended that the invention not be limited to the particular embodiment disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.

Claims (6)

1. The utility model provides a novel anti-pollution blood perfusion device, includes adsorption tank subassembly (3), its characterized in that still includes blood pump subassembly (1), one-way subassembly (2) and barometric pressure compensation subassembly (4), blood pump subassembly (1) are connected with one-way subassembly (2), and one-way subassembly (2) are connected with adsorption tank subassembly (3), and adsorption tank subassembly (3) are connected with barometric pressure compensation subassembly (4).
2. The novel anti-pollution blood perfusion device according to claim 1, wherein the blood pump assembly (1) comprises an outer box body assembly (1-1), a piston assembly (1-2), a power mounting frame (1-3), a driving assembly (1-4), an execution motor (1-5) and motor mounting screws (1-6), the outer box body assembly (1-1) is connected with the piston assembly (1-2), the execution motor (1-5) is mounted on the power mounting frame (1-3), the power mounting frame (1-3) is mounted on the outer box body assembly (1-1) through the motor mounting screws (1-6), one end of the driving assembly (1-4) is connected with the execution motor (1-5), and the other end of the driving assembly (1-4) is connected with the piston assembly (1-2).
3. The novel anti-pollution blood perfusion device according to claim 2, wherein the unidirectional component (2) comprises a unidirectional outer sleeve (2-1), an inner end sleeve (2-2), an annular chamber (2-3), a unidirectional cone first (2-4), a through hole first (2-5), a through hole second (2-6) and a cone push spring first (2-7), the inner end of the unidirectional outer sleeve (2-1) is provided with the inner end sleeve (2-2), the annular chamber (2-3) is arranged between the inner end sleeve (2-2) and the unidirectional outer sleeve (2-1), the unidirectional cone first (2-4) is arranged at the inner end of the inner end sleeve (2-2) in a sliding manner, the conical push spring first (2-7) is arranged between the unidirectional cone first (2-4) and the inner end sleeve (2-2), the inner end sleeve (2-2) is provided with a plurality of through holes first (2-5), the through hole first (2-5) is communicated with the inner end sleeve (2-3), the through hole first (2-5) is arranged at the inner end sleeve (2-2) and is communicated with the unidirectional sleeve (2-2), the communicating pipes I (1-2-4) and II (1-2-8) are provided with unidirectional components (2).
4. A novel anti-contamination hemodiafiltration device according to claim 3, wherein a plurality of said through holes (2-5) are arranged in a circumferential array along the central axis of the inner end sleeve (2-2).
5. The novel anti-pollution blood perfusion device according to claim 3, wherein the adsorption tank assembly (3) comprises an adsorption tank body (3-1), an adsorption sealing end cover I (3-2), a communication pipe II (3-3), an adsorption sealing end cover II (3-4), a spherical frame (3-5), an adjusting wheel (3-6), a positioning clamping rod II (3-7), a positioning clamping rod pushing spring II (3-8), a communication hole A (3-9), a rotating communication ball (3-10), a liquid outlet pipe (3-11), a positioning clamping groove II (3-12), a filter medium I (3-13), a filter medium II (3-14) and a filter medium III (3-15), one end of the adsorption tank body (3-1) is provided with the adsorption sealing end cover I (3-2), the other end of the adsorption tank body (3-1) is provided with the adsorption sealing end cover II (3-4), the liquid outlet pipe (3-11) is fixedly arranged on the adsorption sealing end cover II (3-4), the adsorption sealing end cover I (3-2) is fixedly arranged on the adsorption sealing end cover II (3-2) and is connected with the communication pipe II (3-1), the liquid outlet pipe (3-11) is provided with a spherical frame (3-5), the inner end of the spherical frame (3-5) is rotatably provided with a rotary communication ball (3-10), the rotary communication ball (3-10) is provided with a communication hole A (3-9), the rotary communication ball (3-10) is fixedly provided with an adjusting wheel (3-6), the adjusting wheel (3-6) is slidably provided with a positioning clamping rod II (3-7), a positioning clamping rod pushing spring II (3-8) is arranged between the positioning clamping rod II (3-7) and the adjusting wheel (3-6), the spherical frame (3-5) is provided with a plurality of positioning clamping grooves II (3-12), the positioning clamping rod II (3-7) is connected with the positioning clamping rod II (3-7) in a matched mode under the action of elastic force of the positioning clamping rod II (3-7), and the inner end of the adsorption tank body (3-1) is provided with a filter medium I (3-13), a filter medium II (3-14) and a filter medium III (3-15).
6. The novel anti-pollution blood perfusion apparatus according to claim 5, wherein the air pressure compensation component (4) comprises an air pressure connecting tube (4-1), an excessive connecting frame (4-2), a first connecting tube body (4-3), a second connecting tube body (4-4), an air pressure compensation air bag (4-5), a sterile air tank (4-6), a filter plate (4-7), a filter hole (4-8), a second connecting chamber (4-9), a second inner end sleeve (4-10), a second inner end spring (4-11), a second inner end cone (4-12), a communicating hole B (4-13), a through hole B (4-14), a pull rod (4-15), a third inner end cone (4-16), a communicating hole C (4-17), a third inner end sleeve (4-18), a third inner end spring (4-19), a third connecting chamber (4-20) and a through hole C (4-21), one end of the air pressure connecting tube (4-1) is fixedly mounted on the first adsorption sealing end cover (3-2), the other end of the air pressure connecting tube (4-1) is fixedly mounted on the excessive connecting frame (4-2), the transition connecting frame (4-2) is fixedly provided with a first connecting pipe body (4-3) and a second connecting pipe body (4-4) at the same time, the second connecting pipe body (4-4) is fixedly provided with an air pressure compensation air bag (4-5), the air pressure compensation air bag (4-5) is provided with a sterile air tank (4-6), the inner end of the air pressure compensation air bag (4-5) is provided with a filter plate (4-7), the filter plate (4-7) is provided with a plurality of filter holes (4-8), the first connecting pipe body (4-3) is internally and fixedly provided with a second inner end sleeve (4-10), a second connecting cavity (4-9) is arranged between the second inner end sleeve (4-10) and the first connecting pipe body (4-3), an inner end cone (4-12) is slidably arranged in the second inner end sleeve (4-10), an inner end spring (4-11) is arranged between the second inner end sleeve (4-10), the second inner end sleeve (4-10) is provided with a plurality of through holes B (4-14), the second connecting pipe (4-4) is fixedly provided with a third connecting pipe (4-13) on the second connecting pipe body (4-4), the inner end of the inner end sleeve III (4-18) is slidably provided with an inner end cone III (4-16), the inner end cone III (4-16) is fixedly connected with a pull rod (4-15), the pull rod (4-15) is slidably connected with the inner end sleeve III (4-18), an inner end spring III (4-19) is arranged between the inner end cone III (4-16) and the inner end sleeve III (4-18), a plurality of through holes C (4-21) are formed in the inner end spring III (4-19), and a communication hole C (4-17) is formed in the connecting pipe body I (4-3).
CN202310650421.8A 2023-06-03 2023-06-03 Novel anti-pollution blood perfusion device Pending CN116440346A (en)

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Application Number Priority Date Filing Date Title
CN202310650421.8A CN116440346A (en) 2023-06-03 2023-06-03 Novel anti-pollution blood perfusion device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202310650421.8A CN116440346A (en) 2023-06-03 2023-06-03 Novel anti-pollution blood perfusion device

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CN116440346A true CN116440346A (en) 2023-07-18

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117281729A (en) * 2023-11-24 2023-12-26 临沂康利医疗器械有限公司 Liquid wound dressing storage device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117281729A (en) * 2023-11-24 2023-12-26 临沂康利医疗器械有限公司 Liquid wound dressing storage device
CN117281729B (en) * 2023-11-24 2024-01-30 临沂康利医疗器械有限公司 Liquid wound dressing storage device

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