CN112807506A - Continuous blood purification equipment with replacement liquid purification function - Google Patents
Continuous blood purification equipment with replacement liquid purification function Download PDFInfo
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- CN112807506A CN112807506A CN202110120062.6A CN202110120062A CN112807506A CN 112807506 A CN112807506 A CN 112807506A CN 202110120062 A CN202110120062 A CN 202110120062A CN 112807506 A CN112807506 A CN 112807506A
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES 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
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/36—Other treatment of blood in a by-pass of the natural circulatory system, e.g. temperature adaptation, irradiation ; Extra-corporeal blood circuits
- A61M1/3621—Extra-corporeal blood circuits
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES 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
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/36—Other treatment of blood in a by-pass of the natural circulatory system, e.g. temperature adaptation, irradiation ; Extra-corporeal blood circuits
- A61M1/3621—Extra-corporeal blood circuits
- A61M1/3627—Degassing devices; Buffer reservoirs; Drip chambers; Blood filters
- A61M1/3633—Blood component filters, e.g. leukocyte filters
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES 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
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/36—Other treatment of blood in a by-pass of the natural circulatory system, e.g. temperature adaptation, irradiation ; Extra-corporeal blood circuits
- A61M1/3672—Means preventing coagulation
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES 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
- A61M2202/00—Special media to be introduced, removed or treated
- A61M2202/04—Liquids
- A61M2202/0413—Blood
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- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
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- Veterinary Medicine (AREA)
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Abstract
The invention discloses continuous blood purification equipment with a replacement liquid purification function, which comprises a base, a blood drawing purification mechanism, a blood transfusion replacement mechanism and a supporting mechanism. The base is a mounting platform of the blood drawing and purifying mechanism, the blood transfusion replacing mechanism and the supporting mechanism. The blood drawing purification mechanism can filter blood and remove impurities in the blood, the blood transfusion replacement mechanism can meet two input ways of replacement liquid, front replacement or back replacement can be selected according to actual needs and the filtered blood can be output, the supporting mechanism can support blood drawing and blood transfusion pipelines, the stability is guaranteed, anticoagulant can be added before blood filtration, the possibility of blood coagulation is reduced, the blood drawing purification mechanism can adapt to the two replacement liquid input ways, the replacement liquid output way can be automatically switched according to actual needs, the structure is simple, the operation is convenient, and manpower and material resources are greatly reduced.
Description
Technical Field
The invention relates to the technical field of blood purification devices, in particular to continuous blood purification equipment with a replacement liquid purification function.
Background
CRRT (continuous renal replacement therapy), also known as bedside hemofiltration. Defined as a replacement of impaired renal function by a prolonged, continuous extracorporeal blood purification therapy at or near 24 hours per day. The blood purification is to introduce the blood of a patient to the outside of the body and to remove some pathogenic substances in the blood by a purification device so as to purify the blood for the purpose of treating diseases. It mainly comprises hemodialysis, hemofiltration, hemodiafiltration, hemoperfusion, plasmapheresis, immunoadsorption, peritoneal dialysis, etc. However, the currently known CRRT machine still has the following defects: the existing CRRT machine can only meet one replacement way generally, and when the replacement ways adaptable to different patients are different, the replacement way is troublesome and needs to consume excessive manpower and material resources. And the existing machine has a complex structure and is complex to operate.
Disclosure of Invention
In order to solve the technical problems, the invention provides continuous blood purification equipment with a replacement liquid purification function, which comprises a base, a blood drawing purification mechanism, a blood transfusion replacement mechanism and a supporting mechanism.
The base is a mounting platform of the blood drawing and purifying mechanism, the blood transfusion replacing mechanism and the supporting mechanism.
The blood drawing and purifying mechanism comprises: the blood drawing assembly comprises a first liquid drawing assembly, a connecting rotating rod fixing rod, a connecting rotating gear, a connecting rotating rod, a front replacement blood drawing rotating gear, a blood drawing pipeline sliding block, a rear replacement blood drawing rotating gear, a second liquid drawing assembly, a front replacement blood drawing pipeline, a rear replacement blood drawing pipeline, a first screw rod, a waste liquid collecting box cylinder, a third liquid drawing assembly, a first replacement liquid pipeline, a waste liquid collecting box, a waste liquid circulating pipeline, a blood filtering box screw rod, a driven conical gear, a driving conical gear, a first driving motor, a first motor fixing rod, a first anticoagulant inflow pipe and a second anticoagulant inflow pipe, wherein the liquid drawing assemblies are totally two in number, the first liquid drawing assembly is fixedly arranged on the front replacement blood drawing pipeline, the second liquid drawing assembly is fixedly arranged on the rear replacement blood drawing pipeline, the connecting rotating rod fixing rod is fixedly arranged on a base, the connecting rotating gear is fixedly arranged on the connecting rotating rod and is rotatably, a connecting rotating rod is rotatably arranged on a connecting rotating rod fixing rod, a front replacement blood drawing rotating gear is fixedly arranged on a screw rod I and is rotatably connected with a rear replacement blood drawing rotating gear, a blood drawing pipeline sliding block is slidably arranged on a base and is rotatably connected with the screw rod I, the rear replacement blood drawing rotating gear is fixedly arranged on the screw rod I, a liquid drawing component II is fixedly arranged on a rear replacement blood drawing pipeline, a front replacement blood drawing pipeline is fixedly arranged on a blood drawing pipeline sliding block and is slidably connected with the base, a rear replacement blood drawing pipeline is fixedly arranged on the blood drawing pipeline sliding block and is slidably connected with the base, the screw rod I is rotatably arranged on the connecting rotating rod fixing rod, a waste liquid collecting box cylinder is fixedly arranged on the base, a liquid drawing component III is fixedly arranged on a replacement liquid pipeline I, the replacement liquid pipeline I is fixedly arranged on the front replacement blood drawing pipeline, and the waste liquid collecting, waste liquid circulation pipeline fixed mounting is on blood rose box, blood rose box slidable mounting rotates with blood rose box lead screw simultaneously on the base to be connected, blood rose box lead screw fixed mounting is on driving motor one, driven conical gear fixed mounting is connected with initiative conical gear rotation simultaneously on connecting the dwang, initiative conical gear fixed mounting is on blood rose box lead screw, a driving motor fixed mounting is on motor dead lever one, a motor dead lever fixed mounting is on the base, an anticoagulant inflow pipe fixed mounting is on the replacement on the blood drawing pipeline in the front, two fixed mounting of anticoagulant inflow pipe are on the replacement on the blood drawing pipeline in the back.
The blood transfusion replacement mechanism comprises: a replacement fluid screw rod, a replacement fluid placing box, a replacement fluid driving gear, a replacement fluid motor fixing rod, a replacement fluid motor, a replacement fluid driven gear, a middle rotating rod I, a middle rotating rod fixing rod, a middle rotating rod II, a middle rotating gear I, a middle rotating gear II, a middle rotating gear III, a middle rotating rod III, a end transmission gear I, an end transmission rod fixing rod, an end transmission gear II, an end transmission gear III, a rear replacement blood transfusion pipeline, a rear replacement screw rod fixing rod, a rear replacement blood transfusion rotating gear, a front replacement blood transfusion transmission gear, a fluid pumping assembly IV, a screw rod II, a front replacement blood transfusion pipeline, a blood transfusion pipeline sliding block, a blood pumping assembly V, a replacement fluid pipeline II and a blood transfusion assembly, wherein the replacement fluid screw rod is fixedly arranged on the replacement fluid motor and is rotatably connected with the replacement fluid placing box, a replacement liquid driving gear is fixedly arranged on a replacement liquid screw rod and is rotatably connected with a replacement liquid driven gear, a replacement liquid motor fixing rod is fixedly arranged on a base and is rotatably connected with the replacement liquid screw rod, a replacement liquid motor is fixedly arranged on a replacement liquid motor fixing rod, the replacement liquid driven gear is fixedly arranged on a middle rotating rod I, the middle rotating rod I is rotatably arranged on a middle rotating rod fixing rod, the middle rotating rod fixing rod is fixedly arranged on the base, a middle rotating rod II is rotatably arranged on the base, the middle rotating gear I is fixedly arranged on the middle rotating rod I and is rotatably connected with a middle rotating gear II, the middle rotating gear II is fixedly arranged on the middle rotating rod II and is rotatably connected with a middle rotating gear III, the middle rotating gear III is fixedly arranged on a middle rotating rod III, and the middle rotating rod III is rotatably, the first end transmission gear is fixedly arranged on the third middle rotating rod and is also rotationally connected with the second end transmission gear, the fixed rod of the end transmission rod is fixedly arranged on the base, the end transmission rod is rotationally arranged on the fixed rod of the end transmission rod, the second end transmission gear is fixedly arranged on the end transmission rod and is also rotationally connected with the rear replacement blood transfusion transmission gear, the rear replacement blood transfusion pipeline is fixedly arranged on the sliding block of the blood transfusion pipeline and is also slidably connected with the base, the fixed rod of the rear replacement screw rod is fixedly arranged on the base, the rear replacement blood transfusion transmission gear is fixedly arranged on the second screw rod and is also rotationally connected with the front replacement blood transfusion transmission gear, the front replacement blood transfusion transmission gear is fixedly arranged on the second screw rod, the four liquid pumping components are two in total, and the fourth liquid, the other four liquid pumping components are fixedly arranged on the rear replacement blood transfusion pipeline, the screw rod two is rotatably arranged on the rear replacement screw rod fixing rod, the front replacement blood transfusion pipeline is fixedly arranged on the blood transfusion pipeline sliding block and is simultaneously in sliding connection with the base, the blood transfusion pipeline sliding block is slidably arranged on the base and is simultaneously in rotating connection with the screw rod two, the five blood pumping components are fixedly arranged on the replacement liquid pipeline two, the replacement liquid pipeline two is fixedly arranged on the rear replacement blood transfusion pipeline, the number of the blood transfusion components is two, one is arranged on the rear replacement blood transfusion pipeline, and the other is arranged on the front replacement blood transfusion pipeline.
The supporting mechanism includes: the supporting shoe, the supporting shoe spring, the supporting shoe connecting rod, the supporting shoe extension, the case is placed to the anticoagulant, stretching cylinder dead lever, supporting shoe fixed mounting simultaneously on the supporting shoe spring with supporting shoe connecting rod fixed connection, supporting shoe spring fixed mounting is on the base, supporting shoe connecting rod fixed mounting is on the supporting shoe extension, supporting shoe extension fixed mounting is on stretching cylinder, the case fixed mounting is placed to the anticoagulant on the base, stretching cylinder fixed mounting is on stretching cylinder dead lever, stretching cylinder dead lever fixed mounting is on the base.
Furthermore, the base is provided with a guide rail and an elliptic sliding groove.
Furthermore, connect the dwang dead lever total four, two with be connected the dwang, two are connected with two lead screws one respectively in addition, the blood drawing pipeline sliding block total two, distribute on the purification mechanism of drawing blood from top to bottom, two total two of drawing liquid subassembly, an installation is on the blood drawing pipeline is replaced in the front, another installation is on the blood drawing pipeline is replaced in the back, the lead screw total two, distribute on the purification mechanism of drawing blood from top to bottom, waste liquid collecting box cylinder total two, the distribution is installed on the base, anticoagulant inflow pipe one and anticoagulant inflow pipe two on install the liquid ware of drawing liquid, the replacement liquid place the case on have the flowing liquid mouth.
Furthermore, the middle rotating rod fixing rods are two in number and are arranged on the base in a distributed mode, the end portion transmission rod fixing rods and the rear replacement screw rod fixing rods are two in number and are arranged on the base in a distributed mode, the blood transfusion pipeline sliding blocks are two in number and are arranged on the base, the two screw rods are two in number and are arranged on the blood drawing purification mechanism in a distributed mode, and the replacement liquid placing box is filled with replacement liquid.
Furthermore, the support blocks, the support block springs and the support block connecting rods are respectively two and are arranged on the support mechanism in a distributed mode, the anticoagulant placing boxes are two in total and are arranged on the base in a distributed mode, and the anticoagulant placing boxes are filled with the anticoagulant.
Furthermore, blood circulating pipes are arranged in the front replacement blood drawing pipeline, the rear replacement blood drawing pipeline, the replacement liquid pipeline I, the waste liquid circulating pipeline, the anticoagulant inflow pipe I, the anticoagulant inflow pipe II, the rear replacement blood transfusion pipeline, the front replacement blood transfusion pipeline and the replacement liquid pipeline II.
Compared with the prior art, the invention has the beneficial effects that: (1) the blood drawing and purifying mechanism can filter blood and remove impurities in the blood; (2) the blood transfusion replacement mechanism can meet two input ways of replacement liquid, and can select front replacement or back replacement according to actual requirements and output filtered blood; (3) the supporting mechanism can support blood drawing and transfusion pipelines, so that the stability is ensured, and an anticoagulant can be added before blood filtration, thereby reducing the possibility of blood coagulation; (4) the invention can adapt to the input ways of the replacement liquid and the replacement liquid, can automatically switch the output ways of the replacement liquid according to the actual requirement, has simple structure and convenient operation, and greatly reduces the manpower and material resources.
Drawings
FIG. 1 is an overall schematic view of the present invention.
FIG. 2 is an overall schematic of the present invention.
Fig. 3 is a schematic view of the blood drawing and purifying mechanism of the present invention.
Fig. 4 is a schematic view of the blood drawing and purifying mechanism of the present invention.
Fig. 5 is a schematic diagram of the blood transfusion replacement mechanism of the present invention.
Fig. 6 is a partially enlarged schematic view of the blood transfusion replacement mechanism of the present invention.
FIG. 7 is a schematic view of the supporting mechanism of the present invention.
FIG. 8 is a schematic view of a base of the present invention.
Reference numerals: 1-a base; 2-a blood drawing and purifying mechanism; 3-blood transfusion replacement mechanism; 4-a support mechanism; 201-a first liquid pumping component; 202-connecting a rotating rod fixing rod; 203-connecting a rotating gear; 204-connecting the rotating rod; 205-anterior replacement blood drawing rotary gear; 206-sliding block of blood drawing pipeline; 207-posterior replacement of the blood drawing rotary gear; 208-pumping assembly two; 209-anterior replacement of the blood withdrawal line; 210-post replacement of the blood withdrawal line; 211-screw rod one; 212-waste liquid collection tank cylinder; 213-liquid extraction component III; 214-displacement fluid line one; 215-waste collection tank; 216-waste liquid circulation line; 217-blood filter tank; 218-a blood filtration tank lead screw; 219-driven bevel gear; 220-driving bevel gear; 221-driving a first motor; 222-motor fixing rod one; 223-anticoagulant inflow tube one; 224-anticoagulant inflow tube two; 301-displacement liquid screw rod; 302-replacement liquid placing box; 303-displacement fluid drive gear; 304-replacement liquid motor fixing rod; 305-displacement fluid motor; 306-a displacement fluid driven gear; 307-middle rotating rod I; 308-middle rotating rod fixing rod; 309-rotating the middle rod II; 310-intermediate rotating gear one; 311-middle rotating gear two; 312-intermediate rotating gear three; 313-middle rotating rod III; 314-end drive gear one; 315-end drive link securing lever; 316-end drive link; 317-end part transmission gear II; 318-end drive gear three; 319-post replacement transfusion line; 320-replacing the screw rod fixing rod; 321-post-replacement blood transfusion rotating gear; 322-anterior replacement transfusion transmission gear; 323-liquid pumping assembly four; 324-screw mandrel two; 325-anterior replacement blood transfusion line; 326-transfusion line sliding block; 327-blood drawing set five; 328-replacement liquid pipeline two; 329-a transfusion set; 401-a support block; 402-a support block spring; 403-support block connecting rod; 404-support block tension member; 405-anticoagulant placing box; 406-a stretching cylinder; 407-stretching the cylinder fixing rod.
Detailed Description
The present invention will be further described with reference to specific examples, which are illustrative of the invention and are not to be construed as limiting the invention.
Example (b): a continuous blood purification apparatus with a replacement fluid purification function as shown in fig. 1, 2, 3, 4, 5, 6, 7 and 8. The base 1 is a mounting platform of a blood drawing and purifying mechanism 2, a blood transfusion replacement mechanism 3 and a supporting mechanism 4.
The specific structure of the blood drawing purification mechanism 2 is shown in fig. 3 and 4, wherein there are two drawing assemblies 201, one drawing assembly 201 is fixedly installed on the front replacement blood drawing pipeline 209, the other drawing assembly 201 is fixedly installed on the rear replacement blood drawing pipeline 210, the connecting rotating rod fixing rod 202 is fixedly installed on the base 1, the connecting rotating gear 203 is fixedly installed on the connecting rotating rod 204 and is rotatably connected with the front replacement blood drawing rotating gear 205, the connecting rotating rod 204 is rotatably installed on the connecting rotating rod fixing rod 202, the front replacement blood drawing rotating gear 205 is fixedly installed on the first screw rod 211 and is rotatably connected with the rear replacement blood drawing rotating gear 207, the sliding block 206 of the blood drawing pipeline is slidably installed on the base 1 and is rotatably connected with the first screw rod 211, the rear replacement blood drawing rotating gear 207 is fixedly installed on the first screw rod 211, the second drawing assembly 208 is fixedly installed on the rear replacement blood drawing pipeline 210, the front replacement blood drawing pipeline 209 is fixedly arranged on the blood drawing pipeline sliding block 206 and is also connected with the base 1 in a sliding way, the rear replacement blood drawing pipeline 210 is fixedly arranged on the blood drawing pipeline sliding block 206 and is also connected with the base 1 in a sliding way, the first screw rod 211 is rotatably arranged on the connecting rotating rod fixing rod 202, the waste liquid collecting box cylinder 212 is fixedly arranged on the base 1, the liquid drawing component III 213 is fixedly arranged on the first replacement liquid pipeline 214, the first replacement liquid pipeline 214 is fixedly arranged on the front replacement blood drawing pipeline 209, the waste liquid collecting box 215 is fixedly arranged on the waste liquid collecting box cylinder 212, the waste liquid circulating pipeline 216 is fixedly arranged on the blood filtering box 217, the blood filtering box 217 is slidably arranged on the base 1 and is also connected with the blood filtering box screw rod 218 in a rotating way, the blood filtering box screw rod 218 is fixedly arranged on the driving motor I221, the driven conical gear 219 is fixedly arranged, the driving bevel gear 220 is fixedly mounted on the blood filtering box screw 218, the driving motor I221 is fixedly mounted on the motor fixing rod I222, the motor fixing rod I222 is fixedly mounted on the base 1, the anticoagulant inflow pipe I223 is fixedly mounted on the front replacement blood drawing pipeline 209, and the anticoagulant inflow pipe II 224 is fixedly mounted on the rear replacement blood drawing pipeline 210.
Connect dwang dead lever 202 total four, two are connected with connecting dwang 204, two are connected with two lead screws 211 respectively, draw blood circuit sliding block 206 total two, distribute on drawing blood purification mechanism 2 from top to bottom, draw two total two of liquid subassembly 208, an installation is in the front on replacement bloodletting pipeline 209, another installation is on replacement bloodletting pipeline 210 in the back, lead screw 211 total two, distribute on drawing blood purification mechanism 2 from top to bottom, waste liquid collecting box cylinder 212 total two, the distribution is installed on base 1, install the liquid extractor on anticoagulant inflow tube one 223 and the anticoagulant inflow tube two 224, there is the flowing liquid mouth on the case 302 is placed to the replacement liquid.
The specific structure of the blood transfusion replacement mechanism 3 is shown in fig. 5 and 6, wherein the replacement liquid screw rod 301 is fixedly mounted on the replacement liquid motor 305 and rotatably connected with the replacement liquid placing box 302, the replacement liquid placing box 302 is slidably mounted on the base 1, the replacement liquid driving gear 303 is fixedly mounted on the replacement liquid screw rod 301 and rotatably connected with the replacement liquid driven gear 306, the replacement liquid motor fixing rod 304 is fixedly mounted on the base 1 and rotatably connected with the replacement liquid screw rod 301, the replacement liquid motor 305 is fixedly mounted on the replacement liquid motor fixing rod 304, the replacement liquid driven gear 306 is fixedly mounted on the middle rotating rod 307, the middle rotating rod 307 is rotatably mounted on the middle rotating rod fixing rod 308, the middle rotating rod fixing rod 308 is fixedly mounted on the base 1, the middle rotating rod two 309 is rotatably mounted on the base 1, the middle rotating gear 310 is fixedly mounted on the middle rotating rod 307 and rotatably connected with the middle rotating gear two 311, a middle rotating gear II 311 is fixedly arranged on a middle rotating rod II 309 and is rotatably connected with a middle rotating gear III 312, the middle rotating gear III 312 is fixedly arranged on a middle rotating rod III 313, the middle rotating rod III 313 is rotatably arranged on a middle rotating rod fixing rod 308, an end transmission gear I314 is fixedly arranged on the middle rotating rod III 313 and is rotatably connected with an end transmission gear II 317, the end transmission rod fixing rod 315 is fixedly arranged on the base 1, an end transmission rod 316 is rotatably arranged on the end transmission rod fixing rod 315, the end transmission gear II 317 is fixedly arranged on the end transmission rod 316, the end transmission gear III 318 is fixedly arranged on the end transmission rod 316 and is rotatably connected with a rear replacement blood transfusion rotating gear 321, a rear replacement blood transfusion pipeline 319 is fixedly arranged on a blood transfusion pipeline sliding block 326 and is slidably connected with the base 1, and the rear replacement screw rod, the rear replacement blood transfusion rotating gear 321 is fixedly arranged on the second screw rod 324 and is rotatably connected with the front replacement blood transfusion transmission gear 322, the front replacement blood transfusion transmission gear 322 is fixedly arranged on the second screw rod 324, two liquid pumping assemblies four 323 are provided, one liquid pumping assembly four 323 is fixedly arranged on the front replacement blood transfusion pipeline 325, the other liquid pumping assembly four 323 is fixedly arranged on the rear replacement blood transfusion pipeline 319, the second screw rod 324 is rotatably arranged on the rear replacement screw rod fixing rod 320, the front replacement blood transfusion pipeline 325 is fixedly arranged on the blood transfusion pipeline sliding block 326 and is slidably connected with the base 1, the blood transfusion pipeline sliding block 326 is slidably arranged on the base 1 and is rotatably connected with the second screw rod 324, the blood pumping assembly five 327 is fixedly arranged on the second replacement liquid pipeline 328, the second replacement liquid pipeline 328 is fixedly arranged on the rear replacement blood transfusion pipeline 319, two blood transfusion assemblies 329 are provided, and one is arranged on the rear, and the other is mounted on the front replacement transfusion line 325.
Two middle rotating rod fixing rods 308 are distributed and installed on the base 1, two end portion driving rod fixing rods 315 and two rear replacement screw rod fixing rods 320 are respectively arranged and installed on the base 1, two blood transfusion pipeline sliding blocks 326 are arranged and installed on the base 1, two screw rods 324 are arranged and installed on the blood drawing and purifying mechanism 2, and replacement liquid is filled in the replacement liquid placing box 302.
The specific structure of the supporting mechanism 4 is shown in fig. 7, wherein the supporting block 401 is fixedly mounted on a supporting block spring 402 and is fixedly connected with a supporting block connecting rod 403, the supporting block spring 402 is fixedly mounted on the base 1, the supporting block connecting rod 403 is fixedly mounted on a supporting block stretching member 404, the supporting block stretching member 404 is fixedly mounted on a stretching cylinder 406, the anticoagulant placing box 405 is fixedly mounted on the base 1, the stretching cylinder 406 is fixedly mounted on a stretching cylinder fixing rod 407, and the stretching cylinder fixing rod 407 is fixedly mounted on the base 1.
Supporting shoe 401, supporting shoe spring 402, supporting shoe connecting rod 403 respectively have two, distribute and install on supporting mechanism 4, and the anticoagulant is placed case 405 total two, distributes and installs on base 1, and the anticoagulant is placed and is equipped with the anticoagulant in the case 405.
The specific structure of the base 1 is shown in fig. 8, wherein the base 1 is provided with a guide rail and an elliptical chute.
Blood circulation tubes are installed in the front replacement blood drawing tube 209, the rear replacement blood drawing tube 210, the first replacement fluid tube 214, the waste fluid circulation tube 216, the first anticoagulant inflow tube 223, the second anticoagulant inflow tube 224, the rear replacement blood transfusion tube 319, the front replacement blood transfusion tube 325, and the second replacement fluid tube 328.
The working principle of the invention is as follows: when blood needs to be purified, the first driving motor 221 drives the blood filter tank 217 to slide on the base 1 through the blood filter tank screw rod 218, the first driving motor 221 drives the driving bevel gear 220 to rotate through the blood filter tank screw rod 218, the driving bevel gear 220 drives the driven bevel gear 219 to rotate, the driven bevel gear 219 drives the connecting rotating rod 204 to rotate, the connecting rotating rod 204 drives the connecting rotating gear 203 to rotate, the connecting rotating gear 203 drives the front replacement blood drawing rotating gear 205 to rotate, the front replacement blood drawing rotating gear 205 drives the rear replacement blood drawing rotating gear 207 to rotate and simultaneously the front replacement blood drawing rotating gear 205 drives one blood drawing pipeline sliding block 206 to slide through the first screw rod 211, the rear replacement blood drawing rotating gear 207 drives the other blood drawing pipeline sliding block 206 to slide through the first screw rod 211, and one blood drawing pipeline sliding block 206 drives the front replacement blood drawing pipeline sliding block 209 to move, another sliding block 206 of the blood drawing tube drives the rear replacement blood drawing tube 210 to move.
When the replacement fluid input path is selected as front replacement, the front replacement blood drawing pipeline 209 and the blood filter tank 217 are moved simultaneously to enable the front replacement blood drawing pipeline 209 to be inserted into the blood filter tank 217, the rear replacement blood drawing pipeline 210 is moved to a position far away from the blood filter tank 217, the waste liquid collection tank cylinder 212 drives the waste liquid collection tank 215 to move to enable the waste liquid circulation pipeline 216 to be inserted into the waste liquid collection tank 215, the replacement fluid motor 305 drives the replacement fluid placing tank 302 to move to a first replacement fluid pipeline 214 position through the replacement fluid screw rod 301 to enable a first replacement fluid pipeline 214 to be attached to a fluid port of the replacement fluid placing tank 302, the replacement fluid motor 305 drives the replacement fluid driving gear 303 to rotate through the replacement fluid screw rod 301, the replacement fluid driving gear 303 drives the replacement fluid driven gear 306 to rotate, the replacement fluid driven gear 306 drives a first middle rotating rod 307 to rotate, the first middle rotating rod 307 drives a, the middle rotating gear 310 drives the middle rotating gear three 312 to rotate through the middle rotating gear two 311, the middle rotating gear three 312 drives the end transmission gear one 314 to rotate through the middle rotating rod three 313, the end transmission gear one 314 drives the end transmission gear two 317 to rotate, the end transmission gear two 317 drives the end transmission gear three 318 to rotate through the end transmission rod 316, the end transmission gear three 318 drives the rear replacement transfusion rotating gear 321 to rotate, the rear replacement transfusion rotating gear 321 drives the front replacement transfusion transmission gear 322 to rotate, the front replacement transfusion transmission gear 322 drives one blood transfusion pipeline sliding block 326 to move through the screw rod two 324, the rear replacement transfusion rotating gear 321 drives the other blood transfusion pipeline sliding block 326 to move through the screw rod two 324, one blood transfusion pipeline sliding block 326 drives the front replacement transfusion pipeline 325 to move to the position of the blood filtering box 217 so that the front replacement transfusion pipeline 325 is inserted into the blood filtering box 217, another blood transfusion pipeline sliding block 326 drives the rear replacement blood transfusion pipeline 319 to move to a position far away from the blood filtering box 217, when the front replacement blood transfusion pipeline 325 and the front replacement blood drawing pipeline 209 move, the stretching cylinder 406 drives the supporting block connecting rod 403 to move through the supporting block stretching piece 404, the supporting block connecting rod 403 drives the supporting block 401 to move, when the front replacement blood drawing pipeline 209 moves to the position of the anticoagulant placing box 405, when the front replacement blood drawing pipeline 209 is inserted into the anticoagulant placing box 405, one supporting block 401 moves to the position of the front replacement blood transfusion pipeline 325 to support the front replacement blood transfusion pipeline 325, so that the other supporting block 401 moves to the position of the front replacement blood drawing pipeline 209 to further support the front replacement blood drawing pipeline 209, blood is drawn through the first blood drawing component 201 on the front replacement blood drawing pipeline 209, and when blood flows through the blood circulation pipe in the front replacement blood drawing pipeline 209, the anticoagulant in the anticoagulant placing box 405 is pumped into the blood circulation tube in the front replacement blood drawing pipe 209 through the blood circulation tube in the anticoagulant inflow tube 223 by the liquid pump in the anticoagulant inflow tube 223, the replacement fluid in the replacement fluid placing box 302 is pumped into the blood circulation tube in the front replacement blood drawing pipe 209 through the blood circulation tube in the replacement fluid pipe 214 by the liquid pumping assembly three 213, the blood flows into the blood filtering box 217 for filtering through the blood circulation tube in the front replacement blood drawing pipe 209, the filtered impurities flow into the waste liquid collecting box 215 through the blood circulation tube in the waste liquid circulation pipe 216, and the blood filtered in the blood filtering box 217 is pumped into the blood circulation tube in the front replacement blood transfusion pipe 325 by the liquid pumping assembly four 323, the blood in the blood flow line of the pre-replacement transfusion line 325 is output through the transfusion assembly 329, completing the purification of the blood.
When the replacement fluid input path is selected as a rear replacement, the rear replacement blood drawing pipeline 210 and the blood filter tank 217 move simultaneously to enable the rear replacement blood drawing pipeline 210 to be inserted into the blood filter tank 217, the front replacement blood drawing pipeline 209 moves to a position far away from the blood filter tank 217, the waste liquid collection tank cylinder 212 drives the waste liquid collection tank 215 to move to enable the waste liquid circulation pipeline 216 to be inserted into the waste liquid collection tank 215, the replacement fluid motor 305 drives the replacement fluid placing tank 302 to move to a position of a replacement fluid pipeline two 328 through a replacement fluid lead screw 301 to enable the replacement fluid pipeline two 328 to be close to a fluid port of the replacement fluid placing tank 302, the replacement fluid motor 305 drives the replacement fluid driving gear 303 to rotate through the replacement fluid lead screw 301, the replacement fluid driving gear 303 drives the replacement fluid driven gear 306 to rotate, the replacement fluid driven gear 306 drives the middle rotating rod one 307 to rotate, and the middle rotating rod one, the middle rotating gear 310 drives the middle rotating gear three 312 to rotate through the middle rotating gear two 311, the middle rotating gear three 312 drives the end transmission gear one 314 to rotate through the middle rotating rod three 313, the end transmission gear one 314 drives the end transmission gear two 317 to rotate, the end transmission gear two 317 drives the end transmission gear three 318 to rotate through the end transmission rod 316, the end transmission gear three 318 drives the rear replacement transfusion rotating gear 321 to rotate, the rear replacement transfusion rotating gear 321 drives the front replacement transfusion transmission gear 322 to rotate, the rear replacement transfusion rotating gear 321 drives one blood transfusion pipeline sliding block 326 to move through the screw rod two 324, the front replacement transfusion transmission gear 322 drives the other blood transfusion pipeline sliding block 326 to move through the screw rod two 324, one blood transfusion pipeline sliding block 326 drives the rear replacement transfusion pipeline 319 to move to the position of the blood filtering box 217 so that the rear replacement transfusion pipeline 319 is inserted into the blood filtering box 217, another sliding block 326 of the blood transfusion line drives the front replacement blood transfusion line 325 to move to a position far away from the blood filtering box 217, when the rear replacement blood transfusion line 319 and the rear replacement blood drawing line 210 move, the stretching cylinder 406 drives the supporting block connecting rod 403 to move through the supporting block stretching piece 404, the supporting block connecting rod 403 drives the supporting block 401 to move, when the rear replacement blood drawing line 210 moves to the position of the anticoagulant placing box 405, the rear replacement blood drawing line 210 is inserted into the anticoagulant placing box 405, one supporting block 401 moves to the position of the rear replacement blood transfusion line 319 to support the rear replacement blood transfusion line 319, the other supporting block 401 moves to the position of the rear replacement blood drawing line 210 to support the rear replacement blood drawing line 210, blood is drawn through the first blood drawing component 201 on the rear replacement blood drawing line 210, and when blood flows through the blood circulation tube in the rear replacement blood drawing line 210, the anticoagulant in the anticoagulant placing box 405 is pumped into the blood circulation tube in the post-replacement blood drawing pipeline 210 through the blood circulation tube in the anticoagulant inflow tube two 224 by the liquid pumping device in the anticoagulant inflow tube two 224, the blood flows into the blood filtering box 217 for filtering through the blood circulation tube in the post-replacement blood drawing pipeline 210, the filtered impurities flow into the waste liquid collecting box 215 through the waste liquid circulation tube 216, the replacement liquid in the replacement liquid placing box 302 is pumped into the blood circulation tube in the replacement liquid pipeline two 328 through the blood pumping assembly five 327 and then flows into the blood circulation tube in the replacement blood transfusion pipeline 319, the blood filtered in the blood filtering box 217 is pumped into the blood circulation tube in the post-replacement blood transfusion pipeline 319 by the blood pumping assembly four 323, and the blood in the blood circulation tube in the post-replacement blood transfusion pipeline 319 is output through the blood transfusion assembly 329, so that the blood purification is completed.
Claims (6)
1. A continuous blood purification device with a replacement liquid purification function comprises a base (1), a blood drawing purification mechanism (2), a blood transfusion replacement mechanism (3) and a support mechanism (4);
the method is characterized in that: the base (1) is a mounting platform of the blood drawing and purifying mechanism (2), the blood transfusion replacement mechanism (3) and the supporting mechanism (4);
the blood drawing and purifying mechanism (2) comprises: a first liquid drawing component (201), a connecting rotating rod fixing rod (202), a connecting rotating gear (203), a connecting rotating rod (204), a front replacement blood drawing rotating gear (205), a blood drawing pipeline sliding block 206, a rear replacement blood drawing rotating gear (207), a second liquid drawing component (208), a front replacement blood drawing pipeline (209), a rear replacement blood drawing pipeline (210), a first screw rod (211), a waste liquid collecting box cylinder (212), a third liquid drawing component (213), a first replacement liquid pipeline (214), a waste liquid collecting box (215), a waste liquid circulating pipeline (216), a blood filtering box (217), a blood filtering box screw rod (218), a driven bevel gear (219), a driving bevel gear (220), a first driving motor (221), a first motor fixing rod (222), a first anticoagulant inflow pipe (223) and a second inflow pipe (224), wherein the first liquid drawing component (201) is two in total, and the first liquid drawing component (201) is fixedly arranged on the front replacement blood drawing pipeline (209), another blood drawing component I (201) is fixedly arranged on a rear replacement blood drawing pipeline (210), a connecting rotating rod fixing rod (202) is fixedly arranged on a base (1), a connecting rotating gear (203) is fixedly arranged on a connecting rotating rod (204) and is rotatably connected with a front replacement blood drawing rotating gear (205), the connecting rotating rod (204) is rotatably arranged on the connecting rotating rod fixing rod (202), the front replacement blood drawing rotating gear (205) is fixedly arranged on a screw rod I (21) and is rotatably connected with a rear replacement blood drawing rotating gear (207), a blood drawing pipeline sliding block (206) is slidably arranged on the base (1) and is rotatably connected with the screw rod I (211), the rear replacement blood drawing rotating gear (207) is fixedly arranged on the screw rod I (211), a blood drawing component II (208) is fixedly arranged on the rear replacement blood drawing pipeline (210), a front replacement blood drawing pipeline (209) is fixedly arranged on a blood drawing pipeline sliding block (206) and is slidably connected with the base (1), the rear replacement blood drawing pipeline (210) is fixedly arranged on a blood drawing pipeline sliding block (206) and is simultaneously connected with a base (1) in a sliding way, a screw rod I (211) is rotatably arranged on a connecting rotating rod fixing rod (202), a waste liquid collecting box cylinder (212) is fixedly arranged on the base (1), a liquid drawing component III (213) is fixedly arranged on a replacement liquid pipeline I (214), the replacement liquid pipeline I (214) is fixedly arranged on a front replacement blood drawing pipeline (209), a waste liquid collecting box (215) is fixedly arranged on the waste liquid collecting box cylinder (212), a waste liquid circulating pipeline (216) is fixedly arranged on a blood filtering box (217), the blood filtering box (217) is slidably arranged on the base (1) and is simultaneously connected with a blood filtering box screw rod (218) in a rotating way, the blood filtering box screw rod (218) is fixedly arranged on a driving motor I (221), a driven conical gear (219) is fixedly arranged on a connecting rotating rod (204) and is simultaneously connected with a driving conical gear (220) in, the driving bevel gear (220) is fixedly arranged on a blood filtering box screw rod (218), the driving motor I (221) is fixedly arranged on a motor fixing rod I (222), the motor fixing rod I (222) is fixedly arranged on the base (1), the anticoagulant inflow pipe I (223) is fixedly arranged on the front replacement blood drawing pipeline (209), and the anticoagulant inflow pipe II (224) is fixedly arranged on the rear replacement blood drawing pipeline (210);
the blood transfusion replacement mechanism (3) comprises: a replacement fluid lead screw (301), a replacement fluid placing box (302), a replacement fluid driving gear (303), a replacement fluid motor fixing rod (304), a replacement fluid motor (305), a replacement fluid driven gear (306), a middle rotating rod I (307), a middle rotating rod fixing rod (308), a middle rotating rod II (309), a middle rotating gear I (310), a middle rotating gear II (311), a middle rotating gear III (312), a middle rotating rod III (313), an end transmission gear I (314), an end transmission rod fixing rod (315), an end transmission rod (316), an end transmission gear II (317), an end transmission gear III (318), a rear replacement blood transfusion pipeline (319), a rear replacement lead screw fixing rod (320), a rear replacement blood transfusion rotating gear (321), a front replacement blood transfusion transmission gear (322), a liquid pumping assembly IV (323), a lead screw II (324), a front replacement blood transfusion pipeline (325), A blood transfusion pipeline sliding block (326), a blood drawing component five (327), a replacement liquid pipeline two (328) and a blood transfusion component (329), wherein a replacement liquid screw rod (301) is fixedly arranged on a replacement liquid motor (305) and is rotationally connected with a replacement liquid placing box (302), the replacement liquid placing box (302) is slidably arranged on a base (1), a replacement liquid driving gear (303) is fixedly arranged on the replacement liquid screw rod (301) and is rotationally connected with a replacement liquid driven gear (306), a replacement liquid motor fixing rod (304) is fixedly arranged on the base (1) and is rotationally connected with the replacement liquid screw rod (301), the replacement liquid motor (305) is fixedly arranged on the replacement liquid motor fixing rod (304), the replacement liquid driven gear (306) is fixedly arranged on a middle rotating rod one (307), the middle rotating rod one (307) is rotationally arranged on the middle rotating rod fixing rod (308), the middle rotating rod fixing rod (308) is fixedly arranged on the base (1), the middle rotating rod II (309) is rotatably arranged on the base (1), the middle rotating gear I (310) is fixedly arranged on the middle rotating rod I (307) and is simultaneously rotatably connected with the middle rotating gear II (311), the middle rotating gear II (311) is fixedly arranged on the middle rotating rod II (309) and is simultaneously rotatably connected with the middle rotating gear III (312), the middle rotating gear III (312) is fixedly arranged on the middle rotating rod III (313), the middle rotating rod III (313) is rotatably arranged on the middle rotating rod fixing rod (308), the end transmission gear I (314) is fixedly arranged on the middle rotating rod III (313) and is simultaneously rotatably connected with the end transmission gear II (317), the end transmission rod fixing rod (315) is fixedly arranged on the base (1), the end transmission rod (316) is rotatably arranged on the end transmission rod fixing rod (315), a second end transmission gear (317) is fixedly arranged on the end transmission rod (316), a third end transmission gear (318) is fixedly arranged on the end transmission rod (316) and is simultaneously and rotationally connected with a rear replacement blood transfusion rotating gear (321), a rear replacement blood transfusion pipeline (319) is fixedly arranged on a blood transfusion pipeline sliding block (326) and is simultaneously and slidably connected with the base (1), a rear replacement screw rod fixing rod (320) is fixedly arranged on the base (1), a rear replacement blood transfusion rotating gear (321) is fixedly arranged on a second screw rod (324) and is simultaneously and rotationally connected with a front replacement blood transfusion transmission gear (32), a front replacement blood transfusion transmission gear (322) is fixedly arranged on the second screw rod (324), two liquid pumping components (323) are respectively arranged, a fourth liquid pumping component (323) is fixedly arranged on the front replacement blood transfusion pipeline (325), and a fourth liquid pumping component (323) is fixedly arranged on the rear replacement blood transfusion pipeline (319), the second screw rod (324) is rotatably mounted on the rear replacement screw rod fixing rod (320), the front replacement blood transfusion pipeline (325) is fixedly mounted on a blood transfusion pipeline sliding block (326) and is simultaneously in sliding connection with the base (1), the blood transfusion pipeline sliding block (326) is slidably mounted on the base (1) and is simultaneously rotatably connected with the second screw rod (324), the blood drawing assembly five (327) is fixedly mounted on a replacement liquid pipeline two (328), the replacement liquid pipeline two (328) is fixedly mounted on the rear replacement blood transfusion pipeline (319), the number of the blood transfusion assemblies (329) is two, one is mounted on the rear replacement blood transfusion pipeline (319), and the other is mounted on the front replacement blood transfusion pipeline (325);
the supporting mechanism (4) comprises: supporting shoe (401), supporting shoe spring (402), supporting shoe connecting rod (403), tensile piece of supporting shoe (404), case (405) is placed to the anticoagulant, tensile cylinder (406), tensile cylinder dead lever (407), supporting shoe (401) fixed mounting simultaneously with supporting shoe connecting rod (403) fixed connection on supporting shoe spring (402), supporting shoe spring (402) fixed mounting is on base (1), supporting shoe connecting rod (40) fixed mounting is on tensile piece of supporting shoe (404), tensile piece of supporting shoe (404) fixed mounting is on tensile cylinder (406), case (405) fixed mounting is placed to the anticoagulant on base (1), tensile cylinder (406) fixed mounting is on tensile cylinder dead lever (407), tensile cylinder dead lever (407) fixed mounting is on base (1).
2. The continuous blood purification apparatus with substitution liquid purification function according to claim 1, characterized in that: the base (1) is provided with a guide rail and an elliptic sliding groove.
3. The continuous blood purification apparatus with substitution liquid purification function according to claim 1, characterized in that: the utility model discloses a blood purification ware, including connecting dwang dead lever (202), two and connecting dwang (204), two are connected with two lead screw one (211) respectively in addition, bloodletting pipeline sliding block (206) total two, distribute on bloodletting purification mechanism (2) from top to bottom, two (208) total two of drawing liquid subassembly, one is installed in the front and is replaced on bloodletting pipeline (209), another installation is on the back replacement bloodletting pipeline (210), two (211) total lead screw one, distribute on bloodletting purification mechanism (2) from top to bottom, waste liquid collecting box cylinder (212) total two, the distribution is installed on base (1), anticoagulant inflow pipe one (223) and anticoagulant inflow pipe two (224) on install the ware of drawing liquid, the replacement liquid place and have the flowing liquid mouth on case (302).
4. The continuous blood purification apparatus with substitution liquid purification function according to claim 1, characterized in that: the blood transfusion system is characterized in that the number of the middle rotating rod fixing rods (308) is two, the middle rotating rod fixing rods are distributed and installed on the base (1), the number of the end portion driving rod fixing rods (315) and the number of the rear replacement screw rod fixing rods (320) are two, the end portion driving rod fixing rods are distributed and installed on the base (1), the number of the blood transfusion pipeline sliding blocks (326) is two, the end portion driving rod fixing rods are installed on the base (1), the number of the screw rods (324) is two, the middle rotating rod fixing rods are distributed and installed on the blood drawing purification mechanism (2), and replacement liquid.
5. The continuous blood purification apparatus with substitution liquid purification function according to claim 1, characterized in that: the anticoagulant device is characterized in that the number of the supporting blocks (401), the number of the supporting block springs (402) and the number of the supporting block connecting rods (403) are two respectively, the supporting blocks, the supporting block springs and the supporting block connecting rods are distributed and installed on the supporting mechanism (4), the number of the anticoagulant placing boxes (405) is two, the anticoagulant placing boxes are distributed and installed on the base (1), and the anticoagulant placing boxes (405) are internally provided with anticoagulants.
6. The continuous blood purification apparatus with substitution liquid purification function according to claim 1, characterized in that: blood circulating pipes are arranged in the front replacement blood drawing pipeline (209), the rear replacement blood drawing pipeline (210), the replacement liquid pipeline I (214), the waste liquid circulating pipeline (216), the anticoagulant inflow pipeline I (223), the anticoagulant inflow pipeline II (224), the rear replacement blood transfusion pipeline (319), the front replacement blood transfusion pipeline (325) and the replacement liquid pipeline II (328).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110120062.6A CN112807506B (en) | 2021-01-28 | 2021-01-28 | Continuous blood purification equipment with replacement liquid purification function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110120062.6A CN112807506B (en) | 2021-01-28 | 2021-01-28 | Continuous blood purification equipment with replacement liquid purification function |
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| Publication Number | Publication Date |
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| CN112807506A true CN112807506A (en) | 2021-05-18 |
| CN112807506B CN112807506B (en) | 2021-11-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110120062.6A Expired - Fee Related CN112807506B (en) | 2021-01-28 | 2021-01-28 | Continuous blood purification equipment with replacement liquid purification function |
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| US20200368423A1 (en) * | 2013-03-14 | 2020-11-26 | Fresenius Medical Care Holdings, Inc. | Universal portable machine for online hemodiafiltration using regenerated dialysate |
| CN112004569A (en) * | 2018-04-26 | 2020-11-27 | 日机装株式会社 | Blood purification device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2905076Y (en) * | 2006-04-19 | 2007-05-30 | 重庆山外山科技有限公司 | Hemodiafiltration machine |
| US20200368423A1 (en) * | 2013-03-14 | 2020-11-26 | Fresenius Medical Care Holdings, Inc. | Universal portable machine for online hemodiafiltration using regenerated dialysate |
| CN106730086A (en) * | 2016-12-30 | 2017-05-31 | 北京迈淩医疗技术发展有限公司 | The filtering device for blood dialysis and its hemodiafiltration controlling organization of displacement liquid speed can be automatically adjusted |
| WO2018221585A1 (en) * | 2017-06-01 | 2018-12-06 | 日機装株式会社 | Blood purification device |
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