A hemodiafiltration filter and a dialysis apparatus

Abstract

The application discloses a hemodialysis filter and a dialysis device, and relates to the technical field of dialysis devices. The dialyzer body is provided with a blood input end communicated with a blood cavity on the top, a blood leading-out end communicated with the blood cavity on the bottom, a positioning seat one and a positioning seat two on the circumferential surface, a dialysis input port communicated with a dialysis cavity on the circumferential surface of the positioning seat one, a dialysis output port communicated with the dialysis cavity on the circumferential surface of the positioning seat two, a blood defoaming pipe communicated with the bottom of the blood leading-out end, a positioning seat three close to the bottom on the circumferential surface of the blood defoaming pipe, a blood output port communicated with the blood defoaming pipe on the circumferential surface of the positioning seat three, and a vibration defoaming device sleeved on the outer side of the blood defoaming pipe. In the dialysis treatment process, the vibration defoaming can greatly reduce the possibility that the bubbles in the dialysis process are transported into the patient's body together with the dialysis blood.

Description

Technical Field

[0001] This invention belongs to the technical field of dialysis equipment, and in particular relates to a hemodialysis filter and dialysis equipment. Background Technology

[0002] A hemodialysis device is a commonly used medical device for detoxifying the blood. Its principle is to draw blood from the arteries, filter it through a dialyzer, and then return it to the patient via a vein. The dialyzer mainly consists of an outer cylinder and an inner dialysis membrane. During hemodialysis, the dialysate passes through the dialyzer and undergoes solute dispersion, osmosis, and ultrafiltration with the patient's blood to separate impurities from the blood. Prolonged dialysis can lead to membrane contamination, reducing its effectiveness. To ensure optimal dialysis results, the dialysis membrane is typically replaced.

[0003] In existing technologies, although general hemodialysis devices can switch dialysis membranes and clean them after use, air bubbles can easily be transported into the patient's veins along with the dialysis blood during use, which can have adverse effects on the patient's health. Summary of the Invention

[0004] The purpose of this invention is to provide a hemodialysis filter and dialysis equipment. Through the specific structural design of the dialyzer body, the support mechanism, the fluid guiding component, the guiding and vibration transmission component, and the rotating conduction mechanism, the invention solves the problem that in existing hemodialysis devices, air bubbles are easily transported into the patient's vein along with the dialysis blood during the use of the cleaned dialysis membrane, which can have adverse effects on the patient's health.

[0005] To solve the above-mentioned technical problems, the present invention is achieved through the following technical solution: The present invention is a hemodialysis filter, comprising a dialyzer body, wherein the dialyzer body has a blood chamber and a dialysis chamber separated by a dialysis membrane inside, a blood input end communicating with the blood chamber is installed at the top of the dialyzer body, and a blood output end communicating with the blood chamber is installed at the bottom of the dialyzer body; a positioning seat one and a positioning seat two are respectively installed on the peripheral side of the dialyzer body, a dialysis input port communicating with the dialysis chamber is provided on the peripheral side of the positioning seat two, and a dialysis output port communicating with the dialysis chamber is provided on the peripheral side of the positioning seat two; a blood defoaming tube is connected and installed at the bottom of the blood output end, a positioning seat three is installed close to the bottom on the peripheral side of the blood defoaming tube, a blood output port communicating with the blood defoaming tube is provided on the peripheral side of the positioning seat three, and a vibration defoamer is sleeved and installed on the outside of the blood defoaming tube, the vibration defoamer being used to defoam the dialysis blood flowing into the blood defoaming tube.

[0006] In this embodiment of the invention, the vibration defoamer includes a vibration defoaming frame sleeved and installed on the blood defoaming tube. A plurality of elastic vibration balls are arranged in a circumferential array on the inner wall of the vibration defoaming frame. The elastic vibration balls are used to fit against the peripheral side of the blood defoaming tube. A vibration transmission frame is fixedly installed at the bottom of the vibration defoaming frame. A vibration transmission element is radially slidably arranged on the vibration transmission frame. A connecting plate fixed at the end of the vibration transmission element is connected to the vibration transmission frame through an elastic element. An inclined gas collecting pipe is installed close to the top of the peripheral side of the blood defoaming tube. A gas collecting cylinder is installed at the top of the inclined gas collecting pipe. The inclined gas collecting pipe is located above the vibration defoaming frame.

[0007] In this embodiment of the invention, the dialysis equipment based on the above-mentioned hemodialysis filter includes a support mechanism installed inside the dialysis machine housing; wherein, the support mechanism includes an upper support plate and a lower support plate, a dialysis fluid storage tank and a cleaning fluid tank are respectively installed on the top of the upper support plate, a shifting motor is installed on the top of the lower support plate, the output shaft of the shifting motor is connected to a shifting gear, two support plates are symmetrically fixed on the top of the lower support plate, an inner extension guide ring one, an inner extension guide ring two and an inner extension guide ring three are respectively installed between the support plates, an outer extension guide ring is provided between the inner extension guide ring two and the inner extension guide ring three, and a collection tank located below the lower support plate is provided inside the dialysis machine housing.

[0008] In this embodiment of the invention, a blood input tube is connected to one circumference of the inner extension guide ring, and an arterial blood pump is installed on the blood input tube. A blood output tube is connected to three circumferences of the inner extension guide ring, and a venous blood pump is installed on the blood output tube. The blood output tube is used to connect with a blood output port. A fluid guiding assembly is installed on the inner side of the inner extension guide ring. The fluid guiding assembly includes a fluid guiding ring that is rotatably fitted inside the inner extension guide ring. Two fluid guiding tubes are symmetrically connected to the inner wall of the fluid guiding ring. The fluid guiding tubes are inserted into and fitted with corresponding blood input ends. The blood input tube is used to connect with the fluid guiding tubes.

[0009] In this embodiment of the invention, the invention further includes a guide vibration transmission assembly; wherein, the guide vibration transmission assembly includes a guide ring fixedly installed at the bottom of the lower support plate, a plurality of vibration transmission parts are fixedly arranged on the inner wall of the guide ring, the included angle between two adjacent vibration transmission parts is 90°, the guide ring has radial vibration transmission ports corresponding to the vibration transmission parts, a vibration generator is installed at the bottom of the lower support plate, and the vibration rod of the vibration generator is slidably inserted into the corresponding radial vibration transmission port.

[0010] In this embodiment of the invention, a dialysis inlet pipe is connected to the inner wall of the outer guide ring, the upper end of the dialysis inlet pipe extends into the dialysis storage tank, and a dialysis pump is installed on the dialysis inlet pipe at the bottom of the upper support plate. A dialysis drain pipe penetrating the lower support plate is connected to the two sides of the inner guide ring. A first cleaning pipe is connected to the one side of the inner guide ring, the upper end of the first cleaning pipe extends into the cleaning liquid tank, and a control valve is installed on the first cleaning pipe. A second cleaning pipe connected to the first cleaning pipe is connected to the two sides of the inner guide ring. A first drain pipe penetrating the lower support plate is connected to the three sides of the inner guide ring.

[0011] In this embodiment of the invention, the invention further includes a rotary conduction mechanism; wherein, the rotary conduction mechanism includes a support ring one that is closed and rotatably fitted inside the inner extension guide ring two, a support ring two that is closed and rotatably fitted to the outer side of the outer extension guide ring, a support ring three that is closed and rotatably fitted inside the inner extension guide ring three, the support ring one, the support ring two and the support ring three being connected by a fixing member, and an outer toothed ring that meshes with a shift gear is fixedly installed at the bottom of the support ring three.

[0012] In this embodiment of the invention, the top of the support ring one is provided with a positioning cavity one for installing the positioning seat two, and the outer wall of the support ring one is provided with a through port one communicating with the positioning cavity one. The through port one is connected to the corresponding dialysis output port. The top of the support ring two is provided with a positioning cavity two for installing the positioning seat one, and the inner wall of the support ring two is provided with a through port two communicating with the positioning cavity two. The through port two is connected to the corresponding dialysis input port. Two positioning rings are symmetrically fixed on the inner wall of the support ring three. The positioning seat three is sealed and rotatably fitted inside the positioning ring. The outer wall of the support ring three is provided with a through port three communicating with the positioning ring. The through port three is connected to the corresponding blood output port.

[0013] In this embodiment of the invention, a blood diversion tube is connected to one side of the inner extended guide ring and is connected to the blood input tube. A control valve is installed on the blood diversion tube. A drain diversion tube is connected to the second side of the inner extended guide ring and is connected to the dialysis drain tube. A dialysis diversion tube is connected to the inner wall of the outer extended guide ring and is connected to the dialysis inlet tube. A second drain pipe for connecting to the dialysis inlet is installed on the inner wall of the outer extended guide ring.

[0014] The present invention has the following beneficial effects: 1. After completing the predialysis treatment, the present invention controls the predialysis hemodialysis filter to rotate to the dialysis position, while the used hemodialysis filter rotates to the cleaning position. During the dialysis treatment of the patient's blood again, the dialysis membrane cleaning solution in the cleaning solution tank flows by gravity into the blood chamber in the dialyzer body through the cleaning tube one, thus cleaning the inner side of the dialysis membrane in the dialyzer body. At the same time, the dialysis chamber in the dialyzer body is cleaned by gravity flow through the cleaning tube two. During the cleaning of the dialysis membrane, the hemodialysis filter in the cleaning position is vibrated, which can effectively reduce the adhesion of air bubbles on the dialysis membrane or the inner wall of the blood defoaming tube during the cleaning process. Combined with the arrangement of the predialysis position, the hemodialysis filter can be further defoamed. During the dialysis treatment, the hemodialysis filter rotates to the dialysis position after predialysis and vibrates to defoam again, which can greatly reduce the possibility of air bubbles being transported into the patient's body with the dialysis blood.

[0015] 2. In the process of simultaneously activating the arterial blood pump, venous blood pump, and dialysis pump, the dialysis fluid in the dialysis reservoir is transported along the dialysis inlet tube, the second guide port, and the dialysis input port to the dialysis chamber within the dialyzer body at the dialysis position. Blood from the patient's arteries is transported along the blood input tube, the guide tube, and the blood input end to the blood chamber within the dialyzer body. Dialysis treatment of the flowing blood is achieved through the dialysis fluid. After dialysis, the dialysis waste fluid is discharged into the collection tank through the dialysis output port, the first guide port, and the dialysis drain tube. The blood after dialysis flows back into the patient's vein along the blood output port, the third guide port, and the blood output tube. This achieves dialysis treatment of the patient's blood. During dialysis treatment, the vibration of the defoaming tube at the dialysis position effectively prevents air bubbles from flowing back into the patient's venous blood along with the dialyzed blood. Attached Figure Description

[0016] To more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0017] Figure 1 This is a schematic diagram of the hemodialysis filter in this invention.

[0018] Figure 2 for Figure 1 A structural diagram from another angle.

[0019] Figure 3 This is a schematic diagram of the dialysis device in this invention.

[0020] Figure 4 This is a partial structural schematic diagram of the dialysis device in this invention.

[0021] Figure 5 for Figure 4 The front view of the structure.

[0022] Figure 6 This is a schematic diagram of the supporting mechanism in this invention.

[0023] Figure 7 for Figure 6 The front view of the structure.

[0024] Figure 8 This is a diagram showing the coordination relationship between the hemodialysis filter, the fluid delivery assembly, and the rotary conduction mechanism in this invention.

[0025] Figure 9 for Figure 8 The front view of the structure.

[0026] Figure 10 This is a schematic diagram of the structure of the guiding vibration transmission component in this invention.

[0027] Figure 11 This is a schematic diagram of the liquid guiding component in this invention.

[0028] Figure 12 This is a schematic diagram of the rotating conduction mechanism in this invention.

[0029] The attached diagram lists the components represented by each number as follows:

[0030] 1-Dialyzer body, 101-Blood inlet, 102-Blood outlet, 103-Positioning seat one, 104-Positioning seat two, 105-Dialysis inlet, 106-Dialysis outlet, 107-Blood defoaming tube, 108-Positioning seat three, 109-Blood outlet, 110-Vibration defoaming frame, 111-Elastic vibration ball, 112-Vibration transmission frame, 113-Vibration transmission component, 114-Elastic element 115-Inclined gas collecting tube, 116-Gas collecting cylinder, 2-Bearing mechanism, 201-Upper bearing plate, 202-Lower bearing plate, 203-Dialysis fluid tank, 204-Washing fluid tank, 205-Transposition motor, 206-Transposition gear, 207-Support plate, 208-Inner extended guide ring one, 209-Inner extended guide ring two, 210-Inner extended guide ring three, 211-Outer extended guide ring, 212-Blood infusion tube, 213-Artery Blood pump, 214-Blood output tubing, 215-Venous blood pump, 216-Dialysis inlet tubing, 217-Dialysis pump, 218-Dialysis outlet tubing, 219-Cleaning tubing one, 220-Control valve, 221-Cleaning tubing two, 222-Sewage drain tubing one, 223-Blood shunt tubing, 224-Sewage drain shunt tubing, 225-Dialysis shunt tubing, 226-Sewage drain tubing two, 3-Liquid guiding assembly, 301-Liquid guiding ring, 302- Liquid guide tube, 4-guided vibration transmission assembly, 401-guide ring, 402-vibration transmission part, 403-radial vibration transmission port, 5-rotational conduction mechanism, 501-support ring one, 502-support ring two, 503-support ring three, 504-fixed part, 505-external toothed ring, 506-positioning cavity one, 507-conducting port one, 508-positioning cavity two, 509-conducting port two, 510-positioning ring, 511-conducting port three. Detailed Implementation

[0031] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0032] For a specific implementation example, please refer to Implementation Example 1. Figure 1 and Figure 2This invention relates to a hemodialysis filter, comprising a dialyzer body 1. The dialyzer body 1 has a blood chamber and a dialysis chamber separated by a dialysis membrane inside. A blood inlet 101 communicating with the blood chamber is installed at the top of the dialyzer body 1, and a blood outlet 102 communicating with the blood chamber is installed at the bottom of the dialyzer body 1. Positioning seats 1-103 and 104 are respectively installed on the peripheral sides of the dialyzer body 1. Positioning seat 1-103 has a dialysis inlet 105 communicating with the dialysis chamber on its peripheral side. The second seat 104 has a dialysis output port 106 on its circumference that communicates with the dialysis chamber; the bottom of the blood outlet 102 is connected to and installed with a blood defoaming tube 107, and a positioning seat 3 108 is installed on the circumference of the blood defoaming tube 107 close to the bottom. The positioning seat 3 108 has a blood output port 109 on its circumference that communicates with the blood defoaming tube 107, and a vibration defoamer is sleeved on the outside of the blood defoaming tube 107. The vibration defoamer is used to defoam the dialysis blood flowing into the blood defoaming tube 107.

[0033] Furthermore, the vibration defoamer includes a vibration defoaming frame 110 sleeved and installed on the blood defoaming tube 107. A plurality of elastic vibrating balls 111 are arranged in a circumferential array on the inner wall of the vibration defoaming frame 110. The elastic vibrating balls 111 are used to adhere to the circumferential side of the blood defoaming tube 107. Thus, the vibration of each elastic vibrating ball 111 vibrates the blood defoaming tube 107, thereby defoaming the blood flowing into the blood defoaming tube 107. This effectively prevents air from entering the patient's venous blood during dialysis. A vibration transmission frame 112 is fixedly installed at the bottom, and a vibration transmission component 113 is radially slidably arranged on the vibration transmission frame 112. The connecting plate fixed at the end of the vibration transmission component 113 is connected to the vibration transmission frame 112 through an elastic element 114. An inclined air collecting pipe 115 is installed close to the top of the blood defoaming tube 107. An air collecting cylinder 116 is installed at the top of the inclined air collecting pipe 115. The inclined air collecting pipe 115 is arranged above the vibration defoaming frame 110. The air after vibration defoaming can enter the air collecting cylinder 116 through the inclined air collecting pipe 115.

[0034] Specific embodiment two, based on specific embodiment one, such as Figure 3 , Figure 6 and Figure 7As shown, the dialysis equipment based on the above-mentioned hemodialysis filter includes a support mechanism 2 installed inside the dialysis machine casing. The support mechanism 2 includes an upper support plate 201 and a lower support plate 202. A dialysis fluid storage tank 203 and a cleaning fluid tank 204 are respectively installed on the top of the upper support plate 201. A shifting motor 205 is installed on the top of the lower support plate 202. The output shaft of the shifting motor 205 is connected to a shifting gear 206. Two support plates 207 are symmetrically fixed on the top of the lower support plate 202. An inner extension guide ring 1 208, an inner extension guide ring 209, and an inner extension guide ring 3 210 are respectively installed between the support plates 207. An outer extension guide ring 211 is provided between the inner extension guide ring 209 and the inner extension guide ring 3 210. A collection tank (not shown in the figure) is located below the lower support plate 202 inside the dialysis machine casing.

[0035] In this embodiment of the invention, such as Figure 6 , Figure 7 and Figure 11 As shown, a blood inlet tube 212 is connected to the side of the inner extension guide ring 208 (to prevent coagulation during hemodialysis, an anticoagulant cartridge, not shown in the figure, is connected to this blood inlet tube 212). An arterial blood pump 213 is installed on the blood inlet tube 212. A blood outlet tube 214 is connected to the side of the inner extension guide ring 210. A venous blood pump 215 is installed on the blood outlet tube 214. The blood outlet tube 214 is used to connect to the blood outlet 109. Both the blood inlet tube 212 and the blood outlet tube 214 penetrate the dialysis machine casing. The blood inlet tube 212 is used to connect to the patient's artery. The blood infusion tube 214 is used to connect to the venous return tube on the patient's vein. A fluid guiding assembly 3 is installed inside the inner extension guide ring 208. The fluid guiding assembly 3 includes a fluid guiding ring 301 that is sealed and rotatably fitted inside the inner extension guide ring 208. Two fluid guiding tubes 302 are symmetrically connected on the inner wall of the fluid guiding ring 301. The fluid guiding tubes 302 are inserted and fitted with the corresponding blood input end 101. The blood input tube 212 is used to connect with the fluid guiding tube 302. In this way, the blood in the patient's artery can be delivered to the blood chamber in the dialyzer body 1 through the blood input tube 212, the fluid guiding tube 302 and the blood input end 101.

[0036] In this embodiment of the invention, such as Figure 3 and Figure 10As shown, the present invention also includes a guide vibration transmission assembly 4; wherein, the guide vibration transmission assembly 4 includes a guide ring 401 fixedly installed at the bottom of the lower support plate 202, a plurality of vibration transmission parts 402 are fixedly arranged on the inner wall of the guide ring 401, the included angle between two adjacent vibration transmission parts 402 is 90°, and radial vibration transmission ports 403 corresponding to the vibration transmission parts 402 are opened on the peripheral side of the guide ring 401. A vibration generator (existing technology) is installed at the bottom of the lower support plate 202, and the vibration rod of the vibration generator is slidably inserted into the corresponding radial vibration transmission port 403. When the ball at the end of the vibration transmission member 113 slides into the vibration transmission part 402 and is in contact with the vibration rod, the vibration generator is started to control the vibration rod to vibrate, thereby realizing the vibration of the vibration transmission member 113. During the vibration of the vibration transmission member 113, the vibration can be transmitted to the blood defoaming tube 107 through the vibration transmission frame 112, the vibration defoaming frame 110 and the elastic vibration ball 111.

[0037] In this embodiment of the invention, such as Figure 6 and Figure 7 As shown, the inner wall of the outer guide ring 211 is connected to a dialysis inlet pipe 216, the upper end of which extends into the dialysis storage tank 203. A dialysis pump 217 is installed on the dialysis inlet pipe 216 at the bottom of the upper support plate 201. The circumferential side of the inner guide ring 209 is connected to a dialysis drain pipe 218 that penetrates the lower support plate 202, through which the dialysis waste liquid can be discharged into the collection tank. The circumferential side of the inner guide ring 208 is connected to a cleaning pipe 219, the upper end of which extends into the cleaning solution. Inside the box 204, a control valve 220 is installed on the first cleaning pipe 219. The second inner guide ring 209 is connected to the second cleaning pipe 221, which is connected to the first cleaning pipe 219. The third inner guide ring 210 is connected to the second drain pipe 222, which passes through the lower support plate 202. The blood chamber inside the dialyzer body 1 is cleaned by gravity through the first cleaning pipe 219. At the same time, the dialysis chamber inside the dialyzer body 1 is cleaned by gravity through the second cleaning pipe 221. The waste liquid generated after cleaning the blood chamber is discharged into the collection tank through the drain pipe 222.

[0038] In this embodiment of the invention, such as Figure 4 , Figure 8 and Figure 12As shown, the present invention also includes a rotary conduction mechanism 5; wherein, the rotary conduction mechanism 5 includes a support ring 501 that is rotatably fitted inside the inner extension guide ring 209, a support ring 502 that is rotatably fitted to the outer side of the outer extension guide ring 211, and a support ring 503 that is rotatably fitted inside the inner extension guide ring 210. The support rings 501, 502, and 503 are connected by a fastener 504. An external toothed ring 505 that meshes with the shift gear 206 is fixedly installed at the bottom of the support ring 503. Thus, the rotation control of the entire rotary conduction mechanism 5 can be achieved by controlling the rotation of the shift gear 206.

[0039] Furthermore, the top of the support ring 501 is provided with a positioning cavity 506 for installing the positioning seat 104. The outer wall of the support ring 501 is provided with a through port 507 communicating with the positioning cavity 506. The through port 507 is connected to the corresponding dialysis output port 106. The top of the support ring 502 is provided with a positioning cavity 508 for installing the positioning seat 103. The inner wall of the support ring 502 is provided with a through port 509 communicating with the positioning cavity 508. The through port 509 is connected to the corresponding dialysis input port 105. Two positioning rings 510 are symmetrically fixed on the inner wall of the support ring 503. The positioning seat 108 is sealed and rotatably fitted inside the positioning ring 510. The outer wall of the support ring 503 is provided with a through port 511 communicating with the positioning ring 510. The through port 511 is connected to the corresponding blood output port 109.

[0040] In this embodiment of the invention, such as Figure 6 and Figure 7 As shown, a blood diversion tube 223 is connected to the circumference of the inner extension guide ring 208, and the blood diversion tube 223 is connected to the blood input tube 212. A control valve 220 is installed on the blood diversion tube 223. A drain diversion tube 224 is connected to the circumference of the inner extension guide ring 209, and the drain diversion tube 224 is connected to the dialysis drain tube 218. A dialysis diversion tube 225 is connected to the inner wall of the outer extension guide ring 211, and the dialysis diversion tube 225 is connected to the dialysis inlet tube 216. A drain pipe 226 for connecting to the dialysis inlet 105 is installed on the inner wall of the outer extension guide ring 211. Waste liquid generated after cleaning the dialysis chamber is discharged into the collection tank through the drain pipe 226.

[0041] like Figure 3 and Figure 4As shown, in the initial state, the blood inlet tube 212 is connected to a fluid inlet tube 302, the first connection port 507 is connected to the corresponding dialysis outlet port 106 (dialysis drain tube 218 is connected to the first connection port 507), the second connection port 509 is connected to the corresponding dialysis inlet port 105 (the second connection port 509 is connected to the dialysis inlet tube 216), the third connection port 511 is connected to the corresponding blood outlet port 109 (the third connection port 511 is connected to the blood outlet tube 214), the first cleaning tube 219 is connected to another fluid inlet tube 302, the second cleaning tube 221 is connected to the corresponding first connection port 507, the second waste drain tube 226 is connected to the corresponding second connection port 509, and the first waste drain tube 222 is connected to the corresponding third connection port 511. During the simultaneous activation of the arterial blood pump 213, the venous blood pump 215, and the dialysis pump 217, the dialysis fluid in the dialysis reservoir 203 flows along the dialysis fluid... The dialysate inlet tube 216, the second guide port 509, and the dialysis inlet port 105 deliver the blood to the dialysis chamber inside the dialyzer body 1 at the dialysis position. Blood from the patient's arteries is delivered to the blood chamber inside the dialyzer body 1 along the blood inlet tube 212, the guide tube 302, and the blood inlet end 101. Dialysis treatment of the flowing blood is achieved through the dialysate. After dialysis, the dialysis waste fluid is discharged into the collection tank through the dialysis outlet port 106, the first guide port 507, and the dialysis drain tube 218. The blood after dialysis flows back into the patient's vein along the blood outlet port 109, the third guide port 511, and the blood outlet tube 214. This achieves dialysis treatment of the patient's blood. During the dialysis treatment, the blood defoaming tube 107 at the dialysis position is vibrated to defoam, which can effectively prevent air bubbles from flowing back into the patient's venous blood along with the dialyzed blood.

[0042] When the dialysis membrane at the dialysis position needs to be replaced after a period of dialysis, the entire rotating conduction mechanism 5 is rotated 90°, causing the used hemodialysis filter to rotate away from the dialysis position, while the unused hemodialysis filter rotates to the pre-dialysis position (i.e., the position between the dialysis position and the washing position). At this time, the first conduction port 507 is misaligned with the dialysis drainage tube 218. The first conduction port 507 of the unused hemodialysis filter is connected to the drainage diversion tube 224, while the drainage tube 302 of the unused hemodialysis filter is connected to the blood diversion tube 223. At the same time, the second conduction port 509 of the unused hemodialysis filter is connected to the dialysis diversion tube 225. When the control valve 220 on the blood shunt tube 223 is opened, a certain amount of blood is delivered to the blood chamber in the unused dialyzer body 1 through the blood inlet tube 212 and the blood shunt tube 223. At the same time, dialysate is delivered to the dialysis chamber in the unused dialyzer body 1 through the dialysis inlet tube 216 and the dialysis shunt tube 225. This achieves dialysis treatment of this part of the blood. The dialysis waste fluid generated during the dialysis process enters the dialysis drain tube 218 through the dialysis outlet 106, the guide port 507 and the drain shunt tube 224, and is then discharged into the collection tank for collection. During this process, the blood defoaming tube 107 at the pre-dialysis position is vibrated to defoam.

[0043] After predialysis, the entire rotary conduction mechanism 5 is rotated 90° again, thus completing a 180° rotation. At this point, the predialysis filter rotates to the dialysis position, while the used filter rotates to the cleaning position. Then, the control valve 220 on the blood shunt 223 is closed, and dialysis treatment of the patient's blood is resumed. During this process, the control valve 220 on the cleaning tubing 219 is opened. The dialysis membrane cleaning solution in the cleaning solution tank 204 flows by gravity through the cleaning tube 219 into the blood chamber inside the dialyzer body 1, and then is discharged into the collection tank through the drain tube 222. This achieves the cleaning of the inner side of the dialysis membrane in the dialyzer body 1. At the same time, the dialysis chamber inside the dialyzer body 1 is cleaned by gravity through the cleaning tube 221. The waste liquid generated after cleaning the dialysis chamber is discharged into the collection tank through the drain tube 226. During the cleaning of the dialysis membrane, the hemodialysis filter at the cleaning position is vibrated, which can effectively reduce the adhesion of air bubbles on the inner wall of the dialysis membrane or the blood defoaming tube 107 during the cleaning process. Combined with the arrangement of the pre-dialysis position, the hemodialysis filter can be further defoamed. After the hemodialysis filter is rotated to the dialysis position and dialysis treatment is performed, the vibration defoaming can be used again to greatly reduce the possibility of air bubbles being transported into the patient's body with the dialysis blood during the dialysis process.

[0044] In the description of this specification, references to terms such as "an embodiment," "example," "specific example," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the invention. In this specification, illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0045] The preferred embodiments of the present invention disclosed above are merely illustrative of the invention. These preferred embodiments do not exhaustively describe all details, nor do they limit the invention to the specific implementations described. Clearly, many modifications and variations can be made based on the content of this specification. This specification selects and specifically describes these embodiments to better explain the principles and practical applications of the invention, thereby enabling those skilled in the art to better understand and utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims

1. A hemodialysis filter, comprising a dialyzer body (1), wherein the dialyzer body (1) has a blood chamber and a dialysis chamber separated by a dialysis membrane, a blood inlet (101) communicating with the blood chamber is installed at the top of the dialyzer body (1), and a blood outlet (102) communicating with the blood chamber is installed at the bottom of the dialyzer body (1); characterized in that, The dialyzer body (1) is equipped with a positioning seat one (103) and a positioning seat two (104) on its periphery. The positioning seat one (103) has a dialysis inlet (105) communicating with the dialysis chamber on its periphery, and the positioning seat two (104) has a dialysis outlet (106) communicating with the dialysis chamber on its periphery. The bottom of the blood outlet (102) is connected to a blood defoaming tube (107). A positioning seat three (108) is installed close to the bottom on the periphery of the blood defoaming tube (107). The periphery of the positioning seat three (108) is provided with a blood outlet (109) that communicates with the blood defoaming tube (107). A vibration defoamer is sleeved on the outside of the blood defoaming tube (107). The vibration defoamer is used to defoam the dialysis blood flowing into the blood defoaming tube (107). The vibration defoamer includes a vibration defoaming frame (110) sleeved and installed on the blood defoaming tube (107). A plurality of elastic vibration balls (111) are arranged in a circumferential array on the inner wall of the vibration defoaming frame (110). The elastic vibration balls (111) are used to fit against the peripheral side of the blood defoaming tube (107). A vibration transmission frame (112) is fixedly installed at the bottom of the vibration defoaming frame (110). A vibration transmission element (113) is radially slidably arranged on the vibration transmission frame (112). The connecting plate fixed at the end of the vibration transmission element (113) is connected to the vibration transmission frame (112) through an elastic element (114). The blood defoaming tube (107) has an inclined gas collecting tube (115) installed close to the top on its periphery. An air collecting cylinder (116) is installed on the top of the inclined gas collecting tube (115). The inclined gas collecting tube (115) is located above the vibration defoaming frame (110). The dialysis equipment based on the above-mentioned hemodialysis filter includes a guide vibration transmission assembly (4) and a support mechanism (2) installed in the dialysis machine box; wherein, the support mechanism (2) includes an upper support plate (201) and a lower support plate (202). The guide vibration transmission assembly (4) includes a guide ring (401) fixedly installed at the bottom of the lower support plate (202). Multiple vibration transmission parts (402) are fixedly arranged on the inner wall of the guide ring (401). The included angle between two adjacent vibration transmission parts (402) is 90°. Radial vibration transmission ports (403) corresponding to the vibration transmission parts (402) are opened on the circumferential side of the guide ring (401). A vibration generator is installed at the bottom of the lower support plate (202). The vibration rod of the vibration generator is slidably inserted into the corresponding radial vibration transmission port (403).

2. The hemodialysis filter according to claim 1, characterized in that, The upper support plate (201) is equipped with a dialysis storage tank (203) and a cleaning solution tank (204) respectively. The lower support plate (202) is equipped with a shift motor (205) at its top. The output shaft of the shift motor (205) is connected to a shift gear (206). The lower support plate (202) is symmetrically fixed with two support plates (207). The support plates (207) are respectively equipped with an inner extension guide ring one (208), an inner extension guide ring two (209) and an inner extension guide ring three (210). An outer extension guide ring (211) is provided between the inner extension guide ring two (209) and the inner extension guide ring three (210). The dialysis machine is equipped with a collection tank located below the lower support plate (202) inside the machine.

3. A hemodialysis filter according to claim 2, characterized in that, A blood inlet tube (212) is connected to the side of the inner extension guide ring (208), and an arterial blood pump (213) is installed on the blood inlet tube (212). A blood outlet tube (214) is connected to the side of the inner extension guide ring (210), and a venous blood pump (215) is installed on the blood outlet tube (214). The blood outlet tube (214) is used to connect to the blood outlet (109). A liquid guiding assembly (3) is installed inside the inner extension guide ring (208); wherein, the liquid guiding assembly (3) includes a liquid guiding ring (301) that is sealed and rotatably fitted inside the inner extension guide ring (208), and two liquid guiding tubes (302) are symmetrically connected on the inner wall of the liquid guiding ring (301). The liquid guiding tubes (302) are inserted and fitted with the corresponding blood input end (101), and the blood input tube (212) is used to connect with the liquid guiding tubes (302).

4. A hemodialysis filter according to claim 3, characterized in that, The inner wall of the extended guide ring (211) is connected to a dialysis inlet pipe (216), the upper end of the dialysis inlet pipe (216) extends into the dialysis storage tank (203), and a dialysis pump (217) installed on the dialysis inlet pipe (216) at the bottom of the upper support plate (201) is provided. The two sides of the inner extended guide ring (209) are connected to a dialysis drain pipe (218) that penetrates the lower support plate (202). The inner extension guide ring 1 (208) is connected to a cleaning pipe 1 (219) on its circumference. The upper end of the cleaning pipe 1 (219) extends into the cleaning liquid tank (204). A control valve (220) is installed on the cleaning pipe 1 (219). The inner extension guide ring 2 (209) is connected to a cleaning pipe 2 (221) that communicates with the cleaning pipe 1 (219). The inner extension guide ring 3 (210) is connected to a drain pipe 1 (222) that penetrates the lower support plate (202) on its circumference.

5. A hemodialysis filter according to claim 4, characterized in that, It also includes a rotary conduction mechanism (5); wherein the rotary conduction mechanism (5) includes a support ring one (501) that is closed and rotated inside the inner extension guide ring two (209), a support ring two (502) that is closed and rotated with the outer extension guide ring (211) is sleeved on the outside, and a support ring three (503) that is closed and rotated inside the inner extension guide ring three (210). The support ring one (501), support ring two (502) and support ring three (503) are connected by a fastener (504), and an outer toothed ring (505) that meshes with the shift gear (206) is fixedly installed at the bottom of the support ring three (503).

6. A hemodialysis filter according to claim 5, characterized in that, The top of the first support ring (501) is provided with a positioning cavity (506) for installing the second positioning seat (104). The outer wall of the first support ring (501) is provided with a guide port (507) communicating with the positioning cavity (506). The guide port (507) is connected to the corresponding dialysis output port (106). The top of the second support ring (502) is provided with a positioning cavity (508) for installing the first positioning seat (103). The inner wall of the second support ring (502) is provided with a guide port (508) communicating with the positioning cavity (504). 508) Connecting to the second (509) of the dialysis inlet (105), the second (509) of the dialysis inlet (105) is connected to the corresponding dialysis inlet (105), two positioning rings (510) are symmetrically fixed on the inner wall of the third support ring (503), the third positioning seat (108) is sealed and rotated inside the positioning ring (510), the outer wall of the third support ring (503) is provided with a third (511) of the dialysis inlet (510) connected to the positioning ring (510), the third (511) of the dialysis inlet (511) is connected to the corresponding blood outlet (109).

7. A hemodialysis filter according to claim 6, characterized in that, The inner extension guide ring (208) is connected to a blood diversion tube (223) on its circumference. The blood diversion tube (223) is connected to the blood input tube (212). A control valve (220) is installed on the blood diversion tube (223). The inner extension guide ring (209) is connected to a drain diversion tube (224) on its circumference. The drain diversion tube (224) is connected to the dialysis drain tube (218). The outer extension guide ring (211) is connected to a dialysis diversion tube (225) on its inner wall. The dialysis diversion tube (225) is connected to the dialysis inlet tube (216). The outer extension guide ring (211) is connected to a drain pipe (226) for connecting to the dialysis inlet (105).

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