CN215308927U - Portable hemodialysis equipment - Google Patents
Portable hemodialysis equipment Download PDFInfo
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- CN215308927U CN215308927U CN202120472064.7U CN202120472064U CN215308927U CN 215308927 U CN215308927 U CN 215308927U CN 202120472064 U CN202120472064 U CN 202120472064U CN 215308927 U CN215308927 U CN 215308927U
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Abstract
The utility model discloses portable hemodialysis equipment, which is characterized in that: including first blood pipeline, the dislysate pipeline, the second blood pipeline, the waste liquid pipeline, the cerini dialyser cerini, the circulation container, four at least non-contact valves, a plurality of pump and casing, first blood pipeline, the dislysate pipeline, second blood pipeline and waste liquid pipeline all are connected with the cerini dialyser cerini, the input of circulation container respectively with waste liquid pipeline and outside fresh liquid tube coupling, the output of circulation container is connected with dislysate pipeline and outside discharge pipe respectively, the casing has the front panel at least, side board and top panel, the cerini dialyser cerini is arranged in on the side board, the circulation container is arranged in on the top panel, the pump is arranged in on the front panel, control system sets up in the casing. The utility model has the advantages that: the whole volume and the weight of the hemodialysis equipment can be reduced, the structural layout is reasonable and compact, the fresh liquid can be recycled, the cost is reduced, and the hemodialysis equipment is particularly suitable for being used in families.
Description
Technical Field
The utility model relates to the field of medical equipment, in particular to portable hemodialysis equipment for household treatment.
Background
CRRT (Continuous renal replacement therapy) is an extracorporeal blood purification treatment technique aimed at replacing a damaged kidney for at least 24 hours. The main functions of CRRT include removal of excess water and solutes from the body by convection, diffusion or convection exchange of blood across the membrane in the dialyzer, removal of most of the body water, electrolytes, and middle molecular substances through the membrane, and replenishment of similar volumes of useful components such as fluid and plasma (known as fresh fluid), thereby achieving the removal of body waste and excess water.
The conventional CRRT apparatus still has several disadvantages: firstly, the whole dialysis equipment is too large in volume and complex to use, is not easy to operate at home, and is inconvenient to treat at any time according to needs; secondly, the cost of dialysis is high, a large amount of fresh liquid needs to be prepared during use, the existing fresh liquid is used for one time, and the price of the fresh liquid is high, so that the cost of dialysis is further increased; third, when some infectious diseases outbreak, such as new coronavirus outbreak in 2020, hospital is collected at fixed point, and there is also a great risk of infection in addition to hospital treatment, so that the use of hemodialysis equipment is limited.
Disclosure of Invention
In order to solve the defects in the prior art, the utility model provides portable hemodialysis equipment, which can reduce the volume and the weight of the whole hemodialysis equipment, has reasonable and compact structural layout, can recycle fresh liquid, reduces the cost, and is particularly suitable for families.
The technical scheme adopted by the utility model for solving the technical problems is as follows: a portable hemodialysis apparatus, comprising:
a first blood line for receiving blood output by a therapist;
a dialysate line for receiving dialysate;
a second blood line for returning the treated blood to the patient;
the waste liquid pipeline is used for discharging the treated waste liquid;
the dialyzer is communicated with the first blood pipeline through a first input port, is communicated with the dialysate pipeline through a second input port, is communicated with the second blood pipeline through a first output port, and is communicated with the waste liquid pipeline through a second output port; the dialyzer is used for exchanging substances between the received blood and the dialysate, the blood after exchange treatment enters a second blood pipeline, and the waste liquid after exchange treatment enters a waste liquid pipeline;
the input end of the circulating container is respectively communicated with the waste liquid pipeline and the external fresh liquid pipeline, and the output end of the circulating container is respectively communicated with the dialysate pipeline and the external discharge pipe;
at least four non-contact valves for controlling the opening and closing of the waste liquid pipeline, the fresh liquid pipeline, the dialysate pipeline and the discharge pipe respectively;
a plurality of pumps for powering said first blood line, said dialysate line, and said waste line;
the dialyzer comprises a shell, wherein the shell at least comprises a front panel, a side panel and an upper panel, the dialyzer is arranged on the side panel, the circulating container is arranged on the upper panel, the pump is arranged on the front panel, and a control system is arranged in the shell.
In some embodiments, the pump comprises a blood pump connected to the first blood line, a dialysate pump connected to the dialysate line, and a waste pump connected to the waste line, the blood pump, the dialysate pump and the waste liquid pump are arranged at the lower part of the front panel in sequence, the upper part of the front panel is sequentially provided with a vein pot, a flowmeter display, a key and a control panel, the venous kettle is connected with the second blood pipeline for degassing, the flow meter display is connected with the control system for displaying the real-time flow of each pipeline, the keys and the control panel are connected with the control system for displaying and setting parameters, the control system receives instructions from the keys and the control panel to control the operation of the pump. Therefore, the front and the side of the shell are fully utilized for layout, the front panel is reasonable and compact in structural arrangement, convenient to operate and capable of reducing the size of the whole machine.
In some embodiments, the dialyzer is disposed at a lower portion of the first side panel by the dialyzer holder, a blood end flow meter and an arterial pot are disposed at an upper portion of the first side panel, the blood end flow meter is connected to the second blood line for measuring a flow rate of a liquid in the second blood line and sending the measured flow rate to the control system, the arterial pot is connected to the first blood line for degassing, and a heparin pump is disposed at a rear portion of the first side panel and connected to the first blood line for anticoagulation. Therefore, the first side panel is mainly used for placing related devices and pipelines of the blood circuit, the structural arrangement is reasonable and compact, the operation is convenient, and the volume of the whole machine is reduced.
In some embodiments, the apparatus comprises a second side panel, a dialysate pot and a waste liquid end flowmeter are arranged on the upper portion of the second side panel, the dialysate pot is connected with the dialysate pipeline for degassing, the waste liquid end flowmeter is connected with the waste liquid pipeline for measuring the liquid flow in the waste liquid pipeline and sending the measured liquid flow to the control system, a dialysate end flowmeter is arranged right below the dialysate pot, a waste liquid pot is arranged right below the waste liquid end flowmeter, the dialysate end flowmeter is connected with the dialysate pipeline for measuring the liquid flow in the dialysate pipeline and sending the measured liquid flow to the control system, the waste liquid pot is connected with the waste liquid pipeline for degassing, a blood leakage sensor is arranged below the waste liquid pot, and the blood leakage sensor is connected with the waste liquid pipeline for detecting the blood content in the waste liquid and sending the detected blood content to the control system, the non-contact valve is arranged at the rear part of the second side panel. Therefore, the second side panel is mainly used for placing related pipelines of the dialysate circuit, the structural arrangement is reasonable and compact, the operation is convenient, the influence between the second side panel and other modules is reduced, and the size of the whole machine is reduced.
In some embodiments, a weight is disposed on the upper panel, the circulation container is disposed on the weight, the weight is connected to the waste liquid pump, the dialysate pump and the control system, the weight is further connected to a weight main control board, the weight main control board collects values measured by the weight in a period of time in the circulation container and sends the values to the control system, the control system converts the values into ultrafiltration values according to the collected data, and adjusts the rotation speeds of the waste liquid pump and the dialysate pump according to the ultrafiltration values, so as to control the flow rates of the waste liquid pipeline and the dialysate pipeline, the output end of the circulation container is disposed at the lower part, and the input end of the circulation container is disposed at a distance therefrom. The electronic weighing mode is adopted to control the liquid balance in the circulating pipeline, the defect of large volume of the existing balance cavity is overcome, and the weight meter can be arranged at the top of the shell, so that the upper space is effectively utilized, and the volume of the whole machine is further reduced; on the other hand, the precision can be improved, and the circulation control is more intelligent and controllable.
In some embodiments, a heating plate is arranged above the weight meter in parallel, the circulating container is placed on the heating plate, the surface temperature of the heating plate is kept at 38 +/-3 ℃, and the distance between the heating plate and the weight meter is 0.8-1.0 cm. The circulating container is arranged above the heating plate/the weight meter, so that the temperature of the dialysate can be kept within a specific range (close to the temperature of a human body), hemodialysis treatment is facilitated, and the comfort level of a patient is improved; the hot plate sets up the mixed effect of waste liquid and fresh liquid when can improve the circulation with weighing at an interval, prevents the accuracy that the thermal effect influences the metering result again simultaneously.
In some embodiments, a pipeline bracket is arranged above the shell, the pipeline bracket is foldable and is contained in an opening of an upper panel of the shell, a plurality of grooves for placing pipelines are formed in the top of the pipeline bracket, an alarm device is further arranged on the upper panel of the shell, and the alarm device is connected with the control system. The groove structure can enable the placing position of the pipeline to be adjusted randomly; can be folded and is convenient for storage.
In some embodiments, the non-contact valves include a first valve for controlling the opening and closing of the dialysate line, a second valve for controlling the opening and closing of the waste fluid line, a third valve for controlling the opening and closing of the fresh fluid line, and a fourth valve for controlling the opening and closing of the drain line, and the valves are controlled by a control system for opening sequence and duration. The valves arranged on the pipelines can be conveniently controlled and operated, the level of impurities or toxins in the body is reduced through the dynamic mixing-filtering-remixing circulating process to achieve balance, and the fresh liquid is replaced to repeat the process, so that the use amount of the fresh liquid can be greatly reduced while the original dialysis effect is achieved, and the cost is reduced.
In some embodiments, the dialyzer fixing seat comprises an arc fixing seat and a support frame, the support frame is fixed to the lower portion of the first side panel, the cross section of the support frame is in a convex shape, the arc fixing seat comprises an integrally formed arc bracket and a connecting plate, the connecting plate is in threaded connection with the support frame, an opening of the arc bracket faces upwards and is used for supporting the dialyzer, a clamping portion which is slightly inclined inwards is arranged on the edge of the opening of the arc bracket and is used for fixing the dialyzer, and the arc bracket is inclined upwards by 0-30 degrees from back to front. This structure of cerini dialyser cerini fixing base only needs place the cerini dialyser cerini on when using, and the natural block of clamping part compares traditional double-layered formula bracket operation more convenient, and can adjust the fixed angle of cerini dialyser cerini according to the in-service use condition, and is more nimble.
In some embodiments, the housing is provided with one or more of the following: the pressure detector and the bubble sensor are connected with the pipeline, the rear panel of the shell is provided with a cooling fan, and the shell is vertically provided with a kettle fixing seat used for clamping a kettle.
Compared with the prior art, the utility model has the advantages that: the portable hemodialysis equipment for family treatment is provided, the dialysate is recycled, the use amount of the dialysate or fresh liquid is greatly reduced, and the treatment cost is reduced; the blood circulation and dialysis device has the advantages that the functions are comprehensive, the front face and the side face of the shell are fully utilized for layout, the first side panel is mainly used for placing related pipelines of a blood circuit, the second side panel is mainly used for placing related pipelines of a dialysis liquid circuit, the structure is reasonable and compact, the internal space is saved, and the size and the weight of the whole device are reduced; compared with the prior art in which a mode of balancing cavity or solution volume metering is adopted to control liquid balance, the electronic weighing can further reduce the volume of the whole machine on one hand and improve the precision on the other hand, so that the circulation control is more intelligent and controllable; the three-point combination enables the structure to be suitable for a family treatment mode, is convenient for common families and remote mountain families to carry out hemodialysis treatment, avoids the complex environment of hospital treatment, is beneficial to national popularization and has wide applicability.
Drawings
FIG. 1 is a block diagram of one embodiment of a portable hemodialysis apparatus of the present invention;
FIG. 2 is a front view of one embodiment of a portable hemodialysis apparatus of the present invention;
FIG. 3 is a left side view of one embodiment of a portable hemodialysis apparatus of the present invention;
FIG. 4 is a right side view of one embodiment of a portable hemodialysis apparatus of the present invention;
fig. 5 is a circuit diagram of a portable hemodialysis apparatus according to an embodiment of the present invention.
Wherein, the first blood pipeline 1, the dialysate pipeline 2, the second blood pipeline 3, the waste liquid pipeline 4, the dialyzer 5, the first input port 6, the second input port 7, the first output port 8, the second output port 9, the circulation container 10, the fresh liquid pipeline 11, the exhaust pipe 12, the first valve 13, the second valve 14, the third valve 15, the fourth valve 16, the blood pump 17, the dialysate pump 18, the waste liquid pump 19, the housing 20, the front panel 21, the upper panel 22, the first side panel 23, the second side panel 24, the venous pot 25, the flow meter display 26, the button 27, the control panel 28, the dialyzer holder 29, the blood end flow meter 30, the arterial pot 31, the heparin pump 32, the dialysate pot 33, the waste liquid end flow meter 34, the dialysate end flow meter 35, the waste liquid pot 36, the blood leakage sensor 37, the weight meter 38, the fresh liquid storage container 39, the waste liquid storage container 40, the device comprises a heating plate 41, a pipeline support 42, a groove 43, an alarm device 44, an arc fixing seat 45, a support frame 46, an arc bracket 47, a connecting plate 48, a clamping part 49, a bubble sensor 50, an artery pressure gauge 51, a dialysate pressure gauge 52, a vein pressure gauge 53, a waste liquid pressure gauge 54 and a kettle fixing seat 55.
Detailed Description
The portable hemodialysis apparatus of the present invention will be described in further detail with reference to the accompanying drawings and examples, but the present invention is not limited thereto.
Example one
As shown, a portable hemodialysis apparatus, comprising:
a first blood line 1 for receiving blood from a patient;
a dialysate line 2 for receiving dialysate;
a second blood line 3 for returning the treated blood to the patient;
a waste liquid pipeline 4 for discharging the treated waste liquid;
the dialyzer 5 is communicated with the first blood pipeline 1 through a first input port 6, the dialyzer 5 is communicated with the dialysate pipeline 2 through a second input port 7, the dialyzer 5 is communicated with the second blood pipeline 3 through a first output port 8, and the dialyzer 5 is communicated with the waste liquid pipeline 4 through a second output port 9; the dialyzer is used for carrying out substance exchange on the received blood and the dialysate, the blood after the exchange treatment enters the second blood pipeline, and the waste liquid after the exchange treatment enters the waste liquid pipeline;
the input end of the circulating container 10 is respectively communicated with the waste liquid pipeline 4 and the external fresh liquid pipeline 11, and the output end of the circulating container is respectively communicated with the dialysate pipeline 2 and the external discharge pipe 12; wherein the circulation container may be a medical bag, box, bottle, etc. (not shown);
four non-contact valves: a first valve 13 for controlling the opening and closing of the dialysate line 2, a second valve 14 for controlling the opening and closing of the waste liquid line 4, a third valve 15 for controlling the opening and closing of the fresh liquid line 11, and a fourth valve 16 for controlling the opening and closing of the drain line 12;
three pumps: a blood pump 17 for powering the first blood line 1, a dialysate pump 18 for powering the dialysate line 2, a waste liquid pump 19 for powering the waste liquid line 4;
a housing 20 having at least a front panel 21, side panels on which the dialyzer 5 is placed, and an upper panel 22 on which the circulation vessel 10 is placed, the pump being placed on the front panel 21, and the control system being disposed within the housing 20.
Example two
The portable hemodialysis apparatus provided in this embodiment is based on the first embodiment, and the structure of the whole apparatus is described in detail. In the present embodiment, the side panels include a first side panel 23 (left panel) and a second side panel 24 (right panel). The blood pump 17, the dialysate pump 18 and the waste liquid pump 19 are arranged in a straight line in sequence at the lower part of the front panel 21, which arrangement further saves space. The blood pump 17, the dialysate pump 18 and the waste liquid pump 19 are all provided with pump covers, and the pump covers are all opened from bottom to top. The upper part of the front panel 21 is sequentially provided with a vein pot 25, a flowmeter display 26, a key 27 and an operation panel 28, the vein pot 25 is connected with the second blood pipeline 3 for degassing, the flowmeter display 26 is connected with a control system for displaying the real-time flow of each pipeline, the key 27 and the operation panel 28 are connected with the control system for displaying and setting parameters, and the control system receives instructions from the key 27 and the operation panel 28 to control the operation of the blood pump 17, the dialysate pump 18 and the waste liquid pump 19.
In this embodiment, the dialyzer 5 is disposed at the lower portion of the first side panel 23 through the dialyzer fixing seat 29, the upper portion of the first side panel 23 is provided with a blood end flow meter 30 and an arterial pot 31, the blood end flow meter 30 is connected to the second blood pipeline 3 for measuring the liquid flow in the second blood pipeline and sending to the control system, the arterial pot 31 is connected to the first blood pipeline 1 for degassing, the rear portion of the first side panel 23 is provided with a heparin pump 32, and the heparin pump 32 is connected to the first blood pipeline 1 for anticoagulation.
In this embodiment, a dialysate pot 33 and a waste liquid end flow meter 34 are disposed on the upper portion of the second side panel 24, the dialysate pot 33 is connected to the dialysate line 2 for degassing, and the waste liquid end flow meter 34 is connected to the waste liquid line 4 for measuring the liquid flow in the waste liquid line and sending to the control system. A dialysate end flow meter 35 is arranged right below the dialysate pot 33, a waste liquid pot 36 is arranged right below the waste liquid end flow meter 34, the dialysate end flow meter 35 is connected with the dialysate pipeline 2 and used for measuring the liquid flow in the dialysate pipeline and sending the liquid flow to the control system, and the waste liquid pot 36 is connected with the waste liquid pipeline 4 and used for degassing. A blood leakage sensor 37 is arranged below the waste liquid pot 36, the blood leakage sensor 37 is connected with the waste liquid pipeline 4 for detecting the blood content in the waste liquid and sending the blood content to the control system, the first valve 13, the second valve 14, the third valve 15 and the fourth valve 16 are arranged at the rear part of the second side panel 24, and the non-contact valves in the embodiment can adopt non-contact pinch valves.
EXAMPLE III
The present embodiment provides a portable hemodialysis apparatus, which is based on the first embodiment or the second embodiment and describes the structure of the upper panel 22 in detail. In this embodiment, the upper panel 22 is provided with the weight meter 38, the circulation container 10 is placed on the weight meter 38, the weight meter 38 is connected to the waste liquid pump 19, the dialysate pump 18 and the control system, the ultrafiltration value is converted according to the value in the circulation container measured by the weight meter within a period of time, and the rotation speeds of the waste liquid pump and the dialysate pump are adjusted according to the ultrafiltration value, so as to control the flow rates of the waste liquid pipeline and the dialysate pipeline, and the rotation speed is faster if the ultrafiltration value is set to be larger. The weight meter can adopt a high-precision electronic scale, and compared with the mode of adopting a balance cavity or a solution volume metering to control the liquid balance in the prior art, the utility model adopts the electronic weighing mode to reduce the volume of the whole machine on one hand, and can improve the precision on the other hand, so that the cycle control is more intelligent and controllable.
The first input of the circulation vessel 10 is connected to the waste liquid line 4, the second input is connected to the external fresh liquid line 11, and the fresh liquid line 11 is connected to the fresh liquid storage vessel 39. The first output of the circulation vessel 10 is connected to the dialysate line 2, the second output is connected to an external drain 12, and the drain 12 is connected to a waste reservoir 40. Preferably, the output ends of the circulation container 10 are all arranged at the lower part, so that liquid can flow out or be emptied conveniently, and the input ends of the circulation container 10 are all arranged at a distance from the output ends, so that the liquid can be uniformly mixed under the action of water flow.
A heating plate 41 is arranged above the weight meter 38 in parallel, the heating plate 41 and the weight meter 38 are fixed through bolts, the circulating container 10 is placed on the heating plate 41, the surface temperature of the heating plate 41 is kept at 38 +/-3 ℃, and the distance between the heating plate 41 and the weight meter 38 is 0.8-1.0 cm. The circulating container is arranged above the heating plate/the weight meter, so that the temperature of the dialysate can be kept within a specific range (close to the temperature of a human body), hemodialysis treatment is facilitated, and the comfort level of a patient is improved; the hot plate sets up the mixed effect of waste liquid and fresh liquid when can improve the circulation with weighing at an interval, prevents the accuracy that the thermal effect influences the metering result again simultaneously.
Example four
The present embodiment provides a portable hemodialysis apparatus, which performs a detailed description of the control of the valve based on the above embodiments. In this embodiment, the opening sequence and the opening duration of the first valve 13, the second valve 14, the third valve 15, and the fourth valve 16 are controlled by the control system, specifically according to the following steps:
opening a third valve 15, closing a first valve 13, a second valve 14 and a fourth valve 16, and conveying fresh liquid into the circulating container 10 through an external fresh liquid pipeline 11 until the quantity A in the circulating container 10 reaches a set quantity;
closing the third valve 15, opening the first valve 13 and the second valve 14, keeping the fourth valve 16 closed, allowing the blood treated by the dialyzer 5 to flow into the circulation container 10 through the waste liquid pipeline 4 to be mixed with fresh liquid to obtain dialysate, returning the dialysate into the dialyzer 5 through the dialysate pipeline 2, adjusting the flow rate according to the data measured by the weight meter, and changing the flow rate according to the change of a set value until the blood is circulated for 20-60 minutes, wherein the ratio of the waste liquid to the fresh liquid contained in the dialysate is not more than 1: 7;
thirdly, closing the first valve 13, the second valve 14 and the third valve 15, opening the fourth valve 16 and emptying the liquid in the circulating container 10;
and fourthly, repeating the steps for a plurality of times.
Therefore, the waste liquid can slowly flow into the circulating container, the level of impurities or toxins in the body is reduced through the dynamic mixing-filtering-remixing circulating process, the balance is achieved, the fresh liquid is replaced to repeat the process, the original dialysis effect is achieved, the using amount of the fresh liquid can be greatly reduced, and the cost is reduced.
EXAMPLE five
The present embodiment proposes a portable hemodialysis apparatus, which further refines the rest of the whole machine based on the above embodiments. In this embodiment, a pipeline bracket 42 is disposed above the casing 20, the pipeline bracket 42 is foldable and is accommodated in an opening of the upper panel 22 of the casing, a plurality of grooves 43 for accommodating pipelines are disposed at the top of the pipeline bracket 42, and an alarm device 44 is further disposed on the upper panel 22 of the casing, and the alarm device 44 is connected to the control system and is used for lighting or alarming when an abnormal condition occurs. The groove structure can enable the placing position of the pipeline to be adjusted at will.
In this embodiment, cerini dialyser cerini fixing base 29 includes circular arc fixing base 45 and support frame 46, support frame 46 is fixed in the lower part of first side board 23, the cross section of support frame 46 is type of calligraphy, circular arc fixing base 45 includes integrated into one piece's circular arc type bracket 47 and connecting plate 48, connecting plate 48 and support frame 46 spiro union, circular arc type bracket 47's opening up, be used for holding cerini dialyser cerini 5, circular arc type bracket 47's opening border is provided with clamping part 49 of slight inward sloping, be used for fixing the cerini dialyser cerini, circular arc type bracket 47 upwards is 0-30 slopes from the back.
In this embodiment, one or more of the following components are disposed on the housing 20: a pressure detector and a bubble sensor 50 connected to each of the pipes, the pressure detector including: an arterial pressure gauge 51, a dialysate pressure gauge 52, a venous pressure gauge 53 and a waste liquid pressure gauge 54. The rear panel of the shell 20 and the control system are both provided with cooling fans, and the shell 20 is vertically provided with a kettle fixing seat 55 for clamping a kettle.
In the utility model, the control system and the control mode can be realized by adopting the conventional technology, and are not described again.
It should be noted that the above-mentioned embodiments are only preferred embodiments of the present invention, and the scope of the present invention is not limited thereby, and the present invention may be modified in materials and structures, or replaced with technical equivalents, in the constructions of the above-mentioned various components. Therefore, structural equivalents made by using the description and drawings of the present invention or by directly or indirectly applying to other related arts are also encompassed within the scope of the present invention.
Claims (10)
1. A portable hemodialysis apparatus, comprising:
a first blood line for receiving blood output by a therapist;
a dialysate line for receiving dialysate;
a second blood line for returning the treated blood to the patient;
the waste liquid pipeline is used for discharging the treated waste liquid;
the dialyzer is communicated with the first blood pipeline through a first input port, is communicated with the dialysate pipeline through a second input port, is communicated with the second blood pipeline through a first output port, and is communicated with the waste liquid pipeline through a second output port; the dialyzer is used for exchanging substances between the received blood and the dialysate, the blood after exchange treatment enters a second blood pipeline, and the waste liquid after exchange treatment enters a waste liquid pipeline;
the input end of the circulating container is respectively communicated with the waste liquid pipeline and the external fresh liquid pipeline, and the output end of the circulating container is respectively communicated with the dialysate pipeline and the external discharge pipe;
at least four non-contact valves for controlling the opening and closing of the waste liquid pipeline, the fresh liquid pipeline, the dialysate pipeline and the discharge pipe respectively;
a plurality of pumps for powering said first blood line, said dialysate line, and said waste line;
the dialyzer comprises a shell, wherein the shell at least comprises a front panel, a side panel and an upper panel, the dialyzer is arranged on the side panel, the circulating container is arranged on the upper panel, the pump is arranged on the front panel, and a control system is arranged in the shell.
2. The portable hemodialysis apparatus of claim 1, wherein the pump comprises a blood pump connected to the first blood line, a dialysate pump connected to the dialysate line, and a waste pump connected to the waste line, the blood pump, the dialysate pump and the waste liquid pump are arranged at the lower part of the front panel in sequence, the upper part of the front panel is sequentially provided with a vein pot, a flowmeter display, a key and a control panel, the venous kettle is connected with the second blood pipeline for degassing, the flow meter display is connected with the control system for displaying the real-time flow of each pipeline, the keys and the control panel are connected with the control system for displaying and setting parameters, the control system receives instructions from the keys and the control panel to control the operation of the pump.
3. The portable hemodialysis apparatus of claim 1, wherein the dialyzer is disposed at a lower portion of the first side plate by a dialyzer holder, a blood end flow meter and an arterial pot are disposed at an upper portion of the first side plate, the blood end flow meter is connected to the second blood line for measuring a liquid flow in the second blood line and sending the measured liquid flow to the control system, the arterial pot is connected to the first blood line for degassing, and a heparin pump is disposed at a rear portion of the first side plate and connected to the first blood line for anticoagulation.
4. The portable hemodialysis apparatus of claim 1, comprising a second side panel, wherein a dialysate pot and a waste liquid end flow meter are disposed at an upper portion of the second side panel, the dialysate pot is connected to the dialysate line for degassing, the waste liquid end flow meter is connected to the waste liquid line for measuring a liquid flow in the waste liquid line and sending the measured liquid flow to the control system, the dialysate end flow meter is disposed directly below the dialysate pot, the waste liquid pot is disposed directly below the waste liquid end flow meter, the dialysate end flow meter is connected to the dialysate line for measuring a liquid flow in the dialysate line and sending the measured liquid flow to the control system, the waste liquid pot is connected to the waste liquid line for degassing, and a blood leakage sensor is disposed below the waste liquid pot, the blood leakage sensor is connected with the waste liquid pipeline and used for detecting the blood content in the waste liquid and sending the blood content to the control system, and the non-contact valve is arranged at the rear part of the second side panel.
5. The portable hemodialysis apparatus of claim 2, wherein the upper panel is provided with a weight scale, the circulating container is arranged on the weight, the weight is connected with the waste liquid pump, the dialysate pump and the control system, the weight meter is also connected with a weight meter main control board which collects numerical values measured by the weight meter within a period of time in a circulating container and sends the numerical values to the control system, the control system converts the collected data into an ultrafiltration value and adjusts the rotating speed of the waste liquid pump and the dialysate pump according to the ultrafiltration value, thereby controlling the flow rates of the waste liquid line and the dialysate line, the output end of the circulation vessel being disposed at a lower portion, and the input end of the circulation vessel being disposed at a distance therefrom.
6. The portable hemodialysis apparatus of claim 5, wherein a heating plate is disposed in parallel above the weight scale, the circulation container is placed on the heating plate, the surface temperature of the heating plate is maintained at 38 ± 3 ℃, and the distance between the heating plate and the weight scale is 0.8-1.0 cm.
7. The portable hemodialysis apparatus of claim 1, wherein a tube rack is disposed above the housing, the tube rack is foldable and received in an opening of an upper panel of the housing, a plurality of grooves for placing tubes are disposed on a top of the tube rack, and an alarm device is further disposed on the upper panel of the housing and connected to the control system.
8. The portable hemodialysis apparatus of claim 1, wherein the non-contact valves include a first valve for controlling the opening and closing of the dialysate line, a second valve for controlling the opening and closing of the waste fluid line, a third valve for controlling the opening and closing of the fresh fluid line, and a fourth valve for controlling the opening and closing of the drain line, and wherein the valves are controlled by the control system for sequence and duration of opening.
9. The portable hemodialysis apparatus of claim 3, wherein the dialyzer holder comprises an arc holder and a support frame, the support frame is fixed to the lower portion of the first side plate, the cross section of the support frame is convex, the arc holder comprises an integrally formed arc bracket and a connecting plate, the connecting plate is in threaded connection with the support frame, the arc bracket has an upward opening and is used for holding the dialyzer, a slightly inward-inclined clamping portion is arranged at an edge of the opening of the arc bracket and is used for fixing the dialyzer, and the arc bracket is inclined from back to front by 0-30 °.
10. The portable hemodialysis apparatus of claim 1, wherein the housing is configured to receive one or more of the following: the pressure detector and the bubble sensor are connected with the pipeline, the rear panel of the shell is provided with a cooling fan, and the shell is vertically provided with a kettle fixing seat used for clamping a kettle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120472064.7U CN215308927U (en) | 2021-03-04 | 2021-03-04 | Portable hemodialysis equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120472064.7U CN215308927U (en) | 2021-03-04 | 2021-03-04 | Portable hemodialysis equipment |
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| Publication Number | Publication Date |
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| CN215308927U true CN215308927U (en) | 2021-12-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202120472064.7U Active CN215308927U (en) | 2021-03-04 | 2021-03-04 | Portable hemodialysis equipment |
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| CN (1) | CN215308927U (en) |
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2021
- 2021-03-04 CN CN202120472064.7U patent/CN215308927U/en active Active
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