CN215585000U - Hemodialysis device capable of adjusting potassium concentration of dialysate - Google Patents
Hemodialysis device capable of adjusting potassium concentration of dialysate Download PDFInfo
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- CN215585000U CN215585000U CN202122037120.7U CN202122037120U CN215585000U CN 215585000 U CN215585000 U CN 215585000U CN 202122037120 U CN202122037120 U CN 202122037120U CN 215585000 U CN215585000 U CN 215585000U
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Abstract
The utility model discloses a hemodialysis device capable of adjusting potassium concentration of dialysate, which comprises: the device comprises a control mechanism, a blood potassium detector, a dialyzer, a waste liquid box, a liquid mixing box and a plurality of liquid pumping mechanisms; a first pipeline is communicated between the dialyzer and the vein of the human body; a second pipeline is communicated between the dialyzer and the artery of the human body; the second pipeline is fixedly connected and communicated with the blood potassium detector; the dialyzer is respectively communicated with the waste liquid box and the liquid mixing box; the liquid pumping mechanism comprises a liquid storage box; the liquid storage box is fixedly connected and communicated with a liquid feeding pump; the liquid feeding pump is fixedly connected and communicated with a flowmeter; the flowmeter is fixedly connected and communicated with the liquid mixing box; a first delivery pump is connected in series between the liquid mixing box and the dialyzer; a second delivery pump is connected in series between the waste liquid box and the dialyzer; the flow meter, the blood potassium detector, the first delivery pump and the second delivery pump are respectively electrically connected with the control mechanism. The utility model can realize the stability of the potassium in the blood of the MHD patient and improve the comfort level of the dialysis treatment of the MHD patient.
Description
Technical Field
The utility model relates to the technical field of medical instruments, in particular to a hemodialysis device capable of adjusting the concentration of potassium in dialysate.
Background
Hyperkalemia is a common complication of uremia patients and can endanger life, attention is paid to hyperkalemia clinically, and low-concentration potassium ion dialysate is often adopted to correct hyperkalemia in order to avoid adverse events. The potassium in blood before dialysis has important influence on the survival of MHD patients (maintenance hemodialysis patients), and the authoritative data compares the clinical and dialysis data of 502 patients with sudden cardiac arrest and finds that the incidence rate of 5.1mmol/L of potassium in blood before hemodialysis is the lowest. For every 1mmol/L increase, the cardiac arrest increases by 38%, and for every 1mmol/L decrease, the cardiac arrest increases by 49%, and thus, the stabilization of the content of blood potassium is very important for the life of MHD patients, but the existing dialysis machine has no stable measure for blood potassium, so a hemodialysis device capable of adjusting the potassium concentration of dialysate is urgently needed to solve the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an MHD patient, which solves the problems in the prior art, can maintain the stability of potassium in blood of the MHD patient and improve the comfort level of dialysis treatment of the MHD patient.
In order to achieve the purpose, the utility model provides the following scheme:
the utility model provides a hemodialysis device capable of adjusting potassium concentration of dialysate, comprising: the device comprises a control mechanism, a blood potassium detector, a dialyzer, a waste liquid box, a liquid mixing box and a plurality of liquid pumping mechanisms; a first pipeline is communicated between the dialyzer and the veins of the human body; a second pipeline is communicated between the dialyzer and an artery of a human body; the second pipeline is fixedly connected and communicated with the blood potassium detector; the dialyzer is respectively communicated with the waste liquid box and the liquid mixing box;
the liquid pumping mechanism comprises a liquid storage box; the liquid storage box is fixedly connected and communicated with a liquid feeding pump; the liquid feeding pump is fixedly connected and communicated with a flowmeter; the flowmeter is fixedly connected and communicated with the liquid mixing box; a first conveying pump is connected in series between the liquid mixing box and the dialyzer; a second conveying pump is connected in series between the waste liquid box and the dialyzer; the flowmeter, the blood potassium detector, the first delivery pump and the second delivery pump are respectively and electrically connected with the control mechanism.
Preferably, the liquid mixing box comprises a box body and a stirring kettle; the stirring kettle is fixedly arranged on the side wall of the inner cavity of the box body; the box body is fixedly connected and communicated with the first conveying pump; the box body is fixedly connected and communicated with the plurality of flowmeters respectively.
Preferably, the blood potassium detector comprises a blood collection needle and an analyzer; the blood taking needle is fixedly connected and communicated with the analyzer; the needle point of blood taking needle runs through the second pipeline lateral wall and set up in the second pipeline inner chamber, the analysis appearance with control mechanism electric connection.
Preferably, a third pipeline is fixedly connected and communicated between the box body and the dialyzer; and the third pipeline is wound with a heating unit.
Preferably, the heating unit comprises a heat exchange cylinder; the outer side surface of the heat exchange cylinder is provided with a thread groove; the third pipeline is matched with the thread groove; the inner wall of the heat exchange cylinder is fixedly connected with an annular heating sheet; the outer side surface of the heating sheet and the inner wall of the heat exchange cylinder are arranged along the shape and fixedly connected.
Preferably, a conductivity sensor is also fixedly arranged in the box body; the conductivity sensor is electrically connected with an alarm; the alarm is fixedly connected to the outer side wall of the box body.
Preferably, the control mechanism is a PLC controller module.
Preferably, the heating sheet is a temperature-controllable ceramic heating sheet.
The utility model discloses the following technical effects:
the utility model utilizes the flexible configuration of multiple paths to realize the adjustment of different concentration ratios of the dialysate, can realize dynamic adjustment according to the content of the blood potassium of the patient in the dialysis treatment process of the patient, and avoids sudden cardiac arrest of the patient caused by overhigh or overlow blood potassium content.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive exercise.
FIG. 1 is a schematic diagram of the structural connection of the present invention.
Fig. 2 is a schematic side view of the heating unit.
Fig. 3 is a side view of the liquid pumping mechanism.
Fig. 4 is a schematic view of the front view of the potassium blood detector.
Wherein, 1-a control mechanism; 2-a blood potassium detector; 21-a blood collection needle; 22-an analyzer; 3-a dialyzer; 4-waste liquid box; 5-mixing the liquid box; 51-a cartridge; 52-a stirring kettle; 53-conductivity sensor; 54-an alarm; 6-liquid pumping mechanism; 61-a liquid storage box; 62-liquid feeding pump; 63-a flow meter; 7-a first delivery pump; 8-a second delivery pump; 9-a third conduit; 10-a heating unit; 101-a heat exchange cylinder; 102-heating sheet.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
The utility model provides a hemodialysis device capable of adjusting potassium concentration of dialysate, comprising: the device comprises a control mechanism 1, a blood potassium detector 2, a dialyzer 3, a waste liquid box 4, a liquid mixing box 5 and a plurality of liquid pumping mechanisms 6; a first pipeline is communicated between the dialyzer 3 and the veins of the human body; a second pipeline is communicated between the dialyzer 3 and an artery of a human body; the second pipeline is fixedly connected and communicated with the potassium blood detector 2; the dialyzer 3 is respectively communicated with the waste liquid box 4 and the liquid mixing box 5;
the liquid pumping mechanism 6 comprises a liquid storage box 61; the liquid storage box 61 is fixedly connected and communicated with a liquid feeding pump 62; the liquid feeding pump 62 is fixedly connected and communicated with a flowmeter 63; the flowmeter 63 is fixedly connected and communicated with the liquid mixing box 5, so that the dialysate in the liquid storage box 61 can be quantitatively pumped into the liquid mixing box 5 through the combination of the flowmeter 63 and the liquid feeding pump 62; a first delivery pump 7 is connected in series between the liquid mixing box 5 and the dialyzer 3; a second delivery pump 8 is connected in series between the waste liquid box 4 and the dialyzer 3; the flow meter 63, the blood potassium detector 2, the first delivery pump 7 and the second delivery pump 8 are respectively electrically connected with the control mechanism 1.
Further, the pump mechanism 6 is provided with three, and then three liquid storage boxes 61 respectively hold three kinds of dialysate of different concentrations for standby.
In a further optimized scheme, the liquid mixing box 5 comprises a box body 51 and a stirring kettle 52; the stirring kettle 52 is fixedly arranged on the side wall of the inner cavity of the box body 51; the stirring kettle 52 is used for stirring the pumped dialysate with different concentrations, so that the consistency of the concentration of the dialysate and the stability of medical operation are improved. The box body 51 is fixedly connected and communicated with the first conveying pump 7; the box body 51 is fixedly connected and communicated with a plurality of flow meters 63 respectively.
In a further optimized scheme, the blood potassium detector 2 comprises a blood taking needle 21 and an analyzer 22; the blood taking needle 21 is fixedly connected and communicated with the analyzer 22; the needle point of the blood taking needle 21 penetrates through the side wall of the second pipeline and is arranged in the inner cavity of the second pipeline, and the analyzer 22 is electrically connected with the control mechanism 1.
Further, the direction of pricking of blood taking needle 21 sets up towards human direction, and the blood taking port that has realized blood taking needle 21 is opposite with the outflow direction of human blood, has improved blood collection's efficiency, has reduced blood collection's the degree of difficulty.
In a further optimized scheme, a third pipeline 9 is fixedly connected and communicated between the box body 51 and the dialyzer 3; third pipeline 9 is around being equipped with heating element 10, and the dislysate in to third pipeline 9 through heating element 10 heaies up, has avoided the heat-conducting process when microthermal dislysate carries out the ion exchange of dialysis with human blood, has improved the comfort level of human dialysis treatment process.
In a further optimized scheme, the heating unit 10 comprises a heat exchange cylinder 101; the outer side surface of the heat exchange cylinder 101 is provided with a thread groove; the third pipeline 9 is matched with the thread groove; the inner wall of the heat exchange cylinder 101 is fixedly connected with an annular heating sheet 102; the outer side surface of the heating plate 102 is arranged with the inner wall of the heat exchange cylinder 101 and fixedly connected.
Further, the third pipeline 9 is filled in the thread groove, so that the third pipeline 9 can be in full contact with the warm heat exchange cylinder 101, and similarly, the heat generating sheet 102 is arranged along with the inner wall of the heat exchange cylinder 101, so that the heat of the heat generating sheet 102 can be fully absorbed by the heat exchange cylinder and transferred to the third pipeline 9, and the temperature of the dialysate is further raised.
In a further optimization scheme, a conductivity sensor 53 is also fixedly arranged in the box body 51; the conductivity sensor 53 is electrically connected with an alarm 54; the alarm 54 is fixedly connected to the outer side wall of the box body 51, and the alarm 54 can prevent the occurrence of danger caused by the fact that the concentration of the dialysate in the box body 51 exceeds a preset value due to faults.
Further, a PLC control module is integrated in the alarm 54, and can recognize the signal transmitted by the conductivity sensor 53.
In a further optimized scheme, the control mechanism 1 is a PLC module.
According to a further optimized scheme, the heating sheet 102 is a temperature-controllable ceramic heating sheet, the heating sheet 102 can be a ceramic heater of a gold leaf porcelain factory, the heating temperature can be controlled, and discomfort of a human body caused by overhigh heating temperature is avoided.
The implementation process comprises the following steps:
when a human body needs hemodialysis treatment, the vein and the artery of the human body are respectively communicated to the dialyzer 3 through the first pipeline and the second pipeline, and further, a peristaltic pump (not shown in the attached drawing) can be connected between the artery and the dialyzer 3 in series to reduce the pressure of pumping blood of the heart of the human body;
the pump liquid mechanism 6 is provided with three, and then three stock solution boxes 61 hold three kinds of dialysate of different concentrations respectively for later use. At this time, the blood flowing to the dialyzer 3 through the artery is collected by the blood collection needle 21 and is subjected to assay analysis, the concentration of potassium ions in the blood is determined, and the control mechanism 1 controls the plurality of liquid feeding pumps 62 to pump quantitative dialyzates with different concentrations according to the concentration of the potassium ions in the blood of a human body, so that the configuration of the dialyzates with the most appropriate concentration is completed, and dialysis treatment is performed.
When the dialysate with different concentrations is pumped into the mixing box 5, the stirring kettle is started to complete the stirring of the dialysate in the box body 51, and the uniformity of the dialysate is improved. Then, the mixed dialysate is pumped into the dialyzer 3 through the third pipe 9 by the first transfer pump 7 to participate in the work.
In order to avoid the heat exchange between the low-temperature dialysate and the normal-temperature human blood and to cause the human body to lose temperature, the third pipeline 9 is further provided with a heat exchange tube 101, and the heat exchange tube 101 is heated by a heating sheet 102 fixedly connected to the inner wall of the heat exchange tube 101, so that the temperature rise of the third pipeline 9 is realized, the temperature rise of the dialysate is further realized, and the comfort level of the human body in the dialysis process is improved.
Example 1:
in this embodiment, three liquid pumping mechanisms 6 are provided, and three liquid storage boxes 61 respectively hold three kinds of dialysate with different concentrations, wherein the concentrations are 1.0mmol/L, 2.0mmol/L and 4.0mmol/L respectively.
In the dialysis process, 2.0mmol/L of dialysate can be directly used for dialysis treatment, when the potassium ion concentration of human blood is found to be lower than 5.0mmol/L, two liquid feeding pumps 6 are started to prepare 2.0mmol/L and 4.0mmol/L into 3.0mmol/L, so that the potassium ion concentration of the human blood is increased to be 5.0mmol/L, when the potassium ion concentration of the human blood is found to be higher than 5.0mmol/L, the liquid feeding pump 6 corresponding to the 2.0mmol/L of dialysate is closed, the liquid feeding pump 6 corresponding to the 1.0mmol/L of dialysate is started, the reduction of the potassium ion concentration of the human blood is realized, and the risk of sudden cardiac arrest of the human body is avoided.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, are merely for convenience of description of the present invention, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
The above-described embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solutions of the present invention can be made by those skilled in the art without departing from the spirit of the present invention, and the technical solutions of the present invention are within the scope of the present invention defined by the claims.
Claims (8)
1. A hemodialysis device capable of adjusting potassium concentration of dialysate, comprising: the device comprises a control mechanism (1), a blood potassium detector (2), a dialyzer (3), a waste liquid box (4), a liquid mixing box (5) and a plurality of liquid pumping mechanisms (6); a first pipeline is communicated between the dialyzer (3) and the veins of the human body; a second pipeline is communicated between the dialyzer (3) and an artery of a human body; the second pipeline is fixedly connected and communicated with the blood potassium detector (2); the dialyzer (3) is respectively communicated with the waste liquid box (4) and the liquid mixing box (5);
the liquid pumping mechanism (6) comprises a liquid storage box (61); the liquid storage box (61) is fixedly connected and communicated with a liquid feeding pump (62); the liquid feeding pump (62) is fixedly connected and communicated with a flowmeter (63); the flowmeter (63) is fixedly connected and communicated with the liquid mixing box (5); a first delivery pump (7) is connected in series between the liquid mixing box (5) and the dialyzer (3); a second delivery pump (8) is connected in series between the waste liquid box (4) and the dialyzer (3); the flow meter (63), the blood potassium detector (2), the first delivery pump (7) and the second delivery pump (8) are respectively electrically connected with the control mechanism (1).
2. A hemodialysis apparatus for adjusting potassium concentration of dialysate according to claim 1, wherein: the liquid mixing box (5) comprises a box body (51) and a stirring kettle (52); the stirring kettle (52) is fixedly arranged on the side wall of the inner cavity of the box body (51); the box body (51) is fixedly connected and communicated with the first conveying pump (7); the box body (51) is fixedly connected and communicated with the plurality of flow meters (63) respectively.
3. A hemodialysis apparatus for adjusting potassium concentration of dialysate according to claim 1, wherein: the blood potassium detector (2) comprises a blood taking needle (21) and an analyzer (22); the blood taking needle (21) is fixedly connected and communicated with the analyzer (22); the needle point of blood taking needle (21) runs through the second pipeline lateral wall and set up in the second pipeline inner chamber, analysis appearance (22) with control mechanism (1) electric connection.
4. A hemodialysis apparatus for adjusting potassium concentration of dialysate according to claim 2, wherein: a third pipeline (9) is fixedly connected and communicated between the box body (51) and the dialyzer (3); the third pipeline (9) is wound with a heating unit (10).
5. A hemodialysis device capable of adjusting potassium concentration of dialysate according to claim 4, wherein: the heating unit (10) comprises a heat exchange cylinder (101); the outer side surface of the heat exchange cylinder (101) is provided with a thread groove; the third pipeline (9) is matched with the thread groove; the inner wall of the heat exchange cylinder (101) is fixedly connected with an annular heating sheet (102); the outer side surface of the heating sheet (102) is arranged along the shape of the inner wall of the heat exchange cylinder (101) and is fixedly connected with the inner wall of the heat exchange cylinder.
6. A hemodialysis apparatus for adjusting potassium concentration of dialysate according to claim 2, wherein: a conductivity sensor (53) is also fixedly arranged in the box body (51); the conductivity sensor (53) is electrically connected with an alarm (54); the alarm (54) is fixedly connected to the outer side wall of the box body (51).
7. A hemodialysis apparatus for adjusting potassium concentration of dialysate according to claim 1, wherein: the control mechanism (1) is a PLC module.
8. A hemodialysis device capable of adjusting potassium concentration of dialysate according to claim 5, wherein: the heating sheet (102) is a ceramic heating sheet with controllable temperature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122037120.7U CN215585000U (en) | 2021-08-27 | 2021-08-27 | Hemodialysis device capable of adjusting potassium concentration of dialysate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122037120.7U CN215585000U (en) | 2021-08-27 | 2021-08-27 | Hemodialysis device capable of adjusting potassium concentration of dialysate |
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| Publication Number | Publication Date |
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| CN215585000U true CN215585000U (en) | 2022-01-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202122037120.7U Active CN215585000U (en) | 2021-08-27 | 2021-08-27 | Hemodialysis device capable of adjusting potassium concentration of dialysate |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220920 Address after: No. 170, Xinsong Road, Minhang District, Shanghai, 201100 Patentee after: CENTRAL HOSPITAL OF MINHANG DISTRICT, SHANGHAI Address before: 201100 No. 170, Xinsong Road, Xinzhuang Town, Minhang District, Shanghai Patentee before: He Haidong |
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| TR01 | Transfer of patent right |