CN109432527A - A kind of Nephrology dept.'s hemodialysis filter - Google Patents
A kind of Nephrology dept.'s hemodialysis filter Download PDFInfo
- Publication number
- CN109432527A CN109432527A CN201811247964.0A CN201811247964A CN109432527A CN 109432527 A CN109432527 A CN 109432527A CN 201811247964 A CN201811247964 A CN 201811247964A CN 109432527 A CN109432527 A CN 109432527A
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- CN
- China
- Prior art keywords
- level
- dialysate tank
- tank
- chip microcontroller
- circulating pump
- Prior art date
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Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/36—Other treatment of blood in a by-pass of the natural circulatory system, e.g. temperature adaptation, irradiation ; Extra-corporeal blood circuits
- A61M1/3621—Extra-corporeal blood circuits
- A61M1/3639—Blood pressure control, pressure transducers specially adapted therefor
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/14—Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis
- A61M1/16—Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis with membranes
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/14—Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis
- A61M1/16—Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis with membranes
- A61M1/1601—Control or regulation
- A61M1/1603—Regulation parameters
Abstract
The invention discloses a kind of Nephrology dept.'s hemodialysis filters, including dialysate tank and sphygmomanometer, the dialysate tank includes level-one dialysate tank, second level dialysate tank and three-level dialysate tank, the level-one dialysate tank, second level dialysate tank and three-level dialysate tank are successively joined end to end by connecting tube, and the upper end entrance of level-one dialysate tank is connected into blood vessel, it is described to concatenate circulating pump three into internal blood vessel, this Nephrology dept. hemodialysis filter is by way of increasing sphygmomanometer, the blood pressure of user is measured in real time, and automatically control haemodialysis speed, to reduce the influence dialysed to user's blood pressure, it is internal simultaneously that Hall sensor two is set, blood back speed is detected, pass through one work of control loop pump simultaneously, realize the rational proportion of displacement liquid, and exhaust canister is added, effectively gas is avoided to enter blood.
Description
Technical field
The present invention relates to the field of medical instrument technology, specially a kind of Nephrology dept.'s hemodialysis filter.
Background technique
Haemodialysis abbreviation hemodialysis, popular saying are also referred to as artificial kidney, wash kidney, are one kind of blood purification technology.
Using semi-permeable membrane principle, removed by harmful and extra metabolic wastes various in diffusion, convection current body and excessive electrolyte
In vitro, achieve the purpose that purify blood, correct Water-Electrolyte and acid-base balance.
According to the difference for the treatment of method, it is divided into Intermittent hemodialysis and Acute renal failure treatment.In addition to answering
Outside for chronic kidney hypofunction replacement therapy, it is also widely used for acute renal failure caused by different reasons, multiple organ failure, serious
Wound, acute necrotic pancreatitis, potassemia, hypernatremia, acute alcoholism etc..To patient symptom is mitigated, extend life
Depositing the phase has the certain significance, and one of the effective measures of the acute and chronic renal failure of rescue.
Nephrology dept.'s hemodialysis filter is the underlying instrument for carrying out haemodialysis, in blood dialysis, the blood of patient
Pressure can float, and blood pressure mostly cannot be corrected by existing dialysis filter, and patient may experience discomfort sense, and one kind has
Nephrology dept.'s hemodialysis filter of correction blood pressure function is found not yet, needs further to be researched and developed.
Summary of the invention
The technical problem to be solved by the present invention is to overcome the existing defects, provides a kind of Nephrology dept.'s hemodialysis filter,
By way of increasing sphygmomanometer, the blood pressure of user is measured in real time, and automatically controls haemodialysis speed, to drop
Influence of the low dialysis to user's blood pressure, while internal setting Hall sensor two, detect blood back speed, pass through simultaneously
One work of control loop pump, realizes the rational proportion of displacement liquid, and exhaust canister is added, effectively gas is avoided to enter blood, can
Effectively to solve the problems in background technique.
To achieve the above object, the invention provides the following technical scheme: a kind of Nephrology dept.'s hemodialysis filter, including it is saturating
Analyse tank and sphygmomanometer, the dialysate tank includes level-one dialysate tank, second level dialysate tank and three-level dialysate tank, the level-one dialysate tank,
Second level dialysate tank and three-level dialysate tank are successively joined end to end by connecting tube, and the upper end entrance of level-one dialysate tank connects with into blood vessel
Logical, described to concatenate circulating pump three into internal blood vessel, the outlet of three-level dialysate tank lower end passes through connecting tube and exhaust canister lower end
Inlet communication, blood vessel, the connection between the three-level dialysate tank and exhaust canister is provided in the exit of the exhaust canister lower end
Hall sensor two is set with outside pipe, the blood vessel outer cover out fills Hall sensor one, the Hall sensor one and Hall
The output end of sensor two is electrically connected with the input terminal of single-chip microcontroller, the input terminal of the circulating pump three and the output end electricity of single-chip microcontroller
Connection, the input terminal of the single-chip microcontroller are electrically connected with the output end of external power supply；
The output end of the sphygmomanometer is electrically connected by conducting wire with the input terminal of single-chip microcontroller.
As a preferred technical solution of the present invention, the dialysate tank includes tank body, and the tank body both ends are respectively cooperating with
Lid is installed, the top surface is provided with mounting hole, and the mounting hole is coupled with connecting tube, and the two of lid and tank body
End forms residual chamber.
As a preferred technical solution of the present invention, the tank interior hollow structure, and the residual chamber at tank body both ends
It is connected to by semi-transparent membrane tube, the semi-transparent membrane tube is fixedly mounted on tank interior.
As a preferred technical solution of the present invention, the inner space lower end of the tank body is defeated by bend pipe and dialyzate
Enter pipe connection, and the inner space upper end of tank body is connected to by bend pipe with dialyzate efferent duct, the dialyzate input pipe passes through
Circulating pump two is connected to external dialyzate storage container, and the dialyzate efferent duct is connected to discarded dialyzate storage container,
The input terminal of the circulating pump two is electrically connected with the output end of single-chip microcontroller.
As a preferred technical solution of the present invention, the upper end of the exhaust canister is arranged gas vent, at the gas vent
Vacuum pump is set, and inlet is arranged in the side of the exhaust canister, and the inlet is connected by circulating pump one and displacement liquid holding vessel
Logical, the input terminal of the vacuum pump and circulating pump one is electrically connected with the output end of single-chip microcontroller.
Compared with prior art, the beneficial effects of the present invention are: this Nephrology dept. hemodialysis filter is by increasing blood pressure
The mode of meter is measured in real time the blood pressure of user, and automatically controls haemodialysis speed, to reduce dialysis to using
The influence of person's blood pressure, while internal setting Hall sensor two, detect blood back speed, while passing through control loop pump one
Work, realizes the rational proportion of displacement liquid, and exhaust canister is added, effectively gas is avoided to enter blood.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention；
Fig. 2 is exhaust canister assembling schematic diagram of the present invention；
Fig. 3 is dialysate tank schematic diagram of the present invention.
In figure: 1 dialysate tank, 2 connecting tubes, 3 displacement liquid holding vessels, 4 circulating pumps one, 5 Hall sensors one, 6 go out blood vessel, 7
Hall sensor two, 8 circulating pumps two, 9 dialyzate input pipes, 10 dialyzate efferent ducts, 11 circulating pumps three, 12 sphygmomanometers, 13 lists
Piece machine, 14 exhaust canisters, 15 lids, 16 semi-transparent membrane tubes, 17 vacuum pumps.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Fig. 1-3 is please referred to, the present invention provides a kind of technical solution: a kind of Nephrology dept.'s hemodialysis filter, including dialysis
Tank 1 and sphygmomanometer 12, dialysate tank 1 include level-one dialysate tank, second level dialysate tank and three-level dialysate tank, and level-one dialysate tank, second level are saturating
Analysis tank and three-level dialysate tank are successively joined end to end by connecting tube 2, and the upper end entrance of level-one dialysate tank is connected into blood vessel, into
Internal blood vessel concatenates circulating pump 3 11, and the outlet of three-level dialysate tank lower end is connected by the import of connecting tube 2 and 14 lower end of exhaust canister
Logical, blood vessel 6 is provided in the exit of 14 lower end of exhaust canister, is set with outside the connecting tube 2 between three-level dialysate tank and exhaust canister 14
Hall sensor 27 is set with Hall sensor 1, the output of Hall sensor 1 and Hall sensor 27 out outside blood vessel 6
End is electrically connected with the input terminal of single-chip microcontroller 13, and the input terminal of circulating pump 3 11 is electrically connected with the output end of single-chip microcontroller 13, single-chip microcontroller
13 input terminal is electrically connected with the output end of external power supply；
The output end of sphygmomanometer 12 is electrically connected by conducting wire with the input terminal of single-chip microcontroller 13；
Dialysate tank 1 includes tank body, and tank body both ends are respectively cooperating with installation lid 15, and 15 surface of lid is provided with mounting hole, mounting hole
It is coupled with connecting tube 2, and the both ends of lid 15 and tank body form residual chamber；
Tank interior hollow structure, and the residual chamber at tank body both ends is connected to by semi-transparent membrane tube 16, semi-transparent membrane tube 16 is fixedly mounted
In tank interior；
The inner space lower end of tank body is connected to by bend pipe with dialyzate input pipe 9, and the inner space upper end of tank body pass through it is curved
Pipe is connected to dialyzate efferent duct 10, and dialyzate input pipe 9 is connected to by circulating pump 28 with external dialyzate storage container,
Dialyzate efferent duct 10 is connected to discarded dialyzate storage container, the input terminal of circulating pump 28 and the output end electricity of single-chip microcontroller 13
Connection；
Gas vent is arranged in the upper end of exhaust canister 14, and vacuum pump 17 is arranged at gas vent, and inlet is arranged in the side of exhaust canister 14, into
Liquid mouth is connected to by circulating pump 1 with displacement liquid holding vessel 3, input terminal and the single-chip microcontroller 13 of vacuum pump 17 and circulating pump 1
Output end electrical connection；
Single-chip microcontroller 13 is Siemens 6ES7216-2AD23-0XB8 type PLC controller, and 13 control loop of single-chip microcontroller pumps one 4, Hall
Sensor 1, Hall sensor 27, circulating pump 28, circulating pump 3 11, sphygmomanometer 12 and vacuum pump 17 mode be existing skill
Normal method in art.
When in use: sphygmomanometer 12 detects the blood pressure of user, and will test data and be transmitted to single-chip microcontroller 13, together
When one 5 pairs of Hall sensor go out blood vessel 6 inside blood back speed detect, flow velocity is transmitted to single-chip microcontroller 13, single-chip microcontroller 13
According to user's blood pressure and blood back speed, the working condition of control loop pump 3 11, adjustment blood drawing speed is reduced to user's blood
The influence of pressure reduces dialysis bring sense of discomfort, while single-chip microcontroller 13 is imitated according to the work that blood back speed adjusts circulating pump 28
Rate, to control the dialysis degree of dialyzate and blood, and 27 pairs of connecting tubes of Hall sensor, 2 internal flow speed is examined
It surveys, so that the working condition of control loop pump 1, realizes the rational proportion of displacement liquid, during ventilative, pipeline internal gas
It is gathered in the top of exhaust canister 14, gas is discharged by vacuum pump 17, gas is avoided to enter body.
The present invention is measured in real time the blood pressure of user, and automatically control blood by way of increasing sphygmomanometer 12
Liquid dialysis speed, so that the influence dialysed to user's blood pressure is reduced, while internal setting Hall sensor 27, to blood back speed
Degree is detected, while by one 4 work of control loop pump, realizing the rational proportion of displacement liquid, and exhaust canister 14 is added, having
Effect avoids gas from entering blood.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (5)
1. a kind of Nephrology dept.'s hemodialysis filter, including dialysate tank (1) and sphygmomanometer (12), it is characterised in that: the dialysis
Tank (1) includes level-one dialysate tank, second level dialysate tank and three-level dialysate tank, and the level-one dialysate tank, second level dialysate tank and three-level are saturating
Analysis tank is successively joined end to end by connecting tube (2), and the upper end entrance of level-one dialysate tank is connected into blood vessel, described into intravascular
Portion concatenates circulating pump three (11), the outlet of three-level dialysate tank lower end by connecting tube (2) and exhaust canister (14) lower end into
Mouth connection, the exit of exhaust canister (14) lower end is provided blood vessel (6), between the three-level dialysate tank and exhaust canister (14)
Connecting tube (2) outside be set with Hall sensor two (7), it is described go out blood vessel (6) outside be set with Hall sensor one (5), it is described
The output end of Hall sensor one (5) and Hall sensor two (7) is electrically connected with the input terminal of single-chip microcontroller (13), the circulating pump
The input terminal of three (11) is electrically connected with the output end of single-chip microcontroller (13), the input terminal of the single-chip microcontroller (13) and external power supply it is defeated
Outlet electrical connection；
The output end of the sphygmomanometer (12) is electrically connected by conducting wire with the input terminal of single-chip microcontroller (13).
2. a kind of Nephrology dept.'s hemodialysis filter according to claim 1, it is characterised in that: dialysate tank (1) packet
Tank body is included, the tank body both ends are respectively cooperating with installation lid (15), and lid (15) surface is provided with mounting hole, the installation
Hole is coupled with connecting tube (2), and the both ends of lid (15) and tank body form residual chamber.
3. a kind of Nephrology dept.'s hemodialysis filter according to claim 2, it is characterised in that: the tank interior is hollow
Structure, and the residual chamber at tank body both ends is connected to by semi-transparent membrane tube (16), the semi-transparent membrane tube (16) is fixedly mounted in tank body
Portion.
4. a kind of Nephrology dept.'s hemodialysis filter according to claim 1, it is characterised in that: the inside of the tank body is empty
Between lower end be connected to dialyzate input pipe (9) by bend pipe, and the inner space upper end of tank body passes through bend pipe and dialyzate output
(10) connection is managed, the dialyzate input pipe (9) is connected to by circulating pump two (8) with external dialyzate storage container, described
Dialyzate efferent duct (10) is connected to discarded dialyzate storage container, the input terminal of the circulating pump two (8) and single-chip microcontroller (13)
Output end electrical connection.
5. a kind of Nephrology dept.'s hemodialysis filter according to claim 1, it is characterised in that: the exhaust canister (14)
Gas vent is arranged in upper end, and vacuum pump (17) are arranged at the gas vent, and inlet is arranged in the side of the exhaust canister (14), described
Inlet is connected to by circulating pump one (4) with displacement liquid holding vessel (3), the input of vacuum pump (17) and circulating pump one (4)
End is electrically connected with the output end of single-chip microcontroller (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811247964.0A CN109432527B (en) | 2018-10-25 | 2018-10-25 | Hemodialysis filter for nephrology department |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811247964.0A CN109432527B (en) | 2018-10-25 | 2018-10-25 | Hemodialysis filter for nephrology department |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109432527A true CN109432527A (en) | 2019-03-08 |
| CN109432527B CN109432527B (en) | 2021-05-07 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811247964.0A Active CN109432527B (en) | 2018-10-25 | 2018-10-25 | Hemodialysis filter for nephrology department |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109432527B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110354326A (en) * | 2019-07-30 | 2019-10-22 | 河南科技大学第一附属医院 | A kind of haemodialysis monitoring care device of adjustable filtration yield |
| CN111450340A (en) * | 2020-03-30 | 2020-07-28 | 梁青华 | Hemodialysis filter for nephrology department |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005044339A2 (en) * | 2003-11-05 | 2005-05-19 | Baxter International Inc. | High convection home hemodialysis/hemofiltration and sorbent system |
| US7776006B2 (en) * | 2003-11-05 | 2010-08-17 | Baxter International Inc. | Medical fluid pumping system having real time volume determination |
| CN104321089A (en) * | 2012-09-28 | 2015-01-28 | 甘布罗伦迪亚股份公司 | An apparatus and a method of controlling an extracorporeal blood treatment |
| CN105983147A (en) * | 2015-01-28 | 2016-10-05 | 王寿梅 | Hemodialysis filter for nephrology department |
| CN107376044A (en) * | 2017-09-02 | 2017-11-24 | 梁子余 | A kind of haemodialysis control unit |
-
2018
- 2018-10-25 CN CN201811247964.0A patent/CN109432527B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005044339A2 (en) * | 2003-11-05 | 2005-05-19 | Baxter International Inc. | High convection home hemodialysis/hemofiltration and sorbent system |
| US7776006B2 (en) * | 2003-11-05 | 2010-08-17 | Baxter International Inc. | Medical fluid pumping system having real time volume determination |
| CN104321089A (en) * | 2012-09-28 | 2015-01-28 | 甘布罗伦迪亚股份公司 | An apparatus and a method of controlling an extracorporeal blood treatment |
| CN105983147A (en) * | 2015-01-28 | 2016-10-05 | 王寿梅 | Hemodialysis filter for nephrology department |
| CN107376044A (en) * | 2017-09-02 | 2017-11-24 | 梁子余 | A kind of haemodialysis control unit |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110354326A (en) * | 2019-07-30 | 2019-10-22 | 河南科技大学第一附属医院 | A kind of haemodialysis monitoring care device of adjustable filtration yield |
| CN110354326B (en) * | 2019-07-30 | 2021-06-25 | 河南科技大学第一附属医院 | Hemodialysis monitoring nursing device of adjustable filter capacity |
| CN111450340A (en) * | 2020-03-30 | 2020-07-28 | 梁青华 | Hemodialysis filter for nephrology department |
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| Publication number | Publication date |
|---|---|
| CN109432527B (en) | 2021-05-07 |
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