CN107854742A - A kind of anti-clogging loop of hemodialyzer - Google Patents
A kind of anti-clogging loop of hemodialyzer Download PDFInfo
- Publication number
- CN107854742A CN107854742A CN201711422369.1A CN201711422369A CN107854742A CN 107854742 A CN107854742 A CN 107854742A CN 201711422369 A CN201711422369 A CN 201711422369A CN 107854742 A CN107854742 A CN 107854742A
- Authority
- CN
- China
- Prior art keywords
- valve block
- clogging
- loop
- hole
- way cock
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
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Classifications
-
- 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
- A61M1/1621—Constructional aspects thereof
- A61M1/1623—Disposition or location of membranes relative to fluids
-
- 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
- A61M1/1621—Constructional aspects thereof
- A61M1/1631—Constructional aspects thereof having non-tubular membranes, e.g. sheets
-
- 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
- A61M1/1621—Constructional aspects thereof
- A61M1/1635—Constructional aspects thereof with volume chamber balancing devices between used and fresh dialysis fluid
Abstract
The invention discloses a kind of anti-clogging loop of hemodialyzer, including control cabinet, the pump housing, circuit board and one-way cock, the other end of drive rod is rotatably connected with the left end of connecting rod, and the right-hand member of connecting rod is rotatably connected with the left end of pull bar, and pull bar runs through the left side wall of the pump housing;The pump housing is internally provided with pump chamber, pump chamber is fixedly arranged in the middle of piston membrane, the middle part of piston membrane and the right-hand member of pull bar are fixed, and locked by fixing rivet, the right side of the pump housing is provided with two through holes, the mouth of pipe is fixedly connected with the outside of through hole, the inner of above-mentioned two through hole connects with pump chamber, and the inside of two through holes is equipped with one-way cock.The structure of the present invention is simple, small with blood contacting surfaces product, prevents blood clotting, reduces the loss of haemocyte, has preferable market prospects.
Description
Technical field
The present invention relates to hemodialyzer field, the anti-clogging loop of specially a kind of hemodialyzer.
Background technology
Hemodialyzer is divided into blood monitoring warning system and dialysis liquid supply system two parts.Blood guards warning system
Including blood pump, heparin pump, the monitoring of sound pulse pressure and air monitering etc.;Liquid supply system of dialysing includes temperature control system, with liquid
The parts such as system, off gas system, monitored conductivity system, ultrafiltration monitoring and leakage blood monitoring form.Its operation principle is:Dialysis is used
Concentrate and water for dialysis are configured to qualified dialyzate by dialysis liquid supply system, by haemodialyser, are supervised with blood
Protect the patient blood that warning system is drawn and carry out solute dispersion, infiltration and ultrafiltration;Patient blood after effect passes through blood
Guard warning system to return in patient body, while the liquid after of dialysing is discharged as waste liquid by dialysis liquid supply system;Constantly
Move in circles, complete whole dialysis procedure.
Existing hemodialyzer leaves following defect:1. because blood has the ability condensed in itself, when there is wound
This function be in order to seal wound, but in dialysis, blood input human body, if there is the situation of condensation, such case
There is very big threat to the life of patient.2. the blood that a part is destroyed in the loop of current dialysis apparatus in the Huis' body that blood is defeated is thin
Born of the same parents, for originally weak patient, it is even more a kind of consumption, is unfavorable for the treatment of patient.
The content of the invention
It is an object of the invention to provide a kind of anti-clogging loop of hemodialyzer, to solve to carry in above-mentioned background technology
The problem of going out.
To achieve the above object, the present invention provides following technical scheme:A kind of anti-clogging loop of hemodialyzer, including
Control cabinet, the pump housing, circuit board and one-way cock, the right side of the control cabinet on the left of the pump housing with being fixedly connected, the circuit board
The inside left of control cabinet is fixed on by mounting post, the middle part of sliding channel of control cabinet is installed with servo electricity described in servomotor
The rotating shaft of machine is fixedly connected with one end of drive rod, and the other end of drive rod is rotatably connected with the left end of connecting rod, connecting rod
Right-hand member is rotatably connected with the left end of pull bar, and pull bar runs through the left side wall of the pump housing;
The pump housing is internally provided with pump chamber, and pump chamber is fixedly arranged in the middle of piston membrane, the middle part of piston membrane and the right side of pull bar
End is fixed, and is locked by fixing rivet, and the right side of the pump housing is provided with two through holes, and the mouth of pipe has been fixedly connected with the outside of through hole,
The inner of above-mentioned two through hole connects with pump chamber, and the inside of two through holes is equipped with one-way cock;
Superposed one-way cock turns on from right to left, and the one-way cock positioned at bottom turns on from left to right, check valve
One end of door is provided with outlet, and the other end of one-way cock is provided with entrance, and being fixed with electromagnetism positioned at the inner central section of arrival end drives
Dynamic device, the left side wall of electromagnetic actuator device is through there is valve block bar, and the left end of valve block bar is fixedly connected with valve block, the right side of valve block bar
End is fixedly connected with permanent magnet, and permanent magnet is located at the inner chamber of electromagnetic actuator device, and the left side of permanent magnet is provided with magnet coil, electromagnetism
Coil is enclosed on the outside of valve block bar, and valve block bar is fixedly connected with the inner left wall of electromagnetic actuator device, and the right side of permanent magnet is with answering
The left end connection of position spring, the right side of back-moving spring is fixedly connected with the right side inwall of electromagnetic actuator device.
Preferably, the upper side wall of the control cabinet is provided with heat emission hole, and heat emission hole is bar hole, and heat emission hole is at least provided with five
It is individual, and be uniformly arranged.
Preferably, the left side wall top of the pump chamber offers relief hole, and relief hole is bar hole.
Preferably, the mouth of pipe is hemi-spherical cavities, and the outer end side of the mouth of pipe is provided with anti-sliding rib.
Preferably, the outlet of the one-way cock is circular hole, and the valve block is disk, and the diameter of valve block is more than outlet directly
Footpath.
Preferably, the valve block bar is vertically arranged with valve block.
Preferably, the right-hand member polarity when magnet coil is powered is identical with the left end polarity of permanent magnet.
Preferably, the servomotor is electrically connected with circuit board, and the magnet coil is electrically connected with circuit board.
Compared with prior art, the beneficial effects of the invention are as follows:1. the present invention, can be more by adding piston membrane structure
Gentle carry out pump blood, avoid condensing blocking caused by using centrifugal blood pump, because piston membrane is in activity, has and rock
The effect of blood, therefore blood clotting can be prevented, have the security of the process for the treatment of compared with major premise height.2. pass through piston
Film, the damage to haemocyte can be avoided, so that blood after dialysis, improves defeated time rate of haemocyte, favourable patient
Treatment.In summary, structure of the invention is simple, small with blood contacting surfaces product, prevents blood clotting, reduces haemocyte
Loss, has preferable market prospects.
Brief description of the drawings
Fig. 1 is intended to for structure section view of the present invention;
Fig. 2 is the one-way cock sectional view of the present invention.
In figure:1 control cabinet, 2 pump housings, 3 circuit boards, 4 mounting posts, 5 servomotors, 6 drive rods, 7 connecting rods, 8 pull bars,
9 heat emission holes, 10 pump chambers, 11 relief holes, 12 piston membranes, 13 fixing rivets, 14 mouths of pipe, 15 anti-sliding ribs, 16 one-way cocks, 17 go out
Mouth, 18 entrances, 19 electromagnetic actuator devices, 20 valve block bars, 21 valve blocks, 22 permanent magnets, 23 magnet coils, 24 back-moving springs.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
Fig. 1-2 is referred to, the present invention provides a kind of technical scheme:A kind of anti-clogging loop of hemodialyzer, including control
Case 1, the pump housing 2, circuit board 3 and one-way cock 16 processed, the right side of control cabinet 1 are fixedly connected with the left side of the pump housing 2, and circuit board 3 is logical
The inside left that mounting post 4 is fixed on control cabinet 1 is crossed, the middle part of sliding channel of control cabinet 1 is installed with servomotor 5, servo electricity
The rotating shaft of machine 5 is fixedly connected with one end of drive rod 6, and the other end of drive rod 6 is rotatably connected with the left end of connecting rod 7, connection
The right-hand member of bar 7 is rotatably connected with the left end of pull bar 8, and pull bar 8 runs through the left side wall of the pump housing 2;
The pump housing 2 is internally provided with pump chamber 10, and pump chamber 10 is fixedly arranged in the middle of piston membrane 12, and the middle part of piston membrane 12 is with pushing away
The right-hand member of pull bar 8 is fixed, and is locked by fixing rivet 13, and the right side of the pump housing 2 is provided with two through holes, and the outside of through hole is fixed
The mouth of pipe 14 is connected with, the inner of upper two through holes connects with pump chamber 10, and the inside of two through holes is equipped with one-way cock 16;
Superposed one-way cock 16 turns on from right to left, and the one-way cock 16 positioned at bottom turns on from left to right, single
Outlet 17 is provided with to one end of valve 16, the other end of one-way cock 16 is provided with entrance 18, the medial center positioned at the end of entrance 18
Portion is fixed with electromagnetic actuator device 19, the left side wall of electromagnetic actuator device 19 through there is a valve block bar 20, the left end of valve block bar 20 with
Valve block 21 is fixedly connected, and the right-hand member of valve block bar 20 is fixedly connected with permanent magnet 22, and permanent magnet 22 is located at electromagnetic actuator device 19
Inner chamber, the left side of permanent magnet 22 are provided with magnet coil 23, and magnet coil 23 is enclosed on the outside of valve block bar 20, valve block bar 20 and electromagnetism
The inner left wall of drive device 19 is fixedly connected, and the right side of permanent magnet 22 is connected with the left end of back-moving spring 24, back-moving spring 24
Right side be fixedly connected with the right side inwall of electromagnetic actuator device 19.
The upper side wall of control cabinet 1 is provided with heat emission hole 9, and heat emission hole 9 is bar hole, heat emission hole 9 at least provided with five, and
It is uniformly arranged.Heat emission hole 9 is used to radiate to servomotor 5.The left side wall top of pump chamber 10 offers relief hole 11, pressure release
Hole 11 is bar hole.The pressure change that relief hole 11 is used for when piston membrane 12 is run timely is balanced, and reduces servo electricity
The load of machine 5.The mouth of pipe 14 is hemi-spherical cavities, and the outer end side of the mouth of pipe 14 is provided with anti-sliding rib 15.The mouth of pipe 14, which is used to connect, transfuses blood
Pipeline, anti-sliding rib 15 be used for improve blood transfusion pipeline frictional force, prevent operationally shedding.The outlet of one-way cock 16
17 be circular hole, and valve block 21 is disk, and the diameter of valve block 21 is more than 17 diameters of outlet.When needing closing, control valve block 21 will go out
Mouth 17 is blocked, it is necessary to when turning on, and valve block 21 leaves outlet 17, and one-way cock 16 is turned on.Valve block bar 20 is vertical with valve block 21 to be set
Put.Right-hand member polarity when magnet coil 23 is powered is identical with the left end polarity of permanent magnet 22.Servomotor 5 and circuit board 3 are electrical
Connection, magnet coil 23 are electrically connected with circuit board 3.
Operation principle:When in use, the mouth of pipe 14 of upside is connected with the input pipe of blood, the mouth of pipe 14 and blood of downside
Efferent duct connects, and after servomotor 5 is opened, drives drive rod 6 to be rotated centered on the rotating shaft of servomotor 5, by connection
The drive of bar 7, pull bar 8 can be driven to carry out the reciprocating motion of left and right directions, pull bar 8 drives piston membrane 12 to move, in work
When filling in the lateral movement to the left of film 12, the one-way cock 16 of upside is turned on, and the one-way cock 16 of downside is closed, and blood is drawn into pump chamber 10
Liquid, when 12 lateral movement to the right of piston membrane, the one-way cock 16 of upside, which is closed, to be led to, and the one-way cock 16 of downside turns on, piston membrane
Blood in 12 extruding pump chambers 10 flows out from the one-way cock 16 of downside, completes a cycle.The conducting of one-way cock 16 and pass
Close and mainly controlled by magnet coil 23, it is necessary to when opening, magnet coil 23 is powered, mutually exclusive with permanent magnet 22, band moving valve plate
21 open, it is necessary to when closing, and magnet coil 23 powers off, and under the promotion of back-moving spring 24, band moving valve plate 21 will go out permanent magnet 22
Mouth 17 is closed.The simple structure of the present invention, stable performance, is capable of the function of anti-human heart, prevents blood stagnation from blocking, and reduces
The damage of haemocyte, there are preferable market prospects.
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 changes, modification can be carried out to these embodiments, replace 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 (8)
1. a kind of anti-clogging loop of hemodialyzer, including control cabinet (1), the pump housing (2), circuit board (3) and one-way cock
(16), with being fixedly connected on the left of the pump housing (2), the circuit board (3) is solid by mounting post (4) on the right side of the control cabinet (1)
The inside left of control cabinet (1) is scheduled on, the middle part of sliding channel of control cabinet (1) is installed with servomotor (5), it is characterised in that:
The rotating shaft of the servomotor (5) is fixedly connected with one end of drive rod (6), the other end and the connecting rod (7) of drive rod (6)
Left end is rotatably connected, and the right-hand member of connecting rod (7) is rotatably connected with the left end of pull bar (8), and pull bar (8) is through the pump housing (2)
Left side wall;
The pump housing (2) is internally provided with pump chamber (10), and pump chamber (10) is fixedly arranged in the middle of piston membrane (12), in piston membrane (12)
The right-hand member in portion and pull bar (8) is fixed, and is locked by fixing rivet (13), and the right side of the pump housing (2) is provided with two through holes, through hole
Outside be fixedly connected with the mouth of pipe (14), the inner of above-mentioned two through hole connects with pump chamber (10), and the inside of two through holes is equal
Provided with one-way cock (16);
Superposed one-way cock (16) turns on from right to left, and the one-way cock (16) positioned at bottom turns on from left to right, single
Outlet (17) is provided with to one end of valve (16), the other end of one-way cock (16) is provided with entrance (18), is held positioned at entrance (18)
Inner central section be fixed with electromagnetic actuator device (19), the left side wall of electromagnetic actuator device (19) through there is valve block bar (20),
The left end of valve block bar (20) is fixedly connected with valve block (21), and the right-hand member of valve block bar (20) is fixedly connected with permanent magnet (22), permanent magnetism
Body (22) is located at the inner chamber of electromagnetic actuator device (19), and the left side of permanent magnet (22) is provided with magnet coil (23), magnet coil
(23) outside of valve block bar (20) is enclosed on, valve block bar (20) is fixedly connected with the inner left wall of electromagnetic actuator device (19), permanent magnetism
The right side of body (22) is connected with the left end of back-moving spring (24), the right side of back-moving spring (24) and the right side of electromagnetic actuator device (19)
Side inwall is fixedly connected.
A kind of 2. anti-clogging loop of hemodialyzer according to claim 1, it is characterised in that:The control cabinet (1)
Upper side wall be provided with heat emission hole (9), heat emission hole (9) is bar hole, and heat emission hole (9) is uniformly arranged at least provided with five.
A kind of 3. anti-clogging loop of hemodialyzer according to claim 1, it is characterised in that:The pump chamber (10)
Left side wall top offers relief hole (11), and relief hole (11) is bar hole.
A kind of 4. anti-clogging loop of hemodialyzer according to claim 1, it is characterised in that:The mouth of pipe (14) is
Hemi-spherical cavities, the outer end side of the mouth of pipe (14) are provided with anti-sliding rib (15).
A kind of 5. anti-clogging loop of hemodialyzer according to claim 1, it is characterised in that:The one-way cock
(16) outlet (17) is circular hole, and the valve block (21) is disk, and the diameter of valve block (21) is more than outlet (17) diameter.
A kind of 6. anti-clogging loop of hemodialyzer according to claim 1, it is characterised in that:The valve block bar (20)
It is vertically arranged with valve block (21).
A kind of 7. anti-clogging loop of hemodialyzer according to claim 1, it is characterised in that:The magnet coil
(23) right-hand member polarity when being powered is identical with the left end polarity of permanent magnet (22).
A kind of 8. anti-clogging loop of hemodialyzer according to claim 1, it is characterised in that:The servomotor
(5) it is electrically connected with circuit board (3), the magnet coil (23) is electrically connected with circuit board (3).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201711422369.1A CN107854742A (en) | 2017-12-25 | 2017-12-25 | A kind of anti-clogging loop of hemodialyzer |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201711422369.1A CN107854742A (en) | 2017-12-25 | 2017-12-25 | A kind of anti-clogging loop of hemodialyzer |
Publications (1)
Publication Number | Publication Date |
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CN107854742A true CN107854742A (en) | 2018-03-30 |
Family
ID=61707393
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201711422369.1A Withdrawn CN107854742A (en) | 2017-12-25 | 2017-12-25 | A kind of anti-clogging loop of hemodialyzer |
Country Status (1)
Country | Link |
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CN (1) | CN107854742A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111821529A (en) * | 2019-04-18 | 2020-10-27 | 段勇 | Nephrology dept is with novel hemodialysis conversion device |
-
2017
- 2017-12-25 CN CN201711422369.1A patent/CN107854742A/en not_active Withdrawn
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111821529A (en) * | 2019-04-18 | 2020-10-27 | 段勇 | Nephrology dept is with novel hemodialysis conversion device |
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Application publication date: 20180330 |