CN208693887U - A kind of anti-clogging circuit of hemodialyzer - Google Patents
A kind of anti-clogging circuit of hemodialyzer Download PDFInfo
- Publication number
- CN208693887U CN208693887U CN201721835936.1U CN201721835936U CN208693887U CN 208693887 U CN208693887 U CN 208693887U CN 201721835936 U CN201721835936 U CN 201721835936U CN 208693887 U CN208693887 U CN 208693887U
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- China
- Prior art keywords
- valve block
- hole
- way cock
- fixedly connected
- pump housing
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Abstract
The utility model discloses a kind of anti-clogging circuits of hemodialyzer, including control cabinet, the pump housing, circuit board and one-way cock, the other end of drive rod and the left end of connecting rod rotate and connect, and the right end of connecting rod and the left end of push-pull rod rotate and connect, and push-pull rod runs through the left side wall of the pump housing；The pump housing is internally provided with pump chamber, piston membrane is fixed in the middle part of pump chamber, the middle part of piston membrane and the right end of push-pull rod are fixed, and it is locked by fixing rivet, through-hole there are two being set on the right side of the pump housing, nozzle is fixedly connected on the outside of through-hole, the inner end of above-mentioned two through-hole is connected to pump chamber, and the inside of two through-holes is equipped with one-way cock.The utility model has the advantages of simple structure, small with blood contacting surfaces product, prevents blood clotting, reduces the loss of haemocyte, has preferable market prospects.
Description
Technical field
The utility model relates to hemodialyzer field, the anti-clogging circuit of specially a kind of hemodialyzer.
Background technique
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.；Dialysis liquid supply system 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 working principle is that: dialysis is used
The dialyzate that concentrate and water for dialysis are configured to qualification by dialysis liquid supply system is supervised by haemodialyser with blood
It protects the patient blood that warning system is drawn and carries out solute dispersion, infiltration and ultrafiltration；Patient blood after effect passes through blood
It guards warning system to return in patient body, while the liquid after using of dialysing is discharged as waste liquid by dialysis liquid supply system；Constantly
It moves in circles, completes entire dialysis procedure.
Existing hemodialyzer leaves following defect: 1. have the ability of condensation due to blood itself, when there is wound
This function is to seal wound, but in dialysis, blood inputs human body, the case where if there is condensation, such case
There is very big threat to the life of patient.2. the blood that a part is destroyed in the circuit of current dialysis apparatus in the Huis' body that blood is defeated is thin
Born of the same parents, for originally weak patient, even more a kind of consumption is unfavorable for the treatment of patient.
Utility model content
The purpose of this utility model is to provide a kind of anti-clogging circuits of hemodialyzer, to solve above-mentioned background technique
The problem of middle proposition.
To achieve the above object, the utility model provides the following technical solutions: a kind of anti-clogging circuit of hemodialyzer,
Including control cabinet, the pump housing, circuit board and one-way cock, it is fixedly connected on the left of the right side of the control cabinet and the pump housing, the electricity
Road plate is fixed on the inside left of control cabinet by mounting post, and the middle part of sliding channel of control cabinet is fixedly installed with described in servo motor and watches
The shaft for taking motor is fixedly connected with one end of drive rod, and the other end of drive rod and the left end of connecting rod rotate and connect, connection
The right end of bar and the left end of push-pull rod rotate and connect, and push-pull rod runs through the left side wall of the pump housing；
The pump housing is internally provided with pump chamber, and piston membrane, the middle part of piston membrane and the right side of push-pull rod are fixed in the middle part of pump chamber
End is fixed, and is locked by fixing rivet, set on the right side of the pump housing there are two through-hole, be fixedly connected to nozzle on the outside of through-hole,
The inner end of above-mentioned two through-hole is connected to pump chamber, and the inside of two through-holes is equipped with one-way cock；
Superposed one-way cock is connected from right to left, and the one-way cock positioned at lower part is connected from left to right, check valve
One end of door is equipped with outlet, and the other end of one-way cock is equipped with entrance, is fixed with electromagnetism positioned at the inner central section of arrival end and 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 cavity of electromagnetic actuator device, and the left side of permanent magnet is equipped with electromagnetic coil, electromagnetism
Coil is covered in the outside of valve block bar, and valve block bar is fixedly connected with the inner left wall of electromagnetic actuator device, the right side of permanent magnet and multiple
The left end connection of position spring, the right side of reset spring is fixedly connected with the right side inner wall of electromagnetic actuator device.
Preferably, the upper side wall of the control cabinet is provided with heat release hole, and heat release hole is strip-shaped hole, and heat release hole is at least provided with five
It is a, and be uniformly arranged.
Preferably, the left side wall top of the pump chamber offers relief hole, and relief hole is strip-shaped hole.
Preferably, the nozzle is hemi-spherical cavities, and the outer end side of nozzle is equipped with anti-sliding rib.
Preferably, the outlet of the one-way cock is circular hole, and the valve block is disk, and it is straight that the diameter of valve block is greater than outlet
Diameter.
Preferably, the valve block bar is vertically arranged with valve block.
Preferably, the right end polarity when electromagnetic coil is powered is identical as the left end polarity of permanent magnet.
Preferably, the servo motor and circuit board are electrically connected, and the electromagnetic coil and circuit board are electrically connected.
Compared with prior art, the utility model has the beneficial effects that 1. the utility model, which pass through, is added piston membrane structure,
Can be more mild carry out pump blood, avoid using blocking is condensed caused by centrifugal blood pump, since piston membrane is in activity,
Have the function of shaking blood, therefore blood clotting can be prevented, there is the safety of the process for the treatment of compared with major premise height.2. logical
Piston membrane is crossed, can be avoided the damage to haemocyte, to make blood after dialysis, defeated time rate of haemocyte is improved, has
The treatment of sharp patient.In conclusion the utility model has the advantages of simple structure, and it is small with blood contacting surfaces product, blood clotting is prevented, is dropped
The loss of low haemocyte has preferable market prospects.
Detailed description of the invention
Fig. 1 is the utility model structure section view intention；
Fig. 2 is the one-way cock cross-sectional view of the utility model.
In figure: 1 control cabinet, 2 pump housings, 3 circuit boards, 4 mounting posts, 5 servo motors, 6 drive rods, 7 connecting rods, 8 push-pull rods,
9 heat release holes, 10 pump chambers, 11 relief holes, 12 piston membranes, 13 fixing rivets, 14 nozzles, 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 electromagnetic coils, 24 reset springs.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
The utility model provides a kind of technical solution referring to FIG. 1-2: a kind of anti-clogging circuit of hemodialyzer, packet
Control cabinet 1, the pump housing 2, circuit board 3 and one-way cock 16 are included, the right side of control cabinet 1 is fixedly connected with the left side of the pump housing 2, circuit board
3 are fixed on the inside left of control cabinet 1 by mounting post 4, and the middle part of sliding channel of control cabinet 1 is fixedly installed with servo motor 5, servo
The shaft of motor 5 is fixedly connected with one end of drive rod 6, and the other end of drive rod 6 and the left end of connecting rod 7 rotate and connect, even
The right end of extension bar 7 and the left end of push-pull rod 8 rotate and connect, and push-pull rod 8 runs through the left side wall of the pump housing 2；
The pump housing 2 is internally provided with pump chamber 10, and the middle part of pump chamber 10 is fixed with piston membrane 12, the middle part of piston membrane 12 with push away
The right end of pull rod 8 is fixed, and is locked by fixing rivet 13, and the right side of the pump housing 2 is set there are two through-hole, and the outside of through-hole is fixed
It is connected with nozzle 14, the inner end of upper two through-holes is connected to pump chamber 10, and the inside of two through-holes is equipped with one-way cock 16；
Superposed one-way cock 16 is connected from right to left, and the one-way cock 16 positioned at lower part is connected from left to right, single
It is equipped with outlet 17 to one end of valve 16, the other end of one-way cock 16 is equipped with entrance 18, the medial center positioned at 18 end of entrance
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 end of valve block bar 20 is fixedly connected with permanent magnet 22, and permanent magnet 22 is located at electromagnetic actuator device 19
The left side of inner cavity, permanent magnet 22 is equipped with electromagnetic coil 23,23 sets of the electromagnetic coil outsides in valve block bar 20, valve block bar 20 and electromagnetism
The inner left wall of driving device 19 is fixedly connected, and the right side of permanent magnet 22 is connect with the left end of reset spring 24, reset spring 24
Right side be fixedly connected with the right side inner wall of electromagnetic actuator device 19.
The upper side wall of control cabinet 1 is provided with heat release hole 9, and heat release hole 9 is strip-shaped hole, heat release hole 9 at least provided with five, and
It is uniformly arranged.Heat release hole 9 is for radiating to servo motor 5.The left side wall top of pump chamber 10 offers relief hole 11, pressure release
Hole 11 is strip-shaped hole.The pressure change that relief hole 11 is used for when piston membrane 12 is run timely is balanced, and servo electricity is reduced
The load of machine 5.Nozzle 14 is hemi-spherical cavities, and the outer end side of nozzle 14 is equipped with anti-sliding rib 15.Nozzle 14 is for connecting blood transfusion
Pipeline, anti-sliding rib 15 be used for improves transfuse blood pipeline frictional force, prevent shedding at runtime.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 greater than 17 diameters of outlet.When needing to close, control valve block 21 will go out
Mouth 17 is blocked, and when needing to be connected, valve block 21 leaves outlet 17, and one-way cock 16 is connected.Valve block bar 20 is vertical with valve block 21 to be set
It sets.Right end polarity when electromagnetic coil 23 is powered is identical as the left end polarity of permanent magnet 22.Servo motor 5 and circuit board 3 are electrically
Connection, electromagnetic coil 23 and circuit board 3 are electrically connected.
Working principle: when in use, the nozzle 14 of upside is connect with the input pipe of blood, the nozzle 14 and blood of downside
Efferent duct connection after servo motor 5 is opened, drives drive rod 6 to rotate centered on the shaft of servo motor 5, by connection
The drive of bar 7 is able to drive the reciprocating motion that push-pull rod 8 carries out left and right directions, and push-pull rod 8 drives piston membrane 12 to move, in work
When plug film 12 moves to the left, the one-way cock 16 of upside is connected, and the one-way cock 16 of downside is closed, and draws blood into pump chamber 10
Liquid, when piston membrane 12 moves to the right, the one-way cock 16 of upside closes logical, the conducting of one-way cock 16 of downside, piston membrane
12 blood squeezed in pump chamber 10 are flowed out from the one-way cock 16 of downside, complete a cycle.The conducting of one-way cock 16 and pass
It closes and is mainly controlled by electromagnetic coil 23, when needing to open, electromagnetic coil 23 is powered, band moving valve plate mutually exclusive with permanent magnet 22
21 open, and when needing to close, electromagnetic coil 23 is powered off, and under the promotion of reset spring 24, band moving valve plate 21 will go out permanent magnet 22
Mouth 17 is closed.The simple structure of the utility model, performance are stablized, are capable of the function of anti-human heart, prevent blood stagnation from blocking,
The damage of haemocyte is reduced, there are preferable market prospects.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (8)
1. a kind of anti-clogging circuit of hemodialyzer, including control cabinet (1), the pump housing (2), circuit board (3) and one-way cock
(16), it is fixedly connected on the left of the right side with the pump housing (2) of the control cabinet (1), the circuit board (3) is solid by mounting post (4)
It is scheduled on the inside left of control cabinet (1), the middle part of sliding channel of control cabinet (1) is fixedly installed with servo motor (5), it is characterised in that:
The shaft of the servo motor (5) is fixedly connected with one end of drive rod (6), the other end and connecting rod (7) of drive rod (6)
Left end rotation connection, the right end of connecting rod (7) and the left end of push-pull rod (8) rotate and connect, and push-pull rod (8) is through the pump housing (2)
Left side wall；
Being internally provided with pump chamber (10) for the pump housing (2), is fixed with piston membrane (12) in the middle part of pump chamber (10), in piston membrane (12)
The right end in portion and push-pull rod (8) is fixed, and is locked by fixing rivet (13), sets that there are two through-hole, through-holes on the right side of the pump housing (2)
Outside be fixedly connected to nozzle (14), the inner end of above-mentioned two through-hole is connected to pump chamber (10), and the inside of two through-holes is equal
Equipped with one-way cock (16)；
Superposed one-way cock (16) is connected from right to left, and the one-way cock (16) positioned at lower part is connected from left to right, single
It is equipped with outlet (17) to one end of valve (16), the other end of one-way cock (16) is equipped with entrance (18), is located at entrance (18) and holds
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 end of valve block bar (20) is fixedly connected with permanent magnet (22), permanent magnetism
Body (22) is located at the inner cavity of electromagnetic actuator device (19), and the left side of permanent magnet (22) is equipped with electromagnetic coil (23), electromagnetic coil
(23) outside in valve block bar (20) is covered, 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 connect with the left end of reset spring (24), the right side of reset spring (24) and the right side of electromagnetic actuator device (19)
Side inner wall is fixedly connected.
2. a kind of anti-clogging circuit of hemodialyzer according to claim 1, it is characterised in that: the control cabinet (1)
Upper side wall be provided with heat release hole (9), heat release hole (9) is strip-shaped hole, and heat release hole (9) is uniformly arranged at least provided with five.
3. a kind of anti-clogging circuit 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 strip-shaped hole.
4. a kind of anti-clogging circuit of hemodialyzer according to claim 1, it is characterised in that: the nozzle (14) is
The outer end side of hemi-spherical cavities, nozzle (14) is equipped with anti-sliding rib (15).
5. a kind of anti-clogging circuit 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 greater than outlet (17) diameter.
6. a kind of anti-clogging circuit of hemodialyzer according to claim 1, it is characterised in that: the valve block bar (20)
It is vertically arranged with valve block (21).
7. a kind of anti-clogging circuit of hemodialyzer according to claim 1, it is characterised in that: the electromagnetic coil
(23) right end polarity when being powered is identical as the left end polarity of permanent magnet (22).
8. a kind of anti-clogging circuit of hemodialyzer according to claim 1, it is characterised in that: the servo motor
(5) it is electrically connected with circuit board (3), the electromagnetic coil (23) and circuit board (3) are electrically connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721835936.1U CN208693887U (en) | 2017-12-25 | 2017-12-25 | A kind of anti-clogging circuit of hemodialyzer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721835936.1U CN208693887U (en) | 2017-12-25 | 2017-12-25 | A kind of anti-clogging circuit of hemodialyzer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208693887U true CN208693887U (en) | 2019-04-05 |
Family
ID=65913349
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721835936.1U Expired - Fee Related CN208693887U (en) | 2017-12-25 | 2017-12-25 | A kind of anti-clogging circuit of hemodialyzer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208693887U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110038172A (en) * | 2019-05-21 | 2019-07-23 | 东莞市迈华电子科技有限公司 | Drawing liquid pump |
| CN111450385A (en) * | 2020-04-07 | 2020-07-28 | 吉林大学 | Trachea purifies nursing device for department of respiration |
-
2017
- 2017-12-25 CN CN201721835936.1U patent/CN208693887U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110038172A (en) * | 2019-05-21 | 2019-07-23 | 东莞市迈华电子科技有限公司 | Drawing liquid pump |
| CN110038172B (en) * | 2019-05-21 | 2024-05-03 | 东莞市迈华电子科技有限公司 | Liquid pump |
| CN111450385A (en) * | 2020-04-07 | 2020-07-28 | 吉林大学 | Trachea purifies nursing device for department of respiration |
| CN111450385B (en) * | 2020-04-07 | 2021-04-09 | 吉林大学 | Trachea purifies nursing device for department of respiration |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190405 Termination date: 20201225 |