CN208893293U - A kind of blood purification system - Google Patents
A kind of blood purification system Download PDFInfo
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- CN208893293U CN208893293U CN201721562793.1U CN201721562793U CN208893293U CN 208893293 U CN208893293 U CN 208893293U CN 201721562793 U CN201721562793 U CN 201721562793U CN 208893293 U CN208893293 U CN 208893293U
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Abstract
The utility model discloses a kind of blood purification system, belong to blood processing apparatus field, including apparatus for purifying blood, blood flow reversing arrangement, the blood inlet end of the apparatus for purifying blood, blood exit port are separately connected pipeline A, pipeline B, it further include the pipeline C being connect with patient, pipeline D, the pipeline A, pipeline B, pipeline C, pipeline D are connected to the blood flow reversing arrangement respectively；In a state, pipeline A is connected to the blood flow reversing arrangement with pipeline C, and pipeline B is connected to pipeline D；In another state, pipeline A is connected to the blood flow reversing arrangement with pipeline D, and pipeline B is connected to pipeline C, and the pipeline C, pipeline D are respectively connected with branch pipe, and branch pipe is equipped with lid.The utility model can quickly accomplish that blood flow commutates, and can effectively avoid thrombosis, avoid infection, reduce the clarification time, improve nursing efficiency, while also facilitate tonic, blood drawing sampling operation.
Description
Technical field
The utility model relates to blood processing apparatus field more particularly to a kind of blood purification systems.
Background technique
Blood purification technology is the acute or chronic renal failure therapeutic modality the most main for the treatment of, what which realized
On condition that being necessary for patient establishes unobstructed vascular access.It is shown according to epidemiology, haemodialysis double channel catheter is acute at present
Or one of the vascular access that chronic renal failure is the most commonly used, two channel of blood flow of one-in-and-one-out are formed with double channel catheter.So
And over the course for the treatment of, often due to double channel catheter cause human bloodstream cannot outside normal lead body or return in vivo, from
And the unexpected of blood purification treatment is caused to terminate.Clinician often pass through attempt adjustment vascular access connection type have reached after
The purpose of continuous treatment, most common mode is to be reversely connected pipeline, so that its blood flow direction is changed, so that blood flow reaches smoothly
It operates again.But there are some clinical problems and medical hidden danger in time operation, and such as: 1, need long period (5-
30min) suspend blood purification treatment, adverse effect may be caused to the therapeutic effect of patient；2, the operation is open operation,
The blood of patient can be exposed to for a long time outside lumen or in air, and there are the risks of hospital-acquired infection and thrombosis；3, by
In operating process, the blood pump of blood purification machine is in halted state, and the blood in too long operating time conduit cavity holds
Easily form thrombus and along intracavitary sprawling, the Deep venou for even resulting in patient forms thrombus, and may cause Embolic events；4, by
During actual therapeutic, it may be necessary to reversal connection be repeated, so that the manipulation strength of nursing becomes larger, cause cost of human resources
Greatly waste.
In addition to this, it during blood purification treatment, often needs to additionally set up channel and carries out filling into or drawing blood for medical fluid
Sampling often needs to connect threeway in the outlet end of double channel catheter.But this method will lead to potential medical hidden danger: 1, threeway
Connection is easy to loosen, and blood and liquid spill, or even connection is caused to disconnect and cause serious adverse events；2, the liquid outflow of threeway
Bore is much smaller than double channel catheter bore, is easy to cause blood shearing force to increase, is easy to cause thrombosis；3, the operation nursed is strong
Degree increases, and is easy to cause hospital-acquired infection.
Utility model content
The utility model is intended to provide a kind of blood purification system, is able to solve the problem of inverted takeover passes by journey,
Thrombosis can be effectively avoided, is avoided infection, is reduced the clarification time, improves nursing efficiency.
In order to achieve the above objectives, the technical solution adopted in the utility model is as follows: a kind of blood purification system, including blood
Purification device, blood flow reversing arrangement, the blood inlet end of the apparatus for purifying blood, blood exit port are separately connected pipeline A, pipe
Road B further includes the pipeline C connecting with patient, pipeline D, and the pipeline A, pipeline B, pipeline C, pipeline D are changed with the blood flow respectively
It is connected to device；In a state, pipeline A is connected to the blood flow reversing arrangement with pipeline C, and pipeline B is connected to pipeline D；Institute
Blood flow reversing arrangement is stated in another state, pipeline A is connected to pipeline D, and pipeline B is connected to pipeline C.
Further, the pipeline C, pipeline D are respectively connected with branch pipe, and branch pipe is equipped with lid.
Preferably, the blood flow reversing arrangement is rotary reversing device, including body part, and the body part top surface is equipped with blind
Hole, the side wall of blind hole are equipped with a circle along the groove of blind hole circumferential direction, and body portion sidewalls set that there are four interface, four interfaces
It is connected to the groove, four interfaces are located in four quadrants of the same coordinate system；Core, core are equipped in the blind hole
Portion and body part are rotatablely connected, and the side wall of core sets the protrusion there are two face, and the protrusion is adapted with groove.
Further, the top of the core is equipped with knob.
Further, the knob is slidably connected with core, and sliding slot is equipped at the top of core, and knob is adapted with sliding slot, institute
Sliding slot is stated through the side wall of core and extends to body part top surface.
Further, sealing element is equipped between the blind hole and core, between the protrusion and groove.
Preferably, the blood flow reversing arrangement is rotary reversing device, including the first noumenon and the second ontology, described first
The end face of ontology is equipped with fixing axle, and the end face of the second ontology is equipped with axis hole compatible with fixing axle, the first noumenon end face and the
The connection that two ontology end faces are mutually rotated by the fixing axle, the first noumenon end face are equipped with through-hole a and through-hole b, the second ontology
End face is equipped with through-hole c and through-hole d, the through-hole a, through-hole b, through-hole c, through-hole d each parallel to fixing axle, through-hole a, through-hole b, leads to
Hole c, the radius of gyration of through-hole d are equal.
Further, the side wall of the first noumenon and/or the second ontology is equipped with handle.
Second ontology is equipped with pin shaft, sets that there are two pins compatible with the pin shaft on the first noumenon end face
Hole, pin shaft run through the second ontology, and described two pin holes are symmetrical arranged about fixing axle.
Further, set on the end face of the first noumenon there are two sealing ring, two sealing rings respectively with through-hole a, logical
Hole b is concentric, and the diameter of two sealing rings is respectively greater than the diameter of the diameter of through-hole a, through-hole b.
Preferably, the blood flow reversing arrangement includes connecting tube a, connecting tube b, connecting tube c, connecting tube d, the pipeline A
It is connected to by connecting tube a, connecting tube b with the pipeline C, pipeline D, the pipeline B passes through connecting tube c, connecting tube d and the pipe
Connecting tube a, road C, pipeline D connection connecting tube b, connecting tube c, are equipped with flow-stopping clip on connecting tube d.
Preferably, the apparatus for purifying blood is hsempdiakysing systems.
Preferably, shown pipeline C and pipeline D is two branch lines of same double channel catheter.
The utility model has the following beneficial effects:
1, the setting of blood reversing arrangement can be effectively solved existing thrombosis, infection during pipeline reversal connection
Risk, while also have the function of reduce the clarification time, improve nursing efficiency；
2, the setting of branch pipe and lid has the function of facilitating tonic and blood drawing sampling；
3, the setting of the blood reversing arrangement of rotation commutation has and further increases nursing efficiency, reduces the clarification time
Effect.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model；
Fig. 2 is the blood flow reversing arrangement structural schematic diagram of embodiment one；
Fig. 3 is A-A view in Fig. 2；
Fig. 4 is that the blood flow reversing arrangement of embodiment one uses schematic diagram；
Fig. 5 is the blood flow reversing arrangement structural schematic diagram of embodiment two；
Fig. 6 is that the blood flow reversing arrangement of embodiment two uses schematic diagram；
Fig. 7 is the blood flow reversing arrangement structural schematic diagram of embodiment three.
In figure: 1- apparatus for purifying blood, 2- blood reversing arrangement, 3- pipeline A, 4- pipeline B, 5- pipeline C, 6- pipeline D, 7-
Branch pipe, 8- lid, 21- body part, 22- blind hole, 23- groove, 24- interface, 25- core, 26- protrusion, 27- knob, 200- pin
Axis, 210- the first noumenon, 220- through-hole a, 230- through-hole b, 240- sealing ring, the second ontology of 250-, 260- through-hole c, 270- are logical
Hole d, 280- fixing axle, 290- handle, 201- connecting tube a, 202- connecting tube b, 203- connecting tube c, 204- connecting tube d, 205-
Flow-stopping clip.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing, to this reality
It is further elaborated with novel.
Embodiment one:
As shown in Figure 1, a kind of blood purification system, including apparatus for purifying blood 1, blood flow reversing arrangement 2, the blood are net
Makeup set 1 blood inlet end, blood exit port is separately connected pipeline A3, pipeline B4, further include the pipeline C5 being connect with patient,
Pipeline D6, the pipeline A3, pipeline B4, pipeline C5, pipeline D6 are connected to the blood flow reversing arrangement 2 respectively；The blood flow changes
To device 2 in a state, pipeline A3 is connected to pipeline C5, and pipeline B4 is connected to pipeline D6；The blood flow reversing arrangement 2 exists
When another state, pipeline A3 is connected to pipeline D6, and pipeline B4 is connected to pipeline C5.
The pipeline C5, pipeline D6 are the branch line of double channel catheter.
The pipeline C5, pipeline D6 are respectively connected with branch pipe 7, and branch pipe 7 is equipped with lid 8, and lid 8 and branch pipe 7 are tightly connected.
In order to not form blood shearing force when guaranteeing that blood flows in pipeline, the pipeline A3, pipeline B4, pipeline C5,
The diameter of pipeline D6 is equal.
As shown in Figure 2 and Figure 3, the blood flow reversing arrangement 2 is rotary reversing device, including cylindrical body part 21, institute
21 top surface of body part is stated equipped with blind hole 22, the side wall of blind hole 22 is equipped with groove 23 of the circle along 22 circumferential direction of blind hole, body part
21 side walls are set there are four interface 24, and four interfaces 24 are connected to the groove 23, and four interfaces 24 are located at same
In four quadrants of coordinate system, four interfaces 24 are evenly distributed on 21 side wall of body part with 90 ° of intervals, and four interfaces 24 are distinguished
Connecting line A3, pipeline B4, pipeline C5, pipeline D6, wherein pipeline A3 and pipeline B4 face, pipeline C5 and pipeline D6 face；
It is equipped with core 25 in the blind hole 22, core 25 is adapted with blind hole 22, and core 25 and body part 21 are rotatablely connected,
The side wall of core 25 sets the protrusion 26 there are two face, and described raised 26 are adapted with groove 23；The section of the groove 23 is
Arc or rectangle.
Between the blind hole 22 and core 25, described raised 26 and groove 23 between be equipped with sealing element.
For the ease of using, the top of the core 25 is equipped with knob 27.
Core 25 rotates when blood flow in order to prevent, and the knob 27 is slidably connected with core 25, the core
25 tops are equipped with sliding slot, and knob 27 is adapted with sliding slot, and the sliding slot runs through the opposing sidewalls of core 25 and extends to body part
21 top surfaces, there are four the sliding slots on 21 top surface of body part, and four sliding slots are set at 90 ° intervals, when knob 27 and 21 top surface of body part
On one of sliding slot cooperation when, the pipeline A3 is connected to pipeline C5, and pipeline B4 is connected to pipeline D6；When knob 27 and this
When another sliding slot on 21 top surface of body portion cooperates, the pipeline A3 is connected to pipeline D6, and pipeline B4 is connected to pipeline C5.
The diameter of the interface 24 is equal with pipeline A3, pipeline B4, pipeline C5, the diameter of pipeline D6.
The area of section of the groove 23 and the inner wall section area equation of interface 24.
In use, a port of pipeline A3, pipeline B4, pipeline C5, pipeline D6 are connected respectively to apparatus for purifying blood 1
On patient；As shown in figure 4, another port of pipeline A3, pipeline B4 are connected on the interface 24 of two faces again,
Another port of pipeline C5, pipeline D6 are connected on the interface 24 of other two face, turning knob 27 makes pipeline
A3 and pipeline C5 is located at the side of protrusion 26, and pipeline B4 and pipeline D6 are located at the other side of protrusion 26, sliding knob 27 to ontology
On the sliding slot of 21 top surface of portion, core 25, which is fixed, not to be able to rotate；Start apparatus for purifying blood 1, start for patient carry out blood it is net
Change, blood flows into apparatus for purifying blood 1 through pipe C5, groove 23, pipeline A3 from the patient at this time, and after purified, blood passes through again
Pipeline B4, groove 23, pipeline D6 flow into patient；
When needing to make blood flow reverse flow, knob 27 is simultaneously slid into another of 21 top surface of body part by turning knob 27
On sliding slot, pipeline A3 and pipeline D6 is made to be located at the same side of protrusion 26, the other side that pipeline B4 and pipeline C5 is located at protrusion 26 is
Can, D6, groove 23, pipeline A3 flow into apparatus for purifying blood 1 to blood by the road from the patient at this time, and after purified, blood is again
B4, groove 23, pipeline C5 flow into patient by the road.
Embodiment two:
As shown in figure 5, it is from the difference of embodiment one: the structure of the blood reversing arrangement 2 is different, in this implementation
In example, the blood flow reversing arrangement 2 is rotary reversing device, including cylindrical the first noumenon 210 and the second ontology 250, institute
The end face for stating the first noumenon 210 is equipped with fixing axle 280, end face of the fixing axle 280 perpendicular to the first noumenon 210, the second ontology 250
End face be equipped with axis hole compatible with fixing axle 280,210 end face of the first noumenon and 250 end face of the second ontology pass through described solid
The end face of the connection that dead axle 280 mutually rotates, the first noumenon 210 is equipped with through-hole a220 and through-hole b230, the end of the second ontology 250
Face is equipped with through-hole c260 and through-hole d270, and the through-hole a220, through-hole b230, through-hole c260, through-hole d270 are each parallel to fixation
Axis 280, through-hole a220, through-hole b230, through-hole c260, the radius of gyration of through-hole d270 are equal, through-hole a220, through-hole b230, lead to
Hole c260, the diameter of through-hole d270 are equal with pipeline A3, pipeline B4, pipeline C5, the diameter of pipeline D6.
Set on the end face of the first noumenon 210 there are two sealing ring 240, two sealing rings 240 respectively with through-hole a220,
Through-hole b230 is concentric, and the diameter of two sealing rings 240 is respectively greater than the diameter of the diameter of through-hole a220, through-hole b230.
It is rotated in order to facilitate the first noumenon 210 relative to the second ontology 250, the side wall of second ontology 250 is equipped with hand
Handle 290.
In order to guarantee that blood flow reversing arrangement 2 can be stable is in first state or the second state, second ontology
250 are equipped with pin shaft 200, set that there are two pin hole compatible with the pin shaft 200, pin shafts on 210 end face of the first noumenon
200 run through the second ontology 250, and described two pin holes are symmetrical arranged about fixing axle 280, when pin shaft 200 and 210 end of the first noumenon
When one of pin hole on face cooperates, the pipeline A3 is connected to pipeline C5, and pipeline B4 is connected to pipeline D6；When pin shaft 200
When cooperating with another pin hole on 200 end face of the first noumenon, the pipeline A3 is connected to pipeline D6, and pipeline B4 and pipeline C5 connect
It is logical.
In use, a port of pipeline A3, pipeline B4, pipeline C5, pipeline D6 are connected respectively to apparatus for purifying blood 1
On patient；As shown in fig. 6, again by pipeline A3, pipeline B4 another port respectively with the through-hole on the first noumenon 210
A220, through-hole b230 connection, by pipeline C5, pipeline D6 another port respectively with the through-hole c260, logical on the second ontology 250
Hole d270 connection, pin shaft 200 is inserted in one of in pin hole, starts apparatus for purifying blood 1, blood passes through from the patient at this time
Pipeline C5, through-hole c260, through-hole a220, pipeline A3 flow into apparatus for purifying blood 1, after purified, blood B4, through-hole by the road again
B230, through-hole d270, pipeline D6 flow into patient；
When needing to make blood flow reverse flow, it is only necessary to extract 200,180 ° of rotational handles 290 of pin shaft, then by pin shaft 200
It is inserted into another pin hole, D6, through-hole d270, through-hole a220, pipeline A3 are flowed into blood by the road from the patient at this time
Apparatus for purifying blood 1, after purified, B4, through-hole b230, through-hole c260, pipeline C5 flow into patient to blood by the road again.
Embodiment three:
As shown in fig. 7, it is from the difference of embodiment one: the structure of the blood reversing arrangement 2 is different, in this implementation
In example, the blood flow reversing arrangement 2 includes connecting tube a201, connecting tube b202, connecting tube c203, connecting tube d204, the pipe
Road A3 is connected to by connecting tube a201, connecting tube b202 with the pipeline C5, pipeline D6, and the pipeline B4 passes through connecting tube
C203, connecting tube d204 are connected to the pipeline C5, pipeline D6, connecting tube a201, connecting tube b202, connecting tube c203, connection
Flow-stopping clip 205 is equipped on pipe d204.
The connecting tube a201, connecting tube b202, connecting tube c203, the diameter of connecting tube d204 and pipeline A3, pipeline B4,
Pipeline C5, the diameter of pipeline D6 are equal.
In use, a port of pipeline A3, pipeline B4, pipeline C5, pipeline D6 are connected respectively to apparatus for purifying blood 1
On patient；Another port of pipeline A3 is connected by connecting tube a201, connecting tube b202 and the pipeline C5, pipeline D6 again
It is logical, another port of pipeline B4 is connected to by connecting tube c203, connecting tube d204 with the pipeline C5, pipeline D6；It will be even
Flow-stopping clip 205 on adapter tube a201 is opened, the flow-stopping clip 205 on connecting tube b202 is closed, by the flow-stopping clip on connecting tube c203
205 open, the flow-stopping clip 205 on connecting tube d204 is closed, and start apparatus for purifying blood 1, blood is from the patient through pipe at this time
Road C5, connecting tube a201, pipeline A3 flow into apparatus for purifying blood 1, after purified, then pass through pipeline B4, connecting tube c203, pipeline
D6 flows into patient；
When needing blood flow reverse flow, it is only necessary to close the flow-stopping clip 205 on connecting tube a201, on connecting tube b202
Flow-stopping clip 205 open, the flow-stopping clip 205 on connecting tube c203 is closed, the opening of flow-stopping clip 205 on connecting tube d204 is
Can, D6, connecting tube b202, pipeline A3 flow into apparatus for purifying blood 1 to blood by the road from the patient at this time, after purified, then
B4, connecting tube d204, pipeline C5 flow into patient by the road.
Certainly, the utility model can also have other various embodiments, without departing substantially from the spirit of the present invention and its essence
In the case of, those skilled in the art can make various corresponding changes and modifications, but these phases according to the utility model
The change and modification answered all should belong to the protection scope of the utility model the attached claims.
Claims (10)
1. a kind of blood purification system, it is characterised in that: including apparatus for purifying blood (1), blood flow reversing arrangement (2), the blood
The blood inlet end of liquid purification device (1), blood exit port are separately connected pipeline A (3), pipeline B (4), further include connecting with patient
Pipeline C (5), the pipeline D (6) connect, the pipeline A (3), pipeline B (4), pipeline C (5), pipeline D (6) are changed with the blood flow respectively
It is connected to device (2)；In a state, pipeline A (3) is connected to the blood flow reversing arrangement (2) with pipeline C (5), pipeline B (4)
It is connected to pipeline D (6)；In another state, pipeline A (3) is connected to the blood flow reversing arrangement (2) with pipeline D (6), pipeline B
(4) it is connected to pipeline C (5).
2. blood purification system according to claim 1, it is characterised in that: the pipeline C (5), pipeline D (6) are all connected with
Have branch pipe (7), branch pipe (7) is equipped with lid (8).
3. blood purification system according to claim 1, it is characterised in that: the blood flow reversing arrangement (2) includes ontology
Portion (21), body part (21) top surface are equipped with blind hole (22), and the side wall of blind hole (22) is equipped with a circle along blind hole (22) circumferential direction side
To groove (23), body part (21) side wall sets there are four interface (24), four interfaces (24) with the groove (23)
Connection, four interfaces (24) are located in four quadrants of the same coordinate system；Core (25) are equipped in the blind hole (22), core
Portion (25) and body part (21) are rotatablely connected, and the side wall of core (25) sets the protrusion (26) there are two face, the protrusion (26)
It is adapted with groove (23).
4. blood purification system according to claim 3, it is characterised in that: the blood flow reversing arrangement (2) includes first
The end face of ontology (210) and the second ontology (250), the first noumenon (210) is equipped with fixing axle (280), the second ontology (250)
End face be equipped with compatible axis hole, the first noumenon (210) end face pass through with the second ontology (250) end face with fixing axle (280)
The connection that the fixing axle (280) mutually rotates, the first noumenon (210) end face are equipped with through-hole a (220) and through-hole b (230), the
Two ontologies (250) end face is equipped with through-hole c (260) and through-hole d (270), the through-hole a (220), through-hole b (230), through-hole c
(260), through-hole d (270) is each parallel to fixing axle (280), through-hole a (220), through-hole b (230), through-hole c (260), through-hole d
(270) the radius of gyration is equal.
5. blood purification system according to claim 1, it is characterised in that: the blood flow reversing arrangement (2) includes connection
Pipe a (201), connecting tube b (202), connecting tube c (203), connecting tube d (204), the pipeline A (3) by connecting tube a (201),
Connecting tube b (202) is connected to the pipeline C (5), pipeline D (6), and the pipeline B (4) passes through connecting tube c (203), connecting tube d
(204) it is connected to the pipeline C (5), pipeline D (6), connecting tube a (201), connecting tube b (202), connecting tube c (203), connection
Flow-stopping clip (205) are equipped on pipe d (204).
6. blood purification system according to claim 4, it is characterised in that: the top of the core (25) is equipped with knob
(27), the side wall of the first noumenon (210) and/or the second ontology (250) is equipped with handle (290).
7. blood purification system according to claim 6, it is characterised in that: the knob (27) and core (25) sliding connect
It connects, sliding slot is equipped at the top of core (25), knob (27) is adapted with sliding slot, side wall and extension of the sliding slot through core (25)
To body part (21) top surface.
8. blood purification system according to claim 4, it is characterised in that: second ontology (250) is equipped with pin shaft
(200), compatible pin hole, pin shaft (200) pass through with the pin shaft (200) there are two setting on the first noumenon (210) end face
It wears the second ontology (250), described two pin holes are symmetrical arranged about fixing axle (280).
9. blood purification system according to claim 4, it is characterised in that: between the blind hole (22) and core (25),
Sealing element is equipped between the protrusion (26) and groove (23), between the first noumenon (210) and the second ontology (250).
10. blood purification system according to claim 4, it is characterised in that: set on the end face of the first noumenon (210)
There are two sealing ring (240), and two sealing rings (240) are concentric with through-hole a (220), through-hole b (230) respectively, two sealing rings
(240) diameter is respectively greater than the diameter of the diameter of (220) through-hole a, through-hole b (230).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721562793.1U CN208893293U (en) | 2017-11-21 | 2017-11-21 | A kind of blood purification system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721562793.1U CN208893293U (en) | 2017-11-21 | 2017-11-21 | A kind of blood purification system |
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| Publication Number | Publication Date |
|---|---|
| CN208893293U true CN208893293U (en) | 2019-05-24 |
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ID=66564621
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721562793.1U Active CN208893293U (en) | 2017-11-21 | 2017-11-21 | A kind of blood purification system |
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| Country | Link |
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| CN (1) | CN208893293U (en) |
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2017
- 2017-11-21 CN CN201721562793.1U patent/CN208893293U/en active Active
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