CN208511597U - A kind of external blood oxygen dialysis circulator - Google Patents
A kind of external blood oxygen dialysis circulator Download PDFInfo
- Publication number
- CN208511597U CN208511597U CN201721343138.7U CN201721343138U CN208511597U CN 208511597 U CN208511597 U CN 208511597U CN 201721343138 U CN201721343138 U CN 201721343138U CN 208511597 U CN208511597 U CN 208511597U
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- Prior art keywords
- sleeve
- blood
- circulator
- outlet
- casing
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Abstract
The utility model discloses a kind of external blood oxygen dialysis circulator, including casing, the casing is equipped with dialyzate import, dialyzate outlet, blood entry port and blood outlet, the blood outlet pump machine, the pump machine outlet return pipe；The motor rotation that the utility model is equipped with, band movable eccentric wheel rotates, and is further driven to drive rod movement, the final reciprocating motion for realizing sliding block, sliding block is to when sleeve openings end motion, purified blood enters in sleeve in semi-permeable membrane dialysis tubing, and when sliding block closes end motion to sleeve, blood enters return pipe after squeezing the purification in sleeve, in aforesaid operations, compare conventional recycle device, can simulate cardiac pulse, mitigates the sense of discomfort of patient in dialysis procedure.
Description
Technical field
The utility model relates to medical instruments fields, and in particular to a kind of external blood oxygen dialysis circulator.
Background technique
Chronic renal failure refers to that various kidney troubles lead to the gradual irreversibility decline of renal function, until function loses institute
Clinical syndrome composed by a series of symptoms of appearance and metabolic disorder, abbreviation chronic kidney hypofunction.It is by small point that dialysis, which is used as,
Son is diffused into the principle of water or buffer through semi-permeable membrane, and one kind that small molecule and large biological molecule separate is isolated and purified skill
Art.Dialysis therapy is the treatment method for excreting ingredient solute in body fluid or moisture by semi-permeable membrane.
Traditional dialysis is handled through semi-permeable membrane in dialysis pond after being drawn patient blood using circulating pump and is back to trouble
In person's body, the processing to harmful substance extra in blood is realized, but circulating pump pressure in carrying out cyclic process is constant, it can not
The blood flow effect that true intracorporeal heart bounce generates is simulated, patient's sense of discomfort in dialysis procedure is caused,
Utility model content
The purpose of the utility model is to overcome the above-mentioned problems in the prior art, provide a kind of external blood oxygen dialysis
Circulator, can solve can not simulate the blood flow effect that true intracorporeal heart bounce generates, and cause patient in dialysis procedure uncomfortable
The problem of sense.
To realize above-mentioned technical purpose and the technique effect, the utility model is achieved through the following technical solutions:
A kind of external blood oxygen dialysis circulator, including casing, the casing is equipped with dialyzate import, dialyzate exports,
Blood entry port and blood outlet, the blood outlet pump machine, the pump machine outlet return pipe；
The casing internal is additionally provided with the semi-permeable membrane dialysis tubing of connection blood entry port and blood outlet；
The pump machine is equipped with sleeve, and the sleeve closed end first equipped with the outlet of connection casing blood and sleeve inner is single
To valve, first check valve is unidirectionally opened and closed to sleeve inner, and the sleeve closed end is additionally provided with the second list of connection return pipe
To valve, the second one-way valve is unidirectionally opened and closed to return pipe, is additionally provided with sliding block in the sleeve, and the sliding block is towards sleeve openings
End is connected with drive rod one end, and the drive rod other end is flexibly connected eccentric wheel marginal portion, and the eccentric wheel is fixed
On motor driving shaft.
Further, the dialysis tubing crawls distribution in casing.
Further, the casing internal is additionally provided with blender.
Further, the sliding block is fixed with piston towards sleeve seal end.
Further, the piston is circumferentially fixed rubber layer.
Further, elastic sealing film is additionally provided in the sleeve.
Further, the elastic sealing film is set on the right side of the first check valve and second one-way valve.
The income effect of the utility model is:
Motor rotation, band movable eccentric wheel rotate, and are further driven to drive rod movement, finally realize the reciprocating motion of sliding block,
Sliding block is to when sleeve openings end motion, and purified blood enters in sleeve in semi-permeable membrane dialysis tubing, when sliding block is to sleeve
When closing end motion, blood enters return pipe after squeezing the purification in sleeve.In aforesaid operations, the conventional recycle that compares dress
It sets, cardiac pulse can be simulated, mitigate the sense of discomfort of patient in dialysis procedure.
Detailed description of the invention
In order to illustrate more clearly of the technical solution of the utility model embodiment, make required for being described below to embodiment
Attached drawing is briefly described, it should be apparent that, the drawings in the following description are merely some embodiments of the present invention,
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings
Other attached drawings.
Fig. 1 is the structural schematic diagram of circulator described in the utility model；
Fig. 2 is the structural schematic diagram of pump machine described in the utility model.
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 creative efforts
All other embodiment obtained, fall within the protection scope of the utility model.
As shown in Figs. 1-2, the utility model is a kind of external blood oxygen dialysis circulator, including casing 100, casing 100
Equipped with dialyzate import 110, dialyzate outlet 120, blood entry port 130 and blood outlet 140,140 connection pump of blood outlet
Machine 200,200 outlet return pipe 300 of pump machine；
The semi-permeable membrane dialysis tubing 150 of connection blood entry port 130 and blood outlet 140 is additionally provided with inside casing 100；
Pump machine 200 is equipped with sleeve 210, and 210 closed end of sleeve is equipped in connection 100 blood of casing outlet 140 and sleeve 210
First check valve 220 in portion, for the first check valve 220 to the unidirectional folding in 210 inside of sleeve, 210 closed end of sleeve is additionally provided with connection
The second one-way valve 230 of return pipe 300, second one-way valve 230 are unidirectionally opened and closed to return pipe 300, are additionally provided with cunning in sleeve 210
Block 240, sliding block 240 are connected with 250 one end of drive rod towards 210 open end of sleeve, and 250 other end activity of drive rod connects
260 marginal portion of eccentric wheel is connect, eccentric wheel 260 is fixed in 270 drive shaft of motor.
Wherein, dialysis tubing 150 crawls distribution in casing 100.
Wherein, blender 160 is additionally provided with inside casing 100.
Wherein, sliding block 240 is fixed with piston 280 towards 210 sealed end of sleeve.
Wherein, piston 280 is circumferentially fixed rubber layer 281.
Wherein, elastic sealing film 290 is additionally provided in sleeve 210.
Wherein, elastic sealing film 290 is set to 230 right side of the first check valve 220 and second one-way valve.
One concrete application of the present embodiment are as follows:
Motor 270 rotates, and band movable eccentric wheel 260 rotates, and is further driven to the movement of drive rod 250, final to realize sliding block 240
Reciprocating motion, when sliding block 240 is open end motion to sleeve 210, purified blood enters in semi-permeable membrane dialysis tubing 150
In sleeve 210, when sliding block 240 closes end motion to sleeve 210, blood enters back after squeezing the purification in sleeve 210
Flow tube 300.In aforesaid operations, compare conventional recycle device, can simulate cardiac pulse, mitigates in dialysis procedure patient not
Suitable sense.
In the description of this specification, the description of reference term " one embodiment ", " example ", " specific example " etc. means
Specific features described in conjunction with this embodiment or example, structure, material live feature be contained in the utility model at least one
In embodiment or example.In the present specification, schematic expression of the above terms be not necessarily referring to identical embodiment or
Example.Moreover, particular features, structures, materials, or characteristics described can be in any one or more embodiment or examples
In can be combined in any suitable manner.
The preferred embodiment in the utility model disclosed above is only intended to help to illustrate the utility model.Preferred embodiment is simultaneously
There is no the details that detailed descriptionthe is all, also not limiting the utility model is only the specific embodiment.Obviously, according to this theory
The content of bright book can make many modifications and variations.These embodiments are chosen and specifically described to this specification, is in order to preferably
The principles of the present invention and practical application are explained, so that skilled artisan be enable to better understand and utilize this
Utility model.The utility model is limited only by the claims and their full scope and equivalents.
Claims (7)
- The circulator 1. a kind of external blood oxygen is dialysed, it is characterised in that: including casing (100), the casing (100) is equipped with dialysis Liquid import (110), dialyzate outlet (120), blood entry port (130) and blood outlet (140), the blood export (140) It is connected to pump machine (200), pump machine (200) the outlet return pipe (300)；The semi-permeable membrane dialysis tubing of connection blood entry port (130) and blood outlet (140) is additionally provided with inside the casing (100) (150)；The pump machine (200) is equipped with sleeve (210), and sleeve (210) closed end is equipped with the outlet of connection casing (100) blood (140) first check valve (220) internal with sleeve (210), first check valve (220) are internal unidirectional to sleeve (210) Folding, sleeve (210) closed end are additionally provided with the second one-way valve (230) of connection return pipe (300), the second one-way valve (230) it unidirectionally opens and closes to return pipe (300), is additionally provided with sliding block (240) in the sleeve (210), sliding block (240) the direction set Cylinder (210) open end is connected with drive rod (250) one end, and drive rod (250) other end is flexibly connected eccentric wheel (260) marginal portion, the eccentric wheel (260) are fixed in motor (270) drive shaft.
- The circulator 2. a kind of external blood oxygen according to claim 1 is dialysed, it is characterised in that: the dialysis tubing (150) The snake distribution in casing (100).
- The circulator 3. a kind of external blood oxygen according to claim 1 is dialysed, it is characterised in that: in the casing (100) Portion is additionally provided with blender (106).
- The circulator 4. a kind of external blood oxygen according to claim 1 is dialysed, it is characterised in that: sliding block (240) court Piston (280) are fixed with to sleeve (210) sealed end.
- The circulator 5. a kind of external blood oxygen according to claim 4 is dialysed, it is characterised in that: piston (280) week To being fixed with rubber layer (281).
- The circulator 6. a kind of external blood oxygen according to claim 1 is dialysed, it is characterised in that: in the sleeve (210) It is additionally provided with elastic sealing film (290).
- The circulator 7. a kind of external blood oxygen according to claim 6 is dialysed, it is characterised in that: the elastic sealing film (290) it is set on the right side of the first check valve (220) and second one-way valve (230).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721343138.7U CN208511597U (en) | 2017-10-18 | 2017-10-18 | A kind of external blood oxygen dialysis circulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721343138.7U CN208511597U (en) | 2017-10-18 | 2017-10-18 | A kind of external blood oxygen dialysis circulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208511597U true CN208511597U (en) | 2019-02-19 |
Family
ID=65327723
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721343138.7U Expired - Fee Related CN208511597U (en) | 2017-10-18 | 2017-10-18 | A kind of external blood oxygen dialysis circulator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208511597U (en) |
-
2017
- 2017-10-18 CN CN201721343138.7U patent/CN208511597U/en not_active Expired - Fee Related
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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: 20190219 Termination date: 20191018 |