CN202961319U - Dry powder barrel preflushing device used for hemodialysis machine - Google Patents
Dry powder barrel preflushing device used for hemodialysis machine Download PDFInfo
- Publication number
- CN202961319U CN202961319U CN 201220616452 CN201220616452U CN202961319U CN 202961319 U CN202961319 U CN 202961319U CN 201220616452 CN201220616452 CN 201220616452 CN 201220616452 U CN201220616452 U CN 201220616452U CN 202961319 U CN202961319 U CN 202961319U
- Authority
- CN
- China
- Prior art keywords
- dry powder
- preflushing
- powder barrel
- liquid
- negative pressure
- 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.)
- Expired - Lifetime
Links
- 239000000843 powder Substances 0.000 title claims abstract description 39
- 238000001631 haemodialysis Methods 0.000 title claims abstract description 14
- 230000000322 hemodialysis Effects 0.000 title abstract description 3
- 239000007788 liquid Substances 0.000 claims abstract description 26
- 238000010438 heat treatment Methods 0.000 claims abstract description 19
- 238000011010 flushing procedure Methods 0.000 claims description 7
- 238000006073 displacement reaction Methods 0.000 description 4
- 238000004080 punching Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000000502 dialysis Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 235000010627 Phaseolus vulgaris Nutrition 0.000 description 1
- 244000046052 Phaseolus vulgaris Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000007872 degassing Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002513 implantation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 235000012149 noodles Nutrition 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Landscapes
- External Artificial Organs (AREA)
Abstract
The utility model discloses a dry powder barrel preflushing device used for a hemodialysis machine. The dry powder barrel preflushing device comprises a heating cavity, a liquid inlet end is connected with the heating cavity through a pipeline, a liquid outlet end is connected with a negative pressure pump of the heating cavity through a thin joint, a liquid outlet end of the negative pressure pump is connected with an outlet of a dry powder barrel through an air removing valve and an air removing cavity in sequence, and an inlet of the dry powder barrel is connected with the heating cavity through a B liquid tube. According to the dry powder barrel preflushing device, the reversion of the negative pressure pump on a liquid path is utilized to perform reverse preflushing treatment on the dry powder barrel, no element is additionally arranged on the liquid path, and the dry powder barrel preflushing device has the advantages of simple structure and lower implementation cost.
Description
Technical field
This utility model relates to a kind of parts of haemodialysis control unit, especially relates to a kind of pre-flushing device of dry powder bucket for haemodialysis control unit.
Background technology
Use B dried bean noodles powder bucket (to be called again " B dry powder bucket " in haemodialysis control unit, the application is referred to as " dry powder bucket ") during hemodialysis in, because the manufacturing firm of dry powder bucket is numerous, quality is uneven, the unsettled phenomenon of electrical conductivity easily appears in some second-rate dry powder buckets, thus impact dialysis quality.
In order to address this problem, can now the dry powder bucket be carried out pre-punching and process before dialysis, namely first will be full of water in the dry powder bucket, then use after adding the B powder, can solve the above-mentioned unsettled problem of electrical conductivity that occurs.
But in present haemodialysis control unit, if will realize that the dry powder bucket rushes processing in advance, need to increase the control element such as electromagnetic valve on the liquid road could realize, realizes that cost is higher.
The utility model content
For overcoming the defective of prior art, the utility model proposes a kind of simple in structure for haemodialysis control unit, realize the pre-flushing device of lower-cost dry powder bucket.
This utility model adopts following technical scheme to realize: a kind of pre-flushing device of dry powder bucket for haemodialysis control unit, and it comprises: heating chamber; Liquid feeding end connects heating chamber, liquid outlet by pipeline and connects the negative pressure pump of heating chamber by thin drive connector; And the liquid outlet of negative pressure pump passes through successively air removing valve, connects the outlet of dry powder bucket except air cavity, and the entrance of dry powder bucket connects heating chamber by B liquid pipe.
Wherein, air removing valve is electromagnetic valve.
Compared with prior art, the utlity model has following beneficial effect:
This utility model utilize the negative pressure pump counter-rotating on the liquid road realize to the dry powder bucket oppositely pre-bath process, need not increases element on the liquid road, simple in structure, realizes that cost is lower.
Description of drawings
Fig. 1 is structural representation of the present utility model.
The specific embodiment
As shown in Figure 1, the utility model proposes for haemodialysis control unit have simple in structure, realize the pre-flushing device of lower-cost dry powder bucket, it comprises: heating chamber 1; A liquid pipe 2 and B liquid pipe 3 in alternative implantation heating chamber 1 in liquid; B liquid pipe 3 is fastened on the entrance of the dry powder bucket 5 on dry powder frame 4, and the outlet of dry powder bucket 5 connects liquid inlet except air cavity 6 by pipeline, and connects the liquid inlet of plunger displacement pump 7 by pipeline except the liquid outlet of air cavity 6; And heating chamber 1 connects a negative pressure pump 8 by a thin drive connector 10, this thin drive connector 10 by air removing valve 9 (such as, air removing valve 9 be electromagnetic valve) connect the air vent that removes air cavity 6.
Forward rotation during negative pressure pump 8 work due to the obstruction of thin drive connector 10, makes between negative pressure pump 8 and thin drive connector 10 to have the negative pressure of certain pressure size, thereby makes the liquid in heating chamber 1 separated from the gas, reaches the purpose of degasification.
When haemodialysis control unit worked, air removing valve 9 was closed, and by the rotation of plunger displacement pump 7, water is extracted out from heating chamber 1 by B liquid pipe 3, and the B powder interior through dry powder bucket 5 and dry powder bucket 5 is mixed into mixed liquor, and mixed liquor is through sending from plunger displacement pump 7 except air cavity 6.
When needs carry out pre-punching processing to dry powder bucket 5, make negative pressure pump 8 backward rotation, air removing valve 9 is opened and plunger displacement pump 7 is cut out, current direction negative pressure pump 8 in heating chamber 1 is divided into two-way through after negative pressure pump 8: wherein one the tunnel flow back to heating chamber 1 through meticulous drive connector 10; Another road is through flowing to dry powder bucket 5 except air cavity 6.When going up the position in the water in visual dry powder bucket 5 reaches, control negative pressure pump 8 and stop operating, can complete the pre-punching of dry powder bucket 5 is processed.
The above is only preferred embodiment of the present utility model; not in order to limit this utility model; all any modifications of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in protection domain of the present utility model.
Claims (2)
1. the pre-flushing device of dry powder bucket that is used for haemodialysis control unit, is characterized in that, comprising: heating chamber; Liquid feeding end connects heating chamber, liquid outlet by pipeline and connects the negative pressure pump of heating chamber by thin drive connector; And the liquid outlet of negative pressure pump passes through successively air removing valve, connects the outlet of dry powder bucket except air cavity, and the entrance of dry powder bucket connects heating chamber by B liquid pipe.
2. be used for according to claim 1 the pre-flushing device of dry powder bucket of haemodialysis control unit, it is characterized in that, air removing valve is electromagnetic valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220616452 CN202961319U (en) | 2012-11-20 | 2012-11-20 | Dry powder barrel preflushing device used for hemodialysis machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220616452 CN202961319U (en) | 2012-11-20 | 2012-11-20 | Dry powder barrel preflushing device used for hemodialysis machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202961319U true CN202961319U (en) | 2013-06-05 |
Family
ID=48502458
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220616452 Expired - Lifetime CN202961319U (en) | 2012-11-20 | 2012-11-20 | Dry powder barrel preflushing device used for hemodialysis machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202961319U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108289994A (en) * | 2015-12-31 | 2018-07-17 | 康尔福盛303公司 | System and method for intermittence infusion |
-
2012
- 2012-11-20 CN CN 201220616452 patent/CN202961319U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108289994A (en) * | 2015-12-31 | 2018-07-17 | 康尔福盛303公司 | System and method for intermittence infusion |
| US11896796B2 (en) | 2015-12-31 | 2024-02-13 | Carefusion 303, Inc. | Disposable intravenous (IV) set with flow control valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130605 |