CN2549986Y - Medicinal liquid filter for transfusion device - Google Patents
Medicinal liquid filter for transfusion device Download PDFInfo
- Publication number
- CN2549986Y CN2549986Y CN 02270998 CN02270998U CN2549986Y CN 2549986 Y CN2549986 Y CN 2549986Y CN 02270998 CN02270998 CN 02270998 CN 02270998 U CN02270998 U CN 02270998U CN 2549986 Y CN2549986 Y CN 2549986Y
- Authority
- CN
- China
- Prior art keywords
- lower cover
- transfusion device
- loam cake
- filter membrane
- filter
- 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 - Fee Related
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- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model relates to a medicinal liquid filter for transfusion device, mainly solving the air bubble residue problem in the prior art, which comprises an upper cover and a lower cover. The upper cover and the lower cover are respectively provided with the liquid inlets and outlets, and the upper cover and the lower cover are all provided with cavities, and a filtrating film is arranged between the upper cover and the lower cover, and the contact face for the filtrating film and the lower cover is provided with bars for supporting the filtrating film, and the bars are multi arc blocks in scattered arrangement, and the arc blocks form a liquid guide hole. For the medicinal liquid filter for transfusion device of the utility model, the bars are multi arc blocks in scattered arrangement and the arc blocks form a liquid guide hole, the medicinal liquid is in more even distributing in the cavities of the upper cover and lower cover when passing through the filter, which effectively pushes the medicinal liquid to the liquid outlet with air bubble remained, thereby ensuring the transfusion safety.
Description
Technical field
This utility model relates to medical transfusion device, particularly the transfusion device liquid medicine filter.
Background technology
Transfusion device is used for filtering the transfusion medicinal liquid with liquid medicine filter, and reduces the bubble in removing medicinal liquid, guarantees transfusion safety.Existing transfusion device liquid medicine filter as Fig. 1,2, contains loam cake and lower cover, between loam cake and lower cover, filter membrane is housed, on the lower cover contact surface that contacts with filter membrane, be provided with the muscle that supports filter membrane, described muscle is a plurality of raised lines that are arranged in parallel, the inner chamber of loam cake and lower cover is formed the drain passage, at loam cake, lower cover and go out, a end that liquid inlet is relative stretches out, and cambered surface arranged, during the medicinal liquid turnover on the elongated end, on elongated end, form and reflux, thereby it is residual to reduce bubble to a certain extent; But the transfusion device liquid medicine filter of this structure, because the muscle of loam cake is a plurality of raised lines that are arranged in parallel, and in the drain passage, there is an edge, horn shape limit of more non-smooth transition, in the drain process, still exist bubble residual, in addition, because the muscle and the filter membrane of lower cover are plane contact, filter membrane easily wrinkles, and influences filter effect.
The utility model content
The purpose of this utility model is to provide a kind of transfusion device liquid medicine filter, and the bubble that can remove in the medicinal liquid is residual; Its further purpose is to prevent that filter membrane is wrinkling.
Transfusion device liquid medicine filter described in the utility model, contain loam cake, lower cover, loam cake, cover and have liquid inlet and outlet down, loam cake, lower cover all have inner chamber, between loam cake and lower cover, filter membrane is housed, on the lower cover contact surface that contacts with filter membrane, is provided with the muscle that supports filter membrane, described muscle is a plurality of arc pieces of dispersing arrangement, and the arc piece surrounds delivery hole;
The inner chamber of described loam cake, lower cover, its each face is cambered surface;
The liquid inlet and outlet of described loam cake, lower cover all is located at the place, summit of upper and lower cover cambered surface;
The contact surface of the described arc piece of dispersing arrangement and filter membrane protrudes and is cambered surface to the filter membrane direction;
Described a plurality of cross section of dispersing the arc piece of arrangement is the sector shape that equal portions are divided equally.
Because transfusion device liquid medicine filter described in the utility model, its muscle is a plurality of arc pieces of dispersing arrangement, the arc piece surrounds delivery hole, during medicinal liquid process filter, it is more even to distribute in the inner chamber of loam cake and lower cover, more effective medicinal liquid of catching up with is to liquid outlet, and no bubble is residual, thereby guarantees transfusion safety; The contact surface of the described arc piece of dispersing arrangement and filter membrane protrudes and is cambered surface to the filter membrane direction, can strain filter membrane like this, reduces wrinkle film phenomenon, guarantees filter effect.
Description of drawings
Below in conjunction with drawings and Examples this utility model is described in further detail:
Fig. 1 is the partial sectional view of prior art;
Fig. 2 is the vertical view of the described lower cover of prior art;
Fig. 3 is a partial sectional view of the present utility model;
Fig. 4 is the vertical view of lower cover described in the utility model;
The specific embodiment
Transfusion device liquid medicine filter described in the utility model, as Fig. 3,4, contain loam cake 1, lower cover 2, have liquid inlet and outlet 3 on loam cake 1, the lower cover 2, loam cake 1, lower cover 2 all have inner chamber 4, at loam cake 1 and 2 of lower covers filter membrane 5 are housed, on lower cover 2 contact surfaces that contact with filter membrane 5, be provided with the muscle 6 that supports filter membrane 5, described muscle is a plurality of arc pieces 7 of dispersing arrangement, and arc piece 7 surrounds delivery hole 8; Described filter membrane 5 adopts the heavy ion filter membrane;
The inner chamber 4 of described loam cake 1, lower cover 2, its each face is cambered surface, and the liquid inlet and outlet 3 of described loam cake 1, lower cover 2 all is located at the place, summit of upper and lower cover inner cavity cambered surface; The contact surface of the described arc piece of dispersing arrangement 7 and filter membrane 5 protrudes and is cambered surface to filter membrane 5 directions, can strain filter membrane 5 like this, reduces wrinkle film phenomenon, guarantees filter effect; Described a plurality of cross section of dispersing the arc piece 5 of arrangement is the sector shape that equal portions are divided equally; Like this medicinal liquid in flow process disturbance still less, the bubble that can more effectively remove in the medicinal liquid is residual.
This utility model is not limited to the above-mentioned specific embodiment.
Claims (5)
1, transfusion device liquid medicine filter, contain loam cake (1), lower cover (2), have liquid inlet and outlet (3) on loam cake (1), the lower cover (2), loam cake (1), lower cover (2) all have inner chamber (4), between loam cake (1) and lower cover (2), filter membrane (5) is housed, on lower cover (2) contact surface that contacts with filter membrane (5), is provided with the muscle (6) that supports filter membrane (5), it is characterized in that: described muscle (6) is a plurality of arc pieces (7) of dispersing arrangement, and arc piece (7) surrounds delivery hole (8).
2, transfusion device liquid medicine filter according to claim 1 is characterized in that: the inner chamber (4) of described loam cake (1), lower cover (2), its each face is cambered surface.
3, transfusion device liquid medicine filter according to claim 2 is characterized in that: the liquid inlet and outlet (3) of described loam cake (1), lower cover (2) all is located at the place, summit of upper and lower cover cambered surface.
4, transfusion device liquid medicine filter according to claim 1 is characterized in that: the contact surface of the described arc piece (7) of dispersing arrangement and filter membrane (5) protrudes and is cambered surface to filter membrane (5) direction.
5, according to claim 1,2,3 or 4 described transfusion device liquid medicine filters, it is characterized in that: described a plurality of cross sections of dispersing the arc piece (7) of arrangement are the sector shape that equal portions are divided equally.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02270998 CN2549986Y (en) | 2002-06-12 | 2002-06-12 | Medicinal liquid filter for transfusion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02270998 CN2549986Y (en) | 2002-06-12 | 2002-06-12 | Medicinal liquid filter for transfusion device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2549986Y true CN2549986Y (en) | 2003-05-14 |
Family
ID=33735934
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02270998 Expired - Fee Related CN2549986Y (en) | 2002-06-12 | 2002-06-12 | Medicinal liquid filter for transfusion device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2549986Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108159776A (en) * | 2016-12-07 | 2018-06-15 | 少伯国际贸易（大连）有限公司 | Double film dispensation filters |
-
2002
- 2002-06-12 CN CN 02270998 patent/CN2549986Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108159776A (en) * | 2016-12-07 | 2018-06-15 | 少伯国际贸易（大连）有限公司 | Double film dispensation filters |
| CN108159776B (en) * | 2016-12-07 | 2020-06-09 | 少伯国际贸易（大连）有限公司 | Double-membrane dispensing filter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |