CN204972531U - Filter device - Google Patents
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- CN204972531U CN204972531U CN201520662373.5U CN201520662373U CN204972531U CN 204972531 U CN204972531 U CN 204972531U CN 201520662373 U CN201520662373 U CN 201520662373U CN 204972531 U CN204972531 U CN 204972531U
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- Prior art keywords
- defecator
- connecting rod
- piston
- housing
- filter membrane
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- Infusion, Injection, And Reservoir Apparatuses (AREA)
- Medical Preparation Storing Or Oral Administration Devices (AREA)
Abstract
The utility model discloses a filter device, it includes a casing, be provided with filtration membrane in the casing, liquid inlet channel, access to filtration membrane's filtration passageway, respectively with filter the passageway with the communicating opening of liquid inlet channel, wherein, the liquid inlet channel inside slip is equipped with a piston, the piston is used for sealing and opening the opening. Can filter the particle, just completion filtration when infusing out infusion bottle or infusion bag through filtration membrane. Can directly avoid putting into production because of big infusion and make the link and the infusibility particle appears, control through the starting stage using, directly reduce patient's burden, also the subsidiary infusion sale prospect that enlarges.
Description
Technical field
This utility model relates to a kind of defecator.
Background technology
Clinical transfusion is an important clinical subject of modern medicine.It comprises Balance disorders, the important content such as acid base imbalance and threpsology of water and eletrolytes, and these Balance disorders occur together in multiple pathological process.Can also for the corresponding medicine of the direct intravenous injection of the different state of an illness while these Balance disorders of conditioning by reasonably infusing, to reach the object of rapidly and efficiently alleviating and treating disease.
Along with the needs of medical treatment and improving constantly of pharmaceutical technology, therapeutic transfusion kind also enters clinical successively.Therefore, transfusion be subject to clinician at different levels attention and be employed, the consumption of infusion preparation also increases fast, current China year per capita consumption reached more than 3 bottles.In order to adapt to the demand of medical treatment, infusion solutions manufacturing industry while increase yield be improve the quality of products and safe medication, preparation packaging level lifting be subject in pharmacy industry great attention.And the hard plastic bottle emerged in the recent period and non-PVC-soft plastic bag packaging large infusion production line, bring one new trend to infusion solutions commercial production, clinical practice is also more safe and reliable.But also there is some new problems simultaneously.To transfusion package state of development and emphasis to have carried out summarizing for discussion to packed in flexible pouchy technology.
Because medicinal liquid directly enters blood, (<1 minute) just can distribute whole body instantaneously, and venous transfusion is very important base therapy means in clinical treatment at home.The data display that drug-induced disease Professional Committee of Chinese Pharmacological Society provides: the domestic inpatient more than 70% has carried out infusion.
" existing infusion mode mostly is carrier transfusion, and carrier transfusion person is more than 90% clinically; Carrier transfusion causes thermal source and particulate matter superposition, easily increases infusion safety risk." particulate matter exceeds standard and endotoxin increase is that one of main cause of untoward reaction occurs in transfusion.Particulate matter enter human capillary vessel block initiation various diseases harm huge.
Particulate matter all may be had from production to be mixed into clinical links, such as pharmaceutical production links control is strict, packaging material, operation link, supporting apparatus, environment bring into.
" Chinese Pharmacopoeia " right >=and the particulate matter of 10 μm and >=25 μm makes restriction, but not yet relates to the microgranule of 2 ~ 10 μm.And once the particulate matter of 2 ~ 10 μm enters human body, the time of discharge is even more than 20 years.
At present, a lot of children's hospital and Grade A hospital at home, a kind of precision transfusion filter very sells well, and the major function of this product filters out the impurity such as the particulate matter of interior more than 2 μm of transfusion and visible foreign matters, but this kind of product is higher in price, brings burden to patient.
Therefore infusion products particulate matter control criterion should just be improved in manufacturing link, a Novel filter device is studied by our company for this reason, this device can be matched in infusion solutions bottle, soft bag bottle, also can be directly connected on transfusion bottle/bag interface in manufacture link.
Utility model content
The technical problems to be solved in the utility model is to overcome prior art fluid delivery apparatus easily to human body input microgranule, and filters the high defect of cost, provides a kind of defecator.
This utility model solves above-mentioned technical problem by following technical proposals:
A kind of defecator, its feature is, it comprises a housing, filter membrane is provided with in described housing, feed pathway, the filtration channel leading to described filter membrane, the opening communicated with described filtration channel and described feed pathway respectively, wherein, be slidably equipped with a piston in described feed pathway, described piston is used for closing and opening described opening.
Piston slides in feed pathway, and when piston closes opening, the liquid in feed pathway can not flow out, thus effectively prevents liquid from producing impact to filter membrane, avoids filter membrane breakdown.And when deployed, by making piston open opening, now, liquid flowing out from feed pathway, flowing into filtration channel through opening, and being filtered by filter membrane.
Preferably, described piston is connected on a connecting rod, is provided with slideway in described housing, and described connecting rod is slidedly arranged in described slideway.Can mobile piston easily by connecting rod.
Preferably, described piston and described connecting rod are separable connection.When deployed, pull connecting rod thus drive piston to the end of feed pathway, now pull down further, connecting rod and piston just can stressedly be separated, and realize coming off of connecting rod.
Preferably, described defecator also comprises a lid, and described lid is arranged on outside described housing, and described lid is connected with described connecting rod.
Preferably, described connecting rod comprises a boss, and described boss is connected with described lid, and described boss is provided with screw thread, and the end of described slideway is also provided with screw thread.
When not using, boss is threaded with slideway, realizes fixing, prevents the movement of connecting rod.When deployed, by rotating lid, thus making boss deviate from slideway, now just can pull connecting rod.
Preferably, be also provided with a liquid outlet channel in described housing, described filtration channel and described liquid outlet channel lay respectively at the both sides of described filter membrane.
Preferably, be provided with a container cavity in described housing, described liquid outlet channel is communicated with described container cavity.
Preferably, described housing comprises upper cover and lower cover, and described filter membrane is located between described upper cover and described lower cover.
Preferably, be also provided with an inner sleeve in described housing, described liquid outlet channel is formed between the outer wall of described inner sleeve and the inwall of described upper cover.
Preferably, be provided with supporting seat between described inner sleeve and described upper cover, described supporting seat is attached at described filter membrane.Supporting seat can support filter membrane, and preventing is infused crushes.
In this utility model, above-mentioned optimum condition can combination in any on the basis meeting this area general knowledge, obtains each preferred embodiment of the present utility model.
Positive progressive effect of the present utility model is: can filter particulates by filter membrane, just completes filtration when infusing out infusion bottle or transfusion bag.Can directly avoid, because infusion solutions occurs particulate matter in manufacturing link, by controlling in the starting stage used, directly reducing patient's burden, also attaching and expanding transfusion prospect for sales.
Accompanying drawing explanation
Fig. 1 is that the connecting rod of this utility model preferred embodiment stretches out status architecture schematic diagram.
Fig. 2 is that the connecting rod of this utility model preferred embodiment removes status architecture schematic diagram.
Fig. 3 is the main TV structure schematic diagram of defecator of this utility model preferred embodiment.
Internal structure schematic diagram when Fig. 4 is the defecator unused state of this utility model preferred embodiment.
Internal structure schematic diagram when Fig. 5 is the defecator opening status of this utility model preferred embodiment.
Description of reference numerals
Housing 1
Upper cover 11
Lower cover 12
Inner sleeve 13
Feed pathway 14
Opening 15
Filtration channel 16
Liquid outlet channel 17
Container cavity 18
Slideway 19
Piston 2
Connecting rod 3
Boss 31
Lid 4
Infusion bottle 5
Filter membrane 6
Supporting seat 7
Screw thread 81
Screw thread 82
Detailed description of the invention
Enumerate preferred embodiment below, and come by reference to the accompanying drawings clearlyer intactly this utility model to be described.
As Figure 1-5, present embodiment discloses a kind of defecator, housing 1, upper cover 11, lower cover 12, inner sleeve 13, feed pathway 14, opening 15, filtration channel 16, liquid outlet channel 17, container cavity 18, slideway 19, piston 2, connecting rod 3, boss 31, lid 4, filter membrane 6, supporting seat 7, screw thread 81, screw thread 82.
As depicted in figs. 1 and 2, the housing 1 of the defecator of the present embodiment is arranged on infusion bottle 5.Wherein, the bottom of housing 1 is provided with screw thread (not shown), and is threaded connection on infusion bottle 5.In addition, other conventional connected mode also can apply to in the connection of infusion bottle 5.
As shown in Figure 4, for defecator of the present utility model is in as picture during using state.Housing 1 is divided into and comprises upper cover 11 and lower cover 12, and filter membrane 6 is located between upper cover 11 and lower cover 12.
The opening 15 being formed with feed pathway 14 between upper cover 11 and lower cover 12, leading to the filtration channel 17 of filter membrane, communicate with filtration channel 17 and feed pathway 14 respectively, wherein, is slidably equipped with a piston 2 in feed pathway 14, piston 2 is for closing and opening opening 15.
Piston 2 is connected on a connecting rod 3, is also provided with an inner sleeve 13 in housing 1.Be provided with slideway 19 in inner sleeve 13, connecting rod 3 is slidedly arranged in slideway 19.Can mobile piston 2 easily by connecting rod 3.
Piston 2 is connected for separable with connecting rod 3.When deployed, pull connecting rod 3 thus drive piston 2 to the end of feed pathway 14, now pull down further, connecting rod 3 just can stressedly be separated with piston 2, realizes coming off of connecting rod 3.
As shown in Figure 3 and Figure 4, the present embodiment defecator also comprises a lid 4, and lid is arranged on outside housing 1, and lid 4 is connected with connecting rod 3.
Wherein, as shown in Figure 4 and Figure 5, connecting rod 3 comprises a boss 31, and boss 31 is connected with lid 4, and boss 31 is provided with screw thread 81, and the end of slideway 19 is also provided with screw thread 82.
As shown in Figure 4 and Figure 5, be also provided with a liquid outlet channel 17 in housing, filtration channel 16 and liquid outlet channel 17 lay respectively at the both sides of filter membrane 6.Wherein, liquid outlet channel 17 is formed between the outer wall of inner sleeve 13 and the inwall of upper cover 11.Liquid outlet channel 17 is upwards communicated with container cavity 18.
In addition, supporting seat 7 is provided with between inner sleeve 13 and upper cover 11.Supporting seat 7 is attached at filter membrane 6.The structure of supporting seat 7 can be the network structure of annular, and like this, supporting seat 7 can at support filter membrane 6, preventing is infused crush while, the transfusion after filtration can not be able to be stopped through mesh enters liquid outlet channel 17.
In addition, the defecator in accompanying drawing 4 of the present utility model and Fig. 5 in use, can be inverted, but this does not affect the description of the present embodiment to defecator.
As shown in Figure 4, when defecator does not use, boss 31 is threaded with slideway 19, realizes fixing, prevents the movement of connecting rod 3.Lid 4 is attached to above upper cover 1.
Now, piston 2 is positioned at the lower end of feed pathway 14, encloses opening 15.Liquid in feed pathway 14 can not flow out, thus effectively prevent liquid from producing impact to filter membrane 6, avoid filter membrane 6 breakdown.
As shown in Figure 5, when deployed, by rotating lid 4, thus making boss 31 deviate from slideway 19, now just can pull connecting rod 3.After connecting rod 3 is pulled, drive piston 2 to move upward, piston 2 opens opening 15 thus, and now, liquid flows out from feed pathway 14, flows into filtration channel 16 through opening 15, and is filtered by filter membrane 6.Transfusion after filtration, through liquid outlet channel 17, finally imports container cavity 18.
Finally, need to be pulled outwardly connecting rod 3, piston 2 is forgotten about it the end, thus connecting rod 3 is separated with piston 2 is stressed, now, fech connection bar 3 just can use.
In this utility model, above-mentioned optimum condition can combination in any on the basis meeting this area general knowledge, obtains each preferred embodiment of the present utility model.Although the foregoing describe detailed description of the invention of the present utility model, it will be understood by those of skill in the art that these only illustrate, protection domain of the present utility model is defined by the appended claims.Those skilled in the art, under the prerequisite not deviating from principle of the present utility model and essence, can make various changes or modifications to these embodiments, but these change and amendment all falls into protection domain of the present utility model.
Claims (10)
1. a defecator, it is characterized in that, it comprises a housing, filter membrane is provided with in described housing, feed pathway, the filtration channel leading to described filter membrane, the opening communicated with described filtration channel and described feed pathway respectively, wherein, be slidably equipped with a piston in described feed pathway, described piston is used for closing and opening described opening.
2. defecator as claimed in claim 1, it is characterized in that, described piston is connected on a connecting rod, is provided with slideway in described housing, and described connecting rod is slidedly arranged in described slideway.
3. defecator as claimed in claim 2, it is characterized in that, described piston and described connecting rod are separable connection.
4. defecator as claimed in claim 3, it is characterized in that, described defecator also comprises a lid, and described lid is arranged on outside described housing, and described lid is connected with described connecting rod.
5. defecator as claimed in claim 4, it is characterized in that, described connecting rod comprises a boss, and described boss is connected with described lid, and described boss is provided with screw thread, and the end of described slideway is also provided with screw thread.
6. the defecator as described in claim 1-5 any one, is characterized in that, is also provided with a liquid outlet channel in described housing, and described filtration channel and described liquid outlet channel lay respectively at the both sides of described filter membrane.
7. defecator as claimed in claim 6, it is characterized in that, be provided with a container cavity in described housing, described liquid outlet channel is communicated with described container cavity.
8. defecator as claimed in claim 6, it is characterized in that, described housing comprises upper cover and lower cover, and described filter membrane is located between described upper cover and described lower cover.
9. defecator as claimed in claim 8, it is characterized in that, be also provided with an inner sleeve in described housing, described liquid outlet channel is formed between the outer wall of described inner sleeve and the inwall of described upper cover.
10. defecator as claimed in claim 9, it is characterized in that, be provided with supporting seat between described inner sleeve and described upper cover, described supporting seat is attached at described filter membrane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520662373.5U CN204972531U (en) | 2015-08-28 | 2015-08-28 | Filter device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520662373.5U CN204972531U (en) | 2015-08-28 | 2015-08-28 | Filter device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204972531U true CN204972531U (en) | 2016-01-20 |
Family
ID=55106956
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520662373.5U Active CN204972531U (en) | 2015-08-28 | 2015-08-28 | Filter device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204972531U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106474595A (en) * | 2015-08-28 | 2017-03-08 | 陈陆陆 | Defecator |
| CN107537079A (en) * | 2016-06-23 | 2018-01-05 | 上海金塔医用器材有限公司 | A kind of transfusion filter device and fluid delivery apparatus |
-
2015
- 2015-08-28 CN CN201520662373.5U patent/CN204972531U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106474595A (en) * | 2015-08-28 | 2017-03-08 | 陈陆陆 | Defecator |
| CN106474595B (en) * | 2015-08-28 | 2024-02-09 | 陈陆陆 | Filtering device |
| CN107537079A (en) * | 2016-06-23 | 2018-01-05 | 上海金塔医用器材有限公司 | A kind of transfusion filter device and fluid delivery apparatus |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |