CN205473754U - a cell filter - Google Patents
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- CN205473754U CN205473754U CN201620046715.5U CN201620046715U CN205473754U CN 205473754 U CN205473754 U CN 205473754U CN 201620046715 U CN201620046715 U CN 201620046715U CN 205473754 U CN205473754 U CN 205473754U
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Abstract
本实用新型涉及一种细胞过滤器，包括塑料过滤体，所述塑料过滤体包括围成过滤腔的圆柱形滤筒和设置在所述圆柱形滤筒下端面上的滤膜；所述圆柱形滤筒的端面设置有向外圆周方向延伸的边沿，所述边沿设置在远离所述滤膜的一端，所述边沿的下表面设置有围绕在圆柱形滤筒外的保护片，所述保护片与所述圆柱形滤筒之间形成保护腔，所述边沿的上表面设置有围绕所述过滤腔腔口的连接圈。本实用新型所提供的过滤器与离心管或其它管体配合使用进行细胞的过滤，操作方便，过滤器的加工工艺简单，可以多个叠加使用，进行多次过滤，加强过滤效果，对过滤液体的保护效果好，受污染几率小。
The utility model relates to a cell filter, which comprises a plastic filter body, and the plastic filter body includes a cylindrical filter cartridge surrounding a filter chamber and a filter membrane arranged on the lower end surface of the cylindrical filter cartridge; the cylindrical filter cartridge The end surface of the filter cartridge is provided with a rim extending in the outer circumferential direction, and the rim is arranged at an end away from the filter membrane, and the lower surface of the rim is provided with a protection sheet surrounding the cylindrical filter cartridge, and the protection sheet A protective cavity is formed between the cylindrical filter cartridge and the upper surface of the rim is provided with a connecting ring surrounding the opening of the filter cavity. The filter provided by the utility model is used in conjunction with a centrifuge tube or other tubes to filter cells. It is easy to operate, and the processing technology of the filter is simple. It can be used in multiple stacks to perform multiple filtrations, strengthen the filtering effect, and improve the filtration effect on the filtered liquid. The protective effect is good, and the chance of contamination is small.
Description
技术领域 technical field
本实用新型属于医疗和实验室设备技术领域，涉及一种细胞过滤器。 The utility model belongs to the technical field of medical treatment and laboratory equipment, and relates to a cell filter.
背景技术 Background technique
在医学和生物学领域，常常利用细胞培养板进行细胞培养，以满足不同实验的需要。在细胞培养的过程中，经常需要对不同细胞进行分离，现有的细胞分离的方法是将需要分离的细胞溶液导入到离心管内，然后盖上盖子，到旋转基体上进行旋转分离物质，但是由于不知道细胞溶液内残留的其余物质的具体情况，所以在进行离心分离时，一般会设定比较长的时间，使得分离更彻底，但同时，由于设定的转动时间长会导致能源的过渡损耗，不利于节能环保。专利号为CN103555577A公开了一种带有细胞过滤器的离心管，包括细胞过滤器，所述细胞过滤器具体包括框架、滤膜，所述框架包括上部圆环面、下部圆环面、中间连接杆，所述上部圆环面、下部圆环面间通过中间连接杆连接，所述滤膜包括底部滤膜、外侧环形滤膜, 所述底部滤膜的外圆部分的下端面支承于所述下部环形面的内侧上端面。但也存在一些不足，例如，对环形滤膜和底部滤膜的加工难度大，工艺复杂；单一膜的过滤效果差；无保护结构，受污染的可能性大等。 In the fields of medicine and biology, cell culture plates are often used for cell culture to meet the needs of different experiments. In the process of cell culture, it is often necessary to separate different cells. The existing cell separation method is to introduce the cell solution to be separated into a centrifuge tube, then cover the lid, and rotate the material on the rotating base. However, due to I don't know the specific situation of the remaining substances in the cell solution, so when performing centrifugation, a relatively long time is generally set to make the separation more thorough, but at the same time, due to the long set rotation time, energy transition will be lost , is not conducive to energy saving and environmental protection. Patent No. CN103555577A discloses a centrifuge tube with a cell filter, including a cell filter, the cell filter specifically includes a frame, a filter membrane, and the frame includes an upper annular surface, a lower annular surface, and an intermediate connection Rod, the upper circular surface and the lower circular surface are connected by an intermediate connecting rod, the filter membrane includes a bottom filter membrane and an outer circular filter membrane, and the lower end surface of the outer circular part of the bottom filter membrane is supported on the The inner upper end surface of the lower annular surface. But there are also some deficiencies, for example, the processing of the annular filter membrane and the bottom filter membrane is difficult and complicated; the filtering effect of a single membrane is poor; there is no protective structure, and the possibility of contamination is high.
实用新型内容 Utility model content
本实用新型的目的是提供一种细胞过滤器，用于与离心管或其它管体配合使用进行细胞的过滤，操作方便，加工工艺简单，对过滤液体的保护效果好，受污染几率小。 The purpose of the utility model is to provide a cell filter, which is used in conjunction with a centrifuge tube or other tubes to filter cells. It is easy to operate, simple in processing technology, good in protecting the filtered liquid, and less likely to be polluted.
本实用新型采用如下技术方案：一种细胞过滤器，包括塑料过滤体，所述塑料过滤体包括围成过滤腔的圆柱形滤筒和设置在所述圆柱形滤筒下端面上的滤膜；所述圆柱形滤筒的端面设置有向外圆周方向延伸的边沿，所述边沿设置在远离所述滤膜的一端，所述边沿的下表面设置有围绕在圆柱形滤筒外的保护片，所述保护片与所述圆柱形滤筒之间形成保护腔，所述边沿的上表面设置有围绕所述过滤腔腔口的连接圈。 The utility model adopts the following technical scheme: a cell filter, comprising a plastic filter body, the plastic filter body comprising a cylindrical filter cartridge surrounding a filter cavity and a filter membrane arranged on the lower end surface of the cylindrical filter cartridge; The end face of the cylindrical filter cartridge is provided with a rim extending in the outer circumferential direction, the rim is arranged at an end away from the filter membrane, and the lower surface of the rim is provided with a protective sheet surrounding the cylindrical filter cartridge, A protective cavity is formed between the protective sheet and the cylindrical filter cartridge, and a connecting ring surrounding the opening of the filter cavity is provided on the upper surface of the rim.
通过实施上述技术方案，过滤腔内的液体经滤膜过滤，保护片的设置可有效防止过滤器因为与其它物质接触而污染里面的过滤液体；连接圈不仅方便向过滤腔内加入液体，而且可以通过圆柱形滤筒与连接圈配合，叠加使用过滤器，进行多次过滤，加强过滤效果，不同过滤器的滤膜的孔径可以不同，根据需要设定。 Through the implementation of the above technical scheme, the liquid in the filter cavity is filtered through the filter membrane, and the setting of the protective sheet can effectively prevent the filter from polluting the filtered liquid inside due to contact with other substances; the connecting ring is not only convenient for adding liquid into the filter cavity, but also can Through the cooperation of the cylindrical filter cartridge and the connecting ring, the filters are superimposed to perform multiple filtrations to enhance the filtration effect. The pore diameters of the filter membranes of different filters can be different and can be set according to needs.
作为优选，所述连接圈的内径大于所述过滤腔的直径，所述连接圈的内侧设置限位圈，所述限位圈的直径小于所述过滤腔的直径，便于两个及以上过滤器叠加，多重过滤。 Preferably, the inner diameter of the connecting ring is larger than the diameter of the filter cavity, and a limiting ring is arranged on the inner side of the connecting ring, and the diameter of the limiting ring is smaller than the diameter of the filtering cavity, which is convenient for two or more filters Overlay, multiple filters.
作为优选，所述圆柱形滤筒的下表面设置有若干支撑块，支撑块可以在过滤器置于桌面等物件上时，滤膜不接触桌面，防止污染；又可以在两个及以上过滤器叠放时，可以与连接圈之间形成缝隙，防止相邻过滤器之间形成的空间与外界气压不一致，导致过滤速度减慢。 As a preference, the lower surface of the cylindrical filter cartridge is provided with several support blocks, and the support blocks can prevent the filter membrane from touching the table when the filter is placed on the table, so as to prevent pollution; When stacked, a gap can be formed between the connecting rings to prevent the space formed between adjacent filters from being inconsistent with the external air pressure, resulting in slower filtration speed.
作为优选，所述圆柱形滤筒上设置若干轴向凸棱，所述支撑块由所述轴向凸棱延伸而形成，加强了圆柱形滤筒整体的强度，简化了加工工艺。 Preferably, several axial ribs are arranged on the cylindrical filter cartridge, and the support block is formed by extending the axial ribs, which strengthens the overall strength of the cylindrical filter cartridge and simplifies the processing technology.
作为优选，所述圆柱形滤筒的下表面低于所述保护片的下表面，在使用时，保护片的下表面支托在离心管上，只有圆柱形滤筒的下部落入离心管中，防止离心管内的液面过高而与滤膜接触。 As preferably, the lower surface of the cylindrical filter cartridge is lower than the lower surface of the protective sheet, and in use, the lower surface of the protective sheet is supported on the centrifuge tube, and only the bottom of the cylindrical filter cartridge falls into the centrifuge tube , to prevent the liquid level in the centrifuge tube from being too high and contacting the filter membrane.
作为优选，所述保护片具有一开口，便于观察圆柱形滤筒内过滤液体的量以及过滤情况。 Preferably, the protective sheet has an opening, which is convenient for observing the amount of filtered liquid and the filtering condition in the cylindrical filter cartridge.
作为优选，所述保护片外表面设置有手持片。 Preferably, the outer surface of the protection sheet is provided with a handle sheet.
作为优选，所述保护片外表面设置有防滑棱。 Preferably, the outer surface of the protection sheet is provided with anti-skid ribs.
作为优选，所述圆柱形滤筒的端面上设置有位于所述滤膜下方的亲水性材料制成的支托杆。不仅能够支托住滤膜，保护滤膜，而且在由于滤膜与过滤液体之间存在张力而导致液体过滤慢的情况下，解除其张力，液体更容易顺着支托杆流下。 Preferably, the end surface of the cylindrical filter cartridge is provided with a supporting rod made of a hydrophilic material under the filter membrane. Not only can the filter membrane be supported and protected, but also when the liquid is filtered slowly due to the tension between the filter membrane and the filtered liquid, the tension can be released, and the liquid can flow down the support rod more easily.
通过实施上述技术方案，本实用新型所提供的过滤器与离心管或其它管体配合使用进行细胞的过滤，操作方便，过滤器的加工工艺简单，可以多个叠加使用，进行多次过滤，加强过滤效果，对过滤液体的保护效果好，受污染几率小。 By implementing the above technical scheme, the filter provided by the utility model can be used in conjunction with centrifuge tubes or other tubes to filter cells. The operation is convenient, and the processing technology of the filter is simple. Filtration effect, good protection effect on filtered liquid, less chance of contamination.
附图说明 Description of drawings
附图1为本实用新型一实施例的结构示意图； Accompanying drawing 1 is the structural representation of an embodiment of the utility model;
附图2为附图1的仰视图； Accompanying drawing 2 is the bottom view of accompanying drawing 1;
附图3为本实用新型另一个实施例的结构示意图； Accompanying drawing 3 is the structural representation of another embodiment of the utility model;
附图4为本实用新型另一实施例的结构示意图。 Accompanying drawing 4 is the structure diagram of another embodiment of the utility model.
具体实施方式 detailed description
下面结合附图和具体实施例，对本实用新型作进一步详细说明。 Below in conjunction with accompanying drawing and specific embodiment, the utility model is described in further detail.
实施例1： Example 1:
一种细胞过滤器，如附图1、2所示，包括塑料过滤体，整个塑料过滤体包括围成过滤腔11的圆柱形滤筒12和圆柱形滤筒12下端面上的滤膜；过滤的液体倒入过滤腔11内，经滤膜过滤。圆柱形滤筒12的另一个端面，也即远离滤膜的那个端面，设置有向外圆周方向延伸的边沿121；边沿121的下表面设置有围绕在圆柱形滤筒12外的保护片122，保护片122具有一开口1221，与圆柱形滤筒12之间形成保护腔，并且圆柱形滤筒12的下表面低于保护片122的下表面；保护片122外表面设置有防滑棱1223。边沿121的上表面设置有围绕过滤腔11腔口的连接圈123，并且连接圈123的内径大于过滤腔11的直径，连接圈123的内侧设置直径小于过滤腔11的直径的限位圈1231。圆柱形滤筒12的下表面设置支撑块124，3-6块即可，本实施例为4块。 A kind of cell filter, as shown in accompanying drawing 1, 2, comprises plastic filter body, and whole plastic filter body comprises the filter membrane that surrounds cylindrical filter cartridge 12 and cylindrical filter cartridge 12 lower end faces of filtering cavity 11; The liquid is poured into the filter cavity 11 and filtered through the filter membrane. The other end face of the cylindrical filter cartridge 12, that is, the end face away from the filter membrane, is provided with a rim 121 extending in the outer circumferential direction; the lower surface of the rim 121 is provided with a protective sheet 122 surrounding the cylindrical filter cartridge 12, The protection sheet 122 has an opening 1221 , forming a protection chamber with the cylindrical filter cartridge 12 , and the lower surface of the cylindrical filter cartridge 12 is lower than the lower surface of the protection sheet 122 ; The upper surface of the edge 121 is provided with a connecting ring 123 surrounding the mouth of the filter cavity 11, and the inner diameter of the connecting ring 123 is larger than the diameter of the filter cavity 11, and the inside of the connecting ring 123 is provided with a limiting ring 1231 whose diameter is smaller than the diameter of the filter cavity 11. The lower surface of the cylindrical filter cartridge 12 is provided with support blocks 124, 3-6 blocks are enough, and the present embodiment is 4 blocks.
实施例2： Example 2:
如附图3所示的一种细胞过滤器，包括塑料过滤体，整个塑料过滤体包括围成过滤腔11的圆柱形滤筒12和圆柱形滤筒12下端面上的滤膜；过滤的液体倒入过滤腔11内，经滤膜过滤。圆柱形滤筒12的另一个端面，也即远离滤膜的那个端面，设置有向外圆周方向延伸的边沿121；边沿121的下表面设置有围绕在圆柱形滤筒12外的保护片122，保护片122具有一开口1221，与圆柱形滤筒12之间形成保护腔，并且圆柱形滤筒12的下表面低于保护片122的下表面；保护片122外表面设置有防滑棱1223和一个手持片1222。边沿121的上表面设置有围绕过滤腔11腔口的连接圈123，并且连接圈123的内径大于过滤腔11的直径，连接圈123的内侧设置直径小于过滤腔11的直径的限位圈1231。圆柱形滤筒12上设置若干根轴向凸棱，根数根据圆柱形滤筒12的大小而定，围绕在圆柱形滤筒12外表面均匀分布，本实施例为4根；由轴向凸棱向圆柱形滤筒12的端面延伸而形成支撑块124。 A kind of cell filter as shown in accompanying drawing 3, comprises plastic filter body, and whole plastic filter body comprises the filter membrane that surrounds cylindrical filter cartridge 12 and cylindrical filter cartridge 12 lower end faces of filter chamber 11; Filtered liquid Pour into the filter chamber 11 and filter through the filter membrane. The other end face of the cylindrical filter cartridge 12, that is, the end face away from the filter membrane, is provided with a rim 121 extending in the outer circumferential direction; the lower surface of the rim 121 is provided with a protective sheet 122 surrounding the cylindrical filter cartridge 12, The protective sheet 122 has an opening 1221, forming a protective cavity with the cylindrical filter cartridge 12, and the lower surface of the cylindrical filter cartridge 12 is lower than the lower surface of the protective sheet 122; the outer surface of the protective sheet 122 is provided with an anti-slip edge 1223 and a 1222 for handheld tablet. The upper surface of the edge 121 is provided with a connecting ring 123 surrounding the mouth of the filter cavity 11, and the inner diameter of the connecting ring 123 is larger than the diameter of the filter cavity 11, and the inside of the connecting ring 123 is provided with a limiting ring 1231 whose diameter is smaller than the diameter of the filter cavity 11. Several axial ribs are arranged on the cylindrical filter cartridge 12, the number of which depends on the size of the cylindrical filter cartridge 12, and are evenly distributed around the outer surface of the cylindrical filter cartridge 12. In this embodiment, there are 4 ribs; Ribs extend toward the end surface of the cylindrical filter cartridge 12 to form support blocks 124 .
实施例3： Example 3:
一种细胞过滤器，与实施例2的不同在于，圆柱形滤筒12的端面上设置有位于滤膜下方的亲水性的支托杆125两根，交叉设置。 A cell filter, the difference from Embodiment 2 is that two hydrophilic support rods 125 located below the filter membrane are arranged on the end surface of the cylindrical filter cartridge 12, and are arranged crosswise.
Claims (9)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620046715.5U CN205473754U (en) | 2016-01-19 | 2016-01-19 | a cell filter |
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| CN201620046715.5U CN205473754U (en) | 2016-01-19 | 2016-01-19 | a cell filter |
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| CN205473754U true CN205473754U (en) | 2016-08-17 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105482994A (en) * | 2016-01-19 | 2016-04-13 | 浙江硕华医用塑料有限公司 | Cell filler |
-
2016
- 2016-01-19 CN CN201620046715.5U patent/CN205473754U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105482994A (en) * | 2016-01-19 | 2016-04-13 | 浙江硕华医用塑料有限公司 | Cell filler |
| CN105482994B (en) * | 2016-01-19 | 2018-02-16 | 浙江硕华医用塑料有限公司 | A kind of cell filter |
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Address after: 313220 No. 148 Longshan Road, Zhong tube Town, Huzhou, Zhejiang, Deqing County Patentee after: ZHEJIANG SORFA LIFE SCIENCE RESEARCH Co.,Ltd. Address before: 313220 No. 148 Longshan Road, Zhong tube Town, Huzhou, Zhejiang, Deqing County Patentee before: ZHEJIANG SORFA MEDICAL PLASTIC Co.,Ltd. |
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Granted publication date: 20160817 |