CN220618929U - Multi-medium device capable of synchronously co-scribing and separating bacteria - Google Patents
Multi-medium device capable of synchronously co-scribing and separating bacteria Download PDFInfo
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- CN220618929U CN220618929U CN202322125702.XU CN202322125702U CN220618929U CN 220618929 U CN220618929 U CN 220618929U CN 202322125702 U CN202322125702 U CN 202322125702U CN 220618929 U CN220618929 U CN 220618929U
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- Apparatus Associated With Microorganisms And Enzymes (AREA)
Abstract
The utility model provides a multi-culture-medium device capable of synchronously co-scribing and separating bacteria, which relates to the technical field of microorganism detection and comprises a culture dish and a shaping plate, wherein a plurality of longitudinal partition boards with the same height are arranged in the culture dish, the interior of the culture dish is divided into a plurality of chambers by the longitudinal partition boards, the height of the longitudinal partition boards is smaller than or equal to the height of the side wall of the culture dish, liquid adding holes are formed in the bottom or the side wall of the culture dish, the number of the liquid adding holes is the same as that of the chambers, and each liquid adding hole is respectively communicated with one chamber; the shaping plate can be detached and arranged at the top of the culture dish, and a flexible layer is arranged on one surface of the shaping plate, facing the culture dish, and is used for forming a closed cavity together with the longitudinal partition plate and the side wall of the culture dish. The utility model can ensure the smooth transition of the surface of each culture medium transition position, thereby realizing synchronous co-scribing on the surfaces of a plurality of culture mediums at one time and greatly improving the scribing efficiency.
Description
Technical Field
The utility model relates to the technical field of microorganism detection, in particular to a multi-medium device capable of synchronously co-streaking and separating bacteria.
Background
Microorganism culture, particularly bacterial culture, is one of the most important methods among the microorganism detection methods. The most critical step in the cultivation method is the solid cultivation method, namely, the mixed microorganisms in the sample are subjected to streak separation cultivation on the surface of a solid medium to obtain a single colony pure culture. The key point of the solid culture method is that the culture medium with agar as basic component is heated and melted in water medium to form colloid, and cooled and solidified in a container such as a plate to form gel structure, so as to support the independent growth and proliferation of single bacteria on different areas of the agar gel surface to form single bacterial colony. At present, a culture medium is commonly used, namely, a culture dish is added into a culture dish, the culture dish is streaked for separation culture, and a plurality of culture mediums are respectively added into a plurality of grids, but the surfaces of the culture mediums in the grids are mutually independent, and when the culture mediums are streaked, independent streaking is still needed, and the culture mediums are substantially in uncorrelated asynchronous streaking.
In order to improve the detection rate of target bacteria, in the prior art, when the target bacteria are detected, two or more culture medium plates are generally used for streak separation culture for the same sample, the same sample is required to be respectively sampled by a bacteria taking ring, and two or three lines of streaks are separated from different culture mediums, so that the complex manual operation and large workload of inspection personnel can be caused. In particular, in the detection of sudden public health events, such as the detection of outbreak of food-borne diseases, one sample is usually inoculated with more than ten culture mediums, and the sample size is usually large, and each culture medium is independently streaked on the surface, so that the workload is extremely large, and the timeliness of disease prevention and control can be influenced.
Disclosure of Invention
In order to solve the defects in the prior art, the utility model aims to provide a multi-medium device capable of synchronously co-streaking and separating bacteria, multiple culture mediums can be filled in the same device, and the multiple culture mediums are uniformly transited, so that the surfaces of the culture mediums can be synchronously co-streaked.
In order to achieve the above purpose, the utility model provides a multi-culture-medium device capable of synchronously co-scribing and separating bacteria, which comprises a culture dish and a shaping plate, wherein a plurality of longitudinal partition boards with the same height are arranged in the culture dish, the interior of the culture dish is divided into a plurality of chambers by the longitudinal partition boards, the height of the longitudinal partition boards is smaller than or equal to the height of the side wall of the culture dish, liquid adding holes are formed in the bottom or the side wall of the culture dish, the number of the liquid adding holes is the same as that of the chambers, and each liquid adding hole is respectively communicated with one chamber; the shaping plate can be detached and arranged at the top of the culture dish, and a flexible layer is arranged on one surface of the shaping plate, facing the culture dish, and is used for forming a closed cavity together with the longitudinal partition plate and the side wall of the culture dish.
Preferably, one side edge of the longitudinal partition plate coincides with the central axis of the culture dish, the other side edge of the longitudinal partition plate is fixedly connected with the side wall of the culture dish, and the bottom edge of the longitudinal partition plate is fixedly connected with the inner wall of the bottom surface of the culture dish.
Preferably, the liquid adding hole is provided with a tubular structure at the outer wall of the culture dish, and the joint of the tubular structure and the outer wall of the culture dish adopts right angle or arc transition.
Preferably, the device further comprises sealing components, and each liquid adding hole is provided with one sealing component correspondingly.
Preferably, the flexible layer is fixedly arranged on one surface of the shaping plate facing the culture dish; or the flexible layer is of an independent structure and is arranged between the shaping plate and the culture dish in an extrusion mode.
Preferably, when the height of the longitudinal partition plate is smaller than that of the side wall of the culture dish, internal threads are arranged at the position, higher than the longitudinal partition plate, of the side wall of the culture dish, the diameter of the shaping plate is equal to the inner diameter of the culture dish, a raised handle is arranged on one surface, not facing the culture dish, of the shaping plate, and external threads matched with the internal threads are arranged on the edge of the shaping plate;
or when the height of the longitudinal partition plate is smaller than that of the side wall of the culture dish, an internal thread is arranged at the position, higher than the longitudinal partition plate, of the inner side of the side wall of the culture dish, the diameter of the shaping plate is equal to the inner diameter of the culture dish, a raised handle is arranged on one surface, which does not face the culture dish, of the shaping plate, an annular side wall is arranged on the edge, which does not face the culture dish, of the shaping plate, and an external thread matched with the internal thread is arranged on the outer side of the annular side wall;
or when the height of the longitudinal partition plate is smaller than that of the side wall of the culture dish, the diameter of the shaping plate is equal to the inner diameter of the culture dish, a raised handle is arranged on one surface of the shaping plate, which does not face the culture dish, and the shaping plate is fixedly connected with the culture dish by using an elastic clamp or a first rubber sleeve.
Preferably, when the height of the longitudinal partition plate is equal to the height of the side wall of the culture dish, external threads are arranged on the outer side of the side wall of the culture dish, the diameter of the shaping plate is equal to the outer diameter of the culture dish, an annular side wall is arranged at the edge of one surface of the shaping plate, facing the culture dish, of the shaping plate, and internal threads matched with the external threads are arranged on the inner side of the annular side wall;
or when the height of the longitudinal partition plate is equal to the height of the side wall of the culture dish, external threads are arranged on the outer side of the side wall of the culture dish, the diameter of the shaping plate is equal to the outer diameter of the culture dish, an annular side wall is arranged at the edge of one surface of the shaping plate, facing the culture dish, an internal thread matched with the external threads is arranged on the inner side of the annular side wall, and longitudinal stripes are arranged on the outer side of the annular side wall;
or when the height of the longitudinal partition plate is equal to the height of the side wall of the culture dish, the diameter of the shaping plate is larger than the outer diameter of the culture dish, and the shaping plate is fixedly connected with the culture dish by using the second rubber sleeve.
Preferably, the culture dish cover further comprises a culture dish cover, wherein the inner diameter of the culture dish cover is larger than the outer diameter of the culture dish, and the culture dish cover is used for covering the upper surface of the culture dish after the shaping plate is detached.
Preferably, when the height of the longitudinal partition is equal to the height of the side wall of the culture dish, the diameter of the bottom plate of the culture dish is larger than the outer diameter of the side wall, and the inner diameter of the culture dish cover is smaller than the diameter of the bottom plate of the culture dish.
Preferably, the culture dish further comprises a handle ring, wherein the handle ring is circumferentially arranged on the outer surface of the side wall of the culture dish.
Compared with the prior art, the utility model has the beneficial effects that:
the utility model provides a multi-culture-medium device capable of synchronously co-scribing and separating bacteria, which is characterized in that liquid adding holes are formed in the bottom or the side surface of a culture dish, different culture mediums are respectively filled in a plurality of chambers in an inverted liquid adding mode, after the culture mediums solidify, a shaping plate is taken down, and a culture dish cover is covered for storage for standby, so that the smooth transition of the surface of each culture medium transition position can be ensured, the synchronous co-scribing of the surfaces of the culture mediums can be realized at one time, the scribing workload is reduced, the scribing efficiency is improved, and the timeliness of disease prevention and control can be ensured when sudden public health events occur.
Additional aspects of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model.
FIG. 1 is a schematic diagram of a multi-media device for simultaneous co-streaking of bacteria provided by the present utility model;
FIG. 2 is a schematic illustration of a liquid addition well disposed at the bottom of a culture dish;
FIG. 3 is a schematic view of the structure of the shaping plate and flexible layer;
FIG. 4 is a schematic view of a structure in which the height of the longitudinal partition is smaller than the height of the side wall of the culture dish;
FIG. 5 is a schematic illustration of the liquid addition holes provided in the side of the culture dish;
FIG. 6 is a schematic view showing the structure of the extension of the side wall of the culture dish;
FIG. 7 is a schematic view of the structure of the internal threads on the inner wall of the culture dish;
FIG. 8 is a schematic view of a design of the forming plate with external threads;
FIG. 9 is a schematic view of a configuration of the shaping plate with a first annular sidewall;
FIG. 10 is a schematic structural view of a first gum cover;
FIG. 11 is a schematic view of a configuration of the shaping plate with a second annular sidewall;
FIG. 12 is a schematic view of the structure of the external threads provided on the side wall of the culture dish;
FIG. 13 is a schematic structural view of a second gum cover;
FIG. 14 is a schematic view of the structure of the culture dish cover on the culture dish;
FIG. 15 is a schematic view of the structure of the ring culture dish with handles.
Wherein, 1, culture medium; 2. shaping plates; 3. a longitudinal separator; 4. a liquid adding hole; 5. a flexible layer; 6. a raised handle; 7. a first annular sidewall; 8. a first gum cover; 81. a groove; 9. a second annular sidewall; 10. longitudinal stripes; 11. the second rubber sleeve; 12. a culture dish cover; 13. a culture dish bottom plate; 14. the ring is held.
Detailed Description
The utility model will be further described with reference to the drawings and examples.
As shown in fig. 1-15, a multi-culture medium device capable of synchronously co-scribing and separating bacteria comprises a culture dish 1 and a shaping plate 2, wherein a plurality of longitudinal partition boards 3 with the same height are arranged in the culture dish 1, the culture dish is divided into a plurality of chambers by the plurality of longitudinal partition boards 3, the height of the longitudinal partition boards 3 is smaller than or equal to the height of the side wall of the culture dish, liquid adding holes 4 are formed in the bottom or the side wall of the culture dish 1, the number of the liquid adding holes 4 is the same as that of the chambers, and each liquid adding hole 4 is respectively communicated with one chamber; the shaping plate 2 can be detached and arranged at the top of the culture dish 1, and one surface of the shaping plate 2 facing the culture dish 1 is provided with a flexible layer 5 for forming a closed chamber together with the longitudinal partition plate 3 and the side wall of the culture dish.
In the prior art, a device capable of filling a plurality of culture mediums at one time, ensuring that the surfaces of the culture mediums can realize smooth transition and not mutually contacting to influence respective components is lacking. Based on this, the present application first studied the way the device is used. Through researches, the separation plate is adopted to directly isolate, or a method of extracting the separation plate is adopted, the problem of uneven edges exists, the potential risk of contact of the culture medium exists in the latter, the mode of inverted liquid filling is finally selected, the liquid filling on the upper surface of the original culture medium is changed into the liquid filling through the side surface or the bottom, the shaping plate is removed after the culture medium is solidified, and the dish cover is covered for refrigeration. After determining the mode of upside-down liquid filling, the specific shapes of the culture dish and the shaping plate and the matching relation between the culture dish and the shaping plate are designed based on the mode.
The main body of the culture dish is a round dish with the radius of 4cm-15cm, preferably 4.5cm-9cm, and is open at the upper side and closed at the bottom. In order to facilitate scribing and improve scribing efficiency, the embodiment selects a central radial longitudinal partition board, namely, one side edge of each longitudinal partition board is located at a central shaft of the culture dish, the other side edge is fixedly connected with the side wall of the culture dish, the bottom edge is fixedly connected with the inner wall of the bottom surface of the culture dish, the number of the longitudinal partition boards is 2-10, and 3 longitudinal partition boards are taken as an example in the drawing of the embodiment. The height of each longitudinal partition is uniform and needs to be less than (as shown in fig. 4) or equal to (as shown in fig. 1) the height of the side wall of the culture dish to ensure that inverted loading of the liquid can be achieved without mixing the culture media. The bottom (shown in figure 2) or the side wall (shown in figure 5) of the culture dish is provided with a liquid adding hole which is semi-elliptical, semicircular, elliptical or circular. For the liquid adding hole on the side wall, a protruding tubular structure can be arranged, the joint of the tubular structure and the dish wall adopts vertical right-angle transition or arc transition, the liquid adding hole is designed to have a certain protrusion, and the transition section is arc-shaped, so that liquid can be easily added. In addition, if the liquid adding hole is at the bottom of the culture dish, the side wall of the culture dish can be extended to be longer than the liquid adding hole, so that the liquid adding hole is protected, as shown in fig. 6.
Each filling hole needs to be provided with a proper sealing part, so that the filling holes are closed after the culture medium is filled, and pollution is avoided. The sealing component can be selected from rubber plug, rubber cover, plastic plug, plastic cover, adhesive film with or without adhesive, plastic film with or without adhesive, etc.
The shaping plate is detachable shaping plate, selects the circular hard plastic plate that has smooth surface of radius 4cm-16cm, sets up the flexible layer between shaping plate and culture dish inner wall and the longitudinal baffle, and as shown in fig. 3, the flexible layer is silica gel, rubber or plastic film, through viscose and shaping plate bonding, and the size is big with the shaping plate equi or slightly is greater than the shaping plate, and the shaping plate outward flange is lived in the parcel for realize sealed effect. In addition, also can select to use independent membrane, be equipped with alone promptly with shaping plate equilarge silica gel, rubber or plastic film, independent membrane uses when conveniently storing, need during the use with independent membrane extrusion between shaping plate and culture dish, with shaping plate and culture dish's upper surface in close contact to guarantee independent membrane towards one side of culture dish, cover the face level and smooth, tear after waiting to use can.
After the structure is determined, the connection mode of the shaping plate and the culture dish needs to be determined. Because of adopting inverted liquid filling, the close contact between the shaping plate and the side wall of the culture dish and the longitudinal partition plate needs to be ensured, and liquid leakage is avoided.
In some embodiments, the height of the longitudinal baffle is less than the height of the side wall of the dish, and the diameter of the shaping plate needs to be equal to the inner diameter of the dish to ensure that the shaping plate can be placed into the dish and in contact with the upper surface of the longitudinal baffle. The shaping plate is in threaded connection with the culture dish. As shown in fig. 7 to 8, an internal thread is provided at a position higher than the longitudinal partition plate on the inner wall of the culture dish, an external thread matched with the internal thread is provided at the edge of the shaping plate, and a raised handle 6 is provided at one side of the shaping plate, which is not oriented to the culture dish, so as to manually screw or take down the shaping plate. In order to avoid influencing the inverted use, it should be ensured that the height of the protrusions of the protruding handle does not exceed the side wall of the culture dish after screwing the shaping plate and the culture dish.
In some embodiments, the edge of the surface of the shaping plate, which is not facing the culture dish, may be provided with a first annular side wall 7, and an external thread is provided on the outer side of the first annular side wall 7, so as to increase the contact area with the internal thread, and ensure the reliability of connection, as shown in fig. 9.
In some embodiments, threaded connection between the shaping plate and the culture dish is not needed, and the shaping plate is not provided with a raised handle towards one surface of the culture dish. At this time, an auxiliary clamping and positioning device is needed, and an elastic clamp or a rubber sleeve can be adopted to fixedly connect the shaping plate with the culture dish. The elastic clamp is clamped at the edge of the side wall of the culture dish and props against the shaping plate, so that the fixation of the shaping plate and the culture dish is realized. The gum cover is rubber membrane or the silica gel membrane cover of adaptation culture dish and design board combination, as shown in fig. 10, uses first gum cover 8 to fix, and the edge of first gum cover 8 is provided with recess 81, and the groove width of recess 81 equals with the thickness of culture dish lateral wall, and the degree of depth of recess 81 equals the design board and puts into the culture dish after, and the design board top edge is to the height at culture dish lateral wall top to can be after putting into the culture dish with the design board, establish first gum cover at the culture dish top, and support the design board, realize fixing.
In other embodiments, the height of the longitudinal partition is equal to the height of the side wall of the culture dish, i.e. the upper surface of the longitudinal partition is flush with the upper surface of the culture dish, in which case the culture dish and the shaping plate may be connected by means of a threaded connection as well. Specifically, as shown in fig. 11-12, an external thread is arranged on the outer side of the side wall of the culture dish, the diameter of the shaping plate is equal to the outer diameter of the culture dish, a second annular side wall 9 is arranged on the edge of one surface of the shaping plate facing the culture dish, and an internal thread is arranged on the second annular side wall and is matched with the external thread on the culture dish.
In some embodiments, longitudinal stripes 10 are provided on the outside of the second annular sidewall to facilitate hand friction rotation.
In some embodiments, instead of using a threaded connection, an auxiliary clamping and positioning device may be used to fix the culture dish to the shaping plate, where the auxiliary clamping and positioning device may use a second rubber sleeve 11, as shown in fig. 13. The middle part of the second rubber sleeve 11 is provided with a cylindrical groove, and the diameter of the cylindrical groove is equal to the outer diameters of the culture dish and the shaping plate; because the gum cover has elasticity, the diameter of cylindric recess also can be slightly less than the external diameter of culture dish and shaping board to can closely wrap up culture dish and shaping board, guarantee that both are fixed, take place the weeping when avoiding inverting.
As shown in FIG. 14, the apparatus further includes a culture dish cover 12, the inner diameter of the culture dish cover 12 being slightly larger than the outer diameter of the culture dish for covering the upper surface of the culture dish after the shaping plate is removed. When the height of the longitudinal partition plate is equal to the height of the side wall of the culture dish, the diameter of the bottom plate 13 of the culture dish is larger than the outer diameter of the side wall by 2mm-1cm, and the inner diameter of the cover of the culture dish is smaller than the diameter of the bottom plate of the culture dish. The purpose of this kind of design is in order to solve the space distance problem between culture dish and the culture dish lid, extends the design at the culture dish bottom, can hold the lower limb of culture dish lid, makes culture dish lid upper surface and culture medium surface leave certain space. In addition, when the side wall is provided with a longer liquid adding hole bulge, an adapting notch can be arranged at the corresponding position of the dish cover. The outer side of the dish bottom can be provided with a soft or hard handle ring 14, as shown in fig. 15, so that the dish bottom is convenient to take in use, and for the culture dish with the handle ring 14, the inner diameter of the matched culture dish cover can be set smaller than the outer diameter of the handle ring, and the handle ring is adopted to hold the lower edge of the culture dish cover.
The device provided by the embodiment, the using method comprises the following steps:
(1) Combining the culture dish with the shaping plate through a screw thread or auxiliary clamping and positioning device, namely, arranging one surface of the shaping plate with a flexible layer inwards on one surface of an opening of the culture dish to be matched, closing the surface, forming an independent cavity in a space separated by a longitudinal partition plate, and tightly attaching the independent film on the inner side of the combination of the shaping plate and the culture dish to enable the coverage of the film on the opening of the culture dish to be smooth for the case that the flexible layer is the independent film;
(2) Packaging the device, the culture dish cover and the sealing part which are combined in the step (1), and sterilizing by peroxyethane or irradiation;
(3) Heating and melting various sterilized culture mediums into liquid, aseptically adding the liquid into different chambers separated in a culture dish through each liquid adding hole, standing for solidification of the culture medium, or adding one or more liquid adding holes, standing for solidification, adding one or more liquid adding holes, circulating until the liquid adding is finished, and sealing the liquid adding holes by a sealing component before or after solidification of the culture medium according to different conditions;
(4) Before or just after storage, the shaping plate is detached by unscrewing or opening the sealing part, or the independent film is torn off just before use, and the culture dish cover is covered;
(5) And (3) marking different culture medium surfaces of the whole culture dish by using a common linear marking method, a spiral marking method or a common linear marking and spiral marking method synchronously and co-marking, so as to finish the marking step.
The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (10)
1. The multi-culture-medium device capable of synchronously co-scribing and separating bacteria is characterized by comprising a culture dish and a shaping plate, wherein a plurality of longitudinal partition boards with the same height are arranged in the culture dish, the interior of the culture dish is divided into a plurality of chambers by the longitudinal partition boards, the height of the longitudinal partition boards is smaller than or equal to the height of the side wall of the culture dish, liquid adding holes are formed in the bottom or the side wall of the culture dish, the number of the liquid adding holes is the same as that of the chambers, and each liquid adding hole is respectively communicated with one chamber; the shaping plate can be detached and arranged at the top of the culture dish, and a flexible layer is arranged on one surface of the shaping plate, facing the culture dish, and is used for forming a closed cavity together with the longitudinal partition plate and the side wall of the culture dish.
2. The multi-medium device for simultaneous co-streaking bacteria separation as in claim 1 wherein one side of the longitudinal partition coincides with the central axis of the culture dish and the other side is fixedly connected to the side wall of the culture dish and the bottom edge of the longitudinal partition is fixedly connected to the inner wall of the bottom surface of the culture dish.
3. The multi-medium device capable of synchronously co-streaking and separating bacteria according to claim 1, wherein the liquid adding holes are provided with tubular structures at the outer wall of the culture dish, and the connection part of the tubular structures and the outer wall of the culture dish adopts right angle or arc transition.
4. The apparatus for simultaneous co-streaking bacteria separation of claim 1 further including sealing means, one for each feed port.
5. A multi-medium device for simultaneous co-streaking bacteria separation as in claim 1 wherein the flexible layer is fixedly provided on the side of the plate facing the dish;
or the flexible layer is of an independent structure and is arranged between the shaping plate and the culture dish in an extrusion mode.
6. The multi-medium device capable of synchronously co-scribing and separating bacteria according to claim 1, wherein when the height of the longitudinal partition plate is smaller than that of the side wall of the culture dish, the side wall of the culture dish is provided with internal threads higher than the longitudinal partition plate, the diameter of the shaping plate is equal to the inner diameter of the culture dish, the side of the shaping plate, which does not face the culture dish, is provided with a raised handle, and the edge of the shaping plate is provided with external threads matched with the internal threads;
or when the height of the longitudinal partition plate is smaller than that of the side wall of the culture dish, an internal thread is arranged at the position, higher than the longitudinal partition plate, of the inner side of the side wall of the culture dish, the diameter of the shaping plate is equal to the inner diameter of the culture dish, a raised handle is arranged on one surface, which does not face the culture dish, of the shaping plate, an annular side wall is arranged on the edge, which does not face the culture dish, of the shaping plate, and an external thread matched with the internal thread is arranged on the outer side of the annular side wall;
or when the height of the longitudinal partition plate is smaller than that of the side wall of the culture dish, the diameter of the shaping plate is equal to the inner diameter of the culture dish, a raised handle is arranged on one surface of the shaping plate, which does not face the culture dish, and the shaping plate is fixedly connected with the culture dish by using an elastic clamp or a first rubber sleeve.
7. The multi-medium device capable of synchronously co-scribing and separating bacteria according to claim 1, wherein when the height of the longitudinal partition plate is equal to the height of the side wall of the culture dish, external threads are arranged on the outer side of the side wall of the culture dish, the diameter of the shaping plate is equal to the outer diameter of the culture dish, an annular side wall is arranged at the edge of one surface of the shaping plate facing the culture dish, and internal threads matched with the external threads are arranged on the inner side of the annular side wall;
or when the height of the longitudinal partition plate is equal to the height of the side wall of the culture dish, external threads are arranged on the outer side of the side wall of the culture dish, the diameter of the shaping plate is equal to the outer diameter of the culture dish, an annular side wall is arranged at the edge of one surface of the shaping plate, facing the culture dish, an internal thread matched with the external threads is arranged on the inner side of the annular side wall, and longitudinal stripes are arranged on the outer side of the annular side wall;
or when the height of the longitudinal partition plate is equal to the height of the side wall of the culture dish, the diameter of the shaping plate is larger than the outer diameter of the culture dish, and the shaping plate is fixedly connected with the culture dish by using the second rubber sleeve.
8. The multi-media device for simultaneous co-streaking bacteria of claim 1 further including a culture dish cover having an inner diameter greater than an outer diameter of the culture dish for covering an upper surface of the culture dish after removal of the sizing plate.
9. The multi-media device of claim 8, wherein the dish has a bottom plate with a diameter greater than the outer diameter of the side walls and a dish cover with an inner diameter less than the bottom plate of the dish when the height of the longitudinal partition is equal to the height of the side walls of the dish.
10. The multi-media device of claim 1, further comprising a ring disposed around the outer surface of the side wall of the dish.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322125702.XU CN220618929U (en) | 2023-08-08 | 2023-08-08 | Multi-medium device capable of synchronously co-scribing and separating bacteria |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322125702.XU CN220618929U (en) | 2023-08-08 | 2023-08-08 | Multi-medium device capable of synchronously co-scribing and separating bacteria |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220618929U true CN220618929U (en) | 2024-03-19 |
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| CN202322125702.XU Active CN220618929U (en) | 2023-08-08 | 2023-08-08 | Multi-medium device capable of synchronously co-scribing and separating bacteria |
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| CN (1) | CN220618929U (en) |
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