Contact type bacteria culture dish
By designing a contact-type bacterial culture dish with built-in agar medium, the problems of experimental failure and high cost caused by improper operation were solved, achieving efficient and low-cost bacterial culture results.
Patent Information
- Application Number
- CN202423323870.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-31
- Publication Date
- 2026-01-16
- Estimated Expiration
- 2034-12-31
AI Technical Summary
Existing contact-type bacterial culture dishes pose a risk of failure due to improper handling during experiments, and high-quality culture dishes are expensive, making it difficult to meet the needs of experimental institutions with large-scale requirements.
Design a contact bacterial culture dish with built-in agar medium. The bottom of the dish is raised to increase the contact area. The inner side has mesh protrusions and markings to distinguish areas. Ventilation holes promote gas exchange. The lid fits the dish body with an interference fit. The material is glass, plastic or stainless steel.
It improves the efficiency and stability of bacterial culture, reduces experimental preparation work, lowers costs, promotes microbial growth through vents, and enhances holding stability and recording clarity.
Smart Images
Figure CN223805085U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a contact type bacterial culture dish, more specifically, it relates to a culture dish with a larger contact area and agar medium. BACKGROUND
[0002] As a common device in the field of biology, the contact type bacterial culture dish was designed and first introduced as early as the 19th century. This culture dish has a shallow and flat structure and is equipped with a matching cover. This culture dish not only simplifies experimental operations, but also improves experimental precision and prevents contamination, becoming an indispensable tool in the fields of microbiology and biomedical research.
[0003] With the development of technology, the technology of contact type bacterial culture dishes is also developing. Modern bacterial culture dishes often use flat, smooth, and sterile materials. These materials can usually meet the special needs of bacterial growth. Although this design has greatly reduced the risk of contamination, it is still possible to cause experimental failure due to improper operation or incomplete sterilization of the culture medium during the experiment. In addition, high-quality culture dishes are usually expensive, increasing the cost of experiments, especially for some new research institutions with high demand, making this problem more prominent. SUMMARY
[0004] In view of the deficiencies in the prior art, the purpose of the utility model is to provide a culture dish with
[0005] a larger contact area and agar medium.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a contact type bacterial culture dish, comprising a dish body, a dish cover, and a nutrient agar medium inside the dish body, the bottom of the dish body is upwardly convex, and the inner side of the dish body is provided with a first net-shaped convex that evenly divides the inside of the dish body into several areas.
[0007] By adopting the above technical scheme, the utility model is composed of three parts: the dish body, the dish cover matched with the dish body, and the pre-prepared agar medium. The upwardly convex bottom of the dish body can increase the culture area inside the dish body, so that bacterial culture can be carried out with a larger contact area. The agar medium inside the dish body is pre-prepared and cooled in the dish body using a standard process, which can reduce the preparation work during research.
[0008] The utility model is further provided with a digital and English identification on the inner side of the dish body, which is used to distinguish the several areas divided by the first net-shaped convex.
[0009] By adopting the technical scheme, the marks arranged on the inner side of the dish body can better distinguish the areas in the culture dish, for example, a different letter is arranged on each row and a different number is arranged on each column, so that the conditions of the areas of the culture dish can be more clearly recorded when recording research, and the areas can be distinguished by the combination of numbers and letters.
[0010] The utility model further sets up: the circumferential side of dish body is equipped with the vent hole that links dish body inside and outside, is used for the gas exchange of dish body inside and outside.
[0011] By adopting the technical scheme, the vent hole can promote the gas exchange between the inside of the culture dish and the outside, so as to benefit the growth and metabolism of microorganisms and also reduce the evaporation of water in the culture dish.
[0012] The utility model further sets up: the outer bottom surface of dish body is equipped with second netted protrusion.
[0013] By adopting the technical scheme, the outer bottom surface of the dish body is also provided with a netted protrusion, since the bottom of the cover culture dish is integrally upward protruding, a hemispherical gap exists on the bottom surface, and the netted protrusion arranged in the gap will be more beneficial to the holding of the hand during use, so that the dish body is more stable when placed on the experiment table surface.
[0014] The utility model further sets up: the dish cover and dish body are interference fit.
[0015] By adopting the technical scheme, the dish cover and the dish body are interference fit, the dish cover can be manually opened and also tightly covered on the dish body, the interference fit is simple and convenient, and the manufacturing cost is lower.
[0016] The utility model further sets up: the material of dish body and dish cover is glass, plastic or stainless steel.
[0017] By adopting the technical scheme, the material of the culture dish is selected from glass, plastic or stainless steel, some materials with stable properties and not easy to breed bacteria should be selected in the production process, and the selected material preferably also has certain elasticity, so that brittle fracture does not occur during use. BRIEF DESCRIPTION OF DRAWINGS
[0018] Fig. 1 It is a perspective view of the contact type bacterial culture dish of the utility model;
[0019] Fig. 2 It is a bottom view of the contact type bacterial culture dish of the utility model;
[0020] Wherein the reference signs are: 1, dish body; 2, dish cover; 3, nutrient agar medium; 4, first net-shaped convex; 5, mark; 6, air hole; 7, second net-shaped convex. DETAILED DESCRIPTION
[0021] REFERENCE Figs. 1-2 The outdoor tape lamp embodiment of the utility model is further described.
[0022] For ease of explanation, spatial relative terms such as "upper", "lower", "left", "right" and the like are used in the embodiments to describe one element or feature's relationship to another element or feature as illustrated in the drawings. It should be understood that the spatial terms are intended to encompass different orientations of the device in use or operation, except where expressly set forth in the claims. For example, if the device is turned over, an element described as on the other side of another element or feature would then be oriented on the same side of the other element or feature. Thus, the exemplary term "lower" can encompass both an up position as well as a down position. The device can be oriented in other ways (rotated 90 degrees or placed in any other orientation) and the spatially relative descriptors used herein interpreted accordingly.
[0023] A contact type bacterial culture dish comprises a dish body 1, a dish cover 2, and a nutrient agar medium 3 in the interior of the dish body 1. The bottom of the dish body 1 is upwardly convex, and the inner bottom surface of the dish body 1 is provided with a first net-shaped convex 4 that uniformly divides the interior of the dish body 1 into several areas. The utility model is composed of three parts, the dish body 1, the dish cover 2 matched with the dish body 1, and the agar medium prepared in advance. The upwardly convex bottom of the dish body 1 can increase the culture area in the interior of the dish body 1, so that bacterial culture can be carried out with a larger contact area. The agar medium in the interior of the dish body 1 is poured in advance using a standard process and cooled in the dish body 1, which can reduce the preparation work during research. The nutrient agar medium 3 is prepared using the following configuration process:
[0024] 1. A 3L conical glass bottle is used to add pancreatic peptone (20g), sodium chloride (20g), yeast extract (10g), and agar (30g) respectively;
[0025] 2. 2L of ultrapure water is added to the conical glass bottle, which is shaken uniformly after being covered with tin foil paper;
[0026] 3. The conical glass bottle is placed in a sterilization pot and heated at 121°C for 20 minutes. After sterilization, it is taken out and placed in a 70°C drying box, and the drying time is not more than 2 hours;
[0027] 4. After the temperature drops to about 55℃, add 2ml kanamycin or 2ml ampicillin, two kinds of antibiotics, one of the two, shake well, and then use a filling peristaltic pump to suck into a special 5L pre-dispensing bottle, and then use a filling peristaltic pump to dispense 20ml into a 90cm petri dish.
[0028] Further, the inner side of the dish body 1 is also provided with a digital and English form of identification 5, which is used to distinguish the areas divided by the first mesh-shaped protrusions 4. By adopting the above technical scheme, the identification 5 provided on the inner side of the dish body 1 can better distinguish the areas in the culture dish, for example, a different letter is provided in each row, and a different number is provided in each column. When recording research, the conditions of multiple culture dish areas can be recorded more clearly, and the combination of numbers and letters is used for distinction.
[0029] Further, the circumferential side of the dish body 1 is provided with a gas permeable hole 6 communicating the inner side and the outer side of the dish body 1, which is used for gas exchange between the inside and the outside of the dish body 1. By adopting the above technical scheme, the gas permeable hole 6 can promote the gas exchange between the inside and the outside of the culture dish, thereby facilitating the growth and metabolism of microorganisms and reducing the evaporation of water in the culture dish.
[0030] Further, the outer bottom surface of the dish body 1 is provided with a second mesh-shaped protrusion 7. By adopting the above technical scheme, the outer bottom surface of the dish body 1 is also provided with a mesh-shaped protrusion. Since the bottom of the cover culture dish is integrally upwardly protruding, there is a hemispherical gap in the bottom surface. The mesh-shaped protrusion in the gap will be more convenient for holding by hand during use, and the dish body 1 will be more stable when placed on the experimental table.
[0031] Further, the dish cover 2 is in interference fit with the dish body 1. By adopting the above technical scheme, the dish cover 2 and the dish body 1 are in interference fit. The dish cover 2 can be manually opened and tightly covered on the dish body 1. This kind of fit is simple and convenient, and the manufacturing cost is relatively low.
[0032] Further, the materials of the dish body 1 and the dish cover 2 are glass, plastic or stainless steel. By adopting the above technical scheme, the material of the culture dish is selected to be glass, plastic or stainless steel. In the production process, some materials with stable properties and not easy to breed bacteria should be selected. Preferably, the selected material also has a certain elasticity, and brittle fracture does not occur during use.
[0033] Moreover, relational terms such as "first" and "second", and the like can be used solely to distinguish one entity from another entity of a same type, e.g., without necessarily requiring or implying any such actual relationship or order between such entities.
[0034] The above merely describes preferred embodiments of the present application and is not intended to limit the present application, and any common change and replacement within the technical scheme of the present application made by those skilled in the art shall be included in the protection scope of the present application.
Claims
1. A contact type bacterial culture dish comprising a dish body (1), a dish cover (2), and further comprising a nutrient agar medium (3) inside the dish body (1), characterized in that, The bottom of the dish body (1) is upwardly convex, and the inner bottom surface of the dish body (1) is provided with a first net-shaped convex (4) for uniformly dividing the interior of the dish body (1) into several areas.
2. The contact type bacterial culture dish according to claim 1, wherein The inner side of the dish body (1) is further provided with a mark (5) in the form of numbers and English, which is used for distinguishing the several areas divided by the first net-shaped convex (4).
3. The contact type bacterial culture dish according to claim 1, wherein The circumferential side of the dish body (1) is provided with a gas-permeable hole (6) for communicating the inner side and the outer side of the dish body (1), which is used for gas exchange between the interior and the exterior of the dish body (1).
4. The contact type bacterial culture dish according to claim 1, wherein The outer bottom surface of the dish body (1) is provided with a second net-shaped convex (7).
5. The contact type bacterial culture dish according to claim 1, wherein The dish cover (2) is in interference fit with the dish body (1).
6. The contact type bacterial culture dish according to claim 1, wherein The material of the dish body (1) and the dish cover (2) is glass, plastic or stainless steel.