CN203333648U

CN203333648U - Separate culture device for biological samples

Info

Publication number: CN203333648U
Application number: CN2013203843734U
Authority: CN
Inventors: 姜世民; 黄国珍
Original assignee: Individual
Current assignee: Individual
Priority date: 2013-06-28
Filing date: 2013-06-28
Publication date: 2013-12-11
Anticipated expiration: 2023-06-28

Abstract

The utility model provides a separate culture device for biological samples. The separate culture device comprises a culture plate, a culture plate base and a branched inoculator, wherein the culture plate is composed of two culture dishes which are connected to each other bottom to bottom and can be separated from each other, the culture plate is vertically placed on the culture plate base, solid mediums are arranged at the bottoms of the culture dishes, through holes are formed in the upper ends and the lower ends of the culture dishes, sample pools communicated with the through holes in the lower ends of the culture dishes are arranged in the culture plate base, two branched inoculation arms of the branched inoculator span over the two sides of the culture plate and are inserted in the sample pools, an operating handle is arranged at the upper end of the branched inoculator, an inoculation ring is arranged at the lower end of the branched inoculator, and the operating handle is used for driving the inoculation ring at the lower end of the branched inoculator to conduct streak inoculation on the solid culture mediums. The separate culture device for the biological samples can be used for simultaneously providing multiple culture mediums so as to carry out separate culture on the same biological sample. By adopting the separate culture device, the growth conditions of bacteria, bacteria hemolysis rings and the like can be directly observed, the timeliness and the accuracy of experiments are improved, and the situation that operators are infected due to the direct contact with the sample is avoided.

Description

Biological specimen separation and Culture device

Technical field

The utility model relates to a kind of device that biological specimen is carried out to the microorganism separation and Culture, refers to particularly a kind of biological specimen separation and Culture device.

Background technology

In hospital clinical and medical research test, often need ight soil, urine, secretory product and throat, ear, anus, vaginal swab, sputum equal samples to patient to be analyzed and detect.Now general detection method is will be by the manual pre-treatment that carry out early stage to sample, after pre-treatment completes by the sample streak inoculation to culture dish, more manual the transferring in incubator of culture dish cultivated.There is great drawback in these a series of operating process: because operator very easily contact with sample in this case, easily cause infection, the healthy of operator constituted a serious threat.In addition, in the manual operation process, because above-mentioned sample also can send bad smell, so its meeting impact analysis and laboratory technician's operation, thereby the accuracy of impact analysis result.The utility model patent that China Patent No. is 200520096773.0 " biological specimen automatization plate for isolated cultures " discloses a kind of culture plate that biological specimen is gathered and sample is carried out the bacterium separation and Culture, two sides of its square culture plate are equipped with a plane fallen in, be filled with substratum on this plane, the two ends of capping have jack, activity is inserted with forked inoculator in jack, and it is close that the transfering loop of inoculator extends to bottom and the culture plate of square culture plate.Described capping is the cylindrical hollow shape, and its horizontal plane is provided with shrinkage pool, and its two ends have jack; Be provided with a crossover sub between described capping and square culture plate; Described inoculator is comprised of handle, crossbeam, inoculator arm and transfering loop, and handle is fixed on the central authorities of crossbeam, and the two ends of crossbeam are connected with respectively two inoculator arms, the transfering loop that inoculator arm lower end is oblique inboard; The crossbeam lower end of described inoculator is provided with plug-in card; The bottom of described culture plate is provided with spacing hole.The shortcoming that the separation and Culture instrument of this structure exists is: due to this structure, the both sides of culture plate have solid medium to exist, and cause and can't watch by the mode of printing opacity the information such as zone of hemolysis of the bacterium grown on substratum.And watch the bacterium zone of hemolysis, it is a very important link in microbial cultivation process.This two-sided culture plate structure, when sample only needs a kind of substratum to carry out separation and Culture, often causes the waste of substratum in addition, causes testing cost to increase.

Summary of the invention

The purpose of this utility model is exactly to overcome the defect that existing biological specimen culture plate exists, and provides a kind of and separate culture sample, is convenient to observe the biological specimen culture plate of bacterium zone of hemolysis.

For achieving the above object, the biological specimen separation and Culture device that the utility model is designed, it comprises culture plate, culture plate pedestal and dichotomous inoculator, its special character is: described culture plate is by the bottom of two, the interconnective culture dish in the end being formed, described culture plate is vertically fixed on the culture plate pedestal, described culture dish bottom is provided with solid medium, described culture dish upper and lower ends all has through hole, be provided with the sample pool be communicated with culture dish lower end through hole in described culture plate pedestal, two inoculation arms of described dichotomous inoculator stride across the culture plate both sides, through hole through the culture dish upper and lower ends inserts sample pool successively, described dichotomous inoculator upper end is provided with operation handle arm, described dichotomous inoculator lower end is provided with transfering loop, described operation handle arm drives transfering loop streak inoculation on solid medium of dichotomous inoculator lower end.

Further, described culture plate pedestal is provided with the sample entrance be connected with sample pool.

Further, described culture dish is formed by connecting the end of at the bottom of by two culture dish that can separate, and two culture dish are all made of transparent material.

The utility model has the advantage of: designed biological specimen separation and Culture device can provide multiple substratum to a biological specimen, carrying out separation and Culture simultaneously, for lab assistant provides more microbial culture information, directly observe bacterial growth situation and bacterium zone of hemolysis by transparent culture dish, improved promptness and the accuracy of experiment; Avoid directly contacting sample, cause operator's infection.

The accompanying drawing explanation

The structural representation that Fig. 1 is a kind of biological specimen separation and Culture device.

In figure, the each several part label is as follows: culture plate 1(is culture dish 1.1 wherein; Through hole 1.2); Culture plate pedestal 2(is wherein: sample pool 2.1; Sample entrance 2.2); Dichotomous inoculator 3(is wherein: operation handle arm 3.1; Inoculation arm 3.2).

Embodiment

Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.

Biological specimen separation and Culture device shown in figure, it comprises culture plate 1, culture plate pedestal 2 and dichotomous inoculator 3, culture plate 1 is by the bottom of two, the end being interconnected and can forming by separated culture dish 1.1, culture plate 1 vertically is placed on culture plate pedestal 2, culture dish 1.1 bottoms are provided with solid medium, and culture dish 1.1 upper and lower ends all have through hole 1.2, and culture dish 1.1 peristomes seal by transparent sealer.Be provided with the sample pool 2.1 be communicated with culture dish 1.1 lower end through holes in culture plate pedestal 2, culture plate pedestal 2 outer walls are provided with the sample entrance 2.2 be connected with sample pool 2.1.

Two inoculation arms 3.2 of dichotomous inoculator 3 stride across culture plate 1 both sides, through hole through culture dish 1.1 upper and lower ends inserts sample pool 2.1 successively, dichotomous inoculator 3 lower ends are provided with transfering loop, dichotomous inoculator 3 upper ends are provided with spherical operation handle arm 3.1, are convenient to grasp drive that dichotomous inoculator 3 carries out up and down, the motion of left and right.

During use, biological specimen is filled in sample pool 2.1 after certain pre-treatment, the transfering loop of dichotomous inoculator 3 lower ends first is inserted in sample pool 2.1 and is sampled, then two inoculation arms 3.2 of the motion of operation handle arm 3.1 drive are rule on substratum, reach the purpose of streak inoculation, can observe sample by the culture dish of transparent material simultaneously and cultivate situation, i.e. bacterial growth situation and bacterium zone of hemolysis etc.

Claims

1. a biological specimen separation and Culture device, it comprises culture plate (1), culture plate pedestal (2) and dichotomous inoculator (3), it is characterized in that: described culture plate (1) is by the bottom of two, the end being interconnected and can forming by separated culture dish (1.1), described culture plate (1) vertically is placed on culture plate pedestal (2), described culture dish (1.1) bottom is provided with solid medium, described culture dish (1.1) upper and lower ends all has through hole (1.2), be provided with the sample pool (2.1) be communicated with culture dish (1.1) lower end through hole in described culture plate pedestal (2), two inoculation arms (3.2) of described dichotomous inoculator (3) stride across culture plate (1) both sides, through hole through culture dish (1.1) upper and lower ends inserts sample pool (2.1) successively, described dichotomous inoculator (3) upper end is provided with operation handle arm (3.1), described dichotomous inoculator (3) lower end is provided with transfering loop.

2. biological specimen separation and Culture device according to claim 1, it is characterized in that: described culture plate pedestal (2) is provided with the sample entrance (2.2) be connected with sample pool (2.1).

3. biological specimen separation and Culture device according to claim 1 and 2 is characterized in that: described culture dish (1.1) is formed by connecting the end of at the bottom of by two culture dish that can separate, and two culture dish are all made of transparent material.