Test device

A method of performing an identification testing or antimicrobial susceptibility of bacteria or fungi, including the steps of:

• culturing the bacteria or the fungi while holding the bacteria or the fungi in a microplate having a plurality of wells;
• performing predetermined image processing on a plurality of images obtained by performing microscopic observation of a state of culturing the bacteria or the fungi with time;
• generating, based on a result of the predetermined image processing, influence determination information showing influence given by a drug to the bacteria or the fungi, with respect to plural types of drugs and plural types of concentrations;
• displaying the influence determination information in a time series;
• determining whether the bacteria or the fungi proliferate or proliferation thereof is interrupted under a bacteria identification culture condition or a predetermined culture condition and determining whether the bacteria or the fungi proliferate or proliferation thereof is interrupted under plural concentration conditions with respect to a target drug, by comparing the plurality of images obtained by the microscopic observation with images accumulated in a database which stores images of the bacteria of fungi in a case where culture is performed with each type of drugs and each type of concentrations for each species of the bacteria or the fungi.

A method of performing an identification testing or antimicrobial susceptibility of bacteria or fungi, including the steps of:

• culturing the bacteria or the fungi while holding the bacteria or the fungi in a microplate having a plurality of wells;
• performing predetermined image processing on a plurality of images obtained by performing microscopic observation of a state of culturing the bacteria or the fungi with time;
• calculating, based on a result of the image processing, at least one feature value of a circularity, a perimeter length or a number of the bacteria or the fungi;
• and,
• displaying the feature value of the bacteria or the fungi on a display screen at each time set in advance.

A testing instrument which performs an identification testing or an antimicrobial susceptibility testing of bacteria or fungi, comprising:

• a microplate having a plurality of wells in which the bacteria or the fungi is held for culture;
• a microscopic observation optical system which performs microscopic observation of a state of culturing the bacteria or the fungi with time to obtain a plurality of images;
• a processor which performs on the plurality of images obtained by the microscopic observation at least one image processing of binarization processing, grey scale image processing, processing of calculating areas of the bacteria or the fungi, processing of calculating a number of the bacteria or the fungi, processing of calculating a circularity of the bacteria or the fungi, processing of calculating an aspect ratio of the bacteria or the fungi, or processing of calculating a perimeter length of the bacteria or the fungi, wherein the processor generates, based on a result of the image processing, influence determination information showing influence given by a drug to the bacteria or the fungi, with respect to plural types of drugs and plural types of concentrations;
• and,
• a display which displays the influence determination information in a time series.

A testing instrument which performs an identification testing or an antimicrobial susceptibility testing of bacteria or fungi, comprising:

• a microplate having a plurality of wells in which the bacteria or the fungi is held for culture;
• a processor which performs predetermined image processing on a plurality of images obtained by performing microscopic observation of a state of culturing the bacteria or the fungi with time, wherein the processor generates, based on a result of the predetermined image processing, influence determination information showing influence given by a drug to the bacteria or the fungi, with respect to plural types of drugs and plural types of concentrations;
• and,
• a display which displays the influence determination information in a time series;
• wherein the processor determines whether the bacteria or the fungi proliferate or proliferation thereof is interrupted under a bacteria identification culture condition or a predetermined culture condition and determining whether the bacteria or the fungi proliferate or proliferation thereof is interrupted under plural concentration conditions with respect to a target drug, by comparing the plurality of images obtained by the microscopic observation with images accumulated in a database which stores images of the bacteria of fungi in a case where culture is performed with each type of drugs and each type of concentrations for each species of the bacteria or the fungi.

A testing instrument which performs an identification testing or an antimicrobial susceptibility testing of bacteria or fungi, comprising:

• a microplate having a plurality of wells in which the bacteria or the fungi is held for culture;
• a processor which performs predetermined image processing on a plurality of images obtained by performing microscopic observation of a state of culturing the bacteria or the fungi with time, wherein the processor calculates, based on a result of the image processing, at least one feature value of a circularity, a perimeter length or a number of the bacteria or the fungi;
• and,
• a display which displays the feature value of the bacteria or the fungi on a display screen at each time set in advance, wherein the processor determines whether the bacteria or the fungi proliferate or proliferation thereof is interrupted under a bacteria identification culture condition or a predetermined culture condition and determining whether the bacteria or the fungi proliferate or proliferation thereof is interrupted under plural concentration conditions with respect to a target drug, by comparing the plurality of images obtained by the microscopic observation with images accumulated in a database which stores images of the bacteria of fungi in a case where culture is performed with each type of drugs and each type of concentrations for each species of the bacteria or the fungi.