I failed searching on Google technical details about how in-vitro fertilization is achieved. I'm referring to the toolset and its use, rather than the chemical or biological aspects of the process. I often watch on TV how a needle penetrates into a human egg to fertilize it with sperm, but provided that a human egg sizes about 100 microns, I come up with the following questions:
Do there really exist needles so thin to penetrate a 100 micron cell? In such case, how are these needles manipulated without breaking or losing them in the lab?
How do technicians manipulate the needle with such micrometric precision?
How do technicians keep the human egg still so they can break into it with the needle without pushing the egg away?
Not sure if these questions sound naive, but I haven't been able to find any simple answer to them on the Internet.