go to the clinic and as soon as you enter, press the space button
you will find black footprint click on them then go ask the doctor
about them then he will tell you to recognize the cane after that
go to the wooden part on the wall then choose like this:
Select the 4th from left knob and place it on the right frame.
Take the third from left ebony stick and place it on the right frame.
Take the rightmost ring and place it on the right frame.
Take the fourth from left tip and place it on the right frame.
then go talk to the doctor again, then after you finish the conversation go out the clinic and go to the Solomonovitch
check the thing on the table then the rest after that is easy.