It's a small plastic object usually wrapped in copper wire that is inserted into the uterus.
(It; 's; a small plastic object usually wrapped in copper wire) (a small plastic object; wrapped; in copper wire; T:usually) (copper wire; is inserted; into the uterus)
It a small plastic object copper wire
's wrapped is inserted
a small plastic object usually wrapped in copper wire
in copper wire T:usually
into the uterus