Aspiration of Urine can be obtained by catherization. This procedure is performed by using a sterile urinary catheter inserted into the urethra into the bladder where gravity will pull the urine into a collection device. There is another type of aspiration that can be done using a very long needle inserted via puncture into the bladder but this is more invasive & not the first choice.
Answer:
You should tell someone.
Explanation:
Seriously, tell someone. Either your mom, or a therapist, or a counselor, or even a teacher. That is unacceptable, and it needs to stop. I'm really sorry you are going through this. I hope my advice helps. Again, I'm so sorry you are going through this.
Also, if he ever even <em>tries</em> to hurt you physically, call the cops. This is completely unacceptable.
I'm pretty sure its called a compound fracture