Patent ID: 6899106

Claim:
An apparatus for producing a hematoma, said apparatus comprising: a pressure bell having a wall, said wall defining an interior space, said pressure bell having a lip extending around a lower periphery of said wall of said pressure bell such that said lip of said pressure bell is designed for providing a substantially airtight seal against a skin of a user; a housing having a vacuum assembly within said housing, said vacuum housing being removably coupled to an insertion port of said pressure bell, said vacuum assembly being in fluid communication with said interior space of said pressure bell, said vacuum assembly for removing air within said interior space of said pressure bell such that said vacuum assembly creates a lower pressure area within said interior space of said pressure bell thereby drawing blood to a surface of the skin of the user; said housing having main portion and a interface portion being removably coupleable to said main portion of said housing, said interface portion of said housing being removably coupleable to said insertion port of said pressure bell; and said interface portion having a peripheral wall being for engaging said insertion port of said pressure bell, an annular ring extending outwardly from said peripheral wall of said interface portion such that said annular ring abuts an upper edge of said insertion port of said pressure bell.