Patent ID: 7828780

Claim:
A medical device adaptor, said medical device adaptor comprising: (a) a body, said body being provided with a first channel and a second channel, said first channel and said second channel being in fluid communication with one another, said first channel being adapted for fluid communication with a medical catheter, wherein said body is shaped to include an upper portion and a lower portion, said upper portion being disposed on top of said lower portion, said lower portion being generally cylindrical and being shaped to include a tube support, said tube support being insertable into the proximal end of the medical catheter, said tube support surrounding at least a portion of said first channel, said lower portion being further shaped to include lower and upper steps of increasing outer diameter on top of said tube support, said lower step being insertable into the proximal end of the medical catheter, said upper step being externally threaded with a helical thread; (b) a stem, said stem having a front end, a rear end, a side wall, a cavity extending rearwardly from said front end, and a hole in said side wall in fluid communication with said cavity, said stem being mounted within said second channel of said body and being rotatable between an open position in which said stem and said first channel are in fluid communication with one another via said hole and a closed position in which said stem and said first channel are not in fluid communication with one another, wherein the stem is mounted such that the stem is not longitudinally movable with respect to the body during use; and (c) a ring-shaped member for securing the medical catheter to said body, said ring-shaped member being insertable over the medical catheter and said body, with a first portion of said ring-shaped member in direct contact with the medical catheter and a second portion of said ring-shaped member in direct contact with said body, wherein said second portion of said ring-shaped member comprises a helical thread matingly engageable with said helical thread of said upper step for securing the medical catheter to said lower portion, said ring-shaped member further having a bore complementarily shaped to said upper step, said lower step and at least a portion of said tube support.