초록

Perforated tubing for surgical drainage applications and the like in which perforations are located in one or more grooves extending lengthwise of the tubing such that the sides of the grooves block access of tissue to the perforations and obturation of the tubing is prevented.

대표청구항 ▼

A sump drain including a length of perforated tubing, said perforated tubing including a elongated body defining a lumen with a clover leaf cross-section extending lengthwise in said body and open at the ends thereof, groove means located in said body, said groove means defining a groove, a reentran

A sump drain including a length of perforated tubing, said perforated tubing including a elongated body defining a lumen with a clover leaf cross-section extending lengthwise in said body and open at the ends thereof, groove means located in said body, said groove means defining a groove, a reentrant wall portion having juxtaposed sides defining a slot allowing said groove to communicate with the atmosphere and a bottom portion interconnecting said sides and separating said groove from said lumen, said groove having an interior chamber which is wider in the transverse direction than said slot, and drain means comprising a plurality of spaced perforations extending through said bottom portion allowing communication between said groove and a clover leaf of said lumen, closure means mounted at one end of said body for closing said lumen at said one end, and connector means mounted at the other end of said body adapted to be connected to a suction device.