초록 ▼

A device and method for use in forming an access port, and also in forming a leakproof seal between a conduit (e.g., a catheter tube) and a thermoplastic film (e.g., the wall of an ostomy bag, wound cover pouch, or similar pouch). The device includes internal and external coupling rings adapted to b

A device and method for use in forming an access port, and also in forming a leakproof seal between a conduit (e.g., a catheter tube) and a thermoplastic film (e.g., the wall of an ostomy bag, wound cover pouch, or similar pouch). The device includes internal and external coupling rings adapted to be locked together with a collar of film material clamped therebetween. An elastomeric nipple has an enlarged proximal end portion similarly clamped between the coupling rings and contributes in forming fluid-tight seal between the parts. The method of use of the device is also disclosed, such method including the insertion of a piercing element into the opening of the internal ring to form a two-piece piercing assembly, followed by the step of utilizing that assembly to pierce a flexible plastic film and form a collar of plastic material about the outer surface of the internal ring.

대표청구항 ▼

An access port forming device comprising an internal support ring having a tubular side wall and an outwardly-projecting flange at one end thereof; said side wall being adapted to be extended through an opening in a wall of flexible, resilient, thermoplastic material with the wall material engaging

An access port forming device comprising an internal support ring having a tubular side wall and an outwardly-projecting flange at one end thereof; said side wall being adapted to be extended through an opening in a wall of flexible, resilient, thermoplastic material with the wall material engaging said flange and defining an axially-turned collar extending about said ring; a tubular nipple of elastomeric material having a proximal end dimensioned to fit about the side wall of the ring and having a reduced distal end; and an external locking ring adapted to extend about the side wall of said internal support ring to clamp said proximal end of said nipple and said collar therebetween; said external ring including locking means engagable with said flange for anchoring said internal and external rings together with said clamped proximal end of said nipple serving as a gasket between said internal and external rings.