Patent ID: 8177773

Claim:
A flexible filament controlled locking medical catheter comprising: a hollow flexible tube having a lumen, a flexible filament passing through the lumen, and at least one drainage or feeding hole in communication with the lumen; a restraining portion at the distal end of the flexible tube controlled by a free proximal control portion of the flexible filament; and a housing at the proximal end of the flexible tube, the housing having a lumen in fluid communication with the lumen of the flexible tube, the housing having a port opening in the sidewall of the housing and communicating with the housing lumen, a contour over the port, and an elastomeric cover in the contour, positioned against the port opening to present elastomeric material at the port opening; and a seal sleeve encircling the housing and positioned over the cover establishing an interface between the elastomeric cover and the seal sleeve, the flexible filament passing through the lumen of the tube, through the lumen of the housing, through the portion of the elastomeric cover positioned against the port, and through the interface, to present the proximal control portion of the flexible filament at the proximal end of the catheter.