Abstract: The invention relates to a catheter including a tubular part, a closure, a radially projecting part, and an operating handle. The tubular part has a proximal end and a distal end, at least one inlet opening at the proximal end and at least one outlet opening at the distal end. The closure is connected to the tubular part by a first hinge, with the closure extending beyond the first hinge. The radially projecting part projects from the tubular part. The operation handle is connected to the catheter by means of a second hinge at the end of the closure extension, and by means of a third hinge at the radially projecting part. The total length of the closure extension and the operation handle exceeds the rectilinear distance between the first and the third hinges. The catheter according to this invention provides a simple construction, which can be inserted and operated by one hand of the user and at a convenient site, not necessarily over a receptacle for urine or other bodily fluids.

Abstract: Device consisting of an auxiliary catheter (9), a fastening element (13), and a blocking device (11), designed in such a way that a partial catheter (2) can be mounted and secured at the end of the auxiliary catheter until the partial catheter has been placed in the desired position in a body cavity, especially the urethra, after which the partial catheter can be detached from the auxiliary catheter by manipulation of the blocking device and the fastening element, so that only the partial catheter is left in the desired position in the body cavity.