Appeal No. 2000-0651 Application No. 09/024,732 their tips and ends (column 1, lines 8 through 18). However, notwithstanding the mentioning of the term “pig tail” as above, we do not perceive that one having ordinary skill in the art would have discerned from either the Sachse or the Carter documents a teaching of a bladder retention coil lying in a plane extending at a perpendicular angle (to) a longitudinal axis of a tubular drain body as now claimed, i.e., a bladder retention coil lying in a plane orthogonal to the longitudinal axis, consistent with the underlying disclosure of the present application. Claim 9 also requires a “unitary tubular stiffening 3 device” sufficiently rigid to render the bladder retention coil rectilinear and having an open distal end and an unobstructed internal lumen for permitting urine flow therethrough as a signal indicating that a distal end portion has been inserted into a patient’s urinary bladder. Akin to 3The word “unitary” relates to a unit, with a “unit” being a single quantity or an undivided whole. Webster’s New Collegiate Dictionary, G. & C. Merriam Company, Springfield, Massachusetts, 1979. This definition is consistent with the disclosure in appellant’s application of a single tube (tubular) stiffener 28. 6Page: Previous 1 2 3 4 5 6 7 8 NextLast modified: November 3, 2007