This article is only available in the PDF format. Download the PDF to view the article, as well as its associated figures and tables.
Inability to void may be due to an obstruction somewhere in the urinary outlet or to muscular weakness of the bladder. In not a few instances, patients have come under my care who have undergone an operation for a supposed prostatic obstruction, whereas in reality the condition had been due to a partial paralysis of the bladder muscle. In order to aid the diagnosis in these obscure cases and to study the bladder function with more precision, I have devised an instrument, which is represented in the accompanying illustration.
DESCRIPTION OF INSTRUMENT
The instrument consists of a catheter (A), a two-way cock with three openings (B), a wide-mouthed 2-ounce bottle with rubber cork (C), an ordinanry blood pressure gage (D), and a piece of rubber tubing,(E) for the purpose of introducing fluid into the bladder or letting it out. Connections are made with rubber and
Walker G. APPARATUS TO AID IN DIFFERENTIATION BETWEEN AN OBSTRUCTION IN THE URINARY OUTLET AND PARALYSIS OF THE BLADDER. JAMA. 1921;77(4):286–287. doi:10.1001/jama.1921.92630290002014c
Coronavirus Resource Center
Customize your JAMA Network experience by selecting one or more topics from the list below.
Create a personal account or sign in to: