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Medical manometer with flexible fluid collection tube

  • US 5,490,514 A
  • Filed: 11/03/1994
  • Issued: 02/13/1996
  • Est. Priority Date: 11/03/1994
  • Status: Expired due to Fees
First Claim
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1. A method of measuring spinal fluid pressure comprising the steps of:

  • a) inserting a needle into a patient'"'"'s epidural cavity, the needle being in fluid communication with a first end of a flexible, valveless tube, the flexible, valveless tube having a second end which is open to the air, the tube bearing graduation indicia along at least part of its length and having at least a portion of its circumference in the graduation-bearing region at least translucent,b) bending the tube so that a portion of the tube is in a vertical position with the open end pointing generally upward so that spinal fluid enters the tube and rises within it,c) reading the spinal pressure indication by visually comparing the level of fluid in the tube with the graduation indicia, andd) bending the tube to lower the open end of the tube so that the fluid drains out of the tube.

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