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Double tapered esophageal dilator

  • US 6,010,520 A
  • Filed: 05/01/1998
  • Issued: 01/04/2000
  • Est. Priority Date: 05/01/1998
  • Status: Expired due to Term
First Claim
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1. An esophageal dilator, comprising:

  • a. an elongate bougie made of PVC with a radiopaque compound added thereto with at least one end tapered radially outward from a tip of said bougie and thereafter either remaining constant or increasing in circumference at each point along the length of said bougie end, said one tapered end including;

    i. a first portion which tapers outward from a tip thereof to a first constant circumference;

    ii. said first constant circumference extending in a second portion of said bougie a first predetermined distance along said bougie;

    iii. a third portion which tapers outward from said first constant circumference to a second constant circumference; and

    iv. said second constant circumference extending in a fourth portion of said bougie a second predetermined distance along said bougie.

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