×

Speculum

  • US 5,509,893 A
  • Filed: 12/01/1993
  • Issued: 04/23/1996
  • Est. Priority Date: 06/06/1991
  • Status: Expired due to Fees
First Claim
Patent Images

1. A speculum comprising:

  • dilator means for insertion into a body cavity of a patient, said dilator means comprising at least two pivotal two blade members, each blade member being curved in a direction transverse to its length and having a rear terminating end which is provided with a substantially wedge shaped portion; and

    opening means being movable for opening said dilator means to dilate said body cavity, wherein said opening means is provided with arcuate portions which contact and bear against the substantially wedge shaped portions of said blade members when said opening means is moved in a first direction to cause said blade members to pivot such that said dilator means opens to dilate said body cavity.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×