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Subcutaneous extractor

  • US 5,387,203 A
  • Filed: 06/28/1993
  • Issued: 02/07/1995
  • Est. Priority Date: 06/28/1993
  • Status: Expired due to Fees
First Claim
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1. A device for removing pus, blood and other materials from in and beneath the skin comprising:

  • (a) a housing of sufficient thickness and strength so that it does not collapse when a partial vacuum is created in the housing and has an opening at the bottom, and(b) a means for creating variable negative pressure in the housing, said means capable of creating negative pressure of sufficient strength to draw skin into the housing through the bottom opening(c) a piercing means fixedly secured within the housing with said piercing means recessed above the bottom opening of said vacuum chamber approximately in the center, said piercing means recessed from the bottom opening such that skin drawn into the housing can be pierced by a fine point or edge of the piercing means such that the skin is stretched to the extent that damage done to the skin by the piercing means is minimized whereby an operator of said device can place the bottom opening of said housing over skin which has material to be removed underneath and by controlling the negative pressure the operator can increase the vacuum pressure to draw the underlying skin into said housing where the skin is pierced by said piercing means and the material to be removed from beneath the skin is extracted into said housing.

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