Patent · US Expired

Negative pressure therapy using wall suction

US7553306B1 · kind B1 · utility

279Cited by
106References
15Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 13, 1999
Grant dateJun 30, 2009
Priority date
Expiry dateOct 13, 2019

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61M2205/3389
  • WIPO fieldMedical technology
  • WIPO sectorInstruments

Abstract

Apparatus for applying negative pressure therapy to a wound site, which comprises an open celled foam pad for application to the wound, a suction tube connecting the foam pad to a collection canister having a shut-off valve which closes the outlet from the canister when it is full, a tube for connecting the canister to a wall suction point or to a vacuum bottle, and a pressure detecting device connected to the suction tube between the foam pad and the canister for indicating when the pressure in the suction tube falls below a predetermined level.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.