Introducer assembly and instrument for use therewith
US5176648A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Dec 13, 1991 |
| Grant date | Jan 5, 1993 |
| Priority date | — |
| Expiry date | Dec 13, 2011 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B2017/3492
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
In an introducer assembly for introduction into a cavity of a patient having skin overlying the cavity and permitting the introduction of an instrument therethrough, and elongate tubular member having a flow passage extending therethrough and having proximal and distal extremities, a flange having top and bottom sides and having an inner margin with an opening therein through which the tubular member extends with the proximal extremity of the tubular member being disposed on the bottom side of the flange, releasable retaining means engaging the inner margin of the flange and the tubular member for forming a fluid-tight seal between the inner margin of the flange and the tubular member and permitting adjustment of the tubular member longitudinally in said opening, said valve means carried by the proximal extremity of the tubular member for inhibiting the flow of fluid through said flow passage from the distal extremity to the proximal extremity and permitting instruments to be inserted through the same while maintaining substantially fluid-tight seal and adhesive means secured to the bottom side of said flange for engaging the skin of the patient for retaining the flange in sealing …
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.