Post-operative combination dressing and internal drain tube with external shield and tube connector
US4080970A · kind A · utility
Inventor
Key dates
| Filing date | Nov 17, 1976 |
| Grant date | Mar 28, 1978 |
| Priority date | — |
| Expiry date | Nov 17, 1996 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M27/00
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
The invention is a novel drainage tube system, to be used following surgery, where drainage is necessary. It comprises a protective shield of spherical segmental configuration, having a recessed flat surface on one side and a spherical surface on the other side. In a modification, the flat surface is omitted and the spherical segment is open. An internal drainage tube penetrates the shield and terminates externally thereof on the spherical side in tube connector means comprising a bulbous portion spaced from the spherical side of the shield and a threaded portion intermediate the bulbous portion and spherical side. This enables fluid-tight connection with the internal tube for the external drainage tube sufficient even for the application of a pump, if necessary, but admitting of ready removal for inspection or patient transfer. Gauze or other absorbent dressing material, conforming in configuration to the bottom side of the shield, includes a central opening to accommodate the internal tube and a split from the opening to the edge to facilitate dressing application and change. The dressing is held in place against the body by the shield, in turn taped firmly in place to anchor the…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.