Flexible tube for intra-venous feeding
US4044765A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Dec 17, 1975 |
| Grant date | Aug 30, 1977 |
| Priority date | — |
| Expiry date | Dec 17, 1995 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M25/0012
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
The disclosure is that of an invention directed to a flexible tube for intra-venous feeding, the proximal end of which is permanently and leak-proofedly affixed to a connecting hub and the distal end of which comprises a hollow tip configured to closely but freely retain the distal portion of a removable puncture needle. A puncture needle is provided to effect initial insertion into a vein of an animate being; and a sight zone is provided in either or both of the flexible tube and the handle of the puncture needle for visual observation of liquid flow. There is also disclosed a method of internally coating the inner body of the tube and for externally sheathing the inner body by extrusion coating.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.