Reinforced therapeutic tube
US4737153A · kind A · utility
218Cited by
2References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 4, 1987 |
| Grant date | Apr 12, 1988 |
| Priority date | — |
| Expiry date | Feb 4, 2007 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M16/0434
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A reinforced therapeutic tube which is excellent in kink resistance, pressure resistance and flexibility. The tube is made of an elastomeric material with a reinforcing material spirally embedded into the tube wall, and at least one of the tubular parts where no spiral reinforcing material exists. The tip end of the reinforcing material which is wound in spiral shape is bent parallel to the inside surface of the tube and inward of the tube for at least one or more pitches of the spiral, and at least the tip of the reinforcing material bent is buried into the inside wall of the tube.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.