Device having a radiopaque marker for endoscopic accessories and method of making same
US5256158A · kind A · utility
75Cited by
10References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 17, 1991 |
| Grant date | Oct 26, 1993 |
| Priority date | — |
| Expiry date | May 17, 2011 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M25/0108
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A plastic catheter and a method for making the same, the catheter having radiopaque marker ring placed within a tube, whereby the radiopaque ring is inserted into the expanded section of the tube, followed by the relaxation of the tube to its original dimensions, such that there is no protusion of the ring on the tube inner-diameter, where the ring inner-diameter is equal or greater than the tube inner-diameter, and the ring outer-diameter protrudes a distance into the tube but not beyond the thickness of the tube; thereby, creating a smooth outer surface and an obstruction free inner surface.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.