Self locking closure for sealing percutaneous punctures
US5662681A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Apr 23, 1996 |
| Grant date | Sep 2, 1997 |
| Priority date | — |
| Expiry date | Apr 23, 2016 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B2017/00659
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A closure device for sealing a percutaneous puncture in the wall of a blood vessel, duct, or lumen of a living being. The puncture has opening in the wall of the blood vessel, duct, or lumen, and a tract contiguous therewith. The closure device is arranged to be inserted into the puncture by an introducing instrument and basically comprises an anchor, a collagen plug, a flexible filament, and locking disk. The anchor is arranged to be brought into engagement with the interior tissue of the vessel, duct, or lumen contiguous with the opening, while the plug and the locking disk are located within the tract. The filament is arranged to be pulled to apply tension thereto. While tension is applied to the filament the locking disk and the plug are moved in the tract toward the anchor. The filament comprises an engagement loop, a first extending portion, and a second extending portion. The engagement loop is coupled to the locking disk. The first extending portion of the filament extends through the plug between the anchor and the locking disk. The second extending portion of the filament extends through the plug from the anchor to the locking disk and through the engagement loop. The sec…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.