Replacement heart valve sizing device
US7007396B2 · kind B2 · utility
111Cited by
47References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 29, 2003 |
| Grant date | Mar 7, 2006 |
| Priority date | — |
| Expiry date | May 29, 2023 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B5/1076
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A heart valve sizing system featuring a lumen advanceable in vasculature, an inside caliper device at the distal end of the lumen, and a readout for reading the dimension gauged by the inside caliper device. In the preferred embodiment, the inside caliper device includes a four bar linkage with first and second opposing pivot points and third and fourth opposing pivot points and a push rod connected to the second pivot point for alternatively urging the third and fourth pivot points together when extended and urging the third and fourth pivot points apart when retracted to gauge the inside dimension of the vasculature.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.