Surgical and pharmaceutical site access guide and methods
US6228049A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Sep 2, 1998 |
| Grant date | May 8, 2001 |
| Priority date | — |
| Expiry date | Sep 2, 2018 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2025/018
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An introducer guide 15 for introducing medical items into an internal tissue of a patient is provided. The guide 15 includes a cannula 20 defining a lumen sized to receive the item and a lateral opening 24. A ramp is disposed within the lumen adjacent and inclined toward the lateral opening 24. A hub 40' is attached to the second end 22 of the cannula 20. The hub 40' includes a gripping portion 41' configured to be held when inserting and positioning the introducer 15. The gripping portion 41' has a length l.sub.gp sufficient for gripping and a tactile indicator 44 disposed along substantially the entire length l.sub.gp of the gripping portion 41 on the hub 40'. The indicator 44 has a fixed angular relationship with the lateral opening 24. The invention also includes methods for obtaining a biopsy sample and methods for treating lesions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.