System for inner ear drug delivery via trans-round window membrane injection
US11771876B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 24, 2019 |
| Grant date | Oct 3, 2023 |
| Priority date | — |
| Expiry date | Sep 24, 2039 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2210/1064
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A system for the delivery of therapeutic substances to cavities of a patient. The system can include a handpiece tool coupled with a pump. The handpiece tool can include a shaft including a first portion of a channel coupled to a multi-input tubing. The handpiece tool can include an angled portion coupled with the shaft. The handpiece tool can include a second portion of the channel, wherein the angled portion positions a tip portion within a cavity, wherein the tip portion projects from the angled portion and includes an outlet and a third portion of the channel. The handpiece tool can include a collar a distance from the outlet, the collar configured to control a distance the tip portion projects. The handpiece tool can include a mixing chamber configured to receive the components of the drug and output the mixed drug via the third portion of the channel.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.