Systems and methods for liquid injection
US11771829B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Jan 31, 2020 |
| Grant date | Oct 3, 2023 |
| Priority date | — |
| Expiry date | Jul 29, 2042 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2210/1042
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Self-righting articles, such as self-righting capsules for administration to a subject, are generally provided. In some embodiments, the self-righting article may be configured such that the article may orient itself relative to a surface (e.g., a surface of a tissue of a subject). The self-righting articles described herein may comprise one or more tissue engaging surfaces configured to engage (e.g., interface with, inject into, anchor) with a surface (e.g., a surface of a tissue of a subject). In some embodiments, the self-righting article may have a particular shape and/or distribution of density (or mass) which, for example, enables the self-righting behavior of the article. In some embodiments, the self-righting article may comprise a tissue interfacing component and/or a pharmaceutical agent (e.g., for delivery of the active pharmaceutical agent to a location internal of the subject) such as a liquid pharmaceutical agent. In some cases, upon contact of the tissue with the tissue engaging surface of the article, the self-righting article may be configured to release one or more tissue interfacing components. In some cases, the tissue interfacing component is associated with a …
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.