Otoscope with ejectable ear speculum
US9498111B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 19, 2013 |
| Grant date | Nov 22, 2016 |
| Priority date | — |
| Expiry date | Jan 21, 2035 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B1/00142
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
The otoscope includes a mounting device (14) in which an ear speculum (16) is releasably attached, the ear speculum (16) including a conically tapering cone portion (20). The ear speculum (16) includes a substantially cylindrical base portion (24) being coaxial to the cone portion (20) and having a diameter which is larger than the largest diameter of the cone portion (20) and being connected through an intermediate wall portion (22) to the cone portion (20). At least one cutout (40) extending to the free edge of the base portion (24) is formed in the base portion (24) of the ear speculum (16). A resilient snap hook (26) is arranged in the cutout (40), the resilient snap hook (26) comprising a connecting leg (60), one end of which is connected to the base portion (24) in the proximity of the free edge and which substantially extends in circumferential direction of the base portion (24), and a holding leg (64) extending from the other end of the connecting leg (60) in the direction of the intermediate wall portion (22), wherein the inner side of the snap hook (26) protrudes into the cylinder space of the base portion (24).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.